From: Douglas Gilbert <dgilbert@interlog.com>
To: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: Lukas Czerner <lczerner@redhat.com>,
linux-scsi@vger.kernel.org, JBottomley@parallels.com,
tytso@mit.edu, pbonzini@redhat.com, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] scsi_debug: Fix off-by-one bug when unmapping region
Date: Wed, 05 Sep 2012 15:41:13 -0400 [thread overview]
Message-ID: <5047AAD9.90106@interlog.com> (raw)
In-Reply-To: <yq1d32ph515.fsf@sermon.lab.mkp.net>
On 12-08-17 12:11 PM, Martin K. Petersen wrote:
>>>>>> "Lukas" == Lukas Czerner <lczerner@redhat.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@oracle.com>
Acked-by: Douglas Gilbert <dgilbert@interlog.com>
next prev parent reply other threads:[~2012-09-05 19:41 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-16 14:38 [PATCH] scsi_debug: Fix off-by-one bug when unmapping region Lukas Czerner
2012-08-17 16:11 ` Martin K. Petersen
2012-09-05 19:35 ` Lukáš Czerner
2012-09-05 19:41 ` Douglas Gilbert [this message]
2012-10-03 13:46 ` Lukáš Czerner
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