Off by one bug in com.sun/tools.javac.jvm.ClassReader

[Maurizio Cimadamore]

Hi Remi,
thanks for the report; filed:

https://bugs.openjdk.java.net/browse/JDK-8136453

Maurizio

On 14/09/15 08:15, Remi Forax wrote:
> Hi gang,
> I think Andreas Stefik has found a bug in com.sun.tools.javac.jvm.ClassReader in the code that parse the LocalVariableTable
> and try to guess that a variable is a parameter (to have a nice completion in NetBeans i suppose).
>
> At line 1068 [1], the code should be
>    int newSize = Math.max(register + 1, parameterNameIndices.length + 8);
> otherwise the line 1072 will throw an AIOOBE.
>
> see this thread on the ASM mailing list for the whole story:
>    http://mail.ow2.org/wws/arc/asm/2015-09/msg00005.html
>
> cheers,
> Rémi
>
> http://hg.openjdk.java.net/jdk8u/jdk8u-dev/langtools/file/ebe1e9d17713/src/share/classes/com/sun/tools/javac/jvm/ClassReader.java#l1068