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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/jdk/java/lang/ClassLoader/BadRegisterAsParallelCapableCaller.java Normal file
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/*
* Copyright (c) 2022, 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 8281000
* @summary Test ClassLoader.isRegisteredAsParallelCapable() method with an
* invalid caller (non-JNI cases). This test uses reflection and opens
* the java.base module so it runs separate from behavior tests of
* isRegisteredParallelCapable to avoid side effects.
* @modules java.base/java.lang:open
* @run main/othervm BadRegisterAsParallelCapableCaller
*/
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
public class BadRegisterAsParallelCapableCaller {
public static void main(String[] args) throws Exception {
Throwable thrown = null;
final Method m = ClassLoader.class.getDeclaredMethod("registerAsParallelCapable");
m.setAccessible(true);
try {
m.invoke(null);
} catch (InvocationTargetException ite) {
thrown = ite.getCause();
}
if (! (thrown instanceof IllegalCallerException)) {
throw new RuntimeException("Didn't get expected IllegalCallerException, got "+ thrown);
} else {
System.out.println("Invalid caller threw IllegalCallerException as expected");
}
}
}