From mboxrd@z Thu Jan  1 00:00:00 1970
From: Takashi Iwai <tiwai@suse.de>
Subject: Re: [PATCH v2] snd/hda: fix use-after-free after
	module unload
Date: Mon, 11 Jul 2016 20:10:15 +0200
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References: <s5h37ngv4ks.wl-tiwai@suse.de>
 <20160711175106.5349-1-peter@lekensteyn.nl>
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To: Peter Wu <peter@lekensteyn.nl>
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On Mon, 11 Jul 2016 19:51:06 +0200,
Peter Wu wrote:
> 
> register_vga_switcheroo() sets the PM ops from the hda structure which
> is freed later in azx_free. Make sure that these ops are cleared.
> 
> Caught by KASAN, initially noticed due to a general protection fault.
> 
> Fixes: 246efa4a072f ("snd/hda: add runtime suspend/resume on optimus support (v4)")
> Signed-off-by: Peter Wu <peter@lekensteyn.nl>
> ---
> Maybe Cc stable?

Yes, I applied with Cc to stable now.


thanks,

Takashi