--- /dev/null 2017-11-13 13:44:29.484197000 +0530 +++ new/test/jdk/javax/imageio/plugins/png/PngLargeIHDRDimensionTest.java 2017-11-13 14:48:12.950406000 +0530 @@ -0,0 +1,91 @@ +/* + * Copyright (c) 2017, 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 8190332 + * @summary Test verifies whether PNGImageReader throws IIOException with proper + * message or not when IHDR width value is very high. + * @run main PngLargeIHDRDimensionTest + */ + +import java.io.ByteArrayInputStream; +import java.io.InputStream; +import java.util.Base64; +import javax.imageio.IIOException; +import javax.imageio.ImageIO; + +public class PngLargeIHDRDimensionTest { + + /* + * IHDR width is very large and when we try to create buffer to store + * image information of each row it overflows and we get + * NegativeArraySizeException without the fix for this bug. + */ + private static String negativeArraySizeExceptionInput = "iVBORw0KGgoAAAANS" + + "UhEUg////0AAAABEAIAAAA6fptVAAAACklEQVQYV2P4DwABAQEAWk1v8QAAAAB" + + "JRU5ErkJgggo="; + + /* + * IHDR width is ((2 to the power of 31) - 2), which is the maximum VM + * limit to create an array we we get OutOfMemoryError without the fix + * for this bug. + */ + private static String outOfMemoryErrorInput = "iVBORw0KGgoAAAANSUhEUgAAAAF/" + + "///+CAAAAAA6fptVAAAACklEQVQYV2P4DwABAQEAWk1v8QAAAABJRU5" + + "ErkJgggo="; + + private static InputStream input; + private static Boolean failed = false; + public static void main(String[] args) throws java.io.IOException { + byte[] inputBytes = Base64.getDecoder(). + decode(negativeArraySizeExceptionInput); + input = new ByteArrayInputStream(inputBytes); + + try { + ImageIO.read(input); + } catch (IIOException e) { + if (!(e.getMessage(). + equals("BufferOverflow/OOM while reading the image"))) { + failed = true; + } + } + + inputBytes = Base64.getDecoder().decode(outOfMemoryErrorInput); + input = new ByteArrayInputStream(inputBytes); + + try { + ImageIO.read(input); + } catch (IIOException e) { + if (!(e.getMessage(). + equals("BufferOverflow/OOM while reading the image"))) { + failed = true; + } + } + + if (failed) { + throw new RuntimeException("Test doesn't throw required" + + " IIOException"); + } + } +}