Re: [PATCH] drivers/staging/bcm: Integer overflow

From: Dan Carpenter
Date: Fri Dec 20 2013 - 06:19:02 EST


On Fri, Dec 20, 2013 at 07:07:38PM +0800, Wenliang Fan wrote:
> The checking condition in 'validateFlash2xReadWrite()' is not
> sufficient. A large number invalid would cause an integer overflow and
> pass the condition, which could cause further integer overflows in
> 'Bcmchar.c:bcm_char_ioctl()'.
>
> Signed-off-by: Wenliang Fan <fanwlexca@xxxxxxxxx>

Looks good.

Reviewed-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>

regards,
dan carpenter

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