[40742.021707]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.021877]  btrfs_commit_transaction+0x85e/0xad0
[40742.022046]  ? _raw_spin_unlock+0x29/0x40
[40742.022194]  ? btrfs_block_rsv_release+0x1c2/0x1e0
[40742.022354]  create_subvol+0x567/0x9a0
[40742.022503]  btrfs_mksubvol+0x447/0x4c0
[40742.022654]  ? preempt_count_add+0x49/0xa0
[40742.022803]  __btrfs_ioctl_snap_create+0x123/0x190
[40742.022960]  ? _copy_from_user+0x65/0xa0
[40742.023119]  btrfs_ioctl_snap_create_v2+0xbb/0x140
[40742.023282]  btrfs_ioctl+0x105/0x3160
[40742.023423]  ? rcu_read_lock_sched_held+0x12/0x60
[40742.023584]  ? slab_free_freelist_hook.constprop.0+0x5e/0x130
[40742.023766]  ? do_sys_openat2+0x5e/0x140
[40742.023912]  ? kmem_cache_free+0x111/0x510
[40742.024067]  ? __x64_sys_ioctl+0x80/0xb0
[40742.024215]  __x64_sys_ioctl+0x80/0xb0
[40742.024360]  do_syscall_64+0x38/0x90
[40742.024499]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[40742.024663] RIP: 0033:0x7f71f777d4cb
[40742.024805] Code: 89 d8 49 8d 3c 1c 48 f7 d8 49 39 c4 72 b5 e8 1c ff ff ff 85 c0 78 ba 4c 89 e0 5b 5d 41 5c c3 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 7d b9 0c 00 f7 d8 64 89 01 48
[40742.025281] RSP: 002b:00007ffd67cc6a28 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
[40742.025520] RAX: ffffffffffffffda RBX: 00007ffd67cc7a70 RCX: 00007f71f777d4cb
[40742.025720] RDX: 00007ffd67cc6a30 RSI: 0000000050009418 RDI: 0000000000000003
[40742.025919] RBP: 0000000000000003 R08: 0000000000000000 R09: 00007ffd67cc85b6
[40742.026124] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[40742.026323] R13: 00007ffd67cc6a30 R14: 00000000004063d0 R15: 00007f71f76826c8
[40742.026525]  
[40742.026640] irq event stamp: 0
[40742.026772] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[40742.026957] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[40742.027220] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[40742.027472] softirqs last disabled at (0): [<0000000000000000>] 0x0
[40742.027660] ---[ end trace 67ed10e28bfe28a0 ]---
[40742.028818] ------------[ cut here ]------------
[40742.028975] WARNING: CPU: 1 PID: 186904 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[40742.029281] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat ip_set rfkill nf_tables nfnetlink intel_rapl_msr iTCO_wdt iTCO_vendor_support snd_hda_codec_generic intel_rapl_common snd_hda_intel snd_intel_dspcfg joydev snd_hda_codec snd_hwdep snd_hda_core i2c_i801 i2c_smbus snd_pcm snd_timer lpc_ich snd soundcore virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[40742.030681] CPU: 1 PID: 186904 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #536
[40742.030940] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[40742.031205] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[40742.031381] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 60 48 8b 05 58 b5 85 01 e8
[40742.031852] RSP: 0018:ffffbf55c6daf988 EFLAGS: 00010202
[40742.032024] RAX: 000000000000000d RBX: ffff9dab8d0da800 RCX: 0000000000000000
[40742.032220] RDX: 0000000000000001 RSI: ffffffff9f5b5d6a RDI: 00000000ffffffff
[40742.032415] RBP: 0000000000000000 R08: ffff9dabaeac4f98 R09: 0000000000000000
[40742.032612] R10: ffff9dab95ea4690 R11: 0000000000001fb5 R12: ffff9dab95ea4cb0
[40742.032817] R13: ffff9dab9fc8eae0 R14: ffff9dabaeac4ea0 R15: ffff9dabaeac4f48
[40742.033023] FS:  00007f71f7682740(0000) GS:ffff9dabfbd00000(0000) knlGS:0000000000000000
[40742.033277] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[40742.033449] CR2: 00007fe6fd92e0d0 CR3: 000000012f7d6004 CR4: 0000000000370ee0
[40742.033649] Call Trace:
[40742.033768]  
[40742.033887]  btrfs_run_delayed_refs+0x86/0x210
[40742.034049]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.034208]  btrfs_start_dirty_block_groups+0x2af/0x540
[40742.034378]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.034539]  btrfs_commit_transaction+0x85e/0xad0
[40742.034700]  ? _raw_spin_unlock+0x29/0x40
[40742.034845]  ? btrfs_block_rsv_release+0x1c2/0x1e0
[40742.035015]  create_subvol+0x567/0x9a0
[40742.035165]  btrfs_mksubvol+0x447/0x4c0
[40742.035308]  ? preempt_count_add+0x49/0xa0
[40742.035456]  __btrfs_ioctl_snap_create+0x123/0x190
[40742.035620]  ? _copy_from_user+0x65/0xa0
[40742.035771]  btrfs_ioctl_snap_create_v2+0xbb/0x140
[40742.035930]  btrfs_ioctl+0x105/0x3160
[40742.036078]  ? rcu_read_lock_sched_held+0x12/0x60
[40742.036242]  ? slab_free_freelist_hook.constprop.0+0x5e/0x130
[40742.036420]  ? do_sys_openat2+0x5e/0x140
[40742.036564]  ? kmem_cache_free+0x111/0x510
[40742.036715]  ? __x64_sys_ioctl+0x80/0xb0
[40742.036863]  __x64_sys_ioctl+0x80/0xb0
[40742.037017]  do_syscall_64+0x38/0x90
[40742.037159]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[40742.037321] RIP: 0033:0x7f71f777d4cb
[40742.037463] Code: 89 d8 49 8d 3c 1c 48 f7 d8 49 39 c4 72 b5 e8 1c ff ff ff 85 c0 78 ba 4c 89 e0 5b 5d 41 5c c3 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 7d b9 0c 00 f7 d8 64 89 01 48
[40742.037924] RSP: 002b:00007ffd67cc6a28 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
[40742.038174] RAX: ffffffffffffffda RBX: 00007ffd67cc7a70 RCX: 00007f71f777d4cb
[40742.038375] RDX: 00007ffd67cc6a30 RSI: 0000000050009418 RDI: 0000000000000003
[40742.038571] RBP: 0000000000000003 R08: 0000000000000000 R09: 00007ffd67cc85b6
[40742.038771] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[40742.038964] R13: 00007ffd67cc6a30 R14: 00000000004063d0 R15: 00007f71f76826c8
[40742.039172]  
[40742.039287] irq event stamp: 0
[40742.039417] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[40742.039602] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[40742.039858] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[40742.040120] softirqs last disabled at (0): [<0000000000000000>] 0x0
[40742.040303] ---[ end trace 67ed10e28bfe28a1 ]---
[40742.041521] ------------[ cut here ]------------
[40742.041686] WARNING: CPU: 1 PID: 186904 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[40742.041971] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat ip_set rfkill nf_tables nfnetlink intel_rapl_msr iTCO_wdt iTCO_vendor_support snd_hda_codec_generic intel_rapl_common snd_hda_intel snd_intel_dspcfg joydev snd_hda_codec snd_hwdep snd_hda_core i2c_i801 i2c_smbus snd_pcm snd_timer lpc_ich snd soundcore virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[40742.043386] CPU: 1 PID: 186904 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #536
[40742.043649] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[40742.043902] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[40742.044085] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 60 48 8b 05 58 b5 85 01 e8
[40742.050849] RSP: 0018:ffffbf55c6daf988 EFLAGS: 00010202
[40742.051032] RAX: 000000000000000d RBX: ffff9dab8d0da800 RCX: 0000000000000000
[40742.051229] RDX: 0000000000000001 RSI: ffffffff9f5b5d6a RDI: 00000000ffffffff
[40742.051426] RBP: 0000000000000000 R08: ffff9dabaeac4f98 R09: 0000000000000000
[40742.051618] R10: ffff9dab95ea4a80 R11: 0000000000001f98 R12: ffff9dab95ea44d0
[40742.051827] R13: ffff9dab9fc8eae0 R14: ffff9dabaeac4ea0 R15: ffff9dabaeac4f48
[40742.052029] FS:  00007f71f7682740(0000) GS:ffff9dabfbd00000(0000) knlGS:0000000000000000
[40742.052279] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[40742.052453] CR2: 00007fe6fd7a7000 CR3: 000000012f7d6004 CR4: 0000000000370ee0
[40742.052656] Call Trace:
[40742.052777]  
[40742.052894]  btrfs_run_delayed_refs+0x86/0x210
[40742.053058]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.053218]  btrfs_start_dirty_block_groups+0x2af/0x540
[40742.053383]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.053541]  btrfs_commit_transaction+0x85e/0xad0
[40742.053703]  ? _raw_spin_unlock+0x29/0x40
[40742.053852]  ? btrfs_block_rsv_release+0x1c2/0x1e0
[40742.054019]  create_subvol+0x567/0x9a0
[40742.054165]  btrfs_mksubvol+0x447/0x4c0
[40742.054310]  ? preempt_count_add+0x49/0xa0
[40742.054460]  __btrfs_ioctl_snap_create+0x123/0x190
[40742.054618]  ? _copy_from_user+0x65/0xa0
[40742.054767]  btrfs_ioctl_snap_create_v2+0xbb/0x140
[40742.054928]  btrfs_ioctl+0x105/0x3160
[40742.055082]  ? rcu_read_lock_sched_held+0x12/0x60
[40742.055243]  ? slab_free_freelist_hook.constprop.0+0x5e/0x130
[40742.055415]  ? do_sys_openat2+0x5e/0x140
[40742.055562]  ? kmem_cache_free+0x111/0x510
[40742.055717]  ? __x64_sys_ioctl+0x80/0xb0
[40742.055860]  __x64_sys_ioctl+0x80/0xb0
[40742.056009]  do_syscall_64+0x38/0x90
[40742.056151]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[40742.056313] RIP: 0033:0x7f71f777d4cb
[40742.056451] Code: 89 d8 49 8d 3c 1c 48 f7 d8 49 39 c4 72 b5 e8 1c ff ff ff 85 c0 78 ba 4c 89 e0 5b 5d 41 5c c3 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 7d b9 0c 00 f7 d8 64 89 01 48
[40742.056918] RSP: 002b:00007ffd67cc6a28 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
[40742.057168] RAX: ffffffffffffffda RBX: 00007ffd67cc7a70 RCX: 00007f71f777d4cb
[40742.057365] RDX: 00007ffd67cc6a30 RSI: 0000000050009418 RDI: 0000000000000003
[40742.057561] RBP: 0000000000000003 R08: 0000000000000000 R09: 00007ffd67cc85b6
[40742.057763] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[40742.057960] R13: 00007ffd67cc6a30 R14: 00000000004063d0 R15: 00007f71f76826c8
[40742.058170]  
[40742.058288] irq event stamp: 0
[40742.058415] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[40742.058599] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[40742.058858] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[40742.059119] softirqs last disabled at (0): [<0000000000000000>] 0x0
[40742.059303] ---[ end trace 67ed10e28bfe28a2 ]---
[40742.060598] ------------[ cut here ]------------
[40742.060762] WARNING: CPU: 1 PID: 186904 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[40742.061060] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat ip_set rfkill nf_tables nfnetlink intel_rapl_msr iTCO_wdt iTCO_vendor_support snd_hda_codec_generic intel_rapl_common snd_hda_intel snd_intel_dspcfg joydev snd_hda_codec snd_hwdep snd_hda_core i2c_i801 i2c_smbus snd_pcm snd_timer lpc_ich snd soundcore virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[40742.062463] CPU: 1 PID: 186904 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #536
[40742.062718] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[40742.062977] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[40742.063156] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 60 48 8b 05 58 b5 85 01 e8
[40742.063622] RSP: 0018:ffffbf55c6daf988 EFLAGS: 00010202
[40742.063794] RAX: 000000000000000d RBX: ffff9dab8d0da800 RCX: 0000000000000000
[40742.063995] RDX: 0000000000000001 RSI: ffffffff9f5b5d6a RDI: 00000000ffffffff
[40742.064193] RBP: 0000000000000000 R08: ffff9dabaeac4f98 R09: 0000000000000000
[40742.064387] R10: ffff9dab95ea43f0 R11: 0000000000001f7b R12: ffff9dab95ea4e70
[40742.064581] R13: ffff9dab9fc8eae0 R14: ffff9dabaeac4ea0 R15: ffff9dabaeac4f48
[40742.064777] FS:  00007f71f7682740(0000) GS:ffff9dabfbd00000(0000) knlGS:0000000000000000
[40742.065033] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[40742.065209] CR2: 00007fe6feb4b3b0 CR3: 000000012f7d6004 CR4: 0000000000370ee0
[40742.065406] Call Trace:
[40742.065525]  
[40742.065648]  btrfs_run_delayed_refs+0x86/0x210
[40742.065802]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.065961]  btrfs_start_dirty_block_groups+0x2af/0x540
[40742.066135]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.066297]  btrfs_commit_transaction+0x85e/0xad0
[40742.066456]  ? _raw_spin_unlock+0x29/0x40
[40742.066601]  ? btrfs_block_rsv_release+0x1c2/0x1e0
[40742.066762]  create_subvol+0x567/0x9a0
[40742.066910]  btrfs_mksubvol+0x447/0x4c0
[40742.067064]  ? preempt_count_add+0x49/0xa0
[40742.067212]  __btrfs_ioctl_snap_create+0x123/0x190
[40742.067372]  ? _copy_from_user+0x65/0xa0
[40742.067535]  btrfs_ioctl_snap_create_v2+0xbb/0x140
[40742.067701]  btrfs_ioctl+0x105/0x3160
[40742.067841]  ? rcu_read_lock_sched_held+0x12/0x60
[40742.068009]  ? slab_free_freelist_hook.constprop.0+0x5e/0x130
[40742.068188]  ? do_sys_openat2+0x5e/0x140
[40742.068337]  ? kmem_cache_free+0x111/0x510
[40742.068486]  ? __x64_sys_ioctl+0x80/0xb0
[40742.068630]  __x64_sys_ioctl+0x80/0xb0
[40742.068775]  do_syscall_64+0x38/0x90
[40742.068916]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[40742.069086] RIP: 0033:0x7f71f777d4cb
[40742.069225] Code: 89 d8 49 8d 3c 1c 48 f7 d8 49 39 c4 72 b5 e8 1c ff ff ff 85 c0 78 ba 4c 89 e0 5b 5d 41 5c c3 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 7d b9 0c 00 f7 d8 64 89 01 48
[40742.069691] RSP: 002b:00007ffd67cc6a28 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
[40742.069927] RAX: ffffffffffffffda RBX: 00007ffd67cc7a70 RCX: 00007f71f777d4cb
[40742.070134] RDX: 00007ffd67cc6a30 RSI: 0000000050009418 RDI: 0000000000000003
[40742.070331] RBP: 0000000000000003 R08: 0000000000000000 R09: 00007ffd67cc85b6
[40742.070528] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[40742.070726] R13: 00007ffd67cc6a30 R14: 00000000004063d0 R15: 00007f71f76826c8
[40742.070925]  
[40742.071049] irq event stamp: 0
[40742.071177] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[40742.071364] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[40742.071621] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[40742.071870] softirqs last disabled at (0): [<0000000000000000>] 0x0
[40742.072062] ---[ end trace 67ed10e28bfe28a3 ]---
[40742.073265] ------------[ cut here ]------------
[40742.073427] WARNING: CPU: 1 PID: 186904 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[40742.073714] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat ip_set rfkill nf_tables nfnetlink intel_rapl_msr iTCO_wdt iTCO_vendor_support snd_hda_codec_generic intel_rapl_common snd_hda_intel snd_intel_dspcfg joydev snd_hda_codec snd_hwdep snd_hda_core i2c_i801 i2c_smbus snd_pcm snd_timer lpc_ich snd soundcore virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[40742.075120] CPU: 1 PID: 186904 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #536
[40742.075380] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[40742.075633] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[40742.076545] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 60 48 8b 05 58 b5 85 01 e8
[40742.077029] RSP: 0018:ffffbf55c6daf988 EFLAGS: 00010202
[40742.077196] RAX: 000000000000000d RBX: ffff9dab8d0da800 RCX: 0000000000000000
[40742.077392] RDX: 0000000000000001 RSI: ffffffff9f5b5d6a RDI: 00000000ffffffff
[40742.077586] RBP: 0000000000000000 R08: ffff9dabaeac4f98 R09: 0000000000000000
[40742.077785] R10: ffff9dab95ea4e70 R11: 0000000000001f5e R12: ffff9dab95ea47e0
[40742.077977] R13: ffff9dab9fc8eae0 R14: ffff9dabaeac4ea0 R15: ffff9dabaeac4f48
[40742.078187] FS:  00007f71f7682740(0000) GS:ffff9dabfbd00000(0000) knlGS:0000000000000000
[40742.078441] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[40742.078615] CR2: 00007fe6fdb945d0 CR3: 000000012f7d6004 CR4: 0000000000370ee0
[40742.078813] Call Trace:
[40742.078933]  
[40742.079063]  btrfs_run_delayed_refs+0x86/0x210
[40742.079217]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.079376]  btrfs_start_dirty_block_groups+0x2af/0x540
[40742.079546]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.079709]  btrfs_commit_transaction+0x85e/0xad0
[40742.079866]  ? _raw_spin_unlock+0x29/0x40
[40742.080021]  ? btrfs_block_rsv_release+0x1c2/0x1e0
[40742.080185]  create_subvol+0x567/0x9a0
[40742.080333]  btrfs_mksubvol+0x447/0x4c0
[40742.080476]  ? preempt_count_add+0x49/0xa0
[40742.080625]  __btrfs_ioctl_snap_create+0x123/0x190
[40742.080790]  ? _copy_from_user+0x65/0xa0
[40742.080939]  btrfs_ioctl_snap_create_v2+0xbb/0x140
[40742.081106]  btrfs_ioctl+0x105/0x3160
[40742.081247]  ? rcu_read_lock_sched_held+0x12/0x60
[40742.081408]  ? slab_free_freelist_hook.constprop.0+0x5e/0x130
[40742.081586]  ? do_sys_openat2+0x5e/0x140
[40742.081735]  ? kmem_cache_free+0x111/0x510
[40742.081892]  ? __x64_sys_ioctl+0x80/0xb0
[40742.087527]  __x64_sys_ioctl+0x80/0xb0
[40742.087674]  do_syscall_64+0x38/0x90
[40742.087817]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[40742.087990] RIP: 0033:0x7f71f777d4cb
[40742.088131] Code: 89 d8 49 8d 3c 1c 48 f7 d8 49 39 c4 72 b5 e8 1c ff ff ff 85 c0 78 ba 4c 89 e0 5b 5d 41 5c c3 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 7d b9 0c 00 f7 d8 64 89 01 48
[40742.088588] RSP: 002b:00007ffd67cc6a28 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
[40742.088832] RAX: ffffffffffffffda RBX: 00007ffd67cc7a70 RCX: 00007f71f777d4cb
[40742.089036] RDX: 00007ffd67cc6a30 RSI: 0000000050009418 RDI: 0000000000000003
[40742.089233] RBP: 0000000000000003 R08: 0000000000000000 R09: 00007ffd67cc85b6
[40742.089429] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[40742.089624] R13: 00007ffd67cc6a30 R14: 00000000004063d0 R15: 00007f71f76826c8
[40742.089825]  
[40742.089942] irq event stamp: 0
[40742.090083] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[40742.090266] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[40742.090516] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[40742.090776] softirqs last disabled at (0): [<0000000000000000>] 0x0
[40742.090958] ---[ end trace 67ed10e28bfe28a4 ]---
[40742.092188] ------------[ cut here ]------------
[40742.092354] WARNING: CPU: 1 PID: 186904 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[40742.092630] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat ip_set rfkill nf_tables nfnetlink intel_rapl_msr iTCO_wdt iTCO_vendor_support snd_hda_codec_generic intel_rapl_common snd_hda_intel snd_intel_dspcfg joydev snd_hda_codec snd_hwdep snd_hda_core i2c_i801 i2c_smbus snd_pcm snd_timer lpc_ich snd soundcore virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[40742.094062] CPU: 1 PID: 186904 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #536
[40742.094315] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[40742.094574] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[40742.094750] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 60 48 8b 05 58 b5 85 01 e8
[40742.095216] RSP: 0018:ffffbf55c6daf988 EFLAGS: 00010202
[40742.095385] RAX: 000000000000000d RBX: ffff9dab8d0da800 RCX: 0000000000000000
[40742.095583] RDX: 0000000000000001 RSI: ffffffff9f5b5d6a RDI: 00000000ffffffff
[40742.095785] RBP: 0000000000000000 R08: ffff9dabaeac4f98 R09: 0000000000000000
[40742.095991] R10: ffff9dab95ea47e0 R11: 0000000000001f41 R12: ffff9dab95ea43f0
[40742.096185] R13: ffff9dab9fc8eae0 R14: ffff9dabaeac4ea0 R15: ffff9dabaeac4f48
[40742.096381] FS:  00007f71f7682740(0000) GS:ffff9dabfbd00000(0000) knlGS:0000000000000000
[40742.096627] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[40742.096804] CR2: 00007fe6fd7b4000 CR3: 000000012f7d6004 CR4: 0000000000370ee0
[40742.097016] Call Trace:
[40742.097139]  
[40742.097255]  btrfs_run_delayed_refs+0x86/0x210
[40742.097411]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.097571]  btrfs_start_dirty_block_groups+0x2af/0x540
[40742.097743]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.097899]  btrfs_commit_transaction+0x85e/0xad0
[40742.098069]  ? _raw_spin_unlock+0x29/0x40
[40742.098219]  ? btrfs_block_rsv_release+0x1c2/0x1e0
[40742.098378]  create_subvol+0x567/0x9a0
[40742.098523]  btrfs_mksubvol+0x447/0x4c0
[40742.098674]  ? preempt_count_add+0x49/0xa0
[40742.098826]  __btrfs_ioctl_snap_create+0x123/0x190
[40742.098993]  ? _copy_from_user+0x65/0xa0
[40742.099141]  btrfs_ioctl_snap_create_v2+0xbb/0x140
[40742.099302]  btrfs_ioctl+0x105/0x3160
[40742.099446]  ? rcu_read_lock_sched_held+0x12/0x60
[40742.099604]  ? slab_free_freelist_hook.constprop.0+0x5e/0x130
[40742.099783]  ? do_sys_openat2+0x5e/0x140
[40742.099931]  ? kmem_cache_free+0x111/0x510
[40742.100090]  ? __x64_sys_ioctl+0x80/0xb0
[40742.100235]  __x64_sys_ioctl+0x80/0xb0
[40742.100376]  do_syscall_64+0x38/0x90
[40742.100517]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[40742.100685] RIP: 0033:0x7f71f777d4cb
[40742.100823] Code: 89 d8 49 8d 3c 1c 48 f7 d8 49 39 c4 72 b5 e8 1c ff ff ff 85 c0 78 ba 4c 89 e0 5b 5d 41 5c c3 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 7d b9 0c 00 f7 d8 64 89 01 48
[40742.101298] RSP: 002b:00007ffd67cc6a28 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
[40742.101540] RAX: ffffffffffffffda RBX: 00007ffd67cc7a70 RCX: 00007f71f777d4cb
[40742.101739] RDX: 00007ffd67cc6a30 RSI: 0000000050009418 RDI: 0000000000000003
[40742.101935] RBP: 0000000000000003 R08: 0000000000000000 R09: 00007ffd67cc85b6
[40742.102140] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[40742.102340] R13: 00007ffd67cc6a30 R14: 00000000004063d0 R15: 00007f71f76826c8
[40742.102540]  
[40742.102660] irq event stamp: 0
[40742.102789] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[40742.102970] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[40742.103233] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[40742.103486] softirqs last disabled at (0): [<0000000000000000>] 0x0
[40742.103673] ---[ end trace 67ed10e28bfe28a5 ]---
[40742.104828] ------------[ cut here ]------------
[40742.105025] WARNING: CPU: 1 PID: 186904 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[40742.105306] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat ip_set rfkill nf_tables nfnetlink intel_rapl_msr iTCO_wdt iTCO_vendor_support snd_hda_codec_generic intel_rapl_common snd_hda_intel snd_intel_dspcfg joydev snd_hda_codec snd_hwdep snd_hda_core i2c_i801 i2c_smbus snd_pcm snd_timer lpc_ich snd soundcore virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[40742.107427] CPU: 1 PID: 186904 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #536
[40742.107682] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[40742.107942] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[40742.108122] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 60 48 8b 05 58 b5 85 01 e8
[40742.108591] RSP: 0018:ffffbf55c6daf988 EFLAGS: 00010202
[40742.108760] RAX: 000000000000000d RBX: ffff9dab8d0da800 RCX: 0000000000000000
[40742.108954] RDX: 0000000000000001 RSI: ffffffff9f5b5d6a RDI: 00000000ffffffff
[40742.109158] RBP: 0000000000000000 R08: ffff9dabaeac4f98 R09: 0000000000000000
[40742.109353] R10: ffff9dab95ea43f0 R11: 0000000000001f24 R12: ffff9dab95ea4540
[40742.109548] R13: ffff9dab9fc8eae0 R14: ffff9dabaeac4ea0 R15: ffff9dabaeac4f48
[40742.109745] FS:  00007f71f7682740(0000) GS:ffff9dabfbd00000(0000) knlGS:0000000000000000
[40742.110002] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[40742.110178] CR2: 00007fe6fd650030 CR3: 000000012f7d6004 CR4: 0000000000370ee0
[40742.110376] Call Trace:
[40742.110494]  
[40742.110611]  btrfs_run_delayed_refs+0x86/0x210
[40742.110770]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.110929]  btrfs_start_dirty_block_groups+0x2af/0x540
[40742.111104]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.111266]  btrfs_commit_transaction+0x85e/0xad0
[40742.111424]  ? _raw_spin_unlock+0x29/0x40
[40742.111570]  ? btrfs_block_rsv_release+0x1c2/0x1e0
[40742.111733]  create_subvol+0x567/0x9a0
[40742.111887]  btrfs_mksubvol+0x447/0x4c0
[40742.112043]  ? preempt_count_add+0x49/0xa0
[40742.112191]  __btrfs_ioctl_snap_create+0x123/0x190
[40742.112350]  ? _copy_from_user+0x65/0xa0
[40742.112497]  btrfs_ioctl_snap_create_v2+0xbb/0x140
[40742.112662]  btrfs_ioctl+0x105/0x3160
[40742.112802]  ? rcu_read_lock_sched_held+0x12/0x60
[40742.112960]  ? slab_free_freelist_hook.constprop.0+0x5e/0x130
[40742.113145]  ? do_sys_openat2+0x5e/0x140
[40742.113294]  ? kmem_cache_free+0x111/0x510
[40742.113444]  ? __x64_sys_ioctl+0x80/0xb0
[40742.113587]  __x64_sys_ioctl+0x80/0xb0
[40742.113734]  do_syscall_64+0x38/0x90
[40742.113875]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[40742.114045] RIP: 0033:0x7f71f777d4cb
[40742.114185] Code: 89 d8 49 8d 3c 1c 48 f7 d8 49 39 c4 72 b5 e8 1c ff ff ff 85 c0 78 ba 4c 89 e0 5b 5d 41 5c c3 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 7d b9 0c 00 f7 d8 64 89 01 48
[40742.114656] RSP: 002b:00007ffd67cc6a28 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
[40742.114896] RAX: ffffffffffffffda RBX: 00007ffd67cc7a70 RCX: 00007f71f777d4cb
[40742.115104] RDX: 00007ffd67cc6a30 RSI: 0000000050009418 RDI: 0000000000000003
[40742.115301] RBP: 0000000000000003 R08: 0000000000000000 R09: 00007ffd67cc85b6
[40742.115499] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[40742.115698] R13: 00007ffd67cc6a30 R14: 00000000004063d0 R15: 00007f71f76826c8
[40742.115898]  
[40742.116022] irq event stamp: 0
[40742.116152] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[40742.116335] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[40742.116590] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[40742.116841] softirqs last disabled at (0): [<0000000000000000>] 0x0
[40742.117033] ---[ end trace 67ed10e28bfe28a6 ]---
[40742.118265] ------------[ cut here ]------------
[40742.118425] WARNING: CPU: 1 PID: 186904 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[40742.118708] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat ip_set rfkill nf_tables nfnetlink intel_rapl_msr iTCO_wdt iTCO_vendor_support snd_hda_codec_generic intel_rapl_common snd_hda_intel snd_intel_dspcfg joydev snd_hda_codec snd_hwdep snd_hda_core i2c_i801 i2c_smbus snd_pcm snd_timer lpc_ich snd soundcore virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[40742.125619] CPU: 1 PID: 186904 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #536
[40742.125878] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[40742.126145] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[40742.126327] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 60 48 8b 05 58 b5 85 01 e8
[40742.126788] RSP: 0018:ffffbf55c6daf988 EFLAGS: 00010202
[40742.126954] RAX: 000000000000000d RBX: ffff9dab8d0da800 RCX: 0000000000000000
[40742.127160] RDX: 0000000000000001 RSI: ffffffff9f5b5d6a RDI: 00000000ffffffff
[40742.127361] RBP: 0000000000000000 R08: ffff9dabaeac4f98 R09: 0000000000000000
[40742.127557] R10: ffff9dab95ea4540 R11: 0000000000001f7b R12: ffff9dab95ea4a80
[40742.127759] R13: ffff9dab9fc8eae0 R14: ffff9dabaeac4ea0 R15: ffff9dabaeac4f48
[40742.127955] FS:  00007f71f7682740(0000) GS:ffff9dabfbd00000(0000) knlGS:0000000000000000
[40742.128217] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[40742.128393] CR2: 00007fe6fd7bd000 CR3: 000000012f7d6004 CR4: 0000000000370ee0
[40742.128594] Call Trace:
[40742.128716]  
[40742.128833]  btrfs_run_delayed_refs+0x86/0x210
[40742.128995]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.129159]  btrfs_start_dirty_block_groups+0x2af/0x540
[40742.129328]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.129486]  btrfs_commit_transaction+0x85e/0xad0
[40742.129648]  ? _raw_spin_unlock+0x29/0x40
[40742.129796]  ? btrfs_block_rsv_release+0x1c2/0x1e0
[40742.129958]  create_subvol+0x567/0x9a0
[40742.130112]  btrfs_mksubvol+0x447/0x4c0
[40742.130255]  ? preempt_count_add+0x49/0xa0
[40742.130404]  __btrfs_ioctl_snap_create+0x123/0x190
[40742.130565]  ? _copy_from_user+0x65/0xa0
[40742.130713]  btrfs_ioctl_snap_create_v2+0xbb/0x140
[40742.130871]  btrfs_ioctl+0x105/0x3160
[40742.131023]  ? rcu_read_lock_sched_held+0x12/0x60
[40742.131185]  ? slab_free_freelist_hook.constprop.0+0x5e/0x130
[40742.131359]  ? do_sys_openat2+0x5e/0x140
[40742.131504]  ? kmem_cache_free+0x111/0x510
[40742.131657]  ? __x64_sys_ioctl+0x80/0xb0
[40742.131803]  __x64_sys_ioctl+0x80/0xb0
[40742.131945]  do_syscall_64+0x38/0x90
[40742.132092]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[40742.132257] RIP: 0033:0x7f71f777d4cb
[40742.132397] Code: 89 d8 49 8d 3c 1c 48 f7 d8 49 39 c4 72 b5 e8 1c ff ff ff 85 c0 78 ba 4c 89 e0 5b 5d 41 5c c3 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 7d b9 0c 00 f7 d8 64 89 01 48
[40742.132858] RSP: 002b:00007ffd67cc6a28 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
[40742.133109] RAX: ffffffffffffffda RBX: 00007ffd67cc7a70 RCX: 00007f71f777d4cb
[40742.133305] RDX: 00007ffd67cc6a30 RSI: 0000000050009418 RDI: 0000000000000003
[40742.133500] RBP: 0000000000000003 R08: 0000000000000000 R09: 00007ffd67cc85b6
[40742.133700] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[40742.133891] R13: 00007ffd67cc6a30 R14: 00000000004063d0 R15: 00007f71f76826c8
[40742.134098]  
[40742.134212] irq event stamp: 0
[40742.134342] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[40742.134523] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[40742.134776] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[40742.135039] softirqs last disabled at (0): [<0000000000000000>] 0x0
[40742.135222] ---[ end trace 67ed10e28bfe28a7 ]---
[40742.136378] ------------[ cut here ]------------
[40742.136554] WARNING: CPU: 1 PID: 186904 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[40742.136837] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat ip_set rfkill nf_tables nfnetlink intel_rapl_msr iTCO_wdt iTCO_vendor_support snd_hda_codec_generic intel_rapl_common snd_hda_intel snd_intel_dspcfg joydev snd_hda_codec snd_hwdep snd_hda_core i2c_i801 i2c_smbus snd_pcm snd_timer lpc_ich snd soundcore virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[40742.138262] CPU: 1 PID: 186904 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #536
[40742.138521] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[40742.138783] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[40742.138956] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 60 48 8b 05 58 b5 85 01 e8
[40742.139425] RSP: 0018:ffffbf55c6daf988 EFLAGS: 00010202
[40742.139593] RAX: 000000000000000d RBX: ffff9dab8d0da800 RCX: 0000000000000000
[40742.139796] RDX: 0000000000000001 RSI: ffffffff9f5b5d6a RDI: 00000000ffffffff
[40742.140001] RBP: 0000000000000000 R08: ffff9dabdb09c5d8 R09: 0000000000000000
[40742.140201] R10: ffff9dabaeac4e00 R11: 0000000000001f5e R12: ffff9dab87bd0b60
[40742.140395] R13: ffff9dab9fc8eae0 R14: ffff9dabdb09c4e0 R15: ffff9dabdb09c588
[40742.140591] FS:  00007f71f7682740(0000) GS:ffff9dabfbd00000(0000) knlGS:0000000000000000
[40742.140838] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[40742.141023] CR2: 00007fe6fd5af148 CR3: 000000012f7d6004 CR4: 0000000000370ee0
[40742.141224] Call Trace:
[40742.141347]  
[40742.141464]  btrfs_run_delayed_refs+0x86/0x210
[40742.141621]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.141796]  btrfs_start_dirty_block_groups+0x2af/0x540
[40742.141964]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.142131]  btrfs_commit_transaction+0x85e/0xad0
[40742.142294]  ? _raw_spin_unlock+0x29/0x40
[40742.142444]  ? btrfs_block_rsv_release+0x1c2/0x1e0
[40742.142604]  create_subvol+0x567/0x9a0
[40742.142753]  btrfs_mksubvol+0x447/0x4c0
[40742.142899]  ? preempt_count_add+0x49/0xa0
[40742.143061]  __btrfs_ioctl_snap_create+0x123/0x190
[40742.143221]  ? _copy_from_user+0x65/0xa0
[40742.143366]  btrfs_ioctl_snap_create_v2+0xbb/0x140
[40742.143527]  btrfs_ioctl+0x105/0x3160
[40742.143674]  ? rcu_read_lock_sched_held+0x12/0x60
[40742.143831]  ? slab_free_freelist_hook.constprop.0+0x5e/0x130
[40742.144016]  ? do_sys_openat2+0x5e/0x140
[40742.144163]  ? kmem_cache_free+0x111/0x510
[40742.144315]  ? __x64_sys_ioctl+0x80/0xb0
[40742.144460]  __x64_sys_ioctl+0x80/0xb0
[40742.144602]  do_syscall_64+0x38/0x90
[40742.144747]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[40742.144913] RIP: 0033:0x7f71f777d4cb
[40742.145062] Code: 89 d8 49 8d 3c 1c 48 f7 d8 49 39 c4 72 b5 e8 1c ff ff ff 85 c0 78 ba 4c 89 e0 5b 5d 41 5c c3 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 7d b9 0c 00 f7 d8 64 89 01 48
[40742.145531] RSP: 002b:00007ffd67cc6a28 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
[40742.145775] RAX: ffffffffffffffda RBX: 00007ffd67cc7a70 RCX: 00007f71f777d4cb
[40742.145967] RDX: 00007ffd67cc6a30 RSI: 0000000050009418 RDI: 0000000000000003
[40742.146172] RBP: 0000000000000003 R08: 0000000000000000 R09: 00007ffd67cc85b6
[40742.146367] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[40742.146567] R13: 00007ffd67cc6a30 R14: 00000000004063d0 R15: 00007f71f76826c8
[40742.146771]  
[40742.146889] irq event stamp: 0
[40742.147027] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[40742.147210] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[40742.147466] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[40742.147720] softirqs last disabled at (0): [<0000000000000000>] 0x0
[40742.147904] ---[ end trace 67ed10e28bfe28a8 ]---
[40742.149233] ------------[ cut here ]------------
[40742.149398] WARNING: CPU: 1 PID: 186904 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[40742.149679] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat ip_set rfkill nf_tables nfnetlink intel_rapl_msr iTCO_wdt iTCO_vendor_support snd_hda_codec_generic intel_rapl_common snd_hda_intel snd_intel_dspcfg joydev snd_hda_codec snd_hwdep snd_hda_core i2c_i801 i2c_smbus snd_pcm snd_timer lpc_ich snd soundcore virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[40742.151099] CPU: 1 PID: 186904 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #536
[40742.151351] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[40742.151614] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[40742.151789] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 60 48 8b 05 58 b5 85 01 e8
[40742.152267] RSP: 0018:ffffbf55c6daf988 EFLAGS: 00010202
[40742.152435] RAX: 000000000000000d RBX: ffff9dab8d0da800 RCX: 0000000000000000
[40742.152630] RDX: 0000000000000001 RSI: ffffffff9f5b5d6a RDI: 00000000ffffffff
[40742.152828] RBP: 0000000000000000 R08: ffff9dabdb09c710 R09: 0000000000000000
[40742.153030] R10: 0000000000000000 R11: ffff9daae034eb68 R12: ffff9dab87bd0c40
[40742.153227] R13: ffff9dab9fc8eae0 R14: ffff9dabdb09c618 R15: ffff9dabdb09c6c0
[40742.153421] FS:  00007f71f7682740(0000) GS:ffff9dabfbd00000(0000) knlGS:0000000000000000
[40742.153672] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[40742.153847] CR2: 00007fe6fe924448 CR3: 000000012f7d6004 CR4: 0000000000370ee0
[40742.154052] Call Trace:
[40742.154172]  
[40742.154284]  ? btrfs_get_32+0x31/0xf0
[40742.154428]  ? __mutex_lock+0x80/0x8a0
[40742.154567]  ? __mutex_lock+0xda/0x8a0
[40742.154710]  ? rcu_read_lock_sched_held+0x12/0x60
[40742.154871]  ? lock_release+0x1f0/0x2d0
[40742.155026]  btrfs_run_delayed_refs+0x86/0x210
[40742.155179]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.155337]  btrfs_start_dirty_block_groups+0x2af/0x540
[40742.155507]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.161160]  btrfs_commit_transaction+0x85e/0xad0
[40742.161322]  ? _raw_spin_unlock+0x29/0x40
[40742.161471]  ? btrfs_block_rsv_release+0x1c2/0x1e0
[40742.161630]  create_subvol+0x567/0x9a0
[40742.161778]  btrfs_mksubvol+0x447/0x4c0
[40742.161926]  ? preempt_count_add+0x49/0xa0
[40742.162086]  __btrfs_ioctl_snap_create+0x123/0x190
[40742.162245]  ? _copy_from_user+0x65/0xa0
[40742.162391]  btrfs_ioctl_snap_create_v2+0xbb/0x140
[40742.162551]  btrfs_ioctl+0x105/0x3160
[40742.162699]  ? rcu_read_lock_sched_held+0x12/0x60
[40742.162860]  ? slab_free_freelist_hook.constprop.0+0x5e/0x130
[40742.163046]  ? do_sys_openat2+0x5e/0x140
[40742.163193]  ? kmem_cache_free+0x111/0x510
[40742.163345]  ? __x64_sys_ioctl+0x80/0xb0
[40742.163488]  __x64_sys_ioctl+0x80/0xb0
[40742.163630]  do_syscall_64+0x38/0x90
[40742.163775]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[40742.163940] RIP: 0033:0x7f71f777d4cb
[40742.164087] Code: 89 d8 49 8d 3c 1c 48 f7 d8 49 39 c4 72 b5 e8 1c ff ff ff 85 c0 78 ba 4c 89 e0 5b 5d 41 5c c3 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 7d b9 0c 00 f7 d8 64 89 01 48
[40742.164552] RSP: 002b:00007ffd67cc6a28 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
[40742.164797] RAX: ffffffffffffffda RBX: 00007ffd67cc7a70 RCX: 00007f71f777d4cb
[40742.164998] RDX: 00007ffd67cc6a30 RSI: 0000000050009418 RDI: 0000000000000003
[40742.165196] RBP: 0000000000000003 R08: 0000000000000000 R09: 00007ffd67cc85b6
[40742.165389] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[40742.165588] R13: 00007ffd67cc6a30 R14: 00000000004063d0 R15: 00007f71f76826c8
[40742.166509]  
[40742.166632] irq event stamp: 0
[40742.166768] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[40742.166949] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[40742.167214] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[40742.167465] softirqs last disabled at (0): [<0000000000000000>] 0x0
[40742.167653] ---[ end trace 67ed10e28bfe28a9 ]---
[40742.169090] ------------[ cut here ]------------
[40742.169252] WARNING: CPU: 1 PID: 186904 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[40742.169529] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat ip_set rfkill nf_tables nfnetlink intel_rapl_msr iTCO_wdt iTCO_vendor_support snd_hda_codec_generic intel_rapl_common snd_hda_intel snd_intel_dspcfg joydev snd_hda_codec snd_hwdep snd_hda_core i2c_i801 i2c_smbus snd_pcm snd_timer lpc_ich snd soundcore virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[40742.170951] CPU: 1 PID: 186904 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #536
[40742.171210] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[40742.171473] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[40742.171650] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 60 48 8b 05 58 b5 85 01 e8
[40742.172131] RSP: 0018:ffffbf55c6daf988 EFLAGS: 00010202
[40742.172300] RAX: 000000000000000d RBX: ffff9dab8d0da800 RCX: 0000000000000000
[40742.172495] RDX: 0000000000000001 RSI: ffffffff9f5b5d6a RDI: 00000000ffffffff
[40742.172692] RBP: 0000000000000000 R08: ffff9dabdd6a2848 R09: 0000000000000000
[40742.172886] R10: ffff9dabdb09c600 R11: ffff9dab83853a08 R12: ffff9dab87bd0000
[40742.173090] R13: ffff9dab9fc8eae0 R14: ffff9dabdd6a2750 R15: ffff9dabdd6a27f8
[40742.173286] FS:  00007f71f7682740(0000) GS:ffff9dabfbd00000(0000) knlGS:0000000000000000
[40742.173534] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[40742.173710] CR2: 00007fe6fd0ca350 CR3: 000000012f7d6004 CR4: 0000000000370ee0
[40742.173910] Call Trace:
[40742.174037]  
[40742.174154]  ? __mutex_lock+0x80/0x8a0
[40742.174298]  ? __mutex_lock+0xda/0x8a0
[40742.174438]  ? lock_release+0x1d0/0x2d0
[40742.174581]  btrfs_run_delayed_refs+0x86/0x210
[40742.174741]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.174899]  btrfs_start_dirty_block_groups+0x2af/0x540
[40742.175077]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.175234]  btrfs_commit_transaction+0x85e/0xad0
[40742.175396]  ? _raw_spin_unlock+0x29/0x40
[40742.175546]  ? btrfs_block_rsv_release+0x1c2/0x1e0
[40742.175708]  create_subvol+0x567/0x9a0
[40742.175853]  btrfs_mksubvol+0x447/0x4c0
[40742.176008]  ? preempt_count_add+0x49/0xa0
[40742.176162]  __btrfs_ioctl_snap_create+0x123/0x190
[40742.176320]  ? _copy_from_user+0x65/0xa0
[40742.176465]  btrfs_ioctl_snap_create_v2+0xbb/0x140
[40742.176625]  btrfs_ioctl+0x105/0x3160
[40742.176772]  ? rcu_read_lock_sched_held+0x12/0x60
[40742.176930]  ? slab_free_freelist_hook.constprop.0+0x5e/0x130
[40742.177114]  ? do_sys_openat2+0x5e/0x140
[40742.177261]  ? kmem_cache_free+0x111/0x510
[40742.177412]  ? __x64_sys_ioctl+0x80/0xb0
[40742.177556]  __x64_sys_ioctl+0x80/0xb0
[40742.177700]  do_syscall_64+0x38/0x90
[40742.177842]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[40742.178015] RIP: 0033:0x7f71f777d4cb
[40742.178155] Code: 89 d8 49 8d 3c 1c 48 f7 d8 49 39 c4 72 b5 e8 1c ff ff ff 85 c0 78 ba 4c 89 e0 5b 5d 41 5c c3 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 7d b9 0c 00 f7 d8 64 89 01 48
[40742.178619] RSP: 002b:00007ffd67cc6a28 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
[40742.178864] RAX: ffffffffffffffda RBX: 00007ffd67cc7a70 RCX: 00007f71f777d4cb
[40742.179065] RDX: 00007ffd67cc6a30 RSI: 0000000050009418 RDI: 0000000000000003
[40742.179262] RBP: 0000000000000003 R08: 0000000000000000 R09: 00007ffd67cc85b6
[40742.179460] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[40742.179661] R13: 00007ffd67cc6a30 R14: 00000000004063d0 R15: 00007f71f76826c8
[40742.179860]  
[40742.179976] irq event stamp: 0
[40742.180113] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[40742.180295] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[40742.180548] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[40742.180801] softirqs last disabled at (0): [<0000000000000000>] 0x0
[40742.180994] ---[ end trace 67ed10e28bfe28aa ]---
[40742.182258] ------------[ cut here ]------------
[40742.182420] WARNING: CPU: 1 PID: 186904 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[40742.182703] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat ip_set rfkill nf_tables nfnetlink intel_rapl_msr iTCO_wdt iTCO_vendor_support snd_hda_codec_generic intel_rapl_common snd_hda_intel snd_intel_dspcfg joydev snd_hda_codec snd_hwdep snd_hda_core i2c_i801 i2c_smbus snd_pcm snd_timer lpc_ich snd soundcore virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[40742.184123] CPU: 1 PID: 186904 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #536
[40742.184374] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[40742.184636] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[40742.184809] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 60 48 8b 05 58 b5 85 01 e8
[40742.185287] RSP: 0018:ffffbf55c6daf988 EFLAGS: 00010202
[40742.185454] RAX: 000000000000000d RBX: ffff9dab8d0da800 RCX: 0000000000000000
[40742.185652] RDX: 0000000000000001 RSI: ffffffff9f5b5d6a RDI: 00000000ffffffff
[40742.185848] RBP: 0000000000000000 R08: ffff9dabdd6a20f8 R09: 0000000000000000
[40742.186048] R10: ffff9dabdd6a2700 R11: ffff9dab83853a08 R12: ffff9dab87bd0380
[40742.186246] R13: ffff9dab9fc8eae0 R14: ffff9dabdd6a2000 R15: ffff9dabdd6a20a8
[40742.186440] FS:  00007f71f7682740(0000) GS:ffff9dabfbd00000(0000) knlGS:0000000000000000
[40742.186691] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[40742.186865] CR2: 00007fe6feaf5dc8 CR3: 000000012f7d6004 CR4: 0000000000370ee0
[40742.187071] Call Trace:
[40742.187191]  
[40742.187306]  ? __mutex_lock+0x80/0x8a0
[40742.187449]  ? __mutex_lock+0xda/0x8a0
[40742.187590]  ? lock_release+0x1d0/0x2d0
[40742.187737]  btrfs_run_delayed_refs+0x86/0x210
[40742.187891]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.188060]  btrfs_start_dirty_block_groups+0x2af/0x540
[40742.188227]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.188385]  btrfs_commit_transaction+0x85e/0xad0
[40742.188545]  ? _raw_spin_unlock+0x29/0x40
[40742.188696]  ? btrfs_block_rsv_release+0x1c2/0x1e0
[40742.188856]  create_subvol+0x567/0x9a0
[40742.189009]  btrfs_mksubvol+0x447/0x4c0
[40742.189156]  ? preempt_count_add+0x49/0xa0
[40742.189307]  __btrfs_ioctl_snap_create+0x123/0x190
[40742.189464]  ? _copy_from_user+0x65/0xa0
[40742.189608]  btrfs_ioctl_snap_create_v2+0xbb/0x140
[40742.189772]  btrfs_ioctl+0x105/0x3160
[40742.189916]  ? rcu_read_lock_sched_held+0x12/0x60
[40742.190083]  ? slab_free_freelist_hook.constprop.0+0x5e/0x130
[40742.190259]  ? do_sys_openat2+0x5e/0x140
[40742.190409]  ? kmem_cache_free+0x111/0x510
[40742.190559]  ? __x64_sys_ioctl+0x80/0xb0
[40742.190706]  __x64_sys_ioctl+0x80/0xb0
[40742.190847]  do_syscall_64+0x38/0x90
[40742.191001]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[40742.191165] RIP: 0033:0x7f71f777d4cb
[40742.191303] Code: 89 d8 49 8d 3c 1c 48 f7 d8 49 39 c4 72 b5 e8 1c ff ff ff 85 c0 78 ba 4c 89 e0 5b 5d 41 5c c3 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 7d b9 0c 00 f7 d8 64 89 01 48
[40742.191774] RSP: 002b:00007ffd67cc6a28 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
[40742.192026] RAX: ffffffffffffffda RBX: 00007ffd67cc7a70 RCX: 00007f71f777d4cb
[40742.192221] RDX: 00007ffd67cc6a30 RSI: 0000000050009418 RDI: 0000000000000003
[40742.198628] RBP: 0000000000000003 R08: 0000000000000000 R09: 00007ffd67cc85b6
[40742.198833] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[40742.199039] R13: 00007ffd67cc6a30 R14: 00000000004063d0 R15: 00007f71f76826c8
[40742.199241]  
[40742.199355] irq event stamp: 0
[40742.199487] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[40742.199675] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[40742.199921] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[40742.200186] softirqs last disabled at (0): [<0000000000000000>] 0x0
[40742.200367] ---[ end trace 67ed10e28bfe28ab ]---
[40742.200672] ------------[ cut here ]------------
[40742.200831] WARNING: CPU: 1 PID: 186904 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[40742.201128] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat ip_set rfkill nf_tables nfnetlink intel_rapl_msr iTCO_wdt iTCO_vendor_support snd_hda_codec_generic intel_rapl_common snd_hda_intel snd_intel_dspcfg joydev snd_hda_codec snd_hwdep snd_hda_core i2c_i801 i2c_smbus snd_pcm snd_timer lpc_ich snd soundcore virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[40742.202535] CPU: 1 PID: 186904 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #536
[40742.202798] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[40742.203066] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[40742.203242] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 60 48 8b 05 58 b5 85 01 e8
[40742.203708] RSP: 0018:ffffbf55c6daf988 EFLAGS: 00010202
[40742.203875] RAX: 000000000000000d RBX: ffff9dab8d0da800 RCX: 0000000000000000
[40742.204080] RDX: 0000000000000001 RSI: ffffffff9f5b5d6a RDI: 00000000ffffffff
[40742.204280] RBP: 0000000000000000 R08: ffff9dabdd6a2e60 R09: 0000000000000000
[40742.204477] R10: ffff9dabdd6a2000 R11: ffff9dab83853a08 R12: ffff9dab87bd0930
[40742.204677] R13: ffff9dab9fc8eae0 R14: ffff9dabdd6a2d68 R15: ffff9dabdd6a2e10
[40742.204875] FS:  00007f71f7682740(0000) GS:ffff9dabfbd00000(0000) knlGS:0000000000000000
[40742.205139] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[40742.205312] CR2: 00007fe6feaf5dc8 CR3: 000000012f7d6004 CR4: 0000000000370ee0
[40742.205509] Call Trace:
[40742.205632]  
[40742.205753]  ? __mutex_lock+0x80/0x8a0
[40742.205895]  ? __mutex_lock+0xda/0x8a0
[40742.206048]  ? lock_release+0x1d0/0x2d0
[40742.206197]  btrfs_run_delayed_refs+0x86/0x210
[40742.206350]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.206507]  btrfs_start_dirty_block_groups+0x2af/0x540
[40742.206680]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.206840]  btrfs_commit_transaction+0x85e/0xad0
[40742.207007]  ? _raw_spin_unlock+0x29/0x40
[40742.207156]  ? btrfs_block_rsv_release+0x1c2/0x1e0
[40742.207318]  create_subvol+0x567/0x9a0
[40742.207466]  btrfs_mksubvol+0x447/0x4c0
[40742.207610]  ? preempt_count_add+0x49/0xa0
[40742.207761]  __btrfs_ioctl_snap_create+0x123/0x190
[40742.207922]  ? _copy_from_user+0x65/0xa0
[40742.208082]  btrfs_ioctl_snap_create_v2+0xbb/0x140
[40742.208242]  btrfs_ioctl+0x105/0x3160
[40742.208382]  ? rcu_read_lock_sched_held+0x12/0x60
[40742.208542]  ? slab_free_freelist_hook.constprop.0+0x5e/0x130
[40742.208722]  ? do_sys_openat2+0x5e/0x140
[40742.208866]  ? kmem_cache_free+0x111/0x510
[40742.209025]  ? __x64_sys_ioctl+0x80/0xb0
[40742.209175]  __x64_sys_ioctl+0x80/0xb0
[40742.209319]  do_syscall_64+0x38/0x90
[40742.209457]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[40742.209619] RIP: 0033:0x7f71f777d4cb
[40742.209765] Code: 89 d8 49 8d 3c 1c 48 f7 d8 49 39 c4 72 b5 e8 1c ff ff ff 85 c0 78 ba 4c 89 e0 5b 5d 41 5c c3 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 7d b9 0c 00 f7 d8 64 89 01 48
[40742.210236] RSP: 002b:00007ffd67cc6a28 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
[40742.210475] RAX: ffffffffffffffda RBX: 00007ffd67cc7a70 RCX: 00007f71f777d4cb
[40742.210676] RDX: 00007ffd67cc6a30 RSI: 0000000050009418 RDI: 0000000000000003
[40742.210874] RBP: 0000000000000003 R08: 0000000000000000 R09: 00007ffd67cc85b6
[40742.211083] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[40742.211277] R13: 00007ffd67cc6a30 R14: 00000000004063d0 R15: 00007f71f76826c8
[40742.211474]  
[40742.211588] irq event stamp: 0
[40742.211722] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[40742.211907] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[40742.212167] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[40742.212424] softirqs last disabled at (0): [<0000000000000000>] 0x0
[40742.212605] ---[ end trace 67ed10e28bfe28ac ]---
[40742.214274] ------------[ cut here ]------------
[40742.214438] WARNING: CPU: 1 PID: 186904 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[40742.214727] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat ip_set rfkill nf_tables nfnetlink intel_rapl_msr iTCO_wdt iTCO_vendor_support snd_hda_codec_generic intel_rapl_common snd_hda_intel snd_intel_dspcfg joydev snd_hda_codec snd_hwdep snd_hda_core i2c_i801 i2c_smbus snd_pcm snd_timer lpc_ich snd soundcore virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[40742.216127] CPU: 1 PID: 186904 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #536
[40742.216386] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[40742.216647] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[40742.216822] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 60 48 8b 05 58 b5 85 01 e8
[40742.217294] RSP: 0018:ffffbf55c6daf988 EFLAGS: 00010202
[40742.217461] RAX: 000000000000000d RBX: ffff9dab8d0da800 RCX: 0000000000000000
[40742.217660] RDX: 0000000000000001 RSI: ffffffff9f5b5d6a RDI: 00000000ffffffff
[40742.217858] RBP: 0000000000000000 R08: ffff9dab95b214a0 R09: 0000000000000000
[40742.218068] R10: ffff9dabdd6a2d00 R11: ffff9dab83853a08 R12: ffff9dab95ea4230
[40742.218267] R13: ffff9dab9fc8eae0 R14: ffff9dab95b213a8 R15: ffff9dab95b21450
[40742.218465] FS:  00007f71f7682740(0000) GS:ffff9dabfbd00000(0000) knlGS:0000000000000000
[40742.218719] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[40742.218893] CR2: 00007fee2952553c CR3: 000000012f7d6004 CR4: 0000000000370ee0
[40742.219102] Call Trace:
[40742.219227]  
[40742.219345]  ? __mutex_lock+0x80/0x8a0
[40742.219488]  ? __mutex_lock+0xda/0x8a0
[40742.219633]  ? lock_release+0x1d0/0x2d0
[40742.219784]  btrfs_run_delayed_refs+0x86/0x210
[40742.219935]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.220103]  btrfs_start_dirty_block_groups+0x2af/0x540
[40742.220273]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.220435]  btrfs_commit_transaction+0x85e/0xad0
[40742.220592]  ? _raw_spin_unlock+0x29/0x40
[40742.220744]  ? btrfs_block_rsv_release+0x1c2/0x1e0
[40742.220906]  create_subvol+0x567/0x9a0
[40742.221065]  btrfs_mksubvol+0x447/0x4c0
[40742.221209]  ? preempt_count_add+0x49/0xa0
[40742.221357]  __btrfs_ioctl_snap_create+0x123/0x190
[40742.221518]  ? _copy_from_user+0x65/0xa0
[40742.221670]  btrfs_ioctl_snap_create_v2+0xbb/0x140
[40742.221829]  btrfs_ioctl+0x105/0x3160
[40742.221969]  ? rcu_read_lock_sched_held+0x12/0x60
[40742.222140]  ? slab_free_freelist_hook.constprop.0+0x5e/0x130
[40742.222318]  ? do_sys_openat2+0x5e/0x140
[40742.222464]  ? kmem_cache_free+0x111/0x510
[40742.222613]  ? __x64_sys_ioctl+0x80/0xb0
[40742.222762]  __x64_sys_ioctl+0x80/0xb0
[40742.222906]  do_syscall_64+0x38/0x90
[40742.223056]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[40742.223220] RIP: 0033:0x7f71f777d4cb
[40742.223361] Code: 89 d8 49 8d 3c 1c 48 f7 d8 49 39 c4 72 b5 e8 1c ff ff ff 85 c0 78 ba 4c 89 e0 5b 5d 41 5c c3 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 7d b9 0c 00 f7 d8 64 89 01 48
[40742.223822] RSP: 002b:00007ffd67cc6a28 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
[40742.224073] RAX: ffffffffffffffda RBX: 00007ffd67cc7a70 RCX: 00007f71f777d4cb
[40742.224272] RDX: 00007ffd67cc6a30 RSI: 0000000050009418 RDI: 0000000000000003
[40742.224471] RBP: 0000000000000003 R08: 0000000000000000 R09: 00007ffd67cc85b6
[40742.224669] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[40742.224865] R13: 00007ffd67cc6a30 R14: 00000000004063d0 R15: 00007f71f76826c8
[40742.225074]  
[40742.225189] irq event stamp: 0
[40742.225321] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[40742.225504] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[40742.226493] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[40742.226760] softirqs last disabled at (0): [<0000000000000000>] 0x0
[40742.226941] ---[ end trace 67ed10e28bfe28ad ]---
[40742.227258] ------------[ cut here ]------------
[40742.227416] WARNING: CPU: 1 PID: 186904 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[40742.227704] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat ip_set rfkill nf_tables nfnetlink intel_rapl_msr iTCO_wdt iTCO_vendor_support snd_hda_codec_generic intel_rapl_common snd_hda_intel snd_intel_dspcfg joydev snd_hda_codec snd_hwdep snd_hda_core i2c_i801 i2c_smbus snd_pcm snd_timer lpc_ich snd soundcore virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[40742.229098] CPU: 1 PID: 186904 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #536
[40742.234880] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[40742.235154] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[40742.235327] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 60 48 8b 05 58 b5 85 01 e8
[40742.235794] RSP: 0018:ffffbf55c6daf988 EFLAGS: 00010202
[40742.235962] RAX: 000000000000000d RBX: ffff9dab8d0da800 RCX: 0000000000000000
[40742.236173] RDX: 0000000000000001 RSI: ffffffff9f5b5d6a RDI: 00000000ffffffff
[40742.236372] RBP: 0000000000000000 R08: ffff9dab85f86be0 R09: 0000000000000000
[40742.236565] R10: ffff9dab95b21300 R11: ffff9dab83853a08 R12: ffff9dabc937ff08
[40742.236764] R13: ffff9dab9fc8eae0 R14: ffff9dab85f86af8 R15: ffff9dab85f86ba0
[40742.236957] FS:  00007f71f7682740(0000) GS:ffff9dabfbd00000(0000) knlGS:0000000000000000
[40742.237216] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[40742.237391] CR2: 00007fee2952553c CR3: 000000012f7d6004 CR4: 0000000000370ee0
[40742.237590] Call Trace:
[40742.237715]  
[40742.237830]  ? __mutex_lock+0x80/0x8a0
[40742.237975]  ? __mutex_lock+0xda/0x8a0
[40742.238126]  ? lock_release+0x1d0/0x2d0
[40742.238270]  btrfs_run_delayed_refs+0x86/0x210
[40742.238426]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.238585]  btrfs_start_dirty_block_groups+0x2af/0x540
[40742.238756]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.238912]  btrfs_commit_transaction+0x85e/0xad0
[40742.239081]  ? _raw_spin_unlock+0x29/0x40
[40742.239234]  ? btrfs_block_rsv_release+0x1c2/0x1e0
[40742.239394]  create_subvol+0x567/0x9a0
[40742.239539]  btrfs_mksubvol+0x447/0x4c0
[40742.239688]  ? preempt_count_add+0x49/0xa0
[40742.239841]  __btrfs_ioctl_snap_create+0x123/0x190
[40742.240009]  ? _copy_from_user+0x65/0xa0
[40742.240154]  btrfs_ioctl_snap_create_v2+0xbb/0x140
[40742.240316]  btrfs_ioctl+0x105/0x3160
[40742.240459]  ? rcu_read_lock_sched_held+0x12/0x60
[40742.240616]  ? slab_free_freelist_hook.constprop.0+0x5e/0x130
[40742.240795]  ? do_sys_openat2+0x5e/0x140
[40742.240938]  ? kmem_cache_free+0x111/0x510
[40742.241098]  ? __x64_sys_ioctl+0x80/0xb0
[40742.241245]  __x64_sys_ioctl+0x80/0xb0
[40742.241386]  do_syscall_64+0x38/0x90
[40742.241528]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[40742.241696] RIP: 0033:0x7f71f777d4cb
[40742.241834] Code: 89 d8 49 8d 3c 1c 48 f7 d8 49 39 c4 72 b5 e8 1c ff ff ff 85 c0 78 ba 4c 89 e0 5b 5d 41 5c c3 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 7d b9 0c 00 f7 d8 64 89 01 48
[40742.242307] RSP: 002b:00007ffd67cc6a28 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
[40742.242550] RAX: ffffffffffffffda RBX: 00007ffd67cc7a70 RCX: 00007f71f777d4cb
[40742.242746] RDX: 00007ffd67cc6a30 RSI: 0000000050009418 RDI: 0000000000000003
[40742.242942] RBP: 0000000000000003 R08: 0000000000000000 R09: 00007ffd67cc85b6
[40742.243145] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[40742.243344] R13: 00007ffd67cc6a30 R14: 00000000004063d0 R15: 00007f71f76826c8
[40742.243543]  
[40742.243664] irq event stamp: 0
[40742.243793] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[40742.243974] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[40742.244234] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[40742.244489] softirqs last disabled at (0): [<0000000000000000>] 0x0
[40742.244675] ---[ end trace 67ed10e28bfe28ae ]---
[40742.244909] ------------[ cut here ]------------
[40742.245081] WARNING: CPU: 1 PID: 186904 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[40742.245361] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat ip_set rfkill nf_tables nfnetlink intel_rapl_msr iTCO_wdt iTCO_vendor_support snd_hda_codec_generic intel_rapl_common snd_hda_intel snd_intel_dspcfg joydev snd_hda_codec snd_hwdep snd_hda_core i2c_i801 i2c_smbus snd_pcm snd_timer lpc_ich snd soundcore virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[40742.246778] CPU: 1 PID: 186904 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #536
[40742.247036] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[40742.247298] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[40742.247470] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 60 48 8b 05 58 b5 85 01 e8
[40742.247936] RSP: 0018:ffffbf55c6daf988 EFLAGS: 00010202
[40742.248112] RAX: 000000000000000d RBX: ffff9dab8d0da800 RCX: 0000000000000000
[40742.248311] RDX: 0000000000000001 RSI: ffffffff9f5b5d6a RDI: 00000000ffffffff
[40742.248505] RBP: 0000000000000000 R08: ffff9dab85f86700 R09: 0000000000000000
[40742.248703] R10: ffff9dab85f86a00 R11: ffff9dab83850e08 R12: ffff9dabc937f000
[40742.248899] R13: ffff9dab9fc8eae0 R14: ffff9dab85f86618 R15: ffff9dab85f866c0
[40742.249104] FS:  00007f71f7682740(0000) GS:ffff9dabfbd00000(0000) knlGS:0000000000000000
[40742.249351] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[40742.249526] CR2: 00007fee2952553c CR3: 000000012f7d6004 CR4: 0000000000370ee0
[40742.249728] Call Trace:
[40742.249846]  
[40742.249961]  ? __mutex_lock+0x80/0x8a0
[40742.250115]  ? __mutex_lock+0xda/0x8a0
[40742.250258]  ? lock_release+0x1d0/0x2d0
[40742.250401]  btrfs_run_delayed_refs+0x86/0x210
[40742.250556]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.250720]  btrfs_start_dirty_block_groups+0x2af/0x540
[40742.250885]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.251052]  btrfs_commit_transaction+0x85e/0xad0
[40742.251211]  ? _raw_spin_unlock+0x29/0x40
[40742.251361]  ? btrfs_block_rsv_release+0x1c2/0x1e0
[40742.251518]  create_subvol+0x567/0x9a0
[40742.251667]  btrfs_mksubvol+0x447/0x4c0
[40742.251813]  ? preempt_count_add+0x49/0xa0
[40742.251964]  __btrfs_ioctl_snap_create+0x123/0x190
[40742.252133]  ? _copy_from_user+0x65/0xa0
[40742.252279]  btrfs_ioctl_snap_create_v2+0xbb/0x140
[40742.252441]  btrfs_ioctl+0x105/0x3160
[40742.252582]  ? rcu_read_lock_sched_held+0x12/0x60
[40742.252741]  ? slab_free_freelist_hook.constprop.0+0x5e/0x130
[40742.252915]  ? do_sys_openat2+0x5e/0x140
[40742.253071]  ? kmem_cache_free+0x111/0x510
[40742.253224]  ? __x64_sys_ioctl+0x80/0xb0
[40742.253367]  __x64_sys_ioctl+0x80/0xb0
[40742.253507]  do_syscall_64+0x38/0x90
[40742.253651]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[40742.253814] RIP: 0033:0x7f71f777d4cb
[40742.253951] Code: 89 d8 49 8d 3c 1c 48 f7 d8 49 39 c4 72 b5 e8 1c ff ff ff 85 c0 78 ba 4c 89 e0 5b 5d 41 5c c3 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 7d b9 0c 00 f7 d8 64 89 01 48
[40742.254424] RSP: 002b:00007ffd67cc6a28 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
[40742.254670] RAX: ffffffffffffffda RBX: 00007ffd67cc7a70 RCX: 00007f71f777d4cb
[40742.254866] RDX: 00007ffd67cc6a30 RSI: 0000000050009418 RDI: 0000000000000003
[40742.255070] RBP: 0000000000000003 R08: 0000000000000000 R09: 00007ffd67cc85b6
[40742.255267] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[40742.255464] R13: 00007ffd67cc6a30 R14: 00000000004063d0 R15: 00007f71f76826c8
[40742.255668]  
[40742.256475] irq event stamp: 0
[40742.256606] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[40742.256793] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[40742.257063] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[40742.257312] softirqs last disabled at (0): [<0000000000000000>] 0x0
[40742.257497] ---[ end trace 67ed10e28bfe28af ]---
[40742.257721] ------------[ cut here ]------------
[40742.257882] WARNING: CPU: 1 PID: 186904 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[40742.258169] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat ip_set rfkill nf_tables nfnetlink intel_rapl_msr iTCO_wdt iTCO_vendor_support snd_hda_codec_generic intel_rapl_common snd_hda_intel snd_intel_dspcfg joydev snd_hda_codec snd_hwdep snd_hda_core i2c_i801 i2c_smbus snd_pcm snd_timer lpc_ich snd soundcore virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[40742.259586] CPU: 1 PID: 186904 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #536
[40742.259844] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[40742.260117] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[40742.260287] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 60 48 8b 05 58 b5 85 01 e8
[40742.260753] RSP: 0018:ffffbf55c6daf988 EFLAGS: 00010202
[40742.260920] RAX: 000000000000000d RBX: ffff9dab8d0da800 RCX: 0000000000000000
[40742.261125] RDX: 0000000000000001 RSI: ffffffff9f5b5d6a RDI: 00000000ffffffff
[40742.261322] RBP: 0000000000000000 R08: ffff9dab85f86d18 R09: 0000000000000000
[40742.261514] R10: ffff9dab85f86600 R11: ffff9dab83850e08 R12: ffff9dabc937f068
[40742.261713] R13: ffff9dab9fc8eae0 R14: ffff9dab85f86c30 R15: ffff9dab85f86cd8
[40742.261918] FS:  00007f71f7682740(0000) GS:ffff9dabfbd00000(0000) knlGS:0000000000000000
[40742.262176] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[40742.262352] CR2: 00007fee2952553c CR3: 000000012f7d6004 CR4: 0000000000370ee0
[40742.262550] Call Trace:
[40742.262673]  
[40742.262789]  ? __mutex_lock+0x80/0x8a0
[40742.262934]  ? __mutex_lock+0xda/0x8a0
[40742.263087]  ? lock_release+0x1d0/0x2d0
[40742.263231]  btrfs_run_delayed_refs+0x86/0x210
[40742.263386]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.263545]  btrfs_start_dirty_block_groups+0x2af/0x540
[40742.263714]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.263872]  btrfs_commit_transaction+0x85e/0xad0
[40742.269539]  ? _raw_spin_unlock+0x29/0x40
[40742.269691]  ? btrfs_block_rsv_release+0x1c2/0x1e0
[40742.269855]  create_subvol+0x567/0x9a0
[40742.270012]  btrfs_mksubvol+0x447/0x4c0
[40742.270157]  ? preempt_count_add+0x49/0xa0
[40742.270306]  __btrfs_ioctl_snap_create+0x123/0x190
[40742.270466]  ? _copy_from_user+0x65/0xa0
[40742.270614]  btrfs_ioctl_snap_create_v2+0xbb/0x140
[40742.270775]  btrfs_ioctl+0x105/0x3160
[40742.270916]  ? rcu_read_lock_sched_held+0x12/0x60
[40742.271085]  ? slab_free_freelist_hook.constprop.0+0x5e/0x130
[40742.271266]  ? do_sys_openat2+0x5e/0x140
[40742.271411]  ? kmem_cache_free+0x111/0x510
[40742.271558]  ? __x64_sys_ioctl+0x80/0xb0
[40742.271708]  __x64_sys_ioctl+0x80/0xb0
[40742.271854]  do_syscall_64+0x38/0x90
[40742.272001]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[40742.272165] RIP: 0033:0x7f71f777d4cb
[40742.272306] Code: 89 d8 49 8d 3c 1c 48 f7 d8 49 39 c4 72 b5 e8 1c ff ff ff 85 c0 78 ba 4c 89 e0 5b 5d 41 5c c3 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 7d b9 0c 00 f7 d8 64 89 01 48
[40742.272774] RSP: 002b:00007ffd67cc6a28 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
[40742.273021] RAX: ffffffffffffffda RBX: 00007ffd67cc7a70 RCX: 00007f71f777d4cb
[40742.273218] RDX: 00007ffd67cc6a30 RSI: 0000000050009418 RDI: 0000000000000003
[40742.273416] RBP: 0000000000000003 R08: 0000000000000000 R09: 00007ffd67cc85b6
[40742.273612] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[40742.273817] R13: 00007ffd67cc6a30 R14: 00000000004063d0 R15: 00007f71f76826c8
[40742.274022]  
[40742.274138] irq event stamp: 0
[40742.274269] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[40742.274452] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[40742.274707] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[40742.274962] softirqs last disabled at (0): [<0000000000000000>] 0x0
[40742.275152] ---[ end trace 67ed10e28bfe28b0 ]---
[40742.276024] ------------[ cut here ]------------
[40742.276183] WARNING: CPU: 1 PID: 186904 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[40742.276467] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat ip_set rfkill nf_tables nfnetlink intel_rapl_msr iTCO_wdt iTCO_vendor_support snd_hda_codec_generic intel_rapl_common snd_hda_intel snd_intel_dspcfg joydev snd_hda_codec snd_hwdep snd_hda_core i2c_i801 i2c_smbus snd_pcm snd_timer lpc_ich snd soundcore virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[40742.277863] CPU: 1 PID: 186904 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #536
[40742.278131] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[40742.278390] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[40742.278562] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 60 48 8b 05 58 b5 85 01 e8
[40742.279039] RSP: 0018:ffffbf55c6daf988 EFLAGS: 00010202
[40742.279205] RAX: 000000000000000d RBX: ffff9dab8d0da800 RCX: 0000000000000000
[40742.279398] RDX: 0000000000000001 RSI: ffffffff9f5b5d6a RDI: 00000000ffffffff
[40742.279597] RBP: 0000000000000000 R08: ffff9dabaeac4838 R09: 0000000000000000
[40742.279798] R10: ffff9dab85f86c00 R11: ffff9dab83850e08 R12: ffff9dabc937f8f0
[40742.280005] R13: ffff9dab9fc8eae0 R14: ffff9dabaeac4750 R15: ffff9dabaeac47f8
[40742.280203] FS:  00007f71f7682740(0000) GS:ffff9dabfbd00000(0000) knlGS:0000000000000000
[40742.280457] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[40742.280627] CR2: 00007fe6fdc7a858 CR3: 000000012f7d6004 CR4: 0000000000370ee0
[40742.280828] Call Trace:
[40742.280949]  
[40742.281076]  ? __mutex_lock+0x80/0x8a0
[40742.281220]  ? __mutex_lock+0xda/0x8a0
[40742.281363]  ? lock_release+0x1d0/0x2d0
[40742.281509]  btrfs_run_delayed_refs+0x86/0x210
[40742.281666]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.281822]  btrfs_start_dirty_block_groups+0x2af/0x540
[40742.282002]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.282162]  btrfs_commit_transaction+0x85e/0xad0
[40742.282319]  ? _raw_spin_unlock+0x29/0x40
[40742.282466]  ? btrfs_block_rsv_release+0x1c2/0x1e0
[40742.282630]  create_subvol+0x567/0x9a0
[40742.282781]  btrfs_mksubvol+0x447/0x4c0
[40742.282923]  ? preempt_count_add+0x49/0xa0
[40742.283081]  __btrfs_ioctl_snap_create+0x123/0x190
[40742.283243]  ? _copy_from_user+0x65/0xa0
[40742.283392]  btrfs_ioctl_snap_create_v2+0xbb/0x140
[40742.283550]  btrfs_ioctl+0x105/0x3160
[40742.283694]  ? rcu_read_lock_sched_held+0x12/0x60
[40742.283856]  ? slab_free_freelist_hook.constprop.0+0x5e/0x130
[40742.284043]  ? do_sys_openat2+0x5e/0x140
[40742.284187]  ? kmem_cache_free+0x111/0x510
[40742.284333]  ? __x64_sys_ioctl+0x80/0xb0
[40742.284480]  __x64_sys_ioctl+0x80/0xb0
[40742.284624]  do_syscall_64+0x38/0x90
[40742.284766]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[40742.284929] RIP: 0033:0x7f71f777d4cb
[40742.285081] Code: 89 d8 49 8d 3c 1c 48 f7 d8 49 39 c4 72 b5 e8 1c ff ff ff 85 c0 78 ba 4c 89 e0 5b 5d 41 5c c3 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 7d b9 0c 00 f7 d8 64 89 01 48
[40742.285545] RSP: 002b:00007ffd67cc6a28 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
[40742.286517] RAX: ffffffffffffffda RBX: 00007ffd67cc7a70 RCX: 00007f71f777d4cb
[40742.286721] RDX: 00007ffd67cc6a30 RSI: 0000000050009418 RDI: 0000000000000003
[40742.286921] RBP: 0000000000000003 R08: 0000000000000000 R09: 00007ffd67cc85b6
[40742.287126] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[40742.287325] R13: 00007ffd67cc6a30 R14: 00000000004063d0 R15: 00007f71f76826c8
[40742.287522]  
[40742.287637] irq event stamp: 0
[40742.287772] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[40742.287957] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[40742.288216] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[40742.288474] softirqs last disabled at (0): [<0000000000000000>] 0x0
[40742.288657] ---[ end trace 67ed10e28bfe28b1 ]---
[40742.289899] ------------[ cut here ]------------
[40742.290095] WARNING: CPU: 1 PID: 186904 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[40742.290382] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat ip_set rfkill nf_tables nfnetlink intel_rapl_msr iTCO_wdt iTCO_vendor_support snd_hda_codec_generic intel_rapl_common snd_hda_intel snd_intel_dspcfg joydev snd_hda_codec snd_hwdep snd_hda_core i2c_i801 i2c_smbus snd_pcm snd_timer lpc_ich snd soundcore virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[40742.291797] CPU: 1 PID: 186904 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #536
[40742.292066] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[40742.292324] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[40742.292498] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 60 48 8b 05 58 b5 85 01 e8
[40742.292961] RSP: 0018:ffffbf55c6daf988 EFLAGS: 00010202
[40742.293136] RAX: 000000000000000d RBX: ffff9dab8d0da800 RCX: 0000000000000000
[40742.293329] RDX: 0000000000000001 RSI: ffffffff9f5b5d6a RDI: 00000000ffffffff
[40742.293528] RBP: 0000000000000000 R08: ffff9dabad79c0e8 R09: 0000000000000000
[40742.293729] R10: ffff9dabaeac4700 R11: ffff9dab83850e08 R12: ffff9dabc937fa90
[40742.293928] R13: ffff9dab9fc8eae0 R14: ffff9dabad79c000 R15: ffff9dabad79c0a8
[40742.294136] FS:  00007f71f7682740(0000) GS:ffff9dabfbd00000(0000) knlGS:0000000000000000
[40742.294391] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[40742.294562] CR2: 00007fe6fd7ef020 CR3: 000000012f7d6004 CR4: 0000000000370ee0
[40742.294763] Call Trace:
[40742.294884]  
[40742.295011]  ? __mutex_lock+0x80/0x8a0
[40742.295154]  ? __mutex_lock+0xda/0x8a0
[40742.295298]  ? lock_release+0x1d0/0x2d0
[40742.295444]  btrfs_run_delayed_refs+0x86/0x210
[40742.295597]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.295757]  btrfs_start_dirty_block_groups+0x2af/0x540
[40742.295926]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.296097]  btrfs_commit_transaction+0x85e/0xad0
[40742.296255]  ? _raw_spin_unlock+0x29/0x40
[40742.296401]  ? btrfs_block_rsv_release+0x1c2/0x1e0
[40742.296565]  create_subvol+0x567/0x9a0
[40742.296716]  btrfs_mksubvol+0x447/0x4c0
[40742.296858]  ? preempt_count_add+0x49/0xa0
[40742.297016]  __btrfs_ioctl_snap_create+0x123/0x190
[40742.297178]  ? _copy_from_user+0x65/0xa0
[40742.297328]  btrfs_ioctl_snap_create_v2+0xbb/0x140
[40742.297485]  btrfs_ioctl+0x105/0x3160
[40742.297625]  ? rcu_read_lock_sched_held+0x12/0x60
[40742.297790]  ? slab_free_freelist_hook.constprop.0+0x5e/0x130
[40742.297968]  ? do_sys_openat2+0x5e/0x140
[40742.298121]  ? kmem_cache_free+0x111/0x510
[40742.298269]  ? __x64_sys_ioctl+0x80/0xb0
[40742.298415]  __x64_sys_ioctl+0x80/0xb0
[40742.298559]  do_syscall_64+0x38/0x90
[40742.298701]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[40742.298862] RIP: 0033:0x7f71f777d4cb
[40742.299016] Code: 89 d8 49 8d 3c 1c 48 f7 d8 49 39 c4 72 b5 e8 1c ff ff ff 85 c0 78 ba 4c 89 e0 5b 5d 41 5c c3 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 7d b9 0c 00 f7 d8 64 89 01 48
[40742.299499] RSP: 002b:00007ffd67cc6a28 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
[40742.299745] RAX: ffffffffffffffda RBX: 00007ffd67cc7a70 RCX: 00007f71f777d4cb
[40742.299942] RDX: 00007ffd67cc6a30 RSI: 0000000050009418 RDI: 0000000000000003
[40742.300155] RBP: 0000000000000003 R08: 0000000000000000 R09: 00007ffd67cc85b6
[40742.305870] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[40742.306076] R13: 00007ffd67cc6a30 R14: 00000000004063d0 R15: 00007f71f76826c8
[40742.306280]  
[40742.306397] irq event stamp: 0
[40742.306527] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[40742.306712] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[40742.306966] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[40742.307227] softirqs last disabled at (0): [<0000000000000000>] 0x0
[40742.307413] ---[ end trace 67ed10e28bfe28b2 ]---
[40742.307619] ------------[ cut here ]------------
[40742.307782] WARNING: CPU: 1 PID: 186904 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[40742.308071] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat ip_set rfkill nf_tables nfnetlink intel_rapl_msr iTCO_wdt iTCO_vendor_support snd_hda_codec_generic intel_rapl_common snd_hda_intel snd_intel_dspcfg joydev snd_hda_codec snd_hwdep snd_hda_core i2c_i801 i2c_smbus snd_pcm snd_timer lpc_ich snd soundcore virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[40742.309491] CPU: 1 PID: 186904 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #536
[40742.309748] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[40742.310021] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[40742.310193] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 60 48 8b 05 58 b5 85 01 e8
[40742.310655] RSP: 0018:ffffbf55c6daf988 EFLAGS: 00010202
[40742.310823] RAX: 000000000000000d RBX: ffff9dab8d0da800 RCX: 0000000000000000
[40742.311031] RDX: 0000000000000001 RSI: ffffffff9f5b5d6a RDI: 00000000ffffffff
[40742.311229] RBP: 0000000000000000 R08: ffff9dabc4822e50 R09: 0000000000000000
[40742.311422] R10: ffff9dabad79c001 R11: ffff9dab83850e08 R12: ffff9daaeee03c98
[40742.311617] R13: ffff9dab9fc8eae0 R14: ffff9dabc4822d68 R15: ffff9dabc4822e10
[40742.311813] FS:  00007f71f7682740(0000) GS:ffff9dabfbd00000(0000) knlGS:0000000000000000
[40742.312069] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[40742.312246] CR2: 00007fe6fd7ef020 CR3: 000000012f7d6004 CR4: 0000000000370ee0
[40742.312445] Call Trace:
[40742.312564]  
[40742.312681]  ? __mutex_lock+0x80/0x8a0
[40742.312826]  ? __mutex_lock+0xda/0x8a0
[40742.312967]  ? lock_release+0x1d0/0x2d0
[40742.313122]  btrfs_run_delayed_refs+0x86/0x210
[40742.313276]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.313436]  btrfs_start_dirty_block_groups+0x2af/0x540
[40742.313600]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.313761]  btrfs_commit_transaction+0x85e/0xad0
[40742.313920]  ? _raw_spin_unlock+0x29/0x40
[40742.314079]  ? btrfs_block_rsv_release+0x1c2/0x1e0
[40742.314240]  create_subvol+0x567/0x9a0
[40742.314385]  btrfs_mksubvol+0x447/0x4c0
[40742.314530]  ? preempt_count_add+0x49/0xa0
[40742.314683]  __btrfs_ioctl_snap_create+0x123/0x190
[40742.314841]  ? _copy_from_user+0x65/0xa0
[40742.314997]  btrfs_ioctl_snap_create_v2+0xbb/0x140
[40742.315160]  btrfs_ioctl+0x105/0x3160
[40742.315302]  ? rcu_read_lock_sched_held+0x12/0x60
[40742.315460]  ? slab_free_freelist_hook.constprop.0+0x5e/0x130
[40742.315633]  ? do_sys_openat2+0x5e/0x140
[40742.316450]  ? kmem_cache_free+0x111/0x510
[40742.316605]  ? __x64_sys_ioctl+0x80/0xb0
[40742.316755]  __x64_sys_ioctl+0x80/0xb0
[40742.316897]  do_syscall_64+0x38/0x90
[40742.317052]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[40742.317220] RIP: 0033:0x7f71f777d4cb
[40742.317358] Code: 89 d8 49 8d 3c 1c 48 f7 d8 49 39 c4 72 b5 e8 1c ff ff ff 85 c0 78 ba 4c 89 e0 5b 5d 41 5c c3 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 7d b9 0c 00 f7 d8 64 89 01 48
[40742.317826] RSP: 002b:00007ffd67cc6a28 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
[40742.318079] RAX: ffffffffffffffda RBX: 00007ffd67cc7a70 RCX: 00007f71f777d4cb
[40742.318276] RDX: 00007ffd67cc6a30 RSI: 0000000050009418 RDI: 0000000000000003
[40742.318472] RBP: 0000000000000003 R08: 0000000000000000 R09: 00007ffd67cc85b6
[40742.318669] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[40742.318869] R13: 00007ffd67cc6a30 R14: 00000000004063d0 R15: 00007f71f76826c8
[40742.319081]  
[40742.319201] irq event stamp: 0
[40742.319331] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[40742.319513] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[40742.319765] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[40742.320027] softirqs last disabled at (0): [<0000000000000000>] 0x0
[40742.320212] ---[ end trace 67ed10e28bfe28b3 ]---
[40742.320423] ------------[ cut here ]------------
[40742.320584] WARNING: CPU: 1 PID: 186904 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[40742.320866] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat ip_set rfkill nf_tables nfnetlink intel_rapl_msr iTCO_wdt iTCO_vendor_support snd_hda_codec_generic intel_rapl_common snd_hda_intel snd_intel_dspcfg joydev snd_hda_codec snd_hwdep snd_hda_core i2c_i801 i2c_smbus snd_pcm snd_timer lpc_ich snd soundcore virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[40742.322288] CPU: 1 PID: 186904 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #536
[40742.322541] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[40742.322805] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[40742.322975] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 60 48 8b 05 58 b5 85 01 e8
[40742.323448] RSP: 0018:ffffbf55c6daf988 EFLAGS: 00010202
[40742.323617] RAX: 000000000000000d RBX: ffff9dab8d0da800 RCX: 0000000000000000
[40742.323814] RDX: 0000000000000001 RSI: ffffffff9f5b5d6a RDI: 00000000ffffffff
[40742.324021] RBP: 0000000000000000 R08: ffff9dab85f86f88 R09: 0000000000000000
[40742.324214] R10: ffff9dabc4822d00 R11: ffff9dab83850e08 R12: ffff9dabc937f3a8
[40742.324409] R13: ffff9dab9fc8eae0 R14: ffff9dab85f86ea0 R15: ffff9dab85f86f48
[40742.324602] FS:  00007f71f7682740(0000) GS:ffff9dabfbd00000(0000) knlGS:0000000000000000
[40742.324853] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[40742.325040] CR2: 00007fe6fd7ef020 CR3: 000000012f7d6004 CR4: 0000000000370ee0
[40742.325241] Call Trace:
[40742.325360]  
[40742.325474]  ? __mutex_lock+0x80/0x8a0
[40742.325618]  ? __mutex_lock+0xda/0x8a0
[40742.325762]  ? lock_release+0x1d0/0x2d0
[40742.325905]  btrfs_run_delayed_refs+0x86/0x210
[40742.326070]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.326232]  btrfs_start_dirty_block_groups+0x2af/0x540
[40742.326399]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.326556]  btrfs_commit_transaction+0x85e/0xad0
[40742.326719]  ? _raw_spin_unlock+0x29/0x40
[40742.326867]  ? btrfs_block_rsv_release+0x1c2/0x1e0
[40742.327038]  create_subvol+0x567/0x9a0
[40742.327184]  btrfs_mksubvol+0x447/0x4c0
[40742.327330]  ? preempt_count_add+0x49/0xa0
[40742.327481]  __btrfs_ioctl_snap_create+0x123/0x190
[40742.327640]  ? _copy_from_user+0x65/0xa0
[40742.327790]  btrfs_ioctl_snap_create_v2+0xbb/0x140
[40742.327953]  btrfs_ioctl+0x105/0x3160
[40742.328107]  ? rcu_read_lock_sched_held+0x12/0x60
[40742.328267]  ? slab_free_freelist_hook.constprop.0+0x5e/0x130
[40742.328444]  ? do_sys_openat2+0x5e/0x140
[40742.328591]  ? kmem_cache_free+0x111/0x510
[40742.328743]  ? __x64_sys_ioctl+0x80/0xb0
[40742.328887]  __x64_sys_ioctl+0x80/0xb0
[40742.329038]  do_syscall_64+0x38/0x90
[40742.329183]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[40742.329349] RIP: 0033:0x7f71f777d4cb
[40742.329487] Code: 89 d8 49 8d 3c 1c 48 f7 d8 49 39 c4 72 b5 e8 1c ff ff ff 85 c0 78 ba 4c 89 e0 5b 5d 41 5c c3 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 7d b9 0c 00 f7 d8 64 89 01 48
[40742.329956] RSP: 002b:00007ffd67cc6a28 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
[40742.330207] RAX: ffffffffffffffda RBX: 00007ffd67cc7a70 RCX: 00007f71f777d4cb
[40742.330403] RDX: 00007ffd67cc6a30 RSI: 0000000050009418 RDI: 0000000000000003
[40742.330599] RBP: 0000000000000003 R08: 0000000000000000 R09: 00007ffd67cc85b6
[40742.330795] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[40742.331009] R13: 00007ffd67cc6a30 R14: 00000000004063d0 R15: 00007f71f76826c8
[40742.331213]  
[40742.331329] irq event stamp: 0
[40742.331458] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[40742.331638] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[40742.331894] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[40742.332156] softirqs last disabled at (0): [<0000000000000000>] 0x0
[40742.332342] ---[ end trace 67ed10e28bfe28b4 ]---
[40742.332543] ------------[ cut here ]------------
[40742.332705] WARNING: CPU: 1 PID: 186904 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[40742.332995] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat ip_set rfkill nf_tables nfnetlink intel_rapl_msr iTCO_wdt iTCO_vendor_support snd_hda_codec_generic intel_rapl_common snd_hda_intel snd_intel_dspcfg joydev snd_hda_codec snd_hwdep snd_hda_core i2c_i801 i2c_smbus snd_pcm snd_timer lpc_ich snd soundcore virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[40742.334404] CPU: 1 PID: 186904 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #536
[40742.334658] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[40742.340409] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[40742.340587] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 60 48 8b 05 58 b5 85 01 e8
[40742.341065] RSP: 0018:ffffbf55c6daf988 EFLAGS: 00010202
[40742.341229] RAX: 000000000000000d RBX: ffff9dab8d0da800 RCX: 0000000000000000
[40742.341426] RDX: 0000000000000001 RSI: ffffffff9f5b5d6a RDI: 00000000ffffffff
[40742.341622] RBP: 0000000000000000 R08: ffff9dab85f86e50 R09: 0000000000000000
[40742.341823] R10: ffff9dab85f86e00 R11: ffff9dab83850e08 R12: ffff9dabc937f6e8
[40742.342030] R13: ffff9dab9fc8eae0 R14: ffff9dab85f86d68 R15: ffff9dab85f86e10
[40742.342231] FS:  00007f71f7682740(0000) GS:ffff9dabfbd00000(0000) knlGS:0000000000000000
[40742.342481] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[40742.342657] CR2: 00007fe6fd7ef020 CR3: 000000012f7d6004 CR4: 0000000000370ee0
[40742.342851] Call Trace:
[40742.342973]  
[40742.343102]  ? __mutex_lock+0x80/0x8a0
[40742.343246]  ? __mutex_lock+0xda/0x8a0
[40742.343391]  ? lock_release+0x1d0/0x2d0
[40742.343537]  btrfs_run_delayed_refs+0x86/0x210
[40742.343690]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.343848]  btrfs_start_dirty_block_groups+0x2af/0x540
[40742.344026]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.344188]  btrfs_commit_transaction+0x85e/0xad0
[40742.344345]  ? _raw_spin_unlock+0x29/0x40
[40742.344490]  ? btrfs_block_rsv_release+0x1c2/0x1e0
[40742.344656]  create_subvol+0x567/0x9a0
[40742.344805]  btrfs_mksubvol+0x447/0x4c0
[40742.344948]  ? preempt_count_add+0x49/0xa0
[40742.345104]  __btrfs_ioctl_snap_create+0x123/0x190
[40742.345266]  ? _copy_from_user+0x65/0xa0
[40742.345413]  btrfs_ioctl_snap_create_v2+0xbb/0x140
[40742.345572]  btrfs_ioctl+0x105/0x3160
[40742.346421]  ? rcu_read_lock_sched_held+0x12/0x60
[40742.346590]  ? slab_free_freelist_hook.constprop.0+0x5e/0x130
[40742.346777]  ? do_sys_openat2+0x5e/0x140
[40742.346923]  ? kmem_cache_free+0x111/0x510
[40742.347083]  ? __x64_sys_ioctl+0x80/0xb0
[40742.347232]  __x64_sys_ioctl+0x80/0xb0
[40742.347381]  do_syscall_64+0x38/0x90
[40742.347535]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[40742.347704] RIP: 0033:0x7f71f777d4cb
[40742.347847] Code: 89 d8 49 8d 3c 1c 48 f7 d8 49 39 c4 72 b5 e8 1c ff ff ff 85 c0 78 ba 4c 89 e0 5b 5d 41 5c c3 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 7d b9 0c 00 f7 d8 64 89 01 48
[40742.348319] RSP: 002b:00007ffd67cc6a28 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
[40742.348561] RAX: ffffffffffffffda RBX: 00007ffd67cc7a70 RCX: 00007f71f777d4cb
[40742.348765] RDX: 00007ffd67cc6a30 RSI: 0000000050009418 RDI: 0000000000000003
[40742.348964] RBP: 0000000000000003 R08: 0000000000000000 R09: 00007ffd67cc85b6
[40742.349172] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[40742.349370] R13: 00007ffd67cc6a30 R14: 00000000004063d0 R15: 00007f71f76826c8
[40742.349568]  
[40742.349686] irq event stamp: 0
[40742.349817] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[40742.350014] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[40742.350263] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[40742.350519] softirqs last disabled at (0): [<0000000000000000>] 0x0
[40742.350704] ---[ end trace 67ed10e28bfe28b5 ]---
[40742.350912] ------------[ cut here ]------------
[40742.351082] WARNING: CPU: 1 PID: 186904 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[40742.351368] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat ip_set rfkill nf_tables nfnetlink intel_rapl_msr iTCO_wdt iTCO_vendor_support snd_hda_codec_generic intel_rapl_common snd_hda_intel snd_intel_dspcfg joydev snd_hda_codec snd_hwdep snd_hda_core i2c_i801 i2c_smbus snd_pcm snd_timer lpc_ich snd soundcore virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[40742.352768] CPU: 1 PID: 186904 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #536
[40742.353037] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[40742.353294] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[40742.353467] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 60 48 8b 05 58 b5 85 01 e8
[40742.353929] RSP: 0018:ffffbf55c6daf988 EFLAGS: 00010202
[40742.354104] RAX: 000000000000000d RBX: ffff9dab8d0da800 RCX: 0000000000000000
[40742.354300] RDX: 0000000000000001 RSI: ffffffff9f5b5d6a RDI: 00000000ffffffff
[40742.354498] RBP: 0000000000000000 R08: ffff9dabad79caa8 R09: 0000000000000000
[40742.354697] R10: ffff9dab85f86d00 R11: ffff9dab83850e08 R12: ffff9dabc937faf8
[40742.354895] R13: ffff9dab9fc8eae0 R14: ffff9dabad79c9c0 R15: ffff9dabad79ca68
[40742.355102] FS:  00007f71f7682740(0000) GS:ffff9dabfbd00000(0000) knlGS:0000000000000000
[40742.355356] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[40742.355527] CR2: 00007fe6fd7ef020 CR3: 000000012f7d6004 CR4: 0000000000370ee0
[40742.355727] Call Trace:
[40742.355850]  
[40742.355966]  ? __mutex_lock+0x80/0x8a0
[40742.356118]  ? __mutex_lock+0xda/0x8a0
[40742.356262]  ? lock_release+0x1d0/0x2d0
[40742.356409]  btrfs_run_delayed_refs+0x86/0x210
[40742.356562]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.356721]  btrfs_start_dirty_block_groups+0x2af/0x540
[40742.356890]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.357063]  btrfs_commit_transaction+0x85e/0xad0
[40742.357221]  ? _raw_spin_unlock+0x29/0x40
[40742.357366]  ? btrfs_block_rsv_release+0x1c2/0x1e0
[40742.357529]  create_subvol+0x567/0x9a0
[40742.357680]  btrfs_mksubvol+0x447/0x4c0
[40742.357825]  ? preempt_count_add+0x49/0xa0
[40742.357974]  __btrfs_ioctl_snap_create+0x123/0x190
[40742.358147]  ? _copy_from_user+0x65/0xa0
[40742.358299]  btrfs_ioctl_snap_create_v2+0xbb/0x140
[40742.358456]  btrfs_ioctl+0x105/0x3160
[40742.358596]  ? rcu_read_lock_sched_held+0x12/0x60
[40742.358763]  ? slab_free_freelist_hook.constprop.0+0x5e/0x130
[40742.358941]  ? do_sys_openat2+0x5e/0x140
[40742.359095]  ? kmem_cache_free+0x111/0x510
[40742.359244]  ? __x64_sys_ioctl+0x80/0xb0
[40742.359392]  __x64_sys_ioctl+0x80/0xb0
[40742.359537]  do_syscall_64+0x38/0x90
[40742.359679]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[40742.359841] RIP: 0033:0x7f71f777d4cb
[40742.359993] Code: 89 d8 49 8d 3c 1c 48 f7 d8 49 39 c4 72 b5 e8 1c ff ff ff 85 c0 78 ba 4c 89 e0 5b 5d 41 5c c3 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 7d b9 0c 00 f7 d8 64 89 01 48
[40742.360454] RSP: 002b:00007ffd67cc6a28 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
[40742.360693] RAX: ffffffffffffffda RBX: 00007ffd67cc7a70 RCX: 00007f71f777d4cb
[40742.360889] RDX: 00007ffd67cc6a30 RSI: 0000000050009418 RDI: 0000000000000003
[40742.361097] RBP: 0000000000000003 R08: 0000000000000000 R09: 00007ffd67cc85b6
[40742.361297] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[40742.361492] R13: 00007ffd67cc6a30 R14: 00000000004063d0 R15: 00007f71f76826c8
[40742.361692]  
[40742.361806] irq event stamp: 0
[40742.361937] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[40742.362139] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[40742.362389] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[40742.362648] softirqs last disabled at (0): [<0000000000000000>] 0x0
[40742.362831] ---[ end trace 67ed10e28bfe28b6 ]---
[40742.363037] ------------[ cut here ]------------
[40742.363193] WARNING: CPU: 1 PID: 186904 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[40742.363476] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat ip_set rfkill nf_tables nfnetlink intel_rapl_msr iTCO_wdt iTCO_vendor_support snd_hda_codec_generic intel_rapl_common snd_hda_intel snd_intel_dspcfg joydev snd_hda_codec snd_hwdep snd_hda_core i2c_i801 i2c_smbus snd_pcm snd_timer lpc_ich snd soundcore virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[40742.364862] CPU: 1 PID: 186904 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #536
[40742.365129] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[40742.365386] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[40742.365558] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 60 48 8b 05 58 b5 85 01 e8
[40742.366031] RSP: 0018:ffffbf55c6daf988 EFLAGS: 00010202
[40742.366197] RAX: 000000000000000d RBX: ffff9dab8d0da800 RCX: 0000000000000000
[40742.366394] RDX: 0000000000000001 RSI: ffffffff9f5b5d6a RDI: 00000000ffffffff
[40742.366592] RBP: 0000000000000000 R08: ffff9dabdd6a25c8 R09: 0000000000000000
[40742.366792] R10: ffff9dabad79c900 R11: ffff9dab83850e08 R12: ffff9dabc937f1a0
[40742.367000] R13: ffff9dab9fc8eae0 R14: ffff9dabdd6a24e0 R15: ffff9dabdd6a2588
[40742.367199] FS:  00007f71f7682740(0000) GS:ffff9dabfbd00000(0000) knlGS:0000000000000000
[40742.367451] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[40742.367622] CR2: 00007fe6fd7ef020 CR3: 000000012f7d6004 CR4: 0000000000370ee0
[40742.367824] Call Trace:
[40742.367945]  
[40742.368073]  ? __mutex_lock+0x80/0x8a0
[40742.368215]  ? __mutex_lock+0xda/0x8a0
[40742.368359]  ? lock_release+0x1d0/0x2d0
[40742.368505]  btrfs_run_delayed_refs+0x86/0x210
[40742.368661]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.368818]  btrfs_start_dirty_block_groups+0x2af/0x540
[40742.368997]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.369158]  btrfs_commit_transaction+0x85e/0xad0
[40742.369312]  ? _raw_spin_unlock+0x29/0x40
[40742.374974]  ? btrfs_block_rsv_release+0x1c2/0x1e0
[40742.375146]  create_subvol+0x567/0x9a0
[40742.375292]  btrfs_mksubvol+0x447/0x4c0
[40742.375438]  ? preempt_count_add+0x49/0xa0
[40742.375589]  __btrfs_ioctl_snap_create+0x123/0x190
[40742.376503]  ? _copy_from_user+0x65/0xa0
[40742.376660]  btrfs_ioctl_snap_create_v2+0xbb/0x140
[40742.376824]  btrfs_ioctl+0x105/0x3160
[40742.376968]  ? rcu_read_lock_sched_held+0x12/0x60
[40742.377137]  ? slab_free_freelist_hook.constprop.0+0x5e/0x130
[40742.377313]  ? do_sys_openat2+0x5e/0x140
[40742.377458]  ? kmem_cache_free+0x111/0x510
[40742.377608]  ? __x64_sys_ioctl+0x80/0xb0
[40742.377757]  __x64_sys_ioctl+0x80/0xb0
[40742.377900]  do_syscall_64+0x38/0x90
[40742.378053]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[40742.378220] RIP: 0033:0x7f71f777d4cb
[40742.378359] Code: 89 d8 49 8d 3c 1c 48 f7 d8 49 39 c4 72 b5 e8 1c ff ff ff 85 c0 78 ba 4c 89 e0 5b 5d 41 5c c3 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 7d b9 0c 00 f7 d8 64 89 01 48
[40742.378823] RSP: 002b:00007ffd67cc6a28 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
[40742.379073] RAX: ffffffffffffffda RBX: 00007ffd67cc7a70 RCX: 00007f71f777d4cb
[40742.379270] RDX: 00007ffd67cc6a30 RSI: 0000000050009418 RDI: 0000000000000003
[40742.379464] RBP: 0000000000000003 R08: 0000000000000000 R09: 00007ffd67cc85b6
[40742.379662] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[40742.379857] R13: 00007ffd67cc6a30 R14: 00000000004063d0 R15: 00007f71f76826c8
[40742.380067]  
[40742.380189] irq event stamp: 0
[40742.380318] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[40742.380498] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[40742.380752] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[40742.381016] softirqs last disabled at (0): [<0000000000000000>] 0x0
[40742.381201] ---[ end trace 67ed10e28bfe28b7 ]---
[40742.381433] ------------[ cut here ]------------
[40742.381592] WARNING: CPU: 1 PID: 186904 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[40742.381886] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat ip_set rfkill nf_tables nfnetlink intel_rapl_msr iTCO_wdt iTCO_vendor_support snd_hda_codec_generic intel_rapl_common snd_hda_intel snd_intel_dspcfg joydev snd_hda_codec snd_hwdep snd_hda_core i2c_i801 i2c_smbus snd_pcm snd_timer lpc_ich snd soundcore virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[40742.383303] CPU: 1 PID: 186904 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #536
[40742.383554] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[40742.383820] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[40742.384004] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 60 48 8b 05 58 b5 85 01 e8
[40742.384472] RSP: 0018:ffffbf55c6daf988 EFLAGS: 00010202
[40742.384638] RAX: 000000000000000d RBX: ffff9dab8d0da800 RCX: 0000000000000000
[40742.384838] RDX: 0000000000000001 RSI: ffffffff9f5b5d6a RDI: 00000000ffffffff
[40742.385044] RBP: 0000000000000000 R08: ffff9dabad79cd18 R09: 0000000000000000
[40742.385240] R10: ffff9dabdd6a2400 R11: ffff9dab83850e08 R12: ffff9dabc937f2d8
[40742.385434] R13: ffff9dab9fc8eae0 R14: ffff9dabad79cc30 R15: ffff9dabad79ccd8
[40742.385627] FS:  00007f71f7682740(0000) GS:ffff9dabfbd00000(0000) knlGS:0000000000000000
[40742.385879] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[40742.386065] CR2: 00007fe6fd7ef020 CR3: 000000012f7d6004 CR4: 0000000000370ee0
[40742.386266] Call Trace:
[40742.386384]  
[40742.386500]  ? __mutex_lock+0x80/0x8a0
[40742.386647]  ? __mutex_lock+0xda/0x8a0
[40742.386789]  ? lock_release+0x1d0/0x2d0
[40742.386931]  btrfs_run_delayed_refs+0x86/0x210
[40742.387097]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.387259]  btrfs_start_dirty_block_groups+0x2af/0x540
[40742.387424]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.387580]  btrfs_commit_transaction+0x85e/0xad0
[40742.387743]  ? _raw_spin_unlock+0x29/0x40
[40742.387891]  ? btrfs_block_rsv_release+0x1c2/0x1e0
[40742.388061]  create_subvol+0x567/0x9a0
[40742.388208]  btrfs_mksubvol+0x447/0x4c0
[40742.388354]  ? preempt_count_add+0x49/0xa0
[40742.388505]  __btrfs_ioctl_snap_create+0x123/0x190
[40742.388665]  ? _copy_from_user+0x65/0xa0
[40742.388811]  btrfs_ioctl_snap_create_v2+0xbb/0x140
[40742.388971]  btrfs_ioctl+0x105/0x3160
[40742.389127]  ? rcu_read_lock_sched_held+0x12/0x60
[40742.389285]  ? slab_free_freelist_hook.constprop.0+0x5e/0x130
[40742.389496]  ? do_sys_openat2+0x5e/0x140
[40742.389646]  ? kmem_cache_free+0x111/0x510
[40742.389796]  ? __x64_sys_ioctl+0x80/0xb0
[40742.389941]  __x64_sys_ioctl+0x80/0xb0
[40742.390093]  do_syscall_64+0x38/0x90
[40742.390236]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[40742.390401] RIP: 0033:0x7f71f777d4cb
[40742.390538] Code: 89 d8 49 8d 3c 1c 48 f7 d8 49 39 c4 72 b5 e8 1c ff ff ff 85 c0 78 ba 4c 89 e0 5b 5d 41 5c c3 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 7d b9 0c 00 f7 d8 64 89 01 48
[40742.391016] RSP: 002b:00007ffd67cc6a28 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
[40742.391257] RAX: ffffffffffffffda RBX: 00007ffd67cc7a70 RCX: 00007f71f777d4cb
[40742.391453] RDX: 00007ffd67cc6a30 RSI: 0000000050009418 RDI: 0000000000000003
[40742.391650] RBP: 0000000000000003 R08: 0000000000000000 R09: 00007ffd67cc85b6
[40742.391843] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[40742.392054] R13: 00007ffd67cc6a30 R14: 00000000004063d0 R15: 00007f71f76826c8
[40742.392258]  
[40742.392375] irq event stamp: 0
[40742.392501] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[40742.392685] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[40742.392941] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[40742.393205] softirqs last disabled at (0): [<0000000000000000>] 0x0
[40742.393391] ---[ end trace 67ed10e28bfe28b8 ]---
[40742.393610] ------------[ cut here ]------------
[40742.393772] WARNING: CPU: 1 PID: 186904 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[40742.394061] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat ip_set rfkill nf_tables nfnetlink intel_rapl_msr iTCO_wdt iTCO_vendor_support snd_hda_codec_generic intel_rapl_common snd_hda_intel snd_intel_dspcfg joydev snd_hda_codec snd_hwdep snd_hda_core i2c_i801 i2c_smbus snd_pcm snd_timer lpc_ich snd soundcore virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[40742.395475] CPU: 1 PID: 186904 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #536
[40742.395732] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[40742.396004] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[40742.396178] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 60 48 8b 05 58 b5 85 01 e8
[40742.396644] RSP: 0018:ffffbf55c6daf988 EFLAGS: 00010202
[40742.396811] RAX: 000000000000000d RBX: ffff9dab8d0da800 RCX: 0000000000000000
[40742.397017] RDX: 0000000000000001 RSI: ffffffff9f5b5d6a RDI: 00000000ffffffff
[40742.397212] RBP: 0000000000000000 R08: ffff9dabaeac4aa8 R09: 0000000000000000
[40742.397407] R10: ffff9dabad79cc00 R11: ffff9dab83850e08 R12: ffff9dabc937f7b8
[40742.397599] R13: ffff9dab9fc8eae0 R14: ffff9dabaeac49c0 R15: ffff9dabaeac4a68
[40742.397797] FS:  00007f71f7682740(0000) GS:ffff9dabfbd00000(0000) knlGS:0000000000000000
[40742.398052] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[40742.398228] CR2: 00007fe6fd7ef020 CR3: 000000012f7d6004 CR4: 0000000000370ee0
[40742.398421] Call Trace:
[40742.398540]  
[40742.398657]  ? __mutex_lock+0x80/0x8a0
[40742.398802]  ? __mutex_lock+0xda/0x8a0
[40742.398942]  ? lock_release+0x1d0/0x2d0
[40742.399096]  btrfs_run_delayed_refs+0x86/0x210
[40742.399253]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.399413]  btrfs_start_dirty_block_groups+0x2af/0x540
[40742.399577]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.399738]  btrfs_commit_transaction+0x85e/0xad0
[40742.399896]  ? _raw_spin_unlock+0x29/0x40
[40742.400056]  ? btrfs_block_rsv_release+0x1c2/0x1e0
[40742.400217]  create_subvol+0x567/0x9a0
[40742.400363]  btrfs_mksubvol+0x447/0x4c0
[40742.400509]  ? preempt_count_add+0x49/0xa0
[40742.400661]  __btrfs_ioctl_snap_create+0x123/0x190
[40742.400819]  ? _copy_from_user+0x65/0xa0
[40742.400967]  btrfs_ioctl_snap_create_v2+0xbb/0x140
[40742.401141]  btrfs_ioctl+0x105/0x3160
[40742.401286]  ? rcu_read_lock_sched_held+0x12/0x60
[40742.401444]  ? slab_free_freelist_hook.constprop.0+0x5e/0x130
[40742.401617]  ? do_sys_openat2+0x5e/0x140
[40742.401768]  ? kmem_cache_free+0x111/0x510
[40742.401920]  ? __x64_sys_ioctl+0x80/0xb0
[40742.402075]  __x64_sys_ioctl+0x80/0xb0
[40742.402218]  do_syscall_64+0x38/0x90
[40742.402359]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[40742.402523] RIP: 0033:0x7f71f777d4cb
[40742.402665] Code: 89 d8 49 8d 3c 1c 48 f7 d8 49 39 c4 72 b5 e8 1c ff ff ff 85 c0 78 ba 4c 89 e0 5b 5d 41 5c c3 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 7d b9 0c 00 f7 d8 64 89 01 48
[40742.403141] RSP: 002b:00007ffd67cc6a28 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
[40742.403385] RAX: ffffffffffffffda RBX: 00007ffd67cc7a70 RCX: 00007f71f777d4cb
[40742.403580] RDX: 00007ffd67cc6a30 RSI: 0000000050009418 RDI: 0000000000000003
[40742.403777] RBP: 0000000000000003 R08: 0000000000000000 R09: 00007ffd67cc85b6
[40742.403988] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[40742.410460] R13: 00007ffd67cc6a30 R14: 00000000004063d0 R15: 00007f71f76826c8
[40742.410665]  
[40742.410781] irq event stamp: 0
[40742.410913] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[40742.411108] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[40742.411362] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[40742.411619] softirqs last disabled at (0): [<0000000000000000>] 0x0
[40742.411814] ---[ end trace 67ed10e28bfe28b9 ]---
[40742.412042] ------------[ cut here ]------------
[40742.412199] WARNING: CPU: 1 PID: 186904 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[40742.412482] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat ip_set rfkill nf_tables nfnetlink intel_rapl_msr iTCO_wdt iTCO_vendor_support snd_hda_codec_generic intel_rapl_common snd_hda_intel snd_intel_dspcfg joydev snd_hda_codec snd_hwdep snd_hda_core i2c_i801 i2c_smbus snd_pcm snd_timer lpc_ich snd soundcore virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[40742.413869] CPU: 1 PID: 186904 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #536
[40742.414137] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[40742.414391] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[40742.414564] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 60 48 8b 05 58 b5 85 01 e8
[40742.415040] RSP: 0018:ffffbf55c6daf988 EFLAGS: 00010202
[40742.415205] RAX: 000000000000000d RBX: ffff9dab8d0da800 RCX: 0000000000000000
[40742.415396] RDX: 0000000000000001 RSI: ffffffff9f5b5d6a RDI: 00000000ffffffff
[40742.415595] RBP: 0000000000000000 R08: ffff9dabaeac4970 R09: 0000000000000000
[40742.415794] R10: ffff9dabaeac4900 R11: ffff9dab83850e08 R12: ffff9dabc937fe38
[40742.416002] R13: ffff9dab9fc8eae0 R14: ffff9dabaeac4888 R15: ffff9dabaeac4930
[40742.416200] FS:  00007f71f7682740(0000) GS:ffff9dabfbd00000(0000) knlGS:0000000000000000
[40742.416450] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[40742.416623] CR2: 00007fe6fd7ef020 CR3: 000000012f7d6004 CR4: 0000000000370ee0
[40742.416822] Call Trace:
[40742.416945]  
[40742.417073]  ? __mutex_lock+0x80/0x8a0
[40742.417215]  ? __mutex_lock+0xda/0x8a0
[40742.417358]  ? lock_release+0x1d0/0x2d0
[40742.417503]  btrfs_run_delayed_refs+0x86/0x210
[40742.417658]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.417815]  btrfs_start_dirty_block_groups+0x2af/0x540
[40742.417995]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.418156]  btrfs_commit_transaction+0x85e/0xad0
[40742.418310]  ? _raw_spin_unlock+0x29/0x40
[40742.418456]  ? btrfs_block_rsv_release+0x1c2/0x1e0
[40742.418617]  create_subvol+0x567/0x9a0
[40742.418768]  btrfs_mksubvol+0x447/0x4c0
[40742.418910]  ? preempt_count_add+0x49/0xa0
[40742.419069]  __btrfs_ioctl_snap_create+0x123/0x190
[40742.419231]  ? _copy_from_user+0x65/0xa0
[40742.419378]  btrfs_ioctl_snap_create_v2+0xbb/0x140
[40742.419536]  btrfs_ioctl+0x105/0x3160
[40742.419679]  ? rcu_read_lock_sched_held+0x12/0x60
[40742.419837]  ? slab_free_freelist_hook.constprop.0+0x5e/0x130
[40742.420024]  ? do_sys_openat2+0x5e/0x140
[40742.420169]  ? kmem_cache_free+0x111/0x510
[40742.420317]  ? __x64_sys_ioctl+0x80/0xb0
[40742.420464]  __x64_sys_ioctl+0x80/0xb0
[40742.420606]  do_syscall_64+0x38/0x90
[40742.420748]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[40742.420909] RIP: 0033:0x7f71f777d4cb
[40742.421062] Code: 89 d8 49 8d 3c 1c 48 f7 d8 49 39 c4 72 b5 e8 1c ff ff ff 85 c0 78 ba 4c 89 e0 5b 5d 41 5c c3 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 7d b9 0c 00 f7 d8 64 89 01 48
[40742.421519] RSP: 002b:00007ffd67cc6a28 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
[40742.421759] RAX: ffffffffffffffda RBX: 00007ffd67cc7a70 RCX: 00007f71f777d4cb
[40742.421956] RDX: 00007ffd67cc6a30 RSI: 0000000050009418 RDI: 0000000000000003
[40742.422163] RBP: 0000000000000003 R08: 0000000000000000 R09: 00007ffd67cc85b6
[40742.422362] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[40742.422554] R13: 00007ffd67cc6a30 R14: 00000000004063d0 R15: 00007f71f76826c8
[40742.422756]  
[40742.422870] irq event stamp: 0
[40742.423010] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[40742.423195] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[40742.423446] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[40742.423701] softirqs last disabled at (0): [<0000000000000000>] 0x0
[40742.423882] ---[ end trace 67ed10e28bfe28ba ]---
[40742.424088] ------------[ cut here ]------------
[40742.424245] WARNING: CPU: 1 PID: 186904 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[40742.424526] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat ip_set rfkill nf_tables nfnetlink intel_rapl_msr iTCO_wdt iTCO_vendor_support snd_hda_codec_generic intel_rapl_common snd_hda_intel snd_intel_dspcfg joydev snd_hda_codec snd_hwdep snd_hda_core i2c_i801 i2c_smbus snd_pcm snd_timer lpc_ich snd soundcore virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[40742.425910] CPU: 1 PID: 186904 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #536
[40742.426177] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[40742.426432] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[40742.426604] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 60 48 8b 05 58 b5 85 01 e8
[40742.427078] RSP: 0018:ffffbf55c6daf988 EFLAGS: 00010202
[40742.427242] RAX: 000000000000000d RBX: ffff9dab8d0da800 RCX: 0000000000000000
[40742.427436] RDX: 0000000000000001 RSI: ffffffff9f5b5d6a RDI: 00000000ffffffff
[40742.427634] RBP: 0000000000000000 R08: ffff9dab85f86220 R09: 0000000000000000
[40742.427833] R10: ffff9dabaeac4800 R11: ffff9dab83850e08 R12: ffff9dabc937f208
[40742.428040] R13: ffff9dab9fc8eae0 R14: ffff9dab85f86138 R15: ffff9dab85f861e0
[40742.428240] FS:  00007f71f7682740(0000) GS:ffff9dabfbd00000(0000) knlGS:0000000000000000
[40742.428490] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[40742.428665] CR2: 00007fe6fd7ef020 CR3: 000000012f7d6004 CR4: 0000000000370ee0
[40742.428859] Call Trace:
[40742.428991]  
[40742.429110]  ? __mutex_lock+0x80/0x8a0
[40742.429251]  ? __mutex_lock+0xda/0x8a0
[40742.429395]  ? lock_release+0x1d0/0x2d0
[40742.429543]  btrfs_run_delayed_refs+0x86/0x210
[40742.429698]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.429855]  btrfs_start_dirty_block_groups+0x2af/0x540
[40742.430032]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.430196]  btrfs_commit_transaction+0x85e/0xad0
[40742.430351]  ? _raw_spin_unlock+0x29/0x40
[40742.430496]  ? btrfs_block_rsv_release+0x1c2/0x1e0
[40742.430661]  create_subvol+0x567/0x9a0
[40742.430811]  btrfs_mksubvol+0x447/0x4c0
[40742.430953]  ? preempt_count_add+0x49/0xa0
[40742.431109]  __btrfs_ioctl_snap_create+0x123/0x190
[40742.431272]  ? _copy_from_user+0x65/0xa0
[40742.431417]  btrfs_ioctl_snap_create_v2+0xbb/0x140
[40742.431575]  btrfs_ioctl+0x105/0x3160
[40742.431717]  ? rcu_read_lock_sched_held+0x12/0x60
[40742.431877]  ? slab_free_freelist_hook.constprop.0+0x5e/0x130
[40742.432062]  ? do_sys_openat2+0x5e/0x140
[40742.432208]  ? kmem_cache_free+0x111/0x510
[40742.432356]  ? __x64_sys_ioctl+0x80/0xb0
[40742.432501]  __x64_sys_ioctl+0x80/0xb0
[40742.432646]  do_syscall_64+0x38/0x90
[40742.432784]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[40742.432945] RIP: 0033:0x7f71f777d4cb
[40742.433095] Code: 89 d8 49 8d 3c 1c 48 f7 d8 49 39 c4 72 b5 e8 1c ff ff ff 85 c0 78 ba 4c 89 e0 5b 5d 41 5c c3 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 7d b9 0c 00 f7 d8 64 89 01 48
[40742.433553] RSP: 002b:00007ffd67cc6a28 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
[40742.433794] RAX: ffffffffffffffda RBX: 00007ffd67cc7a70 RCX: 00007f71f777d4cb
[40742.434002] RDX: 00007ffd67cc6a30 RSI: 0000000050009418 RDI: 0000000000000003
[40742.434198] RBP: 0000000000000003 R08: 0000000000000000 R09: 00007ffd67cc85b6
[40742.434392] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[40742.434583] R13: 00007ffd67cc6a30 R14: 00000000004063d0 R15: 00007f71f76826c8
[40742.434787]  
[40742.434902] irq event stamp: 0
[40742.435044] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[40742.435229] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[40742.435478] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[40742.436427] softirqs last disabled at (0): [<0000000000000000>] 0x0
[40742.436609] ---[ end trace 67ed10e28bfe28bb ]---
[40742.436820] ------------[ cut here ]------------
[40742.436988] WARNING: CPU: 1 PID: 186904 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[40742.437269] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat ip_set rfkill nf_tables nfnetlink intel_rapl_msr iTCO_wdt iTCO_vendor_support snd_hda_codec_generic intel_rapl_common snd_hda_intel snd_intel_dspcfg joydev snd_hda_codec snd_hwdep snd_hda_core i2c_i801 i2c_smbus snd_pcm snd_timer lpc_ich snd soundcore virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[40742.438657] CPU: 1 PID: 186904 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #536
[40742.438914] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[40742.444706] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[40742.444879] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 60 48 8b 05 58 b5 85 01 e8
[40742.445349] RSP: 0018:ffffbf55c6daf988 EFLAGS: 00010202
[40742.445518] RAX: 000000000000000d RBX: ffff9dab8d0da800 RCX: 0000000000000000
[40742.445718] RDX: 0000000000000001 RSI: ffffffff9f5b5d6a RDI: 00000000ffffffff
[40742.445917] RBP: 0000000000000000 R08: ffff9dabb6d1f700 R09: 0000000000000000
[40742.446120] R10: ffff9dab85f86100 R11: ffff9dab83850e08 R12: ffff9dabdc5ff138
[40742.446315] R13: ffff9dab9fc8eae0 R14: ffff9dabb6d1f618 R15: ffff9dabb6d1f6c0
[40742.446506] FS:  00007f71f7682740(0000) GS:ffff9dabfbd00000(0000) knlGS:0000000000000000
[40742.446757] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[40742.446931] CR2: 00007fe6fd7ef020 CR3: 000000012f7d6004 CR4: 0000000000370ee0
[40742.447141] Call Trace:
[40742.447263]  
[40742.447378]  ? __mutex_lock+0x80/0x8a0
[40742.447521]  ? __mutex_lock+0xda/0x8a0
[40742.447663]  ? lock_release+0x1d0/0x2d0
[40742.447805]  btrfs_run_delayed_refs+0x86/0x210
[40742.447959]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.448136]  btrfs_start_dirty_block_groups+0x2af/0x540
[40742.448304]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.448459]  btrfs_commit_transaction+0x85e/0xad0
[40742.448618]  ? _raw_spin_unlock+0x29/0x40
[40742.448769]  ? btrfs_block_rsv_release+0x1c2/0x1e0
[40742.448927]  create_subvol+0x567/0x9a0
[40742.449084]  btrfs_mksubvol+0x447/0x4c0
[40742.449231]  ? preempt_count_add+0x49/0xa0
[40742.449383]  __btrfs_ioctl_snap_create+0x123/0x190
[40742.449538]  ? _copy_from_user+0x65/0xa0
[40742.449687]  btrfs_ioctl_snap_create_v2+0xbb/0x140
[40742.449847]  btrfs_ioctl+0x105/0x3160
[40742.450000]  ? rcu_read_lock_sched_held+0x12/0x60
[40742.450159]  ? slab_free_freelist_hook.constprop.0+0x5e/0x130
[40742.450333]  ? do_sys_openat2+0x5e/0x140
[40742.450477]  ? kmem_cache_free+0x111/0x510
[40742.450626]  ? __x64_sys_ioctl+0x80/0xb0
[40742.450772]  __x64_sys_ioctl+0x80/0xb0
[40742.450912]  do_syscall_64+0x38/0x90
[40742.451065]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[40742.451230] RIP: 0033:0x7f71f777d4cb
[40742.451368] Code: 89 d8 49 8d 3c 1c 48 f7 d8 49 39 c4 72 b5 e8 1c ff ff ff 85 c0 78 ba 4c 89 e0 5b 5d 41 5c c3 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 7d b9 0c 00 f7 d8 64 89 01 48
[40742.451831] RSP: 002b:00007ffd67cc6a28 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
[40742.452083] RAX: ffffffffffffffda RBX: 00007ffd67cc7a70 RCX: 00007f71f777d4cb
[40742.452277] RDX: 00007ffd67cc6a30 RSI: 0000000050009418 RDI: 0000000000000003
[40742.452471] RBP: 0000000000000003 R08: 0000000000000000 R09: 00007ffd67cc85b6
[40742.452665] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[40742.452861] R13: 00007ffd67cc6a30 R14: 00000000004063d0 R15: 00007f71f76826c8
[40742.453070]  
[40742.453189] irq event stamp: 0
[40742.453317] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[40742.453497] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[40742.453751] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[40742.454014] softirqs last disabled at (0): [<0000000000000000>] 0x0
[40742.454198] ---[ end trace 67ed10e28bfe28bc ]---
[40742.454422] ------------[ cut here ]------------
[40742.454582] WARNING: CPU: 1 PID: 186904 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[40742.454863] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat ip_set rfkill nf_tables nfnetlink intel_rapl_msr iTCO_wdt iTCO_vendor_support snd_hda_codec_generic intel_rapl_common snd_hda_intel snd_intel_dspcfg joydev snd_hda_codec snd_hwdep snd_hda_core i2c_i801 i2c_smbus snd_pcm snd_timer lpc_ich snd soundcore virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[40742.456289] CPU: 1 PID: 186904 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #536
[40742.456542] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[40742.456804] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[40742.456987] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 60 48 8b 05 58 b5 85 01 e8
[40742.457452] RSP: 0018:ffffbf55c6daf988 EFLAGS: 00010202
[40742.457621] RAX: 000000000000000d RBX: ffff9dab8d0da800 RCX: 0000000000000000
[40742.457821] RDX: 0000000000000001 RSI: ffffffff9f5b5d6a RDI: 00000000ffffffff
[40742.458024] RBP: 0000000000000000 R08: ffff9dabdd6a2358 R09: 0000000000000000
[40742.458219] R10: ffff9dabb6d1f618 R11: ffff9dab83850e08 R12: ffff9daaeee03ea0
[40742.458414] R13: ffff9dab9fc8eae0 R14: ffff9dabdd6a2270 R15: ffff9dabdd6a2318
[40742.458608] FS:  00007f71f7682740(0000) GS:ffff9dabfbd00000(0000) knlGS:0000000000000000
[40742.458858] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[40742.459042] CR2: 00007fe6fd7ef020 CR3: 000000012f7d6004 CR4: 0000000000370ee0
[40742.459242] Call Trace:
[40742.459361]  
[40742.459475]  ? __mutex_lock+0x80/0x8a0
[40742.459619]  ? __mutex_lock+0xda/0x8a0
[40742.459764]  ? lock_release+0x1d0/0x2d0
[40742.459908]  btrfs_run_delayed_refs+0x86/0x210
[40742.460072]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.460233]  btrfs_start_dirty_block_groups+0x2af/0x540
[40742.460397]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.460554]  btrfs_commit_transaction+0x85e/0xad0
[40742.460716]  ? _raw_spin_unlock+0x29/0x40
[40742.460865]  ? btrfs_block_rsv_release+0x1c2/0x1e0
[40742.461032]  create_subvol+0x567/0x9a0
[40742.461178]  btrfs_mksubvol+0x447/0x4c0
[40742.461322]  ? preempt_count_add+0x49/0xa0
[40742.461473]  __btrfs_ioctl_snap_create+0x123/0x190
[40742.461631]  ? _copy_from_user+0x65/0xa0
[40742.461778]  btrfs_ioctl_snap_create_v2+0xbb/0x140
[40742.461940]  btrfs_ioctl+0x105/0x3160
[40742.462090]  ? rcu_read_lock_sched_held+0x12/0x60
[40742.462250]  ? slab_free_freelist_hook.constprop.0+0x5e/0x130
[40742.462421]  ? do_sys_openat2+0x5e/0x140
[40742.462568]  ? kmem_cache_free+0x111/0x510
[40742.462724]  ? __x64_sys_ioctl+0x80/0xb0
[40742.462867]  __x64_sys_ioctl+0x80/0xb0
[40742.463016]  do_syscall_64+0x38/0x90
[40742.463159]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[40742.463322] RIP: 0033:0x7f71f777d4cb
[40742.463459] Code: 89 d8 49 8d 3c 1c 48 f7 d8 49 39 c4 72 b5 e8 1c ff ff ff 85 c0 78 ba 4c 89 e0 5b 5d 41 5c c3 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 7d b9 0c 00 f7 d8 64 89 01 48
[40742.463922] RSP: 002b:00007ffd67cc6a28 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
[40742.464172] RAX: ffffffffffffffda RBX: 00007ffd67cc7a70 RCX: 00007f71f777d4cb
[40742.464368] RDX: 00007ffd67cc6a30 RSI: 0000000050009418 RDI: 0000000000000003
[40742.464560] RBP: 0000000000000003 R08: 0000000000000000 R09: 00007ffd67cc85b6
[40742.464759] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[40742.464956] R13: 00007ffd67cc6a30 R14: 00000000004063d0 R15: 00007f71f76826c8
[40742.465166]  
[40742.465284] irq event stamp: 0
[40742.465411] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[40742.465592] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[40742.466477] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[40742.466730] softirqs last disabled at (0): [<0000000000000000>] 0x0
[40742.466915] ---[ end trace 67ed10e28bfe28bd ]---
[40742.468197] ------------[ cut here ]------------
[40742.468364] WARNING: CPU: 1 PID: 186904 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[40742.468645] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat ip_set rfkill nf_tables nfnetlink intel_rapl_msr iTCO_wdt iTCO_vendor_support snd_hda_codec_generic intel_rapl_common snd_hda_intel snd_intel_dspcfg joydev snd_hda_codec snd_hwdep snd_hda_core i2c_i801 i2c_smbus snd_pcm snd_timer lpc_ich snd soundcore virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[40742.470055] CPU: 1 PID: 186904 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #536
[40742.470308] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[40742.470566] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[40742.470743] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 60 48 8b 05 58 b5 85 01 e8
[40742.471215] RSP: 0018:ffffbf55c6daf988 EFLAGS: 00010202
[40742.471384] RAX: 000000000000000d RBX: ffff9dab8d0da800 RCX: 0000000000000000
[40742.471581] RDX: 0000000000000001 RSI: ffffffff9f5b5d6a RDI: 00000000ffffffff
[40742.471788] RBP: 0000000000000000 R08: ffff9dabad79c490 R09: 0000000000000000
[40742.471993] R10: ffff9dabdd6a2200 R11: ffff9dab83850e08 R12: ffff9dabc937fa28
[40742.472188] R13: ffff9dab9fc8eae0 R14: ffff9dabad79c3a8 R15: ffff9dabad79c450
[40742.472384] FS:  00007f71f7682740(0000) GS:ffff9dabfbd00000(0000) knlGS:0000000000000000
[40742.472626] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[40742.472806] CR2: 00007fe6fd5f6860 CR3: 000000012f7d6004 CR4: 0000000000370ee0
[40742.473012] Call Trace:
[40742.473133]  
[40742.473249]  ? __mutex_lock+0x80/0x8a0
[40742.473393]  ? __mutex_lock+0xda/0x8a0
[40742.473534]  ? lock_release+0x1d0/0x2d0
[40742.473682]  btrfs_run_delayed_refs+0x86/0x210
[40742.473839]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.474008]  btrfs_start_dirty_block_groups+0x2af/0x540
[40742.474175]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.474332]  btrfs_commit_transaction+0x85e/0xad0
[40742.474490]  ? _raw_spin_unlock+0x29/0x40
[40742.474644]  ? btrfs_block_rsv_release+0x1c2/0x1e0
[40742.480310]  create_subvol+0x567/0x9a0
[40742.480461]  btrfs_mksubvol+0x447/0x4c0
[40742.480604]  ? preempt_count_add+0x49/0xa0
[40742.480754]  __btrfs_ioctl_snap_create+0x123/0x190
[40742.480915]  ? _copy_from_user+0x65/0xa0
[40742.481072]  btrfs_ioctl_snap_create_v2+0xbb/0x140
[40742.481231]  btrfs_ioctl+0x105/0x3160
[40742.481370]  ? rcu_read_lock_sched_held+0x12/0x60
[40742.481530]  ? slab_free_freelist_hook.constprop.0+0x5e/0x130
[40742.481711]  ? do_sys_openat2+0x5e/0x140
[40742.481863]  ? kmem_cache_free+0x111/0x510
[40742.482021]  ? __x64_sys_ioctl+0x80/0xb0
[40742.482170]  __x64_sys_ioctl+0x80/0xb0
[40742.482315]  do_syscall_64+0x38/0x90
[40742.482452]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[40742.482614] RIP: 0033:0x7f71f777d4cb
[40742.482758] Code: 89 d8 49 8d 3c 1c 48 f7 d8 49 39 c4 72 b5 e8 1c ff ff ff 85 c0 78 ba 4c 89 e0 5b 5d 41 5c c3 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 7d b9 0c 00 f7 d8 64 89 01 48
[40742.483232] RSP: 002b:00007ffd67cc6a28 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
[40742.483473] RAX: ffffffffffffffda RBX: 00007ffd67cc7a70 RCX: 00007f71f777d4cb
[40742.483674] RDX: 00007ffd67cc6a30 RSI: 0000000050009418 RDI: 0000000000000003
[40742.483872] RBP: 0000000000000003 R08: 0000000000000000 R09: 00007ffd67cc85b6
[40742.484079] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[40742.484277] R13: 00007ffd67cc6a30 R14: 00000000004063d0 R15: 00007f71f76826c8
[40742.484473]  
[40742.484588] irq event stamp: 0
[40742.484723] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[40742.484908] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[40742.485170] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[40742.485427] softirqs last disabled at (0): [<0000000000000000>] 0x0
[40742.485607] ---[ end trace 67ed10e28bfe28be ]---
[40742.486840] ------------[ cut here ]------------
[40742.487045] WARNING: CPU: 1 PID: 186904 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[40742.487334] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat ip_set rfkill nf_tables nfnetlink intel_rapl_msr iTCO_wdt iTCO_vendor_support snd_hda_codec_generic intel_rapl_common snd_hda_intel snd_intel_dspcfg joydev snd_hda_codec snd_hwdep snd_hda_core i2c_i801 i2c_smbus snd_pcm snd_timer lpc_ich snd soundcore virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[40742.488724] CPU: 1 PID: 186904 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #536
[40742.488991] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[40742.489247] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[40742.489420] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 60 48 8b 05 58 b5 85 01 e8
[40742.489888] RSP: 0018:ffffbf55c6daf988 EFLAGS: 00010202
[40742.490063] RAX: 000000000000000d RBX: ffff9dab8d0da800 RCX: 0000000000000000
[40742.490258] RDX: 0000000000000001 RSI: ffffffff9f5b5d6a RDI: 00000000ffffffff
[40742.490456] RBP: 0000000000000000 R08: ffff9dabad79c5c8 R09: 0000000000000000
[40742.490656] R10: ffff9dabad79c300 R11: ffff9dab83850e08 R12: ffff9dabc937f750
[40742.490854] R13: ffff9dab9fc8eae0 R14: ffff9dabad79c4e0 R15: ffff9dabad79c588
[40742.491062] FS:  00007f71f7682740(0000) GS:ffff9dabfbd00000(0000) knlGS:0000000000000000
[40742.491317] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[40742.491487] CR2: 00007fe6fd82b000 CR3: 000000012f7d6004 CR4: 0000000000370ee0
[40742.491687] Call Trace:
[40742.491809]  
[40742.491927]  ? __mutex_lock+0x80/0x8a0
[40742.492080]  ? __mutex_lock+0xda/0x8a0
[40742.492224]  ? lock_release+0x1d0/0x2d0
[40742.492370]  btrfs_run_delayed_refs+0x86/0x210
[40742.492522]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.492681]  btrfs_start_dirty_block_groups+0x2af/0x540
[40742.492852]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.493024]  btrfs_commit_transaction+0x85e/0xad0
[40742.493180]  ? _raw_spin_unlock+0x29/0x40
[40742.493355]  ? btrfs_block_rsv_release+0x1c2/0x1e0
[40742.493519]  create_subvol+0x567/0x9a0
[40742.493676]  btrfs_mksubvol+0x447/0x4c0
[40742.493821]  ? preempt_count_add+0x49/0xa0
[40742.493969]  __btrfs_ioctl_snap_create+0x123/0x190
[40742.494142]  ? _copy_from_user+0x65/0xa0
[40742.494294]  btrfs_ioctl_snap_create_v2+0xbb/0x140
[40742.494452]  btrfs_ioctl+0x105/0x3160
[40742.494593]  ? rcu_read_lock_sched_held+0x12/0x60
[40742.494757]  ? slab_free_freelist_hook.constprop.0+0x5e/0x130
[40742.494935]  ? do_sys_openat2+0x5e/0x140
[40742.495090]  ? kmem_cache_free+0x111/0x510
[40742.495239]  ? __x64_sys_ioctl+0x80/0xb0
[40742.495388]  __x64_sys_ioctl+0x80/0xb0
[40742.495532]  do_syscall_64+0x38/0x90
[40742.495674]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[40742.496517] RIP: 0033:0x7f71f777d4cb
[40742.496666] Code: 89 d8 49 8d 3c 1c 48 f7 d8 49 39 c4 72 b5 e8 1c ff ff ff 85 c0 78 ba 4c 89 e0 5b 5d 41 5c c3 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 7d b9 0c 00 f7 d8 64 89 01 48
[40742.497138] RSP: 002b:00007ffd67cc6a28 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
[40742.497379] RAX: ffffffffffffffda RBX: 00007ffd67cc7a70 RCX: 00007f71f777d4cb
[40742.497579] RDX: 00007ffd67cc6a30 RSI: 0000000050009418 RDI: 0000000000000003
[40742.497780] RBP: 0000000000000003 R08: 0000000000000000 R09: 00007ffd67cc85b6
[40742.497990] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[40742.498184] R13: 00007ffd67cc6a30 R14: 00000000004063d0 R15: 00007f71f76826c8
[40742.498383]  
[40742.498498] irq event stamp: 0
[40742.498629] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[40742.498817] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[40742.499078] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[40742.499333] softirqs last disabled at (0): [<0000000000000000>] 0x0
[40742.499515] ---[ end trace 67ed10e28bfe28bf ]---
[40742.499746] ------------[ cut here ]------------
[40742.499902] WARNING: CPU: 1 PID: 186904 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[40742.500210] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat ip_set rfkill nf_tables nfnetlink intel_rapl_msr iTCO_wdt iTCO_vendor_support snd_hda_codec_generic intel_rapl_common snd_hda_intel snd_intel_dspcfg joydev snd_hda_codec snd_hwdep snd_hda_core i2c_i801 i2c_smbus snd_pcm snd_timer lpc_ich snd soundcore virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[40742.501606] CPU: 1 PID: 186904 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #536
[40742.501876] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[40742.502142] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[40742.502318] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 60 48 8b 05 58 b5 85 01 e8
[40742.502784] RSP: 0018:ffffbf55c6daf988 EFLAGS: 00010202
[40742.502947] RAX: 000000000000000d RBX: ffff9dab8d0da800 RCX: 0000000000000000
[40742.503151] RDX: 0000000000000001 RSI: ffffffff9f5b5d6a RDI: 00000000ffffffff
[40742.503351] RBP: 0000000000000000 R08: ffff9dabad79c970 R09: 0000000000000000
[40742.503549] R10: ffff9dabad79c400 R11: ffff9dab83850e08 R12: ffff9dabc937f820
[40742.503748] R13: ffff9dab9fc8eae0 R14: ffff9dabad79c888 R15: ffff9dabad79c930
[40742.503948] FS:  00007f71f7682740(0000) GS:ffff9dabfbd00000(0000) knlGS:0000000000000000
[40742.504210] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[40742.504385] CR2: 00007fe6fd82b000 CR3: 000000012f7d6004 CR4: 0000000000370ee0
[40742.504580] Call Trace:
[40742.504705]  
[40742.504823]  ? __mutex_lock+0x80/0x8a0
[40742.504964]  ? __mutex_lock+0xda/0x8a0
[40742.505119]  ? lock_release+0x1d0/0x2d0
[40742.505270]  btrfs_run_delayed_refs+0x86/0x210
[40742.505420]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.505579]  btrfs_start_dirty_block_groups+0x2af/0x540
[40742.505749]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.505909]  btrfs_commit_transaction+0x85e/0xad0
[40742.506076]  ? _raw_spin_unlock+0x29/0x40
[40742.506224]  ? btrfs_block_rsv_release+0x1c2/0x1e0
[40742.506384]  create_subvol+0x567/0x9a0
[40742.506535]  btrfs_mksubvol+0x447/0x4c0
[40742.506682]  ? preempt_count_add+0x49/0xa0
[40742.506829]  __btrfs_ioctl_snap_create+0x123/0x190
[40742.507001]  ? _copy_from_user+0x65/0xa0
[40742.507153]  btrfs_ioctl_snap_create_v2+0xbb/0x140
[40742.507312]  btrfs_ioctl+0x105/0x3160
[40742.507452]  ? rcu_read_lock_sched_held+0x12/0x60
[40742.507614]  ? slab_free_freelist_hook.constprop.0+0x5e/0x130
[40742.507795]  ? do_sys_openat2+0x5e/0x140
[40742.507940]  ? kmem_cache_free+0x111/0x510
[40742.508100]  ? __x64_sys_ioctl+0x80/0xb0
[40742.508247]  __x64_sys_ioctl+0x80/0xb0
[40742.508393]  do_syscall_64+0x38/0x90
[40742.508533]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[40742.508698] RIP: 0033:0x7f71f777d4cb
[40742.508838] Code: 89 d8 49 8d 3c 1c 48 f7 d8 49 39 c4 72 b5 e8 1c ff ff ff 85 c0 78 ba 4c 89 e0 5b 5d 41 5c c3 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 7d b9 0c 00 f7 d8 64 89 01 48
[40742.509307] RSP: 002b:00007ffd67cc6a28 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
[40742.509548] RAX: ffffffffffffffda RBX: 00007ffd67cc7a70 RCX: 00007f71f777d4cb
[40742.509750] RDX: 00007ffd67cc6a30 RSI: 0000000050009418 RDI: 0000000000000003
[40742.509946] RBP: 0000000000000003 R08: 0000000000000000 R09: 00007ffd67cc85b6
[40742.510153] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[40742.510348] R13: 00007ffd67cc6a30 R14: 00000000004063d0 R15: 00007f71f76826c8
[40742.516064]  
[40742.516184] irq event stamp: 0
[40742.516317] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[40742.516498] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[40742.516754] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[40742.517018] softirqs last disabled at (0): [<0000000000000000>] 0x0
[40742.517199] ---[ end trace 67ed10e28bfe28c0 ]---
[40742.517413] ------------[ cut here ]------------
[40742.517574] WARNING: CPU: 1 PID: 186904 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[40742.517855] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat ip_set rfkill nf_tables nfnetlink intel_rapl_msr iTCO_wdt iTCO_vendor_support snd_hda_codec_generic intel_rapl_common snd_hda_intel snd_intel_dspcfg joydev snd_hda_codec snd_hwdep snd_hda_core i2c_i801 i2c_smbus snd_pcm snd_timer lpc_ich snd soundcore virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[40742.519264] CPU: 1 PID: 186904 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #536
[40742.519518] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[40742.519780] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[40742.519951] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 60 48 8b 05 58 b5 85 01 e8
[40742.520425] RSP: 0018:ffffbf55c6daf988 EFLAGS: 00010202
[40742.520594] RAX: 000000000000000d RBX: ffff9dab8d0da800 RCX: 0000000000000000
[40742.520796] RDX: 0000000000000001 RSI: ffffffff9f5b5d6a RDI: 00000000ffffffff
[40742.521001] RBP: 0000000000000000 R08: ffff9dabb6d1f970 R09: 0000000000000000
[40742.521194] R10: ffff9dabad79c800 R11: ffff9dab83850e08 R12: ffff9dabdc5ff068
[40742.521390] R13: ffff9dab9fc8eae0 R14: ffff9dabb6d1f888 R15: ffff9dabb6d1f930
[40742.521584] FS:  00007f71f7682740(0000) GS:ffff9dabfbd00000(0000) knlGS:0000000000000000
[40742.521836] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[40742.522023] CR2: 00007fe6fd82b000 CR3: 000000012f7d6004 CR4: 0000000000370ee0
[40742.522224] Call Trace:
[40742.522345]  
[40742.522460]  ? __mutex_lock+0x80/0x8a0
[40742.522604]  ? __mutex_lock+0xda/0x8a0
[40742.522748]  ? lock_release+0x1d0/0x2d0
[40742.522892]  btrfs_run_delayed_refs+0x86/0x210
[40742.523057]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.523219]  btrfs_start_dirty_block_groups+0x2af/0x540
[40742.523384]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.523541]  btrfs_commit_transaction+0x85e/0xad0
[40742.523703]  ? _raw_spin_unlock+0x29/0x40
[40742.523850]  ? btrfs_block_rsv_release+0x1c2/0x1e0
[40742.524019]  create_subvol+0x567/0x9a0
[40742.524166]  btrfs_mksubvol+0x447/0x4c0
[40742.524311]  ? preempt_count_add+0x49/0xa0
[40742.524462]  __btrfs_ioctl_snap_create+0x123/0x190
[40742.524619]  ? _copy_from_user+0x65/0xa0
[40742.524767]  btrfs_ioctl_snap_create_v2+0xbb/0x140
[40742.524928]  btrfs_ioctl+0x105/0x3160
[40742.525083]  ? rcu_read_lock_sched_held+0x12/0x60
[40742.525244]  ? slab_free_freelist_hook.constprop.0+0x5e/0x130
[40742.525419]  ? do_sys_openat2+0x5e/0x140
[40742.525562]  ? kmem_cache_free+0x111/0x510
[40742.526393]  ? __x64_sys_ioctl+0x80/0xb0
[40742.526540]  __x64_sys_ioctl+0x80/0xb0
[40742.526685]  do_syscall_64+0x38/0x90
[40742.526827]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[40742.527002] RIP: 0033:0x7f71f777d4cb
[40742.527142] Code: 89 d8 49 8d 3c 1c 48 f7 d8 49 39 c4 72 b5 e8 1c ff ff ff 85 c0 78 ba 4c 89 e0 5b 5d 41 5c c3 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 7d b9 0c 00 f7 d8 64 89 01 48
[40742.527605] RSP: 002b:00007ffd67cc6a28 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
[40742.527850] RAX: ffffffffffffffda RBX: 00007ffd67cc7a70 RCX: 00007f71f777d4cb
[40742.528054] RDX: 00007ffd67cc6a30 RSI: 0000000050009418 RDI: 0000000000000003
[40742.528251] RBP: 0000000000000003 R08: 0000000000000000 R09: 00007ffd67cc85b6
[40742.528444] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[40742.528639] R13: 00007ffd67cc6a30 R14: 00000000004063d0 R15: 00007f71f76826c8
[40742.528841]  
[40742.528960] irq event stamp: 0
[40742.529101] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[40742.529283] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[40742.529534] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[40742.529791] softirqs last disabled at (0): [<0000000000000000>] 0x0
[40742.529987] ---[ end trace 67ed10e28bfe28c1 ]---
[40742.530201] ------------[ cut here ]------------
[40742.530361] WARNING: CPU: 1 PID: 186904 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[40742.530645] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat ip_set rfkill nf_tables nfnetlink intel_rapl_msr iTCO_wdt iTCO_vendor_support snd_hda_codec_generic intel_rapl_common snd_hda_intel snd_intel_dspcfg joydev snd_hda_codec snd_hwdep snd_hda_core i2c_i801 i2c_smbus snd_pcm snd_timer lpc_ich snd soundcore virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[40742.532069] CPU: 1 PID: 186904 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #536
[40742.532321] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[40742.532583] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[40742.532756] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 60 48 8b 05 58 b5 85 01 e8
[40742.533234] RSP: 0018:ffffbf55c6daf988 EFLAGS: 00010202
[40742.533402] RAX: 000000000000000d RBX: ffff9dab8d0da800 RCX: 0000000000000000
[40742.533598] RDX: 0000000000000001 RSI: ffffffff9f5b5d6a RDI: 00000000ffffffff
[40742.533797] RBP: 0000000000000000 R08: ffff9dabb6d1fbe0 R09: 0000000000000000
[40742.534000] R10: ffff9dabb6d1f888 R11: ffff9dab83850e08 R12: ffff9dabdc5ff0d0
[40742.534196] R13: ffff9dab9fc8eae0 R14: ffff9dabb6d1faf8 R15: ffff9dabb6d1fba0
[40742.534390] FS:  00007f71f7682740(0000) GS:ffff9dabfbd00000(0000) knlGS:0000000000000000
[40742.534638] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[40742.534814] CR2: 00007fe6fd82b000 CR3: 000000012f7d6004 CR4: 0000000000370ee0
[40742.535025] Call Trace:
[40742.535144]  
[40742.535259]  ? __mutex_lock+0x80/0x8a0
[40742.535403]  ? __mutex_lock+0xda/0x8a0
[40742.535543]  ? lock_release+0x1d0/0x2d0
[40742.535689]  btrfs_run_delayed_refs+0x86/0x210
[40742.535845]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.536015]  btrfs_start_dirty_block_groups+0x2af/0x540
[40742.536183]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.536338]  btrfs_commit_transaction+0x85e/0xad0
[40742.536497]  ? _raw_spin_unlock+0x29/0x40
[40742.536649]  ? btrfs_block_rsv_release+0x1c2/0x1e0
[40742.536807]  create_subvol+0x567/0x9a0
[40742.536952]  btrfs_mksubvol+0x447/0x4c0
[40742.537109]  ? preempt_count_add+0x49/0xa0
[40742.537262]  __btrfs_ioctl_snap_create+0x123/0x190
[40742.537419]  ? _copy_from_user+0x65/0xa0
[40742.537564]  btrfs_ioctl_snap_create_v2+0xbb/0x140
[40742.537728]  btrfs_ioctl+0x105/0x3160
[40742.537871]  ? rcu_read_lock_sched_held+0x12/0x60
[40742.538039]  ? slab_free_freelist_hook.constprop.0+0x5e/0x130
[40742.538215]  ? do_sys_openat2+0x5e/0x140
[40742.538361]  ? kmem_cache_free+0x111/0x510
[40742.538513]  ? __x64_sys_ioctl+0x80/0xb0
[40742.538661]  __x64_sys_ioctl+0x80/0xb0
[40742.538803]  do_syscall_64+0x38/0x90
[40742.538945]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[40742.539121] RIP: 0033:0x7f71f777d4cb
[40742.539259] Code: 89 d8 49 8d 3c 1c 48 f7 d8 49 39 c4 72 b5 e8 1c ff ff ff 85 c0 78 ba 4c 89 e0 5b 5d 41 5c c3 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 7d b9 0c 00 f7 d8 64 89 01 48
[40742.539723] RSP: 002b:00007ffd67cc6a28 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
[40742.539963] RAX: ffffffffffffffda RBX: 00007ffd67cc7a70 RCX: 00007f71f777d4cb
[40742.540167] RDX: 00007ffd67cc6a30 RSI: 0000000050009418 RDI: 0000000000000003
[40742.540362] RBP: 0000000000000003 R08: 0000000000000000 R09: 00007ffd67cc85b6
[40742.540558] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[40742.540758] R13: 00007ffd67cc6a30 R14: 00000000004063d0 R15: 00007f71f76826c8
[40742.540959]  
[40742.541087] irq event stamp: 0
[40742.541216] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[40742.541397] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[40742.541656] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[40742.541905] softirqs last disabled at (0): [<0000000000000000>] 0x0
[40742.542099] ---[ end trace 67ed10e28bfe28c2 ]---
[40742.542303] ------------[ cut here ]------------
[40742.542461] WARNING: CPU: 1 PID: 186904 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[40742.542743] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat ip_set rfkill nf_tables nfnetlink intel_rapl_msr iTCO_wdt iTCO_vendor_support snd_hda_codec_generic intel_rapl_common snd_hda_intel snd_intel_dspcfg joydev snd_hda_codec snd_hwdep snd_hda_core i2c_i801 i2c_smbus snd_pcm snd_timer lpc_ich snd soundcore virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[40742.544147] CPU: 1 PID: 186904 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #536
[40742.544397] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[40742.544659] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[40742.550341] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 60 48 8b 05 58 b5 85 01 e8
[40742.550811] RSP: 0018:ffffbf55c6daf988 EFLAGS: 00010202
[40742.550986] RAX: 000000000000000d RBX: ffff9dab8d0da800 RCX: 0000000000000000
[40742.551183] RDX: 0000000000000001 RSI: ffffffff9f5b5d6a RDI: 00000000ffffffff
[40742.551379] RBP: 0000000000000000 R08: ffff9dabb6d1f838 R09: 0000000000000000
[40742.551578] R10: ffff9dabb6d1faf8 R11: ffff9dab83850e08 R12: ffff9dabdc5ff270
[40742.551776] R13: ffff9dab9fc8eae0 R14: ffff9dabb6d1f750 R15: ffff9dabb6d1f7f8
[40742.551974] FS:  00007f71f7682740(0000) GS:ffff9dabfbd00000(0000) knlGS:0000000000000000
[40742.552241] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[40742.552413] CR2: 00007fe6fd82b000 CR3: 000000012f7d6004 CR4: 0000000000370ee0
[40742.552608] Call Trace:
[40742.552734]  
[40742.552851]  ? __mutex_lock+0x80/0x8a0
[40742.553042]  ? __mutex_lock+0xda/0x8a0
[40742.553189]  ? lock_release+0x1d0/0x2d0
[40742.553334]  btrfs_run_delayed_refs+0x86/0x210
[40742.553484]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.553645]  btrfs_start_dirty_block_groups+0x2af/0x540
[40742.553813]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.553974]  btrfs_commit_transaction+0x85e/0xad0
[40742.554145]  ? _raw_spin_unlock+0x29/0x40
[40742.554290]  ? btrfs_block_rsv_release+0x1c2/0x1e0
[40742.554452]  create_subvol+0x567/0x9a0
[40742.554598]  btrfs_mksubvol+0x447/0x4c0
[40742.554746]  ? preempt_count_add+0x49/0xa0
[40742.554894]  __btrfs_ioctl_snap_create+0x123/0x190
[40742.555069]  ? _copy_from_user+0x65/0xa0
[40742.555220]  btrfs_ioctl_snap_create_v2+0xbb/0x140
[40742.555377]  btrfs_ioctl+0x105/0x3160
[40742.555517]  ? rcu_read_lock_sched_held+0x12/0x60
[40742.555680]  ? slab_free_freelist_hook.constprop.0+0x5e/0x130
[40742.556506]  ? do_sys_openat2+0x5e/0x140
[40742.556655]  ? kmem_cache_free+0x111/0x510
[40742.556801]  ? __x64_sys_ioctl+0x80/0xb0
[40742.556947]  __x64_sys_ioctl+0x80/0xb0
[40742.557102]  do_syscall_64+0x38/0x90
[40742.557243]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[40742.557406] RIP: 0033:0x7f71f777d4cb
[40742.557548] Code: 89 d8 49 8d 3c 1c 48 f7 d8 49 39 c4 72 b5 e8 1c ff ff ff 85 c0 78 ba 4c 89 e0 5b 5d 41 5c c3 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 7d b9 0c 00 f7 d8 64 89 01 48
[40742.558025] RSP: 002b:00007ffd67cc6a28 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
[40742.558264] RAX: ffffffffffffffda RBX: 00007ffd67cc7a70 RCX: 00007f71f777d4cb
[40742.558460] RDX: 00007ffd67cc6a30 RSI: 0000000050009418 RDI: 0000000000000003
[40742.558662] RBP: 0000000000000003 R08: 0000000000000000 R09: 00007ffd67cc85b6
[40742.558858] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[40742.559064] R13: 00007ffd67cc6a30 R14: 00000000004063d0 R15: 00007f71f76826c8
[40742.559263]  
[40742.559377] irq event stamp: 0
[40742.559510] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[40742.559696] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[40742.559942] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[40742.560207] softirqs last disabled at (0): [<0000000000000000>] 0x0
[40742.560389] ---[ end trace 67ed10e28bfe28c3 ]---
[40742.560603] ------------[ cut here ]------------
[40742.560764] WARNING: CPU: 1 PID: 186904 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[40742.561060] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat ip_set rfkill nf_tables nfnetlink intel_rapl_msr iTCO_wdt iTCO_vendor_support snd_hda_codec_generic intel_rapl_common snd_hda_intel snd_intel_dspcfg joydev snd_hda_codec snd_hwdep snd_hda_core i2c_i801 i2c_smbus snd_pcm snd_timer lpc_ich snd soundcore virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[40742.562461] CPU: 1 PID: 186904 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #536
[40742.562730] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[40742.562995] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[40742.563169] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 60 48 8b 05 58 b5 85 01 e8
[40742.563630] RSP: 0018:ffffbf55c6daf988 EFLAGS: 00010202
[40742.563800] RAX: 000000000000000d RBX: ffff9dab8d0da800 RCX: 0000000000000000
[40742.564006] RDX: 0000000000000001 RSI: ffffffff9f5b5d6a RDI: 00000000ffffffff
[40742.564206] RBP: 0000000000000000 R08: ffff9dabb6d1f358 R09: 0000000000000000
[40742.564401] R10: ffff9dabb6d1f750 R11: ffff9dab83850e08 R12: ffff9dabdc5ff7b8
[40742.564599] R13: ffff9dab9fc8eae0 R14: ffff9dabb6d1f270 R15: ffff9dabb6d1f318
[40742.564800] FS:  00007f71f7682740(0000) GS:ffff9dabfbd00000(0000) knlGS:0000000000000000
[40742.565065] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[40742.565238] CR2: 00007fe6fd82b000 CR3: 000000012f7d6004 CR4: 0000000000370ee0
[40742.565435] Call Trace:
[40742.565554]  
[40742.565678]  ? __mutex_lock+0x80/0x8a0
[40742.565820]  ? __mutex_lock+0xda/0x8a0
[40742.565963]  ? lock_release+0x1d0/0x2d0
[40742.566120]  btrfs_run_delayed_refs+0x86/0x210
[40742.566275]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.566431]  btrfs_start_dirty_block_groups+0x2af/0x540
[40742.566601]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.566768]  btrfs_commit_transaction+0x85e/0xad0
[40742.566923]  ? _raw_spin_unlock+0x29/0x40
[40742.567080]  ? btrfs_block_rsv_release+0x1c2/0x1e0
[40742.567243]  create_subvol+0x567/0x9a0
[40742.567392]  btrfs_mksubvol+0x447/0x4c0
[40742.567536]  ? preempt_count_add+0x49/0xa0
[40742.567689]  __btrfs_ioctl_snap_create+0x123/0x190
[40742.567849]  ? _copy_from_user+0x65/0xa0
[40742.568009]  btrfs_ioctl_snap_create_v2+0xbb/0x140
[40742.568169]  btrfs_ioctl+0x105/0x3160
[40742.568309]  ? rcu_read_lock_sched_held+0x12/0x60
[40742.568469]  ? slab_free_freelist_hook.constprop.0+0x5e/0x130
[40742.568649]  ? do_sys_openat2+0x5e/0x140
[40742.568793]  ? kmem_cache_free+0x111/0x510
[40742.568941]  ? __x64_sys_ioctl+0x80/0xb0
[40742.569099]  __x64_sys_ioctl+0x80/0xb0
[40742.569245]  do_syscall_64+0x38/0x90
[40742.569383]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[40742.569545] RIP: 0033:0x7f71f777d4cb
[40742.569690] Code: 89 d8 49 8d 3c 1c 48 f7 d8 49 39 c4 72 b5 e8 1c ff ff ff 85 c0 78 ba 4c 89 e0 5b 5d 41 5c c3 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 7d b9 0c 00 f7 d8 64 89 01 48
[40742.570161] RSP: 002b:00007ffd67cc6a28 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
[40742.570400] RAX: ffffffffffffffda RBX: 00007ffd67cc7a70 RCX: 00007f71f777d4cb
[40742.570598] RDX: 00007ffd67cc6a30 RSI: 0000000050009418 RDI: 0000000000000003
[40742.570806] RBP: 0000000000000003 R08: 0000000000000000 R09: 00007ffd67cc85b6
[40742.571015] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[40742.571210] R13: 00007ffd67cc6a30 R14: 00000000004063d0 R15: 00007f71f76826c8
[40742.571408]  
[40742.571522] irq event stamp: 0
[40742.571659] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[40742.571843] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[40742.572102] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[40742.572360] softirqs last disabled at (0): [<0000000000000000>] 0x0
[40742.572540] ---[ end trace 67ed10e28bfe28c4 ]---
[40742.572741] ------------[ cut here ]------------
[40742.572898] WARNING: CPU: 1 PID: 186904 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[40742.573192] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat ip_set rfkill nf_tables nfnetlink intel_rapl_msr iTCO_wdt iTCO_vendor_support snd_hda_codec_generic intel_rapl_common snd_hda_intel snd_intel_dspcfg joydev snd_hda_codec snd_hwdep snd_hda_core i2c_i801 i2c_smbus snd_pcm snd_timer lpc_ich snd soundcore virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[40742.574586] CPU: 1 PID: 186904 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #536
[40742.574852] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[40742.575117] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[40742.575291] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 60 48 8b 05 58 b5 85 01 e8
[40742.575757] RSP: 0018:ffffbf55c6daf988 EFLAGS: 00010202
[40742.575922] RAX: 000000000000000d RBX: ffff9dab8d0da800 RCX: 0000000000000000
[40742.576130] RDX: 0000000000000001 RSI: ffffffff9f5b5d6a RDI: 00000000ffffffff
[40742.576330] RBP: 0000000000000000 R08: ffff9dabb6d1faa8 R09: 0000000000000000
[40742.576525] R10: ffff9dabb6d1f270 R11: ffff9dab83850e08 R12: ffff9dabdc5ff208
[40742.576727] R13: ffff9dab9fc8eae0 R14: ffff9dabb6d1f9c0 R15: ffff9dabb6d1fa68
[40742.576924] FS:  00007f71f7682740(0000) GS:ffff9dabfbd00000(0000) knlGS:0000000000000000
[40742.577187] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[40742.577361] CR2: 00007fe6fd82b000 CR3: 000000012f7d6004 CR4: 0000000000370ee0
[40742.577559] Call Trace:
[40742.577684]  
[40742.577802]  ? __mutex_lock+0x80/0x8a0
[40742.577943]  ? __mutex_lock+0xda/0x8a0
[40742.578097]  ? lock_release+0x1d0/0x2d0
[40742.578246]  btrfs_run_delayed_refs+0x86/0x210
[40742.578397]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.578555]  btrfs_start_dirty_block_groups+0x2af/0x540
[40742.578730]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.578889]  btrfs_commit_transaction+0x85e/0xad0
[40742.579056]  ? _raw_spin_unlock+0x29/0x40
[40742.579205]  ? btrfs_block_rsv_release+0x1c2/0x1e0
[40742.579365]  create_subvol+0x567/0x9a0
[40742.585025]  btrfs_mksubvol+0x447/0x4c0
[40742.585173]  ? preempt_count_add+0x49/0xa0
[40742.585324]  __btrfs_ioctl_snap_create+0x123/0x190
[40742.585481]  ? _copy_from_user+0x65/0xa0
[40742.585625]  btrfs_ioctl_snap_create_v2+0xbb/0x140
[40742.586445]  btrfs_ioctl+0x105/0x3160
[40742.586594]  ? rcu_read_lock_sched_held+0x12/0x60
[40742.586760]  ? slab_free_freelist_hook.constprop.0+0x5e/0x130
[40742.586935]  ? do_sys_openat2+0x5e/0x140
[40742.587092]  ? kmem_cache_free+0x111/0x510
[40742.587243]  ? __x64_sys_ioctl+0x80/0xb0
[40742.587386]  __x64_sys_ioctl+0x80/0xb0
[40742.587527]  do_syscall_64+0x38/0x90
[40742.587673]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[40742.587838] RIP: 0033:0x7f71f777d4cb
[40742.587987] Code: 89 d8 49 8d 3c 1c 48 f7 d8 49 39 c4 72 b5 e8 1c ff ff ff 85 c0 78 ba 4c 89 e0 5b 5d 41 5c c3 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 7d b9 0c 00 f7 d8 64 89 01 48
[40742.588450] RSP: 002b:00007ffd67cc6a28 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
[40742.588696] RAX: ffffffffffffffda RBX: 00007ffd67cc7a70 RCX: 00007f71f777d4cb
[40742.588889] RDX: 00007ffd67cc6a30 RSI: 0000000050009418 RDI: 0000000000000003
[40742.589096] RBP: 0000000000000003 R08: 0000000000000000 R09: 00007ffd67cc85b6
[40742.589291] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[40742.589486] R13: 00007ffd67cc6a30 R14: 00000000004063d0 R15: 00007f71f76826c8
[40742.589690]  
[40742.589806] irq event stamp: 0
[40742.589937] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[40742.590132] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[40742.590385] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[40742.590638] softirqs last disabled at (0): [<0000000000000000>] 0x0
[40742.590826] ---[ end trace 67ed10e28bfe28c5 ]---
[40742.591059] ------------[ cut here ]------------
[40742.591219] WARNING: CPU: 1 PID: 186904 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[40742.591498] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat ip_set rfkill nf_tables nfnetlink intel_rapl_msr iTCO_wdt iTCO_vendor_support snd_hda_codec_generic intel_rapl_common snd_hda_intel snd_intel_dspcfg joydev snd_hda_codec snd_hwdep snd_hda_core i2c_i801 i2c_smbus snd_pcm snd_timer lpc_ich snd soundcore virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[40742.592926] CPU: 1 PID: 186904 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #536
[40742.593188] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[40742.593450] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[40742.593619] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 60 48 8b 05 58 b5 85 01 e8
[40742.594100] RSP: 0018:ffffbf55c6daf988 EFLAGS: 00010202
[40742.594268] RAX: 000000000000000d RBX: ffff9dab8d0da800 RCX: 0000000000000000
[40742.594466] RDX: 0000000000000001 RSI: ffffffff9f5b5d6a RDI: 00000000ffffffff
[40742.594663] RBP: ffff9dab80f7aec0 R08: ffff9dabad79c848 R09: 0000000000000000
[40742.594857] R10: ffff9dabb6d1f9c0 R11: ffff9dab83850e08 R12: ffff9dabc937fd68
[40742.595063] R13: ffff9dab9fc8eae0 R14: ffff9dabad79c750 R15: ffff9dabad79c7f8
[40742.595260] FS:  00007f71f7682740(0000) GS:ffff9dabfbd00000(0000) knlGS:0000000000000000
[40742.595507] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[40742.595684] CR2: 00007fe6fd82b000 CR3: 000000012f7d6004 CR4: 0000000000370ee0
[40742.595884] Call Trace:
[40742.596013]  
[40742.596130]  ? __mutex_lock+0x80/0x8a0
[40742.596273]  ? __mutex_lock+0xda/0x8a0
[40742.596413]  ? lock_release+0x1d0/0x2d0
[40742.596555]  btrfs_run_delayed_refs+0x86/0x210
[40742.596714]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.596874]  btrfs_start_dirty_block_groups+0x2af/0x540
[40742.597051]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.597209]  btrfs_commit_transaction+0x85e/0xad0
[40742.597369]  ? _raw_spin_unlock+0x29/0x40
[40742.597518]  ? btrfs_block_rsv_release+0x1c2/0x1e0
[40742.597679]  create_subvol+0x567/0x9a0
[40742.597824]  btrfs_mksubvol+0x447/0x4c0
[40742.597970]  ? preempt_count_add+0x49/0xa0
[40742.598135]  __btrfs_ioctl_snap_create+0x123/0x190
[40742.598294]  ? _copy_from_user+0x65/0xa0
[40742.598440]  btrfs_ioctl_snap_create_v2+0xbb/0x140
[40742.598601]  btrfs_ioctl+0x105/0x3160
[40742.598748]  ? rcu_read_lock_sched_held+0x12/0x60
[40742.598904]  ? slab_free_freelist_hook.constprop.0+0x5e/0x130
[40742.599089]  ? do_sys_openat2+0x5e/0x140
[40742.599239]  ? kmem_cache_free+0x111/0x510
[40742.599390]  ? __x64_sys_ioctl+0x80/0xb0
[40742.599535]  __x64_sys_ioctl+0x80/0xb0
[40742.599678]  do_syscall_64+0x38/0x90
[40742.599820]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[40742.599998] RIP: 0033:0x7f71f777d4cb
[40742.600137] Code: 89 d8 49 8d 3c 1c 48 f7 d8 49 39 c4 72 b5 e8 1c ff ff ff 85 c0 78 ba 4c 89 e0 5b 5d 41 5c c3 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 7d b9 0c 00 f7 d8 64 89 01 48
[40742.600598] RSP: 002b:00007ffd67cc6a28 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
[40742.600841] RAX: ffffffffffffffda RBX: 00007ffd67cc7a70 RCX: 00007f71f777d4cb
[40742.601048] RDX: 00007ffd67cc6a30 RSI: 0000000050009418 RDI: 0000000000000003
[40742.601242] RBP: 0000000000000003 R08: 0000000000000000 R09: 00007ffd67cc85b6
[40742.601438] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[40742.601635] R13: 00007ffd67cc6a30 R14: 00000000004063d0 R15: 00007f71f76826c8
[40742.601840]  
[40742.601956] irq event stamp: 0
[40742.602095] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[40742.602278] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[40742.602534] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[40742.602786] softirqs last disabled at (0): [<0000000000000000>] 0x0
[40742.602970] ---[ end trace 67ed10e28bfe28c6 ]---
[40742.603190] ------------[ cut here ]------------
[40742.603350] WARNING: CPU: 1 PID: 186904 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[40742.603626] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat ip_set rfkill nf_tables nfnetlink intel_rapl_msr iTCO_wdt iTCO_vendor_support snd_hda_codec_generic intel_rapl_common snd_hda_intel snd_intel_dspcfg joydev snd_hda_codec snd_hwdep snd_hda_core i2c_i801 i2c_smbus snd_pcm snd_timer lpc_ich snd soundcore virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[40742.605041] CPU: 1 PID: 186904 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #536
[40742.605291] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[40742.605551] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[40742.605724] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 60 48 8b 05 58 b5 85 01 e8
[40742.606201] RSP: 0018:ffffbf55c6daf988 EFLAGS: 00010202
[40742.606371] RAX: 000000000000000d RBX: ffff9dab8d0da800 RCX: 0000000000000000
[40742.606566] RDX: 0000000000000001 RSI: ffffffff9f5b5d6a RDI: 00000000ffffffff
[40742.606764] RBP: ffff9dab80f7a080 R08: ffff9dabad79cf98 R09: 0000000000000000
[40742.606957] R10: ffff9dabad79c700 R11: ffff9dab83850e08 R12: ffff9dabc937fc98
[40742.607163] R13: ffff9dab9fc8eae0 R14: ffff9dabad79cea0 R15: ffff9dabad79cf48
[40742.607359] FS:  00007f71f7682740(0000) GS:ffff9dabfbd00000(0000) knlGS:0000000000000000
[40742.607605] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[40742.607782] CR2: 00007fe6fd82b000 CR3: 000000012f7d6004 CR4: 0000000000370ee0
[40742.607989] Call Trace:
[40742.608108]  
[40742.608223]  btrfs_run_delayed_refs+0x86/0x210
[40742.608378]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.608535]  btrfs_start_dirty_block_groups+0x2af/0x540
[40742.608703]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.608863]  btrfs_commit_transaction+0x85e/0xad0
[40742.609032]  ? _raw_spin_unlock+0x29/0x40
[40742.609181]  ? btrfs_block_rsv_release+0x1c2/0x1e0
[40742.609339]  create_subvol+0x567/0x9a0
[40742.609482]  btrfs_mksubvol+0x447/0x4c0
[40742.609628]  ? preempt_count_add+0x49/0xa0
[40742.609778]  __btrfs_ioctl_snap_create+0x123/0x190
[40742.609936]  ? _copy_from_user+0x65/0xa0
[40742.610095]  btrfs_ioctl_snap_create_v2+0xbb/0x140
[40742.610261]  btrfs_ioctl+0x105/0x3160
[40742.610402]  ? rcu_read_lock_sched_held+0x12/0x60
[40742.610560]  ? slab_free_freelist_hook.constprop.0+0x5e/0x130
[40742.610741]  ? do_sys_openat2+0x5e/0x140
[40742.610887]  ? kmem_cache_free+0x111/0x510
[40742.611047]  ? __x64_sys_ioctl+0x80/0xb0
[40742.611193]  __x64_sys_ioctl+0x80/0xb0
[40742.611338]  do_syscall_64+0x38/0x90
[40742.611479]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[40742.611644] RIP: 0033:0x7f71f777d4cb
[40742.611782] Code: 89 d8 49 8d 3c 1c 48 f7 d8 49 39 c4 72 b5 e8 1c ff ff ff 85 c0 78 ba 4c 89 e0 5b 5d 41 5c c3 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 7d b9 0c 00 f7 d8 64 89 01 48
[40742.612260] RSP: 002b:00007ffd67cc6a28 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
[40742.612501] RAX: ffffffffffffffda RBX: 00007ffd67cc7a70 RCX: 00007f71f777d4cb
[40742.612699] RDX: 00007ffd67cc6a30 RSI: 0000000050009418 RDI: 0000000000000003
[40742.612897] RBP: 0000000000000003 R08: 0000000000000000 R09: 00007ffd67cc85b6
[40742.613112] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[40742.613312] R13: 00007ffd67cc6a30 R14: 00000000004063d0 R15: 00007f71f76826c8
[40742.613512]  
[40742.613628] irq event stamp: 0
[40742.613759] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[40742.613943] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[40742.620460] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[40742.620729] softirqs last disabled at (0): [<0000000000000000>] 0x0
[40742.620912] ---[ end trace 67ed10e28bfe28c7 ]---
[40742.621402] ------------[ cut here ]------------
[40742.621564] WARNING: CPU: 1 PID: 186904 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[40742.621864] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat ip_set rfkill nf_tables nfnetlink intel_rapl_msr iTCO_wdt iTCO_vendor_support snd_hda_codec_generic intel_rapl_common snd_hda_intel snd_intel_dspcfg joydev snd_hda_codec snd_hwdep snd_hda_core i2c_i801 i2c_smbus snd_pcm snd_timer lpc_ich snd soundcore virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[40742.623273] CPU: 1 PID: 186904 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #536
[40742.623531] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[40742.623788] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[40742.623962] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 60 48 8b 05 58 b5 85 01 e8
[40742.624430] RSP: 0018:ffffbf55c6daf988 EFLAGS: 00010202
[40742.624595] RAX: 000000000000000d RBX: ffff9dab8d0da800 RCX: 0000000000000000
[40742.624795] RDX: 0000000000000001 RSI: ffffffff9f5b5d6a RDI: 00000000ffffffff
[40742.625004] RBP: ffff9dab80f7a240 R08: ffff9dabad79ce60 R09: 0000000000000000
[40742.625204] R10: ffff9dabad79ce00 R11: ffff9dab83850e08 R12: ffff9dabc937f5b0
[40742.625401] R13: ffff9dab9fc8eae0 R14: ffff9dabad79cd68 R15: ffff9dabad79ce10
[40742.625598] FS:  00007f71f7682740(0000) GS:ffff9dabfbd00000(0000) knlGS:0000000000000000
[40742.625854] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[40742.626034] CR2: 00007fe6fd854028 CR3: 000000012f7d6004 CR4: 0000000000370ee0
[40742.626235] Call Trace:
[40742.626358]  
[40742.626475]  btrfs_run_delayed_refs+0x86/0x210
[40742.626628]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.626793]  btrfs_start_dirty_block_groups+0x2af/0x540
[40742.626961]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.627128]  btrfs_commit_transaction+0x85e/0xad0
[40742.627286]  ? _raw_spin_unlock+0x29/0x40
[40742.627436]  ? btrfs_block_rsv_release+0x1c2/0x1e0
[40742.627597]  create_subvol+0x567/0x9a0
[40742.627747]  btrfs_mksubvol+0x447/0x4c0
[40742.627890]  ? preempt_count_add+0x49/0xa0
[40742.628051]  __btrfs_ioctl_snap_create+0x123/0x190
[40742.628213]  ? _copy_from_user+0x65/0xa0
[40742.628359]  btrfs_ioctl_snap_create_v2+0xbb/0x140
[40742.628517]  btrfs_ioctl+0x105/0x3160
[40742.628663]  ? rcu_read_lock_sched_held+0x12/0x60
[40742.628825]  ? slab_free_freelist_hook.constprop.0+0x5e/0x130
[40742.629010]  ? do_sys_openat2+0x5e/0x140
[40742.629155]  ? kmem_cache_free+0x111/0x510
[40742.629304]  ? __x64_sys_ioctl+0x80/0xb0
[40742.629450]  __x64_sys_ioctl+0x80/0xb0
[40742.629591]  do_syscall_64+0x38/0x90
[40742.629734]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[40742.629901] RIP: 0033:0x7f71f777d4cb
[40742.630052] Code: 89 d8 49 8d 3c 1c 48 f7 d8 49 39 c4 72 b5 e8 1c ff ff ff 85 c0 78 ba 4c 89 e0 5b 5d 41 5c c3 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 7d b9 0c 00 f7 d8 64 89 01 48
[40742.630513] RSP: 002b:00007ffd67cc6a28 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
[40742.630759] RAX: ffffffffffffffda RBX: 00007ffd67cc7a70 RCX: 00007f71f777d4cb
[40742.630952] RDX: 00007ffd67cc6a30 RSI: 0000000050009418 RDI: 0000000000000003
[40742.631156] RBP: 0000000000000003 R08: 0000000000000000 R09: 00007ffd67cc85b6
[40742.631351] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[40742.631546] R13: 00007ffd67cc6a30 R14: 00000000004063d0 R15: 00007f71f76826c8
[40742.631747]  
[40742.631861] irq event stamp: 0
[40742.632000] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[40742.632182] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[40742.632432] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[40742.632687] softirqs last disabled at (0): [<0000000000000000>] 0x0
[40742.632870] ---[ end trace 67ed10e28bfe28c8 ]---
[40742.634017] ------------[ cut here ]------------
[40742.634182] WARNING: CPU: 1 PID: 186904 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[40742.634466] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat ip_set rfkill nf_tables nfnetlink intel_rapl_msr iTCO_wdt iTCO_vendor_support snd_hda_codec_generic intel_rapl_common snd_hda_intel snd_intel_dspcfg joydev snd_hda_codec snd_hwdep snd_hda_core i2c_i801 i2c_smbus snd_pcm snd_timer lpc_ich snd soundcore virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[40742.635884] CPU: 1 PID: 186904 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #536
[40742.636147] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[40742.636408] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[40742.636578] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 60 48 8b 05 58 b5 85 01 e8
[40742.637047] RSP: 0018:ffffbf55c6daf988 EFLAGS: 00010202
[40742.637218] RAX: 000000000000000d RBX: ffff9dab8d0da800 RCX: 0000000000000000
[40742.637415] RDX: 0000000000000001 RSI: ffffffff9f5b5d6a RDI: 00000000ffffffff
[40742.637613] RBP: ffff9dab80f7a360 R08: ffff9dabad79c230 R09: 0000000000000000
[40742.637814] R10: ffff9dabad79cd00 R11: ffff9dabfbd20d88 R12: ffff9dabc937f958
[40742.638022] R13: ffff9dab9fc8eae0 R14: ffff9dabad79c138 R15: ffff9dabad79c1e0
[40742.638216] FS:  00007f71f7682740(0000) GS:ffff9dabfbd00000(0000) knlGS:0000000000000000
[40742.638463] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[40742.638643] CR2: 00007fe6fd858000 CR3: 000000012f7d6004 CR4: 0000000000370ee0
[40742.638842] Call Trace:
[40742.638965]  
[40742.639090]  btrfs_run_delayed_refs+0x86/0x210
[40742.639247]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.639408]  btrfs_start_dirty_block_groups+0x2af/0x540
[40742.639574]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.639736]  btrfs_commit_transaction+0x85e/0xad0
[40742.639894]  ? _raw_spin_unlock+0x29/0x40
[40742.640052]  ? btrfs_block_rsv_release+0x1c2/0x1e0
[40742.640211]  create_subvol+0x567/0x9a0
[40742.640357]  btrfs_mksubvol+0x447/0x4c0
[40742.640503]  ? preempt_count_add+0x49/0xa0
[40742.640655]  __btrfs_ioctl_snap_create+0x123/0x190
[40742.640814]  ? _copy_from_user+0x65/0xa0
[40742.640958]  btrfs_ioctl_snap_create_v2+0xbb/0x140
[40742.641128]  btrfs_ioctl+0x105/0x3160
[40742.641272]  ? rcu_read_lock_sched_held+0x12/0x60
[40742.641431]  ? slab_free_freelist_hook.constprop.0+0x5e/0x130
[40742.641604]  ? do_sys_openat2+0x5e/0x140
[40742.641751]  ? kmem_cache_free+0x111/0x510
[40742.641904]  ? __x64_sys_ioctl+0x80/0xb0
[40742.642059]  __x64_sys_ioctl+0x80/0xb0
[40742.642201]  do_syscall_64+0x38/0x90
[40742.642342]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[40742.642506] RIP: 0033:0x7f71f777d4cb
[40742.642647] Code: 89 d8 49 8d 3c 1c 48 f7 d8 49 39 c4 72 b5 e8 1c ff ff ff 85 c0 78 ba 4c 89 e0 5b 5d 41 5c c3 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 7d b9 0c 00 f7 d8 64 89 01 48
[40742.643116] RSP: 002b:00007ffd67cc6a28 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
[40742.643358] RAX: ffffffffffffffda RBX: 00007ffd67cc7a70 RCX: 00007f71f777d4cb
[40742.643554] RDX: 00007ffd67cc6a30 RSI: 0000000050009418 RDI: 0000000000000003
[40742.643752] RBP: 0000000000000003 R08: 0000000000000000 R09: 00007ffd67cc85b6
[40742.643946] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[40742.644151] R13: 00007ffd67cc6a30 R14: 00000000004063d0 R15: 00007f71f76826c8
[40742.644352]  
[40742.644469] irq event stamp: 0
[40742.644597] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[40742.644782] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[40742.645041] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[40742.645295] softirqs last disabled at (0): [<0000000000000000>] 0x0
[40742.645479] ---[ end trace 67ed10e28bfe28c9 ]---
[40742.646680] ------------[ cut here ]------------
[40742.646848] WARNING: CPU: 1 PID: 186904 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[40742.647147] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat ip_set rfkill nf_tables nfnetlink intel_rapl_msr iTCO_wdt iTCO_vendor_support snd_hda_codec_generic intel_rapl_common snd_hda_intel snd_intel_dspcfg joydev snd_hda_codec snd_hwdep snd_hda_core i2c_i801 i2c_smbus snd_pcm snd_timer lpc_ich snd soundcore virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[40742.648571] CPU: 1 PID: 186904 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #536
[40742.648828] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[40742.649096] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[40742.649270] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 60 48 8b 05 58 b5 85 01 e8
[40742.649737] RSP: 0018:ffffbf55c6daf988 EFLAGS: 00010202
[40742.649905] RAX: 000000000000000d RBX: ffff9dab8d0da800 RCX: 0000000000000000
[40742.650115] RDX: 0000000000000001 RSI: ffffffff9f5b5d6a RDI: 00000000ffffffff
[40742.650313] RBP: ffff9dab80f7a2a0 R08: ffff9dabad79c710 R09: 0000000000000000
[40742.650507] R10: ffff9dabad79c100 R11: ffff9dab83850e08 R12: ffff9dabc937f548
[40742.650704] R13: ffff9dab9fc8eae0 R14: ffff9dabad79c618 R15: ffff9dabad79c6c0
[40742.650900] FS:  00007f71f7682740(0000) GS:ffff9dabfbd00000(0000) knlGS:0000000000000000
[40742.656666] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[40742.656840] CR2: 00007fe6fe98dc80 CR3: 000000012f7d6004 CR4: 0000000000370ee0
[40742.657048] Call Trace:
[40742.657168]  
[40742.657288]  btrfs_run_delayed_refs+0x86/0x210
[40742.657439]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.657598]  btrfs_start_dirty_block_groups+0x2af/0x540
[40742.657770]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.657931]  btrfs_commit_transaction+0x85e/0xad0
[40742.658098]  ? _raw_spin_unlock+0x29/0x40
[40742.658245]  ? btrfs_block_rsv_release+0x1c2/0x1e0
[40742.658408]  create_subvol+0x567/0x9a0
[40742.658555]  btrfs_mksubvol+0x447/0x4c0
[40742.658702]  ? preempt_count_add+0x49/0xa0
[40742.658849]  __btrfs_ioctl_snap_create+0x123/0x190
[40742.659021]  ? _copy_from_user+0x65/0xa0
[40742.659172]  btrfs_ioctl_snap_create_v2+0xbb/0x140
[40742.659329]  btrfs_ioctl+0x105/0x3160
[40742.659468]  ? rcu_read_lock_sched_held+0x12/0x60
[40742.659628]  ? slab_free_freelist_hook.constprop.0+0x5e/0x130
[40742.659807]  ? do_sys_openat2+0x5e/0x140
[40742.659953]  ? kmem_cache_free+0x111/0x510
[40742.660112]  ? __x64_sys_ioctl+0x80/0xb0
[40742.660261]  __x64_sys_ioctl+0x80/0xb0
[40742.660405]  do_syscall_64+0x38/0x90
[40742.660542]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[40742.660708] RIP: 0033:0x7f71f777d4cb
[40742.660850] Code: 89 d8 49 8d 3c 1c 48 f7 d8 49 39 c4 72 b5 e8 1c ff ff ff 85 c0 78 ba 4c 89 e0 5b 5d 41 5c c3 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 7d b9 0c 00 f7 d8 64 89 01 48
[40742.661321] RSP: 002b:00007ffd67cc6a28 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
[40742.661563] RAX: ffffffffffffffda RBX: 00007ffd67cc7a70 RCX: 00007f71f777d4cb
[40742.661764] RDX: 00007ffd67cc6a30 RSI: 0000000050009418 RDI: 0000000000000003
[40742.661962] RBP: 0000000000000003 R08: 0000000000000000 R09: 00007ffd67cc85b6
[40742.662168] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[40742.662364] R13: 00007ffd67cc6a30 R14: 00000000004063d0 R15: 00007f71f76826c8
[40742.662560]  
[40742.662677] irq event stamp: 0
[40742.662808] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[40742.663002] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[40742.663253] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[40742.663509] softirqs last disabled at (0): [<0000000000000000>] 0x0
[40742.663692] ---[ end trace 67ed10e28bfe28ca ]---
[40742.663989] ------------[ cut here ]------------
[40742.664148] WARNING: CPU: 1 PID: 186904 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[40742.664430] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat ip_set rfkill nf_tables nfnetlink intel_rapl_msr iTCO_wdt iTCO_vendor_support snd_hda_codec_generic intel_rapl_common snd_hda_intel snd_intel_dspcfg joydev snd_hda_codec snd_hwdep snd_hda_core i2c_i801 i2c_smbus snd_pcm snd_timer lpc_ich snd soundcore virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[40742.665834] CPU: 1 PID: 186904 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #536
[40742.666103] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[40742.666356] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[40742.666531] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 60 48 8b 05 58 b5 85 01 e8
[40742.667004] RSP: 0018:ffffbf55c6daf988 EFLAGS: 00010202
[40742.667171] RAX: 000000000000000d RBX: ffff9dab8d0da800 RCX: 0000000000000000
[40742.667369] RDX: 0000000000000001 RSI: ffffffff9f5b5d6a RDI: 00000000ffffffff
[40742.667565] RBP: ffff9dab80f7a000 R08: ffff9dabad79cbf0 R09: 0000000000000000
[40742.667767] R10: ffff9dabad79c600 R11: ffff9dab83850e08 R12: ffff9dabc937f138
[40742.667963] R13: ffff9dab9fc8eae0 R14: ffff9dabad79caf8 R15: ffff9dabad79cba0
[40742.668173] FS:  00007f71f7682740(0000) GS:ffff9dabfbd00000(0000) knlGS:0000000000000000
[40742.668431] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[40742.668604] CR2: 00007fe6fe98dc80 CR3: 000000012f7d6004 CR4: 0000000000370ee0
[40742.668807] Call Trace:
[40742.668931]  
[40742.669062]  btrfs_run_delayed_refs+0x86/0x210
[40742.669214]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.669375]  btrfs_start_dirty_block_groups+0x2af/0x540
[40742.669546]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.669707]  btrfs_commit_transaction+0x85e/0xad0
[40742.669863]  ? _raw_spin_unlock+0x29/0x40
[40742.670019]  ? btrfs_block_rsv_release+0x1c2/0x1e0
[40742.670182]  create_subvol+0x567/0x9a0
[40742.670328]  btrfs_mksubvol+0x447/0x4c0
[40742.670472]  ? preempt_count_add+0x49/0xa0
[40742.670624]  __btrfs_ioctl_snap_create+0x123/0x190
[40742.670789]  ? _copy_from_user+0x65/0xa0
[40742.670934]  btrfs_ioctl_snap_create_v2+0xbb/0x140
[40742.671104]  btrfs_ioctl+0x105/0x3160
[40742.671250]  ? rcu_read_lock_sched_held+0x12/0x60
[40742.671410]  ? slab_free_freelist_hook.constprop.0+0x5e/0x130
[40742.671584]  ? do_sys_openat2+0x5e/0x140
[40742.671733]  ? kmem_cache_free+0x111/0x510
[40742.671883]  ? __x64_sys_ioctl+0x80/0xb0
[40742.672039]  __x64_sys_ioctl+0x80/0xb0
[40742.672182]  do_syscall_64+0x38/0x90
[40742.672321]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[40742.672487] RIP: 0033:0x7f71f777d4cb
[40742.672627] Code: 89 d8 49 8d 3c 1c 48 f7 d8 49 39 c4 72 b5 e8 1c ff ff ff 85 c0 78 ba 4c 89 e0 5b 5d 41 5c c3 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 7d b9 0c 00 f7 d8 64 89 01 48
[40742.673101] RSP: 002b:00007ffd67cc6a28 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
[40742.673343] RAX: ffffffffffffffda RBX: 00007ffd67cc7a70 RCX: 00007f71f777d4cb
[40742.673538] RDX: 00007ffd67cc6a30 RSI: 0000000050009418 RDI: 0000000000000003
[40742.673739] RBP: 0000000000000003 R08: 0000000000000000 R09: 00007ffd67cc85b6
[40742.673935] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[40742.674140] R13: 00007ffd67cc6a30 R14: 00000000004063d0 R15: 00007f71f76826c8
[40742.674339]  
[40742.674452] irq event stamp: 0
[40742.674582] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[40742.674769] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[40742.675032] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[40742.675286] softirqs last disabled at (0): [<0000000000000000>] 0x0
[40742.675467] ---[ end trace 67ed10e28bfe28cb ]---
[40742.675680] ------------[ cut here ]------------
[40742.676346] WARNING: CPU: 1 PID: 186904 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[40742.676632] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat ip_set rfkill nf_tables nfnetlink intel_rapl_msr iTCO_wdt iTCO_vendor_support snd_hda_codec_generic intel_rapl_common snd_hda_intel snd_intel_dspcfg joydev snd_hda_codec snd_hwdep snd_hda_core i2c_i801 i2c_smbus snd_pcm snd_timer lpc_ich snd soundcore virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[40742.678041] CPU: 1 PID: 186904 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #536
[40742.678296] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[40742.678551] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[40742.678730] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 60 48 8b 05 58 b5 85 01 e8
[40742.679196] RSP: 0018:ffffbf55c6daf988 EFLAGS: 00010202
[40742.679362] RAX: 000000000000000d RBX: ffff9dab8d0da800 RCX: 0000000000000000
[40742.679561] RDX: 0000000000000001 RSI: ffffffff9f5b5d6a RDI: 00000000ffffffff
[40742.679768] RBP: ffff9dab80f7aea0 R08: ffff9dabad79c368 R09: 0000000000000000
[40742.679966] R10: ffff9dabad79ca00 R11: ffff9dab83850e08 R12: ffff9dabc937f340
[40742.680171] R13: ffff9dab9fc8eae0 R14: ffff9dabad79c270 R15: ffff9dabad79c318
[40742.680370] FS:  00007f71f7682740(0000) GS:ffff9dabfbd00000(0000) knlGS:0000000000000000
[40742.680615] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[40742.680793] CR2: 00007fe6fe98dc80 CR3: 000000012f7d6004 CR4: 0000000000370ee0
[40742.681000] Call Trace:
[40742.681123]  
[40742.681239]  btrfs_run_delayed_refs+0x86/0x210
[40742.681393]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.681556]  btrfs_start_dirty_block_groups+0x2af/0x540
[40742.681727]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.681894]  btrfs_commit_transaction+0x85e/0xad0
[40742.682061]  ? _raw_spin_unlock+0x29/0x40
[40742.682213]  ? btrfs_block_rsv_release+0x1c2/0x1e0
[40742.682374]  create_subvol+0x567/0x9a0
[40742.682519]  btrfs_mksubvol+0x447/0x4c0
[40742.682665]  ? preempt_count_add+0x49/0xa0
[40742.682815]  __btrfs_ioctl_snap_create+0x123/0x190
[40742.682987]  ? _copy_from_user+0x65/0xa0
[40742.683132]  btrfs_ioctl_snap_create_v2+0xbb/0x140
[40742.683291]  btrfs_ioctl+0x105/0x3160
[40742.683434]  ? rcu_read_lock_sched_held+0x12/0x60
[40742.683591]  ? slab_free_freelist_hook.constprop.0+0x5e/0x130
[40742.683767]  ? do_sys_openat2+0x5e/0x140
[40742.683910]  ? kmem_cache_free+0x111/0x510
[40742.684073]  ? __x64_sys_ioctl+0x80/0xb0
[40742.684221]  __x64_sys_ioctl+0x80/0xb0
[40742.684362]  do_syscall_64+0x38/0x90
[40742.684502]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[40742.684669] RIP: 0033:0x7f71f777d4cb
[40742.684807] Code: 89 d8 49 8d 3c 1c 48 f7 d8 49 39 c4 72 b5 e8 1c ff ff ff 85 c0 78 ba 4c 89 e0 5b 5d 41 5c c3 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 7d b9 0c 00 f7 d8 64 89 01 48
[40742.685273] RSP: 002b:00007ffd67cc6a28 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
[40742.691028] RAX: ffffffffffffffda RBX: 00007ffd67cc7a70 RCX: 00007f71f777d4cb
[40742.691229] RDX: 00007ffd67cc6a30 RSI: 0000000050009418 RDI: 0000000000000003
[40742.691428] RBP: 0000000000000003 R08: 0000000000000000 R09: 00007ffd67cc85b6
[40742.691624] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[40742.691826] R13: 00007ffd67cc6a30 R14: 00000000004063d0 R15: 00007f71f76826c8
[40742.692035]  
[40742.692153] irq event stamp: 0
[40742.692282] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[40742.692465] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[40742.692722] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[40742.692973] softirqs last disabled at (0): [<0000000000000000>] 0x0
[40742.693172] ---[ end trace 67ed10e28bfe28cc ]---
[40742.693387] ------------[ cut here ]------------
[40742.693543] WARNING: CPU: 1 PID: 186904 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[40742.693824] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat ip_set rfkill nf_tables nfnetlink intel_rapl_msr iTCO_wdt iTCO_vendor_support snd_hda_codec_generic intel_rapl_common snd_hda_intel snd_intel_dspcfg joydev snd_hda_codec snd_hwdep snd_hda_core i2c_i801 i2c_smbus snd_pcm snd_timer lpc_ich snd soundcore virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[40742.695221] CPU: 1 PID: 186904 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #536
[40742.695482] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[40742.695736] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[40742.695911] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 60 48 8b 05 58 b5 85 01 e8
[40742.696384] RSP: 0018:ffffbf55c6daf988 EFLAGS: 00010202
[40742.696549] RAX: 000000000000000d RBX: ffff9dab8d0da800 RCX: 0000000000000000
[40742.696748] RDX: 0000000000000001 RSI: ffffffff9f5b5d6a RDI: 00000000ffffffff
[40742.696941] RBP: ffff9dab80f7a040 R08: ffff9dabdd6a2ab8 R09: 0000000000000000
[40742.697146] R10: ffff9dabad79c200 R11: ffff9dab83850e08 R12: ffff9dabc937fbc8
[40742.697340] R13: ffff9dab9fc8eae0 R14: ffff9dabdd6a29c0 R15: ffff9dabdd6a2a68
[40742.697539] FS:  00007f71f7682740(0000) GS:ffff9dabfbd00000(0000) knlGS:0000000000000000
[40742.697795] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[40742.697968] CR2: 00007fe6fe98dc80 CR3: 000000012f7d6004 CR4: 0000000000370ee0
[40742.698173] Call Trace:
[40742.698294]  
[40742.698413]  btrfs_run_delayed_refs+0x86/0x210
[40742.698565]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.698727]  btrfs_start_dirty_block_groups+0x2af/0x540
[40742.698896]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.699068]  btrfs_commit_transaction+0x85e/0xad0
[40742.699225]  ? _raw_spin_unlock+0x29/0x40
[40742.699373]  ? btrfs_block_rsv_release+0x1c2/0x1e0
[40742.699530]  create_subvol+0x567/0x9a0
[40742.699682]  btrfs_mksubvol+0x447/0x4c0
[40742.699825]  ? preempt_count_add+0x49/0xa0
[40742.699973]  __btrfs_ioctl_snap_create+0x123/0x190
[40742.700149]  ? _copy_from_user+0x65/0xa0
[40742.700297]  btrfs_ioctl_snap_create_v2+0xbb/0x140
[40742.700456]  btrfs_ioctl+0x105/0x3160
[40742.700596]  ? rcu_read_lock_sched_held+0x12/0x60
[40742.700761]  ? slab_free_freelist_hook.constprop.0+0x5e/0x130
[40742.700938]  ? do_sys_openat2+0x5e/0x140
[40742.701097]  ? kmem_cache_free+0x111/0x510
[40742.701248]  ? __x64_sys_ioctl+0x80/0xb0
[40742.701395]  __x64_sys_ioctl+0x80/0xb0
[40742.701539]  do_syscall_64+0x38/0x90
[40742.701681]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[40742.701842] RIP: 0033:0x7f71f777d4cb
[40742.701993] Code: 89 d8 49 8d 3c 1c 48 f7 d8 49 39 c4 72 b5 e8 1c ff ff ff 85 c0 78 ba 4c 89 e0 5b 5d 41 5c c3 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 7d b9 0c 00 f7 d8 64 89 01 48
[40742.702457] RSP: 002b:00007ffd67cc6a28 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
[40742.702699] RAX: ffffffffffffffda RBX: 00007ffd67cc7a70 RCX: 00007f71f777d4cb
[40742.702897] RDX: 00007ffd67cc6a30 RSI: 0000000050009418 RDI: 0000000000000003
[40742.703104] RBP: 0000000000000003 R08: 0000000000000000 R09: 00007ffd67cc85b6
[40742.703304] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[40742.703503] R13: 00007ffd67cc6a30 R14: 00000000004063d0 R15: 00007f71f76826c8
[40742.703703]  
[40742.703816] irq event stamp: 0
[40742.703947] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[40742.704146] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[40742.704401] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[40742.704656] softirqs last disabled at (0): [<0000000000000000>] 0x0
[40742.704837] ---[ end trace 67ed10e28bfe28cd ]---
[40742.705056] ------------[ cut here ]------------
[40742.705213] WARNING: CPU: 1 PID: 186904 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[40742.705495] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat ip_set rfkill nf_tables nfnetlink intel_rapl_msr iTCO_wdt iTCO_vendor_support snd_hda_codec_generic intel_rapl_common snd_hda_intel snd_intel_dspcfg joydev snd_hda_codec snd_hwdep snd_hda_core i2c_i801 i2c_smbus snd_pcm snd_timer lpc_ich snd soundcore virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[40742.707456] CPU: 1 PID: 186904 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #536
[40742.707718] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[40742.707986] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[40742.708162] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 60 48 8b 05 58 b5 85 01 e8
[40742.708624] RSP: 0018:ffffbf55c6daf988 EFLAGS: 00010202
[40742.708791] RAX: 000000000000000d RBX: ffff9dab8d0da800 RCX: 0000000000000000
[40742.709001] RDX: 0000000000000001 RSI: ffffffff9f5b5d6a RDI: 00000000ffffffff
[40742.709194] RBP: ffff9dab80f7a600 R08: ffff9dabaeac4710 R09: 0000000000000000
[40742.709393] R10: ffff9dabdd6a2900 R11: ffff9dab83850e08 R12: ffff9dabc937f478
[40742.709589] R13: ffff9dab9fc8eae0 R14: ffff9dabaeac4618 R15: ffff9dabaeac46c0
[40742.709791] FS:  00007f71f7682740(0000) GS:ffff9dabfbd00000(0000) knlGS:0000000000000000
[40742.710052] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[40742.710225] CR2: 00007fe6fe98dc80 CR3: 000000012f7d6004 CR4: 0000000000370ee0
[40742.710419] Call Trace:
[40742.710538]  
[40742.710661]  btrfs_run_delayed_refs+0x86/0x210
[40742.710814]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.710986]  btrfs_start_dirty_block_groups+0x2af/0x540
[40742.711157]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.711317]  btrfs_commit_transaction+0x85e/0xad0
[40742.711472]  ? _raw_spin_unlock+0x29/0x40
[40742.711617]  ? btrfs_block_rsv_release+0x1c2/0x1e0
[40742.711795]  create_subvol+0x567/0x9a0
[40742.711944]  btrfs_mksubvol+0x447/0x4c0
[40742.712100]  ? preempt_count_add+0x49/0xa0
[40742.712250]  __btrfs_ioctl_snap_create+0x123/0x190
[40742.712410]  ? _copy_from_user+0x65/0xa0
[40742.712557]  btrfs_ioctl_snap_create_v2+0xbb/0x140
[40742.712719]  btrfs_ioctl+0x105/0x3160
[40742.712859]  ? rcu_read_lock_sched_held+0x12/0x60
[40742.713030]  ? slab_free_freelist_hook.constprop.0+0x5e/0x130
[40742.713208]  ? do_sys_openat2+0x5e/0x140
[40742.713352]  ? kmem_cache_free+0x111/0x510
[40742.713500]  ? __x64_sys_ioctl+0x80/0xb0
[40742.713652]  __x64_sys_ioctl+0x80/0xb0
[40742.713796]  do_syscall_64+0x38/0x90
[40742.713934]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[40742.714110] RIP: 0033:0x7f71f777d4cb
[40742.714252] Code: 89 d8 49 8d 3c 1c 48 f7 d8 49 39 c4 72 b5 e8 1c ff ff ff 85 c0 78 ba 4c 89 e0 5b 5d 41 5c c3 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 7d b9 0c 00 f7 d8 64 89 01 48
[40742.714711] RSP: 002b:00007ffd67cc6a28 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
[40742.714949] RAX: ffffffffffffffda RBX: 00007ffd67cc7a70 RCX: 00007f71f777d4cb
[40742.715157] RDX: 00007ffd67cc6a30 RSI: 0000000050009418 RDI: 0000000000000003
[40742.715354] RBP: 0000000000000003 R08: 0000000000000000 R09: 00007ffd67cc85b6
[40742.715549] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[40742.715747] R13: 00007ffd67cc6a30 R14: 00000000004063d0 R15: 00007f71f76826c8
[40742.715943]  
[40742.716069] irq event stamp: 0
[40742.716202] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[40742.716386] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[40742.716637] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[40742.716897] softirqs last disabled at (0): [<0000000000000000>] 0x0
[40742.717088] ---[ end trace 67ed10e28bfe28ce ]---
[40742.717301] ------------[ cut here ]------------
[40742.717459] WARNING: CPU: 1 PID: 186904 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[40742.717746] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat ip_set rfkill nf_tables nfnetlink intel_rapl_msr iTCO_wdt iTCO_vendor_support snd_hda_codec_generic intel_rapl_common snd_hda_intel snd_intel_dspcfg joydev snd_hda_codec snd_hwdep snd_hda_core i2c_i801 i2c_smbus snd_pcm snd_timer lpc_ich snd soundcore virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[40742.719139] CPU: 1 PID: 186904 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #536
[40742.719396] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[40742.719654] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[40742.725329] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 60 48 8b 05 58 b5 85 01 e8
[40742.725799] RSP: 0018:ffffbf55c6daf988 EFLAGS: 00010202
[40742.725965] RAX: 000000000000000d RBX: ffff9dab8d0da800 RCX: 0000000000000000
[40742.726173] RDX: 0000000000000001 RSI: ffffffff9f5b5d6a RDI: 00000000ffffffff
[40742.726367] RBP: ffff9dab80f7a1e0 R08: ffff9dabaeac4bf0 R09: 0000000000000000
[40742.726563] R10: ffff9dabaeac4600 R11: ffff9dab83850e08 R12: ffff9dabc937ff70
[40742.726760] R13: ffff9dab9fc8eae0 R14: ffff9dabaeac4af8 R15: ffff9dabaeac4ba0
[40742.726954] FS:  00007f71f7682740(0000) GS:ffff9dabfbd00000(0000) knlGS:0000000000000000
[40742.727212] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[40742.727388] CR2: 00007fe6fe98dc80 CR3: 000000012f7d6004 CR4: 0000000000370ee0
[40742.727588] Call Trace:
[40742.727708]  
[40742.727825]  btrfs_run_delayed_refs+0x86/0x210
[40742.727990]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.728149]  btrfs_start_dirty_block_groups+0x2af/0x540
[40742.728316]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.728472]  btrfs_commit_transaction+0x85e/0xad0
[40742.728631]  ? _raw_spin_unlock+0x29/0x40
[40742.728783]  ? btrfs_block_rsv_release+0x1c2/0x1e0
[40742.728942]  create_subvol+0x567/0x9a0
[40742.729097]  btrfs_mksubvol+0x447/0x4c0
[40742.729243]  ? preempt_count_add+0x49/0xa0
[40742.729392]  __btrfs_ioctl_snap_create+0x123/0x190
[40742.729550]  ? _copy_from_user+0x65/0xa0
[40742.729701]  btrfs_ioctl_snap_create_v2+0xbb/0x140
[40742.729862]  btrfs_ioctl+0x105/0x3160
[40742.730016]  ? rcu_read_lock_sched_held+0x12/0x60
[40742.730174]  ? slab_free_freelist_hook.constprop.0+0x5e/0x130
[40742.730353]  ? do_sys_openat2+0x5e/0x140
[40742.730504]  ? kmem_cache_free+0x111/0x510
[40742.730658]  ? __x64_sys_ioctl+0x80/0xb0
[40742.730802]  __x64_sys_ioctl+0x80/0xb0
[40742.730946]  do_syscall_64+0x38/0x90
[40742.731099]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[40742.731262] RIP: 0033:0x7f71f777d4cb
[40742.731399] Code: 89 d8 49 8d 3c 1c 48 f7 d8 49 39 c4 72 b5 e8 1c ff ff ff 85 c0 78 ba 4c 89 e0 5b 5d 41 5c c3 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 7d b9 0c 00 f7 d8 64 89 01 48
[40742.731869] RSP: 002b:00007ffd67cc6a28 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
[40742.732119] RAX: ffffffffffffffda RBX: 00007ffd67cc7a70 RCX: 00007f71f777d4cb
[40742.732318] RDX: 00007ffd67cc6a30 RSI: 0000000050009418 RDI: 0000000000000003
[40742.732515] RBP: 0000000000000003 R08: 0000000000000000 R09: 00007ffd67cc85b6
[40742.732715] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[40742.732912] R13: 00007ffd67cc6a30 R14: 00000000004063d0 R15: 00007f71f76826c8
[40742.733123]  
[40742.733240] irq event stamp: 0
[40742.733365] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[40742.733549] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[40742.733811] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[40742.734069] softirqs last disabled at (0): [<0000000000000000>] 0x0
[40742.734253] ---[ end trace 67ed10e28bfe28cf ]---
[40742.734464] ------------[ cut here ]------------
[40742.734619] WARNING: CPU: 1 PID: 186904 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[40742.734897] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat ip_set rfkill nf_tables nfnetlink intel_rapl_msr iTCO_wdt iTCO_vendor_support snd_hda_codec_generic intel_rapl_common snd_hda_intel snd_intel_dspcfg joydev snd_hda_codec snd_hwdep snd_hda_core i2c_i801 i2c_smbus snd_pcm snd_timer lpc_ich snd soundcore virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[40742.736993] CPU: 1 PID: 186904 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #536
[40742.737247] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[40742.737505] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[40742.737678] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 60 48 8b 05 58 b5 85 01 e8
[40742.738160] RSP: 0018:ffffbf55c6daf988 EFLAGS: 00010202
[40742.738325] RAX: 000000000000000d RBX: ffff9dab8d0da800 RCX: 0000000000000000
[40742.738519] RDX: 0000000000000001 RSI: ffffffff9f5b5d6a RDI: 00000000ffffffff
[40742.738720] RBP: ffff9dab80f7a4c0 R08: ffff9dab85f86368 R09: 0000000000000000
[40742.738912] R10: ffff9dabaeac4a00 R11: ffff9dab83850e08 R12: ffff9dabc937f9c0
[40742.739119] R13: ffff9dab9fc8eae0 R14: ffff9dab85f86270 R15: ffff9dab85f86318
[40742.739314] FS:  00007f71f7682740(0000) GS:ffff9dabfbd00000(0000) knlGS:0000000000000000
[40742.739567] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[40742.739740] CR2: 00007fe6fe98dc80 CR3: 000000012f7d6004 CR4: 0000000000370ee0
[40742.739937] Call Trace:
[40742.740070]  
[40742.740191]  btrfs_run_delayed_refs+0x86/0x210
[40742.740343]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.740501]  btrfs_start_dirty_block_groups+0x2af/0x540
[40742.740669]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.740830]  btrfs_commit_transaction+0x85e/0xad0
[40742.741001]  ? _raw_spin_unlock+0x29/0x40
[40742.741148]  ? btrfs_block_rsv_release+0x1c2/0x1e0
[40742.741307]  create_subvol+0x567/0x9a0
[40742.741453]  btrfs_mksubvol+0x447/0x4c0
[40742.741597]  ? preempt_count_add+0x49/0xa0
[40742.741755]  __btrfs_ioctl_snap_create+0x123/0x190
[40742.741916]  ? _copy_from_user+0x65/0xa0
[40742.742076]  btrfs_ioctl_snap_create_v2+0xbb/0x140
[40742.742241]  btrfs_ioctl+0x105/0x3160
[40742.742380]  ? rcu_read_lock_sched_held+0x12/0x60
[40742.742540]  ? slab_free_freelist_hook.constprop.0+0x5e/0x130
[40742.742719]  ? do_sys_openat2+0x5e/0x140
[40742.742868]  ? kmem_cache_free+0x111/0x510
[40742.743027]  ? __x64_sys_ioctl+0x80/0xb0
[40742.743172]  __x64_sys_ioctl+0x80/0xb0
[40742.743316]  do_syscall_64+0x38/0x90
[40742.743457]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[40742.743618] RIP: 0033:0x7f71f777d4cb
[40742.743759] Code: 89 d8 49 8d 3c 1c 48 f7 d8 49 39 c4 72 b5 e8 1c ff ff ff 85 c0 78 ba 4c 89 e0 5b 5d 41 5c c3 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 7d b9 0c 00 f7 d8 64 89 01 48
[40742.744236] RSP: 002b:00007ffd67cc6a28 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
[40742.744477] RAX: ffffffffffffffda RBX: 00007ffd67cc7a70 RCX: 00007f71f777d4cb
[40742.744679] RDX: 00007ffd67cc6a30 RSI: 0000000050009418 RDI: 0000000000000003
[40742.744876] RBP: 0000000000000003 R08: 0000000000000000 R09: 00007ffd67cc85b6
[40742.745085] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[40742.745285] R13: 00007ffd67cc6a30 R14: 00000000004063d0 R15: 00007f71f76826c8
[40742.745482]  
[40742.745594] irq event stamp: 0
[40742.745733] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[40742.745917] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[40742.746181] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[40742.746433] softirqs last disabled at (0): [<0000000000000000>] 0x0
[40742.746617] ---[ end trace 67ed10e28bfe28d0 ]---
[40742.746832] ------------[ cut here ]------------
[40742.747003] WARNING: CPU: 1 PID: 186904 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[40742.747286] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat ip_set rfkill nf_tables nfnetlink intel_rapl_msr iTCO_wdt iTCO_vendor_support snd_hda_codec_generic intel_rapl_common snd_hda_intel snd_intel_dspcfg joydev snd_hda_codec snd_hwdep snd_hda_core i2c_i801 i2c_smbus snd_pcm snd_timer lpc_ich snd soundcore virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[40742.748680] CPU: 1 PID: 186904 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #536
[40742.748939] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[40742.749201] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[40742.749374] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 60 48 8b 05 58 b5 85 01 e8
[40742.749843] RSP: 0018:ffffbf55c6daf988 EFLAGS: 00010202
[40742.750018] RAX: 000000000000000d RBX: ffff9dab8d0da800 RCX: 0000000000000000
[40742.750212] RDX: 0000000000000001 RSI: ffffffff9f5b5d6a RDI: 00000000ffffffff
[40742.750407] RBP: ffff9dab80f7aca0 R08: ffff9dab85f860f8 R09: 0000000000000000
[40742.750602] R10: ffff9dab85f86200 R11: ffff9dab83850e08 R12: ffff9dabc937f618
[40742.750805] R13: ffff9dab9fc8eae0 R14: ffff9dab85f86000 R15: ffff9dab85f860a8
[40742.751014] FS:  00007f71f7682740(0000) GS:ffff9dabfbd00000(0000) knlGS:0000000000000000
[40742.751269] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[40742.751438] CR2: 00007fe6fe98dc80 CR3: 000000012f7d6004 CR4: 0000000000370ee0
[40742.751635] Call Trace:
[40742.751757]  
[40742.751874]  btrfs_run_delayed_refs+0x86/0x210
[40742.752035]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.752196]  btrfs_start_dirty_block_groups+0x2af/0x540
[40742.752366]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.752527]  btrfs_commit_transaction+0x85e/0xad0
[40742.752685]  ? _raw_spin_unlock+0x29/0x40
[40742.752830]  ? btrfs_block_rsv_release+0x1c2/0x1e0
[40742.753002]  create_subvol+0x567/0x9a0
[40742.753150]  btrfs_mksubvol+0x447/0x4c0
[40742.753293]  ? preempt_count_add+0x49/0xa0
[40742.753439]  __btrfs_ioctl_snap_create+0x123/0x190
[40742.753599]  ? _copy_from_user+0x65/0xa0
[40742.753751]  btrfs_ioctl_snap_create_v2+0xbb/0x140
[40742.753909]  btrfs_ioctl+0x105/0x3160
[40742.754059]  ? rcu_read_lock_sched_held+0x12/0x60
[40742.754222]  ? slab_free_freelist_hook.constprop.0+0x5e/0x130
[40742.754399]  ? do_sys_openat2+0x5e/0x140
[40742.760042]  ? kmem_cache_free+0x111/0x510
[40742.760195]  ? __x64_sys_ioctl+0x80/0xb0
[40742.760344]  __x64_sys_ioctl+0x80/0xb0
[40742.760485]  do_syscall_64+0x38/0x90
[40742.760626]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[40742.760795] RIP: 0033:0x7f71f777d4cb
[40742.760932] Code: 89 d8 49 8d 3c 1c 48 f7 d8 49 39 c4 72 b5 e8 1c ff ff ff 85 c0 78 ba 4c 89 e0 5b 5d 41 5c c3 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 7d b9 0c 00 f7 d8 64 89 01 48
[40742.761399] RSP: 002b:00007ffd67cc6a28 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
[40742.761644] RAX: ffffffffffffffda RBX: 00007ffd67cc7a70 RCX: 00007f71f777d4cb
[40742.761838] RDX: 00007ffd67cc6a30 RSI: 0000000050009418 RDI: 0000000000000003
[40742.762043] RBP: 0000000000000003 R08: 0000000000000000 R09: 00007ffd67cc85b6
[40742.762240] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[40742.762433] R13: 00007ffd67cc6a30 R14: 00000000004063d0 R15: 00007f71f76826c8
[40742.762632]  
[40742.762752] irq event stamp: 0
[40742.762883] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[40742.763075] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[40742.763325] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[40742.763577] softirqs last disabled at (0): [<0000000000000000>] 0x0
[40742.763761] ---[ end trace 67ed10e28bfe28d1 ]---
[40742.763970] ------------[ cut here ]------------
[40742.764140] WARNING: CPU: 1 PID: 186904 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[40742.764421] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat ip_set rfkill nf_tables nfnetlink intel_rapl_msr iTCO_wdt iTCO_vendor_support snd_hda_codec_generic intel_rapl_common snd_hda_intel snd_intel_dspcfg joydev snd_hda_codec snd_hwdep snd_hda_core i2c_i801 i2c_smbus snd_pcm snd_timer lpc_ich snd soundcore virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[40742.766491] CPU: 1 PID: 186904 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #536
[40742.766746] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[40742.767017] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[40742.767190] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 60 48 8b 05 58 b5 85 01 e8
[40742.767652] RSP: 0018:ffffbf55c6daf988 EFLAGS: 00010202
[40742.767818] RAX: 000000000000000d RBX: ffff9dab8d0da800 RCX: 0000000000000000
[40742.768032] RDX: 0000000000000001 RSI: ffffffff9f5b5d6a RDI: 00000000ffffffff
[40742.768230] RBP: ffff9dab80f7a860 R08: ffff9dab85f86848 R09: 0000000000000000
[40742.768425] R10: ffff9dab85f86000 R11: ffff9dab83850e08 R12: ffff9dabc937f0d0
[40742.768620] R13: ffff9dab9fc8eae0 R14: ffff9dab85f86750 R15: ffff9dab85f867f8
[40742.768819] FS:  00007f71f7682740(0000) GS:ffff9dabfbd00000(0000) knlGS:0000000000000000
[40742.769078] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[40742.769255] CR2: 00007fe6fe98dc80 CR3: 000000012f7d6004 CR4: 0000000000370ee0
[40742.769453] Call Trace:
[40742.769574]  
[40742.769694]  btrfs_run_delayed_refs+0x86/0x210
[40742.769850]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.770017]  btrfs_start_dirty_block_groups+0x2af/0x540
[40742.770186]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.770342]  btrfs_commit_transaction+0x85e/0xad0
[40742.770501]  ? _raw_spin_unlock+0x29/0x40
[40742.770652]  ? btrfs_block_rsv_release+0x1c2/0x1e0
[40742.770811]  create_subvol+0x567/0x9a0
[40742.770954]  btrfs_mksubvol+0x447/0x4c0
[40742.771110]  ? preempt_count_add+0x49/0xa0
[40742.771263]  __btrfs_ioctl_snap_create+0x123/0x190
[40742.771421]  ? _copy_from_user+0x65/0xa0
[40742.771566]  btrfs_ioctl_snap_create_v2+0xbb/0x140
[40742.771730]  btrfs_ioctl+0x105/0x3160
[40742.771881]  ? rcu_read_lock_sched_held+0x12/0x60
[40742.772050]  ? slab_free_freelist_hook.constprop.0+0x5e/0x130
[40742.772226]  ? do_sys_openat2+0x5e/0x140
[40742.772371]  ? kmem_cache_free+0x111/0x510
[40742.772521]  ? __x64_sys_ioctl+0x80/0xb0
[40742.772671]  __x64_sys_ioctl+0x80/0xb0
[40742.772813]  do_syscall_64+0x38/0x90
[40742.772956]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[40742.773131] RIP: 0033:0x7f71f777d4cb
[40742.773270] Code: 89 d8 49 8d 3c 1c 48 f7 d8 49 39 c4 72 b5 e8 1c ff ff ff 85 c0 78 ba 4c 89 e0 5b 5d 41 5c c3 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 7d b9 0c 00 f7 d8 64 89 01 48
[40742.773735] RSP: 002b:00007ffd67cc6a28 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
[40742.773985] RAX: ffffffffffffffda RBX: 00007ffd67cc7a70 RCX: 00007f71f777d4cb
[40742.774182] RDX: 00007ffd67cc6a30 RSI: 0000000050009418 RDI: 0000000000000003
[40742.774379] RBP: 0000000000000003 R08: 0000000000000000 R09: 00007ffd67cc85b6
[40742.774575] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[40742.774775] R13: 00007ffd67cc6a30 R14: 00000000004063d0 R15: 00007f71f76826c8
[40742.774990]  
[40742.775107] irq event stamp: 0
[40742.775234] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[40742.775414] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[40742.775674] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[40742.775920] softirqs last disabled at (0): [<0000000000000000>] 0x0
[40742.776115] ---[ end trace 67ed10e28bfe28d2 ]---
[40742.776342] ------------[ cut here ]------------
[40742.776498] WARNING: CPU: 1 PID: 186904 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[40742.776778] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat ip_set rfkill nf_tables nfnetlink intel_rapl_msr iTCO_wdt iTCO_vendor_support snd_hda_codec_generic intel_rapl_common snd_hda_intel snd_intel_dspcfg joydev snd_hda_codec snd_hwdep snd_hda_core i2c_i801 i2c_smbus snd_pcm snd_timer lpc_ich snd soundcore virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[40742.778188] CPU: 1 PID: 186904 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #536
[40742.778438] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[40742.778701] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[40742.778871] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 60 48 8b 05 58 b5 85 01 e8
[40742.779350] RSP: 0018:ffffbf55c6daf988 EFLAGS: 00010202
[40742.779518] RAX: 000000000000000d RBX: ffff9dab8d0da800 RCX: 0000000000000000
[40742.779715] RDX: 0000000000000001 RSI: ffffffff9f5b5d6a RDI: 00000000ffffffff
[40742.779910] RBP: ffff9dab80f7a260 R08: ffff9dab85f864a0 R09: 0000000000000000
[40742.780113] R10: ffff9dab85f86700 R11: ffff9dab83850e08 R12: ffff9dabc937fea0
[40742.780308] R13: ffff9dab9fc8eae0 R14: ffff9dab85f863a8 R15: ffff9dab85f86450
[40742.780503] FS:  00007f71f7682740(0000) GS:ffff9dabfbd00000(0000) knlGS:0000000000000000
[40742.780752] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[40742.780925] CR2: 00007fe6fe98dc80 CR3: 000000012f7d6004 CR4: 0000000000370ee0
[40742.781133] Call Trace:
[40742.781254]  
[40742.781373]  btrfs_run_delayed_refs+0x86/0x210
[40742.781529]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.781689]  btrfs_start_dirty_block_groups+0x2af/0x540
[40742.781854]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.782025]  btrfs_commit_transaction+0x85e/0xad0
[40742.782186]  ? _raw_spin_unlock+0x29/0x40
[40742.782331]  ? btrfs_block_rsv_release+0x1c2/0x1e0
[40742.782490]  create_subvol+0x567/0x9a0
[40742.782643]  btrfs_mksubvol+0x447/0x4c0
[40742.782790]  ? preempt_count_add+0x49/0xa0
[40742.782938]  __btrfs_ioctl_snap_create+0x123/0x190
[40742.783105]  ? _copy_from_user+0x65/0xa0
[40742.783256]  btrfs_ioctl_snap_create_v2+0xbb/0x140
[40742.783416]  btrfs_ioctl+0x105/0x3160
[40742.783555]  ? rcu_read_lock_sched_held+0x12/0x60
[40742.783716]  ? slab_free_freelist_hook.constprop.0+0x5e/0x130
[40742.783894]  ? do_sys_openat2+0x5e/0x140
[40742.784052]  ? kmem_cache_free+0x111/0x510
[40742.784199]  ? __x64_sys_ioctl+0x80/0xb0
[40742.784343]  __x64_sys_ioctl+0x80/0xb0
[40742.784490]  do_syscall_64+0x38/0x90
[40742.784631]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[40742.784796] RIP: 0033:0x7f71f777d4cb
[40742.784933] Code: 89 d8 49 8d 3c 1c 48 f7 d8 49 39 c4 72 b5 e8 1c ff ff ff 85 c0 78 ba 4c 89 e0 5b 5d 41 5c c3 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 7d b9 0c 00 f7 d8 64 89 01 48
[40742.785416] RSP: 002b:00007ffd67cc6a28 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
[40742.785658] RAX: ffffffffffffffda RBX: 00007ffd67cc7a70 RCX: 00007f71f777d4cb
[40742.785854] RDX: 00007ffd67cc6a30 RSI: 0000000050009418 RDI: 0000000000000003
[40742.786064] RBP: 0000000000000003 R08: 0000000000000000 R09: 00007ffd67cc85b6
[40742.786263] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[40742.786460] R13: 00007ffd67cc6a30 R14: 00000000004063d0 R15: 00007f71f76826c8
[40742.786665]  
[40742.786782] irq event stamp: 0
[40742.786910] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[40742.787105] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[40742.787362] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[40742.787610] softirqs last disabled at (0): [<0000000000000000>] 0x0
[40742.787797] ---[ end trace 67ed10e28bfe28d3 ]---
[40742.788020] ------------[ cut here ]------------
[40742.788175] WARNING: CPU: 1 PID: 186904 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[40742.788452] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat ip_set rfkill nf_tables nfnetlink intel_rapl_msr iTCO_wdt iTCO_vendor_support snd_hda_codec_generic intel_rapl_common snd_hda_intel snd_intel_dspcfg joydev snd_hda_codec snd_hwdep snd_hda_core i2c_i801 i2c_smbus snd_pcm snd_timer lpc_ich snd soundcore virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[40742.795363] CPU: 1 PID: 186904 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #536
[40742.795616] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[40742.796618] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[40742.796799] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 60 48 8b 05 58 b5 85 01 e8
[40742.797266] RSP: 0018:ffffbf55c6daf988 EFLAGS: 00010202
[40742.797435] RAX: 000000000000000d RBX: ffff9dab8d0da800 RCX: 0000000000000000
[40742.797633] RDX: 0000000000000001 RSI: ffffffff9f5b5d6a RDI: 00000000ffffffff
[40742.797832] RBP: ffff9dab80f7a480 R08: ffff9dab85f86ab8 R09: 0000000000000000
[40742.798042] R10: ffff9dab85f86300 R11: ffff9dab83850e08 R12: ffff9dabc937f680
[40742.798242] R13: ffff9dab9fc8eae0 R14: ffff9dab85f869c0 R15: ffff9dab85f86a68
[40742.798439] FS:  00007f71f7682740(0000) GS:ffff9dabfbd00000(0000) knlGS:0000000000000000
[40742.798689] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[40742.798865] CR2: 00007fe6fe98dc80 CR3: 000000012f7d6004 CR4: 0000000000370ee0
[40742.799074] Call Trace:
[40742.799198]  
[40742.799313]  btrfs_run_delayed_refs+0x86/0x210
[40742.799468]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.799633]  btrfs_start_dirty_block_groups+0x2af/0x540
[40742.799804]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.799962]  btrfs_commit_transaction+0x85e/0xad0
[40742.800129]  ? _raw_spin_unlock+0x29/0x40
[40742.800280]  ? btrfs_block_rsv_release+0x1c2/0x1e0
[40742.800442]  create_subvol+0x567/0x9a0
[40742.800587]  btrfs_mksubvol+0x447/0x4c0
[40742.800733]  ? preempt_count_add+0x49/0xa0
[40742.800883]  __btrfs_ioctl_snap_create+0x123/0x190
[40742.801052]  ? _copy_from_user+0x65/0xa0
[40742.801198]  btrfs_ioctl_snap_create_v2+0xbb/0x140
[40742.801360]  btrfs_ioctl+0x105/0x3160
[40742.801503]  ? rcu_read_lock_sched_held+0x12/0x60
[40742.801665]  ? slab_free_freelist_hook.constprop.0+0x5e/0x130
[40742.801849]  ? do_sys_openat2+0x5e/0x140
[40742.802005]  ? kmem_cache_free+0x111/0x510
[40742.802159]  ? __x64_sys_ioctl+0x80/0xb0
[40742.802304]  __x64_sys_ioctl+0x80/0xb0
[40742.802445]  do_syscall_64+0x38/0x90
[40742.802587]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[40742.802757] RIP: 0033:0x7f71f777d4cb
[40742.802896] Code: 89 d8 49 8d 3c 1c 48 f7 d8 49 39 c4 72 b5 e8 1c ff ff ff 85 c0 78 ba 4c 89 e0 5b 5d 41 5c c3 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 7d b9 0c 00 f7 d8 64 89 01 48
[40742.803367] RSP: 002b:00007ffd67cc6a28 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
[40742.803628] RAX: ffffffffffffffda RBX: 00007ffd67cc7a70 RCX: 00007f71f777d4cb
[40742.803828] RDX: 00007ffd67cc6a30 RSI: 0000000050009418 RDI: 0000000000000003
[40742.804034] RBP: 0000000000000003 R08: 0000000000000000 R09: 00007ffd67cc85b6
[40742.804231] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[40742.804424] R13: 00007ffd67cc6a30 R14: 00000000004063d0 R15: 00007f71f76826c8
[40742.804622]  
[40742.804742] irq event stamp: 0
[40742.804873] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[40742.805065] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[40742.805319] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[40742.805574] softirqs last disabled at (0): [<0000000000000000>] 0x0
[40742.805759] ---[ end trace 67ed10e28bfe28d4 ]---
[40742.805994] ------------[ cut here ]------------
[40742.806154] WARNING: CPU: 1 PID: 186904 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[40742.806429] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat ip_set rfkill nf_tables nfnetlink intel_rapl_msr iTCO_wdt iTCO_vendor_support snd_hda_codec_generic intel_rapl_common snd_hda_intel snd_intel_dspcfg joydev snd_hda_codec snd_hwdep snd_hda_core i2c_i801 i2c_smbus snd_pcm snd_timer lpc_ich snd soundcore virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[40742.807848] CPU: 1 PID: 186904 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #536
[40742.808115] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[40742.808377] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[40742.808549] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 60 48 8b 05 58 b5 85 01 e8
[40742.809021] RSP: 0018:ffffbf55c6daf988 EFLAGS: 00010202
[40742.809190] RAX: 000000000000000d RBX: ffff9dab8d0da800 RCX: 0000000000000000
[40742.809388] RDX: 0000000000000001 RSI: ffffffff9f5b5d6a RDI: 00000000ffffffff
[40742.809587] RBP: ffff9dab80f7a4e0 R08: ffff9dab85f865d8 R09: 0000000000000000
[40742.809785] R10: ffff9dab85f86900 R11: ffff9dab83850e08 R12: ffff9dabc937f888
[40742.809991] R13: ffff9dab9fc8eae0 R14: ffff9dab85f864e0 R15: ffff9dab85f86588
[40742.810189] FS:  00007f71f7682740(0000) GS:ffff9dabfbd00000(0000) knlGS:0000000000000000
[40742.810432] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[40742.810609] CR2: 00007fe6fe98dc80 CR3: 000000012f7d6004 CR4: 0000000000370ee0
[40742.810811] Call Trace:
[40742.810932]  
[40742.811058]  btrfs_run_delayed_refs+0x86/0x210
[40742.811217]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.811378]  btrfs_start_dirty_block_groups+0x2af/0x540
[40742.811544]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.811704]  btrfs_commit_transaction+0x85e/0xad0
[40742.811864]  ? _raw_spin_unlock+0x29/0x40
[40742.812025]  ? btrfs_block_rsv_release+0x1c2/0x1e0
[40742.812184]  create_subvol+0x567/0x9a0
[40742.812330]  btrfs_mksubvol+0x447/0x4c0
[40742.812477]  ? preempt_count_add+0x49/0xa0
[40742.812627]  __btrfs_ioctl_snap_create+0x123/0x190
[40742.812788]  ? _copy_from_user+0x65/0xa0
[40742.812933]  btrfs_ioctl_snap_create_v2+0xbb/0x140
[40742.813107]  btrfs_ioctl+0x105/0x3160
[40742.813250]  ? rcu_read_lock_sched_held+0x12/0x60
[40742.813407]  ? slab_free_freelist_hook.constprop.0+0x5e/0x130
[40742.813581]  ? do_sys_openat2+0x5e/0x140
[40742.813730]  ? kmem_cache_free+0x111/0x510
[40742.813881]  ? __x64_sys_ioctl+0x80/0xb0
[40742.814037]  __x64_sys_ioctl+0x80/0xb0
[40742.814179]  do_syscall_64+0x38/0x90
[40742.814321]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[40742.814485] RIP: 0033:0x7f71f777d4cb
[40742.814622] Code: 89 d8 49 8d 3c 1c 48 f7 d8 49 39 c4 72 b5 e8 1c ff ff ff 85 c0 78 ba 4c 89 e0 5b 5d 41 5c c3 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 7d b9 0c 00 f7 d8 64 89 01 48
[40742.815099] RSP: 002b:00007ffd67cc6a28 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
[40742.815341] RAX: ffffffffffffffda RBX: 00007ffd67cc7a70 RCX: 00007f71f777d4cb
[40742.815538] RDX: 00007ffd67cc6a30 RSI: 0000000050009418 RDI: 0000000000000003
[40742.815735] RBP: 0000000000000003 R08: 0000000000000000 R09: 00007ffd67cc85b6
[40742.815934] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[40742.816141] R13: 00007ffd67cc6a30 R14: 00000000004063d0 R15: 00007f71f76826c8
[40742.816345]  
[40742.816461] irq event stamp: 0
[40742.816587] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[40742.816771] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[40742.817038] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[40742.817287] softirqs last disabled at (0): [<0000000000000000>] 0x0
[40742.817472] ---[ end trace 67ed10e28bfe28d5 ]---
[40742.817702] ------------[ cut here ]------------
[40742.817862] WARNING: CPU: 1 PID: 186904 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[40742.818152] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat ip_set rfkill nf_tables nfnetlink intel_rapl_msr iTCO_wdt iTCO_vendor_support snd_hda_codec_generic intel_rapl_common snd_hda_intel snd_intel_dspcfg joydev snd_hda_codec snd_hwdep snd_hda_core i2c_i801 i2c_smbus snd_pcm snd_timer lpc_ich snd soundcore virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[40742.819565] CPU: 1 PID: 186904 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #536
[40742.819823] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[40742.820094] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[40742.820267] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 60 48 8b 05 58 b5 85 01 e8
[40742.820735] RSP: 0018:ffffbf55c6daf988 EFLAGS: 00010202
[40742.820902] RAX: 000000000000000d RBX: ffff9dab8d0da800 RCX: 0000000000000000
[40742.821107] RDX: 0000000000000001 RSI: ffffffff9f5b5d6a RDI: 00000000ffffffff
[40742.821303] RBP: ffff9dab80f7aa20 R08: ffff9dabb6d1f5d8 R09: 0000000000000000
[40742.821499] R10: ffff9dab85f86400 R11: ffff9dab83850e08 R12: ffff9daa81faf6e8
[40742.821696] R13: ffff9dab9fc8eae0 R14: ffff9dabb6d1f4e0 R15: ffff9dabb6d1f588
[40742.821891] FS:  00007f71f7682740(0000) GS:ffff9dabfbd00000(0000) knlGS:0000000000000000
[40742.822146] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[40742.822323] CR2: 00007fe6fe98dc80 CR3: 000000012f7d6004 CR4: 0000000000370ee0
[40742.822518] Call Trace:
[40742.822641]  
[40742.822757]  btrfs_run_delayed_refs+0x86/0x210
[40742.822913]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.823081]  btrfs_start_dirty_block_groups+0x2af/0x540
[40742.823247]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.823408]  btrfs_commit_transaction+0x85e/0xad0
[40742.823566]  ? _raw_spin_unlock+0x29/0x40
[40742.823718]  ? btrfs_block_rsv_release+0x1c2/0x1e0
[40742.830212]  create_subvol+0x567/0x9a0
[40742.830366]  btrfs_mksubvol+0x447/0x4c0
[40742.830510]  ? preempt_count_add+0x49/0xa0
[40742.830660]  __btrfs_ioctl_snap_create+0x123/0x190
[40742.830822]  ? _copy_from_user+0x65/0xa0
[40742.830970]  btrfs_ioctl_snap_create_v2+0xbb/0x140
[40742.831147]  btrfs_ioctl+0x105/0x3160
[40742.831287]  ? rcu_read_lock_sched_held+0x12/0x60
[40742.831449]  ? slab_free_freelist_hook.constprop.0+0x5e/0x130
[40742.831626]  ? do_sys_openat2+0x5e/0x140
[40742.831786]  ? kmem_cache_free+0x111/0x510
[40742.831936]  ? __x64_sys_ioctl+0x80/0xb0
[40742.832094]  __x64_sys_ioctl+0x80/0xb0
[40742.832241]  do_syscall_64+0x38/0x90
[40742.832380]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[40742.832546] RIP: 0033:0x7f71f777d4cb
[40742.832690] Code: 89 d8 49 8d 3c 1c 48 f7 d8 49 39 c4 72 b5 e8 1c ff ff ff 85 c0 78 ba 4c 89 e0 5b 5d 41 5c c3 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 7d b9 0c 00 f7 d8 64 89 01 48
[40742.833160] RSP: 002b:00007ffd67cc6a28 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
[40742.833402] RAX: ffffffffffffffda RBX: 00007ffd67cc7a70 RCX: 00007f71f777d4cb
[40742.833600] RDX: 00007ffd67cc6a30 RSI: 0000000050009418 RDI: 0000000000000003
[40742.833799] RBP: 0000000000000003 R08: 0000000000000000 R09: 00007ffd67cc85b6
[40742.834004] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[40742.834202] R13: 00007ffd67cc6a30 R14: 00000000004063d0 R15: 00007f71f76826c8
[40742.834398]  
[40742.834514] irq event stamp: 0
[40742.834651] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[40742.834832] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[40742.835094] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[40742.835349] softirqs last disabled at (0): [<0000000000000000>] 0x0
[40742.835531] ---[ end trace 67ed10e28bfe28d6 ]---
[40742.835752] ------------[ cut here ]------------
[40742.835912] WARNING: CPU: 1 PID: 186904 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[40742.836206] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat ip_set rfkill nf_tables nfnetlink intel_rapl_msr iTCO_wdt iTCO_vendor_support snd_hda_codec_generic intel_rapl_common snd_hda_intel snd_intel_dspcfg joydev snd_hda_codec snd_hwdep snd_hda_core i2c_i801 i2c_smbus snd_pcm snd_timer lpc_ich snd soundcore virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[40742.837610] CPU: 1 PID: 186904 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #536
[40742.837872] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[40742.838134] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[40742.838311] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 60 48 8b 05 58 b5 85 01 e8
[40742.838773] RSP: 0018:ffffbf55c6daf988 EFLAGS: 00010202
[40742.838937] RAX: 000000000000000d RBX: ffff9dab8d0da800 RCX: 0000000000000000
[40742.839146] RDX: 0000000000000001 RSI: ffffffff9f5b5d6a RDI: 00000000ffffffff
[40742.839344] RBP: ffff9dab80f7a900 R08: ffff9dabb6d1fd28 R09: 0000000000000000
[40742.839541] R10: ffff9dabb6d1f4e0 R11: ffff9dab83850e08 R12: ffff9dabdc5ff618
[40742.839741] R13: ffff9dab9fc8eae0 R14: ffff9dabb6d1fc30 R15: ffff9dabb6d1fcd8
[40742.839941] FS:  00007f71f7682740(0000) GS:ffff9dabfbd00000(0000) knlGS:0000000000000000
[40742.840203] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[40742.840382] CR2: 00007fe6fe98dc80 CR3: 000000012f7d6004 CR4: 0000000000370ee0
[40742.840582] Call Trace:
[40742.840708]  
[40742.840824]  btrfs_run_delayed_refs+0x86/0x210
[40742.840986]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.841149]  btrfs_start_dirty_block_groups+0x2af/0x540
[40742.841319]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.841477]  btrfs_commit_transaction+0x85e/0xad0
[40742.841633]  ? _raw_spin_unlock+0x29/0x40
[40742.841785]  ? btrfs_block_rsv_release+0x1c2/0x1e0
[40742.841947]  create_subvol+0x567/0x9a0
[40742.842103]  btrfs_mksubvol+0x447/0x4c0
[40742.842247]  ? preempt_count_add+0x49/0xa0
[40742.842397]  __btrfs_ioctl_snap_create+0x123/0x190
[40742.842559]  ? _copy_from_user+0x65/0xa0
[40742.842709]  btrfs_ioctl_snap_create_v2+0xbb/0x140
[40742.842868]  btrfs_ioctl+0x105/0x3160
[40742.843022]  ? rcu_read_lock_sched_held+0x12/0x60
[40742.843184]  ? slab_free_freelist_hook.constprop.0+0x5e/0x130
[40742.843359]  ? do_sys_openat2+0x5e/0x140
[40742.843504]  ? kmem_cache_free+0x111/0x510
[40742.843657]  ? __x64_sys_ioctl+0x80/0xb0
[40742.843803]  __x64_sys_ioctl+0x80/0xb0
[40742.843945]  do_syscall_64+0x38/0x90
[40742.844094]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[40742.844263] RIP: 0033:0x7f71f777d4cb
[40742.844403] Code: 89 d8 49 8d 3c 1c 48 f7 d8 49 39 c4 72 b5 e8 1c ff ff ff 85 c0 78 ba 4c 89 e0 5b 5d 41 5c c3 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 7d b9 0c 00 f7 d8 64 89 01 48
[40742.844866] RSP: 002b:00007ffd67cc6a28 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
[40742.845120] RAX: ffffffffffffffda RBX: 00007ffd67cc7a70 RCX: 00007f71f777d4cb
[40742.845316] RDX: 00007ffd67cc6a30 RSI: 0000000050009418 RDI: 0000000000000003
[40742.845512] RBP: 0000000000000003 R08: 0000000000000000 R09: 00007ffd67cc85b6
[40742.845710] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[40742.845903] R13: 00007ffd67cc6a30 R14: 00000000004063d0 R15: 00007f71f76826c8
[40742.846112]  
[40742.846227] irq event stamp: 0
[40742.846357] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[40742.846538] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[40742.846793] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[40742.847057] softirqs last disabled at (0): [<0000000000000000>] 0x0
[40742.847240] ---[ end trace 67ed10e28bfe28d7 ]---
[40742.847451] ------------[ cut here ]------------
[40742.847610] WARNING: CPU: 1 PID: 186904 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[40742.847896] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat ip_set rfkill nf_tables nfnetlink intel_rapl_msr iTCO_wdt iTCO_vendor_support snd_hda_codec_generic intel_rapl_common snd_hda_intel snd_intel_dspcfg joydev snd_hda_codec snd_hwdep snd_hda_core i2c_i801 i2c_smbus snd_pcm snd_timer lpc_ich snd soundcore virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[40742.849301] CPU: 1 PID: 186904 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #536
[40742.849554] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[40742.849816] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[40742.849999] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 60 48 8b 05 58 b5 85 01 e8
[40742.850457] RSP: 0018:ffffbf55c6daf988 EFLAGS: 00010202
[40742.850624] RAX: 000000000000000d RBX: ffff9dab8d0da800 RCX: 0000000000000000
[40742.850827] RDX: 0000000000000001 RSI: ffffffff9f5b5d6a RDI: 00000000ffffffff
[40742.851033] RBP: ffff9dab80f7a0e0 R08: ffff9dabb6d1f0f8 R09: 0000000000000000
[40742.851233] R10: ffff9dabb6d1fc30 R11: ffff9dab83850e08 R12: ffff9dabdc5ffb60
[40742.851429] R13: ffff9dab9fc8eae0 R14: ffff9dabb6d1f000 R15: ffff9dabb6d1f0a8
[40742.851624] FS:  00007f71f7682740(0000) GS:ffff9dabfbd00000(0000) knlGS:0000000000000000
[40742.851869] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[40742.852056] CR2: 00007fe6fe98dc80 CR3: 000000012f7d6004 CR4: 0000000000370ee0
[40742.852255] Call Trace:
[40742.852378]  
[40742.852493]  btrfs_run_delayed_refs+0x86/0x210
[40742.852652]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.852813]  btrfs_start_dirty_block_groups+0x2af/0x540
[40742.852989]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.853148]  btrfs_commit_transaction+0x85e/0xad0
[40742.853306]  ? _raw_spin_unlock+0x29/0x40
[40742.853457]  ? btrfs_block_rsv_release+0x1c2/0x1e0
[40742.853613]  create_subvol+0x567/0x9a0
[40742.853762]  btrfs_mksubvol+0x447/0x4c0
[40742.853910]  ? preempt_count_add+0x49/0xa0
[40742.854071]  __btrfs_ioctl_snap_create+0x123/0x190
[40742.854231]  ? _copy_from_user+0x65/0xa0
[40742.854376]  btrfs_ioctl_snap_create_v2+0xbb/0x140
[40742.854537]  btrfs_ioctl+0x105/0x3160
[40742.854684]  ? rcu_read_lock_sched_held+0x12/0x60
[40742.854842]  ? slab_free_freelist_hook.constprop.0+0x5e/0x130
[40742.855027]  ? do_sys_openat2+0x5e/0x140
[40742.855174]  ? kmem_cache_free+0x111/0x510
[40742.855325]  ? __x64_sys_ioctl+0x80/0xb0
[40742.855469]  __x64_sys_ioctl+0x80/0xb0
[40742.855611]  do_syscall_64+0x38/0x90
[40742.856490]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[40742.856667] RIP: 0033:0x7f71f777d4cb
[40742.856807] Code: 89 d8 49 8d 3c 1c 48 f7 d8 49 39 c4 72 b5 e8 1c ff ff ff 85 c0 78 ba 4c 89 e0 5b 5d 41 5c c3 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 7d b9 0c 00 f7 d8 64 89 01 48
[40742.857277] RSP: 002b:00007ffd67cc6a28 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
[40742.857522] RAX: ffffffffffffffda RBX: 00007ffd67cc7a70 RCX: 00007f71f777d4cb
[40742.857721] RDX: 00007ffd67cc6a30 RSI: 0000000050009418 RDI: 0000000000000003
[40742.857914] RBP: 0000000000000003 R08: 0000000000000000 R09: 00007ffd67cc85b6
[40742.858120] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[40742.858314] R13: 00007ffd67cc6a30 R14: 00000000004063d0 R15: 00007f71f76826c8
[40742.858516]  
[40742.858633] irq event stamp: 0
[40742.858767] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[40742.858949] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[40742.859214] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[40742.864993] softirqs last disabled at (0): [<0000000000000000>] 0x0
[40742.865183] ---[ end trace 67ed10e28bfe28d8 ]---
[40742.865400] ------------[ cut here ]------------
[40742.865557] WARNING: CPU: 1 PID: 186904 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[40742.865840] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat ip_set rfkill nf_tables nfnetlink intel_rapl_msr iTCO_wdt iTCO_vendor_support snd_hda_codec_generic intel_rapl_common snd_hda_intel snd_intel_dspcfg joydev snd_hda_codec snd_hwdep snd_hda_core i2c_i801 i2c_smbus snd_pcm snd_timer lpc_ich snd soundcore virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[40742.867242] CPU: 1 PID: 186904 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #536
[40742.867500] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[40742.867758] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[40742.867931] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 60 48 8b 05 58 b5 85 01 e8
[40742.868412] RSP: 0018:ffffbf55c6daf988 EFLAGS: 00010202
[40742.868577] RAX: 000000000000000d RBX: ffff9dab8d0da800 RCX: 0000000000000000
[40742.868776] RDX: 0000000000000001 RSI: ffffffff9f5b5d6a RDI: 00000000ffffffff
[40742.868970] RBP: ffff9dab80f7ab80 R08: ffff9dabb6d1ff98 R09: 0000000000000000
[40742.869178] R10: ffff9dabb6d1f000 R11: ffff9dab83850e08 R12: ffff9dabdc5ffaf8
[40742.869377] R13: ffff9dab9fc8eae0 R14: ffff9dabb6d1fea0 R15: ffff9dabb6d1ff48
[40742.869576] FS:  00007f71f7682740(0000) GS:ffff9dabfbd00000(0000) knlGS:0000000000000000
[40742.869831] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[40742.870016] CR2: 00007fe6fe98dc80 CR3: 000000012f7d6004 CR4: 0000000000370ee0
[40742.870211] Call Trace:
[40742.870330]  
[40742.870450]  btrfs_run_delayed_refs+0x86/0x210
[40742.870604]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.870764]  btrfs_start_dirty_block_groups+0x2af/0x540
[40742.870935]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.871106]  btrfs_commit_transaction+0x85e/0xad0
[40742.871263]  ? _raw_spin_unlock+0x29/0x40
[40742.871409]  ? btrfs_block_rsv_release+0x1c2/0x1e0
[40742.871572]  create_subvol+0x567/0x9a0
[40742.871724]  btrfs_mksubvol+0x447/0x4c0
[40742.871867]  ? preempt_count_add+0x49/0xa0
[40742.872029]  __btrfs_ioctl_snap_create+0x123/0x190
[40742.872192]  ? _copy_from_user+0x65/0xa0
[40742.872341]  btrfs_ioctl_snap_create_v2+0xbb/0x140
[40742.872499]  btrfs_ioctl+0x105/0x3160
[40742.872642]  ? rcu_read_lock_sched_held+0x12/0x60
[40742.872804]  ? slab_free_freelist_hook.constprop.0+0x5e/0x130
[40742.872993]  ? do_sys_openat2+0x5e/0x140
[40742.873138]  ? kmem_cache_free+0x111/0x510
[40742.873288]  ? __x64_sys_ioctl+0x80/0xb0
[40742.873436]  __x64_sys_ioctl+0x80/0xb0
[40742.873581]  do_syscall_64+0x38/0x90
[40742.873722]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[40742.873886] RIP: 0033:0x7f71f777d4cb
[40742.874037] Code: 89 d8 49 8d 3c 1c 48 f7 d8 49 39 c4 72 b5 e8 1c ff ff ff 85 c0 78 ba 4c 89 e0 5b 5d 41 5c c3 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 7d b9 0c 00 f7 d8 64 89 01 48
[40742.874499] RSP: 002b:00007ffd67cc6a28 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
[40742.874739] RAX: ffffffffffffffda RBX: 00007ffd67cc7a70 RCX: 00007f71f777d4cb
[40742.874935] RDX: 00007ffd67cc6a30 RSI: 0000000050009418 RDI: 0000000000000003
[40742.875144] RBP: 0000000000000003 R08: 0000000000000000 R09: 00007ffd67cc85b6
[40742.875345] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[40742.875539] R13: 00007ffd67cc6a30 R14: 00000000004063d0 R15: 00007f71f76826c8
[40742.875740]  
[40742.875853] irq event stamp: 0
[40742.875994] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[40742.876180] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[40742.876429] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[40742.876688] softirqs last disabled at (0): [<0000000000000000>] 0x0
[40742.876869] ---[ end trace 67ed10e28bfe28d9 ]---
[40742.877085] ------------[ cut here ]------------
[40742.877242] WARNING: CPU: 1 PID: 186904 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[40742.877527] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat ip_set rfkill nf_tables nfnetlink intel_rapl_msr iTCO_wdt iTCO_vendor_support snd_hda_codec_generic intel_rapl_common snd_hda_intel snd_intel_dspcfg joydev snd_hda_codec snd_hwdep snd_hda_core i2c_i801 i2c_smbus snd_pcm snd_timer lpc_ich snd soundcore virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[40742.878915] CPU: 1 PID: 186904 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #536
[40742.879182] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[40742.879438] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[40742.879610] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 60 48 8b 05 58 b5 85 01 e8
[40742.880085] RSP: 0018:ffffbf55c6daf988 EFLAGS: 00010202
[40742.880251] RAX: 000000000000000d RBX: ffff9dab8d0da800 RCX: 0000000000000000
[40742.880443] RDX: 0000000000000001 RSI: ffffffff9f5b5d6a RDI: 00000000ffffffff
[40742.880644] RBP: ffff9dab80f7adc0 R08: ffff9dabb6d1f4a0 R09: 0000000000000000
[40742.880841] R10: ffff9dabb6d1fea0 R11: ffff9dab83850e08 R12: ffff9dabdc5ff3a8
[40742.881050] R13: ffff9dab9fc8eae0 R14: ffff9dabb6d1f3a8 R15: ffff9dabb6d1f450
[40742.881249] FS:  00007f71f7682740(0000) GS:ffff9dabfbd00000(0000) knlGS:0000000000000000
[40742.881503] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[40742.881677] CR2: 00007fe6fe98dc80 CR3: 000000012f7d6004 CR4: 0000000000370ee0
[40742.881874] Call Trace:
[40742.882004]  
[40742.882124]  btrfs_run_delayed_refs+0x86/0x210
[40742.882276]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.882435]  btrfs_start_dirty_block_groups+0x2af/0x540
[40742.882604]  ? __mutex_unlock_slowpath+0x35/0x260
[40742.882765]  btrfs_commit_transaction+0x85e/0xad0
[40742.882922]  ? _raw_spin_unlock+0x29/0x40
[40742.883076]  ? btrfs_block_rsv_release+0x1c2/0x1e0
[40742.883240]  create_subvol+0x567/0x9a0
[40742.883387]  btrfs_mksubvol+0x447/0x4c0
[40742.883528]  ? preempt_count_add+0x49/0xa0
[40742.883695]  __btrfs_ioctl_snap_create+0x123/0x190
[40742.883856]  ? _copy_from_user+0x65/0xa0
[40742.884012]  btrfs_ioctl_snap_create_v2+0xbb/0x140
[40742.884171]  btrfs_ioctl+0x105/0x3160
[40742.884314]  ? rcu_read_lock_sched_held+0x12/0x60
[40742.884474]  ? slab_free_freelist_hook.constprop.0+0x5e/0x130
[40742.884652]  ? do_sys_openat2+0x5e/0x140
[40742.884797]  ? kmem_cache_free+0x111/0x510
[40742.884943]  ? __x64_sys_ioctl+0x80/0xb0
[40742.885101]  __x64_sys_ioctl+0x80/0xb0
[40742.885245]  do_syscall_64+0x38/0x90
[40742.885386]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[40742.885551] RIP: 0033:0x7f71f777d4cb
[40742.886418] Code: 89 d8 49 8d 3c 1c 48 f7 d8 49 39 c4 72 b5 e8 1c ff ff ff 85 c0 78 ba 4c 89 e0 5b 5d 41 5c c3 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 7d b9 0c 00 f7 d8 64 89 01 48
[40742.886888] RSP: 002b:00007ffd67cc6a28 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
[40742.887140] RAX: ffffffffffffffda RBX: 00007ffd67cc7a70 RCX: 00007f71f777d4cb
[40742.887336] RDX: 00007ffd67cc6a30 RSI: 0000000050009418 RDI: 0000000000000003
[40742.887532] RBP: 0000000000000003 R08: 0000000000000000 R09: 00007ffd67cc85b6
[40742.887727] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[40742.887922] R13: 00007ffd67cc6a30 R14: 00000000004063d0 R15: 00007f71f76826c8
[40742.888131]  
[40742.888245] irq event stamp: 0
[40742.888377] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[40742.888558] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[40742.888812] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[40742.889078] softirqs last disabled at (0): [<0000000000000000>] 0x0
[40742.889260] ---[ end trace 67ed10e28bfe28da ]---
[40742.889474] BTRFS warning (device dm-11): Skipping commit of aborted transaction.
[40742.889722] BTRFS: error (device dm-11) in cleanup_transaction:1913: errno=-5 IO failure
[40742.985264] BTRFS info (device dm-11): flagging fs with big metadata feature
[40742.985490] BTRFS info (device dm-11): turning on sync discard
[40742.985674] BTRFS info (device dm-11): using free space tree
[40742.985847] BTRFS info (device dm-11): has skinny extents
[40743.011115] Buffer I/O error on dev dm-11, logical block 2621424, async page read
[40743.026262] BTRFS: error (device dm-11) in btrfs_run_delayed_refs:2161: errno=-5 IO failure
[40743.026548] BTRFS info (device dm-11): forced readonly
[40743.083610] BTRFS info (device dm-11): flagging fs with big metadata feature
[40743.083839] BTRFS info (device dm-11): turning on sync discard
[40743.084035] BTRFS info (device dm-11): using free space tree
[40743.084212] BTRFS info (device dm-11): has skinny extents
[40745.103570] BTRFS warning (device dm-11): direct IO failed ino 284 rw 1,34817 sector 0x2b3b58 len 28672 err no 10
[40745.104031] BTRFS warning (device dm-11): direct IO failed ino 4140 rw 1,34817 sector 0x2b5f48 len 28672 err no 10
[40745.104830] BTRFS: error (device dm-11) in btrfs_commit_transaction:2310: errno=-5 IO failure (Error while writing out transaction)
[40745.105306] BTRFS info (device dm-11): forced readonly
[40745.105540] BTRFS warning (device dm-11): Skipping commit of aborted transaction.
[40745.106336] btrfs_lookup_bio_sums: 2 callbacks suppressed
[40745.106339] BTRFS warning (device dm-11): csum hole found for disk bytenr range [1869807616, 1869811712)
[40745.106764] BTRFS: error (device dm-11) in cleanup_transaction:1913: errno=-5 IO failure
[40745.108246] BTRFS warning (device dm-11): direct IO failed ino 258 rw 0,0 sector 0x3ff980 len 4096 err no 10
[40745.115039] BTRFS warning (device dm-11): csum hole found for disk bytenr range [1869811712, 1869815808)
[40745.115868] BTRFS warning (device dm-11): direct IO failed ino 258 rw 0,0 sector 0x3ff988 len 4096 err no 10
[40745.116541] Buffer I/O error on dev dm-11, logical block 2621424, async page read
[40745.247176] BTRFS info (device dm-11): flagging fs with big metadata feature
[40745.247401] BTRFS info (device dm-11): turning on sync discard
[40745.247578] BTRFS info (device dm-11): using free space tree
[40745.247757] BTRFS info (device dm-11): has skinny extents
[40745.250489] BTRFS info (device dm-11): start tree-log replay
[40747.291115] btrfs_dev_stat_print_on_error: 117 callbacks suppressed
[40747.291119] BTRFS error (device dm-11): bdev /dev/mapper/error-test errs: wr 1, rd 0, flush 0, corrupt 0, gen 0
[40747.291697] BTRFS error (device dm-11): bdev /dev/mapper/error-test errs: wr 2, rd 0, flush 0, corrupt 0, gen 0
[40747.292043] BTRFS warning (device dm-11): direct IO failed ino 257 rw 1,34817 sector 0x431110 len 40960 err no 10
[40747.292380] BTRFS error (device dm-11): bdev /dev/mapper/error-test errs: wr 3, rd 0, flush 0, corrupt 0, gen 0
[40747.292701] BTRFS error (device dm-11): bdev /dev/mapper/error-test errs: wr 4, rd 0, flush 0, corrupt 0, gen 0
[40747.292899] BTRFS error (device dm-11): bdev /dev/mapper/error-test errs: wr 4, rd 1, flush 0, corrupt 0, gen 0
[40747.293119] BTRFS error (device dm-11): bdev /dev/mapper/error-test errs: wr 5, rd 1, flush 0, corrupt 0, gen 0
[40747.293698] BTRFS error (device dm-11): bdev /dev/mapper/error-test errs: wr 6, rd 1, flush 0, corrupt 0, gen 0
[40747.294041] BTRFS error (device dm-11): bdev /dev/mapper/error-test errs: wr 7, rd 1, flush 0, corrupt 0, gen 0
[40747.294215] BTRFS warning (device dm-11): csum hole found for disk bytenr range [1966219264, 1966223360)
[40747.294359] BTRFS error (device dm-11): bdev /dev/mapper/error-test errs: wr 8, rd 1, flush 0, corrupt 0, gen 0
[40747.294680] BTRFS error (device dm-11): bdev /dev/mapper/error-test errs: wr 8, rd 2, flush 0, corrupt 0, gen 0
[40747.295784] BTRFS warning (device dm-11): direct IO failed ino 278 rw 1,34817 sector 0x431110 len 122880 err no 10
[40747.298018] BTRFS warning (device dm-11): csum hole found for disk bytenr range [1969602560, 1969606656)
[40747.298183] Buffer I/O error on dev dm-11, logical block 2621424, async page read
[40747.299197] BTRFS warning (device dm-11): csum hole found for disk bytenr range [1945079808, 1945083904)
[40747.299523] BTRFS warning (device dm-11): csum hole found for disk bytenr range [1945083904, 1945088000)
[40747.299529] BTRFS warning (device dm-11): direct IO failed ino 285 rw 0,0 sector 0x4237c8 len 4096 err no 10
[40747.299852] BTRFS warning (device dm-11): direct IO failed ino 285 rw 0,0 sector 0x4237d0 len 4096 err no 10
[40747.303189] BTRFS warning (device dm-11): csum hole found for disk bytenr range [1928728576, 1928732672)
[40747.303442] BTRFS: error (device dm-11) in btrfs_commit_transaction:2310: errno=-5 IO failure (Error while writing out transaction)
[40747.303879] BTRFS info (device dm-11): forced readonly
[40747.304119] BTRFS warning (device dm-11): Skipping commit of aborted transaction.
[40747.304399] BTRFS: error (device dm-11) in cleanup_transaction:1913: errno=-5 IO failure
[40747.304608] BTRFS warning (device dm-11): csum hole found for disk bytenr range [1187864576, 1187868672)
[40747.305919] BTRFS warning (device dm-11): direct IO failed ino 266 rw 0,0 sector 0x2ba6b0 len 4096 err no 10
[40747.306441] BTRFS warning (device dm-11): csum hole found for disk bytenr range [1177681920, 1177686016)
[40747.307089] BTRFS warning (device dm-11): direct IO failed ino 258 rw 0,0 sector 0x2b5900 len 4096 err no 10
[40747.414434] BTRFS info (device dm-11): flagging fs with big metadata feature
[40747.414665] BTRFS info (device dm-11): turning on sync discard
[40747.414844] BTRFS info (device dm-11): using free space tree
[40747.415037] BTRFS info (device dm-11): has skinny extents
[40748.447074] BTRFS: error (device dm-11) in btrfs_commit_transaction:2310: errno=-5 IO failure (Error while writing out transaction)
[40748.447717] BTRFS info (device dm-11): forced readonly
[40748.448075] BTRFS warning (device dm-11): Skipping commit of aborted transaction.
[40748.448549] BTRFS: error (device dm-11) in cleanup_transaction:1913: errno=-5 IO failure
[40748.450422] Buffer I/O error on dev dm-11, logical block 2621424, async page read
[40748.451895] BTRFS warning (device dm-11): csum hole found for disk bytenr range [635502592, 635506688)
[40748.452508] BTRFS warning (device dm-11): direct IO failed ino 273 rw 0,0 sector 0x1b3080 len 4096 err no 10
[40748.452572] BTRFS warning (device dm-11): direct IO failed ino 273 rw 0,0 sector 0x1b3088 len 4096 err no 10
[40748.551625] BTRFS info (device dm-11): flagging fs with big metadata feature
[40748.551848] BTRFS info (device dm-11): turning on sync discard
[40748.552047] BTRFS info (device dm-11): using free space tree
[40748.552222] BTRFS info (device dm-11): has skinny extents
[40750.574446] BTRFS warning (device dm-11): lost page write due to IO error on /dev/mapper/error-test (-5)
[40750.574797] BTRFS warning (device dm-11): lost page write due to IO error on /dev/mapper/error-test (-5)
[40750.575186] BTRFS error (device dm-11): error writing primary super block to device 1
[40750.575488] BTRFS: error (device dm-11) in write_all_supers:4391: errno=-5 IO failure (1 errors while writing supers)
[40750.575843] BTRFS info (device dm-11): forced readonly
[40750.576049] BTRFS warning (device dm-11): Skipping commit of aborted transaction.
[40750.576322] BTRFS: error (device dm-11) in cleanup_transaction:1913: errno=-5 IO failure
[40750.577461] BTRFS warning (device dm-11): direct IO failed ino 261 rw 0,0 sector 0x450ea0 len 4096 err no 10
[40750.578137] BTRFS warning (device dm-11): direct IO failed ino 268 rw 0,0 sector 0x1cfa50 len 4096 err no 10
[40750.579492] Buffer I/O error on dev dm-11, logical block 2621424, async page read
[40750.579685] BTRFS warning (device dm-11): direct IO failed ino 274 rw 0,0 sector 0x45bcc0 len 4096 err no 10
[40750.580793] BTRFS warning (device dm-11): direct IO failed ino 268 rw 0,0 sector 0x457e58 len 4096 err no 10
[40750.590682] BTRFS warning (device dm-11): direct IO failed ino 4490 rw 0,0 sector 0x459380 len 4096 err no 10
[40750.591647] BTRFS warning (device dm-11): direct IO failed ino 257 rw 0,0 sector 0x44dd58 len 4096 err no 10
[40750.592575] BTRFS warning (device dm-11): direct IO failed ino 265 rw 0,0 sector 0x45b6f8 len 4096 err no 10
[40750.593211] BTRFS warning (device dm-11): direct IO failed ino 285 rw 0,0 sector 0x45b620 len 4096 err no 10
[40750.593554] BTRFS warning (device dm-11): direct IO failed ino 285 rw 0,0 sector 0x453928 len 4096 err no 10
[40750.593855] BTRFS warning (device dm-11): direct IO failed ino 285 rw 0,0 sector 0x453930 len 4096 err no 10
[40750.593936] BTRFS warning (device dm-11): direct IO failed ino 285 rw 0,0 sector 0x453938 len 4096 err no 10
[40750.594194] BTRFS warning (device dm-11): direct IO failed ino 285 rw 0,0 sector 0x453940 len 4096 err no 10
[40750.594462] BTRFS warning (device dm-11): direct IO failed ino 285 rw 0,0 sector 0x453948 len 4096 err no 10
[40750.594797] BTRFS warning (device dm-11): direct IO failed ino 285 rw 0,0 sector 0x453950 len 4096 err no 10
[40750.595093] BTRFS warning (device dm-11): direct IO failed ino 285 rw 0,0 sector 0x453958 len 4096 err no 10
[40750.595373] BTRFS warning (device dm-11): direct IO failed ino 285 rw 0,0 sector 0x453960 len 4096 err no 10
[40750.596424] BTRFS warning (device dm-11): direct IO failed ino 285 rw 0,0 sector 0x453968 len 4096 err no 10
[40750.596704] BTRFS warning (device dm-11): direct IO failed ino 285 rw 0,0 sector 0x453970 len 4096 err no 10
[40750.596988] BTRFS warning (device dm-11): direct IO failed ino 285 rw 0,0 sector 0x453978 len 4096 err no 10
[40750.597266] BTRFS warning (device dm-11): direct IO failed ino 285 rw 0,0 sector 0x453980 len 4096 err no 10
[40750.597535] BTRFS warning (device dm-11): direct IO failed ino 285 rw 0,0 sector 0x453988 len 4096 err no 10
[40750.597815] BTRFS warning (device dm-11): direct IO failed ino 285 rw 0,0 sector 0x453990 len 4096 err no 10
[40750.598116] BTRFS warning (device dm-11): direct IO failed ino 285 rw 0,0 sector 0x453998 len 4096 err no 10
[40750.598662] BTRFS warning (device dm-11): direct IO failed ino 285 rw 0,0 sector 0x4539a0 len 4096 err no 10
[40750.598827] BTRFS warning (device dm-11): direct IO failed ino 285 rw 0,0 sector 0x4539a8 len 4096 err no 10
[40750.709381] BTRFS info (device dm-11): flagging fs with big metadata feature
[40750.709605] BTRFS info (device dm-11): turning on sync discard
[40750.709779] BTRFS info (device dm-11): using free space tree
[40750.709973] BTRFS info (device dm-11): has skinny extents
[40750.712560] BTRFS info (device dm-11): start tree-log replay
[40750.742752] BTRFS warning (device dm-11): lost page write due to IO error on /dev/mapper/error-test (-5)
[40750.743092] BTRFS error (device dm-11): error writing primary super block to device 1
[40750.743343] BTRFS: error (device dm-11) in write_all_supers:4391: errno=-5 IO failure (1 errors while writing supers)
[40750.743643] BTRFS info (device dm-11): forced readonly
[40750.743804] BTRFS: error (device dm-11) in btrfs_sync_log:3360: errno=-5 IO failure
[40750.747348] Buffer I/O error on dev dm-11, logical block 2621424, async page read
[40750.830427] BTRFS info (device dm-11): flagging fs with big metadata feature
[40750.830651] BTRFS info (device dm-11): turning on sync discard
[40750.830826] BTRFS info (device dm-11): using free space tree
[40750.831017] BTRFS info (device dm-11): has skinny extents