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Date:	Fri, 18 Mar 2011 14:28:59 -0500
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Eric Dumazet <eric.dumazet@...il.com>
Cc:	Diddi Oscarsson <diddi@...di.se>,
	David Miller <davem@...emloft.net>, netdev@...r.kernel.org,
	Patrick McHardy <kaber@...sh.net>
Subject: Re: VLAN over GRE segfault

On Fri, Mar 18, 2011 at 11:27:27AM +0100, Eric Dumazet wrote:
>
> This uncover a bug in vlan code.
> 
> We should make sure vlan devices take into account their
> real_dev->needed_headroom or we risk a crash in ipgre_header(), because
> we dont have enough room to push IP header in skb.
> 
> Reported-by: Diddi Oscarsson <diddi@...di.se>
> Signed-off-by: Eric Dumazet <eric.dumazet@...il.com>
> Cc: Patrick McHardy <kaber@...sh.net>
> Cc: Herbert Xu <herbert@...dor.apana.org.au>

Acked-by: Herbert Xu <herbert@...dor.apana.org.au>

Thanks,
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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