======================================
| [ 2671.208139][T27133] s0: entered promiscuous mode
| [ 2699.640561][   T58] ------------[ cut here ]------------
| [ 2699.641080][ T58] WARNING: CPU: 3 PID: 58 at mm/page_alloc.c:4221 __alloc_pages_slowpath.constprop.0 (mm/page_alloc.c:4221) 
| [ 2699.641553][   T58] Modules linked in: xfrm_user geneve vxlan act_csum act_pedit cls_flower sch_prio openvswitch psample nf_nat nf_conntrack libcrc32c nf_defrag_ipv6 nf_defrag_ipv4 nsh
[ 2699.642318][   T58] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 2699.642855][ T58] RIP: 0010:__alloc_pages_slowpath.constprop.0 (mm/page_alloc.c:4221) 
[ 2699.643123][ T58] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 d1 02 00 00 f6 43 2d 08 0f 84 8b f0 ff ff 90 <0f> 0b 90 e9 82 f0 ff ff c7 44 24 10 01 00 00 00 e9 a3 fa ff ff 8d
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 08                	jl     0x1f
  17:	84 d2                	test   %dl,%dl
  19:	0f 85 d1 02 00 00    	jne    0x2f0
  1f:	f6 43 2d 08          	testb  $0x8,0x2d(%rbx)
  23:	0f 84 8b f0 ff ff    	je     0xfffffffffffff0b4
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 82 f0 ff ff       	jmp    0xfffffffffffff0b4
  32:	c7 44 24 10 01 00 00 	movl   $0x1,0x10(%rsp)
  39:	00 
  3a:	e9 a3 fa ff ff       	jmp    0xfffffffffffffae2
  3f:	8d                   	.byte 0x8d

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 82 f0 ff ff       	jmp    0xfffffffffffff08a
   8:	c7 44 24 10 01 00 00 	movl   $0x1,0x10(%rsp)
   f:	00 
  10:	e9 a3 fa ff ff       	jmp    0xfffffffffffffab8
  15:	8d                   	.byte 0x8d
[ 2699.643822][   T58] RSP: 0018:ffffc900003ef2e8 EFLAGS: 00010202
[ 2699.644077][   T58] RAX: 0000000000000007 RBX: ffff888005d98040 RCX: 0000000000000002
[ 2699.644322][   T58] RDX: 0000000000000000 RSI: 1ffff9200007de6a RDI: ffff888005d9806c
[ 2699.644706][   T58] RBP: 1ffff9200007de82 R08: 0000000000048c40 R09: 0000000000000001
[ 2699.644952][   T58] R10: ffff88803fffa847 R11: 0000000000000400 R12: ffffc900003ef460
[ 2699.645201][   T58] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000048c40
[ 2699.645735][   T58] FS:  0000000000000000(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[ 2699.646025][   T58] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2699.646231][   T58] CR2: 00007f507e88d840 CR3: 000000001353a001 CR4: 0000000000772ef0
[ 2699.646655][   T58] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2699.646903][   T58] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2699.647143][   T58] PKRU: 55555554
[ 2699.647271][   T58] Call Trace:
[ 2699.647527][   T58]  <TASK>
[ 2699.647618][ T58] ? __alloc_pages_slowpath.constprop.0 (mm/page_alloc.c:4221) 
[ 2699.647826][ T58] ? __warn (kernel/panic.c:748) 
[ 2699.647953][ T58] ? __alloc_pages_slowpath.constprop.0 (mm/page_alloc.c:4221) 
[ 2699.648157][ T58] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 2699.648321][ T58] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 2699.648575][ T58] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 2699.648739][ T58] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 2699.648911][ T58] ? __alloc_pages_slowpath.constprop.0 (mm/page_alloc.c:4221) 
[ 2699.649111][ T58] ? __alloc_pages_slowpath.constprop.0 (mm/page_alloc.c:4465) 
[ 2699.649315][ T58] ? get_page_from_freelist (mm/page_alloc.c:3215 mm/page_alloc.c:3410) 
[ 2699.649613][ T58] ? __pfx___alloc_pages_slowpath.constprop.0 (mm/page_alloc.c:4187) 
[ 2699.649825][ T58] __alloc_pages_noprof (mm/page_alloc.c:4746) 
[ 2699.650012][ T58] ? __pfx___alloc_pages_noprof (mm/page_alloc.c:4699) 
[ 2699.650177][ T58] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 2699.650342][ T58] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 2699.650629][ T58] ? validate_chain (kernel/locking/lockdep.c:3797 kernel/locking/lockdep.c:3817 kernel/locking/lockdep.c:3872) 
[ 2699.650805][ T58] alloc_pages_mpol_noprof (mm/mempolicy.c:2267) 
[ 2699.650996][ T58] ? __pfx_alloc_pages_mpol_noprof (mm/mempolicy.c:2223) 
[ 2699.651206][ T58] ? __lock_acquire (kernel/locking/lockdep.c:5202) 
[ 2699.651503][ T58] allocate_slab (mm/slub.c:2412 mm/slub.c:2586) 
[ 2699.651696][ T58] ___slab_alloc (mm/slub.c:3818 (discriminator 3)) 
[ 2699.651884][   T58]  ? virtio_fs_send_forget+e:

0x10
xae0
0

0
50

x460
/0x3d0


x10
0x810
/0xa40
10
0x630
0

x460
0
/0x410

0x20
0
02
xae0
0
x1580
0
50
0
x550


0x40

0
/0x480
/0x90
60
x4f0
f0


/0x10

0
/0x270

0x1f0

0

0
x30


0 0
0
ges
ly










0
x550


0x40

0
/0x480
/0x90
60
x4f0
f0


/0x10

0
/0x270

0x1f0

0

0
x30

9/0xc0
[ 2719.054053][T27304] s0 (unregistering): left promiscuous mode
[ 2719.493060][T27312] c0 (unregistering): left promiscuous mode
[ 2721.824467][T27318] dropreason: left promiscuous mode
[ 2727.674300][T27361] psample: entered promiscuous mode
[ 2731.538691][T27412] c0: entered promiscuous mode
[ 2732.837846][T27443] s0: entered promiscuous mode
[ 2736.972510][T27506] openvswitch: netlink: Flow actions may not be safe on all matching packets.
[ 2739.129242][T27529] openvswitch: netlink: Flow actions may not be safe on all matching packets.
[ 2741.304703][T27552] openvswitch: netlink: Flow actions may not be safe on all matching packets.
[ 2754.989251][T27695] s0 (unregistering): left promiscuous mode
[ 2755.485215][T27705] c0 (unregistering): left promiscuous mode
[ 2757.532432][T27711] psample: left promiscuous mode


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