diff options
| -rw-r--r-- | sys/netinet/tcp_sack.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/netinet/tcp_sack.c b/sys/netinet/tcp_sack.c index aa096fa..2d0a2c1 100644 --- a/sys/netinet/tcp_sack.c +++ b/sys/netinet/tcp_sack.c @@ -392,6 +392,8 @@ tcp_sack_doack(struct tcpcb *tp, struct tcpopt *to, tcp_seq th_ack) if (SEQ_GT(sack.end, sack.start) && SEQ_GT(sack.start, tp->snd_una) && SEQ_GT(sack.start, th_ack) && + SEQ_LT(sack.start, tp->snd_max) && + SEQ_GT(sack.end, tp->snd_una) && SEQ_LEQ(sack.end, tp->snd_max)) sack_blocks[num_sack_blks++] = sack; } |
