linux-kernel - Re: [PATCH 3/3] soc: qcom: mdt_loader: Fix check mdt_header

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Message-ID: <wqfapilh4mydzkabt6rvkuwtjoii6wtfhm4jzo7h55cie6ivbo@ytt4xo5l7cwf>
Date: Tue, 5 Aug 2025 08:00:31 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Mukesh Ojha <mukesh.ojha@....qualcomm.com>
Cc: Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>,
        Vikash Garodia <quic_vgarodia@...cinc.com>,
        Dikshita Agarwal <quic_dikshita@...cinc.com>,
        Bryan O'Donoghue <bryan.odonoghue@...aro.org>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Jeff Johnson <jjohnson@...nel.org>,
        Mathieu Poirier <mathieu.poirier@...aro.org>,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-media@...r.kernel.org, linux-wireless@...r.kernel.org,
        ath12k@...ts.infradead.org, linux-remoteproc@...r.kernel.org,
        Bjorn Andersson <bjorn.andersson@....qualcomm.com>
Subject: Re: [PATCH 3/3] soc: qcom: mdt_loader: Fix check mdt_header_valid()

On Mon, Aug 04, 2025 at 06:11:51PM +0530, Mukesh Ojha wrote:
> Firmware binaries may lack section headers, in which case
> the e_shentsize field in the ELF header can be zero.
> 
> Update mdt_header_valid() to correctly handle this scenario
> by adjusting the validation logic accordingly.
> 
> Fixes: 9f9967fed9d0 ("soc: qcom: mdt_loader: Ensure we don't read past the ELF header")
> Signed-off-by: Mukesh Ojha <mukesh.ojha@....qualcomm.com>
> ---
>  drivers/soc/qcom/mdt_loader.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 

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


-- 
With best wishes
Dmitry