From: YueHaibing <yuehaibing@huawei.com>
To: <simon@thekelleys.org.uk>, <kvalo@codeaurora.org>
Cc: <linux-kernel@vger.kernel.org>, <netdev@vger.kernel.org>,
<linux-wireless@vger.kernel.org>, <davem@davemloft.net>,
YueHaibing <yuehaibing@huawei.com>
Subject: [PATCH] atmel: using strlcpy() to avoid possible buffer overflows
Date: Fri, 29 Jun 2018 10:51:35 +0800 [thread overview]
Message-ID: <20180629025135.12236-1-yuehaibing@huawei.com> (raw)
'firmware' is a module param which may been longer than firmware_id,
so using strlcpy() to guard against overflows
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
---
drivers/net/wireless/atmel/atmel.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/wireless/atmel/atmel.c b/drivers/net/wireless/atmel/atmel.c
index b01dc34..604d5ac 100644
--- a/drivers/net/wireless/atmel/atmel.c
+++ b/drivers/net/wireless/atmel/atmel.c
@@ -1519,7 +1519,7 @@ struct net_device *init_atmel_card(unsigned short irq, unsigned long port,
priv->firmware_id[0] = '\0';
priv->firmware_type = fw_type;
if (firmware) /* module parameter */
- strcpy(priv->firmware_id, firmware);
+ strlcpy(priv->firmware_id, firmware, sizeof(priv->firmware_id));
priv->bus_type = card_present ? BUS_TYPE_PCCARD : BUS_TYPE_PCI;
priv->station_state = STATION_STATE_DOWN;
priv->do_rx_crc = 0;
--
2.7.0
next reply other threads:[~2018-06-29 2:51 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-29 2:51 YueHaibing [this message]
2018-06-29 21:47 ` [PATCH] atmel: using strlcpy() to avoid possible buffer overflows Andy Shevchenko
2018-06-29 21:51 ` Andy Shevchenko
2018-06-30 6:30 ` YueHaibing
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