diff --git a/test/hotspot/jtreg/vmTestbase/nsk/jvmti/GetErrorName/geterrname002/TestDescription.java b/test/hotspot/jtreg/vmTestbase/nsk/jvmti/GetErrorName/geterrname002/TestDescription.java
index 7f3745d6701..763ebeccd02 100644
--- a/test/hotspot/jtreg/vmTestbase/nsk/jvmti/GetErrorName/geterrname002/TestDescription.java
+++ b/test/hotspot/jtreg/vmTestbase/nsk/jvmti/GetErrorName/geterrname002/TestDescription.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018, 2020, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2018, 2025, Oracle 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
@@ -35,6 +35,9 @@
  *         JVMTI_ERROR_NULL_POINTER        if name_ptr is NULL.
  * COMMENTS
  *
+ * @comment We test with arguments out of scope of the jvmti enums, which causes
+ *          ubsan issues.
+ * @requires !vm.ubsan
  * @library /vmTestbase
  *          /test/lib
  * @run main/othervm/native
diff --git a/test/hotspot/jtreg/vmTestbase/nsk/jvmti/SetVerboseFlag/setvrbflag002/TestDescription.java b/test/hotspot/jtreg/vmTestbase/nsk/jvmti/SetVerboseFlag/setvrbflag002/TestDescription.java
index e42e086f588..d85da6d7128 100644
--- a/test/hotspot/jtreg/vmTestbase/nsk/jvmti/SetVerboseFlag/setvrbflag002/TestDescription.java
+++ b/test/hotspot/jtreg/vmTestbase/nsk/jvmti/SetVerboseFlag/setvrbflag002/TestDescription.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018, 2020, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2018, 2025, Oracle 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
@@ -34,6 +34,9 @@
  *     if flag is not a jvmtiVerboseFlag.
  * COMMENTS
  *
+ * @comment We test with arguments out of scope of the jvmti enums, which causes
+ *          ubsan issues.
+ * @requires !vm.ubsan
  * @library /vmTestbase
  *          /test/lib
  * @run main/othervm/native