Re: [PATCH v10 02/69] drm/connector: hdmi: Handle reset() state allocation failure

"Maxime Ripard" <[email protected]> Thu, 13 Aug 2026 13:45:05 +0000

Newsgroups	dev.linux.lists.linux-sunxi,org.freedesktop.lists.dri-devel,org.infradead.lists.linux-arm-kernel,org.infradead.lists.linux-rockchip,org.kernel.vger.linux-kernel
Message-ID	<[email protected]>

On Fri, 31 Jul 2026 19:19:09 +0300, Cristian Ciocaltea wrote:
> In drmm_connector_hdmi_init(), if the reset callback fails to allocate
> memory, e.g. inside drm_atomic_helper_connector_reset(),
> connector->state will remain NULL.  This is unconditionally passed to
> drm_connector_attach_max_bpc_property(), leading to a NULL pointer
> dereference.
> 
> [ ... ]

Reviewed-by: Maxime Ripard <[email protected]>

Thanks!
Maxime