(lldb) bt
* thread #1, name = 'lldb-server', stop reason = SIGSEGV
    frame #0: 0x00007f39e529c993 libc.so.6`__pthread_kill_internal(signo=11, threadid=<unavailable>) at pthread_kill.c:46:37
    frame #1: 0x00007f39e529c968 libc.so.6`__GI___pthread_kill(threadid=<unavailable>, signo=11) at pthread_kill.c:62:10
    frame #2: 0x00007f39e52444ad libc.so.6`__GI_raise(sig=11) at raise.c:26:13
    frame #3: 0x000056027c8ff0d2 lldb-server`SignalHandler(int, siginfo_t*, void*) + 322
    frame #4: 0x00007f39e5244560 libc.so.6`__restore_rt at libc_sigaction.c:13
  * frame #5: 0x000056027c94fe48 lldb-server`lldb_private::process_linux::GetPtraceScope() + 72
    frame #6: 0x000056027c92f94f lldb-server`lldb_private::process_linux::NativeProcessLinux::Attach(int) + 1087
    frame #7: 0x000056027c92f405 lldb-server`lldb_private::process_linux::NativeProcessLinux::Manager::Attach(unsigned long, lldb_private::NativeProcessProtocol::NativeDelegate&) + 197
    frame #8: 0x000056027c981d0a lldb-server`lldb_private::process_gdb_remote::GDBRemoteCommunicationServerLLGS::AttachToProcess(unsigned long) + 202
    frame #9: 0x000056027c97d7eb lldb-server`lldb_private::process_gdb_remote::GDBRemoteCommunicationServerLLGS::Handle_vAttach(StringExtractorGDBRemote&) + 187
    frame #10: 0x000056027c98c009 lldb-server`std::_Function_handler<lldb_private::process_gdb_remote::GDBRemoteCommunication::PacketResult (StringExtractorGDBRemote&, lldb_private::Status&, bool&, bool&), void lldb_private::process_gdb_remote::GDBRemoteCommunicationServerCommon::RegisterMemberFunctionHandler<lldb_private::process_gdb_remote::GDBRemoteCommunicationServerLLGS>(StringExtractorGDBRemote::ServerPacketType, lldb_private::process_gdb_remote::GDBRemoteCommunication::PacketResult (lldb_private::process_gdb_remote::GDBRemoteCommunicationServerLLGS::*)(StringExtractorGDBRemote&))::'lambda'(StringExtractorGDBRemote, lldb_private::Status&, bool&, bool&)>::_M_invoke(std::_Any_data const&, StringExtractorGDBRemote&, lldb_private::Status&, bool&, bool&) + 201
    frame #11: 0x000056027c967d95 lldb-server`lldb_private::process_gdb_remote::GDBRemoteCommunicationServer::GetPacketAndSendResponse(lldb_private::Timeout<std::ratio<1l, 1000000l>>, lldb_private::Status&, bool&, bool&) + 469
    frame #12: 0x000056027c986308 lldb-server`lldb_private::process_gdb_remote::GDBRemoteCommunicationServerLLGS::DataAvailableCallback() + 104
    frame #13: 0x000056027c926ec8 lldb-server`lldb_private::MainLoopPosix::Run() + 408
    frame #14: 0x000056027c8b57a9 lldb-server`main_gdbserver(int, char**) + 5625
    frame #15: 0x000056027c8bb773 lldb-server`main + 195
    frame #16: 0x00007f39e522c657 libc.so.6`__libc_start_call_main(main=(lldb-server`main), argc=5, argv=0x00007fffdde41a68) at libc_start_call_main.h:58:16
    frame #17: 0x00007f39e522c718 libc.so.6`__libc_start_main_impl(main=(lldb-server`main), argc=5, argv=0x00007fffdde41a68, init=<unavailable>, fini=<unavailable>, rtld_fini=<unavailable>, stack_end=0x00007fffdde41a58) at libc-start.c:409:3
    frame #18: 0x000056027c8b30d1 lldb-server`_start + 33