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

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.
2026-03-26 17:11:57 -04:00 · 2026-03-26 17:11:57 -04:00 · 0a580b313d
commit 0a580b313d
70422 changed files with 17213626 additions and 0 deletions
--- a/test/jdk/java/text/Normalizer/ThreadSafeTest.java
+++ b/test/jdk/java/text/Normalizer/ThreadSafeTest.java
@ -0,0 +1,142 @@
+/*
+ * Copyright (c) 2018, 2020, 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 4221795 8032446 8174270
+ * @summary Confirm that java.text.Normalizer and sun.text.Normalizer are
+ * thread-safe.
+ * @modules java.base/sun.text java.base/jdk.internal.icu.text
+ * @compile -XDignore.symbol.file ThreadSafeTest.java
+ * @run main/othervm -esa ThreadSafeTest 5 10
+ */
+
+// Usage: java ThreadSafeTest [threadsFactor [duration]]
+public class ThreadSafeTest {
+
+    static volatile boolean runrun = true;
+    static volatile boolean error = false;
+
+    public static void main(String[] args) throws Exception {
+        int threadsFactor = 5;
+        if (args.length > 0) {
+            threadsFactor = Math.max(Integer.parseInt(args[0]), 5);
+        }
+        int duration = 180;
+        if (args.length > 1) {
+            duration = Math.max(5, Integer.parseInt(args[1]));
+        }
+        int nProcessors = Runtime.getRuntime().availableProcessors();
+        int nTasks = nProcessors * threadsFactor;
+        Thread[] tasks = new Thread[nTasks];
+
+        System.out.println("Testing with " + nTasks + " threads on " +
+                           nProcessors + " processors for " + duration +
+                           " seconds.");
+
+        for (int i = 0; i < nTasks; i++) {
+            tasks[i] = new Thread(new Worker());
+        }
+        for (int i = 0; i < nTasks; i++) {
+            tasks[i].start();
+        }
+
+        try {
+            for (int i = 0; runrun && i < duration; i++) {
+                Thread.sleep(1000); // 1 second
+            }
+            runrun = false;
+            for (int i = 0; i < nTasks; i++) {
+                tasks[i].join();
+            }
+        }
+        catch (InterruptedException e) {
+        }
+
+        if (error) {
+            throw new RuntimeException("Normalizer is not thread-safe.");
+        }
+    }
+
+    static void testJavaNormalize(int num, java.text.Normalizer.Form form) {
+        String got = java.text.Normalizer.normalize(data[num][0], form);
+        if (!got.equals(data[num][1])) {
+            System.err.println("java.text.Normalizer.normalize(" +
+                               form.toString() + ") failed.");
+            error = true;
+        }
+    }
+
+    static void testSunNormalize(int num, java.text.Normalizer.Form form,
+                                 int option) {
+        String got = sun.text.Normalizer.normalize(data[num][0], form, option);
+        if (!got.equals(data[num][1])) {
+            System.err.println("sun.text.Normalizer.normalize(" +
+                               form.toString() + ", " +
+                               Integer.toHexString(option) + ") failed.");
+            error = true;
+        }
+    }
+
+    static void testIsNormalized(int num, java.text.Normalizer.Form form) {
+        boolean normalized = java.text.Normalizer.isNormalized(data[num][1], form);
+        if (!normalized) {
+            System.err.println("java.text.Normalizer.isNormalized(" +
+                               form.toString() + ") failed.");
+            error = true;
+        }
+    }
+
+    static class Worker implements Runnable {
+        public void run() {
+            while (runrun) {
+                testJavaNormalize(0, java.text.Normalizer.Form.NFKC);
+                testSunNormalize(1, java.text.Normalizer.Form.NFC,
+                                 sun.text.Normalizer.UNICODE_3_2);
+                testJavaNormalize(2, java.text.Normalizer.Form.NFKD);
+                testSunNormalize(3, java.text.Normalizer.Form.NFC,
+                            jdk.internal.icu.text.NormalizerBase.UNICODE_LATEST);
+                testJavaNormalize(4, java.text.Normalizer.Form.NFD);
+
+                testIsNormalized(0, java.text.Normalizer.Form.NFKC);
+                testIsNormalized(2, java.text.Normalizer.Form.NFKD);
+                testIsNormalized(4, java.text.Normalizer.Form.NFD);
+
+                if (error) {
+                    runrun = false;
+                    return;
+                }
+            }
+        }
+    }
+
+    static final String[][] data = {
+     /*      From:                             To:           */
+      {"A\u0300\u0316",                  "\u00C0\u0316"},
+      {"\u0071\u0307\u0323\u0072",       "\u0071\u0323\u0307\u0072"},
+      {"\u0f77",                         "\u0fb2\u0f71\u0f80"},
+      {"D\u0307\u0328\u0323",            "\u1e0c\u0328\u0307"},
+      {"\u0f71\u0f72\u0f73\u0f74\u0f75",
+                 "\u0F71\u0F71\u0F71\u0F72\u0F72\u0F74\u0F74"},
+    };
+}