linux-kernel - Re: [PATCH] drm: sti: fix device leaks at component probe

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: Windows password security audit tool. GUI, reports in PDF.

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

Message-ID: <aP91I9j-OV4j3A49@hovoldconsulting.com>
Date: Mon, 27 Oct 2025 14:35:31 +0100
From: Johan Hovold <johan@...nel.org>
To: Alain Volmat <alain.volmat@...s.st.com>,
	Raphael Gallais-Pou <rgallaispou@...il.com>
Cc: 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>,
	dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
	stable@...r.kernel.org,
	Benjamin Gaignard <benjamin.gaignard@...labora.com>
Subject: Re: [PATCH] drm: sti: fix device leaks at component probe

On Mon, Sep 22, 2025 at 02:20:12PM +0200, Johan Hovold wrote:
> Make sure to drop the references taken to the vtg devices by
> of_find_device_by_node() when looking up their driver data during
> component probe.
> 
> Note that holding a reference to a platform device does not prevent its
> driver data from going away so there is no point in keeping the
> reference after the lookup helper returns.
> 
> Fixes: cc6b741c6f63 ("drm: sti: remove useless fields from vtg structure")
> Cc: stable@...r.kernel.org	# 4.16
> Cc: Benjamin Gaignard <benjamin.gaignard@...labora.com>
> Signed-off-by: Johan Hovold <johan@...nel.org>

Can this one be picked up for 6.19?

Johan