From: Christoph Hellwig <hch@infradead.org>
To: Luis Henriques <luis.henriques@canonical.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>,
linux-kernel@vger.kernel.org, tj@kernel.org
Subject: Re: [PATCH v3 part1 0/4] Fix SG_IO ambiguity between READ SUBCHANNEL and UNMAP (and other similar cases)
Date: Wed, 27 Aug 2014 10:47:46 -0700 [thread overview]
Message-ID: <20140827174746.GA18373@infradead.org> (raw)
In-Reply-To: <20140827120806.GF10937@hercules>
On Wed, Aug 27, 2014 at 01:08:06PM +0100, Luis Henriques wrote:
> Thanks a lot for the update, Paolo.
>
> This is what I was actually expecting, although it's somewhat
> surprising, taking into account this is a security issue :-)
The right fix is to get rid of all the whitelisting BS and just allow
SG_IO if capable, not based on ownership checks.
With this all the problems with trying to work around the different commands
sets are gone.
prev parent reply other threads:[~2014-08-27 17:47 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-23 13:58 Paolo Bonzini
2013-05-23 13:58 ` [PATCH v3 part1 1/4] sg_io: pass request_queue to blk_verify_command Paolo Bonzini
2013-05-24 7:36 ` James Bottomley
2013-05-24 7:43 ` Paolo Bonzini
2013-05-24 7:50 ` James Bottomley
2013-05-24 7:53 ` Paolo Bonzini
2013-05-24 8:03 ` James Bottomley
2013-05-24 8:32 ` Paolo Bonzini
2013-05-24 21:41 ` Paolo Bonzini
2013-05-25 4:14 ` James Bottomley
2013-05-25 6:18 ` Paolo Bonzini
2013-05-23 13:58 ` [PATCH v3 part1 2/4] sg_io: prepare to introduce per-class command filters Paolo Bonzini
2013-05-23 13:58 ` [PATCH v3 part1 3/4] sg_io: use different default filters for each device class Paolo Bonzini
2013-05-23 13:58 ` [PATCH v3 part1 4/4] sg_io: resolve conflicts between commands assigned to multiple classes (CVE-2012-4542) Paolo Bonzini
2014-08-27 9:34 ` [PATCH v3 part1 0/4] Fix SG_IO ambiguity between READ SUBCHANNEL and UNMAP (and other similar cases) Luis Henriques
2014-08-27 10:09 ` Paolo Bonzini
2014-08-27 12:08 ` Luis Henriques
2014-08-27 17:47 ` Christoph Hellwig [this message]
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