Address Sanitizer in Visual Studio causes immediate Simulator crash

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1

Hey all! I'm trying to enable the /fsanitize=address flag in Visual Studio Community 2022 on Windows 11. When I enable that flag, I get the following crash in Simulator:

image


     00007ffc3f656e00()    Unknown
     clang_rt.asan_dbg_dynamic-x86_64.dll!00007ffa204a6d6e()    Unknown
     clang_rt.asan_dbg_dynamic-x86_64.dll!00007ffa204810a5()    Unknown
     clang_rt.asan_dbg_dynamic-x86_64.dll!00007ffa204807e1()    Unknown
     clang_rt.asan_dbg_dynamic-x86_64.dll!00007ffa204ac271()    Unknown
     ucrtbased.dll!00007ffa7a2e4299()    Unknown
     clang_rt.asan_dbg_dynamic-x86_64.dll!00007ffa204bdc35()    Unknown
     clang_rt.asan_dbg_dynamic-x86_64.dll!00007ffa204bdb27()    Unknown
     clang_rt.asan_dbg_dynamic-x86_64.dll!00007ffa204bde55()    Unknown
     clang_rt.asan_dbg_dynamic-x86_64.dll!00007ffa204be051()    Unknown
     ntdll.dll!00007ffb3f5d8b7f()    Unknown
     ntdll.dll!00007ffb3f61d51d()    Unknown
     ntdll.dll!00007ffb3f61d2ce()    Unknown
     ntdll.dll!00007ffb3f61d340()    Unknown
     ntdll.dll!00007ffb3f5ddb0d()    Unknown
     ntdll.dll!00007ffb3f5d8e20()    Unknown
     ntdll.dll!00007ffb3f5c90ac()    Unknown
     ntdll.dll!00007ffb3f5da73a()    Unknown
     KernelBase.dll!00007ffb3ca6b5a2()    Unknown
     KernelBase.dll!00007ffb3ca67641()    Unknown
     KernelBase.dll!00007ffb3cac12df()    Unknown
>    PlaydateSimulator.exe!loadCAPIGame(const char * bundleid, const char * path, const char * * outerr) Line 493    C
     PlaydateSimulator.exe!pd_loadPDX(const char * path, const char * name) Line 1198    C
     PlaydateSimulator.exe!MainFrame::LoadPDX(const wxFileName & filedir) Line 1231    C++
     [Inline Frame] PlaydateSimulator.exe!MainFrame::TryCmdLineLoad() Line 1063    C++
     PlaydateSimulator.exe!MainFrame::OnFirstIdle(wxIdleEvent & event) Line 962    C++
     [External Code]    
     PlaydateSimulator.exe!WinMain(HINSTANCE__ * hInstance, HINSTANCE__ * hPrevInstance, char * lpCmdLine, int nCmdShow) Line 164    C++
     [External Code]

Any ideas why this is happening? It runs fine in the simulator and device without this flag enabled. Let me know what other information would be useful.

2

Line 493 is calling LoadLibraryA() which is loading the game dll in Windows. I'm unsure why this would trigger a violation unless something in the dll is failing.