asconf chunks should be dropped when the asoc doesn't support asconf feature. Signed-off-by: Xin Long <lucien.xin@xxxxxxxxx> --- net/sctp/sm_statefuns.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c index 2c244b2..0c21c52 100644 --- a/net/sctp/sm_statefuns.c +++ b/net/sctp/sm_statefuns.c @@ -3721,7 +3721,8 @@ enum sctp_disposition sctp_sf_do_asconf(struct net *net, * is received unauthenticated it MUST be silently discarded as * described in [I-D.ietf-tsvwg-sctp-auth]. */ - if (!net->sctp.addip_noauth && !chunk->auth) + if (!asoc->peer.asconf_capable || + (!net->sctp.addip_noauth && !chunk->auth)) return sctp_sf_discard_chunk(net, ep, asoc, type, arg, commands); @@ -3863,7 +3864,8 @@ enum sctp_disposition sctp_sf_do_asconf_ack(struct net *net, * is received unauthenticated it MUST be silently discarded as * described in [I-D.ietf-tsvwg-sctp-auth]. */ - if (!net->sctp.addip_noauth && !asconf_ack->auth) + if (!asoc->peer.asconf_capable || + (!net->sctp.addip_noauth && !asconf_ack->auth)) return sctp_sf_discard_chunk(net, ep, asoc, type, arg, commands); -- 2.1.0
