======================================
| [ 1346.551739][ T7743] vx10: left promiscuous mode
| [ 1346.552034][ T7743] br1: port 1(vx10) entered disabled state
| [ 1348.164074][ T7753] Oops: general protection fault, probably for non-canonical address 0xfbd59c0000000024: 0000 [#1] PREEMPT SMP KASAN NOPTI
| [ 1348.164429][ T7753] KASAN: maybe wild-memory-access in range [0xdead000000000120-0xdead000000000127]
[ 1348.164864][ T7753] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1348.165163][ T7753] RIP: 0010:neigh_flush_dev.isra.0 (./include/linux/list.h:988 ./include/linux/rculist.h:516 net/core/neighbour.c:384) 
[ 1348.165342][ T7753] 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
[ 1348.165800][ T7753] RSP: 0018:ffffc9000112f388 EFLAGS: 00010a06
[ 1348.165967][ T7753] RAX: 1bd5a00000000024 RBX: 0000000000000000 RCX: 0000000000000000
[ 1348.166168][ T7753] RDX: 1ffff11000ce2999 RSI: ffff888006714000 RDI: ffff8880048af008
[ 1348.166363][ T7753] RBP: dead000000000122 R08: ffff8880048af000 R09: fffff52000225e72
[ 1348.166560][ T7753] R10: 0000000000000003 R11: dffffc0000000000 R12: ffff8880048af13c
[ 1348.166757][ T7753] R13: dffffc0000000000 R14: ffff888006714000 R15: ffff8880048af000
[ 1348.166951][ T7753] FS:  00007f3745cd2800(0000) GS:ffff88802f680000(0000) knlGS:0000000000000000
[ 1348.167184][ T7753] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1348.167350][ T7753] CR2: 00000000004e2a98 CR3: 0000000009a7e004 CR4: 0000000000772ef0
[ 1348.167558][ T7753] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1348.167761][ T7753] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1348.167959][ T7753] PKRU: 55555554
[ 1348.168058][ T7753] Call Trace:
[ 1348.168156][ T7753]  <TASK>
[ 1348.168224][ T7753] ? die_addr (arch/x86/kernel/dumpstack.c:421 arch/x86/kernel/dumpstack.c:460) 
[ 1348.168328][ T7753] ? exc_general_protection (arch/x86/kernel/traps.c:751 arch/x86/kernel/traps.c:693) 
[ 1348.168467][ T7753] ? asm_exc_general_protection (./arch/x86/include/asm/idtentry.h:617) 
[ 1348.168600][ T7753] ? neigh_flush_dev.isra.0 (./include/linux/list.h:988 ./include/linux/rculist.h:516 net/core/neighbour.c:384) 
[ 1348.168729][ T7753] ? __pfx_do_raw_write_lock (kernel/locking/spinlock_debug.c:209) 
[ 1348.168859][ T7753] ? lock_acquire (kernel/locking/lockdep.c:5798) 
[ 1348.168998][ T7753] __neigh_ifdown.isra.0 (net/core/neighbour.c:826 net/core/neighbour.c:426) 
[ 1348.169131][ T7753] ? blocking_notifier_call_chain (kernel/notifier.c:388 kernel/notifier.c:376) 
[ 1348.169297][ T7753] neigh_ifdown (net/core/neighbour.c:445) 
[ 1348.169399][ T7753] fib_inetaddr_event (net/ipv4/fib_frontend.c:1431 net/ipv4/fib_frontend.c:1455) 
[ 1348.169533][ T7753] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) 
[ 1348.169665][ T7753] blocking_notifier_call_chain (kernel/notifier.c:389 kernel/notifier.c:376) 
[ 1348.169795][ T7753] __inet_del_ifa (net/ipv4/devinet.c:488) 
[ 1348.169928][ T7753] inet_rtm_deladdr (net/ipv4/devinet.c:706) 
[ 1348.170058][ T7753] ? __pfx_inet_rtm_deladdr (net/ipv4/devinet.c:665) 
[ 1348.170192][ T7753] rtnetlink_rcv_msg (net/core/rtnetlink.c:6721) 
[ 1348.170321][ T7753] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6615) 
[ 1348.170453][ T7753] ? 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) 
[ 1348.170583][ T7753] ? mark_lock (kernel/locking/lockdep.c:4703 (discriminator 3)) 
[ 1348.170691][ T7753] ? __lock_acquire (kernel/locking/lockdep.c:5202) 
[ 1348.170821][ T7753] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 1348.170953][ T7753] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6615) 
[ 1348.171082][ T7753] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 1348.171216][ T7753] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 1348.171346][ T7753] ? 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) 
[ 1348.171479][ T7753] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 1348.171609][ T7753] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 1348.171739][ T7753] ? find_held_lock (kernel/locking/lockdep.c:5315) 
[ 1348.171873][ T7753] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 1348.172003][ T7753] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 1348.172132][ T7753] ? __might_fault (mm/memory.c:6700 mm/memory.c:6693) 
[ 1348.172263][ T7753] ? __import_iovec (lib/iov_iter.c:1433 lib/iov_iter.c:1449) 
[ 1348.172398][ T7753] ____sys_sendmsg (net/socket.c:729 net/socket.c:744 net/socket.c:2607) 
[ 1348.172530][ T7753] ? __pfx_____sys_sendmsg (net/socket.c:2553) 
[ 1348.172666][ T7753] ? __pfx_copy_msghdr_from_user (net/socket.c:2533) 
[ 1348.172830][ T7753] ___sys_sendmsg (net/socket.c:2663) 
[ 1348.172961][ T7753] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 1348.173102][ T7753] ? __pfx____sys_sendmsg (net/socket.c:2650) 
[ 1348.173231][ T7753] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860) 
[ 1348.173361][ T7753] ? __pfx_slab_free_after_rcu_debug (mm/slub.c:4609) 
[ 1348.173527][ T7753] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 1348.173660][ T7753] ? kasan_save_stack (mm/kasan/common.c:48) 
[ 1348.173791][ T7753] ? __kasan_record_aux_stack (mm/kasan/generic.c:541) 
[ 1348.173923][ T7753] ? __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) 
[ 1348.174087][ T7753] ? __x64_sys_close (fs/open.c:1568 fs/open.c:1550 fs/open.c:1550) 
[ 1348.174216][ T7753] ? do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 1348.174348][ T7753] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1348.174510][ T7753] ? __lock_acquire (kernel/locking/lockdep.c:5202) 
[ 1348.174645][ T7753] ? find_held_lock (kernel/locking/lockdep.c:5315) 
[ 1348.174779][ T7753] ? __lock_release (kernel/locking/lockdep.c:5501) 
[ 1348.174909][ T7753] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1114 fs/file.c:1128) 
[ 1348.175011][ T7753] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2692) 
[ 1348.175143][ T7753] ? __pfx___sys_sendmsg (net/socket.c:2678) 
[ 1348.175271][ T7753] ? __virt_addr_valid (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:962 ./include/linux/mmzone.h:2053 arch/x86/mm/physaddr.c:65) 
[ 1348.175408][ T7753] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 1348.175537][ T7753] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1348.175700][ T7753] RIP: 0033:0x7f3745ede7b7
[ 1348.175842][ T7753] 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)
[ 1348.176308][ T7753] RSP: 002b:00007ffd1fef0dd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1348.176504][ T7753] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3745ede7b7
[ 1348.176699][ T7753] RDX: 0000000000000000 RSI: 00007ffd1fef0e40 RDI: 0000000000000005
[ 1348.176900][ T7753] RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000078
[ 1348.177093][ T7753] R10: 00007f3745d9cef8 R11: 0000000000000246 R12: 00007ffd1fef1590


Finger prints:
neigh_ifdown:fib_inetaddr_event:notifier_call_chain:blocking_notifier_call_chain:__inet_del_ifa