Pwning the (broken) unbreakable challenge: message
This post is about an old pwn challenge which, after (probably a kernel) update, broke and it was not possible to solve in the intended way anymore. The challenge in question is message from pwnable.xyz. I got fixated with breaking this challenge in an unintended way and eventually I was able to do it. Even though no new or fancy technique was used for this, I hope this post inspires somebodye else to do that one thing that seems impossible but you have that strong suspicion you could be the one to do it, against all odds....