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

From: Lukáš Czerner
Date: Wed Sep 05 2012 - 15:35:43 EST


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

> Date: Fri, 17 Aug 2012 12:11:50 -0400
> From: Martin K. Petersen <martin.petersen@xxxxxxxxxx>
> To: Lukas Czerner <lczerner@xxxxxxxxxx>
> Cc: linux-scsi@xxxxxxxxxxxxxxx, JBottomley@xxxxxxxxxxxxx, tytso@xxxxxxx,
> pbonzini@xxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
> Subject: Re: [PATCH] scsi_debug: Fix off-by-one bug when unmapping region
>
> >>>>> "Lukas" == Lukas Czerner <lczerner@xxxxxxxxxx> 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@xxxxxxxxxx>
>

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

Thanks!
-Lukas
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