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.

test/jdk/sun/java2d/OpenGL/VolatileSubRegion.java

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+/*
+ * Copyright (c) 2004, 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 6244071
+ * @key headful
+ * @requires (os.family != "mac")
+ * @summary Verifies that copying a subregion from a VolatileImage works
+ * properly with the OGL pipeline.
+ * @run main/othervm  VolatileSubRegion
+ * @run main/othervm -Dsun.java2d.opengl=True -Dsun.java2d.opengl.fbobject=true VolatileSubRegion
+ * @run main/othervm -Dsun.java2d.opengl=True -Dsun.java2d.opengl.fbobject=false VolatileSubRegion
+ */
+
+/*
+ * @test
+ * @bug 6244071
+ * @key headful
+ * @requires (os.family == "mac")
+ * @summary Verifies that copying a subregion from a VolatileImage works
+ * properly with the OGL pipeline.
+ * @run main/othervm VolatileSubRegion
+ * @run main/othervm -Dsun.java2d.opengl=True -Dsun.java2d.opengl.fbobject=true VolatileSubRegion
+ * @run main/othervm -Dsun.java2d.opengl=True -Dsun.java2d.opengl.fbobject=false VolatileSubRegion
+ */
+
+import java.awt.Color;
+import java.awt.Dimension;
+import java.awt.EventQueue;
+import java.awt.Frame;
+import java.awt.Graphics;
+import java.awt.Graphics2D;
+import java.awt.GraphicsConfiguration;
+import java.awt.Panel;
+import java.awt.Point;
+import java.awt.Rectangle;
+import java.awt.Robot;
+import java.awt.image.BufferedImage;
+import java.awt.image.IndexColorModel;
+import java.awt.image.VolatileImage;
+import java.io.File;
+import javax.imageio.ImageIO;
+
+public class VolatileSubRegion extends Panel {
+
+    private VolatileImage img;
+
+    public void paint(Graphics g) {
+
+        Graphics2D g2d = (Graphics2D)g;
+
+        if (img == null) {
+            img = createVolatileImage(200, 200);
+            Graphics2D goff = img.createGraphics();
+            goff.setColor(Color.green);
+            goff.fillRect(50, 0, 100, 50);
+            goff.setColor(Color.blue);
+            goff.fillRect(0, 0, 200, 200);
+            goff.setColor(Color.red);
+            goff.fillRect(50, 50, 100, 100);
+            goff.setColor(Color.yellow);
+            goff.fillRect(50, 150, 100, 50);
+            goff.dispose();
+        }
+
+        g2d.setColor(Color.white);
+        g2d.fillRect(0, 0, getWidth(), getHeight());
+
+        g2d.drawImage(img,
+                      50, 50, 200, 200,
+                      50, 50, 200, 200,
+                      null);
+
+    }
+
+
+    private static volatile VolatileSubRegion test;
+    private static volatile Frame frame;
+
+    static void createUI() {
+        test = new VolatileSubRegion();
+        frame = new Frame("OpenGL VolatileSubRegion Test");
+        frame.add(test);
+        frame.setSize(300, 300);
+        frame.setLocationRelativeTo(null);
+        frame.setVisible(true);
+    }
+
+    public static void main(String[] args) throws Exception {
+        Robot robot = new Robot();
+
+        EventQueue.invokeAndWait(VolatileSubRegion::createUI);
+
+        robot.waitForIdle();
+        robot.delay(2000);
+
+        BufferedImage capture = null;
+        try {
+            GraphicsConfiguration gc = frame.getGraphicsConfiguration();
+            if (gc.getColorModel() instanceof IndexColorModel) {
+                System.out.println("IndexColorModel detected: " +
+                                   "test considered PASSED");
+                return;
+            }
+            Point pt1 = test.getLocationOnScreen();
+            Rectangle rect = new Rectangle(pt1.x, pt1.y, 200, 200);
+            capture = robot.createScreenCapture(rect);
+        } finally {
+            if (frame != null) {
+                 EventQueue.invokeAndWait(frame::dispose);
+            }
+        }
+
+        // Test pixels
+        int pixel1 = capture.getRGB(49, 50);
+        if (pixel1 != 0xffffffff) {
+            saveImage(capture);
+            throw new RuntimeException(getMsg("background pixel", pixel1));
+        }
+        int pixel2 = capture.getRGB(50, 50);
+        if (pixel2 != 0xffff0000) {
+            saveImage(capture);
+            throw new RuntimeException(getMsg("red region", pixel2));
+        }
+        int pixel3 = capture.getRGB(50, 150);
+        if (pixel3 != 0xffffff00) {
+            saveImage(capture);
+            throw new RuntimeException(getMsg("yellow region", pixel3));
+        }
+    }
+
+    static String getMsg(String r, int p1) {
+         return "Failed: Incorrect color for " + r + " : got " + Integer.toHexString(p1);
+    }
+
+    static void saveImage(BufferedImage img) {
+        try {
+            File file = new File("capture.png");
+            ImageIO.write(img, "png", file);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+}