From: Arnaldo Carvalho de Melo <acme@conectiva.com.br>
To: "Cress, Andrew R" <andrew.r.cress@intel.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Validating Pointers
Date: Thu, 26 Jul 2001 12:45:30 -0300 [thread overview]
Message-ID: <20010726124529.B2548@conectiva.com.br> (raw)
In-Reply-To: <9678C2B4D848D41187450090276D1FAE1008EAA8@FMSMSX32>
In-Reply-To: <9678C2B4D848D41187450090276D1FAE1008EAA8@FMSMSX32>; from andrew.r.cress@intel.com on Thu, Jul 26, 2001 at 08:36:49AM -0700
Em Thu, Jul 26, 2001 at 08:36:49AM -0700, Cress, Andrew R escreveu:
>
> Is there a general (correct) kernel subroutine to validate a pointer
> received in a routine as input from the outside world? Is access_ok() a
> good one to use?
normally one uses get_user & friends and copy_from_user and friends
checking its return and returning -EFAULT if they fail
next prev parent reply other threads:[~2001-07-26 15:46 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-07-26 15:36 Validating Pointers Cress, Andrew R
2001-07-26 15:45 ` Arnaldo Carvalho de Melo [this message]
[not found] <no.id>
2001-07-26 15:52 ` Alan Cox
2001-07-26 17:09 ` tpepper
2001-07-26 17:12 ` Alan Cox
2001-07-27 3:19 ` tpepper
2001-07-27 9:47 ` Alan Cox
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