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/u4:8/1045
WARNING: fs/btrfs/transaction.c:2037 at btrfs_commit_transaction+0x323a/0x3c50 fs/btrfs/transaction.c:2630, CPU#0: kworker/u4:8/1045
Modules linked in:
CPU: 0 UID: 0 PID: 1045 Comm: kworker/u4:8 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_metadata_space
RIP: 0010:cleanup_transaction fs/btrfs/transaction.c:2037 [inline]
RIP: 0010:btrfs_commit_transaction+0x3242/0x3c50 fs/btrfs/transaction.c:2630
Code: d4 c4 e3 fd eb 7d e8 7d e8 c8 fd 84 c0 74 25 e8 c4 c4 e3 fd eb 6d e8 bd c4 e3 fd 48 8d 3d a6 7c 17 0c 44 8b 6c 24 38 44 89 ee <67> 48 0f b9 3a e9 e7 f8 ff ff e8 3f 52 b8 07 89 c3 31 ff 89 c6 e8
RSP: 0018:ffffc90005bc7460 EFLAGS: 00010293
RAX: ffffffff83e0c233 RBX: ffff88801fc4c001 RCX: ffff888033f50000
RDX: 0000000000000000 RSI: 00000000ffffffe4 RDI: ffffffff8ff83ee0
RBP: ffffc90005bc7790 R08: ffff888033f50000 R09: 0000000000000003
R10: 00000000fffffffb R11: 0000000000000000 R12: 1ffff110039855a1
R13: 00000000ffffffe4 R14: 0000000000000000 R15: ffff88801fc4c000
FS:  0000000000000000(0000) GS:ffff88808ccea000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f773414fad8 CR3: 00000000364ed000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 flush_space+0x4da/0xd30 fs/btrfs/space-info.c:925
 do_async_reclaim_metadata_space+0x3fc/0x960 fs/btrfs/space-info.c:1189
 btrfs_async_reclaim_metadata_space+0x89/0xe0 fs/btrfs/space-info.c:1256
 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), 2 bytes skipped:
   0:	e3 fd                	jrcxz  0xffffffff
   2:	eb 7d                	jmp    0x81
   4:	e8 7d e8 c8 fd       	call   0xfdc8e886
   9:	84 c0                	test   %al,%al
   b:	74 25                	je     0x32
   d:	e8 c4 c4 e3 fd       	call   0xfde3c4d6
  12:	eb 6d                	jmp    0x81
  14:	e8 bd c4 e3 fd       	call   0xfde3c4d6
  19:	48 8d 3d a6 7c 17 0c 	lea    0xc177ca6(%rip),%rdi        # 0xc177cc6
  20:	44 8b 6c 24 38       	mov    0x38(%rsp),%r13d
  25:	44 89 ee             	mov    %r13d,%esi
* 28:	67 48 0f b9 3a       	ud1    (%edx),%rdi <-- trapping instruction
  2d:	e9 e7 f8 ff ff       	jmp    0xfffff919
  32:	e8 3f 52 b8 07       	call   0x7b85276
  37:	89 c3                	mov    %eax,%ebx
  39:	31 ff                	xor    %edi,%edi
  3b:	89 c6                	mov    %eax,%esi
  3d:	e8                   	.byte 0xe8