WARNING: CPU: 0 PID: 23280 at kernel/locking/lockdep.c:1024 lockdep_register_key+0x10d/0x490 kernel/locking/lockdep.c:1024
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 23280 Comm: syz-executor.5 Not tainted 5.0.0-next-20190306 #4
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_register_key+0x10d/0x490 kernel/locking/lockdep.c:1024
Code: 75 23 e9 e5 01 00 00 48 89 da 48 c1 ea 03 42 80 3c 3a 00 0f 85 b1 02 00 00 48 8b 1b 48 85 db 0f 84 c7 01 00 00 4c 39 e3 75 dd <0f> 0b 48 c7 c0 b8 57 5e 89 48 ba 00 00 00 00 00 fc ff df 48 89 c1
RSP: 0018:ffff88804eda7a18 EFLAGS: 00010046
RAX: dffffc0000000000 RBX: ffff88804fd8b698 RCX: 1ffffffff12bcaf7
RDX: 1ffffffff14683de RSI: 0000000000000000 RDI: ffff88805da02c7c
RBP: ffff88804eda7a48 R08: ffffffff8a341ef0 R09: ffffed1009db4f38
R10: ffffed1009db4f37 R11: 0000000000000003 R12: ffff88804fd8b698
R13: 0000000000000f0a R14: 0000000000000286 R15: dffffc0000000000
 wq_init_lockdep kernel/workqueue.c:3444 [inline]
 alloc_workqueue+0x427/0xe70 kernel/workqueue.c:4263
 hci_register_dev+0x209/0x860 net/bluetooth/hci_core.c:3294
 __vhci_create_device+0x2d0/0x5a0 drivers/bluetooth/hci_vhci.c:139
 vhci_create_device drivers/bluetooth/hci_vhci.c:163 [inline]
 vhci_get_user drivers/bluetooth/hci_vhci.c:219 [inline]
 vhci_write+0x2d0/0x470 drivers/bluetooth/hci_vhci.c:299
 call_write_iter include/linux/fs.h:1863 [inline]
 new_sync_write+0x4c7/0x760 fs/read_write.c:474
 __vfs_write+0xe4/0x110 fs/read_write.c:487
 vfs_write+0x20c/0x580 fs/read_write.c:549
 ksys_write+0xea/0x1f0 fs/read_write.c:598
 __do_sys_write fs/read_write.c:610 [inline]
 __se_sys_write fs/read_write.c:607 [inline]
 __x64_sys_write+0x73/0xb0 fs/read_write.c:607
 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457f29
Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fe1a2109c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fe1a2109c90 RCX: 0000000000457f29
RDX: 0000000000000002 RSI: 0000000020000140 RDI: 0000000000000005
RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe1a210a6d4
R13: 00000000004c6ff5 R14: 00000000004dc918 R15: 0000000000000006
Kernel Offset: disabled
Rebooting in 86400 seconds..