netdev - [iproute PATCH v2 1/7] ipntable: Make sure filter.name is NULL-terminated

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Message-Id: <20170817170932.24659-2-phil@nwl.cc>
Date:   Thu, 17 Aug 2017 19:09:26 +0200
From:   Phil Sutter <phil@....cc>
To:     Stephen Hemminger <stephen@...workplumber.org>
Cc:     netdev@...r.kernel.org
Subject: [iproute PATCH v2 1/7] ipntable: Make sure filter.name is NULL-terminated

Signed-off-by: Phil Sutter <phil@....cc>
---
 ip/ipntable.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/ip/ipntable.c b/ip/ipntable.c
index 879626ee4f491..7be1f04d33d90 100644
--- a/ip/ipntable.c
+++ b/ip/ipntable.c
@@ -633,7 +633,8 @@ static int ipntable_show(int argc, char **argv)
 		} else if (strcmp(*argv, "name") == 0) {
 			NEXT_ARG();
 
-			strncpy(filter.name, *argv, sizeof(filter.name));
+			strncpy(filter.name, *argv, sizeof(filter.name) - 1);
+			filter.name[sizeof(filter.name) - 1] = '\0';
 		} else
 			invarg("unknown", *argv);
 
-- 
2.13.1