My kids(all under 11yo) figured out how to buffer overflow the lock screen on our linux family games machine. It took a few times of trying to figure out if I

My kids(all under 11yo) figured out how to buffer overflow the lock screen on our linux family games machine. It took a few times of trying to figure out if I had forgotten to lock it to figure out how they did it. They were bored and upset it was locked, and just kept typing characters into the dialog box for 5 minutes. After they were gently scolded for breaking the spirit of the rules, I praised them for being clever hackers, and explained what exactly they had done.