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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/java/net/ServerSocket/AnotherSelectFdsLimit.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 8035897
* @summary FD_SETSIZE should be set on macosx
* @requires os.family == "mac"
* @run main/othervm AnotherSelectFdsLimit 1023
* @run main/othervm AnotherSelectFdsLimit 1024
* @run main/othervm AnotherSelectFdsLimit 1025
* @run main/othervm AnotherSelectFdsLimit 1600
*/
import java.io.IOException;
import java.net.ServerSocket;
import java.net.SocketTimeoutException;
import java.util.ArrayList;
import java.util.List;
public class AnotherSelectFdsLimit {
static final int DEFAULT_FDS_TO_USE = 1600;
public static void main(String [] args) throws Exception {
int fdsToUse = DEFAULT_FDS_TO_USE;
if (args.length == 1)
fdsToUse = Integer.parseInt(args[0]);
System.out.println("Using " + fdsToUse + " fds.");
List<Thread> threads = new ArrayList<>();
for (int i=0; i<fdsToUse; i++)
threads.add(new WorkerThread());
for (Thread t : threads)
t.start();
for (Thread t : threads)
t.join();
}
static class WorkerThread extends Thread {
public void run() {
try (ServerSocket ss = new ServerSocket(0)) {
ss.setSoTimeout(2000);
ss.accept();
} catch (SocketTimeoutException x) {
// expected
} catch (IOException x) {
throw new java.io.UncheckedIOException(x);
}
}
}
}