What would be the result of the following code?
#include <stdio.h>
#include <stdlib.h>
int main(int argc, char *argv[])
{
char *input=malloc(20);
char *output=malloc(20);
strcpy(output, “normal output”);
strcpy(input, argv[1]);

printf(“input at %p: %s\n”, input, input);
printf(“output at %p: %s\n”, output, output);
printf(“\n\n%s\n”, output);
}

A.
Stack buffer overflow

B.
Heap overflow

C.
Query string manipulation

D.
Pointer Subterfuge

Explanation: