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Posted to jira@arrow.apache.org by "Yibo Cai (Jira)" <ji...@apache.org> on 2022/01/13 01:54:00 UTC

[jira] [Commented] (ARROW-15304) [C++] Use of uninitialized in arrow::detail::Fingerprintable

    [ https://issues.apache.org/jira/browse/ARROW-15304?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17475048#comment-17475048 ] 

Yibo Cai commented on ARROW-15304:
----------------------------------

Thanks for the report. Do you have test cases for this bug?

> [C++] Use of uninitialized in arrow::detail::Fingerprintable
> ------------------------------------------------------------
>
>                 Key: ARROW-15304
>                 URL: https://issues.apache.org/jira/browse/ARROW-15304
>             Project: Apache Arrow
>          Issue Type: Bug
>          Components: C++
>            Reporter: Jeroen van Straten
>            Priority: Minor
>              Labels: good-first-issue
>
> {{arrow::detail::Fingerprintable}}'s {{fingerprint_}} and {{metadata_fingerprint_}} members are not initialized by the default constructor, which can result in segmentation faults when accessed, if the initial value isn't coincidentally null.



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