linux-kernel - Re: [PATCH] ALSA: usb-audio: Fix size validation in convert_chmap

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Message-ID: <87v7mkx6dz.wl-tiwai@suse.de>
Date: Mon, 18 Aug 2025 12:37:28 +0200
From: Takashi Iwai <tiwai@...e.de>
To: Dan Carpenter <dan.carpenter@...aro.org>
Cc: Takashi Iwai <tiwai@...e.de>,
	Jaroslav Kysela <perex@...ex.cz>,
	Takashi Iwai <tiwai@...e.com>,
	Karol Kosik <k.kosik@...look.com>,
	Youngjun Lee <yjjuny.lee@...sung.com>,
	linux-sound@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	kernel-janitors@...r.kernel.org
Subject: Re: [PATCH] ALSA: usb-audio: Fix size validation in convert_chmap_v3()

On Mon, 18 Aug 2025 11:59:45 +0200,
Dan Carpenter wrote:
> 
> The "p" pointer is void so sizeof(*p) is 1.  The intent was to check
> sizeof(*cs_desc), which is 3, instead.
> 
> Fixes: ecfd41166b72 ("ALSA: usb-audio: Validate UAC3 cluster segment descriptors")
> Signed-off-by: Dan Carpenter <dan.carpenter@...aro.org>

Applied now.  Thanks.


Takashi