linux-kernel - Re: [PATCH] tty: vt: add a bounds checking in vt_do_kdgkb

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Message-ID: <Yx8Vj2GfGxehRAtR@kili>
Date:   Mon, 12 Sep 2022 14:18:39 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     Hangyu Hua <hbh25y@...il.com>
Cc:     gregkh@...uxfoundation.org, jirislaby@...nel.org,
        changlianzhi@...ontech.com, dmitry.torokhov@...il.com,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] tty: vt: add a bounds checking in vt_do_kdgkb_ioctl()

On Thu, Sep 08, 2022 at 03:54:03PM +0800, Hangyu Hua wrote:
> As array_index_nospec's comments indicate，a bounds checking need to add
> before calling array_index_nospec.
> 

This commit message doesn't explain the impact to the user so the patch
was going to be rejected based on just the commit message regardless of
the actual code.

regards,
dan carpenter