------------[ cut here ]------------
WARNING: io_uring/io_uring.c:3040 at io_ring_exit_work+0x4ed/0x930, CPU#1: kworker/u9:0/26
Modules linked in:
CPU: 1 UID: 0 PID: 26 Comm: kworker/u9:0 Not tainted syzkaller #0 PREEMPT(full) 
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+0x4ed/0x930
Code: c6 05 da 2e 82 0e 01 48 c7 c7 40 5e 02 8c be 24 00 00 00 48 c7 c2 e0 5d 02 8c e8 0e 0b 72 00 e9 7b fe ff ff e8 74 3d 94 00 90 <0f> 0b 90 b8 70 17 00 00 48 89 44 24 38 e9 5f ff ff ff 89 d9 80 e1
RSP: 0018:ffffc900001ef8c0 EFLAGS: 00010293
RAX: ffffffff812b6e9c RBX: 000000010000416a RCX: ffff88801ced8000
RDX: 0000000000000000 RSI: ffffffffffffffff RDI: 0000000000000000
RBP: ffffc900001efa50 R08: ffffc900001ef847 R09: 1ffff9200003df08
R10: dffffc0000000000 R11: fffff5200003df09 R12: 0000000100004169
R13: ffff8880391a6310 R14: ffff8880391a6480 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881a39f1000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6140bbdfc8 CR3: 0000000035970000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 process_scheduled_works+0xae1/0x17b0
 worker_thread+0x8a0/0xda0
 kthread+0x711/0x8a0
 ret_from_fork+0x47f/0x820
 ret_from_fork_asm+0x1a/0x30
 </TASK>
