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/ThreadMXBean/ThreadInfoArray.java
+++ b/test/jdk/java/lang/management/ThreadMXBean/ThreadInfoArray.java
@ -0,0 +1,135 @@
+/*
+ * Copyright (c) 2004, 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     5058327 8074368
+ * @summary Tests the correct behaviour of getThreadInfo(long[]) for non-existent
+ *          thread IDs and the empty thread id array.
+ *
+ * @author  Mandy Chung
+ * @author  Jaroslav Bachorik
+ *
+ * @modules jdk.management
+ * @build ThreadInfoArray
+ * @run main ThreadInfoArray
+ */
+
+import java.lang.management.*;
+import javax.management.*;
+import static java.lang.management.ManagementFactory.*;
+
+public class ThreadInfoArray {
+    public static void main(String[] argv) throws Exception {
+        MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
+        ObjectName on = new ObjectName(THREAD_MXBEAN_NAME);
+
+        ThreadMXBean mbean = ManagementFactory.getThreadMXBean();
+        ThreadMXBean proxy = newPlatformMXBeanProxy(mbs,
+                                 on.toString(),
+                                 ThreadMXBean.class);
+
+        checkNullElement(mbean, proxy, mbs, on);
+        checkEmptyArray(mbean, proxy, mbs, on);
+        System.out.println("Test passed");
+    }
+
+    private static void checkNullElement(ThreadMXBean mbean, ThreadMXBean proxy,
+                                         MBeanServer mbs, ObjectName on)
+        throws Exception {
+        System.out.println("--- Check null element");
+        // ID for a new thread
+        long [] ids = {new Thread().getId()};
+        // direct call
+        ThreadInfo[] tinfos = mbean.getThreadInfo(ids);
+
+        if (tinfos[0] != null) {
+            throw new RuntimeException("TEST FAILED: " +
+                "Expected to have a null element");
+        }
+
+        // call getThreadInfo through MBeanServer
+        Object[] params = {ids};
+        String[] sigs = {"[J"};
+        Object[] result = (Object[]) mbs.invoke(on, "getThreadInfo", params, sigs);
+
+        if (result[0] != null) {
+            throw new RuntimeException("TEST FAILED: " +
+                "Expected to have a null element via MBeanServer");
+        }
+
+        // call getThreadInfo through proxy
+        tinfos = proxy.getThreadInfo(ids);
+        if (tinfos[0] != null) {
+            throw new RuntimeException("TEST FAILED: " +
+                "Expected to have a null element");
+        }
+        System.out.println("--- PASSED");
+    }
+
+    private static void checkEmptyArray(ThreadMXBean mbean, ThreadMXBean proxy,
+                                        MBeanServer mbs, ObjectName on)
+        throws Exception {
+        System.out.println("--- Check empty TID array");
+
+        long[] ids = new long[0];
+        // direct call
+        assertEmptyArray(mbean.getThreadInfo(ids), "Expected empty ThreadInfo array");
+        assertEmptyArray(mbean.getThreadInfo(ids, 1), "Expected empty ThreadInfo array");
+        assertEmptyArray(mbean.getThreadInfo(ids, true, true), "Expected empty ThreadInfo array");
+
+        // call getThreadInfo through MBeanServer
+        assertEmptyArray(
+            (Object[]) mbs.invoke(
+                on, "getThreadInfo", new Object[]{ids}, new String[]{"[J"}
+            ),
+            "Expected empty ThreadInfo array via MBeanServer"
+        );
+        assertEmptyArray(
+            (Object[]) mbs.invoke(
+                on, "getThreadInfo", new Object[]{ids, 1},
+                new String[]{"[J", "int"}
+            ),
+            "Expected empty ThreadInfo array via MBeanServer"
+        );
+        assertEmptyArray(
+            (Object[]) mbs.invoke(
+                on, "getThreadInfo", new Object[]{ids, true, true},
+                new String[]{"[J", "boolean", "boolean"}
+            ),
+            "Expected empty ThreadInfo array via MBeanServer"
+        );
+
+        // call getThreadInfo through proxy
+        assertEmptyArray(proxy.getThreadInfo(ids), "Expected empty ThreadInfo array");
+        assertEmptyArray(proxy.getThreadInfo(ids, 1), "Expected empty ThreadInfo array");
+        assertEmptyArray(proxy.getThreadInfo(ids, true, true), "Expected empty ThreadInfo array");
+        System.out.println("--- PASSED");
+    }
+
+    private static void assertEmptyArray(Object[] arr, String message) throws Exception {
+        if (arr.length > 0) {
+            throw new RuntimeException("TEST FAILED: " + message);
+        }
+    }
+}