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/awt/font/NumericShaper/MTTest.java
+++ b/test/jdk/java/awt/font/NumericShaper/MTTest.java
@ -0,0 +1,135 @@
+/*
+ * Copyright (c) 2010, 2025, 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 6843181 6943963
+ * @summary Confirm that NumericShaper is thread-safe.
+ * @run main/timeout=400/othervm MTTest
+ */
+
+import java.awt.font.NumericShaper;
+import java.util.Arrays;
+import java.util.EnumSet;
+import static java.awt.font.NumericShaper.*;
+
+public class MTTest {
+    static volatile boolean runrun = true;
+    static volatile boolean err = false;
+
+    final static String text = "-123 (English) 456.00 (Arabic) \u0641\u0642\u0643 -456 (Thai) \u0e01\u0e33 01.23";
+    final static char[] expected1 = "-123 (English) 456.00 (Arabic) \u0641\u0642\u0643 -\u06f4\u06f5\u06f6 (Thai) \u0e01\u0e33 \u0e50\u0e51.\u0e52\u0e53".toCharArray(); // for EASTERN_ARABIC
+    final static char[] expected2 = "-123 (English) 456.00 (Arabic) \u0641\u0642\u0643 -\u0664\u0665\u0666 (Thai) \u0e01\u0e33 \u0e50\u0e51.\u0e52\u0e53".toCharArray(); // for ARABIC
+
+    static NumericShaper ns1, ns2, ns3, ns4;
+
+    public static void main(String[] args) {
+        System.out.println("original: " + text);
+        ns1 = getContextualShaper(EnumSet.of(Range.EASTERN_ARABIC, Range.THAI),
+                                  Range.EUROPEAN);
+        ns2 = getContextualShaper(EnumSet.of(Range.ARABIC, Range.THAI),
+                                  Range.EUROPEAN);
+        System.out.println("expected for Eastern-Arabic & Thai: " +
+                           String.valueOf(expected1));
+        System.out.println("expected for Arabic & Thai: " +
+                           String.valueOf(expected2));
+
+        ns3 = getContextualShaper(EASTERN_ARABIC|THAI, EUROPEAN);
+        ns4 = getContextualShaper(ARABIC|THAI, EUROPEAN);
+
+        Thread th1 = new Thread(new Work(ns1, expected1));
+        Thread th2 = new Thread(new Work(ns2, expected2));
+        Thread th3 = new Thread(new Work(ns1, expected1));
+        Thread th4 = new Thread(new Work(ns2, expected2));
+        Thread th5 = new Thread(new Work(ns3, expected1));
+        Thread th6 = new Thread(new Work(ns4, expected2));
+        Thread th7 = new Thread(new Work(ns3, expected1));
+        Thread th8 = new Thread(new Work(ns4, expected2));
+
+        th1.start();
+        th2.start();
+        th3.start();
+        th4.start();
+        th5.start();
+        th6.start();
+        th7.start();
+        th8.start();
+
+        try {
+            for (int i = 0; runrun && i < 180; i++) {
+                Thread.sleep(1000); // 1 seconds
+            }
+            runrun = false;
+            th1.join();
+            th2.join();
+            th3.join();
+            th4.join();
+            th5.join();
+            th6.join();
+            th7.join();
+            th8.join();
+        }
+        catch (InterruptedException e) {
+        }
+
+        if (err) {
+            throw new RuntimeException("Thread-safe test failed.");
+        }
+    }
+
+    private static class Work implements Runnable {
+        NumericShaper ns;
+        char[] expectedText;
+
+        Work(NumericShaper ns, char[] expectedText) {
+            this.ns = ns;
+            this.expectedText = expectedText;
+
+        }
+
+        public void run() {
+            int count = 0;
+            while (runrun) {
+                char[] t = text.toCharArray();
+                count++;
+                try {
+                    ns.shape(t, 0, t.length);
+                } catch (Exception e) {
+                    System.err.println("Error: Unexpected exception: " + e);
+                    runrun = false;
+                    err = true;
+                    return;
+                }
+                if (!Arrays.equals(t, expectedText)) {
+                    System.err.println("Error: shape() returned unexpected value: ");
+                    System.err.println("count = " + count);
+                    System.err.println("   expected: " + String.valueOf(expectedText));
+                    System.err.println("        got: " + String.valueOf(t));
+                    runrun = false;
+                    err = true;
+                    return;
+                }
+            }
+        }
+    }
+}