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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2018/01/08 23:56:00 UTC

[jira] [Commented] (SPARK-22997) Add additional defenses against use of freed MemoryBlocks

    [ https://issues.apache.org/jira/browse/SPARK-22997?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16317373#comment-16317373 ] 

Apache Spark commented on SPARK-22997:
--------------------------------------

User 'JoshRosen' has created a pull request for this issue:
https://github.com/apache/spark/pull/20191

> Add additional defenses against use of freed MemoryBlocks
> ---------------------------------------------------------
>
>                 Key: SPARK-22997
>                 URL: https://issues.apache.org/jira/browse/SPARK-22997
>             Project: Spark
>          Issue Type: Improvement
>          Components: Spark Core
>    Affects Versions: 2.3.0
>            Reporter: Josh Rosen
>            Assignee: Josh Rosen
>
> We can add additional assertions to Spark's {{MemoryAllocator}} classes in order to guard against a class of dangerous use-after-free bugs (which could cause segfaults or data corruption).



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