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From "Josh Rosen (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (SPARK-22997) Add additional defenses against use of freed MemoryBlocks
Date Wed, 10 Jan 2018 08:48:00 GMT

     [ https://issues.apache.org/jira/browse/SPARK-22997?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Josh Rosen resolved SPARK-22997.
--------------------------------
       Resolution: Fixed
    Fix Version/s: 2.3.0

Fixed for 2.3.0.

> 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
>             Fix For: 2.3.0
>
>
> 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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