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https://issues.apache.org/jira/browse/ZOOKEEPER-1461?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Patrick Hunt updated ZOOKEEPER-1461:
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Fix Version/s: (was: 3.3.6)
> Zookeeper C client doesn't check for NULL before dereferencing in
> prepend_string
> --------------------------------------------------------------------------------
>
> Key: ZOOKEEPER-1461
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1461
> Project: ZooKeeper
> Issue Type: Improvement
> Components: c client
> Affects Versions: 3.3.5
> Reporter: Stephen Tyree
> Assignee: Stephen Tyree
> Attachments: ZOOKEEPER-1461.PATCH
>
> Original Estimate: 0h
> Remaining Estimate: 0h
>
> prepend_string, called before any checks for NULL in the c client for many
> API functions, has this line (zookeeper 3.3.5):
> if (zh->chroot == NULL)
> That means that before you check for NULL, you are dereferencing the pointer.
> This bug does not exist in the 3.4.* branch for whatever reason, but it still
> remains in the 3.3.* line. A patch which fixes it would make the line as
> follows:
> if (zh == NULL || zh->chroot == NULL)
> I would do that for you, but I don't know how to patch the 3.3.5 branch.
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