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			24 lines
		
	
	
		
			833 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			24 lines
		
	
	
		
			833 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| // Copyright 2016 the V8 project authors. All rights reserved.
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| // Use of this source code is governed by a BSD-style license that can be
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| // found in the LICENSE file.
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| 
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| // Trigger an infinite loop through RegExp.prototype[@@match], which results
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| // in unbounded growth of the results array.
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| 
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| // Limit the number of iterations to avoid OOM while still triggering large
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| // object space allocation.
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| const min_ptr_size = 4;
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| const max_regular_heap_object_size = 507136;
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| const num_iterations = max_regular_heap_object_size / min_ptr_size;
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| 
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| let i = 0;
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| 
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| const re = /foo.bar/;
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| const RegExpPrototypeExec = RegExp.prototype.exec;
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| re.exec = (str) => {
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|   return (i++ < num_iterations) ? RegExpPrototypeExec.call(re, str) : null;
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| };
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| re.__defineGetter__("global", () => true);  // Triggers infinite loop.
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| 
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| "foo*bar".match(re);  // Should not crash.
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