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https://issues.apache.org/jira/browse/HIVE-7033?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13994102#comment-13994102
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Ashutosh Chauhan commented on HIVE-7033:
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Left a comment on RB. Check of role name existence should be done within
transaction to avoid TOCTOU bug.
> grant statements should check if the role exists
> ------------------------------------------------
>
> Key: HIVE-7033
> URL: https://issues.apache.org/jira/browse/HIVE-7033
> Project: Hive
> Issue Type: Bug
> Components: Authorization, SQLStandardAuthorization
> Affects Versions: 0.13.0
> Reporter: Thejas M Nair
> Assignee: Thejas M Nair
> Attachments: HIVE-7033.1.patch, HIVE-7033.2.patch
>
>
> The following grant statement that grants to a role that does not exist
> succeeds, but it should result in an error.
> > grant all on t1 to role nosuchrole;
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