stan/jdk-24
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

8041717: Issue with class file parser

Browse Source 
Add better checking for bad values.

Reviewed-by: coleenp, lfoltan, mschoene
This commit is contained in:
Harold Seigel 2014-05-30 13:23:27 -04:00
parent f203dcbfbf
commit 9f06aa633c
1 changed files with 5 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
hotspot/src/share/vm/classfile/classFileParser.cpp
View File

@ -2859,6 +2859,11 @@ void ClassFileParser::parse_classfile_bootstrap_methods_attribute(u4 attribute_b
"bootstrap_method_index %u has bad constant type in class file %s",
bootstrap_method_index,
CHECK);
guarantee_property((operand_fill_index + 1 + argument_count) < operands->length(),
"Invalid BootstrapMethods num_bootstrap_methods or num_bootstrap_arguments value in class file %s",
CHECK);
operands->at_put(operand_fill_index++, bootstrap_method_index);
operands->at_put(operand_fill_index++, argument_count);
@ -2875,8 +2880,6 @@ void ClassFileParser::parse_classfile_bootstrap_methods_attribute(u4 attribute_b
}
}
assert(ConstantPool::operand_array_length(operands) == attribute_array_length, "correct decode");
u1* current_end = cfs->current();
guarantee_property(current_end == current_start + attribute_byte_length,
"Bad length on BootstrapMethods in class file %s",