Re: [BUG] skb corruption and kernel panic at forwarding with fragmentation
From: Eric Dumazet <edumazet@google.com>
Date: 2016-01-07 11:59:09
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On Thu, Jan 7, 2016 at 6:38 AM, Konstantin Khlebnikov [off-list ref] wrote:
Also I've found strange thing: reason of expanding skb->cb from 40 to 48 bypes in 2006 3e3850e989c5d2eb1aab6f0fd9257759f0f4cbc6 was that struct inet6_skb_parm does not fit. But it's is only 24 bytes. Does some arches add pad after each _u16 field?
"struct inet6_skb_parm" is part of struct tcp_skb_cb This is why Patrick had to increase skb->cb[]