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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.
This commit is contained in:
russell@unturf.com 2026-03-26 17:11:57 -04:00
commit 0a580b313d
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87
test/jdk/java/io/Serializable/class/TestEntry.java Normal file
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/*
* Copyright (c) 1998, 2017, 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.
*/
/*
* @bug 4075221
* @summary Enable serialize of nonSerializable Class descriptor.
*/
import java.io.EOFException;
import java.io.File;
import java.io.FileOutputStream;
import java.io.FileInputStream;
import java.io.InvalidClassException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.ObjectStreamClass;
class TestEntry {
public static void main(String args[]) throws Exception {
File f = new File("tmp.ser");
if (args[0].compareTo("-s") == 0) {
FileOutputStream of = new FileOutputStream(f);
ObjectOutputStream oos = new ObjectOutputStream(of);
Class cl = Class.forName(args[1]);
oos.writeObject(cl);
if (ObjectStreamClass.lookup(cl) != null)
oos.writeObject(cl.newInstance());
oos.close();
System.out.println("Serialized Class " + cl.getName());
} else if (args[0].compareTo("-de") == 0) {
FileInputStream inf = new FileInputStream(f);
ObjectInputStream ois = new ObjectInputStream(inf);
Class cl = null;
try {
cl = (Class)ois.readObject();
throw new Error("Expected InvalidClassException to be thrown");
} catch (InvalidClassException e) {
System.out.println("Caught expected exception DeSerializing class " + e.getMessage());
}
ois.close();
} else if (args[0].compareTo("-doe") == 0) {
FileInputStream inf = new FileInputStream(f);
ObjectInputStream ois = new ObjectInputStream(inf);
Class cl = null;
cl = (Class)ois.readObject();
try {
ois.readObject();
throw new Error("Expected InvalidClassException to be thrown");
} catch (InvalidClassException e) {
System.out.println("Caught expected exception DeSerializing class " + e.getMessage());
}
ois.close();
} else if (args[0].compareTo("-d") == 0) {
FileInputStream inf = new FileInputStream(f);
ObjectInputStream ois = new ObjectInputStream(inf);
Class cl = (Class)ois.readObject();
try {
ois.readObject();
} catch (EOFException e) {
}
ois.close();
System.out.println("DeSerialized Class " + cl.getName());
} else {
throw new RuntimeException("Unrecognized argument");
}
}
}