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https://issues.apache.org/jira/browse/ARROW-10373?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Antoine Pitrou resolved ARROW-10373.
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Resolution: Fixed
Issue resolved by pull request 10871
[https://github.com/apache/arrow/pull/10871]
> [C++] ValidateFull() does not validate null_count
> -------------------------------------------------
>
> Key: ARROW-10373
> URL: https://issues.apache.org/jira/browse/ARROW-10373
> Project: Apache Arrow
> Issue Type: Bug
> Components: C++
> Reporter: Derek Denny-Brown
> Assignee: Antoine Pitrou
> Priority: Major
> Labels: pull-request-available
> Fix For: 6.0.0
>
> Attachments: arrow_null_count.cpp
>
> Time Spent: 1h 10m
> Remaining Estimate: 0h
>
> It is possible to corrupt a serialized record batch such that the null_count
> of the parsed result is invalid. Attached is a repro where the the parsed
> null_count = -2, but ValidateFull returns success. I would expect
> ValidateFull to verify the null_count against the serialized columns.
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