RFR: 8347268: [ubsan] logOutput.cpp:357:21: runtime error: applying non-zero offset 1 to null pointer

[David Holmes]

On Wed, 8 Jan 2025 14:54:04 GMT, Matthias Baesken <mbaesken at openjdk.org> wrote:

> When running ubsan-enabled binaries on macOS aarch64, the following issue is reported in the test
> jdk/jfr/event/gc/detailed/TestZAllocationStallEvent.java
> src/hotspot/share/logging/logOutput.cpp:357:21: runtime error: applying non-zero offset 1 to null pointer
> UndefinedBehaviorSanitizer:DEADLYSIGNAL
> UndefinedBehaviorSanitizer: nested bug in the same thread, aborting.
> 
> This is similar to [JDK-8346881](https://bugs.openjdk.org/browse/JDK-8346881) .

Fine and trivial.

Thanks

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Marked as reviewed by dholmes (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/22971#pullrequestreview-2538686110