On Fri, 19 Jun 2026 03:09:42 GMT, Serguei Spitsyn <[email protected]> wrote:
> This update fixes the test bug which was initially filed as a Valhalla bug > but then found to be NOT Valhalla specific. > The static variable `objectCount` is used for two different purposes: > - to count current walked objects number > - as a number to tag objects > > This leads to mismatches in indexes calculations. > For instance the `ObjectFree` event callback decrements the `objectCount` > number. Then the `objectCountMax` can be smaller than some of the actual > indexes. > The fix does: > - adds a fragment to force GC's with the JVMTI `ForceGarbageCollection` to > make the failure well reproducible > - split `objectCount` into: `objectCount` and `objectTagCount` > - `objectTagCount` is used to set the object tags and value of the > `objectCountMax` > - a couple of the `ind` boundary checks are also corrected > > Testing: > - Executed the test locally: > `jvmti/IterateOverReachableObjects/iterreachobj002` > - TBD: Submit mach5 tiers 1-3 to be safe > > --------- > - [x] I confirm that I make this contribution in accordance with the [OpenJDK > Interim AI Policy](https://openjdk.org/legal/ai). This pull request has now been integrated. Changeset: 303b84d4 Author: Serguei Spitsyn <[email protected]> URL: https://git.openjdk.org/jdk/commit/303b84d4bce43c75c1c8274dc94b45b4ef1381d0 Stats: 112 lines in 1 file changed: 29 ins; 65 del; 18 mod 8384882: jvmti/IterateOverReachableObjects/iterreachobj002 fails with Not a valid malloc pointer Reviewed-by: cjplummer, dholmes ------------- PR: https://git.openjdk.org/jdk/pull/31585
