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/SocketOption/SupportedOptionsSet.java
+++ b/test/jdk/java/net/SocketOption/SupportedOptionsSet.java
@ -0,0 +1,86 @@
+/*
+ * Copyright (c) 2016, 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.
+ */
+
+import java.io.IOException;
+import java.net.ServerSocket;
+import java.net.Socket;
+import java.util.Set;
+import static java.lang.System.out;
+import jdk.test.lib.net.IPSupport;
+
+/*
+ * @test
+ * @bug 8143923
+ * @library /test/lib
+ * @summary java.net socket supportedOptions set depends on call order
+ * @run main/othervm SupportedOptionsSet first
+ * @run main/othervm SupportedOptionsSet second
+ * @run main/othervm -Djava.net.preferIPv4Stack=true SupportedOptionsSet first
+ * @run main/othervm -Djava.net.preferIPv4Stack=true SupportedOptionsSet second
+ */
+
+// Run with othervm as the implementation of the supported options sets, once
+// calculated, stores them in a private static fields.
+
+public class SupportedOptionsSet {
+
+    public static void main(String[] args) throws IOException {
+        IPSupport.throwSkippedExceptionIfNonOperational();
+
+        if (args[0].equals("first"))
+            first();
+        else if (args[0].equals("second"))
+            second();
+    }
+
+    static void first() throws IOException {
+        try (Socket s = new Socket();
+             ServerSocket ss = new ServerSocket())
+        {
+            Set<?> first = s.supportedOptions();
+            Set<?> second = ss.supportedOptions();
+            assertNotEqual(first, second,
+                 "Socket and ServerSocket should have different options.");
+        }
+    }
+
+    /** Tests with the order of access to supportedOptions reversed.  */
+    static void second() throws IOException {
+        try (ServerSocket ss = new ServerSocket();
+             Socket s = new Socket())
+        {
+            Set<?> first = ss.supportedOptions();
+            Set<?> second = s.supportedOptions();
+            assertNotEqual(first, second,
+                "ServerSocket and Socket should have different options.");
+        }
+    }
+
+    static void assertNotEqual(Set<?> s1, Set<?> s2, String message) {
+        if (s1.equals(s2)) {
+            out.println("s1: " + s1);
+            out.println("s2: " + s2);
+            throw new RuntimeException(message);
+        }
+    }
+}