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zero_device
2010 Jan 05
1
QEMU/KVM: SELinux denial on /dev/zero when starting a VM
Hi,
on an up to date CentOS 5.4 x86_64 (test machine), I systematically
get the following SELinux denial when I start a QEMU/KVM virtual
machine via virt-manager:
SELinux is preventing qemu-kvm (qemu_t) "execute" to /dev/zero (zero_device_t).
(full alert below)
Running the command suggested by the alert (restorecon -v '/dev/zero')
does not solve the problem.
This does not prevent the VM to run, but I would like to better
understand what is happening here and the potential impact on
performance.
And if there is not impact, fi...