Stuck on an issue?

Lightrun Answers was designed to reduce the constant googling that comes with debugging 3rd party libraries. It collects links to all the places you might be looking at while hunting down a tough bug.

And, if you’re still stuck at the end, we’re happy to hop on a call to see how we can help out.

Debugger (vsdbg-ui) crashes on OSX when using 'embedded' symbols

See original GitHub issue

Environment data

C# Extension version: 1.9 Operating system: OSX

Steps to reproduce

Create a new console app
Open the .csproj and add this property: <DebugType>embedded</DebugType>
F5

Expected behavior

Debugging works

Actual behavior

Get an error ‘Debug adapter process has terminated unexpectedly’. If you look it crash reporter, you will see, for example that the crash is happening in MakeStream

...
Crashed Thread:        18

Exception Type:        EXC_BAD_ACCESS (SIGSEGV)
Exception Codes:       KERN_INVALID_ADDRESS at 0x000000000102031c
...
Thread 18 Crashed:
0   libsystem_malloc.dylib        	0x00007fffbbd8f27e malloc_zone_malloc + 103
1   libvsbaseservices.dylib       	0x000000010a7d63f8 HeapAlloc + 40
2   libvsdebugeng.impl.dylib      	0x000000010ab2c11e MakeStream(unsigned char const*, unsigned int, IStream**) + 46
3   libvsdebugeng.impl.dylib      	0x000000010ab03fc8 SymProvider::CDiaLoader::LoadSymbolsForModuleInstance(Microsoft::VisualStudio::Debugger::DkmModuleInstance*) + 312
4   libvsdebugeng.dylib           	0x000000010acd3cc2 dispatcher::DkmModuleInstance::FireCreateEvent() + 274
5   libvsdebugeng.dylib           	0x000000010acd3acd dispatcher::Clr::DkmClrModuleInstance::Create(_GUID const&, dispatcher::DkmString*, dispatcher::DkmString*, unsigned long, dispatcher::DkmModuleVersion*, dispatcher::Symbols::DkmSymbolFileId*, dispatcher::DkmModuleFlags, dispatcher::DkmModuleMemoryLayout, unsigned long, unsigned int, unsigned int, dispatcher::DkmString*, dispatcher::Clr::DkmClrRuntimeInstance*, _GUID const&, dispatcher::Clr::DkmClrModuleFlags, dispatcher::Clr::DkmClrAppDomain*, unsigned int, bool, dispatcher::Symbols::DkmModule*, dispatcher::DkmModuleInstance::MinidumpInfo const*, dispatcher::DkmDataItem const&, dispatcher::Clr::DkmClrModuleInstance**) + 957
6   libvsdebugeng.dylib           	0x000000010acd4175 ProcAEA58B7861C86E08A55546A1C4D0ACAD + 229
7   libvsdebugeng.impl.dylib      	0x000000010aa9512c ManagedDM::CDbiCallback::DoLoadModuleImpl(ManagedDM::CClrInstance*, unsigned int, Microsoft::VisualStudio::Debugger::Clr::DkmClrAppDomain*, ICorDebugModule*, Microsoft::VisualStudio::Debugger::DkmModuleFlags, Microsoft::VisualStudio::Debugger::DkmString*, Microsoft::VisualStudio::Debugger::Clr::DkmClrModuleInstance**, ManagedDM::CDMModule**) + 2604
8   libvsdebugeng.impl.dylib      	0x000000010aa95d4d ManagedDM::CDbiCallback::DoLoadModule(ICorDebugAppDomain*, ICorDebugModule*, Microsoft::VisualStudio::Debugger::DkmModuleFlags, Microsoft::VisualStudio::Debugger::Clr::DkmClrModuleInstance**) + 253