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https://issues.apache.org/jira/browse/IMPALA-3833?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16480168#comment-16480168
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ASF subversion and git services commented on IMPALA-3833:
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Commit ab75dd12e49100f153911bef87a9dab810cf9b58 in impala's branch
refs/heads/master from [~pranay_singh]
[ https://git-wip-us.apache.org/repos/asf?p=impala.git;h=ab75dd1 ]
IMPALA-3833: Fix invalid data handling in Sequence and RCFile scanners
Introduced new error message when scanning a corrupt Sequence or RCFile.
Added new checks to detect buffer overrun while handling Sequence or RCFile.
Testing:
a) Made changes to fuzz test for RCFile/Sequence file, ran fuzz test in a loop
with 200 iteration without failure.
b) Ran exhaustive test on the changes without failure.
Change-Id: Ic9cfc38af3f30c65ada9734eb471dbfa6ecdd74a
Reviewed-on: http://gerrit.cloudera.org:8080/8936
Reviewed-by: Tim Armstrong <tarmstr...@cloudera.com>
Tested-by: Impala Public Jenkins <impala-public-jenk...@cloudera.com>
> Fix invalid data handling in Sequence and RCFile scanners
> ---------------------------------------------------------
>
> Key: IMPALA-3833
> URL: https://issues.apache.org/jira/browse/IMPALA-3833
> Project: IMPALA
> Issue Type: Bug
> Components: Backend
> Affects Versions: Impala 2.7.0
> Reporter: Tim Armstrong
> Assignee: Pranay Singh
> Priority: Critical
> Labels: crash, downgraded
>
> The fuzz testing found multiple crashes in sequence and RCFile scanners.
> https://gerrit.cloudera.org/#/c/3448/
> I haven't triaged the crashes, but filing this issue to track them.
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