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From "Jason Lowe (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-7455) quote_and_append_arg can overflow buffer
Date Fri, 01 Dec 2017 21:47:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-7455?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16275037#comment-16275037
] 

Jason Lowe commented on YARN-7455:
----------------------------------

Thanks for updating the patch!  The test failure is unrelated and tracked by YARN-7594.

+1 for the latest patch.  Committing this.


> quote_and_append_arg can overflow buffer
> ----------------------------------------
>
>                 Key: YARN-7455
>                 URL: https://issues.apache.org/jira/browse/YARN-7455
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: nodemanager
>    Affects Versions: 2.9.0, 3.0.0
>            Reporter: Jason Lowe
>            Assignee: Jim Brennan
>         Attachments: YARN-7455.001.patch, YARN-7455.002.patch, YARN-7455.003.patch
>
>
> While reviewing YARN-7197 I noticed that add_mounts in docker_util.c has a potential
buffer overflow since tmp_buffer is only 1024 bytes which may not be sufficient to hold the
specified mount path.



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