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/Process/WaitFor.java
+++ b/test/jdk/java/lang/Process/WaitFor.java
@ -0,0 +1,66 @@
+/*
+ * Copyright (c) 2019, 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 8220684
+ * @summary Process.waitFor(long, TimeUnit) can return false for a process
+ *          that exited within the timeout
+ * @run main/othervm WaitFor
+ */
+
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.util.concurrent.TimeUnit;
+
+public class WaitFor {
+    public static void main(String[] args) throws Throwable {
+        int failCnt = 0;
+        for (int i = 0; i < 30; ++i) {
+            Process proc = new MyProcess(new ProcessBuilder("true").start());
+            boolean exited = proc.waitFor(100, TimeUnit.MILLISECONDS);
+            if (!exited && !proc.isAlive()) failCnt++;
+        }
+        if (failCnt > 10) {
+            throw new RuntimeException(failCnt + " processes were still alive"
+                + " after timeout");
+        }
+    }
+}
+
+/**
+ * This class uses the default implementation of java.lang.Process#waitFor(long,
+ * TimeUnit), and delegates all other calls to the actual implementation of
+ * Process.
+ */
+class MyProcess extends Process {
+    Process impl;
+    public MyProcess(Process impl) { this.impl = impl; }
+    public OutputStream getOutputStream() { return impl.getOutputStream(); }
+    public InputStream getInputStream() { return impl.getInputStream(); }
+    public InputStream getErrorStream() { return impl.getErrorStream(); }
+    public int waitFor() throws InterruptedException { return impl.waitFor(); }
+    public int exitValue() { return impl.exitValue(); }
+    public void destroy() { impl.destroy(); }
+    public ProcessHandle toHandle() { return impl.toHandle(); }
+}