WARNING: CPU: 1 PID: 13994 at kernel/kthread.c:399 __kthread_bind_mask+0x3b/0xc0 kernel/kthread.c:399
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 13994 Comm: syz-executor.3 Not tainted 5.1.0-rc5-next-20190418 #28
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/0x72b kernel/panic.c:214
 __warn.cold+0x20/0x46 kernel/panic.c:576
 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:972
RIP: 0010:__kthread_bind_mask+0x3b/0xc0 kernel/kthread.c:399
Code: 48 89 fb e8 d7 bc 24 00 4c 89 e6 48 89 df e8 ac e0 02 00 31 ff 49 89 c4 48 89 c6 e8 5f be 24 00 4d 85 e4 75 15 e8 b5 bc 24 00 <0f> 0b e8 ae bc 24 00 5b 41 5c 41 5d 41 5e 5d c3 e8 a0 bc 24 00 4c
RSP: 0018:ffff8880a059fd10 EFLAGS: 00010293
RAX: ffff88808a3e4600 RBX: ffff888054fbc440 RCX: ffffffff814c09d1
RDX: 0000000000000000 RSI: ffffffff814c09db RDI: 0000000000000007
RBP: ffff8880a059fd30 R08: ffff88808a3e4600 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffffffff87691648 R14: ffff888054fbc460 R15: ffffffff81c92ca0
 __kthread_bind kernel/kthread.c:412 [inline]
 kthread_unpark+0x123/0x160 kernel/kthread.c:480
 kthread_stop+0xfa/0x6c0 kernel/kthread.c:556
 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:2538 [inline]
 io_ring_ctx_wait_and_kill+0x133/0x510 fs/io_uring.c:2595
 io_uring_release+0x42/0x50 fs/io_uring.c:2603
 __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
 tracehook_notify_resume include/linux/tracehook.h:188 [inline]
 exit_to_usermode_loop+0x273/0x2c0 arch/x86/entry/common.c:167
 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:276 [inline]
 do_syscall_64+0x57e/0x670 arch/x86/entry/common.c:301
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x4129e1
Code: 75 14 b8 03 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 e4 1a 00 00 c3 48 83 ec 08 e8 0a fc ff ff 48 89 04 24 b8 03 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 53 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01
RSP: 002b:00007fff8290b500 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000005 RCX: 00000000004129e1
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 0000000000740918 R08: 0000000061d03d2a R09: 0000000061d03d2e
R10: 00007fff8290b5d0 R11: 0000000000000293 R12: 0000000000000001
R13: 000000000004975f R14: 000000000004978c R15: 000000000073bf0c
Kernel Offset: disabled
Rebooting in 86400 seconds..