[SCTP]: Fix sctp_rcv_ootb() to handle the last chunk of a packet correctly.

[pandora-kernel.git] / net / sctp / sm_statefuns.c

diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c
index 477d7f8..71c9a96 100644 (file)
--- a/net/sctp/sm_statefuns.c
+++ b/net/sctp/sm_statefuns.c
@@ -3090,6 +3090,8 @@ sctp_disposition_t sctp_sf_ootb(const struct sctp_endpoint *ep,
                        break;
 
                ch_end = ((__u8 *)ch) + WORD_ROUND(ntohs(ch->length));
+               if (ch_end > skb->tail)
+                       break;
 
                if (SCTP_CID_SHUTDOWN_ACK == ch->type)
                        ootb_shut_ack = 1;