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/sun/management/HotspotClassLoadingMBean/GetLoadedClassSize.java
+++ b/test/jdk/sun/management/HotspotClassLoadingMBean/GetLoadedClassSize.java
@ -0,0 +1,88 @@
+/*
+ * Copyright (c) 2003, 2015, 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     4858522
+ * @summary Basic unit test of HotspotClassLoadingMBean.getLoadedClassSize()
+ * @author  Steve Bohne
+ *
+ * @run main/othervm -XX:+UsePerfData GetLoadedClassSize
+ */
+
+/*
+ * This test is just a sanity check and does not check for the correct value.
+ */
+
+import sun.management.*;
+
+public class GetLoadedClassSize {
+
+    private static HotspotClassLoadingMBean mbean =
+        (HotspotClassLoadingMBean)ManagementFactoryHelper.getHotspotClassLoadingMBean();
+
+    // Careful with these values.
+    private static final long MIN_VALUE_FOR_PASS = 1;
+    private static final long MAX_VALUE_FOR_PASS = Long.MAX_VALUE;
+
+    private static boolean trace = false;
+
+    public static void main(String args[]) throws Exception {
+        if (args.length > 0 && args[0].equals("trace")) {
+            trace = true;
+        }
+
+        long value = mbean.getLoadedClassSize();
+
+        if (trace) {
+            System.out.println("Loaded class size (bytes): " + value);
+        }
+
+        if (value < MIN_VALUE_FOR_PASS || value > MAX_VALUE_FOR_PASS) {
+            throw new RuntimeException("Loaded class size " +
+                                       "illegal value: " + value + " bytes " +
+                                       "(MIN = " + MIN_VALUE_FOR_PASS + "; " +
+                                       "MAX = " + MAX_VALUE_FOR_PASS + ")");
+        }
+
+        // increase the size
+        Class.forName("ClassToLoad1");
+
+
+        long value2 = mbean.getLoadedClassSize();
+
+        if (trace) {
+            System.out.println("Loaded class size2 (bytes): " + value2);
+        }
+
+        if (value2 <= value) {
+            throw new RuntimeException("Loaded class size " +
+                                       "did not increase " +
+                                       "(value = " + value + "; " +
+                                       "value2 = " + value2 + ")");
+        }
+        System.out.println("Test passed.");
+    }
+}
+
+class ClassToLoad1 {}