diff options
Diffstat (limited to 'sys/netinet/tcp_input.c')
| -rw-r--r-- | sys/netinet/tcp_input.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/sys/netinet/tcp_input.c b/sys/netinet/tcp_input.c index 0244e2907ab..1726d653da0 100644 --- a/sys/netinet/tcp_input.c +++ b/sys/netinet/tcp_input.c @@ -1,4 +1,4 @@ -/* $OpenBSD: tcp_input.c,v 1.359 2018/09/17 14:07:48 friehm Exp $ */ +/* $OpenBSD: tcp_input.c,v 1.360 2019/07/10 18:45:31 bluhm Exp $ */ /* $NetBSD: tcp_input.c,v 1.23 1996/02/13 23:43:44 christos Exp $ */ /* @@ -2492,6 +2492,8 @@ tcp_sack_option(struct tcpcb *tp, struct tcphdr *th, u_char *cp, int optlen) * ACKs some data in middle of a hole; need to * split current hole */ + if (tp->snd_numholes >= TCP_SACKHOLE_LIMIT) + goto done; temp = (struct sackhole *) pool_get(&sackhl_pool, PR_NOWAIT); if (temp == NULL) @@ -2519,6 +2521,8 @@ tcp_sack_option(struct tcpcb *tp, struct tcphdr *th, u_char *cp, int optlen) * Need to append new hole at end. * Last hole is p (and it's not NULL). */ + if (tp->snd_numholes >= TCP_SACKHOLE_LIMIT) + goto done; temp = (struct sackhole *) pool_get(&sackhl_pool, PR_NOWAIT); if (temp == NULL) |