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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.
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russell@unturf.com 2026-03-26 17:11:57 -04:00
commit 0a580b313d
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test/jdk/javax/imageio/PNGSpiStreamMetadata.java Normal file
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/*
* Copyright (c) 2001, 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 4403355
* @summary Checks that PNGImage{Reader,Writer}Spi.getStreamMetadataFormatNames
* and getNativeStreamMetadataFormatName return null
* @modules java.desktop/com.sun.imageio.plugins.png
*/
import javax.imageio.spi.ImageReaderSpi;
import javax.imageio.spi.ImageWriterSpi;
import com.sun.imageio.plugins.png.PNGImageReaderSpi;
import com.sun.imageio.plugins.png.PNGImageWriterSpi;
public class PNGSpiStreamMetadata {
private static void fatal() {
throw new RuntimeException("Got a non-null stream metadata format!");
}
public static void main(String[] args) {
ImageReaderSpi rspi = new PNGImageReaderSpi();
if (rspi.getNativeStreamMetadataFormatName() != null) {
fatal();
}
if (rspi.isStandardStreamMetadataFormatSupported() != false) {
fatal();
}
if (rspi.getExtraStreamMetadataFormatNames() != null) {
fatal();
}
ImageWriterSpi wspi = new PNGImageWriterSpi();
if (wspi.getNativeStreamMetadataFormatName() != null) {
fatal();
}
if (wspi.isStandardStreamMetadataFormatSupported() != false) {
fatal();
}
if (wspi.getExtraStreamMetadataFormatNames() != null) {
fatal();
}
}
}