======================================
| xx__-> [ 1996.704592][ T1670] mpls_gso: MPLS GSO support
| [ 2104.274641][    C1] ------------[ cut here ]------------
| [ 2104.275180][ C1] WARNING: CPU: 1 PID: 3023 at net/core/skbuff.c:1178 sk_skb_reason_drop (net/core/skbuff.c:1178 net/core/skbuff.c:1203) 
| [ 2104.275768][    C1] Modules linked in: vxlan mpls_gso mpls_iptunnel mpls_router xt_HL nft_compat nf_tables amt
[ 2104.277097][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 2104.277509][ C1] RIP: 0010:sk_skb_reason_drop (net/core/skbuff.c:1178 net/core/skbuff.c:1203) 
[ 2104.277857][ C1] 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
[ 2104.279038][    C1] RSP: 0018:ffffc900001c0878 EFLAGS: 00010206
[ 2104.279461][    C1] RAX: 0000000018510000 RBX: 1ffff92000038115 RCX: ffffffffb1c000b6
[ 2104.279965][    C1] RDX: ffffed10030a2a1c RSI: 0000000000000004 RDI: ffff8880185150dc
[ 2104.280464][    C1] RBP: ffff888018515000 R08: 0000000000000001 R09: ffffed10030a2a1b
[ 2104.280967][    C1] R10: ffff8880185150df R11: ffffffffb3d88620 R12: 0000000018515000
[ 2104.281477][    C1] R13: ffff8880145e9540 R14: ffff8880185150dc R15: 000000000000000a
[ 2104.281977][    C1] FS:  00007f1aa9fe0300(0000) GS:ffff8880b7642000(0000) knlGS:0000000000000000
[ 2104.282691][    C1] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2104.283106][    C1] CR2: 00007f1aaa2d4d60 CR3: 000000000c7a9002 CR4: 0000000000772ef0
[ 2104.283623][    C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2104.284115][    C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2104.284617][    C1] PKRU: 55555554
[ 2104.284864][    C1] Call Trace:
[ 2104.285111][    C1]  <IRQ>
[ 2104.285281][ C1] raw_rcv (net/ipv4/raw.c:305 net/ipv4/raw.c:322 net/ipv4/raw.c:311) 
[ 2104.285535][ C1] ? __pfx_raw_rcv (net/ipv4/raw.c:312) 
[ 2104.285880][ C1] ? __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)) 
[ 2104.286214][ C1] raw_v4_input (net/ipv4/raw.c:193) 
[ 2104.286545][ C1] ? __pfx_raw_v4_input (net/ipv4/raw.c:165) 
[ 2104.286881][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:472 kernel/locking/lockdep.c:5868) 
[ 2104.287213][ C1] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:193) 
[ 2104.287542][ C1] ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 2104.287882][ C1] ip_local_deliver (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:254) 
[ 2104.288204][ C1] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243) 
[ 2104.288536][ C1] ? ip_rcv_finish_core (./include/linux/skbuff.h:1166 ./include/net/route.h:88 net/ipv4/ip_input.c:390) 
[ 2104.288880][ C1] 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) 
[ 2104.289129][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 2104.289450][ C1] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 2104.289784][ C1] ? validate_chain (kernel/locking/lockdep.c:3802 kernel/locking/lockdep.c:3822 kernel/locking/lockdep.c:3877) 
[ 2104.290115][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5235) 
[ 2104.290452][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 2104.290786][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6443) 
[ 2104.291113][ C1] __netif_receive_skb_one_core (net/core/dev.c:5980 (discriminator 4)) 
[ 2104.291522][ C1] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5973) 
[ 2104.291947][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 2104.292275][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 2104.292605][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6443) 
[ 2104.292934][ C1] process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6446) 
[ 2104.293267][ C1] __napi_poll.constprop.0 (net/core/dev.c:7417) 
[ 2104.293604][ C1] net_rx_action (net/core/dev.c:7481 net/core/dev.c:7603) 
[ 2104.293940][ C1] ? __pfx_net_rx_action (net/core/dev.c:7565) 
[ 2104.294277][ C1] ? 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) 
[ 2104.294616][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 2104.294949][ C1] handle_softirqs (kernel/softirq.c:579) 
[ 2104.295280][ C1] ? __dev_queue_xmit (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:908 net/core/dev.c:4740) 
[ 2104.295618][ C1] do_softirq (kernel/softirq.c:480 kernel/softirq.c:467) 
[ 2104.295866][    C1]  </IRQ>
[ 2104.296034][    C1]  <TASK>
[ 2104.296199][ C1] __local_bh_enable_ip (kernel/softirq.c:407) 
[ 2104.296522][ C1] ? __dev_queue_xmit (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:908 net/core/dev.c:4740) 
[ 2104.296861][ C1] __dev_queue_xmit (net/core/dev.c:4741) 
[ 2104.297188][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5235) 
[ 2104.297521][ C1] ? __pfx___dev_queue_xmit (net/core/dev.c:4621) 
[ 2104.297859][ C1] ? neigh_hh_output (./include/linux/seqlock.h:74 ./include/linux/seqlock.h:836 ./include/net/neighbour.h:493) 
[ 2104.298191][ C1] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4473) 
[ 2104.298516][ C1] ? neigh_hh_output (./include/linux/seqlock.h:74 ./include/linux/seqlock.h:836 ./include/net/neighbour.h:493) 
[ 2104.298860][ C1] ip_finish_output2 (./include/net/neighbour.h:537 net/ipv4/ip_output.c:235) 
[ 2104.299192][ C1] ? ip_skb_dst_mtu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/ip.h:499 ./include/net/ip.h:512) 
[ 2104.299518][ C1] ? __pfx_ip_finish_output2 (net/ipv4/ip_output.c:199) 
[ 2104.299859][ C1] ? __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) 
[ 2104.300187][ C1] ip_output (./include/linux/netfilter.h:303 net/ipv4/ip_output.c:433) 
[ 2104.300437][ C1] ? __ip_local_out (net/ipv4/ip_output.c:96 net/ipv4/ip_output.c:107) 
[ 2104.300773][ C1] ? __pfx_ip_output (net/ipv4/ip_output.c:427) 
[ 2104.301098][ C1] ? __ip_make_skb (net/ipv4/ip_output.c:1383 net/ipv4/ip_output.c:1493) 
[ 2104.301429][ C1] ? __pfx_raw_getfrag (net/ipv4/raw.c:453) 
[ 2104.301765][ C1] ? ip_append_data (net/ipv4/ip_output.c:1372 net/ipv4/ip_output.c:1351) 
[ 2104.302095][ C1] 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) 
[ 2104.302422][ C1] raw_sendmsg (net/ipv4/raw.c:658) 
[ 2104.302761][ C1] ? find_held_lock (kernel/locking/lockdep.c:5348) 
[ 2104.303089][ C1] ? __pfx_raw_sendmsg (net/ipv4/raw.c:483) 
[ 2104.303413][ C1] ? do_fault_around (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/memory.c:5479) 
[ 2104.303754][ C1] ? __lock_release (kernel/locking/lockdep.c:5534) 
[ 2104.304102][ C1] ? find_held_lock (kernel/locking/lockdep.c:5348) 
[ 2104.304432][ C1] ? __might_fault (mm/memory.c:7151 mm/memory.c:7145) 
[ 2104.304767][ C1] ? __lock_release (kernel/locking/lockdep.c:5534) 
[ 2104.305094][ C1] ? __might_fault (mm/memory.c:7151 mm/memory.c:7145) 
[ 2104.305422][ C1] __sys_sendto (net/socket.c:712 net/socket.c:727 net/socket.c:2180) 
[ 2104.305761][ C1] ? __pfx___sys_sendto (net/socket.c:2147) 
[ 2104.306093][ C1] ? __pfx_lock_vma_under_rcu (mm/memory.c:6547) 
[ 2104.306423][ C1] ? find_held_lock (kernel/locking/lockdep.c:5348) 
[ 2104.306764][ C1] ? ksys_write (fs/read_write.c:736) 
[ 2104.307099][ C1] ? __pfx_ksys_write (fs/read_write.c:726) 
[ 2104.307423][ C1] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mm.h:704 ./include/linux/mm.h:799 arch/x86/mm/fault.c:1339) 
[ 2104.307996][ C1] __x64_sys_sendto (net/socket.c:2183) 
[ 2104.308321][ C1] ? 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) 
[ 2104.308656][ C1] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4473) 
[ 2104.308980][ C1] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 2104.309304][ C1] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2104.309719][    C1] RIP: 0033:0x7f1aaa2b6a4a
[ 2104.310336][ C1] 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
[ 2104.311755][    C1] RSP: 002b:00007ffd414e2d48 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[ 2104.312246][    C1] RAX: ffffffffffffffda RBX: 0000000000000038 RCX: 00007f1aaa2b6a4a
[ 2104.312752][    C1] RDX: 0000000000000040 RSI: 000000000932b3f0 RDI: 0000000000000005
[ 2104.313247][    C1] RBP: 00007ffd414e2da0 R08: 00000000004185e0 R09: 0000000000000010
[ 2104.313745][    C1] 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