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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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58
test/jdk/java/lang/invoke/defineHiddenClass/src/HiddenClass.java Normal file
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/*
* Copyright (c) 2019, 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.
*/
/*
* The classfile for this class will be loaded directly and used to define
* a hidden class.
*/
public class HiddenClass implements HiddenTest {
HiddenClass other = null;
private String realTest() {
Object o = other;
HiddenClass local = this;
local = other;
local = (HiddenClass) o;
local = new HiddenClass();
set_other_maybe(new Object());
set_other_maybe(this);
return "HiddenClass";
}
private void set_other_maybe(Object o) {
if (o instanceof HiddenClass) {
}
}
public void test() {
String result = realTest();
// Make sure that the Utf8 constant pool entry for "HiddenClass" is okay.
if (!result.substring(0, 7).equals("HiddenC") ||
!result.substring(7).equals("lass")) {
throw new RuntimeException("'HiddenClass string is bad: " + result);
}
}
}