On Mon, 1 Sep 2025 05:31:43 GMT, Amit Kumar <amitku...@openjdk.org> wrote:
> Originally Reported in OpenJ9, fix by @AditiS11 present here: > https://github.com/ibmruntimes/openj9-openjdk-jdk25/pull/32 > > These test failure were reported in OpenJ9 (x86), I can't reproduce on my > system (s390x): > > java/foreign/TestFill.java > java/foreign/TestSegments.java > java/foreign/TestSegmentBulkOperationsContentHash.java > java/foreign/TestStringEncoding.java > java/foreign/TestVarArgs.java > > > > ```java > // Always allocate at least some memory so that zero-length segments > have distinct > // non-zero addresses. > alignedSize = Math.max(1, alignedSize); > > > Here minimum-allocated size will be 1, which is incorrect because > > > private static void initNativeMemory(long address, long byteSize) { > for (long i = 0; i < byteSize; i += Long.BYTES) { > UNSAFE.putLongUnaligned(null, address + i, 0); > } > } > > `initNativeMemory()` is going to write Long. Thanks for spotting this bug! It seems like a bug that I introduced, and so, thanks again! ------------- Marked as reviewed by pminborg (Reviewer). PR Review: https://git.openjdk.org/jdk/pull/27027#pullrequestreview-3172497772
