jbevain / cecil

Cecil is a library to inspect, modify and create .NET programs and libraries.

Home Page:http://cecil.pe

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ModuleDefinition.ReadModule can throw many (possibly) unexpected exceptions

Metalnem opened this issue · comments

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.