From: Alexander Mikhalitsyn <aleksandr.mikhalitsyn@canonical.com>
Date: Tue, 29 Jul 2025 10:39:34 +0000 (+0200)
Subject: lxc/network: null-terminate ifname string in lxc_network_recv_name_and_ifindex_from_c... 
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5db329a4b925961f4e078018bd69b57e2294abed;p=thirdparty%2Flxc.git

lxc/network: null-terminate ifname string in lxc_network_recv_name_and_ifindex_from_child()

Fixes: Coverity 1486538
Signed-off-by: Alexander Mikhalitsyn <aleksandr.mikhalitsyn@canonical.com>
---

diff --git a/src/lxc/network.c b/src/lxc/network.c
index f7d66eed2..79fa21d9d 100644
--- a/src/lxc/network.c
+++ b/src/lxc/network.c
@@ -4183,6 +4183,7 @@ int lxc_network_recv_name_and_ifindex_from_child(struct lxc_handler *handler)
 		ret = lxc_recv_nointr(data_sock, netdev->name, IFNAMSIZ, 0);
 		if (ret < 0)
 			return -1;
+		netdev->name[IFNAMSIZ-1] = '\0';
 
 		/* Receive network device ifindex in the child's namespace to
 		 * parent.