Re: [PATCH v2 1/2] virtio-net: Verify page list size before fittinginto skb

From: Michael S. Tsirkin
Date: Mon Oct 03 2011 - 14:42:18 EST


On Mon, Oct 03, 2011 at 02:19:51PM -0400, David Miller wrote:
> From: Sasha Levin <levinsasha928@xxxxxxxxx>
> Date: Wed, 28 Sep 2011 17:40:54 +0300
>
> > This patch verifies that the length of a buffer stored in a linked list
> > of pages is small enough to fit into a skb.
> >
> > If the size is larger than a max size of a skb, it means that we shouldn't
> > go ahead building skbs anyway since we won't be able to send the buffer as
> > the user requested.
> >
> > Cc: Rusty Russell <rusty@xxxxxxxxxxxxxxx>
> > Cc: "Michael S. Tsirkin" <mst@xxxxxxxxxx>
> > Cc: virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx
> > Cc: netdev@xxxxxxxxxxxxxxx
> > Cc: kvm@xxxxxxxxxxxxxxx
> > Signed-off-by: Sasha Levin <levinsasha928@xxxxxxxxx>
>
> Michael, tell me what's happening with these two virtio-net bug fixes.
>
> Thanks.

Thanks for the reminder.
They are more enhancements than bugfixes, in that both help debug buggy
hypervisors. So net-next material.
Patch 1 is ok patch 2 would benefit from a slightly clearer comment.

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MST
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