[01:52] <antarus> cjwatson: random query, in ssh 3.5 (super old) ssh-agent was changed to be setgid and owned by root:ssh to avoid ptrace attacks
[01:52] <antarus> cjwatson: curious, now that we haev stuff like yama and ptrace protections, if that is strictly needed
[08:56] <cjwatson> antarus: defence in depth is always good for this sort of thing