netdev - Re: [PATCH net-next-2.6] netlink: netlink

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Date:	Sun, 25 Jul 2010 21:55:48 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	eric.dumazet@...il.com
Cc:	johannes@...solutions.net, netdev@...r.kernel.org
Subject: Re: [PATCH net-next-2.6] netlink: netlink_recvmsg() fix

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Wed, 21 Jul 2010 10:43:55 +0200

> [PATCH net-next-2.6 v3] netlink: netlink_recvmsg() fix
> 
> commit 1dacc76d0014 
> (net/compat/wext: send different messages to compat tasks)
> introduced a race condition on netlink, in case MSG_PEEK is used.
> 
> An skb given by skb_recv_datagram() might be shared, we must copy it
> before any modification, or risk fatal corruption.
> 
> Signed-off-by: Eric Dumazet <eric.dumazet@...il.com>

Applied, thanks Eric.
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