------------[ cut here ]------------
WARNING: io_uring/io_uring.c:3026 at io_ring_exit_work+0x48b/0x8d0, CPU#1: kworker/u9:10/1155
Modules linked in:
CPU: 1 UID: 0 PID: 1155 Comm: kworker/u9:10 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
Workqueue: iou_exit io_ring_exit_work
RIP: 0010:io_ring_exit_work+0x48b/0x8d0
Code: c6 05 ac 4c 41 0e 01 48 c7 c7 e0 6c bf 8b be 25 00 00 00 48 c7 c2 c0 6a bf 8b e8 60 f4 73 00 e9 7b fe ff ff e8 46 e5 96 00 90 <0f> 0b 90 b8 70 17 00 00 48 89 44 24 50 e9 5f ff ff ff 44 89 e1 80
RSP: 0018:ffffc9000858f8a0 EFLAGS: 00010293
RAX: ffffffff812ad65a RBX: 0000000100006a63 RCX: ffff88810ac457c0
RDX: 0000000000000000 RSI: fffffffffffffff0 RDI: 0000000000000000
RBP: ffffc9000858fa30 R08: ffffc9000858f827 R09: 1ffff920010b1f04
R10: dffffc0000000000 R11: fffff520010b1f05 R12: 0000000100006a53
R13: ffff8881adb40310 R14: ffff8881adb40480 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8882a9e32000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f305c288fc8 CR3: 0000000177522000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 process_scheduled_works+0xad1/0x1770
 worker_thread+0x8a0/0xda0
 kthread+0x711/0x8a0
 ret_from_fork+0x599/0xb30
 ret_from_fork_asm+0x1a/0x30
 </TASK>
