clear all warnings from cppcheck static code analysis

obtained with: cppcheck --enable=warning --force --inconclusive --quiet ~/firejail/src

1 files changed, 1 insertions, 1 deletions

diff --git a/src/firemon/arp.c b/src/firemon/arp.c
index aac1aeba3..9f3e50e94 100644
--- a/src/firemon/arp.c
+++ b/src/firemon/arp.c
@@ -51,7 +51,7 @@ static void print_arp(const char *fname) {
                 char mac[64];
                 char mask[64];
                 char device[64];
-                int rv = sscanf(start, "%s %s %s %s %s %s\n", ip, type, flags, mac, mask, device);
+                int rv = sscanf(start, "%63s %63s %63s %63s %63s %63s\n", ip, type, flags, mac, mask, device);
                 if (rv != 6)
                         continue;