Running the exploit causes kernel panic

[triple-octopus]

Kernel panic after running on Ubuntu 22.04 LTS.
nftables and namespaces are setup correctly.
SSH console:
t@localhost:~$ uname -sr

Linux 5.15.0-94-generic

t@localhost:~$ ./exploit [*] creating user namespace (CLONE_NEWUSER)... [*] creating network namespace (CLONE_NEWNET)... [*] setting up UID namespace... [*] configuring localhost in namespace... [*] setting up nftables... [+] running normal privesc [*] waiting for the calm before the storm... [*] sending double free buffer packet... [*] spraying 16000 pte's...

Screen:

[Notselwyn]

The exploit tends to be unstable on devices which have heavy network usage. This is mentioned in the blogpost: https://pwning.tech/nftables/#62-post-exploitation-stability