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https://issues.apache.org/jira/browse/HDFS-10254?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Steve Loughran resolved HDFS-10254.
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Resolution: Fixed
Fix Version/s: 2.8.0
> DfsClient undervalidates args for PositionedReadable operations
> ---------------------------------------------------------------
>
> Key: HDFS-10254
> URL: https://issues.apache.org/jira/browse/HDFS-10254
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: hdfs-client
> Affects Versions: 2.8.0
> Reporter: Steve Loughran
> Fix For: 2.8.0
>
>
> HDFS should can do stricter checking of the inputs
> # raise an exception on negative offset of destination buffer
> # explicitly raise an EOF exception if the file position is negative
> Optionally: short-circuit read/readfully operations if the byte range is 0.
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