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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/model/element/ErrorOnAnnoWithTargetMethod.java Normal file
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/*
* Copyright (c) 2020, 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 8239447
* @summary Verify that annotation processing works for records
* @library /tools/lib /tools/javac/lib
* @modules
* jdk.compiler/com.sun.tools.javac.api
* jdk.compiler/com.sun.tools.javac.main
* jdk.compiler/com.sun.tools.javac.code
* jdk.compiler/com.sun.tools.javac.util
* @build toolbox.ToolBox toolbox.JavacTask
* @build JavacTestingAbstractProcessor
* @run main/othervm ErrorOnAnnoWithTargetMethod
*/
import java.io.*;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import javax.annotation.processing.*;
import javax.lang.model.*;
import javax.lang.model.element.*;
import javax.lang.model.type.*;
import javax.lang.model.util.*;
import java.time.*;
import java.util.*;
import java.util.stream.Collectors;
import javax.annotation.processing.*;
import javax.lang.model.SourceVersion;
import javax.lang.model.element.Element;
import javax.lang.model.element.ElementKind;
import javax.lang.model.element.RecordComponentElement;
import javax.lang.model.element.TypeElement;
import javax.lang.model.element.VariableElement;
import javax.lang.model.type.TypeKind;
import javax.lang.model.util.ElementFilter;
import javax.lang.model.util.ElementScanner14;
import javax.tools.Diagnostic.Kind;
import javax.tools.*;
import java.lang.annotation.*;
import java.util.*;
import javax.annotation.processing.*;
import javax.lang.model.element.*;
import javax.lang.model.type.*;
import javax.tools.Diagnostic.Kind;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
import com.sun.tools.javac.code.Symbol;
import com.sun.tools.javac.code.Symbol.VarSymbol;
import com.sun.tools.javac.util.Assert;
import toolbox.JavacTask;
import toolbox.Task;
import toolbox.Task.Mode;
import toolbox.Task.OutputKind;
import toolbox.TestRunner;
import toolbox.ToolBox;
/** this test is just provoking method Round::newRound to execute, this method has a visitor that,
* when visiting annotation ASTs, it sets theirs attribute field to null. Annotations attached to
* record components were not being visited. This provoked that some information from previous
* rounds were still accessible to the current annotation processing round provoking validation
* errors later on.
*/
public class ErrorOnAnnoWithTargetMethod extends TestRunner {
protected ToolBox tb;
ErrorOnAnnoWithTargetMethod() {
super(System.err);
tb = new ToolBox();
}
public static void main(String... args) throws Exception {
System.out.println(System.getProperties());
new ErrorOnAnnoWithTargetMethod().runTests();
}
protected void runTests() throws Exception {
runTests(m -> new Object[] { Paths.get(m.getName()) });
}
Path[] findJavaFiles(Path... paths) throws IOException {
return tb.findJavaFiles(paths);
}
static final String SOURCE =
"""
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
@Retention(RetentionPolicy.RUNTIME)
#ANNO
@interface MyAnn {
int value() default 1;
}
record MyRecord(@MyAnn(value=5) int recComponent){}
""";
String[] annos = new String[] {
"@Target({ElementType.RECORD_COMPONENT})",
"@Target({ElementType.TYPE_USE})",
"@Target({ElementType.PARAMETER})",
"@Target({ElementType.METHOD})",
"@Target({ElementType.FIELD})",
"@Target({ElementType.RECORD_COMPONENT, ElementType.TYPE_USE})",
"@Target({ElementType.RECORD_COMPONENT, ElementType.PARAMETER})",
"@Target({ElementType.RECORD_COMPONENT, ElementType.METHOD})",
"@Target({ElementType.RECORD_COMPONENT, ElementType.FIELD})",
"@Target({ElementType.RECORD_COMPONENT, ElementType.TYPE_USE, ElementType.PARAMETER, ElementType.METHOD, ElementType.FIELD})",
};
@Test
public void testAnnoProcessing(Path base) throws Exception {
Path src = base.resolve("src");
Path r = src.resolve("Records");
Path classes = base.resolve("classes");
Files.createDirectories(classes);
for (String anno : annos) {
String source = SOURCE.replaceFirst("#ANNO", anno);
tb.writeJavaFiles(r, source);
new JavacTask(tb, Mode.API)
.options("-nowarn", "-processor", Processor.class.getName())
.files(findJavaFiles(src))
.outdir(classes)
.run()
.writeAll()
.getOutputLines(Task.OutputKind.DIRECT);
}
}
public static final class Processor extends JavacTestingAbstractProcessor {
@Override
public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
return true;
}
}
}