From: Xin Long Date: Sun, 20 Aug 2017 05:38:08 +0000 (+0800) Subject: netfilter: ipvs: do not create conn for ABORT packet in sctp_conn_schedule X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=68913a018f6082f8f90abb8ff9114435ef45dff7;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git netfilter: ipvs: do not create conn for ABORT packet in sctp_conn_schedule There's no reason for ipvs to create a conn for an ABORT packet even if sysctl_sloppy_sctp is set. This patch is to accept it without creating a conn, just as ipvs does for tcp's RST packet. Signed-off-by: Xin Long Signed-off-by: Simon Horman Signed-off-by: Pablo Neira Ayuso --- diff --git a/net/netfilter/ipvs/ip_vs_proto_sctp.c b/net/netfilter/ipvs/ip_vs_proto_sctp.c index 81f08198b125..57c8ee66491e 100644 --- a/net/netfilter/ipvs/ip_vs_proto_sctp.c +++ b/net/netfilter/ipvs/ip_vs_proto_sctp.c @@ -25,7 +25,8 @@ sctp_conn_schedule(struct netns_ipvs *ipvs, int af, struct sk_buff *skb, sch = skb_header_pointer(skb, iph->len + sizeof(_sctph), sizeof(_schunkh), &_schunkh); if (sch) { - if (!(sysctl_sloppy_sctp(ipvs) || + if (sch->type == SCTP_CID_ABORT || + !(sysctl_sloppy_sctp(ipvs) || sch->type == SCTP_CID_INIT)) return 1; ports = &sh->source;