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From "Olaf Flebbe (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-2847) Linux native container executor segfaults if default banned user detected
Date Thu, 12 Feb 2015 20:19:11 GMT

     [ https://issues.apache.org/jira/browse/YARN-2847?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Olaf Flebbe updated YARN-2847:
------------------------------
    Attachment: YARN-2487.05.trunk.patch

PATCH from YARN-3180 does not use uninitialized variable, please review

> 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, 2.4.1, 2.6.0
>            Reporter: Jason Lowe
>            Assignee: Chang Li
>         Attachments: YARN-2487.04.trunk.patch, YARN-2487.05.trunk.patch, yarn2847.patch,
yarn2847.patch, 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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