Ben Kietzman created ARROW-11767:
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Summary: [C++] Scalar::hash may segfault for null scalars
Key: ARROW-11767
URL: https://issues.apache.org/jira/browse/ARROW-11767
Project: Apache Arrow
Issue Type: Bug
Components: C++
Affects Versions: 3.0.0
Reporter: Ben Kietzman
Assignee: Ben Kietzman
Fix For: 4.0.0
Scalar::Hash does not check Scalar::is_valid, which can result in inconsistent
hashes when applied to uninitialized {{/.*Scalar::value/}} or may segfault
(since null binary scalars may have a null buffer).
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