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/java/io/Serializable/resolveClassException/ResolveClassException.java
+++ b/test/jdk/java/io/Serializable/resolveClassException/ResolveClassException.java
@ -0,0 +1,83 @@
+/*
+ * Copyright (c) 1999, 2019, 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 4191941
+ * @summary Ensure that original ClassNotFoundException thrown inside of
+ *          ObjectInputStream.resolveClass() is preserved (and thrown).
+ */
+
+import java.io.*;
+
+class BrokenObjectInputStream extends ObjectInputStream {
+
+    static final String message = "bodega";
+
+    BrokenObjectInputStream(InputStream in) throws IOException {
+        super(in);
+    }
+
+    protected Class<?> resolveClass(ObjectStreamClass desc)
+        throws ClassNotFoundException
+    {
+        throw new ClassNotFoundException(message);
+    }
+}
+
+public class ResolveClassException {
+    public static void main(String[] args) throws Exception {
+        ByteArrayOutputStream bout;
+        ObjectOutputStream oout;
+        ByteArrayInputStream bin;
+        BrokenObjectInputStream oin;
+        Object obj;
+
+        // write and read an object
+        obj = 5;
+        bout = new ByteArrayOutputStream();
+        oout = new ObjectOutputStream(bout);
+        oout.writeObject(obj);
+        bin = new ByteArrayInputStream(bout.toByteArray());
+        oin = new BrokenObjectInputStream(bin);
+        try {
+            oin.readObject();
+        } catch (ClassNotFoundException e) {
+            if (! BrokenObjectInputStream.message.equals(e.getMessage()))
+                throw new Error("Original exception not preserved");
+        }
+
+        // write and read an array of objects
+        obj = new Integer[] { 5 };
+        bout = new ByteArrayOutputStream();
+        oout = new ObjectOutputStream(bout);
+        oout.writeObject(obj);
+        bin = new ByteArrayInputStream(bout.toByteArray());
+        oin = new BrokenObjectInputStream(bin);
+        try {
+            oin.readObject();
+        } catch (ClassNotFoundException e) {
+            if (! BrokenObjectInputStream.message.equals(e.getMessage()))
+                throw new Error("Original exception not preserved");
+        }
+    }
+}