From: Wang Xiayang xywang.sjtu@sjtu.edu.cn
[ Upstream commit cd28aa2e056cd1ea79fc5f24eed0ce868c6cab5c ]
strncpy() does not ensure NULL-termination when the input string size equals to the destination buffer size IFNAMSIZ. The output string 'name' is passed to dev_info which relies on NULL-termination.
Use strlcpy() instead.
This issue is identified by a Coccinelle script.
Signed-off-by: Wang Xiayang xywang.sjtu@sjtu.edu.cn Signed-off-by: Marc Kleine-Budde mkl@pengutronix.de Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/can/sja1000/peak_pcmcia.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/can/sja1000/peak_pcmcia.c b/drivers/net/can/sja1000/peak_pcmcia.c index b8c39ede7cd51..179bfcd541f2f 100644 --- a/drivers/net/can/sja1000/peak_pcmcia.c +++ b/drivers/net/can/sja1000/peak_pcmcia.c @@ -487,7 +487,7 @@ static void pcan_free_channels(struct pcan_pccard *card) if (!netdev) continue;
- strncpy(name, netdev->name, IFNAMSIZ); + strlcpy(name, netdev->name, IFNAMSIZ);
unregister_sja1000dev(netdev);