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https://issues.apache.org/jira/browse/YARN-11231?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17655278#comment-17655278
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ASF GitHub Bot commented on YARN-11231:
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skysiders closed pull request #4629: YARN-11231 modify destinationTmp
permission from 755 to 777
URL: https://github.com/apache/hadoop/pull/4629
> FSDownload set wrong permission in destinationTmp
> -------------------------------------------------
>
> Key: YARN-11231
> URL: https://issues.apache.org/jira/browse/YARN-11231
> Project: Hadoop YARN
> Issue Type: Bug
> Components: yarn
> Reporter: Zhang Dongsheng
> Priority: Major
> Labels: pull-request-available
> Time Spent: 20m
> Remaining Estimate: 0h
>
> FSDownload calls createDir in the call method to create the destinationTmp
> directory, which is later used as the parent directory to create the
> directory dFinal, which is used in doAs to perform operations such as path
> creation and path traversal. doAs cannot determine the user's identity, so
> there is a problem with setting 755 permissions for destinationTmp here, I
> think it should be set to 777 permissions here.
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