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Date: Fri, 19 Sep 2014 05:46:48 -0700 From: Eric Dumazet <eric.dumazet@...il.com> To: Jason Wang <jasowang@...hat.com> Cc: davem@...emloft.net, netdev@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH net-next V2] net: keep original skb which only needs header checking during software GSO On Fri, 2014-09-19 at 16:04 +0800, Jason Wang wrote: > Commit ce93718fb7cdbc064c3000ff59e4d3200bdfa744 ("net: Don't keep > around original SKB when we software segment GSO frames") frees the > original skb after software GSO even for dodgy gso skbs. This breaks > the stream throughput from untrusted sources, since only header > checking was done during software GSO instead of a true > segmentation. This patch fixes this by freeing the original gso skb > only when it was really segmented by software. > > Fixes ce93718fb7cdbc064c3000ff59e4d3200bdfa744 ("net: Don't keep > around original SKB when we software segment GSO frames.") > > Cc: David S. Miller <davem@...emloft.net> > Cc: Eric Dumazet <eric.dumazet@...il.com> > Signed-off-by: Jason Wang <jasowang@...hat.com> > --- Acked-by: Eric Dumazet <edumazet@...gle.com> -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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