undefect. CWE-407 — 63 sites patched across 27 ecosystems

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.
2026-03-26 17:11:57 -04:00 · 2026-03-26 17:11:57 -04:00 · 0a580b313d
commit 0a580b313d
70422 changed files with 17213626 additions and 0 deletions
--- a/test/jdk/javax/imageio/NullInputOutput.java
+++ b/test/jdk/javax/imageio/NullInputOutput.java
@ -0,0 +1,73 @@
+/*
+ * Copyright (c) 2003, 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 4892682 4892698
+ * @summary Tests that the appropriate IllegalStateException is thrown if
+ *          ImageReader.read() or ImageWriter.write() is called without having
+ *          first set the input/output stream
+ */
+
+import java.awt.image.BufferedImage;
+import java.util.Iterator;
+
+import javax.imageio.ImageReader;
+import javax.imageio.ImageWriter;
+import javax.imageio.spi.IIORegistry;
+import javax.imageio.spi.ImageReaderSpi;
+import javax.imageio.spi.ImageWriterSpi;
+
+public class NullInputOutput {
+
+    public static void main(String[] args) throws Exception {
+        IIORegistry registry = IIORegistry.getDefaultInstance();
+
+        // test ImageReader.read() for all available ImageReaders
+        Iterator readerspis = registry.getServiceProviders(ImageReaderSpi.class,
+                                                           false);
+        while (readerspis.hasNext()) {
+            ImageReaderSpi readerspi = (ImageReaderSpi)readerspis.next();
+            ImageReader reader = readerspi.createReaderInstance();
+            try {
+                reader.read(0);
+            } catch (IllegalStateException ise) {
+                // caught exception, everything's okay
+            }
+        }
+
+        // test ImageWriter.write() for all available ImageWriters
+        BufferedImage bi = new BufferedImage(1, 1, BufferedImage.TYPE_INT_RGB);
+        Iterator writerspis = registry.getServiceProviders(ImageWriterSpi.class,
+                                                           false);
+        while (writerspis.hasNext()) {
+            ImageWriterSpi writerspi = (ImageWriterSpi)writerspis.next();
+            ImageWriter writer = writerspi.createWriterInstance();
+            try {
+                writer.write(bi);
+            } catch (IllegalStateException ise) {
+                // caught exception, everything's okay
+            }
+        }
+    }
+}