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Posted to jira@arrow.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2022/01/30 06:20:00 UTC

[jira] [Updated] (ARROW-15502) [Java] Detect exceptional footer size in Arrow file reader

     [ https://issues.apache.org/jira/browse/ARROW-15502?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

ASF GitHub Bot updated ARROW-15502:
-----------------------------------
    Labels: pull-request-available  (was: )

> [Java] Detect exceptional footer size in Arrow file reader
> ----------------------------------------------------------
>
>                 Key: ARROW-15502
>                 URL: https://issues.apache.org/jira/browse/ARROW-15502
>             Project: Apache Arrow
>          Issue Type: Bug
>          Components: Java
>            Reporter: Liya Fan
>            Assignee: Liya Fan
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> When a malformed Arrow file containing an extremely large footer size (much larger than the file size) is fed to the ArrowFileReader, our implementation fails detect the problem, due to integer arithmetic overflow.
> This will lead to extremely large memory allocation and eventually causing an OutOfMemoryError.



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