netdev - Re: Bug in skb_segment: fskb->len != len

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Message-ID: <1383105785.4857.21.camel@edumazet-glaptop.roam.corp.google.com>
Date:	Tue, 29 Oct 2013 21:03:05 -0700
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Herbert Xu <herbert@...dor.apana.org.au>
Cc:	Christoph Paasch <christoph.paasch@...ouvain.be>,
	netdev <netdev@...r.kernel.org>
Subject: Re: Bug in skb_segment: fskb->len != len

On Wed, 2013-10-30 at 09:50 +0800, Herbert Xu wrote:
> On Tue, Oct 29, 2013 at 08:08:13AM -0700, Eric Dumazet wrote:
> >
> > GRO layer was updated to be able to stack two or three sk_buff,
> > fully populated with page frags.
> > 
> > Thats quite mandatory to support line rate for 40Gb links.
> 
> Indeed I missed this.  Which commit introduced this change?

This was mentioned in the changelog :

<quote>

Christoph Paasch and Jerry Chu reported crashes in skb_segment() caused
by commit 8a29111c7ca6 ("net: gro: allow to build full sized skb")

</quote>


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