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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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54
test/hotspot/jtreg/runtime/classFileParserBug/AccModuleTest.java Normal file
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/*
* Copyright (c) 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 8174725
* @summary Throw NoClassDefFoundError if class access_flags have ACC_MODULE set
* @compile BadAccModule.jcod BadAccModInrClss.jcod
* @run main AccModuleTest
*/
// Test that classes with access_flags containing ACC_MODULE cause ClassDefNotFoundErrors.
public class AccModuleTest {
public static void main(String args[]) throws Throwable {
System.out.println("Regression test for bug 8174725");
try {
Class newClass = Class.forName("BadAccModule");
throw new RuntimeException("Expected NoClassDefFoundError exception not thrown");
} catch (java.lang.NoClassDefFoundError e) {
if (!e.getMessage().contains("BadAccModule is not a class because access_flag ACC_MODULE is set")) {
throw new RuntimeException("Wrong NoClassDefFoundError exception for AccModuleTest: " + e.getMessage());
}
}
try {
Class newClass = Class.forName("BadAccModInrClss");
throw new RuntimeException("Expected NoClassDefFoundError exception not thrown");
} catch (java.lang.NoClassDefFoundError e) {
if (!e.getMessage().contains("BadAccModInrClss is not a class because access_flag ACC_MODULE is set")) {
throw new RuntimeException("Wrong NoClassDefFoundError exception for BadAccModInrClss: " + e.getMessage());
}
}
}
}