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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
commit 0a580b313d
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test/hotspot/jtreg/runtime/ErrorHandling/UncaughtNativeExceptionTest.java Normal file
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/*
* Copyright (c) 2023, 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 id
* @enablePreview
* @requires os.family == "windows"
* @library /test/lib
* @run testng UncaughtNativeExceptionTest
*/
import jdk.test.lib.process.OutputAnalyzer;
import jdk.test.lib.process.ProcessTools;
import org.testng.annotations.Test;
import java.io.File;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.regex.Pattern;
import static org.testng.Assert.assertTrue;
public class UncaughtNativeExceptionTest {
private static class Crasher {
public static void main(String[] args) throws Throwable {
System.loadLibrary("NativeException");
throwException();
}
static native void throwException();
}
// check that we actually report the native exception,
// and don't terminate abruptly due to stack overflow error
@Test
public void testNativeExceptionReporting() throws Exception {
OutputAnalyzer output = ProcessTools.executeTestJava(
// executeTestJava doesn't seem to forward 'java.library.path'
"-Djava.library.path=" + System.getProperty("java.library.path"),
Crasher.class.getName());
File hsErrFile = HsErrFileUtils.openHsErrFileFromOutput(output);
Path hsErrPath = hsErrFile.toPath();
assertTrue(Files.exists(hsErrPath));
Pattern[] positivePatterns = {
Pattern.compile(".*Internal Error \\(0xdeadbeef\\).*")
};
HsErrFileUtils.checkHsErrFileContent(hsErrFile, positivePatterns, null, true /* check end marker */, false /* verbose */);
}
}