======================================
| [  277.947215][ T7672] br0: port 2(vx0) entered forwarding state
| [  277.963843][    C3] ------------[ cut here ]------------
| [  277.964064][    C3] WARNING: ./include/linux/skbuff.h:3094 at udp_tun_rx_dst+0xa92/0x1060, CPU#3: 0/34
| [  277.964355][    C3] Modules linked in: vxlan xfrm_user xt_policy nft_compat nf_tables
[  277.964982][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  277.965166][    C3] Workqueue: mld mld_ifc_work
[  277.965357][    C3] 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))
[  277.965509][    C3] 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)
[  277.966066][    C3] RSP: 0018:ffa0000000280648 EFLAGS: 00010246
[  277.966245][    C3] RAX: 0000000000000007 RBX: 000000000000ffff RCX: 0000000000000000
[  277.966459][    C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000013f69024
[  277.966675][    C3] RBP: ffa00000002806a0 R08: ff1100000eb756c8 R09: ff1100000dfc78c0
[  277.966893][    C3] R10: ffe21c0001d6eadc R11: ffe21c0001d6eadc R12: ff1100000eb756dc
[  277.967105][    C3] R13: ff1100000eb756da R14: ff1100000dfc7976 R15: ff1100000eb75600
[  277.967318][    C3] FS:  0000000000000000(0000) GS:ff110000d1a30000(0000) knlGS:0000000000000000
[  277.967573][    C3] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  277.967758][    C3] CR2: 0000556edcfeed5c CR3: 000000000f7f3003 CR4: 0000000000771ef0
[  277.967972][    C3] PKRU: 55555554
[  277.968083][    C3] Call Trace:
[  277.968189][    C3]  <IRQ>
[  277.968265][    C3] vxlan_rcv (drivers/net/vxlan/vxlan_core.c:1729 (discriminator 2)) vxlan
[  277.968419][    C3]  ? encap_bypass_if_local (drivers/net/vxlan/vxlan_core.c:2327) vxlan
[  277.968607][    C3]  ? 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))
[  277.968755][    C3]  ? __udp4_lib_lookup (net/ipv4/udp.c:713)
[  277.968901][    C3]  ? encap_bypass_if_local (drivers/net/vxlan/vxlan_core.c:2327) vxlan
[  277.969078][    C3]  ? udp_queue_rcv_one_skb (net/ipv4/udp.c:2388)
[  277.969219][    C3]  udp_queue_rcv_one_skb (net/ipv4/udp.c:2388)
[  277.969359][    C3]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  277.969503][    C3]  ? hlock_conflict (kernel/locking/lockdep.c:2000 (discriminator 2))
[  277.969653][    C3]  udp_unicast_rcv_skb (net/ipv4/udp.c:2574)
[  277.969799][    C3]  ? udp_rcv (net/ipv4/udp.c:741 (discriminator 3) net/ipv4/udp.c:2649 (discriminator 3))
[  277.969908][    C3]  udp_rcv (net/ipv4/udp.c:2651)
[  277.970016][    C3]  ? udp_sk_rx_dst_set (net/ipv4/udp.c:2451 (discriminator 1))
[  277.970160][    C3]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  277.970301][    C3]  ? 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))
[  277.970444][    C3]  ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207)
[  277.970591][    C3]  ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6668 (discriminator 2))
[  277.970735][    C3]  ip_local_deliver_finish (net/ipv4/ip_input.c:241 (discriminator 1))
[  277.970876][    C3]  ip_local_deliver (./include/linux/netfilter.h:318 ./include/linux/netfilter.h:312 net/ipv4/ip_input.c:262)
[  277.971017][    C3]  ? ip_local_deliver_finish (net/ipv4/ip_input.c:232 (discriminator 42))
[  277.971158][    C3]  ? ip_rcv_finish_core (net/ipv4/ip_input.c:407 (discriminator 1))
[  277.971297][    C3]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  277.971441][    C3]  ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6668 (discriminator 2))
[  277.971584][    C3]  ip_rcv (./include/linux/netfilter.h:318 ./include/linux/netfilter.h:312 net/ipv4/ip_input.c:612)
[  277.971693][    C3]  ? ip_local_deliver (./include/linux/rcupdate.h:869 (discriminator 3))
[  277.971835][    C3]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  277.971976][    C3]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  277.972117][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  277.972259][    C3]  __netif_receive_skb_one_core (net/core/dev.c:6206)
[  277.972446][    C3]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  277.972600][    C3]  ? __netif_receive_skb_list_core (net/core/dev.c:6252 (discriminator 2))
[  277.972779][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  277.972924][    C3]  process_backlog (net/core/dev.c:6670)
[  277.973066][    C3]  __napi_poll (net/core/dev.c:7729)
[  277.973173][    C3]  net_rx_action (net/core/dev.c:7792 net/core/dev.c:7949)
[  277.973318][    C3]  ? __napi_poll (./include/net/gro.h:507)
[  277.973465][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  277.973622][    C3]  ? clockevents_program_event (kernel/time/clockevents.c:372)
[  277.973809][    C3]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[  277.973949][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  277.974090][    C3]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  277.974231][    C3]  handle_softirqs (kernel/softirq.c:622)
[  277.974373][    C3]  ? _local_bh_enable (kernel/softirq.c:405 (discriminator 1))
[  277.974514][    C3]  do_softirq (kernel/softirq.c:523 (discriminator 19) kernel/softirq.c:510 (discriminator 19))
[  277.974625][    C3]  </IRQ>
[  277.974697][    C3]  <TASK>
[  277.974770][    C3]  ? __dev_queue_xmit (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:911 (discriminator 2) net/core/dev.c:4907 (discriminator 2))
[  277.974909][    C3]  __local_bh_enable_ip (kernel/softirq.c:450)
[  277.975051][    C3]  __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))
[  277.975192][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  277.975333][    C3]  ? netdev_core_pick_tx (net/core/dev.c:4733)
[  277.975476][    C3]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  277.975619][    C3]  ? eth_header (net/ethernet/eth.c:99)
[  277.975764][    C3]  ? neigh_connected_output (./include/linux/netdevice.h:3493 net/core/neighbour.c:1640)
[  277.975913][    C3]  ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:136 (discriminator 3))
[  277.976060][    C3]  ? ip6_xmit (net/ipv6/ip6_output.c:328)
[  277.976207][    C3]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  277.976351][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  277.976493][    C3]  ? 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))
[  277.976609][    C3]  ip6_finish_output (net/ipv6/ip6_output.c:208 net/ipv6/ip6_output.c:219)
[  277.976758][    C3]  ip6_output (./include/linux/netfilter.h:307 net/ipv6/ip6_output.c:246)
[  277.976865][    C3]  ? ip6_finish_output (./include/linux/skbuff.h:1167)
[  277.977003][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  277.977149][    C3]  ? xfrm_bundle_lookup.constprop.0 (net/xfrm/xfrm_policy.c:3049)
[  277.977327][    C3]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  277.977467][    C3]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[  277.977611][    C3]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[  277.977756][    C3]  ? icmp6_dst_alloc (net/ipv6/route.c:3364)
[  277.977896][    C3]  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))
[  277.978037][    C3]  ? nf_hook.constprop.0 (./include/linux/netfilter.h:278)
[  277.978181][    C3]  ? mld_send_cr (./include/linux/lockdep.h:249 net/ipv6/mcast.c:2131)
[  277.978322][    C3]  mld_ifc_work (net/ipv6/mcast.c:2694)
[  277.978462][    C3]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  277.978607][    C3]  process_one_work (kernel/workqueue.c:3314)
[  277.978756][    C3]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  277.978896][    C3]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  277.979039][    C3]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  277.979184][    C3]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  277.979323][    C3]  kthread (kernel/kthread.c:436)
[  277.979429][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  277.979609][    C3]  ? kthread_affine_node (kernel/kthread.c:378)
[  277.979753][    C3]  ret_from_fork (arch/x86/kernel/process.c:158)
[  277.979894][    C3]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  277.980067][    C3]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  277.980209][    C3]  ? kthread_affine_node (kernel/kthread.c:378)
[  277.980349][    C3]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  277.981994][    C3] BUG: KASAN: use-after-free in udp_tun_rx_dst (net/ipv4/udp_tunnel_core.c:217 (discriminator 1))
| [  277.982132][    C3] Read of size 2 at addr ff11000013f78fff by task kworker/3:0/34
| [  277.982263][    C3]
| [  277.982313][    C3] Tainted: [W]=WARN
[  277.982314][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  277.982315][    C3] Workqueue: mld mld_ifc_work
[  277.982318][    C3] Call Trace:
[  277.982319][    C3]  <IRQ>
[  277.982319][    C3]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  277.982322][    C3]  print_address_description.constprop.0 (mm/kasan/report.c:378)
[  277.982326][    C3]  print_report (mm/kasan/report.c:482)
[  277.982329][    C3]  ? __virt_addr_valid (./include/linux/rcupdate.h:939 ./include/linux/mmzone.h:2281 arch/x86/mm/physaddr.c:54)
[  277.982331][    C3]  ? __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))
[  277.982333][    C3]  kasan_report (mm/kasan/report.c:595)
[  277.982335][    C3]  ? udp_tun_rx_dst (net/ipv4/udp_tunnel_core.c:217 (discriminator 1))
[  277.982337][    C3]  ? udp_tun_rx_dst (net/ipv4/udp_tunnel_core.c:217 (discriminator 1))
[  277.982340][    C3]  udp_tun_rx_dst (net/ipv4/udp_tunnel_core.c:217 (discriminator 1))
[  277.982342][    C3] vxlan_rcv (drivers/net/vxlan/vxlan_core.c:1729 (discriminator 2)) vxlan
[  277.982348][    C3]  ? encap_bypass_if_local (drivers/net/vxlan/vxlan_core.c:2327) vxlan
[  277.982352][    C3]  ? 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))
[  277.982354][    C3]  ? __udp4_lib_lookup (net/ipv4/udp.c:713)
[  277.982356][    C3]  ? encap_bypass_if_local (drivers/net/vxlan/vxlan_core.c:2327) vxlan
[  277.982359][    C3]  ? udp_queue_rcv_one_skb (net/ipv4/udp.c:2388)
[  277.982361][    C3]  udp_queue_rcv_one_skb (net/ipv4/udp.c:2388)
[  277.982362][    C3]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  277.982364][    C3]  ? hlock_conflict (kernel/locking/lockdep.c:2000 (discriminator 2))
[  277.982365][    C3]  udp_unicast_rcv_skb (net/ipv4/udp.c:2574)
[  277.982367][    C3]  ? udp_rcv (net/ipv4/udp.c:741 (discriminator 3) net/ipv4/udp.c:2649 (discriminator 3))
[  277.982369][    C3]  udp_rcv (net/ipv4/udp.c:2651)
[  277.982371][    C3]  ? udp_sk_rx_dst_set (net/ipv4/udp.c:2451 (discriminator 1))
[  277.982373][    C3]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  277.982375][    C3]  ? 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))
[  277.982377][    C3]  ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207)
[  277.982379][    C3]  ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6668 (discriminator 2))
[  277.982381][    C3]  ip_local_deliver_finish (net/ipv4/ip_input.c:241 (discriminator 1))
[  277.982383][    C3]  ip_local_deliver (./include/linux/netfilter.h:318 ./include/linux/netfilter.h:312 net/ipv4/ip_input.c:262)
[  277.982385][    C3]  ? ip_local_deliver_finish (net/ipv4/ip_input.c:232 (discriminator 42))
[  277.982386][    C3]  ? ip_rcv_finish_core (net/ipv4/ip_input.c:407 (discriminator 1))
[  277.982388][    C3]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  277.982390][    C3]  ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6668 (discriminator 2))
[  277.982391][    C3]  ip_rcv (./include/linux/netfilter.h:318 ./include/linux/netfilter.h:312 net/ipv4/ip_input.c:612)
[  277.982393][    C3]  ? ip_local_deliver (./include/linux/rcupdate.h:869 (discriminator 3))
[  277.982394][    C3]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  277.982396][    C3]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  277.982398][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  277.982400][    C3]  __netif_receive_skb_one_core (net/core/dev.c:6206)
[  277.982402][    C3]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  277.982404][    C3]  ? __netif_receive_skb_list_core (net/core/dev.c:6252 (discriminator 2))
[  277.982406][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  277.982408][    C3]  process_backlog (net/core/dev.c:6670)
[  277.982410][    C3]  __napi_poll (net/core/dev.c:7729)
[  277.982412][    C3]  net_rx_action (net/core/dev.c:7792 net/core/dev.c:7949)
[  277.982414][    C3]  ? __napi_poll (./include/net/gro.h:507)
[  277.982416][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  277.982419][    C3]  ? clockevents_program_event (kernel/time/clockevents.c:372)
[  277.982421][    C3]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[  277.982423][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  277.982424][    C3]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  277.982426][    C3]  handle_softirqs (kernel/softirq.c:622)
[  277.982428][    C3]  ? _local_bh_enable (kernel/softirq.c:405 (discriminator 1))
[  277.982431][    C3]  do_softirq (kernel/softirq.c:523 (discriminator 19) kernel/softirq.c:510 (discriminator 19))
[  277.982432][    C3]  </IRQ>
[  277.982433][    C3]  <TASK>
[  277.982433][    C3]  ? __dev_queue_xmit (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:911 (discriminator 2) net/core/dev.c:4907 (discriminator 2))
[  277.982435][    C3]  __local_bh_enable_ip (kernel/softirq.c:450)
[  277.982436][    C3]  __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))
[  277.982438][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  277.982441][    C3]  ? netdev_core_pick_tx (net/core/dev.c:4733)
[  277.982442][    C3]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  277.982444][    C3]  ? eth_header (net/ethernet/eth.c:99)
[  277.982446][    C3]  ? neigh_connected_output (./include/linux/netdevice.h:3493 net/core/neighbour.c:1640)
[  277.982448][    C3]  ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:136 (discriminator 3))
[  277.982451][    C3]  ? ip6_xmit (net/ipv6/ip6_output.c:328)
[  277.982452][    C3]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  277.982454][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  277.982456][    C3]  ? 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))
[  277.982457][    C3]  ip6_finish_output (net/ipv6/ip6_output.c:208 net/ipv6/ip6_output.c:219)
[  277.982459][    C3]  ip6_output (./include/linux/netfilter.h:307 net/ipv6/ip6_output.c:246)
[  277.982461][    C3]  ? ip6_finish_output (./include/linux/skbuff.h:1167)
[  277.982462][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  277.982464][    C3]  ? xfrm_bundle_lookup.constprop.0 (net/xfrm/xfrm_policy.c:3049)
[  277.982466][    C3]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  277.982468][    C3]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[  277.982469][    C3]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[  277.982471][    C3]  ? icmp6_dst_alloc (net/ipv6/route.c:3364)
[  277.982473][    C3]  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))
[  277.982475][    C3]  ? nf_hook.constprop.0 (./include/linux/netfilter.h:278)
[  277.982478][    C3]  ? mld_send_cr (./include/linux/lockdep.h:249 net/ipv6/mcast.c:2131)
[  277.982480][    C3]  mld_ifc_work (net/ipv6/mcast.c:2694)
[  277.982482][    C3]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  277.982484][    C3]  process_one_work (kernel/workqueue.c:3314)
[  277.982487][    C3]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  277.982488][    C3]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  277.982492][    C3]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  277.982495][    C3]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  277.982497][    C3]  kthread (kernel/kthread.c:436)
[  277.982498][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  277.982500][    C3]  ? kthread_affine_node (kernel/kthread.c:378)
[  277.982502][    C3]  ret_from_fork (arch/x86/kernel/process.c:158)
[  277.982504][    C3]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  277.982506][    C3]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  277.982508][    C3]  ? kthread_affine_node (kernel/kthread.c:378)
[  277.982510][    C3]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  277.993599][    C3] ------------[ cut here ]------------
| [  277.993696][    C3] WARNING: ./include/linux/skbuff.h:3094 at udp_tun_rx_dst+0xa9b/0x1060, CPU#3: 0/34
| [  277.993880][    C3] Modules linked in: vxlan xfrm_user xt_policy nft_compat nf_tables
| [  277.994200][    C3] Tainted: [B]=BAD_PAGE, [W]=WARN
[  277.994289][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  277.994401][    C3] Workqueue: mld mld_ifc_work
[  277.994492][    C3] 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))
[  277.994588][    C3] 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)
[  277.994906][    C3] RSP: 0018:ffa0000000280648 EFLAGS: 00010246
[  277.995018][    C3] RAX: 0000000000000007 RBX: 000000000000ffff RCX: 0000000000000001
[  277.995152][    C3] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff9a7bc6a0
[  277.995283][    C3] RBP: ffa00000002806a0 R08: ff1100000eb756c8 R09: ff1100000dfc78c0
[  277.995420][    C3] R10: fffffbfff34f78d5 R11: fffffbfff34f78d5 R12: ff1100000eb756dc
[  277.995552][    C3] R13: ff1100000eb756da R14: ff1100000dfc7976 R15: ff1100000eb75600
[  277.995685][    C3] FS:  0000000000000000(0000) GS:ff110000d1a30000(0000) knlGS:0000000000000000
[  277.995848][    C3] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  277.995958][    C3] CR2: 0000556edcfeed5c CR3: 000000000f7f3003 CR4: 0000000000771ef0
[  277.996096][    C3] PKRU: 55555554
[  277.996167][    C3] Call Trace:
[  277.996233][    C3]  <IRQ>
[  277.996282][    C3] vxlan_rcv (drivers/net/vxlan/vxlan_core.c:1729 (discriminator 2)) vxlan
[  277.996375][    C3]  ? encap_bypass_if_local (drivers/net/vxlan/vxlan_core.c:2327) vxlan
[  277.996493][    C3]  ? 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))
[  277.996590][    C3]  ? __udp4_lib_lookup (net/ipv4/udp.c:713)
[  277.996682][    C3]  ? encap_bypass_if_local (drivers/net/vxlan/vxlan_core.c:2327) vxlan
[  277.996804][    C3]  ? udp_queue_rcv_one_skb (net/ipv4/udp.c:2388)
[  277.996894][    C3]  udp_queue_rcv_one_skb (net/ipv4/udp.c:2388)
[  277.996983][    C3]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  277.997074][    C3]  ? hlock_conflict (kernel/locking/lockdep.c:2000 (discriminator 2))
[  277.997162][    C3]  udp_unicast_rcv_skb (net/ipv4/udp.c:2574)
[  277.997252][    C3]  ? udp_rcv (net/ipv4/udp.c:741 (discriminator 3) net/ipv4/udp.c:2649 (discriminator 3))
[  277.997319][    C3]  udp_rcv (net/ipv4/udp.c:2651)
[  277.997391][    C3]  ? udp_sk_rx_dst_set (net/ipv4/udp.c:2451 (discriminator 1))
[  277.997479][    C3]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  277.997574][    C3]  ? 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))
[  277.997666][    C3]  ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207)
[  277.997756][    C3]  ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6668 (discriminator 2))
[  277.997849][    C3]  ip_local_deliver_finish (net/ipv4/ip_input.c:241 (discriminator 1))
[  277.997937][    C3]  ip_local_deliver (./include/linux/netfilter.h:318 ./include/linux/netfilter.h:312 net/ipv4/ip_input.c:262)
[  277.998027][    C3]  ? ip_local_deliver_finish (net/ipv4/ip_input.c:232 (discriminator 42))
[  277.998114][    C3]  ? ip_rcv_finish_core (net/ipv4/ip_input.c:407 (discriminator 1))
[  277.998202][    C3]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  277.998291][    C3]  ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6668 (discriminator 2))
[  277.998378][    C3]  ip_rcv (./include/linux/netfilter.h:318 ./include/linux/netfilter.h:312 net/ipv4/ip_input.c:612)
[  277.998444][    C3]  ? ip_local_deliver (./include/linux/rcupdate.h:869 (discriminator 3))
[  277.998531][    C3]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  277.998625][    C3]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  277.998717][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  277.998810][    C3]  __netif_receive_skb_one_core (net/core/dev.c:6206)
[  277.998922][    C3]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  277.999009][    C3]  ? __netif_receive_skb_list_core (net/core/dev.c:6252 (discriminator 2))
[  277.999120][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  277.999212][    C3]  process_backlog (net/core/dev.c:6670)
[  277.999299][    C3]  __napi_poll (net/core/dev.c:7729)
[  277.999369][    C3]  net_rx_action (net/core/dev.c:7792 net/core/dev.c:7949)
[  277.999457][    C3]  ? __napi_poll (./include/net/gro.h:507)
[  277.999545][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  277.999643][    C3]  ? clockevents_program_event (kernel/time/clockevents.c:372)
[  277.999764][    C3]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[  277.999851][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  277.999941][    C3]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  278.000029][    C3]  handle_softirqs (kernel/softirq.c:622)
[  278.000121][    C3]  ? _local_bh_enable (kernel/softirq.c:405 (discriminator 1))
[  278.000209][    C3]  do_softirq (kernel/softirq.c:523 (discriminator 19) kernel/softirq.c:510 (discriminator 19))
[  278.000274][    C3]  </IRQ>
[  278.000318][    C3]  <TASK>
[  278.000361][    C3]  ? __dev_queue_xmit (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:911 (discriminator 2) net/core/dev.c:4907 (discriminator 2))
[  278.000448][    C3]  __local_bh_enable_ip (kernel/softirq.c:450)
[  278.000534][    C3]  __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))
[  278.000629][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  278.000722][    C3]  ? netdev_core_pick_tx (net/core/dev.c:4733)
[  278.000813][    C3]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  278.000900][    C3]  ? eth_header (net/ethernet/eth.c:99)
[  278.000991][    C3]  ? neigh_connected_output (./include/linux/netdevice.h:3493 net/core/neighbour.c:1640)
[  278.001079][    C3]  ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:136 (discriminator 3))
[  278.001170][    C3]  ? ip6_xmit (net/ipv6/ip6_output.c:328)
[  278.001262][    C3]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  278.001350][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  278.001439][    C3]  ? 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))
[  278.001506][    C3]  ip6_finish_output (net/ipv6/ip6_output.c:208 net/ipv6/ip6_output.c:219)
[  278.001600][    C3]  ip6_output (./include/linux/netfilter.h:307 net/ipv6/ip6_output.c:246)
[  278.001666][    C3]  ? ip6_finish_output (./include/linux/skbuff.h:1167)
[  278.001756][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  278.001846][    C3]  ? xfrm_bundle_lookup.constprop.0 (net/xfrm/xfrm_policy.c:3049)
[  278.001957][    C3]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  278.002044][    C3]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[  278.002130][    C3]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[  278.002217][    C3]  ? icmp6_dst_alloc (net/ipv6/route.c:3364)
[  278.002305][    C3]  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))
[  278.002393][    C3]  ? nf_hook.constprop.0 (./include/linux/netfilter.h:278)
[  278.002483][    C3]  ? mld_send_cr (./include/linux/lockdep.h:249 net/ipv6/mcast.c:2131)
[  278.002574][    C3]  mld_ifc_work (net/ipv6/mcast.c:2694)
[  278.002661][    C3]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  278.002756][    C3]  process_one_work (kernel/workqueue.c:3314)
[  278.002848][    C3]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  278.002934][    C3]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  278.003024][    C3]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  278.003112][    C3]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  278.003202][    C3]  kthread (kernel/kthread.c:436)
[  278.003270][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  278.003381][    C3]  ? kthread_affine_node (kernel/kthread.c:378)
[  278.003468][    C3]  ret_from_fork (arch/x86/kernel/process.c:158)
[  278.003556][    C3]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  278.003668][    C3]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  278.003759][    C3]  ? kthread_affine_node (kernel/kthread.c:378)
[  278.003845][    C3]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  278.004805][    C3] ------------[ cut here ]------------
| [  278.004890][    C3] WARNING: ./include/linux/skbuff.h:3094 at udp_tun_rx_dst+0xa89/0x1060, CPU#3: 0/34
| [  278.005065][    C3] Modules linked in: vxlan xfrm_user xt_policy nft_compat nf_tables
| [  278.005374][    C3] Tainted: [B]=BAD_PAGE, [W]=WARN
[  278.005462][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  278.005577][    C3] Workqueue: mld mld_ifc_work
[  278.005666][    C3] 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))
[  278.005761][    C3] 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
[  278.006067][    C3] RSP: 0018:ffa0000000280648 EFLAGS: 00010246
[  278.006176][    C3] RAX: 0000000000000007 RBX: 000000000000ffff RCX: ffffffff97c31c3e
[  278.006308][    C3] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000
[  278.006439][    C3] RBP: ffa00000002806a0 R08: ff1100000eb756c8 R09: ff1100000dfc78c0
[  278.006573][    C3] R10: fffffbfff34f78d5 R11: fffffbfff34f78d5 R12: ff1100000eb756dc
[  278.006703][    C3] R13: ff1100000eb756da R14: ff1100000dfc7976 R15: ff1100000eb75600
[  278.006837][    C3] FS:  0000000000000000(0000) GS:ff110000d1a30000(0000) knlGS:0000000000000000
[  278.006989][    C3] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  278.007098][    C3] CR2: 0000556edcfeed5c CR3: 000000000f7f3003 CR4: 0000000000771ef0
[  278.007229][    C3] PKRU: 55555554
[  278.007294][    C3] Call Trace:
[  278.007359][    C3]  <IRQ>
[  278.007404][    C3] vxlan_rcv (drivers/net/vxlan/vxlan_core.c:1729 (discriminator 2)) vxlan
[  278.007501][    C3]  ? encap_bypass_if_local (drivers/net/vxlan/vxlan_core.c:2327) vxlan
[  278.007615][    C3]  ? 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))
[  278.007703][    C3]  ? __udp4_lib_lookup (net/ipv4/udp.c:713)
[  278.007793][    C3]  ? encap_bypass_if_local (drivers/net/vxlan/vxlan_core.c:2327) vxlan
[  278.007903][    C3]  ? udp_queue_rcv_one_skb (net/ipv4/udp.c:2388)
[  278.007998][    C3]  udp_queue_rcv_one_skb (net/ipv4/udp.c:2388)
[  278.008087][    C3]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  278.008174][    C3]  ? hlock_conflict (kernel/locking/lockdep.c:2000 (discriminator 2))
[  278.008261][    C3]  udp_unicast_rcv_skb (net/ipv4/udp.c:2574)
[  278.008351][    C3]  ? udp_rcv (net/ipv4/udp.c:741 (discriminator 3) net/ipv4/udp.c:2649 (discriminator 3))
[  278.008416][    C3]  udp_rcv (net/ipv4/udp.c:2651)
[  278.008483][    C3]  ? udp_sk_rx_dst_set (net/ipv4/udp.c:2451 (discriminator 1))
[  278.008578][    C3]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  278.008665][    C3]  ? 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))
[  278.008759][    C3]  ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207)
[  278.008846][    C3]  ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6668 (discriminator 2))
[  278.008932][    C3]  ip_local_deliver_finish (net/ipv4/ip_input.c:241 (discriminator 1))
[  278.009020][    C3]  ip_local_deliver (./include/linux/netfilter.h:318 ./include/linux/netfilter.h:312 net/ipv4/ip_input.c:262)
[  278.009106][    C3]  ? ip_local_deliver_finish (net/ipv4/ip_input.c:232 (discriminator 42))
[  278.009192][    C3]  ? ip_rcv_finish_core (net/ipv4/ip_input.c:407 (discriminator 1))
[  278.009281][    C3]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  278.009368][    C3]  ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6668 (discriminator 2))
[  278.009455][    C3]  ip_rcv (./include/linux/netfilter.h:318 ./include/linux/netfilter.h:312 net/ipv4/ip_input.c:612)
[  278.009520][    C3]  ? ip_local_deliver (./include/linux/rcupdate.h:869 (discriminator 3))
[  278.009612][    C3]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  278.009699][    C3]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  278.009789][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  278.009877][    C3]  __netif_receive_skb_one_core (net/core/dev.c:6206)
[  278.009986][    C3]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  278.010073][    C3]  ? __netif_receive_skb_list_core (net/core/dev.c:6252 (discriminator 2))
[  278.010234][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  278.010320][    C3]  process_backlog (net/core/dev.c:6670)
[  278.010409][    C3]  __napi_poll (net/core/dev.c:7729)
[  278.010479][    C3]  net_rx_action (net/core/dev.c:7792 net/core/dev.c:7949)
[  278.010621][    C3]  ? __napi_poll (./include/net/gro.h:507)
[  278.010708][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  278.010799][    C3]  ? clockevents_program_event (kernel/time/clockevents.c:372)
[  278.010907][    C3]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[  278.011043][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  278.011133][    C3]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  278.011221][    C3]  handle_softirqs (kernel/softirq.c:622)
[  278.011312][    C3]  ? _local_bh_enable (kernel/softirq.c:405 (discriminator 1))
[  278.011459][    C3]  do_softirq (kernel/softirq.c:523 (discriminator 19) kernel/softirq.c:510 (discriminator 19))
[  278.011528][    C3]  </IRQ>
[  278.011579][    C3]  <TASK>
[  278.011625][    C3]  ? __dev_queue_xmit (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:911 (discriminator 2) net/core/dev.c:4907 (discriminator 2))
[  278.011715][    C3]  __local_bh_enable_ip (kernel/softirq.c:450)
[  278.011860][    C3]  __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))
[  278.011947][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  278.012034][    C3]  ? netdev_core_pick_tx (net/core/dev.c:4733)
[  278.012125][    C3]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  278.012261][    C3]  ? eth_header (net/ethernet/eth.c:99)
[  278.012350][    C3]  ? neigh_connected_output (./include/linux/netdevice.h:3493 net/core/neighbour.c:1640)
[  278.012438][    C3]  ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:136 (discriminator 3))
[  278.012528][    C3]  ? ip6_xmit (net/ipv6/ip6_output.c:328)
[  278.012617][    C3]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  278.012706][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  278.012796][    C3]  ? 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))
[  278.012866][    C3]  ip6_finish_output (net/ipv6/ip6_output.c:208 net/ipv6/ip6_output.c:219)
[  278.013009][    C3]  ip6_output (./include/linux/netfilter.h:307 net/ipv6/ip6_output.c:246)
[  278.013075][    C3]  ? ip6_finish_output (./include/linux/skbuff.h:1167)
[  278.013163][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  278.013253][    C3]  ? xfrm_bundle_lookup.constprop.0 (net/xfrm/xfrm_policy.c:3049)
[  278.013414][    C3]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  278.013505][    C3]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[  278.013596][    C3]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[  278.013686][    C3]  ? icmp6_dst_alloc (net/ipv6/route.c:3364)
[  278.013828][    C3]  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))
[  278.013917][    C3]  ? nf_hook.constprop.0 (./include/linux/netfilter.h:278)
[  278.014005][    C3]  ? mld_send_cr (./include/linux/lockdep.h:249 net/ipv6/mcast.c:2131)
[  278.014092][    C3]  mld_ifc_work (net/ipv6/mcast.c:2694)
[  278.014233][    C3]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  278.014320][    C3]  process_one_work (kernel/workqueue.c:3314)
[  278.014409][    C3]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  278.014497][    C3]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  278.014640][    C3]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  278.014731][    C3]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  278.014818][    C3]  kthread (kernel/kthread.c:436)
[  278.014885][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  278.015042][    C3]  ? kthread_affine_node (kernel/kthread.c:378)
[  278.015129][    C3]  ret_from_fork (arch/x86/kernel/process.c:158)
[  278.015218][    C3]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  278.015326][    C3]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  278.015462][    C3]  ? 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