summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorJan Engelhardt <jengelh@medozas.de>2008-12-30 12:03:39 +0100
committerPablo Neira Ayuso <pablo@netfilter.org>2008-12-30 12:03:39 +0100
commitc3d0a7b800277fcc4401f19a584edf1d7dfaeda9 (patch)
tree65d2d87814546c348cd68575f78b98f99927681b
parentcea9f71f5618250a38acb21c31fbbf93a752f7d4 (diff)
rateest: guard against segfault
Signed-off-by: Jan Engelhardt <jengelh@medozas.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
-rw-r--r--extensions/libxt_rateest.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/extensions/libxt_rateest.c b/extensions/libxt_rateest.c
index ebea4376..333239d9 100644
--- a/extensions/libxt_rateest.c
+++ b/extensions/libxt_rateest.c
@@ -306,6 +306,9 @@ rateest_final_check(unsigned int flags)
{
struct xt_rateest_match_info *info = rateest_info;
+ if (info == NULL)
+ exit_error(PARAMETER_PROBLEM, "rateest match: "
+ "you need to specify some flags");
if (!(info->flags & XT_RATEEST_MATCH_REL))
info->flags |= XT_RATEEST_MATCH_ABS;
}