Bug 215718 - general protection fault at fs/btrfs/print-tree.c: btrfs_print_leaf() when mount and umount a corrupted btrfs image
Summary: general protection fault at fs/btrfs/print-tree.c: btrfs_print_leaf() when mo...
Status: NEW
Alias: None
Product: File System
Classification: Unclassified
Component: btrfs (show other bugs)
Hardware: All Linux
: P1 normal
Assignee: BTRFS virtual assignee
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2022-03-21 16:34 UTC by Wenqing Liu
Modified: 2022-03-29 18:53 UTC (History)
2 users (show)

See Also:
Kernel Version: 5.17, 5.17-rc8
Subsystem:
Regression: No
Bisected commit-id:


Attachments
corrupted image and .config (167.64 KB, application/zip)
2022-03-21 16:34 UTC, Wenqing Liu
Details

Description Wenqing Liu 2022-03-21 16:34:02 UTC
Created attachment 300595 [details]
corrupted image and .config

- Overview 
general protection fault at fs/btrfs/print-tree.c: btrfs_print_leaf() when mount and umount a corrupted btrfs image

- Reproduce 
tested on kernel 5.17-rc8, 5.17

$ mkdir mnt
$ sudo mount tmp28.img mnt
$ sudo umount mnt


- Kernel dump
[  274.989502] loop0: detected capacity change from 0 to 262144
[  275.009711] BTRFS: device fsid a62e00e8-e94e-4200-8217-12444de93c2e devid 1 transid 8 /dev/loop0 scanned by mount (3362)
[  275.010949] BTRFS info (device loop0): disk space caching is enabled
[  275.010954] BTRFS info (device loop0): has skinny extents
[  275.229025] ------------[ cut here ]------------
[  275.229029] WARNING: CPU: 0 PID: 3397 at fs/btrfs/extent-tree.c:3070 __btrfs_free_extent.isra.44+0x8f8/0x1620
[  275.229037] Modules linked in: iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi joydev input_leds serio_raw qemu_fw_cfg xfs autofs4 raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx raid1 raid0 multipath linear hid_generic usbhid hid qxl drm_ttm_helper ttm drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops drm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel psmouse aesni_intel crypto_simd cryptd
[  275.229074] CPU: 0 PID: 3397 Comm: umount Not tainted 5.17.0 #1
[  275.229077] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-1ubuntu1.1 04/01/2014
[  275.229079] RIP: 0010:__btrfs_free_extent.isra.44+0x8f8/0x1620
[  275.229082] Code: 00 48 c7 c6 c0 dd 25 bd e8 09 aa 7b 00 48 83 05 65 d6 19 02 01 c7 44 24 10 ea ff ff ff e9 e3 f9 ff ff 48 83 05 40 d5 19 02 01 <0f> 0b 48 8b 3b 48 83 05 3b d5 19 02 01 e8 46 9a 00 00 ff b4 24 a8
[  275.229084] RSP: 0018:ffffbdbf40927b30 EFLAGS: 00010202
[  275.229086] RAX: 00000000fffffffe RBX: ffff95aa8fc260e0 RCX: 0000000000000000
[  275.229092] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
[  275.229093] RBP: 0000000001c0e000 R08: 000000000000000a R09: 0000000000000001
[  275.229094] R10: 0000000000000000 R11: ffff95aa8fc260e0 R12: 0000000000000000
[  275.229096] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001
[  275.229097] FS:  00007fc7b0e4e080(0000) GS:ffff95ac75c00000(0000) knlGS:0000000000000000
[  275.229099] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  275.229101] CR2: 0000563faf715c40 CR3: 0000000102ad6005 CR4: 0000000000370ef0
[  275.229104] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  275.229106] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  275.229107] Call Trace:
[  275.229109]  <TASK>
[  275.229113]  ? _raw_read_unlock+0x18/0x30
[  275.229121]  ? btrfs_merge_delayed_refs+0x5a6/0x680
[  275.229125]  __btrfs_run_delayed_refs+0x93e/0x1bd0
[  275.229129]  btrfs_run_delayed_refs+0xc3/0x380
[  275.229132]  commit_cowonly_roots+0x293/0x360
[  275.229136]  btrfs_commit_transaction+0x662/0x1690
[  275.229139]  ? start_transaction+0x110/0x980
[  275.229143]  btrfs_sync_fs+0x8d/0x370
[  275.229146]  sync_filesystem+0xcc/0x110
[  275.229149]  generic_shutdown_super+0x3e/0x1f0
[  275.229152]  kill_anon_super+0x16/0x40
[  275.229154]  btrfs_kill_super+0x1a/0x40
[  275.229156]  deactivate_locked_super+0x60/0xc0
[  275.229159]  deactivate_super+0x70/0xb0
[  275.229161]  cleanup_mnt+0x11a/0x200
[  275.229165]  __cleanup_mnt+0x16/0x20
[  275.229167]  task_work_run+0x67/0xa0
[  275.229170]  exit_to_user_mode_prepare+0x18c/0x1a0
[  275.229174]  syscall_exit_to_user_mode+0x26/0x40
[  275.229178]  do_syscall_64+0x46/0xb0
[  275.229180]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[  275.229183] RIP: 0033:0x7fc7b070e657
[  275.229188] Code: 98 2c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 01 98 2c 00 f7 d8 64 89 01 48
[  275.229190] RSP: 002b:00007ffd855d6e38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  275.229192] RAX: 0000000000000000 RBX: 00005555b625c420 RCX: 00007fc7b070e657
[  275.229194] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 00005555b62640b0
[  275.229195] RBP: 0000000000000000 R08: 00005555b6264580 R09: 0000000000000005
[  275.229196] R10: 000000000000000b R11: 0000000000000246 R12: 00005555b62640b0
[  275.229197] R13: 00007fc7b0c308a4 R14: 00005555b625c600 R15: 0000000000000000
[  275.229199]  </TASK>
[  275.229200] ---[ end trace 0000000000000000 ]---
[  275.229205] BTRFS info (device loop0): leaf 29405184 gen 9 total ptrs 18 free space 2967 owner 2
[  275.229208] 	item 0 key (12582912 204 8388608) itemoff 3971 itemsize 24
[  275.229210] BTRFS warning (device loop0): bad eb member end: ptr 0xfe8 start 29405184 member offset 4096 size 8
[  275.229234] general protection fault, probably for non-canonical address 0x1a2f980000000: 0000 [#1] PREEMPT SMP NOPTI
[  275.229294] CPU: 0 PID: 3397 Comm: umount Tainted: G        W         5.17.0 #1
[  275.229324] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-1ubuntu1.1 04/01/2014
[  275.229356] RIP: 0010:btrfs_get_64+0x9e/0x190
[  275.229376] Code: c1 fb 06 48 c1 e3 0c 48 03 1d 5e 07 0b 01 e8 49 ed ff ff 49 8d 46 08 4c 01 f3 48 3d 00 10 00 00 77 2e 48 83 05 1a 67 16 02 01 <48> 8b 03 48 8b 4c 24 10 65 48 33 0c 25 28 00 00 00 0f 85 94 00 00
[  275.229440] RSP: 0018:ffffbdbf40927a40 EFLAGS: 00010202
[  275.229461] RAX: 0000000000000008 RBX: 0001a2f980000000 RCX: 0000000000000001
[  275.229487] RDX: 0000000000000000 RSI: ffffffffbd5c25a9 RDI: 00000000ffffffff
[  275.229513] RBP: ffff95aa90226a00 R08: 0000000000000000 R09: 0000000000000001
[  275.229539] R10: 0000000000000000 R11: 0000000000000034 R12: 0000000000000001
[  275.229582] R13: ffff95aa90226a08 R14: 0000000000000000 R15: 0000000000000fe8
[  275.229609] FS:  00007fc7b0e4e080(0000) GS:ffff95ac75c00000(0000) knlGS:0000000000000000
[  275.229639] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  275.229660] CR2: 0000563faf715c40 CR3: 0000000102ad6005 CR4: 0000000000370ef0
[  275.229692] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  275.229719] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  275.229744] Call Trace:
[  275.229755]  <TASK>
[  275.229766]  btrfs_print_leaf+0xa21/0xf00
[  275.229785]  __btrfs_free_extent.isra.44+0x90a/0x1620
[  275.229807]  ? _raw_read_unlock+0x18/0x30
[  275.229825]  ? btrfs_merge_delayed_refs+0x5a6/0x680
[  275.229847]  __btrfs_run_delayed_refs+0x93e/0x1bd0
[  275.229869]  btrfs_run_delayed_refs+0xc3/0x380
[  275.229888]  commit_cowonly_roots+0x293/0x360
[  275.229905]  btrfs_commit_transaction+0x662/0x1690
[  275.229925]  ? start_transaction+0x110/0x980
[  275.229944]  btrfs_sync_fs+0x8d/0x370
[  275.229960]  sync_filesystem+0xcc/0x110
[  275.229977]  generic_shutdown_super+0x3e/0x1f0
[  275.229995]  kill_anon_super+0x16/0x40
[  275.230012]  btrfs_kill_super+0x1a/0x40
[  275.230028]  deactivate_locked_super+0x60/0xc0
[  275.230047]  deactivate_super+0x70/0xb0
[  275.230064]  cleanup_mnt+0x11a/0x200
[  275.230080]  __cleanup_mnt+0x16/0x20
[  275.230095]  task_work_run+0x67/0xa0
[  275.230111]  exit_to_user_mode_prepare+0x18c/0x1a0
[  275.230132]  syscall_exit_to_user_mode+0x26/0x40
[  275.230152]  do_syscall_64+0x46/0xb0
[  275.230167]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[  275.230189] RIP: 0033:0x7fc7b070e657
[  275.230204] Code: 98 2c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 01 98 2c 00 f7 d8 64 89 01 48
[  275.231628] RSP: 002b:00007ffd855d6e38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  275.232333] RAX: 0000000000000000 RBX: 00005555b625c420 RCX: 00007fc7b070e657
[  275.232989] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 00005555b62640b0
[  275.233638] RBP: 0000000000000000 R08: 00005555b6264580 R09: 0000000000000005
[  275.234265] R10: 000000000000000b R11: 0000000000000246 R12: 00005555b62640b0
[  275.234883] R13: 00007fc7b0c308a4 R14: 00005555b625c600 R15: 0000000000000000
[  275.235457]  </TASK>
[  275.236011] Modules linked in: iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi joydev input_leds serio_raw qemu_fw_cfg xfs autofs4 raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx raid1 raid0 multipath linear hid_generic usbhid hid qxl drm_ttm_helper ttm drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops drm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel psmouse aesni_intel crypto_simd cryptd
[  275.238693] ---[ end trace 0000000000000000 ]---
[  275.239377] RIP: 0010:btrfs_get_64+0x9e/0x190
[  275.240062] Code: c1 fb 06 48 c1 e3 0c 48 03 1d 5e 07 0b 01 e8 49 ed ff ff 49 8d 46 08 4c 01 f3 48 3d 00 10 00 00 77 2e 48 83 05 1a 67 16 02 01 <48> 8b 03 48 8b 4c 24 10 65 48 33 0c 25 28 00 00 00 0f 85 94 00 00
[  275.241429] RSP: 0018:ffffbdbf40927a40 EFLAGS: 00010202
[  275.242147] RAX: 0000000000000008 RBX: 0001a2f980000000 RCX: 0000000000000001
[  275.242852] RDX: 0000000000000000 RSI: ffffffffbd5c25a9 RDI: 00000000ffffffff
[  275.243569] RBP: ffff95aa90226a00 R08: 0000000000000000 R09: 0000000000000001
[  275.244263] R10: 0000000000000000 R11: 0000000000000034 R12: 0000000000000001
[  275.244980] R13: ffff95aa90226a08 R14: 0000000000000000 R15: 0000000000000fe8
[  275.245737] FS:  00007fc7b0e4e080(0000) GS:ffff95ac75c00000(0000) knlGS:0000000000000000
[  275.246509] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  275.247278] CR2: 0000563faf715c40 CR3: 0000000102ad6005 CR4: 0000000000370ef0
[  275.248060] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  275.248800] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Comment 1 The Linux kernel's regression tracker (Thorsten Leemhuis) 2022-03-29 12:50:41 UTC
Is this a regression or did this happen with earlier kernels (say 5.16) as well?
Comment 2 Wenqing Liu 2022-03-29 18:53:30 UTC
(In reply to The Linux kernel's regression tracker (Thorsten Leemhuis) from comment #1)
> Is this a regression or did this happen with earlier kernels (say 5.16) as
> well?


Other than 5.17, I tested on 5.16.8, 5.15.32, 5.10.99 and 5.4.171
The general protection fault is triggered on 5.16.8, 5.15.32 and 5.10.99.
5.4.171 does not trigger the general protection fault but has several warnings:
[   97.359467] BTRFS: device fsid a62e00e8-e94e-4200-8217-12444de93c2e devid 1 transid 8 /dev/loop0
[   97.361414] BTRFS info (device loop0): disk space caching is enabled
[   97.361420] BTRFS info (device loop0): has skinny extents
[  102.556020] ------------[ cut here ]------------
[  102.556093] WARNING: CPU: 1 PID: 963 at fs/btrfs/extent-tree.c:3101 __btrfs_free_extent+0x457/0x1550 [btrfs]
[  102.556094] Modules linked in: joydev input_leds serio_raw qemu_fw_cfg iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi autofs4 btrfs zstd_decompress zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq raid1 raid0 multipath linear qxl drm_kms_helper hid_generic usbhid syscopyarea sysfillrect sysimgblt hid fb_sys_fops ttm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel drm aesni_intel psmouse glue_helper crypto_simd cryptd
[  102.556116] CPU: 1 PID: 963 Comm: umount Not tainted 5.4.171 #1
[  102.556117] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-1ubuntu1.1 04/01/2014
[  102.556134] RIP: 0010:__btrfs_free_extent+0x457/0x1550 [btrfs]
[  102.556135] Code: 48 8b 7c 24 10 49 89 d8 4c 89 f9 4c 89 e6 e8 80 f5 ff ff 41 89 c5 58 45 85 ed 0f 84 c8 00 00 00 41 83 fd fe 0f 85 94 fe ff ff <0f> 0b 4c 89 e2 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02
[  102.556136] RSP: 0018:ffff88827e997658 EFLAGS: 00010246
[  102.556137] RAX: 00000000fffffffe RBX: 0000000000000001 RCX: 0000000000000000
[  102.556138] RDX: dffffc0000000000 RSI: 0000000000000002 RDI: ffff888283341798
[  102.556139] RBP: 0000000000000000 R08: 000000000000000c R09: 0000000000000000
[  102.556140] R10: 0000000000000000 R11: 0000000000000000 R12: ffff888283341790
[  102.556140] R13: 00000000fffffffe R14: 0000000000000000 R15: 0000000000000000
[  102.556141] FS:  00007f9ab551a080(0000) GS:ffff888293e80000(0000) knlGS:0000000000000000
[  102.556142] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  102.556143] CR2: 0000561f4a283068 CR3: 0000000283fa8003 CR4: 0000000000360ee0
[  102.556145] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  102.556146] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  102.556147] Call Trace:
[  102.556152]  ? _raw_spin_lock+0x7a/0xd0
[  102.556167]  ? lookup_extent_data_ref+0x640/0x640 [btrfs]
[  102.556168]  ? _raw_spin_lock+0x7a/0xd0
[  102.556170]  ? _raw_spin_trylock+0x100/0x100
[  102.556172]  ? _raw_spin_trylock+0x100/0x100
[  102.556202]  ? btrfs_merge_delayed_refs+0x78d/0xaa0 [btrfs]
[  102.556204]  ? _raw_spin_lock+0x7a/0xd0
[  102.556224]  __btrfs_run_delayed_refs+0x40b/0x3110 [btrfs]
[  102.556243]  ? btrfs_create_pending_block_groups+0x394/0x610 [btrfs]
[  102.556258]  ? btrfs_pin_extent+0x60/0x60 [btrfs]
[  102.556271]  ? update_ref_for_cow+0xc70/0xc70 [btrfs]
[  102.556288]  ? btrfs_read_block_groups+0x1670/0x1670 [btrfs]
[  102.556290]  ? radix_tree_gang_lookup_tag+0x143/0x230
[  102.556291]  ? mutex_lock+0x8e/0xe0
[  102.556292]  ? __mutex_lock_slowpath+0x10/0x10
[  102.556294]  ? _raw_spin_trylock+0x100/0x100
[  102.556308]  btrfs_run_delayed_refs+0x114/0x3b0 [btrfs]
[  102.556325]  commit_cowonly_roots+0x193/0x9b0 [btrfs]
[  102.556343]  ? btrfs_qgroup_account_extents+0x2ab/0x6d0 [btrfs]
[  102.556358]  ? switch_commit_roots+0x560/0x560 [btrfs]
[  102.556373]  ? btrfs_run_delayed_refs+0x140/0x3b0 [btrfs]
[  102.556388]  btrfs_commit_transaction+0xbb2/0x2500 [btrfs]
[  102.556404]  ? btrfs_apply_pending_changes+0xd0/0xd0 [btrfs]
[  102.556420]  close_ctree+0x556/0x740 [btrfs]
[  102.556422]  ? __fsnotify_vfsmount_delete+0x20/0x20
[  102.556437]  ? transaction_kthread+0x380/0x380 [btrfs]
[  102.556439]  ? dispose_list+0x180/0x180
[  102.556455]  ? btrfs_attach_transaction_barrier+0x59/0x70 [btrfs]
[  102.556468]  ? btrfs_sync_fs+0x91/0x290 [btrfs]
[  102.556470]  generic_shutdown_super+0x12e/0x350
[  102.556471]  kill_anon_super+0x36/0x60
[  102.556486]  btrfs_kill_super+0x3b/0x2b0 [btrfs]
[  102.556491]  deactivate_locked_super+0x8d/0xd0
[  102.556493]  deactivate_super+0x130/0x160
[  102.556494]  ? freeze_super+0x3f0/0x3f0
[  102.556496]  ? dput+0x1d4/0x760
[  102.556497]  cleanup_mnt+0x1ee/0x3d0
[  102.556500]  task_work_run+0x11e/0x180
[  102.556502]  exit_to_usermode_loop+0x128/0x150
[  102.556503]  do_syscall_64+0x30f/0x390
[  102.556505]  ? prepare_exit_to_usermode+0xec/0x1a0
[  102.556506]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  102.556508] RIP: 0033:0x7f9ab4dda657
[  102.556510] Code: 98 2c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 01 98 2c 00 f7 d8 64 89 01 48
[  102.556511] RSP: 002b:00007ffeff97ff38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  102.556512] RAX: 0000000000000000 RBX: 0000561f4a27b420 RCX: 00007f9ab4dda657
[  102.556513] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000561f4a283450
[  102.556513] RBP: 0000000000000000 R08: 0000561f4a283580 R09: 0000000000000005
[  102.556514] R10: 000000000000000b R11: 0000000000000246 R12: 0000561f4a283450
[  102.556515] R13: 00007f9ab52fc8a4 R14: 0000561f4a27b600 R15: 0000000000000000
[  102.556516] ---[ end trace a2000179777c6772 ]---
[  102.556520] BTRFS info (device loop0): leaf 29368320 gen 9 total ptrs 13 free space 3268 owner 2
[  102.556522] 	item 0 key (12582912 204 8388608) itemoff 3971 itemsize 24
[  102.556522] ------------[ cut here ]------------
[  102.556523] btrfs bad mapping eb start 29368320 len 4096, wanted 4096 8
[  102.556624] WARNING: CPU: 1 PID: 963 at fs/btrfs/extent_io.c:5676 map_private_extent_buffer+0x1f5/0x390 [btrfs]
[  102.556625] Modules linked in: joydev input_leds serio_raw qemu_fw_cfg iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi autofs4 btrfs zstd_decompress zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq raid1 raid0 multipath linear qxl drm_kms_helper hid_generic usbhid syscopyarea sysfillrect sysimgblt hid fb_sys_fops ttm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel drm aesni_intel psmouse glue_helper crypto_simd cryptd
[  102.556639] CPU: 1 PID: 963 Comm: umount Tainted: G        W         5.4.171 #1
[  102.556639] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-1ubuntu1.1 04/01/2014
[  102.556657] RIP: 0010:map_private_extent_buffer+0x1f5/0x390 [btrfs]
[  102.556658] Code: 10 00 00 49 c7 00 00 00 00 00 4c 29 f5 e9 f5 fe ff ff 49 89 d0 48 89 f1 48 89 c2 4c 89 fe 48 c7 c7 40 9c a6 c0 e8 eb e1 c9 c4 <0f> 0b b8 ea ff ff ff e9 89 fe ff ff 48 8b 15 a8 08 5d c7 4c 89 e6
[  102.556659] RSP: 0018:ffff88827e997378 EFLAGS: 00010286
[  102.556660] RAX: 0000000000000000 RBX: ffff888283faf338 RCX: ffffffff8593c260
[  102.556661] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888293eaa440
[  102.556662] RBP: 0000000000000001 R08: ffffed10527d5489 R09: ffffed10527d5489
[  102.556663] R10: 0000000000001008 R11: ffffed10527d5488 R12: 0000000000001000
[  102.556663] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000001c02000
[  102.556668] FS:  00007f9ab551a080(0000) GS:ffff888293e80000(0000) knlGS:0000000000000000
[  102.556669] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  102.556670] CR2: 0000561f4a283068 CR3: 0000000283fa8003 CR4: 0000000000360ee0
[  102.556672] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  102.556672] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  102.556673] Call Trace:
[  102.556677]  ? up+0x17/0xb0
[  102.556695]  btrfs_get_64+0xbb/0x170 [btrfs]
[  102.556712]  ? btrfs_get_token_64+0x2e0/0x2e0 [btrfs]
[  102.556714]  ? irq_work_queue+0x9/0x20
[  102.556716]  ? wake_up_klogd+0x42/0x60
[  102.556717]  ? vprintk_emit+0x1f5/0x400
[  102.556719]  ? printk+0x9c/0xc3
[  102.556720]  ? pm_qos_get_value.part.4+0xe/0xe
[  102.556737]  ? read_extent_buffer+0x133/0x230 [btrfs]
[  102.556753]  btrfs_print_leaf.part.1+0x8f8/0x1060 [btrfs]
[  102.556772]  ? btrfs_wait_for_snapshot_creation+0x1d0/0x1d0 [btrfs]
[  102.556774]  ? invalid_op+0x1e/0x30
[  102.556789]  __btrfs_free_extent+0x47d/0x1550 [btrfs]
[  102.556791]  ? _raw_spin_lock+0x7a/0xd0
[  102.556805]  ? lookup_extent_data_ref+0x640/0x640 [btrfs]
[  102.556807]  ? _raw_spin_lock+0x7a/0xd0
[  102.556808]  ? _raw_spin_trylock+0x100/0x100
[  102.556809]  ? _raw_spin_trylock+0x100/0x100
[  102.556827]  ? btrfs_merge_delayed_refs+0x78d/0xaa0 [btrfs]
[  102.556828]  ? _raw_spin_lock+0x7a/0xd0
[  102.556843]  __btrfs_run_delayed_refs+0x40b/0x3110 [btrfs]
[  102.556861]  ? btrfs_create_pending_block_groups+0x394/0x610 [btrfs]
[  102.556877]  ? btrfs_pin_extent+0x60/0x60 [btrfs]
[  102.556891]  ? update_ref_for_cow+0xc70/0xc70 [btrfs]
[  102.556908]  ? btrfs_read_block_groups+0x1670/0x1670 [btrfs]
[  102.556910]  ? radix_tree_gang_lookup_tag+0x143/0x230
[  102.556911]  ? mutex_lock+0x8e/0xe0
[  102.556912]  ? __mutex_lock_slowpath+0x10/0x10
[  102.556913]  ? _raw_spin_trylock+0x100/0x100
[  102.556928]  btrfs_run_delayed_refs+0x114/0x3b0 [btrfs]
[  102.556944]  commit_cowonly_roots+0x193/0x9b0 [btrfs]
[  102.556961]  ? btrfs_qgroup_account_extents+0x2ab/0x6d0 [btrfs]
[  102.556977]  ? switch_commit_roots+0x560/0x560 [btrfs]
[  102.556991]  ? btrfs_run_delayed_refs+0x140/0x3b0 [btrfs]
[  102.557007]  btrfs_commit_transaction+0xbb2/0x2500 [btrfs]
[  102.557022]  ? btrfs_apply_pending_changes+0xd0/0xd0 [btrfs]
[  102.557038]  close_ctree+0x556/0x740 [btrfs]
[  102.557040]  ? __fsnotify_vfsmount_delete+0x20/0x20
[  102.557054]  ? transaction_kthread+0x380/0x380 [btrfs]
[  102.557056]  ? dispose_list+0x180/0x180
[  102.557071]  ? btrfs_attach_transaction_barrier+0x59/0x70 [btrfs]
[  102.557085]  ? btrfs_sync_fs+0x91/0x290 [btrfs]
[  102.557087]  generic_shutdown_super+0x12e/0x350
[  102.557088]  kill_anon_super+0x36/0x60
[  102.557102]  btrfs_kill_super+0x3b/0x2b0 [btrfs]
[  102.557104]  deactivate_locked_super+0x8d/0xd0
[  102.557105]  deactivate_super+0x130/0x160
[  102.557106]  ? freeze_super+0x3f0/0x3f0
[  102.557108]  ? dput+0x1d4/0x760
[  102.557109]  cleanup_mnt+0x1ee/0x3d0
[  102.557111]  task_work_run+0x11e/0x180
[  102.557112]  exit_to_usermode_loop+0x128/0x150
[  102.557114]  do_syscall_64+0x30f/0x390
[  102.557115]  ? prepare_exit_to_usermode+0xec/0x1a0
[  102.557117]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  102.557118] RIP: 0033:0x7f9ab4dda657
[  102.557119] Code: 98 2c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 01 98 2c 00 f7 d8 64 89 01 48
[  102.557120] RSP: 002b:00007ffeff97ff38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  102.557121] RAX: 0000000000000000 RBX: 0000561f4a27b420 RCX: 00007f9ab4dda657
[  102.557122] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000561f4a283450
[  102.557123] RBP: 0000000000000000 R08: 0000561f4a283580 R09: 0000000000000005
[  102.557123] R10: 000000000000000b R11: 0000000000000246 R12: 0000561f4a283450
[  102.557124] R13: 00007f9ab52fc8a4 R14: 0000561f4a27b600 R15: 0000000000000000
[  102.557125] ---[ end trace a2000179777c6773 ]---
[  102.557151] ------------[ cut here ]------------
[  102.557152] btrfs bad mapping eb start 29368320 len 4096, wanted 4096 8
[  102.557231] WARNING: CPU: 1 PID: 963 at fs/btrfs/extent_io.c:5598 read_extent_buffer+0x15e/0x230 [btrfs]
[  102.557233] Modules linked in: joydev input_leds serio_raw qemu_fw_cfg iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi autofs4 btrfs zstd_decompress zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq raid1 raid0 multipath linear qxl drm_kms_helper hid_generic usbhid syscopyarea sysfillrect sysimgblt hid fb_sys_fops ttm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel drm aesni_intel psmouse glue_helper crypto_simd cryptd
[  102.557268] CPU: 1 PID: 963 Comm: umount Tainted: G        W         5.4.171 #1
[  102.557274] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-1ubuntu1.1 04/01/2014
[  102.557294] RIP: 0010:read_extent_buffer+0x15e/0x230 [btrfs]
[  102.557297] Code: c0 49 29 df 75 81 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e 41 5f c3 48 89 d1 4d 89 f8 48 89 c2 48 c7 c7 40 9c a6 c0 e8 a2 f4 c9 c4 <0f> 0b 48 83 c4 18 4c 89 fa 4c 89 e7 5b 5d 41 5c 41 5d 41 5e 41 5f
[  102.557300] RSP: 0018:ffff88827e997390 EFLAGS: 00010286
[  102.557302] RAX: 0000000000000000 RBX: ffff888283faf338 RCX: ffffffff8593c260
[  102.557303] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888293eaa440
[  102.557303] RBP: 0000000000001008 R08: ffffed10527d5489 R09: ffffed10527d5489
[  102.557307] R10: 0000000000001008 R11: ffffed10527d5488 R12: ffff88827e9974c0
[  102.557308] R13: 0000000000000fe8 R14: ffff888283faf338 R15: 0000000000000008
[  102.557309] FS:  00007f9ab551a080(0000) GS:ffff888293e80000(0000) knlGS:0000000000000000
[  102.557310] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  102.557310] CR2: 0000561f4a283068 CR3: 0000000283fa8003 CR4: 0000000000360ee0
[  102.557313] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  102.557313] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  102.557314] Call Trace:
[  102.557316]  ? up+0x17/0xb0
[  102.557333]  btrfs_get_64+0x148/0x170 [btrfs]
[  102.557350]  ? btrfs_get_token_64+0x2e0/0x2e0 [btrfs]
[  102.557352]  ? irq_work_queue+0x9/0x20
[  102.557353]  ? wake_up_klogd+0x42/0x60
[  102.557354]  ? vprintk_emit+0x1f5/0x400
[  102.557355]  ? printk+0x9c/0xc3
[  102.557357]  ? pm_qos_get_value.part.4+0xe/0xe
[  102.557374]  ? read_extent_buffer+0x133/0x230 [btrfs]
[  102.557389]  btrfs_print_leaf.part.1+0x8f8/0x1060 [btrfs]
[  102.557404]  ? btrfs_wait_for_snapshot_creation+0x1d0/0x1d0 [btrfs]
[  102.557405]  ? invalid_op+0x1e/0x30
[  102.557420]  __btrfs_free_extent+0x47d/0x1550 [btrfs]
[  102.557421]  ? _raw_spin_lock+0x7a/0xd0
[  102.557435]  ? lookup_extent_data_ref+0x640/0x640 [btrfs]
[  102.557437]  ? _raw_spin_lock+0x7a/0xd0
[  102.557438]  ? _raw_spin_trylock+0x100/0x100
[  102.557441]  ? _raw_spin_trylock+0x100/0x100
[  102.557460]  ? btrfs_merge_delayed_refs+0x78d/0xaa0 [btrfs]
[  102.557462]  ? _raw_spin_lock+0x7a/0xd0
[  102.557478]  __btrfs_run_delayed_refs+0x40b/0x3110 [btrfs]
[  102.557498]  ? btrfs_create_pending_block_groups+0x394/0x610 [btrfs]
[  102.557514]  ? btrfs_pin_extent+0x60/0x60 [btrfs]
[  102.557529]  ? update_ref_for_cow+0xc70/0xc70 [btrfs]
[  102.557549]  ? btrfs_read_block_groups+0x1670/0x1670 [btrfs]
[  102.557553]  ? radix_tree_gang_lookup_tag+0x143/0x230
[  102.557556]  ? mutex_lock+0x8e/0xe0
[  102.557559]  ? __mutex_lock_slowpath+0x10/0x10
[  102.557562]  ? _raw_spin_trylock+0x100/0x100
[  102.557584]  btrfs_run_delayed_refs+0x114/0x3b0 [btrfs]
[  102.557608]  commit_cowonly_roots+0x193/0x9b0 [btrfs]
[  102.557644]  ? btrfs_qgroup_account_extents+0x2ab/0x6d0 [btrfs]
[  102.557671]  ? switch_commit_roots+0x560/0x560 [btrfs]
[  102.557691]  ? btrfs_run_delayed_refs+0x140/0x3b0 [btrfs]
[  102.557716]  btrfs_commit_transaction+0xbb2/0x2500 [btrfs]
[  102.557757]  ? btrfs_apply_pending_changes+0xd0/0xd0 [btrfs]
[  102.557785]  close_ctree+0x556/0x740 [btrfs]
[  102.557790]  ? __fsnotify_vfsmount_delete+0x20/0x20
[  102.557810]  ? transaction_kthread+0x380/0x380 [btrfs]
[  102.557814]  ? dispose_list+0x180/0x180
[  102.557831]  ? btrfs_attach_transaction_barrier+0x59/0x70 [btrfs]
[  102.557846]  ? btrfs_sync_fs+0x91/0x290 [btrfs]
[  102.557850]  generic_shutdown_super+0x12e/0x350
[  102.557852]  kill_anon_super+0x36/0x60
[  102.557868]  btrfs_kill_super+0x3b/0x2b0 [btrfs]
[  102.557871]  deactivate_locked_super+0x8d/0xd0
[  102.557874]  deactivate_super+0x130/0x160
[  102.557878]  ? freeze_super+0x3f0/0x3f0
[  102.557881]  ? dput+0x1d4/0x760
[  102.557885]  cleanup_mnt+0x1ee/0x3d0
[  102.557889]  task_work_run+0x11e/0x180
[  102.557895]  exit_to_usermode_loop+0x128/0x150
[  102.557898]  do_syscall_64+0x30f/0x390
[  102.557902]  ? prepare_exit_to_usermode+0xec/0x1a0
[  102.557909]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  102.557912] RIP: 0033:0x7f9ab4dda657
[  102.557915] Code: 98 2c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 01 98 2c 00 f7 d8 64 89 01 48
[  102.557916] RSP: 002b:00007ffeff97ff38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  102.557919] RAX: 0000000000000000 RBX: 0000561f4a27b420 RCX: 00007f9ab4dda657
[  102.557922] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000561f4a283450
[  102.557924] RBP: 0000000000000000 R08: 0000561f4a283580 R09: 0000000000000005
[  102.557926] R10: 000000000000000b R11: 0000000000000246 R12: 0000561f4a283450
[  102.557930] R13: 00007f9ab52fc8a4 R14: 0000561f4a27b600 R15: 0000000000000000
[  102.557934] ---[ end trace a2000179777c6774 ]---
[  102.557937] 		dev extent chunk_tree 0
               		chunk objectid 256 chunk offset 1 length 0
[  102.557941] 	item 1 key (20971520 192 8388608) itemoff 3947 itemsize 24
[  102.557943] 		block group used 4096 chunk_objectid 256 flags 34
[  102.557944] 	item 2 key (20975616 169 0) itemoff 3914 itemsize 33
[  102.557945] 		extent refs 1 gen 5 flags 2
[  102.557946] 		ref#0: tree block backref root 3
[  102.557947] 	item 3 key (29360128 169 0) itemoff 3881 itemsize 33
[  102.557947] 		extent refs 1 gen 9 flags 2
[  102.557948] 		ref#0: tree block backref root 1
[  102.557949] 	item 4 key (29360128 192 33554432) itemoff 3857 itemsize 24
[  102.557950] 		block group used 28672 chunk_objectid 256 flags 36
[  102.557951] 	item 5 key (29364224 169 0) itemoff 3824 itemsize 33
[  102.557951] 		extent refs 1 gen 6 flags 2
[  102.557951] 		ref#0: tree block backref root 9
[  102.557952] 	item 6 key (29368320 169 0) itemoff 3791 itemsize 33
[  102.557953] 		extent refs 1 gen 9 flags 2
[  102.557953] 		ref#0: tree block backref root 2
[  102.557954] 	item 7 key (29376512 169 0) itemoff 3758 itemsize 33
[  102.557955] 		extent refs 1 gen 4 flags 2
[  102.557955] 		ref#0: tree block backref root 7
[  102.557956] 	item 8 key (29380608 169 0) itemoff 3725 itemsize 33
[  102.557957] 		extent refs 1 gen 4 flags 2
[  102.557957] 		ref#0: tree block backref root 18446744073709551607
[  102.557958] 	item 9 key (29396992 169 0) itemoff 3692 itemsize 33
[  102.557959] 		extent refs 1 gen 6 flags 2
[  102.557959] 		ref#0: tree block backref root 4
[  102.557960] 	item 10 key (29409280 169 0) itemoff 3659 itemsize 33
[  102.557961] 		extent refs 1 gen 7 flags 2
[  102.557961] 		ref#0: tree block backref root 5
[  102.557962] 	item 11 key (29417472 169 0) itemoff 3626 itemsize 33
[  102.557963] 		extent refs 1 gen 8 flags 2
[  102.557963] 		ref#0: tree block backref root 562949953421313
[  102.557964] 	item 12 key (29421568 169 0) itemoff 3593 itemsize 33
[  102.557965] 		extent refs 1 gen 8 flags 2
[  102.557965] 		ref#0: tree block backref root 2
[  102.557968] BTRFS error (device loop0): unable to find ref byte nr 29417472 parent 0 root 1  owner 0 offset 0
[  102.558027] ------------[ cut here ]------------
[  102.558027] BTRFS: Transaction aborted (error -2)
[  102.558058] WARNING: CPU: 1 PID: 963 at fs/btrfs/extent-tree.c:3107 __btrfs_free_extent+0x4f3/0x1550 [btrfs]
[  102.558059] Modules linked in: joydev input_leds serio_raw qemu_fw_cfg iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi autofs4 btrfs zstd_decompress zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq raid1 raid0 multipath linear qxl drm_kms_helper hid_generic usbhid syscopyarea sysfillrect sysimgblt hid fb_sys_fops ttm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel drm aesni_intel psmouse glue_helper crypto_simd cryptd
[  102.558102] CPU: 1 PID: 963 Comm: umount Tainted: G        W         5.4.171 #1
[  102.558104] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-1ubuntu1.1 04/01/2014
[  102.558119] RIP: 0010:__btrfs_free_extent+0x4f3/0x1550 [btrfs]
[  102.558123] Code: 50 48 8d bb 38 ce 00 00 e8 ea ac 37 c5 f0 48 0f ba ab 38 ce 00 00 02 72 13 be fe ff ff ff 48 c7 c7 60 e5 a5 c0 e8 6d a2 d5 c4 <0f> 0b 48 8b 7c 24 08 b9 fe ff ff ff ba 23 0c 00 00 48 c7 c6 00 f2
[  102.558126] RSP: 0018:ffff88827e997658 EFLAGS: 00010286
[  102.558130] RAX: 0000000000000000 RBX: ffff88827f7f0000 RCX: ffffffff8593c260
[  102.558132] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888293eaa440
[  102.558134] RBP: 0000000000000000 R08: ffffed10527d5489 R09: ffffed10527d5489
[  102.558136] R10: 0000000000000001 R11: ffffed10527d5488 R12: ffff888283341790
[  102.558139] R13: 00000000fffffffe R14: 0000000000000000 R15: 0000000000000000
[  102.558142] FS:  00007f9ab551a080(0000) GS:ffff888293e80000(0000) knlGS:0000000000000000
[  102.558144] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  102.558147] CR2: 0000561f4a283068 CR3: 0000000283fa8003 CR4: 0000000000360ee0
[  102.558150] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  102.558152] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  102.558154] Call Trace:
[  102.558158]  ? _raw_spin_lock+0x7a/0xd0
[  102.558173]  ? lookup_extent_data_ref+0x640/0x640 [btrfs]
[  102.558176]  ? _raw_spin_lock+0x7a/0xd0
[  102.558178]  ? _raw_spin_trylock+0x100/0x100
[  102.558180]  ? _raw_spin_trylock+0x100/0x100
[  102.558199]  ? btrfs_merge_delayed_refs+0x78d/0xaa0 [btrfs]
[  102.558202]  ? _raw_spin_lock+0x7a/0xd0
[  102.558217]  __btrfs_run_delayed_refs+0x40b/0x3110 [btrfs]
[  102.558234]  ? btrfs_create_pending_block_groups+0x394/0x610 [btrfs]
[  102.558248]  ? btrfs_pin_extent+0x60/0x60 [btrfs]
[  102.558261]  ? update_ref_for_cow+0xc70/0xc70 [btrfs]
[  102.558277]  ? btrfs_read_block_groups+0x1670/0x1670 [btrfs]
[  102.558278]  ? radix_tree_gang_lookup_tag+0x143/0x230
[  102.558279]  ? mutex_lock+0x8e/0xe0
[  102.558281]  ? __mutex_lock_slowpath+0x10/0x10
[  102.558282]  ? _raw_spin_trylock+0x100/0x100
[  102.558296]  btrfs_run_delayed_refs+0x114/0x3b0 [btrfs]
[  102.558310]  commit_cowonly_roots+0x193/0x9b0 [btrfs]
[  102.558329]  ? btrfs_qgroup_account_extents+0x2ab/0x6d0 [btrfs]
[  102.558346]  ? switch_commit_roots+0x560/0x560 [btrfs]
[  102.558361]  ? btrfs_run_delayed_refs+0x140/0x3b0 [btrfs]
[  102.558377]  btrfs_commit_transaction+0xbb2/0x2500 [btrfs]
[  102.558393]  ? btrfs_apply_pending_changes+0xd0/0xd0 [btrfs]
[  102.558409]  close_ctree+0x556/0x740 [btrfs]
[  102.558412]  ? __fsnotify_vfsmount_delete+0x20/0x20
[  102.558428]  ? transaction_kthread+0x380/0x380 [btrfs]
[  102.558431]  ? dispose_list+0x180/0x180
[  102.558447]  ? btrfs_attach_transaction_barrier+0x59/0x70 [btrfs]
[  102.558460]  ? btrfs_sync_fs+0x91/0x290 [btrfs]
[  102.558463]  generic_shutdown_super+0x12e/0x350
[  102.558465]  kill_anon_super+0x36/0x60
[  102.558478]  btrfs_kill_super+0x3b/0x2b0 [btrfs]
[  102.558479]  deactivate_locked_super+0x8d/0xd0
[  102.558481]  deactivate_super+0x130/0x160
[  102.558482]  ? freeze_super+0x3f0/0x3f0
[  102.558483]  ? dput+0x1d4/0x760
[  102.558484]  cleanup_mnt+0x1ee/0x3d0
[  102.558487]  task_work_run+0x11e/0x180
[  102.558490]  exit_to_usermode_loop+0x128/0x150
[  102.558493]  do_syscall_64+0x30f/0x390
[  102.558496]  ? prepare_exit_to_usermode+0xec/0x1a0
[  102.558499]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  102.558502] RIP: 0033:0x7f9ab4dda657
[  102.558504] Code: 98 2c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 01 98 2c 00 f7 d8 64 89 01 48
[  102.558505] RSP: 002b:00007ffeff97ff38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  102.558506] RAX: 0000000000000000 RBX: 0000561f4a27b420 RCX: 00007f9ab4dda657
[  102.558507] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000561f4a283450
[  102.558507] RBP: 0000000000000000 R08: 0000561f4a283580 R09: 0000000000000005
[  102.558508] R10: 000000000000000b R11: 0000000000000246 R12: 0000561f4a283450
[  102.558512] R13: 00007f9ab52fc8a4 R14: 0000561f4a27b600 R15: 0000000000000000
[  102.558513] ---[ end trace a2000179777c6775 ]---
[  102.558516] BTRFS: error (device loop0) in __btrfs_free_extent:3107: errno=-2 No such entry
[  102.558600] BTRFS info (device loop0): forced readonly
[  102.558612] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2213: errno=-2 No such entry
[  102.558676] BTRFS warning (device loop0): Skipping commit of aborted transaction.
[  102.558677] BTRFS: error (device loop0) in cleanup_transaction:1826: errno=-2 No such entry
[  102.559127] BTRFS error (device loop0): commit super ret -2

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