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/util/logging/FileHandlerMaxLocksTest.java
+++ b/test/jdk/java/util/logging/FileHandlerMaxLocksTest.java
@ -0,0 +1,115 @@
+/*
+ * Copyright (c) 2016, 2017, 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 8153955
+ * @summary test the FileHandler's new property
+ *  "java.util.logging.FileHandler.maxLocks" which will be present in
+ *  "logging.properties" file with default value of 100. This property can be
+ *  overriden by specifying this property in the custom config file.
+ * @library /test/lib
+ * @build jdk.test.lib.Platform
+ *        jdk.test.lib.util.FileUtils
+ * @author rpatil
+ * @run main/othervm FileHandlerMaxLocksTest
+ */
+import java.io.File;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.nio.file.Paths;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.logging.FileHandler;
+import jdk.test.lib.util.FileUtils;
+
+public class FileHandlerMaxLocksTest {
+
+    private static final String LOGGER_DIR = "logger-dir";
+    private static final String MAX_LOCK_PROPERTY = "java.util.logging.FileHandler.maxLocks = 200";
+    private static final String CONFIG_FILE_NAME = "logging.properties";
+
+    public static void main(String[] args) throws Exception {
+        File loggerDir = createLoggerDir();
+        String configFilePath = loggerDir.getPath() + File.separator + CONFIG_FILE_NAME;
+        File configFile = new File(configFilePath);
+        createFile(configFile, false);
+        System.setProperty("java.util.logging.config.file", configFilePath);
+        List<FileHandler> fileHandlers = new ArrayList<>();
+        try (FileWriter writer = new FileWriter(configFile)) {
+            writer.write(MAX_LOCK_PROPERTY);
+            writer.flush();
+            // 200 raises the default limit of 100, we try 102 times
+            for (int i = 0; i < 102; i++) {
+                fileHandlers.add(new FileHandler(loggerDir.getPath() + File.separator + "test_%u.log"));
+            }
+        } catch (IOException ie) {
+            throw new RuntimeException("Test Failed: " + ie.getMessage());
+        } finally {
+            for (FileHandler fh : fileHandlers) {
+                fh.close();
+            }
+            FileUtils.deleteFileTreeWithRetry(Paths.get(loggerDir.getPath()));
+        }
+    }
+
+    /**
+     * Create a writable directory in user directory for the test
+     *
+     * @return writable directory created that needs to be deleted when done
+     * @throws RuntimeException
+     */
+    private static File createLoggerDir() throws RuntimeException {
+        String userDir = System.getProperty("user.dir", ".");
+        File loggerDir = new File(userDir, LOGGER_DIR);
+        if (!createFile(loggerDir, true)) {
+            throw new RuntimeException("Test failed: unable to create"
+                    + " writable working directory "
+                    + loggerDir.getAbsolutePath());
+        }
+        // System.out.println("Created Logger Directory: " + loggerDir.getPath());
+        return loggerDir;
+    }
+
+    /**
+     * @param newFile  File to be created
+     * @param makeDirectory  is File to be created is directory
+     * @return true if file already exists or creation succeeded
+     */
+    private static boolean createFile(File newFile, boolean makeDirectory) {
+        if (newFile.exists()) {
+            return true;
+        }
+        if (makeDirectory) {
+            return newFile.mkdir();
+        } else {
+            try {
+                return newFile.createNewFile();
+            } catch (IOException ie) {
+                System.err.println("Not able to create file: " + newFile
+                        + ", IOException: " + ie.getMessage());
+                return false;
+            }
+        }
+    }
+}