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https://issues.apache.org/jira/browse/YARN-7197?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16221402#comment-16221402
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Eric Yang commented on YARN-7197:
---------------------------------

[~ebadger] Any other concern about this feature?  I will commit this, if there 
is no other objection.

> Add support for a volume blacklist for docker containers
> --------------------------------------------------------
>
>                 Key: YARN-7197
>                 URL: https://issues.apache.org/jira/browse/YARN-7197
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: yarn
>            Reporter: Shane Kumpf
>            Assignee: Eric Yang
>         Attachments: YARN-7197.001.patch, YARN-7197.002.patch
>
>
> Docker supports bind mounting host directories into containers. Work is 
> underway to allow admins to configure a whilelist of volume mounts. While 
> this is a much needed and useful feature, it opens the door for 
> misconfiguration that may lead to users being able to compromise or crash the 
> system. 
> One example would be allowing users to mount /run from a host running 
> systemd, and then running systemd in that container, rendering the host 
> mostly unusable.
> This issue is to add support for a default blacklist. The default blacklist 
> would be where we put files and directories that if mounted into a container, 
> are likely to have negative consequences. Users are encouraged not to remove 
> items from the default blacklist, but may do so if necessary.



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