linux-kernel - Re: [PATCH] drm/msm/gpu: Fix null-pointer dereference in zap_shader_load

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <124cf6d1-16b8-45e1-997c-24f176f59e20@linaro.org>
Date:   Sun, 3 Dec 2023 00:08:46 +0200
From:   Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To:     Kunwu Chan <chentao@...inos.cn>, robdclark@...il.com,
        quic_abhinavk@...cinc.com, sean@...rly.run,
        marijn.suijten@...ainline.org, airlied@...il.com, daniel@...ll.ch,
        jordan@...micpenguin.net, konrad.dybcio@...aro.org
Cc:     kunwu.chan@...mail.com, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        freedreno@...ts.freedesktop.org
Subject: Re: [PATCH] drm/msm/gpu: Fix null-pointer dereference in
 zap_shader_load_mdt

On 23/11/2023 05:33, Kunwu Chan wrote:
> kasprintf() returns a pointer to dynamically allocated memory
> which can be NULL upon failure. Ensure the allocation was successful
> by checking the pointer validity.
> 
> Fixes: a9e2559c931d ("drm/msm/gpu: Move zap shader loading to adreno")
> Signed-off-by: Kunwu Chan <chentao@...inos.cn>
> ---
>   drivers/gpu/drm/msm/adreno/adreno_gpu.c | 4 ++++
>   1 file changed, 4 insertions(+)

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

-- 
With best wishes
Dmitry