From: Alan Cox <alan.cox@intel.com>
To: "Kasatkin, Dmitry" <dmitry.kasatkin@intel.com>
Cc: Alasdair G Kergon <agk@redhat.com>, <dm-devel@redhat.com>,
<akpm@linux-foundation.org>, <linux-fsdevel@vger.kernel.org>,
Mikulas Patocka <mpatocka@redhat.com>,
Milan Broz <mbroz@redhat.com>
Subject: Re: dm-integrity: integrity protection device-mapper target
Date: Mon, 21 Jan 2013 13:51:57 +0000 [thread overview]
Message-ID: <20130121135157.47a68a57@bob.linux.org.uk> (raw)
In-Reply-To: <CALLzPKZS6WgBxPcXJ1Eoe09QD_-T98E4x29qUo-fNAAt1ajTrw@mail.gmail.com>
> This is not to provide reliability.
> Default is to return error. But zero might be desirable.
There are cases where being able to force blocks to all zeros is itself
a security attack and it seems an odd behaviour. Error on read/allow
write seems sensible enough.
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next prev parent reply other threads:[~2013-01-21 13:31 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-17 4:54 dm-integrity: integrity protection device-mapper target Mikulas Patocka
2013-01-18 21:43 ` Kasatkin, Dmitry
2013-01-18 23:16 ` Alasdair G Kergon
2013-01-18 23:58 ` Kasatkin, Dmitry
2013-01-21 13:51 ` Alan Cox [this message]
2013-01-21 10:37 ` Kasatkin, Dmitry
2013-01-21 10:38 ` Kasatkin, Dmitry
2013-01-23 1:29 ` Mikulas Patocka
2013-01-23 6:09 ` [dm-devel] " Will Drewry
2013-01-23 10:20 ` Kasatkin, Dmitry
2013-01-28 1:43 ` Will Drewry
2013-01-23 10:19 ` Kasatkin, Dmitry
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