A server program takes an input from a remote user, saves the input in a buffer allocated

on the stack $($Region $$ in Figure $6\mathrm{.}9).$ The address of this buffer is then stored in the local

variable fmt$,$ which is used in the following statement in the server program:

printf$($fmt$)$;

When the above statement is executed, the current stack layout is depicted in Figure $6\mathrm{.}9.$

If you are a malicious attacker, can you construct the input, so when the input is fed into

the server program, you can get the server program to execute your code? Please write

down the actual content of the input $($you do not need to provide the exact content of

the code; just put $$malicious code$$ in your answer, but you need to put it in the correct

location$).$