TR: [PATCH v4] drm/stm: Avoid use-after-free issues with crtc and plane

[Yannick FERTRE]

Hi Katya,

thanks for the patch.

Tested-by: Yannick Fertre <yannick.fertre at foss.st.com>

BR

Le 19/03/2024 à 14:47, Philippe CORNU - foss a écrit :
> zut, déjà un acked-by de RGA...
> tu confirmes que je prends?
> Philippe
> ________________________________________
> De : Raphael GALLAIS-POU - foss
> Envoyé : lundi 26 février 2024 14:50
> À : Katya Orlova
> Cc : Yannick FERTRE - foss; Philippe CORNU - foss; David Airlie; Daniel Vetter; Maxime Coquelin; Alexandre TORGUE - foss; Philipp Zabel; dri-devel at lists.freedesktop.org; linux-stm32 at st-md-mailman.stormreply.com; linux-arm-kernel at lists.infradead.org; linux-kernel at vger.kernel.org; lvc-project at linuxtesting.org
> Objet : Re: [PATCH v4] drm/stm: Avoid use-after-free issues with crtc and plane
>
> On 2/16/24 13:50, Katya Orlova wrote:
>> ltdc_load() calls functions drm_crtc_init_with_planes(),
>> drm_universal_plane_init() and drm_encoder_init(). These functions
>> should not be called with parameters allocated with devm_kzalloc()
>> to avoid use-after-free issues [1].
>>
>> Use allocations managed by the DRM framework.
>>
>> Found by Linux Verification Center (linuxtesting.org).
>>
>> [1]
>> https://lore.kernel.org/lkml/u366i76e3qhh3ra5oxrtngjtm2u5lterkekcz6y2jkndhuxzli@diujon4h7qwb/
>>
>> Signed-off-by: Katya Orlova <e.orlova at ispras.ru>
> Hi Katya,
>
>
> Thanks for this submission.
>
> Acked-by: Raphaël Gallais-Pou <raphael.gallais-pou at foss.st.com>
>
>
> Regards,
> Raphaël
>