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/lang/invoke/MethodHandleInvokeUOE.java
+++ b/test/jdk/java/lang/invoke/MethodHandleInvokeUOE.java
@ -0,0 +1,72 @@
+/*
+ * Copyright (c) 2021, 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
+ * @summary Test MethodHandle::invokeExact and MethodHandle::invoke throws
+ *          UnsupportedOperationException when called via Method::invoke
+ * @run junit test.java.lang.invoke.MethodHandleInvokeUOE
+ */
+
+package test.java.lang.invoke;
+
+import java.lang.invoke.MethodHandle;
+import java.lang.invoke.MethodHandles;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+
+import static java.lang.invoke.MethodType.*;
+import org.junit.jupiter.api.Test;
+
+public class MethodHandleInvokeUOE {
+    @Test
+    public void testInvokeExact() throws Throwable {
+        Class<?> clz = MethodHandle.class;
+        String mname = "invokeExact";
+        Method m = clz.getDeclaredMethod(mname, Object[].class);
+        MethodHandle mh = MethodHandles.lookup().findVirtual(clz, mname, methodType(Object.class, Object[].class));
+        try {
+            m.invoke(mh, new Object[1]);
+        } catch (InvocationTargetException e) {
+            if (!(e.getCause() instanceof UnsupportedOperationException)) {
+                throw new RuntimeException("expected UnsupportedOperationException but got: "
+                        + e.getCause().getClass().getName(), e);
+            }
+        }
+    }
+
+    @Test
+    public void testInvoke() throws Throwable {
+        Class<?> clz = MethodHandle.class;
+        String mname = "invoke";
+        Method m = clz.getDeclaredMethod(mname, Object[].class);
+        MethodHandle mh = MethodHandles.lookup().findVirtual(clz, mname, methodType(Object.class, Object[].class));
+        try {
+            m.invoke(mh, new Object[1]);
+        } catch (InvocationTargetException e) {
+            if (!(e.getCause() instanceof UnsupportedOperationException)) {
+                throw new RuntimeException("expected UnsupportedOperationException but got: "
+                        + e.getCause().getClass().getName(), e);
+            }
+        }
+    }
+}