vhci_hcd: disconnect device
vhci_hcd: stop threads
vhci_hcd: release socket
vhci_hcd: disconnect device
------------[ cut here ]------------
WARNING: CPU: 1 PID: 8002 at net/bluetooth/hci_conn.c:404 hci_conn_timeout+0x1ef/0x3f0 net/bluetooth/hci_conn.c:404
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 8002 Comm: kworker/u5:1 Not tainted 4.14.292-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022
Workqueue: hci4 hci_conn_timeout
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 lib/dump_stack.c:58
 panic+0x1f9/0x42d kernel/panic.c:183
 __warn.cold+0x20/0x44 kernel/panic.c:547
 report_bug+0x208/0x250 lib/bug.c:183
 fixup_bug arch/x86/kernel/traps.c:177 [inline]
 fixup_bug arch/x86/kernel/traps.c:172 [inline]
 do_error_trap+0x195/0x2d0 arch/x86/kernel/traps.c:295
 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:964
RIP: 0010:hci_conn_timeout+0x1ef/0x3f0 net/bluetooth/hci_conn.c:404
RSP: 0018:ffff8880a0ff7d30 EFLAGS: 00010297
RAX: ffff8880a0c44000 RBX: ffff888098258160 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 00000000ffffffff RDI: ffff888098258050
RBP: ffff888098258160 R08: 0000000000000001 R09: ffffffff8ae15d70
R10: 0000000000146639 R11: ffff8880a0c44000 R12: ffff888098258040
R13: 00000000ffffffff R14: ffff8880b295c8c0 R15: ffff8880b4d7c800
 process_one_work+0x793/0x14a0 kernel/workqueue.c:2117
 worker_thread+0x5cc/0xff0 kernel/workqueue.c:2251
 kthread+0x30d/0x420 kernel/kthread.c:232
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
Kernel Offset: disabled
Rebooting in 86400 seconds..