linux-kernel - Re: [PATCH] kbuild: replace unbounded sprintf call in modpost

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Date:	Wed, 6 Nov 2013 22:30:33 +0100
From:	Michal Marek <mmarek@...e.cz>
To:	Kees Cook <keescook@...omium.org>
Cc:	linux-kernel@...r.kernel.org, linux-kbuild@...r.kernel.org
Subject: Re: [PATCH] kbuild: replace unbounded sprintf call in modpost

On Fri, Oct 25, 2013 at 06:14:43AM -0700, Kees Cook wrote:
> The modpost tool could overflow its stack buffer if someone was running
> with an insane shell environment. Regardless, it's technically a bug,
> so this fixes it to truncate the string instead of seg-faulting.
> 
> Found by Coverity.
> 
> Signed-off-by: Kees Cook <keescook@...omium.org>

Applied to kbuild.git#kbuild.

Michal
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