netdev - Re: Bridge + Conntrack + SKB Recycle: Fragment Reassembly Errors

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Message-ID: <4B088600.8090209@trash.net>
Date:	Sun, 22 Nov 2009 01:29:52 +0100
From:	Patrick McHardy <kaber@...sh.net>
To:	ben@...footnetworks.com
CC:	David Miller <davem@...emloft.net>, netdev@...r.kernel.org
Subject: Re: Bridge + Conntrack + SKB Recycle: Fragment Reassembly Errors

Patrick McHardy wrote:
> So it seems we need to adjust skb->truesize in ip_fragment() since
> skb_recycle_check() assumes the skb is linear (and therefore
> skb->truesize reflects the linear size). Ben's suggestions of adding
> an upper limit based on the requested size to skb_recycle_check()
> makes sense to me as well to avoid this problem when recycling large
> linear skbs.

Ben, please give this patch a try.

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