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From "Robert Kanter (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-6472) Improve Java sandbox regex
Date Fri, 21 Apr 2017 21:58:04 GMT

     [ https://issues.apache.org/jira/browse/YARN-6472?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Robert Kanter updated YARN-6472:
--------------------------------
    Summary: Improve Java sandbox regex  (was: Possible Java sandbox improvements)

> Improve Java sandbox regex
> --------------------------
>
>                 Key: YARN-6472
>                 URL: https://issues.apache.org/jira/browse/YARN-6472
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Miklos Szegedi
>            Assignee: Greg Phillips
>         Attachments: YARN-6472.001.patch, YARN-6472.002.patch
>
>
> I set the sandbox to enforcing mode. Unfortunately I was able to break out of the sandbox
running native code with the following command:
> {code}
>         cmd = "$JAVA_HOME/bin/java %s -Xmx825955249 org.apache.hadoop.yarn.applications.helloworld.HelloWorld
`touch ../../helloworld`" + \
>               " 1><LOG_DIR>/AppMaster.stdout 2><LOG_DIR>/AppMaster.stderr"
> $ ls .../nm-local-dir/usercache/root/appcache/
> helloworld
> {code}
> Also, if I am not using sandboxes, could we create the nm-sandbox-policies directory
(empty) lazily?



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