Mercurial > hg > truffle
changeset 17558:9b289963cb9a jdk8u5-b12
8034926: Attribute classes properly
Summary: Add check to prevent underflow
Reviewed-by: coleenp, ahgross
author | hseigel |
---|---|
date | Thu, 20 Feb 2014 13:30:59 -0500 |
parents | c96a3381e55e |
children | 8a6717910608 |
files | src/share/vm/classfile/classFileParser.cpp |
diffstat | 1 files changed, 6 insertions(+), 1 deletions(-) [+] |
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--- a/src/share/vm/classfile/classFileParser.cpp Fri Feb 28 02:43:16 2014 -0800 +++ b/src/share/vm/classfile/classFileParser.cpp Thu Feb 20 13:30:59 2014 -0500 @@ -1,5 +1,5 @@ /* - * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -2777,6 +2777,11 @@ "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}}