------------[ cut here ]------------ time_after(jiffies, timeout) WARNING: io_uring/io_uring.c:2365 at io_ring_exit_work+0x479/0xd7a io_uring/io_uring.c:2365, CPU#0: kworker/u33:1/38 Modules linked in: CPU: 0 UID: 0 PID: 38 Comm: kworker/u33:1 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP 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+0x479/0xd7a io_uring/io_uring.c:2365 Code: 8e e8 1b 5e 43 01 48 8b 05 b4 a4 4b 0d 4c 8b 7c 24 38 31 ff 49 29 c7 4c 89 fe e8 22 d9 d3 00 4d 85 ff 79 12 e8 78 de d3 00 90 <0f> 0b 90 48 c7 44 24 20 70 17 00 00 e8 66 de d3 00 48 8b 74 24 20 RSP: 0000:ffffc90000617aa0 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff88804bc9c710 RCX: ffffffff81354dde RDX: ffff88801d790000 RSI: ffffffff81354de8 RDI: ffff88801d790000 RBP: ffffc90000617c38 R08: 0000000000000007 R09: 0000000000000000 R10: fffffffffffffffe R11: 0000000000000000 R12: ffff88804bc9c000 R13: dffffc0000000000 R14: 000000004bc9c700 R15: fffffffffffffffe FS: 0000000000000000(0000) GS:ffff888096bf2000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc52654ae9c CR3: 00000000601ab000 CR4: 0000000000352ef0 Call Trace: process_one_work+0xa23/0x1940 kernel/workqueue.c:3322 process_scheduled_works kernel/workqueue.c:3405 [inline] worker_thread+0x5ef/0xe50 kernel/workqueue.c:3486 kthread+0x370/0x450 kernel/kthread.c:436 ret_from_fork+0x72b/0xd50 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245