------------[ 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/u8:8/8115 Modules linked in: Kernel panic - not syncing: kernel: panic_on_warn set ... CPU: 0 UID: 0 PID: 8115 Comm: kworker/u8:8 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) r7:82a20f78 r6:00000000 r5:82336570 r4:00000001 [<80201a74>] (show_stack) from [<8021ec68>] (__dump_stack lib/dump_stack.c:94 [inline]) [<80201a74>] (show_stack) from [<8021ec68>] (dump_stack_lvl+0x5c/0x70 lib/dump_stack.c:120) [<8021ec0c>] (dump_stack_lvl) from [<8021ec94>] (dump_stack+0x18/0x1c lib/dump_stack.c:129) r7:82a20f78 r6:00000000 r5:869b3d40 r4:82c85d40 [<8021ec7c>] (dump_stack) from [<80202590>] (vpanic+0x114/0x320 kernel/panic.c:651) [<8020247c>] (vpanic) from [<802027d0>] (trace_suspend_resume+0x0/0x100 kernel/panic.c:788) r7:80209530 [<8020279c>] (panic) from [<80251b50>] (check_panic_on_warn kernel/panic.c:525 [inline]) [<8020279c>] (panic) from [<80251b50>] (get_taint+0x0/0x1c kernel/panic.c:520) r3:82a0b144 r2:00000001 r1:8231c298 r0:82323c10 [<80251ad8>] (check_panic_on_warn) from [<80251ccc>] (__warn+0x98/0x1a4 kernel/panic.c:1104) [<80251c34>] (__warn) from [<80251f50>] (warn_slowpath_fmt+0x178/0x1f4 kernel/panic.c:1136) r8:00000009 r7:8238f958 r6:eb90de54 r5:869b3d40 r4:00000000 [<80251ddc>] (warn_slowpath_fmt) from [<80209530>] (io_ring_exit_work+0x184/0x620 io_uring/io_uring.c:2365) r10:00000005 r9:00000000 r8:82a03d80 r7:000187b7 r6:868f0040 r5:868f0000 r4:868f0304 [<802093ac>] (io_ring_exit_work) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r10:83e3b405 r9:869b3d40 r8:02000000 r7:83012a00 r6:83e3b400 r5:868f0304 r4:86747e80 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:83012a00 r9:86747eb0 r8:869b3d40 r7:82a03d80 r6:83012a20 r5:83012a00 r4:86747e80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eb909e88 r8:8658b600 r7:86747e80 r6:80277df8 r5:869b3d40 r4:85ba3dc0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeb90dfb0 to 0xeb90dff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:85ba3dc0 Rebooting in 86400 seconds..