RFR: 8364514: [asan] runtime/jni/checked/TestCharArrayReleasing.java heap-buffer-overflow

[David Holmes]

On Fri, 1 Aug 2025 13:16:40 GMT, Matthias Baesken <mbaesken at openjdk.org> wrote:

> When running with ASAN enabled binaries , the test runtime/jni/checked/TestCharArrayReleasing.java fails with a  heap-buffer-overflow . This is expected because the test checks API usage errors and this way triggers ASAN.

Minor suggestion for the comment.

test/hotspot/jtreg/runtime/jni/checked/TestCharArrayReleasing.java line 28:

> 26:  * @bug 8357601
> 27:  * @requires vm.flagless
> 28:  * @comment array was allocated with raw malloc, this causes expected heap buffer issues and triggers asan

Suggestion:

 * @comment The check of the array allocated with raw malloc triggers ASAN as we peek into the malloc header space.

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Changes requested by dholmes (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/26598#pullrequestreview-3082482433
PR Review Comment: https://git.openjdk.org/jdk/pull/26598#discussion_r2250246079