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Message-ID: <4a4b24fc85d28f08a9e2f6c84a72f4fa@kernel.org>
Date: Mon, 08 Jan 2024 08:43:05 +0000
From: "Maxime Ripard" <mripard@kernel.org>
To: =?utf-8?b?TWHDrXJhIENhbmFs?= <mcanal@igalia.com>
Subject: Re: [PATCH] drm/vc4: don't check if plane->state->fb == state->fb
In-Reply-To: <20240105175908.242000-1-mcanal@igalia.com>
References: <20240105175908.242000-1-mcanal@igalia.com>
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Cc: kernel-dev@igalia.com, Dom Cobley <dom@raspberrypi.com>, Dave
 Stevenson <dave.stevenson@raspberrypi.com>,
 Thomas Zimmermann <tzimmermann@suse.de>, dri-devel@lists.freedesktop.org,
 Maxime Ripard <mripard@kernel.org>
Errors-To: dri-devel-bounces@lists.freedesktop.org
Sender: "dri-devel" <dri-devel-bounces@lists.freedesktop.org>

On Fri, 5 Jan 2024 14:58:36 -0300, Ma=C3=ADra Canal wrote:
> Currently, when using non-blocking commits, we can see the following
> kernel warning:
>=20
> [  110.908514] ------------[ cut here ]------------
> [  110.908529] refcount_t: underflow; use-after-free.
>=20
> [ ... ]

Acked-by: Maxime Ripard <mripard@kernel.org>

Thanks!
Maxime