64bit 格式化，服务器环境貌似搞得不好，原本的fortify_source 没有用了，直接暴力写个one_gadget 就完事了

❯ nc 211.159.175.39 8686                                  
echo from your heart                                      
lens of your word: 10                                     
word: %n                                                  
echo:                                                     
lens of your word: ^C                                     

本地------                                              
[root@aqsv] ~/pediy                                      
❯ ./echo_from_your_heart                                  
echo from your heart                                      
lens of your word: 10                                     
word: %n                                                  
echo: *** %n in writable segment detected ***             
[1]    26614 abort (core dumped)  ./echo_from_your_heart

[注意]看雪招聘，专注安全领域的专业人才平台！