https://llvm.org/bugs/show_bug.cgi?id=23344
Bug ID: 23344
Summary: lldb (local debugging) hangs with no output if
lldb-server exits during launch
Product: lldb
Version: unspecified
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: All Bugs
Assignee: lldb-dev@cs.uiuc.edu
Reporter: vi...@nethacker.com
Classification: Unclassified
lldb waits forever for the lldb-server to reverse connect.
repro steps: hack lldb-server to return at start of main
OBSERVED (threads in lldb)
python [40725] [cores: 12,31]
Thread #1 [python] 40725 (Exiting) [core: 12] (Suspended : User Request)
pthread_join() at pthread_join.c:92 0x7fa90d93c66b
lldb_private::HostThreadPosix::Join() at 0x7fa908b1439c
lldb_private::HostThread::Join() at 0x7fa907c123cd
lldb_private::process_gdb_remote::GDBRemoteCommunication::JoinListenThread() at
0x7fa907d80d46
lldb_private::process_gdb_remote::GDBRemoteCommunication::StartDebugserverProcess()
at 0x7fa907d8296d
lldb_private::process_gdb_remote::ProcessGDBRemote::LaunchAndConnectToDebugserver()
at 0x7fa907dabc40
lldb_private::process_gdb_remote::ProcessGDBRemote::DoLaunch() at
0x7fa907daf71b
lldb_private::Process::Launch() at 0x7fa907ebdfd2
lldb_private::platform_linux::PlatformLinux::DebugProcess() at
0x7fa908ab16ef
lldb_private::Target::Launch() at 0x7fa907ee1550
<...more frames...>
Thread #2 [1:0] 40781 [core: 31] (Suspended : Container)
accept4() at accept4.c:37 0x7fa90d669b1f
lldb_private::Socket::BlockingAccept() at 0x7fa907c1a2df
lldb_private::ConnectionFileDescriptor::SocketListenAndAccept() at
0x7fa908b12ab6
lldb_private::ConnectionFileDescriptor::Connect() at 0x7fa908b13007
lldb_private::process_gdb_remote::GDBRemoteCommunication::ListenThread() at
0x7fa907d80010
lldb_private::HostNativeThreadBase::ThreadCreateTrampoline() at
0x7fa907c11f56
start_thread() at pthread_create.c:312 0x7fa90d93b182
clone() at clone.S:111 0x7fa90d66847d
EXPECTED:
lldb outputs a nice error message
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