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https://issues.apache.org/jira/browse/HDFS-5886?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13896401#comment-13896401
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Hudson commented on HDFS-5886:
------------------------------
SUCCESS: Integrated in Hadoop-Yarn-trunk #477 (See
[https://builds.apache.org/job/Hadoop-Yarn-trunk/477/])
HDFS-5886. Potential null pointer deference in RpcProgramNfs3#readlink().
Contributed by Brandon Li (brandonli:
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1566468)
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs-nfs/src/main/java/org/apache/hadoop/hdfs/nfs/nfs3/RpcProgramNfs3.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
> Potential null pointer deference in RpcProgramNfs3#readlink()
> -------------------------------------------------------------
>
> Key: HDFS-5886
> URL: https://issues.apache.org/jira/browse/HDFS-5886
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: nfs
> Reporter: Ted Yu
> Assignee: Brandon Li
> Fix For: 2.4.0
>
> Attachments: HDFS-5886.patch
>
>
> Here is related code:
> {code}
> if (MAX_READ_TRANSFER_SIZE < target.getBytes().length) {
> return new READLINK3Response(Nfs3Status.NFS3ERR_IO, postOpAttr, null);
> }
> {code}
> READLINK3Response constructor would dereference the third parameter:
> {code}
> this.path = new byte[path.length];
> {code}
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