linux-kernel - Re: [PATCH] scsi_debug: Fix off-by-one bug when unmapping region

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Message-ID: <alpine.LFD.2.00.1209051534110.509@new-host-2>
Date:	Wed, 5 Sep 2012 15:35:39 -0400 (EDT)
From:	Lukáš Czerner <lczerner@...hat.com>
To:	"Martin K. Petersen" <martin.petersen@...cle.com>
cc:	Lukas Czerner <lczerner@...hat.com>, linux-scsi@...r.kernel.org,
	JBottomley@...allels.com, tytso@....edu, pbonzini@...hat.com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] scsi_debug: Fix off-by-one bug when unmapping region

On Fri, 17 Aug 2012, Martin K. Petersen wrote:

> Date: Fri, 17 Aug 2012 12:11:50 -0400
> From: Martin K. Petersen <martin.petersen@...cle.com>
> To: Lukas Czerner <lczerner@...hat.com>
> Cc: linux-scsi@...r.kernel.org, JBottomley@...allels.com, tytso@....edu,
>     pbonzini@...hat.com, linux-kernel@...r.kernel.org
> Subject: Re: [PATCH] scsi_debug: Fix off-by-one bug when unmapping region
> 
> >>>>> "Lukas" == Lukas Czerner <lczerner@...hat.com> writes:
> 
> Lukas> Currently it is possible to unmap one more block than user
> Lukas> requested to due to the off-by-one error in unmap_region(). This
> Lukas> is probably due to the fact that the end variable despite its
> Lukas> name actually points to the last block to unmap + 1. However in
> Lukas> the condition it is handled as the last block of the region to
> Lukas> unmap.
> 
> Acked-by: Martin K. Petersen <martin.petersen@...cle.com>
> 

I am still not seeing it in anywhere, is this going in any time soon
?

Thanks!
-Lukas
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