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From "Yuen-Kuei Hsueh (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-13738) fsck -list-corruptfileblocks has infinite loop if user is not privileged.
Date Sat, 11 Aug 2018 09:16:00 GMT

     [ https://issues.apache.org/jira/browse/HDFS-13738?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Yuen-Kuei Hsueh updated HDFS-13738:
-----------------------------------
    Attachment: HDFS-13738.003.patch

> fsck -list-corruptfileblocks has infinite loop if user is not privileged.
> -------------------------------------------------------------------------
>
>                 Key: HDFS-13738
>                 URL: https://issues.apache.org/jira/browse/HDFS-13738
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: tools
>    Affects Versions: 2.6.0, 3.0.0
>         Environment: Kerberized Hadoop cluster
>            Reporter: Wei-Chiu Chuang
>            Assignee: Yuen-Kuei Hsueh
>            Priority: Major
>         Attachments: HDFS-13738.001.patch, HDFS-13738.002.patch, HDFS-13738.003.patch,
HDFS-13738.test.patch
>
>
> Found an interesting bug.
> Execute following command as any non-privileged user:
> {noformat}
> # run fsck
> $ hdfs fsck / -list-corruptfileblocks
> {noformat}
> {noformat}
> FSCK ended at Mon Jul 16 15:14:03 PDT 2018 in 1 milliseconds
> Access denied for user systest. Superuser privilege is required
> Fsck on path '/' FAILED
> FSCK ended at Mon Jul 16 15:14:03 PDT 2018 in 0 milliseconds
> Access denied for user systest. Superuser privilege is required
> Fsck on path '/' FAILED
> FSCK ended at Mon Jul 16 15:14:03 PDT 2018 in 1 milliseconds
> Access denied for user systest. Superuser privilege is required
> Fsck on path '/' FAILED
> {noformat}
> Reproducible on Hadoop 3.0.0 as well as 2.6.0



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