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[llvm-pdbutil] Crash while printing symbols for PDB generated by MS Visual Studio 2019. #55214

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CarlosAlbertoEnciso opened this issue May 1, 2022 · 2 comments
Open

[llvm-pdbutil] Crash while printing symbols for PDB generated by MS Visual Studio 2019. #55214

CarlosAlbertoEnciso opened this issue May 1, 2022 · 2 comments
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bug Indicates an unexpected problem or unintended behavior debuginfo llvm:crash llvm-tools All llvm tools that do not have corresponding tag

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@CarlosAlbertoEnciso
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CarlosAlbertoEnciso commented May 1, 2022 •
edited by VoltrexKeyva

Using the following command line:
llvm-pdbutil dump --symbols msvc-codeview-pdb.pdb
it causes a crash in llvm/lib/DebugInfo/PDB/Native/DbiModuleList.cpp

uint32_t DbiModuleList::getModuleCount() const {
  return FileInfoHeader->NumModules;
}

As FileInfoHeader is null.

However llvm-pdbutil dump --symbols msvc-codeview-pdb.o is fine.

The attached reproducible files were generate by MS Visual Studio 2019 (Version 16.11.13)
crash-llvm-pdbutil.zip

The object files were generated using the command line:
cl.exe /nologo /EHsc /Od /Zi /Fomsvc-codeview-pdb.o /Fdmsvc-codeview-pdb.pdb /c test.cpp
@CarlosAlbertoEnciso CarlosAlbertoEnciso added bug Indicates an unexpected problem or unintended behavior llvm-tools All llvm tools that do not have corresponding tag debuginfo llvm:crash labels May 1, 2022
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llvmbot commented May 1, 2022

@llvm/issue-subscribers-bug

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llvmbot commented May 1, 2022

@llvm/issue-subscribers-debuginfo

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