netdev - Re: [PATCH net 1/2] ip_tunnel: Fix a memory corruption in ip_tunnel

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Message-ID: <1380110163.3165.138.camel@edumazet-glaptop>
Date:	Wed, 25 Sep 2013 04:56:03 -0700
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Steffen Klassert <steffen.klassert@...unet.com>
Cc:	David Miller <davem@...emloft.net>, netdev@...r.kernel.org
Subject: Re: [PATCH net 1/2] ip_tunnel: Fix a memory corruption in
 ip_tunnel_xmit

On Wed, 2013-09-25 at 07:54 +0200, Steffen Klassert wrote:
> We might extend the used aera of a skb beyond the total
> headroom when we install the ipip header. Fix this by
> calling skb_cow_head() unconditionally.
> 
> Signed-off-by: Steffen Klassert <steffen.klassert@...unet.com>
> ---
>  net/ipv4/ip_tunnel.c |   12 ++++++------
>  1 file changed, 6 insertions(+), 6 deletions(-)

Do you know or can we find when was the bug introduced ?

(commit id and title in your changelog would be really nice)

Thanks !


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