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https://issues.apache.org/jira/browse/HDFS-5886?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13895216#comment-13895216
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Brandon Li commented on HDFS-5886:
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Thank you, Ted, for finding the problem.
> 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
> 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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