[jira] [Updated] (HBASE-21401) Sanity check in BaseDecoder#parseCell

["Zheng Hu (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-21401?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Zheng Hu updated HBASE-21401:
-----------------------------
    Attachment: HBASE-21401.v4.patch

> 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
>
>
> 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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