======================================
| [ 1129.882825][ T5639] ==================================================================
| [ 1129.883068][ T5639] BUG: KASAN: slab-use-after-free in ___neigh_create (./include/linux/rculist.h:598 net/core/neighbour.c:688) 
| [ 1129.883283][ T5639] Write of size 8 at addr ffff888007b3c018 by task ip/5639
| [ 1129.883507][ T5639]
[ 1129.883798][ T5639] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1129.884100][ T5639] Call Trace:
[ 1129.884205][ T5639]  <TASK>
[ 1129.884275][ T5639] dump_stack_lvl (lib/dump_stack.c:123) 
[ 1129.884440][ T5639] print_address_description.constprop.0 (mm/kasan/report.c:378) 
[ 1129.884601][ T5639] ? ___neigh_create (./include/linux/rculist.h:598 net/core/neighbour.c:688) 
[ 1129.884769][ T5639] print_report (mm/kasan/report.c:489) 
[ 1129.884896][ T5639] ? kasan_addr_to_slab (./include/linux/mm.h:1282 mm/kasan/../slab.h:206 mm/kasan/common.c:38) 
[ 1129.885035][ T5639] kasan_report (mm/kasan/report.c:603) 
[ 1129.885138][ T5639] ? ___neigh_create (./include/linux/rculist.h:598 net/core/neighbour.c:688) 
[ 1129.885265][ T5639] ___neigh_create (./include/linux/rculist.h:598 net/core/neighbour.c:688) 
[ 1129.885418][ T5639] neigh_add (net/core/neighbour.c:1935) 
[ 1129.885515][ T5639] ? __pfx_neigh_add (net/core/neighbour.c:1934) 
[ 1129.885643][ T5639] ? __mutex_lock (./arch/x86/include/asm/preempt.h:94 kernel/locking/mutex.c:618 kernel/locking/mutex.c:752) 
[ 1129.885795][ T5639] rtnetlink_rcv_msg (net/core/rtnetlink.c:6721) 
[ 1129.885922][ T5639] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6615) 
[ 1129.886064][ T5639] ? 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) 
[ 1129.886197][ T5639] ? mark_lock (kernel/locking/lockdep.c:4703 (discriminator 3)) 
[ 1129.886296][ T5639] ? __lock_acquire (kernel/locking/lockdep.c:5202) 
[ 1129.886463][ T5639] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 1129.886599][ T5639] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6615) 
[ 1129.886742][ T5639] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 1129.886876][ T5639] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 1129.887003][ T5639] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 1129.887131][ T5639] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 1129.887260][ T5639] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 1129.887394][ T5639] ? find_held_lock (kernel/locking/lockdep.c:5315) 
[ 1129.887527][ T5639] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 1129.887657][ T5639] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 1129.887782][ T5639] ? __might_fault (mm/memory.c:6700 mm/memory.c:6693) 
[ 1129.887912][ T5639] ? __import_iovec (lib/iov_iter.c:1433 lib/iov_iter.c:1449) 
[ 1129.888042][ T5639] ____sys_sendmsg (net/socket.c:729 net/socket.c:744 net/socket.c:2607) 
[ 1129.888177][ T5639] ? __pfx_____sys_sendmsg (net/socket.c:2553) 
[ 1129.888304][ T5639] ? __pfx_copy_msghdr_from_user (net/socket.c:2533) 
[ 1129.888489][ T5639] ___sys_sendmsg (net/socket.c:2663) 
[ 1129.888619][ T5639] ? __pfx____sys_sendmsg (net/socket.c:2650) 
[ 1129.888775][ T5639] ? ___sys_recvmsg (net/socket.c:2858) 
[ 1129.888904][ T5639] ? __pfx____sys_recvmsg (net/socket.c:2858) 
[ 1129.889045][ T5639] ? reacquire_held_locks (kernel/locking/lockdep.c:5350) 
[ 1129.889195][ T5639] ? do_user_addr_fault (./include/linux/rcupdate.h:337 ./include/linux/rcupdate.h:849 ./include/linux/mm.h:727 arch/x86/mm/fault.c:1340) 
[ 1129.889330][ T5639] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1114 fs/file.c:1128) 
[ 1129.889447][ T5639] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2692) 
[ 1129.889579][ T5639] ? __pfx___sys_sendmsg (net/socket.c:2678) 
[ 1129.889720][ T5639] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 1129.889861][ T5639] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 1129.889992][ T5639] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1129.890156][ T5639] RIP: 0033:0x7fde8ec617b7
[ 1129.890293][ T5639] Code: 0a 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0a 00                	or     (%rax),%al
   2:	f7 d8                	neg    %eax
   4:	64 89 02             	mov    %eax,%fs:(%rdx)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[ 1129.890749][ T5639] RSP: 002b:00007ffdd55c4538 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1129.890950][ T5639] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fde8ec617b7
[ 1129.891142][ T5639] RDX: 0000000000000000 RSI: 00007ffdd55c45a0 RDI: 0000000000000005
[ 1129.891337][ T5639] RBP: 0000000000000001 R08: 0000000000000014 R09: 0000000000000000
[ 1129.891528][ T5639] R10: 00007fde8eb1a708 R11: 0000000000000246 R12: 00007ffdd55c5d40
[ 1129.891724][ T5639] R13: 00000000671674b8 R14: 0000000000496600 R15: 00007ffdd55c4ae0
| [ 1133.114425][   T11] br1: port 1(vx10) entered disabled state
| [ 1135.880739][ T5698] Oops: general protection fault, probably for non-canonical address 0xe0963c38200002c8: 0000 [#1] PREEMPT SMP KASAN NOPTI
| [ 1135.881220][ T5698] KASAN: maybe wild-memory-access in range [0x04b201c100001640-0x04b201c100001647]
| [ 1135.881843][ T5698] Tainted: [B]=BAD_PAGE
[ 1135.881980][ T5698] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1135.882373][ T5698] RIP: 0010:neigh_flush_dev.isra.0 (./include/linux/list.h:988 ./include/linux/rculist.h:516 net/core/neighbour.c:384) 
[ 1135.882606][ T5698] 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
[ 1135.883240][ T5698] RSP: 0018:ffffc9000151ef10 EFLAGS: 00010202
[ 1135.883463][ T5698] RAX: 00964038200002c8 RBX: ffff888003639840 RCX: ffffffff84c796f0
[ 1135.883728][ T5698] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888007b3c008
[ 1135.883993][ T5698] RBP: 04b201c100001640 R08: 0000000000000000 R09: 0000000000000000
[ 1135.884265][ T5698] R10: ffffffff87171f0f R11: ffffc9000151eb21 R12: ffff888007b3c13c
[ 1135.884530][ T5698] R13: dffffc0000000000 R14: ffff88800a451000 R15: ffff888007b3c000
[ 1135.884807][ T5698] FS:  00007f75dc943800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[ 1135.885118][ T5698] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1135.885342][ T5698] CR2: 00000000004e28e0 CR3: 0000000006100002 CR4: 0000000000772ef0
[ 1135.885608][ T5698] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1135.885900][ T5698] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1135.886165][ T5698] PKRU: 55555554
[ 1135.886305][ T5698] Call Trace:
[ 1135.886447][ T5698]  <TASK>
[ 1135.886539][ T5698] ? die_addr (arch/x86/kernel/dumpstack.c:421 arch/x86/kernel/dumpstack.c:460) 
[ 1135.886680][ T5698] ? exc_general_protection (arch/x86/kernel/traps.c:751 arch/x86/kernel/traps.c:693) 
[ 1135.886862][ T5698] ? asm_exc_general_protection (./arch/x86/include/asm/idtentry.h:617) 
[ 1135.887042][ T5698] ? neigh_flush_dev.isra.0 (./include/linux/list.h:986 ./include/linux/rculist.h:516 net/core/neighbour.c:384) 
[ 1135.887219][ T5698] ? neigh_flush_dev.isra.0 (./include/linux/list.h:988 ./include/linux/rculist.h:516 net/core/neighbour.c:384) 
[ 1135.887400][ T5698] ? lock_acquire (kernel/locking/lockdep.c:5798) 
[ 1135.887580][ T5698] __neigh_ifdown.isra.0 (net/core/neighbour.c:826 net/core/neighbour.c:426) 
[ 1135.887780][ T5698] ? fib_flush (net/ipv4/fib_frontend.c:195 (discriminator 11)) 
[ 1135.887917][ T5698] neigh_ifdown (net/core/neighbour.c:445) 
[ 1135.888050][ T5698] fib_netdev_event (net/ipv4/fib_frontend.c:1521) 
[ 1135.888228][ T5698] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) 
[ 1135.888416][ T5698] dev_close_many (net/core/dev.c:1590) 
[ 1135.888597][ T5698] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 52)) 
[ 1135.888776][ T5698] ? __pfx_dev_close_many (net/core/dev.c:1577) 
[ 1135.888955][ T5698] ? __debug_check_no_obj_freed (lib/debugobjects.c:1000) 
[ 1135.889185][ T5698] unregister_netdevice_many_notify (net/core/dev.c:11503) 
[ 1135.889406][ T5698] ? __pfx___debug_check_no_obj_freed (lib/debugobjects.c:960) 
[ 1135.889625][ T5698] ? __pfx_free_object_rcu (mm/kmemleak.c:514) 
[ 1135.889803][ T5698] ? trace_rcu_segcb_stats (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 ./include/linux/cpumask.h:570 ./include/linux/cpumask.h:1117 ./include/trace/events/rcu.h:537) 
[ 1135.889983][ T5698] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11470) 
[ 1135.890202][ T5698] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1135.890428][ T5698] ? kfree (mm/slub.c:4579 mm/slub.c:4727) 
[ 1135.890568][ T5698] ? netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 1135.890747][ T5698] ? vlan_vid_del (net/8021q/vlan_core.c:368 net/8021q/vlan_core.c:387) 
[ 1135.890927][ T5698] ? vlan_vid_del (net/8021q/vlan_core.c:368 net/8021q/vlan_core.c:387) 
[ 1135.891105][ T5698] rtnl_dellink (net/core/rtnetlink.c:3329 net/core/rtnetlink.c:3379) 
[ 1135.891285][ T5698] ? rtnl_getlink (./include/net/netlink.h:1159 net/core/rtnetlink.c:819 net/core/rtnetlink.c:3937) 
[ 1135.891461][ T5698] ? __pfx_rtnl_dellink (net/core/rtnetlink.c:3335) 
[ 1135.891659][ T5698] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 52)) 
[ 1135.891836][ T5698] ? __mutex_lock (./arch/x86/include/asm/preempt.h:94 kernel/locking/mutex.c:618 kernel/locking/mutex.c:752) 
[ 1135.892013][ T5698] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[ 1135.892195][ T5698] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6719) 
[ 1135.892372][ T5698] ? __pfx___mutex_lock (kernel/locking/mutex.c:751) 
[ 1135.892546][ T5698] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 52)) 
[ 1135.892725][ T5698] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[ 1135.892904][ T5698] rtnetlink_rcv_msg (net/core/rtnetlink.c:6721) 
[ 1135.893121][ T5698] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6615) 
[ 1135.893298][ T5698] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 1135.893489][ T5698] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 1135.893670][ T5698] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 1135.893852][ T5698] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6615) 
[ 1135.894031][ T5698] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 1135.894217][ T5698] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 52)) 
[ 1135.894401][ T5698] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 1135.894578][ T5698] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 1135.894756][ T5698] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5838) 
[ 1135.894939][ T5698] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 1135.895118][ T5698] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 1135.895299][ T5698] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 1135.895484][ T5698] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 1135.895673][ T5698] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 1135.895851][ T5698] ? __might_fault (mm/memory.c:6700 mm/memory.c:6693) 
[ 1135.896028][ T5698] ? __import_iovec (lib/iov_iter.c:1433 lib/iov_iter.c:1449) 
[ 1135.896206][ T5698] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5838) 
[ 1135.896391][ T5698] ____sys_sendmsg (net/socket.c:729 net/socket.c:744 net/socket.c:2607) 
[ 1135.896575][ T5698] ? __pfx_____sys_sendmsg (net/socket.c:2553) 
[ 1135.896750][ T5698] ? __pfx_copy_msghdr_from_user (net/socket.c:2533) 
[ 1135.896980][ T5698] ___sys_sendmsg (net/socket.c:2663) 
[ 1135.897153][ T5698] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 1135.897337][ T5698] ? __pfx____sys_sendmsg (net/socket.c:2650) 
[ 1135.897515][ T5698] ? __pfx_slab_free_after_rcu_debug (mm/slub.c:4609) 
[ 1135.897741][ T5698] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 1135.897922][ T5698] ? kasan_save_stack (mm/kasan/common.c:48) 
[ 1135.898097][ T5698] ? __kasan_record_aux_stack (mm/kasan/generic.c:541) 
[ 1135.898275][ T5698] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:87 ./arch/x86/include/asm/irqflags.h:123 kernel/rcu/tree.c:3087) 
[ 1135.898526][ T5698] ? __x64_sys_close (fs/open.c:1568 fs/open.c:1550 fs/open.c:1550) 
[ 1135.898707][ T5698] ? do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 1135.898885][ T5698] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1135.899106][ T5698] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 1135.899285][ T5698] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 52)) 
[ 1135.899472][ T5698] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1135.899691][ T5698] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1114 fs/file.c:1128) 
[ 1135.899846][ T5698] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2692) 
[ 1135.900033][ T5698] ? __pfx___sys_sendmsg (net/socket.c:2678) 
[ 1135.900212][ T5698] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 52)) 
[ 1135.900393][ T5698] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1135.900613][ T5698] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 1135.900801][ T5698] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1135.901026][ T5698] RIP: 0033:0x7f75dcb4f7b7
[ 1135.901212][ T5698] Code: 0a 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0a 00                	or     (%rax),%al
   2:	f7 d8                	neg    %eax
   4:	64 89 02             	mov    %eax,%fs:(%rdx)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[ 1135.901881][ T5698] RSP: 002b:00007ffead020028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1135.902154][ T5698] RAX: ffffffffffffffda RBX: 00007ffead020750 RCX: 00007f75dcb4f7b7
[ 1135.902434][ T5698] RDX: 0000000000000000 RSI: 00007ffead020090 RDI: 0000000000000005
[ 1135.902707][ T5698] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[ 1135.902979][ T5698] R10: 00007f75dca0def8 R11: 0000000000000246 R12: 0000000000000002


Finger prints:
neigh_ifdown:fib_netdev_event:notifier_call_chain:dev_close_many:unregister_netdevice_many_notify
print_report:kasan_report:___neigh_create:neigh_add:rtnetlink_rcv_msg