--- /dev/null 2018-11-13 15:09:56.497374000 +0530 +++ new/test/jdk/javax/imageio/plugins/png/PNGCorruptCRCForIENDChunkTest.java 2018-11-14 00:34:32.797374000 +0530 @@ -0,0 +1,57 @@ +/* + * Copyright (c) 2018, 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 8211422 + * @summary Test verifies that PNGImageReader does not throw + * IIOException when IEND chunk has corrupt CRC chunk. + * @run main PNGCorruptCRCForIENDChunkTest + */ + +import java.io.ByteArrayInputStream; +import java.util.Base64; +import javax.imageio.ImageIO; +import java.util.Iterator; +import javax.imageio.ImageReader; +import javax.imageio.stream.ImageInputStream; +import java.awt.image.BufferedImage; + +public class PNGCorruptCRCForIENDChunkTest { + + // PNG image stream having corrupt CRC for IEND chunk + private static String inputImageBase64 = "iVBORw0KGgoAAAANSUhEUgAAAA" + + "8AAAAQCAYAAADJViUEAAAAIElEQVR4XmNQllf4Ty5mABHkgFHNJIJRzSSCo" + + "a6ZXAwA26ElUIYphtYAAAAASUVORK5C"; + + public static void main(String[] args) throws Exception { + + byte[] inputBytes = Base64.getDecoder().decode(inputImageBase64); + ByteArrayInputStream bais = new ByteArrayInputStream(inputBytes); + ImageInputStream input = ImageIO.createImageInputStream(bais); + Iterator iter = ImageIO.getImageReaders(input); + ImageReader reader = (ImageReader) iter.next(); + reader.setInput(input, false, false); + BufferedImage image = reader.read(0, reader.getDefaultReadParam()); + } +}