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/net/SocketInputStream/SocketClosedException.java
+++ b/test/jdk/java/net/SocketInputStream/SocketClosedException.java
@ -0,0 +1,98 @@
+/*
+ * Copyright (c) 2002, 2019, 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 4681556
+ * @library /test/lib
+ * @summary Wrong text if a read is performed on a socket after it
+ *      has been closed
+ * @run main SocketClosedException
+ * @run main/othervm -Djava.net.preferIPv4Stack=true SocketClosedException
+ */
+
+import java.io.*;
+import java.net.*;
+import jdk.test.lib.net.IPSupport;
+
+public class SocketClosedException {
+    static void doServerSide() throws Exception {
+        try {
+            Socket socket = serverSocket.accept();
+
+            OutputStream os = socket.getOutputStream();
+
+            os.write(85);
+            os.flush();
+            socket.close();
+        } finally {
+            serverSocket.close();
+        }
+    }
+
+    static void doClientSide(int port) throws Exception {
+        InetAddress loopback = InetAddress.getLoopbackAddress();
+        Socket socket = new Socket(loopback, port);
+        InputStream is = socket.getInputStream();
+
+        is.read();
+        socket.close();
+        is.read();
+    }
+
+    static ServerSocket serverSocket;
+    static Exception serverException = null;
+
+    public static void main(String[] args) throws Exception {
+        IPSupport.throwSkippedExceptionIfNonOperational();
+        InetAddress loopback = InetAddress.getLoopbackAddress();
+        serverSocket = new ServerSocket();
+        serverSocket.bind(new InetSocketAddress(loopback, 0));
+        startServer();
+        try {
+            doClientSide(serverSocket.getLocalPort());
+        } catch (SocketException e) {
+            if (!e.getMessage().equalsIgnoreCase("Socket closed")) {
+                throw new Exception("Received a wrong exception message: " +
+                                        e.getMessage());
+            }
+            System.out.println("PASSED: received the right exception message: "
+                                        + e.getMessage());
+        }
+        if (serverException != null) {
+            throw serverException;
+        }
+    }
+
+    static void startServer() {
+        (new Thread() {
+            public void run() {
+                try {
+                    doServerSide();
+                } catch (Exception e) {
+                    e.printStackTrace();
+                }
+            }
+        }).start();
+    }
+}