[jdk17u-dev] RFR: 8345296: AArch64: VM crashes with SIGILL when prctl is disallowed

[duke]

On Thu, 12 Dec 2024 14:11:14 GMT, Kerem Kat <krk at openjdk.org> wrote:

> Ref. https://github.com/openjdk/jdk/pull/22479
> 
>> We have caught this in some prod environments, where prctl is forbidden by the sandboxing mechanism. This fails the JVM
> 
> Does not apply cleanly, the backport depends on `FloatRegister` changes from [JDK-8339063](https://bugs.openjdk.org/browse/JDK-8339063) which are included in `src/hotspot/cpu/aarch64/register_aarch64.hpp`.
> 
> Additional testing:
> 
> - [x] Verified the bug is fixed with the seccomp repro from [JDK-8345296](https://bugs.openjdk.org/browse/JDK-8345296?focusedId=14727386&page=com.atlassian.jira.plugin.system.issuetabpanels%3Acomment-tabpanel#comment-14727386): Segfault without the patch, works with.

@krk 
Your change (at version 0882e5e59b44d4ae56365ea1227d73c3ead818fb) is now ready to be sponsored by a Committer.

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PR Comment: https://git.openjdk.org/jdk17u-dev/pull/3111#issuecomment-2549601730