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Posted to hdfs-issues@hadoop.apache.org by "Wei-Chiu Chuang (JIRA)" <ji...@apache.org> on 2018/08/03 14:39:01 UTC
[jira] [Commented] (HDFS-13738) fsck -list-corruptfileblocks has
infinite loop if user is not privileged.
[ https://issues.apache.org/jira/browse/HDFS-13738?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16568271#comment-16568271 ]
Wei-Chiu Chuang commented on HDFS-13738:
----------------------------------------
Thanks for the patch, the fix looks good to me. Would you also like to contribute a test case as well?
For the starter, you can add test methods in TestFsck class.
> 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.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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