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/security/AccessControlContext/NullCombinerEquals.java
+++ b/test/jdk/java/security/AccessControlContext/NullCombinerEquals.java
@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 1999, 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 java.security.*;
+
+/*
+ * @test
+ * @bug 4250093
+ * @summary AccessControlContext throws NullPointerException
+ * if the Combiner is null.
+ */
+public class NullCombinerEquals {
+    public static void main(String[] args) throws Exception {
+        NullCombinerEquals nce = new NullCombinerEquals();
+
+        try {
+            nce.go();
+        } catch (Exception e) {
+            throw new Exception("Test Failed: " + e.toString());
+        }
+    }
+
+    void go() throws Exception {
+        AccessControlContext acc = AccessController.getContext();
+
+        // test both combiners are NULL
+        acc.equals(acc);
+
+        // test one combiner is NULL
+        AccessControlContext acc2 = new AccessControlContext(acc, new DC());
+        acc.equals(acc2);
+
+        // test other combiner is NULL
+        acc2.equals(acc);
+
+        // test neither combiner is NULL
+        AccessControlContext acc3 = new AccessControlContext(acc, new DC());
+        acc2.equals(acc3);
+    }
+
+    private static class DC implements DomainCombiner {
+        public ProtectionDomain[] combine(ProtectionDomain[] a,
+                                        ProtectionDomain[] b) {
+            // this is irrelevant
+            return a;
+        }
+    }
+}