------------[ cut here ]------------
WARNING: CPU: 0 PID: 21567 at io_uring/io_uring.c:2980 io_ring_exit_work+0x4ed/0x930
Modules linked in:
CPU: 0 UID: 0 PID: 21567 Comm: kworker/u9:2 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 e0 09 62 0e 01 48 c7 c7 a0 69 e2 8b be 24 00 00 00 48 c7 c2 40 69 e2 8b e8 3e 2f 72 00 e9 7b fe ff ff e8 84 56 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:ffffc90002d1f8e0 EFLAGS: 00010293
RAX: ffffffff812b698c RBX: 0000000100017565 RCX: ffff888027b1d640
RDX: 0000000000000000 RSI: fffffffffffffffd RDI: 0000000000000000
RBP: ffffc90002d1fa70 R08: ffffc90002d1f867 R09: 1ffff920005a3f0c
R10: dffffc0000000000 R11: fffff520005a3f0d R12: 0000000100017562
R13: ffff88803b3f4310 R14: ffff88803b3f4480 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880b8611000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002000000bd038 CR3: 0000000129ee2000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 process_scheduled_works+0xae1/0x17b0
 worker_thread+0x8a0/0xda0
 kthread+0x711/0x8a0
 ret_from_fork+0x439/0x7d0
 ret_from_fork_asm+0x1a/0x30
 </TASK>
