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Posted to issues@orc.apache.org by "Gang Wu (JIRA)" <ji...@apache.org> on 2019/04/26 20:35:00 UTC

[jira] [Updated] (ORC-496) [C++] Fix integer overflow in skip of column reader

     [ https://issues.apache.org/jira/browse/ORC-496?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Gang Wu updated ORC-496:
------------------------
    Description: 
skip() function is the StringDirectColumnReader and DoubleColumnReader use size_t to compute total size to skip; however, the value is casted to int when calling underlying
input stream.

> [C++] Fix integer overflow in skip of column reader
> ---------------------------------------------------
>
>                 Key: ORC-496
>                 URL: https://issues.apache.org/jira/browse/ORC-496
>             Project: ORC
>          Issue Type: Bug
>          Components: C++
>            Reporter: Gang Wu
>            Assignee: Gang Wu
>            Priority: Major
>
> skip() function is the StringDirectColumnReader and DoubleColumnReader use size_t to compute total size to skip; however, the value is casted to int when calling underlying
> input stream.



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