From ed6ade043ddf5406821432935de74f007d1f73b9 Mon Sep 17 00:00:00 2001 From: Michael Tuexen <tuexen@fh-muenster.de> Date: Sun, 8 Oct 2017 14:02:15 +0200 Subject: [PATCH] Fix CID 187175. --- gtests/net/packetdrill/netdev.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/gtests/net/packetdrill/netdev.c b/gtests/net/packetdrill/netdev.c index 39c21441..6dc334d8 100644 --- a/gtests/net/packetdrill/netdev.c +++ b/gtests/net/packetdrill/netdev.c @@ -274,7 +274,10 @@ static void bring_up_device(struct local_netdev *netdev) assert(strlen(netdev->name) < IFNAMSIZ); memset(&ifr, 0, sizeof(ifr)); - strncpy(ifr.ifr_name, netdev->name, IFNAMSIZ); + if (strlen(netdev->name) < IFNAMSIZ) + strcpy(ifr.ifr_name, netdev->name); + else + die("interface name %s too long.\n", netdev->name); if (ioctl(netdev->ipv4_control_fd, SIOCGIFFLAGS, &ifr) < 0) die_perror("SIOCGIFFLAGS"); ifr.ifr_flags |= IFF_UP | IFF_RUNNING; -- GitLab