Better error for attaching a PCI device to dom0

Previously, this would result in an internal error in qubesd.
QubesOS · Dec 31, 2021 · 0918fc8 · 0918fc8
1 parent 069970e
commit 0918fc8
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/qubes/ext/pci.py b/qubes/ext/pci.py
@@ -226,6 +226,9 @@ def on_device_pre_attached_pci(self, vm, event, device, options):
             raise qubes.exc.QubesException(
                 'Invalid PCI device: {}'.format(device.ident))
 
+        if isinstance(vm, qubes.vm.adminvm.AdminVM):
+            raise qubes.exc.QubesException("Can't attach PCI device to dom0")
+
         if vm.virt_mode == 'pvh':
             raise qubes.exc.QubesException(
                 "Can't attach PCI device to VM in pvh mode")