diff options
Diffstat (limited to 'net/sctp/input.c')
| -rw-r--r-- | net/sctp/input.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/net/sctp/input.c b/net/sctp/input.c index 47e56017f4ce..f9a0c9276e3b 100644 --- a/net/sctp/input.c +++ b/net/sctp/input.c @@ -622,6 +622,14 @@ static int sctp_rcv_ootb(struct sk_buff *skb) if (SCTP_CID_SHUTDOWN_COMPLETE == ch->type) goto discard; + /* RFC 4460, 2.11.2 + * This will discard packets with INIT chunk bundled as + * subsequent chunks in the packet. When INIT is first, + * the normal INIT processing will discard the chunk. + */ + if (SCTP_CID_INIT == ch->type && (void *)ch != skb->data) + goto discard; + /* RFC 8.4, 7) If the packet contains a "Stale cookie" ERROR * or a COOKIE ACK the SCTP Packet should be silently * discarded. |