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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.
This commit is contained in:
russell@unturf.com 2026-03-26 17:11:57 -04:00
commit 0a580b313d
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test/jdk/sun/java2d/OpenGL/SrcMaskOps.java Normal file
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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 4942939 4970674
* @key headful
* @requires (os.family != "mac")
* @summary Verifies that OGLMaskFill, OGLMaskBlit, and OGLTextRenderer
* operations work properly for non-SrcOver composites.
* @run main/othervm -Dsun.java2d.opengl=True SrcMaskOps
* @run main/othervm SrcMaskOps
*/
/*
* @test
* @bug 4942939 4970674
* @key headful
* @requires (os.family == "mac")
* @summary Verifies that OGLMaskFill, OGLMaskBlit, and OGLTextRenderer
* operations work properly for non-SrcOver composites.
* @run main/othervm -Dsun.java2d.opengl=True SrcMaskOps
* @run main/othervm SrcMaskOps
*/
import java.awt.AlphaComposite;
import java.awt.Color;
import java.awt.EventQueue;
import java.awt.Font;
import java.awt.Frame;
import java.awt.GradientPaint;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Panel;
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.RenderingHints;
import java.awt.Robot;
import java.awt.image.BufferedImage;
import java.io.File;
import javax.imageio.ImageIO;
public class SrcMaskOps extends Panel {
static volatile Frame frame;
static volatile SrcMaskOps test;
static final int SRX = 50;
static final int SRY = 50;
static final int GPX = 90;
static final int GPY = 50;
static final int DTX = 120;
static final int DTY = 70;
public void paint(Graphics g) {
Graphics2D g2d = (Graphics2D)g;
g2d.setColor(Color.white);
g2d.fillRect(0, 0, getWidth(), getHeight());
g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
RenderingHints.VALUE_ANTIALIAS_ON);
g2d.setComposite(AlphaComposite.Src);
g2d.setColor(Color.blue);
g2d.drawRect(SRX, SRY, 20, 20);
g2d.setPaint(new GradientPaint(0.0f, 0.0f, Color.red,
100.0f, 100.f, Color.red, true));
g2d.drawRect(GPX, GPY, 20, 20);
g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
RenderingHints.VALUE_ANTIALIAS_OFF);
g2d.setColor(Color.red);
Font font = new Font(Font.DIALOG, Font.PLAIN, 20);
g2d.setFont(font);
g2d.drawString("HELLO", DTX, DTY);
}
static void createUI() {
frame = new Frame("OpenGL SrcMaskOps Test");
test = new SrcMaskOps();
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();
BufferedImage capture = null;
try {
EventQueue.invokeAndWait(SrcMaskOps::createUI);
robot.waitForIdle();
robot.delay(3000);
// Grab the screen region
Point pt1 = test.getLocationOnScreen();
Rectangle rect = new Rectangle(pt1.x, pt1.y, 300, 300);
capture = robot.createScreenCapture(rect);
} finally {
if (frame != null) {
EventQueue.invokeAndWait(frame::dispose);
}
}
// Test solid rectangle
int pixel1, pixel2;
pixel1 = capture.getRGB(SRX, SRY);
pixel2 = capture.getRGB(SRX+2, SRY+2);
if (!similar(pixel1, 0xff0000ff) || !similar(pixel2, 0xffffffff)) {
saveImage(capture);
throw new RuntimeException(getMsg("solid rectangle", pixel1, pixel2));
}
// Test GradientPaint rectangle
pixel1 = capture.getRGB(GPX, GPY);
pixel2 = capture.getRGB(GPX+2, GPY+2);
if (!similar(pixel1, 0xffff0000) || !similar(pixel2, 0xffffffff)) {
saveImage(capture);
throw new RuntimeException(getMsg("GradientPaint rectangle", pixel1, pixel2));
}
// Test solid text
pixel1 = capture.getRGB(DTX+2, DTY-5);
pixel2 = capture.getRGB(DTX+5, DTY-5);
if (!similar(pixel1, 0xffff0000) || !similar(pixel2, 0xffffffff)) {
saveImage(capture);
throw new RuntimeException(getMsg("solid text", pixel1, pixel2));
}
}
static boolean similar(int p1, int p2) {
int a1 = (p1 >> 24) & 0xff;
int r1 = (p1 >> 16) & 0xff;
int g1 = (p1 >> 8) & 0xff;
int b1 = p1 & 0xff;
int a2 = (p2 >> 24) & 0xff;
int r2 = (p2 >> 16) & 0xff;
int g2 = (p2 >> 8) & 0xff;
int b2 = p2 & 0xff;
int allowedDiff = 0x10;
return
(Math.abs(a1 - a2) <= allowedDiff) &&
(Math.abs(r1 - r2) <= allowedDiff) &&
(Math.abs(g1 - g2) <= allowedDiff) &&
(Math.abs(b1 - b2) <= allowedDiff);
}
static String getMsg(String r, int p1, int p2) {
return "Failed: Incorrect color[s] for " + r + " got " +
Integer.toHexString(p1) + " and " + Integer.toHexString(p2);
}
static void saveImage(BufferedImage img) {
try {
File file = new File("capture.png");
ImageIO.write(img, "png", file);
} catch (Exception e) {
e.printStackTrace();
}
}
}