======================================
| [ 3937.426875][T19951] c0: entered promiscuous mode
| [ 3945.142762][T19997] s0: entered promiscuous mode
| [ 4247.162525][T20168] s0 (unregistering): left promiscuous mode
| [ 4247.240352][  T131] systemd-udevd: page allocation failure: order:6, mode:0x40dc0(GFP_KERNEL|__GFP_COMP|__GFP_ZERO), nodemask=(null),cpuset=/,mems_allowed=0
[ 4247.242004][  T131] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 4247.242376][  T131] Call Trace:
[ 4247.242509][  T131]  <TASK>
[ 4247.242600][ T131] dump_stack_lvl (lib/dump_stack.c:123) 
[ 4247.242789][ T131] warn_alloc (mm/page_alloc.c:3532) 
[ 4247.242924][ T131] ? __pfx_warn_alloc (mm/page_alloc.c:3511) 
[ 4247.243104][ T131] ? __alloc_pages_direct_compact (mm/page_alloc.c:3706) 
[ 4247.243352][ T131] ? __pfx___alloc_pages_direct_compact (mm/page_alloc.c:3654) 
[ 4247.243566][ T131] __alloc_pages_slowpath.constprop.0 (mm/page_alloc.c:4465) 
[ 4247.243784][ T131] ? get_page_from_freelist (mm/page_alloc.c:3215 mm/page_alloc.c:3410) 
[ 4247.243960][ T131] ? __pfx___alloc_pages_slowpath.constprop.0 (mm/page_alloc.c:4187) 
[ 4247.244195][ T131] __alloc_pages_noprof (mm/page_alloc.c:4746) 
[ 4247.244368][ T131] ? __pfx___alloc_pages_noprof (mm/page_alloc.c:4699) 
[ 4247.244537][ T131] ? mark_lock (kernel/locking/lockdep.c:4703 (discriminator 3)) 
[ 4247.244686][ T131] ? __lock_acquire (kernel/locking/lockdep.c:5202) 
[ 4247.244855][ T131] ? v9fs_alloc_rdir_buf.isra.0 (fs/9p/vfs_dir.c:73) 
[ 4247.245018][ T131] ___kmalloc_large_node (./include/linux/gfp.h:269 ./include/linux/gfp.h:296 mm/slub.c:4209) 
[ 4247.245212][ T131] ? v9fs_alloc_rdir_buf.isra.0 (fs/9p/vfs_dir.c:73) 
[ 4247.245377][ T131] __kmalloc_large_node_noprof (./arch/x86/include/asm/bitops.h:417 ./include/asm-generic/getorder.h:46 mm/slub.c:4238) 
[ 4247.245553][ T131] __kmalloc_noprof (./arch/x86/include/asm/bitops.h:417 ./include/asm-generic/getorder.h:46 mm/slub.c:4254 mm/slub.c:4276) 
[ 4247.245714][ T131] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228) 
[ 4247.245894][ T131] v9fs_alloc_rdir_buf.isra.0 (fs/9p/vfs_dir.c:73) 
[ 4247.246054][ T131] v9fs_dir_readdir_dotl (fs/9p/vfs_dir.c:170) 
[ 4247.246233][ T131] ? __lock_acquire (kernel/locking/lockdep.c:5202) 
[ 4247.246434][ T131] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860) 
[ 4247.246593][ T131] ? __pfx_v9fs_dir_readdir_dotl (fs/9p/vfs_dir.c:158) 
[ 4247.246793][ T131] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5827) 
[ 4247.246966][ T131] ? iterate_dir (fs/readdir.c:101) 
[ 4247.247141][ T131] ? rwsem_read_trylock (./arch/x86/include/asm/atomic64_64.h:20 ./include/linux/atomic/atomic-arch-fallback.h:2629 ./include/linux/atomic/atomic-long.h:79 ./include/linux/atomic/atomic-instrumented.h:3224 kernel/locking/rwsem.c:176 kernel/locking/rwsem.c:181 kernel/locking/rwsem.c:256 kernel/locking/rwsem.c:248) 
[ 4247.247326][ T131] ? __pfx_rwsem_read_trylock (kernel/locking/rwsem.c:249) 
[ 4247.247487][ T131] ? iterate_dir (fs/readdir.c:101) 
[ 4247.247666][ T131] ? lock_acquire (kernel/locking/lockdep.c:5798) 
[ 4247.247823][ T131] ? iterate_dir (fs/readdir.c:101) 
[ 4247.247997][ T131] ? down_read_killable (kernel/locking/rwsem.c:1247 kernel/locking/rwsem.c:1271 kernel/locking/rwsem.c:1549) 
[ 4247.248176][ T131] ? iterate_dir (fs/readdir.c:101) 
[ 4247.248338][ T131] ? __pfx_down_read_killable (kernel/locking/rwsem.c:1545) 
[ 4247.248508][ T131] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5790) 
[ 4247.248683][ T131] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[ 4247.248858][ T131] iterate_dir (fs/readdir.c:108) 
[ 4247.249046][ T131] ovl_iterate (fs/overlayfs/readdir.c:775) 
[ 4247.249224][ T131] ? wrap_directory_iterator (fs/readdir.c:54) 
[ 4247.249401][ T131] ? __pfx_ovl_iterate (fs/overlayfs/readdir.c:751) 
[ 4247.249563][ T131] ? __pfx_ovl_iterate (fs/overlayfs/readdir.c:751) 
[ 4247.249730][ T131] wrap_directory_iterator (fs/readdir.c:65) 
[ 4247.249907][ T131] iterate_dir (fs/readdir.c:108) 
[ 4247.250074][ T131] __x64_sys_getdents64 (fs/readdir.c:408 fs/readdir.c:392 fs/readdir.c:392) 
[ 4247.250254][ T131] ? __pfx___x64_sys_getdents64 (fs/readdir.c:392) 
[ 4247.250443][ T131] ? __pfx_filldir64 (fs/readdir.c:350) 
[ 4247.250607][ T131] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) 
[ 4247.250828][ T131] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 4247.250993][ T131] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 4247.251245][  T131] RIP: 0033:0x7fe832aae5b7
[ 4247.251436][ T131] Code: 80 f8 ff 4c 89 e0 5b 5d 41 5c c3 0f 1f 84 00 00 00 00 00 f3 0f 1e fa b8 ff ff ff 7f 48 39 c2 48 0f 47 d0 b8 d9 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 19 48 0e 00 f7 d8 64 89 02 48
All code
========
   0:	80 f8 ff             	cmp    $0xff,%al
   3:	4c 89 e0             	mov    %r12,%rax
   6:	5b                   	pop    %rbx
   7:	5d                   	pop    %rbp
   8:	41 5c                	pop    %r12
   a:	c3                   	ret
   b:	0f 1f 84 00 00 00 00 	nopl   0x0(%rax,%rax,1)
  12:	00 
  13:	f3 0f 1e fa          	endbr64
  17:	b8 ff ff ff 7f       	mov    $0x7fffffff,%eax
  1c:	48 39 c2             	cmp    %rax,%rdx
  1f:	48 0f 47 d0          	cmova  %rax,%rdx
  23:	b8 d9 00 00 00       	mov    $0xd9,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 01                	ja     0x33
  32:	c3                   	ret
  33:	48 8b 15 19 48 0e 00 	mov    0xe4819(%rip),%rdx        # 0xe4853
  3a:	f7 d8                	neg    %eax
  3c:	64 89 02             	mov    %eax,%fs:(%rdx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 01                	ja     0x9
   8:	c3                   	ret
   9:	48 8b 15 19 48 0e 00 	mov    0xe4819(%rip),%rdx        # 0xe4829
  10:	f7 d8                	neg    %eax
  12:	64 89 02             	mov    %eax,%fs:(%rdx)
  15:	48                   	rex.W
[ 4247.251994][  T131] RSP: 002b:00007ffe5b7ba3e8 EFLAGS: 00000293 ORIG_RAX: 00000000000000d9
[ 4247.252246][  T131] RAX: ffffffffffffffda RBX: 0000558c2dd21b80 RCX: 00007fe832aae5b7
[ 4247.252503][  T131] RDX: 0000000000020000 RSI: 0000558c2dd21b80 RDI: 000000000000000b
[ 4247.252753][  T131] RBP: 0000558c2dd21b54 R08: 0000000000000003 R09: 000000000000007b
[ 4247.253010][  T131] R10: 000000000000015b R11: 0000000000000293 R12: fffffffffffffe98


Finger prints:
warn_alloc:__alloc_pages_noprof:___kmalloc_large_node:__kmalloc_large_node_noprof:__kmalloc_noprof