------------[ cut here ]------------
WARNING: io_uring/io_uring.c:3026 at io_ring_exit_work+0x164/0x528 io_uring/io_uring.c:3026, CPU#1: kworker/u8:2/38
Modules linked in:
Kernel panic - not syncing: kernel: panic_on_warn set ...
CPU: 1 UID: 0 PID: 38 Comm: kworker/u8:2 Not tainted syzkaller #0 PREEMPT 
Hardware name: ARM-Versatile Express
Workqueue: iou_exit io_ring_exit_work
Call trace: 
[<80201a74>] (dump_backtrace) from [<80201b70>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:257)
 r7:82283bc4 r6:83813000 r5:00000000 r4:82295978
[<80201b58>] (show_stack) from [<8021ee18>] (__dump_stack lib/dump_stack.c:94 [inline])
[<80201b58>] (show_stack) from [<8021ee18>] (dump_stack_lvl+0x54/0x7c lib/dump_stack.c:120)
[<8021edc4>] (dump_stack_lvl) from [<8021ee58>] (dump_stack+0x18/0x1c lib/dump_stack.c:129)
 r5:00000000 r4:82a7bd14
[<8021ee40>] (dump_stack) from [<80202648>] (vpanic+0xe0/0x2e8 kernel/panic.c:489)
[<80202568>] (vpanic) from [<80202884>] (trace_suspend_resume+0x0/0xd8 kernel/panic.c:626)
 r7:8020938c
[<80202850>] (panic) from [<802520b0>] (check_panic_on_warn kernel/panic.c:376 [inline])
[<80202850>] (panic) from [<802520b0>] (get_taint+0x0/0x1c kernel/panic.c:371)
 r3:8280c704 r2:00000001 r1:8227c12c r0:82283bc4
[<80252038>] (check_panic_on_warn) from [<80252228>] (__warn+0x94/0x1a4 kernel/panic.c:901)
[<80252194>] (__warn) from [<802524b0>] (warn_slowpath_fmt+0x178/0x1f4 kernel/panic.c:928)
 r8:00000009 r7:822ecf58 r6:df8f9e3c r5:83813000 r4:00000000
[<8025233c>] (warn_slowpath_fmt) from [<8020938c>] (io_ring_exit_work+0x164/0x528 io_uring/io_uring.c:3026)
 r10:00000005 r9:00000000 r8:82804d80 r7:0001960c r6:8603d440 r5:8603d400
 r4:8603d708
[<80209228>] (io_ring_exit_work) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257)
 r10:833e3c70 r9:833e7405 r8:83813000 r7:8300e600 r6:833e7400 r5:8603d708
 r4:8332d100
[<80275c04>] (process_one_work) from [<802764f8>] (process_scheduled_works kernel/workqueue.c:3340 [inline])
[<80275c04>] (process_one_work) from [<802764f8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3421)
 r10:61c88647 r9:83813000 r8:8332d12c r7:82804d80 r6:8300e600 r5:8300e620
 r4:8332d100
[<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:8332d100 r8:802762fc r7:df849e60 r6:8332d180 r5:83813000
 r4:00000001
[<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdf8f9fb0 to 0xdf8f9ff8)
9fa0:                                     00000000 00000000 00000000 00000000
9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0
 r4:8332a440
SMP: failed to stop secondary CPUs
Rebooting in 86400 seconds..