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Posted to issues@spark.apache.org by "Josh Rosen (JIRA)" <ji...@apache.org> on 2018/01/08 23:48:00 UTC

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

Josh Rosen created SPARK-22997:
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             Summary: 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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