BTRFS warning (device loop0): Skipping commit of aborted transaction. ------------[ cut here ]------------ btrfs_abort_should_print_stack(__error) WARNING: fs/btrfs/transaction.c:2073 at cleanup_transaction+0x727/0x7c0 fs/btrfs/transaction.c:2073, CPU#0: kworker/u4:3/39 Modules linked in: CPU: 0 UID: 0 PID: 39 Comm: kworker/u4:3 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_data_space RIP: 0010:cleanup_transaction+0x727/0x7c0 fs/btrfs/transaction.c:2073 Code: 08 74 1a 41 83 fc fb 74 0d 41 83 fc f4 75 15 e8 6f 5f ad fd eb 17 e8 68 5f ad fd eb 10 e8 61 5f ad fd eb 09 e8 5a 5f ad fd 90 <0f> 0b 90 41 f7 dc e9 44 fa ff ff 44 89 e9 80 e1 07 80 c1 03 38 c1 RSP: 0018:ffffc90000417520 EFLAGS: 00010293 RAX: ffffffff841ac046 RBX: ffff8880128ee000 RCX: ffff88801f734b00 RDX: 0000000000000000 RSI: ffffffff8f3dc090 RDI: 00000000ffffffe4 RBP: ffffc90000417650 R08: ffff88801f734b00 R09: 0000000000000003 R10: 00000000fffffffb R11: 0000000000000000 R12: 00000000ffffffe4 R13: ffff888043a28d38 R14: ffff888043a28d98 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff88808c2bc000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f25f4ff4fe8 CR3: 000000000bf70000 CR4: 0000000000352ef0 Call Trace: btrfs_commit_transaction+0x2627/0x3170 fs/btrfs/transaction.c:2675 flush_space+0x28a/0xde0 fs/btrfs/space-info.c:-1 do_async_reclaim_data_space+0x29e/0x550 fs/btrfs/space-info.c:1471 btrfs_async_reclaim_data_space+0x41/0x90 fs/btrfs/space-info.c:1519 process_one_work kernel/workqueue.c:3396 [inline] process_scheduled_works+0xc3d/0x1630 kernel/workqueue.c:3479 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3560 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