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/invoke/DumpMethodHandleInternals.java

@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2023, 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 8307944
+ * @library /test/lib
+ * @build DumpMethodHandleInternals
+ * @run main DumpMethodHandleInternals
+
+ * @summary Test startup with -Djdk.invoke.MethodHandle.dumpMethodHandleInternals
+ *          to work properly
+ */
+
+import java.nio.file.Files;
+import java.nio.file.Path;
+
+import jdk.test.lib.process.ProcessTools;
+
+public class DumpMethodHandleInternals {
+
+    private static final Path DUMP_DIR = Path.of("DUMP_METHOD_HANDLE_INTERNALS");
+
+    public static void main(String[] args) throws Exception {
+        if (ProcessTools.executeTestJava("-Djdk.invoke.MethodHandle.dumpMethodHandleInternals",
+                                         "-version")
+                .outputTo(System.out)
+                .errorTo(System.out)
+                .getExitValue() != 0)
+            throw new RuntimeException("Test failed - see output");
+
+        if (Files.notExists(DUMP_DIR))
+            throw new RuntimeException(DUMP_DIR + " not created");
+    }
+
+}