======================================
| xx__-> [ 2007.767396][ T1666] mpls_gso: MPLS GSO support
| [ 2119.270631][    C2] ------------[ cut here ]------------
| [ 2119.271250][ C2] WARNING: CPU: 2 PID: 3013 at net/core/skbuff.c:1178 sk_skb_reason_drop (net/core/skbuff.c:1178 net/core/skbuff.c:1203) 
| [ 2119.271871][    C2] Modules linked in: vxlan mpls_gso mpls_iptunnel mpls_router xt_HL nft_compat nf_tables amt
[ 2119.273719][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 2119.274144][ C2] RIP: 0010:sk_skb_reason_drop (net/core/skbuff.c:1178 net/core/skbuff.c:1203) 
[ 2119.274621][ C2] Code: 85 c0 0f 8e 99 00 00 00 5d 41 5c 41 5d 41 5e c3 cc cc cc cc 45 85 e4 74 10 44 89 e0 25 00 00 ff ff 48 3d 00 00 02 00 76 04 90 <0f> 0b 90 41 83 fc 01 74 5f 48 8b 74 24 20 4c 89 e9 44 89 e2 48 89
All code
========
   0:	85 c0                	test   %eax,%eax
   2:	0f 8e 99 00 00 00    	jle    0xa1
   8:	5d                   	pop    %rbp
   9:	41 5c                	pop    %r12
   b:	41 5d                	pop    %r13
   d:	41 5e                	pop    %r14
   f:	c3                   	ret
  10:	cc                   	int3
  11:	cc                   	int3
  12:	cc                   	int3
  13:	cc                   	int3
  14:	45 85 e4             	test   %r12d,%r12d
  17:	74 10                	je     0x29
  19:	44 89 e0             	mov    %r12d,%eax
  1c:	25 00 00 ff ff       	and    $0xffff0000,%eax
  21:	48 3d 00 00 02 00    	cmp    $0x20000,%rax
  27:	76 04                	jbe    0x2d
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	41 83 fc 01          	cmp    $0x1,%r12d
  31:	74 5f                	je     0x92
  33:	48 8b 74 24 20       	mov    0x20(%rsp),%rsi
  38:	4c 89 e9             	mov    %r13,%rcx
  3b:	44 89 e2             	mov    %r12d,%edx
  3e:	48                   	rex.W
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	41 83 fc 01          	cmp    $0x1,%r12d
   7:	74 5f                	je     0x68
   9:	48 8b 74 24 20       	mov    0x20(%rsp),%rsi
   e:	4c 89 e9             	mov    %r13,%rcx
  11:	44 89 e2             	mov    %r12d,%edx
  14:	48                   	rex.W
  15:	89                   	.byte 0x89
[ 2119.275846][    C2] RSP: 0018:ffffc90000218878 EFLAGS: 00010206
[ 2119.276279][    C2] RAX: 000000001ac60000 RBX: 1ffff92000043115 RCX: ffffffff9a0000b6
[ 2119.276831][    C2] RDX: ffffed100358d1e4 RSI: 0000000000000004 RDI: ffff88801ac68f1c
[ 2119.277339][    C2] RBP: ffff88801ac68e40 R08: 0000000000000001 R09: ffffed100358d1e3
[ 2119.277856][    C2] R10: ffff88801ac68f1f R11: ffffffff9c188620 R12: 000000001ac68e40
[ 2119.278376][    C2] R13: ffff8880168d8040 R14: ffff88801ac68f1c R15: 000000000000000a
[ 2119.278892][    C2] FS:  00007f674bf13300(0000) GS:ffff8880cf2c2000(0000) knlGS:0000000000000000
[ 2119.279502][    C2] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2119.279951][    C2] CR2: 00007f8c7f25d060 CR3: 0000000018088005 CR4: 0000000000772ef0
[ 2119.280491][    C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2119.281036][    C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2119.281602][    C2] PKRU: 55555554
[ 2119.281890][    C2] Call Trace:
[ 2119.282167][    C2]  <IRQ>
[ 2119.282369][ C2] raw_rcv (net/ipv4/raw.c:305 net/ipv4/raw.c:322 net/ipv4/raw.c:311) 
[ 2119.282655][ C2] ? __pfx_raw_rcv (net/ipv4/raw.c:312) 
[ 2119.283011][ 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:1567 (discriminator 4)) 
[ 2119.283388][ C2] raw_v4_input (net/ipv4/raw.c:193) 
[ 2119.283759][ C2] ? __pfx_raw_v4_input (net/ipv4/raw.c:165) 
[ 2119.284109][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:472 kernel/locking/lockdep.c:5868) 
[ 2119.284486][ C2] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:193) 
[ 2119.284843][ C2] ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 2119.285187][ C2] ip_local_deliver (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:254) 
[ 2119.285540][ C2] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243) 
[ 2119.285894][ C2] ? ip_rcv_finish_core (./include/linux/skbuff.h:1166 ./include/net/route.h:88 net/ipv4/ip_input.c:390) 
[ 2119.286249][ C2] ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:567) 
[ 2119.286533][ C2] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 2119.286891][ C2] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 2119.287259][ C2] ? validate_chain (kernel/locking/lockdep.c:3802 kernel/locking/lockdep.c:3822 kernel/locking/lockdep.c:3877) 
[ 2119.287618][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5235) 
[ 2119.287985][ C2] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 2119.288339][ C2] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6443) 
[ 2119.288708][ C2] __netif_receive_skb_one_core (net/core/dev.c:5980 (discriminator 4)) 
[ 2119.289155][ C2] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5973) 
[ 2119.289586][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 2119.289958][ C2] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 2119.290312][ C2] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6443) 
[ 2119.290680][ C2] process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6446) 
[ 2119.291065][ C2] __napi_poll.constprop.0 (net/core/dev.c:7417) 
[ 2119.291427][ C2] net_rx_action (net/core/dev.c:7481 net/core/dev.c:7603) 
[ 2119.291810][ C2] ? __pfx_net_rx_action (net/core/dev.c:7565) 
[ 2119.292174][ C2] ? __pfx_sched_balance_domains (kernel/sched/fair.c:12187) 
[ 2119.292595][ C2] ? clockevents_program_event (kernel/time/clockevents.c:334 (discriminator 3)) 
[ 2119.293977][ C2] handle_softirqs (kernel/softirq.c:579) 
[ 2119.294642][ C2] ? __dev_queue_xmit (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:908 net/core/dev.c:4740) 
[ 2119.294999][ C2] do_softirq (kernel/softirq.c:480 kernel/softirq.c:467) 
[ 2119.295261][    C2]  </IRQ>
[ 2119.295455][    C2]  <TASK>
[ 2119.295632][ C2] __local_bh_enable_ip (kernel/softirq.c:407) 
[ 2119.295994][ C2] ? __dev_queue_xmit (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:908 net/core/dev.c:4740) 
[ 2119.296346][ C2] __dev_queue_xmit (net/core/dev.c:4741) 
[ 2119.296704][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5235) 
[ 2119.297067][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4621) 
[ 2119.297429][ C2] ? neigh_hh_output (./include/linux/seqlock.h:74 ./include/linux/seqlock.h:836 ./include/net/neighbour.h:493) 
[ 2119.297797][ C2] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4473) 
[ 2119.298152][ C2] ? neigh_hh_output (./include/linux/seqlock.h:74 ./include/linux/seqlock.h:836 ./include/net/neighbour.h:493) 
[ 2119.298520][ C2] ip_finish_output2 (./include/net/neighbour.h:537 net/ipv4/ip_output.c:235) 
[ 2119.298886][ C2] ? ip_skb_dst_mtu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/ip.h:499 ./include/net/ip.h:512) 
[ 2119.299254][ C2] ? __pfx_ip_finish_output2 (net/ipv4/ip_output.c:199) 
[ 2119.299604][ C2] ? __ip_finish_output (./include/linux/skbuff.h:1687 ./include/linux/skbuff.h:5078 net/ipv4/ip_output.c:307 net/ipv4/ip_output.c:295) 
[ 2119.299975][ C2] ip_output (./include/linux/netfilter.h:303 net/ipv4/ip_output.c:433) 
[ 2119.300234][ C2] ? __ip_local_out (net/ipv4/ip_output.c:96 net/ipv4/ip_output.c:107) 
[ 2119.300841][ C2] ? __pfx_ip_output (net/ipv4/ip_output.c:427) 
[ 2119.301179][ C2] ? __ip_make_skb (net/ipv4/ip_output.c:1383 net/ipv4/ip_output.c:1493) 
[ 2119.301518][ C2] ? __pfx_raw_getfrag (net/ipv4/raw.c:453) 
[ 2119.301889][ C2] ? ip_append_data (net/ipv4/ip_output.c:1372 net/ipv4/ip_output.c:1351) 
[ 2119.302230][ C2] ip_push_pending_frames (./include/net/dst.h:459 net/ipv4/ip_output.c:129 net/ipv4/ip_output.c:1502 net/ipv4/ip_output.c:1522) 
[ 2119.302585][ C2] raw_sendmsg (net/ipv4/raw.c:658) 
[ 2119.302937][ C2] ? __pfx_raw_sendmsg (net/ipv4/raw.c:483) 
[ 2119.303321][ C2] ? find_held_lock (kernel/locking/lockdep.c:5348) 
[ 2119.303673][ C2] ? __might_fault (mm/memory.c:7151 mm/memory.c:7145) 
[ 2119.304268][ C2] ? __lock_release (kernel/locking/lockdep.c:5534) 
[ 2119.304863][ C2] ? __might_fault (mm/memory.c:7151 mm/memory.c:7145) 
[ 2119.305206][ C2] __sys_sendto (net/socket.c:712 net/socket.c:727 net/socket.c:2180) 
[ 2119.305551][ C2] ? __pfx___sys_sendto (net/socket.c:2147) 
[ 2119.305910][ C2] ? __pfx_do_sock_setsockopt (net/socket.c:2265) 
[ 2119.306251][ C2] ? __sys_recvmsg (net/socket.c:2861) 
[ 2119.306602][ C2] ? __pfx___sys_recvmsg (net/socket.c:2846) 
[ 2119.307208][ C2] ? ksys_write (fs/read_write.c:736) 
[ 2119.307550][ C2] ? __pfx_ksys_write (fs/read_write.c:726) 
[ 2119.308154][ C2] __x64_sys_sendto (net/socket.c:2183) 
[ 2119.309234][ C2] ? do_syscall_64 (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 ./include/linux/entry-common.h:198 arch/x86/entry/syscall_64.c:90) 
[ 2119.309577][ C2] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4473) 
[ 2119.309924][ C2] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 2119.310263][ C2] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2119.310702][    C2] RIP: 0033:0x7f674c1e9a4a
[ 2119.311093][ C2] Code: Unable to access opcode bytes at 0x7f674c1e9a20.

Code starting with the faulting instruction
===========================================
[ 2119.311540][    C2] RSP: 002b:00007fff59701fb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[ 2119.312075][    C2] RAX: ffffffffffffffda RBX: 0000000000000038 RCX: 00007f674c1e9a4a
[ 2119.312588][    C2] RDX: 0000000000000040 RSI: 00000000218b43f0 RDI: 0000000000000005
[ 2119.314101][    C2] RBP: 00007fff59702010 R08: 00000000004185e0 R09: 0000000000000010
[ 2119.314618][    C2] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000054


Finger prints:
sk_skb_reason_drop:raw_rcv:raw_v4_input:ip_protocol_deliver_rcu:ip_local_deliver_finish