======================================
| [  325.355606][ T3070] 1 lock held by ip/3070:
| [ 325.355761][ T3070] #0: ffff8880090a1a30 (&tb->tb6_lock){+.-.}-{3:3}, at: __ip6_del_rt (net/ipv6/route.c:3904) 
| [  325.356114][ T3070]
| [  325.356114][ T3070] stack backtrace:
[  325.356373][ T3070] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  325.356375][ T3070] Call Trace:
[  325.356377][ T3070]  <TASK>
[ 325.356380][ T3070] dump_stack_lvl (lib/dump_stack.c:123) 
[ 325.356389][ T3070] lockdep_rcu_suspicious (kernel/locking/lockdep.c:6848) 
[ 325.356401][ T3070] nexthop_for_each_fib6_nh (net/ipv4/nexthop.c:1511 (discriminator 11)) 
[ 325.356407][ T3070] ? __pfx_rt6_nh_flush_exceptions (net/ipv6/route.c:1778) 
[ 325.356411][ T3070] ? mark_held_locks (kernel/locking/lockdep.c:4323) 
[ 325.356419][ T3070] fib6_purge_rt (net/ipv6/ip6_fib.c:1023 net/ipv6/ip6_fib.c:1049) 
[ 325.356429][ T3070] ? fib6_repair_tree.part.0 (net/ipv6/ip6_fib.c:204 net/ipv6/ip6_fib.c:1935) 
[ 325.356433][ T3070] ? __pfx_fib6_purge_rt (net/ipv6/ip6_fib.c:1044) 
[ 325.356446][ T3070] fib6_del_route (net/ipv6/ip6_fib.c:2026) 
[ 325.356460][ T3070] ? __pfx_fib6_del_route (net/ipv6/ip6_fib.c:1947) 
[ 325.356466][ T3070] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 325.356471][ T3070] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) 
[ 325.356481][ T3070] fib6_del (net/ipv6/ip6_fib.c:2070) 
[ 325.356490][ T3070] __ip6_del_rt (./include/linux/spinlock.h:396 net/ipv6/route.c:3905) 
[ 325.356495][ T3070] ip6_route_del (net/ipv6/route.c:4115) 
[ 325.356504][ T3070] ? __pfx_ip6_route_del (net/ipv6/route.c:4059) 
[ 325.356507][ T3070] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 325.356522][ T3070] inet6_rtm_delroute (net/ipv6/route.c:5663) 
[ 325.356527][ T3070] ? __pfx_inet6_rtm_delroute (net/ipv6/route.c:5640) 
[ 325.356552][ T3070] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6952) 
[ 325.356560][ T3070] ? __pfx_inet6_rtm_delroute (net/ipv6/route.c:5640) 
[ 325.356564][ T3070] rtnetlink_rcv_msg (net/core/rtnetlink.c:6954) 
[ 325.356570][ T3070] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6857) 
[ 325.356574][ T3070] ? 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:230) 
[ 325.356577][ T3070] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 325.356587][ T3070] ? __lock_acquire (kernel/locking/lockdep.c:5228) 
[ 325.356595][ T3070] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 325.356601][ T3070] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6857) 
[ 325.356607][ T3070] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 325.356627][ T3070] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 325.356633][ T3070] ? 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) 
[ 325.356640][ T3070] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 325.356648][ T3070] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 325.356652][ T3070] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 325.356662][ T3070] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 325.356670][ T3070] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 325.356686][ T3070] ____sys_sendmsg (net/socket.c:712 net/socket.c:727 net/socket.c:2566) 
[ 325.356695][ T3070] ? __pfx_____sys_sendmsg (net/socket.c:2512) 
[ 325.356699][ T3070] ? __pfx_copy_msghdr_from_user (net/socket.c:2492) 
[ 325.356716][ T3070] ___sys_sendmsg (net/socket.c:2622) 
[ 325.356719][ T3070] ? 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:230) 
[ 325.356724][ T3070] ? __pfx____sys_sendmsg (net/socket.c:2609) 
[ 325.356734][ T3070] ? usage_skip (kernel/locking/lockdep.c:2316) 
[ 325.356745][ T3070] ? do_user_addr_fault (./include/linux/rcupdate.h:337 ./include/linux/rcupdate.h:849 ./include/linux/mm.h:740 arch/x86/mm/fault.c:1339) 
[ 325.356751][ T3070] ? do_user_addr_fault (./include/linux/rcupdate.h:337 ./include/linux/rcupdate.h:849 ./include/linux/mm.h:740 arch/x86/mm/fault.c:1339) 
[ 325.356761][ T3070] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 325.356767][ T3070] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 325.356776][ T3070] __sys_sendmsg (net/socket.c:2652) 
[ 325.356780][ T3070] ? __pfx___sys_sendmsg (net/socket.c:2637) 
[ 325.356793][ T3070] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 325.356804][ T3070] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 325.356813][ T3070] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  325.356819][ T3070] RIP: 0033:0x7f8de85109a7
[ 325.356824][ T3070] 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)
[  325.356827][ T3070] RSP: 002b:00007ffc35e45ac8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  325.356831][ T3070] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8de85109a7
[  325.356833][ T3070] RDX: 0000000000000000 RSI: 00007ffc35e45b30 RDI: 0000000000000005
[  325.356835][ T3070] RBP: 00007ffc35e48995 R08: 0000000000000010 R09: 0000000000000000
[  325.356837][ T3070] R10: 00007f8de855fac0 R11: 0000000000000246 R12: 00007ffc35e46e40
[  325.356839][ T3070] R13: 0000000067dd5d24 R14: 0000000000498600 R15: 0000000000000001
| [  325.372421][ T3070] 1 lock held by ip/3070:
| [ 325.372586][ T3070] #0: ffff8880090a1a30 (&tb->tb6_lock){+.-.}-{3:3}, at: __ip6_del_rt (net/ipv6/route.c:3904) 
| [  325.372936][ T3070]
| [  325.372936][ T3070] stack backtrace:
[  325.373199][ T3070] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  325.373201][ T3070] Call Trace:
[  325.373203][ T3070]  <TASK>
[ 325.373206][ T3070] dump_stack_lvl (lib/dump_stack.c:123) 
[ 325.373215][ T3070] lockdep_rcu_suspicious (kernel/locking/lockdep.c:6848) 
[ 325.373226][ T3070] nexthop_for_each_fib6_nh (net/ipv4/nexthop.c:1515 (discriminator 11)) 
[ 325.373231][ T3070] ? __pfx_rt6_nh_flush_exceptions (net/ipv6/route.c:1778) 
[ 325.373236][ T3070] ? mark_held_locks (kernel/locking/lockdep.c:4323) 
[ 325.373244][ T3070] fib6_purge_rt (net/ipv6/ip6_fib.c:1023 net/ipv6/ip6_fib.c:1049) 
[ 325.373253][ T3070] ? fib6_repair_tree.part.0 (net/ipv6/ip6_fib.c:204 net/ipv6/ip6_fib.c:1935) 
[ 325.373258][ T3070] ? __pfx_fib6_purge_rt (net/ipv6/ip6_fib.c:1044) 
[ 325.373271][ T3070] fib6_del_route (net/ipv6/ip6_fib.c:2026) 
[ 325.373284][ T3070] ? __pfx_fib6_del_route (net/ipv6/ip6_fib.c:1947) 
[ 325.373290][ T3070] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 325.373296][ T3070] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) 
[ 325.373306][ T3070] fib6_del (net/ipv6/ip6_fib.c:2070) 
[ 325.373314][ T3070] __ip6_del_rt (./include/linux/spinlock.h:396 net/ipv6/route.c:3905) 
[ 325.373319][ T3070] ip6_route_del (net/ipv6/route.c:4115) 
[ 325.373327][ T3070] ? __pfx_ip6_route_del (net/ipv6/route.c:4059) 
[ 325.373331][ T3070] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 325.373345][ T3070] inet6_rtm_delroute (net/ipv6/route.c:5663) 
[ 325.373350][ T3070] ? __pfx_inet6_rtm_delroute (net/ipv6/route.c:5640) 
[ 325.373375][ T3070] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6952) 
[ 325.373383][ T3070] ? __pfx_inet6_rtm_delroute (net/ipv6/route.c:5640) 
[ 325.373386][ T3070] rtnetlink_rcv_msg (net/core/rtnetlink.c:6954) 
[ 325.373392][ T3070] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6857) 
[ 325.373396][ T3070] ? 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:230) 
[ 325.373399][ T3070] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 325.373409][ T3070] ? __lock_acquire (kernel/locking/lockdep.c:5228) 
[ 325.373417][ T3070] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 325.373422][ T3070] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6857) 
[ 325.373429][ T3070] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 325.373449][ T3070] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 325.373454][ T3070] ? 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) 
[ 325.373461][ T3070] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 325.373469][ T3070] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 325.373473][ T3070] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 325.373483][ T3070] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 325.373492][ T3070] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 325.373507][ T3070] ____sys_sendmsg (net/socket.c:712 net/socket.c:727 net/socket.c:2566) 
[ 325.373516][ T3070] ? __pfx_____sys_sendmsg (net/socket.c:2512) 
[ 325.373519][ T3070] ? __pfx_copy_msghdr_from_user (net/socket.c:2492) 
[ 325.373537][ T3070] ___sys_sendmsg (net/socket.c:2622) 
[ 325.373539][ T3070] ? 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:230) 
[ 325.373545][ T3070] ? __pfx____sys_sendmsg (net/socket.c:2609) 
[ 325.373554][ T3070] ? usage_skip (kernel/locking/lockdep.c:2316) 
[ 325.373565][ T3070] ? do_user_addr_fault (./include/linux/rcupdate.h:337 ./include/linux/rcupdate.h:849 ./include/linux/mm.h:740 arch/x86/mm/fault.c:1339) 
[ 325.373571][ T3070] ? do_user_addr_fault (./include/linux/rcupdate.h:337 ./include/linux/rcupdate.h:849 ./include/linux/mm.h:740 arch/x86/mm/fault.c:1339) 
[ 325.373581][ T3070] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 325.373587][ T3070] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 325.373595][ T3070] __sys_sendmsg (net/socket.c:2652) 
[ 325.373599][ T3070] ? __pfx___sys_sendmsg (net/socket.c:2637) 
[ 325.373612][ T3070] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 325.373624][ T3070] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 325.373632][ T3070] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  325.373637][ T3070] RIP: 0033:0x7f8de85109a7
[ 325.373643][ T3070] 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)
[  325.373646][ T3070] RSP: 002b:00007ffc35e45ac8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  325.373649][ T3070] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8de85109a7
[  325.373651][ T3070] RDX: 0000000000000000 RSI: 00007ffc35e45b30 RDI: 0000000000000005
[  325.373653][ T3070] RBP: 00007ffc35e48995 R08: 0000000000000010 R09: 0000000000000000
[  325.373654][ T3070] R10: 00007f8de855fac0 R11: 0000000000000246 R12: 00007ffc35e46e40
[  325.373656][ T3070] R13: 0000000067dd5d24 R14: 0000000000498600 R15: 0000000000000001
| [  325.389276][ T3070] 1 lock held by ip/3070:
| [ 325.389438][ T3070] #0: ffff8880090a1a30 (&tb->tb6_lock){+.-.}-{3:3}, at: __ip6_del_rt (net/ipv6/route.c:3904) 
| [  325.389883][ T3070]
| [  325.389883][ T3070] stack backtrace:
[  325.390123][ T3070] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  325.390125][ T3070] Call Trace:
[  325.390126][ T3070]  <TASK>
[ 325.390129][ T3070] dump_stack_lvl (lib/dump_stack.c:123) 
[ 325.390137][ T3070] lockdep_rcu_suspicious (kernel/locking/lockdep.c:6848) 
[ 325.390147][ T3070] nexthop_is_blackhole (./include/net/nexthop.h:375 (discriminator 11)) 
[ 325.390151][ T3070] rt6_fill_node.constprop.0 (net/ipv6/route.c:5924) 
[ 325.390157][ T3070] ? __kmalloc_node_track_caller_noprof (mm/slub.c:4315) 
[ 325.390165][ T3070] ? __create_object (mm/kmemleak.c:766) 
[ 325.390179][ T3070] ? __pfx_rt6_fill_node.constprop.0 (net/ipv6/route.c:5778) 
[ 325.390183][ T3070] ? __build_skb_around (./arch/x86/include/asm/atomic.h:28 ./include/linux/atomic/atomic-arch-fallback.h:503 ./include/linux/atomic/atomic-instrumented.h:68 net/core/skbuff.c:381 net/core/skbuff.c:439) 
[ 325.390190][ T3070] ? __alloc_skb (net/core/skbuff.c:685) 
[ 325.390195][ T3070] ? __pfx___alloc_skb (net/core/skbuff.c:642) 
[ 325.390199][ T3070] ? rt6_nlmsg_size (net/ipv6/route.c:5746) 
[ 325.390203][ T3070] ? __pfx_rt6_nlmsg_size (net/ipv6/route.c:5706) 
[ 325.390213][ T3070] ? inet6_rt_notify (net/ipv6/route.c:6372) 
[ 325.390215][ T3070] inet6_rt_notify (net/ipv6/route.c:6372) 
[ 325.390226][ T3070] fib6_del_route (net/ipv6/ip6_fib.c:2034) 
[ 325.390241][ T3070] ? __pfx_fib6_del_route (net/ipv6/ip6_fib.c:1947) 
[ 325.390250][ T3070] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) 
[ 325.390260][ T3070] fib6_del (net/ipv6/ip6_fib.c:2070) 
[ 325.390268][ T3070] __ip6_del_rt (./include/linux/spinlock.h:396 net/ipv6/route.c:3905) 
[ 325.390274][ T3070] ip6_route_del (net/ipv6/route.c:4115) 
[ 325.390281][ T3070] ? __pfx_ip6_route_del (net/ipv6/route.c:4059) 
[ 325.390284][ T3070] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 325.390299][ T3070] inet6_rtm_delroute (net/ipv6/route.c:5663) 
[ 325.390304][ T3070] ? __pfx_inet6_rtm_delroute (net/ipv6/route.c:5640) 
[ 325.390330][ T3070] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6952) 
[ 325.390337][ T3070] ? __pfx_inet6_rtm_delroute (net/ipv6/route.c:5640) 
[ 325.390340][ T3070] rtnetlink_rcv_msg (net/core/rtnetlink.c:6954) 
[ 325.390347][ T3070] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6857) 
[ 325.390350][ T3070] ? 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:230) 
[ 325.390353][ T3070] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 325.390363][ T3070] ? __lock_acquire (kernel/locking/lockdep.c:5228) 
[ 325.390371][ T3070] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 325.390376][ T3070] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6857) 
[ 325.390383][ T3070] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 325.390403][ T3070] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 325.390408][ T3070] ? 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) 
[ 325.390416][ T3070] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 325.390424][ T3070] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 325.390428][ T3070] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 325.390438][ T3070] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 325.390447][ T3070] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 325.390462][ T3070] ____sys_sendmsg (net/socket.c:712 net/socket.c:727 net/socket.c:2566) 
[ 325.390471][ T3070] ? __pfx_____sys_sendmsg (net/socket.c:2512) 
[ 325.390475][ T3070] ? __pfx_copy_msghdr_from_user (net/socket.c:2492) 
[ 325.390492][ T3070] ___sys_sendmsg (net/socket.c:2622) 
[ 325.390494][ T3070] ? 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:230) 
[ 325.390500][ T3070] ? __pfx____sys_sendmsg (net/socket.c:2609) 
[ 325.390509][ T3070] ? usage_skip (kernel/locking/lockdep.c:2316) 
[ 325.390520][ T3070] ? do_user_addr_fault (./include/linux/rcupdate.h:337 ./include/linux/rcupdate.h:849 ./include/linux/mm.h:740 arch/x86/mm/fault.c:1339) 
[ 325.390525][ T3070] ? do_user_addr_fault (./include/linux/rcupdate.h:337 ./include/linux/rcupdate.h:849 ./include/linux/mm.h:740 arch/x86/mm/fault.c:1339) 
[ 325.390536][ T3070] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 325.390542][ T3070] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 325.390551][ T3070] __sys_sendmsg (net/socket.c:2652) 
[ 325.390555][ T3070] ? __pfx___sys_sendmsg (net/socket.c:2637) 
[ 325.390567][ T3070] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 325.390579][ T3070] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 325.390586][ T3070] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  325.390591][ T3070] RIP: 0033:0x7f8de85109a7
[ 325.390595][ T3070] 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)
[  325.390599][ T3070] RSP: 002b:00007ffc35e45ac8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  325.390602][ T3070] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8de85109a7
[  325.390604][ T3070] RDX: 0000000000000000 RSI: 00007ffc35e45b30 RDI: 0000000000000005
[  325.390606][ T3070] RBP: 00007ffc35e48995 R08: 0000000000000010 R09: 0000000000000000
[  325.390607][ T3070] R10: 00007f8de855fac0 R11: 0000000000000246 R12: 00007ffc35e46e40
[  325.390609][ T3070] R13: 0000000067dd5d24 R14: 0000000000498600 R15: 0000000000000001
| [  325.408722][ T3070] 1 lock held by ip/3070:
| [ 325.408876][ T3070] #0: ffff8880090a1a30 (&tb->tb6_lock){+.-.}-{3:3}, at: __ip6_del_rt (net/ipv6/route.c:3904) 
| [  325.409329][ T3070]
| [  325.409329][ T3070] stack backtrace:
[  325.409575][ T3070] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  325.409578][ T3070] Call Trace:
[  325.409579][ T3070]  <TASK>
[ 325.409582][ T3070] dump_stack_lvl (lib/dump_stack.c:123) 
[ 325.409590][ T3070] lockdep_rcu_suspicious (kernel/locking/lockdep.c:6848) 
[ 325.409600][ T3070] rt6_fill_node_nexthop (./include/net/nexthop.h:312 ./include/net/nexthop.h:307 net/ipv6/route.c:5752) 
[ 325.409607][ T3070] rt6_fill_node.constprop.0 (net/ipv6/route.c:5927) 
[ 325.409612][ T3070] ? __kmalloc_node_track_caller_noprof (mm/slub.c:4315) 
[ 325.409619][ T3070] ? __create_object (mm/kmemleak.c:766) 
[ 325.409632][ T3070] ? __pfx_rt6_fill_node.constprop.0 (net/ipv6/route.c:5778) 
[ 325.409636][ T3070] ? __build_skb_around (./arch/x86/include/asm/atomic.h:28 ./include/linux/atomic/atomic-arch-fallback.h:503 ./include/linux/atomic/atomic-instrumented.h:68 net/core/skbuff.c:381 net/core/skbuff.c:439) 
[ 325.409642][ T3070] ? __alloc_skb (net/core/skbuff.c:685) 
[ 325.409647][ T3070] ? __pfx___alloc_skb (net/core/skbuff.c:642) 
[ 325.409650][ T3070] ? rt6_nlmsg_size (net/ipv6/route.c:5746) 
[ 325.409655][ T3070] ? __pfx_rt6_nlmsg_size (net/ipv6/route.c:5706) 
[ 325.409664][ T3070] ? inet6_rt_notify (net/ipv6/route.c:6372) 
[ 325.409667][ T3070] inet6_rt_notify (net/ipv6/route.c:6372) 
[ 325.409678][ T3070] fib6_del_route (net/ipv6/ip6_fib.c:2034) 
[ 325.409692][ T3070] ? __pfx_fib6_del_route (net/ipv6/ip6_fib.c:1947) 
[ 325.409702][ T3070] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) 
[ 325.409712][ T3070] fib6_del (net/ipv6/ip6_fib.c:2070) 
[ 325.409720][ T3070] __ip6_del_rt (./include/linux/spinlock.h:396 net/ipv6/route.c:3905) 
[ 325.409725][ T3070] ip6_route_del (net/ipv6/route.c:4115) 
[ 325.409732][ T3070] ? __pfx_ip6_route_del (net/ipv6/route.c:4059) 
[ 325.409736][ T3070] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 325.409751][ T3070] inet6_rtm_delroute (net/ipv6/route.c:5663) 
[ 325.409756][ T3070] ? __pfx_inet6_rtm_delroute (net/ipv6/route.c:5640) 
[ 325.409782][ T3070] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6952) 
[ 325.409788][ T3070] ? __pfx_inet6_rtm_delroute (net/ipv6/route.c:5640) 
[ 325.409792][ T3070] rtnetlink_rcv_msg (net/core/rtnetlink.c:6954) 
[ 325.409798][ T3070] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6857) 
[ 325.409801][ T3070] ? 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:230) 
[ 325.409804][ T3070] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 325.409815][ T3070] ? __lock_acquire (kernel/locking/lockdep.c:5228) 
[ 325.409822][ T3070] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 325.409827][ T3070] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6857) 
[ 325.409833][ T3070] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 325.409853][ T3070] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 325.409859][ T3070] ? 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) 
[ 325.409865][ T3070] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 325.409873][ T3070] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 325.409878][ T3070] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 325.409888][ T3070] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 325.409896][ T3070] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 325.409912][ T3070] ____sys_sendmsg (net/socket.c:712 net/socket.c:727 net/socket.c:2566) 
[ 325.409920][ T3070] ? __pfx_____sys_sendmsg (net/socket.c:2512) 
[ 325.409924][ T3070] ? __pfx_copy_msghdr_from_user (net/socket.c:2492) 
[ 325.409941][ T3070] ___sys_sendmsg (net/socket.c:2622) 
[ 325.409943][ T3070] ? 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:230) 
[ 325.409949][ T3070] ? __pfx____sys_sendmsg (net/socket.c:2609) 
[ 325.409958][ T3070] ? usage_skip (kernel/locking/lockdep.c:2316) 
[ 325.409970][ T3070] ? do_user_addr_fault (./include/linux/rcupdate.h:337 ./include/linux/rcupdate.h:849 ./include/linux/mm.h:740 arch/x86/mm/fault.c:1339) 
[ 325.409974][ T3070] ? do_user_addr_fault (./include/linux/rcupdate.h:337 ./include/linux/rcupdate.h:849 ./include/linux/mm.h:740 arch/x86/mm/fault.c:1339) 
[ 325.409985][ T3070] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 325.409991][ T3070] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 325.409999][ T3070] __sys_sendmsg (net/socket.c:2652) 
[ 325.410003][ T3070] ? __pfx___sys_sendmsg (net/socket.c:2637) 
[ 325.410016][ T3070] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 325.410028][ T3070] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 325.410035][ T3070] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  325.410039][ T3070] RIP: 0033:0x7f8de85109a7
[ 325.410044][ T3070] 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)
[  325.410047][ T3070] RSP: 002b:00007ffc35e45ac8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  325.410051][ T3070] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8de85109a7
[  325.410053][ T3070] RDX: 0000000000000000 RSI: 00007ffc35e45b30 RDI: 0000000000000005
[  325.410054][ T3070] RBP: 00007ffc35e48995 R08: 0000000000000010 R09: 0000000000000000
[  325.410056][ T3070] R10: 00007f8de855fac0 R11: 0000000000000246 R12: 00007ffc35e46e40
[  325.410058][ T3070] R13: 0000000067dd5d24 R14: 0000000000498600 R15: 0000000000000001
| [  325.428312][ T3070] 1 lock held by ip/3070:
| [ 325.428561][ T3070] #0: ffff8880090a1a30 (&tb->tb6_lock){+.-.}-{3:3}, at: __ip6_del_rt (net/ipv6/route.c:3904) 
| [  325.428911][ T3070]
| [  325.428911][ T3070] stack backtrace:
[  325.429157][ T3070] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  325.429160][ T3070] Call Trace:
[  325.429162][ T3070]  <TASK>
[ 325.429165][ T3070] dump_stack_lvl (lib/dump_stack.c:123) 
[ 325.429172][ T3070] lockdep_rcu_suspicious (kernel/locking/lockdep.c:6848) 
[ 325.429182][ T3070] nexthop_mpath_fill_node.constprop.0 (./include/net/nexthop.h:351) 
[ 325.429186][ T3070] ? nla_put (lib/nlattr.c:1100) 
[ 325.429196][ T3070] rt6_fill_node_nexthop (net/ipv6/route.c:5759) 
[ 325.429203][ T3070] rt6_fill_node.constprop.0 (net/ipv6/route.c:5927) 
[ 325.429208][ T3070] ? __kmalloc_node_track_caller_noprof (mm/slub.c:4315) 
[ 325.429215][ T3070] ? __create_object (mm/kmemleak.c:766) 
[ 325.429227][ T3070] ? __pfx_rt6_fill_node.constprop.0 (net/ipv6/route.c:5778) 
[ 325.429232][ T3070] ? __build_skb_around (./arch/x86/include/asm/atomic.h:28 ./include/linux/atomic/atomic-arch-fallback.h:503 ./include/linux/atomic/atomic-instrumented.h:68 net/core/skbuff.c:381 net/core/skbuff.c:439) 
[ 325.429238][ T3070] ? __alloc_skb (net/core/skbuff.c:685) 
[ 325.429243][ T3070] ? __pfx___alloc_skb (net/core/skbuff.c:642) 
[ 325.429247][ T3070] ? rt6_nlmsg_size (net/ipv6/route.c:5746) 
[ 325.429251][ T3070] ? __pfx_rt6_nlmsg_size (net/ipv6/route.c:5706) 
[ 325.429260][ T3070] ? inet6_rt_notify (net/ipv6/route.c:6372) 
[ 325.429263][ T3070] inet6_rt_notify (net/ipv6/route.c:6372) 
[ 325.429274][ T3070] fib6_del_route (net/ipv6/ip6_fib.c:2034) 
[ 325.429288][ T3070] ? __pfx_fib6_del_route (net/ipv6/ip6_fib.c:1947) 
[ 325.429297][ T3070] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) 
[ 325.429306][ T3070] fib6_del (net/ipv6/ip6_fib.c:2070) 
[ 325.429314][ T3070] __ip6_del_rt (./include/linux/spinlock.h:396 net/ipv6/route.c:3905) 
[ 325.429320][ T3070] ip6_route_del (net/ipv6/route.c:4115) 
[ 325.429327][ T3070] ? __pfx_ip6_route_del (net/ipv6/route.c:4059) 
[ 325.429330][ T3070] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 325.429345][ T3070] inet6_rtm_delroute (net/ipv6/route.c:5663) 
[ 325.429350][ T3070] ? __pfx_inet6_rtm_delroute (net/ipv6/route.c:5640) 
[ 325.429376][ T3070] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6952) 
[ 325.429382][ T3070] ? __pfx_inet6_rtm_delroute (net/ipv6/route.c:5640) 
[ 325.429386][ T3070] rtnetlink_rcv_msg (net/core/rtnetlink.c:6954) 
[ 325.429393][ T3070] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6857) 
[ 325.429396][ T3070] ? 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:230) 
[ 325.429399][ T3070] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 325.429409][ T3070] ? __lock_acquire (kernel/locking/lockdep.c:5228) 
[ 325.429417][ T3070] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 325.429422][ T3070] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6857) 
[ 325.429428][ T3070] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 325.429448][ T3070] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 325.429454][ T3070] ? 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) 
[ 325.429461][ T3070] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 325.429468][ T3070] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 325.429473][ T3070] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 325.429483][ T3070] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 325.429491][ T3070] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 325.429506][ T3070] ____sys_sendmsg (net/socket.c:712 net/socket.c:727 net/socket.c:2566) 
[ 325.429515][ T3070] ? __pfx_____sys_sendmsg (net/socket.c:2512) 
[ 325.429518][ T3070] ? __pfx_copy_msghdr_from_user (net/socket.c:2492) 
[ 325.429536][ T3070] ___sys_sendmsg (net/socket.c:2622) 
[ 325.429538][ T3070] ? 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:230) 
[ 325.429544][ T3070] ? __pfx____sys_sendmsg (net/socket.c:2609) 
[ 325.429553][ T3070] ? usage_skip (kernel/locking/lockdep.c:2316) 
[ 325.429565][ T3070] ? do_user_addr_fault (./include/linux/rcupdate.h:337 ./include/linux/rcupdate.h:849 ./include/linux/mm.h:740 arch/x86/mm/fault.c:1339) 
[ 325.429569][ T3070] ? do_user_addr_fault (./include/linux/rcupdate.h:337 ./include/linux/rcupdate.h:849 ./include/linux/mm.h:740 arch/x86/mm/fault.c:1339) 
[ 325.429579][ T3070] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 325.429586][ T3070] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 325.429594][ T3070] __sys_sendmsg (net/socket.c:2652) 
[ 325.429598][ T3070] ? __pfx___sys_sendmsg (net/socket.c:2637) 
[ 325.429611][ T3070] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 325.429622][ T3070] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 325.429630][ T3070] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  325.429635][ T3070] RIP: 0033:0x7f8de85109a7
[ 325.429639][ T3070] 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)
[  325.429642][ T3070] RSP: 002b:00007ffc35e45ac8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  325.429645][ T3070] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8de85109a7
[  325.429647][ T3070] RDX: 0000000000000000 RSI: 00007ffc35e45b30 RDI: 0000000000000005
[  325.429649][ T3070] RBP: 00007ffc35e48995 R08: 0000000000000010 R09: 0000000000000000
[  325.429651][ T3070] R10: 00007f8de855fac0 R11: 0000000000000246 R12: 00007ffc35e46e40
[  325.429653][ T3070] R13: 0000000067dd5d24 R14: 0000000000498600 R15: 0000000000000001
| [  325.448223][ T3070] 1 lock held by ip/3070:
| [ 325.448379][ T3070] #0: ffff8880090a1a30 (&tb->tb6_lock){+.-.}-{3:3}, at: __ip6_del_rt (net/ipv6/route.c:3904) 
| [  325.448825][ T3070]
| [  325.448825][ T3070] stack backtrace:
[  325.449072][ T3070] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  325.449074][ T3070] Call Trace:
[  325.449076][ T3070]  <TASK>
[ 325.449078][ T3070] dump_stack_lvl (lib/dump_stack.c:123) 
[ 325.449085][ T3070] lockdep_rcu_suspicious (kernel/locking/lockdep.c:6848) 
[ 325.449094][ T3070] nexthop_mpath_fill_node.constprop.0 (./include/net/nexthop.h:356) 
[ 325.449104][ T3070] rt6_fill_node_nexthop (net/ipv6/route.c:5759) 
[ 325.449112][ T3070] rt6_fill_node.constprop.0 (net/ipv6/route.c:5927) 
[ 325.449117][ T3070] ? __kmalloc_node_track_caller_noprof (mm/slub.c:4315) 
[ 325.449123][ T3070] ? __create_object (mm/kmemleak.c:766) 
[ 325.449135][ T3070] ? __pfx_rt6_fill_node.constprop.0 (net/ipv6/route.c:5778) 
[ 325.449139][ T3070] ? __build_skb_around (./arch/x86/include/asm/atomic.h:28 ./include/linux/atomic/atomic-arch-fallback.h:503 ./include/linux/atomic/atomic-instrumented.h:68 net/core/skbuff.c:381 net/core/skbuff.c:439) 
[ 325.449145][ T3070] ? __alloc_skb (net/core/skbuff.c:685) 
[ 325.449150][ T3070] ? __pfx___alloc_skb (net/core/skbuff.c:642) 
[ 325.449154][ T3070] ? rt6_nlmsg_size (net/ipv6/route.c:5746) 
[ 325.449160][ T3070] ? __pfx_rt6_nlmsg_size (net/ipv6/route.c:5706) 
[ 325.449169][ T3070] ? inet6_rt_notify (net/ipv6/route.c:6372) 
[ 325.449171][ T3070] inet6_rt_notify (net/ipv6/route.c:6372) 
[ 325.449182][ T3070] fib6_del_route (net/ipv6/ip6_fib.c:2034) 
[ 325.449196][ T3070] ? __pfx_fib6_del_route (net/ipv6/ip6_fib.c:1947) 
[ 325.449205][ T3070] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) 
[ 325.449215][ T3070] fib6_del (net/ipv6/ip6_fib.c:2070) 
[ 325.449223][ T3070] __ip6_del_rt (./include/linux/spinlock.h:396 net/ipv6/route.c:3905) 
[ 325.449228][ T3070] ip6_route_del (net/ipv6/route.c:4115) 
[ 325.449235][ T3070] ? __pfx_ip6_route_del (net/ipv6/route.c:4059) 
[ 325.449239][ T3070] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 325.449254][ T3070] inet6_rtm_delroute (net/ipv6/route.c:5663) 
[ 325.449258][ T3070] ? __pfx_inet6_rtm_delroute (net/ipv6/route.c:5640) 
[ 325.449284][ T3070] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6952) 
[ 325.449290][ T3070] ? __pfx_inet6_rtm_delroute (net/ipv6/route.c:5640) 
[ 325.449293][ T3070] rtnetlink_rcv_msg (net/core/rtnetlink.c:6954) 
[ 325.449300][ T3070] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6857) 
[ 325.449303][ T3070] ? 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:230) 
[ 325.449306][ T3070] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 325.449316][ T3070] ? __lock_acquire (kernel/locking/lockdep.c:5228) 
[ 325.449324][ T3070] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 325.449328][ T3070] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6857) 
[ 325.449335][ T3070] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 325.449355][ T3070] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 325.449361][ T3070] ? 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) 
[ 325.449368][ T3070] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 325.449376][ T3070] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 325.449381][ T3070] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 325.449391][ T3070] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 325.449399][ T3070] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 325.449415][ T3070] ____sys_sendmsg (net/socket.c:712 net/socket.c:727 net/socket.c:2566) 
[ 325.449422][ T3070] ? __pfx_____sys_sendmsg (net/socket.c:2512) 
[ 325.449426][ T3070] ? __pfx_copy_msghdr_from_user (net/socket.c:2492) 
[ 325.449443][ T3070] ___sys_sendmsg (net/socket.c:2622) 
[ 325.449446][ T3070] ? 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:230) 
[ 325.449452][ T3070] ? __pfx____sys_sendmsg (net/socket.c:2609) 
[ 325.449461][ T3070] ? usage_skip (kernel/locking/lockdep.c:2316) 
[ 325.449472][ T3070] ? do_user_addr_fault (./include/linux/rcupdate.h:337 ./include/linux/rcupdate.h:849 ./include/linux/mm.h:740 arch/x86/mm/fault.c:1339) 
[ 325.449478][ T3070] ? do_user_addr_fault (./include/linux/rcupdate.h:337 ./include/linux/rcupdate.h:849 ./include/linux/mm.h:740 arch/x86/mm/fault.c:1339) 
[ 325.449488][ T3070] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 325.449494][ T3070] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 325.449503][ T3070] __sys_sendmsg (net/socket.c:2652) 
[ 325.449507][ T3070] ? __pfx___sys_sendmsg (net/socket.c:2637) 
[ 325.449520][ T3070] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[ 325.449531][ T3070] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 325.449539][ T3070] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  325.449543][ T3070] RIP: 0033:0x7f8de85109a7
[ 325.449547][ T3070] 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)
[  325.449549][ T3070] RSP: 002b:00007ffc35e45ac8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  325.449553][ T3070] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8de85109a7
[  325.449555][ T3070] RDX: 0000000000000000 RSI: 00007ffc35e45b30 RDI: 0000000000000005
[  325.449557][ T3070] RBP: 00007ffc35e48995 R08: 0000000000000010 R09: 0000000000000000
[  325.449558][ T3070] R10: 00007f8de855fac0 R11: 0000000000000246 R12: 00007ffc35e46e40


Finger prints:
lockdep_rcu_suspicious:nexthop_is_blackhole:inet6_rt_notify:fib6_del_route:fib6_del
lockdep_rcu_suspicious:nexthop_for_each_fib6_nh:fib6_purge_rt:fib6_del_route:fib6_del
lockdep_rcu_suspicious:rt6_fill_node_nexthop:inet6_rt_notify:fib6_del_route:fib6_del