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BTRFS: Transaction aborted (error -28)
WARNING: fs/btrfs/inode.c:3280 at btrfs_finish_one_ordered+0x20ab/0x2420 fs/btrfs/inode.c:3280, CPU#0: kworker/u4:1/14
Modules linked in:
CPU: 0 UID: 0 PID: 14 Comm: kworker/u4:1 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: btrfs-endio-write btrfs_work_helper
RIP: 0010:btrfs_finish_one_ordered+0x20b0/0x2420 fs/btrfs/inode.c:3280
Code: 00 00 e8 a3 8f c5 fd 84 c0 0f 84 a4 00 00 00 e8 16 83 e0 fd e9 d5 02 00 00 e8 0c 83 e0 fd 48 8d 3d e5 eb 34 0c 48 8b 74 24 10 <67> 48 0f b9 3a e9 0d f8 ff ff e8 f1 82 e0 fd c6 05 11 cc 15 0c 01
RSP: 0018:ffffc9000040f880 EFLAGS: 00010293
RAX: ffffffff83e3ea74 RBX: 1ffff11008fcb0a0 RCX: ffff88801cab2480
RDX: 0000000000000000 RSI: 00000000ffffffe4 RDI: ffffffff9018d660
RBP: ffffc9000040fa50 R08: ffff88801cab2480 R09: 0000000000000003
R10: 00000000fffffffb R11: 0000000000000000 R12: 00000000ffffffe4
R13: 000000000085e000 R14: 0000000000000000 R15: ffff888047e58500
FS:  0000000000000000(0000) GS:ffff88808cacc000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000001000 CR3: 0000000040302000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 btrfs_work_helper+0x38c/0xbe0 fs/btrfs/async-thread.c:312
 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+0x388/0x470 kernel/kthread.c:467
 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:	00 00                	add    %al,(%rax)
   2:	e8 a3 8f c5 fd       	call   0xfdc58faa
   7:	84 c0                	test   %al,%al
   9:	0f 84 a4 00 00 00    	je     0xb3
   f:	e8 16 83 e0 fd       	call   0xfde0832a
  14:	e9 d5 02 00 00       	jmp    0x2ee
  19:	e8 0c 83 e0 fd       	call   0xfde0832a
  1e:	48 8d 3d e5 eb 34 0c 	lea    0xc34ebe5(%rip),%rdi        # 0xc34ec0a
  25:	48 8b 74 24 10       	mov    0x10(%rsp),%rsi
* 2a:	67 48 0f b9 3a       	ud1    (%edx),%rdi <-- trapping instruction
  2f:	e9 0d f8 ff ff       	jmp    0xfffff841
  34:	e8 f1 82 e0 fd       	call   0xfde0832a
  39:	c6 05 11 cc 15 0c 01 	movb   $0x1,0xc15cc11(%rip)        # 0xc15cc51