When an endpoint receives HEARTBEAT that parameter value is invalid, send an ABORT to peer with a Protocol Violation error code. Signed-off-by: Shan Wei <shanwei@xxxxxxxxxxxxxx> --- net/sctp/sm_statefuns.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c index 3d3e36b..32e75ea 100644 --- a/net/sctp/sm_statefuns.c +++ b/net/sctp/sm_statefuns.c @@ -1067,6 +1067,10 @@ sctp_disposition_t sctp_sf_beat_8_3(const struct sctp_endpoint *ep, */ chunk->subh.hb_hdr = (sctp_heartbeathdr_t *) chunk->skb->data; paylen = ntohs(chunk->chunk_hdr->length) - sizeof(sctp_chunkhdr_t); + + if (ntohs(chunk->subh.hb_hdr->info.length) != paylen) + sctp_sf_violation_paramvalue(ep, asoc, type, arg, + commands); if (!pskb_pull(chunk->skb, paylen)) goto nomem; -- 1.6.3.3 -- To unsubscribe from this list: send the line "unsubscribe linux-sctp" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
