------------[ cut here ]------------ time_after(jiffies, timeout) WARNING: io_uring/io_uring.c:2341 at io_ring_exit_work+0x42d/0xce9 io_uring/io_uring.c:2341, CPU#2: kworker/u32:0/12 Modules linked in: CPU: 2 UID: 0 PID: 12 Comm: kworker/u32:0 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: iou_exit io_ring_exit_work RIP: 0010:io_ring_exit_work+0x42d/0xce9 io_uring/io_uring.c:2341 Code: 8e e8 67 2c 3e 01 48 8b 05 60 db 0b 0d 4c 8b 6c 24 28 31 ff 49 29 c5 4c 89 ee e8 4e be d2 00 4d 85 ed 79 12 e8 64 c3 d2 00 90 <0f> 0b 90 48 c7 44 24 38 70 17 00 00 e8 52 c3 d2 00 48 8b 74 24 38 RSP: 0000:ffffc900001e7ab0 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff888077714778 RCX: ffffffff81353732 RDX: ffff88801decc900 RSI: ffffffff8135373c RDI: ffff88801decc900 RBP: ffffc900001e7c38 R08: 0000000000000007 R09: 0000000000000000 R10: fffffffffffffffa R11: 0000000000000000 R12: ffff888077714000 R13: fffffffffffffffa R14: dffffc0000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff88809734e000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000f511bcd6 CR3: 000000004e3f2000 CR4: 0000000000352ef0 Call Trace: process_one_work+0x9d7/0x1920 kernel/workqueue.c:3275 process_scheduled_works kernel/workqueue.c:3358 [inline] worker_thread+0x5da/0xe40 kernel/workqueue.c:3439 kthread+0x370/0x450 kernel/kthread.c:467 ret_from_fork+0x754/0xd80 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245