======================================
| [ 4659.918562][T15182] 1 lock held by ip/15182:
| [4659.918732][T15182] #0: ffff8880165c3230 (&tb->tb6_lock){+.-.}-{3:3}, at: __ip6_del_rt (net/ipv6/route.c:3904) 
| [ 4659.919052][T15182]
| [ 4659.919052][T15182] stack backtrace:
[ 4659.919274][T15182] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 4659.919277][T15182] Call Trace:
[ 4659.919279][T15182]  <TASK>
[4659.919282][T15182] dump_stack_lvl (lib/dump_stack.c:123) 
[4659.919292][T15182] lockdep_rcu_suspicious (kernel/locking/lockdep.c:6848) 
[4659.919304][T15182] nexthop_for_each_fib6_nh (net/ipv4/nexthop.c:1521 (discriminator 11)) 
[4659.919311][T15182] ? __pfx_rt6_nh_flush_exceptions (net/ipv6/route.c:1778) 
[4659.919321][T15182] fib6_purge_rt (net/ipv6/ip6_fib.c:1023 net/ipv6/ip6_fib.c:1049) 
[4659.919331][T15182] ? fib6_repair_tree.part.0 (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:749 ./include/linux/atomic/atomic-instrumented.h:253 ./include/linux/refcount.h:184 ./include/linux/refcount.h:241 ./include/linux/refcount.h:258 ./include/net/ip6_fib.h:331 net/ipv6/ip6_fib.c:1881) 
[4659.919335][T15182] ? __pfx_fib6_purge_rt (net/ipv6/ip6_fib.c:1044) 
[4659.919348][T15182] fib6_del_route (net/ipv6/ip6_fib.c:2026) 
[4659.919363][T15182] ? __pfx_fib6_del_route (net/ipv6/ip6_fib.c:1947) 
[4659.919368][T15182] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[4659.919375][T15182] ? 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) 
[4659.919385][T15182] fib6_del (net/ipv6/ip6_fib.c:2070) 
[4659.919393][T15182] __ip6_del_rt (./include/linux/spinlock.h:396 net/ipv6/route.c:3905) 
[4659.919399][T15182] ip6_route_del (net/ipv6/route.c:4115) 
[4659.919407][T15182] ? __pfx_ip6_route_del (net/ipv6/route.c:4059) 
[4659.919418][T15182] ? inet6_rtm_delroute (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/ipv6/route.c:5651) 
[4659.919426][T15182] inet6_rtm_delroute (net/ipv6/route.c:5663) 
[4659.919430][T15182] ? __pfx_inet6_rtm_delroute (net/ipv6/route.c:5640) 
[4659.919458][T15182] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6952) 
[4659.919468][T15182] ? __pfx_inet6_rtm_delroute (net/ipv6/route.c:5640) 
[4659.919472][T15182] rtnetlink_rcv_msg (net/core/rtnetlink.c:6954) 
[4659.919479][T15182] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6857) 
[4659.919483][T15182] ? 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) 
[4659.919488][T15182] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[4659.919497][T15182] ? __lock_acquire (kernel/locking/lockdep.c:5228) 
[4659.919505][T15182] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[4659.919512][T15182] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6857) 
[4659.919519][T15182] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[4659.919541][T15182] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[4659.919547][T15182] ? 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) 
[4659.919554][T15182] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[4659.919563][T15182] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[4659.919568][T15182] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[4659.919578][T15182] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[4659.919587][T15182] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[4659.919604][T15182] ____sys_sendmsg (net/socket.c:712 net/socket.c:727 net/socket.c:2566) 
[4659.919611][T15182] ? __pfx_____sys_sendmsg (net/socket.c:2512) 
[4659.919615][T15182] ? __pfx_copy_msghdr_from_user (net/socket.c:2492) 
[4659.919634][T15182] ___sys_sendmsg (net/socket.c:2622) 
[4659.919637][T15182] ? 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) 
[4659.919643][T15182] ? __pfx____sys_sendmsg (net/socket.c:2609) 
[4659.919654][T15182] ? hlock_class (kernel/locking/lockdep.c:225) 
[4659.919665][T15182] ? 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) 
[4659.919672][T15182] ? 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) 
[4659.919683][T15182] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[4659.919689][T15182] ? __lock_release (kernel/locking/lockdep.c:5527) 
[4659.919697][T15182] __sys_sendmsg (net/socket.c:2652) 
[4659.919701][T15182] ? __pfx___sys_sendmsg (net/socket.c:2637) 
[4659.919714][T15182] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[4659.919726][T15182] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[4659.919733][T15182] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 4659.919738][T15182] RIP: 0033:0x7fa03e04f9a7
[ 4659.919742][T15182] 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)
[ 4659.919746][T15182] RSP: 002b:00007ffe8ff24808 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 4659.919749][T15182] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa03e04f9a7
[ 4659.919751][T15182] RDX: 0000000000000000 RSI: 00007ffe8ff24870 RDI: 0000000000000005
[ 4659.919753][T15182] RBP: 00007ffe8ff26db0 R08: 0000000000000004 R09: 0000000000000000
[ 4659.919755][T15182] R10: 00007fa03df08708 R11: 0000000000000246 R12: 00007ffe8ff25b80
[ 4659.919756][T15182] R13: 0000000067dd4100 R14: 0000000000498600 R15: 0000000000000001
| [ 4659.933768][T15182] 1 lock held by ip/15182:
| [4659.933947][T15182] #0: ffff8880165c3230 (&tb->tb6_lock){+.-.}-{3:3}, at: __ip6_del_rt (net/ipv6/route.c:3904) 
| [ 4659.934281][T15182]
| [ 4659.934281][T15182] stack backtrace:
[ 4659.934500][T15182] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 4659.934503][T15182] Call Trace:
[ 4659.934505][T15182]  <TASK>
[4659.934508][T15182] dump_stack_lvl (lib/dump_stack.c:123) 
[4659.934518][T15182] lockdep_rcu_suspicious (kernel/locking/lockdep.c:6848) 
[4659.934531][T15182] nexthop_is_blackhole (./include/net/nexthop.h:382 (discriminator 11)) 
[4659.934536][T15182] rt6_fill_node.constprop.0 (net/ipv6/route.c:5924) 
[4659.934542][T15182] ? __kmalloc_node_track_caller_noprof (mm/slub.c:4315) 
[4659.934548][T15182] ? __create_object (mm/kmemleak.c:766) 
[4659.934564][T15182] ? __pfx_rt6_fill_node.constprop.0 (net/ipv6/route.c:5778) 
[4659.934568][T15182] ? __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) 
[4659.934577][T15182] ? __alloc_skb (net/core/skbuff.c:685) 
[4659.934581][T15182] ? __pfx___alloc_skb (net/core/skbuff.c:642) 
[4659.934584][T15182] ? rt6_nlmsg_size (net/ipv6/route.c:5746) 
[4659.934589][T15182] ? __pfx_rt6_nlmsg_size (net/ipv6/route.c:5706) 
[4659.934598][T15182] ? inet6_rt_notify (net/ipv6/route.c:6372) 
[4659.934602][T15182] inet6_rt_notify (net/ipv6/route.c:6372) 
[4659.934613][T15182] fib6_del_route (net/ipv6/ip6_fib.c:2034) 
[4659.934628][T15182] ? __pfx_fib6_del_route (net/ipv6/ip6_fib.c:1947) 
[4659.934637][T15182] ? 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) 
[4659.934648][T15182] fib6_del (net/ipv6/ip6_fib.c:2070) 
[4659.934657][T15182] __ip6_del_rt (./include/linux/spinlock.h:396 net/ipv6/route.c:3905) 
[4659.934662][T15182] ip6_route_del (net/ipv6/route.c:4115) 
[4659.934669][T15182] ? __pfx_ip6_route_del (net/ipv6/route.c:4059) 
[4659.934680][T15182] ? inet6_rtm_delroute (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/ipv6/route.c:5651) 
[4659.934688][T15182] inet6_rtm_delroute (net/ipv6/route.c:5663) 
[4659.934693][T15182] ? __pfx_inet6_rtm_delroute (net/ipv6/route.c:5640) 
[4659.934719][T15182] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6952) 
[4659.934729][T15182] ? __pfx_inet6_rtm_delroute (net/ipv6/route.c:5640) 
[4659.934732][T15182] rtnetlink_rcv_msg (net/core/rtnetlink.c:6954) 
[4659.934740][T15182] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6857) 
[4659.934745][T15182] ? 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) 
[4659.934748][T15182] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[4659.934758][T15182] ? __lock_acquire (kernel/locking/lockdep.c:5228) 
[4659.934765][T15182] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[4659.934771][T15182] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6857) 
[4659.934779][T15182] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[4659.934801][T15182] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[4659.934806][T15182] ? 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) 
[4659.934814][T15182] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[4659.934822][T15182] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[4659.934827][T15182] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[4659.934838][T15182] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[4659.934848][T15182] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[4659.934864][T15182] ____sys_sendmsg (net/socket.c:712 net/socket.c:727 net/socket.c:2566) 
[4659.934873][T15182] ? __pfx_____sys_sendmsg (net/socket.c:2512) 
[4659.934876][T15182] ? __pfx_copy_msghdr_from_user (net/socket.c:2492) 
[4659.934896][T15182] ___sys_sendmsg (net/socket.c:2622) 
[4659.934899][T15182] ? 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) 
[4659.934905][T15182] ? __pfx____sys_sendmsg (net/socket.c:2609) 
[4659.934916][T15182] ? hlock_class (kernel/locking/lockdep.c:225) 
[4659.934928][T15182] ? 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) 
[4659.934934][T15182] ? 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) 
[4659.934946][T15182] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[4659.934952][T15182] ? __lock_release (kernel/locking/lockdep.c:5527) 
[4659.934961][T15182] __sys_sendmsg (net/socket.c:2652) 
[4659.934964][T15182] ? __pfx___sys_sendmsg (net/socket.c:2637) 
[4659.934977][T15182] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[4659.934990][T15182] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[4659.934997][T15182] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 4659.935003][T15182] RIP: 0033:0x7fa03e04f9a7
[ 4659.935009][T15182] 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)
[ 4659.935012][T15182] RSP: 002b:00007ffe8ff24808 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 4659.935016][T15182] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa03e04f9a7
[ 4659.935018][T15182] RDX: 0000000000000000 RSI: 00007ffe8ff24870 RDI: 0000000000000005
[ 4659.935020][T15182] RBP: 00007ffe8ff26db0 R08: 0000000000000004 R09: 0000000000000000
[ 4659.935021][T15182] R10: 00007fa03df08708 R11: 0000000000000246 R12: 00007ffe8ff25b80
[ 4659.935023][T15182] R13: 0000000067dd4100 R14: 0000000000498600 R15: 0000000000000001
| [ 4659.949508][T15182] 1 lock held by ip/15182:
| [4659.949685][T15182] #0: ffff8880165c3230 (&tb->tb6_lock){+.-.}-{3:3}, at: __ip6_del_rt (net/ipv6/route.c:3904) 
| [ 4659.950015][T15182]
| [ 4659.950015][T15182] stack backtrace:
[ 4659.950262][T15182] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 4659.950264][T15182] Call Trace:
[ 4659.950266][T15182]  <TASK>
[4659.950269][T15182] dump_stack_lvl (lib/dump_stack.c:123) 
[4659.950278][T15182] lockdep_rcu_suspicious (kernel/locking/lockdep.c:6848) 
[4659.950290][T15182] nexthop_fib6_nh (./include/net/nexthop.h:525 (discriminator 11)) 
[4659.950295][T15182] rt6_fill_node_nexthop (net/ipv6/route.c:5767) 
[4659.950302][T15182] rt6_fill_node.constprop.0 (net/ipv6/route.c:5927) 
[4659.950308][T15182] ? __kmalloc_node_track_caller_noprof (mm/slub.c:4315) 
[4659.950314][T15182] ? __create_object (mm/kmemleak.c:766) 
[4659.950328][T15182] ? __pfx_rt6_fill_node.constprop.0 (net/ipv6/route.c:5778) 
[4659.950333][T15182] ? __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) 
[4659.950341][T15182] ? __alloc_skb (net/core/skbuff.c:685) 
[4659.950344][T15182] ? __pfx___alloc_skb (net/core/skbuff.c:642) 
[4659.950347][T15182] ? rt6_nlmsg_size (net/ipv6/route.c:5746) 
[4659.950352][T15182] ? __pfx_rt6_nlmsg_size (net/ipv6/route.c:5706) 
[4659.950361][T15182] ? inet6_rt_notify (net/ipv6/route.c:6372) 
[4659.950365][T15182] inet6_rt_notify (net/ipv6/route.c:6372) 
[4659.950376][T15182] fib6_del_route (net/ipv6/ip6_fib.c:2034) 
[4659.950391][T15182] ? __pfx_fib6_del_route (net/ipv6/ip6_fib.c:1947) 
[4659.950400][T15182] ? 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) 
[4659.950411][T15182] fib6_del (net/ipv6/ip6_fib.c:2070) 
[4659.950419][T15182] __ip6_del_rt (./include/linux/spinlock.h:396 net/ipv6/route.c:3905) 
[4659.950424][T15182] ip6_route_del (net/ipv6/route.c:4115) 
[4659.950431][T15182] ? __pfx_ip6_route_del (net/ipv6/route.c:4059) 
[4659.950442][T15182] ? inet6_rtm_delroute (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/ipv6/route.c:5651) 
[4659.950450][T15182] inet6_rtm_delroute (net/ipv6/route.c:5663) 
[4659.950455][T15182] ? __pfx_inet6_rtm_delroute (net/ipv6/route.c:5640) 
[4659.950482][T15182] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6952) 
[4659.950491][T15182] ? __pfx_inet6_rtm_delroute (net/ipv6/route.c:5640) 
[4659.950494][T15182] rtnetlink_rcv_msg (net/core/rtnetlink.c:6954) 
[4659.950501][T15182] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6857) 
[4659.950506][T15182] ? 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) 
[4659.950509][T15182] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[4659.950519][T15182] ? __lock_acquire (kernel/locking/lockdep.c:5228) 
[4659.950526][T15182] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[4659.950532][T15182] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6857) 
[4659.950540][T15182] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[4659.950561][T15182] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[4659.950567][T15182] ? 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) 
[4659.950575][T15182] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[4659.950584][T15182] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[4659.950588][T15182] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[4659.950599][T15182] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[4659.950608][T15182] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[4659.950625][T15182] ____sys_sendmsg (net/socket.c:712 net/socket.c:727 net/socket.c:2566) 
[4659.950633][T15182] ? __pfx_____sys_sendmsg (net/socket.c:2512) 
[4659.950636][T15182] ? __pfx_copy_msghdr_from_user (net/socket.c:2492) 
[4659.950656][T15182] ___sys_sendmsg (net/socket.c:2622) 
[4659.950659][T15182] ? 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) 
[4659.950665][T15182] ? __pfx____sys_sendmsg (net/socket.c:2609) 
[4659.950675][T15182] ? hlock_class (kernel/locking/lockdep.c:225) 
[4659.950687][T15182] ? 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) 
[4659.950693][T15182] ? 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) 
[4659.950705][T15182] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[4659.950712][T15182] ? __lock_release (kernel/locking/lockdep.c:5527) 
[4659.950720][T15182] __sys_sendmsg (net/socket.c:2652) 
[4659.950723][T15182] ? __pfx___sys_sendmsg (net/socket.c:2637) 
[4659.950736][T15182] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[4659.950749][T15182] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[4659.950756][T15182] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 4659.950760][T15182] RIP: 0033:0x7fa03e04f9a7
[ 4659.950765][T15182] 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)
[ 4659.950768][T15182] RSP: 002b:00007ffe8ff24808 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 4659.950772][T15182] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa03e04f9a7
[ 4659.950774][T15182] RDX: 0000000000000000 RSI: 00007ffe8ff24870 RDI: 0000000000000005
[ 4659.950776][T15182] RBP: 00007ffe8ff26db0 R08: 0000000000000004 R09: 0000000000000000
[ 4659.950777][T15182] R10: 00007fa03df08708 R11: 0000000000000246 R12: 00007ffe8ff25b80


Finger prints:
lockdep_rcu_suspicious:nexthop_for_each_fib6_nh:fib6_purge_rt:fib6_del_route:fib6_del
lockdep_rcu_suspicious:nexthop_fib6_nh:rt6_fill_node_nexthop:inet6_rt_notify:fib6_del_route
lockdep_rcu_suspicious:nexthop_is_blackhole:inet6_rt_notify:fib6_del_route:fib6_del