linux-kernel - Re: [PATCH 2/2] autofs4 - fix string validation check order

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Message-ID: <x49prlk6ecu.fsf@segfault.boston.devel.redhat.com>
Date:	Tue, 28 Oct 2008 09:25:37 -0400
From:	Jeff Moyer <jmoyer@...hat.com>
To:	Ian Kent <raven@...maw.net>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Kernel Mailing List <linux-kernel@...r.kernel.org>,
	autofs mailing list <autofs@...ux.kernel.org>,
	linux-fsdevel <linux-fsdevel@...r.kernel.org>
Subject: Re: [PATCH 2/2] autofs4 - fix string validation check order

Ian Kent <raven@...maw.net> writes:

> In function validate_dev_ioctl() we check that the string we've
> been sent is a valid path. The function that does this check
> assumes the string is NULL terminated but our NULL termination
> check isn't done until after this call. This patch changes the
> order of the check.
>
> Signed-off-by: Ian Kent <raven@...maw.net>
Acked-by: Jeff Moyer <jmoyer@...hat.com>
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