From 9d9bec216d4207b3f3336eda2ca2ba73698574cb Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Thu, 13 May 2021 19:39:17 -0600 Subject: [PATCH] sandbox: net: Ensure host name is always a valid string At present if ifname is exactly IFNAMSIZ characters then it will result in an unterminated string. Fix this by using strlcpy() instead. Signed-off-by: Simon Glass Reported-by: Coverity (CID: 316358) Acked-by: Ramon Fried --- drivers/net/sandbox-raw.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/sandbox-raw.c b/drivers/net/sandbox-raw.c index ce66ff781f..99eb7a3bbf 100644 --- a/drivers/net/sandbox-raw.c +++ b/drivers/net/sandbox-raw.c @@ -161,7 +161,7 @@ static int sb_eth_raw_of_to_plat(struct udevice *dev) ifname = dev_read_string(dev, "host-raw-interface"); if (ifname) { - strncpy(priv->host_ifname, ifname, IFNAMSIZ); + strlcpy(priv->host_ifname, ifname, IFNAMSIZ); printf(": Using %s from DT\n", priv->host_ifname); } if (dev_read_u32(dev, "host-raw-interface-idx", -- 2.39.5