linux-kernel - Re: sound: use-after-free in snd_seq_deliver_single

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Message-ID: <CACT4Y+YXXYWUGSZ5y=ZHPJXVAKXeEXLn8vjkpm+xx98yfo4dxw@mail.gmail.com>
Date:	Mon, 1 Feb 2016 12:22:18 +0100
From:	Dmitry Vyukov <dvyukov@...gle.com>
To:	Mark Brown <broonie@...nel.org>
Cc:	Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>,
	Jie Yang <yang.jie@...el.com>,
	Takashi Sakamoto <o-takashi@...amocchi.jp>,
	alsa-devel@...a-project.org, LKML <linux-kernel@...r.kernel.org>,
	syzkaller <syzkaller@...glegroups.com>,
	Kostya Serebryany <kcc@...gle.com>,
	Alexander Potapenko <glider@...gle.com>,
	Sasha Levin <sasha.levin@...cle.com>
Subject: Re: sound: use-after-free in snd_seq_deliver_single_event

On Mon, Feb 1, 2016 at 12:16 PM, Mark Brown <broonie@...nel.org> wrote:
> On Mon, Feb 01, 2016 at 11:26:57AM +0100, Dmitry Vyukov wrote:
>
>> The following program triggers use-after-free in
>> snd_seq_deliver_single_event (run in a tight parallel loop):
>
> I'm not sure how you're working out who to send these to but all these
> reports you've been sending have been for ALSA core which I rarely look
> at closely, I mostly look at ASoC.  Might be worth looking into so
> people don't start zoning out things that look like misdirected stuff
> (I just noticed myself doing that with this).


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