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

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.4.0
• Component/s: nfs
• Hadoop Flags: Reviewed
• Assignee: Brandon Li
• Reporter: Ted Yu
• Created: 04/Feb/14 22:45
• Updated: 10/Apr/14 13:11
• Resolved: 09/Feb/14 23:16

Description

Here is related code:

      if (MAX_READ_TRANSFER_SIZE < target.getBytes().length) {
        return new READLINK3Response(Nfs3Status.NFS3ERR_IO, postOpAttr, null);
      }

READLINK3Response constructor would dereference the third parameter:

    this.path = new byte[path.length];