virtio-mmio virtiofs panic

[    0.346562] virtiofs virtio2: Cache len: 0x0 @ 0x0
[    0.348653] ------------[ cut here ]------------
[    0.349878] memremap_pages attempted on mixed region [??? 0x00000000-0xffffffffffffffff flags 0x0]
[    0.351975] WARNING: CPU: 2 PID: 1 at memremap_pages+0x2de/0x530
[    0.352467] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 5.5.0-rc1+ #1
[    0.352467] RIP: 0010:memremap_pages+0x2de/0x530
[    0.352467] Code: 48 c7 c0 fc d7 dd 81 48 c7 c6 40 52 c2 81 48 0f 45 d0 49 8d 4c 24 30 48 c7 c7 10 35 e0 81 c6 05 0f 04 e0 00 01 e8 ce a6 e7 ff <0f> 0b e9 87 fe ff ff 48 c7 c7 72 34 e0 81 e8 bb a6 e7 ff 0f 0b 49
[    0.356510] RSP: 0000:ffffc90000007958 EFLAGS: 00010282
[    0.356510] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 00000000000000d4
[    0.360418] RDX: 0000000000000001 RSI: 0000000000000096 RDI: ffffffff8225636c
[    0.362511] RBP: ffffc90000007998 R08: 00000000000000d4 R09: ffffffff8225c4e8
[    0.364456] R10: ffffffff822583a8 R11: ffffc900000077b8 R12: ffff88803dc44518
[    0.364972] R13: fffffffffffffffa R14: 0000000000000001 R15: ffff88803e0fe828
[    0.364972] FS:  0000000000000000(0000) GS:ffff88803ed00000(0000) knlGS:0000000000000000
[    0.368400] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    0.368400] CR2: 00000000ffffffff CR3: 000000000200a001 CR4: 00000000003606a0
[    0.368400] Call Trace:
[    0.368400]  devm_memremap_pages+0x1e/0x60
[    0.372399]  virtio_fs_probe.cold+0x153/0x258
[    0.372399]  virtio_dev_probe+0x158/0x210
[    0.372399]  really_probe+0xe6/0x3c0
[    0.372399]  driver_probe_device+0xb7/0x100
[    0.372399]  __device_attach_driver+0x82/0xe0
[    0.372399]  ? __driver_attach_async_helper+0x90/0x90
[    0.376643]  bus_for_each_drv+0x7f/0xd0
[    0.376643]  __device_attach+0xdc/0x160
[    0.376643]  device_initial_probe+0xe/0x10
[    0.376643]  bus_probe_device+0x8a/0xa0
[    0.380394]  device_add+0x6d6/0x7f0
[    0.380394]  ? vm_unregister_cmdline_device+0x20/0x20
[    0.380394]  register_virtio_device+0xc4/0x120
[    0.380394]  virtio_mmio_probe+0x18c/0x215
[    0.384381]  platform_drv_probe+0x36/0x80
[    0.384381]  really_probe+0x231/0x3c0
[    0.384381]  driver_probe_device+0xb7/0x100
[    0.384381]  device_driver_attach+0x58/0x60
[    0.388380]  __driver_attach+0x64/0x140
[    0.388380]  ? device_driver_attach+0x60/0x60
[    0.388380]  bus_for_each_dev+0x79/0xc0
[    0.388380]  driver_attach+0x19/0x20
[    0.388380]  bus_add_driver+0x13c/0x1e0
[    0.392402]  driver_register+0x6f/0xc1
[    0.392402]  ? dma_channel_table_init+0xcd/0xcd
[    0.392402]  __platform_driver_register+0x31/0x40
[    0.392402]  virtio_mmio_init+0x12/0x14
[    0.396536]  do_one_initcall+0x6d/0x147
[    0.396536]  kernel_init_freeable+0x17b/0x219
[    0.396536]  ? rest_init+0xab/0xab
[    0.396536]  kernel_init+0x9/0xf5
[    0.396536]  ret_from_fork+0x35/0x40
[    0.400428] ---[ end trace c01fbf690e68784a ]---