------------[ cut here ]------------ WARNING: io_uring/io_uring.c:2365 at io_ring_exit_work+0x184/0x620 io_uring/io_uring.c:2365, CPU#0: kworker/u8:20/8077 Modules linked in: Kernel panic - not syncing: kernel: panic_on_warn set ... CPU: 0 UID: 0 PID: 8077 Comm: kworker/u8:20 Not tainted syzkaller #0 PREEMPT Hardware name: ARM-Versatile Express Workqueue: iou_exit io_ring_exit_work Call trace: [<80201998>] (dump_backtrace) from [<80201a8c>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:257) r7:82a20ef8 r6:00000000 r5:82328eb0 r4:00000001 [<80201a74>] (show_stack) from [<8021e4ac>] (__dump_stack lib/dump_stack.c:94 [inline]) [<80201a74>] (show_stack) from [<8021e4ac>] (dump_stack_lvl+0x5c/0x70 lib/dump_stack.c:120) [<8021e450>] (dump_stack_lvl) from [<8021e4d8>] (dump_stack+0x18/0x1c lib/dump_stack.c:129) r7:82a20ef8 r6:00000000 r5:840a4980 r4:82c7ed40 [<8021e4c0>] (dump_stack) from [<80202590>] (vpanic+0x114/0x320 kernel/panic.c:651) [<8020247c>] (vpanic) from [<802027d0>] (trace_suspend_resume+0x0/0x100 kernel/panic.c:788) r7:802094a8 [<8020279c>] (panic) from [<80250ad0>] (check_panic_on_warn kernel/panic.c:525 [inline]) [<8020279c>] (panic) from [<80250ad0>] (get_taint+0x0/0x1c kernel/panic.c:520) r3:82a0b144 r2:00000001 r1:8230ec14 r0:82316570 [<80250a58>] (check_panic_on_warn) from [<80250c4c>] (__warn+0x98/0x1a4 kernel/panic.c:1104) [<80250bb4>] (__warn) from [<80250ed0>] (warn_slowpath_fmt+0x178/0x1f4 kernel/panic.c:1136) r8:00000009 r7:82381624 r6:dfcb1e54 r5:840a4980 r4:00000000 [<80250d5c>] (warn_slowpath_fmt) from [<802094a8>] (io_ring_exit_work+0x184/0x620 io_uring/io_uring.c:2365) r10:00000005 r9:00000000 r8:82a03d80 r7:00014877 r6:86c3e040 r5:86c3e000 r4:86c3e304 [<80209324>] (io_ring_exit_work) from [<80276218>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r10:83151c05 r9:840a4980 r8:02000000 r7:83012a00 r6:83151c00 r5:86c3e304 r4:868cb680 [<80276050>] (process_one_work) from [<80276ec4>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<80276050>] (process_one_work) from [<80276ec4>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:83012a00 r9:868cb6b0 r8:840a4980 r7:82a03d80 r6:83012a20 r5:83012a00 r4:868cb680 [<80276d58>] (worker_thread) from [<80281740>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfcade88 r8:868d0b80 r7:868cb680 r6:80276d58 r5:840a4980 r4:867fbdc0 [<80281624>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfcb1fb0 to 0xdfcb1ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281624 r4:867fbdc0 Rebooting in 86400 seconds..