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/ManagementFactory/PlatformMBeanServerTest.java
+++ b/test/jdk/java/lang/management/ManagementFactory/PlatformMBeanServerTest.java
@ -0,0 +1,143 @@
+/*
+ * Copyright (c) 2003, 2016, 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.
+ */
+
+/*
+ * @test
+ * @bug     4947536
+ * @summary Basic unit test of ManagementFactory.getPlatformMBeanServer()
+ * @author  Mandy Chung
+ *
+ * @modules java.logging
+ *          jdk.management
+ */
+
+import java.lang.management.*;
+import static java.lang.management.ManagementFactory.*;
+import java.util.*;
+import java.util.logging.LogManager;
+
+import javax.management.MBeanServer;
+import javax.management.ObjectName;
+
+public class PlatformMBeanServerTest {
+    public static void main(String[] argv) throws Exception {
+        MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
+        printMBeans(mbs);
+
+        // validate if all standard JVM MBeans are registered
+        checkStandardMBeans(mbs);
+
+        // validate if all platform MBeans are registered
+        checkPlatformMBeans(mbs);
+
+        MBeanServer mbs1 = ManagementFactory.getPlatformMBeanServer();
+        if (mbs != mbs1) {
+            throw new RuntimeException("Second call to getPlatformMBeanServer()"
+                + " returns a different MBeanServer.");
+        }
+
+        System.out.println("Test passed.");
+    }
+
+    private static void checkMBean(MBeanServer mbs, String mbeanName)
+            throws Exception {
+        try {
+            ObjectName objName = new ObjectName(mbeanName);
+            // We could call mbs.isRegistered(objName) here.
+            // Calling getMBeanInfo will throw exception if not found.
+            mbs.getMBeanInfo(objName);
+        } catch (Exception e) {
+            throw e;
+        }
+    }
+    private static void checkStandardMBeans(MBeanServer mbs) throws Exception {
+        checkMBean(mbs, CLASS_LOADING_MXBEAN_NAME);
+        checkMBean(mbs, MEMORY_MXBEAN_NAME);
+        checkMBean(mbs, OPERATING_SYSTEM_MXBEAN_NAME);
+        checkMBean(mbs, RUNTIME_MXBEAN_NAME);
+        checkMBean(mbs, THREAD_MXBEAN_NAME);
+        if (ManagementFactory.getCompilationMXBean() != null) {
+            checkMBean(mbs, COMPILATION_MXBEAN_NAME);
+        }
+
+        List pools = ManagementFactory.getMemoryPoolMXBeans();
+        for (ListIterator iter = pools.listIterator(); iter.hasNext(); ) {
+            MemoryPoolMXBean p = (MemoryPoolMXBean) iter.next();
+            checkMBean(mbs, MEMORY_POOL_MXBEAN_DOMAIN_TYPE + ",name=" + p.getName());
+        }
+
+        // Check the number of memory pools in the mbs
+        Set set = mbs.queryNames(new ObjectName(MEMORY_POOL_MXBEAN_DOMAIN_TYPE + ",*"), null);
+        if (set.size() != pools.size()) {
+            throw new RuntimeException("Unexpected number of memory pools:" +
+                "MBeanServer has " + set.size() +
+                ". Expected = " + pools.size());
+        }
+
+        List mgrs = ManagementFactory.getMemoryManagerMXBeans();
+        int num_mgrs = 0;
+        for (ListIterator iter = mgrs.listIterator(); iter.hasNext(); ) {
+            MemoryManagerMXBean m = (MemoryManagerMXBean) iter.next();
+            if (m instanceof GarbageCollectorMXBean) {
+                checkMBean(mbs, GARBAGE_COLLECTOR_MXBEAN_DOMAIN_TYPE
+                                    + ",name=" + m.getName());
+            } else {
+                checkMBean(mbs, MEMORY_MANAGER_MXBEAN_DOMAIN_TYPE
+                                    + ",name=" + m.getName());
+                num_mgrs++;
+            }
+        }
+
+        List gcs = ManagementFactory.getGarbageCollectorMXBeans();
+        for (ListIterator iter = gcs.listIterator(); iter.hasNext(); ) {
+            GarbageCollectorMXBean gc = (GarbageCollectorMXBean) iter.next();
+            checkMBean(mbs, GARBAGE_COLLECTOR_MXBEAN_DOMAIN_TYPE
+                                + ",name=" + gc.getName());
+        }
+
+        // Check the number of memory managers and garbage collectors in the mbs
+        set = mbs.queryNames(new ObjectName(MEMORY_MANAGER_MXBEAN_DOMAIN_TYPE + ",*"), null);
+        if (set.size() != num_mgrs) {
+            throw new RuntimeException("Unexpected number of memory managers:" +
+                "MBeanServer has " + set.size() +
+                ". Expected = " + num_mgrs);
+        }
+
+        set = mbs.queryNames(new ObjectName(GARBAGE_COLLECTOR_MXBEAN_DOMAIN_TYPE + ",*"), null);
+        if (set.size() != gcs.size()) {
+            throw new RuntimeException("Unexpected number of garbage collectors:" +
+                "MBeanServer has " + set.size() +
+                ". Expected = " + gcs.size());
+        }
+    }
+    private static void checkPlatformMBeans(MBeanServer mbs) throws Exception {
+        checkMBean(mbs, LogManager.LOGGING_MXBEAN_NAME);
+    }
+
+    private static void printMBeans(MBeanServer mbs) throws Exception {
+        Set set = mbs.queryNames(null, null);
+        for (Iterator iter = set.iterator(); iter.hasNext(); ) {
+            System.out.println(iter.next());
+        }
+    }
+}