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/enum/ignoreSerializationFields/Test.java
+++ b/test/jdk/java/io/Serializable/enum/ignoreSerializationFields/Test.java
@ -0,0 +1,74 @@
+/*
+ * Copyright (c) 2003, 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 4838379
+ * @summary Verify that serialVersionUID and serialPersistentFields
+ *          declarations made by enum types and constants are ignored.
+ */
+
+import java.io.*;
+import java.util.Arrays;
+
+enum Foo {
+
+    foo,
+    bar {
+        @SuppressWarnings("serial") /* Incorrect declarations are being tested */
+        private static final long serialVersionUID = 2L;
+        // bar is implemented as an inner class instance, so the following
+        // declaration would cause a compile-time error
+        // private static final ObjectStreamField[] serialPersistentFields = {
+        //    new ObjectStreamField("gub", Float.TYPE)
+        // };
+    };
+
+    @SuppressWarnings("serial") /* Incorrect declarations are being tested */
+    private static final long serialVersionUID = 1L;
+
+    @SuppressWarnings("serial") /* Incorrect declarations are being tested */
+    private static final ObjectStreamField[] serialPersistentFields = {
+        new ObjectStreamField("blargh", Integer.TYPE)
+    };
+}
+
+public class Test {
+    public static void main(String[] args) throws Exception {
+        Class<?>[] classes =
+            { Foo.class, Foo.foo.getClass(), Foo.bar.getClass() };
+        for (int i = 0; i < classes.length; i++) {
+            ObjectStreamClass desc = ObjectStreamClass.lookup(classes[i]);
+            if (desc.getSerialVersionUID() != 0L) {
+                throw new Error(
+                    classes[i] + " has non-zero serialVersionUID: " +
+                    desc.getSerialVersionUID());
+            }
+            ObjectStreamField[] fields = desc.getFields();
+            if (fields.length > 0) {
+                throw new Error(
+                    classes[i] + " has non-empty list of fields: " +
+                    Arrays.asList(fields));
+            }
+        }
+    }
+}