======================================
| [ 3628.994019][T20160] c0: entered promiscuous mode
| [ 3635.945773][T20207] s0: entered promiscuous mode
| [ 3877.284938][T20378] s0 (unregistering): left promiscuous mode
| [ 3877.355661][  T131] systemd-udevd: page allocation failure: order:6, mode:0x40dc0(GFP_KERNEL|__GFP_COMP|__GFP_ZERO), nodemask=(null),cpuset=/,mems_allowed=0
[ 3877.356575][  T131] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 3877.356917][  T131] Call Trace:
[ 3877.357052][  T131]  <TASK>
[ 3877.357134][ T131] dump_stack_lvl (lib/dump_stack.c:122) 
[ 3877.357301][ T131] warn_alloc (mm/page_alloc.c:3516) 
[ 3877.357421][ T131] ? __pfx_warn_alloc (mm/page_alloc.c:3495) 
[ 3877.357739][ T131] ? __alloc_pages_direct_compact (mm/page_alloc.c:3690) 
[ 3877.357934][ T131] ? __pfx___alloc_pages_direct_compact (mm/page_alloc.c:3638) 
[ 3877.358133][ T131] __alloc_pages_slowpath.constprop.0 (mm/page_alloc.c:4438) 
[ 3877.358330][ T131] ? get_page_from_freelist (mm/page_alloc.c:3195 mm/page_alloc.c:3390) 
[ 3877.358485][ T131] ? __pfx___alloc_pages_slowpath.constprop.0 (mm/page_alloc.c:4166) 
[ 3877.358695][ T131] __alloc_pages_noprof (mm/page_alloc.c:4708) 
[ 3877.358846][ T131] ? __pfx___alloc_pages_noprof (mm/page_alloc.c:4661) 
[ 3877.358995][ T131] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 3877.359158][ T131] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 3877.359316][ T131] ? v9fs_alloc_rdir_buf.isra.0 (fs/9p/vfs_dir.c:73) 
[ 3877.359470][ T131] ___kmalloc_large_node (./include/linux/gfp.h:269 ./include/linux/gfp.h:296 mm/slub.c:4103) 
[ 3877.359634][ T131] ? register_lock_class (kernel/locking/lockdep.c:1283 (discriminator 13)) 
[ 3877.359790][ T131] ? v9fs_alloc_rdir_buf.isra.0 (fs/9p/vfs_dir.c:73) 
[ 3877.359938][ T131] __kmalloc_large_node_noprof (./arch/x86/include/asm/bitops.h:417 ./include/asm-generic/getorder.h:46 mm/slub.c:4132) 
[ 3877.360092][ T131] __kmalloc_noprof (./arch/x86/include/asm/bitops.h:417 ./include/asm-generic/getorder.h:46 mm/slub.c:4148 mm/slub.c:4170) 
[ 3877.360243][ T131] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 3877.360358][ T131] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 3877.360512][ T131] v9fs_alloc_rdir_buf.isra.0 (fs/9p/vfs_dir.c:73) 
[ 3877.360667][ T131] v9fs_dir_readdir_dotl (fs/9p/vfs_dir.c:160) 
[ 3877.360823][ T131] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 3877.360974][ T131] ? __pfx_v9fs_dir_readdir_dotl (fs/9p/vfs_dir.c:148) 
[ 3877.361163][ T131] ? lock_acquire.part.0 (kernel/locking/lockdep.c:466 kernel/locking/lockdep.c:5761) 
[ 3877.361312][ T131] ? iterate_dir (fs/readdir.c:101) 
[ 3877.361469][ 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:249 kernel/locking/rwsem.c:241) 
[ 3877.361622][ T131] ? __pfx_rwsem_read_trylock (kernel/locking/rwsem.c:242) 
[ 3877.361800][ T131] ? iterate_dir (fs/readdir.c:101) 
[ 3877.361951][ T131] ? lock_acquire (kernel/locking/lockdep.c:5732) 
[ 3877.362100][ T131] ? iterate_dir (fs/readdir.c:101) 
[ 3877.362260][ T131] ? down_read_killable (kernel/locking/rwsem.c:1249 kernel/locking/rwsem.c:1273 kernel/locking/rwsem.c:1551) 
[ 3877.362412][ T131] ? iterate_dir (fs/readdir.c:101) 
[ 3877.362570][ T131] ? __pfx_down_read_killable (kernel/locking/rwsem.c:1547) 
[ 3877.362720][ T131] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5724) 
[ 3877.362884][ T131] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[ 3877.363062][ T131] iterate_dir (fs/readdir.c:108) 
[ 3877.363233][ T131] ovl_iterate (fs/overlayfs/readdir.c:775) 
[ 3877.363403][ T131] ? wrap_directory_iterator (fs/readdir.c:54) 
[ 3877.363582][ T131] ? __pfx_ovl_iterate (fs/overlayfs/readdir.c:751) 
[ 3877.363753][ T131] ? __pfx_ovl_iterate (fs/overlayfs/readdir.c:751) 
[ 3877.363921][ T131] wrap_directory_iterator (fs/readdir.c:65) 
[ 3877.364091][ T131] iterate_dir (fs/readdir.c:108) 
[ 3877.364263][ T131] __x64_sys_getdents64 (fs/readdir.c:408 fs/readdir.c:392 fs/readdir.c:392) 
[ 3877.364433][ T131] ? __pfx___x64_sys_getdents64 (fs/readdir.c:392) 
[ 3877.364607][ T131] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 3877.364812][ T131] ? __pfx_filldir64 (fs/readdir.c:350) 
[ 3877.364991][ T131] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 3877.365168][ T131] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 3877.365378][  T131] RIP: 0033:0x7fc778c5a5b7
[ 3877.365558][ 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
[ 3877.366140][  T131] RSP: 002b:00007ffd5b770768 EFLAGS: 00000293 ORIG_RAX: 00000000000000d9
[ 3877.366389][  T131] RAX: ffffffffffffffda RBX: 0000560ce8a307f0 RCX: 00007fc778c5a5b7
[ 3877.366624][  T131] RDX: 0000000000020000 RSI: 0000560ce8a307f0 RDI: 000000000000000b
[ 3877.366853][  T131] RBP: 0000560ce8a307c4 R08: 0000000000000003 R09: 000000000000007b
[ 3877.367095][  T131] R10: 000000000000015b R11: 0000000000000293 R12: fffffffffffffe98


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