======================================
| [  372.676128][ T3278] br1: port 2(vxlan1) entered forwarding state
| [  373.125819][    C1] ------------[ cut here ]------------
| [  373.126118][    C1] WARNING: ./include/linux/skbuff.h:3094 at udp_tun_rx_dst+0xa92/0x1060, CPU#1: 1/52
| [  373.126562][    C1] Modules linked in: vxlan
[  373.127012][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  373.127189][    C1] Workqueue: mld mld_ifc_work
[  373.127338][    C1] RIP: 0010:udp_tun_rx_dst (./include/linux/skbuff.h:3094 (discriminator 4) ./include/linux/udp.h:23 (discriminator 4) net/ipv4/udp_tunnel_core.c:217 (discriminator 4))
[  373.127495][    C1] Code: 24 18 4c 89 44 24 20 e8 4c 6b 74 fe 4c 8b 44 24 20 49 0f ba 28 08 4c 8b 4c 24 18 e9 c0 f9 ff ff 90 0f 0b 90 e9 7d fb ff ff 90 <0f> 0b 90 e9 f1 f9 ff ff 90 0f 0b 90 e9 a7 fa ff ff 44 89 44 24 18
All code
========
   0:	24 18                	and    $0x18,%al
   2:	4c 89 44 24 20       	mov    %r8,0x20(%rsp)
   7:	e8 4c 6b 74 fe       	call   0xfffffffffe746b58
   c:	4c 8b 44 24 20       	mov    0x20(%rsp),%r8
  11:	49 0f ba 28 08       	btsq   $0x8,(%r8)
  16:	4c 8b 4c 24 18       	mov    0x18(%rsp),%r9
  1b:	e9 c0 f9 ff ff       	jmp    0xfffffffffffff9e0
  20:	90                   	nop
  21:	0f 0b                	ud2
  23:	90                   	nop
  24:	e9 7d fb ff ff       	jmp    0xfffffffffffffba6
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 f1 f9 ff ff       	jmp    0xfffffffffffffa23
  32:	90                   	nop
  33:	0f 0b                	ud2
  35:	90                   	nop
  36:	e9 a7 fa ff ff       	jmp    0xfffffffffffffae2
  3b:	44 89 44 24 18       	mov    %r8d,0x18(%rsp)

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 f1 f9 ff ff       	jmp    0xfffffffffffff9f9
   8:	90                   	nop
   9:	0f 0b                	ud2
   b:	90                   	nop
   c:	e9 a7 fa ff ff       	jmp    0xfffffffffffffab8
  11:	44 89 44 24 18       	mov    %r8d,0x18(%rsp)
[  373.128010][    C1] RSP: 0018:ffa00000001d0648 EFLAGS: 00010246
[  373.128188][    C1] RAX: 0000000000000007 RBX: 000000000000ffff RCX: 0000000000000000
[  373.128410][    C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000013cbc024
[  373.128621][    C1] RBP: ffa00000001d06a0 R08: ff11000013da14c8 R09: ff1100000c4d2200
[  373.128846][    C1] R10: ffe21c00027b429c R11: ffe21c00027b429c R12: ff11000013da14dc
[  373.129154][    C1] R13: ff11000013da14da R14: ff1100000c4d22b6 R15: ff11000013da1400
[  373.129366][    C1] FS:  0000000000000000(0000) GS:ff110000b6330000(0000) knlGS:0000000000000000
[  373.129619][    C1] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  373.129796][    C1] CR2: 00007f3cff166f98 CR3: 000000001dd4d005 CR4: 0000000000771ef0
[  373.130016][    C1] PKRU: 55555554
[  373.130123][    C1] Call Trace:
[  373.130229][    C1]  <IRQ>
[  373.130304][    C1] vxlan_rcv (drivers/net/vxlan/vxlan_core.c:1729 (discriminator 2)) vxlan
[  373.130460][    C1]  ? fib_table_lookup (net/ipv4/fib_trie.c:1613)
[  373.130600][    C1]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  373.130746][    C1]  ? encap_bypass_if_local (drivers/net/vxlan/vxlan_core.c:2327) vxlan
[  373.130928][    C1]  ? udp4_lib_lookup2 (./include/net/net_namespace.h:419 (discriminator 1) ./include/net/sock.h:713 (discriminator 1) net/ipv4/udp.c:370 (discriminator 1) net/ipv4/udp.c:474 (discriminator 1))
[  373.131080][    C1]  ? __udp4_lib_lookup (net/ipv4/udp.c:713)
[  373.131220][    C1]  ? encap_bypass_if_local (drivers/net/vxlan/vxlan_core.c:2327) vxlan
[  373.131399][    C1]  ? udp_queue_rcv_one_skb (net/ipv4/udp.c:2388)
[  373.131540][    C1]  udp_queue_rcv_one_skb (net/ipv4/udp.c:2388)
[  373.131678][    C1]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  373.131817][    C1]  ? ww_mutex_trylock (kernel/locking/mutex.c:107 (discriminator 3) kernel/locking/mutex.c:134 (discriminator 3) kernel/locking/mutex.c:860 (discriminator 3))
[  373.131968][    C1]  udp_unicast_rcv_skb (net/ipv4/udp.c:2574)
[  373.132108][    C1]  ? udp_rcv (net/ipv4/udp.c:741 (discriminator 3) net/ipv4/udp.c:2649 (discriminator 3))
[  373.132215][    C1]  udp_rcv (net/ipv4/udp.c:2651)
[  373.132323][    C1]  ? udp_sk_rx_dst_set (net/ipv4/udp.c:2451 (discriminator 1))
[  373.132467][    C1]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  373.132608][    C1]  ? ip_local_deliver_finish (./include/linux/rcupdate.h:300 (discriminator 2) ./include/linux/rcupdate.h:840 (discriminator 2) net/ipv4/ip_input.c:240 (discriminator 2))
[  373.132750][    C1]  ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207)
[  373.132898][    C1]  ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6668 (discriminator 2))
[  373.133043][    C1]  ip_local_deliver_finish (net/ipv4/ip_input.c:241 (discriminator 1))
[  373.133184][    C1]  ip_local_deliver (./include/linux/netfilter.h:318 ./include/linux/netfilter.h:312 net/ipv4/ip_input.c:262)
[  373.133324][    C1]  ? ip_local_deliver_finish (net/ipv4/ip_input.c:232 (discriminator 42))
[  373.133468][    C1]  ? ip_rcv_finish_core (./include/linux/skbuff.h:1164 (discriminator 2) ./include/net/route.h:88 (discriminator 2) net/ipv4/ip_input.c:435 (discriminator 2))
[  373.133607][    C1]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  373.133751][    C1]  ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6668 (discriminator 2))
[  373.133894][    C1]  ip_rcv (./include/linux/netfilter.h:318 ./include/linux/netfilter.h:312 net/ipv4/ip_input.c:612)
[  373.134005][    C1]  ? ip_local_deliver (./include/linux/rcupdate.h:869 (discriminator 3))
[  373.134144][    C1]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  373.134286][    C1]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  373.134430][    C1]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  373.134569][    C1]  ? nbcon_legacy_emit_next_record (kernel/printk/nbcon.c:1523)
[  373.134746][    C1]  __netif_receive_skb_one_core (net/core/dev.c:6206)
[  373.134927][    C1]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  373.135072][    C1]  ? __netif_receive_skb_list_core (net/core/dev.c:6252 (discriminator 2))
[  373.135248][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  373.135397][    C1]  process_backlog (net/core/dev.c:6670)
[  373.135542][    C1]  __napi_poll (net/core/dev.c:7729)
[  373.135647][    C1]  net_rx_action (net/core/dev.c:7792 net/core/dev.c:7949)
[  373.135791][    C1]  ? __napi_poll (./include/net/gro.h:507)
[  373.135937][    C1]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  373.136086][    C1]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  373.136228][    C1]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  373.136369][    C1]  handle_softirqs (kernel/softirq.c:622)
[  373.136523][    C1]  ? _local_bh_enable (kernel/softirq.c:405 (discriminator 1))
[  373.136667][    C1]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  373.136807][    C1]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:169 (discriminator 1) kernel/locking/spinlock.c:190 (discriminator 1))
[  373.136958][    C1]  do_softirq (kernel/softirq.c:523 (discriminator 19) kernel/softirq.c:510 (discriminator 19))
[  373.137064][    C1]  </IRQ>
[  373.137135][    C1]  <TASK>
[  373.137205][    C1]  ? __dev_queue_xmit (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:911 (discriminator 2) net/core/dev.c:4907 (discriminator 2))
[  373.137345][    C1]  __local_bh_enable_ip (kernel/softirq.c:450)
[  373.137490][    C1]  __dev_queue_xmit (./include/linux/bottom_half.h:33 (discriminator 2) ./include/linux/rcupdate.h:914 (discriminator 2) net/core/dev.c:4907 (discriminator 2))
[  373.137631][    C1]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  373.137772][    C1]  ? netdev_core_pick_tx (net/core/dev.c:4733)
[  373.137916][    C1]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  373.138058][    C1]  ? eth_header (net/ethernet/eth.c:99)
[  373.138201][    C1]  ? neigh_connected_output (./include/linux/netdevice.h:3493 net/core/neighbour.c:1640)
[  373.138346][    C1]  ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:136 (discriminator 3))
[  373.138495][    C1]  ? ip6_xmit (net/ipv6/ip6_output.c:328)
[  373.138634][    C1]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  373.138774][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  373.138918][    C1]  ? ip6_mtu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:871 (discriminator 2) ./include/net/ip6_route.h:382 (discriminator 2) net/ipv6/route.c:3290 (discriminator 2))
[  373.139027][    C1]  ip6_finish_output (net/ipv6/ip6_output.c:208 net/ipv6/ip6_output.c:219)
[  373.139167][    C1]  ip6_output (./include/linux/netfilter.h:307 net/ipv6/ip6_output.c:246)
[  373.139274][    C1]  ? ip6_finish_output (./include/linux/skbuff.h:1167)
[  373.139416][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  373.139556][    C1]  ? xfrm_bundle_lookup.constprop.0 (net/xfrm/xfrm_policy.c:3049)
[  373.139728][    C1]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  373.139871][    C1]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[  373.140023][    C1]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[  373.140162][    C1]  ? icmp6_dst_alloc (net/ipv6/route.c:3364)
[  373.140304][    C1]  mld_sendpack (./include/net/dst.h:470 (discriminator 4) ./include/linux/netfilter.h:318 (discriminator 4) ./include/linux/netfilter.h:312 (discriminator 4) net/ipv6/mcast.c:1853 (discriminator 4))
[  373.140450][    C1]  ? nf_hook.constprop.0 (./include/linux/netfilter.h:278)
[  373.140593][    C1]  ? mld_send_cr (./include/linux/lockdep.h:249 net/ipv6/mcast.c:2131)
[  373.140733][    C1]  mld_ifc_work (net/ipv6/mcast.c:2694)
[  373.140875][    C1]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  373.141019][    C1]  process_one_work (kernel/workqueue.c:3314)
[  373.141164][    C1]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  373.141306][    C1]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  373.141454][    C1]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  373.141597][    C1]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  373.141738][    C1]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  373.141884][    C1]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  373.142024][    C1]  kthread (kernel/kthread.c:436)
[  373.142130][    C1]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  373.142306][    C1]  ? kthread_affine_node (kernel/kthread.c:378)
[  373.142453][    C1]  ret_from_fork (arch/x86/kernel/process.c:158)
[  373.142596][    C1]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  373.142771][    C1]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  373.142916][    C1]  ? kthread_affine_node (kernel/kthread.c:378)
[  373.143060][    C1]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  373.144604][    C1] ------------[ cut here ]------------
| [  373.144741][    C1] WARNING: ./include/linux/skbuff.h:3094 at udp_tun_rx_dst+0xa9b/0x1060, CPU#1: 1/52
| [  373.145022][    C1] Modules linked in: vxlan
| [  373.145531][    C1] Tainted: [W]=WARN
[  373.145639][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  373.145815][    C1] Workqueue: mld mld_ifc_work
[  373.145970][    C1] RIP: 0010:udp_tun_rx_dst (./include/linux/skbuff.h:3094 (discriminator 4) ./include/linux/udp.h:23 (discriminator 4) net/ipv4/udp_tunnel_core.c:218 (discriminator 4))
[  373.146116][    C1] Code: 6b 74 fe 4c 8b 44 24 20 49 0f ba 28 08 4c 8b 4c 24 18 e9 c0 f9 ff ff 90 0f 0b 90 e9 7d fb ff ff 90 0f 0b 90 e9 f1 f9 ff ff 90 <0f> 0b 90 e9 a7 fa ff ff 44 89 44 24 18 89 74 24 20 4c 89 4c 24 28
All code
========
   0:	6b 74 fe 4c 8b       	imul   $0xffffff8b,0x4c(%rsi,%rdi,8),%esi
   5:	44 24 20             	rex.R and $0x20,%al
   8:	49 0f ba 28 08       	btsq   $0x8,(%r8)
   d:	4c 8b 4c 24 18       	mov    0x18(%rsp),%r9
  12:	e9 c0 f9 ff ff       	jmp    0xfffffffffffff9d7
  17:	90                   	nop
  18:	0f 0b                	ud2
  1a:	90                   	nop
  1b:	e9 7d fb ff ff       	jmp    0xfffffffffffffb9d
  20:	90                   	nop
  21:	0f 0b                	ud2
  23:	90                   	nop
  24:	e9 f1 f9 ff ff       	jmp    0xfffffffffffffa1a
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 a7 fa ff ff       	jmp    0xfffffffffffffad9
  32:	44 89 44 24 18       	mov    %r8d,0x18(%rsp)
  37:	89 74 24 20          	mov    %esi,0x20(%rsp)
  3b:	4c 89 4c 24 28       	mov    %r9,0x28(%rsp)

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 a7 fa ff ff       	jmp    0xfffffffffffffaaf
   8:	44 89 44 24 18       	mov    %r8d,0x18(%rsp)
   d:	89 74 24 20          	mov    %esi,0x20(%rsp)
  11:	4c 89 4c 24 28       	mov    %r9,0x28(%rsp)
[  373.146620][    C1] RSP: 0018:ffa00000001d0648 EFLAGS: 00010246
[  373.146797][    C1] RAX: 0000000000000007 RBX: 000000000000ffff RCX: 0000000000000000
[  373.147014][    C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000013cbc024
[  373.147222][    C1] RBP: ffa00000001d06a0 R08: ff11000013da14c8 R09: ff1100000c4d2200
[  373.147438][    C1] R10: ffe21c00027b429c R11: ffe21c00027b429c R12: ff11000013da14dc
[  373.147645][    C1] R13: ff11000013da14da R14: ff1100000c4d22b6 R15: ff11000013da1400
[  373.147854][    C1] FS:  0000000000000000(0000) GS:ff110000b6330000(0000) knlGS:0000000000000000
[  373.148106][    C1] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  373.148283][    C1] CR2: 00007f3cff166f98 CR3: 000000001dd4d005 CR4: 0000000000771ef0
[  373.148496][    C1] PKRU: 55555554
[  373.148600][    C1] Call Trace:
[  373.148704][    C1]  <IRQ>
[  373.148777][    C1] vxlan_rcv (drivers/net/vxlan/vxlan_core.c:1729 (discriminator 2)) vxlan
[  373.148925][    C1]  ? fib_table_lookup (net/ipv4/fib_trie.c:1613)
[  373.149069][    C1]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  373.149212][    C1]  ? encap_bypass_if_local (drivers/net/vxlan/vxlan_core.c:2327) vxlan
[  373.149393][    C1]  ? udp4_lib_lookup2 (./include/net/net_namespace.h:419 (discriminator 1) ./include/net/sock.h:713 (discriminator 1) net/ipv4/udp.c:370 (discriminator 1) net/ipv4/udp.c:474 (discriminator 1))
[  373.149536][    C1]  ? __udp4_lib_lookup (net/ipv4/udp.c:713)
[  373.149678][    C1]  ? encap_bypass_if_local (drivers/net/vxlan/vxlan_core.c:2327) vxlan
[  373.149853][    C1]  ? udp_queue_rcv_one_skb (net/ipv4/udp.c:2388)
[  373.150002][    C1]  udp_queue_rcv_one_skb (net/ipv4/udp.c:2388)
[  373.150141][    C1]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  373.150283][    C1]  ? ww_mutex_trylock (kernel/locking/mutex.c:107 (discriminator 3) kernel/locking/mutex.c:134 (discriminator 3) kernel/locking/mutex.c:860 (discriminator 3))
[  373.150428][    C1]  udp_unicast_rcv_skb (net/ipv4/udp.c:2574)
[  373.150568][    C1]  ? udp_rcv (net/ipv4/udp.c:741 (discriminator 3) net/ipv4/udp.c:2649 (discriminator 3))
[  373.150673][    C1]  udp_rcv (net/ipv4/udp.c:2651)
[  373.150780][    C1]  ? udp_sk_rx_dst_set (net/ipv4/udp.c:2451 (discriminator 1))
[  373.150926][    C1]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  373.151069][    C1]  ? ip_local_deliver_finish (./include/linux/rcupdate.h:300 (discriminator 2) ./include/linux/rcupdate.h:840 (discriminator 2) net/ipv4/ip_input.c:240 (discriminator 2))
[  373.151214][    C1]  ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207)
[  373.151355][    C1]  ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6668 (discriminator 2))
[  373.151607][    C1]  ip_local_deliver_finish (net/ipv4/ip_input.c:241 (discriminator 1))
[  373.151748][    C1]  ip_local_deliver (./include/linux/netfilter.h:318 ./include/linux/netfilter.h:312 net/ipv4/ip_input.c:262)
[  373.151892][    C1]  ? ip_local_deliver_finish (net/ipv4/ip_input.c:232 (discriminator 42))
[  373.152035][    C1]  ? ip_rcv_finish_core (./include/linux/skbuff.h:1164 (discriminator 2) ./include/net/route.h:88 (discriminator 2) net/ipv4/ip_input.c:435 (discriminator 2))
[  373.152271][    C1]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  373.152420][    C1]  ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6668 (discriminator 2))
[  373.152557][    C1]  ip_rcv (./include/linux/netfilter.h:318 ./include/linux/netfilter.h:312 net/ipv4/ip_input.c:612)
[  373.152662][    C1]  ? ip_local_deliver (./include/linux/rcupdate.h:869 (discriminator 3))
[  373.152902][    C1]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  373.153048][    C1]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  373.153187][    C1]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  373.153326][    C1]  ? nbcon_legacy_emit_next_record (kernel/printk/nbcon.c:1523)
[  373.153598][    C1]  __netif_receive_skb_one_core (net/core/dev.c:6206)
[  373.153777][    C1]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  373.153919][    C1]  ? __netif_receive_skb_list_core (net/core/dev.c:6252 (discriminator 2))
[  373.154092][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  373.154329][    C1]  process_backlog (net/core/dev.c:6670)
[  373.154476][    C1]  __napi_poll (net/core/dev.c:7729)
[  373.154583][    C1]  net_rx_action (net/core/dev.c:7792 net/core/dev.c:7949)
[  373.154723][    C1]  ? __napi_poll (./include/net/gro.h:507)
[  373.154965][    C1]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  373.155111][    C1]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  373.155250][    C1]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  373.155395][    C1]  handle_softirqs (kernel/softirq.c:622)
[  373.155633][    C1]  ? _local_bh_enable (kernel/softirq.c:405 (discriminator 1))
[  373.155771][    C1]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  373.155912][    C1]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:169 (discriminator 1) kernel/locking/spinlock.c:190 (discriminator 1))
[  373.156057][    C1]  do_softirq (kernel/softirq.c:523 (discriminator 19) kernel/softirq.c:510 (discriminator 19))
[  373.156258][    C1]  </IRQ>
[  373.156330][    C1]  <TASK>
[  373.156405][    C1]  ? __dev_queue_xmit (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:911 (discriminator 2) net/core/dev.c:4907 (discriminator 2))
[  373.156544][    C1]  __local_bh_enable_ip (kernel/softirq.c:450)
[  373.156683][    C1]  __dev_queue_xmit (./include/linux/bottom_half.h:33 (discriminator 2) ./include/linux/rcupdate.h:914 (discriminator 2) net/core/dev.c:4907 (discriminator 2))
[  373.156924][    C1]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  373.157070][    C1]  ? netdev_core_pick_tx (net/core/dev.c:4733)
[  373.157209][    C1]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  373.157348][    C1]  ? eth_header (net/ethernet/eth.c:99)
[  373.157591][    C1]  ? neigh_connected_output (./include/linux/netdevice.h:3493 net/core/neighbour.c:1640)
[  373.157733][    C1]  ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:136 (discriminator 3))
[  373.157878][    C1]  ? ip6_xmit (net/ipv6/ip6_output.c:328)
[  373.158020][    C1]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  373.158257][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  373.158403][    C1]  ? ip6_mtu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:871 (discriminator 2) ./include/net/ip6_route.h:382 (discriminator 2) net/ipv6/route.c:3290 (discriminator 2))
[  373.158511][    C1]  ip6_finish_output (net/ipv6/ip6_output.c:208 net/ipv6/ip6_output.c:219)
[  373.158652][    C1]  ip6_output (./include/linux/netfilter.h:307 net/ipv6/ip6_output.c:246)
[  373.158758][    C1]  ? ip6_finish_output (./include/linux/skbuff.h:1167)
[  373.159002][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  373.159142][    C1]  ? xfrm_bundle_lookup.constprop.0 (net/xfrm/xfrm_policy.c:3049)
[  373.159315][    C1]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  373.159461][    C1]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[  373.159601][    C1]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[  373.159743][    C1]  ? icmp6_dst_alloc (net/ipv6/route.c:3364)
[  373.159890][    C1]  mld_sendpack (./include/net/dst.h:470 (discriminator 4) ./include/linux/netfilter.h:318 (discriminator 4) ./include/linux/netfilter.h:312 (discriminator 4) net/ipv6/mcast.c:1853 (discriminator 4))
[  373.160132][    C1]  ? nf_hook.constprop.0 (./include/linux/netfilter.h:278)
[  373.160277][    C1]  ? mld_send_cr (./include/linux/lockdep.h:249 net/ipv6/mcast.c:2131)
[  373.160423][    C1]  mld_ifc_work (net/ipv6/mcast.c:2694)
[  373.160567][    C1]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  373.160706][    C1]  process_one_work (kernel/workqueue.c:3314)
[  373.160850][    C1]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  373.160994][    C1]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  373.161137][    C1]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  373.161277][    C1]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  373.161421][    C1]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  373.161561][    C1]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  373.161700][    C1]  kthread (kernel/kthread.c:436)
[  373.161805][    C1]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  373.161987][    C1]  ? kthread_affine_node (kernel/kthread.c:378)
[  373.162128][    C1]  ret_from_fork (arch/x86/kernel/process.c:158)
[  373.162270][    C1]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  373.162450][    C1]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  373.162591][    C1]  ? kthread_affine_node (kernel/kthread.c:378)
[  373.162732][    C1]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  373.164370][    C1] BUG: KASAN: use-after-free in udp_tun_rx_dst (net/ipv4/udp_tunnel_core.c:218 (discriminator 1))
| [  373.164508][    C1] Read of size 2 at addr ff11000013ccc001 by task kworker/1:1/52
| [  373.164640][    C1]
| [  373.164689][    C1] Tainted: [W]=WARN
[  373.164690][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  373.164691][    C1] Workqueue: mld mld_ifc_work
[  373.164693][    C1] Call Trace:
[  373.164694][    C1]  <IRQ>
[  373.164695][    C1]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  373.164697][    C1]  print_address_description.constprop.0 (mm/kasan/report.c:378)
[  373.164702][    C1]  print_report (mm/kasan/report.c:482)
[  373.164704][    C1]  ? __virt_addr_valid (./include/linux/rcupdate.h:939 ./include/linux/mmzone.h:2281 arch/x86/mm/physaddr.c:54)
[  373.164706][    C1]  ? __virt_addr_valid (./include/linux/rcupdate.h:965 (discriminator 1) ./include/linux/mmzone.h:2291 (discriminator 1) arch/x86/mm/physaddr.c:54 (discriminator 1))
[  373.164708][    C1]  kasan_report (mm/kasan/report.c:595)
[  373.164710][    C1]  ? udp_tun_rx_dst (net/ipv4/udp_tunnel_core.c:218 (discriminator 1))
[  373.164712][    C1]  ? udp_tun_rx_dst (net/ipv4/udp_tunnel_core.c:218 (discriminator 1))
[  373.164715][    C1]  udp_tun_rx_dst (net/ipv4/udp_tunnel_core.c:218 (discriminator 1))
[  373.164717][    C1] vxlan_rcv (drivers/net/vxlan/vxlan_core.c:1729 (discriminator 2)) vxlan
[  373.164721][    C1]  ? fib_table_lookup (net/ipv4/fib_trie.c:1613)
[  373.164722][    C1]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  373.164725][    C1]  ? encap_bypass_if_local (drivers/net/vxlan/vxlan_core.c:2327) vxlan
[  373.164729][    C1]  ? udp4_lib_lookup2 (./include/net/net_namespace.h:419 (discriminator 1) ./include/net/sock.h:713 (discriminator 1) net/ipv4/udp.c:370 (discriminator 1) net/ipv4/udp.c:474 (discriminator 1))
[  373.164731][    C1]  ? __udp4_lib_lookup (net/ipv4/udp.c:713)
[  373.164733][    C1]  ? encap_bypass_if_local (drivers/net/vxlan/vxlan_core.c:2327) vxlan
[  373.164736][    C1]  ? udp_queue_rcv_one_skb (net/ipv4/udp.c:2388)
[  373.164738][    C1]  udp_queue_rcv_one_skb (net/ipv4/udp.c:2388)
[  373.164739][    C1]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  373.164741][    C1]  ? ww_mutex_trylock (kernel/locking/mutex.c:107 (discriminator 3) kernel/locking/mutex.c:134 (discriminator 3) kernel/locking/mutex.c:860 (discriminator 3))
[  373.164742][    C1]  udp_unicast_rcv_skb (net/ipv4/udp.c:2574)
[  373.164744][    C1]  ? udp_rcv (net/ipv4/udp.c:741 (discriminator 3) net/ipv4/udp.c:2649 (discriminator 3))
[  373.164746][    C1]  udp_rcv (net/ipv4/udp.c:2651)
[  373.164748][    C1]  ? udp_sk_rx_dst_set (net/ipv4/udp.c:2451 (discriminator 1))
[  373.164750][    C1]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  373.164752][    C1]  ? ip_local_deliver_finish (./include/linux/rcupdate.h:300 (discriminator 2) ./include/linux/rcupdate.h:840 (discriminator 2) net/ipv4/ip_input.c:240 (discriminator 2))
[  373.164754][    C1]  ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207)
[  373.164756][    C1]  ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6668 (discriminator 2))
[  373.164758][    C1]  ip_local_deliver_finish (net/ipv4/ip_input.c:241 (discriminator 1))
[  373.164760][    C1]  ip_local_deliver (./include/linux/netfilter.h:318 ./include/linux/netfilter.h:312 net/ipv4/ip_input.c:262)
[  373.164761][    C1]  ? ip_local_deliver_finish (net/ipv4/ip_input.c:232 (discriminator 42))
[  373.164763][    C1]  ? ip_rcv_finish_core (./include/linux/skbuff.h:1164 (discriminator 2) ./include/net/route.h:88 (discriminator 2) net/ipv4/ip_input.c:435 (discriminator 2))
[  373.164765][    C1]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  373.164767][    C1]  ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6668 (discriminator 2))
[  373.164768][    C1]  ip_rcv (./include/linux/netfilter.h:318 ./include/linux/netfilter.h:312 net/ipv4/ip_input.c:612)
[  373.164770][    C1]  ? ip_local_deliver (./include/linux/rcupdate.h:869 (discriminator 3))
[  373.164771][    C1]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  373.164773][    C1]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  373.164775][    C1]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  373.164776][    C1]  ? nbcon_legacy_emit_next_record (kernel/printk/nbcon.c:1523)
[  373.164778][    C1]  __netif_receive_skb_one_core (net/core/dev.c:6206)
[  373.164780][    C1]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  373.164782][    C1]  ? __netif_receive_skb_list_core (net/core/dev.c:6252 (discriminator 2))
[  373.164783][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  373.164785][    C1]  process_backlog (net/core/dev.c:6670)
[  373.164788][    C1]  __napi_poll (net/core/dev.c:7729)
[  373.164790][    C1]  net_rx_action (net/core/dev.c:7792 net/core/dev.c:7949)
[  373.164792][    C1]  ? __napi_poll (./include/net/gro.h:507)
[  373.164794][    C1]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  373.164797][    C1]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  373.164799][    C1]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  373.164801][    C1]  handle_softirqs (kernel/softirq.c:622)
[  373.164803][    C1]  ? _local_bh_enable (kernel/softirq.c:405 (discriminator 1))
[  373.164805][    C1]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  373.164807][    C1]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:169 (discriminator 1) kernel/locking/spinlock.c:190 (discriminator 1))
[  373.164809][    C1]  do_softirq (kernel/softirq.c:523 (discriminator 19) kernel/softirq.c:510 (discriminator 19))
[  373.164811][    C1]  </IRQ>
[  373.164811][    C1]  <TASK>
[  373.164812][    C1]  ? __dev_queue_xmit (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:911 (discriminator 2) net/core/dev.c:4907 (discriminator 2))
[  373.164813][    C1]  __local_bh_enable_ip (kernel/softirq.c:450)
[  373.164815][    C1]  __dev_queue_xmit (./include/linux/bottom_half.h:33 (discriminator 2) ./include/linux/rcupdate.h:914 (discriminator 2) net/core/dev.c:4907 (discriminator 2))
[  373.164817][    C1]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  373.164819][    C1]  ? netdev_core_pick_tx (net/core/dev.c:4733)
[  373.164821][    C1]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  373.164822][    C1]  ? eth_header (net/ethernet/eth.c:99)
[  373.164824][    C1]  ? neigh_connected_output (./include/linux/netdevice.h:3493 net/core/neighbour.c:1640)
[  373.164827][    C1]  ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:136 (discriminator 3))
[  373.164829][    C1]  ? ip6_xmit (net/ipv6/ip6_output.c:328)
[  373.164830][    C1]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  373.164832][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  373.164834][    C1]  ? ip6_mtu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:871 (discriminator 2) ./include/net/ip6_route.h:382 (discriminator 2) net/ipv6/route.c:3290 (discriminator 2))
[  373.164836][    C1]  ip6_finish_output (net/ipv6/ip6_output.c:208 net/ipv6/ip6_output.c:219)
[  373.164838][    C1]  ip6_output (./include/linux/netfilter.h:307 net/ipv6/ip6_output.c:246)
[  373.164839][    C1]  ? ip6_finish_output (./include/linux/skbuff.h:1167)
[  373.164840][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  373.164842][    C1]  ? xfrm_bundle_lookup.constprop.0 (net/xfrm/xfrm_policy.c:3049)
[  373.164844][    C1]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  373.164846][    C1]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[  373.164847][    C1]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[  373.164849][    C1]  ? icmp6_dst_alloc (net/ipv6/route.c:3364)
[  373.164851][    C1]  mld_sendpack (./include/net/dst.h:470 (discriminator 4) ./include/linux/netfilter.h:318 (discriminator 4) ./include/linux/netfilter.h:312 (discriminator 4) net/ipv6/mcast.c:1853 (discriminator 4))
[  373.164853][    C1]  ? nf_hook.constprop.0 (./include/linux/netfilter.h:278)
[  373.164856][    C1]  ? mld_send_cr (./include/linux/lockdep.h:249 net/ipv6/mcast.c:2131)
[  373.164862][    C1]  mld_ifc_work (net/ipv6/mcast.c:2694)
[  373.164864][    C1]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  373.164866][    C1]  process_one_work (kernel/workqueue.c:3314)
[  373.164869][    C1]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  373.164871][    C1]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  373.164874][    C1]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  373.164876][    C1]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  373.164878][    C1]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  373.164880][    C1]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  373.164882][    C1]  kthread (kernel/kthread.c:436)
[  373.164883][    C1]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  373.164885][    C1]  ? kthread_affine_node (kernel/kthread.c:378)
[  373.164887][    C1]  ret_from_fork (arch/x86/kernel/process.c:158)
[  373.164889][    C1]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  373.164891][    C1]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  373.164892][    C1]  ? kthread_affine_node (kernel/kthread.c:378)
[  373.164894][    C1]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  373.177527][    C1] ------------[ cut here ]------------
| [  373.177612][    C1] WARNING: ./include/linux/skbuff.h:3094 at udp_tun_rx_dst+0xa89/0x1060, CPU#1: 1/52
| [  373.177831][    C1] Modules linked in: vxlan
| [  373.178148][    C1] Tainted: [B]=BAD_PAGE, [W]=WARN
[  373.178236][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  373.178343][    C1] Workqueue: mld mld_ifc_work
[  373.178435][    C1] RIP: 0010:udp_tun_rx_dst (./include/linux/skbuff.h:3094 (discriminator 4) ./include/linux/udp.h:23 (discriminator 4) net/ipv4/udp_tunnel_core.c:219 (discriminator 4))
[  373.178578][    C1] Code: c7 be 08 00 00 00 4c 89 4c 24 18 4c 89 44 24 20 e8 4c 6b 74 fe 4c 8b 44 24 20 49 0f ba 28 08 4c 8b 4c 24 18 e9 c0 f9 ff ff 90 <0f> 0b 90 e9 7d fb ff ff 90 0f 0b 90 e9 f1 f9 ff ff 90 0f 0b 90 e9
All code
========
   0:	c7                   	(bad)
   1:	be 08 00 00 00       	mov    $0x8,%esi
   6:	4c 89 4c 24 18       	mov    %r9,0x18(%rsp)
   b:	4c 89 44 24 20       	mov    %r8,0x20(%rsp)
  10:	e8 4c 6b 74 fe       	call   0xfffffffffe746b61
  15:	4c 8b 44 24 20       	mov    0x20(%rsp),%r8
  1a:	49 0f ba 28 08       	btsq   $0x8,(%r8)
  1f:	4c 8b 4c 24 18       	mov    0x18(%rsp),%r9
  24:	e9 c0 f9 ff ff       	jmp    0xfffffffffffff9e9
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 7d fb ff ff       	jmp    0xfffffffffffffbaf
  32:	90                   	nop
  33:	0f 0b                	ud2
  35:	90                   	nop
  36:	e9 f1 f9 ff ff       	jmp    0xfffffffffffffa2c
  3b:	90                   	nop
  3c:	0f 0b                	ud2
  3e:	90                   	nop
  3f:	e9                   	.byte 0xe9

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 7d fb ff ff       	jmp    0xfffffffffffffb85
   8:	90                   	nop
   9:	0f 0b                	ud2
   b:	90                   	nop
   c:	e9 f1 f9 ff ff       	jmp    0xfffffffffffffa02
  11:	90                   	nop
  12:	0f 0b                	ud2
  14:	90                   	nop
  15:	e9                   	.byte 0xe9
[  373.178942][    C1] RSP: 0018:ffa00000001d0648 EFLAGS: 00010246
[  373.179052][    C1] RAX: 0000000000000007 RBX: 000000000000ffff RCX: 0000000000000001
[  373.179180][    C1] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffffb5dbc6a0
[  373.179360][    C1] RBP: ffa00000001d06a0 R08: ff11000013da14c8 R09: ff1100000c4d2200
[  373.179493][    C1] R10: fffffbfff6bb78d5 R11: fffffbfff6bb78d5 R12: ff11000013da14dc
[  373.179622][    C1] R13: ff11000013da14da R14: ff1100000c4d22b6 R15: ff11000013da1400
[  373.179800][    C1] FS:  0000000000000000(0000) GS:ff110000b6330000(0000) knlGS:0000000000000000
[  373.179958][    C1] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  373.180066][    C1] CR2: 00007f3cff166f98 CR3: 000000001dd4d005 CR4: 0000000000771ef0
[  373.180247][    C1] PKRU: 55555554
[  373.180311][    C1] Call Trace:
[  373.180375][    C1]  <IRQ>
[  373.180424][    C1] vxlan_rcv (drivers/net/vxlan/vxlan_core.c:1729 (discriminator 2)) vxlan
[  373.180561][    C1]  ? fib_table_lookup (net/ipv4/fib_trie.c:1613)
[  373.180648][    C1]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  373.180734][    C1]  ? encap_bypass_if_local (drivers/net/vxlan/vxlan_core.c:2327) vxlan
[  373.180841][    C1]  ? udp4_lib_lookup2 (./include/net/net_namespace.h:419 (discriminator 1) ./include/net/sock.h:713 (discriminator 1) net/ipv4/udp.c:370 (discriminator 1) net/ipv4/udp.c:474 (discriminator 1))
[  373.180987][    C1]  ? __udp4_lib_lookup (net/ipv4/udp.c:713)
[  373.181073][    C1]  ? encap_bypass_if_local (drivers/net/vxlan/vxlan_core.c:2327) vxlan
[  373.181180][    C1]  ? udp_queue_rcv_one_skb (net/ipv4/udp.c:2388)
[  373.181267][    C1]  udp_queue_rcv_one_skb (net/ipv4/udp.c:2388)
[  373.181407][    C1]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  373.181493][    C1]  ? ww_mutex_trylock (kernel/locking/mutex.c:107 (discriminator 3) kernel/locking/mutex.c:134 (discriminator 3) kernel/locking/mutex.c:860 (discriminator 3))
[  373.181578][    C1]  udp_unicast_rcv_skb (net/ipv4/udp.c:2574)
[  373.181665][    C1]  ? udp_rcv (net/ipv4/udp.c:741 (discriminator 3) net/ipv4/udp.c:2649 (discriminator 3))
[  373.181778][    C1]  udp_rcv (net/ipv4/udp.c:2651)
[  373.181844][    C1]  ? udp_sk_rx_dst_set (net/ipv4/udp.c:2451 (discriminator 1))
[  373.181933][    C1]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  373.182023][    C1]  ? ip_local_deliver_finish (./include/linux/rcupdate.h:300 (discriminator 2) ./include/linux/rcupdate.h:840 (discriminator 2) net/ipv4/ip_input.c:240 (discriminator 2))
[  373.182158][    C1]  ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207)
[  373.182244][    C1]  ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6668 (discriminator 2))
[  373.182331][    C1]  ip_local_deliver_finish (net/ipv4/ip_input.c:241 (discriminator 1))
[  373.182421][    C1]  ip_local_deliver (./include/linux/netfilter.h:318 ./include/linux/netfilter.h:312 net/ipv4/ip_input.c:262)
[  373.182557][    C1]  ? ip_local_deliver_finish (net/ipv4/ip_input.c:232 (discriminator 42))
[  373.182643][    C1]  ? ip_rcv_finish_core (./include/linux/skbuff.h:1164 (discriminator 2) ./include/net/route.h:88 (discriminator 2) net/ipv4/ip_input.c:435 (discriminator 2))
[  373.182729][    C1]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  373.182815][    C1]  ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6668 (discriminator 2))
[  373.182957][    C1]  ip_rcv (./include/linux/netfilter.h:318 ./include/linux/netfilter.h:312 net/ipv4/ip_input.c:612)
[  373.183025][    C1]  ? ip_local_deliver (./include/linux/rcupdate.h:869 (discriminator 3))
[  373.183110][    C1]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  373.183196][    C1]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  373.183331][    C1]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  373.183421][    C1]  ? nbcon_legacy_emit_next_record (kernel/printk/nbcon.c:1523)
[  373.183526][    C1]  __netif_receive_skb_one_core (net/core/dev.c:6206)
[  373.183632][    C1]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  373.183768][    C1]  ? __netif_receive_skb_list_core (net/core/dev.c:6252 (discriminator 2))
[  373.183880][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  373.183969][    C1]  process_backlog (net/core/dev.c:6670)
[  373.184054][    C1]  __napi_poll (net/core/dev.c:7729)
[  373.184169][    C1]  net_rx_action (net/core/dev.c:7792 net/core/dev.c:7949)
[  373.184255][    C1]  ? __napi_poll (./include/net/gro.h:507)
[  373.184340][    C1]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  373.184431][    C1]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  373.184569][    C1]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  373.184655][    C1]  handle_softirqs (kernel/softirq.c:622)
[  373.184742][    C1]  ? _local_bh_enable (kernel/softirq.c:405 (discriminator 1))
[  373.184828][    C1]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  373.184972][    C1]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:169 (discriminator 1) kernel/locking/spinlock.c:190 (discriminator 1))
[  373.185058][    C1]  do_softirq (kernel/softirq.c:523 (discriminator 19) kernel/softirq.c:510 (discriminator 19))
[  373.185124][    C1]  </IRQ>
[  373.185167][    C1]  <TASK>
[  373.185210][    C1]  ? __dev_queue_xmit (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:911 (discriminator 2) net/core/dev.c:4907 (discriminator 2))
[  373.185345][    C1]  __local_bh_enable_ip (kernel/softirq.c:450)
[  373.185433][    C1]  __dev_queue_xmit (./include/linux/bottom_half.h:33 (discriminator 2) ./include/linux/rcupdate.h:914 (discriminator 2) net/core/dev.c:4907 (discriminator 2))
[  373.185519][    C1]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  373.185604][    C1]  ? netdev_core_pick_tx (net/core/dev.c:4733)
[  373.185739][    C1]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  373.185826][    C1]  ? eth_header (net/ethernet/eth.c:99)
[  373.185915][    C1]  ? neigh_connected_output (./include/linux/netdevice.h:3493 net/core/neighbour.c:1640)
[  373.186008][    C1]  ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:136 (discriminator 3))
[  373.186143][    C1]  ? ip6_xmit (net/ipv6/ip6_output.c:328)
[  373.186228][    C1]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  373.186312][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  373.186403][    C1]  ? ip6_mtu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:871 (discriminator 2) ./include/net/ip6_route.h:382 (discriminator 2) net/ipv6/route.c:3290 (discriminator 2))
[  373.186517][    C1]  ip6_finish_output (net/ipv6/ip6_output.c:208 net/ipv6/ip6_output.c:219)
[  373.186603][    C1]  ip6_output (./include/linux/netfilter.h:307 net/ipv6/ip6_output.c:246)
[  373.186668][    C1]  ? ip6_finish_output (./include/linux/skbuff.h:1167)
[  373.186756][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  373.186841][    C1]  ? xfrm_bundle_lookup.constprop.0 (net/xfrm/xfrm_policy.c:3049)
[  373.187002][    C1]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  373.187089][    C1]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[  373.187174][    C1]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[  373.187309][    C1]  ? icmp6_dst_alloc (net/ipv6/route.c:3364)
[  373.187401][    C1]  mld_sendpack (./include/net/dst.h:470 (discriminator 4) ./include/linux/netfilter.h:318 (discriminator 4) ./include/linux/netfilter.h:312 (discriminator 4) net/ipv6/mcast.c:1853 (discriminator 4))
[  373.187487][    C1]  ? nf_hook.constprop.0 (./include/linux/netfilter.h:278)
[  373.187573][    C1]  ? mld_send_cr (./include/linux/lockdep.h:249 net/ipv6/mcast.c:2131)
[  373.187707][    C1]  mld_ifc_work (net/ipv6/mcast.c:2694)
[  373.187794][    C1]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  373.187884][    C1]  process_one_work (kernel/workqueue.c:3314)
[  373.188003][    C1]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  373.188238][    C1]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  373.188335][    C1]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  373.188433][    C1]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  373.188521][    C1]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  373.188655][    C1]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  373.188741][    C1]  kthread (kernel/kthread.c:436)
[  373.188806][    C1]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  373.188917][    C1]  ? kthread_affine_node (kernel/kthread.c:378)
[  373.189060][    C1]  ret_from_fork (arch/x86/kernel/process.c:158)
[  373.189146][    C1]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  373.189254][    C1]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  373.189344][    C1]  ? kthread_affine_node (kernel/kthread.c:378)


Finger prints:
print_report:kasan_report:udp_tun_rx_dst:vxlan_rcv:udp_queue_rcv_one_skb
udp_tun_rx_dst:vxlan_rcv:udp_queue_rcv_one_skb:udp_unicast_rcv_skb:udp_rcv