From: Tim Beale <timbe...@catalyst.net.nz> Date: Tue, 4 Jun 2019 13:56:23 +1200
> By default, packets received in another VRF should not be passed to an > unbound socket in the default VRF. This patch updates the IPv4 UDP > multicast logic to match the unicast VRF logic (in compute_score()), > as well as the IPv6 mcast logic (in __udp_v6_is_mcast_sock()). > > The particular case I noticed was DHCP discover packets going > to the 255.255.255.255 address, which are handled by > __udp4_lib_mcast_deliver(). The previous code meant that running > multiple different DHCP server or relay agent instances across VRFs > did not work correctly - any server/relay agent in the default VRF > received DHCP discover packets for all other VRFs. > > Signed-off-by: Tim Beale <timbe...@catalyst.net.nz> Applied and queued up for -stable, thanks.
