linux-kernel - Re: [PATCH] cmdline: fix get_options() overflow while parsing ranges

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Message-ID: <20170522160343.GA29663@kroah.com>
Date:   Mon, 22 May 2017 18:03:43 +0200
From:   Greg KH <greg@...ah.com>
To:     Ilya Matveychikov <matvejchikov@...il.com>
Cc:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Subject: Re: [PATCH] cmdline: fix get_options() overflow while parsing ranges

On Mon, May 22, 2017 at 07:53:47PM +0400, Ilya Matveychikov wrote:
> When using get_options() it's possible to specify a range of numbers,
> like 1-100500. The problem is that it doesn't track array size while
> calling internally to get_range() which iterates over the range and
> fills the memory with numbers.
> 
> Signed-off-by: Ilya V. Matveychikov <matvejchikov@...il.com>
> ---
>  lib/cmdline.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)

<formletter>

This is not the correct way to submit patches for inclusion in the
stable kernel tree.  Please read:
    https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html
for how to do this properly.

</formletter>