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8034926: Attribute classes properly

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Add check to prevent underflow

Reviewed-by: coleenp, ahgross
This commit is contained in:
Harold Seigel 2014-02-20 13:11:23 -05:00
parent 87a0f4a044
commit 9099e9ddcc
1 changed files with 5 additions and 0 deletions
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5
hotspot/src/share/vm/classfile/classFileParser.cpp
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@ -2777,6 +2777,11 @@ void ClassFileParser::parse_classfile_bootstrap_methods_attribute(u4 attribute_b
"Short length on BootstrapMethods in class file %s",
CHECK);
guarantee_property(attribute_byte_length > sizeof(u2),
"Invalid BootstrapMethods attribute length %u in class file %s",
attribute_byte_length,
CHECK);
// The attribute contains a counted array of counted tuples of shorts,
// represending bootstrap specifiers:
// length*{bootstrap_method_index, argument_count*{argument_index}}