[PATCH v2 01/16] sandbox: net: Ensure host name is always a valid string
Simon Glass
sjg at chromium.org
Fri May 14 03:39:17 CEST 2021
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 <sjg at chromium.org>
Reported-by: Coverity (CID: 316358)
---
Changes in v2:
- Put 'Reported-by:' after the sign-off
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 ce66ff781ff..99eb7a3bbff 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",
--
2.31.1.751.gd2f1c929bd-goog
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