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path: root/net/sctp/sm_make_chunk.c
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Diffstat (limited to 'net/sctp/sm_make_chunk.c')
-rw-r--r--net/sctp/sm_make_chunk.c16
1 files changed, 15 insertions, 1 deletions
diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c
index 81b606424e1..bbc7107c86c 100644
--- a/net/sctp/sm_make_chunk.c
+++ b/net/sctp/sm_make_chunk.c
@@ -2418,7 +2418,8 @@ static int sctp_process_param(struct sctp_association *asoc,
break;
case SCTP_PARAM_IPV6_ADDRESS:
- asoc->peer.ipv6_address = 1;
+ if (PF_INET6 == asoc->base.sk->sk_family)
+ asoc->peer.ipv6_address = 1;
break;
case SCTP_PARAM_HOST_NAME_ADDRESS:
@@ -2829,6 +2830,19 @@ static __be16 sctp_process_asconf_param(struct sctp_association *asoc,
addr_param = (union sctp_addr_param *)
((void *)asconf_param + sizeof(sctp_addip_param_t));
+ switch (addr_param->v4.param_hdr.type) {
+ case SCTP_PARAM_IPV6_ADDRESS:
+ if (!asoc->peer.ipv6_address)
+ return SCTP_ERROR_INV_PARAM;
+ break;
+ case SCTP_PARAM_IPV4_ADDRESS:
+ if (!asoc->peer.ipv4_address)
+ return SCTP_ERROR_INV_PARAM;
+ break;
+ default:
+ return SCTP_ERROR_INV_PARAM;
+ }
+
af = sctp_get_af_specific(param_type2af(addr_param->v4.param_hdr.type));
if (unlikely(!af))
return SCTP_ERROR_INV_PARAM;