Re: [PATCH] ipvs: Fix panic due to non-linear skb

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On Thu, 3 Jul 2014 10:21:19 +0200
Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx> wrote:

> On Thu, Jul 03, 2014 at 09:00:57AM +0200, Peter Christensen wrote:
> > On Wed, 18 Jun 2014 11:44:01 +0200
> > Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx> wrote:
> > 
> > > From: Peter Christensen <pch@xxxxxxxxxxxx>
> > > 
> > > [ Upstream commit f44a5f45f544561302e855e7bd104e5f506ec01b ]
> > > 
> > > Receiving a ICMP response to an IPIP packet in a non-linear skb
> > > could cause a kernel panic in __skb_pull.
> > > 
> > > The problem was introduced in
> > > commit f2edb9f7706dcb2c0d9a362b2ba849efe3a97f5e ("ipvs: implement
> > > passive PMTUD for IPIP packets").
> > > 
> > > Cc: <stable@xxxxxxxxxxxxxxx> # 3.10.x
> > > Cc: <stable@xxxxxxxxxxxxxxx> # 3.12.x
> > > Cc: <stable@xxxxxxxxxxxxxxx> # 3.14.x
> > > Signed-off-by: Peter Christensen <pch@xxxxxxxxxxxx>
> > > Acked-by: Julian Anastasov <ja@xxxxxx>
> > > Signed-off-by: Simon Horman <horms@xxxxxxxxxxxx>
> > 
> > Hi,
> > 
> > I was wondering what the status of this patch was, since it hasn't
> > been included in the stable queue yet.
> 
> I'll be sending a request for this and another Netfilter/IPVS patches
> soon.
> 
> I don't see this patch yet in:
> 
> http://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/log/
> 
> since it's updated to -rc2, and I think it's the reference tree.

The patch was added 2014-05-26, just after 3.15-rc7:

http://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/log/net/netfilter/ipvs/ip_vs_core.c


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