Alexey Dobriyan wrote:
ip_route_me_harder() is called on output codepaths:
1) IPVS: honestly, not sure, it can be called during forwarding
2) IPv4 REJECT: refreshing comment re skb->dst is valid
and assigment of skb->dst right before call :^)
3) NAT: called in LOCAL_OUT hook
4) iptable_mangle: LOCAL_OUT hook
5) nf_ip_reroute(): LOCAL_OUT hook (no clue about queueing packets to luserspace)
skb->dst->dev seems OK in all these cases.
P.S.: IPv6 version is also called by mangling code on input, what's the story
behind this discrepancy?
That looks wrong, I think the reason for this bug is that
IPv6 originally didn't support routing rules, so the call
was #ifdef 0'ed, then enabled without checking the hooks.
I'll queue up a fix.
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