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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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78
test/hotspot/jtreg/runtime/stack/Stack009.java Normal file
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/*
* Copyright (c) 2000, 2024, 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
* @key stress
*
* @summary converted from VM testbase nsk/stress/stack/stack009.
* VM testbase keywords: [stress, quick, stack, nonconcurrent]
* VM testbase readme:
* DESCRIPTION
* The test provokes second stack overflow from within the
* stack overflow handler.
* This test measures a number of recursive invocations until
* StackOverflowError, and then tries to make an invocation
* for the fixed invocations depth from within the "catch"
* block just caught the 1st stack overflow. The depth of new
* invocations is 100 times that depth seen at the 1st stack
* overflow; so that another stack overflow occurs.
* The test is deemed passed, if VM have not crashed, and
* if there is no exception thrown other than due to stack
* overflow.
* COMMENTS
* This test crashes HS versions 2.0, 1.3, and 1.4 on Win32
* and Solaris platforms.
* See the bug:
* 4366625 (P4/S4) multiple stack overflow causes HS crash
*
* @requires vm.opt.DeoptimizeALot != true
* @run main/othervm/timeout=900 Stack009
*/
public class Stack009 {
public static void main(String[] args) {
for (int depth = 100; ; depth += 100) {
try {
recurse(depth);
} catch (StackOverflowError | OutOfMemoryError error1) {
System.out.println("Max. depth: " + depth);
try {
recurse(100 * depth);
System.out.println("?");
} catch (StackOverflowError | OutOfMemoryError error2) {
// ignore
}
break;
}
}
}
static void recurse(int depth) {
if (depth > 0) {
recurse(depth - 1);
}
}
}