Re: PROBLEM: System call 'sendmsg' of process ospfd (quagga) causeskernel oops

[Eric Dumazet]

Le mercredi 19 octobre 2011 Ã 03:30 -0400, David Miller a Ãcrit :
> From: Eric Dumazet <eric.dumazet@xxxxxxxxx>
> Date: Wed, 19 Oct 2011 09:18:33 +0200
> 
> > Seems fine (Maybe do the +15 in caller site ?), but we also have other
> > problematic cases, using alloc_skb() only...
> 
> Ok, which ones operate over these problematic GRE tunnels?
> 

I was more thinking of general idea to allow any device to change its
needed headroom.

For GRE tunnels, I dont think IPv6 fragmentation could be relevant,
but maybe IGMP could trigger a problem ?



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