RFR: 8361103: java_lang_Thread::async_get_stack_trace does not properly protect JavaThread [v9]

[Serguei Spitsyn]

On Tue, 12 Aug 2025 20:25:22 GMT, Alex Menkov <amenkov at openjdk.org> wrote:

>> The fix updates `java_lang_Thread::async_get_stack_trace()` (used by `java.lang.Thread.getStackTrace()` to get stack trace for platform and mounted virtual threads) to correctly use `ThreadListHandle` for thread protection.
>> 
>> Testing: tier1..5
>
> Alex Menkov has updated the pull request incrementally with one additional commit since the last revision:
> 
>   renamed thread_oop to thread_h

Marked as reviewed by sspitsyn (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/26119#pullrequestreview-3112773666