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BTRFS: Transaction aborted (error -28)
WARNING: fs/btrfs/inode.c:3217 at btrfs_finish_one_ordered+0x1dcc/0x2170 fs/btrfs/inode.c:3217, CPU#0: kworker/u4:28/4637
Modules linked in:
CPU: 0 UID: 0 PID: 4637 Comm: kworker/u4:28 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
Workqueue: btrfs-endio-write btrfs_work_helper
RIP: 0010:btrfs_finish_one_ordered+0x1dcf/0x2170 fs/btrfs/inode.c:3217
Code: e0 02 00 00 e8 42 0c d4 fd 84 c0 0f 84 0a 01 00 00 e8 15 17 ee fd e9 c9 02 00 00 e8 0b 17 ee fd 48 8d 3d 14 31 b8 0b 44 89 ee <67> 48 0f b9 3a e9 6d f9 ff ff e8 f2 16 ee fd eb 05 e8 eb 16 ee fd
RSP: 0018:ffffc9000300f800 EFLAGS: 00010293
RAX: ffffffff83d2f055 RBX: 1ffff110023a917e RCX: ffff888044718000
RDX: 0000000000000000 RSI: 00000000ffffffe4 RDI: ffffffff8f8b2170
RBP: ffffc9000300f9d0 R08: ffff888044718000 R09: 0000000000000003
R10: 00000000fffffffb R11: 0000000000000000 R12: 00000000ffffffe4
R13: 00000000ffffffe4 R14: 0000000000000000 R15: ffff888011d48bf0
FS:  0000000000000000(0000) GS:ffff88808d416000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f991b581b50 CR3: 0000000041ea0000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 btrfs_work_helper+0x38c/0xbf0 fs/btrfs/async-thread.c:312
 process_one_work kernel/workqueue.c:3257 [inline]
 process_scheduled_works+0xad1/0x1770 kernel/workqueue.c:3340
 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3421
 kthread+0x711/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x510/0xa50 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:	e0 02                	loopne 0x4
   2:	00 00                	add    %al,(%rax)
   4:	e8 42 0c d4 fd       	call   0xfdd40c4b
   9:	84 c0                	test   %al,%al
   b:	0f 84 0a 01 00 00    	je     0x11b
  11:	e8 15 17 ee fd       	call   0xfdee172b
  16:	e9 c9 02 00 00       	jmp    0x2e4
  1b:	e8 0b 17 ee fd       	call   0xfdee172b
  20:	48 8d 3d 14 31 b8 0b 	lea    0xbb83114(%rip),%rdi        # 0xbb8313b
  27:	44 89 ee             	mov    %r13d,%esi
* 2a:	67 48 0f b9 3a       	ud1    (%edx),%rdi <-- trapping instruction
  2f:	e9 6d f9 ff ff       	jmp    0xfffff9a1
  34:	e8 f2 16 ee fd       	call   0xfdee172b
  39:	eb 05                	jmp    0x40
  3b:	e8 eb 16 ee fd       	call   0xfdee172b