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authorPaolo Abeni <pabeni@redhat.com>2016-06-23 15:25:09 +0200
committerDavid S. Miller <davem@davemloft.net>2016-06-27 10:37:20 -0400
commit48f1dcb55a7d29aeb8965c567660c14d0dfd1a42 (patch)
tree1707081a7e522c1f4ae9a8b30997e4f72532ef0c /net/vmw_vsock
parent5aa3e24928bb95ddb159c5949f1c09493e9e8505 (diff)
ipv6: enforce egress device match in per table nexthop lookups
with the commit 8c14586fc320 ("net: ipv6: Use passed in table for nexthop lookups"), net hop lookup is first performed on route creation in the passed-in table. However device match is not enforced in table lookup, so the found route can be later discarded due to egress device mismatch and no global lookup will be performed. This cause the following to fail: ip link add dummy1 type dummy ip link add dummy2 type dummy ip link set dummy1 up ip link set dummy2 up ip route add 2001:db8:8086::/48 dev dummy1 metric 20 ip route add 2001:db8:d34d::/64 via 2001:db8:8086::2 dev dummy1 metric 20 ip route add 2001:db8:8086::/48 dev dummy2 metric 21 ip route add 2001:db8:d34d::/64 via 2001:db8:8086::2 dev dummy2 metric 21 RTNETLINK answers: No route to host This change fixes the issue enforcing device lookup in ip6_nh_lookup_table() v1->v2: updated commit message title Fixes: 8c14586fc320 ("net: ipv6: Use passed in table for nexthop lookups") Reported-and-tested-by: Beniamino Galvani <bgalvani@redhat.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com> Acked-by: David Ahern <dsa@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/vmw_vsock')
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