======================================
| [   27.744834][  T333] ip (333) used greatest stack depth: 23264 bytes left
| [   36.797657][    C2] ------------[ cut here ]------------
| [ 36.798199][ C2] WARNING: CPU: 2 PID: 403 at ./include/linux/skbuff.h:1164 icmp_route_lookup.constprop.0 (./include/linux/skbuff.h:1164 ./include/linux/skbuff.h:1178 net/ipv4/icmp.c:548) 
| [   36.798875][    C2] Modules linked in: openvswitch psample nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nsh
[   36.800224][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 36.800672][ C2] RIP: 0010:icmp_route_lookup.constprop.0 (./include/linux/skbuff.h:1164 ./include/linux/skbuff.h:1178 net/ipv4/icmp.c:548) 
[ 36.801112][ C2] Code: ea 03 80 3c 02 00 0f 85 4f 05 00 00 49 8b 44 24 58 48 89 44 24 08 a8 01 0f 85 39 02 00 00 48 f7 44 24 08 fe ff ff ff 74 04 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 4c 89 da 48 c1 ea 03 80 3c
All code
========
   0:	ea                   	(bad)
   1:	03 80 3c 02 00 0f    	add    0xf00023c(%rax),%eax
   7:	85 4f 05             	test   %ecx,0x5(%rdi)
   a:	00 00                	add    %al,(%rax)
   c:	49 8b 44 24 58       	mov    0x58(%r12),%rax
  11:	48 89 44 24 08       	mov    %rax,0x8(%rsp)
  16:	a8 01                	test   $0x1,%al
  18:	0f 85 39 02 00 00    	jne    0x257
  1e:	48 f7 44 24 08 fe ff 	testq  $0xfffffffffffffffe,0x8(%rsp)
  25:	ff ff 
  27:	74 04                	je     0x2d
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	4c 89 da             	mov    %r11,%rdx
  3a:	48 c1 ea 03          	shr    $0x3,%rdx
  3e:	80                   	.byte 0x80
  3f:	3c                   	.byte 0x3c

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	4c 89 da             	mov    %r11,%rdx
  10:	48 c1 ea 03          	shr    $0x3,%rdx
  14:	80                   	.byte 0x80
  15:	3c                   	.byte 0x3c
[   36.802504][    C2] RSP: 0018:ffffc90000218710 EFLAGS: 00010286
[   36.803192][    C2] RAX: ffff888010f3c4c0 RBX: 1ffff920000430e6 RCX: 0000000000000002
[   36.803842][    C2] RDX: 1ffff11002077b23 RSI: ffffffffa6f123fb RDI: ffffc900002187c2
[   36.804361][    C2] RBP: ffff88800a3b55c0 R08: 0000000000000001 R09: ffff888010f3c640
[   36.805032][    C2] R10: ffffe8ffffd0ef7f R11: ffff8880103bd918 R12: ffff8880103bd8c0
[   36.805847][    C2] R13: ffffc900002189c0 R14: ffff888010f3c7c0 R15: ffffc90000218750
[   36.806506][    C2] FS:  00007f36d7f36300(0000) GS:ffff8880c3a92000(0000) knlGS:0000000000000000
[   36.807151][    C2] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.807638][    C2] CR2: 00007f36d81868b0 CR3: 00000000147a8005 CR4: 0000000000772ef0
[   36.808390][    C2] PKRU: 55555554
[   36.808736][    C2] Call Trace:
[   36.809014][    C2]  <IRQ>
[ 36.809260][ C2] ? mark_lock (kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:4762) 
[ 36.809688][ C2] ? __pfx_icmp_route_lookup.constprop.0 (net/ipv4/icmp.c:480) 
[ 36.810259][ C2] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.810665][ C2] ? __ip_options_echo (net/ipv4/ip_options.c:86) 
[ 36.811082][ C2] ? __icmp_send (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/ipv4/icmp.c:718) 
[ 36.811478][ C2] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.811921][ C2] __icmp_send (net/ipv4/icmp.c:746) 
[ 36.812294][ C2] ? ip_push_pending_frames (./include/net/dst.h:461 net/ipv4/ip_output.c:129 net/ipv4/ip_output.c:1501 net/ipv4/ip_output.c:1521) 
[ 36.812650][ C2] ? __pfx___icmp_send (net/ipv4/icmp.c:596) 
[ 36.813029][ C2] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.813369][ C2] ? ip_dst_mtu_maybe_forward.constprop.0 (./include/linux/rcupdate.h:873 ./include/net/ip.h:501) 
[ 36.813793][ C2] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.814336][ C2] ? ip_dst_mtu_maybe_forward.constprop.0 (./include/linux/rcupdate.h:873 ./include/net/ip.h:501) 
[ 36.814977][ C2] ip_forward (net/ipv4/ip_forward.c:139) 
[ 36.815330][ C2] ip_rcv (./include/net/dst.h:471 ./include/net/dst.h:469 net/ipv4/ip_input.c:454 ./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:574) 
[ 36.815661][ C2] ? __pfx_ip_rcv (net/ipv4/ip_input.c:567) 
[ 36.816077][ C2] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 36.816486][ C2] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 36.816921][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.817287][ C2] ? __pfx_ip_rcv (net/ipv4/ip_input.c:567) 
[ 36.817634][ C2] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6442) 
[ 36.818049][ C2] __netif_receive_skb_one_core (net/core/dev.c:5979 (discriminator 4)) 
[ 36.818478][ C2] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5972) 
[ 36.819018][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.819361][ C2] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 36.819767][ C2] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6442) 
[ 36.820173][ C2] process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6445) 
[ 36.820530][ C2] __napi_poll.constprop.0 (net/core/dev.c:7482) 
[ 36.820943][ C2] net_rx_action (net/core/dev.c:7546 net/core/dev.c:7673) 
[ 36.821348][ C2] ? __pfx_net_rx_action (net/core/dev.c:7635) 
[ 36.821730][ C2] ? clockevents_program_event (kernel/time/clockevents.c:326) 
[ 36.822329][ C2] ? lock_downgrade (kernel/locking/lockdep.c:468 kernel/locking/lockdep.c:5763) 
[ 36.822831][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:95 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) 
[ 36.823186][ C2] ? ktime_get (kernel/time/timekeeping.c:251 (discriminator 4) kernel/time/timekeeping.c:360 (discriminator 4) kernel/time/timekeeping.c:778 (discriminator 4)) 
[ 36.823594][ C2] ? clockevents_program_event (kernel/time/clockevents.c:334 (discriminator 3)) 
[ 36.824122][ C2] handle_softirqs (kernel/softirq.c:580) 
[ 36.824554][ C2] ? __neigh_event_send (./include/linux/bottom_half.h:33 net/core/neighbour.c:1240) 
[ 36.824985][ C2] do_softirq (kernel/softirq.c:480 kernel/softirq.c:467) 
[   36.825331][    C2]  </IRQ>
[   36.825532][    C2]  <TASK>
[ 36.825719][ C2] __local_bh_enable_ip (kernel/softirq.c:407) 
[ 36.826138][ C2] __neigh_event_send (net/core/neighbour.c:1241) 
[ 36.826501][ C2] neigh_resolve_output (net/core/neighbour.c:1545) 
[ 36.826863][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:412) 
[ 36.827456][ C2] ? ___neigh_create (net/core/neighbour.c:693) 
[ 36.827952][ C2] ip_finish_output2 (./include/net/neighbour.h:547 net/ipv4/ip_output.c:235) 
[ 36.828377][ C2] ? ip_skb_dst_mtu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/ip.h:501 ./include/net/ip.h:515) 
[ 36.828741][ C2] ? __pfx_ip_finish_output2 (net/ipv4/ip_output.c:199) 
[ 36.829101][ C2] ? __ip_finish_output (./include/linux/skbuff.h:1685 ./include/linux/skbuff.h:5079 net/ipv4/ip_output.c:307 net/ipv4/ip_output.c:295) 
[ 36.829542][ C2] ip_output (./include/linux/netfilter.h:306 net/ipv4/ip_output.c:433) 
[ 36.829817][ C2] ? __ip_local_out (net/ipv4/ip_output.c:96 net/ipv4/ip_output.c:107) 
[ 36.830386][ C2] ? __pfx_ip_output (net/ipv4/ip_output.c:427) 
[ 36.830791][ C2] ? __ip_make_skb (net/ipv4/ip_output.c:1382 net/ipv4/ip_output.c:1492) 
[ 36.831168][ C2] ? __pfx_raw_getfrag (net/ipv4/raw.c:453) 
[ 36.831531][ C2] ? ip_append_data (net/ipv4/ip_output.c:1371 net/ipv4/ip_output.c:1350) 
[ 36.831925][ C2] ip_push_pending_frames (./include/net/dst.h:461 net/ipv4/ip_output.c:129 net/ipv4/ip_output.c:1501 net/ipv4/ip_output.c:1521) 
[ 36.832279][ C2] raw_sendmsg (net/ipv4/raw.c:658) 
[ 36.832644][ C2] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.833006][ C2] ? __pfx_raw_sendmsg (net/ipv4/raw.c:483) 
[ 36.833356][ C2] ? do_fault_around (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/memory.c:5551) 
[ 36.833715][ C2] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.834109][ C2] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.834460][ C2] ? __might_fault (mm/memory.c:6971 mm/memory.c:6965) 
[ 36.834870][ C2] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.835371][ C2] ? __might_fault (mm/memory.c:6971 mm/memory.c:6965) 
[ 36.835739][ C2] __sys_sendto (net/socket.c:714 net/socket.c:729 net/socket.c:2228) 
[ 36.836101][ C2] ? __pfx___sys_sendto (net/socket.c:2195) 
[ 36.836463][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.836931][ C2] ? rseq_update_cpu_node_id (kernel/rseq.c:189 (discriminator 10)) 
[ 36.837296][ C2] ? __rseq_handle_notify_resume (kernel/rseq.c:442) 
[ 36.837757][ C2] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:425) 
[ 36.838210][ C2] __x64_sys_sendto (net/socket.c:2231) 
[ 36.838571][ C2] ? do_syscall_64 (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 ./include/linux/entry-common.h:199 arch/x86/entry/syscall_64.c:90) 
[ 36.839080][ C2] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 36.839434][ C2] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 36.839799][ C2] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.840249][    C2] RIP: 0033:0x7f36d81cd28a
[ 36.840634][ C2] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   36.841985][    C2] RSP: 002b:00007ffdb37c47a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   36.842532][    C2] RAX: ffffffffffffffda RBX: 0000000000000708 RCX: 00007f36d81cd28a
[   36.843131][    C2] RDX: 0000000000000710 RSI: 000000001e4e33f0 RDI: 0000000000000005
[   36.843730][    C2] RBP: 00007ffdb37c4800 R08: 00000000004185e0 R09: 0000000000000010
[   36.844383][    C2] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000724


Finger prints:
__icmp_send:ip_forward:ip_rcv:__netif_receive_skb_one_core:process_backlog