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Message-ID: <20101122170242.GA11289@albatros>
Date:	Mon, 22 Nov 2010 20:02:42 +0300
From:	Vasiliy Kulikov <segoon@...nwall.com>
To:	"Dan J. Rosenberg" <drosenberg@...curity.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re:

On Sun, Nov 21, 2010 at 13:33 -0500, Dan J. Rosenberg wrote:
> In this case, count can never be -1, since it's limited by various checks in vfs_write() and rw_verify_area(), etc.

Correct, I was dummied by similar checks in similar drivers - they do
check such overflows.

-- 
Vasiliy Kulikov
http://www.openwall.com - bringing security into open computing environments
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