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Posted to hdfs-issues@hadoop.apache.org by "Brandon Li (JIRA)" <ji...@apache.org> on 2014/02/08 00:07:36 UTC

[jira] [Commented] (HDFS-5886) Potential null pointer deference in RpcProgramNfs3#readlink()

    [ https://issues.apache.org/jira/browse/HDFS-5886?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13895216#comment-13895216 ] 

Brandon Li commented on HDFS-5886:
----------------------------------

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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