======================================
| [  553.359332][ T7906] br1: port 2(vxlan1) entered forwarding state
| [  553.902239][    C0] ------------[ cut here ]------------
| [  553.902649][    C0] WARNING: ./include/linux/skbuff.h:3239 at __udp4_lib_err_encap+0x69a/0xad0, CPU#0: 0/12
| [  553.902938][    C0] Modules linked in: cls_bpf cls_matchall vxcan can_dev xfrm_interface ip6_gre ip_gre gre macsec ipvlan vxlan xt_conntrack nf_conntrack nf_defrag_ipv4 nft_compat nf_tables nf_defrag_ipv6 sctp_diag sctp act_mirred cls_u32 sch_ingress ifb [last unloaded: psample]
[  553.904012][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  553.904193][    C0] Workqueue: ipv6_addrconf addrconf_dad_work
[  553.904386][    C0] RIP: 0010:__udp4_lib_err_encap (./include/linux/skbuff.h:3239 (discriminator 3) ./include/linux/skbuff.h:3235 (discriminator 3) net/ipv4/udp.c:864 (discriminator 3))
[  553.904572][    C0] Code: 84 02 00 00 0f b6 2e 83 e5 0f 90 0f 0b 90 e9 ef fa ff ff 90 0f 0b 90 90 0f 0b 90 e9 bd fc ff ff 90 0f 0b 90 e9 57 fa ff ff 90 <0f> 0b 90 e9 65 fa ff ff 4c 8b 74 24 20 4c 8b 6c 24 28 4d 89 fa 45
All code
========
   0:	84 02                	test   %al,(%rdx)
   2:	00 00                	add    %al,(%rax)
   4:	0f b6 2e             	movzbl (%rsi),%ebp
   7:	83 e5 0f             	and    $0xf,%ebp
   a:	90                   	nop
   b:	0f 0b                	ud2
   d:	90                   	nop
   e:	e9 ef fa ff ff       	jmp    0xfffffffffffffb02
  13:	90                   	nop
  14:	0f 0b                	ud2
  16:	90                   	nop
  17:	90                   	nop
  18:	0f 0b                	ud2
  1a:	90                   	nop
  1b:	e9 bd fc ff ff       	jmp    0xfffffffffffffcdd
  20:	90                   	nop
  21:	0f 0b                	ud2
  23:	90                   	nop
  24:	e9 57 fa ff ff       	jmp    0xfffffffffffffa80
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 65 fa ff ff       	jmp    0xfffffffffffffa97
  32:	4c 8b 74 24 20       	mov    0x20(%rsp),%r14
  37:	4c 8b 6c 24 28       	mov    0x28(%rsp),%r13
  3c:	4d 89 fa             	mov    %r15,%r10
  3f:	45                   	rex.RB

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 65 fa ff ff       	jmp    0xfffffffffffffa6d
   8:	4c 8b 74 24 20       	mov    0x20(%rsp),%r14
   d:	4c 8b 6c 24 28       	mov    0x28(%rsp),%r13
  12:	4d 89 fa             	mov    %r15,%r10
  15:	45                   	rex.RB
[  553.905072][    C0] RSP: 0018:ffa0000000007868 EFLAGS: 00010293
[  553.905259][    C0] RAX: ff1100001787ede4 RBX: ff1100000cdb4e40 RCX: 0000000000000000
[  553.905470][    C0] RDX: ff1100001787ee00 RSI: ff1100001787edec RDI: fffffffffffffff8
[  553.905681][    C0] RBP: ff1100001787edc0 R08: ff1100001787edec R09: 0000000000000000
[  553.905893][    C0] R10: ff1100000cdb4ef8 R11: 0000000000000001 R12: 0000000000000000
[  553.906103][    C0] R13: ff1100000cdb4f08 R14: ff1100000cdb4ef6 R15: ff1100000eaadd40
[  553.906324][    C0] FS:  0000000000000000(0000) GS:ff110000c9ad4000(0000) knlGS:0000000000000000
[  553.906574][    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  553.906754][    C0] CR2: 00007f0c555cb574 CR3: 000000001d14e003 CR4: 0000000000771ef0
[  553.906965][    C0] PKRU: 55555554
[  553.907071][    C0] Call Trace:
[  553.907182][    C0]  <IRQ>
[  553.907263][    C0]  udp_err (net/ipv4/udp.c:933)
[  553.907377][    C0]  icmp_unreach (net/ipv4/icmp.c:1196)
[  553.907517][    C0]  ? __skb_checksum_complete (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/linux/refcount.h:170 ./include/linux/skbuff.h:2112 net/core/skbuff.c:3785)
[  553.907661][    C0]  icmp_rcv (net/ipv4/icmp.c:1525 (discriminator 1))
[  553.907768][    C0]  ip_protocol_deliver_rcu (net/ipv4/ip_input.c:209)
[  553.907909][    C0]  ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6671 (discriminator 2))
[  553.908049][    C0]  ip_local_deliver_finish (./include/linux/rcupdate.h:867 net/ipv4/ip_input.c:242)
[  553.908193][    C0]  ip_local_deliver (net/ipv4/ip_input.c:259)
[  553.908336][    C0]  ? ip_local_deliver_finish (net/ipv4/ip_input.c:251)
[  553.908479][    C0]  ? ip_rcv_finish_core (net/ipv4/ip_input.c:409 (discriminator 1))
[  553.908618][    C0]  ? do_xdp_generic (net/core/dev.c:5979)
[  553.908762][    C0]  ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6671 (discriminator 2))
[  553.908903][    C0]  ip_rcv (./include/linux/netfilter.h:318 ./include/linux/netfilter.h:312 net/ipv4/ip_input.c:612)
[  553.909008][    C0]  ? ip_local_deliver (net/ipv4/ip_input.c:605)
[  553.909154][    C0]  ? mark_usage (kernel/locking/lockdep.c:4674 (discriminator 1))
[  553.909308][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  553.909447][    C0]  ? netif_close_many (./include/linux/list.h:127 ./include/linux/list.h:223 ./include/linux/list.h:295 net/core/dev.c:1799)
[  553.909591][    C0]  __netif_receive_skb_one_core (net/core/dev.c:6202)
[  553.909764][    C0]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:5870 (discriminator 2))
[  553.909903][    C0]  ? __netif_receive_skb_list_core (net/core/dev.c:6202)
[  553.910075][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  553.910223][    C0]  process_backlog (./include/linux/rcupdate.h:867 net/core/dev.c:6674)
[  553.910371][    C0]  __napi_poll (net/core/dev.c:7737)
[  553.910477][    C0]  net_rx_action (net/core/dev.c:7800 net/core/dev.c:7957)
[  553.910619][    C0]  ? __napi_poll (net/core/dev.c:7919)
[  553.910757][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 11) kernel/locking/lockdep.c:4411 (discriminator 11))
[  553.910929][    C0]  ? warn_bogus_irq_restore (kernel/locking/irqflag-debug.c:10 (discriminator 6))
[  553.911072][    C0]  ? rcu_do_batch (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 kernel/rcu/tree_nocb.h:1635 kernel/rcu/tree.c:2683)
[  553.911221][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 11) kernel/locking/lockdep.c:4411 (discriminator 11))
[  553.911396][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4473)
[  553.911538][    C0]  ? mark_held_locks (kernel/locking/lockdep.c:4325 (discriminator 1))
[  553.911680][    C0]  handle_softirqs (./arch/x86/include/asm/jump_label.h:37 ./include/trace/events/irq.h:142 kernel/softirq.c:623)
[  553.911822][    C0]  ? _local_bh_enable (kernel/softirq.c:580)
[  553.911962][    C0]  ? _local_bh_enable (kernel/softirq.c:580)
[  553.912104][    C0]  do_softirq (kernel/softirq.c:523 (discriminator 19) kernel/softirq.c:510 (discriminator 19))
[  553.912212][    C0]  </IRQ>
[  553.912290][    C0]  <TASK>
[  553.912360][    C0]  ? __dev_queue_xmit (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:909 (discriminator 2) net/core/dev.c:4905 (discriminator 2))
[  553.912502][    C0]  __local_bh_enable_ip (kernel/softirq.c:450)
[  553.912644][    C0]  __dev_queue_xmit (net/core/dev.c:4906)
[  553.912783][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  553.912921][    C0]  ? netdev_core_pick_tx (net/core/dev.c:4767)
[  553.913063][    C0]  ? __asan_memcpy (mm/kasan/shadow.c:105 (discriminator 3))
[  553.913207][    C0]  ? eth_header (net/ethernet/eth.c:100)
[  553.913353][    C0]  ? neigh_connected_output (./include/linux/netdevice.h:3458 net/core/neighbour.c:1643)
[  553.913495][    C0]  ip6_finish_output2 (net/ipv6/ip6_output.c:61)
[  553.913638][    C0]  ? ip6_xmit (net/ipv6/ip6_output.c:61)
[  553.913778][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5350 (discriminator 1))
[  553.913916][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5536)
[  553.914062][    C0]  ? ip6_mtu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/ip6_route.h:382 (discriminator 2) net/ipv6/route.c:3281 (discriminator 2))
[  553.914172][    C0]  ip6_finish_output (net/ipv6/ip6_output.c:208 net/ipv6/ip6_output.c:219)
[  553.914318][    C0]  ip6_output (./include/linux/netfilter.h:307 net/ipv6/ip6_output.c:246)
[  553.914426][    C0]  ? ip6_finish_output (net/ipv6/ip6_output.c:227)
[  553.914567][    C0]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:5870 (discriminator 2))
[  553.914703][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5350 (discriminator 1))
[  553.914841][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5536)
[  553.914978][    C0]  ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455)
[  553.915119][    C0]  ndisc_send_skb (./include/net/dst.h:470 (discriminator 4) ./include/linux/netfilter.h:318 (discriminator 4) net/ipv6/ndisc.c:512 (discriminator 4))
[  553.915270][    C0]  ? ndisc_recv_na (net/ipv6/ndisc.c:470)
[  553.915411][    C0]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:106 (discriminator 9))
[  553.915551][    C0]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 (discriminator 2) ./include/asm-generic/bitops/instrumented-atomic.h:72 (discriminator 2) kernel/workqueue.c:2097 (discriminator 2))
[  553.915689][    C0]  ? mark_held_locks (kernel/locking/lockdep.c:4325 (discriminator 1))
[  553.915828][    C0]  ndisc_send_ns (net/ipv6/ndisc.c:657)
[  553.915967][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5350 (discriminator 1))
[  553.916104][    C0]  ? ndisc_parse_options (net/ipv6/ndisc.c:657)
[  553.916243][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:114)
[  553.916388][    C0]  ? mark_held_locks (kernel/locking/lockdep.c:4325 (discriminator 1))
[  553.916526][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4473)
[  553.916667][    C0]  addrconf_dad_work (net/ipv6/addrconf.c:4294)
[  553.916806][    C0]  ? addrconf_dad_begin (net/ipv6/addrconf.c:4189)
[  553.916943][    C0]  ? process_one_work (kernel/workqueue.c:3264 (discriminator 2))
[  553.917080][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  553.917221][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  553.917365][    C0]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 24) kernel/locking/lockdep.c:5831 (discriminator 24))
[  553.917502][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  553.917641][    C0]  process_one_work (kernel/workqueue.c:3293)
[  553.917781][    C0]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:3189)
[  553.917916][    C0]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:5870 (discriminator 2))
[  553.918059][    C0]  worker_thread (kernel/workqueue.c:3365 (discriminator 5) kernel/workqueue.c:3452 (discriminator 5))
[  553.918204][    C0]  ? rescuer_thread (kernel/workqueue.c:3398)
[  553.918345][    C0]  kthread (kernel/kthread.c:436)
[  553.918450][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 24))
[  553.918621][    C0]  ? kthread_affine_node (kernel/kthread.c:381)
[  553.918759][    C0]  ret_from_fork (arch/x86/kernel/process.c:164)
[  553.918900][    C0]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  553.919071][    C0]  ? __switch_to (./arch/x86/include/asm/cpufeature.h:101 (discriminator 1) arch/x86/kernel/process_64.c:377 (discriminator 1) arch/x86/kernel/process_64.c:665 (discriminator 1))
[  553.919212][    C0]  ? kthread_affine_node (kernel/kthread.c:381)
[  553.919354][    C0]  ret_from_fork_asm (arch/x86/entry/entry_64.S:255)
| [  554.718782][    C2] ------------[ cut here ]------------
| [  554.718996][    C2] WARNING: ./include/linux/skbuff.h:3239 at __udp6_lib_err_encap+0x600/0x930, CPU#2: 1/50
| [  554.719339][    C2] Modules linked in: cls_bpf cls_matchall vxcan can_dev xfrm_interface ip6_gre ip_gre gre macsec ipvlan vxlan xt_conntrack nf_conntrack nf_defrag_ipv4 nft_compat nf_tables nf_defrag_ipv6 sctp_diag sctp act_mirred cls_u32 sch_ingress ifb [last unloaded: psample]
| [  554.720379][    C2] Tainted: [W]=WARN
[  554.720531][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  554.720746][    C2] Workqueue: mld mld_ifc_work
[  554.720937][    C2] RIP: 0010:__udp6_lib_err_encap (./include/linux/skbuff.h:3239 (discriminator 3) ./include/linux/skbuff.h:3235 (discriminator 3) net/ipv6/udp.c:652 (discriminator 3))
[  554.721161][    C2] Code: 08 84 d2 0f 85 4f 02 00 00 44 8b 4b 28 e9 a9 fe ff ff 4c 8b 6c 24 20 4c 8b 7c 24 28 45 31 e4 4c 8b 74 24 30 e9 ce fd ff ff 90 <0f> 0b 90 48 29 c5 48 89 e8 48 81 fd ff ff 00 00 0f 86 09 fb ff ff
All code
========
   0:	08 84 d2 0f 85 4f 02 	or     %al,0x24f850f(%rdx,%rdx,8)
   7:	00 00                	add    %al,(%rax)
   9:	44 8b 4b 28          	mov    0x28(%rbx),%r9d
   d:	e9 a9 fe ff ff       	jmp    0xfffffffffffffebb
  12:	4c 8b 6c 24 20       	mov    0x20(%rsp),%r13
  17:	4c 8b 7c 24 28       	mov    0x28(%rsp),%r15
  1c:	45 31 e4             	xor    %r12d,%r12d
  1f:	4c 8b 74 24 30       	mov    0x30(%rsp),%r14
  24:	e9 ce fd ff ff       	jmp    0xfffffffffffffdf7
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 29 c5             	sub    %rax,%rbp
  30:	48 89 e8             	mov    %rbp,%rax
  33:	48 81 fd ff ff 00 00 	cmp    $0xffff,%rbp
  3a:	0f 86 09 fb ff ff    	jbe    0xfffffffffffffb49

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 29 c5             	sub    %rax,%rbp
   6:	48 89 e8             	mov    %rbp,%rax
   9:	48 81 fd ff ff 00 00 	cmp    $0xffff,%rbp
  10:	0f 86 09 fb ff ff    	jbe    0xfffffffffffffb1f
[  554.721724][    C2] RSP: 0018:ffa00000002286a8 EFLAGS: 00010293
[  554.721942][    C2] RAX: ff1100002dcf9fc0 RBX: ff11000013d491c0 RCX: ff1100002dcfa030
[  554.722196][    C2] RDX: ff1100002dcfa000 RSI: ff1100002dcfa008 RDI: fffffffffffffff8
[  554.722466][    C2] RBP: ff1100002dcfa008 R08: 1fe22000027a9252 R09: ff11000013d491c0
[  554.722712][    C2] R10: ff1100000eaadd40 R11: 0000000000000004 R12: 0000000000000000
[  554.722957][    C2] R13: ff11000013d49276 R14: ff11000013d49288 R15: ff11000013d49278
[  554.723210][    C2] FS:  0000000000000000(0000) GS:ff110000c9bd4000(0000) knlGS:0000000000000000
[  554.723509][    C2] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  554.723724][    C2] CR2: 00007f83f3ed1888 CR3: 000000001d14e005 CR4: 0000000000771ef0
[  554.723968][    C2] PKRU: 55555554
[  554.724113][    C2] Call Trace:
[  554.724281][    C2]  <IRQ>
[  554.724399][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5350 (discriminator 1))
[  554.724590][    C2]  udpv6_err (net/ipv6/udp.c:714)
[  554.724742][    C2]  ? __udp6_lib_err_encap (net/ipv6/udp.c:695)
[  554.724925][    C2]  icmpv6_notify (net/ipv6/icmp.c:1087)
[  554.725108][    C2]  ? icmpv6_param_prob_reason (net/ipv6/icmp.c:1039)
[  554.725305][    C2]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:5870 (discriminator 2))
[  554.725485][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5350 (discriminator 1))
[  554.725667][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5536)
[  554.725854][    C2]  icmpv6_rcv (net/ipv6/icmp.c:1230)
[  554.726038][    C2]  ip6_protocol_deliver_rcu (net/ipv6/ip6_input.c:480)
[  554.726232][    C2]  ip6_input_finish (net/ipv6/ip6_input.c:532)
[  554.726456][    C2]  ip6_input (./include/linux/rcupdate.h:867 net/ipv6/ip6_input.c:543)
[  554.726606][    C2]  ? ip6_input_finish (net/ipv6/ip6_input.c:536)
[  554.726789][    C2]  ? ip6_rcv_core (./include/linux/skbuff.h:3395 net/ipv6/ip6_input.c:332)
[  554.726971][    C2]  ipv6_rcv (./include/net/dst.h:480 (discriminator 4) net/ipv6/ip6_input.c:119 (discriminator 4) ./include/linux/netfilter.h:318 (discriminator 4) ./include/linux/netfilter.h:312 (discriminator 4) net/ipv6/ip6_input.c:351 (discriminator 4))
[  554.727121][    C2]  ? ip6_rcv_core (net/ipv6/ip6_input.c:345)
[  554.727322][    C2]  ? mark_usage (kernel/locking/lockdep.c:4674 (discriminator 1))
[  554.727504][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  554.727686][    C2]  ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6671 (discriminator 2))
[  554.727867][    C2]  __netif_receive_skb_one_core (net/core/dev.c:6202)
[  554.728081][    C2]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:5870 (discriminator 2))
[  554.728280][    C2]  ? __netif_receive_skb_list_core (net/core/dev.c:6202)
[  554.728498][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  554.728685][    C2]  process_backlog (./include/linux/rcupdate.h:867 net/core/dev.c:6674)
[  554.728871][    C2]  __napi_poll (net/core/dev.c:7737)
[  554.729019][    C2]  net_rx_action (net/core/dev.c:7800 net/core/dev.c:7957)
[  554.729209][    C2]  ? __napi_poll (net/core/dev.c:7919)
[  554.729404][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  554.729592][    C2]  ? __run_timers (kernel/time/timer.c:2402)
[  554.729772][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  554.729954][    C2]  ? mark_held_locks (kernel/locking/lockdep.c:4325 (discriminator 1))
[  554.730138][    C2]  handle_softirqs (./arch/x86/include/asm/jump_label.h:37 ./include/trace/events/irq.h:142 kernel/softirq.c:623)
[  554.730337][    C2]  ? _local_bh_enable (kernel/softirq.c:580)
[  554.730521][    C2]  ? _local_bh_enable (kernel/softirq.c:580)
[  554.730703][    C2]  do_softirq (kernel/softirq.c:523 (discriminator 19) kernel/softirq.c:510 (discriminator 19))
[  554.730850][    C2]  </IRQ>
[  554.730961][    C2]  <TASK>
[  554.731072][    C2]  ? __dev_queue_xmit (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:909 (discriminator 2) net/core/dev.c:4905 (discriminator 2))
[  554.731274][    C2]  __local_bh_enable_ip (kernel/softirq.c:450)
[  554.731462][    C2]  __dev_queue_xmit (net/core/dev.c:4906)
[  554.731643][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  554.731824][    C2]  ? netdev_core_pick_tx (net/core/dev.c:4767)
[  554.732006][    C2]  ? __asan_memcpy (mm/kasan/shadow.c:105 (discriminator 3))
[  554.732195][    C2]  ? eth_header (net/ethernet/eth.c:100)
[  554.732391][    C2]  ? neigh_connected_output (./include/linux/netdevice.h:3458 net/core/neighbour.c:1643)
[  554.732576][    C2]  ip6_finish_output2 (net/ipv6/ip6_output.c:61)
[  554.732759][    C2]  ? ip6_xmit (net/ipv6/ip6_output.c:61)
[  554.732940][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5350 (discriminator 1))
[  554.733123][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5536)
[  554.733328][    C2]  ? ip6_mtu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/ip6_route.h:382 (discriminator 2) net/ipv6/route.c:3281 (discriminator 2))
[  554.733482][    C2]  ip6_finish_output (net/ipv6/ip6_output.c:208 net/ipv6/ip6_output.c:219)
[  554.733665][    C2]  ip6_output (./include/linux/netfilter.h:307 net/ipv6/ip6_output.c:246)
[  554.733814][    C2]  ? ip6_finish_output (net/ipv6/ip6_output.c:227)
[  554.733992][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5536)
[  554.734182][    C2]  ? xfrm_bundle_lookup.constprop.0 (net/xfrm/xfrm_policy.c:3177)
[  554.734408][    C2]  ? mark_held_locks (kernel/locking/lockdep.c:4325 (discriminator 1))
[  554.734592][    C2]  ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455)
[  554.734771][    C2]  ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455)
[  554.734951][    C2]  ? icmp6_dst_alloc (net/ipv6/route.c:3357 (discriminator 1))
[  554.735133][    C2]  mld_sendpack (./include/linux/netfilter.h:319 ./include/linux/netfilter.h:312 net/ipv6/mcast.c:1855)
[  554.735332][    C2]  ? nf_hook.constprop.0 (net/ipv4/ip_forward.c:66)
[  554.735520][    C2]  ? mld_send_cr (net/ipv6/mcast.c:2131 (discriminator 14))
[  554.735704][    C2]  mld_ifc_work (net/ipv6/mcast.c:2695)
[  554.735885][    C2]  ? process_one_work (kernel/workqueue.c:3264 (discriminator 2))
[  554.736065][    C2]  process_one_work (kernel/workqueue.c:3293)
[  554.736270][    C2]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:3189)
[  554.736448][    C2]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:5870 (discriminator 2))
[  554.736636][    C2]  worker_thread (kernel/workqueue.c:3365 (discriminator 5) kernel/workqueue.c:3452 (discriminator 5))
[  554.736825][    C2]  ? rescuer_thread (kernel/workqueue.c:3398)
[  554.737008][    C2]  ? __kthread_parkme (./arch/x86/include/asm/bitops.h:202 (discriminator 1) ./arch/x86/include/asm/bitops.h:232 (discriminator 1) ./include/asm-generic/bitops/instrumented-non-atomic.h:142 (discriminator 1) kernel/kthread.c:272 (discriminator 1))
[  554.737195][    C2]  ? rescuer_thread (kernel/workqueue.c:3398)
[  554.737415][    C2]  kthread (kernel/kthread.c:436)
[  554.737564][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 24))
[  554.737780][    C2]  ? kthread_affine_node (kernel/kthread.c:381)
[  554.737962][    C2]  ret_from_fork (arch/x86/kernel/process.c:164)
[  554.738147][    C2]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  554.738387][    C2]  ? __switch_to (./arch/x86/include/asm/cpufeature.h:101 (discriminator 1) arch/x86/kernel/process_64.c:377 (discriminator 1) arch/x86/kernel/process_64.c:665 (discriminator 1))
[  554.738570][    C2]  ? kthread_affine_node (kernel/kthread.c:381)


Finger prints:
__udp6_lib_err_encap:udpv6_err:icmpv6_notify:icmpv6_rcv:ip6_protocol_deliver_rcu
__udp4_lib_err_encap:udp_err:icmp_unreach:icmp_rcv:ip_protocol_deliver_rcu