[Virtio-fs] [virtiofsd] Issue opened: virtiofsd crashes on ppc64le

[virtiofs-bot at sinrega.org]

On running kata-containers with virtio-fs on `ppc64le`, the daemon crashes
```
kata5 kernel: virtiofsd[2972424]: segfault (11) at ffffffffffff7fa8 nip 10000408 lr 0 code 3 in virtiofsd[10000000+100000]
kata5 kernel: virtiofsd[2972424]: code: 000000f8 00000000 100bba70 00000000 1010fbf8 00000000 000000f8 00000000
kernel: virtiofsd[2972424]: code: 100b0a30 00000000 f8410018 3d82ffff <e98c7fa8> 7d8903a6 4e800420 00000000

```

Error from qemu
```
containerd[2955383]: time="2022-06-01T03:52:16.097442066-04:00" level=debug msg="qemu-system-ppc64: -device vhost-user-fs-pci,chardev=char-fda46e8b9aef8bfb,tag=kataShared: Failed to read msg header. Read 0 instead of 12. Original request 1." name=containerd-shim-v2 pid=2972415 sandbox=qwert source=virtcontainers/hypervisor subsystem=qemu
containerd[2955383]: time="2022-06-01T03:52:16.097475126-04:00" level=debug msg="qemu-system-ppc64: -device vhost-user-fs-pci,chardev=char-fda46e8b9aef8bfb,tag=kataShared: vhost_backend_init failed: Protocol error" name=containerd-shim-v2 pid=2972415 sandbox=qwert source=virtcontainers/hypervisor subsystem=qemu

```
```
# qemu-system-ppc64le --version
QEMU emulator version 6.2.0 (v6.2.0-dirty)
```

Hoping to get help on debugging and resolving this issue :)
---
https://gitlab.com/virtio-fs/virtiofsd/-/issues/50