[jdk17u-dev] RFR: 8276125: RunThese24H.java SIGSEGV in JfrThreadGroup::thread_group_id

[Aleksey Shipilev]

On Fri, 26 Jan 2024 03:33:42 GMT, Liang Mao <lmao at openjdk.org> wrote:

> Clean backport for fixing JFR crash. The root cause is creating threads in JNI function can overlap with the JFR safepoint op and accessing a NULL threadobj. The original commit fixed the potential NULL access.
> 
> Additional testing:
>  - [x] Linux aarch64 server fastdebug,  test/jdk/jdk/jfr passed

Yes, this makes sense, thanks.

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PR Comment: https://git.openjdk.org/jdk17u-dev/pull/2179#issuecomment-1916312447