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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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test/langtools/tools/javac/classreader/Annotations.java Normal file
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/*
* Copyright (c) 2026, 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 8305250
* @summary Check behavior w.r.t. annotations missing from the classpath.
* @library /tools/lib
* @modules jdk.compiler/com.sun.tools.javac.api
* jdk.compiler/com.sun.tools.javac.main
* @build toolbox.ToolBox toolbox.JavacTask
* @run junit Annotations
*/
import java.nio.file.Files;
import java.util.List;
import java.nio.file.Path;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.TestInfo;
import toolbox.ToolBox;
import toolbox.JavacTask;
import toolbox.Task;
public class Annotations {
private ToolBox tb = new ToolBox();
private Path base;
@Test
public void testParameterModifiersNotVisible() throws Exception {
Path ann = base.resolve("annotations");
Path annSrc = ann.resolve("src");
Path annClasses = ann.resolve("classes");
tb.writeJavaFiles(annSrc,
"""
package annotations;
public @interface Ann {
public E e();
}
""",
"""
package annotations;
public enum E {
A;
}
""");
Files.createDirectories(annClasses);
new JavacTask(tb)
.outdir(annClasses)
.files(tb.findJavaFiles(annSrc))
.run()
.writeAll();
Path lib = base.resolve("lib");
Path libSrc = lib.resolve("src");
Path libClasses = lib.resolve("classes");
tb.writeJavaFiles(libSrc,
"""
package lib;
import annotations.*;
@Ann(e = E.A)
public class Lib {
}
""");
Files.createDirectories(libClasses);
new JavacTask(tb)
.outdir(libClasses)
.classpath(annClasses)
.files(tb.findJavaFiles(libSrc))
.run()
.writeAll();
Path test = base.resolve("test");
Path testSrc = test.resolve("src");
Path testClasses = test.resolve("classes");
tb.writeJavaFiles(testSrc,
"""
package test;
import lib.*;
public class Test {
Lib l;
}
""");
Files.createDirectories(testClasses);
//annotations available, no errors/warnings:
new JavacTask(tb)
.outdir(testClasses)
.classpath(libClasses, annClasses)
.options("-Werror", "-Xlint:classfile")
.files(tb.findJavaFiles(testSrc))
.run()
.writeAll();
//annotation and enum missing, no errors/warnings:
new JavacTask(tb)
.outdir(testClasses)
.classpath(libClasses)
.options("-Werror", "-Xlint:classfile")
.files(tb.findJavaFiles(testSrc))
.run()
.writeAll();
tb.writeJavaFiles(annSrc,
"""
package annotations;
public enum E {
B;
}
""");
Files.createDirectories(annClasses);
new JavacTask(tb)
.outdir(annClasses)
.files(tb.findJavaFiles(annSrc))
.run()
.writeAll();
List<String> log;
//enum missing the enum constant recorded in the classfile, report warning:
log = new JavacTask(tb)
.outdir(testClasses)
.classpath(libClasses, annClasses)
.options("-Xlint:classfile", "-XDrawDiagnostics")
.files(tb.findJavaFiles(testSrc))
.run()
.writeAll()
.getOutputLines(Task.OutputKind.DIRECT);
tb.checkEqual(log,
List.of("Lib.class:-:-: compiler.warn.unknown.enum.constant: E.class, annotations.E, A",
"1 warning"));
//enum is missing, but the annotation is not, report warning:
Files.delete(annClasses.resolve("annotations").resolve("E.class"));
log = new JavacTask(tb)
.outdir(testClasses)
.classpath(libClasses, annClasses)
.options("-Xlint:classfile", "-XDrawDiagnostics")
.files(tb.findJavaFiles(testSrc))
.run()
.writeAll()
.getOutputLines(Task.OutputKind.DIRECT);
tb.checkEqual(log,
List.of("Lib.class:-:-: compiler.warn.unknown.enum.constant.reason: Ann.class, annotations.E, A, (compiler.misc.class.file.not.found: annotations.E)",
"1 warning"));
tb.writeJavaFiles(annSrc,
"""
package annotations;
public @interface Ann {
public E nue();
}
""",
"""
package annotations;
public enum E {
A;
}
""");
new JavacTask(tb)
.outdir(annClasses)
.files(tb.findJavaFiles(annSrc))
.run()
.writeAll();
//enum is OK and the annotation exists, but the annotation is missing the required attribute method, report warning:
log = new JavacTask(tb)
.outdir(testClasses)
.classpath(libClasses, annClasses)
.options("-Xlint:classfile", "-XDrawDiagnostics")
.files(tb.findJavaFiles(testSrc))
.run()
.writeAll()
.getOutputLines(Task.OutputKind.DIRECT);
tb.checkEqual(log,
List.of("Lib.class:-:-: compiler.warn.annotation.method.not.found: annotations.Ann, e",
"1 warning"));
}
@BeforeEach
public void setup(TestInfo ti) {
base = Path.of(".").resolve(ti.getTestMethod().orElseThrow().getName());
}
}