[Users] SELinux policy issue with oVirt/sanlock

[Haim Ateya]

----- Original Message -----
> From: "Brian Vetter" <bjvetter at gmail.com>
> To: selinux at lists.fedoraproject.org
> Cc: users at ovirt.org
> Sent: Wednesday, October 24, 2012 6:34:07 AM
> Subject: [Users] SELinux policy issue with oVirt/sanlock
> 
> I get the following AVC msg when trying to run a VM from the ovirt
> admin tool:
> 
> type=AVC msg=audit(1351051834.851:720): avc:  denied  { read } for
>  pid=979 comm="sanlock" name="8798edc0-dbd2-466d-8be9-1997f63e196f"
> dev="dm-4" ino=3145737
> scontext=system_u:system_r:sanlock_t:s0-s0:c0.c1023
> tcontext=system_u:object_r:mnt_t:s0 tclass=lnk_file
> 
> The file it is attempting to read I believe (from the sanlock.log
> file) is the following:
> 
> # ls -lZ
> /rhev/data-center/a8ea368c-bc08-4e10-81e7-c8439bf7bd35/8798edc0-dbd2-466d-8be9-1997f63e196f/images/b029b5a6-9eb3-4a34-ad03-1ac4386e8c7c/71252c8f-68a9-495f-b5a6-4e8e035b56ea.lease
> -rw-rw----. vdsm kvm system_u:object_r:nfs_t:s0
>       /rhev/data-center/a8ea368c-bc08-4e10-81e7-c8439bf7bd35/8798edc0-dbd2-466d-8be9-1997f63e196f/images/b029b5a6-9eb3-4a34-ad03-1ac4386e8c7c/71252c8f-68a9-495f-b5a6-4e8e035b56ea.lease

Hi Brian,

please run the following commands and paste your output:

getsetbool -a | grep sanlock

cat /etc/libvirt/qemu.conf


> 
> I'm no SELinux policy expert, so I 'm not sure what is exactly wrong.
> The situation is that the VM image file is stored on an NFS file
> server (in this case, configured using NFSv3). Both the client and
> the server are fc17. The error occurs when trying to start the VM.
> The version of oVirt I am using is a recent nightly build
> (ovirt-engine -> 3.1.0-3.1345126685.git7649eed.fc17). I'd be making
> a wild guess that the sanlock process doesn't have rights to open
> some nfs resources but I'm way over the end of my skis.
> 
> Brian
> 
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