syzbot


WARNING in btrfs_create_pending_block_groups (2)

Status: upstream: reported C repro on 2024/09/19 23:50
Subsystems: btrfs
[Documentation on labels]
Reported-by: syzbot+b0643a1387dac0572b27@syzkaller.appspotmail.com
First crash: 301d, last: 4h48m
Cause bisection: introduced by (bisect log) :
commit b2f78e88052bc0bee56bbf646d245fcfb431a873
Author: David Sterba <dsterba@suse.com>
Date: Thu Jul 22 18:54:37 2021 +0000

  btrfs: allow degenerate raid0/raid10

Crash: WARNING in btrfs_create_pending_block_groups (log)
Repro: C syz .config
  
Discussions (6)
Title Replies (including bot) Last reply
[syzbot] Monthly btrfs report (Jun 2025) 0 (1) 2025/06/24 07:33
[syzbot] Monthly btrfs report (May 2025) 0 (1) 2025/05/24 10:05
[syzbot] Monthly btrfs report (Apr 2025) 0 (1) 2025/04/23 07:50
[syzbot] Monthly btrfs report (Mar 2025) 0 (1) 2025/03/22 18:47
[syzbot] Monthly btrfs report (Feb 2025) 0 (1) 2025/02/19 12:35
[syzbot] [btrfs?] WARNING in btrfs_create_pending_block_groups (2) 0 (1) 2024/09/19 23:50
Similar bugs (4)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.1 WARNING in btrfs_create_pending_block_groups origin:upstream missing-backport -1 C inconclusive 314 6h55m 700d 0/3 upstream: reported C repro on 2023/08/13 16:14
upstream WARNING in btrfs_create_pending_block_groups btrfs -1 C error done 64 555d 958d 0/29 auto-obsoleted due to no activity on 2024/05/26 09:44
linux-6.6 WARNING in btrfs_create_pending_block_groups origin:upstream -1 C 17 6h26m 17d 0/2 upstream: reported C repro on 2025/06/26 23:16
linux-5.15 WARNING in btrfs_create_pending_block_groups missing-backport origin:upstream -1 C done 259 23h15m 746d 0/3 upstream: reported C repro on 2023/06/28 06:17
Last patch testing requests (4)
Created Duration User Patch Repo Result
2025/05/15 01:35 4h08m retest repro git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci report log
2025/05/15 01:35 21m retest repro git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci report log
2024/10/16 11:39 12m retest repro upstream report log
2024/10/02 11:21 16m retest repro upstream report log

Sample crash report:
BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
BTRFS info (device loop0): balance: start -susage=34359738372,drange=7..2048,limit=0..6
------------[ cut here ]------------
BTRFS: Transaction aborted (error -28)
WARNING: CPU: 0 PID: 5840 at fs/btrfs/block-group.c:2781 btrfs_create_pending_block_groups+0x1120/0x1360 fs/btrfs/block-group.c:2781
Modules linked in:
CPU: 0 UID: 0 PID: 5840 Comm: syz-executor225 Not tainted 6.16.0-rc5-syzkaller-00276-g5d5d62298b8b #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:btrfs_create_pending_block_groups+0x1120/0x1360 fs/btrfs/block-group.c:2781
Code: 48 c7 c6 40 ac cf 8b 44 89 f2 e8 ab 97 44 fd e9 38 fe ff ff e8 71 a7 da fd 90 48 c7 c7 e0 ab cf 8b 44 89 f6 e8 71 8a 9e fd 90 <0f> 0b 90 90 e9 19 fe ff ff e8 52 a7 da fd eb 05 e8 4b a7 da fd 4c
RSP: 0018:ffffc9000416f6e0 EFLAGS: 00010246
RAX: 2fd6007757e69800 RBX: ffff8880721a4001 RCX: ffff8880770c1e00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002
RBP: ffffc9000416f958 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1bfaa6c R12: 0000000000000000
R13: dffffc0000000000 R14: 00000000ffffffe4 R15: ffff88814d55d858
FS:  000055555ffb1380(0000) GS:ffff888125c4f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7b3ab450f8 CR3: 0000000072158000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 __btrfs_end_transaction+0x140/0x640 fs/btrfs/transaction.c:1071
 btrfs_inc_block_group_ro+0x641/0x6f0 fs/btrfs/block-group.c:3077
 btrfs_relocate_block_group+0x47a/0xde0 fs/btrfs/relocation.c:3962
 btrfs_relocate_chunk+0x12a/0x3b0 fs/btrfs/volumes.c:3437
 __btrfs_balance+0x1870/0x21d0 fs/btrfs/volumes.c:4212
 btrfs_balance+0xc94/0x11d0 fs/btrfs/volumes.c:4589
 btrfs_ioctl_balance+0x3d3/0x610 fs/btrfs/ioctl.c:3583
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:907 [inline]
 __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:893
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7b3aac8d69
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fffc90cc408 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7b3aac8d69
RDX: 0000200000000440 RSI: 00000000c4009420 RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000000 R09: 000055555ffb24c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffc90cc430
R13: 00007f7b3aaa9b14 R14: 431bde82d7b634db R15: 00007f7b3ab1201d
 </TASK>

Crashes (865):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/07/13 22:59 upstream 5d5d62298b8b 3cda49cf .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (clean fs)] ci2-upstream-fs WARNING in btrfs_create_pending_block_groups
2025/07/04 17:17 upstream 4c06e63b9203 d869b261 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (clean fs)] ci2-upstream-fs WARNING in btrfs_create_pending_block_groups
2025/04/30 06:41 upstream ca91b9500108 85a5a23f .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (clean fs)] ci2-upstream-fs WARNING in btrfs_create_pending_block_groups
2025/03/04 20:54 upstream 99fa936e8e4f c3901742 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (clean fs)] ci2-upstream-fs WARNING in btrfs_create_pending_block_groups
2025/03/04 20:29 upstream 99fa936e8e4f c3901742 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (clean fs)] ci2-upstream-fs WARNING in btrfs_create_pending_block_groups
2025/03/04 20:03 upstream 99fa936e8e4f c3901742 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (clean fs)] ci2-upstream-fs WARNING in btrfs_create_pending_block_groups
2025/01/21 11:00 upstream 95ec54a420b8 6e87cfa2 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in btrfs_create_pending_block_groups
2025/01/21 10:43 upstream 95ec54a420b8 6e87cfa2 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in btrfs_create_pending_block_groups
2025/01/21 02:49 upstream 100ceb4817a2 6e87cfa2 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in btrfs_create_pending_block_groups
2025/01/21 02:29 upstream 100ceb4817a2 6e87cfa2 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in btrfs_create_pending_block_groups
2025/01/20 09:47 upstream ffd294d346d1 f2cb035c .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in btrfs_create_pending_block_groups
2025/01/18 10:37 upstream 595523945be0 f2cb035c .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in btrfs_create_pending_block_groups
2025/01/18 04:48 upstream 595523945be0 f2cb035c .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in btrfs_create_pending_block_groups
2025/01/01 08:09 upstream ccb98ccef0e5 d3ccff63 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in btrfs_create_pending_block_groups
2025/01/01 07:48 upstream ccb98ccef0e5 d3ccff63 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in btrfs_create_pending_block_groups
2024/12/04 01:53 upstream ceb8bf2ceaa7 b50eb251 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in btrfs_create_pending_block_groups
2024/11/19 01:12 upstream 23acd177540d 571351cb .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in btrfs_create_pending_block_groups
2024/11/18 06:34 upstream adc218676eef cfe3a04a .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in btrfs_create_pending_block_groups
2024/09/15 23:46 upstream d42f7708e27c 08d8a733 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in btrfs_create_pending_block_groups
2025/05/20 07:38 upstream a5806cd506af b84f0537 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] [mounted in repro (clean fs)] ci-snapshot-upstream-root WARNING in btrfs_create_pending_block_groups
2025/03/22 11:04 upstream 88d324e69ea9 c6512ef7 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] [mounted in repro (clean fs)] ci-snapshot-upstream-root WARNING in btrfs_create_pending_block_groups
2025/03/18 19:25 upstream 76b6905c11fd 22a6c2b1 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] [mounted in repro (clean fs)] ci-snapshot-upstream-root WARNING in btrfs_create_pending_block_groups
2024/11/03 18:03 upstream 3e5e6c9900c3 f00eed24 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] [mounted in repro] ci-snapshot-upstream-root WARNING in btrfs_create_pending_block_groups
2024/09/18 11:13 upstream 2f27fce67173 c673ca06 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] [mounted in repro] ci-snapshot-upstream-root WARNING in btrfs_create_pending_block_groups
2025/01/12 22:48 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 6251d1776bc5 6dbc6a9b .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-gce-arm64 WARNING in btrfs_create_pending_block_groups
2025/01/09 13:08 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 577490b6abb9 f3558dbf .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-gce-arm64 WARNING in btrfs_create_pending_block_groups
2025/07/13 08:43 upstream 3f31a806a62e 3cda49cf .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in btrfs_create_pending_block_groups
2025/07/13 08:43 upstream 3f31a806a62e 3cda49cf .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in btrfs_create_pending_block_groups
2025/07/13 05:19 upstream 3f31a806a62e 3cda49cf .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in btrfs_create_pending_block_groups
2025/07/12 06:54 upstream 40f92e79b0aa 3cda49cf .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in btrfs_create_pending_block_groups
2025/07/12 03:26 upstream 40f92e79b0aa 3cda49cf .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in btrfs_create_pending_block_groups
2025/07/06 06:42 upstream 05df91921da6 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in btrfs_create_pending_block_groups
2025/07/06 06:38 upstream 05df91921da6 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in btrfs_create_pending_block_groups
2025/07/06 03:36 upstream 05df91921da6 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in btrfs_create_pending_block_groups
2025/07/04 06:55 upstream 17bbde2e1716 76ad128c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in btrfs_create_pending_block_groups
2025/07/03 07:25 upstream b4911fb0b060 0cd59a8f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in btrfs_create_pending_block_groups
2025/07/03 00:50 upstream b4911fb0b060 0cd59a8f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in btrfs_create_pending_block_groups
2025/07/02 14:29 upstream 66701750d556 bc80e4f0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in btrfs_create_pending_block_groups
2025/07/01 19:52 upstream 66701750d556 091a06cd .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in btrfs_create_pending_block_groups
2025/06/30 04:59 upstream d0b3b7b22dfa fc9d8ee5 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in btrfs_create_pending_block_groups
2025/06/30 01:07 upstream afa9a6f4f574 fc9d8ee5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in btrfs_create_pending_block_groups
2025/06/26 18:40 upstream ee88bddf7f2f 26d77996 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in btrfs_create_pending_block_groups
2025/06/26 12:53 upstream ee88bddf7f2f 26d77996 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in btrfs_create_pending_block_groups
2025/06/26 12:52 upstream ee88bddf7f2f 26d77996 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in btrfs_create_pending_block_groups
2025/06/24 13:37 upstream 78f4e737a53e e2f27c35 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in btrfs_create_pending_block_groups
2025/06/23 07:42 upstream b67ec639010f d6cdfb8a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in btrfs_create_pending_block_groups
2025/06/23 02:59 upstream b67ec639010f d6cdfb8a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in btrfs_create_pending_block_groups
2025/07/13 04:17 upstream 3f31a806a62e 3cda49cf .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in btrfs_create_pending_block_groups
2025/07/12 00:05 upstream 40f92e79b0aa 3cda49cf .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in btrfs_create_pending_block_groups
2025/07/09 10:46 upstream 733923397fd9 f4e5e155 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in btrfs_create_pending_block_groups
2025/07/05 07:45 upstream c435a4f487e8 4f67c4ae .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in btrfs_create_pending_block_groups
2025/07/04 16:40 upstream 4c06e63b9203 d869b261 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in btrfs_create_pending_block_groups
2025/07/03 21:21 upstream 17bbde2e1716 a3c808e4 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in btrfs_create_pending_block_groups
2025/07/03 02:09 upstream b4911fb0b060 115ceea7 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in btrfs_create_pending_block_groups
2025/06/30 21:39 upstream d0b3b7b22dfa 6e83b42d .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in btrfs_create_pending_block_groups
2025/06/30 21:38 upstream d0b3b7b22dfa 6e83b42d .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in btrfs_create_pending_block_groups
2025/06/26 14:40 upstream ee88bddf7f2f 1ae8177e .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in btrfs_create_pending_block_groups
2025/06/25 22:33 upstream 92ca6c498a5e 26d77996 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in btrfs_create_pending_block_groups
2025/06/24 11:21 upstream 78f4e737a53e e2f27c35 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in btrfs_create_pending_block_groups
2025/07/03 23:09 linux-next 8d6c58332c7a 115ceea7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in btrfs_create_pending_block_groups
2025/06/27 14:46 linux-next 2aeda9592360 803ce19b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in btrfs_create_pending_block_groups
2025/07/13 20:29 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ec4801305969 3cda49cf .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in btrfs_create_pending_block_groups
2025/07/12 10:45 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ec4801305969 3cda49cf .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in btrfs_create_pending_block_groups
2025/07/06 02:27 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 7482bb149b9f 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in btrfs_create_pending_block_groups
2025/07/05 09:25 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 7482bb149b9f 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in btrfs_create_pending_block_groups
2025/07/05 09:25 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 7482bb149b9f 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in btrfs_create_pending_block_groups
2025/07/05 03:19 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 7482bb149b9f d869b261 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in btrfs_create_pending_block_groups
2025/07/04 21:07 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 7482bb149b9f d869b261 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in btrfs_create_pending_block_groups
2025/07/02 16:26 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 3c795c3404e8 0cd59a8f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in btrfs_create_pending_block_groups
2025/07/01 00:26 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 6625c855789e 6e83b42d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in btrfs_create_pending_block_groups
2025/06/27 11:04 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9aa9b43d689e 803ce19b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in btrfs_create_pending_block_groups
2025/06/23 12:33 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9aa9b43d689e d6cdfb8a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in btrfs_create_pending_block_groups
2025/06/23 01:49 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9aa9b43d689e d6cdfb8a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in btrfs_create_pending_block_groups
* Struck through repros no longer work on HEAD.