linux-kernel - Re: [PATCH] ALSA: usb-audio: US16x08: Move overflow check before array access

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Message-ID: <87edztt91j.wl-tiwai@suse.de>
Date:   Mon, 13 Jun 2022 07:41:12 +0200
From:   Takashi Iwai <tiwai@...e.de>
To:     Daniil Dementev <d.dementev@...ras.ru>
Cc:     Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>,
        alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
        Alexey Khoroshilov <khoroshilov@...ras.ru>
Subject: Re: [PATCH] ALSA: usb-audio: US16x08: Move overflow check before array access

On Fri, 10 Jun 2022 18:57:32 +0200,
Daniil Dementev wrote:
> 
> Buffer overflow could occur in the loop "while", due to accessing an
> array element before checking the index.
> 
> Found by Linux Verification Center (linuxtesting.org) with SVACE.
> 
> Signed-off-by: Daniil Dementev <d.dementev@...ras.ru>
> Reviewed-by: Alexey Khoroshilov <khoroshilov@...ras.ru>

Thanks, applied.


Takashi