1 2 #include <stdlib.h> 3 4 int* mk_dangle(void) 5 { 6 int* x = malloc(400); 7 free(x); 8 9 return x; 10 } 11 12 int main(void) 13 { 14 int y; 15 int* x = mk_dangle(); 16 17 y = x[5]; 18 y = x[-1]; 19 20 return 0; 21 } 22