[    1.527981] 9p: Installing v9fs 9p2000 file system support
[    1.528173] ------------[ cut here ]------------
[    1.528174] WARNING: CPU: 1 PID: 791 at mm/page_alloc.c:5356 __alloc_pages+0x1ed/0x290
[    1.528179] Modules linked in: 9p 9pnet_virtio virtio_net net_failover failover virtio_console 9pnet virtio_balloon efivarfs
[    1.528182] CPU: 1 PID: 791 Comm: mount Not tainted 5.15.3-gentoo-x86_64 #1
[    1.528184] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 0.0.0 02/06/2015
[    1.528185] RIP: 0010:__alloc_pages+0x1ed/0x290
[    1.528187] Code: ef 44 89 f6 e8 34 13 00 00 31 ed e9 5b ff ff ff 81 e3 3f ff ff ff 89 d9 89 cb 83 e3 f7 a9 00 00 00 10 0f 44 d9 e9 64 fe ff ff <0f> 0b 31 ed e9 42 ff ff ff 41 89 df 65 8b 05 08 65 9f 69 41 81 cf
[    1.528188] RSP: 0018:ffffb666405039e8 EFLAGS: 00010246
[    1.528189] RAX: c491259349f3ef00 RBX: 0000000000040c40 RCX: 0000000000000000
[    1.528190] RDX: 0000000000000000 RSI: 000000000000000c RDI: 0000000000040c40
[    1.528191] RBP: 000000000000000c R08: 0000000000000090 R09: fffffa3cc0111640
[    1.528192] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000c40
[    1.528192] R13: ffff9fc944459c88 R14: 000000000000000c R15: 0000000000000c40
[    1.528194] FS:  00007ff620e57740(0000) GS:ffff9fc9bbc40000(0000) knlGS:0000000000000000
[    1.528195] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    1.528196] CR2: 00007fcfc14e8000 CR3: 0000000003358000 CR4: 0000000000350ea0
[    1.528198] Call Trace:
[    1.528201]  <TASK>
[    1.528202]  kmalloc_order+0x39/0xf0
[    1.528204]  kmalloc_order_trace+0x13/0x70
[    1.528205]  __kmalloc+0x1fc/0x2b0
[    1.528208]  p9_fcall_init+0x3d/0x60 [9pnet]
[    1.528210]  p9_client_prepare_req+0x82/0x2b0 [9pnet]
[    1.528212]  p9_client_rpc+0x80/0x350 [9pnet]
[    1.528214]  ? p9_virtio_create+0x253/0x2b0 [9pnet_virtio]
[    1.528216]  ? kfree+0x260/0x350
[    1.528217]  p9_client_version+0x60/0x1d0 [9pnet]
[    1.528219]  p9_client_create+0x3b4/0x460 [9pnet]
[    1.528221]  v9fs_session_init+0xab/0x760 [9p]
[    1.528222]  ? user_path_at_empty+0x7b/0x90
[    1.528224]  ? kmem_cache_alloc_trace+0x188/0x260
[    1.528226]  v9fs_mount+0x43/0x2d0 [9p]
[    1.528227]  legacy_get_tree.llvm.612377983374665620+0x22/0x40
[    1.528230]  vfs_get_tree+0x21/0xb0
[    1.528232]  path_mount+0x70d/0xcd0
[    1.528234]  __x64_sys_mount+0x148/0x1c0
[    1.528236]  do_syscall_64+0x4a/0xb0
[    1.528238]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[    1.528240] RIP: 0033:0x7ff620f92d5a
[    1.528241] Code: 48 8b 0d 11 c1 0b 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d de c0 0b 00 f7 d8 64 89 01 48
[    1.528242] RSP: 002b:00007ffe4675f9f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[    1.528244] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff620f92d5a
[    1.528244] RDX: 0000000000541f90 RSI: 0000000000541f40 RDI: 0000000000541f20
[    1.528245] RBP: 0000000000000c00 R08: 00000000005421f0 R09: 00007ffe4675e790
[    1.528246] R10: 0000000000000c00 R11: 0000000000000246 R12: 000000000053d4f0
[    1.528246] R13: 0000000000541f20 R14: 0000000000541f90 R15: 00007ff62109dcf4
[    1.528247]  </TASK>
[    1.528248] ---[ end trace 84f05b2aa35f19b3 ]---

[   90.894853] 9pnet: Limiting 'msize' to 507904 as this is the maximum supported by transport virtio