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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/jdk/sun/nio/cs/StreamEncoderClose.java Normal file
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/*
* Copyright (c) 2008, 2023, 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 5005426
* @summary Check if StreamEncoder close() method works correctly from
* error recovery after the underneath OutputStream failed to
* close the first time.
* @modules jdk.charsets
*/
import java.io.*;
public class StreamEncoderClose {
private static void ck(String s, int actual, int expected)
throws IOException {
if (actual != expected) {
String msg = String.format("%s: actual (%d) != expected (%d)%n",
s, actual, expected);
throw new IOException(msg);
}
}
public static void main( String arg[] ) throws Exception {
byte[] expected = {(byte)0x1b,(byte)0x24,(byte)0x42,
(byte)0x30,(byte)0x6c,
(byte)0x1b,(byte)0x28,(byte)0x42};
ByteArrayOutputStream baos = new ByteArrayOutputStream();
MyBufferedOutputStream mbos = new MyBufferedOutputStream(baos);
PrintWriter pw = new PrintWriter(new OutputStreamWriter(mbos, "ISO-2022-JP"));
mbos.dontClose();
pw.write("\u4e00");
pw.close(); // 1st PrintWriter Close
mbos.canClose();
pw.close(); // 2nd PrintWriter Close
//double check, probably not necessary
byte[] out = baos.toByteArray();
ck("Lengths are unequal", out.length, expected.length);
for (int i = 0; i < out.length; i++) {
//System.out.printf("(byte)0x%x,", out[i] & 0xff);
ck("Values are unequal", out[i], expected[i]);
}
}
static class MyBufferedOutputStream extends BufferedOutputStream {
MyBufferedOutputStream(OutputStream os) {
super(os);
}
private boolean status;
public void dontClose() {
status = false;
}
public void canClose() {
status = true;
}
public void close() throws IOException {
if ( status == false ) {
throw new IOException("Can't close ");
}
super.close();
}
}
}