======================================
| [ 6289.630870][ T9670] dropreason: entered promiscuous mode
| [ 6297.405481][ T9722] c0: entered promiscuous mode
| [ 6304.678391][ T9769] s0: entered promiscuous mode
| [ 6504.972117][ T9931] perf: page allocation failure: order:6, mode:0x40dc0(GFP_KERNEL|__GFP_COMP|__GFP_ZERO), nodemask=(null),cpuset=/,mems_allowed=0
[ 6504.973135][ T9931] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6504.973492][ T9931] Call Trace:
[ 6504.973617][ T9931]  <TASK>
[ 6504.973703][ T9931] dump_stack_lvl (lib/dump_stack.c:117) 
[ 6504.973874][ T9931] warn_alloc (mm/page_alloc.c:3504) 
[ 6504.973999][ T9931] ? __pfx_warn_alloc (mm/page_alloc.c:3483) 
[ 6504.974170][ T9931] ? __alloc_pages_direct_compact (mm/page_alloc.c:3678) 
[ 6504.974369][ T9931] ? __pfx___alloc_pages_direct_compact (mm/page_alloc.c:3626) 
[ 6504.974573][ T9931] __alloc_pages_slowpath.constprop.0 (mm/page_alloc.c:4426) 
[ 6504.975150][ T9931] ? get_page_from_freelist (mm/page_alloc.c:3181 mm/page_alloc.c:3374) 
[ 6504.975313][ T9931] ? __pfx___alloc_pages_slowpath.constprop.0 (mm/page_alloc.c:4154) 
[ 6504.975521][ T9931] __alloc_pages_noprof (mm/page_alloc.c:4696) 
[ 6504.975683][ T9931] ? __pfx___alloc_pages_noprof (mm/page_alloc.c:4649) 
[ 6504.975844][ T9931] ? 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) 
[ 6504.976003][ T9931] ? validate_chain (./include/linux/hash.h:78 kernel/locking/lockdep.c:3759 kernel/locking/lockdep.c:3782 kernel/locking/lockdep.c:3837) 
[ 6504.976204][ T9931] ? 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) 
[ 6504.976367][ T9931] ? validate_chain (./include/linux/hash.h:78 kernel/locking/lockdep.c:3759 kernel/locking/lockdep.c:3782 kernel/locking/lockdep.c:3837) 
[ 6504.976532][ T9931] ? v9fs_alloc_rdir_buf.isra.0 (fs/9p/vfs_dir.c:73) 
[ 6504.976696][ T9931] __kmalloc_large_node (./include/linux/gfp.h:269 ./include/linux/gfp.h:296 mm/slub.c:4068) 
[ 6504.976864][ T9931] ? v9fs_alloc_rdir_buf.isra.0 (fs/9p/vfs_dir.c:73) 
[ 6504.977027][ T9931] __kmalloc_noprof (./arch/x86/include/asm/bitops.h:417 ./include/asm-generic/getorder.h:46 mm/slub.c:4113 mm/slub.c:4136) 
[ 6504.977196][ T9931] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) 
[ 6504.977337][ T9931] ? 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) 
[ 6504.977497][ T9931] v9fs_alloc_rdir_buf.isra.0 (fs/9p/vfs_dir.c:73) 
[ 6504.977659][ T9931] v9fs_dir_readdir_dotl (fs/9p/vfs_dir.c:160) 
[ 6504.977828][ T9931] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) 
[ 6504.977995][ T9931] ? __pfx_v9fs_dir_readdir_dotl (fs/9p/vfs_dir.c:148) 
[ 6504.978187][ T9931] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) 
[ 6504.978344][ T9931] ? iterate_dir (fs/readdir.c:103) 
[ 6504.978512][ T9931] ? 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) 
[ 6504.978673][ T9931] ? __pfx_rwsem_read_trylock (kernel/locking/rwsem.c:242) 
[ 6504.978837][ T9931] ? iterate_dir (fs/readdir.c:103) 
[ 6504.979063][ T9931] ? lock_acquire (kernel/locking/lockdep.c:5727) 
[ 6504.979279][ T9931] ? iterate_dir (fs/readdir.c:103) 
[ 6504.979499][ T9931] ? down_read_killable (kernel/locking/rwsem.c:1249 kernel/locking/rwsem.c:1273 kernel/locking/rwsem.c:1551) 
[ 6504.979708][ T9931] ? iterate_dir (fs/readdir.c:103) 
[ 6504.979867][ T9931] ? __pfx_down_read_killable (kernel/locking/rwsem.c:1547) 
[ 6504.980022][ T9931] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) 
[ 6504.980177][ T9931] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[ 6504.980342][ T9931] iterate_dir (fs/readdir.c:110) 
[ 6504.980502][ T9931] ovl_iterate (fs/overlayfs/readdir.c:775) 
[ 6504.980660][ T9931] ? wrap_directory_iterator (fs/readdir.c:56) 
[ 6504.980816][ T9931] ? __pfx_ovl_iterate (fs/overlayfs/readdir.c:751) 
[ 6504.980976][ T9931] ? __pfx_ovl_iterate (fs/overlayfs/readdir.c:751) 
[ 6504.981130][ T9931] wrap_directory_iterator (fs/readdir.c:67) 
[ 6504.981289][ T9931] iterate_dir (fs/readdir.c:110) 
[ 6504.981447][ T9931] __x64_sys_getdents64 (fs/readdir.c:410 fs/readdir.c:394 fs/readdir.c:394) 
[ 6504.981600][ T9931] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[ 6504.981756][ T9931] ? __pfx___x64_sys_getdents64 (fs/readdir.c:394) 
[ 6504.981912][ T9931] ? __pfx_filldir64 (fs/readdir.c:352) 
[ 6504.982073][ T9931] ? do_user_addr_fault (./include/linux/rcupdate.h:814 ./include/linux/mm.h:708 arch/x86/mm/fault.c:1340) 
[ 6504.982235][ T9931] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 6504.982395][ T9931] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 6504.982589][ T9931] RIP: 0033:0x7fa0d85bd5b7
[ 6504.982752][ T9931] 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
[ 6504.983461][ T9931] RSP: 002b:00007ffce3887238 EFLAGS: 00000293 ORIG_RAX: 00000000000000d9
[ 6504.983733][ T9931] RAX: ffffffffffffffda RBX: 00007fa0d7f82040 RCX: 00007fa0d85bd5b7
[ 6504.983966][ T9931] RDX: 0000000000020000 RSI: 00007fa0d7f82040 RDI: 0000000000000008
[ 6504.984205][ T9931] RBP: 00007fa0d7f82014 R08: 00007fa0d7f82010 R09: 0000000000000000
[ 6504.984436][ T9931] R10: 0000000000000022 R11: 0000000000000293 R12: ffffffffffffff38


Finger prints:
warn_alloc:__alloc_pages_noprof:__kmalloc_large_node:__kmalloc_noprof:v9fs_dir_readdir_dotl