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-rw-r--r--net/sctp/input.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/sctp/input.c b/net/sctp/input.c
index f72bff93745c..96dea8097dbe 100644
--- a/net/sctp/input.c
+++ b/net/sctp/input.c
@@ -1168,6 +1168,9 @@ static struct sctp_association *__sctp_rcv_asconf_lookup(
union sctp_addr_param *param;
union sctp_addr paddr;
+ if (ntohs(ch->length) < sizeof(*asconf) + sizeof(struct sctp_paramhdr))
+ return NULL;
+
/* Skip over the ADDIP header and find the Address parameter */
param = (union sctp_addr_param *)(asconf + 1);