Stephen Tyree created ZOOKEEPER-1461:
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Summary: 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
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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