p1 func retaddr rbp+8 old rbp () <-- %rbp buffer[8] rbp-8 rbp-16 char* content rbp-24 p3 func retaddr rbp+8 old rbp () <-- %rbp= 0x7fffffffd600 0x72 1row 0x0 3rows buffer[32] rbp-32 char* content rbp-40