GitHub user brettKK opened a pull request:
https://github.com/apache/zookeeper/pull/496
ZOOKEEPER-3008: Potential NPE in SaslQuorumAuthLearner#authenticate and
SaslQuorumAuthServer#authenticate
@LJ1043041006 found a potential NPE in ZK
----
callee :SecurityUtils#createSaslClient will return null while encounter
exception
```
// code placeholder
catch (Exception e) {
LOG.error("Exception while trying to create SASL client", e);
return null;
}
```
but its caller has no null check just like:
-----
and caller ReferenceCountedACLCache#deserialize call it without null check
```
// code placeholder
sc = SecurityUtils.createSaslClient();
if (sc.hasInitialResponse()) {
responseToken = createSaslToken(new byte[0], sc, learnerLogin);
}
```
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/brettKK/zookeeper ZOOKEEPER-3008
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/zookeeper/pull/496.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #496
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commit 7d8d5230c5a87faef94d038a258b159a322f3f5e
Author: gongleigl.gong <gongleigl.gong@...>
Date: 2018-03-26T13:16:06Z
d
commit 700dfb7f48f774dd215e5bf19340a4b61eda3397
Author: gongleigl.gong <gongleigl.gong@...>
Date: 2018-03-27T16:38:28Z
fix NPE bug
commit 1ad4da8fc0269378fb2f43975954b5553b0c00e5
Author: gongleigl.gong <gongleigl.gong@...>
Date: 2018-03-28T08:58:24Z
NPE inZOOKEEPER-3008
commit 4458bb32d5813272e0bf0d34364b082e51cad3ed
Author: gongleigl.gong <gongleigl.gong@...>
Date: 2018-03-28T09:01:10Z
del unuse
commit 7fad1997be2a0401582ab315d60943475ebe1ef1
Author: gongleigl.gong <gongleigl.gong@...>
Date: 2018-03-28T09:02:32Z
keep up with master
commit 765180fd82a554a2da1c7324843bfe99b8d0a4ed
Author: gongleigl.gong <gongleigl.gong@...>
Date: 2018-03-28T09:04:50Z
add NPE place
----
---
