Re: [PATCHv2-net-3.8 0/3] fix kernel crash with macvtap on top ofLRO

From: David Miller
Date: Sun Feb 10 2013 - 20:15:22 EST


From: "Michael S. Tsirkin" <mst@xxxxxxxxxx>
Date: Thu, 7 Feb 2013 15:12:56 +0200

> At the moment, macvtap crashes are observed if macvtap is attached
> to an interface with LRO enabled.
> The crash in question is BUG() in macvtap_skb_to_vnet_hdr.
> This happens because several drivers set gso_size but not gso_type
> in incoming skbs.
> This didn't use to be the case: with intel cards on 3.2 and older
> kernels, with qlogic - on 3.4 and older kernels, so it's a regression if
> not a recent one.
> The following patches fix this for qlogic, broadcom and intel drivers.
>
> I tested that the patch fixes the crash for ixgbe but
> don't have qlogic/broadcom hardware to test.
> I also only tested TCPv4.
>
> Please review, and consider for 3.8.
>
> Changes from v1:
> - added missing htons as suggested by Eric
> - backported the relevant bits from
> cbf1de72324a8105ddcc3d9ce9acbc613faea17e for bnx2x

Applied to 'net', thanks.
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