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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
commit 0a580b313d
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test/jdk/java/net/httpclient/qpack/IntegerReaderMaxValuesTest.java Normal file
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/*
* Copyright (c) 2024, 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.
*/
import jdk.internal.net.http.qpack.QPackException;
import jdk.internal.net.http.qpack.readers.IntegerReader;
import jdk.internal.net.http.qpack.writers.IntegerWriter;
import java.nio.ByteBuffer;
import java.util.stream.IntStream;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.TestInstance;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.MethodSource;
/*
* @test
* @modules java.base/jdk.internal.net.quic
* java.net.http/jdk.internal.net.http.http3
* java.net.http/jdk.internal.net.http.hpack
* java.net.http/jdk.internal.net.http.qpack
* java.net.http/jdk.internal.net.http.qpack.readers
* java.net.http/jdk.internal.net.http.qpack.writers
* @run junit/othervm -Djdk.internal.httpclient.qpack.log.level=INFO
* IntegerReaderMaxValuesTest
*/
@TestInstance(TestInstance.Lifecycle.PER_CLASS)
public class IntegerReaderMaxValuesTest {
public Object[][] nValues() {
return IntStream.range(1, 8)
.boxed()
.map(N -> new Object[]{N})
.toArray(Object[][]::new);
}
@ParameterizedTest
@MethodSource("nValues")
public void maxIntegerWriteRead(int N) {
IntegerWriter writer = new IntegerWriter();
writer.configure(IntegerReader.QPACK_MAX_INTEGER_VALUE, N, 0);
ByteBuffer buffer = ByteBuffer.allocate(1024);
writer.write(buffer);
IntegerReader reader = new IntegerReader();
reader.configure(N);
buffer.flip();
reader.read(buffer);
long result = reader.get();
Assertions.assertEquals(IntegerReader.QPACK_MAX_INTEGER_VALUE, result);
}
@ParameterizedTest
@MethodSource("nValues")
public void overflowInteger(int N) {
Assertions.assertThrows(QPackException.class, () -> {
// Construct buffer with overflowed integer
ByteBuffer overflowBuffer = ByteBuffer.allocate(11);
overflowBuffer.put((byte) ((2 << (N - 1)) - 1));
for (int i = 0; i < 9; i++) {
overflowBuffer.put((byte) 128);
}
overflowBuffer.put((byte) 10);
overflowBuffer.flip();
// Read the buffer with IntegerReader
IntegerReader reader = new IntegerReader();
reader.configure(N);
reader.read(overflowBuffer);
});
}
}