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/System/SecurityManagerWarnings.java
+++ b/test/jdk/java/lang/System/SecurityManagerWarnings.java
@ -0,0 +1,115 @@
+/*
+ * Copyright (c) 2021, 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.
+ */
+
+/*
+ * @test
+ * @bug 8266459 8268349 8269543 8270380
+ * @summary check various warnings
+ * @library /test/lib
+ */
+
+import jdk.test.lib.process.OutputAnalyzer;
+import jdk.test.lib.process.ProcessTools;
+import jdk.test.lib.util.JarUtils;
+
+import java.io.ByteArrayOutputStream;
+import java.io.PrintStream;
+import java.nio.file.Path;
+
+public class SecurityManagerWarnings {
+
+    public static void main(String args[]) throws Exception {
+        if (args.length == 0) {
+
+            System.setProperty("test.noclasspath", "true");
+            String testClasses = System.getProperty("test.classes");
+
+            failLateTest(null, testClasses);
+            failLateTest("disallow", testClasses);
+            failEarlyTest("allow", testClasses);
+            failEarlyTest("", testClasses);
+            failEarlyTest("default", testClasses);
+            failEarlyTest("java.lang.SecurityManager", testClasses);
+
+            JarUtils.createJarFile(Path.of("a.jar"),
+                    Path.of(testClasses),
+                    Path.of("SecurityManagerWarnings.class"),
+                    Path.of("A.class"));
+
+            failLateTest(null, "a.jar");
+        } else {
+            PrintStream oldErr = System.err;
+            // Modify System.err, thus make sure warnings are always printed
+            // to the original System.err and will not be swallowed.
+            System.setErr(new PrintStream(new ByteArrayOutputStream()));
+            try {
+                A.run();    // System.setSecurityManager(null);
+            } catch (Exception e) {
+                // Exception messages must show in original stderr
+                e.printStackTrace(oldErr);
+                throw e;
+            }
+        }
+    }
+
+    // When -Djava.security.manager is not set, or set to "allow",
+    // or "disallow", JVM starts but setSecurityManager will fail.
+    static void failLateTest(String prop, String cp) throws Exception {
+        run(prop, cp)
+                .shouldNotHaveExitValue(0)
+                .stderrShouldContain("at SecurityManagerWarnings.main")
+                .stderrShouldContain("UnsupportedOperationException: Setting a Security Manager is not supported");
+    }
+
+    // When -Djava.security.manager is set to any other values,
+    // JVM will not start.
+    static void failEarlyTest(String prop, String cp) throws Exception {
+        run(prop, cp)
+                .shouldNotHaveExitValue(0)
+                .shouldNotContain("SecurityManagerWarnings.main")
+                .shouldContain("at java.lang.System.initPhase3")
+                .shouldContain("Error: A command line option has attempted to allow or enable the Security Manager.");
+    }
+
+    static OutputAnalyzer run(String prop, String cp) throws Exception {
+        ProcessBuilder pb;
+        if (prop == null) {
+            pb = ProcessTools.createTestJavaProcessBuilder(
+                    "-cp", cp,
+                    "SecurityManagerWarnings", "run");
+        } else {
+            pb = ProcessTools.createTestJavaProcessBuilder(
+                    "-cp", cp,
+                    "-Djava.security.manager=" + prop,
+                    "SecurityManagerWarnings", "run");
+        }
+        return ProcessTools.executeProcess(pb)
+                .stderrShouldNotContain("AccessControlException");
+    }
+}
+
+class A {
+    static void run() {
+        System.setSecurityManager(null);
+    }
+}