graphic: 0.885
device: 0.865
network: 0.425
KVM: 0.417
vnc: 0.326
instruction: 0.325
semantic: 0.274
mistranslation: 0.270
boot: 0.204
other: 0.040
assembly: 0.037
socket: 0.035

Guest freezes if memory backing using memfd/shared/
Description of problem:
Guest VM freezes with the following memory backing is set. Required to for virtiofs, but just setting the following the guest will freeze in around 2hours, no logs or errors generate.

  <memoryBacking>
    <source type='memfd'/>
    <access mode='shared'/>
  </memoryBacking>
Steps to reproduce:
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Additional information: