Chris Douglas created MAPREDUCE-5032:
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             Summary: MapTask.MapOutputBuffer contains arithmetic overflows
                 Key: MAPREDUCE-5032
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5032
             Project: Hadoop Map/Reduce
          Issue Type: Bug
          Components: task
    Affects Versions: 0.23.5, 2.0.3-alpha, 1.1.1
            Reporter: Chris Douglas
            Assignee: Chris Douglas


There are several places where offsets into the collection buffer can overflow 
when applied to large buffers. These should be accommodated.

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