======================================
| [  131.492722][  T833] ==================================================================
| [ 131.492958][ T833] 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) 
| [  131.493174][  T833] Write of size 8 at addr ffff8880053e5818 by task ip/833
| [  131.493345][  T833]
[  131.493633][  T833] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  131.493960][  T833] Call Trace:
[  131.494073][  T833]  <TASK>
[ 131.494150][ T833] dump_stack_lvl (lib/dump_stack.c:123) 
[ 131.494298][ T833] print_address_description.constprop.0 (mm/kasan/report.c:378) 
[ 131.494473][ T833] ? neigh_flush_dev.isra.0 (./include/linux/list.h:990 ./include/linux/rculist.h:516 net/core/neighbour.c:385) 
[ 131.494613][ T833] print_report (mm/kasan/report.c:489) 
[ 131.494753][ T833] ? kasan_addr_to_slab (./include/linux/mm.h:1282 mm/kasan/../slab.h:206 mm/kasan/common.c:38) 
[ 131.494900][ T833] kasan_report (mm/kasan/report.c:603) 
[ 131.495004][ T833] ? neigh_flush_dev.isra.0 (./include/linux/list.h:990 ./include/linux/rculist.h:516 net/core/neighbour.c:385) 
[ 131.495158][ T833] neigh_flush_dev.isra.0 (./include/linux/list.h:990 ./include/linux/rculist.h:516 net/core/neighbour.c:385) 
[ 131.495295][ T833] ? lock_acquire (kernel/locking/lockdep.c:5798) 
[ 131.495439][ T833] __neigh_ifdown.isra.0 (net/core/neighbour.c:826 net/core/neighbour.c:426) 
[ 131.495574][ T833] ? blocking_notifier_call_chain (kernel/notifier.c:388 kernel/notifier.c:376) 
[ 131.495752][ T833] neigh_ifdown (net/core/neighbour.c:445) 
[ 131.495861][ T833] fib_inetaddr_event (net/ipv4/fib_frontend.c:1431 net/ipv4/fib_frontend.c:1455) 
[ 131.496005][ T833] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) 
[ 131.496141][ T833] blocking_notifier_call_chain (kernel/notifier.c:389 kernel/notifier.c:376) 
[ 131.496285][ T833] __inet_del_ifa (net/ipv4/devinet.c:488) 
[ 131.496425][ T833] inet_rtm_deladdr (net/ipv4/devinet.c:706) 
[ 131.496568][ T833] ? __pfx_inet_rtm_deladdr (net/ipv4/devinet.c:665) 
[ 131.496709][ T833] rtnetlink_rcv_msg (net/core/rtnetlink.c:6721) 
[ 131.496851][ T833] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6615) 
[ 131.496992][ T833] ? 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) 
[ 131.497131][ T833] ? mark_lock (kernel/locking/lockdep.c:4703 (discriminator 3)) 
[ 131.497238][ T833] ? __lock_acquire (kernel/locking/lockdep.c:5202) 
[ 131.497381][ T833] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 131.497520][ T833] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6615) 
[ 131.497656][ T833] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 131.497798][ T833] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 131.497933][ T833] ? 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) 
[ 131.498071][ T833] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 131.498214][ T833] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 131.498350][ T833] ? find_held_lock (kernel/locking/lockdep.c:5315) 
[ 131.498491][ T833] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 131.498629][ T833] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 131.498765][ T833] ? __might_fault (mm/memory.c:6700 mm/memory.c:6693) 
[ 131.498903][ T833] ? __import_iovec (lib/iov_iter.c:1433 lib/iov_iter.c:1449) 
[ 131.499050][ T833] ____sys_sendmsg (net/socket.c:729 net/socket.c:744 net/socket.c:2607) 
[ 131.499187][ T833] ? __pfx_____sys_sendmsg (net/socket.c:2553) 
[ 131.499321][ T833] ? __pfx_copy_msghdr_from_user (net/socket.c:2533) 
[ 131.499492][ T833] ___sys_sendmsg (net/socket.c:2663) 
[ 131.499634][ T833] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 131.499778][ T833] ? __pfx____sys_sendmsg (net/socket.c:2650) 
[ 131.499914][ T833] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860) 
[ 131.500051][ T833] ? __pfx_slab_free_after_rcu_debug (mm/slub.c:4609) 
[ 131.500223][ T833] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 131.500358][ T833] ? kasan_save_stack (mm/kasan/common.c:48) 
[ 131.500491][ T833] ? __kasan_record_aux_stack (mm/kasan/generic.c:541) 
[ 131.500628][ T833] ? __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) 
[ 131.500816][ T833] ? __x64_sys_close (fs/open.c:1568 fs/open.c:1550 fs/open.c:1550) 
[ 131.500952][ T833] ? do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 131.501092][ T833] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 131.501264][ T833] ? __lock_acquire (kernel/locking/lockdep.c:5202) 
[ 131.501403][ T833] ? find_held_lock (kernel/locking/lockdep.c:5315) 
[ 131.501541][ T833] ? __lock_release (kernel/locking/lockdep.c:5501) 
[ 131.501679][ T833] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1114 fs/file.c:1128) 
[ 131.501785][ T833] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2692) 
[ 131.501924][ T833] ? __pfx___sys_sendmsg (net/socket.c:2678) 
[ 131.502070][ T833] ? __virt_addr_valid (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:962 ./include/linux/mmzone.h:2053 arch/x86/mm/physaddr.c:65) 
[ 131.502216][ T833] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 131.502352][ T833] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  131.502524][  T833] RIP: 0033:0x7ff5182227b7
[ 131.502668][ T833] 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)
[  131.503156][  T833] RSP: 002b:00007ffdff290228 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  131.503366][  T833] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff5182227b7
[  131.503576][  T833] RDX: 0000000000000000 RSI: 00007ffdff290290 RDI: 0000000000000005
[  131.503786][  T833] RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000078
[  131.503999][  T833] R10: 00007ff5180e0ef8 R11: 0000000000000246 R12: 00007ffdff2909e0
[  131.504208][  T833] R13: 00000000671676e4 R14: 0000000000496600 R15: 00007ffdff2909e8
| [  131.508174][  T833] ------------[ cut here ]------------
| [  131.508320][  T833] pool index 93034 out of bounds (683) for stack id 6b6b6b6b
| [ 131.508572][ T833] WARNING: CPU: 3 PID: 833 at lib/stackdepot.c:451 depot_fetch_stack (lib/stackdepot.c:451 (discriminator 1)) 
| [  131.508832][  T833] Modules linked in: cls_flower act_mirred ip6_gre ip6_tunnel tunnel6 act_gact cls_matchall ip_gre gre sch_ingress bridge stp llc 8021q vrf veth
[  131.509484][  T833] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 131.509816][ T833] RIP: 0010:depot_fetch_stack (lib/stackdepot.c:451 (discriminator 1)) 
[ 131.509968][ T833] Code: b8 11 6d b2 e8 cb c0 9a 01 83 f8 01 75 b8 90 0f 0b 90 eb b2 90 48 c7 c7 28 47 e0 b1 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 6d b2 e8       	mov    $0xe8b26d11,%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 e0 b1 	mov    $0xffffffffb1e04728,%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
[  131.510493][  T833] RSP: 0018:ffffc90000b4f200 EFLAGS: 00010086
[  131.510687][  T833] RAX: 0000000000000000 RBX: 0000000000001b50 RCX: 1ffffffff643b43c
[  131.510908][  T833] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000001
[  131.511137][  T833] RBP: 0000000000016b6a R08: 0000000000000000 R09: fffffbfff643b43c
[  131.511352][  T833] R10: 0000000000000003 R11: 205d333338542020 R12: 000000006b6b6b6b
[  131.511569][  T833] R13: 00000000000002ab R14: 0000000000000008 R15: ffff88800619a300
[  131.511788][  T833] FS:  00007ff518016800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[  131.512051][  T833] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  131.512240][  T833] CR2: 00000000004e2aa0 CR3: 000000000284e004 CR4: 0000000000772ef0
[  131.512461][  T833] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  131.512677][  T833] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  131.512895][  T833] PKRU: 55555554
[  131.513011][  T833] Call Trace:
[  131.513130][  T833]  <TASK>
[ 131.513205][ T833] ? depot_fetch_stack (lib/stackdepot.c:451 (discriminator 1)) 
[ 131.513351][ T833] ? __warn (kernel/panic.c:748) 
[ 131.513462][ T833] ? depot_fetch_stack (lib/stackdepot.c:451 (discriminator 1)) 
[ 131.513699][ T833] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 131.513848][ T833] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 131.513965][ T833] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 131.514112][ T833] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 131.514262][ T833] ? depot_fetch_stack (lib/stackdepot.c:451 (discriminator 1)) 
[ 131.514498][ T833] ? neigh_flush_dev.isra.0 (./include/linux/list.h:990 ./include/linux/rculist.h:516 net/core/neighbour.c:385) 
[ 131.514644][ T833] stack_depot_fetch (lib/stackdepot.c:711 lib/stackdepot.c:691) 
[ 131.514798][ T833] stack_depot_print (lib/stackdepot.c:745) 
[ 131.514943][ T833] print_address_description.constprop.0 (mm/kasan/report.c:343 mm/kasan/report.c:352 mm/kasan/report.c:381) 
[ 131.515224][ T833] ? neigh_flush_dev.isra.0 (./include/linux/list.h:990 ./include/linux/rculist.h:516 net/core/neighbour.c:385) 
[ 131.515370][ T833] print_report (mm/kasan/report.c:489) 
[ 131.515514][ T833] ? kasan_addr_to_slab (./include/linux/mm.h:1282 mm/kasan/../slab.h:206 mm/kasan/common.c:38) 
[ 131.515661][ T833] kasan_report (mm/kasan/report.c:603) 
[ 131.515864][ T833] ? neigh_flush_dev.isra.0 (./include/linux/list.h:990 ./include/linux/rculist.h:516 net/core/neighbour.c:385) 
[ 131.516009][ T833] neigh_flush_dev.isra.0 (./include/linux/list.h:990 ./include/linux/rculist.h:516 net/core/neighbour.c:385) 
[ 131.516153][ T833] ? lock_acquire (kernel/locking/lockdep.c:5798) 
[ 131.516299][ T833] __neigh_ifdown.isra.0 (net/core/neighbour.c:826 net/core/neighbour.c:426) 
[ 131.516442][ T833] ? blocking_notifier_call_chain (kernel/notifier.c:388 kernel/notifier.c:376) 
[ 131.516725][ T833] neigh_ifdown (net/core/neighbour.c:445) 
[ 131.516833][ T833] fib_inetaddr_event (net/ipv4/fib_frontend.c:1431 net/ipv4/fib_frontend.c:1455) 
[ 131.516981][ T833] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) 
[ 131.517130][ T833] blocking_notifier_call_chain (kernel/notifier.c:389 kernel/notifier.c:376) 
[ 131.517280][ T833] __inet_del_ifa (net/ipv4/devinet.c:488) 
[ 131.517427][ T833] inet_rtm_deladdr (net/ipv4/devinet.c:706) 
[ 131.517571][ T833] ? __pfx_inet_rtm_deladdr (net/ipv4/devinet.c:665) 
[ 131.517719][ T833] rtnetlink_rcv_msg (net/core/rtnetlink.c:6721) 
[ 131.517866][ T833] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6615) 
[ 131.518008][ T833] ? 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) 
[ 131.518153][ T833] ? mark_lock (kernel/locking/lockdep.c:4703 (discriminator 3)) 
[ 131.518272][ T833] ? __lock_acquire (kernel/locking/lockdep.c:5202) 
[ 131.518422][ T833] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 131.518756][ T833] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6615) 
[ 131.518899][ T833] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 131.519054][ T833] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 131.519199][ T833] ? 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) 
[ 131.519344][ T833] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 131.519491][ T833] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 131.519640][ T833] ? find_held_lock (kernel/locking/lockdep.c:5315) 
[ 131.519792][ T833] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 131.519939][ T833] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 131.520087][ T833] ? __might_fault (mm/memory.c:6700 mm/memory.c:6693) 
[ 131.520232][ T833] ? __import_iovec (lib/iov_iter.c:1433 lib/iov_iter.c:1449) 
[ 131.520381][ T833] ____sys_sendmsg (net/socket.c:729 net/socket.c:744 net/socket.c:2607) 
[ 131.520622][ T833] ? __pfx_____sys_sendmsg (net/socket.c:2553) 
[ 131.520766][ T833] ? __pfx_copy_msghdr_from_user (net/socket.c:2533) 
[ 131.520955][ T833] ___sys_sendmsg (net/socket.c:2663) 
[ 131.521104][ T833] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 131.521253][ T833] ? __pfx____sys_sendmsg (net/socket.c:2650) 
[ 131.521398][ T833] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860) 
[ 131.521542][ T833] ? __pfx_slab_free_after_rcu_debug (mm/slub.c:4609) 
[ 131.521730][ T833] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 131.521876][ T833] ? kasan_save_stack (mm/kasan/common.c:48) 
[ 131.522029][ T833] ? __kasan_record_aux_stack (mm/kasan/generic.c:541) 
[ 131.522180][ T833] ? __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) 
[ 131.522376][ T833] ? __x64_sys_close (fs/open.c:1568 fs/open.c:1550 fs/open.c:1550) 
[ 131.522617][ T833] ? do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 131.522767][ T833] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 131.522955][ T833] ? __lock_acquire (kernel/locking/lockdep.c:5202) 
[ 131.523105][ T833] ? find_held_lock (kernel/locking/lockdep.c:5315) 
[ 131.523249][ T833] ? __lock_release (kernel/locking/lockdep.c:5501) 
[ 131.523392][ T833] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1114 fs/file.c:1128) 
[ 131.523504][ T833] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2692) 
[ 131.523661][ T833] ? __pfx___sys_sendmsg (net/socket.c:2678) 
[ 131.523806][ T833] ? __virt_addr_valid (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:962 ./include/linux/mmzone.h:2053 arch/x86/mm/physaddr.c:65) 
[ 131.523958][ T833] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 131.524103][ T833] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  131.524282][  T833] RIP: 0033:0x7ff5182227b7
[ 131.524437][ T833] 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)
[  131.525061][  T833] RSP: 002b:00007ffdff290228 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  131.525292][  T833] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff5182227b7
[  131.525509][  T833] RDX: 0000000000000000 RSI: 00007ffdff290290 RDI: 0000000000000005
[  131.525725][  T833] RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000078
[  131.525945][  T833] R10: 00007ff5180e0ef8 R11: 0000000000000246 R12: 00007ffdff2909e0
[  131.526166][  T833] R13: 00000000671676e4 R14: 0000000000496600 R15: 00007ffdff2909e8
| [  131.528111][  T833] corrupt handle or use after stack_depot_put()
| [ 131.528146][ T833] WARNING: CPU: 3 PID: 833 at lib/stackdepot.c:711 stack_depot_fetch (lib/stackdepot.c:711 lib/stackdepot.c:691) 
| [  131.528664][  T833] Modules linked in: cls_flower act_mirred ip6_gre ip6_tunnel tunnel6 act_gact cls_matchall ip_gre gre sch_ingress bridge stp llc 8021q vrf veth
| [  131.529326][  T833] Tainted: [W]=WARN
[  131.529448][  T833] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 131.529773][ T833] RIP: 0010:stack_depot_fetch (lib/stackdepot.c:711 lib/stackdepot.c:691) 
[ 131.530012][ T833] 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 e0 b1 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 e0 b1 	mov    $0xffffffffb1e04808,%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
[  131.530619][  T833] RSP: 0018:ffffc90000b4f228 EFLAGS: 00010086
[  131.530800][  T833] RAX: 0000000000000000 RBX: ffffc90000b4f248 RCX: 1ffffffff643b43c
[  131.531027][  T833] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000001
[  131.531239][  T833] RBP: 000000006b6b6b6b R08: 0000000000000000 R09: fffffbfff643b43c
[  131.531450][  T833] R10: 0000000000000003 R11: 6361747320726574 R12: 0000000000000000
[  131.531666][  T833] R13: ffffffffb0879707 R14: 0000000000000008 R15: ffff88800619a300
[  131.531879][  T833] FS:  00007ff518016800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[  131.532136][  T833] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  131.532323][  T833] CR2: 00000000004e2aa0 CR3: 000000000284e004 CR4: 0000000000772ef0
[  131.532641][  T833] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  131.532861][  T833] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  131.533073][  T833] PKRU: 55555554
[  131.533182][  T833] Call Trace:
[  131.533289][  T833]  <TASK>
[ 131.533363][ T833] ? stack_depot_fetch (lib/stackdepot.c:711 lib/stackdepot.c:691) 
[ 131.533506][ T833] ? __warn (kernel/panic.c:748) 
[ 131.533624][ T833] ? nbcon_get_cpu_emergency_nesting (kernel/printk/nbcon.c:1356) 
[ 131.533802][ T833] ? stack_depot_fetch (lib/stackdepot.c:711 lib/stackdepot.c:691) 
[ 131.533953][ T833] ? report_bug (lib/bug.c:201 lib/bug.c:219) 
[ 131.534109][ T833] ? handle_bug (arch/x86/kernel/traps.c:285) 
[ 131.534219][ T833] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) 
[ 131.534370][ T833] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) 
[ 131.534607][ T833] ? neigh_flush_dev.isra.0 (./include/linux/list.h:990 ./include/linux/rculist.h:516 net/core/neighbour.c:385) 
[ 131.534751][ T833] ? stack_depot_fetch (lib/stackdepot.c:711 lib/stackdepot.c:691) 
[ 131.534899][ T833] ? stack_depot_fetch (lib/stackdepot.c:711 lib/stackdepot.c:691) 
[ 131.535043][ T833] stack_depot_print (lib/stackdepot.c:745) 
[ 131.535198][ T833] print_address_description.constprop.0 (mm/kasan/report.c:343 mm/kasan/report.c:352 mm/kasan/report.c:381) 
[ 131.535386][ T833] ? neigh_flush_dev.isra.0 (./include/linux/list.h:990 ./include/linux/rculist.h:516 net/core/neighbour.c:385) 
[ 131.535529][ T833] print_report (mm/kasan/report.c:489) 
[ 131.535673][ T833] ? kasan_addr_to_slab (./include/linux/mm.h:1282 mm/kasan/../slab.h:206 mm/kasan/common.c:38) 
[ 131.535818][ T833] kasan_report (mm/kasan/report.c:603) 
[ 131.535927][ T833] ? neigh_flush_dev.isra.0 (./include/linux/list.h:990 ./include/linux/rculist.h:516 net/core/neighbour.c:385) 
[ 131.536070][ T833] neigh_flush_dev.isra.0 (./include/linux/list.h:990 ./include/linux/rculist.h:516 net/core/neighbour.c:385) 
[ 131.536211][ T833] ? lock_acquire (kernel/locking/lockdep.c:5798) 
[ 131.536356][ T833] __neigh_ifdown.isra.0 (net/core/neighbour.c:826 net/core/neighbour.c:426) 
[ 131.536603][ T833] ? blocking_notifier_call_chain (kernel/notifier.c:388 kernel/notifier.c:376) 
[ 131.536786][ T833] neigh_ifdown (net/core/neighbour.c:445) 
[ 131.536899][ T833] fib_inetaddr_event (net/ipv4/fib_frontend.c:1431 net/ipv4/fib_frontend.c:1455) 
[ 131.537043][ T833] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) 
[ 131.537276][ T833] blocking_notifier_call_chain (kernel/notifier.c:389 kernel/notifier.c:376) 
[ 131.537419][ T833] __inet_del_ifa (net/ipv4/devinet.c:488) 
[ 131.537563][ T833] inet_rtm_deladdr (net/ipv4/devinet.c:706) 
[ 131.537707][ T833] ? __pfx_inet_rtm_deladdr (net/ipv4/devinet.c:665) 
[ 131.537943][ T833] rtnetlink_rcv_msg (net/core/rtnetlink.c:6721) 
[ 131.538096][ T833] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6615) 
[ 131.538240][ T833] ? 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) 
[ 131.538384][ T833] ? mark_lock (kernel/locking/lockdep.c:4703 (discriminator 3)) 
[ 131.538494][ T833] ? __lock_acquire (kernel/locking/lockdep.c:5202) 
[ 131.538732][ T833] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 131.538882][ T833] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6615) 
[ 131.539024][ T833] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 131.539171][ T833] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 131.539318][ T833] ? 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) 
[ 131.539461][ T833] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 131.539603][ T833] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 131.539745][ T833] ? find_held_lock (kernel/locking/lockdep.c:5315) 
[ 131.539977][ T833] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 131.540121][ T833] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 131.540263][ T833] ? __might_fault (mm/memory.c:6700 mm/memory.c:6693) 
[ 131.540406][ T833] ? __import_iovec (lib/iov_iter.c:1433 lib/iov_iter.c:1449) 
[ 131.540656][ T833] ____sys_sendmsg (net/socket.c:729 net/socket.c:744 net/socket.c:2607) 
[ 131.540801][ T833] ? __pfx_____sys_sendmsg (net/socket.c:2553) 
[ 131.540943][ T833] ? __pfx_copy_msghdr_from_user (net/socket.c:2533) 
[ 131.541124][ T833] ___sys_sendmsg (net/socket.c:2663) 
[ 131.541267][ T833] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 131.541412][ T833] ? __pfx____sys_sendmsg (net/socket.c:2650) 
[ 131.541553][ T833] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860) 
[ 131.541697][ T833] ? __pfx_slab_free_after_rcu_debug (mm/slub.c:4609) 
[ 131.541965][ T833] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 131.542120][ T833] ? kasan_save_stack (mm/kasan/common.c:48) 
[ 131.542260][ T833] ? __kasan_record_aux_stack (mm/kasan/generic.c:541) 
[ 131.542404][ T833] ? __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) 
[ 131.542668][ T833] ? __x64_sys_close (fs/open.c:1568 fs/open.c:1550 fs/open.c:1550) 
[ 131.542810][ T833] ? do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 131.542954][ T833] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 131.543129][ T833] ? __lock_acquire (kernel/locking/lockdep.c:5202) 
[ 131.543364][ T833] ? find_held_lock (kernel/locking/lockdep.c:5315) 
[ 131.543508][ T833] ? __lock_release (kernel/locking/lockdep.c:5501) 
[ 131.543651][ T833] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1114 fs/file.c:1128) 
[ 131.543762][ T833] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2692) 
[ 131.543905][ T833] ? __pfx___sys_sendmsg (net/socket.c:2678) 
[ 131.544139][ T833] ? __virt_addr_valid (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:962 ./include/linux/mmzone.h:2053 arch/x86/mm/physaddr.c:65) 
[ 131.544289][ T833] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 131.544432][ T833] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  131.544611][  T833] RIP: 0033:0x7ff5182227b7
[ 131.544850][ T833] 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)
[  131.545389][  T833] RSP: 002b:00007ffdff290228 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  131.545700][  T833] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff5182227b7
[  131.545919][  T833] RDX: 0000000000000000 RSI: 00007ffdff290290 RDI: 0000000000000005
[  131.546135][  T833] RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000078
[  131.546350][  T833] R10: 00007ff5180e0ef8 R11: 0000000000000246 R12: 00007ffdff2909e0
[  131.546565][  T833] R13: 00000000671676e4 R14: 0000000000496600 R15: 00007ffdff2909e8
| [  131.554014][  T833] Disabling lock debugging due to kernel taint
| [  131.554284][  T833] Oops: general protection fault, probably for non-canonical address 0xed6d696d6d6d6d6d: 0000 [#1] PREEMPT SMP KASAN NOPTI
| [  131.554690][  T833] KASAN: maybe wild-memory-access in range [0x6b6b6b6b6b6b6b68-0x6b6b6b6b6b6b6b6f]
| [  131.555167][  T833] Tainted: [B]=BAD_PAGE, [W]=WARN
[  131.555380][  T833] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 131.555675][ T833] RIP: 0010:neigh_flush_dev.isra.0 (./include/linux/list.h:988 ./include/linux/rculist.h:516 net/core/neighbour.c:384) 
[ 131.555845][ T833] 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
[  131.556396][  T833] RSP: 0018:ffffc90000b4f388 EFLAGS: 00010202
[  131.556644][  T833] RAX: 0d6d6d6d6d6d6d6d RBX: 6b6b6b6b6b6b6b6b RCX: ffffffffb08796f0
[  131.556842][  T833] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff8880053e5808
[  131.557037][  T833] RBP: 6b6b6b6b6b6b6b6b R08: 0000000000000000 R09: 0000000000000000
[  131.557233][  T833] R10: ffffffffb2d71f0f R11: ffffc90000b4ef99 R12: ffff8880053e593c
[  131.557434][  T833] R13: dffffc0000000000 R14: ffff888005eb9000 R15: ffff8880053e5800
[  131.557629][  T833] FS:  00007ff518016800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[  131.557950][  T833] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  131.558117][  T833] CR2: 00000000004e2aa0 CR3: 000000000284e004 CR4: 0000000000772ef0
[  131.558321][  T833] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  131.558600][  T833] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  131.558795][  T833] PKRU: 55555554
[  131.558897][  T833] Call Trace:
[  131.558997][  T833]  <TASK>
[ 131.559066][ T833] ? die_addr (arch/x86/kernel/dumpstack.c:421 arch/x86/kernel/dumpstack.c:460) 
[ 131.559177][ T833] ? exc_general_protection (arch/x86/kernel/traps.c:751 arch/x86/kernel/traps.c:693) 
[ 131.559310][ T833] ? asm_exc_general_protection (./arch/x86/include/asm/idtentry.h:617) 
[ 131.559443][ T833] ? neigh_flush_dev.isra.0 (./include/linux/list.h:986 ./include/linux/rculist.h:516 net/core/neighbour.c:384) 
[ 131.559578][ T833] ? neigh_flush_dev.isra.0 (./include/linux/list.h:988 ./include/linux/rculist.h:516 net/core/neighbour.c:384) 
[ 131.559708][ T833] ? neigh_flush_dev.isra.0 (./include/linux/list.h:986 ./include/linux/rculist.h:516 net/core/neighbour.c:384) 
[ 131.559838][ T833] ? lock_acquire (kernel/locking/lockdep.c:5798) 
[ 131.559970][ T833] __neigh_ifdown.isra.0 (net/core/neighbour.c:826 net/core/neighbour.c:426) 
[ 131.560105][ T833] ? blocking_notifier_call_chain (kernel/notifier.c:388 kernel/notifier.c:376) 
[ 131.560348][ T833] neigh_ifdown (net/core/neighbour.c:445) 
[ 131.560447][ T833] fib_inetaddr_event (net/ipv4/fib_frontend.c:1431 net/ipv4/fib_frontend.c:1455) 
[ 131.560580][ T833] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) 
[ 131.560720][ T833] blocking_notifier_call_chain (kernel/notifier.c:389 kernel/notifier.c:376) 
[ 131.561002][ T833] __inet_del_ifa (net/ipv4/devinet.c:488) 
[ 131.561136][ T833] inet_rtm_deladdr (net/ipv4/devinet.c:706) 
[ 131.561270][ T833] ? __pfx_inet_rtm_deladdr (net/ipv4/devinet.c:665) 
[ 131.561404][ T833] rtnetlink_rcv_msg (net/core/rtnetlink.c:6721) 
[ 131.561537][ T833] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6615) 
[ 131.561744][ T833] ? 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) 
[ 131.561876][ T833] ? mark_lock (kernel/locking/lockdep.c:4703 (discriminator 3)) 
[ 131.561978][ T833] ? __lock_acquire (kernel/locking/lockdep.c:5202) 
[ 131.562109][ T833] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 131.562315][ T833] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6615) 
[ 131.562450][ T833] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 131.562585][ T833] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 131.562717][ T833] ? 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) 
[ 131.562924][ T833] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 131.563058][ T833] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 131.563193][ T833] ? find_held_lock (kernel/locking/lockdep.c:5315) 
[ 131.563327][ T833] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 131.563459][ T833] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 131.563683][ T833] ? __might_fault (mm/memory.c:6700 mm/memory.c:6693) 
[ 131.563814][ T833] ? __import_iovec (lib/iov_iter.c:1433 lib/iov_iter.c:1449) 
[ 131.563948][ T833] ____sys_sendmsg (net/socket.c:729 net/socket.c:744 net/socket.c:2607) 
[ 131.564097][ T833] ? __pfx_____sys_sendmsg (net/socket.c:2553) 
[ 131.564229][ T833] ? __pfx_copy_msghdr_from_user (net/socket.c:2533) 
[ 131.564400][ T833] ___sys_sendmsg (net/socket.c:2663) 
[ 131.564530][ T833] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 131.564673][ T833] ? __pfx____sys_sendmsg (net/socket.c:2650) 
[ 131.564804][ T833] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860) 
[ 131.564936][ T833] ? __pfx_slab_free_after_rcu_debug (mm/slub.c:4609) 
[ 131.565105][ T833] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 131.565244][ T833] ? kasan_save_stack (mm/kasan/common.c:48) 
[ 131.565451][ T833] ? __kasan_record_aux_stack (mm/kasan/generic.c:541) 
[ 131.565589][ T833] ? __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) 
[ 131.565753][ T833] ? __x64_sys_close (fs/open.c:1568 fs/open.c:1550 fs/open.c:1550) 
[ 131.565883][ T833] ? do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 131.566093][ T833] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 131.566254][ T833] ? __lock_acquire (kernel/locking/lockdep.c:5202) 
[ 131.566389][ T833] ? find_held_lock (kernel/locking/lockdep.c:5315) 
[ 131.566520][ T833] ? __lock_release (kernel/locking/lockdep.c:5501) 
[ 131.566725][ T833] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1114 fs/file.c:1128) 
[ 131.566830][ T833] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2692) 
[ 131.566963][ T833] ? __pfx___sys_sendmsg (net/socket.c:2678) 
[ 131.567094][ T833] ? __virt_addr_valid (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:962 ./include/linux/mmzone.h:2053 arch/x86/mm/physaddr.c:65) 
[ 131.567307][ T833] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 131.567441][ T833] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  131.567605][  T833] RIP: 0033:0x7ff5182227b7
[ 131.567742][ T833] 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)
[  131.568289][  T833] RSP: 002b:00007ffdff290228 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  131.568490][  T833] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff5182227b7
[  131.568781][  T833] RDX: 0000000000000000 RSI: 00007ffdff290290 RDI: 0000000000000005
[  131.568977][  T833] RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000078
[  131.569178][  T833] R10: 00007ff5180e0ef8 R11: 0000000000000246 R12: 00007ffdff2909e0


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