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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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185
test/jdk/java/io/Serializable/oldTests/WritePrimitive.java Normal file
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/*
* Copyright (c) 2005, 2021, 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 8276806 8278463
* @summary it is a new version of an old test which was
* /src/share/test/serialization/piotest.java
* Test of serialization/deserialization of
* primitives
*
* @build PrimitivesTest
* @run main WritePrimitive
*/
import java.io.*;
import java.util.Arrays;
public class WritePrimitive {
public static void main (String argv[]) throws IOException {
System.err.println("\nRegression test for testing of " +
"serialization/deserialization of primitives \n");
int i = 123456;
byte b = 12;
short s = 45;
char c = 'A';
long l = 1234567890000L;
float f = 3.14159f;
double d = f * 2;
boolean z = true;
String string = "The String";
PrimitivesTest prim = new PrimitivesTest();
byte[] ba = {1, 2, 3, 4, 5, 6, 7}; // byte array to write
byte[] bytes;
try (ByteArrayOutputStream ostream = new ByteArrayOutputStream();
ObjectOutputStream p = new ObjectOutputStream(ostream)) {
p.writeInt(i);
p.writeByte(b);
p.writeShort(s);
p.writeChar(c);
p.writeLong(l);
p.writeFloat(f);
p.writeDouble(d);
p.writeBoolean(z);
p.write(ba); // for simple read(byte[])
p.write(ba); // for readFully(byte[])
p.write(ba, 0, ba.length - 2); // for readFully(byte[], 0, 7)
p.writeUTF(string);
p.writeObject(string);
p.writeObject(prim);
p.flush();
bytes = ostream.toByteArray();
}
ByteArrayInputStream istream = new ByteArrayInputStream(bytes);
try (ObjectInputStream q = new ObjectInputStream(istream);) {
int i_u = q.readInt();
byte b_u = q.readByte();
short s_u = q.readShort();
char c_u = q.readChar();
long l_u = q.readLong();
float f_u = q.readFloat();
double d_u = q.readDouble();
boolean z_u = q.readBoolean();
byte[] ba_readBuf = new byte[ba.length];
int ba_readLen = q.read(ba_readBuf);
byte[] ba_readFullyBuf = new byte[ba.length];
int ba_readFullyLen = q.read(ba_readFullyBuf);
byte[] ba_readFullySizedBuf = new byte[ba.length];
int ba_readFullySizedLen = q.read(ba_readFullySizedBuf, 0, ba.length - 2);
String string_utf = q.readUTF();
String string_u = (String)q.readObject();
if (i != i_u) {
System.err.println("\nint: expected " + i + " actual " +i_u);
throw new Error();
}
if (b != b_u) {
System.err.println("\nbyte: expected " + b + " actual " +b_u);
throw new Error();
}
if (s != s_u) {
System.err.println("\nshort: expected " + s + " actual " +
s_u);
throw new Error();
}
if (c != c_u) {
System.err.println("\nchar: expected " + c + " actual " +
c_u);
throw new Error();
}
if (l != l_u) {
System.err.println("\nlong: expected " + l + " actual " +
l_u);
throw new Error();
}
if (f != f_u) {
System.err.println("\nfloat: expected " + f + " actual " +
f_u);
throw new Error();
}
if (d != d_u) {
System.err.println("\ndouble: expected " + d + " actual " +
d_u);
throw new Error();
}
if (z != z_u) {
System.err.println("\nboolean: expected " + z + " actual " +
z_u);
throw new Error();
}
checkArray("read(byte[])", ba, ba.length, ba_readBuf, ba_readLen);
checkArray("readFully(byte[])", ba, ba.length, ba_readFullyBuf, ba_readFullyLen);
checkArray("readFully(byte[], off, len)", ba, ba.length - 2, ba_readFullySizedBuf, ba_readFullySizedLen);
if (!string.equals(string_utf)) {
System.err.println("\nString: expected " + string +
" actual " + string_utf);
throw new Error();
}
if (!string.equals(string_u)) {
System.err.println("\nString: expected " + string +
" actual " + string_u);
throw new Error();
}
PrimitivesTest prim_u = (PrimitivesTest)q.readObject();
if (!prim.equals(prim_u)) {
System.err.println("\nTEST FAILED: Read primitive object " +
"correctly = " + false);
System.err.println("\n " + prim);
System.err.println("\n " + prim_u);
throw new Error();
}
System.err.println("\nTEST PASSED");
} catch (Exception e) {
System.err.print("TEST FAILED: ");
e.printStackTrace();
System.err.println("\nBytes read: " + (bytes.length - istream.available()) +
", Input remaining: " + istream.available());
int ch;
try {
while ((ch = istream.read()) != -1) {
System.err.print("\n " + Integer.toString(ch, 16)+ " ");
}
System.out.println("\n ");
} catch (Exception fex) {
throw new Error();
}
throw new Error();
}
}
static void checkArray(String label, byte[] expected, int expectedLen, byte[] actual, int actualLen) {
int mismatch = Arrays.mismatch(expected, 0, expectedLen, actual, 0, actualLen);
if (actualLen != expectedLen || mismatch >= 0) {
System.err.println("\n" + label + ": expected " + expectedLen + " actual " + actualLen + ", mismatch: " + mismatch);
throw new Error();
}
}
}