A memory visualizer for Linux 5.7+

Made for this video: https://www.youtube.com/watch?v=DpnXaNkM9_M

The vm.unprivileged_userfaultfd sysctl needs to be switched to 1:

$ sudo sysctl -w vm.unprivileged_userfaultfd=1

Doing this effectively "softens" your system to some attacks, so only do this in a VM or if you're reckless, but also, it seems less awful than running mevi + tracees as root. (No, giving the mevi binary CAP_PTRACE isn't enough).

You can technically run a bunch of apps with only user faults, but some fairly basic stuff like cat /hosts will fail with EFAULT without it, so, I'm not makin