Code: e8 3c 0a 03 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 5b 07 fc ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ffe903dd778 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004433e9 RDX: 0000000000000000 RSI: 00000000400455c8 RDI: 0000000000000003 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000034 R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 WARNING: CPU: 0 PID: 8351 at kernel/locking/lockdep.c:4925 lockdep_unregister_key+0x1ef/0x4c0 kernel/locking/lockdep.c:4925 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 8351 Comm: syz-executor638 Not tainted 5.0.0+ #17 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:lockdep_unregister_key+0x1ef/0x4c0 kernel/locking/lockdep.c:4925 Code: 00 00 00 00 00 fc ff df 4c 89 c2 48 c1 ea 03 80 3c 02 00 0f 85 c9 02 00 00 48 b8 00 02 00 00 00 00 ad de 49 89 44 24 08 eb 02 <0f> 0b ba 01 00 00 00 4c 89 e6 4c 89 ff e8 8f de ff ff 4c 89 ff e8 RSP: 0018:ffff888095dbf950 EFLAGS: 00010046 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 1ffffffff12bad2b RDX: 1ffffffff14657de RSI: 0000000000000000 RDI: ffffffff8a32bef0 RBP: ffff888095dbf980 R08: 1ffff11012bb7f1e R09: ffffed1012bb7f1f R10: ffffed1012bb7f1e R11: 0000000000000003 R12: ffff888092fc5bd8 R13: dffffc0000000000 R14: 0000000000000282 R15: ffffffff8a0a6748 wq_unregister_lockdep kernel/workqueue.c:3455 [inline] alloc_workqueue+0xc52/0xf30 kernel/workqueue.c:4296 hci_register_dev+0x1b8/0x860 net/bluetooth/hci_core.c:3288 hci_uart_register_dev drivers/bluetooth/hci_ldisc.c:676 [inline] hci_uart_set_proto drivers/bluetooth/hci_ldisc.c:700 [inline] hci_uart_tty_ioctl+0x766/0xb00 drivers/bluetooth/hci_ldisc.c:754 tty_ioctl+0xac9/0x14d0 drivers/tty/tty_io.c:2664 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:509 [inline] do_vfs_ioctl+0xd6e/0x1390 fs/ioctl.c:696 ksys_ioctl+0xab/0xd0 fs/ioctl.c:713 __do_sys_ioctl fs/ioctl.c:720 [inline] __se_sys_ioctl fs/ioctl.c:718 [inline] __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:718 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4433e9 Code: e8 3c 0a 03 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 5b 07 fc ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ffe903dd778 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004433e9 RDX: 0000000000000000 RSI: 00000000400455c8 RDI: 0000000000000003 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000034 R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 Kernel Offset: disabled Rebooting in 86400 seconds..