undefect. CWE-407 — 63 sites patched across 27 ecosystems

Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com Patches, unit tests, benchmarks, whitepaper, and outreach briefs. Public domain — no copyright claimed. Use freely.
2026-03-26 17:11:57 -04:00 · 2026-03-26 17:11:57 -04:00 · 0a580b313d
commit 0a580b313d
70422 changed files with 17213626 additions and 0 deletions
--- a/test/jdk/java/lang/management/MemoryMXBean/RunUtil.java
+++ b/test/jdk/java/lang/management/MemoryMXBean/RunUtil.java
@ -0,0 +1,85 @@
+/*
+ * Copyright (c) 2014, 2024, 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
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/**
+ * Utility class for launching a test in a separate JVM.
+ */
+
+import java.util.List;
+import java.util.ArrayList;
+import java.util.Arrays;
+import jdk.test.lib.JDKToolFinder;
+import jdk.test.lib.process.OutputAnalyzer;
+import jdk.test.lib.process.ProcessTools;
+import jdk.test.lib.Utils;
+
+public class RunUtil {
+
+    // Used to mark that the test has passed successfully.
+    public static final String successMessage = "Test passed.";
+
+    public static void runTestClearGcOpts(String main, String... testOpts) throws Throwable {
+        runTest(main, true, testOpts);
+    }
+
+    public static void runTestKeepGcOpts(String main, String... testOpts) throws Throwable {
+        runTest(main, false, testOpts);
+    }
+
+    /**
+     * Runs a test in a separate JVM.
+     * command line like:
+     * {test_jdk}/bin/java {defaultopts} -cp {test.class.path} {testopts} main
+     *
+     * {defaultopts} are the default java options set by the framework.
+     * Default GC options in {defaultopts} may be removed.
+     * This is used when the test specifies its own GC options.
+     *
+     * @param main Name of the main class.
+     * @param clearGcOpts true if the default GC options should be removed.
+     * @param testOpts java options specified by the test.
+     */
+    private static void runTest(String main, boolean clearGcOpts, String... testOpts)
+                throws Throwable {
+        List<String> opts = new ArrayList<>();
+        opts.add(JDKToolFinder.getJDKTool("java"));
+        opts.addAll(Arrays.asList(Utils.getTestJavaOpts()));
+        opts.add("-cp");
+        opts.add(System.getProperty("test.class.path", "test.class.path"));
+        opts.add("-Xlog:gc*=debug");
+
+        if (clearGcOpts) {
+            opts = Utils.removeGcOpts(opts);
+        }
+        opts.addAll(Arrays.asList(testOpts));
+        opts.add(main);
+        opts.add("trace");
+
+        OutputAnalyzer output = ProcessTools.executeProcess(opts.toArray(new String[0]));
+        output.shouldHaveExitValue(0);
+        if (output.getStdout().indexOf(successMessage) < 0) {
+            throw new Exception("output missing '" + successMessage + "'");
+        }
+    }
+
+}