Re: [PATCH] Staging: comedi: fix information leak
From: Dan Carpenter
Date: Tue Mar 10 2015 - 02:45:19 EST
On Mon, Mar 09, 2015 at 09:08:17PM +0100, Matteo Semenzato wrote:
> From: Matteo Semenzato <mattew8898@xxxxxxxxx>
>
> The comedi_cmd struct has an hole after chanlist_len that could contain uninitialized
> memory, this struct is copied to userspace.
>
Is this a Smatch warning? If so then, I appologize because it's a false
positive. You really need to have the cross function database built for
that test to work.
The struct is initialized in __comedi_get_user_cmd().
regards,
dan carpenter
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