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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
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test/langtools/tools/javac/processing/rounds/CompleteOnClosed.java Normal file
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/*
* Copyright (c) 2014, 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
* @bug 8038455
* @summary Ensure that formatting diagnostics with an already closed JavaCompiler won't crash
* the compiler.
* @library /tools/lib /tools/javac/lib
* @modules jdk.compiler/com.sun.tools.javac.api
* jdk.compiler/com.sun.tools.javac.main
* jdk.jdeps/com.sun.tools.javap
* @build toolbox.ToolBox JavacTestingAbstractProcessor
* @run main CompleteOnClosed
*/
import java.util.*;
import javax.annotation.processing.*;
import javax.lang.model.element.TypeElement;
import javax.tools.Diagnostic;
import javax.tools.DiagnosticCollector;
import javax.tools.JavaCompiler;
import javax.tools.JavaCompiler.CompilationTask;
import javax.tools.JavaFileObject;
import javax.tools.ToolProvider;
import toolbox.ToolBox;
public class CompleteOnClosed extends JavacTestingAbstractProcessor {
public static void main(String... args) {
JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
DiagnosticCollector<JavaFileObject> collector = new DiagnosticCollector<>();
String source = "class Test extends CompleteOnClosedOther {" +
" class Inner extends Undefined { }" +
"}";
Iterable<JavaFileObject> files = Arrays.<JavaFileObject>asList(new ToolBox.JavaSource(source));
Iterable<String> options = Arrays.asList("-processor", "CompleteOnClosed");
CompilationTask task = compiler.getTask(null, null, collector, options, null, files);
if (task.call()) {
throw new AssertionError("test compilation was expected to fail");
}
for (Diagnostic<? extends JavaFileObject> d : collector.getDiagnostics()) {
System.out.println(d.toString());
}
}
@Override
public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
return false;
}
}