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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
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test/jdk/java/util/ResourceBundle/Control/StressTest.java Normal file
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/*
* Copyright (c) 2007, 2022, 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 5102289
* @summary Stress test for ResourceBundle.getBundle with ResourceBundle.Control.
* @run main/othervm -esa StressTest 2 15
* @key randomness
*/
import java.util.*;
import java.util.concurrent.atomic.*;
// Usage: java StressTest [threadsFactor [duration]]
public class StressTest {
static final Random rand = new Random();
static final Locale[] locales = {
Locale.US,
Locale.CHINA,
Locale.ROOT,
Locale.JAPAN,
Locale.CANADA,
Locale.KOREA
};
static final String[] expected = {
"U.S.A.",
"China",
"U.S.A.",
"Japan",
"U.S.A.", // StressOut_en_CA.properties is empty.
"Korea"
};
static final long startTime = System.currentTimeMillis();
// increment each element when one getBundle call is done.
static AtomicIntegerArray counters;
static int[] prevCounters;
static int intervalForCounterCheck;
static AtomicInteger clearCounter = new AtomicInteger();
static volatile boolean runrun = true;
public static void main(String[] args) {
int threadsFactor = 2;
if (args.length > 0) {
threadsFactor = Math.max(2, Integer.parseInt(args[0]));
}
int duration = 180;
if (args.length > 1) {
duration = Math.max(5, Integer.parseInt(args[1]));
}
Locale reservedLocale = Locale.getDefault();
try {
Locale.setDefault(Locale.US);
Thread[] tasks = new Thread[locales.length * threadsFactor];
counters = new AtomicIntegerArray(tasks.length);
for (int i = 0; i < tasks.length; i++) {
tasks[i] = new Thread(new Worker(i));
}
for (int i = 0; i < tasks.length; i++) {
tasks[i].start();
}
int nProcessors = Runtime.getRuntime().availableProcessors();
intervalForCounterCheck = Math.max(tasks.length / nProcessors, 1);
System.out.printf(
"%d processors, intervalForCounterCheck = %d [sec]%n",
nProcessors, intervalForCounterCheck);
try {
for (int i = 0; runrun && i < duration; i++) {
Thread.sleep(1000); // 1 second
if ((i % intervalForCounterCheck) == 0) {
checkCounters();
}
}
runrun = false;
for (int i = 0; i < tasks.length; i++) {
tasks[i].join();
}
} catch (InterruptedException e) {
}
printCounters();
} finally {
// restore the reserved locale
Locale.setDefault(reservedLocale);
}
}
static void checkCounters() {
int length = counters.length();
int[] snapshot = new int[length];
for (int i = 0; i < length; i++) {
snapshot[i] = counters.get(i);
}
if (prevCounters == null) {
prevCounters = snapshot;
return;
}
for (int i = 0; i < length; i++) {
if (snapshot[i] > prevCounters[i]) {
continue;
}
System.out.printf(
"Warning: Thread #%d hasn't updated its counter for the last %d second(s).%n",
i, intervalForCounterCheck);
}
prevCounters = snapshot;
}
static void printCounters() {
long total = 0;
int min = Integer.MAX_VALUE;
int max = Integer.MIN_VALUE;
for (int i = 0; i < counters.length(); i++) {
int counter = counters.get(i);
total += counter;
min = Math.min(min, counter);
max = Math.max(max, counter);
}
System.out.printf("Total: %d calls, min=%d, max=%d, cache cleared %d times%n",
total, min, max, clearCounter.get());
}
static class Worker implements Runnable {
final int id;
final int index;
final Locale locale;
final String str;
final int max;
final boolean cleaner;
ResourceBundle.Control control;
Worker(int i) {
id = i;
index = i % locales.length;
locale = locales[index];
cleaner = locale.equals(Locale.ROOT);
str = expected[index];
max = rand.nextInt((index + 1) * 500) + 1000;
control = new TestControl(max);
System.out.println("Worker" + i + ": locale="+locale+", expected="+str+
", max="+max);
}
public void run() {
while (runrun) {
ResourceBundle rb = ResourceBundle.getBundle("StressOut", locale, control);
counters.incrementAndGet(id);
String s = rb.getString("data");
if (!s.equals(str)) {
runrun = false;
throw new RuntimeException(locale + ": rb.locale=" + rb.getLocale() +
", got " + s + ", expected " + str);
}
try {
Thread.sleep(rand.nextInt(max/500));
} catch (InterruptedException e) {
}
if (cleaner && (rand.nextInt(10000) == 0)) {
//System.out.println("Clearing cache!");
ResourceBundle.clearCache();
clearCounter.incrementAndGet();
}
}
}
static class TestControl extends ResourceBundle.Control {
int max;
public List<Locale> getCandidateLocales(String baseName, Locale locale) {
List<Locale> list = super.getCandidateLocales(baseName, locale);
//System.out.println("Candidate locales=" + list);
return list;
}
public TestControl(int max) {
this.max = max;
}
public long getTimeToLive(String baseName, Locale locale) {
// This will set TTL to a random value for each bundle.
long ttl = rand.nextInt(max);
//System.out.println("TTL: " + baseName + "_" + locale + " for " + ttl);
return ttl;
}
public boolean needsReload(String baseName, Locale locale,
String format, ClassLoader loader,
ResourceBundle bundle, long loadTime) {
//System.out.println("Expired: " + baseName + "_" + locale + "." + format +
// " at " + (loadTime-startTime) + ", bundle=" + bundle);
return rand.nextBoolean();
}
}
}
}