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.

test/jdk/java/lang/reflect/DefaultAccessibility.java

@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 2009, 2025, 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 6648344
+ * @summary Test that default accessibility is false
+ */
+
+import java.lang.reflect.*;
+
+public class DefaultAccessibility {
+    private DefaultAccessibility() {
+        super();
+    }
+
+    private static int f = 42;
+
+    public static void main(String... args) throws Exception {
+        Class<?> daClass = (new DefaultAccessibility()).getClass();
+
+        int elementCount = 0;
+        for(Constructor<?> ctor : daClass.getDeclaredConstructors()) {
+            elementCount++;
+            if (ctor.isAccessible())
+                throw new RuntimeException("Unexpected accessibility for constructor " +
+                                           ctor);
+        }
+
+        for(Method method : daClass.getDeclaredMethods()) {
+            elementCount++;
+            if (method.isAccessible())
+                throw new RuntimeException("Unexpected accessibility for method " +
+                                           method);
+        }
+
+        for(Field field : daClass.getDeclaredFields()) {
+            elementCount++;
+            if (field.isAccessible())
+                throw new RuntimeException("Unexpected accessibility for field " +
+                                           field);
+        }
+
+        if (elementCount < 3)
+            throw new RuntimeException("Expected at least three members; only found " +
+                                       elementCount);
+    }
+}