BTRFS warning (device loop0): Skipping commit of aborted transaction.
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BTRFS: Transaction aborted (error -28)
WARNING: fs/btrfs/transaction.c:2045 at cleanup_transaction+0x7e6/0x9c0 fs/btrfs/transaction.c:2045, CPU#0: syz.0.0/5331
Modules linked in:
CPU: 0 UID: 0 PID: 5331 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 04/01/2014
RIP: 0010:cleanup_transaction+0x7e9/0x9c0 fs/btrfs/transaction.c:2045
Code: 0a e8 6b 82 e0 fd e9 82 00 00 00 e8 b1 93 c5 fd 84 c0 74 2a e8 58 82 e0 fd eb 72 e8 51 82 e0 fd 48 8d 3d 0a 7d 35 0c 44 89 fe <67> 48 0f b9 3a 4c 8b 6c 24 18 4c 8b 64 24 20 e9 a7 f9 ff ff e8 6e
RSP: 0018:ffffc9000e2170e0 EFLAGS: 00010246
RAX: ffffffff83e4056f RBX: ffff888043833000 RCX: 0000000000100000
RDX: ffffc900204d1000 RSI: 00000000ffffffe4 RDI: ffffffff90198280
RBP: ffffc9000e217210 R08: ffff8880419ca480 R09: 0000000000000003
R10: 00000000fffffffb R11: 0000000000000002 R12: 1ffff11009138831
R13: ffff8880489c4188 R14: 0000000000000000 R15: 00000000ffffffe4
FS:  00007f7fd9a836c0(0000) GS:ffff88808cab1000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7fd9a40ff8 CR3: 000000000bb4c000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 btrfs_commit_transaction+0x25aa/0x31a0 fs/btrfs/transaction.c:2630
 btrfs_sync_file+0xdee/0x1210 fs/btrfs/file.c:1817
 generic_write_sync include/linux/fs.h:2640 [inline]
 btrfs_do_write_iter+0x72e/0x880 fs/btrfs/file.c:1468
 iter_file_splice_write+0x99b/0x1100 fs/splice.c:738
 do_splice_from fs/splice.c:938 [inline]
 direct_splice_actor+0x101/0x160 fs/splice.c:1161
 splice_direct_to_actor+0x53a/0xc70 fs/splice.c:1105
 do_splice_direct_actor fs/splice.c:1204 [inline]
 do_splice_direct+0x195/0x290 fs/splice.c:1230
 do_sendfile+0x535/0x7d0 fs/read_write.c:1372
 __do_sys_sendfile64 fs/read_write.c:1433 [inline]
 __se_sys_sendfile64+0x144/0x1a0 fs/read_write.c:1419
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7fd8b9bf79
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7fd9a83028 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f7fd8e16090 RCX: 00007f7fd8b9bf79
RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000009
RBP: 00007f7fd8c327e0 R08: 0000000000000000 R09: 0000000000000000
R10: 000000080000000c R11: 0000000000000246 R12: 0000000000000000
R13: 00007f7fd8e16128 R14: 00007f7fd8e16090 R15: 00007ffc6b1ff248
 </TASK>
----------------
Code disassembly (best guess):
   0:	0a e8                	or     %al,%ch
   2:	6b 82 e0 fd e9 82 00 	imul   $0x0,-0x7d160220(%rdx),%eax
   9:	00 00                	add    %al,(%rax)
   b:	e8 b1 93 c5 fd       	call   0xfdc593c1
  10:	84 c0                	test   %al,%al
  12:	74 2a                	je     0x3e
  14:	e8 58 82 e0 fd       	call   0xfde08271
  19:	eb 72                	jmp    0x8d
  1b:	e8 51 82 e0 fd       	call   0xfde08271
  20:	48 8d 3d 0a 7d 35 0c 	lea    0xc357d0a(%rip),%rdi        # 0xc357d31
  27:	44 89 fe             	mov    %r15d,%esi
* 2a:	67 48 0f b9 3a       	ud1    (%edx),%rdi <-- trapping instruction
  2f:	4c 8b 6c 24 18       	mov    0x18(%rsp),%r13
  34:	4c 8b 64 24 20       	mov    0x20(%rsp),%r12
  39:	e9 a7 f9 ff ff       	jmp    0xfffff9e5
  3e:	e8                   	.byte 0xe8
  3f:	6e                   	outsb  %ds:(%rsi),(%dx)