tcp: fix sack block validation on wrap

[vpp.git] / src / vnet / tcp / tcp_sack.c

diff --git a/src/vnet/tcp/tcp_sack.c b/src/vnet/tcp/tcp_sack.c
index 589c7f3..b9e1166 100644 (file)
--- a/src/vnet/tcp/tcp_sack.c
+++ b/src/vnet/tcp/tcp_sack.c
@@ -326,7 +326,9 @@ tcp_rcv_sacks (tcp_connection_t * tc, u32 ack)
     {
       if (seq_lt (blk->start, blk->end)
          && seq_gt (blk->start, tc->snd_una)
-         && seq_gt (blk->start, ack) && seq_leq (blk->end, tc->snd_nxt))
+         && seq_gt (blk->start, ack)
+         && seq_lt (blk->start, tc->snd_nxt)
+         && seq_leq (blk->end, tc->snd_nxt))
        {
          blk++;
          continue;