diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c index 0c5aff3bb539..8e2f7487798c 100644 --- a/net/sctp/sm_make_chunk.c +++ b/net/sctp/sm_make_chunk.c @@ -2155,9 +2155,16 @@ static sctp_ierror_t sctp_verify_param(struct net *net, break; case SCTP_PARAM_SET_PRIMARY: - if (net->sctp.addip_enable) - break; - goto fallthrough; + if (!net->sctp.addip_enable) + goto fallthrough; + + if (ntohs(param.p->length) < sizeof(struct sctp_addip_param) + + sizeof(struct sctp_paramhdr)) { + sctp_process_inv_paramlength(asoc, param.p, + chunk, err_chunk); + retval = SCTP_IERROR_ABORT; + } + break; case SCTP_PARAM_HOST_NAME_ADDRESS: /* Tell the peer, we won't support this param. */