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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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72
test/jdk/java/util/AbstractMap/AbstractMapClone.java Normal file
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/*
* 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 4328748
* @summary AbstractMap's clone() method is implemented to
* reset AbstractMap's private fields after super.clone()
*
* @author Konstantin Kladko
*/
import java.util.AbstractMap;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
public class AbstractMapClone extends AbstractMap implements Cloneable {
private Map map = new HashMap();
public Set entrySet() {
return map.entrySet();
}
public Object put(Object key, Object value) {
return map.put(key, value);
}
public Object clone() {
final AbstractMapClone clone;
try {
clone = (AbstractMapClone)super.clone();
} catch (CloneNotSupportedException e) {
throw new AssertionError(e);
}
clone.map = (Map)((HashMap)map).clone();
return clone;
}
public static void main(String[] args) {
AbstractMapClone m1 = new AbstractMapClone();
m1.put("1", "1");
Set k1 = m1.keySet();
AbstractMapClone m2 = (AbstractMapClone)m1.clone();
Set k2 = m2.keySet();
m2.put("2","2");
if (k1.equals(k2)) {
throw new RuntimeException("AbstractMap.clone() failed.");
}
}
}

61
test/jdk/java/util/AbstractMap/Equals.java Normal file
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/*
* Copyright (c) 2001, 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.
*/
import java.util.HashMap;
import java.util.Hashtable;
import java.util.Map;
import java.util.Set;
import java.util.TreeMap;
import java.util.TreeSet;
/**
* @test
* @bug 4503672
* @summary AbstractMap.equals and AbstractSet.equals are fragile: they
* throw exceptions when they should return false.
* @author Josh Bloch
*/
public class Equals {
public static void main(String[] args) {
Map m = new HashMap();
m.put(null, "");
Map h = new Hashtable();
h.put("", "");
if (m.equals(h))
throw new RuntimeException("1");
Map m1 = new TreeMap();
m1.put(new Integer(42), "The Answer");
Map m2 = new TreeMap();
m2.put("The Answer", new Integer(42));
if (m1.equals(m2))
throw new RuntimeException("3");
Set s1 = new TreeSet();
s1.add(new Integer(666));
Set s2 = new TreeSet();
s2.add("Great googly moogly!");
if (s1.equals(s2))
throw new RuntimeException("2");
}
}

105
test/jdk/java/util/AbstractMap/SimpleEntries.java Normal file
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/*
* Copyright (c) 2005, 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 4904074 6328220 6330389 8308167
* @modules java.base/jdk.internal.util
* @summary Basic tests for several Map.Entry implementations
* @author Martin Buchholz
*/
import java.util.Map;
import jdk.internal.util.NullableKeyValueHolder;
import static java.util.AbstractMap.SimpleEntry;
import static java.util.AbstractMap.SimpleImmutableEntry;
public class SimpleEntries {
private static String k = "foo";
private static Long v = 1L;
private static Long v2 = 2L;
private static void realMain(String[] args) throws Throwable {
testEntry(new SimpleEntry<String,Long>(k,v));
testEntry(new SimpleImmutableEntry<String,Long>(k,v));
testEntry(Map.entry(k,v));
testEntry(Map.Entry.copyOf(Map.entry(k,v)));
testEntry(new NullableKeyValueHolder(k,v));
testNullEntry(new SimpleEntry<String,Long>(null,null));
testNullEntry(new SimpleImmutableEntry<String,Long>(null,null));
testNullEntry(new NullableKeyValueHolder(null,null));
}
private static void testEntry(Map.Entry<String,Long> e) {
equal(e.getKey(), k);
equal(e.getValue(), v);
equal(e, new SimpleEntry<String,Long>(k,v));
check(! e.equals(new SimpleEntry<String,Long>(k,v2)));
check(! e.equals(null));
equal(e, new SimpleImmutableEntry<String,Long>(k,v));
equal(e.toString(), k+"="+v);
check(e.hashCode() == 101575); // hash("foo") ^ hash(1L)
if (e instanceof SimpleEntry) {
equal(e.setValue(v2), v);
equal(e.getValue(), v2);
equal(e.setValue(null), v2);
equal(e.getValue(), null);
} else {
try { e.setValue(v2); fail(); }
catch (UnsupportedOperationException t) {}
catch (Throwable t) { unexpected(t); }
}
}
private static void testNullEntry(Map.Entry<String,Long> e) {
equal(e.getKey(), null);
equal(e.getValue(), null);
equal(e, new SimpleEntry<String,Long>(null, null));
equal(e, new SimpleImmutableEntry<String,Long>(null, null));
equal(e.toString(), "null=null");
check(e.hashCode() == 0);
if (e instanceof SimpleEntry) {
equal(e.setValue(v), null);
equal(e.getValue(), v);
} else {
try { e.setValue(null); fail(); }
catch (UnsupportedOperationException t) {}
catch (Throwable t) { unexpected(t); }
}
}
//--------------------- Infrastructure ---------------------------
static volatile int passed = 0, failed = 0;
static void pass() {passed++;}
static void fail() {failed++; Thread.dumpStack();}
static void fail(String msg) {System.out.println(msg); fail();}
static void unexpected(Throwable t) {failed++; t.printStackTrace();}
static void check(boolean cond) {if (cond) pass(); else fail();}
static void equal(Object x, Object y) {
if (x == null ? y == null : x.equals(y)) pass();
else fail(x + " not equal to " + y);}
public static void main(String[] args) throws Throwable {
try {realMain(args);} catch (Throwable t) {unexpected(t);}
System.out.printf("%nPassed = %d, failed = %d%n%n", passed, failed);
if (failed > 0) throw new AssertionError("Some tests failed");}
}

55
test/jdk/java/util/AbstractMap/ToString.java Normal file
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/*
* Copyright (c) 2001, 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 4486049
* @summary toString method fails if size changes in between a call to size
* and an attempt to iterate.
* @author Josh Bloch
*/
import java.util.LinkedHashMap;
import java.util.Map;
public class ToString {
public static void main(String[] args) {
Map m = new LyingMap();
if (!m.toString().equals("{}"))
throw new RuntimeException(m.toString() + "!= {}");
m.put("x", "1");
if (!m.toString().equals("{x=1}"))
throw new RuntimeException(m.toString() + "!= {x=1}");
m.put("y", "2");
if (!m.toString().equals("{x=1, y=2}"))
throw new RuntimeException(m.toString() + "!= {x=1, y=2}");
}
}
class LyingMap extends LinkedHashMap {
public int size() {
return super.size() + 1; // Lies, lies, all lies!
}
}