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/URL/GetContent.java
+++ b/test/jdk/java/net/URL/GetContent.java
@ -0,0 +1,100 @@
+/*
+ * Copyright (c) 1998, 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 4145315
+ * @library /test/lib
+ * @summary Test a read from nonexistant URL
+ * @run main GetContent
+ * @run main/othervm -Djava.net.preferIPv6Addresses GetContent
+ */
+
+import java.net.*;
+import java.io.*;
+import jdk.test.lib.net.URIBuilder;
+
+public class GetContent implements Runnable {
+
+     ServerSocket ss;
+
+     public void run() {
+        try (Socket s = ss.accept()) {
+            s.setTcpNoDelay(true);
+
+            PrintStream out = new PrintStream(
+                                 new BufferedOutputStream(
+                                    s.getOutputStream() ));
+
+            out.print("HTTP/1.1 404 Not Found\r\n");
+            out.print("Connection: close\r\n");
+            out.print("Content-Type: text/html; charset=iso-8859-1\r\n");
+            out.print("\r\n");
+            out.flush();
+            out.print("<HTML><BODY>Sorry, page not found</BODY></HTML>");
+            out.flush();
+
+            // wait for client to read response - otherwise http
+            // client get error and re-establish connection
+            Thread.sleep(2000);
+
+        } catch (Exception e) {
+            e.printStackTrace();
+        } finally {
+            try { ss.close(); } catch (IOException unused) {}
+        }
+     }
+
+     GetContent() throws Exception {
+         InetAddress loopback = InetAddress.getLoopbackAddress();
+         ss = new ServerSocket();
+         ss.bind(new InetSocketAddress(loopback, 0));
+
+         Thread thr = new Thread(this);
+         thr.start();
+
+         boolean error = true;
+         try {
+             java.net.URL url = URIBuilder.newBuilder()
+                 .scheme("http")
+                 .host(ss.getInetAddress())
+                 .port(ss.getLocalPort())
+                 .path("/no-such-name")
+                 .toURL();
+             Object obj = url.openConnection(Proxy.NO_PROXY)
+                          .getContent();
+             InputStream in = (InputStream) obj;
+             byte buff[] = new byte[200];
+             int len = in.read(buff);
+         } catch (IOException ex) {
+             error = false;
+         }
+
+         if (error)
+             throw new RuntimeException("No IOException generated.");
+     }
+
+     public static void main(String args[]) throws Exception {
+        new GetContent();
+     }
+}