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https://issues.apache.org/jira/browse/SPARK-9364?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Josh Rosen updated SPARK-9364:
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Description:
UnsafeExternalSorter does not properly update freeSpaceInCurrentPage, which can
cause it to write past the end of memory pages and trigger segfaults.
UnsafeExternalRowSorter has a use-after-free bug when returning the last row
from an iterator.
was:UnsafeExternalSorter does not properly update {{freeSpaceInCurrentPage}},
which can cause it to write past the end of memory pages and trigger segfaults.
> Fix array out of bounds and use-after-free bugs in UnsafeExternalSorter
> ------------------------------------------------------------------------
>
> Key: SPARK-9364
> URL: https://issues.apache.org/jira/browse/SPARK-9364
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 1.5.0
> Reporter: Josh Rosen
> Assignee: Josh Rosen
>
> UnsafeExternalSorter does not properly update freeSpaceInCurrentPage, which
> can cause it to write past the end of memory pages and trigger segfaults.
> UnsafeExternalRowSorter has a use-after-free bug when returning the last row
> from an iterator.
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