From: Andrei Vagin
Date: Wed, 25 Oct 2017 10:16:42 -0700
> socket_diag shows information only about sockets from a namespace where
> a diag socket lives.
>
> But if we request information about one unix socket, the kernel don't
> check that its netns is matched with a diag socket namespace, so a
socket_diag shows information only about sockets from a namespace where
a diag socket lives.
But if we request information about one unix socket, the kernel don't
check that its netns is matched with a diag socket namespace, so any
user can get information about any unix socket in a system. This l
