BTRFS info (device loop0): scrub: started on devid 1
------------[ cut here ]------------
BTRFS: Transaction aborted (error -28)
WARNING: CPU: 0 PID: 5374 at fs/btrfs/block-group.c:4000 do_chunk_alloc fs/btrfs/block-group.c:4000 [inline]
WARNING: CPU: 0 PID: 5374 at fs/btrfs/block-group.c:4000 btrfs_chunk_alloc+0xf9d/0x1460 fs/btrfs/block-group.c:4241
Modules linked in:
CPU: 0 UID: 0 PID: 5374 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:do_chunk_alloc fs/btrfs/block-group.c:4000 [inline]
RIP: 0010:btrfs_chunk_alloc+0xf9d/0x1460 fs/btrfs/block-group.c:4241
Code: b8 fd 84 c0 0f 84 63 01 00 00 e8 6e 44 d2 fd e9 8c 03 00 00 e8 64 44 d2 fd 90 48 c7 c7 20 08 d0 8b 44 89 f6 e8 c4 d0 95 fd 90 <0f> 0b 90 90 e9 3e fc ff ff e8 45 44 d2 fd eb 05 e8 3e 44 d2 fd e8
RSP: 0018:ffffc9000d54f980 EFLAGS: 00010246
RAX: 8567b4070538b300 RBX: ffff888053144001 RCX: ffff888000ce8000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002
RBP: 0000000000000000 R08: ffff88801fc24253 R09: 1ffff11003f8484a
R10: dffffc0000000000 R11: ffffed1003f8484b R12: dffffc0000000000
R13: ffff888052636800 R14: ffffffffffffffe4 R15: ffff888044120b90
FS:  00007fc02b1d46c0(0000) GS:ffff88808d20d000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005645045884b0 CR3: 0000000042b40000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 btrfs_inc_block_group_ro+0x415/0x6f0 fs/btrfs/block-group.c:3061
 scrub_enumerate_chunks+0x7ee/0x13c0 fs/btrfs/scrub.c:2760
 btrfs_scrub_dev+0x7bd/0x10c0 fs/btrfs/scrub.c:3138
 btrfs_ioctl_scrub+0x232/0x490 fs/btrfs/ioctl.c:3163
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:598 [inline]
 __se_sys_ioctl+0xf9/0x170 fs/ioctl.c:584
 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: 0033:0x7fc02ed8ebe9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fc02b1d4038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fc02efc6180 RCX: 00007fc02ed8ebe9
RDX: 0000200000000000 RSI: 00000000c400941b RDI: 0000000000000007
RBP: 00007fc02ee11e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fc02efc6218 R14: 00007fc02efc6180 R15: 00007ffe4986d8f8
 </TASK>