Re: [PATCH] comedi: integer overflow in do_insnlist_ioctl()

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Subject: Re: [PATCH] comedi: integer overflow in do_insnlist_ioctl()
From: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Date: Fri, 25 Nov 2011 10:25:50 +0300
Cc: "devel@xxxxxxxxxxxxxxxxxxxx" <devel@xxxxxxxxxxxxxxxxxxxx>, Mori Hess <fmhess@xxxxxxxxxxxxxxxxxxxxx>, "security@xxxxxxxxxx" <security@xxxxxxxxxx>, Lars-Peter Clausen <lars@xxxxxxxxxx>, Ian Abbott <ian.abbott@xxxxxxxxx>, Lucas De Marchi <lucas.demarchi@xxxxxxxxxxxxxx>, Greg Kroah-Hartman <gregkh@xxxxxxx>, "linux-kernel@xxxxxxxxxxxxxxx" <linux-kernel@xxxxxxxxxxxxxxx>, Ian Abbott <abbotti@xxxxxxxxx>, Franky Lin <frankyl@xxxxxxxxxxxx>, Greg Dietsche <Gregory.Dietsche@xxxxxxx>, Mark Pearson <markpearson_de@xxxxxxxx>
Delivered-to: devel@xxxxxxxxxxxxxxxxxxxx
In-reply-to: <97189E06-26D8-4CF9-B325-06403FB1C42C@gmail.com>
User-agent: Mutt/1.5.21 (2010-09-15)

On Thu, Nov 24, 2011 at 02:07:49PM -0500, Xi Wang wrote:
> Using kcalloc looks good to me.  Do you want to redo the patch in that way?
> 

It's your choice.  The other fix you wrote is valid as well.

regards,
dan carpenter

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Follow-Ups:
- [PATCH v3] comedi: integer overflow in do_insnlist_ioctl()
  - From: Xi Wang

References:
- [PATCH] comedi: integer overflow in do_insnlist_ioctl()
  - From: Xi Wang
- Re: [PATCH] comedi: integer overflow in do_insnlist_ioctl()
  - From: Dan Carpenter
- Re: [PATCH] comedi: integer overflow in do_insnlist_ioctl()
  - From: Xi Wang
- Re: [PATCH] comedi: integer overflow in do_insnlist_ioctl()
  - From: Dan Carpenter
- Re: [PATCH] comedi: integer overflow in do_insnlist_ioctl()
  - From: Ian Abbott
- Re: [PATCH] comedi: integer overflow in do_insnlist_ioctl()
  - From: Lars-Peter Clausen
- Re: [PATCH] comedi: integer overflow in do_insnlist_ioctl()
  - From: Dan Carpenter
- Re: [PATCH] comedi: integer overflow in do_insnlist_ioctl()
  - From: Xi Wang

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