From c00524c9cc7fb498c7244350e25823b8352f078c Mon Sep 17 00:00:00 2001 From: Tom Gundersen Date: Fri, 19 Sep 2014 23:02:00 +0200 Subject: [PATCH] nspawn: don't try to create veth link with too long ifname Reported by: James Lott --- src/nspawn/nspawn.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/nspawn/nspawn.c b/src/nspawn/nspawn.c index 5af89c9b3..c22d0cb59 100644 --- a/src/nspawn/nspawn.c +++ b/src/nspawn/nspawn.c @@ -1657,7 +1657,7 @@ static int setup_veth(pid_t pid, char iface_name[IFNAMSIZ], int *ifi) { /* Use two different interface name prefixes depending whether * we are in bridge mode or not. */ - snprintf(iface_name, IFNAMSIZ, "%s-%s", + snprintf(iface_name, IFNAMSIZ - 1, "%s-%s", arg_network_bridge ? "vb" : "ve", arg_machine); r = generate_mac(&mac_container, CONTAINER_HASH_KEY); -- 2.30.2