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/langtools/jdk/jshell/ExceptionMessageTest.java

@@ -0,0 +1,96 @@
+/*
+ * Copyright (c) 2017, 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 8185108
+ * @summary Test exception().getMessage() in events returned by eval()
+ * @run junit ExceptionMessageTest
+ * @key intermittent
+ */
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.List;
+
+import jdk.jshell.JShell;
+import jdk.jshell.SnippetEvent;
+import jdk.jshell.execution.DirectExecutionControl;
+import jdk.jshell.execution.JdiExecutionControlProvider;
+import jdk.jshell.execution.LocalExecutionControlProvider;
+import jdk.jshell.spi.ExecutionControl;
+import jdk.jshell.spi.ExecutionControlProvider;
+import jdk.jshell.spi.ExecutionEnv;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+import org.junit.jupiter.api.Test;
+
+public class ExceptionMessageTest {
+
+    @Test
+    public void testDefaultEC() {
+        doTestCases(new JdiExecutionControlProvider(), "default");
+    }
+
+    @Test
+    public void testLocalEC() {
+        doTestCases(new LocalExecutionControlProvider(), "local");
+    }
+
+    @Test
+    public void testDirectEC() {
+        doTestCases(new ExecutionControlProvider() {
+            public ExecutionControl generate(ExecutionEnv env, Map<String, String> param) throws Throwable {
+                return new DirectExecutionControl();
+            }
+
+            public String name() {
+                return "direct";
+            }
+
+        }, "direct");
+    }
+
+    private JShell shell(ExecutionControlProvider ec) {
+        return JShell.builder().executionEngine(ec, new HashMap<>()).build();
+    }
+
+    private void doTestCases(ExecutionControlProvider ec, String label) {
+        JShell jshell = shell(ec);
+        doTest(jshell, label, "throw new java.io.IOException();", null);
+        doTest(jshell, label, "throw new java.io.IOException((String)null);", null);
+        doTest(jshell, label, "throw new java.io.IOException(\"\");", "");
+        doTest(jshell, label, "throw new java.io.IOException(\"test\");", "test");
+    }
+
+    private void doTest(JShell jshell, String label, String code, String expected) {
+        List<SnippetEvent> result = jshell.eval(code);
+        assertEquals(1, result.size(), "Expected only one event");
+        SnippetEvent evt = result.get(0);
+        Exception exc = evt.exception();
+        String out = exc.getMessage();
+        assertEquals(expected, out, "Exception message not as expected: " +
+                label + " -- " + code);
+    }
+}