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/tools/launcher/UnresolvedExceptions.java

@@ -0,0 +1,61 @@
+/*
+ * Copyright (c) 2002, 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 4529320
+ * @modules jdk.compiler
+ *          jdk.zipfs
+ * @compile -XDignore.symbol.file UnresolvedExceptions.java
+ * @run main UnresolvedExceptions
+ * @summary Verifying jvm won't segv if exception not available
+ */
+
+import java.io.File;
+import java.util.ArrayList;
+import java.util.List;
+
+
+public class UnresolvedExceptions extends TestHelper {
+
+    public static void main(String... args) throws Exception {
+        final String fname = "Foo";
+        List<String> buffer = new ArrayList<>();
+        buffer.add("public class " + fname + " {");
+        buffer.add("    public static void main(String[] argv) throws "
+                       + "Foo.SomeException {");
+        buffer.add("        System.exit(0);");
+        buffer.add("    }");
+        buffer.add("    static class SomeException extends RuntimeException{}");
+        buffer.add("}");
+
+        File testJavaFile = new File("Foo" + JAVA_FILE_EXT);
+        createFile(testJavaFile, buffer);
+        compile(testJavaFile.getName());
+        TestResult tr = doExec(javaCmd, "-cp", ".", fname);
+        if (!tr.isOK()) {
+            System.out.println(tr);
+            throw new RuntimeException("java -cp ... failed");
+    }
+}
+}