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From: Eric Blake <eblake@redhat.com>
To: Corey Bryant <coreyb@linux.vnet.ibm.com>
Cc: Blue Swirl <blauwirbel@gmail.com>,
	pmoore@redhat.com, aliguori@us.ibm.com, qemu-devel@nongnu.org,
	Eduardo Otubo <otubo@linux.vnet.ibm.com>
Subject: Re: [Qemu-devel] [PATCH 3/4] Support for "double whitelist" filters
Date: Fri, 19 Oct 2012 14:36:12 -0600	[thread overview]
Message-ID: <5081B9BC.8060503@redhat.com> (raw)
In-Reply-To: <5081B330.3060106@linux.vnet.ibm.com>

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On 10/19/2012 02:08 PM, Corey Bryant wrote:
> 
> 
> On 10/19/2012 01:04 PM, Blue Swirl wrote:
>> On Wed, Oct 17, 2012 at 1:15 PM, Eduardo Otubo
>> <otubo@linux.vnet.ibm.com> wrote:
>>> This patch includes a second whitelist right before the main loop. It's
>>> a smaller and more restricted whitelist, excluding execve() among many
>>> others.
>>>

>> It's nice to see that for example open, creat, unlink, socket, bind,
>> mprotect, setrlimit and kill are not present.
>>
> 
> Hmm, well open minimally needs to be added to this list so that drives
> can be hotplugged.

Unless we enforce the use of add-fd for hot-plugging drives, but that in
turn requires that we have -blockdev semantics for telling qemu how to
open backing chains.

-- 
Eric Blake   eblake@redhat.com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org


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  reply	other threads:[~2012-10-19 20:36 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-10-17 13:15 [Qemu-devel] [PATCH 1/4] Adding new syscalls (bugzilla 855162) Eduardo Otubo
2012-10-17 13:15 ` [Qemu-devel] [PATCH 2/4] Setting "-sandbox on" as deafult Eduardo Otubo
2012-10-18 15:08   ` Corey Bryant
2012-10-17 13:15 ` [Qemu-devel] [PATCH 3/4] Support for "double whitelist" filters Eduardo Otubo
2012-10-19 17:04   ` Blue Swirl
2012-10-19 20:08     ` Corey Bryant
2012-10-19 20:36       ` Eric Blake [this message]
2012-10-19 20:46         ` Corey Bryant
2012-10-19 20:03   ` Corey Bryant
2012-10-17 13:15 ` [Qemu-devel] [PATCH 4/4] Warning messages on net devices hotplug Eduardo Otubo
2012-10-18 14:59   ` Corey Bryant
2012-10-18 15:15   ` Paolo Bonzini
2012-10-24 14:18     ` Corey Bryant
2012-10-24 14:34       ` Corey Bryant
2012-10-24 15:21       ` Paolo Bonzini
2012-10-24 15:39         ` Corey Bryant
2012-10-24 15:45           ` Paolo Bonzini
2012-10-24 15:56             ` Corey Bryant
2012-10-24 17:30             ` Corey Bryant
2012-10-25  7:40               ` Paolo Bonzini
2012-10-26 14:14                 ` Corey Bryant
2012-10-19 19:58 ` [Qemu-devel] [PATCH 1/4] Adding new syscalls (bugzilla 855162) Corey Bryant

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