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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/hotspot/jtreg/runtime/Thread/TestThreadStackSizes.java Normal file
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/*
* Copyright (c) 2017, 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
* @summary Test user threads with various stack sizes.
* @run main/othervm TestThreadStackSizes
*/
public class TestThreadStackSizes extends Thread {
static final int K = 1024;
public TestThreadStackSizes(long stackSize) {
super(null, null, "TestThreadStackSizes" + stackSize, stackSize);
}
@Override
public void run() {
}
public static void createThread(long stackSize) {
System.out.println("StackSize: " + stackSize);
try {
TestThreadStackSizes testThreadStackSize = new TestThreadStackSizes(stackSize);
testThreadStackSize.start();
try {
testThreadStackSize.join();
} catch (InterruptedException e) {
throw new Error("InterruptedException in main thread", e);
}
} catch (Error e) { // we sometimes get OutOfMemoryError for very large stacks
System.out.println("Got exception for stack size " + stackSize + ": " + e);
}
}
public static void main(String[] args) throws Error {
// Try every stack size from 0k to 320k.
for (int i = 0; i <= 320; i++) {
createThread(i * K);
}
// Try a few other potentially problematic stack sizes.
createThread(500*K);
createThread(501*K);
createThread(-1);
createThread(500*K*K);
createThread(9223372036854774784L);
}
}