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.

test/jdk/java/io/Serializable/readObjectNoData/Write.java

@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 2000, 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 4363844
+ *
+ * @clean Write Read A B C D E F
+ * @compile Write.java
+ * @run main Write
+ * @clean Write Read A B C D E F
+ * @compile Read.java
+ * @run main Read
+ *
+ * @summary Verify that a custom readObjectNoData method, if defined properly
+ *          by a serializable superclass, gets invoked during deserialization
+ *          of a subclass instance whose serialized form omits a class
+ *          descriptor corresponding to the superclass.
+ */
+
+import java.io.*;
+
+class D implements Serializable {
+    private static final long serialVersionUID = 0L;
+}
+
+class F extends D {
+    private static final long serialVersionUID = 0L;
+}
+
+public class Write {
+    public static void main(String[] args) throws Exception {
+        ObjectOutputStream oout =
+            new ObjectOutputStream(new FileOutputStream("tmp.ser"));
+        oout.writeObject(new F());
+        oout.close();
+    }
+}