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/langtools/tools/javac/defaultMethods/CheckACC_STRICTFlagOnDefaultMethodTest.java
+++ b/test/langtools/tools/javac/defaultMethods/CheckACC_STRICTFlagOnDefaultMethodTest.java
@ -0,0 +1,92 @@
+/*
+ * Copyright (c) 2013, 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 8012723
+ * @summary strictfp interface misses strictfp modifer on default method
+ * @library /tools/lib /test/lib
+ * @run main CheckACC_STRICTFlagOnDefaultMethodTest
+ */
+
+import jdk.test.lib.compiler.CompilerUtils;
+import toolbox.ToolBox;
+
+import java.lang.classfile.ClassFile;
+import java.lang.classfile.ClassModel;
+import java.lang.classfile.MethodModel;
+import java.nio.file.Path;
+import java.util.ArrayList;
+import java.util.List;
+import java.io.IOException;
+
+public class CheckACC_STRICTFlagOnDefaultMethodTest {
+    private static final String AssertionErrorMessage =
+        "All methods should have the ACC_STRICT access flag " +
+        "please check output";
+    private static final String offendingMethodErrorMessage =
+        "Method %s of class %s doesn't have the ACC_STRICT access flag";
+    private static final String SOURCE = """
+            strictfp interface StrictfpInterface {
+                default void default_interface_method() {}
+                static void static_interface_method() {}
+            }
+            """;
+
+    private List<String> errors = new ArrayList<>();
+
+    public static void main(String[] args)
+            throws IOException {
+        new CheckACC_STRICTFlagOnDefaultMethodTest().run();
+    }
+
+    private void run()
+            throws IOException {
+        Path src = Path.of("src");
+        Path out = Path.of("out");
+        ToolBox toolBox = new ToolBox();
+        toolBox.writeJavaFiles(src, SOURCE);
+        CompilerUtils.compile(src, out, "--release", "16");
+        check(out, "StrictfpInterface.class");
+        if (!errors.isEmpty()) {
+            for (String error: errors) {
+                System.err.println(error);
+            }
+            throw new AssertionError(AssertionErrorMessage);
+        }
+    }
+
+    void check(Path dir, String... fileNames) throws IOException {
+        for (String fileName : fileNames) {
+            ClassModel classFileToCheck = ClassFile.of().parse(dir.resolve(fileName));
+
+            for (MethodModel method : classFileToCheck.methods()) {
+                if ((method.flags().flagsMask() & ClassFile.ACC_STRICT) == 0) {
+                    errors.add(String.format(offendingMethodErrorMessage,
+                            method.methodName().stringValue(),
+                            classFileToCheck.thisClass().asInternalName()));
+                }
+            }
+        }
+    }
+}