From: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
To: Chaoyi Chen <chaoyi.chen@rock-chips.com>
Cc: "Sandy Huang" <hjc@rock-chips.com>,
"Heiko Stübner" <heiko@sntech.de>,
"Andy Yan" <andy.yan@rock-chips.com>,
"Maarten Lankhorst" <maarten.lankhorst@linux.intel.com>,
"Maxime Ripard" <mripard@kernel.org>,
"Thomas Zimmermann" <tzimmermann@suse.de>,
"David Airlie" <airlied@gmail.com>,
"Simona Vetter" <simona@ffwll.ch>,
"Dmitry Baryshkov" <dmitry.baryshkov@oss.qualcomm.com>,
"Dmitry Baryshkov" <lumag@kernel.org>,
kernel@collabora.com, dri-devel@lists.freedesktop.org,
linux-arm-kernel@lists.infradead.org,
linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 0/6] Rockchip DRM use-after-free & null-ptr-deref fixes
Date: Sat, 24 Jan 2026 01:18:08 +0200 [thread overview]
Message-ID: <8bdb6ea8-9434-4fa6-87ad-4c2f2697a3e5@collabora.com> (raw)
In-Reply-To: <8e770288-f29b-4e72-b5a6-e3cfd77b87fb@rock-chips.com>
Hi Chaoyi,
On 1/22/26 4:27 AM, Chaoyi Chen wrote:
> Hi Cristian,
>
> On 1/22/2026 7:17 AM, Cristian Ciocaltea wrote:
>> The first three patches in the series are fixes for use-after-free &
>> null-ptr-deref related issues found in dw_dp and inno-hdmi Rockchip DRM
>> drivers.
>>
>
> Have you tried calling unbind() and bind() multiple times?
> In this case, can DRM still work properly?
Do you have any specific usecase in mind?
The tests performed so far were mostly focused on reloading the rockchipdrm
module, which is how I actually noticed those issues.
Regards,
Cristian
next prev parent reply other threads:[~2026-01-23 23:18 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-21 23:17 Cristian Ciocaltea
2026-01-21 23:17 ` [PATCH 1/6] drm/rockchip: inno-hdmi: Switch to drmm_kzalloc() Cristian Ciocaltea
2026-01-21 23:17 ` [PATCH 2/6] drm/rockchip: dw_dp: " Cristian Ciocaltea
2026-01-21 23:17 ` [PATCH 3/6] drm/rockchip: dw_dp: Fix null-ptr-deref in dw_dp_remove() Cristian Ciocaltea
2026-01-21 23:17 ` [PATCH 4/6] drm/rockchip: dw_dp: Simplify error handling Cristian Ciocaltea
2026-01-21 23:17 ` [PATCH 5/6] drm/rockchip: dw_dp: Drop unnecessary #include Cristian Ciocaltea
2026-01-21 23:17 ` [PATCH 6/6] drm/rockchip: dw_hdmi_qp: Switch to drmm_encoder_init() Cristian Ciocaltea
2026-01-22 2:27 ` [PATCH 0/6] Rockchip DRM use-after-free & null-ptr-deref fixes Chaoyi Chen
2026-01-23 23:18 ` Cristian Ciocaltea [this message]
2026-01-26 3:23 ` Chaoyi Chen
2026-01-22 15:21 ` Maxime Ripard
2026-01-23 23:21 ` Cristian Ciocaltea
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