------------[ 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/u33:4/103 Modules linked in: CPU: 0 UID: 0 PID: 103 Comm: kworker/u33:4 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 9b 5c 43 01 48 8b 05 14 a5 4b 0d 4c 8b 7c 24 38 31 ff 49 29 c7 4c 89 fe e8 e2 d9 d3 00 4d 85 ff 79 12 e8 38 df d3 00 90 <0f> 0b 90 48 c7 44 24 20 70 17 00 00 e8 26 df d3 00 48 8b 74 24 20 RSP: 0000:ffffc9000106faa0 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff888051532710 RCX: ffffffff81354d7e RDX: ffff8880225e0000 RSI: ffffffff81354d88 RDI: ffff8880225e0000 RBP: ffffc9000106fc38 R08: 0000000000000007 R09: 0000000000000000 R10: fffffffffffffff9 R11: 0000000000000000 R12: ffff888051532000 R13: dffffc0000000000 R14: 0000000051532700 R15: fffffffffffffff9 FS: 0000000000000000(0000) GS:ffff888096bf5000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 0000000071443000 CR4: 0000000000352ef0 DR0: 0000000000000001 DR1: 0000000000000009 DR2: 0000000000000101 DR3: 0000000000000007 DR6: 00000000ffff0ff0 DR7: 0000000000000400 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