[31141.751984] CPU: 0 PID: 1983943 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #528
[31141.752346] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[31141.752732] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[31141.752966] 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 5c 48 8b 05 58 b5 85 01 e8
[31141.753631] RSP: 0018:ffffb09346a8fd28 EFLAGS: 00010202
[31141.753875] RAX: 000000000000000d RBX: ffff957893620800 RCX: 0000000000000000
[31141.754147] RDX: 0000000000000001 RSI: ffffffffa35b5d6a RDI: 00000000ffffffff
[31141.754419] RBP: 0000000000000000 R08: ffff9578e05fd980 R09: 0000000000000000
[31141.754708] R10: ffff957893443900 R11: ffff957899efaa08 R12: ffff9578b5081ee0
[31141.754979] R13: ffff957887452300 R14: ffff9578e05fd888 R15: ffff9578e05fd930
[31141.755253] FS:  00007f1b23125740(0000) GS:ffff9578fbc00000(0000) knlGS:0000000000000000
[31141.755619] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[31141.755869] CR2: 0000563436a1a014 CR3: 0000000160de4005 CR4: 0000000000370ef0
[31141.756132] Call Trace:
[31141.756303]  
[31141.756470]  btrfs_run_delayed_refs+0x86/0x210
[31141.756692]  btrfs_commit_transaction+0x59/0xad0
[31141.756914]  ? btrfs_attach_transaction_barrier+0x1f/0x50
[31141.757142]  ? vfs_fsync_range+0x90/0x90
[31141.757338]  iterate_supers+0x85/0xf0
[31141.757546]  ksys_sync+0x50/0x80
[31141.757734]  __do_sys_sync+0xa/0x10
[31141.757933]  do_syscall_64+0x38/0x90
[31141.758126]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[31141.758349] RIP: 0033:0x7f1b2322007b
[31141.758557] Code: c3 66 0f 1f 44 00 00 48 8b 15 f1 ad 0c 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa b8 a2 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 ad 0c 00 f7 d8 64 89 01 48
[31141.759135] RSP: 002b:00007fff9be522a8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a2
[31141.759374] RAX: ffffffffffffffda RBX: 000000000007a120 RCX: 00007f1b2322007b
[31141.759586] RDX: 00000000ffffffff RSI: 00000000670717c5 RDI: 0000000000000206
[31141.759834] RBP: 028f5c28f5c28f5c R08: 000000000000001e R09: 00007f1b232eba00
[31141.760031] R10: 00007fff9be51d90 R11: 0000000000000206 R12: 0000000000000206
[31141.760226] R13: 8f5c28f5c28f5c29 R14: 0000000000403370 R15: 00007f1b231256c8
[31141.760426]  
[31141.760554] irq event stamp: 0
[31141.760682] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[31141.760865] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[31141.761123] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[31141.761367] softirqs last disabled at (0): [<0000000000000000>] 0x0
[31141.761562] ---[ end trace 4538707148c1e59f ]---
[31141.761800] ------------[ cut here ]------------
[31141.761959] WARNING: CPU: 0 PID: 1983943 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[31141.762235] 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 xfs iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep intel_rapl_common snd_hda_core snd_pcm joydev snd_timer i2c_i801 i2c_smbus snd lpc_ich soundcore virtio_balloon zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[31141.763637] CPU: 0 PID: 1983943 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #528
[31141.763894] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[31141.764150] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[31141.764322] 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 5c 48 8b 05 58 b5 85 01 e8
[31141.764798] RSP: 0018:ffffb09346a8fd28 EFLAGS: 00010202
[31141.764967] RAX: 000000000000000d RBX: ffff957893620800 RCX: 0000000000000000
[31141.765224] RDX: 0000000000000001 RSI: ffffffffa35b5d6a RDI: 00000000ffffffff
[31141.765695] RBP: 0000000000000000 R08: ffff9578dbeb0230 R09: 0000000000000000
[31141.766295] R10: ffff9578e05fd800 R11: ffff957899efaa08 R12: ffff95788605f770
[31141.766726] R13: ffff957887452300 R14: ffff9578dbeb0138 R15: ffff9578dbeb01e0
[31141.767220] FS:  00007f1b23125740(0000) GS:ffff9578fbc00000(0000) knlGS:0000000000000000
[31141.767748] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[31141.768009] CR2: 0000563436a1a014 CR3: 0000000160de4005 CR4: 0000000000370ef0
[31141.768269] Call Trace:
[31141.768454]  
[31141.768659]  btrfs_run_delayed_refs+0x86/0x210
[31141.768904]  btrfs_commit_transaction+0x59/0xad0
[31141.769146]  ? btrfs_attach_transaction_barrier+0x1f/0x50
[31141.769386]  ? vfs_fsync_range+0x90/0x90
[31141.769615]  iterate_supers+0x85/0xf0
[31141.769846]  ksys_sync+0x50/0x80
[31141.770025]  __do_sys_sync+0xa/0x10
[31141.770208]  do_syscall_64+0x38/0x90
[31141.770399]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[31141.770626] RIP: 0033:0x7f1b2322007b
[31141.770845] Code: c3 66 0f 1f 44 00 00 48 8b 15 f1 ad 0c 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa b8 a2 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 ad 0c 00 f7 d8 64 89 01 48
[31141.771555] RSP: 002b:00007fff9be522a8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a2
[31141.771912] RAX: ffffffffffffffda RBX: 000000000007a120 RCX: 00007f1b2322007b
[31141.772185] RDX: 00000000ffffffff RSI: 00000000670717c5 RDI: 0000000000000206
[31141.772463] RBP: 028f5c28f5c28f5c R08: 000000000000001e R09: 00007f1b232eba00
[31141.772759] R10: 00007fff9be51d90 R11: 0000000000000206 R12: 0000000000000206
[31141.773035] R13: 8f5c28f5c28f5c29 R14: 0000000000403370 R15: 00007f1b231256c8
[31141.773318]  
[31141.773486] irq event stamp: 0
[31141.773682] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[31141.773944] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[31141.774308] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[31141.774678] softirqs last disabled at (0): [<0000000000000000>] 0x0
[31141.774940] ---[ end trace 4538707148c1e5a0 ]---
[31141.775284] ------------[ cut here ]------------
[31141.775500] WARNING: CPU: 0 PID: 1983943 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[31141.775914] 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 xfs iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep intel_rapl_common snd_hda_core snd_pcm joydev snd_timer i2c_i801 i2c_smbus snd lpc_ich soundcore virtio_balloon zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[31141.778551] CPU: 0 PID: 1983943 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #528
[31141.778940] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[31141.779336] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[31141.779588] 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 5c 48 8b 05 58 b5 85 01 e8
[31141.780244] RSP: 0018:ffffb09346a8fd28 EFLAGS: 00010202
[31141.780481] RAX: 000000000000000d RBX: ffff957893620800 RCX: 0000000000000000
[31141.780760] RDX: 0000000000000001 RSI: ffffffffa35b5d6a RDI: 00000000ffffffff
[31141.781026] RBP: 0000000000000000 R08: ffff957893443bf0 R09: 0000000000000000
[31141.781293] R10: ffff9578fffd5000 R11: 000000000003a560 R12: ffff95788605faf0
[31141.781564] R13: ffff957887452300 R14: ffff957893443af8 R15: ffff957893443ba0
[31141.781832] FS:  00007f1b23125740(0000) GS:ffff9578fbc00000(0000) knlGS:0000000000000000
[31141.782164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[31141.782433] CR2: 0000563436a1a014 CR3: 0000000160de4005 CR4: 0000000000370ef0
[31141.782720] Call Trace:
[31141.782894]  
[31141.783060]  btrfs_run_delayed_refs+0x86/0x210
[31141.783280]  btrfs_commit_transaction+0x59/0xad0
[31141.783497]  ? btrfs_attach_transaction_barrier+0x1f/0x50
[31141.783747]  ? vfs_fsync_range+0x90/0x90
[31141.783953]  iterate_supers+0x85/0xf0
[31141.784146]  ksys_sync+0x50/0x80
[31141.784335]  __do_sys_sync+0xa/0x10
[31141.784545]  do_syscall_64+0x38/0x90
[31141.784749]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[31141.784975] RIP: 0033:0x7f1b2322007b
[31141.785169] Code: c3 66 0f 1f 44 00 00 48 8b 15 f1 ad 0c 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa b8 a2 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 ad 0c 00 f7 d8 64 89 01 48
[31141.785843] RSP: 002b:00007fff9be522a8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a2
[31141.786184] RAX: ffffffffffffffda RBX: 000000000007a120 RCX: 00007f1b2322007b
[31141.786458] RDX: 00000000ffffffff RSI: 00000000670717c5 RDI: 0000000000000206
[31141.786793] RBP: 028f5c28f5c28f5c R08: 000000000000001e R09: 00007f1b232eba00
[31141.787068] R10: 00007fff9be51d90 R11: 0000000000000206 R12: 0000000000000206
[31141.787341] R13: 8f5c28f5c28f5c29 R14: 0000000000403370 R15: 00007f1b231256c8
[31141.787656]  
[31141.787844] irq event stamp: 0
[31141.788024] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[31141.788278] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[31141.788637] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[31141.789032] softirqs last disabled at (0): [<0000000000000000>] 0x0
[31141.789284] ---[ end trace 4538707148c1e5a1 ]---
[31141.789633] ------------[ cut here ]------------
[31141.797325] WARNING: CPU: 0 PID: 1983943 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[31141.797631] 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 xfs iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep intel_rapl_common snd_hda_core snd_pcm joydev snd_timer i2c_i801 i2c_smbus snd lpc_ich soundcore virtio_balloon zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[31141.799098] CPU: 0 PID: 1983943 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #528
[31141.799359] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[31141.799622] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[31141.799806] 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 5c 48 8b 05 58 b5 85 01 e8
[31141.800289] RSP: 0018:ffffb09346a8fd28 EFLAGS: 00010202
[31141.800457] RAX: 000000000000000d RBX: ffff957893620800 RCX: 0000000000000000
[31141.800687] RDX: 0000000000000001 RSI: ffffffffa35b5d6a RDI: 00000000ffffffff
[31141.800910] RBP: 0000000000000000 R08: ffff9578e06294a0 R09: 0000000000000000
[31141.801112] R10: ffff957893443a00 R11: ffff957899efaa08 R12: ffff9578b5081a80
[31141.801312] R13: ffff957887452300 R14: ffff9578e06293a8 R15: ffff9578e0629450
[31141.801545] FS:  00007f1b23125740(0000) GS:ffff9578fbc00000(0000) knlGS:0000000000000000
[31141.801807] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[31141.801982] CR2: 0000563436a1a014 CR3: 0000000160de4005 CR4: 0000000000370ef0
[31141.802203] Call Trace:
[31141.802330]  
[31141.802450]  btrfs_run_delayed_refs+0x86/0x210
[31141.802622]  btrfs_commit_transaction+0x59/0xad0
[31141.802791]  ? btrfs_attach_transaction_barrier+0x1f/0x50
[31141.802967]  ? vfs_fsync_range+0x90/0x90
[31141.803116]  iterate_supers+0x85/0xf0
[31141.803261]  ksys_sync+0x50/0x80
[31141.803418]  __do_sys_sync+0xa/0x10
[31141.803566]  do_syscall_64+0x38/0x90
[31141.803707]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[31141.803877] RIP: 0033:0x7f1b2322007b
[31141.804352] Code: c3 66 0f 1f 44 00 00 48 8b 15 f1 ad 0c 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa b8 a2 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 ad 0c 00 f7 d8 64 89 01 48
[31141.805013] RSP: 002b:00007fff9be522a8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a2
[31141.805404] RAX: ffffffffffffffda RBX: 000000000007a120 RCX: 00007f1b2322007b
[31141.805715] RDX: 00000000ffffffff RSI: 00000000670717c5 RDI: 0000000000000206
[31141.805988] RBP: 028f5c28f5c28f5c R08: 000000000000001e R09: 00007f1b232eba00
[31141.806264] R10: 00007fff9be51d90 R11: 0000000000000206 R12: 0000000000000206
[31141.806559] R13: 8f5c28f5c28f5c29 R14: 0000000000403370 R15: 00007f1b231256c8
[31141.806829]  
[31141.807010] irq event stamp: 0
[31141.807239] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[31141.807594] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[31141.809105] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[31141.809480] softirqs last disabled at (0): [<0000000000000000>] 0x0
[31141.809784] ---[ end trace 4538707148c1e5a2 ]---
[31141.810131] ------------[ cut here ]------------
[31141.810359] WARNING: CPU: 0 PID: 1983943 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[31141.810789] 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 xfs iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep intel_rapl_common snd_hda_core snd_pcm joydev snd_timer i2c_i801 i2c_smbus snd lpc_ich soundcore virtio_balloon zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[31141.812854] CPU: 0 PID: 1983943 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #528
[31141.813228] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[31141.813614] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[31141.813870] 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 5c 48 8b 05 58 b5 85 01 e8
[31141.814549] RSP: 0018:ffffb09346a8fd28 EFLAGS: 00010202
[31141.814790] RAX: 000000000000000d RBX: ffff957893620800 RCX: 0000000000000000
[31141.815073] RDX: 0000000000000001 RSI: ffffffffa35b5d6a RDI: 00000000ffffffff
[31141.815353] RBP: 0000000000000000 R08: ffff9578934434a0 R09: 0000000000000000
[31141.815647] R10: ffff9578e0629300 R11: ffff957899efaa08 R12: ffff95788605fa80
[31141.815928] R13: ffff957887452300 R14: ffff9578934433a8 R15: ffff957893443450
[31141.816200] FS:  00007f1b23125740(0000) GS:ffff9578fbc00000(0000) knlGS:0000000000000000
[31141.816564] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[31141.816810] CR2: 0000563436a1a014 CR3: 0000000160de4005 CR4: 0000000000370ef0
[31141.817083] Call Trace:
[31141.817258]  
[31141.817429]  btrfs_run_delayed_refs+0x86/0x210
[31141.817664]  btrfs_commit_transaction+0x59/0xad0
[31141.817900]  ? btrfs_attach_transaction_barrier+0x1f/0x50
[31141.818151]  ? vfs_fsync_range+0x90/0x90
[31141.818363]  iterate_supers+0x85/0xf0
[31141.818580]  ksys_sync+0x50/0x80
[31141.818779]  __do_sys_sync+0xa/0x10
[31141.818978]  do_syscall_64+0x38/0x90
[31141.819181]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[31141.819423] RIP: 0033:0x7f1b2322007b
[31141.819643] Code: c3 66 0f 1f 44 00 00 48 8b 15 f1 ad 0c 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa b8 a2 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 ad 0c 00 f7 d8 64 89 01 48
[31141.820309] RSP: 002b:00007fff9be522a8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a2
[31141.820658] RAX: ffffffffffffffda RBX: 000000000007a120 RCX: 00007f1b2322007b
[31141.820939] RDX: 00000000ffffffff RSI: 00000000670717c5 RDI: 0000000000000206
[31141.821223] RBP: 028f5c28f5c28f5c R08: 000000000000001e R09: 00007f1b232eba00
[31141.821511] R10: 00007fff9be51d90 R11: 0000000000000206 R12: 0000000000000206
[31141.821817] R13: 8f5c28f5c28f5c29 R14: 0000000000403370 R15: 00007f1b231256c8
[31141.822111]  
[31141.822280] irq event stamp: 0
[31141.822475] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[31141.822762] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[31141.823138] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[31141.823539] softirqs last disabled at (0): [<0000000000000000>] 0x0
[31141.823810] ---[ end trace 4538707148c1e5a3 ]---
[31141.824166] ------------[ cut here ]------------
[31141.824398] WARNING: CPU: 0 PID: 1983943 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[31141.824821] 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 xfs iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep intel_rapl_common snd_hda_core snd_pcm joydev snd_timer i2c_i801 i2c_smbus snd lpc_ich soundcore virtio_balloon zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[31141.826926] CPU: 0 PID: 1983943 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #528
[31141.827343] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[31141.827752] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[31141.828009] 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 5c 48 8b 05 58 b5 85 01 e8
[31141.828706] RSP: 0018:ffffb09346a8fd28 EFLAGS: 00010202
[31141.828962] RAX: 000000000000000d RBX: ffff957893620800 RCX: 0000000000000000
[31141.829252] RDX: 0000000000000001 RSI: ffffffffa35b5d6a RDI: 00000000ffffffff
[31141.829558] RBP: 0000000000000000 R08: ffff9578e0629bf0 R09: 0000000000000000
[31141.829854] R10: ffff957893443300 R11: ffff957899efaa08 R12: ffff9578b5081770
[31141.830145] R13: ffff957887452300 R14: ffff9578e0629af8 R15: ffff9578e0629ba0
[31141.830438] FS:  00007f1b23125740(0000) GS:ffff9578fbc00000(0000) knlGS:0000000000000000
[31141.830827] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[31141.831086] CR2: 0000563436a1a014 CR3: 0000000160de4005 CR4: 0000000000370ef0
[31141.831381] Call Trace:
[31141.831576]  
[31141.831752]  btrfs_run_delayed_refs+0x86/0x210
[31141.831987]  btrfs_commit_transaction+0x59/0xad0
[31141.832225]  ? btrfs_attach_transaction_barrier+0x1f/0x50
[31141.832476]  ? vfs_fsync_range+0x90/0x90
[31141.832701]  iterate_supers+0x85/0xf0
[31141.832917]  ksys_sync+0x50/0x80
[31141.833118]  __do_sys_sync+0xa/0x10
[31141.833320]  do_syscall_64+0x38/0x90
[31141.833540]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[31141.833785] RIP: 0033:0x7f1b2322007b
[31141.833927] Code: c3 66 0f 1f 44 00 00 48 8b 15 f1 ad 0c 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa b8 a2 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 ad 0c 00 f7 d8 64 89 01 48
[31141.834420] RSP: 002b:00007fff9be522a8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a2
[31141.834670] RAX: ffffffffffffffda RBX: 000000000007a120 RCX: 00007f1b2322007b
[31141.834893] RDX: 00000000ffffffff RSI: 00000000670717c5 RDI: 0000000000000206
[31141.835096] RBP: 028f5c28f5c28f5c R08: 000000000000001e R09: 00007f1b232eba00
[31141.835311] R10: 00007fff9be51d90 R11: 0000000000000206 R12: 0000000000000206
[31141.835542] R13: 8f5c28f5c28f5c29 R14: 0000000000403370 R15: 00007f1b231256c8
[31141.835801]  
[31141.835913] irq event stamp: 0
[31141.836042] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[31141.836220] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[31141.836466] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[31141.843298] softirqs last disabled at (0): [<0000000000000000>] 0x0
[31141.843487] ---[ end trace 4538707148c1e5a4 ]---
[31141.843734] ------------[ cut here ]------------
[31141.843897] WARNING: CPU: 0 PID: 1983943 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[31141.844172] 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 xfs iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep intel_rapl_common snd_hda_core snd_pcm joydev snd_timer i2c_i801 i2c_smbus snd lpc_ich soundcore virtio_balloon zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[31141.845601] CPU: 0 PID: 1983943 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #528
[31141.845899] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[31141.846154] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[31141.846323] 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 5c 48 8b 05 58 b5 85 01 e8
[31141.846799] RSP: 0018:ffffb09346a8fd28 EFLAGS: 00010202
[31141.846965] RAX: 000000000000000d RBX: ffff957893620800 RCX: 0000000000000000
[31141.847158] RDX: 0000000000000001 RSI: ffffffffa35b5d6a RDI: 00000000ffffffff
[31141.847351] RBP: 0000000000000000 R08: ffff9578e0629ab8 R09: 0000000000000000
[31141.847553] R10: ffff9578e0629a00 R11: ffff957899efaa08 R12: ffff9578b5081310
[31141.847774] R13: ffff957887452300 R14: ffff9578e06299c0 R15: ffff9578e0629a68
[31141.847989] FS:  00007f1b23125740(0000) GS:ffff9578fbc00000(0000) knlGS:0000000000000000
[31141.848237] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[31141.848406] CR2: 0000563436a1a014 CR3: 0000000160de4005 CR4: 0000000000370ef0
[31141.848611] Call Trace:
[31141.848732]  
[31141.848856]  btrfs_run_delayed_refs+0x86/0x210
[31141.849009]  btrfs_commit_transaction+0x59/0xad0
[31141.849162]  ? btrfs_attach_transaction_barrier+0x1f/0x50
[31141.849328]  ? vfs_fsync_range+0x90/0x90
[31141.849475]  iterate_supers+0x85/0xf0
[31141.849628]  ksys_sync+0x50/0x80
[31141.849762]  __do_sys_sync+0xa/0x10
[31141.849901]  do_syscall_64+0x38/0x90
[31141.850040]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[31141.850199] RIP: 0033:0x7f1b2322007b
[31141.850335] Code: c3 66 0f 1f 44 00 00 48 8b 15 f1 ad 0c 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa b8 a2 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 ad 0c 00 f7 d8 64 89 01 48
[31141.850806] RSP: 002b:00007fff9be522a8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a2
[31141.851043] RAX: ffffffffffffffda RBX: 000000000007a120 RCX: 00007f1b2322007b
[31141.851463] RDX: 00000000ffffffff RSI: 00000000670717c5 RDI: 0000000000000206
[31141.851730] RBP: 028f5c28f5c28f5c R08: 000000000000001e R09: 00007f1b232eba00
[31141.852165] R10: 00007fff9be51d90 R11: 0000000000000206 R12: 0000000000000206
[31141.852613] R13: 8f5c28f5c28f5c29 R14: 0000000000403370 R15: 00007f1b231256c8
[31141.852998]  
[31141.853240] irq event stamp: 0
[31141.853477] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[31141.853818] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[31141.854245] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[31141.854635] softirqs last disabled at (0): [<0000000000000000>] 0x0
[31141.854856] ---[ end trace 4538707148c1e5a5 ]---
[31141.855095] ------------[ cut here ]------------
[31141.855253] WARNING: CPU: 0 PID: 1983943 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[31141.855563] 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 xfs iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep intel_rapl_common snd_hda_core snd_pcm joydev snd_timer i2c_i801 i2c_smbus snd lpc_ich soundcore virtio_balloon zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[31141.856951] CPU: 0 PID: 1983943 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #528
[31141.857209] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[31141.857462] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[31141.857644] 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 5c 48 8b 05 58 b5 85 01 e8
[31141.858110] RSP: 0018:ffffb09346a8fd28 EFLAGS: 00010202
[31141.858293] RAX: 000000000000000d RBX: ffff957893620800 RCX: 0000000000000000
[31141.858491] RDX: 0000000000000001 RSI: ffffffffa35b5d6a RDI: 00000000ffffffff
[31141.858714] RBP: 0000000000000000 R08: ffff9578e0629368 R09: 0000000000000000
[31141.858910] R10: ffff9578e0629900 R11: ffff957899efaa08 R12: ffff9578b50811c0
[31141.859103] R13: ffff957887452300 R14: ffff9578e0629270 R15: ffff9578e0629318
[31141.859294] FS:  00007f1b23125740(0000) GS:ffff9578fbc00000(0000) knlGS:0000000000000000
[31141.859555] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[31141.859725] CR2: 0000563436a1a014 CR3: 0000000160de4005 CR4: 0000000000370ef0
[31141.859926] Call Trace:
[31141.860045]  
[31141.860164]  btrfs_run_delayed_refs+0x86/0x210
[31141.860316]  btrfs_commit_transaction+0x59/0xad0
[31141.860472]  ? btrfs_attach_transaction_barrier+0x1f/0x50
[31141.860654]  ? vfs_fsync_range+0x90/0x90
[31141.860806]  iterate_supers+0x85/0xf0
[31141.860946]  ksys_sync+0x50/0x80
[31141.861078]  __do_sys_sync+0xa/0x10
[31141.861216]  do_syscall_64+0x38/0x90
[31141.861357]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[31141.861530] RIP: 0033:0x7f1b2322007b
[31141.861669] Code: c3 66 0f 1f 44 00 00 48 8b 15 f1 ad 0c 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa b8 a2 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 ad 0c 00 f7 d8 64 89 01 48
[31141.862138] RSP: 002b:00007fff9be522a8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a2
[31141.862375] RAX: ffffffffffffffda RBX: 000000000007a120 RCX: 00007f1b2322007b
[31141.862607] RDX: 00000000ffffffff RSI: 00000000670717c5 RDI: 0000000000000206
[31141.862815] RBP: 028f5c28f5c28f5c R08: 000000000000001e R09: 00007f1b232eba00
[31141.863020] R10: 00007fff9be51d90 R11: 0000000000000206 R12: 0000000000000206
[31141.863225] R13: 8f5c28f5c28f5c29 R14: 0000000000403370 R15: 00007f1b231256c8
[31141.863453]  
[31141.863584] irq event stamp: 0
[31141.863715] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[31141.863904] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[31141.864160] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[31141.864408] softirqs last disabled at (0): [<0000000000000000>] 0x0
[31141.864604] ---[ end trace 4538707148c1e5a6 ]---
[31141.864874] ------------[ cut here ]------------
[31141.865034] WARNING: CPU: 0 PID: 1983943 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[31141.865319] 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 xfs iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep intel_rapl_common snd_hda_core snd_pcm joydev snd_timer i2c_i801 i2c_smbus snd lpc_ich soundcore virtio_balloon zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[31141.866750] CPU: 0 PID: 1983943 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #528
[31141.867033] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[31141.867292] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[31141.867487] 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 5c 48 8b 05 58 b5 85 01 e8
[31141.867967] RSP: 0018:ffffb09346a8fd28 EFLAGS: 00010202
[31141.868133] RAX: 000000000000000d RBX: ffff957893620800 RCX: 0000000000000000
[31141.868328] RDX: 0000000000000001 RSI: ffffffffa35b5d6a RDI: 00000000ffffffff
[31141.868575] RBP: 0000000000000000 R08: ffff9578d39d4230 R09: 0000000000000000
[31141.868777] R10: 0000000000000000 R11: 00000000000d0000 R12: ffff9578b50813f0
[31141.868968] R13: ffff957887452300 R14: ffff9578d39d4138 R15: ffff9578d39d41e0
[31141.869165] FS:  00007f1b23125740(0000) GS:ffff9578fbc00000(0000) knlGS:0000000000000000
[31141.869440] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[31141.869642] CR2: 0000563436a1a014 CR3: 0000000160de4005 CR4: 0000000000370ef0
[31141.870625] Call Trace:
[31141.870761]  
[31141.870886]  btrfs_run_delayed_refs+0x86/0x210
[31141.871040]  btrfs_commit_transaction+0x59/0xad0
[31141.871195]  ? btrfs_attach_transaction_barrier+0x1f/0x50
[31141.871395]  ? vfs_fsync_range+0x90/0x90
[31141.871550]  iterate_supers+0x85/0xf0
[31141.871690]  ksys_sync+0x50/0x80
[31141.871847]  __do_sys_sync+0xa/0x10
[31141.871987]  do_syscall_64+0x38/0x90
[31141.872128]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[31141.872293] RIP: 0033:0x7f1b2322007b
[31141.872438] Code: c3 66 0f 1f 44 00 00 48 8b 15 f1 ad 0c 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa b8 a2 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 ad 0c 00 f7 d8 64 89 01 48
[31141.872935] RSP: 002b:00007fff9be522a8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a2
[31141.873197] RAX: ffffffffffffffda RBX: 000000000007a120 RCX: 00007f1b2322007b
[31141.873400] RDX: 00000000ffffffff RSI: 00000000670717c5 RDI: 0000000000000206
[31141.873626] RBP: 028f5c28f5c28f5c R08: 000000000000001e R09: 00007f1b232eba00
[31141.873830] R10: 00007fff9be51d90 R11: 0000000000000206 R12: 0000000000000206
[31141.874048] R13: 8f5c28f5c28f5c29 R14: 0000000000403370 R15: 00007f1b231256c8
[31141.874256]  
[31141.874372] irq event stamp: 0
[31141.874527] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[31141.874712] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[31141.880795] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[31141.881059] softirqs last disabled at (0): [<0000000000000000>] 0x0
[31141.881241] ---[ end trace 4538707148c1e5a7 ]---
[31141.881466] ------------[ cut here ]------------
[31141.881636] WARNING: CPU: 0 PID: 1983943 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[31141.881925] 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 xfs iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep intel_rapl_common snd_hda_core snd_pcm joydev snd_timer i2c_i801 i2c_smbus snd lpc_ich soundcore virtio_balloon zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[31141.883362] CPU: 0 PID: 1983943 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #528
[31141.883854] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[31141.884275] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[31141.884649] 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 5c 48 8b 05 58 b5 85 01 e8
[31141.885332] RSP: 0018:ffffb09346a8fd28 EFLAGS: 00010202
[31141.885578] RAX: 000000000000000d RBX: ffff957893620800 RCX: 0000000000000000
[31141.885964] RDX: 0000000000000001 RSI: ffffffffa35b5d6a RDI: 00000000ffffffff
[31141.886295] RBP: 0000000000000000 R08: ffff9578d39d4e60 R09: 0000000000000000
[31141.886602] R10: ffff9578d39d4100 R11: ffff957899efaa08 R12: ffff9578b5081700
[31141.886911] R13: ffff957887452300 R14: ffff9578d39d4d68 R15: ffff9578d39d4e10
[31141.887184] FS:  00007f1b23125740(0000) GS:ffff9578fbc00000(0000) knlGS:0000000000000000
[31141.887447] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[31141.887640] CR2: 0000563436a1a014 CR3: 0000000160de4005 CR4: 0000000000370ef0
[31141.887886] Call Trace:
[31141.888013]  
[31141.888136]  btrfs_run_delayed_refs+0x86/0x210
[31141.888300]  btrfs_commit_transaction+0x59/0xad0
[31141.888466]  ? btrfs_attach_transaction_barrier+0x1f/0x50
[31141.888664]  ? vfs_fsync_range+0x90/0x90
[31141.888826]  iterate_supers+0x85/0xf0
[31141.888997]  ksys_sync+0x50/0x80
[31141.889163]  __do_sys_sync+0xa/0x10
[31141.889358]  do_syscall_64+0x38/0x90
[31141.889578]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[31141.889761] RIP: 0033:0x7f1b2322007b
[31141.889911] Code: c3 66 0f 1f 44 00 00 48 8b 15 f1 ad 0c 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa b8 a2 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 ad 0c 00 f7 d8 64 89 01 48
[31141.890374] RSP: 002b:00007fff9be522a8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a2
[31141.890632] RAX: ffffffffffffffda RBX: 000000000007a120 RCX: 00007f1b2322007b
[31141.890854] RDX: 00000000ffffffff RSI: 00000000670717c5 RDI: 0000000000000206
[31141.891082] RBP: 028f5c28f5c28f5c R08: 000000000000001e R09: 00007f1b232eba00
[31141.891294] R10: 00007fff9be51d90 R11: 0000000000000206 R12: 0000000000000206
[31141.891538] R13: 8f5c28f5c28f5c29 R14: 0000000000403370 R15: 00007f1b231256c8
[31141.891827]  
[31141.891998] irq event stamp: 0
[31141.892134] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[31141.892318] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[31141.892586] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[31141.892866] softirqs last disabled at (0): [<0000000000000000>] 0x0
[31141.893051] ---[ end trace 4538707148c1e5a8 ]---
[31141.893291] ------------[ cut here ]------------
[31141.893496] WARNING: CPU: 0 PID: 1983943 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[31141.893820] 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 xfs iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep intel_rapl_common snd_hda_core snd_pcm joydev snd_timer i2c_i801 i2c_smbus snd lpc_ich soundcore virtio_balloon zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[31141.895453] CPU: 0 PID: 1983943 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #528
[31141.895724] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[31141.896073] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[31141.896275] 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 5c 48 8b 05 58 b5 85 01 e8
[31141.897002] RSP: 0018:ffffb09346a8fd28 EFLAGS: 00010202
[31141.897180] RAX: 000000000000000d RBX: ffff957893620800 RCX: 0000000000000000
[31141.897374] RDX: 0000000000000001 RSI: ffffffffa35b5d6a RDI: 00000000ffffffff
[31141.897580] RBP: 0000000000000000 R08: ffff9578d39d4710 R09: 0000000000000000
[31141.897824] R10: ffff9578d39d4d00 R11: ffff957899efaa08 R12: ffff9578b5081d90
[31141.898020] R13: ffff957887452300 R14: ffff9578d39d4618 R15: ffff9578d39d46c0
[31141.898213] FS:  00007f1b23125740(0000) GS:ffff9578fbc00000(0000) knlGS:0000000000000000
[31141.898530] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[31141.898717] CR2: 0000563436a1a014 CR3: 0000000160de4005 CR4: 0000000000370ef0
[31141.899036] Call Trace:
[31141.899210]  
[31141.899378]  btrfs_run_delayed_refs+0x86/0x210
[31141.899548]  btrfs_commit_transaction+0x59/0xad0
[31141.899705]  ? btrfs_attach_transaction_barrier+0x1f/0x50
[31141.900874]  ? vfs_fsync_range+0x90/0x90
[31141.901021]  iterate_supers+0x85/0xf0
[31141.901174]  ksys_sync+0x50/0x80
[31141.901320]  __do_sys_sync+0xa/0x10
[31141.901468]  do_syscall_64+0x38/0x90
[31141.901683]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[31141.901960] RIP: 0033:0x7f1b2322007b
[31141.902097] Code: c3 66 0f 1f 44 00 00 48 8b 15 f1 ad 0c 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa b8 a2 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 ad 0c 00 f7 d8 64 89 01 48
[31141.902558] RSP: 002b:00007fff9be522a8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a2
[31141.902801] RAX: ffffffffffffffda RBX: 000000000007a120 RCX: 00007f1b2322007b
[31141.902998] RDX: 00000000ffffffff RSI: 00000000670717c5 RDI: 0000000000000206
[31141.903192] RBP: 028f5c28f5c28f5c R08: 000000000000001e R09: 00007f1b232eba00
[31141.903382] R10: 00007fff9be51d90 R11: 0000000000000206 R12: 0000000000000206
[31141.903587] R13: 8f5c28f5c28f5c29 R14: 0000000000403370 R15: 00007f1b231256c8
[31141.903791]  
[31141.903921] irq event stamp: 0
[31141.904082] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[31141.904305] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[31141.904658] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[31141.905029] softirqs last disabled at (0): [<0000000000000000>] 0x0
[31141.905214] ---[ end trace 4538707148c1e5a9 ]---
[31141.905474] ------------[ cut here ]------------
[31141.905646] WARNING: CPU: 0 PID: 1983943 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[31141.905941] 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 xfs iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep intel_rapl_common snd_hda_core snd_pcm joydev snd_timer i2c_i801 i2c_smbus snd lpc_ich soundcore virtio_balloon zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[31141.907482] CPU: 0 PID: 1983943 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #528
[31141.907747] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[31141.908014] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[31141.908184] 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 5c 48 8b 05 58 b5 85 01 e8
[31141.908653] RSP: 0018:ffffb09346a8fcb0 EFLAGS: 00010202
[31141.908860] RAX: 000000000000000d RBX: ffff957893620800 RCX: 0000000000000000
[31141.909135] RDX: 0000000000000001 RSI: ffffffffa35b5d6a RDI: 00000000ffffffff
[31141.909345] RBP: 0000000000000000 R08: ffff9578d39d4368 R09: 0000000000000000
[31141.909550] R10: 0000000000000000 R11: 0000000000000000 R12: ffff9578b5081000
[31141.909750] R13: ffff957887452300 R14: ffff9578d39d4270 R15: ffff9578d39d4318
[31141.909953] FS:  00007f1b23125740(0000) GS:ffff9578fbc00000(0000) knlGS:0000000000000000
[31141.910197] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[31141.910373] CR2: 0000563436a1a014 CR3: 0000000160de4005 CR4: 0000000000370ef0
[31141.910581] Call Trace:
[31141.910706]  
[31141.910846]  ? btrfs_get_32+0x31/0xf0
[31141.911016]  ? __mutex_lock+0x80/0x8a0
[31141.911218]  ? __mutex_lock+0xda/0x8a0
[31141.911384]  ? rcu_read_lock_sched_held+0x12/0x60
[31141.911556]  ? lock_release+0x1f0/0x2d0
[31141.911704]  btrfs_run_delayed_refs+0x86/0x210
[31141.911869]  ? __mutex_unlock_slowpath+0x35/0x260
[31141.912209]  btrfs_start_dirty_block_groups+0x2af/0x540
[31141.912401]  ? __mutex_unlock_slowpath+0x35/0x260
[31141.912726]  btrfs_commit_transaction+0x85e/0xad0
[31141.913095]  ? btrfs_attach_transaction_barrier+0x1f/0x50
[31141.913435]  ? vfs_fsync_range+0x90/0x90
[31141.913796]  iterate_supers+0x85/0xf0
[31141.914102]  ksys_sync+0x50/0x80
[31141.914423]  __do_sys_sync+0xa/0x10
[31141.914647]  do_syscall_64+0x38/0x90
[31141.914842]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[31141.915148] RIP: 0033:0x7f1b2322007b
[31141.915390] Code: c3 66 0f 1f 44 00 00 48 8b 15 f1 ad 0c 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa b8 a2 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 ad 0c 00 f7 d8 64 89 01 48
[31141.922500] RSP: 002b:00007fff9be522a8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a2
[31141.922844] RAX: ffffffffffffffda RBX: 000000000007a120 RCX: 00007f1b2322007b
[31141.923110] RDX: 00000000ffffffff RSI: 00000000670717c5 RDI: 0000000000000206
[31141.923307] RBP: 028f5c28f5c28f5c R08: 000000000000001e R09: 00007f1b232eba00
[31141.923501] R10: 00007fff9be51d90 R11: 0000000000000206 R12: 0000000000000206
[31141.923708] R13: 8f5c28f5c28f5c29 R14: 0000000000403370 R15: 00007f1b231256c8
[31141.923921]  
[31141.924034] irq event stamp: 0
[31141.924161] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[31141.924343] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[31141.924613] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[31141.924938] softirqs last disabled at (0): [<0000000000000000>] 0x0
[31141.925179] ---[ end trace 4538707148c1e5aa ]---
[31141.925410] ------------[ cut here ]------------
[31141.925575] WARNING: CPU: 0 PID: 1983943 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[31141.925875] 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 xfs iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep intel_rapl_common snd_hda_core snd_pcm joydev snd_timer i2c_i801 i2c_smbus snd lpc_ich soundcore virtio_balloon zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[31141.927403] CPU: 0 PID: 1983943 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #528
[31141.927672] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[31141.927940] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[31141.928114] 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 5c 48 8b 05 58 b5 85 01 e8
[31141.928606] RSP: 0018:ffffb09346a8fcb0 EFLAGS: 00010202
[31141.928832] RAX: 000000000000000d RBX: ffff957893620800 RCX: 0000000000000000
[31141.929105] RDX: 0000000000000001 RSI: ffffffffa35b5d6a RDI: 00000000ffffffff
[31141.929379] RBP: 0000000000000000 R08: ffff9578d39d4848 R09: 0000000000000000
[31141.929605] R10: ffff9578d39d4200 R11: ffff957899efaa08 R12: ffff9578d3b552a0
[31141.929808] R13: ffff957887452300 R14: ffff9578d39d4750 R15: ffff9578d39d47f8
[31141.930012] FS:  00007f1b23125740(0000) GS:ffff9578fbc00000(0000) knlGS:0000000000000000
[31141.930259] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[31141.930431] CR2: 0000563436a1a014 CR3: 0000000160de4005 CR4: 0000000000370ef0
[31141.930634] Call Trace:
[31141.931882]  
[31141.932029]  ? __mutex_lock+0x80/0x8a0
[31141.932179]  ? __mutex_lock+0xda/0x8a0
[31141.932329]  ? lock_release+0x1d0/0x2d0
[31141.932482]  btrfs_run_delayed_refs+0x86/0x210
[31141.932669]  ? __mutex_unlock_slowpath+0x35/0x260
[31141.932871]  btrfs_start_dirty_block_groups+0x2af/0x540
[31141.933058]  ? __mutex_unlock_slowpath+0x35/0x260
[31141.933271]  btrfs_commit_transaction+0x85e/0xad0
[31141.933449]  ? btrfs_attach_transaction_barrier+0x1f/0x50
[31141.933669]  ? vfs_fsync_range+0x90/0x90
[31141.933913]  iterate_supers+0x85/0xf0
[31141.934078]  ksys_sync+0x50/0x80
[31141.934214]  __do_sys_sync+0xa/0x10
[31141.934349]  do_syscall_64+0x38/0x90
[31141.934487]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[31141.934661] RIP: 0033:0x7f1b2322007b
[31141.934853] Code: c3 66 0f 1f 44 00 00 48 8b 15 f1 ad 0c 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa b8 a2 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 ad 0c 00 f7 d8 64 89 01 48
[31141.935316] RSP: 002b:00007fff9be522a8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a2
[31141.935662] RAX: ffffffffffffffda RBX: 000000000007a120 RCX: 00007f1b2322007b
[31141.935946] RDX: 00000000ffffffff RSI: 00000000670717c5 RDI: 0000000000000206
[31141.936219] RBP: 028f5c28f5c28f5c R08: 000000000000001e R09: 00007f1b232eba00
[31141.936458] R10: 00007fff9be51d90 R11: 0000000000000206 R12: 0000000000000206
[31141.936693] R13: 8f5c28f5c28f5c29 R14: 0000000000403370 R15: 00007f1b231256c8
[31141.936963]  
[31141.937128] irq event stamp: 0
[31141.937278] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[31141.937457] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[31141.937722] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[31141.937987] softirqs last disabled at (0): [<0000000000000000>] 0x0
[31141.938170] ---[ end trace 4538707148c1e5ab ]---
[31141.938404] ------------[ cut here ]------------
[31141.938571] WARNING: CPU: 0 PID: 1983943 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[31141.938927] 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 xfs iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep intel_rapl_common snd_hda_core snd_pcm joydev snd_timer i2c_i801 i2c_smbus snd lpc_ich soundcore virtio_balloon zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[31141.940534] CPU: 0 PID: 1983943 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #528
[31141.940789] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[31141.941054] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[31141.941251] 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 5c 48 8b 05 58 b5 85 01 e8
[31141.942002] RSP: 0018:ffffb09346a8fcb0 EFLAGS: 00010202
[31141.942178] RAX: 000000000000000d RBX: ffff957893620800 RCX: 0000000000000000
[31141.942379] RDX: 0000000000000001 RSI: ffffffffa35b5d6a RDI: 00000000ffffffff
[31141.942587] RBP: 0000000000000000 R08: ffff9578d39d44a0 R09: 0000000000000000
[31141.942805] R10: ffff9578d39d4700 R11: ffff957899efaa08 R12: ffff9578cc0d6230
[31141.942999] R13: ffff957887452300 R14: ffff9578d39d43a8 R15: ffff9578d39d4450
[31141.943190] FS:  00007f1b23125740(0000) GS:ffff9578fbc00000(0000) knlGS:0000000000000000
[31141.943434] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[31141.943636] CR2: 0000563436a1a014 CR3: 0000000160de4005 CR4: 0000000000370ef0
[31141.943893] Call Trace:
[31141.944060]  
[31141.944201]  ? __mutex_lock+0x80/0x8a0
[31141.944346]  ? __mutex_lock+0xda/0x8a0
[31141.944484]  ? lock_release+0x1d0/0x2d0
[31141.944638]  btrfs_run_delayed_refs+0x86/0x210
[31141.944800]  ? __mutex_unlock_slowpath+0x35/0x260
[31141.944966]  btrfs_start_dirty_block_groups+0x2af/0x540
[31141.945150]  ? __mutex_unlock_slowpath+0x35/0x260
[31141.945310]  btrfs_commit_transaction+0x85e/0xad0
[31141.945490]  ? btrfs_attach_transaction_barrier+0x1f/0x50
[31141.945669]  ? vfs_fsync_range+0x90/0x90
[31141.945842]  iterate_supers+0x85/0xf0
[31141.946001]  ksys_sync+0x50/0x80
[31141.946188]  __do_sys_sync+0xa/0x10
[31141.946384]  do_syscall_64+0x38/0x90
[31141.946547]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[31141.946711] RIP: 0033:0x7f1b2322007b
[31141.946903] Code: c3 66 0f 1f 44 00 00 48 8b 15 f1 ad 0c 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa b8 a2 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 ad 0c 00 f7 d8 64 89 01 48
[31141.947357] RSP: 002b:00007fff9be522a8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a2
[31141.947604] RAX: ffffffffffffffda RBX: 000000000007a120 RCX: 00007f1b2322007b
[31141.947812] RDX: 00000000ffffffff RSI: 00000000670717c5 RDI: 0000000000000206
[31141.948539] RBP: 028f5c28f5c28f5c R08: 000000000000001e R09: 00007f1b232eba00
[31141.948863] R10: 00007fff9be51d90 R11: 0000000000000206 R12: 0000000000000206
[31141.949154] R13: 8f5c28f5c28f5c29 R14: 0000000000403370 R15: 00007f1b231256c8
[31141.949444]  
[31141.949625] irq event stamp: 0
[31141.949795] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[31141.950083] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[31141.950424] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[31141.950863] softirqs last disabled at (0): [<0000000000000000>] 0x0
[31141.951196] ---[ end trace 4538707148c1e5ac ]---
[31141.951602] ------------[ cut here ]------------
[31141.951772] WARNING: CPU: 0 PID: 1983943 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[31141.952104] 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 xfs iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep intel_rapl_common snd_hda_core snd_pcm joydev snd_timer i2c_i801 i2c_smbus snd lpc_ich soundcore virtio_balloon zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[31141.953637] CPU: 0 PID: 1983943 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #528
[31141.953996] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[31141.954253] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[31141.954447] 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 5c 48 8b 05 58 b5 85 01 e8
[31141.954931] RSP: 0018:ffffb09346a8fcb0 EFLAGS: 00010202
[31141.955097] RAX: 000000000000000d RBX: ffff957893620800 RCX: 0000000000000000
[31141.955290] RDX: 0000000000000001 RSI: ffffffffa35b5d6a RDI: 00000000ffffffff
[31141.955510] RBP: 0000000000000000 R08: ffff9578d39d9f98 R09: 0000000000000000
[31141.955732] R10: 0000000000000000 R11: 00000000000d0000 R12: ffff9578cc0d60e0
[31141.955997] R13: ffff957887452300 R14: ffff9578d39d9ea0 R15: ffff9578d39d9f48
[31141.956274] FS:  00007f1b23125740(0000) GS:ffff9578fbc00000(0000) knlGS:0000000000000000
[31141.956584] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[31141.956763] CR2: 0000563436a1a014 CR3: 0000000160de4005 CR4: 0000000000370ef0
[31141.964354] Call Trace:
[31141.964506]  
[31141.964642]  ? __mutex_lock+0x80/0x8a0
[31141.964803]  ? __mutex_lock+0xda/0x8a0
[31141.964958]  ? lock_release+0x1d0/0x2d0
[31141.965108]  btrfs_run_delayed_refs+0x86/0x210
[31141.965282]  ? __mutex_unlock_slowpath+0x35/0x260
[31141.965478]  btrfs_start_dirty_block_groups+0x2af/0x540
[31141.965747]  ? __mutex_unlock_slowpath+0x35/0x260
[31141.965955]  btrfs_commit_transaction+0x85e/0xad0
[31141.966114]  ? btrfs_attach_transaction_barrier+0x1f/0x50
[31141.966284]  ? vfs_fsync_range+0x90/0x90
[31141.966428]  iterate_supers+0x85/0xf0
[31141.966578]  ksys_sync+0x50/0x80
[31141.966714]  __do_sys_sync+0xa/0x10
[31141.966905]  do_syscall_64+0x38/0x90
[31141.967043]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[31141.967203] RIP: 0033:0x7f1b2322007b
[31141.967343] Code: c3 66 0f 1f 44 00 00 48 8b 15 f1 ad 0c 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa b8 a2 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 ad 0c 00 f7 d8 64 89 01 48
[31141.967912] RSP: 002b:00007fff9be522a8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a2
[31141.968233] RAX: ffffffffffffffda RBX: 000000000007a120 RCX: 00007f1b2322007b
[31141.968430] RDX: 00000000ffffffff RSI: 00000000670717c5 RDI: 0000000000000206
[31141.968637] RBP: 028f5c28f5c28f5c R08: 000000000000001e R09: 00007f1b232eba00
[31141.968895] R10: 00007fff9be51d90 R11: 0000000000000206 R12: 0000000000000206
[31141.969091] R13: 8f5c28f5c28f5c29 R14: 0000000000403370 R15: 00007f1b231256c8
[31141.969290]  
[31141.969402] irq event stamp: 0
[31141.969543] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[31141.969728] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[31141.970057] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[31141.970404] softirqs last disabled at (0): [<0000000000000000>] 0x0
[31141.970638] ---[ end trace 4538707148c1e5ad ]---
[31141.970890] ------------[ cut here ]------------
[31141.971047] WARNING: CPU: 0 PID: 1983943 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[31141.971327] 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 xfs iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep intel_rapl_common snd_hda_core snd_pcm joydev snd_timer i2c_i801 i2c_smbus snd lpc_ich soundcore virtio_balloon zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[31141.972893] CPU: 0 PID: 1983943 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #528
[31141.973155] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[31141.973407] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[31141.973594] 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 5c 48 8b 05 58 b5 85 01 e8
[31141.974062] RSP: 0018:ffffb09346a8fcb0 EFLAGS: 00010202
[31141.974223] RAX: 000000000000000d RBX: ffff957893620800 RCX: 0000000000000000
[31141.974429] RDX: 0000000000000001 RSI: ffffffffa35b5d6a RDI: 00000000ffffffff
[31141.974681] RBP: 0000000000000000 R08: ffff9578d39d9848 R09: 0000000000000000
[31141.974904] R10: ffff9578d39d9e00 R11: ffff957899efaa08 R12: ffff9578cc0d6540
[31141.975097] R13: ffff957887452300 R14: ffff9578d39d9750 R15: ffff9578d39d97f8
[31141.975293] FS:  00007f1b23125740(0000) GS:ffff9578fbc00000(0000) knlGS:0000000000000000
[31141.975552] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[31141.975771] CR2: 0000563436a1a014 CR3: 0000000160de4005 CR4: 0000000000370ef0
[31141.975971] Call Trace:
[31141.976097]  
[31141.976216]  ? __mutex_lock+0x80/0x8a0
[31141.976361]  ? __mutex_lock+0xda/0x8a0
[31141.976533]  ? lock_release+0x1d0/0x2d0
[31141.976679]  btrfs_run_delayed_refs+0x86/0x210
[31141.976832]  ? __mutex_unlock_slowpath+0x35/0x260
[31141.976989]  btrfs_start_dirty_block_groups+0x2af/0x540
[31141.977178]  ? __mutex_unlock_slowpath+0x35/0x260
[31141.977340]  btrfs_commit_transaction+0x85e/0xad0
[31141.977500]  ? btrfs_attach_transaction_barrier+0x1f/0x50
[31141.977682]  ? vfs_fsync_range+0x90/0x90
[31141.977854]  iterate_supers+0x85/0xf0
[31141.978003]  ksys_sync+0x50/0x80
[31141.978141]  __do_sys_sync+0xa/0x10
[31141.978283]  do_syscall_64+0x38/0x90
[31141.978430]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[31141.978645] RIP: 0033:0x7f1b2322007b
[31141.978787] Code: c3 66 0f 1f 44 00 00 48 8b 15 f1 ad 0c 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa b8 a2 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 ad 0c 00 f7 d8 64 89 01 48
[31141.979247] RSP: 002b:00007fff9be522a8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a2
[31141.979485] RAX: ffffffffffffffda RBX: 000000000007a120 RCX: 00007f1b2322007b
[31141.979713] RDX: 00000000ffffffff RSI: 00000000670717c5 RDI: 0000000000000206
[31141.979915] RBP: 028f5c28f5c28f5c R08: 000000000000001e R09: 00007f1b232eba00
[31141.980117] R10: 00007fff9be51d90 R11: 0000000000000206 R12: 0000000000000206
[31141.980315] R13: 8f5c28f5c28f5c29 R14: 0000000000403370 R15: 00007f1b231256c8
[31141.980548]  
[31141.980664] irq event stamp: 0
[31141.980793] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[31141.980971] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[31141.981224] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[31141.981468] softirqs last disabled at (0): [<0000000000000000>] 0x0
[31141.981682] ---[ end trace 4538707148c1e5ae ]---
[31141.981925] ------------[ cut here ]------------
[31141.982294] WARNING: CPU: 0 PID: 1983943 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[31141.982659] 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 xfs iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep intel_rapl_common snd_hda_core snd_pcm joydev snd_timer i2c_i801 i2c_smbus snd lpc_ich soundcore virtio_balloon zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[31141.984489] CPU: 0 PID: 1983943 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #528
[31141.984790] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[31141.985159] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[31141.985363] 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 5c 48 8b 05 58 b5 85 01 e8
[31141.985908] RSP: 0018:ffffb09346a8fcb0 EFLAGS: 00010202
[31141.986085] RAX: 000000000000000d RBX: ffff957893620800 RCX: 0000000000000000
[31141.986287] RDX: 0000000000000001 RSI: ffffffffa35b5d6a RDI: 00000000ffffffff
[31141.986492] RBP: 0000000000000000 R08: ffff9578d39d94a0 R09: 0000000000000000
[31141.986706] R10: ffff9578d39d9700 R11: ffff957899efaa08 R12: ffff9578cc0d6af0
[31141.986917] R13: ffff957887452300 R14: ffff9578d39d93a8 R15: ffff9578d39d9450
[31141.987123] FS:  00007f1b23125740(0000) GS:ffff9578fbc00000(0000) knlGS:0000000000000000
[31141.987381] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[31141.987575] CR2: 0000563436a1a014 CR3: 0000000160de4005 CR4: 0000000000370ef0
[31141.987786] Call Trace:
[31141.987910]  
[31141.988031]  ? __mutex_lock+0x80/0x8a0
[31141.988186]  ? __mutex_lock+0xda/0x8a0
[31141.988334]  ? lock_release+0x1d0/0x2d0
[31141.988484]  btrfs_run_delayed_refs+0x86/0x210
[31141.988658]  ? __mutex_unlock_slowpath+0x35/0x260
[31141.988827]  btrfs_start_dirty_block_groups+0x2af/0x540
[31141.989001]  ? __mutex_unlock_slowpath+0x35/0x260
[31141.989165]  btrfs_commit_transaction+0x85e/0xad0
[31141.989332]  ? btrfs_attach_transaction_barrier+0x1f/0x50
[31141.989512]  ? vfs_fsync_range+0x90/0x90
[31141.989683]  iterate_supers+0x85/0xf0
[31141.989835]  ksys_sync+0x50/0x80
[31141.989976]  __do_sys_sync+0xa/0x10
[31141.990123]  do_syscall_64+0x38/0x90
[31141.990267]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[31141.990438] RIP: 0033:0x7f1b2322007b
[31141.990614] Code: c3 66 0f 1f 44 00 00 48 8b 15 f1 ad 0c 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa b8 a2 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 ad 0c 00 f7 d8 64 89 01 48
[31141.991085] RSP: 002b:00007fff9be522a8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a2
[31141.991328] RAX: ffffffffffffffda RBX: 000000000007a120 RCX: 00007f1b2322007b
[31141.991540] RDX: 00000000ffffffff RSI: 00000000670717c5 RDI: 0000000000000206
[31141.992563] RBP: 028f5c28f5c28f5c R08: 000000000000001e R09: 00007f1b232eba00
[31141.992859] R10: 00007fff9be51d90 R11: 0000000000000206 R12: 0000000000000206
[31141.993152] R13: 8f5c28f5c28f5c29 R14: 0000000000403370 R15: 00007f1b231256c8
[31141.993446]  
[31141.993637] irq event stamp: 0
[31141.993862] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[31141.994142] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[31141.994551] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[31141.994956] softirqs last disabled at (0): [<0000000000000000>] 0x0
[31141.995238] ---[ end trace 4538707148c1e5af ]---
[31141.995630] ------------[ cut here ]------------
[31141.995895] WARNING: CPU: 0 PID: 1983943 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[31141.996358] 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 xfs iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep intel_rapl_common snd_hda_core snd_pcm joydev snd_timer i2c_i801 i2c_smbus snd lpc_ich soundcore virtio_balloon zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[31142.003953] CPU: 0 PID: 1983943 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #528
[31142.004217] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[31142.004487] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[31142.004691] 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 5c 48 8b 05 58 b5 85 01 e8
[31142.005189] RSP: 0018:ffffb09346a8fcb0 EFLAGS: 00010202
[31142.005363] RAX: 000000000000000d RBX: ffff957893620800 RCX: 0000000000000000
[31142.005576] RDX: 0000000000000001 RSI: ffffffffa35b5d6a RDI: 00000000ffffffff
[31142.005785] RBP: 0000000000000000 R08: ffff9578d39d9980 R09: 0000000000000000
[31142.006019] R10: ffff9578d39d9300 R11: ffff957899efaa08 R12: ffff9578cc0d6070
[31142.006222] R13: ffff957887452300 R14: ffff9578d39d9888 R15: ffff9578d39d9930
[31142.006425] FS:  00007f1b23125740(0000) GS:ffff9578fbc00000(0000) knlGS:0000000000000000
[31142.006709] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[31142.006890] CR2: 0000563436a1a014 CR3: 0000000160de4005 CR4: 0000000000370ef0
[31142.007095] Call Trace:
[31142.007215]  
[31142.007355]  ? __mutex_lock+0x80/0x8a0
[31142.007505]  ? __mutex_lock+0xda/0x8a0
[31142.007664]  ? lock_release+0x1d0/0x2d0
[31142.007821]  btrfs_run_delayed_refs+0x86/0x210
[31142.007987]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.008155]  btrfs_start_dirty_block_groups+0x2af/0x540
[31142.008330]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.008493]  btrfs_commit_transaction+0x85e/0xad0
[31142.008686]  ? btrfs_attach_transaction_barrier+0x1f/0x50
[31142.008866]  ? vfs_fsync_range+0x90/0x90
[31142.009016]  iterate_supers+0x85/0xf0
[31142.009159]  ksys_sync+0x50/0x80
[31142.009296]  __do_sys_sync+0xa/0x10
[31142.009438]  do_syscall_64+0x38/0x90
[31142.009611]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[31142.009791] RIP: 0033:0x7f1b2322007b
[31142.009939] Code: c3 66 0f 1f 44 00 00 48 8b 15 f1 ad 0c 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa b8 a2 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 ad 0c 00 f7 d8 64 89 01 48
[31142.010417] RSP: 002b:00007fff9be522a8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a2
[31142.010698] RAX: ffffffffffffffda RBX: 000000000007a120 RCX: 00007f1b2322007b
[31142.010906] RDX: 00000000ffffffff RSI: 00000000670717c5 RDI: 0000000000000206
[31142.011108] RBP: 028f5c28f5c28f5c R08: 000000000000001e R09: 00007f1b232eba00
[31142.011303] R10: 00007fff9be51d90 R11: 0000000000000206 R12: 0000000000000206
[31142.011502] R13: 8f5c28f5c28f5c29 R14: 0000000000403370 R15: 00007f1b231256c8
[31142.011752]  
[31142.011869] irq event stamp: 0
[31142.012005] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[31142.012194] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[31142.012450] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[31142.012750] softirqs last disabled at (0): [<0000000000000000>] 0x0
[31142.013478] ---[ end trace 4538707148c1e5b0 ]---
[31142.013837] ------------[ cut here ]------------
[31142.014188] WARNING: CPU: 0 PID: 1983943 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[31142.014700] 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 xfs iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep intel_rapl_common snd_hda_core snd_pcm joydev snd_timer i2c_i801 i2c_smbus snd lpc_ich soundcore virtio_balloon zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[31142.016561] CPU: 0 PID: 1983943 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #528
[31142.016851] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[31142.017101] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[31142.017274] 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 5c 48 8b 05 58 b5 85 01 e8
[31142.017745] RSP: 0018:ffffb09346a8fcb0 EFLAGS: 00010202
[31142.017950] RAX: 000000000000000d RBX: ffff957893620800 RCX: 0000000000000000
[31142.018146] RDX: 0000000000000001 RSI: ffffffffa35b5d6a RDI: 00000000ffffffff
[31142.018341] RBP: 0000000000000000 R08: ffff9578d39d95d8 R09: 0000000000000000
[31142.018547] R10: ffff9578d39d9800 R11: ffff957899efaa08 R12: ffff9578cc0d6150
[31142.018769] R13: ffff957887452300 R14: ffff9578d39d94e0 R15: ffff9578d39d9588
[31142.018985] FS:  00007f1b23125740(0000) GS:ffff9578fbc00000(0000) knlGS:0000000000000000
[31142.019233] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[31142.019404] CR2: 0000563436a1a014 CR3: 0000000160de4005 CR4: 0000000000370ef0
[31142.019611] Call Trace:
[31142.019739]  
[31142.019898]  ? __mutex_lock+0x80/0x8a0
[31142.020040]  ? __mutex_lock+0xda/0x8a0
[31142.020183]  ? lock_release+0x1d0/0x2d0
[31142.020329]  btrfs_run_delayed_refs+0x86/0x210
[31142.020479]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.020646]  btrfs_start_dirty_block_groups+0x2af/0x540
[31142.020841]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.021004]  btrfs_commit_transaction+0x85e/0xad0
[31142.021166]  ? btrfs_attach_transaction_barrier+0x1f/0x50
[31142.021336]  ? vfs_fsync_range+0x90/0x90
[31142.021533]  iterate_supers+0x85/0xf0
[31142.021682]  ksys_sync+0x50/0x80
[31142.022420]  __do_sys_sync+0xa/0x10
[31142.022637]  do_syscall_64+0x38/0x90
[31142.022856]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[31142.023095] RIP: 0033:0x7f1b2322007b
[31142.023298] Code: c3 66 0f 1f 44 00 00 48 8b 15 f1 ad 0c 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa b8 a2 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 ad 0c 00 f7 d8 64 89 01 48
[31142.024009] RSP: 002b:00007fff9be522a8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a2
[31142.024369] RAX: ffffffffffffffda RBX: 000000000007a120 RCX: 00007f1b2322007b
[31142.024672] RDX: 00000000ffffffff RSI: 00000000670717c5 RDI: 0000000000000206
[31142.024966] RBP: 028f5c28f5c28f5c R08: 000000000000001e R09: 00007f1b232eba00
[31142.025258] R10: 00007fff9be51d90 R11: 0000000000000206 R12: 0000000000000206
[31142.025564] R13: 8f5c28f5c28f5c29 R14: 0000000000403370 R15: 00007f1b231256c8
[31142.025864]  
[31142.026009] irq event stamp: 0
[31142.026137] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[31142.026319] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[31142.026582] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[31142.026835] softirqs last disabled at (0): [<0000000000000000>] 0x0
[31142.027017] ---[ end trace 4538707148c1e5b1 ]---
[31142.027249] ------------[ cut here ]------------
[31142.027405] WARNING: CPU: 0 PID: 1983943 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[31142.027693] 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 xfs iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep intel_rapl_common snd_hda_core snd_pcm joydev snd_timer i2c_i801 i2c_smbus snd lpc_ich soundcore virtio_balloon zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[31142.029086] CPU: 0 PID: 1983943 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #528
[31142.029337] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[31142.029603] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[31142.029776] 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 5c 48 8b 05 58 b5 85 01 e8
[31142.030241] RSP: 0018:ffffb09346a8fcb0 EFLAGS: 00010202
[31142.030407] RAX: 000000000000000d RBX: ffff957893620800 RCX: 0000000000000000
[31142.030611] RDX: 0000000000000001 RSI: ffffffffa35b5d6a RDI: 00000000ffffffff
[31142.030810] RBP: 0000000000000000 R08: ffff9578cc0f2368 R09: 0000000000000000
[31142.031002] R10: 0000000000000000 R11: 00000000000d0000 R12: ffff9578cc0d6bd0
[31142.031196] R13: ffff957887452300 R14: ffff9578cc0f2270 R15: ffff9578cc0f2318
[31142.031388] FS:  00007f1b23125740(0000) GS:ffff9578fbc00000(0000) knlGS:0000000000000000
[31142.031644] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[31142.031823] CR2: 0000563436a1a014 CR3: 0000000160de4005 CR4: 0000000000370ef0
[31142.032021] Call Trace:
[31142.032141]  
[31142.032258]  ? __mutex_lock+0x80/0x8a0
[31142.032401]  ? __mutex_lock+0xda/0x8a0
[31142.032552]  ? lock_release+0x1d0/0x2d0
[31142.032699]  btrfs_run_delayed_refs+0x86/0x210
[31142.032858]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.033041]  btrfs_start_dirty_block_groups+0x2af/0x540
[31142.033206]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.033361]  btrfs_commit_transaction+0x85e/0xad0
[31142.033530]  ? btrfs_attach_transaction_barrier+0x1f/0x50
[31142.033701]  ? vfs_fsync_range+0x90/0x90
[31142.033848]  iterate_supers+0x85/0xf0
[31142.033987]  ksys_sync+0x50/0x80
[31142.034121]  __do_sys_sync+0xa/0x10
[31142.034257]  do_syscall_64+0x38/0x90
[31142.034395]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[31142.034571] RIP: 0033:0x7f1b2322007b
[31142.034712] Code: c3 66 0f 1f 44 00 00 48 8b 15 f1 ad 0c 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa b8 a2 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 ad 0c 00 f7 d8 64 89 01 48
[31142.035166] RSP: 002b:00007fff9be522a8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a2
[31142.035402] RAX: ffffffffffffffda RBX: 000000000007a120 RCX: 00007f1b2322007b
[31142.035606] RDX: 00000000ffffffff RSI: 00000000670717c5 RDI: 0000000000000206
[31142.041425] RBP: 028f5c28f5c28f5c R08: 000000000000001e R09: 00007f1b232eba00
[31142.041637] R10: 00007fff9be51d90 R11: 0000000000000206 R12: 0000000000000206
[31142.041841] R13: 8f5c28f5c28f5c29 R14: 0000000000403370 R15: 00007f1b231256c8
[31142.042041]  
[31142.042158] irq event stamp: 0
[31142.042285] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[31142.042465] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[31142.042729] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[31142.042985] softirqs last disabled at (0): [<0000000000000000>] 0x0
[31142.043167] ---[ end trace 4538707148c1e5b2 ]---
[31142.043399] ------------[ cut here ]------------
[31142.043563] WARNING: CPU: 0 PID: 1983943 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[31142.044409] 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 xfs iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep intel_rapl_common snd_hda_core snd_pcm joydev snd_timer i2c_i801 i2c_smbus snd lpc_ich soundcore virtio_balloon zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[31142.046738] CPU: 0 PID: 1983943 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #528
[31142.047031] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[31142.047412] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[31142.047710] 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 5c 48 8b 05 58 b5 85 01 e8
[31142.048268] RSP: 0018:ffffb09346a8fcb0 EFLAGS: 00010202
[31142.048436] RAX: 000000000000000d RBX: ffff957893620800 RCX: 0000000000000000
[31142.048639] RDX: 0000000000000001 RSI: ffffffffa35b5d6a RDI: 00000000ffffffff
[31142.048881] RBP: 0000000000000000 R08: ffff9578cc0f20f8 R09: 0000000000000000
[31142.049071] R10: ffff9578cc0f2201 R11: ffff957899efaa08 R12: ffff9578cc0d6770
[31142.049264] R13: ffff957887452300 R14: ffff9578cc0f2000 R15: ffff9578cc0f20a8
[31142.049456] FS:  00007f1b23125740(0000) GS:ffff9578fbc00000(0000) knlGS:0000000000000000
[31142.049713] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[31142.049932] CR2: 0000563436a1a014 CR3: 0000000160de4005 CR4: 0000000000370ef0
[31142.050128] Call Trace:
[31142.050246]  
[31142.050364]  ? __mutex_lock+0x80/0x8a0
[31142.050510]  ? __mutex_lock+0xda/0x8a0
[31142.050660]  ? lock_release+0x1d0/0x2d0
[31142.050834]  btrfs_run_delayed_refs+0x86/0x210
[31142.051033]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.051197]  btrfs_start_dirty_block_groups+0x2af/0x540
[31142.051372]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.051548]  btrfs_commit_transaction+0x85e/0xad0
[31142.052704]  ? btrfs_attach_transaction_barrier+0x1f/0x50
[31142.052962]  ? vfs_fsync_range+0x90/0x90
[31142.053176]  iterate_supers+0x85/0xf0
[31142.053414]  ksys_sync+0x50/0x80
[31142.053630]  __do_sys_sync+0xa/0x10
[31142.053881]  do_syscall_64+0x38/0x90
[31142.054086]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[31142.054330] RIP: 0033:0x7f1b2322007b
[31142.054555] Code: c3 66 0f 1f 44 00 00 48 8b 15 f1 ad 0c 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa b8 a2 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 ad 0c 00 f7 d8 64 89 01 48
[31142.055238] RSP: 002b:00007fff9be522a8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a2
[31142.055608] RAX: ffffffffffffffda RBX: 000000000007a120 RCX: 00007f1b2322007b
[31142.055902] RDX: 00000000ffffffff RSI: 00000000670717c5 RDI: 0000000000000206
[31142.056120] RBP: 028f5c28f5c28f5c R08: 000000000000001e R09: 00007f1b232eba00
[31142.056310] R10: 00007fff9be51d90 R11: 0000000000000206 R12: 0000000000000206
[31142.056505] R13: 8f5c28f5c28f5c29 R14: 0000000000403370 R15: 00007f1b231256c8
[31142.056710]  
[31142.056828] irq event stamp: 0
[31142.056958] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[31142.057137] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[31142.057383] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[31142.057646] softirqs last disabled at (0): [<0000000000000000>] 0x0
[31142.057832] ---[ end trace 4538707148c1e5b3 ]---
[31142.058061] ------------[ cut here ]------------
[31142.058220] WARNING: CPU: 0 PID: 1983943 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[31142.058501] 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 xfs iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep intel_rapl_common snd_hda_core snd_pcm joydev snd_timer i2c_i801 i2c_smbus snd lpc_ich soundcore virtio_balloon zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[31142.059897] CPU: 0 PID: 1983943 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #528
[31142.060153] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[31142.060404] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[31142.060586] 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 5c 48 8b 05 58 b5 85 01 e8
[31142.061046] RSP: 0018:ffffb09346a8fcb0 EFLAGS: 00010202
[31142.061210] RAX: 000000000000000d RBX: ffff957893620800 RCX: 0000000000000000
[31142.061406] RDX: 0000000000000001 RSI: ffffffffa35b5d6a RDI: 00000000ffffffff
[31142.061614] RBP: 0000000000000000 R08: ffff9578cc0f2980 R09: 0000000000000000
[31142.061813] R10: ffff9578cc0f2000 R11: ffff957899efaa08 R12: ffff9578cc0d62a0
[31142.062011] R13: ffff957887452300 R14: ffff9578cc0f2888 R15: ffff9578cc0f2930
[31142.062204] FS:  00007f1b23125740(0000) GS:ffff9578fbc00000(0000) knlGS:0000000000000000
[31142.062455] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[31142.062634] CR2: 0000563436a1a014 CR3: 0000000160de4005 CR4: 0000000000370ef0
[31142.062838] Call Trace:
[31142.062959]  
[31142.063103]  ? __mutex_lock+0x80/0x8a0
[31142.063244]  ? __mutex_lock+0xda/0x8a0
[31142.063386]  ? lock_release+0x1d0/0x2d0
[31142.063539]  btrfs_run_delayed_refs+0x86/0x210
[31142.063691]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.063853]  btrfs_start_dirty_block_groups+0x2af/0x540
[31142.064022]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.064180]  btrfs_commit_transaction+0x85e/0xad0
[31142.064336]  ? btrfs_attach_transaction_barrier+0x1f/0x50
[31142.064501]  ? vfs_fsync_range+0x90/0x90
[31142.064659]  iterate_supers+0x85/0xf0
[31142.064809]  ksys_sync+0x50/0x80
[31142.064939]  __do_sys_sync+0xa/0x10
[31142.065077]  do_syscall_64+0x38/0x90
[31142.065216]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[31142.065377] RIP: 0033:0x7f1b2322007b
[31142.065512] Code: c3 66 0f 1f 44 00 00 48 8b 15 f1 ad 0c 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa b8 a2 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 ad 0c 00 f7 d8 64 89 01 48
[31142.065992] RSP: 002b:00007fff9be522a8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a2
[31142.066234] RAX: ffffffffffffffda RBX: 000000000007a120 RCX: 00007f1b2322007b
[31142.066430] RDX: 00000000ffffffff RSI: 00000000670717c5 RDI: 0000000000000206
[31142.066637] RBP: 028f5c28f5c28f5c R08: 000000000000001e R09: 00007f1b232eba00
[31142.066837] R10: 00007fff9be51d90 R11: 0000000000000206 R12: 0000000000000206
[31142.067033] R13: 8f5c28f5c28f5c29 R14: 0000000000403370 R15: 00007f1b231256c8
[31142.067230]  
[31142.067347] irq event stamp: 0
[31142.067475] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[31142.067669] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[31142.067929] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[31142.068177] softirqs last disabled at (0): [<0000000000000000>] 0x0
[31142.068358] ---[ end trace 4538707148c1e5b4 ]---
[31142.068605] ------------[ cut here ]------------
[31142.069047] WARNING: CPU: 0 PID: 1983943 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[31142.069614] 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 xfs iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep intel_rapl_common snd_hda_core snd_pcm joydev snd_timer i2c_i801 i2c_smbus snd lpc_ich soundcore virtio_balloon zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[31142.071852] CPU: 0 PID: 1983943 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #528
[31142.072126] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[31142.072465] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[31142.072776] 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 5c 48 8b 05 58 b5 85 01 e8
[31142.073264] RSP: 0018:ffffb09346a8fcb0 EFLAGS: 00010202
[31142.073453] RAX: 000000000000000d RBX: ffff957893620800 RCX: 0000000000000000
[31142.073663] RDX: 0000000000000001 RSI: ffffffffa35b5d6a RDI: 00000000ffffffff
[31142.073866] RBP: 0000000000000000 R08: ffff9578cc0f25d8 R09: 0000000000000000
[31142.074066] R10: ffff9578cc0f2800 R11: ffff957899efaa08 R12: ffff9578cc0d6b60
[31142.074262] R13: ffff957887452300 R14: ffff9578cc0f24e0 R15: ffff9578cc0f2588
[31142.074461] FS:  00007f1b23125740(0000) GS:ffff9578fbc00000(0000) knlGS:0000000000000000
[31142.074749] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[31142.074922] CR2: 0000563436a1a014 CR3: 0000000160de4005 CR4: 0000000000370ef0
[31142.075116] Call Trace:
[31142.075246]  
[31142.075420]  ? __mutex_lock+0x80/0x8a0
[31142.075618]  ? __mutex_lock+0xda/0x8a0
[31142.081565]  ? lock_release+0x1d0/0x2d0
[31142.081711]  btrfs_run_delayed_refs+0x86/0x210
[31142.082817]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.083053]  btrfs_start_dirty_block_groups+0x2af/0x540
[31142.083329]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.083580]  btrfs_commit_transaction+0x85e/0xad0
[31142.083816]  ? btrfs_attach_transaction_barrier+0x1f/0x50
[31142.084063]  ? vfs_fsync_range+0x90/0x90
[31142.084282]  iterate_supers+0x85/0xf0
[31142.084496]  ksys_sync+0x50/0x80
[31142.084708]  __do_sys_sync+0xa/0x10
[31142.084920]  do_syscall_64+0x38/0x90
[31142.085151]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[31142.085412] RIP: 0033:0x7f1b2322007b
[31142.085633] Code: c3 66 0f 1f 44 00 00 48 8b 15 f1 ad 0c 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa b8 a2 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 ad 0c 00 f7 d8 64 89 01 48
[31142.086290] RSP: 002b:00007fff9be522a8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a2
[31142.086541] RAX: ffffffffffffffda RBX: 000000000007a120 RCX: 00007f1b2322007b
[31142.086745] RDX: 00000000ffffffff RSI: 00000000670717c5 RDI: 0000000000000206
[31142.086939] RBP: 028f5c28f5c28f5c R08: 000000000000001e R09: 00007f1b232eba00
[31142.087136] R10: 00007fff9be51d90 R11: 0000000000000206 R12: 0000000000000206
[31142.087331] R13: 8f5c28f5c28f5c29 R14: 0000000000403370 R15: 00007f1b231256c8
[31142.087543]  
[31142.087659] irq event stamp: 0
[31142.087787] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[31142.087972] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[31142.088229] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[31142.088475] softirqs last disabled at (0): [<0000000000000000>] 0x0
[31142.088669] ---[ end trace 4538707148c1e5b5 ]---
[31142.088908] ------------[ cut here ]------------
[31142.089063] WARNING: CPU: 0 PID: 1983943 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[31142.089338] 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 xfs iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep intel_rapl_common snd_hda_core snd_pcm joydev snd_timer i2c_i801 i2c_smbus snd lpc_ich soundcore virtio_balloon zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[31142.090731] CPU: 0 PID: 1983943 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #528
[31142.090987] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[31142.091240] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[31142.091409] 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 5c 48 8b 05 58 b5 85 01 e8
[31142.091891] RSP: 0018:ffffb09346a8fcb0 EFLAGS: 00010202
[31142.092055] RAX: 000000000000000d RBX: ffff957893620800 RCX: 0000000000000000
[31142.092248] RDX: 0000000000000001 RSI: ffffffffa35b5d6a RDI: 00000000ffffffff
[31142.092442] RBP: 0000000000000000 R08: ffff9578cc0f2f98 R09: 0000000000000000
[31142.092645] R10: ffff9578cc0f2400 R11: ffff957899efaa08 R12: ffff9578cc0d6690
[31142.092844] R13: ffff957887452300 R14: ffff9578cc0f2ea0 R15: ffff9578cc0f2f48
[31142.093066] FS:  00007f1b23125740(0000) GS:ffff9578fbc00000(0000) knlGS:0000000000000000
[31142.093313] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[31142.093483] CR2: 0000563436a1a014 CR3: 0000000160de4005 CR4: 0000000000370ef0
[31142.093689] Call Trace:
[31142.093812]  
[31142.093929]  ? __mutex_lock+0x80/0x8a0
[31142.094070]  ? __mutex_lock+0xda/0x8a0
[31142.094209]  ? lock_release+0x1d0/0x2d0
[31142.094354]  btrfs_run_delayed_refs+0x86/0x210
[31142.094508]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.094674]  btrfs_start_dirty_block_groups+0x2af/0x540
[31142.094846]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.095004]  btrfs_commit_transaction+0x85e/0xad0
[31142.095163]  ? btrfs_attach_transaction_barrier+0x1f/0x50
[31142.095332]  ? vfs_fsync_range+0x90/0x90
[31142.095476]  iterate_supers+0x85/0xf0
[31142.095627]  ksys_sync+0x50/0x80
[31142.095765]  __do_sys_sync+0xa/0x10
[31142.095901]  do_syscall_64+0x38/0x90
[31142.096039]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[31142.096203] RIP: 0033:0x7f1b2322007b
[31142.096343] Code: c3 66 0f 1f 44 00 00 48 8b 15 f1 ad 0c 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa b8 a2 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 ad 0c 00 f7 d8 64 89 01 48
[31142.096811] RSP: 002b:00007fff9be522a8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a2
[31142.097054] RAX: ffffffffffffffda RBX: 000000000007a120 RCX: 00007f1b2322007b
[31142.097247] RDX: 00000000ffffffff RSI: 00000000670717c5 RDI: 0000000000000206
[31142.097441] RBP: 028f5c28f5c28f5c R08: 000000000000001e R09: 00007f1b232eba00
[31142.097646] R10: 00007fff9be51d90 R11: 0000000000000206 R12: 0000000000000206
[31142.097869] R13: 8f5c28f5c28f5c29 R14: 0000000000403370 R15: 00007f1b231256c8
[31142.098285]  
[31142.098424] irq event stamp: 0
[31142.098570] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[31142.098815] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[31142.099194] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[31142.099568] softirqs last disabled at (0): [<0000000000000000>] 0x0
[31142.099786] ---[ end trace 4538707148c1e5b6 ]---
[31142.100105] ------------[ cut here ]------------
[31142.100404] WARNING: CPU: 0 PID: 1983943 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[31142.100810] 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 xfs iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep intel_rapl_common snd_hda_core snd_pcm joydev snd_timer i2c_i801 i2c_smbus snd lpc_ich soundcore virtio_balloon zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[31142.102479] CPU: 0 PID: 1983943 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #528
[31142.102758] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[31142.103030] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[31142.103208] 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 5c 48 8b 05 58 b5 85 01 e8
[31142.103707] RSP: 0018:ffffb09346a8fcb0 EFLAGS: 00010202
[31142.103881] RAX: 000000000000000d RBX: ffff957893620800 RCX: 0000000000000000
[31142.104082] RDX: 0000000000000001 RSI: ffffffffa35b5d6a RDI: 00000000ffffffff
[31142.104282] RBP: 0000000000000000 R08: ffff9578cc0f2d28 R09: 0000000000000000
[31142.104482] R10: ffff9578cc0f2e00 R11: ffff957899efaa08 R12: ffff9578cc0d61c0
[31142.104710] R13: ffff957887452300 R14: ffff9578cc0f2c30 R15: ffff9578cc0f2cd8
[31142.104912] FS:  00007f1b23125740(0000) GS:ffff9578fbc00000(0000) knlGS:0000000000000000
[31142.105153] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[31142.105328] CR2: 0000563436a1a014 CR3: 0000000160de4005 CR4: 0000000000370ef0
[31142.105557] Call Trace:
[31142.105683]  
[31142.105804]  ? __mutex_lock+0x80/0x8a0
[31142.105952]  ? __mutex_lock+0xda/0x8a0
[31142.106098]  ? lock_release+0x1d0/0x2d0
[31142.106245]  btrfs_run_delayed_refs+0x86/0x210
[31142.106399]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.106573]  btrfs_start_dirty_block_groups+0x2af/0x540
[31142.106765]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.106921]  btrfs_commit_transaction+0x85e/0xad0
[31142.107074]  ? btrfs_attach_transaction_barrier+0x1f/0x50
[31142.107245]  ? vfs_fsync_range+0x90/0x90
[31142.107390]  iterate_supers+0x85/0xf0
[31142.107541]  ksys_sync+0x50/0x80
[31142.107694]  __do_sys_sync+0xa/0x10
[31142.107841]  do_syscall_64+0x38/0x90
[31142.107985]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[31142.108150] RIP: 0033:0x7f1b2322007b
[31142.108290] Code: c3 66 0f 1f 44 00 00 48 8b 15 f1 ad 0c 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa b8 a2 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 ad 0c 00 f7 d8 64 89 01 48
[31142.108811] RSP: 002b:00007fff9be522a8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a2
[31142.109048] RAX: ffffffffffffffda RBX: 000000000007a120 RCX: 00007f1b2322007b
[31142.109244] RDX: 00000000ffffffff RSI: 00000000670717c5 RDI: 0000000000000206
[31142.109443] RBP: 028f5c28f5c28f5c R08: 000000000000001e R09: 00007f1b232eba00
[31142.109650] R10: 00007fff9be51d90 R11: 0000000000000206 R12: 0000000000000206
[31142.109873] R13: 8f5c28f5c28f5c29 R14: 0000000000403370 R15: 00007f1b231256c8
[31142.110079]  
[31142.110199] irq event stamp: 0
[31142.110328] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[31142.110533] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[31142.110817] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[31142.111060] softirqs last disabled at (0): [<0000000000000000>] 0x0
[31142.111243] ---[ end trace 4538707148c1e5b7 ]---
[31142.111476] ------------[ cut here ]------------
[31142.111643] WARNING: CPU: 0 PID: 1983943 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[31142.111986] 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 xfs iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep intel_rapl_common snd_hda_core snd_pcm joydev snd_timer i2c_i801 i2c_smbus snd lpc_ich soundcore virtio_balloon zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[31142.114370] CPU: 0 PID: 1983943 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #528
[31142.121246] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[31142.121508] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[31142.121690] 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 5c 48 8b 05 58 b5 85 01 e8
[31142.122146] RSP: 0018:ffffb09346a8fcb0 EFLAGS: 00010202
[31142.122312] RAX: 000000000000000d RBX: ffff957893620800 RCX: 0000000000000000
[31142.122509] RDX: 0000000000000001 RSI: ffffffffa35b5d6a RDI: 00000000ffffffff
[31142.122714] RBP: 0000000000000000 R08: ffff9578cc0bb4a0 R09: 0000000000000000
[31142.122914] R10: ffff9578cc0f2c00 R11: ffff957899efaa08 R12: ffff9578cc0d64d0
[31142.123112] R13: ffff957887452300 R14: ffff9578cc0bb3a8 R15: ffff9578cc0bb450
[31142.123306] FS:  00007f1b23125740(0000) GS:ffff9578fbc00000(0000) knlGS:0000000000000000
[31142.123561] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[31142.123737] CR2: 0000563436a1a014 CR3: 0000000160de4005 CR4: 0000000000370ef0
[31142.123937] Call Trace:
[31142.124058]  
[31142.124173]  ? __mutex_lock+0x80/0x8a0
[31142.124316]  ? __mutex_lock+0xda/0x8a0
[31142.124458]  ? lock_release+0x1d0/0x2d0
[31142.124609]  btrfs_run_delayed_refs+0x86/0x210
[31142.124767]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.124925]  btrfs_start_dirty_block_groups+0x2af/0x540
[31142.125093]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.125248]  btrfs_commit_transaction+0x85e/0xad0
[31142.125406]  ? btrfs_attach_transaction_barrier+0x1f/0x50
[31142.125587]  ? vfs_fsync_range+0x90/0x90
[31142.125741]  iterate_supers+0x85/0xf0
[31142.125881]  ksys_sync+0x50/0x80
[31142.126012]  __do_sys_sync+0xa/0x10
[31142.126152]  do_syscall_64+0x38/0x90
[31142.126291]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[31142.126452] RIP: 0033:0x7f1b2322007b
[31142.126602] Code: c3 66 0f 1f 44 00 00 48 8b 15 f1 ad 0c 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa b8 a2 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 ad 0c 00 f7 d8 64 89 01 48
[31142.127070] RSP: 002b:00007fff9be522a8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a2
[31142.127308] RAX: ffffffffffffffda RBX: 000000000007a120 RCX: 00007f1b2322007b
[31142.127505] RDX: 00000000ffffffff RSI: 00000000670717c5 RDI: 0000000000000206
[31142.127711] RBP: 028f5c28f5c28f5c R08: 000000000000001e R09: 00007f1b232eba00
[31142.127913] R10: 00007fff9be51d90 R11: 0000000000000206 R12: 0000000000000206
[31142.128110] R13: 8f5c28f5c28f5c29 R14: 0000000000403370 R15: 00007f1b231256c8
[31142.128309]  
[31142.128424] irq event stamp: 0
[31142.128561] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[31142.128750] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[31142.129004] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[31142.129251] softirqs last disabled at (0): [<0000000000000000>] 0x0
[31142.129434] ---[ end trace 4538707148c1e5b8 ]---
[31142.129681] ------------[ cut here ]------------
[31142.129842] WARNING: CPU: 0 PID: 1983943 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[31142.130128] 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 xfs iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep intel_rapl_common snd_hda_core snd_pcm joydev snd_timer i2c_i801 i2c_smbus snd lpc_ich soundcore virtio_balloon zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[31142.131690] CPU: 0 PID: 1983943 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #528
[31142.132101] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[31142.132498] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[31142.132799] 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 5c 48 8b 05 58 b5 85 01 e8
[31142.133479] RSP: 0018:ffffb09346a8fcb0 EFLAGS: 00010202
[31142.133757] RAX: 000000000000000d RBX: ffff957893620800 RCX: 0000000000000000
[31142.134308] RDX: 0000000000000001 RSI: ffffffffa35b5d6a RDI: 00000000ffffffff
[31142.134708] RBP: 0000000000000000 R08: ffff9578cc0bb848 R09: 0000000000000000
[31142.135316] R10: ffff9578cc0bb300 R11: ffff957899efaa08 R12: ffff9578cc0d6460
[31142.135723] R13: ffff957887452300 R14: ffff9578cc0bb750 R15: ffff9578cc0bb7f8
[31142.136127] FS:  00007f1b23125740(0000) GS:ffff9578fbc00000(0000) knlGS:0000000000000000
[31142.136650] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[31142.137083] CR2: 0000563436a1a014 CR3: 0000000160de4005 CR4: 0000000000370ef0
[31142.137460] Call Trace:
[31142.137724]  
[31142.138013]  ? __mutex_lock+0x80/0x8a0
[31142.138221]  ? __mutex_lock+0xda/0x8a0
[31142.138420]  ? lock_release+0x1d0/0x2d0
[31142.138640]  btrfs_run_delayed_refs+0x86/0x210
[31142.138899]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.139118]  btrfs_start_dirty_block_groups+0x2af/0x540
[31142.139347]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.139589]  btrfs_commit_transaction+0x85e/0xad0
[31142.139822]  ? btrfs_attach_transaction_barrier+0x1f/0x50
[31142.140059]  ? vfs_fsync_range+0x90/0x90
[31142.140265]  iterate_supers+0x85/0xf0
[31142.140470]  ksys_sync+0x50/0x80
[31142.140673]  __do_sys_sync+0xa/0x10
[31142.140879]  do_syscall_64+0x38/0x90
[31142.141078]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[31142.141307] RIP: 0033:0x7f1b2322007b
[31142.141509] Code: c3 66 0f 1f 44 00 00 48 8b 15 f1 ad 0c 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa b8 a2 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 ad 0c 00 f7 d8 64 89 01 48
[31142.142230] RSP: 002b:00007fff9be522a8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a2
[31142.142618] RAX: ffffffffffffffda RBX: 000000000007a120 RCX: 00007f1b2322007b
[31142.143506] RDX: 00000000ffffffff RSI: 00000000670717c5 RDI: 0000000000000206
[31142.143815] RBP: 028f5c28f5c28f5c R08: 000000000000001e R09: 00007f1b232eba00
[31142.144100] R10: 00007fff9be51d90 R11: 0000000000000206 R12: 0000000000000206
[31142.144383] R13: 8f5c28f5c28f5c29 R14: 0000000000403370 R15: 00007f1b231256c8
[31142.144689]  
[31142.144868] irq event stamp: 0
[31142.145056] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[31142.145309] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[31142.145679] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[31142.146057] softirqs last disabled at (0): [<0000000000000000>] 0x0
[31142.146318] ---[ end trace 4538707148c1e5b9 ]---
[31142.146678] ------------[ cut here ]------------
[31142.146909] WARNING: CPU: 0 PID: 1983943 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[31142.147314] 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 xfs iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep intel_rapl_common snd_hda_core snd_pcm joydev snd_timer i2c_i801 i2c_smbus snd lpc_ich soundcore virtio_balloon zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[31142.149350] CPU: 0 PID: 1983943 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #528
[31142.149712] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[31142.150082] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[31142.150319] 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 5c 48 8b 05 58 b5 85 01 e8
[31142.151017] RSP: 0018:ffffb09346a8fcb0 EFLAGS: 00010202
[31142.151246] RAX: 000000000000000d RBX: ffff957893620800 RCX: 0000000000000000
[31142.151510] RDX: 0000000000000001 RSI: ffffffffa35b5d6a RDI: 00000000ffffffff
[31142.151798] RBP: 0000000000000000 R08: ffff9578cc0a8710 R09: 0000000000000000
[31142.152074] R10: ffff9578cc0bb700 R11: ffff957899efaa08 R12: ffff9578cc0d6d20
[31142.152348] R13: ffff957887452300 R14: ffff9578cc0a8618 R15: ffff9578cc0a86c0
[31142.152634] FS:  00007f1b23125740(0000) GS:ffff9578fbc00000(0000) knlGS:0000000000000000
[31142.152996] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[31142.153242] CR2: 0000563436a1a014 CR3: 0000000160de4005 CR4: 0000000000370ef0
[31142.153534] Call Trace:
[31142.153706]  
[31142.153877]  ? __mutex_lock+0x80/0x8a0
[31142.154082]  ? __mutex_lock+0xda/0x8a0
[31142.154289]  ? lock_release+0x1d0/0x2d0
[31142.154496]  btrfs_run_delayed_refs+0x86/0x210
[31142.154731]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.154961]  btrfs_start_dirty_block_groups+0x2af/0x540
[31142.155196]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.155416]  btrfs_commit_transaction+0x85e/0xad0
[31142.155654]  ? btrfs_attach_transaction_barrier+0x1f/0x50
[31142.155937]  ? vfs_fsync_range+0x90/0x90
[31142.156147]  iterate_supers+0x85/0xf0
[31142.156345]  ksys_sync+0x50/0x80
[31142.156546]  __do_sys_sync+0xa/0x10
[31142.156753]  do_syscall_64+0x38/0x90
[31142.156948]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[31142.157206] RIP: 0033:0x7f1b2322007b
[31142.157405] Code: c3 66 0f 1f 44 00 00 48 8b 15 f1 ad 0c 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa b8 a2 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 ad 0c 00 f7 d8 64 89 01 48
[31142.158164] RSP: 002b:00007fff9be522a8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a2
[31142.158502] RAX: ffffffffffffffda RBX: 000000000007a120 RCX: 00007f1b2322007b
[31142.158795] RDX: 00000000ffffffff RSI: 00000000670717c5 RDI: 0000000000000206
[31142.159070] RBP: 028f5c28f5c28f5c R08: 000000000000001e R09: 00007f1b232eba00
[31142.159349] R10: 00007fff9be51d90 R11: 0000000000000206 R12: 0000000000000206
[31142.159638] R13: 8f5c28f5c28f5c29 R14: 0000000000403370 R15: 00007f1b231256c8
[31142.159957]  
[31142.168417] irq event stamp: 0
[31142.168603] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[31142.168902] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[31142.169248] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[31142.169598] softirqs last disabled at (0): [<0000000000000000>] 0x0
[31142.169852] ---[ end trace 4538707148c1e5ba ]---
[31142.170188] ------------[ cut here ]------------
[31142.170406] WARNING: CPU: 0 PID: 1983943 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[31142.170821] 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 xfs iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep intel_rapl_common snd_hda_core snd_pcm joydev snd_timer i2c_i801 i2c_smbus snd lpc_ich soundcore virtio_balloon zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[31142.174320] CPU: 0 PID: 1983943 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #528
[31142.174715] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[31142.175096] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[31142.175488] 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 5c 48 8b 05 58 b5 85 01 e8
[31142.176396] RSP: 0018:ffffb09346a8fcb0 EFLAGS: 00010202
[31142.176669] RAX: 000000000000000d RBX: ffff957893620800 RCX: 0000000000000000
[31142.176964] RDX: 0000000000000001 RSI: ffffffffa35b5d6a RDI: 00000000ffffffff
[31142.177256] RBP: 0000000000000000 R08: ffff9578d3b51ab8 R09: 0000000000000000
[31142.177547] R10: 0000000000000000 R11: 00000000000d0000 R12: ffff9578cc0d69a0
[31142.177888] R13: ffff957887452300 R14: ffff9578d3b519c0 R15: ffff9578d3b51a68
[31142.178150] FS:  00007f1b23125740(0000) GS:ffff9578fbc00000(0000) knlGS:0000000000000000
[31142.178511] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[31142.178798] CR2: 0000563436a1a014 CR3: 0000000160de4005 CR4: 0000000000370ef0
[31142.179094] Call Trace:
[31142.179272]  
[31142.179460]  ? __mutex_lock+0x80/0x8a0
[31142.179689]  ? __mutex_lock+0xda/0x8a0
[31142.179919]  ? lock_release+0x1d0/0x2d0
[31142.180121]  btrfs_run_delayed_refs+0x86/0x210
[31142.180339]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.180579]  btrfs_start_dirty_block_groups+0x2af/0x540
[31142.180814]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.181045]  btrfs_commit_transaction+0x85e/0xad0
[31142.181266]  ? btrfs_attach_transaction_barrier+0x1f/0x50
[31142.181510]  ? vfs_fsync_range+0x90/0x90
[31142.181749]  iterate_supers+0x85/0xf0
[31142.181958]  ksys_sync+0x50/0x80
[31142.182158]  __do_sys_sync+0xa/0x10
[31142.182372]  do_syscall_64+0x38/0x90
[31142.182609]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[31142.182841] RIP: 0033:0x7f1b2322007b
[31142.183041] Code: c3 66 0f 1f 44 00 00 48 8b 15 f1 ad 0c 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa b8 a2 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 ad 0c 00 f7 d8 64 89 01 48
[31142.183788] RSP: 002b:00007fff9be522a8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a2
[31142.184045] RAX: ffffffffffffffda RBX: 000000000007a120 RCX: 00007f1b2322007b
[31142.184252] RDX: 00000000ffffffff RSI: 00000000670717c5 RDI: 0000000000000206
[31142.184459] RBP: 028f5c28f5c28f5c R08: 000000000000001e R09: 00007f1b232eba00
[31142.184677] R10: 00007fff9be51d90 R11: 0000000000000206 R12: 0000000000000206
[31142.184891] R13: 8f5c28f5c28f5c29 R14: 0000000000403370 R15: 00007f1b231256c8
[31142.185099]  
[31142.185219] irq event stamp: 0
[31142.185357] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[31142.185564] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[31142.185858] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[31142.186127] softirqs last disabled at (0): [<0000000000000000>] 0x0
[31142.186322] ---[ end trace 4538707148c1e5bb ]---
[31142.186608] ------------[ cut here ]------------
[31142.186779] WARNING: CPU: 0 PID: 1983943 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[31142.187083] 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 xfs iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep intel_rapl_common snd_hda_core snd_pcm joydev snd_timer i2c_i801 i2c_smbus snd lpc_ich soundcore virtio_balloon zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[31142.188586] CPU: 0 PID: 1983943 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #528
[31142.188868] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[31142.189134] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[31142.189317] 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 5c 48 8b 05 58 b5 85 01 e8
[31142.189839] RSP: 0018:ffffb09346a8fcb0 EFLAGS: 00010202
[31142.190015] RAX: 000000000000000d RBX: ffff957893620800 RCX: 0000000000000000
[31142.190219] RDX: 0000000000000001 RSI: ffffffffa35b5d6a RDI: 00000000ffffffff
[31142.190424] RBP: 0000000000000000 R08: ffff9578e0cfa220 R09: 0000000000000000
[31142.190668] R10: ffff9578d3b51900 R11: ffff957899efaa08 R12: ffff9577864cde38
[31142.190888] R13: ffff957887452300 R14: ffff9578e0cfa138 R15: ffff9578e0cfa1e0
[31142.191098] FS:  00007f1b23125740(0000) GS:ffff9578fbc00000(0000) knlGS:0000000000000000
[31142.191371] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[31142.191569] CR2: 0000563436a1a014 CR3: 0000000160de4005 CR4: 0000000000370ef0
[31142.191786] Call Trace:
[31142.191911]  
[31142.192036]  ? __mutex_lock+0x80/0x8a0
[31142.192187]  ? __mutex_lock+0xda/0x8a0
[31142.192339]  ? lock_release+0x1d0/0x2d0
[31142.192527]  btrfs_run_delayed_refs+0x86/0x210
[31142.192694]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.192868]  btrfs_start_dirty_block_groups+0x2af/0x540
[31142.193070]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.193243]  btrfs_commit_transaction+0x85e/0xad0
[31142.193409]  ? btrfs_attach_transaction_barrier+0x1f/0x50
[31142.193598]  ? vfs_fsync_range+0x90/0x90
[31142.193759]  iterate_supers+0x85/0xf0
[31142.193912]  ksys_sync+0x50/0x80
[31142.194056]  __do_sys_sync+0xa/0x10
[31142.194202]  do_syscall_64+0x38/0x90
[31142.194354]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[31142.194541] RIP: 0033:0x7f1b2322007b
[31142.194689] Code: c3 66 0f 1f 44 00 00 48 8b 15 f1 ad 0c 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa b8 a2 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 ad 0c 00 f7 d8 64 89 01 48
[31142.195182] RSP: 002b:00007fff9be522a8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a2
[31142.195442] RAX: ffffffffffffffda RBX: 000000000007a120 RCX: 00007f1b2322007b
[31142.195668] RDX: 00000000ffffffff RSI: 00000000670717c5 RDI: 0000000000000206
[31142.195888] RBP: 028f5c28f5c28f5c R08: 000000000000001e R09: 00007f1b232eba00
[31142.196098] R10: 00007fff9be51d90 R11: 0000000000000206 R12: 0000000000000206
[31142.196311] R13: 8f5c28f5c28f5c29 R14: 0000000000403370 R15: 00007f1b231256c8
[31142.196540]  
[31142.196667] irq event stamp: 0
[31142.196811] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[31142.197016] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[31142.197271] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[31142.197533] softirqs last disabled at (0): [<0000000000000000>] 0x0
[31142.197723] ---[ end trace 4538707148c1e5bc ]---
[31142.197984] ------------[ cut here ]------------
[31142.198144] WARNING: CPU: 0 PID: 1983943 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[31142.198419] 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 xfs iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep intel_rapl_common snd_hda_core snd_pcm joydev snd_timer i2c_i801 i2c_smbus snd lpc_ich soundcore virtio_balloon zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[31142.199843] CPU: 0 PID: 1983943 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #528
[31142.200106] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[31142.200367] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[31142.200551] 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 5c 48 8b 05 58 b5 85 01 e8
[31142.201059] RSP: 0018:ffffb09346a8fcb0 EFLAGS: 00010202
[31142.201240] RAX: 000000000000000d RBX: ffff957893620800 RCX: 0000000000000000
[31142.201450] RDX: 0000000000000001 RSI: ffffffffa35b5d6a RDI: 00000000ffffffff
[31142.201671] RBP: 0000000000000000 R08: ffff9578d3b51490 R09: 0000000000000000
[31142.201883] R10: ffff9578e0cfa101 R11: ffff95788cded208 R12: ffff9578fab19a90
[31142.202091] R13: ffff957887452300 R14: ffff9578d3b513a8 R15: ffff9578d3b51450
[31142.202296] FS:  00007f1b23125740(0000) GS:ffff9578fbc00000(0000) knlGS:0000000000000000
[31142.202569] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[31142.204681] CR2: 0000563436a1a014 CR3: 0000000160de4005 CR4: 0000000000370ef0
[31142.204911] Call Trace:
[31142.205036]  
[31142.205158]  ? __mutex_lock+0x80/0x8a0
[31142.205373]  ? __mutex_lock+0xda/0x8a0
[31142.205683]  ? lock_release+0x1d0/0x2d0
[31142.205851]  btrfs_run_delayed_refs+0x86/0x210
[31142.206091]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.206371]  btrfs_start_dirty_block_groups+0x2af/0x540
[31142.215017]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.215258]  btrfs_commit_transaction+0x85e/0xad0
[31142.215495]  ? btrfs_attach_transaction_barrier+0x1f/0x50
[31142.215758]  ? vfs_fsync_range+0x90/0x90
[31142.215952]  iterate_supers+0x85/0xf0
[31142.216153]  ksys_sync+0x50/0x80
[31142.216352]  __do_sys_sync+0xa/0x10
[31142.216563]  do_syscall_64+0x38/0x90
[31142.216783]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[31142.217016] RIP: 0033:0x7f1b2322007b
[31142.217213] Code: c3 66 0f 1f 44 00 00 48 8b 15 f1 ad 0c 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa b8 a2 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 ad 0c 00 f7 d8 64 89 01 48
[31142.217891] RSP: 002b:00007fff9be522a8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a2
[31142.218238] RAX: ffffffffffffffda RBX: 000000000007a120 RCX: 00007f1b2322007b
[31142.218509] RDX: 00000000ffffffff RSI: 00000000670717c5 RDI: 0000000000000206
[31142.218811] RBP: 028f5c28f5c28f5c R08: 000000000000001e R09: 00007f1b232eba00
[31142.219087] R10: 00007fff9be51d90 R11: 0000000000000206 R12: 0000000000000206
[31142.219357] R13: 8f5c28f5c28f5c29 R14: 0000000000403370 R15: 00007f1b231256c8
[31142.219661]  
[31142.219835] irq event stamp: 0
[31142.220015] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[31142.220271] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[31142.220659] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[31142.221027] softirqs last disabled at (0): [<0000000000000000>] 0x0
[31142.221292] ---[ end trace 4538707148c1e5bd ]---
[31142.221695] ------------[ cut here ]------------
[31142.221927] WARNING: CPU: 0 PID: 1983943 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[31142.222320] 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 xfs iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep intel_rapl_common snd_hda_core snd_pcm joydev snd_timer i2c_i801 i2c_smbus snd lpc_ich soundcore virtio_balloon zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[31142.224367] CPU: 0 PID: 1983943 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #528
[31142.224760] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[31142.225116] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[31142.225357] 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 5c 48 8b 05 58 b5 85 01 e8
[31142.226034] RSP: 0018:ffffb09346a8fcb0 EFLAGS: 00010202
[31142.226273] RAX: 000000000000000d RBX: ffff957893620800 RCX: 0000000000000000
[31142.226569] RDX: 0000000000000001 RSI: ffffffffa35b5d6a RDI: 00000000ffffffff
[31142.226847] RBP: 0000000000000000 R08: ffff9578cc0f2e50 R09: 0000000000000000
[31142.227120] R10: ffff9578d3b51300 R11: ffff95788cded208 R12: ffff9578fab19958
[31142.227394] R13: ffff957887452300 R14: ffff9578cc0f2d68 R15: ffff9578cc0f2e10
[31142.227681] FS:  00007f1b23125740(0000) GS:ffff9578fbc00000(0000) knlGS:0000000000000000
[31142.228032] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[31142.228206] CR2: 0000563436a1a014 CR3: 0000000160de4005 CR4: 0000000000370ef0
[31142.228467] Call Trace:
[31142.228653]  
[31142.228825]  ? __mutex_lock+0x80/0x8a0
[31142.229030]  ? __mutex_lock+0xda/0x8a0
[31142.229232]  ? lock_release+0x1d0/0x2d0
[31142.229435]  btrfs_run_delayed_refs+0x86/0x210
[31142.229674]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.229911]  btrfs_start_dirty_block_groups+0x2af/0x540
[31142.230143]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.230365]  btrfs_commit_transaction+0x85e/0xad0
[31142.230608]  ? btrfs_attach_transaction_barrier+0x1f/0x50
[31142.230854]  ? vfs_fsync_range+0x90/0x90
[31142.231069]  iterate_supers+0x85/0xf0
[31142.231253]  ksys_sync+0x50/0x80
[31142.231389]  __do_sys_sync+0xa/0x10
[31142.231583]  do_syscall_64+0x38/0x90
[31142.231782]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[31142.232051] RIP: 0033:0x7f1b2322007b
[31142.232252] Code: c3 66 0f 1f 44 00 00 48 8b 15 f1 ad 0c 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa b8 a2 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 ad 0c 00 f7 d8 64 89 01 48
[31142.233708] RSP: 002b:00007fff9be522a8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a2
[31142.234060] RAX: ffffffffffffffda RBX: 000000000007a120 RCX: 00007f1b2322007b
[31142.234297] RDX: 00000000ffffffff RSI: 00000000670717c5 RDI: 0000000000000206
[31142.234510] RBP: 028f5c28f5c28f5c R08: 000000000000001e R09: 00007f1b232eba00
[31142.234800] R10: 00007fff9be51d90 R11: 0000000000000206 R12: 0000000000000206
[31142.235072] R13: 8f5c28f5c28f5c29 R14: 0000000000403370 R15: 00007f1b231256c8
[31142.235373]  
[31142.235585] irq event stamp: 0
[31142.235791] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[31142.236070] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[31142.236426] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[31142.236846] softirqs last disabled at (0): [<0000000000000000>] 0x0
[31142.237105] ---[ end trace 4538707148c1e5be ]---
[31142.237480] ------------[ cut here ]------------
[31142.237700] WARNING: CPU: 0 PID: 1983943 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[31142.238031] 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 xfs iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep intel_rapl_common snd_hda_core snd_pcm joydev snd_timer i2c_i801 i2c_smbus snd lpc_ich soundcore virtio_balloon zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[31142.240028] CPU: 0 PID: 1983943 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #528
[31142.240402] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[31142.240795] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[31142.241002] 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 5c 48 8b 05 58 b5 85 01 e8
[31142.241633] RSP: 0018:ffffb09346a8fcb0 EFLAGS: 00010202
[31142.241868] RAX: 000000000000000d RBX: ffff957893620800 RCX: 0000000000000000
[31142.242141] RDX: 0000000000000001 RSI: ffffffffa35b5d6a RDI: 00000000ffffffff
[31142.242421] RBP: 0000000000000000 R08: ffff9578cc0f2490 R09: 0000000000000000
[31142.242723] R10: ffff9578cc0f2d00 R11: ffff95788cded208 R12: ffff9578fab193a8
[31142.242992] R13: ffff957887452300 R14: ffff9578cc0f23a8 R15: ffff9578cc0f2450
[31142.243188] FS:  00007f1b23125740(0000) GS:ffff9578fbc00000(0000) knlGS:0000000000000000
[31142.243440] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[31142.243623] CR2: 0000563436a1a014 CR3: 0000000160de4005 CR4: 0000000000370ef0
[31142.243832] Call Trace:
[31142.243952]  
[31142.244070]  ? __mutex_lock+0x80/0x8a0
[31142.244212]  ? __mutex_lock+0xda/0x8a0
[31142.244357]  ? lock_release+0x1d0/0x2d0
[31142.244503]  btrfs_run_delayed_refs+0x86/0x210
[31142.244667]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.244830]  btrfs_start_dirty_block_groups+0x2af/0x540
[31142.244999]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.245158]  btrfs_commit_transaction+0x85e/0xad0
[31142.245350]  ? btrfs_attach_transaction_barrier+0x1f/0x50
[31142.245562]  ? vfs_fsync_range+0x90/0x90
[31142.245711]  iterate_supers+0x85/0xf0
[31142.246381]  ksys_sync+0x50/0x80
[31142.246553]  __do_sys_sync+0xa/0x10
[31142.246699]  do_syscall_64+0x38/0x90
[31142.246967]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[31142.247392] RIP: 0033:0x7f1b2322007b
[31142.247740] Code: c3 66 0f 1f 44 00 00 48 8b 15 f1 ad 0c 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa b8 a2 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 ad 0c 00 f7 d8 64 89 01 48
[31142.248792] RSP: 002b:00007fff9be522a8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a2
[31142.249275] RAX: ffffffffffffffda RBX: 000000000007a120 RCX: 00007f1b2322007b
[31142.249641] RDX: 00000000ffffffff RSI: 00000000670717c5 RDI: 0000000000000206
[31142.249948] RBP: 028f5c28f5c28f5c R08: 000000000000001e R09: 00007f1b232eba00
[31142.250240] R10: 00007fff9be51d90 R11: 0000000000000206 R12: 0000000000000206
[31142.250578] R13: 8f5c28f5c28f5c29 R14: 0000000000403370 R15: 00007f1b231256c8
[31142.250864]  
[31142.251023] irq event stamp: 0
[31142.251206] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[31142.251466] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[31142.251881] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[31142.252248] softirqs last disabled at (0): [<0000000000000000>] 0x0
[31142.252510] ---[ end trace 4538707148c1e5bf ]---
[31142.252821] ------------[ cut here ]------------
[31142.252975] WARNING: CPU: 0 PID: 1983943 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[31142.253249] 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 xfs iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep intel_rapl_common snd_hda_core snd_pcm joydev snd_timer i2c_i801 i2c_smbus snd lpc_ich soundcore virtio_balloon zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[31142.254646] CPU: 0 PID: 1983943 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #528
[31142.254902] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[31142.255160] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[31142.263464] 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 5c 48 8b 05 58 b5 85 01 e8
[31142.264240] RSP: 0018:ffffb09346a8fcb0 EFLAGS: 00010202
[31142.264510] RAX: 000000000000000d RBX: ffff957893620800 RCX: 0000000000000000
[31142.264854] RDX: 0000000000000001 RSI: ffffffffa35b5d6a RDI: 00000000ffffffff
[31142.265146] RBP: 0000000000000000 R08: ffff9578d3b510e8 R09: 0000000000000000
[31142.265436] R10: ffff9578cc0f2300 R11: ffff95788cded208 R12: ffff957894014a90
[31142.265791] R13: ffff957887452300 R14: ffff9578d3b51000 R15: ffff9578d3b510a8
[31142.266086] FS:  00007f1b23125740(0000) GS:ffff9578fbc00000(0000) knlGS:0000000000000000
[31142.266465] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[31142.266748] CR2: 0000563436a1a014 CR3: 0000000160de4005 CR4: 0000000000370ef0
[31142.267044] Call Trace:
[31142.267227]  
[31142.267407]  ? __mutex_lock+0x80/0x8a0
[31142.267684]  ? __mutex_lock+0xda/0x8a0
[31142.267906]  ? lock_release+0x1d0/0x2d0
[31142.268124]  btrfs_run_delayed_refs+0x86/0x210
[31142.268350]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.268596]  btrfs_start_dirty_block_groups+0x2af/0x540
[31142.268854]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.269090]  btrfs_commit_transaction+0x85e/0xad0
[31142.269323]  ? btrfs_attach_transaction_barrier+0x1f/0x50
[31142.269586]  ? vfs_fsync_range+0x90/0x90
[31142.269795]  iterate_supers+0x85/0xf0
[31142.269937]  ksys_sync+0x50/0x80
[31142.270069]  __do_sys_sync+0xa/0x10
[31142.270206]  do_syscall_64+0x38/0x90
[31142.270346]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[31142.270505] RIP: 0033:0x7f1b2322007b
[31142.270653] Code: c3 66 0f 1f 44 00 00 48 8b 15 f1 ad 0c 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa b8 a2 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 ad 0c 00 f7 d8 64 89 01 48
[31142.271121] RSP: 002b:00007fff9be522a8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a2
[31142.271358] RAX: ffffffffffffffda RBX: 000000000007a120 RCX: 00007f1b2322007b
[31142.271563] RDX: 00000000ffffffff RSI: 00000000670717c5 RDI: 0000000000000206
[31142.271804] RBP: 028f5c28f5c28f5c R08: 000000000000001e R09: 00007f1b232eba00
[31142.272000] R10: 00007fff9be51d90 R11: 0000000000000206 R12: 0000000000000206
[31142.272193] R13: 8f5c28f5c28f5c29 R14: 0000000000403370 R15: 00007f1b231256c8
[31142.272392]  
[31142.272506] irq event stamp: 0
[31142.272641] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[31142.272828] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[31142.273080] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[31142.273323] softirqs last disabled at (0): [<0000000000000000>] 0x0
[31142.273554] ---[ end trace 4538707148c1e5c0 ]---
[31142.273807] ------------[ cut here ]------------
[31142.273963] WARNING: CPU: 0 PID: 1983943 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[31142.274240] 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 xfs iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep intel_rapl_common snd_hda_core snd_pcm joydev snd_timer i2c_i801 i2c_smbus snd lpc_ich soundcore virtio_balloon zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[31142.275697] CPU: 0 PID: 1983943 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #528
[31142.275971] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[31142.276255] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[31142.276425] 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 5c 48 8b 05 58 b5 85 01 e8
[31142.276941] RSP: 0018:ffffb09346a8fcb0 EFLAGS: 00010202
[31142.277108] RAX: 000000000000000d RBX: ffff957893620800 RCX: 0000000000000000
[31142.277301] RDX: 0000000000000001 RSI: ffffffffa35b5d6a RDI: 00000000ffffffff
[31142.277492] RBP: 0000000000000000 R08: ffff9578d3b51d18 R09: 0000000000000000
[31142.277695] R10: ffff9578d3b51000 R11: ffff95788cded208 R12: ffff957894014f08
[31142.277957] R13: ffff957887452300 R14: ffff9578d3b51c30 R15: ffff9578d3b51cd8
[31142.278150] FS:  00007f1b23125740(0000) GS:ffff9578fbc00000(0000) knlGS:0000000000000000
[31142.278392] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[31142.278580] CR2: 0000563436a1a014 CR3: 0000000160de4005 CR4: 0000000000370ef0
[31142.278778] Call Trace:
[31142.278898]  
[31142.279015]  ? __mutex_lock+0x80/0x8a0
[31142.279159]  ? __mutex_lock+0xda/0x8a0
[31142.279297]  ? lock_release+0x1d0/0x2d0
[31142.279443]  btrfs_run_delayed_refs+0x86/0x210
[31142.279606]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.279767]  btrfs_start_dirty_block_groups+0x2af/0x540
[31142.279930]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.280087]  btrfs_commit_transaction+0x85e/0xad0
[31142.280244]  ? btrfs_attach_transaction_barrier+0x1f/0x50
[31142.280413]  ? vfs_fsync_range+0x90/0x90
[31142.280564]  iterate_supers+0x85/0xf0
[31142.281070]  ksys_sync+0x50/0x80
[31142.281251]  __do_sys_sync+0xa/0x10
[31142.281388]  do_syscall_64+0x38/0x90
[31142.281628]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[31142.281837] RIP: 0033:0x7f1b2322007b
[31142.282099] Code: c3 66 0f 1f 44 00 00 48 8b 15 f1 ad 0c 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa b8 a2 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 ad 0c 00 f7 d8 64 89 01 48
[31142.282808] RSP: 002b:00007fff9be522a8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a2
[31142.283070] RAX: ffffffffffffffda RBX: 000000000007a120 RCX: 00007f1b2322007b
[31142.283485] RDX: 00000000ffffffff RSI: 00000000670717c5 RDI: 0000000000000206
[31142.283914] RBP: 028f5c28f5c28f5c R08: 000000000000001e R09: 00007f1b232eba00
[31142.284205] R10: 00007fff9be51d90 R11: 0000000000000206 R12: 0000000000000206
[31142.284599] R13: 8f5c28f5c28f5c29 R14: 0000000000403370 R15: 00007f1b231256c8
[31142.284974]  
[31142.285200] irq event stamp: 0
[31142.285457] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[31142.285803] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[31142.286246] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[31142.286623] softirqs last disabled at (0): [<0000000000000000>] 0x0
[31142.286923] ---[ end trace 4538707148c1e5c1 ]---
[31142.287243] ------------[ cut here ]------------
[31142.287466] WARNING: CPU: 0 PID: 1983943 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[31142.287886] 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 xfs iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep intel_rapl_common snd_hda_core snd_pcm joydev snd_timer i2c_i801 i2c_smbus snd lpc_ich soundcore virtio_balloon zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[31142.289849] CPU: 0 PID: 1983943 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #528
[31142.290216] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[31142.290577] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[31142.290818] 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 5c 48 8b 05 58 b5 85 01 e8
[31142.291436] RSP: 0018:ffffb09346a8fcb0 EFLAGS: 00010202
[31142.291675] RAX: 000000000000000d RBX: ffff957893620800 RCX: 0000000000000000
[31142.291946] RDX: 0000000000000001 RSI: ffffffffa35b5d6a RDI: 00000000ffffffff
[31142.292195] RBP: 0000000000000000 R08: ffff9578d3b51e50 R09: 0000000000000000
[31142.292474] R10: ffff9578d3b51c00 R11: ffff95788cded208 R12: ffff9578940142d8
[31142.293914] R13: ffff957887452300 R14: ffff9578d3b51d68 R15: ffff9578d3b51e10
[31142.294214] FS:  00007f1b23125740(0000) GS:ffff9578fbc00000(0000) knlGS:0000000000000000
[31142.294604] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[31142.294847] CR2: 0000563436a1a014 CR3: 0000000160de4005 CR4: 0000000000370ef0
[31142.295121] Call Trace:
[31142.295296]  
[31142.295464]  ? __mutex_lock+0x80/0x8a0
[31142.295680]  ? __mutex_lock+0xda/0x8a0
[31142.295910]  ? lock_release+0x1d0/0x2d0
[31142.296117]  btrfs_run_delayed_refs+0x86/0x210
[31142.296394]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.296644]  btrfs_start_dirty_block_groups+0x2af/0x540
[31142.296911]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.297128]  btrfs_commit_transaction+0x85e/0xad0
[31142.297350]  ? btrfs_attach_transaction_barrier+0x1f/0x50
[31142.297606]  ? vfs_fsync_range+0x90/0x90
[31142.297819]  iterate_supers+0x85/0xf0
[31142.298021]  ksys_sync+0x50/0x80
[31142.298210]  __do_sys_sync+0xa/0x10
[31142.298408]  do_syscall_64+0x38/0x90
[31142.298623]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[31142.298854] RIP: 0033:0x7f1b2322007b
[31142.299049] Code: c3 66 0f 1f 44 00 00 48 8b 15 f1 ad 0c 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa b8 a2 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 ad 0c 00 f7 d8 64 89 01 48
[31142.299726] RSP: 002b:00007fff9be522a8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a2
[31142.300073] RAX: ffffffffffffffda RBX: 000000000007a120 RCX: 00007f1b2322007b
[31142.300352] RDX: 00000000ffffffff RSI: 00000000670717c5 RDI: 0000000000000206
[31142.300641] RBP: 028f5c28f5c28f5c R08: 000000000000001e R09: 00007f1b232eba00
[31142.300920] R10: 00007fff9be51d90 R11: 0000000000000206 R12: 0000000000000206
[31142.301198] R13: 8f5c28f5c28f5c29 R14: 0000000000403370 R15: 00007f1b231256c8
[31142.301476]  
[31142.301701] irq event stamp: 0
[31142.301887] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[31142.302145] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[31142.310975] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[31142.311336] softirqs last disabled at (0): [<0000000000000000>] 0x0
[31142.311602] ---[ end trace 4538707148c1e5c2 ]---
[31142.311927] ------------[ cut here ]------------
[31142.312147] WARNING: CPU: 0 PID: 1983943 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[31142.312564] 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 xfs iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep intel_rapl_common snd_hda_core snd_pcm joydev snd_timer i2c_i801 i2c_smbus snd lpc_ich soundcore virtio_balloon zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[31142.314506] CPU: 0 PID: 1983943 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #528
[31142.314875] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[31142.315208] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[31142.315450] 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 5c 48 8b 05 58 b5 85 01 e8
[31142.316107] RSP: 0018:ffffb09346a8fcb0 EFLAGS: 00010202
[31142.316333] RAX: 000000000000000d RBX: ffff957893620800 RCX: 0000000000000000
[31142.316614] RDX: 0000000000000001 RSI: ffffffffa35b5d6a RDI: 00000000ffffffff
[31142.316891] RBP: 0000000000000000 R08: ffff9578cc0f2838 R09: 0000000000000000
[31142.317155] R10: ffff9578d3b51d00 R11: ffff95788cded208 R12: ffff9578fab19138
[31142.317415] R13: ffff957887452300 R14: ffff9578cc0f2750 R15: ffff9578cc0f27f8
[31142.317710] FS:  00007f1b23125740(0000) GS:ffff9578fbc00000(0000) knlGS:0000000000000000
[31142.318067] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[31142.318306] CR2: 0000563436a1a014 CR3: 0000000160de4005 CR4: 0000000000370ef0
[31142.318599] Call Trace:
[31142.318776]  
[31142.318936]  ? __mutex_lock+0x80/0x8a0
[31142.319135]  ? __mutex_lock+0xda/0x8a0
[31142.319342]  ? lock_release+0x1d0/0x2d0
[31142.319552]  btrfs_run_delayed_refs+0x86/0x210
[31142.319771]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.319990]  btrfs_start_dirty_block_groups+0x2af/0x540
[31142.320219]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.320429]  btrfs_commit_transaction+0x85e/0xad0
[31142.320666]  ? btrfs_attach_transaction_barrier+0x1f/0x50
[31142.320908]  ? vfs_fsync_range+0x90/0x90
[31142.321116]  iterate_supers+0x85/0xf0
[31142.321319]  ksys_sync+0x50/0x80
[31142.321509]  __do_sys_sync+0xa/0x10
[31142.321716]  do_syscall_64+0x38/0x90
[31142.322169]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[31142.322466] RIP: 0033:0x7f1b2322007b
[31142.322717] Code: c3 66 0f 1f 44 00 00 48 8b 15 f1 ad 0c 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa b8 a2 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 ad 0c 00 f7 d8 64 89 01 48
[31142.323703] RSP: 002b:00007fff9be522a8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a2
[31142.325975] RAX: ffffffffffffffda RBX: 000000000007a120 RCX: 00007f1b2322007b
[31142.326284] RDX: 00000000ffffffff RSI: 00000000670717c5 RDI: 0000000000000206
[31142.326621] RBP: 028f5c28f5c28f5c R08: 000000000000001e R09: 00007f1b232eba00
[31142.326932] R10: 00007fff9be51d90 R11: 0000000000000206 R12: 0000000000000206
[31142.327237] R13: 8f5c28f5c28f5c29 R14: 0000000000403370 R15: 00007f1b231256c8
[31142.327582]  
[31142.327788] irq event stamp: 0
[31142.327987] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[31142.328274] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[31142.328728] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[31142.329103] softirqs last disabled at (0): [<0000000000000000>] 0x0
[31142.329371] ---[ end trace 4538707148c1e5c3 ]---
[31142.329635] ------------[ cut here ]------------
[31142.329796] WARNING: CPU: 0 PID: 1983943 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[31142.330090] 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 xfs iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep intel_rapl_common snd_hda_core snd_pcm joydev snd_timer i2c_i801 i2c_smbus snd lpc_ich soundcore virtio_balloon zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[31142.331538] CPU: 0 PID: 1983943 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #528
[31142.331800] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[31142.332051] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[31142.332244] 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 5c 48 8b 05 58 b5 85 01 e8
[31142.332735] RSP: 0018:ffffb09346a8fcb0 EFLAGS: 00010202
[31142.332906] RAX: 000000000000000d RBX: ffff957893620800 RCX: 0000000000000000
[31142.333106] RDX: 0000000000000001 RSI: ffffffffa35b5d6a RDI: 00000000ffffffff
[31142.333302] RBP: 0000000000000000 R08: ffff9578d3b51358 R09: 0000000000000000
[31142.333502] R10: ffff9578cc0f2700 R11: ffff95788cded208 R12: ffff957894014ea0
[31142.333721] R13: ffff957887452300 R14: ffff9578d3b51270 R15: ffff9578d3b51318
[31142.333921] FS:  00007f1b23125740(0000) GS:ffff9578fbc00000(0000) knlGS:0000000000000000
[31142.334170] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[31142.334342] CR2: 0000563436a1a014 CR3: 0000000160de4005 CR4: 0000000000370ef0
[31142.334567] Call Trace:
[31142.334693]  
[31142.334816]  ? __mutex_lock+0x80/0x8a0
[31142.334964]  ? __mutex_lock+0xda/0x8a0
[31142.335107]  ? lock_release+0x1d0/0x2d0
[31142.335260]  btrfs_run_delayed_refs+0x86/0x210
[31142.335422]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.335595]  btrfs_start_dirty_block_groups+0x2af/0x540
[31142.335769]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.335933]  btrfs_commit_transaction+0x85e/0xad0
[31142.336094]  ? btrfs_attach_transaction_barrier+0x1f/0x50
[31142.336264]  ? vfs_fsync_range+0x90/0x90
[31142.336410]  iterate_supers+0x85/0xf0
[31142.336562]  ksys_sync+0x50/0x80
[31142.336702]  __do_sys_sync+0xa/0x10
[31142.336845]  do_syscall_64+0x38/0x90
[31142.336986]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[31142.337156] RIP: 0033:0x7f1b2322007b
[31142.337337] Code: c3 66 0f 1f 44 00 00 48 8b 15 f1 ad 0c 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa b8 a2 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 ad 0c 00 f7 d8 64 89 01 48
[31142.337857] RSP: 002b:00007fff9be522a8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a2
[31142.338095] RAX: ffffffffffffffda RBX: 000000000007a120 RCX: 00007f1b2322007b
[31142.338284] RDX: 00000000ffffffff RSI: 00000000670717c5 RDI: 0000000000000206
[31142.338476] RBP: 028f5c28f5c28f5c R08: 000000000000001e R09: 00007f1b232eba00
[31142.338676] R10: 00007fff9be51d90 R11: 0000000000000206 R12: 0000000000000206
[31142.338899] R13: 8f5c28f5c28f5c29 R14: 0000000000403370 R15: 00007f1b231256c8
[31142.339099]  
[31142.339217] irq event stamp: 0
[31142.339350] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[31142.339545] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[31142.339817] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[31142.340069] softirqs last disabled at (0): [<0000000000000000>] 0x0
[31142.340247] ---[ end trace 4538707148c1e5c4 ]---
[31142.340464] ------------[ cut here ]------------
[31142.340633] WARNING: CPU: 0 PID: 1983943 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[31142.340963] 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 xfs iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep intel_rapl_common snd_hda_core snd_pcm joydev snd_timer i2c_i801 i2c_smbus snd lpc_ich soundcore virtio_balloon zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[31142.342369] CPU: 0 PID: 1983943 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #528
[31142.342629] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[31142.342890] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[31142.343080] 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 5c 48 8b 05 58 b5 85 01 e8
[31142.343556] RSP: 0018:ffffb09346a8fcb0 EFLAGS: 00010202
[31142.343728] RAX: 000000000000000d RBX: ffff957893620800 RCX: 0000000000000000
[31142.343930] RDX: 0000000000000001 RSI: ffffffffa35b5d6a RDI: 00000000ffffffff
[31142.344131] RBP: 0000000000000000 R08: ffff9578d3b515c8 R09: 0000000000000000
[31142.344330] R10: ffff9578d3b51200 R11: ffff95788cded208 R12: ffff9578940147b8
[31142.344558] R13: ffff957887452300 R14: ffff9578d3b514e0 R15: ffff9578d3b51588
[31142.344755] FS:  00007f1b23125740(0000) GS:ffff9578fbc00000(0000) knlGS:0000000000000000
[31142.344998] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[31142.345170] CR2: 0000563436a1a014 CR3: 0000000160de4005 CR4: 0000000000370ef0
[31142.345370] Call Trace:
[31142.345490]  
[31142.345615]  ? __mutex_lock+0x80/0x8a0
[31142.345764]  ? __mutex_lock+0xda/0x8a0
[31142.345909]  ? lock_release+0x1d0/0x2d0
[31142.346080]  btrfs_run_delayed_refs+0x86/0x210
[31142.346231]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.346388]  btrfs_start_dirty_block_groups+0x2af/0x540
[31142.346567]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.346724]  btrfs_commit_transaction+0x85e/0xad0
[31142.346881]  ? btrfs_attach_transaction_barrier+0x1f/0x50
[31142.347051]  ? vfs_fsync_range+0x90/0x90
[31142.352811]  iterate_supers+0x85/0xf0
[31142.352956]  ksys_sync+0x50/0x80
[31142.353092]  __do_sys_sync+0xa/0x10
[31142.353227]  do_syscall_64+0x38/0x90
[31142.353365]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[31142.353540] RIP: 0033:0x7f1b2322007b
[31142.353683] Code: c3 66 0f 1f 44 00 00 48 8b 15 f1 ad 0c 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa b8 a2 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 ad 0c 00 f7 d8 64 89 01 48
[31142.355729] RSP: 002b:00007fff9be522a8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a2
[31142.355995] RAX: ffffffffffffffda RBX: 000000000007a120 RCX: 00007f1b2322007b
[31142.356200] RDX: 00000000ffffffff RSI: 00000000670717c5 RDI: 0000000000000206
[31142.356535] RBP: 028f5c28f5c28f5c R08: 000000000000001e R09: 00007f1b232eba00
[31142.356864] R10: 00007fff9be51d90 R11: 0000000000000206 R12: 0000000000000206
[31142.357197] R13: 8f5c28f5c28f5c29 R14: 0000000000403370 R15: 00007f1b231256c8
[31142.357507]  
[31142.357729] irq event stamp: 0
[31142.357904] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[31142.358167] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[31142.358456] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[31142.358740] softirqs last disabled at (0): [<0000000000000000>] 0x0
[31142.358938] ---[ end trace 4538707148c1e5c5 ]---
[31142.359155] ------------[ cut here ]------------
[31142.359311] WARNING: CPU: 0 PID: 1983943 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[31142.359616] 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 xfs iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep intel_rapl_common snd_hda_core snd_pcm joydev snd_timer i2c_i801 i2c_smbus snd lpc_ich soundcore virtio_balloon zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[31142.361050] CPU: 0 PID: 1983943 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #528
[31142.361302] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[31142.361568] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[31142.361741] 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 5c 48 8b 05 58 b5 85 01 e8
[31142.362192] RSP: 0018:ffffb09346a8fcb0 EFLAGS: 00010202
[31142.362356] RAX: 000000000000000d RBX: ffff957893620800 RCX: 0000000000000000
[31142.362564] RDX: 0000000000000001 RSI: ffffffffa35b5d6a RDI: 00000000ffffffff
[31142.362764] RBP: 0000000000000000 R08: ffff9578e0cfad18 R09: 0000000000000000
[31142.362960] R10: ffff9578d3b51400 R11: ffff95788cded208 R12: ffff957894014f70
[31142.363155] R13: ffff957887452300 R14: ffff9578e0cfac30 R15: ffff9578e0cfacd8
[31142.363351] FS:  00007f1b23125740(0000) GS:ffff9578fbc00000(0000) knlGS:0000000000000000
[31142.363608] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[31142.363787] CR2: 0000563436a1a014 CR3: 0000000160de4005 CR4: 0000000000370ef0
[31142.363985] Call Trace:
[31142.364105]  
[31142.364219]  ? __mutex_lock+0x80/0x8a0
[31142.364362]  ? __mutex_lock+0xda/0x8a0
[31142.364504]  ? lock_release+0x1d0/0x2d0
[31142.364655]  btrfs_run_delayed_refs+0x86/0x210
[31142.364811]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.364969]  btrfs_start_dirty_block_groups+0x2af/0x540
[31142.365136]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.365294]  btrfs_commit_transaction+0x85e/0xad0
[31142.365452]  ? btrfs_attach_transaction_barrier+0x1f/0x50
[31142.365630]  ? vfs_fsync_range+0x90/0x90
[31142.365783]  iterate_supers+0x85/0xf0
[31142.365921]  ksys_sync+0x50/0x80
[31142.366082]  __do_sys_sync+0xa/0x10
[31142.366220]  do_syscall_64+0x38/0x90
[31142.366361]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[31142.366531] RIP: 0033:0x7f1b2322007b
[31142.366670] Code: c3 66 0f 1f 44 00 00 48 8b 15 f1 ad 0c 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa b8 a2 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 ad 0c 00 f7 d8 64 89 01 48
[31142.367135] RSP: 002b:00007fff9be522a8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a2
[31142.367371] RAX: ffffffffffffffda RBX: 000000000007a120 RCX: 00007f1b2322007b
[31142.367580] RDX: 00000000ffffffff RSI: 00000000670717c5 RDI: 0000000000000206
[31142.367802] RBP: 028f5c28f5c28f5c R08: 000000000000001e R09: 00007f1b232eba00
[31142.368021] R10: 00007fff9be51d90 R11: 0000000000000206 R12: 0000000000000206
[31142.368216] R13: 8f5c28f5c28f5c29 R14: 0000000000403370 R15: 00007f1b231256c8
[31142.368416]  
[31142.368542] irq event stamp: 0
[31142.368670] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[31142.368897] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[31142.369150] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[31142.369397] softirqs last disabled at (0): [<0000000000000000>] 0x0
[31142.369590] ---[ end trace 4538707148c1e5c6 ]---
[31142.369858] ------------[ cut here ]------------
[31142.370015] WARNING: CPU: 0 PID: 1983943 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[31142.370291] 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 xfs iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep intel_rapl_common snd_hda_core snd_pcm joydev snd_timer i2c_i801 i2c_smbus snd lpc_ich soundcore virtio_balloon zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[31142.371733] CPU: 0 PID: 1983943 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #528
[31142.371994] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[31142.372246] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[31142.372422] 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 5c 48 8b 05 58 b5 85 01 e8
[31142.372908] RSP: 0018:ffffb09346a8fcb0 EFLAGS: 00010202
[31142.373073] RAX: 000000000000000d RBX: ffff957893620800 RCX: 0000000000000000
[31142.373267] RDX: 0000000000000001 RSI: ffffffffa35b5d6a RDI: 00000000ffffffff
[31142.373458] RBP: 0000000000000000 R08: ffff9578e0cfa358 R09: 0000000000000000
[31142.373664] R10: ffff9578e0cfac00 R11: ffff95788cded208 R12: ffff957894014138
[31142.373862] R13: ffff957887452300 R14: ffff9578e0cfa270 R15: ffff9578e0cfa318
[31142.374060] FS:  00007f1b23125740(0000) GS:ffff9578fbc00000(0000) knlGS:0000000000000000
[31142.374308] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[31142.374480] CR2: 0000563436a1a014 CR3: 0000000160de4005 CR4: 0000000000370ef0
[31142.374684] Call Trace:
[31142.374811]  
[31142.374929]  ? __mutex_lock+0x80/0x8a0
[31142.375072]  ? __mutex_lock+0xda/0x8a0
[31142.375231]  ? lock_release+0x1d0/0x2d0
[31142.375418]  btrfs_run_delayed_refs+0x86/0x210
[31142.375622]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.375789]  btrfs_start_dirty_block_groups+0x2af/0x540
[31142.376279]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.376644]  btrfs_commit_transaction+0x85e/0xad0
[31142.377015]  ? btrfs_attach_transaction_barrier+0x1f/0x50
[31142.377383]  ? vfs_fsync_range+0x90/0x90
[31142.377659]  iterate_supers+0x85/0xf0
[31142.377870]  ksys_sync+0x50/0x80
[31142.378134]  __do_sys_sync+0xa/0x10
[31142.378449]  do_syscall_64+0x38/0x90
[31142.378711]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[31142.378951] RIP: 0033:0x7f1b2322007b
[31142.379250] Code: c3 66 0f 1f 44 00 00 48 8b 15 f1 ad 0c 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa b8 a2 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 ad 0c 00 f7 d8 64 89 01 48
[31142.379899] RSP: 002b:00007fff9be522a8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a2
[31142.380193] RAX: ffffffffffffffda RBX: 000000000007a120 RCX: 00007f1b2322007b
[31142.380487] RDX: 00000000ffffffff RSI: 00000000670717c5 RDI: 0000000000000206
[31142.380807] RBP: 028f5c28f5c28f5c R08: 000000000000001e R09: 00007f1b232eba00
[31142.381103] R10: 00007fff9be51d90 R11: 0000000000000206 R12: 0000000000000206
[31142.381407] R13: 8f5c28f5c28f5c29 R14: 0000000000403370 R15: 00007f1b231256c8
[31142.381659]  
[31142.381859] irq event stamp: 0
[31142.382089] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[31142.382369] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[31142.382645] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[31142.382924] softirqs last disabled at (0): [<0000000000000000>] 0x0
[31142.383115] ---[ end trace 4538707148c1e5c7 ]---
[31142.383352] ------------[ cut here ]------------
[31142.383547] WARNING: CPU: 0 PID: 1983943 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[31142.384847] 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 xfs iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep intel_rapl_common snd_hda_core snd_pcm joydev snd_timer i2c_i801 i2c_smbus snd lpc_ich soundcore virtio_balloon zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[31142.386307] CPU: 0 PID: 1983943 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #528
[31142.386581] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[31142.386855] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[31142.387034] 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 5c 48 8b 05 58 b5 85 01 e8
[31142.387536] RSP: 0018:ffffb09346a8fcb0 EFLAGS: 00010202
[31142.393442] RAX: 000000000000000d RBX: ffff957893620800 RCX: 0000000000000000
[31142.393679] RDX: 0000000000000001 RSI: ffffffffa35b5d6a RDI: 00000000ffffffff
[31142.393888] RBP: 0000000000000000 R08: ffff95788605a0e8 R09: 0000000000000000
[31142.394088] R10: ffff9578e0cfa200 R11: ffff95788cded208 R12: ffff9578fab198f0
[31142.394288] R13: ffff957887452300 R14: ffff95788605a000 R15: ffff95788605a0a8
[31142.394506] FS:  00007f1b23125740(0000) GS:ffff9578fbc00000(0000) knlGS:0000000000000000
[31142.394774] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[31142.394949] CR2: 0000563436a1a014 CR3: 0000000160de4005 CR4: 0000000000370ef0
[31142.395149] Call Trace:
[31142.395271]  
[31142.395390]  ? __mutex_lock+0x80/0x8a0
[31142.395566]  ? __mutex_lock+0xda/0x8a0
[31142.395713]  ? lock_release+0x1d0/0x2d0
[31142.395868]  btrfs_run_delayed_refs+0x86/0x210
[31142.396027]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.396189]  btrfs_start_dirty_block_groups+0x2af/0x540
[31142.396359]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.396551]  btrfs_commit_transaction+0x85e/0xad0
[31142.396713]  ? btrfs_attach_transaction_barrier+0x1f/0x50
[31142.396884]  ? vfs_fsync_range+0x90/0x90
[31142.397027]  iterate_supers+0x85/0xf0
[31142.397172]  ksys_sync+0x50/0x80
[31142.397308]  __do_sys_sync+0xa/0x10
[31142.397444]  do_syscall_64+0x38/0x90
[31142.397596]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[31142.397788] RIP: 0033:0x7f1b2322007b
[31142.397945] Code: c3 66 0f 1f 44 00 00 48 8b 15 f1 ad 0c 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa b8 a2 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 ad 0c 00 f7 d8 64 89 01 48
[31142.398416] RSP: 002b:00007fff9be522a8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a2
[31142.398696] RAX: ffffffffffffffda RBX: 000000000007a120 RCX: 00007f1b2322007b
[31142.398901] RDX: 00000000ffffffff RSI: 00000000670717c5 RDI: 0000000000000206
[31142.399096] RBP: 028f5c28f5c28f5c R08: 000000000000001e R09: 00007f1b232eba00
[31142.399291] R10: 00007fff9be51d90 R11: 0000000000000206 R12: 0000000000000206
[31142.399488] R13: 8f5c28f5c28f5c29 R14: 0000000000403370 R15: 00007f1b231256c8
[31142.399699]  
[31142.399823] irq event stamp: 0
[31142.399955] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[31142.400162] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[31142.400418] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[31142.400700] softirqs last disabled at (0): [<0000000000000000>] 0x0
[31142.400894] ---[ end trace 4538707148c1e5c8 ]---
[31142.401117] ------------[ cut here ]------------
[31142.401282] WARNING: CPU: 0 PID: 1983943 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[31142.401603] 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 xfs iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep intel_rapl_common snd_hda_core snd_pcm joydev snd_timer i2c_i801 i2c_smbus snd lpc_ich soundcore virtio_balloon zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[31142.403056] CPU: 0 PID: 1983943 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #528
[31142.403304] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[31142.403574] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[31142.403753] 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 5c 48 8b 05 58 b5 85 01 e8
[31142.404211] RSP: 0018:ffffb09346a8fcb0 EFLAGS: 00010202
[31142.404378] RAX: 000000000000000d RBX: ffff957893620800 RCX: 0000000000000000
[31142.404587] RDX: 0000000000000001 RSI: ffffffffa35b5d6a RDI: 00000000ffffffff
[31142.404792] RBP: 0000000000000000 R08: ffff95788605a838 R09: 0000000000000000
[31142.404991] R10: ffff95788605a000 R11: ffff95788cded208 R12: ffff9578fab196e8
[31142.405187] R13: ffff957887452300 R14: ffff95788605a750 R15: ffff95788605a7f8
[31142.405383] FS:  00007f1b23125740(0000) GS:ffff9578fbc00000(0000) knlGS:0000000000000000
[31142.405638] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[31142.405818] CR2: 0000563436a1a014 CR3: 0000000160de4005 CR4: 0000000000370ef0
[31142.406016] Call Trace:
[31142.406138]  
[31142.406255]  ? __mutex_lock+0x80/0x8a0
[31142.406401]  ? __mutex_lock+0xda/0x8a0
[31142.406556]  ? lock_release+0x1d0/0x2d0
[31142.406703]  btrfs_run_delayed_refs+0x86/0x210
[31142.406863]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.407024]  btrfs_start_dirty_block_groups+0x2af/0x540
[31142.407191]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.407348]  btrfs_commit_transaction+0x85e/0xad0
[31142.407503]  ? btrfs_attach_transaction_barrier+0x1f/0x50
[31142.407683]  ? vfs_fsync_range+0x90/0x90
[31142.407836]  iterate_supers+0x85/0xf0
[31142.407975]  ksys_sync+0x50/0x80
[31142.408107]  __do_sys_sync+0xa/0x10
[31142.408244]  do_syscall_64+0x38/0x90
[31142.408381]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[31142.408554] RIP: 0033:0x7f1b2322007b
[31142.408697] Code: c3 66 0f 1f 44 00 00 48 8b 15 f1 ad 0c 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa b8 a2 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 ad 0c 00 f7 d8 64 89 01 48
[31142.409347] RSP: 002b:00007fff9be522a8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a2
[31142.409606] RAX: ffffffffffffffda RBX: 000000000007a120 RCX: 00007f1b2322007b
[31142.409895] RDX: 00000000ffffffff RSI: 00000000670717c5 RDI: 0000000000000206
[31142.410183] RBP: 028f5c28f5c28f5c R08: 000000000000001e R09: 00007f1b232eba00
[31142.410496] R10: 00007fff9be51d90 R11: 0000000000000206 R12: 0000000000000206
[31142.410792] R13: 8f5c28f5c28f5c29 R14: 0000000000403370 R15: 00007f1b231256c8
[31142.411011]  
[31142.411186] irq event stamp: 0
[31142.411391] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[31142.411651] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[31142.412017] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[31142.412385] softirqs last disabled at (0): [<0000000000000000>] 0x0
[31142.412641] ---[ end trace 4538707148c1e5c9 ]---
[31142.412884] ------------[ cut here ]------------
[31142.413144] WARNING: CPU: 0 PID: 1983943 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[31142.413527] 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 xfs iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep intel_rapl_common snd_hda_core snd_pcm joydev snd_timer i2c_i801 i2c_smbus snd lpc_ich soundcore virtio_balloon zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[31142.415978] CPU: 0 PID: 1983943 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #528
[31142.416237] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[31142.416486] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[31142.416676] 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 5c 48 8b 05 58 b5 85 01 e8
[31142.417141] RSP: 0018:ffffb09346a8fcb0 EFLAGS: 00010202
[31142.417303] RAX: 000000000000000d RBX: ffff957893620800 RCX: 0000000000000000
[31142.417496] RDX: 0000000000000001 RSI: ffffffffa35b5d6a RDI: 00000000ffffffff
[31142.417698] RBP: 0000000000000000 R08: ffff9578e0cfaaa8 R09: 0000000000000000
[31142.417898] R10: ffff95788605a750 R11: ffff95788cded208 R12: ffff9578940140d0
[31142.418092] R13: ffff957887452300 R14: ffff9578e0cfa9c0 R15: ffff9578e0cfaa68
[31142.418288] FS:  00007f1b23125740(0000) GS:ffff9578fbc00000(0000) knlGS:0000000000000000
[31142.418546] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[31142.418718] CR2: 0000563436a1a014 CR3: 0000000160de4005 CR4: 0000000000370ef0
[31142.418917] Call Trace:
[31142.419035]  
[31142.419154]  ? __mutex_lock+0x80/0x8a0
[31142.419295]  ? __mutex_lock+0xda/0x8a0
[31142.419434]  ? lock_release+0x1d0/0x2d0
[31142.419591]  btrfs_run_delayed_refs+0x86/0x210
[31142.419747]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.419903]  btrfs_start_dirty_block_groups+0x2af/0x540
[31142.420073]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.420231]  btrfs_commit_transaction+0x85e/0xad0
[31142.420390]  ? btrfs_attach_transaction_barrier+0x1f/0x50
[31142.420568]  ? vfs_fsync_range+0x90/0x90
[31142.420712]  iterate_supers+0x85/0xf0
[31142.420863]  ksys_sync+0x50/0x80
[31142.420998]  __do_sys_sync+0xa/0x10
[31142.421133]  do_syscall_64+0x38/0x90
[31142.421272]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[31142.421435] RIP: 0033:0x7f1b2322007b
[31142.421584] Code: c3 66 0f 1f 44 00 00 48 8b 15 f1 ad 0c 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa b8 a2 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 ad 0c 00 f7 d8 64 89 01 48
[31142.422043] RSP: 002b:00007fff9be522a8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a2
[31142.422282] RAX: ffffffffffffffda RBX: 000000000007a120 RCX: 00007f1b2322007b
[31142.422476] RDX: 00000000ffffffff RSI: 00000000670717c5 RDI: 0000000000000206
[31142.422681] RBP: 028f5c28f5c28f5c R08: 000000000000001e R09: 00007f1b232eba00
[31142.422881] R10: 00007fff9be51d90 R11: 0000000000000206 R12: 0000000000000206
[31142.423073] R13: 8f5c28f5c28f5c29 R14: 0000000000403370 R15: 00007f1b231256c8
[31142.423273]  
[31142.423388] irq event stamp: 0
[31142.423528] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[31142.423707] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[31142.423964] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[31142.424213] softirqs last disabled at (0): [<0000000000000000>] 0x0
[31142.424392] ---[ end trace 4538707148c1e5ca ]---
[31142.430310] ------------[ cut here ]------------
[31142.430469] WARNING: CPU: 0 PID: 1983943 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[31142.430768] 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 xfs iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep intel_rapl_common snd_hda_core snd_pcm joydev snd_timer i2c_i801 i2c_smbus snd lpc_ich soundcore virtio_balloon zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[31142.432152] CPU: 0 PID: 1983943 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #528
[31142.432408] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[31142.432667] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[31142.432843] 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 5c 48 8b 05 58 b5 85 01 e8
[31142.433300] RSP: 0018:ffffb09346a8fcb0 EFLAGS: 00010202
[31142.433463] RAX: 000000000000000d RBX: ffff957893620800 RCX: 0000000000000000
[31142.433667] RDX: 0000000000000001 RSI: ffffffffa35b5d6a RDI: 00000000ffffffff
[31142.433868] RBP: 0000000000000000 R08: ffff9578e0cfa838 R09: 0000000000000000
[31142.434059] R10: ffff9578e0cfa900 R11: ffff95788cded208 R12: ffff9578fab195b0
[31142.434256] R13: ffff957887452300 R14: ffff9578e0cfa750 R15: ffff9578e0cfa7f8
[31142.434451] FS:  00007f1b23125740(0000) GS:ffff9578fbc00000(0000) knlGS:0000000000000000
[31142.434715] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[31142.434887] CR2: 0000563436a1a014 CR3: 0000000160de4005 CR4: 0000000000370ef0
[31142.435082] Call Trace:
[31142.435200]  
[31142.435319]  ? __mutex_lock+0x80/0x8a0
[31142.435463]  ? __mutex_lock+0xda/0x8a0
[31142.435614]  ? lock_release+0x1d0/0x2d0
[31142.435766]  btrfs_run_delayed_refs+0x86/0x210
[31142.435918]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.436075]  btrfs_start_dirty_block_groups+0x2af/0x540
[31142.436240]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.436399]  btrfs_commit_transaction+0x85e/0xad0
[31142.436570]  ? btrfs_attach_transaction_barrier+0x1f/0x50
[31142.436739]  ? vfs_fsync_range+0x90/0x90
[31142.436884]  iterate_supers+0x85/0xf0
[31142.437026]  ksys_sync+0x50/0x80
[31142.437161]  __do_sys_sync+0xa/0x10
[31142.437298]  do_syscall_64+0x38/0x90
[31142.437437]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[31142.437612] RIP: 0033:0x7f1b2322007b
[31142.437755] Code: c3 66 0f 1f 44 00 00 48 8b 15 f1 ad 0c 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa b8 a2 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 ad 0c 00 f7 d8 64 89 01 48
[31142.438208] RSP: 002b:00007fff9be522a8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a2
[31142.438447] RAX: ffffffffffffffda RBX: 000000000007a120 RCX: 00007f1b2322007b
[31142.438651] RDX: 00000000ffffffff RSI: 00000000670717c5 RDI: 0000000000000206
[31142.439207] RBP: 028f5c28f5c28f5c R08: 000000000000001e R09: 00007f1b232eba00
[31142.439432] R10: 00007fff9be51d90 R11: 0000000000000206 R12: 0000000000000206
[31142.439808] R13: 8f5c28f5c28f5c29 R14: 0000000000403370 R15: 00007f1b231256c8
[31142.440143]  
[31142.440403] irq event stamp: 0
[31142.440712] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[31142.441019] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[31142.441378] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[31142.441816] softirqs last disabled at (0): [<0000000000000000>] 0x0
[31142.442213] ---[ end trace 4538707148c1e5cb ]---
[31142.442704] ------------[ cut here ]------------
[31142.443026] WARNING: CPU: 0 PID: 1983943 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[31142.443400] 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 xfs iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep intel_rapl_common snd_hda_core snd_pcm joydev snd_timer i2c_i801 i2c_smbus snd lpc_ich soundcore virtio_balloon zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[31142.446021] CPU: 0 PID: 1983943 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #528
[31142.446273] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[31142.446543] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[31142.446716] 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 5c 48 8b 05 58 b5 85 01 e8
[31142.447176] RSP: 0018:ffffb09346a8fcb0 EFLAGS: 00010202
[31142.447341] RAX: 000000000000000d RBX: ffff957893620800 RCX: 0000000000000000
[31142.447548] RDX: 0000000000000001 RSI: ffffffffa35b5d6a RDI: 00000000ffffffff
[31142.447752] RBP: 0000000000000000 R08: ffff95788605a700 R09: 0000000000000000
[31142.447949] R10: ffff9578e0cfa700 R11: ffff95788cded208 R12: ffff9578fab19c98
[31142.448142] R13: ffff957887452300 R14: ffff95788605a618 R15: ffff95788605a6c0
[31142.448336] FS:  00007f1b23125740(0000) GS:ffff9578fbc00000(0000) knlGS:0000000000000000
[31142.448593] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[31142.448774] CR2: 0000563436a1a014 CR3: 0000000160de4005 CR4: 0000000000370ef0
[31142.448972] Call Trace:
[31142.449094]  
[31142.449210]  ? __mutex_lock+0x80/0x8a0
[31142.449355]  ? __mutex_lock+0xda/0x8a0
[31142.449494]  ? lock_release+0x1d0/0x2d0
[31142.449647]  btrfs_run_delayed_refs+0x86/0x210
[31142.449809]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.449970]  btrfs_start_dirty_block_groups+0x2af/0x540
[31142.450135]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.450292]  btrfs_commit_transaction+0x85e/0xad0
[31142.450446]  ? btrfs_attach_transaction_barrier+0x1f/0x50
[31142.450629]  ? vfs_fsync_range+0x90/0x90
[31142.450781]  iterate_supers+0x85/0xf0
[31142.450922]  ksys_sync+0x50/0x80
[31142.451054]  __do_sys_sync+0xa/0x10
[31142.451192]  do_syscall_64+0x38/0x90
[31142.451328]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[31142.451490] RIP: 0033:0x7f1b2322007b
[31142.451643] Code: c3 66 0f 1f 44 00 00 48 8b 15 f1 ad 0c 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa b8 a2 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 ad 0c 00 f7 d8 64 89 01 48
[31142.452112] RSP: 002b:00007fff9be522a8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a2
[31142.452350] RAX: ffffffffffffffda RBX: 000000000007a120 RCX: 00007f1b2322007b
[31142.452557] RDX: 00000000ffffffff RSI: 00000000670717c5 RDI: 0000000000000206
[31142.452770] RBP: 028f5c28f5c28f5c R08: 000000000000001e R09: 00007f1b232eba00
[31142.452967] R10: 00007fff9be51d90 R11: 0000000000000206 R12: 0000000000000206
[31142.453167] R13: 8f5c28f5c28f5c29 R14: 0000000000403370 R15: 00007f1b231256c8
[31142.453362]  
[31142.453476] irq event stamp: 0
[31142.453618] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[31142.453808] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[31142.454064] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[31142.454318] softirqs last disabled at (0): [<0000000000000000>] 0x0
[31142.454499] ---[ end trace 4538707148c1e5cc ]---
[31142.454759] ------------[ cut here ]------------
[31142.454935] WARNING: CPU: 0 PID: 1983943 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[31142.455217] 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 xfs iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep intel_rapl_common snd_hda_core snd_pcm joydev snd_timer i2c_i801 i2c_smbus snd lpc_ich soundcore virtio_balloon zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[31142.456602] CPU: 0 PID: 1983943 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #528
[31142.456866] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[31142.457117] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[31142.457291] 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 5c 48 8b 05 58 b5 85 01 e8
[31142.457765] RSP: 0018:ffffb09346a8fcb0 EFLAGS: 00010202
[31142.457934] RAX: 000000000000000d RBX: ffff957893620800 RCX: 0000000000000000
[31142.458131] RDX: 0000000000000001 RSI: ffffffffa35b5d6a RDI: 00000000ffffffff
[31142.458324] RBP: 0000000000000000 R08: ffff9578e0cfae50 R09: 0000000000000000
[31142.458536] R10: ffff95788605a618 R11: ffff95788cded208 R12: ffff957894014a28
[31142.458740] R13: ffff957887452300 R14: ffff9578e0cfad68 R15: ffff9578e0cfae10
[31142.458939] FS:  00007f1b23125740(0000) GS:ffff9578fbc00000(0000) knlGS:0000000000000000
[31142.459192] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[31142.459363] CR2: 0000563436a1a014 CR3: 0000000160de4005 CR4: 0000000000370ef0
[31142.459572] Call Trace:
[31142.459693]  
[31142.459815]  ? __mutex_lock+0x80/0x8a0
[31142.459957]  ? __mutex_lock+0xda/0x8a0
[31142.460102]  ? lock_release+0x1d0/0x2d0
[31142.460249]  btrfs_run_delayed_refs+0x86/0x210
[31142.460399]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.460570]  btrfs_start_dirty_block_groups+0x2af/0x540
[31142.460743]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.460907]  btrfs_commit_transaction+0x85e/0xad0
[31142.461064]  ? btrfs_attach_transaction_barrier+0x1f/0x50
[31142.461231]  ? vfs_fsync_range+0x90/0x90
[31142.461374]  iterate_supers+0x85/0xf0
[31142.461529]  ksys_sync+0x50/0x80
[31142.461667]  __do_sys_sync+0xa/0x10
[31142.461809]  do_syscall_64+0x38/0x90
[31142.467674]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[31142.467851] RIP: 0033:0x7f1b2322007b
[31142.467997] Code: c3 66 0f 1f 44 00 00 48 8b 15 f1 ad 0c 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa b8 a2 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 ad 0c 00 f7 d8 64 89 01 48
[31142.468474] RSP: 002b:00007fff9be522a8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a2
[31142.468738] RAX: ffffffffffffffda RBX: 000000000007a120 RCX: 00007f1b2322007b
[31142.468942] RDX: 00000000ffffffff RSI: 00000000670717c5 RDI: 0000000000000206
[31142.469248] RBP: 028f5c28f5c28f5c R08: 000000000000001e R09: 00007f1b232eba00
[31142.469476] R10: 00007fff9be51d90 R11: 0000000000000206 R12: 0000000000000206
[31142.469774] R13: 8f5c28f5c28f5c29 R14: 0000000000403370 R15: 00007f1b231256c8
[31142.470065]  
[31142.470299] irq event stamp: 0
[31142.470534] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[31142.470867] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[31142.471219] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[31142.471586] softirqs last disabled at (0): [<0000000000000000>] 0x0
[31142.471804] ---[ end trace 4538707148c1e5cd ]---
[31142.472287] ------------[ cut here ]------------
[31142.472773] WARNING: CPU: 0 PID: 1983943 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[31142.473172] 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 xfs iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep intel_rapl_common snd_hda_core snd_pcm joydev snd_timer i2c_i801 i2c_smbus snd lpc_ich soundcore virtio_balloon zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[31142.474690] CPU: 0 PID: 1983943 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #528
[31142.476166] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[31142.476580] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[31142.476857] 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 5c 48 8b 05 58 b5 85 01 e8
[31142.477616] RSP: 0018:ffffb09346a8fcb0 EFLAGS: 00010202
[31142.477871] RAX: 000000000000000d RBX: ffff957893620800 RCX: 0000000000000000
[31142.478164] RDX: 0000000000000001 RSI: ffffffffa35b5d6a RDI: 00000000ffffffff
[31142.478460] RBP: 0000000000000000 R08: ffff95788605af88 R09: 0000000000000000
[31142.478792] R10: ffff9578e0cfad00 R11: ffff95788cded208 R12: ffff9578fab19270
[31142.479093] R13: ffff957887452300 R14: ffff95788605aea0 R15: ffff95788605af48
[31142.479393] FS:  00007f1b23125740(0000) GS:ffff9578fbc00000(0000) knlGS:0000000000000000
[31142.479810] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[31142.480074] CR2: 0000563436a1a014 CR3: 0000000160de4005 CR4: 0000000000370ef0
[31142.480372] Call Trace:
[31142.480573]  
[31142.480773]  ? __mutex_lock+0x80/0x8a0
[31142.480988]  ? __mutex_lock+0xda/0x8a0
[31142.481191]  ? lock_release+0x1d0/0x2d0
[31142.481342]  btrfs_run_delayed_refs+0x86/0x210
[31142.481499]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.481675]  btrfs_start_dirty_block_groups+0x2af/0x540
[31142.481856]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.482022]  btrfs_commit_transaction+0x85e/0xad0
[31142.482184]  ? btrfs_attach_transaction_barrier+0x1f/0x50
[31142.482357]  ? vfs_fsync_range+0x90/0x90
[31142.482524]  iterate_supers+0x85/0xf0
[31142.482673]  ksys_sync+0x50/0x80
[31142.482818]  __do_sys_sync+0xa/0x10
[31142.482960]  do_syscall_64+0x38/0x90
[31142.483107]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[31142.483279] RIP: 0033:0x7f1b2322007b
[31142.483424] Code: c3 66 0f 1f 44 00 00 48 8b 15 f1 ad 0c 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa b8 a2 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 ad 0c 00 f7 d8 64 89 01 48
[31142.483948] RSP: 002b:00007fff9be522a8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a2
[31142.484207] RAX: ffffffffffffffda RBX: 000000000007a120 RCX: 00007f1b2322007b
[31142.484415] RDX: 00000000ffffffff RSI: 00000000670717c5 RDI: 0000000000000206
[31142.484638] RBP: 028f5c28f5c28f5c R08: 000000000000001e R09: 00007f1b232eba00
[31142.484855] R10: 00007fff9be51d90 R11: 0000000000000206 R12: 0000000000000206
[31142.485064] R13: 8f5c28f5c28f5c29 R14: 0000000000403370 R15: 00007f1b231256c8
[31142.485283]  
[31142.485408] irq event stamp: 0
[31142.485555] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[31142.485757] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[31142.486031] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[31142.486296] softirqs last disabled at (0): [<0000000000000000>] 0x0
[31142.486491] ---[ end trace 4538707148c1e5ce ]---
[31142.486750] ------------[ cut here ]------------
[31142.486920] WARNING: CPU: 0 PID: 1983943 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[31142.487211] 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 xfs iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep intel_rapl_common snd_hda_core snd_pcm joydev snd_timer i2c_i801 i2c_smbus snd lpc_ich soundcore virtio_balloon zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[31142.488707] CPU: 0 PID: 1983943 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #528
[31142.488985] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[31142.489263] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[31142.489447] 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 5c 48 8b 05 58 b5 85 01 e8
[31142.489956] RSP: 0018:ffffb09346a8fcb0 EFLAGS: 00010202
[31142.490135] RAX: 000000000000000d RBX: ffff957893620800 RCX: 0000000000000000
[31142.490347] RDX: 0000000000000001 RSI: ffffffffa35b5d6a RDI: 00000000ffffffff
[31142.490562] RBP: ffff9578bb1f4400 R08: ffff9578d3b51f98 R09: 0000000000000000
[31142.490776] R10: ffff95788605aea0 R11: ffff95788cded208 R12: ffff957894014000
[31142.490985] R13: ffff957887452300 R14: ffff9578d3b51ea0 R15: ffff9578d3b51f48
[31142.491192] FS:  00007f1b23125740(0000) GS:ffff9578fbc00000(0000) knlGS:0000000000000000
[31142.491452] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[31142.491654] CR2: 0000563436a1a014 CR3: 0000000160de4005 CR4: 0000000000370ef0
[31142.491873] Call Trace:
[31142.492001]  
[31142.492123]  ? __mutex_lock+0x80/0x8a0
[31142.492277]  ? __mutex_lock+0xda/0x8a0
[31142.492427]  ? lock_release+0x1d0/0x2d0
[31142.492612]  btrfs_run_delayed_refs+0x86/0x210
[31142.492781]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.492947]  btrfs_start_dirty_block_groups+0x2af/0x540
[31142.493122]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.493307]  btrfs_commit_transaction+0x85e/0xad0
[31142.493474]  ? btrfs_attach_transaction_barrier+0x1f/0x50
[31142.493669]  ? vfs_fsync_range+0x90/0x90
[31142.493833]  iterate_supers+0x85/0xf0
[31142.493980]  ksys_sync+0x50/0x80
[31142.494124]  __do_sys_sync+0xa/0x10
[31142.494271]  do_syscall_64+0x38/0x90
[31142.494417]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[31142.494600] RIP: 0033:0x7f1b2322007b
[31142.494754] Code: c3 66 0f 1f 44 00 00 48 8b 15 f1 ad 0c 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa b8 a2 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 ad 0c 00 f7 d8 64 89 01 48
[31142.495241] RSP: 002b:00007fff9be522a8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a2
[31142.495495] RAX: ffffffffffffffda RBX: 000000000007a120 RCX: 00007f1b2322007b
[31142.495718] RDX: 00000000ffffffff RSI: 00000000670717c5 RDI: 0000000000000206
[31142.496106] RBP: 028f5c28f5c28f5c R08: 000000000000001e R09: 00007f1b232eba00
[31142.496539] R10: 00007fff9be51d90 R11: 0000000000000206 R12: 0000000000000206
[31142.496980] R13: 8f5c28f5c28f5c29 R14: 0000000000403370 R15: 00007f1b231256c8
[31142.497468]  
[31142.497648] irq event stamp: 0
[31142.497834] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[31142.498224] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[31142.498848] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[31142.499335] softirqs last disabled at (0): [<0000000000000000>] 0x0
[31142.499655] ---[ end trace 4538707148c1e5cf ]---
[31142.500118] ------------[ cut here ]------------
[31142.500466] WARNING: CPU: 0 PID: 1983943 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[31142.500788] 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 xfs iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep intel_rapl_common snd_hda_core snd_pcm joydev snd_timer i2c_i801 i2c_smbus snd lpc_ich soundcore virtio_balloon zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[31142.502284] CPU: 0 PID: 1983943 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #528
[31142.502579] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[31142.502853] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[31142.503037] 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 5c 48 8b 05 58 b5 85 01 e8
[31142.503555] RSP: 0018:ffffb09346a8fcb0 EFLAGS: 00010202
[31142.503822] RAX: 000000000000000d RBX: ffff957893620800 RCX: 0000000000000000
[31142.504107] RDX: 0000000000000001 RSI: ffffffffa35b5d6a RDI: 00000000ffffffff
[31142.504398] RBP: ffff9578bb1f4840 R08: ffff9578d3b51848 R09: 0000000000000000
[31142.504712] R10: ffff9578d3b51e00 R11: ffff95788cded208 R12: ffff957894014750
[31142.515061] R13: ffff957887452300 R14: ffff9578d3b51750 R15: ffff9578d3b517f8
[31142.515346] FS:  00007f1b23125740(0000) GS:ffff9578fbc00000(0000) knlGS:0000000000000000
[31142.515769] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[31142.516024] CR2: 0000563436a1a014 CR3: 0000000160de4005 CR4: 0000000000370ef0
[31142.516303] Call Trace:
[31142.516486]  
[31142.516682]  btrfs_run_delayed_refs+0x86/0x210
[31142.516914]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.517157]  btrfs_start_dirty_block_groups+0x2af/0x540
[31142.517414]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.517673]  btrfs_commit_transaction+0x85e/0xad0
[31142.517922]  ? btrfs_attach_transaction_barrier+0x1f/0x50
[31142.518176]  ? vfs_fsync_range+0x90/0x90
[31142.518389]  iterate_supers+0x85/0xf0
[31142.518633]  ksys_sync+0x50/0x80
[31142.518859]  __do_sys_sync+0xa/0x10
[31142.519059]  do_syscall_64+0x38/0x90
[31142.519270]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[31142.519551] RIP: 0033:0x7f1b2322007b
[31142.519772] Code: c3 66 0f 1f 44 00 00 48 8b 15 f1 ad 0c 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa b8 a2 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 ad 0c 00 f7 d8 64 89 01 48
[31142.520424] RSP: 002b:00007fff9be522a8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a2
[31142.520819] RAX: ffffffffffffffda RBX: 000000000007a120 RCX: 00007f1b2322007b
[31142.521108] RDX: 00000000ffffffff RSI: 00000000670717c5 RDI: 0000000000000206
[31142.521396] RBP: 028f5c28f5c28f5c R08: 000000000000001e R09: 00007f1b232eba00
[31142.521676] R10: 00007fff9be51d90 R11: 0000000000000206 R12: 0000000000000206
[31142.521976] R13: 8f5c28f5c28f5c29 R14: 0000000000403370 R15: 00007f1b231256c8
[31142.522248]  
[31142.522411] irq event stamp: 0
[31142.522610] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[31142.522879] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[31142.523241] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[31142.523692] softirqs last disabled at (0): [<0000000000000000>] 0x0
[31142.523974] ---[ end trace 4538707148c1e5d0 ]---
[31142.525336] ------------[ cut here ]------------
[31142.525612] WARNING: CPU: 0 PID: 1983943 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[31142.526063] 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 xfs iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep intel_rapl_common snd_hda_core snd_pcm joydev snd_timer i2c_i801 i2c_smbus snd lpc_ich soundcore virtio_balloon zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[31142.528154] CPU: 0 PID: 1983943 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #528
[31142.528568] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[31142.528956] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[31142.529218] 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 5c 48 8b 05 58 b5 85 01 e8
[31142.529917] RSP: 0018:ffffb09346a8fcb0 EFLAGS: 00010202
[31142.530172] RAX: 000000000000000d RBX: ffff957893620800 RCX: 0000000000000000
[31142.530461] RDX: 0000000000000001 RSI: ffffffffa35b5d6a RDI: 00000000ffffffff
[31142.530776] RBP: ffff9578bb1f4f60 R08: ffff9578d3b51710 R09: 0000000000000000
[31142.531071] R10: ffff9578d3b51700 R11: ffff95788cded208 R12: ffff9578940144e0
[31142.531376] R13: ffff957887452300 R14: ffff9578d3b51618 R15: ffff9578d3b516c0
[31142.531695] FS:  00007f1b23125740(0000) GS:ffff9578fbc00000(0000) knlGS:0000000000000000
[31142.532090] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[31142.532357] CR2: 00007efd305dcfc0 CR3: 0000000160de4005 CR4: 0000000000370ef0
[31142.532694] Call Trace:
[31142.532890]  
[31142.533074]  btrfs_run_delayed_refs+0x86/0x210
[31142.533313]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.533592]  btrfs_start_dirty_block_groups+0x2af/0x540
[31142.533858]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.534099]  btrfs_commit_transaction+0x85e/0xad0
[31142.534339]  ? btrfs_attach_transaction_barrier+0x1f/0x50
[31142.534635]  ? vfs_fsync_range+0x90/0x90
[31142.534883]  iterate_supers+0x85/0xf0
[31142.535090]  ksys_sync+0x50/0x80
[31142.535299]  __do_sys_sync+0xa/0x10
[31142.535575]  do_syscall_64+0x38/0x90
[31142.535811]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[31142.536050] RIP: 0033:0x7f1b2322007b
[31142.536253] Code: c3 66 0f 1f 44 00 00 48 8b 15 f1 ad 0c 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa b8 a2 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 ad 0c 00 f7 d8 64 89 01 48
[31142.537781] RSP: 002b:00007fff9be522a8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a2
[31142.538151] RAX: ffffffffffffffda RBX: 000000000007a120 RCX: 00007f1b2322007b
[31142.538454] RDX: 00000000ffffffff RSI: 00000000670717c5 RDI: 0000000000000206
[31142.538772] RBP: 028f5c28f5c28f5c R08: 000000000000001e R09: 00007f1b232eba00
[31142.539053] R10: 00007fff9be51d90 R11: 0000000000000206 R12: 0000000000000206
[31142.539373] R13: 8f5c28f5c28f5c29 R14: 0000000000403370 R15: 00007f1b231256c8
[31142.539698]  
[31142.539885] irq event stamp: 0
[31142.540085] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[31142.540370] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[31142.540812] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[31142.541211] softirqs last disabled at (0): [<0000000000000000>] 0x0
[31142.541479] ---[ end trace 4538707148c1e5d1 ]---
[31142.543619] ------------[ cut here ]------------
[31142.543935] WARNING: CPU: 0 PID: 1983943 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[31142.544353] 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 xfs iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep intel_rapl_common snd_hda_core snd_pcm joydev snd_timer i2c_i801 i2c_smbus snd lpc_ich soundcore virtio_balloon zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[31142.546663] CPU: 0 PID: 1983943 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #528
[31142.546952] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[31142.547353] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[31142.547596] 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 5c 48 8b 05 58 b5 85 01 e8
[31142.548184] RSP: 0000:ffffb09346a8fcb0 EFLAGS: 00010202
[31142.548360] RAX: 000000000000000d RBX: ffff957893620800 RCX: 0000000000000000
[31142.548576] RDX: 0000000000000001 RSI: ffffffffa35b5d6a RDI: 00000000ffffffff
[31142.548791] RBP: ffff9578bb1f4fe0 R08: ffff9578d3b51230 R09: 0000000000000000
[31142.548997] R10: ffff9578d3b51600 R11: ffff95788cded208 R12: ffff957894014548
[31142.549198] R13: ffff957887452300 R14: ffff9578d3b51138 R15: ffff9578d3b511e0
[31142.549407] FS:  00007f1b23125740(0000) GS:ffff9578fbc00000(0000) knlGS:0000000000000000
[31142.549685] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[31142.549878] CR2: 00007efd3007b768 CR3: 0000000160de4005 CR4: 0000000000370ef0
[31142.550085] Call Trace:
[31142.550213]  
[31142.550344]  btrfs_run_delayed_refs+0x86/0x210
[31142.550523]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.550707]  btrfs_start_dirty_block_groups+0x2af/0x540
[31142.550918]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.551087]  btrfs_commit_transaction+0x85e/0xad0
[31142.551252]  ? btrfs_attach_transaction_barrier+0x1f/0x50
[31142.551429]  ? vfs_fsync_range+0x90/0x90
[31142.551610]  iterate_supers+0x85/0xf0
[31142.551765]  ksys_sync+0x50/0x80
[31142.551901]  __do_sys_sync+0xa/0x10
[31142.552042]  do_syscall_64+0x38/0x90
[31142.552207]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[31142.552381] RIP: 0033:0x7f1b2322007b
[31142.552540] Code: c3 66 0f 1f 44 00 00 48 8b 15 f1 ad 0c 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa b8 a2 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 ad 0c 00 f7 d8 64 89 01 48
[31142.553039] RSP: 002b:00007fff9be522a8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a2
[31142.553302] RAX: ffffffffffffffda RBX: 000000000007a120 RCX: 00007f1b2322007b
[31142.553524] RDX: 00000000ffffffff RSI: 00000000670717c5 RDI: 0000000000000206
[31142.553742] RBP: 028f5c28f5c28f5c R08: 000000000000001e R09: 00007f1b232eba00
[31142.553952] R10: 00007fff9be51d90 R11: 0000000000000206 R12: 0000000000000206
[31142.554168] R13: 8f5c28f5c28f5c29 R14: 0000000000403370 R15: 00007f1b231256c8
[31142.554388]  
[31142.554527] irq event stamp: 0
[31142.554667] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[31142.554870] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[31142.555150] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[31142.555416] softirqs last disabled at (0): [<0000000000000000>] 0x0
[31142.555629] ---[ end trace 4538707148c1e5d2 ]---
[31142.557876] ------------[ cut here ]------------
[31142.558054] WARNING: CPU: 0 PID: 1983943 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[31142.558340] 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 xfs iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep intel_rapl_common snd_hda_core snd_pcm joydev snd_timer i2c_i801 i2c_smbus snd lpc_ich soundcore virtio_balloon zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[31142.559816] CPU: 0 PID: 1983943 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #528
[31142.566073] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[31142.566336] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[31142.566528] 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 5c 48 8b 05 58 b5 85 01 e8
[31142.568107] RSP: 0018:ffffb09346a8fcb0 EFLAGS: 00010202
[31142.568353] RAX: 000000000000000d RBX: ffff957893620800 RCX: 0000000000000000
[31142.568675] RDX: 0000000000000001 RSI: ffffffffa35b5d6a RDI: 00000000ffffffff
[31142.568986] RBP: ffff9578bb1f4000 R08: ffff9578d3b51bf0 R09: 0000000000000000
[31142.569293] R10: ffff9578d3b51100 R11: ffff95788cded208 R12: ffff957894014e38
[31142.569629] R13: ffff957887452300 R14: ffff9578d3b51af8 R15: ffff9578d3b51ba0
[31142.569931] FS:  00007f1b23125740(0000) GS:ffff9578fbc00000(0000) knlGS:0000000000000000
[31142.570339] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[31142.570654] CR2: 00007efd30637410 CR3: 0000000160de4005 CR4: 0000000000370ef0
[31142.570967] Call Trace:
[31142.571156]  
[31142.571368]  btrfs_run_delayed_refs+0x86/0x210
[31142.571668]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.571936]  btrfs_start_dirty_block_groups+0x2af/0x540
[31142.572195]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.572442]  btrfs_commit_transaction+0x85e/0xad0
[31142.572692]  ? btrfs_attach_transaction_barrier+0x1f/0x50
[31142.572950]  ? vfs_fsync_range+0x90/0x90
[31142.573175]  iterate_supers+0x85/0xf0
[31142.573332]  ksys_sync+0x50/0x80
[31142.573468]  __do_sys_sync+0xa/0x10
[31142.573617]  do_syscall_64+0x38/0x90
[31142.573768]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[31142.573932] RIP: 0033:0x7f1b2322007b
[31142.574095] Code: c3 66 0f 1f 44 00 00 48 8b 15 f1 ad 0c 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa b8 a2 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 ad 0c 00 f7 d8 64 89 01 48
[31142.574589] RSP: 002b:00007fff9be522a8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a2
[31142.574849] RAX: ffffffffffffffda RBX: 000000000007a120 RCX: 00007f1b2322007b
[31142.575053] RDX: 00000000ffffffff RSI: 00000000670717c5 RDI: 0000000000000206
[31142.575262] RBP: 028f5c28f5c28f5c R08: 000000000000001e R09: 00007f1b232eba00
[31142.575474] R10: 00007fff9be51d90 R11: 0000000000000206 R12: 0000000000000206
[31142.575694] R13: 8f5c28f5c28f5c29 R14: 0000000000403370 R15: 00007f1b231256c8
[31142.575926]  
[31142.576042] irq event stamp: 0
[31142.576171] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[31142.576381] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[31142.576662] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[31142.576928] softirqs last disabled at (0): [<0000000000000000>] 0x0
[31142.577123] ---[ end trace 4538707148c1e5d3 ]---
[31142.578660] ------------[ cut here ]------------
[31142.579243] WARNING: CPU: 0 PID: 1983943 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[31142.579739] 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 xfs iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep intel_rapl_common snd_hda_core snd_pcm joydev snd_timer i2c_i801 i2c_smbus snd lpc_ich soundcore virtio_balloon zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[31142.581820] CPU: 0 PID: 1983943 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #528
[31142.582147] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[31142.582402] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[31142.582634] 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 5c 48 8b 05 58 b5 85 01 e8
[31142.583132] RSP: 0000:ffffb09346a8fcb0 EFLAGS: 00010202
[31142.583323] RAX: 000000000000000d RBX: ffff957893620800 RCX: 0000000000000000
[31142.583535] RDX: 0000000000000001 RSI: ffffffffa35b5d6a RDI: 00000000ffffffff
[31142.583740] RBP: ffff9578bb1f4dc0 R08: ffff9578e0cfa5d8 R09: 0000000000000000
[31142.583940] R10: ffff9578d3b51a00 R11: ffff95788cded208 R12: ffff957894014bc8
[31142.584138] R13: ffff957887452300 R14: ffff9578e0cfa4e0 R15: ffff9578e0cfa588
[31142.584337] FS:  00007f1b23125740(0000) GS:ffff9578fbc00000(0000) knlGS:0000000000000000
[31142.584623] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[31142.584803] CR2: 00007efd306cbf58 CR3: 0000000160de4005 CR4: 0000000000370ef0
[31142.584998] Call Trace:
[31142.585118]  
[31142.585238]  btrfs_run_delayed_refs+0x86/0x210
[31142.585397]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.585567]  btrfs_start_dirty_block_groups+0x2af/0x540
[31142.585737]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.585898]  btrfs_commit_transaction+0x85e/0xad0
[31142.586057]  ? btrfs_attach_transaction_barrier+0x1f/0x50
[31142.586229]  ? vfs_fsync_range+0x90/0x90
[31142.586375]  iterate_supers+0x85/0xf0
[31142.586530]  ksys_sync+0x50/0x80
[31142.586668]  __do_sys_sync+0xa/0x10
[31142.586807]  do_syscall_64+0x38/0x90
[31142.586945]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[31142.587112] RIP: 0033:0x7f1b2322007b
[31142.587254] Code: c3 66 0f 1f 44 00 00 48 8b 15 f1 ad 0c 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa b8 a2 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 ad 0c 00 f7 d8 64 89 01 48
[31142.587772] RSP: 002b:00007fff9be522a8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a2
[31142.588013] RAX: ffffffffffffffda RBX: 000000000007a120 RCX: 00007f1b2322007b
[31142.588205] RDX: 00000000ffffffff RSI: 00000000670717c5 RDI: 0000000000000206
[31142.588398] RBP: 028f5c28f5c28f5c R08: 000000000000001e R09: 00007f1b232eba00
[31142.588604] R10: 00007fff9be51d90 R11: 0000000000000206 R12: 0000000000000206
[31142.588805] R13: 8f5c28f5c28f5c29 R14: 0000000000403370 R15: 00007f1b231256c8
[31142.589000]  
[31142.589114] irq event stamp: 0
[31142.589244] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[31142.589423] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[31142.589684] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[31142.589943] softirqs last disabled at (0): [<0000000000000000>] 0x0
[31142.590123] ---[ end trace 4538707148c1e5d4 ]---
[31142.591767] ------------[ cut here ]------------
[31142.591962] WARNING: CPU: 0 PID: 1983943 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[31142.592272] 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 xfs iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep intel_rapl_common snd_hda_core snd_pcm joydev snd_timer i2c_i801 i2c_smbus snd lpc_ich soundcore virtio_balloon zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[31142.593736] CPU: 0 PID: 1983943 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #528
[31142.594029] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[31142.594290] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[31142.594458] 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 5c 48 8b 05 58 b5 85 01 e8
[31142.594980] RSP: 0018:ffffb09346a8fcb0 EFLAGS: 00010202
[31142.595158] RAX: 000000000000000d RBX: ffff957893620800 RCX: 0000000000000000
[31142.595417] RDX: 0000000000000001 RSI: ffffffffa35b5d6a RDI: 00000000ffffffff
[31142.595626] RBP: ffff9578bb1f45e0 R08: ffff9578e0cfa710 R09: 0000000000000000
[31142.595830] R10: ffff9578e0cfa400 R11: ffff95788cded208 R12: ffff9578940145b0
[31142.596025] R13: ffff957887452300 R14: ffff9578e0cfa618 R15: ffff9578e0cfa6c0
[31142.596218] FS:  00007f1b23125740(0000) GS:ffff9578fbc00000(0000) knlGS:0000000000000000
[31142.596465] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[31142.596649] CR2: 000055ed4de82000 CR3: 0000000160de4005 CR4: 0000000000370ef0
[31142.596853] Call Trace:
[31142.596975]  
[31142.597092]  btrfs_run_delayed_refs+0x86/0x210
[31142.597247]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.597409]  btrfs_start_dirty_block_groups+0x2af/0x540
[31142.597585]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.598759]  btrfs_commit_transaction+0x85e/0xad0
[31142.598994]  ? btrfs_attach_transaction_barrier+0x1f/0x50
[31142.599249]  ? vfs_fsync_range+0x90/0x90
[31142.599469]  iterate_supers+0x85/0xf0
[31142.599698]  ksys_sync+0x50/0x80
[31142.599909]  __do_sys_sync+0xa/0x10
[31142.600116]  do_syscall_64+0x38/0x90
[31142.600322]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[31142.600574] RIP: 0033:0x7f1b2322007b
[31142.600790] Code: c3 66 0f 1f 44 00 00 48 8b 15 f1 ad 0c 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa b8 a2 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 ad 0c 00 f7 d8 64 89 01 48
[31142.601528] RSP: 002b:00007fff9be522a8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a2
[31142.601919] RAX: ffffffffffffffda RBX: 000000000007a120 RCX: 00007f1b2322007b
[31142.602243] RDX: 00000000ffffffff RSI: 00000000670717c5 RDI: 0000000000000206
[31142.602567] RBP: 028f5c28f5c28f5c R08: 000000000000001e R09: 00007f1b232eba00
[31142.602912] R10: 00007fff9be51d90 R11: 0000000000000206 R12: 0000000000000206
[31142.603132] R13: 8f5c28f5c28f5c29 R14: 0000000000403370 R15: 00007f1b231256c8
[31142.603329]  
[31142.603441] irq event stamp: 0
[31142.603583] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[31142.603795] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[31142.604231] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[31142.604616] softirqs last disabled at (0): [<0000000000000000>] 0x0
[31142.604927] ---[ end trace 4538707148c1e5d5 ]---
[31142.607234] ------------[ cut here ]------------
[31142.615966] WARNING: CPU: 0 PID: 1983943 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[31142.616380] 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 xfs iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep intel_rapl_common snd_hda_core snd_pcm joydev snd_timer i2c_i801 i2c_smbus snd lpc_ich soundcore virtio_balloon zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[31142.618360] CPU: 0 PID: 1983943 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #528
[31142.618742] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[31142.619113] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[31142.619358] 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 5c 48 8b 05 58 b5 85 01 e8
[31142.620040] RSP: 0018:ffffb09346a8fcb0 EFLAGS: 00010202
[31142.620275] RAX: 000000000000000d RBX: ffff957893620800 RCX: 0000000000000000
[31142.620574] RDX: 0000000000000001 RSI: ffffffffa35b5d6a RDI: 00000000ffffffff
[31142.620864] RBP: ffff9578bb1f4e40 R08: ffff9578e0cfa980 R09: 0000000000000000
[31142.621146] R10: ffff9578e0cfa600 R11: ffff95788cded208 R12: ffff957894014888
[31142.621382] R13: ffff957887452300 R14: ffff9578e0cfa888 R15: ffff9578e0cfa930
[31142.621679] FS:  00007f1b23125740(0000) GS:ffff9578fbc00000(0000) knlGS:0000000000000000
[31142.622046] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[31142.622297] CR2: 00005561579d58a8 CR3: 0000000160de4001 CR4: 0000000000370ef0
[31142.622596] Call Trace:
[31142.622779]  
[31142.622952]  btrfs_run_delayed_refs+0x86/0x210
[31142.623179]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.623402]  btrfs_start_dirty_block_groups+0x2af/0x540
[31142.623655]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.623892]  btrfs_commit_transaction+0x85e/0xad0
[31142.624116]  ? btrfs_attach_transaction_barrier+0x1f/0x50
[31142.624365]  ? vfs_fsync_range+0x90/0x90
[31142.624536]  iterate_supers+0x85/0xf0
[31142.624717]  ksys_sync+0x50/0x80
[31142.624916]  __do_sys_sync+0xa/0x10
[31142.625115]  do_syscall_64+0x38/0x90
[31142.625310]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[31142.625566] RIP: 0033:0x7f1b2322007b
[31142.625775] Code: c3 66 0f 1f 44 00 00 48 8b 15 f1 ad 0c 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa b8 a2 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 ad 0c 00 f7 d8 64 89 01 48
[31142.626425] RSP: 002b:00007fff9be522a8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a2
[31142.626783] RAX: ffffffffffffffda RBX: 000000000007a120 RCX: 00007f1b2322007b
[31142.627066] RDX: 00000000ffffffff RSI: 00000000670717c5 RDI: 0000000000000206
[31142.627337] RBP: 028f5c28f5c28f5c R08: 000000000000001e R09: 00007f1b232eba00
[31142.627632] R10: 00007fff9be51d90 R11: 0000000000000206 R12: 0000000000000206
[31142.627847] R13: 8f5c28f5c28f5c29 R14: 0000000000403370 R15: 00007f1b231256c8
[31142.628151]  
[31142.628345] irq event stamp: 0
[31142.628558] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[31142.629467] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[31142.629878] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[31142.630265] softirqs last disabled at (0): [<0000000000000000>] 0x0
[31142.630558] ---[ end trace 4538707148c1e5d6 ]---
[31142.630847] ------------[ cut here ]------------
[31142.631059] WARNING: CPU: 0 PID: 1983943 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[31142.631487] 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 xfs iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep intel_rapl_common snd_hda_core snd_pcm joydev snd_timer i2c_i801 i2c_smbus snd lpc_ich soundcore virtio_balloon zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[31142.633633] CPU: 0 PID: 1983943 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #528
[31142.634033] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[31142.634363] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[31142.634656] 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 5c 48 8b 05 58 b5 85 01 e8
[31142.635333] RSP: 0018:ffffb09346a8fcb0 EFLAGS: 00010202
[31142.635611] RAX: 000000000000000d RBX: ffff957893620800 RCX: 0000000000000000
[31142.635905] RDX: 0000000000000001 RSI: ffffffffa35b5d6a RDI: 00000000ffffffff
[31142.636190] RBP: ffff9578bb1f4520 R08: ffff9578e0cfa0f8 R09: 0000000000000000
[31142.636486] R10: ffff9578e0cfa800 R11: ffff95788cded208 R12: ffff957894014270
[31142.636820] R13: ffff957887452300 R14: ffff9578e0cfa000 R15: ffff9578e0cfa0a8
[31142.637104] FS:  00007f1b23125740(0000) GS:ffff9578fbc00000(0000) knlGS:0000000000000000
[31142.637449] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[31142.637720] CR2: 00005561579d58a8 CR3: 0000000160de4001 CR4: 0000000000370ef0
[31142.638038] Call Trace:
[31142.638224]  
[31142.638403]  btrfs_run_delayed_refs+0x86/0x210
[31142.638655]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.638903]  btrfs_start_dirty_block_groups+0x2af/0x540
[31142.639142]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.639306]  btrfs_commit_transaction+0x85e/0xad0
[31142.639471]  ? btrfs_attach_transaction_barrier+0x1f/0x50
[31142.639690]  ? vfs_fsync_range+0x90/0x90
[31142.639852]  iterate_supers+0x85/0xf0
[31142.639994]  ksys_sync+0x50/0x80
[31142.640132]  __do_sys_sync+0xa/0x10
[31142.640273]  do_syscall_64+0x38/0x90
[31142.640418]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[31142.640598] RIP: 0033:0x7f1b2322007b
[31142.640752] Code: c3 66 0f 1f 44 00 00 48 8b 15 f1 ad 0c 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa b8 a2 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 ad 0c 00 f7 d8 64 89 01 48
[31142.641240] RSP: 002b:00007fff9be522a8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a2
[31142.641507] RAX: ffffffffffffffda RBX: 000000000007a120 RCX: 00007f1b2322007b
[31142.641736] RDX: 00000000ffffffff RSI: 00000000670717c5 RDI: 0000000000000206
[31142.641967] RBP: 028f5c28f5c28f5c R08: 000000000000001e R09: 00007f1b232eba00
[31142.642463] R10: 00007fff9be51d90 R11: 0000000000000206 R12: 0000000000000206
[31142.642804] R13: 8f5c28f5c28f5c29 R14: 0000000000403370 R15: 00007f1b231256c8
[31142.643235]  
[31142.643447] irq event stamp: 0
[31142.643721] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[31142.643957] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[31142.644349] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[31142.644726] softirqs last disabled at (0): [<0000000000000000>] 0x0
[31142.645058] ---[ end trace 4538707148c1e5d7 ]---
[31142.645328] ------------[ cut here ]------------
[31142.645530] WARNING: CPU: 0 PID: 1983943 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[31142.646056] 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 xfs iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep intel_rapl_common snd_hda_core snd_pcm joydev snd_timer i2c_i801 i2c_smbus snd lpc_ich soundcore virtio_balloon zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[31142.648358] CPU: 0 PID: 1983943 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #528
[31142.648777] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[31142.649172] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[31142.649437] 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 5c 48 8b 05 58 b5 85 01 e8
[31142.650169] RSP: 0018:ffffb09346a8fcb0 EFLAGS: 00010202
[31142.650440] RAX: 000000000000000d RBX: ffff957893620800 RCX: 0000000000000000
[31142.650752] RDX: 0000000000000001 RSI: ffffffffa35b5d6a RDI: 00000000ffffffff
[31142.651051] RBP: ffff9578bb1f43c0 R08: ffff9578e0cfa4a0 R09: 0000000000000000
[31142.651345] R10: ffff9578e0cfa000 R11: ffff95788cded208 R12: ffff9577864cd3a8
[31142.651670] R13: ffff957887452300 R14: ffff9578e0cfa3a8 R15: ffff9578e0cfa450
[31142.651992] FS:  00007f1b23125740(0000) GS:ffff9578fbc00000(0000) knlGS:0000000000000000
[31142.652387] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[31142.652702] CR2: 00005561579d58a8 CR3: 0000000160de4001 CR4: 0000000000370ef0
[31142.653008] Call Trace:
[31142.653190]  
[31142.653376]  btrfs_run_delayed_refs+0x86/0x210
[31142.653637]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.653881]  btrfs_start_dirty_block_groups+0x2af/0x540
[31142.654131]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.654368]  btrfs_commit_transaction+0x85e/0xad0
[31142.654638]  ? btrfs_attach_transaction_barrier+0x1f/0x50
[31142.654899]  ? vfs_fsync_range+0x90/0x90
[31142.655121]  iterate_supers+0x85/0xf0
[31142.655341]  ksys_sync+0x50/0x80
[31142.655579]  __do_sys_sync+0xa/0x10
[31142.655785]  do_syscall_64+0x38/0x90
[31142.655998]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[31142.656244] RIP: 0033:0x7f1b2322007b
[31142.656451] Code: c3 66 0f 1f 44 00 00 48 8b 15 f1 ad 0c 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa b8 a2 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 ad 0c 00 f7 d8 64 89 01 48
[31142.657188] RSP: 002b:00007fff9be522a8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a2
[31142.657578] RAX: ffffffffffffffda RBX: 000000000007a120 RCX: 00007f1b2322007b
[31142.657878] RDX: 00000000ffffffff RSI: 00000000670717c5 RDI: 0000000000000206
[31142.658175] RBP: 028f5c28f5c28f5c R08: 000000000000001e R09: 00007f1b232eba00
[31142.667902] R10: 00007fff9be51d90 R11: 0000000000000206 R12: 0000000000000206
[31142.668201] R13: 8f5c28f5c28f5c29 R14: 0000000000403370 R15: 00007f1b231256c8
[31142.668500]  
[31142.668685] irq event stamp: 0
[31142.668882] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[31142.669156] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[31142.669553] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[31142.669933] softirqs last disabled at (0): [<0000000000000000>] 0x0
[31142.670206] ---[ end trace 4538707148c1e5d8 ]---
[31142.670573] ------------[ cut here ]------------
[31142.670811] WARNING: CPU: 0 PID: 1983943 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[31142.671234] 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 xfs iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep intel_rapl_common snd_hda_core snd_pcm joydev snd_timer i2c_i801 i2c_smbus snd lpc_ich soundcore virtio_balloon zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[31142.673345] CPU: 0 PID: 1983943 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #528
[31142.673749] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[31142.674136] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[31142.674399] 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 5c 48 8b 05 58 b5 85 01 e8
[31142.675114] RSP: 0018:ffffb09346a8fcb0 EFLAGS: 00010202
[31142.675361] RAX: 000000000000000d RBX: ffff957893620800 RCX: 0000000000000000
[31142.675663] RDX: 0000000000000001 RSI: ffffffffa35b5d6a RDI: 00000000ffffffff
[31142.675958] RBP: ffff9578bb1f42c0 R08: ffff9578e0cfaf98 R09: 0000000000000000
[31142.676251] R10: ffff9578e0cfa300 R11: ffff95788cded208 R12: ffff9578fab19340
[31142.676561] R13: ffff957887452300 R14: ffff9578e0cfaea0 R15: ffff9578e0cfaf48
[31142.676860] FS:  00007f1b23125740(0000) GS:ffff9578fbc00000(0000) knlGS:0000000000000000
[31142.677241] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[31142.677496] CR2: 00005561579d58a8 CR3: 0000000160de4001 CR4: 0000000000370ef0
[31142.677804] Call Trace:
[31142.677983]  
[31142.678163]  btrfs_run_delayed_refs+0x86/0x210
[31142.678388]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.678637]  btrfs_start_dirty_block_groups+0x2af/0x540
[31142.678894]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.679133]  btrfs_commit_transaction+0x85e/0xad0
[31142.679366]  ? btrfs_attach_transaction_barrier+0x1f/0x50
[31142.679629]  ? vfs_fsync_range+0x90/0x90
[31142.679852]  iterate_supers+0x85/0xf0
[31142.680064]  ksys_sync+0x50/0x80
[31142.680263]  __do_sys_sync+0xa/0x10
[31142.680470]  do_syscall_64+0x38/0x90
[31142.680694]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[31142.680941] RIP: 0033:0x7f1b2322007b
[31142.681147] Code: c3 66 0f 1f 44 00 00 48 8b 15 f1 ad 0c 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa b8 a2 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 ad 0c 00 f7 d8 64 89 01 48
[31142.681859] RSP: 002b:00007fff9be522a8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a2
[31142.682225] RAX: ffffffffffffffda RBX: 000000000007a120 RCX: 00007f1b2322007b
[31142.682528] RDX: 00000000ffffffff RSI: 00000000670717c5 RDI: 0000000000000206
[31142.682825] RBP: 028f5c28f5c28f5c R08: 000000000000001e R09: 00007f1b232eba00
[31142.683115] R10: 00007fff9be51d90 R11: 0000000000000206 R12: 0000000000000206
[31142.683407] R13: 8f5c28f5c28f5c29 R14: 0000000000403370 R15: 00007f1b231256c8
[31142.683723]  
[31142.683904] irq event stamp: 0
[31142.684096] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[31142.684368] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[31142.684766] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[31142.685018] softirqs last disabled at (0): [<0000000000000000>] 0x0
[31142.685223] ---[ end trace 4538707148c1e5d9 ]---
[31142.685454] ------------[ cut here ]------------
[31142.685642] WARNING: CPU: 0 PID: 1983943 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[31142.685930] 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 xfs iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep intel_rapl_common snd_hda_core snd_pcm joydev snd_timer i2c_i801 i2c_smbus snd lpc_ich soundcore virtio_balloon zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[31142.687785] CPU: 0 PID: 1983943 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #528
[31142.688050] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[31142.688393] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[31142.688644] 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 5c 48 8b 05 58 b5 85 01 e8
[31142.690123] RSP: 0018:ffffb09346a8fcb0 EFLAGS: 00010202
[31142.690370] RAX: 000000000000000d RBX: ffff957893620800 RCX: 0000000000000000
[31142.690651] RDX: 0000000000000001 RSI: ffffffffa35b5d6a RDI: 00000000ffffffff
[31142.690953] RBP: ffff9578bb1f47c0 R08: ffff9578e0cfabf0 R09: 0000000000000000
[31142.691228] R10: ffff9578e0cfae00 R11: ffff95788cded208 R12: ffff9578fab19ea0
[31142.691537] R13: ffff957887452300 R14: ffff9578e0cfaaf8 R15: ffff9578e0cfaba0
[31142.691810] FS:  00007f1b23125740(0000) GS:ffff9578fbc00000(0000) knlGS:0000000000000000
[31142.692161] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[31142.692410] CR2: 00005561579d58a8 CR3: 0000000160de4001 CR4: 0000000000370ef0
[31142.692696] Call Trace:
[31142.692870]  
[31142.693039]  btrfs_run_delayed_refs+0x86/0x210
[31142.693240]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.693456]  btrfs_start_dirty_block_groups+0x2af/0x540
[31142.693698]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.693929]  btrfs_commit_transaction+0x85e/0xad0
[31142.694147]  ? btrfs_attach_transaction_barrier+0x1f/0x50
[31142.694374]  ? vfs_fsync_range+0x90/0x90
[31142.694565]  iterate_supers+0x85/0xf0
[31142.694774]  ksys_sync+0x50/0x80
[31142.694965]  __do_sys_sync+0xa/0x10
[31142.695167]  do_syscall_64+0x38/0x90
[31142.695356]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[31142.695597] RIP: 0033:0x7f1b2322007b
[31142.695800] Code: c3 66 0f 1f 44 00 00 48 8b 15 f1 ad 0c 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa b8 a2 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 ad 0c 00 f7 d8 64 89 01 48
[31142.696430] RSP: 002b:00007fff9be522a8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a2
[31142.696779] RAX: ffffffffffffffda RBX: 000000000007a120 RCX: 00007f1b2322007b
[31142.697033] RDX: 00000000ffffffff RSI: 00000000670717c5 RDI: 0000000000000206
[31142.697303] RBP: 028f5c28f5c28f5c R08: 000000000000001e R09: 00007f1b232eba00
[31142.697584] R10: 00007fff9be51d90 R11: 0000000000000206 R12: 0000000000000206
[31142.697856] R13: 8f5c28f5c28f5c29 R14: 0000000000403370 R15: 00007f1b231256c8
[31142.698133]  
[31142.698294] irq event stamp: 0
[31142.698475] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[31142.698754] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[31142.699107] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[31142.699457] softirqs last disabled at (0): [<0000000000000000>] 0x0
[31142.699713] ---[ end trace 4538707148c1e5da ]---
[31142.700041] ------------[ cut here ]------------
[31142.700265] WARNING: CPU: 0 PID: 1983943 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[31142.700684] 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 xfs iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep intel_rapl_common snd_hda_core snd_pcm joydev snd_timer i2c_i801 i2c_smbus snd lpc_ich soundcore virtio_balloon zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[31142.702695] CPU: 0 PID: 1983943 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #528
[31142.703058] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[31142.703436] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[31142.703692] 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 5c 48 8b 05 58 b5 85 01 e8
[31142.704341] RSP: 0018:ffffb09346a8fcb0 EFLAGS: 00010202
[31142.704588] RAX: 000000000000000d RBX: ffff957893620800 RCX: 0000000000000000
[31142.704866] RDX: 0000000000000001 RSI: ffffffffa35b5d6a RDI: 00000000ffffffff
[31142.705146] RBP: ffff9578bb1f4500 R08: ffff9578cc0f2230 R09: 0000000000000000
[31142.705422] R10: ffff9578e0cfaa00 R11: ffff95788cded208 R12: ffff9578fab19f08
[31142.705771] R13: ffff957887452300 R14: ffff9578cc0f2138 R15: ffff9578cc0f21e0
[31142.706038] FS:  00007f1b23125740(0000) GS:ffff9578fbc00000(0000) knlGS:0000000000000000
[31142.706390] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[31142.706654] CR2: 00005561579d58a8 CR3: 0000000160de4001 CR4: 0000000000370ef0
[31142.706937] Call Trace:
[31142.707112]  
[31142.707279]  btrfs_run_delayed_refs+0x86/0x210
[31142.707502]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.707789]  btrfs_start_dirty_block_groups+0x2af/0x540
[31142.708022]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.708245]  btrfs_commit_transaction+0x85e/0xad0
[31142.708469]  ? btrfs_attach_transaction_barrier+0x1f/0x50
[31142.708735]  ? vfs_fsync_range+0x90/0x90
[31142.708943]  iterate_supers+0x85/0xf0
[31142.709142]  ksys_sync+0x50/0x80
[31142.716539]  __do_sys_sync+0xa/0x10
[31142.716681]  do_syscall_64+0x38/0x90
[31142.716831]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[31142.716995] RIP: 0033:0x7f1b2322007b
[31142.717131] Code: c3 66 0f 1f 44 00 00 48 8b 15 f1 ad 0c 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa b8 a2 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 ad 0c 00 f7 d8 64 89 01 48
[31142.717596] RSP: 002b:00007fff9be522a8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a2
[31142.717850] RAX: ffffffffffffffda RBX: 000000000007a120 RCX: 00007f1b2322007b
[31142.718043] RDX: 00000000ffffffff RSI: 00000000670717c5 RDI: 0000000000000206
[31142.718237] RBP: 028f5c28f5c28f5c R08: 000000000000001e R09: 00007f1b232eba00
[31142.718431] R10: 00007fff9be51d90 R11: 0000000000000206 R12: 0000000000000206
[31142.718637] R13: 8f5c28f5c28f5c29 R14: 0000000000403370 R15: 00007f1b231256c8
[31142.719592]  
[31142.719721] irq event stamp: 0
[31142.719869] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[31142.720058] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[31142.720319] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[31142.720600] softirqs last disabled at (0): [<0000000000000000>] 0x0
[31142.720797] ---[ end trace 4538707148c1e5db ]---
[31142.721043] ------------[ cut here ]------------
[31142.721210] WARNING: CPU: 0 PID: 1983943 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[31142.721502] 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 xfs iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep intel_rapl_common snd_hda_core snd_pcm joydev snd_timer i2c_i801 i2c_smbus snd lpc_ich soundcore virtio_balloon zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[31142.723024] CPU: 0 PID: 1983943 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #528
[31142.723277] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[31142.723547] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[31142.723722] 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 5c 48 8b 05 58 b5 85 01 e8
[31142.724231] RSP: 0018:ffffb09346a8fcb0 EFLAGS: 00010202
[31142.724407] RAX: 000000000000000d RBX: ffff957893620800 RCX: 0000000000000000
[31142.724642] RDX: 0000000000000001 RSI: ffffffffa35b5d6a RDI: 00000000ffffffff
[31142.724853] RBP: ffff9578bb1f4180 R08: ffff9578cc0f2bf0 R09: 0000000000000000
[31142.725053] R10: ffff9578cc0f2100 R11: ffff95788cded208 R12: ffff9578fab19d00
[31142.725287] R13: ffff957887452300 R14: ffff9578cc0f2af8 R15: ffff9578cc0f2ba0
[31142.725541] FS:  00007f1b23125740(0000) GS:ffff9578fbc00000(0000) knlGS:0000000000000000
[31142.725815] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[31142.725990] CR2: 00005561579d58a8 CR3: 0000000160de4001 CR4: 0000000000370ef0
[31142.726191] Call Trace:
[31142.726312]  
[31142.726428]  btrfs_run_delayed_refs+0x86/0x210
[31142.726596]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.726766]  btrfs_start_dirty_block_groups+0x2af/0x540
[31142.727387]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.727655]  btrfs_commit_transaction+0x85e/0xad0
[31142.728115]  ? btrfs_attach_transaction_barrier+0x1f/0x50
[31142.728501]  ? vfs_fsync_range+0x90/0x90
[31142.728820]  iterate_supers+0x85/0xf0
[31142.729125]  ksys_sync+0x50/0x80
[31142.729449]  __do_sys_sync+0xa/0x10
[31142.729723]  do_syscall_64+0x38/0x90
[31142.730025]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[31142.730387] RIP: 0033:0x7f1b2322007b
[31142.730631] Code: c3 66 0f 1f 44 00 00 48 8b 15 f1 ad 0c 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa b8 a2 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 ad 0c 00 f7 d8 64 89 01 48
[31142.731341] RSP: 002b:00007fff9be522a8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a2
[31142.731718] RAX: ffffffffffffffda RBX: 000000000007a120 RCX: 00007f1b2322007b
[31142.731976] RDX: 00000000ffffffff RSI: 00000000670717c5 RDI: 0000000000000206
[31142.732257] RBP: 028f5c28f5c28f5c R08: 000000000000001e R09: 00007f1b232eba00
[31142.732545] R10: 00007fff9be51d90 R11: 0000000000000206 R12: 0000000000000206
[31142.732823] R13: 8f5c28f5c28f5c29 R14: 0000000000403370 R15: 00007f1b231256c8
[31142.733105]  
[31142.733274] irq event stamp: 0
[31142.733467] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[31142.733748] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[31142.734107] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[31142.734475] softirqs last disabled at (0): [<0000000000000000>] 0x0
[31142.734753] ---[ end trace 4538707148c1e5dc ]---
[31142.735059] ------------[ cut here ]------------
[31142.735284] WARNING: CPU: 0 PID: 1983943 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[31142.735709] 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 xfs iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep intel_rapl_common snd_hda_core snd_pcm joydev snd_timer i2c_i801 i2c_smbus snd lpc_ich soundcore virtio_balloon zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[31142.737735] CPU: 0 PID: 1983943 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #528
[31142.738103] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[31142.738474] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[31142.738745] 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 5c 48 8b 05 58 b5 85 01 e8
[31142.739398] RSP: 0018:ffffb09346a8fcb0 EFLAGS: 00010202
[31142.739649] RAX: 000000000000000d RBX: ffff957893620800 RCX: 0000000000000000
[31142.739935] RDX: 0000000000000001 RSI: ffffffffa35b5d6a RDI: 00000000ffffffff
[31142.740216] RBP: ffff9578bb1f4120 R08: ffff9578cc0f2ab8 R09: 0000000000000000
[31142.740498] R10: ffff9578cc0f2a00 R11: ffff95788cded208 R12: ffff9578fab19208
[31142.740793] R13: ffff957887452300 R14: ffff9578cc0f29c0 R15: ffff9578cc0f2a68
[31142.741074] FS:  00007f1b23125740(0000) GS:ffff9578fbc00000(0000) knlGS:0000000000000000
[31142.741439] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[31142.741702] CR2: 00005561579d58a8 CR3: 0000000160de4001 CR4: 0000000000370ef0
[31142.741987] Call Trace:
[31142.742169]  
[31142.742342]  btrfs_run_delayed_refs+0x86/0x210
[31142.742578]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.742815]  btrfs_start_dirty_block_groups+0x2af/0x540
[31142.743061]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.743283]  btrfs_commit_transaction+0x85e/0xad0
[31142.743528]  ? btrfs_attach_transaction_barrier+0x1f/0x50
[31142.743774]  ? vfs_fsync_range+0x90/0x90
[31142.743982]  iterate_supers+0x85/0xf0
[31142.744193]  ksys_sync+0x50/0x80
[31142.744382]  __do_sys_sync+0xa/0x10
[31142.744602]  do_syscall_64+0x38/0x90
[31142.744812]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[31142.745046] RIP: 0033:0x7f1b2322007b
[31142.745251] Code: c3 66 0f 1f 44 00 00 48 8b 15 f1 ad 0c 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa b8 a2 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 ad 0c 00 f7 d8 64 89 01 48
[31142.745943] RSP: 002b:00007fff9be522a8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a2
[31142.746320] RAX: ffffffffffffffda RBX: 000000000007a120 RCX: 00007f1b2322007b
[31142.746627] RDX: 00000000ffffffff RSI: 00000000670717c5 RDI: 0000000000000206
[31142.746906] RBP: 028f5c28f5c28f5c R08: 000000000000001e R09: 00007f1b232eba00
[31142.747189] R10: 00007fff9be51d90 R11: 0000000000000206 R12: 0000000000000206
[31142.747467] R13: 8f5c28f5c28f5c29 R14: 0000000000403370 R15: 00007f1b231256c8
[31142.747770]  
[31142.747940] irq event stamp: 0
[31142.748126] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[31142.748389] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[31142.749557] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[31142.749966] softirqs last disabled at (0): [<0000000000000000>] 0x0
[31142.750230] ---[ end trace 4538707148c1e5dd ]---
[31142.750592] ------------[ cut here ]------------
[31142.750818] WARNING: CPU: 0 PID: 1983943 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[31142.751227] 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 xfs iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep intel_rapl_common snd_hda_core snd_pcm joydev snd_timer i2c_i801 i2c_smbus snd lpc_ich soundcore virtio_balloon zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[31142.753182] CPU: 0 PID: 1983943 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #528
[31142.753566] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[31142.753937] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[31142.754189] 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 5c 48 8b 05 58 b5 85 01 e8
[31142.754881] RSP: 0018:ffffb09346a8fcb0 EFLAGS: 00010202
[31142.755111] RAX: 000000000000000d RBX: ffff957893620800 RCX: 0000000000000000
[31142.755383] RDX: 0000000000000001 RSI: ffffffffa35b5d6a RDI: 00000000ffffffff
[31142.755619] RBP: ffff9578bb1f4680 R08: ffff9578cc0f2710 R09: 0000000000000000
[31142.755898] R10: ffff9578cc0f2900 R11: ffff95788cded208 R12: ffff9578fab19068
[31142.756173] R13: ffff957887452300 R14: ffff9578cc0f2618 R15: ffff9578cc0f26c0
[31142.756452] FS:  00007f1b23125740(0000) GS:ffff9578fbc00000(0000) knlGS:0000000000000000
[31142.756838] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[31142.765360] CR2: 00005561579d58a8 CR3: 0000000160de4001 CR4: 0000000000370ef0
[31142.765661] Call Trace:
[31142.765842]  
[31142.766012]  btrfs_run_delayed_refs+0x86/0x210
[31142.766240]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.766475]  btrfs_start_dirty_block_groups+0x2af/0x540
[31142.766724]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.766954]  btrfs_commit_transaction+0x85e/0xad0
[31142.767177]  ? btrfs_attach_transaction_barrier+0x1f/0x50
[31142.767416]  ? vfs_fsync_range+0x90/0x90
[31142.767654]  iterate_supers+0x85/0xf0
[31142.767863]  ksys_sync+0x50/0x80
[31142.768046]  __do_sys_sync+0xa/0x10
[31142.768245]  do_syscall_64+0x38/0x90
[31142.768446]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[31142.768689] RIP: 0033:0x7f1b2322007b
[31142.768896] Code: c3 66 0f 1f 44 00 00 48 8b 15 f1 ad 0c 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa b8 a2 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 ad 0c 00 f7 d8 64 89 01 48
[31142.769810] RSP: 002b:00007fff9be522a8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a2
[31142.770171] RAX: ffffffffffffffda RBX: 000000000007a120 RCX: 00007f1b2322007b
[31142.770484] RDX: 00000000ffffffff RSI: 00000000670717c5 RDI: 0000000000000206
[31142.770940] RBP: 028f5c28f5c28f5c R08: 000000000000001e R09: 00007f1b232eba00
[31142.771296] R10: 00007fff9be51d90 R11: 0000000000000206 R12: 0000000000000206
[31142.771668] R13: 8f5c28f5c28f5c29 R14: 0000000000403370 R15: 00007f1b231256c8
[31142.772067]  
[31142.772328] irq event stamp: 0
[31142.772563] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[31142.772840] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[31142.773213] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[31142.773612] softirqs last disabled at (0): [<0000000000000000>] 0x0
[31142.773885] ---[ end trace 4538707148c1e5de ]---
[31142.774215] ------------[ cut here ]------------
[31142.774439] WARNING: CPU: 0 PID: 1983943 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[31142.774866] 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 xfs iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep intel_rapl_common snd_hda_core snd_pcm joydev snd_timer i2c_i801 i2c_smbus snd lpc_ich soundcore virtio_balloon zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[31142.776879] CPU: 0 PID: 1983943 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #528
[31142.777246] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[31142.777628] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[31142.777879] 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 5c 48 8b 05 58 b5 85 01 e8
[31142.778566] RSP: 0018:ffffb09346a8fcb0 EFLAGS: 00010202
[31142.779496] RAX: 000000000000000d RBX: ffff957893620800 RCX: 0000000000000000
[31142.779827] RDX: 0000000000000001 RSI: ffffffffa35b5d6a RDI: 00000000ffffffff
[31142.780127] RBP: ffff9578bb1f4060 R08: ffff95788605a5d8 R09: 0000000000000000
[31142.780437] R10: ffff9578cc0f2600 R11: ffff95788cded208 R12: ffff9578fab19680
[31142.780761] R13: ffff957887452300 R14: ffff95788605a4e0 R15: ffff95788605a588
[31142.781046] FS:  00007f1b23125740(0000) GS:ffff9578fbc00000(0000) knlGS:0000000000000000
[31142.781415] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[31142.781672] CR2: 00005561579d58a8 CR3: 0000000160de4001 CR4: 0000000000370ef0
[31142.781950] Call Trace:
[31142.782125]  
[31142.782300]  btrfs_run_delayed_refs+0x86/0x210
[31142.782542]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.782796]  btrfs_start_dirty_block_groups+0x2af/0x540
[31142.783039]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.783277]  btrfs_commit_transaction+0x85e/0xad0
[31142.783533]  ? btrfs_attach_transaction_barrier+0x1f/0x50
[31142.783776]  ? vfs_fsync_range+0x90/0x90
[31142.783987]  iterate_supers+0x85/0xf0
[31142.784195]  ksys_sync+0x50/0x80
[31142.784389]  __do_sys_sync+0xa/0x10
[31142.784601]  do_syscall_64+0x38/0x90
[31142.784814]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[31142.785046] RIP: 0033:0x7f1b2322007b
[31142.785278] Code: c3 66 0f 1f 44 00 00 48 8b 15 f1 ad 0c 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa b8 a2 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 ad 0c 00 f7 d8 64 89 01 48
[31142.785974] RSP: 002b:00007fff9be522a8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a2
[31142.786328] RAX: ffffffffffffffda RBX: 000000000007a120 RCX: 00007f1b2322007b
[31142.786617] RDX: 00000000ffffffff RSI: 00000000670717c5 RDI: 0000000000000206
[31142.786899] RBP: 028f5c28f5c28f5c R08: 000000000000001e R09: 00007f1b232eba00
[31142.787180] R10: 00007fff9be51d90 R11: 0000000000000206 R12: 0000000000000206
[31142.787467] R13: 8f5c28f5c28f5c29 R14: 0000000000403370 R15: 00007f1b231256c8
[31142.787771]  
[31142.787977] irq event stamp: 0
[31142.788159] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[31142.788415] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[31142.788811] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[31142.789165] softirqs last disabled at (0): [<0000000000000000>] 0x0
[31142.789428] ---[ end trace 4538707148c1e5df ]---
[31142.789782] ------------[ cut here ]------------
[31142.790005] WARNING: CPU: 0 PID: 1983943 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[31142.790406] 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 xfs iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep intel_rapl_common snd_hda_core snd_pcm joydev snd_timer i2c_i801 i2c_smbus snd lpc_ich soundcore virtio_balloon zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[31142.792457] CPU: 0 PID: 1983943 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #528
[31142.792842] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[31142.793217] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[31142.793463] 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 5c 48 8b 05 58 b5 85 01 e8
[31142.794148] RSP: 0018:ffffb09346a8fcb0 EFLAGS: 00010202
[31142.794392] RAX: 000000000000000d RBX: ffff957893620800 RCX: 0000000000000000
[31142.794683] RDX: 0000000000000001 RSI: ffffffffa35b5d6a RDI: 00000000ffffffff
[31142.794967] RBP: ffff9578bb1f4460 R08: ffff95788605a980 R09: 0000000000000000
[31142.795238] R10: ffff95788605a4e0 R11: ffff95788cded208 R12: ffff9578fab19000
[31142.795534] R13: ffff957887452300 R14: ffff95788605a888 R15: ffff95788605a930
[31142.795811] FS:  00007f1b23125740(0000) GS:ffff9578fbc00000(0000) knlGS:0000000000000000
[31142.796165] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[31142.796414] CR2: 00005561579d58a8 CR3: 0000000160de4001 CR4: 0000000000370ef0
[31142.796717] Call Trace:
[31142.796894]  
[31142.797097]  btrfs_run_delayed_refs+0x86/0x210
[31142.797319]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.797565]  btrfs_start_dirty_block_groups+0x2af/0x540
[31142.797811]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.798042]  btrfs_commit_transaction+0x85e/0xad0
[31142.798269]  ? btrfs_attach_transaction_barrier+0x1f/0x50
[31142.798504]  ? vfs_fsync_range+0x90/0x90
[31142.798739]  iterate_supers+0x85/0xf0
[31142.798941]  ksys_sync+0x50/0x80
[31142.799136]  __do_sys_sync+0xa/0x10
[31142.799330]  do_syscall_64+0x38/0x90
[31142.799545]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[31142.799789] RIP: 0033:0x7f1b2322007b
[31142.799994] Code: c3 66 0f 1f 44 00 00 48 8b 15 f1 ad 0c 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa b8 a2 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 ad 0c 00 f7 d8 64 89 01 48
[31142.800662] RSP: 002b:00007fff9be522a8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a2
[31142.801017] RAX: ffffffffffffffda RBX: 000000000007a120 RCX: 00007f1b2322007b
[31142.801283] RDX: 00000000ffffffff RSI: 00000000670717c5 RDI: 0000000000000206
[31142.801570] RBP: 028f5c28f5c28f5c R08: 000000000000001e R09: 00007f1b232eba00
[31142.801868] R10: 00007fff9be51d90 R11: 0000000000000206 R12: 0000000000000206
[31142.802161] R13: 8f5c28f5c28f5c29 R14: 0000000000403370 R15: 00007f1b231256c8
[31142.802439]  
[31142.802625] irq event stamp: 0
[31142.802824] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[31142.803078] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[31142.803433] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[31142.803821] softirqs last disabled at (0): [<0000000000000000>] 0x0
[31142.804420] ---[ end trace 4538707148c1e5e0 ]---
[31142.804707] ------------[ cut here ]------------
[31142.804945] WARNING: CPU: 0 PID: 1983943 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[31142.805436] 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 xfs iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep intel_rapl_common snd_hda_core snd_pcm joydev snd_timer i2c_i801 i2c_smbus snd lpc_ich soundcore virtio_balloon zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[31142.807604] CPU: 0 PID: 1983943 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #528
[31142.807992] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[31142.808381] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[31142.817694] 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 5c 48 8b 05 58 b5 85 01 e8
[31142.818376] RSP: 0018:ffffb09346a8fcb0 EFLAGS: 00010202
[31142.818629] RAX: 000000000000000d RBX: ffff957893620800 RCX: 0000000000000000
[31142.818915] RDX: 0000000000000001 RSI: ffffffffa35b5d6a RDI: 00000000ffffffff
[31142.819194] RBP: ffff9578bb1f4420 R08: ffff95788605a230 R09: 0000000000000000
[31142.819471] R10: ffff95788605a888 R11: ffff95788cded208 R12: ffff9578fab190d0
[31142.819766] R13: ffff957887452300 R14: ffff95788605a138 R15: ffff95788605a1e0
[31142.820042] FS:  00007f1b23125740(0000) GS:ffff9578fbc00000(0000) knlGS:0000000000000000
[31142.820411] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[31142.820678] CR2: 00005561579d58a8 CR3: 0000000160de4001 CR4: 0000000000370ef0
[31142.820978] Call Trace:
[31142.821156]  
[31142.821336]  btrfs_run_delayed_refs+0x86/0x210
[31142.821579]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.821818]  btrfs_start_dirty_block_groups+0x2af/0x540
[31142.822064]  ? __mutex_unlock_slowpath+0x35/0x260
[31142.822303]  btrfs_commit_transaction+0x85e/0xad0
[31142.822555]  ? btrfs_attach_transaction_barrier+0x1f/0x50
[31142.822807]  ? vfs_fsync_range+0x90/0x90
[31142.823024]  iterate_supers+0x85/0xf0
[31142.823237]  ksys_sync+0x50/0x80
[31142.823438]  __do_sys_sync+0xa/0x10
[31142.823652]  do_syscall_64+0x38/0x90
[31142.823868]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[31142.824116] RIP: 0033:0x7f1b2322007b
[31142.824323] Code: c3 66 0f 1f 44 00 00 48 8b 15 f1 ad 0c 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa b8 a2 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 ad 0c 00 f7 d8 64 89 01 48
[31142.825029] RSP: 002b:00007fff9be522a8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a2
[31142.825392] RAX: ffffffffffffffda RBX: 000000000007a120 RCX: 00007f1b2322007b
[31142.825692] RDX: 00000000ffffffff RSI: 00000000670717c5 RDI: 0000000000000206
[31142.825984] RBP: 028f5c28f5c28f5c R08: 000000000000001e R09: 00007f1b232eba00
[31142.826269] R10: 00007fff9be51d90 R11: 0000000000000206 R12: 0000000000000206
[31142.826570] R13: 8f5c28f5c28f5c29 R14: 0000000000403370 R15: 00007f1b231256c8
[31142.826845]  
[31142.827010] irq event stamp: 0
[31142.827202] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[31142.827458] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[31142.827735] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[31142.828018] softirqs last disabled at (0): [<0000000000000000>] 0x0
[31142.828197] ---[ end trace 4538707148c1e5e1 ]---
[31142.828435] BTRFS warning (device dm-9): Skipping commit of aborted transaction.
[31143.931943] BTRFS info (device dm-9): flagging fs with big metadata feature
[31143.932258] BTRFS info (device dm-9): use zlib compression, level 3
[31143.932550] BTRFS info (device dm-9): using free space tree
[31143.932812] BTRFS info (device dm-9): has skinny extents
[31143.935435] BTRFS info (device dm-9): start tree-log replay
[31143.998929] loop0: detected capacity change from 0 to 6629376
[31144.015580] BTRFS info (device loop0): flagging fs with big metadata feature
[31144.015797] BTRFS info (device loop0): using free space tree
[31144.015967] BTRFS info (device loop0): has skinny extents
[31144.048618] BTRFS info (device loop0): enabling ssd optimizations
[31144.048839] BTRFS info (device loop0): start tree-log replay
[31144.388028] btrfs_dev_stat_print_on_error: 122 callbacks suppressed
[31144.388031] BTRFS error (device dm-9): bdev /dev/mapper/error-test errs: wr 0, rd 1, flush 0, corrupt 0, gen 0
[31144.388836] BTRFS error (device dm-9): bdev /dev/mapper/error-test errs: wr 0, rd 2, flush 0, corrupt 0, gen 0
[31144.389184] BTRFS error (device dm-9): bdev /dev/mapper/error-test errs: wr 0, rd 3, flush 0, corrupt 0, gen 0
[31144.389481] blk_print_req_error: 5 callbacks suppressed
[31144.389482] I/O error, dev loop0, sector 78816 op 0x0:(READ) flags 0x1000 phys_seg 4 prio class 0
[31144.389928] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 0, rd 1, flush 0, corrupt 0, gen 0
[31144.390253] BTRFS error (device dm-9): bdev /dev/mapper/error-test errs: wr 0, rd 4, flush 0, corrupt 0, gen 0
[31144.390576] I/O error, dev loop0, sector 83456 op 0x0:(READ) flags 0x1000 phys_seg 4 prio class 0
[31144.390891] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 0, rd 2, flush 0, corrupt 0, gen 0
[31144.391197] BTRFS error (device dm-9): bdev /dev/mapper/error-test errs: wr 0, rd 5, flush 0, corrupt 0, gen 0
[31144.391533] BTRFS error (device dm-9): bdev /dev/mapper/error-test errs: wr 0, rd 6, flush 0, corrupt 0, gen 0
[31144.391888] I/O error, dev loop0, sector 603104 op 0x0:(READ) flags 0x1000 phys_seg 4 prio class 0
[31144.392158] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 0, rd 3, flush 0, corrupt 0, gen 0
[31144.392468] BTRFS error (device dm-9): bdev /dev/mapper/error-test errs: wr 0, rd 7, flush 0, corrupt 0, gen 0
[31144.392765] Buffer I/O error on dev dm-9, logical block 2621424, async page read
[31144.392867] I/O error, dev loop0, sector 607744 op 0x0:(READ) flags 0x1000 phys_seg 4 prio class 0
[31144.393379] I/O error, dev loop0, sector 83456 op 0x0:(READ) flags 0x1000 phys_seg 4 prio class 0
[31144.393743] I/O error, dev loop0, sector 607744 op 0x0:(READ) flags 0x1000 phys_seg 4 prio class 0
[31144.394148] I/O error, dev loop0, sector 83456 op 0x0:(READ) flags 0x1000 phys_seg 4 prio class 0
[31144.394459] I/O error, dev loop0, sector 607744 op 0x0:(READ) flags 0x1000 phys_seg 4 prio class 0
[31144.394794] BTRFS error (device loop0): error loading props for ino 259 (root 5): -5
[31144.395165] I/O error, dev loop0, sector 104256 op 0x0:(READ) flags 0x1000 phys_seg 4 prio class 0
[31144.395590] I/O error, dev loop0, sector 628544 op 0x0:(READ) flags 0x1000 phys_seg 4 prio class 0
[31144.405629] BTRFS warning (device loop0): chunk 13631488 missing 1 devices, max tolerance is 0 for writable mount
[31144.406154] BTRFS: error (device loop0) in write_all_supers:4321: errno=-5 IO failure (errors while submitting device barriers.)
[31144.406684] BTRFS info (device loop0): forced readonly
[31144.406868] BTRFS: error (device loop0) in btrfs_sync_log:3360: errno=-5 IO failure
[31144.551070] BTRFS: error (device dm-9) in btrfs_run_delayed_refs:2161: errno=-5 IO failure
[31144.551415] BTRFS info (device dm-9): forced readonly
[31146.434454] BTRFS info (device dm-9): flagging fs with big metadata feature
[31146.434728] BTRFS info (device dm-9): use zlib compression, level 3
[31146.434915] BTRFS info (device dm-9): using free space tree
[31146.435084] BTRFS info (device dm-9): has skinny extents
[31146.437057] BTRFS info (device dm-9): start tree-log replay
[31146.469082] loop0: detected capacity change from 0 to 6629376
[31146.493164] BTRFS info (device loop0): flagging fs with big metadata feature
[31146.493399] BTRFS info (device loop0): using free space tree
[31146.493586] BTRFS info (device loop0): has skinny extents
[31146.684871] BTRFS info (device loop0): enabling ssd optimizations
[31147.735206] Buffer I/O error on dev dm-9, logical block 2621424, async page read
[31147.738544] BTRFS: error (device dm-9) in __btrfs_free_extent:3081: errno=-5 IO failure
[31147.738858] BTRFS info (device dm-9): forced readonly
[31147.739034] BTRFS: error (device dm-9) in btrfs_run_delayed_refs:2161: errno=-5 IO failure
[31147.739280] BTRFS warning (device dm-9): Skipping commit of aborted transaction.
[31147.739406] lo_write_bvec: 4 callbacks suppressed
[31147.739408] loop: Write error at byte offset 1039962112, length 4096.
[31147.739535] BTRFS: error (device dm-9) in cleanup_transaction:1913: errno=-5 IO failure
[31147.739873] loop: Write error at byte offset 1111625728, length 4096.
[31147.740303] loop: Write error at byte offset 1186127872, length 4096.
[31147.740494] loop: Write error at byte offset 651362304, length 4096.
[31147.740676] loop: Write error at byte offset 685797376, length 4096.
[31147.743342] BTRFS warning (device loop0): chunk 13631488 missing 1 devices, max tolerance is 0 for writable mount
[31147.743810] BTRFS: error (device loop0) in write_all_supers:4321: errno=-5 IO failure (errors while submitting device barriers.)
[31147.744224] BTRFS info (device loop0): forced readonly
[31147.744410] BTRFS warning (device loop0): Skipping commit of aborted transaction.
[31147.744654] BTRFS: error (device loop0) in cleanup_transaction:1913: errno=-5 IO failure
[31149.843928] BTRFS info (device dm-9): flagging fs with big metadata feature
[31149.844167] BTRFS info (device dm-9): use zlib compression, level 3
[31149.844358] BTRFS info (device dm-9): using free space tree
[31149.844558] BTRFS info (device dm-9): has skinny extents
[31149.846369] BTRFS info (device dm-9): start tree-log replay
[31149.914737] loop0: detected capacity change from 0 to 6629376
[31149.928743] BTRFS info (device loop0): flagging fs with big metadata feature
[31149.929037] BTRFS info (device loop0): using free space tree
[31149.929279] BTRFS info (device loop0): has skinny extents
[31149.935942] BTRFS info (device loop0): enabling ssd optimizations
[31149.936222] BTRFS info (device loop0): start tree-log replay