Re: [Xen-devel] [PATCH v5] core, nfqueue, openvswitch: Orphan frags in skb_zerocopy and handle errors

[Ben Hutchings <ben@xxxxxxxxxxxxxxx>]

On Mon, 2014-04-21 at 12:26 +0100, Luis Henriques wrote:
> Hi David,
> 
> On Thu, Mar 27, 2014 at 03:29:56PM -0400, David Miller wrote:
> > From: Zoltan Kiss <zoltan.kiss@xxxxxxxxxx>
> > Date: Wed, 26 Mar 2014 22:37:45 +0000
> > 
> > > skb_zerocopy can copy elements of the frags array between skbs, but it 
> > > doesn't
> > > orphan them. Also, it doesn't handle errors, so this patch takes care of 
> > > that
> > > as well, and modify the callers accordingly. skb_tx_error() is also added 
> > > to
> > > the callers so they will signal the failed delivery towards the creator 
> > > of the
> > > skb.
> > > 
> > > Signed-off-by: Zoltan Kiss <zoltan.kiss@xxxxxxxxxx>
> > 
> > Fingers crossed :-)  Applied, thanks Zoltan.
> > --
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> 
> Could you please queue this for stable as well?  It has CVE-2014-2568
> assigned to it and I believe it is applicable to some of the trees.

It was applied to 3.13, but needs backporting to earlier versions.  I
posted my attempt in
<1397429860.10849.86.camel@xxxxxxxxxxxxxxxxxxxxxxxxxx> but it needs
testing/reviewing.

Ben.

-- 
Ben Hutchings
Beware of programmers who carry screwdrivers. - Leonard Brandwein

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