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From "Jonathan Eagles (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-7811) TestUserGroupInformation#testGetServerSideGroups test fails in chroot
Date Wed, 09 Nov 2011 21:17:51 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-7811?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13147296#comment-13147296
] 

Jonathan Eagles commented on HADOOP-7811:
-----------------------------------------

Patch attempts to unify the ways that TestUserGroupInformation.testGetServerSideGroups and
Shell.getGroupsForUserCommand call the unix id command.
                
> TestUserGroupInformation#testGetServerSideGroups test fails in chroot
> ---------------------------------------------------------------------
>
>                 Key: HADOOP-7811
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7811
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: security, test
>    Affects Versions: 0.23.1
>            Reporter: Jonathan Eagles
>            Assignee: Jonathan Eagles
>         Attachments: HADOOP-7811.patch
>
>
> It is common when running in chroot to have root's group vector preserved when running
as your self.
> For example
> # Enter chroot
> $ sudo chroot /myroot
> # still root
> $ whoami
> root
> # switch to user preserving root's group vector
> $ sudo -u user -P -s
> # root's groups
> $ groups root
> a b c
> # user's real groups
> $ groups user
> d e f
> # user's effective groups
> $ groups
> a b c d e f
> -------------------------------

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