BTRFS warning (device loop0): Skipping commit of aborted transaction.
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BTRFS: Transaction aborted (error -28)
WARNING: fs/btrfs/transaction.c:2037 at cleanup_transaction fs/btrfs/transaction.c:2037 [inline], CPU#0: kworker/u4:3/44
WARNING: fs/btrfs/transaction.c:2037 at btrfs_commit_transaction+0x323a/0x3c50 fs/btrfs/transaction.c:2630, CPU#0: kworker/u4:3/44
Modules linked in:
CPU: 0 UID: 0 PID: 44 Comm: kworker/u4:3 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
Workqueue: events_unbound btrfs_async_reclaim_data_space
RIP: 0010:cleanup_transaction fs/btrfs/transaction.c:2037 [inline]
RIP: 0010:btrfs_commit_transaction+0x3242/0x3c50 fs/btrfs/transaction.c:2630
Code: 44 c7 e3 fd eb 7d e8 1d e8 c8 fd 84 c0 74 25 e8 34 c7 e3 fd eb 6d e8 2d c7 e3 fd 48 8d 3d 26 81 17 0c 44 8b 6c 24 38 44 89 ee <67> 48 0f b9 3a e9 e7 f8 ff ff e8 df 61 b8 07 89 c3 31 ff 89 c6 e8
RSP: 0018:ffffc90000a17520 EFLAGS: 00010293
RAX: ffffffff83e0c293 RBX: ffff88801f90c001 RCX: ffff88801f6fa4c0
RDX: 0000000000000000 RSI: 00000000ffffffe4 RDI: ffffffff8ff843c0
RBP: ffffc90000a17850 R08: ffff88801f6fa4c0 R09: 0000000000000003
R10: 00000000fffffffb R11: 0000000000000000 R12: 1ffff11009180f32
R13: 00000000ffffffe4 R14: 0000000000000000 R15: ffff88801f90c000
FS:  0000000000000000(0000) GS:ffff88808cce8000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f750bbff000 CR3: 0000000043c37000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 flush_space+0x4da/0xd30 fs/btrfs/space-info.c:925
 do_async_reclaim_data_space+0x29a/0x520 fs/btrfs/space-info.c:1441
 btrfs_async_reclaim_data_space+0x41/0x90 fs/btrfs/space-info.c:1489
 process_one_work kernel/workqueue.c:3257 [inline]
 process_scheduled_works+0xaec/0x17a0 kernel/workqueue.c:3340
 worker_thread+0xda6/0x1360 kernel/workqueue.c:3421
 kthread+0x726/0x8b0 kernel/kthread.c:463
 ret_from_fork+0x51b/0xa40 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
 </TASK>
----------------
Code disassembly (best guess):
   0:	44 c7                	rex.R (bad)
   2:	e3 fd                	jrcxz  0x1
   4:	eb 7d                	jmp    0x83
   6:	e8 1d e8 c8 fd       	call   0xfdc8e828
   b:	84 c0                	test   %al,%al
   d:	74 25                	je     0x34
   f:	e8 34 c7 e3 fd       	call   0xfde3c748
  14:	eb 6d                	jmp    0x83
  16:	e8 2d c7 e3 fd       	call   0xfde3c748
  1b:	48 8d 3d 26 81 17 0c 	lea    0xc178126(%rip),%rdi        # 0xc178148
  22:	44 8b 6c 24 38       	mov    0x38(%rsp),%r13d
  27:	44 89 ee             	mov    %r13d,%esi
* 2a:	67 48 0f b9 3a       	ud1    (%edx),%rdi <-- trapping instruction
  2f:	e9 e7 f8 ff ff       	jmp    0xfffff91b
  34:	e8 df 61 b8 07       	call   0x7b86218
  39:	89 c3                	mov    %eax,%ebx
  3b:	31 ff                	xor    %edi,%edi
  3d:	89 c6                	mov    %eax,%esi
  3f:	e8                   	.byte 0xe8