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https://issues.apache.org/jira/browse/HBASE-21401?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16680730#comment-16680730
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Zheng Hu commented on HBASE-21401:
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Open HBASE-21459 for more testing. Pushed this patch to branch-2.x & master ,
Thanks [~Apache9], [~stack], [~yuzhih...@gmail.com] for reviewing.
> Sanity check in BaseDecoder#parseCell
> -------------------------------------
>
> Key: HBASE-21401
> URL: https://issues.apache.org/jira/browse/HBASE-21401
> Project: HBase
> Issue Type: Sub-task
> Components: regionserver
> Reporter: Zheng Hu
> Assignee: Zheng Hu
> Priority: Critical
> Fix For: 3.0.0, 2.2.0, 2.0.3, 2.1.2
>
> Attachments: HBASE-21401.v1.patch, HBASE-21401.v2.patch,
> HBASE-21401.v3.patch, HBASE-21401.v4.patch, HBASE-21401.v4.patch,
> HBASE-21401.v5.patch
>
>
> In KeyValueDecoder & ByteBuffKeyValueDecoder, we pass a byte buffer to
> initialize the Cell without a sanity check (check each field's offset&len
> exceed the byte buffer or not), so ArrayIndexOutOfBoundsException may happen
> when read the cell's fields, such as HBASE-21379, it's hard to debug this
> kind of bug.
> An earlier check will help to find such kind of bugs.
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