From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: Lukas Czerner <lczerner@redhat.com>
Cc: 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: Fri, 17 Aug 2012 12:11:50 -0400 [thread overview]
Message-ID: <yq1d32ph515.fsf@sermon.lab.mkp.net> (raw)
In-Reply-To: <1345127925-32042-1-git-send-email-lczerner@redhat.com> (Lukas Czerner's message of "Thu, 16 Aug 2012 16:38:45 +0200")
>>>>> "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>
--
Martin K. Petersen Oracle Linux Engineering
next prev parent reply other threads:[~2012-08-17 16:12 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-16 14:38 Lukas Czerner
2012-08-17 16:11 ` Martin K. Petersen [this message]
2012-09-05 19:35 ` Lukáš Czerner
2012-09-05 19:41 ` Douglas Gilbert
2012-10-03 13:46 ` Lukáš Czerner
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