[CRIU] [PATCH 0/3] tun: Check that net ns of tun device is dumped

Andrei Vagin avagin at virtuozzo.com
Wed Feb 28 23:20:37 MSK 2018


On Mon, Feb 19, 2018 at 03:15:53PM +0300, Kirill Tkhai wrote:
> This patchset makes dump code to check, that net is related
> to one of net namespaces, we already collected. If it's not,
> dump will fail like we do that for plain sockets.

But it isn't enought to dump tun devices from a non-root netns, isn't
it?

> 
> This patchset requires patch "tun: Add ioctl() SIOCGSKNS cmd
> to allow obtaining net ns of tun device" from net-next:
> 
> https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git/commit/?id=f2780d6d74756bc1d7ba32ff3dd0de4afd7c7e1e
> 
> ---
> 
> Kirill Tkhai (3):
>       net: Extrack ioctl() call from kerndat_socket_netns()
>       tun: Check tun has ioctl() cmd SIOCGSKNS
>       tun: Check that net ns of tun device is dumped
> 
> 
>  criu/include/kerndat.h |    1 +
>  criu/include/net.h     |    1 +
>  criu/include/tun.h     |    1 +
>  criu/kerndat.c         |    3 +++
>  criu/net.c             |   26 +++++++++++++++-----------
>  criu/tun.c             |   23 +++++++++++++++++++++++
>  6 files changed, 44 insertions(+), 11 deletions(-)
> 
> --
> Signed-off-by: Kirill Tkhai <ktkhai at virtuozzo.com>


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