Re: [PATCH v2 0/3] Make /proc per net namespace objects belong to container
From: David Miller
Date: Mon Aug 15 2016 - 00:09:59 EST
From: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>
Date: Wed, 10 Aug 2016 14:35:59 -0700
> Currently [almost] all /proc objects belong to the global root, even if
> data belongs to a given namespace within a container and (at least for
> sysctls) we work around permssions checks to allow container's root to
> access the data.
>
> This series changes ownership of net namespace /proc objects
> (/proc/net/self/* and /proc/sys/net/*) to be container's root and not
> global root when there exists mapping for container's root in user
> namespace.
>
> This helps when running Android CTS in a container, but I think it makes
> sense regardless.
>
> Changes from V1:
>
> - added fix for crash when !CONFIG_NET_NS (new patch #1)
> - addressed Eric'c comments for error handling style in patch #3 and
> added his Ack
> - adjusted patch #2 to use the same style of erro handling
> - sent out as series instead of separate patches
Series applied to net-next, thanks.