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/hotspot/jtreg/runtime/cds/appcds/jigsaw/PatchModule/MismatchedPatchModule.java
+++ b/test/hotspot/jtreg/runtime/cds/appcds/jigsaw/PatchModule/MismatchedPatchModule.java
@ -0,0 +1,92 @@
+/*
+ * Copyright (c) 2016, 2021, 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
+ * @requires vm.cds
+ * @summary different settings of --patch-module at dump time and runtime are
+ *          acceptable. The class found in runtime --patch-module entry should
+ *          be used.
+ * @library ../..
+ * @library /test/hotspot/jtreg/testlibrary
+ * @library /test/lib
+ * @build PatchMain
+ * @run driver MismatchedPatchModule
+ */
+
+import jdk.test.lib.compiler.InMemoryJavaCompiler;
+import jdk.test.lib.process.OutputAnalyzer;
+import jdk.test.lib.helpers.ClassFileInstaller;
+
+public class MismatchedPatchModule {
+    private static String moduleJar;
+
+    public static void main(String args[]) throws Throwable {
+
+        // Create a class file in the module java.naming. This class file
+        // will be put in the javanaming.jar file.
+        String source = "package javax.naming.spi; "                +
+                        "public class NamingManager { "             +
+                        "    static { "                             +
+                        "        System.out.println(\"I pass!\"); " +
+                        "    } "                                    +
+                        "}";
+
+        ClassFileInstaller.writeClassToDisk("javax/naming/spi/NamingManager",
+             InMemoryJavaCompiler.compile("javax.naming.spi.NamingManager", source, "--patch-module=java.naming"),
+             System.getProperty("test.classes"));
+
+        // Build the jar file that will be used for the module "java.naming".
+        JarBuilder.build("javanaming", "javax/naming/spi/NamingManager");
+        moduleJar = TestCommon.getTestJar("javanaming.jar");
+
+        // Case 1: --patch-module specified for dump time
+        System.out.println("Case 1: --patch-module specified for dump time and run time");
+        OutputAnalyzer output =
+            TestCommon.dump(null,
+                TestCommon.list("javax/naming/spi/NamingManager"),
+                "--patch-module=java.naming=" + moduleJar,
+                "PatchMain", "javax.naming.spi.NamingManager");
+        output.shouldHaveExitValue(1)
+              .shouldContain("Cannot use the following option when dumping the shared archive: --patch-module");
+
+        // Case 2: --patch-module specified for run time but not for dump time
+        System.out.println("Case 2: --patch-module specified for run time but not for dump time");
+        String appJar = JarBuilder.build("PatchMain-app", "PatchMain");
+        output =
+            TestCommon.dump(appJar,
+                TestCommon.list("javax/naming/spi/NamingManager"),
+                "PatchMain", "javax.naming.spi.NamingManager");
+        TestCommon.checkDump(output);
+
+        // javax.naming.spi.NamingManager is patched at runtime
+        TestCommon.run(
+            "-XX:+UnlockDiagnosticVMOptions",
+            "--patch-module=java.naming=" + moduleJar,
+            "--patch-module=java.naming2=" + moduleJar,
+            "-Xlog:class+path=info",
+            "PatchMain", "javax.naming.spi.NamingManager")
+            .assertSilentlyDisabledCDS(0, "I pass!");
+    }
+}