in reply to Re: copyfail challenge: making Perl version smaller
in thread copyfail challenge: making Perl version smaller

Yes, but until you reboot (or flush pagecache), the su command is bad. And some people do not reboot for a long time.

I checked the functionality of the exploit in QEMU.

  • Comment on Re^2: copyfail challenge: making Perl version smaller

In Section Seekers of Perl Wisdom