Re: [PATCH net 1/2] ip_tunnel: Fix a memory corruption in ip_tunnel_xmit
From: Steffen Klassert <steffen.klassert@secunet.com>
Date: 2013-09-25 12:13:40
On Wed, Sep 25, 2013 at 04:56:03AM -0700, Eric Dumazet wrote:
On Wed, 2013-09-25 at 07:54 +0200, Steffen Klassert wrote:quoted
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@secunet.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 ?
It was commit c544193214 (GRE: Refactor GRE tunneling code.) when net/ipv4/ip_tunnel.c was created.
(commit id and title in your changelog would be really nice)
I can send a v2 with these informations included if you want that.