======================================
| [  759.965433][    C3] ==================================================================
| [ 759.965729][ C3] BUG: KASAN: slab-use-after-free in ___neigh_create (./include/linux/rculist.h:598 net/core/neighbour.c:688) 
| [  759.965994][    C3] Write of size 8 at addr ffff88800579b418 by task mausezahn/3388
| [  759.966245][    C3]
[  759.966640][    C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  759.967024][    C3] Call Trace:
[  759.967160][    C3]  <IRQ>
[ 759.967255][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 759.967436][ C3] print_address_description.constprop.0 (mm/kasan/report.c:378) 
[ 759.967656][ C3] ? ___neigh_create (./include/linux/rculist.h:598 net/core/neighbour.c:688) 
[ 759.967836][ C3] print_report (mm/kasan/report.c:489) 
[ 759.968006][ C3] ? kasan_addr_to_slab (./include/linux/mm.h:1282 mm/kasan/../slab.h:206 mm/kasan/common.c:38) 
[ 759.968173][ C3] kasan_report (mm/kasan/report.c:603) 
[ 759.968304][ C3] ? ___neigh_create (./include/linux/rculist.h:598 net/core/neighbour.c:688) 
[ 759.968473][ C3] ___neigh_create (./include/linux/rculist.h:598 net/core/neighbour.c:688) 
[ 759.968675][ C3] ip_finish_output2 (./include/net/route.h:381 ./include/net/route.h:399 net/ipv4/ip_output.c:229) 
[ 759.968856][ C3] ? mark_lock (kernel/locking/lockdep.c:4703 (discriminator 3)) 
[ 759.969023][ C3] ? __pfx_ip_finish_output2 (net/ipv4/ip_output.c:199) 
[ 759.969226][ C3] ? __ip_finish_output (./include/linux/skbuff.h:1672 ./include/linux/skbuff.h:5019 net/ipv4/ip_output.c:307 net/ipv4/ip_output.c:295) 
[ 759.969401][ C3] ip_output (./include/linux/netfilter.h:303 net/ipv4/ip_output.c:433) 
[ 759.969548][ C3] ? __pfx_ip_output (net/ipv4/ip_output.c:427) 
[ 759.969720][ C3] ? ip_local_out (net/ipv4/ip_output.c:128) 
[ 759.969912][ C3] iptunnel_xmit (net/ipv4/ip_tunnel_core.c:84 (discriminator 4)) 
[ 759.970089][ C3] ? dst_cache_per_cpu_dst_set (./arch/x86/include/asm/atomic.h:79 ./include/linux/atomic/atomic-arch-fallback.h:2401 ./include/linux/atomic/atomic-instrumented.h:1476 ./include/linux/rcuref.h:67 ./include/net/dst.h:238 net/core/dst_cache.c:33) 
[ 759.970288][ C3] ip_tunnel_xmit (net/ipv4/ip_tunnel.c:860) 
[ 759.970461][ C3] ? __pfx_ip_tunnel_xmit (net/ipv4/ip_tunnel.c:684) 
[ 759.970654][ C3] ? kasan_set_track (mm/kasan/common.c:62) 
[ 759.970822][ C3] ? __kasan_kmalloc (mm/kasan/common.c:398) 
[ 759.971016][ C3] ? skb_release_data (./include/linux/atomic/atomic-arch-fallback.h:787 ./include/linux/atomic/atomic-instrumented.h:290 ./include/linux/skbuff.h:1253 net/core/skbuff.c:1107) 
[ 759.971191][ C3] __gre_xmit (net/ipv4/ip_gre.c:472) ip_gre
[ 759.971365][ C3] ? __pfx___gre_xmit (net/ipv4/ip_gre.c:472) ip_gre
[ 759.971543][ C3] ? __pfx_pskb_expand_head (net/core/skbuff.c:2259) 
[ 759.971710][ C3] ? __pfx_packet_rcv (net/packet/af_packet.c:2184) 
[ 759.971910][ C3] gre_tap_xmit (net/ipv4/ip_gre.c:773) ip_gre
[ 759.972079][ C3] dev_hard_start_xmit (./include/linux/netdevice.h:4997 ./include/linux/netdevice.h:5006 net/core/dev.c:3590 net/core/dev.c:3606) 
[ 759.972255][ C3] sch_direct_xmit (net/sched/sch_generic.c:343) 
[ 759.972426][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5202) 
[ 759.972594][ C3] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5790) 
[ 759.972766][ C3] ? __pfx_sch_direct_xmit (net/sched/sch_generic.c:318) 
[ 759.972936][ C3] ? __dev_xmit_skb (./include/net/sch_generic.h:197 ./include/net/sch_generic.h:194 net/core/dev.c:3810) 
[ 759.973105][ C3] ? lock_acquire (kernel/locking/lockdep.c:5798) 
[ 759.973302][ C3] ? __dev_xmit_skb (./include/net/sch_generic.h:197 ./include/net/sch_generic.h:194 net/core/dev.c:3810) 
[ 759.973474][ C3] __dev_xmit_skb (net/core/dev.c:3823) 
[ 759.973640][ C3] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5790) 
[ 759.973837][ C3] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[ 759.974005][ C3] ? __pfx___dev_xmit_skb (net/core/dev.c:3798) 
[ 759.974187][ C3] ? __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:901 net/core/dev.c:4355) 
[ 759.974362][ C3] ? lock_acquire (kernel/locking/lockdep.c:5798) 
[ 759.974551][ C3] ? __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:901 net/core/dev.c:4355) 
[ 759.974721][ C3] __dev_queue_xmit (net/core/dev.c:4396) 
[ 759.974940][ C3] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) 
[ 759.975122][ C3] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 759.975291][ C3] ? __pfx___dev_queue_xmit (net/core/dev.c:4339) 
[ 759.975484][ C3] ? __create_object (mm/kmemleak.c:766) 
[ 759.975657][ C3] ? trace_kmem_cache_alloc (./include/trace/events/kmem.h:12 (discriminator 52)) 
[ 759.975852][ C3] ? kmem_cache_alloc_noprof (mm/slub.c:4147) 
[ 759.976019][ C3] ? __copy_skb_header (./include/net/dst.h:290 net/core/skbuff.c:1534) 
[ 759.976188][ C3] ? __skb_clone (./arch/x86/include/asm/atomic.h:53 (discriminator 4) ./include/linux/atomic/atomic-arch-fallback.h:992 (discriminator 4) ./include/linux/atomic/atomic-instrumented.h:436 (discriminator 4) net/core/skbuff.c:1605 (discriminator 4)) 
[ 759.976357][ C3] tcf_mirred_to_dev (net/sched/act_mirred.c:319) act_mirred
[ 759.976578][ C3] ? __lock_release (kernel/locking/lockdep.c:5501) 
[ 759.976745][ C3] ? is_bpf_text_address (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 kernel/bpf/core.c:769) 
[ 759.976914][ C3] tcf_mirred_act (net/sched/act_mirred.c:453 (discriminator 2)) act_mirred
[ 759.977122][ C3] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[ 759.977299][ C3] tcf_action_exec.part.0 (./include/net/tc_wrapper.h:130 net/sched/act_api.c:1143) 
[ 759.977477][ C3] fl_classify (net/sched/cls_flower.c:356) cls_flower
[ 759.977658][ C3] ? __pfx_fl_classify (net/sched/cls_flower.c:327) cls_flower
[ 759.977874][ C3] ? get_stack_info_noinstr (arch/x86/kernel/dumpstack_64.c:173) 
[ 759.978046][ C3] ? get_stack_info (arch/x86/kernel/dumpstack_64.c:199) 
[ 759.978220][ C3] ? stack_access_ok (arch/x86/kernel/unwind_orc.c:396) 
[ 759.978399][ C3] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 759.978569][ C3] ? unwind_next_frame (arch/x86/kernel/unwind_orc.c:643) 
[ 759.978741][ C3] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228) 
[ 759.978909][ C3] ? validate_chain (./include/linux/hash.h:78 kernel/locking/lockdep.c:3794 kernel/locking/lockdep.c:3817 kernel/locking/lockdep.c:3872) 
[ 759.979083][ C3] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 759.979249][ C3] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860) 
[ 759.979423][ C3] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228) 
[ 759.979618][ C3] ? validate_chain (./include/linux/hash.h:78 kernel/locking/lockdep.c:3794 kernel/locking/lockdep.c:3817 kernel/locking/lockdep.c:3872) 
[ 759.979805][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5202) 
[ 759.979972][ C3] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860) 
[ 759.980174][ C3] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228) 
[ 759.980362][ C3] ? mark_lock (kernel/locking/lockdep.c:4703 (discriminator 3)) 
[ 759.980496][ C3] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228) 
[ 759.980684][ C3] __tcf_classify (./include/net/tc_wrapper.h:197 net/sched/cls_api.c:1770) 
[ 759.980864][ C3] tcf_classify (net/sched/cls_api.c:1866) 
[ 759.981053][ C3] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) 
[ 759.981220][ C3] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5790) 
[ 759.981431][ C3] ? __pfx_tcf_classify (net/sched/cls_api.c:1815) 
[ 759.981600][ C3] tc_run (net/core/dev.c:4009) 
[ 759.981733][ C3] ? sock_def_readable (net/core/sock.c:3465) 
[ 759.981901][ C3] ? __pfx_tc_run (net/core/dev.c:3988) 
[ 759.982073][ C3] ? packet_rcv (net/packet/af_packet.c:2277) 
[ 759.982276][ C3] __netif_receive_skb_core.constprop.0 (net/core/dev.c:4084 net/core/dev.c:5528) 
[ 759.982494][ C3] ? kmem_cache_free (mm/slub.c:4579 mm/slub.c:4681) 
[ 759.982702][ C3] ? __pfx___netif_receive_skb_core.constprop.0 (net/core/dev.c:5455) 
[ 759.982912][ C3] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228) 
[ 759.983105][ C3] ? mark_lock (kernel/locking/lockdep.c:4703 (discriminator 3)) 
[ 759.983238][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5202) 
[ 759.983419][ C3] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6111) 
[ 759.983610][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5827) 
[ 759.983798][ C3] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6111) 
[ 759.983976][ C3] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6111) 
[ 759.984146][ C3] __netif_receive_skb_one_core (net/core/dev.c:5667) 
[ 759.984359][ C3] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5661) 
[ 759.984565][ C3] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6111) 
[ 759.984729][ C3] ? lock_acquire (kernel/locking/lockdep.c:5798) 
[ 759.984895][ C3] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6111) 
[ 759.985078][ C3] process_backlog (./include/linux/rcupdate.h:878 net/core/dev.c:6114) 
[ 759.985275][ C3] ? find_held_lock (kernel/locking/lockdep.c:5315) 
[ 759.985449][ C3] __napi_poll.constprop.0 (net/core/dev.c:6884) 
[ 759.985633][ C3] net_rx_action (net/core/dev.c:6953 net/core/dev.c:7075) 
[ 759.985806][ C3] ? __pfx_net_rx_action (net/core/dev.c:7037) 
[ 759.985981][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2491) 
[ 759.986161][ C3] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4339 kernel/locking/lockdep.c:4406) 
[ 759.986388][ C3] handle_softirqs (kernel/softirq.c:554) 
[ 759.986585][ C3] ? __dev_queue_xmit (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:917 net/core/dev.c:4457) 
[ 759.986755][ C3] do_softirq (kernel/softirq.c:455 kernel/softirq.c:442) 
[  759.986892][    C3]  </IRQ>
[  759.986991][    C3]  <TASK>
[ 759.987076][ C3] __local_bh_enable_ip (kernel/softirq.c:382) 
[ 759.987254][ C3] ? __dev_queue_xmit (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:917 net/core/dev.c:4457) 
[ 759.987422][ C3] __dev_queue_xmit (net/core/dev.c:4458) 
[ 759.987617][ C3] ? __pfx___dev_queue_xmit (net/core/dev.c:4339) 
[ 759.987783][ C3] ? packet_parse_headers (./include/linux/skbuff.h:3070 net/packet/af_packet.c:2006) 
[ 759.987977][ C3] ? __pfx_sock_alloc_send_pskb (net/core/sock.c:2845) 
[ 759.988151][ C3] ? __pfx_packet_parse_headers (net/packet/af_packet.c:1991) 
[ 759.988334][ C3] ? skb_copy_datagram_from_iter (net/core/datagram.c:564) 
[ 759.988552][ C3] ? dev_get_by_index (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/dev.c:892) 
[ 759.988724][ C3] packet_snd (net/packet/af_packet.c:3146) 
[ 759.988923][ C3] ? __lock_release (kernel/locking/lockdep.c:5501) 
[ 759.989091][ C3] ? __might_fault (mm/memory.c:6700 mm/memory.c:6693) 
[ 759.989286][ C3] ? __pfx_packet_snd (net/packet/af_packet.c:3009) 
[ 759.989452][ C3] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[ 759.989649][ C3] ? __might_fault (mm/memory.c:6700 mm/memory.c:6693) 
[ 759.989822][ C3] ? __might_fault (mm/memory.c:6700 mm/memory.c:6693) 
[ 759.990004][ C3] __sys_sendto (net/socket.c:729 net/socket.c:744 net/socket.c:2214) 
[ 759.990171][ C3] ? __pfx___sys_sendto (net/socket.c:2184) 
[ 759.990369][ C3] ? sock_ioctl (net/socket.c:1349) 
[ 759.990538][ C3] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) 
[ 759.990731][ C3] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 759.990908][ C3] ? do_user_addr_fault (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/linux/mm.h:729 arch/x86/mm/fault.c:1340) 
[ 759.991093][ C3] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:729 arch/x86/mm/fault.c:1340) 
[ 759.991283][ C3] __x64_sys_sendto (net/socket.c:2222) 
[ 759.991457][ C3] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) 
[ 759.991695][ C3] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 759.991868][ C3] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  759.992109][    C3] RIP: 0033:0x7f045eca385a
[ 759.992300][ C3] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[  759.992914][    C3] RSP: 002b:00007ffcd04e1638 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  759.993194][    C3] RAX: ffffffffffffffda RBX: 000000002a4cb9d0 RCX: 00007f045eca385a
[  759.993477][    C3] RDX: 000000000000002a RSI: 000000002a4cbc92 RDI: 0000000000000005
[  759.993745][    C3] RBP: 000000002a4cbc92 R08: 00007ffcd04e1640 R09: 0000000000000014
[  759.994004][    C3] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  759.994275][    C3] R13: 000000000000002a R14: 00007ffcd04e1640 R15: 0000000000000000
| [  761.951038][   T40] br1: port 1(lag) entered disabled state
| [  762.958139][   T63] Oops: general protection fault, probably for non-canonical address 0xe0d3fc3980000194: 0000 [#1] PREEMPT SMP KASAN NOPTI
| [  762.958603][   T63] KASAN: maybe wild-memory-access in range [0x06a001cc00000ca0-0x06a001cc00000ca7]
| [  762.959093][   T63] Tainted: [B]=BAD_PAGE
[  762.959192][   T63] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  762.959489][   T63] Workqueue: events_unbound linkwatch_event
[ 762.959678][ T63] RIP: 0010:neigh_flush_dev.isra.0 (./include/linux/list.h:988 ./include/linux/rculist.h:516 net/core/neighbour.c:384) 
[ 762.959843][ T63] Code: 0f 85 ef 04 00 00 49 8d 7f 08 49 8b 1f 48 89 f8 48 c1 e8 03 42 80 3c 28 00 0f 85 cc 04 00 00 49 8b 6f 08 48 89 e8 48 c1 e8 03 <42> 80 3c 28 00 0f 85 19 05 00 00 48 89 5d 00 48 85 db 74 1a 48 8d
All code
========
   0:	0f 85 ef 04 00 00    	jne    0x4f5
   6:	49 8d 7f 08          	lea    0x8(%r15),%rdi
   a:	49 8b 1f             	mov    (%r15),%rbx
   d:	48 89 f8             	mov    %rdi,%rax
  10:	48 c1 e8 03          	shr    $0x3,%rax
  14:	42 80 3c 28 00       	cmpb   $0x0,(%rax,%r13,1)
  19:	0f 85 cc 04 00 00    	jne    0x4eb
  1f:	49 8b 6f 08          	mov    0x8(%r15),%rbp
  23:	48 89 e8             	mov    %rbp,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
  2a:*	42 80 3c 28 00       	cmpb   $0x0,(%rax,%r13,1)		<-- trapping instruction
  2f:	0f 85 19 05 00 00    	jne    0x54e
  35:	48 89 5d 00          	mov    %rbx,0x0(%rbp)
  39:	48 85 db             	test   %rbx,%rbx
  3c:	74 1a                	je     0x58
  3e:	48                   	rex.W
  3f:	8d                   	.byte 0x8d

Code starting with the faulting instruction
===========================================
   0:	42 80 3c 28 00       	cmpb   $0x0,(%rax,%r13,1)
   5:	0f 85 19 05 00 00    	jne    0x524
   b:	48 89 5d 00          	mov    %rbx,0x0(%rbp)
   f:	48 85 db             	test   %rbx,%rbx
  12:	74 1a                	je     0x2e
  14:	48                   	rex.W
  15:	8d                   	.byte 0x8d
[  762.960294][   T63] RSP: 0018:ffffc9000044fa08 EFLAGS: 00010202
[  762.960453][   T63] RAX: 00d4003980000194 RBX: ffff888006638800 RCX: ffffffff920796f0
[  762.960640][   T63] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff88800579b408
[  762.960832][   T63] RBP: 06a001cc00000ca0 R08: 0000000000000000 R09: 0000000000000000
[  762.961015][   T63] R10: ffffffff94571f0f R11: ffffc9000044f619 R12: ffff88800579b53c
[  762.961200][   T63] R13: dffffc0000000000 R14: ffff88800a652000 R15: ffff88800579b400
[  762.961395][   T63] FS:  0000000000000000(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[  762.961615][   T63] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  762.961798][   T63] CR2: 00007f8614734270 CR3: 0000000006312002 CR4: 0000000000772ef0
[  762.961987][   T63] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  762.962166][   T63] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  762.962347][   T63] PKRU: 55555554
[  762.962442][   T63] Call Trace:
[  762.962534][   T63]  <TASK>
[ 762.962606][ T63] ? die_addr (arch/x86/kernel/dumpstack.c:421 arch/x86/kernel/dumpstack.c:460) 
[ 762.962706][ T63] ? exc_general_protection (arch/x86/kernel/traps.c:751 arch/x86/kernel/traps.c:693) 
[ 762.962836][ T63] ? asm_exc_general_protection (./arch/x86/include/asm/idtentry.h:617) 
[ 762.962962][ T63] ? neigh_flush_dev.isra.0 (./include/linux/list.h:986 ./include/linux/rculist.h:516 net/core/neighbour.c:384) 
[ 762.963086][ T63] ? neigh_flush_dev.isra.0 (./include/linux/list.h:988 ./include/linux/rculist.h:516 net/core/neighbour.c:384) 
[ 762.963206][ T63] ? neigh_flush_dev.isra.0 (./include/linux/list.h:986 ./include/linux/rculist.h:516 net/core/neighbour.c:384) 
[ 762.963326][ T63] ? lock_acquire (kernel/locking/lockdep.c:5798) 
[ 762.963450][ T63] __neigh_ifdown.isra.0 (net/core/neighbour.c:826 net/core/neighbour.c:426) 
[ 762.963577][ T63] neigh_carrier_down (net/core/neighbour.c:438) 
[ 762.963702][ T63] arp_netdev_event (net/ipv4/arp.c:1343) 
[ 762.963826][ T63] ? trace_notifier_run (./include/trace/events/notifier.h:59 (discriminator 52)) 
[ 762.963949][ T63] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) 
[ 762.964075][ T63] netdev_state_change (net/core/dev.c:1380 net/core/dev.c:1371) 
[ 762.964196][ T63] ? __pfx_netdev_state_change (net/core/dev.c:1372) 
[ 762.964316][ T63] ? dev_deactivate (./include/linux/list.h:111 ./include/linux/list.h:215 ./include/linux/list.h:229 net/sched/sch_generic.c:1404) 
[ 762.964438][ T63] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 52)) 
[ 762.964562][ T63] linkwatch_do_dev (net/core/link_watch.c:177) 
[ 762.964686][ T63] __linkwatch_run_queue (./include/linux/spinlock.h:376 net/core/link_watch.c:236) 
[ 762.964806][ T63] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[ 762.964927][ T63] ? __pfx___linkwatch_run_queue (net/core/link_watch.c:186) 
[ 762.965078][ T63] ? process_one_work (kernel/workqueue.c:3205) 
[ 762.965199][ T63] ? lock_acquire (kernel/locking/lockdep.c:5798) 
[ 762.965322][ T63] linkwatch_event (net/core/link_watch.c:278) 
[ 762.965443][ T63] process_one_work (kernel/workqueue.c:3229) 
[ 762.965565][ T63] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) 
[ 762.965692][ T63] ? __pfx_process_one_work (kernel/workqueue.c:3131) 
[ 762.965815][ T63] ? assign_work (kernel/workqueue.c:1200) 
[ 762.965938][ T63] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391) 
[ 762.966061][ T63] ? __pfx_worker_thread (kernel/workqueue.c:3337) 
[ 762.966182][ T63] kthread (kernel/kthread.c:389) 
[ 762.966274][ T63] ? __pfx_kthread (kernel/kthread.c:342) 
[ 762.966396][ T63] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 762.966518][ T63] ? __pfx_kthread (kernel/kthread.c:342) 


Finger prints:
neigh_carrier_down:arp_netdev_event:notifier_call_chain:netdev_state_change:linkwatch_do_dev
print_report:kasan_report:___neigh_create:ip_finish_output2:ip_output