1 #include <stdio.h> 2 #include <stdlib.h> main()3int main() 4 { 5 __attribute__((unused)) char *p = malloc (1); 6 char *b1 = malloc (128); 7 char *b2 = malloc (128); 8 fprintf (stderr, "b1 %p b2 %p\n", b1, b2); 9 10 // Try to land in b2 from b1, causing no error 11 // with the default redzone-size, but having 12 // an error with a bigger redzone-size. 13 // We need to choose a value which lands in b2 14 // on 32 bits and 64 bits. 15 b1[127 + 70] = 'a'; 16 return 0; 17 } 18