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/foreign/UpcallTestHelper.java
+++ b/test/jdk/java/foreign/UpcallTestHelper.java
@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 2022, 2024, 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.
+ */
+
+import jdk.test.lib.process.OutputAnalyzer;
+import jdk.test.lib.process.ProcessTools;
+import jdk.test.lib.Utils;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.TimeoutException;
+
+import static org.testng.Assert.fail;
+
+public class UpcallTestHelper extends NativeTestHelper {
+
+    public OutputAnalyzer runInNewProcess(Class<?> target, boolean useSpec, String... programArgs) throws IOException, InterruptedException {
+        return runInNewProcess(target, useSpec, List.of(), List.of(programArgs));
+    }
+
+    public OutputAnalyzer runInNewProcess(Class<?> target, boolean useSpec, List<String> vmArgs, List<String> programArgs) throws IOException, InterruptedException {
+        assert !target.isArray();
+
+        List<String> command = new ArrayList<>(List.of(
+            "--enable-native-access=ALL-UNNAMED",
+            "-Djava.library.path=" + System.getProperty("java.library.path"),
+            "-Djdk.internal.foreign.UpcallLinker.USE_SPEC=" + useSpec
+        ));
+        command.addAll(vmArgs);
+        command.add(target.getName());
+        command.addAll(programArgs);
+
+        try {
+            ProcessBuilder pb = ProcessTools.createTestJavaProcessBuilder(command);
+            // note that it's important to use ProcessTools.startProcess here since this makes sure output streams of the
+            // fork don't fill up, which could make the process stall while writing to stdout/stderr
+            Process process = ProcessTools.startProcess(target.getName(), pb, null, null, 1L, TimeUnit.MINUTES);
+            OutputAnalyzer output = new OutputAnalyzer(process);
+            output.outputTo(System.out);
+            output.errorTo(System.err);
+            return output;
+        } catch (TimeoutException e) {
+            fail("Timeout while waiting for forked process");
+            return null;
+        }
+    }
+}