Integrated: 8360791: [ubsan] Adjust signal handling

[Matthias Baesken]

On Fri, 27 Jun 2025 09:30:19 GMT, Matthias Baesken <mbaesken at openjdk.org> wrote:

> A couple of tests e.g. VendorInfoPluginsTest but also some Hotspot like runtime/ErrorHandling/CreateCoredumpOnCrash.java put (write) to special addresses like 0 to provoke crashs.
> However this does not work well with ubsan-enabled binaries on the clang based platforms (macOS, AIX).
> The mentioned tests generate a SIGSEGV.
> 
> Some other tests generate a SIGBUS, e.g.
> 
> runtime/memory/ReserveMemory.java
> runtime/memory/ReadFromNoaccessArea.java
> 
> and this leads to similar issues with ubsan-enabled binaries.
> 
> We should adjust the signal handling with the sanitizer options, how to do this is documented here :
> https://github.com/google/sanitizers/wiki/SanitizerCommonFlags

This pull request has now been integrated.

Changeset: aeca49e4
Author:    Matthias Baesken <mbaesken at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/aeca49e43fab951c2031895fee32703fb4a19524
Stats:     4 lines in 1 file changed: 3 ins; 0 del; 1 mod

8360791: [ubsan] Adjust signal handling

Reviewed-by: ihse, lucy

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

PR: https://git.openjdk.org/jdk/pull/26015