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undefect. CWE-407 — 63 sites patched across 27 ecosystems

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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.
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russell@unturf.com 2026-03-26 17:11:57 -04:00
commit 0a580b313d
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73
test/jdk/java/io/Serializable/parents/OriginalClass.java Normal file
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/*
* Copyright (c) 1999, 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 4186885
* @clean OriginalClass EvolvedClass
* @build OriginalClass
* @run main OriginalClass
* @build EvolvedClass
* @run main EvolvedClass
* @summary To ensure that during deserializing classes, only the highest
* non-serializable class in the hierarchy has its no-arg constructor
* invoked.
*
*/
import java.io.*;
public class OriginalClass {
public static void main(String args[]) throws Exception{
ASubClass corg = new ASubClass(1);
ASubClass cnew = null;
// Serialize the subclass
FileOutputStream fo = new FileOutputStream("parents.ser");
try {
ObjectOutputStream so = new ObjectOutputStream(fo);
so.writeObject(corg);
so.flush();
} finally {
fo.close();
}
System.out.println("Printing the serialized class: ");
System.out.println();
System.out.println(corg);
}
}
class ASubClass implements Serializable {
private static final long serialVersionUID = 6341246181948372513L;
int num;
ASubClass(int num) {
this.num = num;
}
public String toString() {
return ("\nNum: " + num);
}
}