Re: [PATCH] phy: qcom: qmp-usbc: Fix out-of-bounds array access in dp swing config

[Dmitry Baryshkov]

On Fri, Feb 27, 2026 at 08:15:01PM +0800, Xiangxu Yin via B4 Relay wrote:
> From: Xiangxu Yin <xiangxu.yin@xxxxxxxxxxxxxxxx>
> 
> swing_tbl and pre_emphasis_tbl are 4x4 arrays (valid indices 0-3), but
> the boundary check uses "> 4" instead of ">= 4", allowing index 4 to
> cause an out-of-bounds access.
> 
> Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
> Fixes: 81791c45c8e0 ("phy: qcom: qmp-usbc: Add QCS615 USB/DP PHY config and DP mode support")
> Signed-off-by: Xiangxu Yin <xiangxu.yin@xxxxxxxxxxxxxxxx>
> ---
>  drivers/phy/qualcomm/phy-qcom-qmp-usbc.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxxxxxxxx>


-- 
With best wishes
Dmitry