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Posted to commits@harmony.apache.org by "Sian January (JIRA)" <ji...@apache.org> on 2008/02/25 11:44:57 UTC
[jira] Assigned: (HARMONY-5507) [pack200][classlib]
LocalVariableTableAttribute localVariableTableSpanO can be negative
[ https://issues.apache.org/jira/browse/HARMONY-5507?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Sian January reassigned HARMONY-5507:
-------------------------------------
Assignee: Sian January
> [pack200][classlib] LocalVariableTableAttribute localVariableTableSpanO can be negative
> ---------------------------------------------------------------------------------------
>
> Key: HARMONY-5507
> URL: https://issues.apache.org/jira/browse/HARMONY-5507
> Project: Harmony
> Issue Type: Bug
> Components: Classlib
> Environment: All Pack200
> Reporter: Andrew Cornwall
> Assignee: Sian January
> Attachments: mypack.jar, mypack.pack, mypack.pack.e1.gz
>
>
> Unpacking the attached mypack.pack test case, I get an exception:
> Thread [main] (Suspended (exception ArrayIndexOutOfBoundsException))
> ArrayList<E>.get(int) line: 324
> LocalVariableTableAttribute.renumber(List) line: 139
> BcBands.unpack(InputStream) line: 407
> Segment.parseSegment(InputStream) line: 325
> Segment.parse(InputStream) line: 92
> Unpack.main(String[]) line: 36
> This appears to be happening because LocalVariableTableAttribute.lengths[0] == -1107. This is a value passed into LocalVariableTableAttribute(int, int[], int[], CPUTF8[], CPUTF8[], int[]) by ClassBands.parseCodeAttrBands(InputStream, int) .
> I think the decode of this value computed by:
> int[][] localVariableTableSpanO = decodeBandInt(
> "code_LocalVariableTable_span_O", in, Codec.BRANCH5,
> localVariableTableN);
> is not quite right.
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