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/constant/NameValidationTest.java
+++ b/test/jdk/java/lang/constant/NameValidationTest.java
@ -0,0 +1,83 @@
+/*
+ * Copyright (c) 2018, 2026, 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 8215510
+ * @compile NameValidationTest.java
+ * @run junit NameValidationTest
+ * @summary unit tests for verifying member names
+ */
+
+import java.lang.constant.*;
+
+import static java.lang.constant.DirectMethodHandleDesc.*;
+import static java.lang.constant.ConstantDescs.*;
+
+import static org.junit.jupiter.api.Assertions.assertThrows;
+import org.junit.jupiter.api.Test;
+
+public class NameValidationTest {
+
+    private static final String[] badMemberNames = new String[] {"xx.xx", "zz;zz", "[l", "aa/aa", "<cinit>"};
+    private static final String[] goodMemberNames = new String[] {"<clinit>", "<init>", "3", "~", "$", "qq"};
+
+    private static final String[] badClassNames = new String[] {"zz;zz", "[l", "aa/aa", ".", "a..b"};
+    private static final String[] goodClassNames = new String[] {"3", "~", "$", "qq", "a.a"};
+
+    @Test
+    public void testMemberNames() {
+        DirectMethodHandleDesc mh = MethodHandleDesc.of(Kind.VIRTUAL, CD_String, "isEmpty", "()Z");
+        for (String badName : badMemberNames) {
+            assertThrows(IllegalArgumentException.class, () -> memberNamesHelper(badName, mh, CD_int, null), badName);
+            assertThrows(IllegalArgumentException.class, () -> memberNamesHelper(badName, mh, CD_int, new ConstantDesc[0]), badName);
+        }
+
+        for (String goodName : goodMemberNames) {
+            memberNamesHelper(goodName, mh, CD_int, null);
+            memberNamesHelper(goodName, mh, CD_int, new ConstantDesc[0]);
+        }
+    }
+
+    private void memberNamesHelper(String constantName,
+                               DirectMethodHandleDesc bootstrapMethod,
+                               ClassDesc constantType,
+                               ConstantDesc... bootstrapArgs) {
+        if (bootstrapArgs == null) {
+            DynamicConstantDesc.ofNamed(bootstrapMethod, constantName, constantType);
+        } else {
+            DynamicConstantDesc.ofNamed(bootstrapMethod, constantName, constantType, bootstrapArgs);
+        }
+    }
+
+    @Test
+    public void testClassNames() {
+        for (String badName : badClassNames) {
+            assertThrows(IllegalArgumentException.class, () -> ClassDesc.of(badName), badName);
+        }
+
+        for (String goodName : goodClassNames) {
+            ClassDesc.of(goodName);
+        }
+    }
+}