From: Olaf Hering <olaf@aepfle.de>
To: Vincent Hanquez <vincent.hanquez@eu.citrix.com>
Cc: "xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>
Subject: Re: [PATCH] xenstored: allow guests to reintroduce themselves
Date: Tue, 9 Aug 2011 12:49:56 +0200 [thread overview]
Message-ID: <20110809104956.GA9131@aepfle.de> (raw)
In-Reply-To: <4E41070D.8020009@eu.citrix.com>
On Tue, Aug 09, Vincent Hanquez wrote:
> What about security wise ?
Its not about security, just the usual UNIX gun->foot thing.
> Guest userspace suddenly becomes able to do this operation (and DoS themself)
> where they used to be limited to normal read/write/.. operations.
The guest userspace does most likely not talk to xenstored directly.
Whatever acts as the proxy could filter the XS_INTRODUCE command.
> Also you're changing the C xenstored behavior without changing
> the OCaml one.
I better leave that to the maintainers of that code.
Olaf
next prev parent reply other threads:[~2011-08-09 10:49 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-01 12:38 [PATCH] xenstored: allow guests to reintroduce themselves Olaf Hering
2011-08-09 8:59 ` Ian Campbell
2011-08-09 9:17 ` Olaf Hering
2011-08-09 9:25 ` Ian Campbell
2011-08-09 9:34 ` Olaf Hering
2011-08-09 10:08 ` Vincent Hanquez
2011-08-09 10:14 ` Keir Fraser
2011-08-09 10:50 ` Vincent Hanquez
2011-08-09 11:00 ` Keir Fraser
2011-08-09 11:18 ` Vincent Hanquez
2011-08-09 11:31 ` Keir Fraser
2011-08-09 12:33 ` Vincent Hanquez
2011-08-09 11:07 ` Vincent Hanquez
2011-08-09 10:49 ` Olaf Hering [this message]
2011-08-09 16:34 ` Ian Jackson
2011-08-09 16:38 ` Ian Jackson
2011-08-09 16:49 ` Ian Jackson
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