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/RemoteServer/AddrInUse.java
+++ b/test/jdk/java/rmi/server/RemoteServer/AddrInUse.java
@ -0,0 +1,85 @@
+/*
+ * Copyright (c) 1998, 2025, 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 4111507
+ * @summary retryServerSocket should not retry on BindException
+ *
+ * @run main/othervm AddrInUse
+ */
+
+import java.net.ServerSocket;
+import java.rmi.registry.LocateRegistry;
+import java.rmi.server.ExportException;
+
+public class AddrInUse {
+
+    private static volatile Throwable registryExportFailure = null;
+
+    public static void main(String[] args) throws Exception {
+        /*
+         * Bind a server socket to a port.
+         */
+        try (ServerSocket server = new ServerSocket(0)) {
+            int port = server.getLocalPort();
+            System.err.println("Created a ServerSocket on port " + port + "...");
+
+            /*
+             * Start a thread that creates a registry on the same port,
+             * and analyze the result.
+             */
+            System.err.println("create a registry on the same port...");
+            System.err.println("(should cause an ExportException)");
+
+            Thread exportRegistryThread = new Thread(() -> {
+                /*
+                 * Attempt to create (i.e. export) a registry on the port that
+                 * has already been bound, and record the result.
+                 */
+                try {
+                    LocateRegistry.createRegistry(port);
+                } catch (Throwable t) {
+                    registryExportFailure = t;
+                }
+            }, "ExportRegistry-Thread");
+
+            exportRegistryThread.start();
+
+            /*
+             * Wait for the LocateRegistry.createRegistry() call to complete or
+             * if it blocks forever (due to the original bug), then let jtreg fail
+             * the test with a timeout
+             */
+            exportRegistryThread.join();
+            if (registryExportFailure == null) {
+                throw new RuntimeException(
+                        "TEST FAILED: export on already-bound port succeeded");
+            }
+            if (!(registryExportFailure instanceof ExportException)) {
+                throw new RuntimeException(
+                        "TEST FAILED: unexpected exception occurred", registryExportFailure);
+            }
+            System.err.println("TEST PASSED, received expected exception: " + registryExportFailure);
+        }
+    }
+}