======================================
| [ 1706.895938][T12419] ==================================================================
| [1706.896311][T12419] BUG: KASAN: slab-use-after-free in neigh_flush_dev.isra.0 (./include/linux/list.h:990 ./include/linux/rculist.h:516 net/core/neighbour.c:385) 
| [ 1706.896596][T12419] Write of size 8 at addr ffff888005ba4018 by task ip/12419
| [ 1706.896869][T12419]
[ 1706.897245][T12419] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1706.897659][T12419] Call Trace:
[ 1706.897803][T12419]  <TASK>
[1706.897901][T12419] dump_stack_lvl (lib/dump_stack.c:123) 
[1706.898092][T12419] print_address_description.constprop.0 (mm/kasan/report.c:378) 
[1706.898319][T12419] ? neigh_flush_dev.isra.0 (./include/linux/list.h:990 ./include/linux/rculist.h:516 net/core/neighbour.c:385) 
[1706.898515][T12419] print_report (mm/kasan/report.c:489) 
[1706.898709][T12419] ? kasan_addr_to_slab (./include/linux/mm.h:1282 mm/kasan/../slab.h:206 mm/kasan/common.c:38) 
[1706.898890][T12419] kasan_report (mm/kasan/report.c:603) 
[1706.899030][T12419] ? neigh_flush_dev.isra.0 (./include/linux/list.h:990 ./include/linux/rculist.h:516 net/core/neighbour.c:385) 
[1706.899215][T12419] neigh_flush_dev.isra.0 (./include/linux/list.h:990 ./include/linux/rculist.h:516 net/core/neighbour.c:385) 
[1706.899395][T12419] ? lock_acquire (kernel/locking/lockdep.c:5798) 
[1706.899580][T12419] __neigh_ifdown.isra.0 (net/core/neighbour.c:826 net/core/neighbour.c:426) 
[1706.899770][T12419] ? blocking_notifier_call_chain (kernel/notifier.c:388 kernel/notifier.c:376) 
[1706.900001][T12419] neigh_ifdown (net/core/neighbour.c:445) 
[1706.900140][T12419] fib_inetaddr_event (net/ipv4/fib_frontend.c:1431 net/ipv4/fib_frontend.c:1455) 
[1706.900324][T12419] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) 
[1706.900507][T12419] blocking_notifier_call_chain (kernel/notifier.c:389 kernel/notifier.c:376) 
[1706.900687][T12419] __inet_del_ifa (net/ipv4/devinet.c:488) 
[1706.900876][T12419] inet_rtm_deladdr (net/ipv4/devinet.c:706) 
[1706.901060][T12419] ? __pfx_inet_rtm_deladdr (net/ipv4/devinet.c:665) 
[1706.901248][T12419] rtnetlink_rcv_msg (net/core/rtnetlink.c:6721) 
[1706.901431][T12419] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6615) 
[1706.901612][T12419] ? 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) 
[1706.901797][T12419] ? mark_lock (kernel/locking/lockdep.c:4703 (discriminator 3)) 
[1706.901937][T12419] ? __lock_acquire (kernel/locking/lockdep.c:5202) 
[1706.902121][T12419] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1706.902306][T12419] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6615) 
[1706.902488][T12419] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1706.902675][T12419] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[1706.902857][T12419] ? 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) 
[1706.903039][T12419] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[1706.903229][T12419] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[1706.903410][T12419] ? find_held_lock (kernel/locking/lockdep.c:5315) 
[1706.903597][T12419] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[1706.903779][T12419] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[1706.903961][T12419] ? __might_fault (mm/memory.c:6700 mm/memory.c:6693) 
[1706.904143][T12419] ? __import_iovec (lib/iov_iter.c:1433 lib/iov_iter.c:1449) 
[1706.904330][T12419] ____sys_sendmsg (net/socket.c:729 net/socket.c:744 net/socket.c:2607) 
[1706.904510][T12419] ? __pfx_____sys_sendmsg (net/socket.c:2553) 
[1706.904695][T12419] ? __pfx_copy_msghdr_from_user (net/socket.c:2533) 
[1706.904927][T12419] ___sys_sendmsg (net/socket.c:2663) 
[1706.905108][T12419] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[1706.905291][T12419] ? __pfx____sys_sendmsg (net/socket.c:2650) 
[1706.905479][T12419] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860) 
[1706.905660][T12419] ? __pfx_slab_free_after_rcu_debug (mm/slub.c:4609) 
[1706.905883][T12419] ? kasan_save_stack (mm/kasan/common.c:49) 
[1706.906062][T12419] ? kasan_save_stack (mm/kasan/common.c:48) 
[1706.906246][T12419] ? __kasan_record_aux_stack (mm/kasan/generic.c:541) 
[1706.906428][T12419] ? __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) 
[1706.906653][T12419] ? __x64_sys_close (fs/open.c:1568 fs/open.c:1550 fs/open.c:1550) 
[1706.906833][T12419] ? do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[1706.907020][T12419] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[1706.907243][T12419] ? __lock_acquire (kernel/locking/lockdep.c:5202) 
[1706.907441][T12419] ? find_held_lock (kernel/locking/lockdep.c:5315) 
[1706.907623][T12419] ? __lock_release (kernel/locking/lockdep.c:5501) 
[1706.907817][T12419] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1114 fs/file.c:1128) 
[1706.907958][T12419] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2692) 
[1706.908137][T12419] ? __pfx___sys_sendmsg (net/socket.c:2678) 
[1706.908319][T12419] ? __virt_addr_valid (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:962 ./include/linux/mmzone.h:2053 arch/x86/mm/physaddr.c:65) 
[1706.908509][T12419] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[1706.908692][T12419] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1706.908917][T12419] RIP: 0033:0x7f6200bfb7b7
[ 1706.909107][T12419] 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)
[ 1706.909804][T12419] RSP: 002b:00007ffdd1bc3b18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1706.910096][T12419] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6200bfb7b7
[ 1706.910389][T12419] RDX: 0000000000000000 RSI: 00007ffdd1bc3b80 RDI: 0000000000000005
[ 1706.910684][T12419] RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000078
[ 1706.910974][T12419] R10: 00007f6200ab9ef8 R11: 0000000000000246 R12: 00007ffdd1bc42d0
[ 1706.911267][T12419] R13: 000000006716a06c R14: 0000000000496600 R15: 00007ffdd1bc42d8
| [ 1706.916711][T12419] ------------[ cut here ]------------
| [ 1706.916914][T12419] pool index 93034 out of bounds (780) for stack id 6b6b6b6b
| [1706.917256][T12419] WARNING: CPU: 0 PID: 12419 at lib/stackdepot.c:451 depot_fetch_stack (lib/stackdepot.c:451 (discriminator 1)) 
| [ 1706.917623][T12419] Modules linked in: act_pedit act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
[ 1706.918483][T12419] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[1706.918949][T12419] RIP: 0010:depot_fetch_stack (lib/stackdepot.c:451 (discriminator 1)) 
[ 1706.919164][T12419] Code: b8 11 cd ad e8 cb c0 9a 01 83 f8 01 75 b8 90 0f 0b 90 eb b2 90 48 c7 c7 28 47 40 ad 44 89 e1 44 89 ea 89 ee e8 7b f2 0d ff 90 <0f> 0b 90 90 31 c0 eb bb 90 0f 0b 90 eb b5 90 0f 0b 90 31 c0 eb ad
All code
========
   0:	b8 11 cd ad e8       	mov    $0xe8adcd11,%eax
   5:	cb                   	lret
   6:	c0 9a 01 83 f8 01 75 	rcrb   $0x75,0x1f88301(%rdx)
   d:	b8 90 0f 0b 90       	mov    $0x900b0f90,%eax
  12:	eb b2                	jmp    0xffffffffffffffc6
  14:	90                   	nop
  15:	48 c7 c7 28 47 40 ad 	mov    $0xffffffffad404728,%rdi
  1c:	44 89 e1             	mov    %r12d,%ecx
  1f:	44 89 ea             	mov    %r13d,%edx
  22:	89 ee                	mov    %ebp,%esi
  24:	e8 7b f2 0d ff       	call   0xffffffffff0df2a4
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	90                   	nop
  2e:	31 c0                	xor    %eax,%eax
  30:	eb bb                	jmp    0xffffffffffffffed
  32:	90                   	nop
  33:	0f 0b                	ud2
  35:	90                   	nop
  36:	eb b5                	jmp    0xffffffffffffffed
  38:	90                   	nop
  39:	0f 0b                	ud2
  3b:	90                   	nop
  3c:	31 c0                	xor    %eax,%eax
  3e:	eb ad                	jmp    0xffffffffffffffed

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	90                   	nop
   4:	31 c0                	xor    %eax,%eax
   6:	eb bb                	jmp    0xffffffffffffffc3
   8:	90                   	nop
   9:	0f 0b                	ud2
   b:	90                   	nop
   c:	eb b5                	jmp    0xffffffffffffffc3
   e:	90                   	nop
   f:	0f 0b                	ud2
  11:	90                   	nop
  12:	31 c0                	xor    %eax,%eax
  14:	eb ad                	jmp    0xffffffffffffffc3
[ 1706.919912][T12419] RSP: 0018:ffffc9000060f200 EFLAGS: 00010086
[ 1706.920179][T12419] RAX: 0000000000000000 RBX: 0000000000001b50 RCX: 1ffffffff5afb43c
[ 1706.920477][T12419] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000001
[ 1706.920772][T12419] RBP: 0000000000016b6a R08: 0000000000000000 R09: fffffbfff5afb43c
[ 1706.921064][T12419] R10: 0000000000000003 R11: 205d393134323154 R12: 000000006b6b6b6b
[ 1706.921359][T12419] R13: 000000000000030c R14: 0000000000000008 R15: ffff8880090c45c0
[ 1706.921660][T12419] FS:  00007f62009ef800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[ 1706.922003][T12419] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1706.922247][T12419] CR2: 00000000004e3370 CR3: 0000000005e38002 CR4: 0000000000772ef0
[ 1706.922544][T12419] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1706.922847][T12419] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1706.923168][T12419] PKRU: 55555554
[ 1706.923327][T12419] Call Trace:
[ 1706.923486][T12419]  <TASK>
[1706.923594][T12419] ? depot_fetch_stack (lib/stackdepot.c:451 (discriminator 1)) 
[1706.923809][T12419] ? __warn (kernel/panic.c:748) 
[1706.923969][T12419] ? depot_fetch_stack (lib/stackdepot.c:451 (discriminator 1)) 
[1706.924180][T12419] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[1706.924391][T12419] ? handle_bug (arch/x86/kernel/traps.c:285) 
[1706.924550][T12419] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[1706.924760][T12419] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[1706.924972][T12419] ? depot_fetch_stack (lib/stackdepot.c:451 (discriminator 1)) 
[1706.925182][T12419] ? neigh_flush_dev.isra.0 (./include/linux/list.h:990 ./include/linux/rculist.h:516 net/core/neighbour.c:385) 
[1706.925390][T12419] stack_depot_fetch (lib/stackdepot.c:711 lib/stackdepot.c:691) 
[1706.925731][T12419] stack_depot_print (lib/stackdepot.c:745) 
[1706.925939][T12419] print_address_description.constprop.0 (mm/kasan/report.c:343 mm/kasan/report.c:352 mm/kasan/report.c:381) 
[1706.926199][T12419] ? neigh_flush_dev.isra.0 (./include/linux/list.h:990 ./include/linux/rculist.h:516 net/core/neighbour.c:385) 
[1706.926405][T12419] print_report (mm/kasan/report.c:489) 
[1706.926741][T12419] ? kasan_addr_to_slab (./include/linux/mm.h:1282 mm/kasan/../slab.h:206 mm/kasan/common.c:38) 
[1706.926948][T12419] kasan_report (mm/kasan/report.c:603) 
[1706.927097][T12419] ? neigh_flush_dev.isra.0 (./include/linux/list.h:990 ./include/linux/rculist.h:516 net/core/neighbour.c:385) 
[1706.927297][T12419] neigh_flush_dev.isra.0 (./include/linux/list.h:990 ./include/linux/rculist.h:516 net/core/neighbour.c:385) 
[1706.927492][T12419] ? lock_acquire (kernel/locking/lockdep.c:5798) 
[1706.927951][T12419] __neigh_ifdown.isra.0 (net/core/neighbour.c:826 net/core/neighbour.c:426) 
[1706.928145][T12419] ? blocking_notifier_call_chain (kernel/notifier.c:388 kernel/notifier.c:376) 
[1706.928400][T12419] neigh_ifdown (net/core/neighbour.c:445) 
[1706.928550][T12419] fib_inetaddr_event (net/ipv4/fib_frontend.c:1431 net/ipv4/fib_frontend.c:1455) 
[1706.928878][T12419] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) 
[1706.929074][T12419] blocking_notifier_call_chain (kernel/notifier.c:389 kernel/notifier.c:376) 
[1706.929269][T12419] __inet_del_ifa (net/ipv4/devinet.c:488) 
[1706.929468][T12419] inet_rtm_deladdr (net/ipv4/devinet.c:706) 
[1706.929803][T12419] ? __pfx_inet_rtm_deladdr (net/ipv4/devinet.c:665) 
[1706.930018][T12419] rtnetlink_rcv_msg (net/core/rtnetlink.c:6721) 
[1706.930228][T12419] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6615) 
[1706.930442][T12419] ? 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) 
[1706.930777][T12419] ? mark_lock (kernel/locking/lockdep.c:4703 (discriminator 3)) 
[1706.930937][T12419] ? __lock_acquire (kernel/locking/lockdep.c:5202) 
[1706.931145][T12419] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1706.931355][T12419] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6615) 
[1706.931563][T12419] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1706.931907][T12419] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[1706.932114][T12419] ? 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) 
[1706.932326][T12419] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[1706.932537][T12419] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[1706.932874][T12419] ? find_held_lock (kernel/locking/lockdep.c:5315) 
[1706.933087][T12419] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[1706.933298][T12419] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[1706.933505][T12419] ? __might_fault (mm/memory.c:6700 mm/memory.c:6693) 
[1706.933843][T12419] ? __import_iovec (lib/iov_iter.c:1433 lib/iov_iter.c:1449) 
[1706.934042][T12419] ____sys_sendmsg (net/socket.c:729 net/socket.c:744 net/socket.c:2607) 
[1706.934238][T12419] ? __pfx_____sys_sendmsg (net/socket.c:2553) 
[1706.934438][T12419] ? __pfx_copy_msghdr_from_user (net/socket.c:2533) 
[1706.934822][T12419] ___sys_sendmsg (net/socket.c:2663) 
[1706.935016][T12419] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[1706.935211][T12419] ? __pfx____sys_sendmsg (net/socket.c:2650) 
[1706.935408][T12419] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860) 
[1706.935604][T12419] ? __pfx_slab_free_after_rcu_debug (mm/slub.c:4609) 
[1706.935974][T12419] ? kasan_save_stack (mm/kasan/common.c:49) 
[1706.936170][T12419] ? kasan_save_stack (mm/kasan/common.c:48) 
[1706.936364][T12419] ? __kasan_record_aux_stack (mm/kasan/generic.c:541) 
[1706.936564][T12419] ? __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) 
[1706.936953][T12419] ? __x64_sys_close (fs/open.c:1568 fs/open.c:1550 fs/open.c:1550) 
[1706.937158][T12419] ? do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[1706.937366][T12419] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[1706.937748][T12419] ? __lock_acquire (kernel/locking/lockdep.c:5202) 
[1706.937961][T12419] ? find_held_lock (kernel/locking/lockdep.c:5315) 
[1706.938177][T12419] ? __lock_release (kernel/locking/lockdep.c:5501) 
[1706.938385][T12419] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1114 fs/file.c:1128) 
[1706.938549][T12419] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2692) 
[1706.938884][T12419] ? __pfx___sys_sendmsg (net/socket.c:2678) 
[1706.939093][T12419] ? __virt_addr_valid (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:962 ./include/linux/mmzone.h:2053 arch/x86/mm/physaddr.c:65) 
[1706.939316][T12419] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[1706.939525][T12419] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1706.939920][T12419] RIP: 0033:0x7f6200bfb7b7
[ 1706.940136][T12419] 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)
[ 1706.941008][T12419] RSP: 002b:00007ffdd1bc3b18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1706.941306][T12419] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6200bfb7b7
[ 1706.941602][T12419] RDX: 0000000000000000 RSI: 00007ffdd1bc3b80 RDI: 0000000000000005
[ 1706.942026][T12419] RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000078
[ 1706.942316][T12419] R10: 00007f6200ab9ef8 R11: 0000000000000246 R12: 00007ffdd1bc42d0
[ 1706.942605][T12419] R13: 000000006716a06c R14: 0000000000496600 R15: 00007ffdd1bc42d8
| [ 1706.945701][T12419] corrupt handle or use after stack_depot_put()
| [1706.945737][T12419] WARNING: CPU: 0 PID: 12419 at lib/stackdepot.c:711 stack_depot_fetch (lib/stackdepot.c:711 lib/stackdepot.c:691) 
| [ 1706.946460][T12419] Modules linked in: act_pedit act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [ 1706.947475][T12419] Tainted: [W]=WARN
[ 1706.947635][T12419] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[1706.948193][T12419] RIP: 0010:stack_depot_fetch (lib/stackdepot.c:711 lib/stackdepot.c:691) 
[ 1706.948400][T12419] Code: 74 1a 48 8d 50 20 48 89 13 5b 8b 40 14 5d 41 5c c3 cc cc cc cc 31 c0 c3 cc cc cc cc 90 48 c7 c7 08 48 40 ad e8 62 ed 0d ff 90 <0f> 0b 90 90 eb bb 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90
All code
========
   0:	74 1a                	je     0x1c
   2:	48 8d 50 20          	lea    0x20(%rax),%rdx
   6:	48 89 13             	mov    %rdx,(%rbx)
   9:	5b                   	pop    %rbx
   a:	8b 40 14             	mov    0x14(%rax),%eax
   d:	5d                   	pop    %rbp
   e:	41 5c                	pop    %r12
  10:	c3                   	ret
  11:	cc                   	int3
  12:	cc                   	int3
  13:	cc                   	int3
  14:	cc                   	int3
  15:	31 c0                	xor    %eax,%eax
  17:	c3                   	ret
  18:	cc                   	int3
  19:	cc                   	int3
  1a:	cc                   	int3
  1b:	cc                   	int3
  1c:	90                   	nop
  1d:	48 c7 c7 08 48 40 ad 	mov    $0xffffffffad404808,%rdi
  24:	e8 62 ed 0d ff       	call   0xffffffffff0ded8b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	90                   	nop
  2e:	eb bb                	jmp    0xffffffffffffffeb
  30:	66 66 2e 0f 1f 84 00 	data16 cs nopw 0x0(%rax,%rax,1)
  37:	00 00 00 00 
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	90                   	nop
   4:	eb bb                	jmp    0xffffffffffffffc1
   6:	66 66 2e 0f 1f 84 00 	data16 cs nopw 0x0(%rax,%rax,1)
   d:	00 00 00 00 
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
[ 1706.949222][T12419] RSP: 0018:ffffc9000060f228 EFLAGS: 00010086
[ 1706.949465][T12419] RAX: 0000000000000000 RBX: ffffc9000060f248 RCX: 1ffffffff5afb43c
[ 1706.949884][T12419] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000001
[ 1706.950170][T12419] RBP: 000000006b6b6b6b R08: 0000000000000000 R09: fffffbfff5afb43c
[ 1706.950461][T12419] R10: 0000000000000003 R11: 6361747320726574 R12: 0000000000000000
[ 1706.950896][T12419] R13: ffffffffabe79707 R14: 0000000000000008 R15: ffff8880090c45c0
[ 1706.951201][T12419] FS:  00007f62009ef800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[ 1706.951558][T12419] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1706.951946][T12419] CR2: 00000000004e3370 CR3: 0000000005e38002 CR4: 0000000000772ef0
[ 1706.952258][T12419] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1706.952567][T12419] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1706.953001][T12419] PKRU: 55555554
[ 1706.953155][T12419] Call Trace:
[ 1706.953310][T12419]  <TASK>
[1706.953415][T12419] ? stack_depot_fetch (lib/stackdepot.c:711 lib/stackdepot.c:691) 
[1706.953621][T12419] ? __warn (kernel/panic.c:748) 
[1706.953902][T12419] ? nbcon_get_cpu_emergency_nesting (kernel/printk/nbcon.c:1356) 
[1706.954161][T12419] ? stack_depot_fetch (lib/stackdepot.c:711 lib/stackdepot.c:691) 
[1706.954368][T12419] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[1706.954577][T12419] ? handle_bug (arch/x86/kernel/traps.c:285) 
[1706.954847][T12419] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[1706.955042][T12419] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[1706.955234][T12419] ? neigh_flush_dev.isra.0 (./include/linux/list.h:990 ./include/linux/rculist.h:516 net/core/neighbour.c:385) 
[1706.955433][T12419] ? stack_depot_fetch (lib/stackdepot.c:711 lib/stackdepot.c:691) 
[1706.955752][T12419] ? stack_depot_fetch (lib/stackdepot.c:711 lib/stackdepot.c:691) 
[1706.955944][T12419] stack_depot_print (lib/stackdepot.c:745) 
[1706.956140][T12419] print_address_description.constprop.0 (mm/kasan/report.c:343 mm/kasan/report.c:352 mm/kasan/report.c:381) 
[1706.956382][T12419] ? neigh_flush_dev.isra.0 (./include/linux/list.h:990 ./include/linux/rculist.h:516 net/core/neighbour.c:385) 
[1706.956699][T12419] print_report (mm/kasan/report.c:489) 
[1706.956890][T12419] ? kasan_addr_to_slab (./include/linux/mm.h:1282 mm/kasan/../slab.h:206 mm/kasan/common.c:38) 
[1706.957082][T12419] kasan_report (mm/kasan/report.c:603) 
[1706.957228][T12419] ? neigh_flush_dev.isra.0 (./include/linux/list.h:990 ./include/linux/rculist.h:516 net/core/neighbour.c:385) 
[1706.957435][T12419] neigh_flush_dev.isra.0 (./include/linux/list.h:990 ./include/linux/rculist.h:516 net/core/neighbour.c:385) 
[1706.957771][T12419] ? lock_acquire (kernel/locking/lockdep.c:5798) 
[1706.957987][T12419] __neigh_ifdown.isra.0 (net/core/neighbour.c:826 net/core/neighbour.c:426) 
[1706.958191][T12419] ? blocking_notifier_call_chain (kernel/notifier.c:388 kernel/notifier.c:376) 
[1706.958450][T12419] neigh_ifdown (net/core/neighbour.c:445) 
[1706.958729][T12419] fib_inetaddr_event (net/ipv4/fib_frontend.c:1431 net/ipv4/fib_frontend.c:1455) 
[1706.958937][T12419] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) 
[1706.959144][T12419] blocking_notifier_call_chain (kernel/notifier.c:389 kernel/notifier.c:376) 
[1706.959351][T12419] __inet_del_ifa (net/ipv4/devinet.c:488) 
[1706.959820][T12419] inet_rtm_deladdr (net/ipv4/devinet.c:706) 
[1706.960034][T12419] ? __pfx_inet_rtm_deladdr (net/ipv4/devinet.c:665) 
[1706.960246][T12419] rtnetlink_rcv_msg (net/core/rtnetlink.c:6721) 
[1706.960452][T12419] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6615) 
[1706.960657][T12419] ? 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) 
[1706.960988][T12419] ? mark_lock (kernel/locking/lockdep.c:4703 (discriminator 3)) 
[1706.961145][T12419] ? __lock_acquire (kernel/locking/lockdep.c:5202) 
[1706.961354][T12419] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1706.961546][T12419] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6615) 
[1706.961868][T12419] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1706.962078][T12419] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[1706.962270][T12419] ? 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) 
[1706.962463][T12419] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[1706.962784][T12419] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[1706.962977][T12419] ? find_held_lock (kernel/locking/lockdep.c:5315) 
[1706.963171][T12419] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[1706.963365][T12419] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[1706.963561][T12419] ? __might_fault (mm/memory.c:6700 mm/memory.c:6693) 
[1706.963880][T12419] ? __import_iovec (lib/iov_iter.c:1433 lib/iov_iter.c:1449) 
[1706.964086][T12419] ____sys_sendmsg (net/socket.c:729 net/socket.c:744 net/socket.c:2607) 
[1706.964292][T12419] ? __pfx_____sys_sendmsg (net/socket.c:2553) 
[1706.964495][T12419] ? __pfx_copy_msghdr_from_user (net/socket.c:2533) 
[1706.964882][T12419] ___sys_sendmsg (net/socket.c:2663) 
[1706.965088][T12419] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[1706.965293][T12419] ? __pfx____sys_sendmsg (net/socket.c:2650) 
[1706.965501][T12419] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860) 
[1706.965834][T12419] ? __pfx_slab_free_after_rcu_debug (mm/slub.c:4609) 
[1706.966088][T12419] ? kasan_save_stack (mm/kasan/common.c:49) 
[1706.966294][T12419] ? kasan_save_stack (mm/kasan/common.c:48) 
[1706.966497][T12419] ? __kasan_record_aux_stack (mm/kasan/generic.c:541) 
[1706.966829][T12419] ? __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) 
[1706.967083][T12419] ? __x64_sys_close (fs/open.c:1568 fs/open.c:1550 fs/open.c:1550) 
[1706.967286][T12419] ? do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[1706.967494][T12419] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[1706.967877][T12419] ? __lock_acquire (kernel/locking/lockdep.c:5202) 
[1706.968098][T12419] ? find_held_lock (kernel/locking/lockdep.c:5315) 
[1706.968298][T12419] ? __lock_release (kernel/locking/lockdep.c:5501) 
[1706.968491][T12419] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1114 fs/file.c:1128) 
[1706.968765][T12419] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2692) 
[1706.968962][T12419] ? __pfx___sys_sendmsg (net/socket.c:2678) 
[1706.969152][T12419] ? __virt_addr_valid (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:962 ./include/linux/mmzone.h:2053 arch/x86/mm/physaddr.c:65) 
[1706.969360][T12419] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[1706.969692][T12419] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1706.969932][T12419] RIP: 0033:0x7f6200bfb7b7
[ 1706.970130][T12419] 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)
[ 1706.970945][T12419] RSP: 002b:00007ffdd1bc3b18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1706.971245][T12419] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6200bfb7b7
[ 1706.971685][T12419] RDX: 0000000000000000 RSI: 00007ffdd1bc3b80 RDI: 0000000000000005
[ 1706.971995][T12419] RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000078
[ 1706.972300][T12419] R10: 00007f6200ab9ef8 R11: 0000000000000246 R12: 00007ffdd1bc42d0
[ 1706.972735][T12419] R13: 000000006716a06c R14: 0000000000496600 R15: 00007ffdd1bc42d8
| [ 1706.983182][T12419] Disabling lock debugging due to kernel taint
| [ 1706.983538][T12419] Oops: general protection fault, probably for non-canonical address 0xed6d696d6d6d6d6d: 0000 [#1] PREEMPT SMP KASAN NOPTI
| [ 1706.984079][T12419] KASAN: maybe wild-memory-access in range [0x6b6b6b6b6b6b6b68-0x6b6b6b6b6b6b6b6f]
| [ 1706.984810][T12419] Tainted: [B]=BAD_PAGE, [W]=WARN
[ 1706.984987][T12419] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[1706.985492][T12419] RIP: 0010:neigh_flush_dev.isra.0 (./include/linux/list.h:988 ./include/linux/rculist.h:516 net/core/neighbour.c:384) 
[ 1706.985738][T12419] 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
[ 1706.986532][T12419] RSP: 0018:ffffc9000060f388 EFLAGS: 00010202
[ 1706.986773][T12419] RAX: 0d6d6d6d6d6d6d6d RBX: 6b6b6b6b6b6b6b6b RCX: ffffffffabe796f0
[ 1706.987056][T12419] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888005ba4008
[ 1706.987337][T12419] RBP: 6b6b6b6b6b6b6b6b R08: 0000000000000000 R09: 0000000000000000
[ 1706.987622][T12419] R10: ffffffffae371f0f R11: ffffc9000060ef99 R12: ffff888005ba413c
[ 1706.987904][T12419] R13: dffffc0000000000 R14: ffff88800b1bc000 R15: ffff888005ba4000
[ 1706.988300][T12419] FS:  00007f62009ef800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[ 1706.988628][T12419] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1706.988866][T12419] CR2: 00000000004e3370 CR3: 0000000005e38002 CR4: 0000000000772ef0
[ 1706.989267][T12419] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1706.989549][T12419] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1706.989821][T12419] PKRU: 55555554
[ 1706.990073][T12419] Call Trace:
[ 1706.990175][T12419]  <TASK>
[1706.990243][T12419] ? die_addr (arch/x86/kernel/dumpstack.c:421 arch/x86/kernel/dumpstack.c:460) 
[1706.990353][T12419] ? exc_general_protection (arch/x86/kernel/traps.c:751 arch/x86/kernel/traps.c:693) 
[1706.990498][T12419] ? asm_exc_general_protection (./arch/x86/include/asm/idtentry.h:617) 
[1706.990706][T12419] ? neigh_flush_dev.isra.0 (./include/linux/list.h:986 ./include/linux/rculist.h:516 net/core/neighbour.c:384) 
[1706.990837][T12419] ? neigh_flush_dev.isra.0 (./include/linux/list.h:988 ./include/linux/rculist.h:516 net/core/neighbour.c:384) 
[1706.990967][T12419] ? neigh_flush_dev.isra.0 (./include/linux/list.h:986 ./include/linux/rculist.h:516 net/core/neighbour.c:384) 
[1706.991095][T12419] ? lock_acquire (kernel/locking/lockdep.c:5798) 
[1706.991304][T12419] __neigh_ifdown.isra.0 (net/core/neighbour.c:826 net/core/neighbour.c:426) 
[1706.991438][T12419] ? blocking_notifier_call_chain (kernel/notifier.c:388 kernel/notifier.c:376) 
[1706.991600][T12419] neigh_ifdown (net/core/neighbour.c:445) 
[1706.991701][T12419] fib_inetaddr_event (net/ipv4/fib_frontend.c:1431 net/ipv4/fib_frontend.c:1455) 
[1706.991837][T12419] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) 
[1706.991967][T12419] blocking_notifier_call_chain (kernel/notifier.c:389 kernel/notifier.c:376) 
[1706.992098][T12419] __inet_del_ifa (net/ipv4/devinet.c:488) 
[1706.992231][T12419] inet_rtm_deladdr (net/ipv4/devinet.c:706) 
[1706.992363][T12419] ? __pfx_inet_rtm_deladdr (net/ipv4/devinet.c:665) 
[1706.992583][T12419] rtnetlink_rcv_msg (net/core/rtnetlink.c:6721) 
[1706.992726][T12419] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6615) 
[1706.992874][T12419] ? 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) 
[1706.993017][T12419] ? mark_lock (kernel/locking/lockdep.c:4703 (discriminator 3)) 
[1706.993200][T12419] ? __lock_acquire (kernel/locking/lockdep.c:5202) 
[1706.993346][T12419] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1706.993488][T12419] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6615) 
[1706.993631][T12419] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1706.993778][T12419] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[1706.993996][T12419] ? 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) 
[1706.994143][T12419] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[1706.994289][T12419] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[1706.994431][T12419] ? find_held_lock (kernel/locking/lockdep.c:5315) 
[1706.994657][T12419] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[1706.994802][T12419] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[1706.994949][T12419] ? __might_fault (mm/memory.c:6700 mm/memory.c:6693) 
[1706.995091][T12419] ? __import_iovec (lib/iov_iter.c:1433 lib/iov_iter.c:1449) 
[1706.995310][T12419] ____sys_sendmsg (net/socket.c:729 net/socket.c:744 net/socket.c:2607) 
[1706.995453][T12419] ? __pfx_____sys_sendmsg (net/socket.c:2553) 
[1706.995598][T12419] ? __pfx_copy_msghdr_from_user (net/socket.c:2533) 
[1706.995778][T12419] ___sys_sendmsg (net/socket.c:2663) 
[1706.995995][T12419] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[1706.996145][T12419] ? __pfx____sys_sendmsg (net/socket.c:2650) 
[1706.996287][T12419] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860) 
[1706.996427][T12419] ? __pfx_slab_free_after_rcu_debug (mm/slub.c:4609) 
[1706.996682][T12419] ? kasan_save_stack (mm/kasan/common.c:49) 
[1706.996826][T12419] ? kasan_save_stack (mm/kasan/common.c:48) 
[1706.996970][T12419] ? __kasan_record_aux_stack (mm/kasan/generic.c:541) 
[1706.997111][T12419] ? __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) 
[1706.997369][T12419] ? __x64_sys_close (fs/open.c:1568 fs/open.c:1550 fs/open.c:1550) 
[1706.997509][T12419] ? do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[1706.997652][T12419] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[1706.997827][T12419] ? __lock_acquire (kernel/locking/lockdep.c:5202) 
[1706.997972][T12419] ? find_held_lock (kernel/locking/lockdep.c:5315) 
[1706.998140][T12419] ? __lock_release (kernel/locking/lockdep.c:5501) 
[1706.998283][T12419] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1114 fs/file.c:1128) 
[1706.998395][T12419] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2692) 
[1706.998539][T12419] ? __pfx___sys_sendmsg (net/socket.c:2678) 
[1706.998756][T12419] ? __virt_addr_valid (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:962 ./include/linux/mmzone.h:2053 arch/x86/mm/physaddr.c:65) 
[1706.998905][T12419] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[1706.999047][T12419] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1706.999223][T12419] RIP: 0033:0x7f6200bfb7b7
[ 1706.999456][T12419] 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)
[ 1706.999976][T12419] RSP: 002b:00007ffdd1bc3b18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1707.000192][T12419] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6200bfb7b7
[ 1707.000417][T12419] RDX: 0000000000000000 RSI: 00007ffdd1bc3b80 RDI: 0000000000000005
[ 1707.000793][T12419] RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000078
[ 1707.001006][T12419] R10: 00007f6200ab9ef8 R11: 0000000000000246 R12: 00007ffdd1bc42d0


Finger prints:
stack_depot_fetch:stack_depot_print:print_report:kasan_report:neigh_ifdown
neigh_ifdown:fib_inetaddr_event:notifier_call_chain:blocking_notifier_call_chain:__inet_del_ifa
print_report:kasan_report:neigh_ifdown:fib_inetaddr_event:notifier_call_chain
depot_fetch_stack:stack_depot_fetch:stack_depot_print:print_report:kasan_report