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ModuleDefinition.ReadModule can throw many (possibly) unexpected exceptions #556

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Metalnem opened this Issue Dec 24, 2018 · 0 comments

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Metalnem commented Dec 24, 2018

ModuleDefinition.ReadModule can throw many (possibly) unexpected exceptions when reading modules from the attached archive. These are:

  • ArgumentNullOrEmptyException
  • ArgumentOutOfRangeException
  • AssemblyResolutionException
  • IndexOutOfRangeException
  • NullReferenceException
  • OverflowException

ModuleDefinition.ReadModule usually throws BadImageFormatException, NotImplementedException, and NotSupportedException when attempting to read malformed modules, so I'm not really sure which exceptions are really expected. You can run the following code to reproduce this (the path variable should contain the path to one of the extracted files):

ModuleDefinition.ReadModule(path, new ReaderParameters(ReadingMode.Immediate));

Found via SharpFuzz.

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