linux-kernel - Re: [PATCH][next] ALSA: rawmidi: fix incorrect array bounds check on clock

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Message-ID: <s5hfsyiiz43.wl-tiwai@suse.de>
Date:   Wed, 19 May 2021 16:20:44 +0200
From:   Takashi Iwai <tiwai@...e.de>
To:     Colin King <colin.king@...onical.com>
Cc:     Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>,
        David Henningsson <coding@...ic.se>,
        alsa-devel@...a-project.org, kernel-janitors@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH][next] ALSA: rawmidi: fix incorrect array bounds check on clock_names

On Wed, 19 May 2021 12:54:24 +0200,
Colin King wrote:
> 
> From: Colin Ian King <colin.king@...onical.com>
> 
> The array bounds check on clock_names is currently checking the size
> of the entire array rather than the number of elements in the array
> leading to a potential array bounds read error. Fix this by using
> the ARRAY_SIZE macro instead of sizeof.
> 
> Addresses-Coverity: ("Out-of-bounds read")
> Fixes: 08fdced60ca0 ("ALSA: rawmidi: Add framing mode")
> Signed-off-by: Colin Ian King <colin.king@...onical.com>

Thanks, applied.


Takashi