linux-kernel - Re: [PATCH 0/6] Rockchip DRM use-after-free & null-ptr-deref fixes

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 for Android: free password hash cracker in your pocket

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

Message-ID: <8bdb6ea8-9434-4fa6-87ad-4c2f2697a3e5@collabora.com>
Date: Sat, 24 Jan 2026 01:18:08 +0200
From: Cristian Ciocaltea <cristian.ciocaltea@...labora.com>
To: Chaoyi Chen <chaoyi.chen@...k-chips.com>
Cc: Sandy Huang <hjc@...k-chips.com>, Heiko Stübner
 <heiko@...ech.de>, Andy Yan <andy.yan@...k-chips.com>,
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>,
 David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
 Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>,
 Dmitry Baryshkov <lumag@...nel.org>, kernel@...labora.com,
 dri-devel@...ts.freedesktop.org, linux-arm-kernel@...ts.infradead.org,
 linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/6] Rockchip DRM use-after-free & null-ptr-deref fixes

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