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From: Dave Jones <davej@redhat.com>
To: Andreas Gruenbacher <agruen@suse.de>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	David Howells <dhowells@redhat.com>,
	torvalds@linux-foundation.org, herbert.xu@redhat.com,
	linux-kernel@vger.kernel.org, arjan@infradead.org,
	linux-crypto@vger.kernel.org
Subject: Re: [PATCH 0/6] MODSIGN: Kernel module signing
Date: Thu, 15 Feb 2007 01:22:18 -0500	[thread overview]
Message-ID: <20070215062218.GA917@redhat.com> (raw)
In-Reply-To: <200702142214.53625.agruen@suse.de>

On Wed, Feb 14, 2007 at 10:14:53PM -0800, Andreas Gruenbacher wrote:
 > On Wednesday 14 February 2007 21:45, Dave Jones wrote:
 > > well, the situation for external modules is no worse than usual.
 > > They still work, they just aren't signed. Which from a distributor point
 > > of view, is actually a nice thing, as they stick out like a sore thumb
 > > in oops reports with (U) markers :)
 > 
 > I agree, that's really what should happen. We solve this by marking modules as 
 > supported, partner supported, or unsupported, but in an "insecure" way, so 
 > partners and users could try to fake the support status of a module and/or 
 > remove status flags from Oopses, and cryptography wouldn't save us. We could 
 > try to sign Oopses which I guess you guys are doing. This whole issue hasn't 
 > been a serious problem in the past though, and we generally try to trust 
 > users not to play games on us.

For the most part it works out.  I've had users file oopses where they've editted
out Tainted: P, and left in nvidia(U) for example :-)

		Dave

-- 
http://www.codemonkey.org.uk

  reply	other threads:[~2007-02-15  6:22 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-02-14 19:09 David Howells
2007-02-14 19:09 ` [PATCH 2/6] MODSIGN: In-kernel crypto extensions David Howells
2007-02-14 19:09 ` [PATCH 3/6] MODSIGN: Add indications of module ELF types David Howells
2007-02-14 19:09 ` [PATCH 4/6] MODSIGN: Module ELF verifier David Howells
2007-02-14 19:10 ` [PATCH 5/6] MODSIGN: Module signature checker and key manager David Howells
2007-02-14 19:10 ` [PATCH 6/6] MODSIGN: Apply signature checking to modules on module load David Howells
2007-02-14 19:26 ` [PATCH 0/6] MODSIGN: Kernel module signing Linus Torvalds
2007-02-14 19:40 ` David Howells
2007-02-14 21:32   ` Michael Halcrow
2007-02-14 21:59   ` David Howells
2007-02-14 22:21     ` Michael Halcrow
2007-02-15 21:31   ` Indan Zupancic
2007-02-15  3:41 ` Andrew Morton
2007-02-15  4:13   ` Dave Jones
2007-02-15  5:35     ` Andreas Gruenbacher
2007-02-15  5:45       ` Dave Jones
2007-02-15  6:14         ` Andreas Gruenbacher
2007-02-15  6:22           ` Dave Jones [this message]
2007-02-15 20:34           ` Valdis.Kletnieks
2007-02-15 22:12             ` Andreas Gruenbacher
2007-02-16  0:15               ` Olaf Kirch
2007-02-15 22:10           ` Pavel Machek
2007-02-15 20:55     ` Valdis.Kletnieks
2007-02-15 21:32       ` Adrian Bunk
2007-02-15 22:12         ` Valdis.Kletnieks
2007-02-15 14:35 ` Roman Zippel
2007-02-15 17:32 ` David Howells
2007-02-15 18:33   ` Roman Zippel
2007-02-15 20:01     ` David Lang
2007-02-15 21:01       ` Roman Zippel
2007-02-15 21:03 ` Adrian Bunk
2007-02-15 22:13 ` Pavel Machek
2007-02-16 20:21   ` Dave Jones
2007-02-16 20:27     ` Arjan van de Ven
     [not found] <7OPWh-470-9@gated-at.bofh.it>
     [not found] ` <7OxPF-16i-7@gated-at.bofh.it>
     [not found]   ` <7OSKA-8A-17@gated-at.bofh.it>
     [not found]     ` <7OTGJ-1G5-23@gated-at.bofh.it>
2007-02-16 15:38       ` Bodo Eggert

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