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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.
This commit is contained in:
russell@unturf.com 2026-03-26 17:11:57 -04:00
commit 0a580b313d
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69
test/hotspot/jtreg/runtime/AccModule/ACCModule52.java Normal file
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/*
* Copyright (c) 2017, 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.
*/
import org.objectweb.asm.*;
/*
* @test
* @summary Test that the JVM ignores ACC_MODULE if it is set for a version
* 52 class file.
* @bug 8175383
* @library /test/lib
* @library /testlibrary/asm
* @compile -XDignore.symbol.file ACCModule52.java
* @run main ACCModule52
*/
public class ACCModule52 {
static final String CLASS_NAME = "ACCModule52Pkg";
public static void main(String[] args) throws Exception {
int ACC_MODULE = 0x8000;
ClassWriter cw = new ClassWriter(0);
cw.visit(Opcodes.V1_8,
Opcodes.ACC_INTERFACE + Opcodes.ACC_ABSTRACT + Opcodes.ACC_SYNTHETIC + ACC_MODULE,
CLASS_NAME,
null,
"java/lang/Object",
null);
cw.visitEnd();
byte[] bytes = cw.toByteArray();
ClassLoader loader = new ClassLoader(ACCModule52.class.getClassLoader()) {
@Override
protected Class<?> findClass(String cn)throws ClassNotFoundException {
if (cn.equals(CLASS_NAME)) {
Class superClass = super.defineClass(cn, bytes, 0, bytes.length);
} else {
throw new ClassNotFoundException(cn);
}
return null;
}
};
Class<?> clazz = loader.loadClass(CLASS_NAME);
}
}