On 02/17/2014 09:38 AM, Daniel P. Berrange wrote:
> From: Eric Blake <ebl...@redhat.com>
> 
> Use helper virProcessRunInMountNamespace in lxcDomainShutdownFlags and
> lxcDomainReboot.  Otherwise, a malicious guest could use symlinks
> to force the host to manipulate the wrong file in the host's namespace.
> 
> Idea by Dan Berrange, based on an initial report by Reco
> <recovery...@gmail.com> at
> http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=732394
> 
> Signed-off-by: Eric Blake <ebl...@redhat.com>
> ---
>  src/lxc/lxc_driver.c  | 38 ++++++++++++++++++++------------------
>  src/util/virinitctl.c | 26 ++++++++++----------------
>  src/util/virinitctl.h |  5 ++---
>  3 files changed, 32 insertions(+), 37 deletions(-)
> 

ACK (but I'm biased :)

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

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