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/rmi/server/Unreferenced/marshalledObjectGet/MarshalledObjectGet.java
+++ b/test/jdk/java/rmi/server/Unreferenced/marshalledObjectGet/MarshalledObjectGet.java
@ -0,0 +1,120 @@
+/*
+ * Copyright (c) 2000, 2012, 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
+ * @summary When an object is retrieved from a MarshalledObject, callbacks
+ * that were registered by objects in the graph for execution when the
+ * unmarshalling is done should get executed.  This is verified by way of
+ * an exported object's stub getting unmarshalled, and then garbage
+ * collected, in which case the impl's unreferenced() method should get
+ * invoked.
+ * @author Peter Jones
+ *
+ * @build MarshalledObjectGet_Stub
+ * @run main/othervm/timeout=120 MarshalledObjectGet
+ */
+
+import java.rmi.MarshalledObject;
+import java.rmi.Remote;
+import java.rmi.server.UnicastRemoteObject;
+import java.rmi.server.Unreferenced;
+
+public class MarshalledObjectGet implements Remote, Unreferenced {
+
+    private static final String BINDING = "MarshalledObjectGet";
+    private static final long GC_INTERVAL = 6000;
+    private static final long TIMEOUT = 50000;
+
+    private Object lock = new Object();
+    private boolean unreferencedInvoked;
+
+    public void unreferenced() {
+        System.err.println("unreferenced() method invoked");
+        synchronized (lock) {
+            unreferencedInvoked = true;
+            lock.notify();
+        }
+    }
+
+    public static void main(String[] args) {
+
+        System.err.println(
+            "\nTest to verify correction interaction of " +
+            "MarshalledObject.get and DGC registration\n");
+
+        /*
+         * Set the interval that RMI will request for GC latency (before RMI
+         * gets initialized and this property is read) to an unrealistically
+         * small value, so that this test shouldn't have to wait too long.
+         */
+        System.setProperty("sun.rmi.dgc.client.gcInterval",
+            String.valueOf(GC_INTERVAL));
+
+        MarshalledObjectGet obj = new MarshalledObjectGet();
+
+        try {
+            Remote stub = UnicastRemoteObject.exportObject(obj);
+            System.err.println("exported remote object");
+
+            MarshalledObject mobj = new MarshalledObject(stub);
+            Remote unmarshalledStub = (Remote) mobj.get();
+            System.err.println("unmarshalled stub from marshalled object");
+
+            synchronized (obj.lock) {
+                obj.unreferencedInvoked = false;
+
+                unmarshalledStub = null;
+                System.gc();
+                System.err.println("cleared unmarshalled stub");
+                System.err.println("waiting for unreferenced() callback " +
+                                   "(SHOULD happen)...");
+                obj.lock.wait(TIMEOUT);
+
+                if (obj.unreferencedInvoked) {
+                    // TEST PASSED
+                } else {
+                    throw new RuntimeException(
+                        "TEST FAILED: unrefereced() not invoked after " +
+                        ((double) TIMEOUT / 1000.0) + " seconds");
+                }
+            }
+
+            System.err.println("TEST PASSED");
+
+        } catch (Exception e) {
+            if (e instanceof RuntimeException) {
+                throw (RuntimeException) e;
+            } else {
+                throw new RuntimeException(
+                    "TEST FAILED: unexpected exception: " + e.toString());
+            }
+        } finally {
+            if (obj != null) {
+                try {
+                    UnicastRemoteObject.unexportObject(obj, true);
+                } catch (Exception e) {
+                }
+            }
+        }
+    }
+}