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From: Hans Verkuil <hverkuil@xs4all.nl>
To: Mauro Carvalho Chehab <mchehab@osg.samsung.com>,
	Linux Media Mailing List <linux-media@vger.kernel.org>
Cc: Mauro Carvalho Chehab <mchehab@infradead.org>
Subject: Re: [PATCH 13/13] vivid-radio-rx: Don't go past buffer
Date: Thu, 30 Apr 2015 08:21:14 +0200	[thread overview]
Message-ID: <5541C9DA.5070202@xs4all.nl> (raw)
In-Reply-To: <c3004eee94a40cdfaf51b50dad464c25bc974e54.1430262315.git.mchehab@osg.samsung.com>

On 04/29/2015 01:06 AM, Mauro Carvalho Chehab wrote:
> drivers/media/platform/vivid/vivid-radio-rx.c:198 vivid_radio_rx_s_hw_freq_seek() error: buffer overflow 'vivid_radio_bands' 3 <= 3
> 
> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

Acked-by: Hans Verkuil <hans.verkuil@cisco.com>

> 
> diff --git a/drivers/media/platform/vivid/vivid-radio-rx.c b/drivers/media/platform/vivid/vivid-radio-rx.c
> index c7651a506668..f99092ca8f5c 100644
> --- a/drivers/media/platform/vivid/vivid-radio-rx.c
> +++ b/drivers/media/platform/vivid/vivid-radio-rx.c
> @@ -195,6 +195,8 @@ int vivid_radio_rx_s_hw_freq_seek(struct file *file, void *fh, const struct v4l2
>  			if (dev->radio_rx_freq >= vivid_radio_bands[band].rangelow &&
>  			    dev->radio_rx_freq <= vivid_radio_bands[band].rangehigh)
>  				break;
> +		if (band == TOT_BANDS)
> +			return -EINVAL;
>  		low = vivid_radio_bands[band].rangelow;
>  		high = vivid_radio_bands[band].rangehigh;
>  	}
> 


      reply	other threads:[~2015-04-30  6:21 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <7a73d61faf3046af216692dbf1473bafc645ed9f.1430262315.git.mchehab@osg.samsung.com>
2015-04-28 23:06 ` [PATCH 08/13] cx24116: fix a buffer overflow when checking userspace params Mauro Carvalho Chehab
2015-04-28 23:06 ` [PATCH 09/13] af9013: Don't accept invalid bandwidth Mauro Carvalho Chehab
2015-04-28 23:06 ` [PATCH 10/13] cx24117: fix a buffer overflow when checking userspace params Mauro Carvalho Chehab
2015-04-28 23:06 ` [PATCH 11/13] zc3xx: don't go past quality array Mauro Carvalho Chehab
2015-04-28 23:06 ` [PATCH 12/13] zc3xx: remove dead code and uneeded gotos Mauro Carvalho Chehab
2015-04-28 23:06 ` [PATCH 13/13] vivid-radio-rx: Don't go past buffer Mauro Carvalho Chehab
2015-04-30  6:21   ` Hans Verkuil [this message]

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