linux-kernel - Re: [PATCH] irda: do not leak initialized list.dev to userspace

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Date:   Fri, 18 Aug 2017 16:22:19 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     colin.king@...onical.com
Cc:     netdev@...r.kernel.org, samuel@...tiz.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] irda: do not leak initialized list.dev to userspace

From: Colin King <colin.king@...onical.com>
Date: Thu, 17 Aug 2017 23:14:58 +0100

> From: Colin Ian King <colin.king@...onical.com>
> 
> list.dev has not been initialized and so the copy_to_user is copying
> data from the stack back to user space which is a potential
> information leak. Fix this ensuring all of list is initialized to
> zero.
> 
> Detected by CoverityScan, CID#1357894 ("Uninitialized scalar variable")
> 
> Signed-off-by: Colin Ian King <colin.king@...onical.com>

Applied and queued up for -stable, thanks.