Across_the_Great_Wall

The source code

https://github.com/zh-explorer/shadow https://github.com/zh-explorer/Coroutine

The flag

/home/pwn/flag

build env && remote system env

$ g++ --version g++ (Ubuntu 7.4.0-1ubuntu1~18.04.1) 7.4.0

$ cmake --version cmake version 3.10.2

$ /lib/x86_64-linux-gnu/libc.so.6 GNU C Library (Ubuntu GLIBC 2.27-3ubuntu1) stable release version 2.27.

$ cat /etc/issue Ubuntu 18.04.3 LTS