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Re: [libvirt] [PATCH 0/8] Honour current process label when generating SELinux labels



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On 08/16/2012 11:41 AM, Viktor Mihajlovski wrote:
> On 08/10/2012 03:47 PM, Daniel P. Berrange wrote:
>> This patch series makes a number of changes to the SELinux label 
>> generation code. This is intended to make it fully honour the current
>> process label when generating VM labels, so that dynamic label generation
>> works better with custom policies, or confined user accounts.
>> 
>> -- libvir-list mailing list libvir-list redhat com 
>> https://www.redhat.com/mailman/listinfo/libvir-list
>> 
> 
> Unfortunately I am not selinux-savvy enough to understand exactly why, but
> I cannot start guests any more after pulling master.
> 
> The issue is that the virtual disk's security context (a block device in
> this case) cannot be set, message shown below.
> 
> 012-08-16 15:02:18.891+0000: 1536: error : 
> virSecuritySELinuxSetFileconHelper:652 : unable to set security context 
> 'system_u:system_r:svirt_image_t:s0:c786,c986' on 
> '/dev/disk/by-path/ccw-0.0.3770-part1': Invalid argument
> 
> Prior to that the security context would have looked like this 
> system_u:object_r:svirt_image_t:s0:c153,c923, i.e. using object_r instead
> of system_r.
> 
> I am running on RHEL 6.2, not sure whether this is relevant.
> 

Yes the security context should be system_u:object_r:svirt_image_t:s0:c786,c986
These patches should have just affected the Process label not the file label.
 On the file label we should alter the role on the file label to include object_r.
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