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Correctly check types when using N-gram bloom filter index #45617

Merged
merged 1 commit into from
Jan 26, 2023
Merged

Correctly check types when using N-gram bloom filter index #45617

merged 1 commit into from
Jan 26, 2023

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@antonio2368 antonio2368 commented Jan 25, 2023 •
edited by kitaisreal
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Changelog category (leave one):

  • Bug Fix (user-visible misbehavior in official stable or prestable release)

Changelog entry (a user-readable short description of the changes that goes to CHANGELOG.md):

Correctly check types when using N-gram bloom filter index to avoid invalid reads.

Caught by fuzzer https://s3.amazonaws.com/clickhouse-test-reports/0/8926af91f3a06fe4638e57a0cc1d5fda6d55a065/fuzzer_astfuzzerubsan/report.html

Closes #45509.

Documentation entry for user-facing changes

  • Documentation is written (mandatory for new features)

Information about CI checks: https://clickhouse.com/docs/en/development/continuous-integration/

@robot-ch-test-poll2 robot-ch-test-poll2 added the pr-bugfix Pull request with bugfix, not backported by default label Jan 25, 2023
@antonio2368 antonio2368 merged commit 6fe9e9a into master Jan 26, 2023
@antonio2368 antonio2368 deleted the fix-bfngram-index branch January 26, 2023 08:05
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@kitaisreal kitaisreal kitaisreal approved these changes

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pr-bugfix Pull request with bugfix, not backported by default
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Successfully merging this pull request may close these issues.

heap-buffer-overflow in MergeTreeConditionFullText (possible type mismatch with Field)
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@antonio2368 @kitaisreal @robot-ch-test-poll2