ipvs: fix ipv6 route unreach panic
Previously there was a trivial panic unshare -n /bin/bash <<EOF ip addr add dev lo face::1/128 ipvsadm -A -t [face::1]:15213 ipvsadm -a -t [face::1]:15213 -r b00c::1 echo boom | nc face::1 15213 EOF This patch allows us to replicate the net logic above and simply capture the skb_dst(skb)->dev and use that for the purpose of the invocation. Signed-off-by: Alex Gartrell <agartrell@fb.com> Acked-by: Julian Anastasov <ja@ssi.bg> Signed-off-by: Simon Horman <horms@verge.net.au>
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@ -505,6 +505,13 @@ err_put:
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return -1;
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err_unreach:
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/* The ip6_link_failure function requires the dev field to be set
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* in order to get the net (further for the sake of fwmark
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* reflection).
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*/
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if (!skb->dev)
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skb->dev = skb_dst(skb)->dev;
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dst_link_failure(skb);
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return -1;
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}
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