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Message-ID: <8708c8beff5669e772a8d2e0dd76c9e3.mripard@kernel.org>
Date:   Thu, 07 Sep 2023 14:50:36 +0000
From:   "Maxime Ripard" <mripard@kernel.org>
To:     =?utf-8?b?VGhvbWFzIEhlbGxzdHLDtm0=?= 
        <thomas.hellstrom@linux.intel.com>
Subject: Re: [PATCH v3 1/2] drm/tests: helpers: Avoid a driver uaf
In-Reply-To: <20230907135339.7971-2-thomas.hellstrom@linux.intel.com>
References: <20230907135339.7971-2-thomas.hellstrom@linux.intel.com>
Cc:     dri-devel@lists.freedesktop.org, intel-xe@lists.freedesktop.org,
        stable@vger.kernel.org, "Daniel Vetter" <daniel@ffwll.ch>,
        "David Airlie" <airlied@gmail.com>,
        "Maarten Lankhorst" <maarten.lankhorst@linux.intel.com>,
        "Maxime Ripard" <mripard@kernel.org>,
        "Thomas Zimmermann" <tzimmermann@suse.de>
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On Thu, 7 Sep 2023 15:53:38 +0200, Thomas Hellstr=C3=B6m wrote:
> when using __drm_kunit_helper_alloc_drm_device() the driver may be
> dereferenced by device-managed resources up until the device is
> freed, which is typically later than the kunit-managed resource code
> frees it. Fix this by simply make the driver device-managed as well.
>=20
>=20
> [ ... ]

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

Thanks!
Maxime