Re: BUG: KASAN: use-after-free in intel_hdmi_destroy+0x79/0x80

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On Fri, 22 Feb 2019, Randy Dunlap <rdunlap@xxxxxxxxxxxxx> wrote:
> This is 5.0-rc7 on an old Toshiba Portege laptop.
> No hdmi or other external video.
>
> Linux dragon.dunlab 5.0.0-rc7mod #3 SMP PREEMPT Wed Feb 20 00:05:17 PST 2019 x86_64 x86_64 x86_64 GNU/Linux
>
> on openSUSE LEAP 15.0 distro.
>
> Full boot log is attached.

On a hunch, caused by 9c229127aee2 ("drm/i915: hdmi: add CEC notifier to
intel_hdmi") referencing the encoder in connector destroy hook. We
should probably move the cec_notifier_put() call in the encoder destroy
hook.

BR,
Jani.




-- 
Jani Nikula, Intel Open Source Graphics Center
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