https://n132.github.io/2019/05/21/2019-06-21-RCTF2019-Babyheap/#House-of-Storm

It's a Challenge which combined
Storm:
`https://n132.github.io/2019/05/07/2019-05-07-House-of-Storm/`

setcontext:
`https://n132.github.io/2019/05/10/2019-05-08-Startctf2019-Heap-master/#setcontext()`

calc(pwnable.tw):
`https://n132.github.io/2019/01/18/2019-01-18-pwnable-tw-Trip/#calc`

Original writeup (https://n132.github.io/2019/05/21/2019-06-21-RCTF2019-Babyheap/#House-of-Storm).