[PATCH 1/1] arm: mvebu: avoid buffer overflow in hws_serdes_topology_verify

Stefan Roese sr at denx.de
Wed May 3 11:18:22 CEST 2023


On 4/18/23 02:00, Heinrich Schuchardt wrote:
> If serdes type is invalid, we cannot assume that it is a valid index
> for serdes_type_to_str[].
> 
> Fixes: edb470253346 ("arm: mvebu: Add Armada 38x SERDES / PHY init code from Marvell bin_hdr")
> Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt at canonical.com>

Applied to u-boot-marvell/master

Thanks,
Stefan

> ---
>   arch/arm/mach-mvebu/serdes/a38x/high_speed_env_spec.c | 4 ++--
>   1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/arm/mach-mvebu/serdes/a38x/high_speed_env_spec.c b/arch/arm/mach-mvebu/serdes/a38x/high_speed_env_spec.c
> index 3349f4eb54..f69da7ec0c 100644
> --- a/arch/arm/mach-mvebu/serdes/a38x/high_speed_env_spec.c
> +++ b/arch/arm/mach-mvebu/serdes/a38x/high_speed_env_spec.c
> @@ -824,8 +824,8 @@ u32 hws_serdes_topology_verify(enum serdes_type serdes_type, u32 serdes_id,
>   	enum unit_id unit_id;
>   
>   	if (serdes_type > RXAUI) {
> -		printf("%s: Warning: Wrong serdes type %s serdes#%d\n",
> -		       __func__, serdes_type_to_string[serdes_type], serdes_id);
> +		printf("%s: Warning: Wrong serdes type %d serdes#%d\n",
> +		       __func__, serdes_type, serdes_id);
>   		return MV_FAIL;
>   	}
>   

Viele Grüße,
Stefan Roese

-- 
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