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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/marlin/StrokedLinePerf.java Normal file
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/*
* Copyright (c) 2021, 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.
*/
import java.awt.BasicStroke;
import java.awt.Graphics2D;
import java.awt.RenderingHints;
import java.awt.Stroke;
import java.awt.geom.Line2D;
import java.awt.image.BufferedImage;
import static java.awt.image.BufferedImage.TYPE_INT_ARGB_PRE;
/**
* @test
* @bug 7018932
* @summary fix LoopPipe.getStrokedSpans() performance (clipping enabled by Marlin renderer)
* @run main/othervm/timeout=10 -Dsun.java2d.renderer=sun.java2d.marlin.DMarlinRenderingEngine StrokedLinePerf
*/
public class StrokedLinePerf {
public static void main(String[] unused) {
BufferedImage bi = new BufferedImage(400, 400, TYPE_INT_ARGB_PRE);
test(bi, true);
test(bi, false);
}
private static void test(BufferedImage bi, boolean useAA) {
final long start = System.nanoTime();
final Graphics2D g2d = bi.createGraphics();
g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
(useAA) ? RenderingHints.VALUE_ANTIALIAS_ON
: RenderingHints.VALUE_ANTIALIAS_OFF);
Stroke stroke = new BasicStroke(2.0f, 1, 0, 1.0f, new float[]{0.0f, 4.0f}, 0.0f);
g2d.setStroke(stroke);
//Large values to trigger crash / infinite loop.
g2d.draw(new Line2D.Double(4.0, 1.794369841E9, 567.0, -2.147483648E9));
System.out.println("StrokedLinePerf(" + useAA + "): Test duration= " + (1e-6 * (System.nanoTime() - start)) + " ms.");
g2d.dispose();
}
}