From: Paolo Bonzini <pbonzini@redhat.com>
To: Tejun Heo <tj@kernel.org>
Cc: linux-kernel@vger.kernel.org, pmatouse@redhat.com,
"James E.J. Bottomley" <JBottomley@parallels.com>,
linux-scsi@kernel.org, Jens Axboe <axboe@kernel.dk>
Subject: Re: [PATCH 06/13] sg_io: whitelist a few more commands for multimedia devices
Date: Fri, 25 Jan 2013 10:26:09 +0100 [thread overview]
Message-ID: <51024FB1.3000206@redhat.com> (raw)
In-Reply-To: <20130124225555.GC2373@mtj.dyndns.org>
Il 24/01/2013 23:55, Tejun Heo ha scritto:
> On Thu, Jan 24, 2013 at 04:00:42PM +0100, Paolo Bonzini wrote:
>> Strangely, a couple of MMC commands were never included. Add them too.
>
> What are the justifications for adding these commands to the filter?
> Are there users requesting these?
I think it's the other way round. What's the justification for leaving
them out, if they are in the standard? Since we're touching the
commands for other standards, it's better to be complete for MMC as well.
At least one of them (MECHANISM STATUS) is implemented in both QEMU and
Bochs, so someone is using it. If that someone were run virtualized,
with the host /dev/sr0 passed directly to the guest rather than
emulated, it would break.
Paolo
next prev parent reply other threads:[~2013-01-25 9:26 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-24 15:00 [PATCH 00/13] Corrections and customization of the SG_IO command whitelist (CVE-2012-4542) Paolo Bonzini
2013-01-24 15:00 ` [PATCH 01/13] sg_io: pass request_queue to blk_verify_command Paolo Bonzini
2013-01-24 22:34 ` Tejun Heo
2013-01-24 15:00 ` [PATCH 02/13] sg_io: reorganize list of allowed commands Paolo Bonzini
2013-01-24 22:42 ` Tejun Heo
2013-01-24 22:49 ` Tejun Heo
2013-01-24 22:58 ` Tejun Heo
2013-01-25 10:01 ` Paolo Bonzini
2013-01-25 17:13 ` Tejun Heo
2013-01-25 17:26 ` Paolo Bonzini
2013-01-24 15:00 ` [PATCH 03/13] sg_io: use different default filters for each device class Paolo Bonzini
2013-01-24 15:00 ` [PATCH 04/13] sg_io: resolve conflicts between commands assigned to multiple classes (CVE-2012-4542) Paolo Bonzini
2013-01-24 15:00 ` [PATCH 05/13] sg_io: whitelist a few more commands for rare & obsolete device types Paolo Bonzini
2013-01-24 15:00 ` [PATCH 06/13] sg_io: whitelist a few more commands for multimedia devices Paolo Bonzini
2013-01-24 22:55 ` Tejun Heo
2013-01-25 9:26 ` Paolo Bonzini [this message]
2013-01-25 17:04 ` Tejun Heo
2013-01-25 17:16 ` Paolo Bonzini
2013-01-25 17:28 ` Tejun Heo
2013-01-25 17:57 ` Paolo Bonzini
2013-01-25 18:13 ` Tejun Heo
2013-01-25 18:47 ` Paolo Bonzini
2013-01-25 19:01 ` Tejun Heo
2013-01-25 22:32 ` Paolo Bonzini
2013-01-25 22:41 ` Tejun Heo
2013-01-25 23:32 ` Paolo Bonzini
2013-01-25 23:47 ` Tejun Heo
2013-01-26 10:18 ` Paolo Bonzini
2013-01-24 15:00 ` [PATCH 07/13] sg_io: whitelist a few more commands for media changers Paolo Bonzini
2013-01-24 15:00 ` [PATCH 08/13] sg_io: whitelist a few more commands for tapes Paolo Bonzini
2013-01-24 15:00 ` [PATCH 09/13] sg_io: whitelist a few more commands for disks Paolo Bonzini
2013-01-24 15:00 ` [PATCH 10/13] sg_io: whitelist a few obsolete commands Paolo Bonzini
2013-01-24 15:00 ` [PATCH 11/13] sg_io: add list of commands that were in the consulted list but are disabled Paolo Bonzini
2013-01-24 15:00 ` [PATCH 12/13] sg_io: remove remnants of sysfs SG_IO filters Paolo Bonzini
2013-01-24 15:00 ` [PATCH 13/13] sg_io: introduce unpriv_sgio queue flag Paolo Bonzini
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