Opening /proc/<pid>/net/dev prevents network namespace from expiring

[Greg KH]

On Sat, Aug 22, 2020 at 11:05:53PM +0200, Arne Welzel wrote:
> Hello,
> 
> as an unprivileged user one is able to keep network namespaces from
> expiring by opening /proc/<pid>/net/dev of other processes. I've previously
> put this on stackexchange [1] and then bugzilla [2]. That's been a while
> though, so posting here for a bit more visibility in case it's something
> that's worth fixing.

The proper place to send networking bugs/issues is to the networking
developers themselves, at netdev at vger.kernel.org.

Try sending it there, no kernel developers use stackexchange for
development :)

thanks,

greg k-h