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			20 lines
		
	
	
	
		
			336 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			20 lines
		
	
	
	
		
			336 B
		
	
	
	
		
			C
		
	
	
	
	
	
| #include <stdlib.h>
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| #include <stdio.h>
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| #include <string.h>
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| 
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| #include <malloc.h>
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| 
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| #include "test_util.h"
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| 
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| OPTNONE int main(void) {
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|     char *p = malloc(16);
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|     if (!p) {
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|         return 1;
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|     }
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| 
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|     size_t size = malloc_usable_size(p);
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|     memset(p, 'a', size);
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|     printf("overflow by %zu bytes\n", strlen(p) - size);
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| 
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|     return 0;
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| }
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