ExcelReaderFactory.CreateBinaryReader can throw unexpected exceptions #383

In most cases, ExcelReaderFactory.CreateBinaryReader throws an ExcelReaderException when encountering an invalid input. However, it can throw several other exception types when opening files from the attached archive. These are:

• ArgumentOutOfRangeException
• FormatException
• InvalidOperationException

You can run the following code to reproduce this (path should contain the path to one of the extracted files):

Encoding.RegisterProvider(CodePagesEncodingProvider.Instance);

using (var file = File.OpenRead(path))
{
  ExcelReaderFactory.CreateBinaryReader(file);
}

Found via SharpFuzz.