testing

1 files changed, 2 insertions, 0 deletions

diff --git a/src/firejail/network.c b/src/firejail/network.c
index 5469bbcd1..461946d83 100644
--- a/src/firejail/network.c
+++ b/src/firejail/network.c
@@ -106,6 +106,7 @@ int net_get_mtu(const char *ifname) {
         if ((s = socket(AF_INET, SOCK_DGRAM, 0)) < 0)
                 errExit("socket");
 
+        memset(&ifr, 0, sizeof(ifr));
         ifr.ifr_addr.sa_family = AF_INET;
         strncpy(ifr.ifr_name, ifname, IFNAMSIZ);
         if (ioctl(s, SIOCGIFMTU, (caddr_t)&ifr) == 0)
@@ -133,6 +134,7 @@ void net_set_mtu(const char *ifname, int mtu) {
         if ((s = socket(AF_INET, SOCK_DGRAM, 0)) < 0)
                 errExit("socket");
 
+        memset(&ifr, 0, sizeof(ifr));
         ifr.ifr_addr.sa_family = AF_INET;
         strncpy(ifr.ifr_name, ifname, IFNAMSIZ);
         ifr.ifr_mtu = mtu;