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authorEvgeniy Polyakov <johnpol@2ka.mipt.ru>2007-08-24 23:36:29 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2007-08-26 18:35:47 -0700
commite7c243c925f6d9dcb898504ff24d6650b5cbb3b1 (patch)
treef06ae59e206e4876b0326c65811f496a8b1f4bdc /COPYING
parent7c8347a91dbbb723d8ed106ec817dabac97f2bbc (diff)
[VLAN/BRIDGE]: Fix "skb_pull_rcsum - Fatal exception in interrupt"
I tried to preserve bridging code as it was before, but logic is quite strange - I think we should free skb on error, since it is already unshared and thus will just leak. Herbert Xu states: > + if ((skb = skb_share_check(skb, GFP_ATOMIC)) == NULL) > + goto out; If this happens it'll be a double-free on skb since we'll return NF_DROP which makes the caller free it too. We could return NF_STOLEN to prevent that but I'm not sure whether that's correct netfilter semantics. Patrick, could you please make a call on this? Patrick McHardy states: NF_STOLEN should work fine here. Signed-off-by: Evgeniy Polyakov <johnpol@2ka.mipt.ru> Signed-off-by: David S. Miller <davem@davemloft.net>
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