linux-kernel - Re: [PATCH v2] drm: Fix potential null pointer dereference issues in drm

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Message-ID: <lkpoiqz6crzief6exijz4khb5liptodcoo75hkvc6dqzacn2i3@uz2rekanykf4>
Date: Mon, 4 Aug 2025 07:59:21 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Haoxiang Li <haoxiang_li2024@....com>
Cc: maarten.lankhorst@...ux.intel.com, mripard@...nel.org, tzimmermann@...e.de,
        airlied@...il.com, simona@...ll.ch, sam@...nborg.org,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        stable@...r.kernel.org
Subject: Re: [PATCH v2] drm: Fix potential null pointer dereference issues in
 drm_managed.c

On Mon, Aug 04, 2025 at 10:20:21AM +0800, Haoxiang Li wrote:
> Add check for the return value of kstrdup_const() in drm_managed.c
> to prevent potential null pointer dereference.
> 
> Fixes: c6603c740e0e ("drm: add managed resources tied to drm_device")
> Cc: stable@...r.kernel.org
> Signed-off-by: Haoxiang Li <haoxiang_li2024@....com>
> ---
> Changes in v2:
> - Modify a fix error. Thanks, Dmitry!
> ---
>  drivers/gpu/drm/drm_managed.c | 9 +++++++++
>  1 file changed, 9 insertions(+)
> 

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


-- 
With best wishes
Dmitry