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

[Liang Mao]

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.
> 
> /sponsor

Aleksey, thanks!

-------------

PR Comment: https://git.openjdk.org/jdk17u-dev/pull/2179#issuecomment-1916314398