1 #include <string.h>

     2 #include <stdio.h>

     3 #include <stdlib.h>

     4 

     5 

     6 void foo (char *bar)

     7 {

     8   float my_float = 10.5;    // in hex: \x41\x28\x00\x00

     9   char  buffer[28];        

    10 

    11   printf("my float value = %f\n", my_float);

    12   strcpy(buffer, bar);   

    13   printf("my float value = %f\n", my_float);

    14 }

    15  

    16 int main (int argc, char **argv)

    17 {

    18   // only float overwritten

    19   foo("my string is too long !!!!! \x10\x10\xc0\x42"); 

    20   // also calls can_never_run

    21   foo("my string is too long !!!!! \x10\x10\xc0\x42\x90\x90\x90\x90\x55\x84\x04\x08"); 

    22   return 0;

    23 }

    24 

    25 // its address in my setup is \x08048455

    26 void can_never_run()

    27 { 

    28   printf("This can never be executed!\n");

    29   exit(0);

    30 }

    31 

    32