======================================
| xx__-> [   16.599747][  T252] ip (252) used greatest stack depth: 23696 bytes left
| [   22.643021][    C2] ------------[ cut here ]------------
| [ 22.643546][ C2] WARNING: CPU: 2 PID: 291 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) 
| [   22.644240][    C2] Modules linked in: nf_conntrack_netlink nft_ct nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nf_tables veth
[   22.645707][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 22.646163][ C2] RIP: 0010:icmp_route_lookup.constprop.0 (./include/linux/skbuff.h:1164 ./include/linux/skbuff.h:1178 net/ipv4/icmp.c:548) 
[ 22.646615][ C2] Code: c1 ea 03 80 3c 02 00 0f 85 2c 05 00 00 48 8b 45 58 48 89 44 24 08 a8 01 0f 85 35 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:	c1 ea 03             	shr    $0x3,%edx
   3:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1)
   7:	0f 85 2c 05 00 00    	jne    0x539
   d:	48 8b 45 58          	mov    0x58(%rbp),%rax
  11:	48 89 44 24 08       	mov    %rax,0x8(%rsp)
  16:	a8 01                	test   $0x1,%al
  18:	0f 85 35 02 00 00    	jne    0x253
  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
[   22.647886][    C2] RSP: 0018:ffffc900002186b8 EFLAGS: 00010286
[   22.648358][    C2] RAX: ffff88800a0027c0 RBX: 1ffff920000430db RCX: 0000000000000002
[   22.648871][    C2] RDX: 1ffff11001647030 RSI: ffffffff9dca1d68 RDI: ffffc9000021876a
[   22.649392][    C2] RBP: ffff88800b238128 R08: 0000000000000001 R09: ffff88800a002340
[   22.649905][    C2] R10: ffffe8ffffd03b17 R11: ffff88800b238180 R12: ffff888004f09bc0
[   22.650433][    C2] R13: ffffc90000218968 R14: ffff88800a002940 R15: ffffc900002186f8
[   22.650962][    C2] FS:  00007fe53447c740(0000) GS:ffff8880965a4000(0000) knlGS:0000000000000000
[   22.651562][    C2] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.652005][    C2] CR2: 00007fe5345f9730 CR3: 0000000004dad003 CR4: 0000000000772ef0
[   22.652528][    C2] PKRU: 55555554
[   22.652796][    C2] Call Trace:
[   22.653071][    C2]  <IRQ>
[ 22.653267][ C2] ? __pfx_icmp_route_lookup.constprop.0 (net/ipv4/icmp.c:480) 
[ 22.653719][ C2] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.654240][ C2] ? __ip_options_echo (net/ipv4/ip_options.c:86) 
[ 22.654597][ C2] ? __icmp_send (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/ipv4/icmp.c:718) 
[ 22.654954][ C2] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.655322][ C2] __icmp_send (net/ipv4/icmp.c:746) 
[ 22.655686][ C2] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 22.656042][ C2] ? __pfx___icmp_send (net/ipv4/icmp.c:596) 
[ 22.656406][ C2] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.656761][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.657134][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.657495][ C2] ip_rt_send_redirect (net/ipv4/route.c:920) 
[ 22.657858][ C2] ? __pfx_ip_rt_send_redirect (net/ipv4/route.c:868) 
[ 22.658225][ C2] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.658579][ C2] ? __pfx_pskb_expand_head (net/core/skbuff.c:2224) 
[ 22.658950][ C2] ? ip_forward (net/ipv4/ip_forward.c:157) 
[ 22.659301][ C2] ip_forward (net/ipv4/ip_forward.c:157) 
[ 22.659659][ C2] ? __pfx_ip_rcv (net/ipv4/ip_input.c:567) 
[ 22.660014][ C2] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6442) 
[ 22.660366][ C2] __netif_receive_skb_one_core (net/core/dev.c:5979 (discriminator 4)) 
[ 22.660799][ C2] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5972) 
[ 22.661241][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.661592][ C2] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 22.661952][ C2] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6442) 
[ 22.662306][ C2] process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6445) 
[ 22.662958][ C2] __napi_poll.constprop.0 (net/core/dev.c:7482) 
[ 22.663572][ C2] net_rx_action (net/core/dev.c:7546 net/core/dev.c:7673) 
[ 22.663946][ C2] ? __pfx_net_rx_action (net/core/dev.c:7635) 
[ 22.664301][ C2] ? clockevents_program_event (kernel/time/clockevents.c:326) 
[ 22.664650][ C2] ? __lock_release (kernel/locking/lockdep.c:5515) 
[ 22.665017][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:95 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) 
[ 22.665379][ C2] ? ktime_get (kernel/time/timekeeping.c:251 (discriminator 4) kernel/time/timekeeping.c:360 (discriminator 4) kernel/time/timekeeping.c:778 (discriminator 4)) 
[ 22.665652][ C2] ? clockevents_program_event (kernel/time/clockevents.c:336 (discriminator 3)) 
[ 22.666105][ C2] handle_softirqs (kernel/softirq.c:579) 
[ 22.666462][ C2] ? __dev_queue_xmit (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:908 net/core/dev.c:4740) 
[ 22.666823][ C2] do_softirq (kernel/softirq.c:480 kernel/softirq.c:467) 
[   22.667099][    C2]  </IRQ>
[   22.667290][    C2]  <TASK>
[ 22.667477][ C2] __local_bh_enable_ip (kernel/softirq.c:407) 
[ 22.667826][ C2] ? __dev_queue_xmit (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:908 net/core/dev.c:4740) 
[ 22.668186][ C2] __dev_queue_xmit (net/core/dev.c:4741) 
[ 22.668796][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.669421][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4621) 
[ 22.670047][ C2] ? neigh_hh_output (./include/linux/seqlock.h:74 ./include/linux/seqlock.h:836 ./include/net/neighbour.h:501) 
[ 22.670400][ C2] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 22.670753][ C2] ? neigh_hh_output (./include/linux/seqlock.h:74 ./include/linux/seqlock.h:836 ./include/net/neighbour.h:501) 
[ 22.671377][ C2] ip_finish_output2 (./include/net/neighbour.h:545 net/ipv4/ip_output.c:235) 
[ 22.671734][ 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) 
[ 22.672095][ C2] ? __pfx_ip_finish_output2 (net/ipv4/ip_output.c:199) 
[ 22.672450][ 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) 
[ 22.672812][ C2] __ip_queue_xmit (./include/net/dst.h:461 net/ipv4/ip_output.c:129 net/ipv4/ip_output.c:527) 
[ 22.673173][ C2] ? __skb_clone (./arch/x86/include/asm/atomic.h:53 (discriminator 4) ./include/linux/atomic/atomic-arch-fallback.h:992 (discriminator 4) ./include/linux/atomic/atomic-instrumented.h:436 (discriminator 4) net/core/skbuff.c:1566 (discriminator 4)) 
[ 22.673528][ C2] __tcp_transmit_skb (net/ipv4/tcp_output.c:1625 (discriminator 4)) 
[ 22.674154][ C2] ? __pfx___tcp_transmit_skb (net/ipv4/tcp_output.c:1446) 
[ 22.674529][ C2] tcp_connect (net/ipv4/tcp_output.c:1643 net/ipv4/tcp_output.c:4319) 
[ 22.674889][ C2] tcp_v4_connect (net/ipv4/tcp_ipv4.c:346) 
[ 22.675266][ C2] ? __pfx_tcp_v4_connect (net/ipv4/tcp_ipv4.c:224) 
[ 22.675620][ C2] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) 
[ 22.675979][ C2] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.676334][ C2] __inet_stream_connect (net/ipv4/af_inet.c:677) 
[ 22.676687][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:412) 
[ 22.677045][ C2] ? __pfx_inet_stream_connect (net/ipv4/af_inet.c:744) 
[ 22.677393][ C2] inet_stream_connect (net/ipv4/af_inet.c:749) 
[ 22.677745][ C2] __sys_connect (net/socket.c:2086 net/socket.c:2105) 
[ 22.678125][ C2] ? __pfx___sys_connect (net/socket.c:2093) 
[ 22.678477][ C2] ? do_fcntl (fs/fcntl.c:473) 
[ 22.678751][ C2] ? __pfx_do_fcntl (fs/fcntl.c:448) 
[ 22.679364][ C2] ? fd_install (./arch/x86/include/asm/preempt.h:104 ./include/linux/rcupdate.h:955 fs/file.c:661) 
[ 22.679727][ C2] ? __sys_socket (net/socket.c:503 net/socket.c:1740) 
[ 22.680094][ C2] ? __pfx___sys_socket (net/socket.c:1727) 
[ 22.680454][ C2] __x64_sys_connect (net/socket.c:2108) 
[ 22.680805][ C2] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 22.681171][ C2] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 22.681529][ C2] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   22.681974][    C2] RIP: 0033:0x7fe5345dad77
[ 22.682344][ C2] Code: 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2a 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 18 89 54 24 0c 48 89 34 24 89
All code
========
   0:	64 89 01             	mov    %eax,%fs:(%rcx)
   3:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
   7:	c3                   	ret
   8:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   f:	00 00 00 
  12:	90                   	nop
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2a 00 00 00       	mov    $0x2a,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 18          	sub    $0x18,%rsp
  37:	89 54 24 0c          	mov    %edx,0xc(%rsp)
  3b:	48 89 34 24          	mov    %rsi,(%rsp)
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 18          	sub    $0x18,%rsp
   d:	89 54 24 0c          	mov    %edx,0xc(%rsp)
  11:	48 89 34 24          	mov    %rsi,(%rsp)
  15:	89                   	.byte 0x89
[   22.683586][    C2] RSP: 002b:00007fff26298068 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
[   22.684382][    C2] RAX: ffffffffffffffda RBX: 000055be0848dcf0 RCX: 00007fe5345dad77
[   22.685169][    C2] RDX: 0000000000000010 RSI: 00007fff262989e0 RDI: 0000000000000007
[   22.685704][    C2] RBP: 00007fff262989e0 R08: 00007fff26298070 R09: 0000000000000010
[   22.686233][    C2] R10: 0000000000000050 R11: 0000000000000246 R12: 0000000000000010


Finger prints:
__icmp_send:ip_rt_send_redirect:ip_forward:__netif_receive_skb_one_core:process_backlog