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[iproute,09/51] ipntable: Make sure filter.name is NULL-terminated

Message ID 20170812120510.28750-10-phil@nwl.cc
State Changes Requested, archived
Delegated to: stephen hemminger
Headers show

Commit Message

Phil Sutter Aug. 12, 2017, 12:04 p.m. UTC 
Signed-off-by: Phil Sutter <phil@nwl.cc>
---
 ip/ipntable.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
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Patch

diff --git a/ip/ipntable.c b/ip/ipntable.c
index 1837909fa42e7..30907146e85a3 100644
--- a/ip/ipntable.c
+++ b/ip/ipntable.c
@@ -631,7 +631,8 @@  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);