summaryrefslogtreecommitdiff
path: root/sys/net/pf.c
diff options
context:
space:
mode:
Diffstat (limited to 'sys/net/pf.c')
-rw-r--r--sys/net/pf.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/sys/net/pf.c b/sys/net/pf.c
index 494f844aa14..799463d302a 100644
--- a/sys/net/pf.c
+++ b/sys/net/pf.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: pf.c,v 1.834 2013/06/05 00:56:35 henning Exp $ */
+/* $OpenBSD: pf.c,v 1.835 2013/06/17 19:50:06 bluhm Exp $ */
/*
* Copyright (c) 2001 Daniel Hartmeier
@@ -2457,8 +2457,8 @@ pf_modulate_sack(struct pf_pdesc *pd, struct pf_state_peer *dst)
struct sackblk sack;
#define TCPOLEN_SACKLEN (TCPOLEN_SACK + 2)
- if (hlen < TCPOLEN_SACKLEN || !pf_pull_hdr(pd->m, pd->off + sizeof(*th),
- opts, hlen, NULL, NULL, pd->af))
+ if (hlen < TCPOLEN_SACKLEN || hlen > MAX_TCPOPTLEN || !pf_pull_hdr(
+ pd->m, pd->off + sizeof(*th), opts, hlen, NULL, NULL, pd->af))
return 0;
while (hlen >= TCPOLEN_SACKLEN) {