test/hotspot/jtreg/serviceability/jvmti/HeapMonitor/libHeapMonitorTest.cpp

@@ -1,7 +1,7 @@
  /*
-  * Copyright (c) 2018, 2024, Oracle and/or its affiliates. All rights reserved.
+  * Copyright (c) 2018, 2026, Oracle and/or its affiliates. All rights reserved.
   * Copyright (c) 2018, Google and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as

@@ -531,10 +531,15 @@
                                jlong size) {
    jvmtiFrameInfo frames[64];
    jint count;
    jvmtiError err;
  
+   if (jni->IsValueObject(object)) {
+     // weak references are prohibited for value objects, skip them
+     return;
+   }
+ 
    err = jvmti->GetStackTrace(thread, 0, 64, frames, &count);
    if (err == JVMTI_ERROR_NONE && count >= 1) {
      ObjectTrace* live_object;
      jvmtiFrameInfo* allocated_frames = (jvmtiFrameInfo*) malloc(count * sizeof(*allocated_frames));
      memcpy(allocated_frames, frames, count * sizeof(*allocated_frames));