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https://issues.apache.org/jira/browse/YARN-2847?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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chang li updated YARN-2847:
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Attachment: yarn2847notest.patch
patch with no test
> Linux native container executor segfaults if default banned user detected
> -------------------------------------------------------------------------
>
> Key: YARN-2847
> URL: https://issues.apache.org/jira/browse/YARN-2847
> Project: Hadoop YARN
> Issue Type: Bug
> Components: nodemanager
> Affects Versions: 2.5.0
> Reporter: Jason Lowe
> Assignee: chang li
> Attachments: yarn2847notest.patch
>
>
> The check_user function in container-executor.c can cause a segmentation
> fault if banned.users is not provided but the user is detected as one of the
> default users. In that scenario it will call free_values on a NULL pointer.
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