linux-kernel - Re: [PATCH v4 1/2] block: Fix a buffer overrun in bio_integrity

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Message-ID: <yq1mwzbbzi1.fsf@sermon.lab.mkp.net>
Date:	Wed, 24 Oct 2012 12:34:14 -0400
From:	"Martin K. Petersen" <martin.petersen@...cle.com>
To:	Vivek Goyal <vgoyal@...hat.com>
Cc:	Tejun Heo <tj@...nel.org>,
	Kent Overstreet <koverstreet@...gle.com>,
	linux-bcache@...r.kernel.org, linux-kernel@...r.kernel.org,
	dm-devel@...hat.com, axboe@...nel.dk, martin.petersen@...cle.com
Subject: Re: [PATCH v4 1/2] block: Fix a buffer overrun in bio_integrity_split()

>>>>> "Vivek" == Vivek Goyal <vgoyal@...hat.com> writes:

Vivek> Initially he had reordered the bio_pair fields but there were
Vivek> couple of issues. We could not assume that there is no padding
Vivek> between fields and secondly some of the initializtion of looked
Vivek> plain ugly.

Vivek> IMHO, introduction of bip_vec to fix this issue is small and
Vivek> cleaner then reordering fields.

I agree.

-- 
Martin K. Petersen	Oracle Linux Engineering
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