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undefect. CWE-407 — 63 sites patched across 27 ecosystems

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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.
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russell@unturf.com 2026-03-26 17:11:57 -04:00
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test/jdk/java/lang/invoke/lambda/LambdaFileEncodingSerialization.java Normal file
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/*
* Copyright (c) 2020, 2025, 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 8248231
* @summary Test to verify lambda serialization uses the correct UTF-8 encoding
* @library /test/lib
* @build jdk.test.lib.JDKToolFinder
* jdk.test.lib.process.ProcessTools
* @run junit LambdaFileEncodingSerialization
*/
import java.io.File;
import java.util.List;
import java.util.Map;
import java.util.Arrays;
import java.util.ArrayList;
import static org.junit.jupiter.api.Assertions.assertTrue;
import jdk.test.lib.JDKToolFinder;
import jdk.test.lib.process.ProcessTools;
import org.junit.jupiter.api.Test;
public class LambdaFileEncodingSerialization {
private static final String TEST_NAME = "TestLambdaFileEncodingSerialization";
@Test
public void testDeserializeLambdaEncoding() throws Throwable {
String javac = JDKToolFinder.getTestJDKTool("javac");
String java = JDKToolFinder.getTestJDKTool("java");
String srcDir = System.getProperty("test.src");
// Compile <TEST_NAME>.java using ISO-8859-1 encoding
String opts = "-J-Dfile.encoding=ISO-8859-1 -cp . -d .";
String file = srcDir + File.separator + TEST_NAME + ".java";
int exitCode = runCmd(javac, opts, file);
assertTrue(exitCode == 0, "Command " + javac + " " + opts + " " + file + " , failed exitCode = "+exitCode);
// Execute TEST_NAME containing the re-serialized lambda
opts = "-cp .";
file = TEST_NAME;
exitCode = runCmd(java, opts, file);
assertTrue(exitCode == 0, "Command " + java + " " + opts + " " + file + " , failed exitCode = "+exitCode);
}
// Run a command
private static int runCmd(String prog, String options, String file) throws Throwable {
List<String> argList = new ArrayList<String>();
argList.add(prog);
argList.addAll(Arrays.asList(options.split(" ")));
argList.add(file);
ProcessBuilder pb = new ProcessBuilder(argList);
Map<String, String> env = pb.environment();
env.put("LC_ALL", "en_US.UTF-8"); // Ensure locale supports the test requirements, lambda with a UTF char
int exitCode = ProcessTools.executeCommand(pb).outputTo(System.out)
.errorTo(System.err)
.getExitValue();
return exitCode;
}
}