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https://issues.apache.org/jira/browse/CASSANDRA-21150?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18056885#comment-18056885
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Arvind Kandpal commented on CASSANDRA-21150:
--------------------------------------------
Hi [~dnk],
I have analyzed the failure in VerifyTest.testVerifyCorruptRowCorrectDigest.
The root cause is indeed the library swap to `at.yawk.lz4` (related to
CVE-2025-12183). The new "safe" implementation of the decompressor throws
`IndexOutOfBoundsException` instead of `LZ4Exception` when encountering corrupt
data (specifically invalid lengths that cause array boundary violations).
Since LZ4Compressor was only catching LZ4Exception, the RuntimeException was
bubbling up and causing the test to fail.
I have submitted a PR that catches IndexOutOfBoundsException in LZ4Compressor
and wraps it in an IOException, which fixes the test failure and restores
proper corruption handling.
Please take a look and tell me if need changes.
> Test failure:
> org.apache.cassandra.io.sstable.VerifyTest.testVerifyCorruptRowCorrectDigest
> ------------------------------------------------------------------------------------------
>
> Key: CASSANDRA-21150
> URL: https://issues.apache.org/jira/browse/CASSANDRA-21150
> Project: Apache Cassandra
> Issue Type: Bug
> Reporter: Dmitry Konstantinov
> Assignee: Arvind Kandpal
> Priority: Normal
> Attachments: image-2026-01-31-16-46-01-322.png
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> [butler link
> |https://butler.cassandra.apache.org/#/ci/upstream/workflow/Cassandra-trunk/failure/org.apac[…]o.sstable/VerifyTest/testVerifyCorruptRowCorrectDigest]
> this test looks like has an explicit breaking point + it fails only for
> compression config profile +
> https://ci-cassandra.apache.org/job/Cassandra-trunk/2367/
> so an issue could be between
> https://github.com/apache/cassandra/commit/ec3b425c38d92d20d77d3a87c782ed9c072e1cd9
> (exclusive) and
> https://github.com/apache/cassandra/commit/3c69bd23673caa40b22f3500a3e3eecabc25c8e5
> commits
> !image-2026-01-31-16-46-01-322.png|width=600!
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