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From "Colin Patrick McCabe (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-8275) Range check DelegationKey length
Date Wed, 02 May 2012 01:52:48 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-8275?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13266290#comment-13266290
] 

Colin Patrick McCabe commented on HADOOP-8275:
----------------------------------------------

bq. Forgot to mention, jira for other places where we need to use readVInt range checking?

I think HDFS-3134 takes care of all the other cases.  It also adds a fuzz tester for the edit
log.

I filed HDFS-3346 for FSImage fuzz testing.
                
> Range check DelegationKey length 
> ---------------------------------
>
>                 Key: HADOOP-8275
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8275
>             Project: Hadoop Common
>          Issue Type: Bug
>    Affects Versions: 0.23.0
>            Reporter: Colin Patrick McCabe
>            Assignee: Colin Patrick McCabe
>            Priority: Minor
>             Fix For: 2.0.0
>
>         Attachments: HADOOP-8275.001.patch, HADOOP-8275.002.patch, HADOOP-8275.003.patch
>
>
> Harden serialization logic against malformed or malicious input.
> Add range checking to readVInt, to detect overflows, underflows, and larger-than-expected
values.

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