diff options
Diffstat (limited to 'net/sctp/associola.c')
| -rw-r--r-- | net/sctp/associola.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/net/sctp/associola.c b/net/sctp/associola.c index 3bdd8dcb76a7..03158e3665da 100644 --- a/net/sctp/associola.c +++ b/net/sctp/associola.c @@ -1011,6 +1011,16 @@ static void sctp_assoc_bh_rcv(struct work_struct *work) state = asoc->state; subtype = SCTP_ST_CHUNK(chunk->chunk_hdr->type); + /* SCTP-AUTH, Section 6.3: + * The receiver has a list of chunk types which it expects + * to be received only after an AUTH-chunk. This list has + * been sent to the peer during the association setup. It + * MUST silently discard these chunks if they are not placed + * after an AUTH chunk in the packet. + */ + if (sctp_auth_recv_cid(subtype.chunk, asoc) && !chunk->auth) + continue; + /* Remember where the last DATA chunk came from so we * know where to send the SACK. */ |