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https://issues.apache.org/jira/browse/ZOOKEEPER-2186?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14543381#comment-14543381
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Hadoop QA commented on ZOOKEEPER-2186:
--------------------------------------
-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12732809/ZOOKEEPER-2186-v3.4.patch
against trunk revision 1679313.
+1 @author. The patch does not contain any @author tags.
-1 tests included. The patch doesn't appear to include any new or modified
tests.
Please justify why no new tests are needed for this
patch.
Also please list what manual steps were performed to
verify this patch.
-1 patch. The patch command could not apply the patch.
Console output:
https://builds.apache.org/job/PreCommit-ZOOKEEPER-Build/2697//console
This message is automatically generated.
> QuorumCnxManager#receiveConnection may crash with random input
> --------------------------------------------------------------
>
> Key: ZOOKEEPER-2186
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2186
> Project: ZooKeeper
> Issue Type: Bug
> Components: server
> Affects Versions: 3.4.6, 3.5.0
> Reporter: Raul Gutierrez Segales
> Assignee: Raul Gutierrez Segales
> Fix For: 3.4.7, 3.5.1, 3.6.0
>
> Attachments: ZOOKEEPER-2186-v3.4.patch, ZOOKEEPER-2186.patch,
> ZOOKEEPER-2186.patch, ZOOKEEPER-2186.patch
>
>
> This will allocate an arbitrarily large byte buffer (and try to read it!):
> {code}
> public boolean receiveConnection(Socket sock) {
> Long sid = null;
> ...
> sid = din.readLong();
> // next comes the #bytes in the remainder of the message
>
> int num_remaining_bytes = din.readInt();
> byte[] b = new byte[num_remaining_bytes];
> // remove the remainder of the message from din
>
> int num_read = din.read(b);
> {code}
> This will crash the QuorumCnxManager thread, so the cluster will keep going
> but future elections might fail to converge (ditto for leaving/joining
> members).
> Patch coming up in a bit.
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