ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
Kernel panic - not syncing: kernel: panic_on_warn set ...
CPU: 0 UID: 0 PID: 12 Comm: kworker/u8:0 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026
Workqueue: iou_exit io_ring_exit_work
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120
 vpanic+0x2dc/0x6f8 kernel/panic.c:661
 panic+0xd1/0xe0 kernel/panic.c:787
 check_panic_on_warn kernel/panic.c:533 [inline]
 check_panic_on_warn.cold+0x19/0x34 kernel/panic.c:528
 __warn.cold+0x191/0x321 kernel/panic.c:1104
 __report_bug+0x30f/0x440 lib/bug.c:254
 report_bug+0xb3/0x220 lib/bug.c:286
 handle_bug+0x16a/0x2a0 arch/x86/kernel/traps.c:436
 exc_invalid_op+0x17/0x50 arch/x86/kernel/traps.c:490
 asm_exc_invalid_op+0x1a/0x20 arch/x86/include/asm/idtentry.h:593
RIP: 0010:io_sq_thread_stop+0x18b/0x1c0 io_uring/sqpoll.c:88
Code: 48 c7 c2 40 c5 80 8c be 25 00 00 00 48 c7 c7 a0 c5 80 8c c6 05 76 61 20 0d 01 e8 b0 0b b7 fc e9 12 ff ff ff e8 96 91 dc fc 90 <0f> 0b 90 e9 c8 fe ff ff e8 88 91 dc fc 90 0f 0b 90 e9 3c ff ff ff
RSP: 0018:ffffc90000117a28 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff888033f04c00 RCX: 0000000000000000
RDX: ffff88801fabcb00 RSI: ffffffff8531b46a RDI: 0000000000000001
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000001
R10: ffff888033f04d1f R11: 0000000000000000 R12: ffff888033f04d18
R13: 0000000000000000 R14: ffff88802d60a4e0 R15: ffff888033f047c0
 io_put_sq_data io_uring/sqpoll.c:105 [inline]
 io_put_sq_data+0xb0/0x100 io_uring/sqpoll.c:100
 io_sq_thread_finish+0x252/0x320 io_uring/sqpoll.c:130
 io_ring_ctx_free io_uring/io_uring.c:2322 [inline]
 io_ring_exit_work+0x40a/0x9f5 io_uring/io_uring.c:2658
 process_one_work+0xac7/0x1b10 kernel/workqueue.c:3495
 process_scheduled_works kernel/workqueue.c:3578 [inline]
 worker_thread+0x5ef/0xe50 kernel/workqueue.c:3659
 kthread+0x373/0x450 kernel/kthread.c:436
 ret_from_fork+0x730/0xd60 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
Kernel Offset: disabled
Rebooting in 86400 seconds..