1 #include <inttypes.h> 2 #include <stdio.h> 3 #include <stdlib.h> 4 int main() 5 { 6 __attribute__((unused)) char *p = malloc (1); 7 char *b1 = malloc (128); 8 char *b2 = malloc (128); 9 fprintf (stderr, "b1 %#" PRIxPTR " b2 %#" PRIxPTR "\n", 10 (uintptr_t)b1, (uintptr_t)b2); 11 12 // Try to land in b2 from b1, causing no error 13 // with the default redzone-size, but having 14 // an error with a bigger redzone-size. 15 // We need to choose a value which lands in b2 16 // on 32 bits and 64 bits. 17 b1[127 + 70] = 'a'; 18 return 0; 19 } 20
