[ Upstream commit e787f19373b8a5fa24087800ed78314fd17b984a ]

strncpy() does not ensure NULL-termination when the input string size
equals to the destination buffer size IFNAMSIZ. The output string is
passed to dev_info() which relies on the NULL-termination.

Use strlcpy() instead.

This issue is identified by a Coccinelle script.

Signed-off-by: Wang Xiayang <xywang.s...@sjtu.edu.cn>
Signed-off-by: Marc Kleine-Budde <m...@pengutronix.de>
Signed-off-by: Sasha Levin <sas...@kernel.org>
---
 drivers/net/can/usb/peak_usb/pcan_usb_core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/can/usb/peak_usb/pcan_usb_core.c 
b/drivers/net/can/usb/peak_usb/pcan_usb_core.c
index 740ef47eab017..43b0fa2b99322 100644
--- a/drivers/net/can/usb/peak_usb/pcan_usb_core.c
+++ b/drivers/net/can/usb/peak_usb/pcan_usb_core.c
@@ -863,7 +863,7 @@ static void peak_usb_disconnect(struct usb_interface *intf)
 
                dev_prev_siblings = dev->prev_siblings;
                dev->state &= ~PCAN_USB_STATE_CONNECTED;
-               strncpy(name, netdev->name, IFNAMSIZ);
+               strlcpy(name, netdev->name, IFNAMSIZ);
 
                unregister_netdev(netdev);
 
-- 
2.20.1



Reply via email to