From: Raphael Gallais-Pou <raphael.gallais-pou@foss.st.com>
To: Katya Orlova <e.orlova@ispras.ru>
Cc: Yannick Fertre <yannick.fertre@foss.st.com>,
Philippe Cornu <philippe.cornu@foss.st.com>,
David Airlie <airlied@gmail.com>, Daniel Vetter <daniel@ffwll.ch>,
Maxime Coquelin <mcoquelin.stm32@gmail.com>,
Alexandre Torgue <alexandre.torgue@foss.st.com>,
Philipp Zabel <p.zabel@pengutronix.de>,
<dri-devel@lists.freedesktop.org>,
<linux-stm32@st-md-mailman.stormreply.com>,
<linux-arm-kernel@lists.infradead.org>,
<linux-kernel@vger.kernel.org>, <lvc-project@linuxtesting.org>
Subject: Re: [PATCH v4] drm/stm: Avoid use-after-free issues with crtc and plane
Date: Mon, 26 Feb 2024 14:50:44 +0100 [thread overview]
Message-ID: <0b91cb58-b9ca-4c67-b15a-77c60bc2ee18@foss.st.com> (raw)
In-Reply-To: <20240216125040.8968-1-e.orlova@ispras.ru>
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@ispras.ru>
Hi Katya,
Thanks for this submission.
Acked-by: Raphaël Gallais-Pou <raphael.gallais-pou@foss.st.com>
Regards,
Raphaël
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next prev parent reply other threads:[~2024-02-26 13:52 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-20 10:29 [PATCH] drm/stm: Avoid use-after-free issues with crtc and plane Katya Orlova
2023-10-23 8:19 ` Raphael Gallais-Pou
2023-11-24 10:04 ` [PATCH v2] " Katya Orlova
2024-01-05 9:21 ` Raphael Gallais-Pou
2024-01-22 11:11 ` [PATCH v3] " Katya Orlova
2024-02-16 12:50 ` [PATCH v4] " Katya Orlova
2024-02-26 13:50 ` Raphael Gallais-Pou [this message]
[not found] ` <ef635048bc7b4521be09ca06c66b57a5@foss.st.com>
2024-06-21 13:32 ` TR: " Yannick FERTRE
2024-07-15 9:12 ` Raphael Gallais-Pou
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