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/InetAddress/CheckJNI.java
+++ b/test/jdk/java/net/InetAddress/CheckJNI.java
@ -0,0 +1,103 @@
+/*
+ * Copyright (c) 2003, 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 4889870 4890033
+ * @summary java -Xcheck:jni failing in net code on Solaris / [Datagram]Socket.getLocalAddress() failure
+ * @library /test/lib
+ * @build jdk.test.lib.NetworkConfiguration
+ *        jdk.test.lib.Platform
+ * @run main/othervm -Xcheck:jni CheckJNI
+ */
+
+import java.net.*;
+import java.util.*;
+import java.util.stream.Collectors;
+import jdk.test.lib.NetworkConfiguration;
+import jdk.test.lib.net.IPSupport;
+
+public class CheckJNI {
+    public static void main (String[] args) throws Exception {
+        /* try to invoke as much java.net native code as possible */
+
+        InetAddress loopback = InetAddress.getLoopbackAddress();
+        System.out.println("Testing loopback Socket/ServerSocket");
+        testSocket(loopback);
+
+        System.out.println("Testing loopback DatagramSocket");
+        testDatagram(loopback);
+
+        if (IPSupport.hasIPv4()) {
+            InetAddress loopback4 = InetAddress.getByName("127.0.0.1");
+            System.out.println("Testing IPv4 Socket/ServerSocket");
+            testSocket(loopback4);
+
+            System.out.println("Testing IPv4 DatagramSocket");
+            testDatagram(loopback4);
+        }
+
+        /* Find link local IPv6 addrs to test */
+        List<Inet6Address> addrs = NetworkConfiguration.probe()
+                .ip6Addresses()
+                .filter(Inet6Address::isLinkLocalAddress)
+                .collect(Collectors.toList());
+
+        for (Inet6Address ia6 : addrs) {
+            System.out.println("Address:" + ia6);
+            System.out.println("Testing IPv6 Socket");
+            testSocket(ia6);
+
+            System.out.println("Testing IPv6 DatagramSocket");
+            testDatagram(ia6);
+        }
+        System.out.println("OK");
+    }
+
+    static void testSocket(InetAddress ia) throws Exception {
+        ServerSocket server = new ServerSocket(0, 0, ia);
+        Socket s = new Socket(ia, server.getLocalPort());
+        s.close();
+        server.close();
+    }
+
+    static void testDatagram(InetAddress ia) throws Exception {
+        DatagramSocket s1 = new DatagramSocket(0, ia);
+        DatagramSocket s2 = new DatagramSocket(0, ia);
+        System.out.println("s1: local address=" + s1.getLocalAddress()
+                            + ", local port=" + s1.getLocalPort());
+        System.out.println("s2: local address=" + s2.getLocalAddress()
+                            + ", local port=" + s2.getLocalPort());
+
+        DatagramPacket p1 = new DatagramPacket (
+                "hello world".getBytes(),
+                0, "hello world".length(), s2.getLocalAddress(),
+                s2.getLocalPort()
+        );
+
+        DatagramPacket p2 = new DatagramPacket(new byte[128], 128);
+        s1.send(p1);
+        s2.receive(p2);
+        s1.close();
+        s2.close();
+    }
+}