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.
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test/jdk/sun/java2d/marlin/CrashPaintTest.java
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test/jdk/sun/java2d/marlin/CrashPaintTest.java
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/*
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* Copyright (c) 2016, 2025, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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import java.awt.Color;
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import java.awt.Graphics2D;
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import java.awt.Paint;
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import java.awt.PaintContext;
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import java.awt.Rectangle;
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import java.awt.RenderingHints;
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import java.awt.TexturePaint;
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import java.awt.geom.AffineTransform;
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import java.awt.geom.Ellipse2D;
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import java.awt.geom.Rectangle2D;
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import java.awt.image.BufferedImage;
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import java.awt.image.ColorModel;
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import java.awt.image.Raster;
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import java.io.File;
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import java.io.IOException;
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import java.util.Locale;
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import java.util.logging.Handler;
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import java.util.logging.LogRecord;
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import java.util.logging.Logger;
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import javax.imageio.ImageIO;
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/**
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* @test
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* @bug 8148886
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* @summary Verifies that Marlin supports reentrant operations (ThreadLocal)
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* like in custom Paint or custom Composite
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* @run main CrashPaintTest
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*/
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public class CrashPaintTest {
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static final boolean SAVE_IMAGE = false;
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// initialize j.u.l Looger:
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static final Logger log = Logger.getLogger("sun.java2d.marlin");
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public static void main(String argv[]) {
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Locale.setDefault(Locale.US);
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log.addHandler(new Handler() {
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@Override
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public void publish(LogRecord record) {
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Throwable th = record.getThrown();
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// detect any Throwable:
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if (th != null) {
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System.out.println("Test failed:\n" + record.getMessage());
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th.printStackTrace(System.out);
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throw new RuntimeException("Test failed: ", th);
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}
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}
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@Override
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public void flush() {
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}
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@Override
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public void close() throws SecurityException {
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}
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});
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// enable Marlin logging & internal checks:
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System.setProperty("sun.java2d.renderer.log", "true");
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System.setProperty("sun.java2d.renderer.useLogger", "true");
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System.setProperty("sun.java2d.renderer.doChecks", "true");
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// Force using thread-local storage:
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System.setProperty("sun.java2d.renderer.useThreadLocal", "true");
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// Force smaller pixelsize to force using array caches:
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System.setProperty("sun.java2d.renderer.pixelsize", "256");
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final int width = 300;
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final int height = 300;
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final BufferedImage image = new BufferedImage(width, height,
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BufferedImage.TYPE_INT_ARGB);
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final Graphics2D g2d = (Graphics2D) image.getGraphics();
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try {
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g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
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RenderingHints.VALUE_ANTIALIAS_ON);
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g2d.setBackground(Color.WHITE);
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g2d.clearRect(0, 0, width, height);
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final Ellipse2D.Double ellipse
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= new Ellipse2D.Double(0, 0, width, height);
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final Paint paint = new CustomPaint(100);
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for (int i = 0; i < 20; i++) {
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final long start = System.nanoTime();
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g2d.setPaint(paint);
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g2d.fill(ellipse);
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g2d.setColor(Color.GREEN);
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g2d.draw(ellipse);
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final long time = System.nanoTime() - start;
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System.out.println("paint: duration= " + (1e-6 * time) + " ms.");
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}
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if (SAVE_IMAGE) {
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try {
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final File file = new File("CrashPaintTest.png");
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System.out.println("Writing file: "
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+ file.getAbsolutePath());
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ImageIO.write(image, "PNG", file);
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} catch (IOException ex) {
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System.out.println("Writing file failure:");
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ex.printStackTrace();
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}
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}
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// Check image on few pixels:
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final Raster raster = image.getData();
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// 170, 175 = blue
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checkPixel(raster, 170, 175, Color.BLUE.getRGB());
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// 50, 50 = blue
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checkPixel(raster, 50, 50, Color.BLUE.getRGB());
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// 190, 110 = pink
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checkPixel(raster, 190, 110, Color.PINK.getRGB());
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// 280, 210 = pink
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checkPixel(raster, 280, 210, Color.PINK.getRGB());
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} finally {
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g2d.dispose();
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}
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}
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private static void checkPixel(final Raster raster,
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final int x, final int y,
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final int expected) {
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final int[] rgb = (int[]) raster.getDataElements(x, y, null);
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if (rgb[0] != expected) {
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throw new IllegalStateException("bad pixel at (" + x + ", " + y
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+ ") = " + rgb[0] + " expected: " + expected);
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}
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}
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private static class CustomPaint extends TexturePaint {
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private int size;
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CustomPaint(final int size) {
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super(new BufferedImage(size, size,
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BufferedImage.TYPE_INT_ARGB),
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new Rectangle2D.Double(0, 0, size, size)
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);
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this.size = size;
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}
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@Override
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public PaintContext createContext(ColorModel cm,
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Rectangle deviceBounds,
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Rectangle2D userBounds,
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AffineTransform at,
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RenderingHints hints) {
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// Fill bufferedImage using
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final Graphics2D g2d = (Graphics2D) getImage().getGraphics();
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try {
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g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
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RenderingHints.VALUE_ANTIALIAS_ON);
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g2d.setBackground(Color.PINK);
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g2d.clearRect(0, 0, size, size);
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g2d.setColor(Color.BLUE);
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g2d.drawRect(0, 0, size, size);
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g2d.fillOval(size / 10, size / 10,
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size * 8 / 10, size * 8 / 10);
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} finally {
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g2d.dispose();
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}
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return super.createContext(cm, deviceBounds, userBounds, at, hints);
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}
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}
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}
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