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From: Raslan Darawsheh <rasland@mellanox.com>
To: Michael Baum <michaelba@mellanox.com>, "dev@dpdk.org" <dev@dpdk.org>
Cc: Matan Azrad <matan@mellanox.com>,
	Slava Ovsiienko <viacheslavo@mellanox.com>,
	"stable@dpdk.org" <stable@dpdk.org>
Subject: Re: [dpdk-stable] [dpdk-dev] [PATCH] net/mlx5: fix unlimited scan in switch info	detection
Date: Wed, 22 Jul 2020 15:30:50 +0000
Message-ID: <AM0PR05MB6707D37B4B62AED9B547321EC2790@AM0PR05MB6707.eurprd05.prod.outlook.com> (raw)
In-Reply-To: <1595332952-7035-1-git-send-email-michaelba@mellanox.com>

Hi,

> -----Original Message-----
> From: dev <dev-bounces@dpdk.org> On Behalf Of Michael Baum
> Sent: Tuesday, July 21, 2020 3:03 PM
> To: dev@dpdk.org
> Cc: Matan Azrad <matan@mellanox.com>; Slava Ovsiienko
> <viacheslavo@mellanox.com>; stable@dpdk.org
> Subject: [dpdk-dev] [PATCH] net/mlx5: fix unlimited scan in switch info
> detection
> 
> In mlx5_sysfs_switch_info function, the driver gets switch information
> associated with network interface.
> 
> The driver writes the port name into buffer and translates it.
> However, when it writes the name, it does not limit writing to the
> buffer size.
> 
> Limit writing to the size of the buffer.
> 
> Fixes: 1256805dd54d ("net/mlx5: move Linux-specific functions")
> Cc: stable@dpdk.org
> 
> Signed-off-by: Michael Baum <michaelba@mellanox.com>
> Acked-by: Matan Azrad <matan@mellanox.com>
> ---
>  drivers/net/mlx5/linux/mlx5_ethdev_os.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/net/mlx5/linux/mlx5_ethdev_os.c
> b/drivers/net/mlx5/linux/mlx5_ethdev_os.c
> index 1735157..3d3dd2e 100644
> --- a/drivers/net/mlx5/linux/mlx5_ethdev_os.c
> +++ b/drivers/net/mlx5/linux/mlx5_ethdev_os.c
> @@ -1067,7 +1067,7 @@ struct ethtool_link_settings {
> 
>  	file = fopen(phys_port_name, "rb");
>  	if (file != NULL) {
> -		ret = fscanf(file, "%s", port_name);
> +		ret = fscanf(file, "%" RTE_STR(IF_NAMESIZE) "s",
> port_name);
>  		fclose(file);
>  		if (ret == 1)
>  			mlx5_translate_port_name(port_name, &data);
> --
> 1.8.3.1

Patch applied to next-net-mlx,

Kindest regards,
Raslan Darawsheh

      reply	other threads:[~2020-07-22 15:31 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-21 12:02 [dpdk-stable] " Michael Baum
2020-07-22 15:30 ` Raslan Darawsheh [this message]

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