[28197.738452] run fstests btrfs/078 at 2021-01-08 04:40:11
[28197.914692] BTRFS info (device dm-0): using free space tree
[28197.915034] BTRFS info (device dm-0): has skinny extents
[28198.039498] BTRFS: device fsid f3544a35-001f-4e61-ae82-c01fd2fcd4e8 devid 1 transid 5 /dev/mapper/vg0-lv9 scanned by mkfs.btrfs (2377347)
[28198.056710] BTRFS info (device dm-9): turning on sync discard
[28198.057107] BTRFS info (device dm-9): enabling free space tree
[28198.057483] BTRFS info (device dm-9): using free space tree
[28198.057963] BTRFS info (device dm-9): has skinny extents
[28198.058309] BTRFS info (device dm-9): flagging fs with big metadata feature
[28198.065796] BTRFS info (device dm-9): creating free space tree
[28198.066246] BTRFS info (device dm-9): setting compat-ro feature flag for FREE_SPACE_TREE (0x1)
[28198.066795] BTRFS info (device dm-9): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[28198.075630] BTRFS info (device dm-9): cleaning free space cache v1
[28198.084202] BTRFS info (device dm-9): checking UUID tree
[28263.717678] ------------[ cut here ]------------
[28263.717967] BTRFS: Transaction aborted (error -12)
[28263.718287] WARNING: CPU: 1 PID: 2378109 at fs/btrfs/transaction.c:1679 create_pending_snapshot+0x9b2/0xda0
[28263.718926] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey loop 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 rfkill ip_set nf_tables nfnetlink intel_rapl_msr iTCO_wdt iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec joydev snd_hwdep intel_rapl_common i2c_i801 i2c_smbus virtio_balloon snd_hda_core snd_pcm snd_timer lpc_ich snd soundcore zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw qxl drm_ttm_helper ttm virtio_blk drm_kms_helper cec qemu_fw_cfg drm
[28263.722590] CPU: 1 PID: 2378109 Comm: btrfs Not tainted 5.11.0-rc2+ #101
[28263.723060] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[28263.723551] RIP: 0010:create_pending_snapshot+0x9b2/0xda0
[28263.723865] Code: 24 50 f0 48 0f ba aa d0 19 00 00 03 72 22 83 f8 fb 74 3f 83 f8 e2 74 3a 89 c6 48 c7 c7 68 63 61 a2 48 89 45 88 e8 4c 39 76 00 <0f> 0b 48 8b 45 88 89 c1 ba 8f 06 00 00 48 c7 c6 90 72 27 a2 4c 89
[28263.724942] RSP: 0018:ffffbe13013f7b20 EFLAGS: 00010282
[28263.725367] RAX: 0000000000000026 RBX: ffff9d6ced613100 RCX: 0000000000000000
[28263.725845] RDX: ffff9d6cfbd27ae0 RSI: ffff9d6cfbd19110 RDI: ffff9d6cfbd19110
[28263.726264] RBP: ffffbe13013f7bf0 R08: 0000000000000000 R09: 0000000000000000
[28263.726677] R10: ffffbe13013f7950 R11: ffffffffa2968788 R12: ffff9d6c8ae98ea0
[28263.727098] R13: ffff9d6cb68bee00 R14: ffff9d6c91a9d380 R15: 00000000fffffff4
[28263.727510] FS:  00007f051153f8c0(0000) GS:ffff9d6cfbd00000(0000) knlGS:0000000000000000
[28263.727971] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[28263.728317] CR2: 00007f489ccf4f58 CR3: 000000005d898006 CR4: 0000000000370ee0
[28263.728787] Call Trace:
[28263.728966]  ? create_pending_snapshots+0xaa/0xd0
[28263.729254]  create_pending_snapshots+0xaa/0xd0
[28263.729523]  btrfs_commit_transaction+0x2b5/0xbe0
[28263.729799]  ? start_transaction+0xe0/0x6f0
[28263.730061]  ? lock_release+0x1c3/0x290
[28263.730374]  btrfs_mksubvol+0x2aa/0x460
[28263.730639]  btrfs_mksnapshot+0x7b/0xb0
[28263.730958]  __btrfs_ioctl_snap_create+0x16f/0x180
[28263.731323]  btrfs_ioctl_snap_create_v2+0xb0/0xf0
[28263.731599]  btrfs_ioctl+0x11dd/0x30c0
[28263.731818]  ? _raw_spin_unlock+0x1f/0x30
[28263.732067]  ? handle_mm_fault+0x1095/0x1990
[28263.732388]  ? lock_release+0x1c3/0x290
[28263.732638]  ? __x64_sys_ioctl+0x83/0xb0
[28263.732958]  __x64_sys_ioctl+0x83/0xb0
[28263.733258]  do_syscall_64+0x33/0x40
[28263.733483]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[28263.733782] RIP: 0033:0x7f051163a4cb
[28263.734011] Code: 89 d8 49 8d 3c 1c 48 f7 d8 49 39 c4 72 b5 e8 1c ff ff ff 85 c0 78 ba 4c 89 e0 5b 5d 41 5c c3 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 7d b9 0c 00 f7 d8 64 89 01 48
[28263.735157] RSP: 002b:00007fff85f695f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[28263.735594] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f051163a4cb
[28263.736015] RDX: 00007fff85f696d0 RSI: 0000000050009417 RDI: 0000000000000003
[28263.736494] RBP: 00007f051153f6a8 R08: 0000000000000010 R09: 0000000000000004
[28263.736903] R10: 0000000000000003 R11: 0000000000000246 R12: 00007fff85f696d0
[28263.737326] R13: 000055be931c32a0 R14: 000055be931c32d0 R15: 0000000000000000
[28263.737738] irq event stamp: 0
[28263.737920] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[28263.738296] hardirqs last disabled at (0): [] copy_process+0x8bc/0x1ca0
[28263.738830] softirqs last  enabled at (0): [] copy_process+0x8bc/0x1ca0
[28263.739313] softirqs last disabled at (0): [<0000000000000000>] 0x0
[28263.739677] ---[ end trace 278e6be6b1f5ff9f ]---
[28263.739945] BTRFS: error (device dm-9) in create_pending_snapshot:1679: errno=-12 Out of memory
[28263.740455] BTRFS info (device dm-9): forced readonly
[28263.740819] BTRFS warning (device dm-9): Skipping commit of aborted transaction.
[28263.741323] BTRFS: error (device dm-9) in cleanup_transaction:1939: errno=-12 Out of memory
[28268.378581] BTRFS info (device dm-9): turning on sync discard
[28268.378933] BTRFS info (device dm-9): using free space tree
[28268.379271] BTRFS info (device dm-9): has skinny extents