linux-kernel - Re: [PATCH] ALSA: hda/via: Avoid potential array out-of-bound in add_secret_dac

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Message-ID: <87wn5irf55.wl-tiwai@suse.de>
Date:   Thu, 19 Jan 2023 11:29:42 +0100
From:   Takashi Iwai <tiwai@...e.de>
To:     Artemii Karasev <karasev@...ras.ru>
Cc:     Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>,
        Xiang wangx <wangxiang@...rlc.com>,
        alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
        lvc-project@...uxtesting.org
Subject: Re: [PATCH] ALSA: hda/via: Avoid potential array out-of-bound in add_secret_dac_path()

On Thu, 19 Jan 2023 09:22:59 +0100,
Artemii Karasev wrote:
> 
> snd_hda_get_connections() can return a negative error code.
> It may lead to accessing 'conn' array at a negative index.
> 
> Found by Linux Verification Center (linuxtesting.org) with SVACE.
> 
> Signed-off-by: Artemii Karasev <karasev@...ras.ru>
> Fixes: 30b4503378c9 ("ALSA: hda - Expose secret DAC-AA connection of some VIA codecs")

Thanks, applied.


Takashi