------------[ cut here ]------------ btrfs_abort_should_print_stack(__error) WARNING: fs/btrfs/inode.c:3314 at btrfs_finish_one_ordered+0x1e88/0x1f00 fs/btrfs/inode.c:3314, CPU#0: kworker/u4:6/180 Modules linked in: CPU: 0 UID: 0 PID: 180 Comm: kworker/u4:6 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+0x1e88/0x1f00 fs/btrfs/inode.c:3314 Code: de 00 b0 fd 90 0f 0b 90 48 8b 44 24 10 89 c1 f7 d9 e9 cd fb ff ff e8 c7 00 b0 fd eb 10 e8 c0 00 b0 fd eb 09 e8 b9 00 b0 fd 90 <0f> 0b 90 48 8b 44 24 10 89 c1 f7 d9 e9 23 fc ff ff e8 a2 00 b0 fd RSP: 0018:ffffc90001857860 EFLAGS: 00010293 RAX: ffffffff84173407 RBX: 00000000ffffffe4 RCX: ffff888033594b00 RDX: 0000000000000000 RSI: ffffffff8f3d1c10 RDI: 00000000ffffffe4 RBP: ffffc90001857a30 R08: ffff888033594b00 R09: 0000000000000003 R10: 00000000fffffffb R11: 0000000000000000 R12: 0000000000000000 R13: ffff888043f34280 R14: ffff888043f521d8 R15: 1ffff11003a19c5f FS: 0000000000000000(0000) GS:ffff88808c30a000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000e7f000 CR3: 000000000eb46000 CR4: 0000000000352ef0 Call Trace: btrfs_work_helper+0x3a2/0xc50 fs/btrfs/async-thread.c:312 process_one_work kernel/workqueue.c:3387 [inline] process_scheduled_works+0xc3d/0x1630 kernel/workqueue.c:3470 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3551 kthread+0x38b/0x480 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245