linux-kernel - Re: [PATCH] ALSA: echoaudio: Fix memory allocation

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Message-ID: <s5h1t3iwf4o.wl-tiwai@suse.de>
Date:	Mon, 27 Jun 2016 22:28:23 +0200
From:	Takashi Iwai <tiwai@...e.de>
To:	"Christophe JAILLET" <christophe.jaillet@...adoo.fr>
Cc:	<perex@...ex.cz>, <alsa-devel@...a-project.org>,
	<kernel-janitors@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] ALSA: echoaudio: Fix memory allocation

On Mon, 27 Jun 2016 21:06:51 +0200,
Christophe JAILLET wrote:
> 
> 'commpage_bak' is allocated with 'sizeof(struct echoaudio)' bytes.
> We then copy 'sizeof(struct comm_page)' bytes in it.
> On my system, smatch complains because one is 2960 and the other is 3072.
> 
> This would result in memory corruption or a oops.
> 
> Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>

Applied, thanks.


Takashi