From 002d3b6beb17d917cda26be2ec2a7e3d51e58a60 Mon Sep 17 00:00:00 2001
From: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date: Sun, 22 Nov 2020 01:13:47 +0100
Subject: eth-multiplexer: Fix interface name truncation

* eth-multiplexer/vdev.c (add_vdev): Fix terminating vdev->name string.
---
 eth-multiplexer/vdev.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'eth-multiplexer/vdev.c')

diff --git a/eth-multiplexer/vdev.c b/eth-multiplexer/vdev.c
index 367623d9..c76cfbfd 100644
--- a/eth-multiplexer/vdev.c
+++ b/eth-multiplexer/vdev.c
@@ -139,7 +139,8 @@ add_vdev (char *name, size_t size)
 
   vdev->dev_port = ports_get_right (vdev);
   ports_port_deref (vdev);
-  strncpy (vdev->name, name, IFNAMSIZ);
+  strncpy (vdev->name, name, IFNAMSIZ-1);
+  vdev->name[IFNAMSIZ-1] = '\0';
   vdev->if_header_size = ETH_HLEN;
   vdev->if_mtu = ETH_MTU;
   vdev->if_header_format = HDR_ETHERNET;
-- 
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