linux-kernel - Re: [PATCH 3/4] security/selinux: decrement sizeof size in strncmp

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Message-ID: <hdi7c5$csj$1@taverner.cs.berkeley.edu>
Date:	Thu, 12 Nov 2009 23:56:53 +0000 (UTC)
From:	daw@...berkeley.edu (David Wagner)
To:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/4] security/selinux: decrement sizeof size in strncmp

Julia Lawall  wrote:
> Is it possible for the 0 at the end of an explicit constant string
> to get overwritten?

I don't see any way it could in this case.  If there were some other
bug that allowed overwriting the explicit constant string, we'd want
to fix that other bug, but I don't see anything like that in this case.
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