校绵鼎 Discovering Useful Instruction Sequences in Libc The definition of "boring instructions" 1.the instruction is a leave instruction and is followed by a ret instruction;or 2. the instruction is a pop %ebp instruction and is immediately followed by a ret instruction;or 3. the instruction is a return or an unconditional jump. 2023/2/7 102023/2/7 10 Discovering Useful Instruction Sequences in Libc The definition of "boring instructions" : 1. the instruction is a leave instruction and is followed by a ret instruction; or 2. the instruction is a pop %ebp instruction and is immediately followed by a ret instruction; or 3. the instruction is a return or an unconditional jump