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Date:   Mon, 31 Oct 2016 10:58:08 -0400 (EDT)
From:   David Miller <>
Subject: Re: [PATCH net-next] net: add an ioctl to get a socket network

From: Andrei Vagin <>
Date: Mon, 24 Oct 2016 18:29:13 -0700

> From: Andrey Vagin <>
> Each socket operates in a network namespace where it has been created,
> so if we want to dump and restore a socket, we have to know its network
> namespace.
> We have a socket_diag to get information about sockets, it doesn't
> report sockets which are not bound or connected.
> This patch introduces a new socket ioctl, which is called SIOCGSKNS
> and used to get a file descriptor for a socket network namespace.
> A task must have CAP_NET_ADMIN in a target network namespace to
> use this ioctl.
> Cc: "David S. Miller" <>
> Cc: Eric W. Biederman <>
> Signed-off-by: Andrei Vagin <>


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