http://angelboy.logdown.com/
https://wizardforcel.gitbooks.io/sploitfun-linux-x86-exp-tut/content/
https://github.com/scwuaptx/HITCON-Training
https://github.com/Kung-Pao-Chicken/ctf
https://github.com/shellphish/how2heap
https://pwnable.tw/
http://pwnable.kr/
https://etenal.me/archives/972#B1
https://heap-exploitation.dhavalkapil.com/