WARNING: CPU: 0 PID: 8026 at kernel/kthread.c:398 __kthread_bind_mask+0x3b/0xc0 kernel/kthread.c:398 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 8026 Comm: syz-executor655 Not tainted 5.1.0-rc4+ #65 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 panic+0x2cb/0x65c kernel/panic.c:214 __warn.cold+0x20/0x45 kernel/panic.c:571 report_bug+0x263/0x2b0 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:179 [inline] fixup_bug arch/x86/kernel/traps.c:174 [inline] do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:272 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:291 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:973 RIP: 0010:__kthread_bind_mask+0x3b/0xc0 kernel/kthread.c:398 Code: 48 89 fb e8 27 88 24 00 4c 89 e6 48 89 df e8 dc e7 02 00 31 ff 49 89 c4 48 89 c6 e8 af 89 24 00 4d 85 e4 75 15 e8 05 88 24 00 <0f> 0b e8 fe 87 24 00 5b 41 5c 41 5d 41 5e 5d c3 e8 f0 87 24 00 4c RSP: 0018:ffff88809617fbb8 EFLAGS: 00010293 RAX: ffff8880919b02c0 RBX: ffff88807f04c3c0 RCX: ffffffff814c06f1 RDX: 0000000000000000 RSI: ffffffff814c06fb RDI: 0000000000000007 RBP: ffff88809617fbd8 R08: ffff8880919b02c0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffffffff87691088 R14: ffff88807f04c3e0 R15: ffffffff81c801d0 __kthread_bind kernel/kthread.c:411 [inline] kthread_unpark+0x123/0x160 kernel/kthread.c:479 kthread_stop+0xfa/0x6c0 kernel/kthread.c:555 io_sq_thread_stop fs/io_uring.c:2057 [inline] io_sq_thread_stop fs/io_uring.c:2052 [inline] io_finish_async+0xab/0x180 fs/io_uring.c:2064 io_ring_ctx_free fs/io_uring.c:2533 [inline] io_ring_ctx_wait_and_kill+0x133/0x510 fs/io_uring.c:2590 io_uring_release+0x42/0x50 fs/io_uring.c:2598 __fput+0x2e5/0x8d0 fs/file_table.c:278 ____fput+0x16/0x20 fs/file_table.c:309 task_work_run+0x14a/0x1c0 kernel/task_work.c:113 exit_task_work include/linux/task_work.h:22 [inline] do_exit+0x90a/0x2fa0 kernel/exit.c:876 do_group_exit+0x135/0x370 kernel/exit.c:980 __do_sys_exit_group kernel/exit.c:991 [inline] __se_sys_exit_group kernel/exit.c:989 [inline] __x64_sys_exit_group+0x44/0x50 kernel/exit.c:989 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x43ee98 Code: 07 c0 fa 02 29 c2 41 8d 43 06 8d 14 92 01 d2 29 d1 83 c1 30 42 88 0c 06 4c 63 c0 42 c6 04 06 00 c3 90 0f b6 57 09 41 b8 14 00 <00> 00 b8 14 00 00 00 b9 13 00 00 00 41 bb 13 00 00 00 80 fa 5a 0f RSP: 002b:00007ffc60845f58 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043ee98 RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 RBP: 00000000004be6a8 R08: 00000000000000e7 R09: ffffffffffffffd0 R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 R13: 00000000006d0180 R14: 0000000000000000 R15: 0000000000000000 Kernel Offset: disabled Rebooting in 86400 seconds..