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Date: Wed, 16 Jul 2014 19:47:12 +0000 (UTC)
From: "Brandon Li (JIRA)" <jira@apache.org>
To: hdfs-issues@hadoop.apache.org
Message-ID: <JIRA.12727474.1405458544420.56732.1405540032406@arcas>
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Subject: [jira] [Updated] (HDFS-6689) NFS doesn't return correct lookup
 access for directories
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     [ https://issues.apache.org/jira/browse/HDFS-6689?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Brandon Li updated HDFS-6689:
-----------------------------

    Fix Version/s: 2.6.0

> NFS doesn't return correct lookup access for directories
> --------------------------------------------------------
>
>                 Key: HDFS-6689
>                 URL: https://issues.apache.org/jira/browse/HDFS-6689
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: nfs
>    Affects Versions: 2.2.0
>            Reporter: Yesha Vora
>            Assignee: Brandon Li
>             Fix For: 2.6.0
>
>         Attachments: HDFS-6689.patch
>
>
> NFS does not allow other user to access a file with 644 permission and a parent with 711 access right.
> Steps to reproduce:
> 1. Create a directory /user/userX with 711 permissions
> 2. Upload a file at /user/userX/TestFile with 644 as userX 
> 3. Try to access WriteTest as userY.
>      HDFS will allow to read TestFile. 
> {noformat}
> bash-4.1$ id
> uid=661(userY) gid=100(users) groups=100(users),13016(groupY)
> bash-4.1$ hdfs dfs -cat /user/userX/TestFile
> create a file with some content
> {noformat}
>      NFS will not allow to read TestFile.
> {noformat}
> bash-4.1$ cat /tmp/tmp_mnt/user/userX/TestFile
> cat: /tmp/tmp_mnt/user/userX/TestFile: Permission denied
> {noformat}


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