--- zzzz-none-000/linux-4.9.218/net/ipv4/ip_sockglue.c 2020-04-02 15:20:41.000000000 +0000 +++ seale-7590ax-750/linux-4.9.218/net/ipv4/ip_sockglue.c 2023-03-29 10:59:08.000000000 +0000 @@ -970,7 +970,7 @@ mreq.imr_multiaddr.s_addr = mreqs.imr_multiaddr; mreq.imr_address.s_addr = mreqs.imr_interface; mreq.imr_ifindex = 0; - err = ip_mc_join_group(sk, &mreq); + err = ip_mc_join_group_ssm(sk, &mreq, MCAST_INCLUDE); if (err && err != -EADDRINUSE) break; omode = MCAST_INCLUDE; @@ -1047,7 +1047,7 @@ mreq.imr_multiaddr = psin->sin_addr; mreq.imr_address.s_addr = 0; mreq.imr_ifindex = greqs.gsr_interface; - err = ip_mc_join_group(sk, &mreq); + err = ip_mc_join_group_ssm(sk, &mreq, MCAST_INCLUDE); if (err && err != -EADDRINUSE) break; greqs.gsr_interface = mreq.imr_ifindex;