Re: selinux and static label for sVirt

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On Thursday, May 08, 2014 05:45:56 PM vlad halilov wrote:
> Hello. I trying to run kvm wih mls policy on RHEL6.5 and got strange error.
> 
> Steps:
> 
> 1) installing with virtulaization software bundle;
> 2) install selinux mls and some more: xorg-x11-xauth policycoreutils-python
> selinux-policy-mls netlabel_tools setools-console;
> 3) enable mls in selinux/config, set permissive mode, autorelabel fs &
> reboot;
> 4) login by root@ssh with X (permissive mode still in effect) and create vm.
> 
> Now, after creating any vm, it can executed only with dynamic label. On
> trying to set static label (s0, s1 or any other with compartments) i got
> an error:
> 
> 2014-05-08 13:23:06.711+0000: 1607: error
> 
> :virSecuritySELinuxGenSecurityLabel:552 : unable to allocate socket
> security context 's0': Invalid argument

If you are going to use static labels with sVirt you need to specify the 
entire SELinux label and not just the MLS field.  I recommend searching for 
the "Red Hat Enterprise Linux 6 Virtualization Security Guide" for more 
information on using sVirt with RHEL6.

-- 
paul moore
www.paul-moore.com

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