Change the InvalidDataException to include the object that threw the validation error.

volatility/framework/exceptions.py

@@ -41,6 +41,10 @@ class PagedInvalidAddressException(InvalidAddressException):
 class InvalidDataException(VolatilityException):
     """Thrown when an object contains some data known to be invalid for that structure"""
 
+    def __init__(self, invalid_object, *args):
+        super.__init__(invalid_object, *args)
+        self._invalid_object = invalid_object
+
 
 class SymbolSpaceError(VolatilityException):
     """Thrown when an error occurs dealing with Symbols and Symbolspaces"""