aperez1@aperez1-mn2 MacOS % lldb ./SCSI2SD-util-v6
(lldb) target create "./SCSI2SD-util-v6"
Current executable set to './SCSI2SD-util-v6' (x86_64).
(lldb) run
Process 74366 launched: '/Users/aperez1/Downloads/SCSI2SD-util-v6.app/Contents/MacOS/SCSI2SD-util-v6' (x86_64)
Process 74366 stopped
* thread #12, stop reason = EXC_BAD_ACCESS (code=1, address=0x8)
    frame #0: 0x00000001000027fb SCSI2SD-util-v6`SCSI2SD::HID::sendHIDPacket(std::__1::vector<unsigned char, std::__1::allocator<unsigned char> > const&, std::__1::vector<unsigned char, std::__1::allocator<unsigned char> >&, unsigned long) + 379
SCSI2SD-util-v6`SCSI2SD::HID::sendHIDPacket:
->  0x1000027fb <+379>: movq   0x8(%rax), %rdi
    0x1000027ff <+383>: movl   $0x41, %edx
    0x100002804 <+388>: callq  0x10000c160               ; hid_write
    0x100002809 <+393>: movl   %eax, -0xcc(%rbp)
Target 0: (SCSI2SD-util-v6) stopped.
(lldb) bt
* thread #12, stop reason = EXC_BAD_ACCESS (code=1, address=0x8)
  * frame #0: 0x00000001000027fb SCSI2SD-util-v6`SCSI2SD::HID::sendHIDPacket(std::__1::vector<unsigned char, std::__1::allocator<unsigned char> > const&, std::__1::vector<unsigned char, std::__1::allocator<unsigned char> >&, unsigned long) + 379
    frame #1: 0x0000000100002bf5 SCSI2SD-util-v6`SCSI2SD::HID::readSector(unsigned int, std::__1::vector<unsigned char, std::__1::allocator<unsigned char> >&) + 117
    frame #2: 0x0000000100015e5a SCSI2SD-util-v6`-[AppDelegate loadFromDeviceThread:] + 858
    frame #3: 0x00007fff312f5882 Foundation`__NSThread__start__ + 1064
    frame #4: 0x00007fff68db7109 libsystem_pthread.dylib`_pthread_start + 148
    frame #5: 0x00007fff68db2b8b libsystem_pthread.dylib`thread_start + 15
(lldb)