From: Willem de Bruijn
Date: Tue, 8 Mar 2016 15:18:54 -0500
> From: Willem de Bruijn
>
> The stack expects link layer headers in the skb linear section.
> Macvtap can create skbs with llheader in frags in edge cases:
> when (IFF_VNET_HDR is off or vnet_hdr.hdr_len < ETH_HLEN) and
> prepad + le
From: Willem de Bruijn
The stack expects link layer headers in the skb linear section.
Macvtap can create skbs with llheader in frags in edge cases:
when (IFF_VNET_HDR is off or vnet_hdr.hdr_len < ETH_HLEN) and
prepad + len > PAGE_SIZE and vnet_hdr.flags has no or bad csum.
Add checks to ensure
