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From nongli <...@git.apache.org>
Subject [GitHub] spark pull request: [SPARK-12030] Fix Platform.copyMemory to handl...
Date Tue, 01 Dec 2015 17:32:18 GMT
GitHub user nongli opened a pull request:

    https://github.com/apache/spark/pull/10068

    [SPARK-12030] Fix Platform.copyMemory to handle overlapping regions.

    This bug was exposed as memory corruption in Timsort which uses copyMemory to copy
    large regions that can overlap. The prior implementation did not handle this case
    half the time and always copied forward, resulting in the data being corrupt.

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/nongli/spark spark-12030

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/spark/pull/10068.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #10068
    
----
commit ebf4d10fcfcf956af2edf7e033b8da609c32eb44
Author: Nong Li <nong@databricks.com>
Date:   2015-12-01T17:28:05Z

    [SPARK-12030] Fix Platform.copyMemory to handle overlapping regions.
    
    This bug was exposed as memory corruption in Timsort which uses copyMemory to copy
    large regions that can overlap. The prior implementation did not handle this case
    half the time and always copied forward, resulting in the data being corrupt.

----


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