From: Jani Nikula <jani.nikula@linux.intel.com>
To: Randy Dunlap <rdunlap@infradead.org>,
LKML <linux-kernel@vger.kernel.org>,
intel-gfx <intel-gfx@lists.freedesktop.org>
Cc: "Neil Armstrong" <narmstrong@baylibre.com>,
"Hans Verkuil" <hans.verkuil@cisco.com>,
"Ville Syrjälä" <ville.syrjala@linux.intel.com>
Subject: Re: [Intel-gfx] BUG: KASAN: use-after-free in intel_hdmi_destroy+0x79/0x80
Date: Mon, 25 Feb 2019 15:41:55 +0200 [thread overview]
Message-ID: <87y364q924.fsf@intel.com> (raw)
In-Reply-To: <dc22722f-a55c-6160-6485-a02f3bb91836@infradead.org>
On Fri, 22 Feb 2019, Randy Dunlap <rdunlap@infradead.org> 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
next prev parent reply other threads:[~2019-02-25 13:41 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-23 1:11 BUG: KASAN: use-after-free in intel_hdmi_destroy+0x79/0x80 Randy Dunlap
2019-02-25 13:41 ` Jani Nikula [this message]
2019-02-25 14:43 ` [Intel-gfx] " Hans Verkuil
2019-02-25 14:58 ` Jani Nikula
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