Rating: 5.0
[Original Writeup](https://github.com/AdityaVallabh/ctf-write-ups/tree/master/b00t2root%20'18/Teleport)
As I know numpy does use malloc and python uses custom allocator with cache (for small sizes) + malloc for large size, maybe this solution is based on fastbin's behaviour..? Thanks for the great and fresh challenge!