======================================
| [  973.941081][T25014] 1 lock held by ip/25014:
| [973.941267][T25014] #0: ffff88800a02c430 (&tb->tb6_lock){+.-.}-{3:3}, at: __ip6_del_rt (net/ipv6/route.c:3904) 
| [  973.941588][T25014]
| [  973.941588][T25014] stack backtrace:
[  973.941802][T25014] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  973.941804][T25014] Call Trace:
[  973.941806][T25014]  <TASK>
[973.941809][T25014] dump_stack_lvl (lib/dump_stack.c:123) 
[973.941816][T25014] lockdep_rcu_suspicious (kernel/locking/lockdep.c:6848) 
[973.941827][T25014] nexthop_for_each_fib6_nh (net/ipv4/nexthop.c:1511 (discriminator 11)) 
[973.941832][T25014] ? __pfx_rt6_nh_flush_exceptions (net/ipv6/route.c:1778) 
[973.941841][T25014] fib6_purge_rt (net/ipv6/ip6_fib.c:1023 net/ipv6/ip6_fib.c:1049) 
[973.941849][T25014] ? 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) 
[973.941854][T25014] ? __pfx_fib6_purge_rt (net/ipv6/ip6_fib.c:1044) 
[973.941867][T25014] fib6_del_route (net/ipv6/ip6_fib.c:2026) 
[973.941881][T25014] ? __pfx_fib6_del_route (net/ipv6/ip6_fib.c:1947) 
[973.941886][T25014] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[973.941893][T25014] ? 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) 
[973.941903][T25014] fib6_del (net/ipv6/ip6_fib.c:2070) 
[973.941911][T25014] __ip6_del_rt (./include/linux/spinlock.h:396 net/ipv6/route.c:3905) 
[973.941916][T25014] ip6_route_del (net/ipv6/route.c:4115) 
[973.941924][T25014] ? __pfx_ip6_route_del (net/ipv6/route.c:4059) 
[973.941934][T25014] ? inet6_rtm_delroute (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/ipv6/route.c:5651) 
[973.941942][T25014] inet6_rtm_delroute (net/ipv6/route.c:5663) 
[973.941947][T25014] ? __pfx_inet6_rtm_delroute (net/ipv6/route.c:5640) 
[973.941972][T25014] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6952) 
[973.941979][T25014] ? __pfx_inet6_rtm_delroute (net/ipv6/route.c:5640) 
[973.941983][T25014] rtnetlink_rcv_msg (net/core/rtnetlink.c:6954) 
[973.941989][T25014] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6857) 
[973.941993][T25014] ? 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) 
[973.941996][T25014] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[973.942006][T25014] ? __lock_acquire (kernel/locking/lockdep.c:5228) 
[973.942013][T25014] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[973.942018][T25014] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6857) 
[973.942025][T25014] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[973.942045][T25014] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[973.942050][T25014] ? 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) 
[973.942057][T25014] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[973.942065][T25014] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[973.942069][T25014] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[973.942079][T25014] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[973.942087][T25014] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[973.942103][T25014] ____sys_sendmsg (net/socket.c:712 net/socket.c:727 net/socket.c:2566) 
[973.942111][T25014] ? __pfx_____sys_sendmsg (net/socket.c:2512) 
[973.942115][T25014] ? __pfx_copy_msghdr_from_user (net/socket.c:2492) 
[973.942132][T25014] ___sys_sendmsg (net/socket.c:2622) 
[973.942138][T25014] ? __pfx____sys_sendmsg (net/socket.c:2609) 
[973.942149][T25014] ? ___sys_recvmsg (net/socket.c:2818) 
[973.942154][T25014] ? __pfx____sys_recvmsg (net/socket.c:2818) 
[973.942162][T25014] ? 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) 
[973.942167][T25014] ? 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) 
[973.942177][T25014] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[973.942184][T25014] ? __lock_release (kernel/locking/lockdep.c:5527) 
[973.942192][T25014] __sys_sendmsg (net/socket.c:2652) 
[973.942197][T25014] ? __pfx___sys_sendmsg (net/socket.c:2637) 
[973.942209][T25014] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[973.942221][T25014] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[973.942228][T25014] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  973.942232][T25014] RIP: 0033:0x7f4b22ceb9a7
[ 973.942236][T25014] 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)
[  973.942239][T25014] RSP: 002b:00007ffe8d433928 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  973.942243][T25014] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4b22ceb9a7
[  973.942245][T25014] RDX: 0000000000000000 RSI: 00007ffe8d433990 RDI: 0000000000000005
[  973.942247][T25014] RBP: 00007ffe8d435ed0 R08: 0000000000000004 R09: 0000000000000000
[  973.942248][T25014] R10: 00007f4b22d3aac0 R11: 0000000000000246 R12: 00007ffe8d434ca0
[  973.942250][T25014] R13: 0000000067dd5b52 R14: 0000000000498600 R15: 0000000000000001
| [  973.956321][T25014] 1 lock held by ip/25014:
| [973.956525][T25014] #0: ffff88800a02c430 (&tb->tb6_lock){+.-.}-{3:3}, at: __ip6_del_rt (net/ipv6/route.c:3904) 
| [  973.956845][T25014]
| [  973.956845][T25014] stack backtrace:
[  973.957058][T25014] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  973.957060][T25014] Call Trace:
[  973.957062][T25014]  <TASK>
[973.957064][T25014] dump_stack_lvl (lib/dump_stack.c:123) 
[973.957072][T25014] lockdep_rcu_suspicious (kernel/locking/lockdep.c:6848) 
[973.957082][T25014] nexthop_for_each_fib6_nh (net/ipv4/nexthop.c:1515 (discriminator 11)) 
[973.957086][T25014] ? __pfx_rt6_nh_flush_exceptions (net/ipv6/route.c:1778) 
[973.957096][T25014] fib6_purge_rt (net/ipv6/ip6_fib.c:1023 net/ipv6/ip6_fib.c:1049) 
[973.957104][T25014] ? 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) 
[973.957108][T25014] ? __pfx_fib6_purge_rt (net/ipv6/ip6_fib.c:1044) 
[973.957121][T25014] fib6_del_route (net/ipv6/ip6_fib.c:2026) 
[973.957135][T25014] ? __pfx_fib6_del_route (net/ipv6/ip6_fib.c:1947) 
[973.957143][T25014] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[973.957149][T25014] ? 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) 
[973.957159][T25014] fib6_del (net/ipv6/ip6_fib.c:2070) 
[973.957167][T25014] __ip6_del_rt (./include/linux/spinlock.h:396 net/ipv6/route.c:3905) 
[973.957173][T25014] ip6_route_del (net/ipv6/route.c:4115) 
[973.957181][T25014] ? __pfx_ip6_route_del (net/ipv6/route.c:4059) 
[973.957191][T25014] ? inet6_rtm_delroute (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/ipv6/route.c:5651) 
[973.957200][T25014] inet6_rtm_delroute (net/ipv6/route.c:5663) 
[973.957204][T25014] ? __pfx_inet6_rtm_delroute (net/ipv6/route.c:5640) 
[973.957230][T25014] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6952) 
[973.957237][T25014] ? __pfx_inet6_rtm_delroute (net/ipv6/route.c:5640) 
[973.957240][T25014] rtnetlink_rcv_msg (net/core/rtnetlink.c:6954) 
[973.957247][T25014] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6857) 
[973.957250][T25014] ? 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) 
[973.957253][T25014] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[973.957263][T25014] ? __lock_acquire (kernel/locking/lockdep.c:5228) 
[973.957270][T25014] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[973.957275][T25014] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6857) 
[973.957281][T25014] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[973.957302][T25014] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[973.957307][T25014] ? 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) 
[973.957314][T25014] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[973.957322][T25014] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[973.957326][T25014] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[973.957336][T25014] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[973.957345][T25014] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[973.957360][T25014] ____sys_sendmsg (net/socket.c:712 net/socket.c:727 net/socket.c:2566) 
[973.957368][T25014] ? __pfx_____sys_sendmsg (net/socket.c:2512) 
[973.957372][T25014] ? __pfx_copy_msghdr_from_user (net/socket.c:2492) 
[973.957389][T25014] ___sys_sendmsg (net/socket.c:2622) 
[973.957395][T25014] ? __pfx____sys_sendmsg (net/socket.c:2609) 
[973.957405][T25014] ? ___sys_recvmsg (net/socket.c:2818) 
[973.957410][T25014] ? __pfx____sys_recvmsg (net/socket.c:2818) 
[973.957418][T25014] ? 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) 
[973.957423][T25014] ? 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) 
[973.957433][T25014] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[973.957439][T25014] ? __lock_release (kernel/locking/lockdep.c:5527) 
[973.957448][T25014] __sys_sendmsg (net/socket.c:2652) 
[973.957452][T25014] ? __pfx___sys_sendmsg (net/socket.c:2637) 
[973.957464][T25014] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[973.957476][T25014] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[973.957483][T25014] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  973.957488][T25014] RIP: 0033:0x7f4b22ceb9a7
[ 973.957493][T25014] 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)
[  973.957496][T25014] RSP: 002b:00007ffe8d433928 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  973.957500][T25014] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4b22ceb9a7
[  973.957502][T25014] RDX: 0000000000000000 RSI: 00007ffe8d433990 RDI: 0000000000000005
[  973.957504][T25014] RBP: 00007ffe8d435ed0 R08: 0000000000000004 R09: 0000000000000000
[  973.957506][T25014] R10: 00007f4b22d3aac0 R11: 0000000000000246 R12: 00007ffe8d434ca0
[  973.957508][T25014] R13: 0000000067dd5b52 R14: 0000000000498600 R15: 0000000000000001
| [  973.974226][T25014] 1 lock held by ip/25014:
| [973.974523][T25014] #0: ffff88800a02c430 (&tb->tb6_lock){+.-.}-{3:3}, at: __ip6_del_rt (net/ipv6/route.c:3904) 
| [  973.975065][T25014]
| [  973.975065][T25014] stack backtrace:
[  973.975610][T25014] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  973.975613][T25014] Call Trace:
[  973.975616][T25014]  <TASK>
[973.975620][T25014] dump_stack_lvl (lib/dump_stack.c:123) 
[973.975631][T25014] lockdep_rcu_suspicious (kernel/locking/lockdep.c:6848) 
[973.975650][T25014] nexthop_is_blackhole (./include/net/nexthop.h:375 (discriminator 11)) 
[973.975658][T25014] rt6_fill_node.constprop.0 (net/ipv6/route.c:5924) 
[973.975666][T25014] ? __kmalloc_node_track_caller_noprof (mm/slub.c:4315) 
[973.975674][T25014] ? __create_object (mm/kmemleak.c:766) 
[973.975695][T25014] ? __pfx_rt6_fill_node.constprop.0 (net/ipv6/route.c:5778) 
[973.975702][T25014] ? __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) 
[973.975713][T25014] ? __alloc_skb (net/core/skbuff.c:685) 
[973.975721][T25014] ? __pfx___alloc_skb (net/core/skbuff.c:642) 
[973.975727][T25014] ? rt6_nlmsg_size (net/ipv6/route.c:5746) 
[973.975734][T25014] ? __pfx_rt6_nlmsg_size (net/ipv6/route.c:5706) 
[973.975751][T25014] ? inet6_rt_notify (net/ipv6/route.c:6372) 
[973.975756][T25014] inet6_rt_notify (net/ipv6/route.c:6372) 
[973.975775][T25014] fib6_del_route (net/ipv6/ip6_fib.c:2034) 
[973.975800][T25014] ? __pfx_fib6_del_route (net/ipv6/ip6_fib.c:1947) 
[973.975816][T25014] ? 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) 
[973.975834][T25014] fib6_del (net/ipv6/ip6_fib.c:2070) 
[973.975849][T25014] __ip6_del_rt (./include/linux/spinlock.h:396 net/ipv6/route.c:3905) 
[973.975858][T25014] ip6_route_del (net/ipv6/route.c:4115) 
[973.975870][T25014] ? __pfx_ip6_route_del (net/ipv6/route.c:4059) 
[973.975889][T25014] ? inet6_rtm_delroute (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/ipv6/route.c:5651) 
[973.975904][T25014] inet6_rtm_delroute (net/ipv6/route.c:5663) 
[973.975912][T25014] ? __pfx_inet6_rtm_delroute (net/ipv6/route.c:5640) 
[973.975959][T25014] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6952) 
[973.975971][T25014] ? __pfx_inet6_rtm_delroute (net/ipv6/route.c:5640) 
[973.975977][T25014] rtnetlink_rcv_msg (net/core/rtnetlink.c:6954) 
[973.975989][T25014] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6857) 
[973.975996][T25014] ? 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) 
[973.976001][T25014] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[973.976020][T25014] ? __lock_acquire (kernel/locking/lockdep.c:5228) 
[973.976033][T25014] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[973.976040][T25014] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6857) 
[973.976052][T25014] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[973.976089][T25014] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[973.976098][T25014] ? 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) 
[973.976111][T25014] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[973.976126][T25014] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[973.976135][T25014] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[973.976155][T25014] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[973.976171][T25014] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[973.976199][T25014] ____sys_sendmsg (net/socket.c:712 net/socket.c:727 net/socket.c:2566) 
[973.976213][T25014] ? __pfx_____sys_sendmsg (net/socket.c:2512) 
[973.976219][T25014] ? __pfx_copy_msghdr_from_user (net/socket.c:2492) 
[973.976250][T25014] ___sys_sendmsg (net/socket.c:2622) 
[973.976263][T25014] ? __pfx____sys_sendmsg (net/socket.c:2609) 
[973.976280][T25014] ? ___sys_recvmsg (net/socket.c:2818) 
[973.976289][T25014] ? __pfx____sys_recvmsg (net/socket.c:2818) 
[973.976303][T25014] ? 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) 
[973.976311][T25014] ? 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) 
[973.976329][T25014] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[973.976339][T25014] ? __lock_release (kernel/locking/lockdep.c:5527) 
[973.976353][T25014] __sys_sendmsg (net/socket.c:2652) 
[973.976360][T25014] ? __pfx___sys_sendmsg (net/socket.c:2637) 
[973.976381][T25014] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[973.976401][T25014] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[973.976413][T25014] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  973.976421][T25014] RIP: 0033:0x7f4b22ceb9a7
[ 973.976428][T25014] 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)
[  973.976433][T25014] RSP: 002b:00007ffe8d433928 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  973.976438][T25014] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4b22ceb9a7
[  973.976442][T25014] RDX: 0000000000000000 RSI: 00007ffe8d433990 RDI: 0000000000000005
[  973.976445][T25014] RBP: 00007ffe8d435ed0 R08: 0000000000000004 R09: 0000000000000000
[  973.976448][T25014] R10: 00007f4b22d3aac0 R11: 0000000000000246 R12: 00007ffe8d434ca0
[  973.976451][T25014] R13: 0000000067dd5b52 R14: 0000000000498600 R15: 0000000000000001
| [  974.005088][T25014] 1 lock held by ip/25014:
| [974.005412][T25014] #0: ffff88800a02c430 (&tb->tb6_lock){+.-.}-{3:3}, at: __ip6_del_rt (net/ipv6/route.c:3904) 
| [  974.006137][T25014]
| [  974.006137][T25014] stack backtrace:
[  974.006540][T25014] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  974.006544][T25014] Call Trace:
[  974.006547][T25014]  <TASK>
[974.006551][T25014] dump_stack_lvl (lib/dump_stack.c:123) 
[974.006563][T25014] lockdep_rcu_suspicious (kernel/locking/lockdep.c:6848) 
[974.006579][T25014] rt6_fill_node_nexthop (./include/net/nexthop.h:312 ./include/net/nexthop.h:307 net/ipv6/route.c:5752) 
[974.006592][T25014] rt6_fill_node.constprop.0 (net/ipv6/route.c:5927) 
[974.006600][T25014] ? __kmalloc_node_track_caller_noprof (mm/slub.c:4315) 
[974.006608][T25014] ? __create_object (mm/kmemleak.c:766) 
[974.006631][T25014] ? __pfx_rt6_fill_node.constprop.0 (net/ipv6/route.c:5778) 
[974.006639][T25014] ? __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) 
[974.006650][T25014] ? __alloc_skb (net/core/skbuff.c:685) 
[974.006658][T25014] ? __pfx___alloc_skb (net/core/skbuff.c:642) 
[974.006664][T25014] ? rt6_nlmsg_size (net/ipv6/route.c:5746) 
[974.006671][T25014] ? __pfx_rt6_nlmsg_size (net/ipv6/route.c:5706) 
[974.006689][T25014] ? inet6_rt_notify (net/ipv6/route.c:6372) 
[974.006693][T25014] inet6_rt_notify (net/ipv6/route.c:6372) 
[974.006714][T25014] fib6_del_route (net/ipv6/ip6_fib.c:2034) 
[974.006740][T25014] ? __pfx_fib6_del_route (net/ipv6/ip6_fib.c:1947) 
[974.006757][T25014] ? 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) 
[974.006775][T25014] fib6_del (net/ipv6/ip6_fib.c:2070) 
[974.006789][T25014] __ip6_del_rt (./include/linux/spinlock.h:396 net/ipv6/route.c:3905) 
[974.006799][T25014] ip6_route_del (net/ipv6/route.c:4115) 
[974.006813][T25014] ? __pfx_ip6_route_del (net/ipv6/route.c:4059) 
[974.006834][T25014] ? inet6_rtm_delroute (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/ipv6/route.c:5651) 
[974.006849][T25014] inet6_rtm_delroute (net/ipv6/route.c:5663) 
[974.006857][T25014] ? __pfx_inet6_rtm_delroute (net/ipv6/route.c:5640) 
[974.006907][T25014] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6952) 
[974.006919][T25014] ? __pfx_inet6_rtm_delroute (net/ipv6/route.c:5640) 
[974.006926][T25014] rtnetlink_rcv_msg (net/core/rtnetlink.c:6954) 
[974.006939][T25014] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6857) 
[974.006947][T25014] ? 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) 
[974.006952][T25014] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[974.006970][T25014] ? __lock_acquire (kernel/locking/lockdep.c:5228) 
[974.006985][T25014] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[974.006993][T25014] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6857) 
[974.007006][T25014] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[974.007043][T25014] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[974.007053][T25014] ? 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) 
[974.007066][T25014] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[974.007082][T25014] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[974.007091][T25014] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[974.007110][T25014] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[974.007127][T25014] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[974.007159][T25014] ____sys_sendmsg (net/socket.c:712 net/socket.c:727 net/socket.c:2566) 
[974.007173][T25014] ? __pfx_____sys_sendmsg (net/socket.c:2512) 
[974.007180][T25014] ? __pfx_copy_msghdr_from_user (net/socket.c:2492) 
[974.007215][T25014] ___sys_sendmsg (net/socket.c:2622) 
[974.007228][T25014] ? __pfx____sys_sendmsg (net/socket.c:2609) 
[974.007246][T25014] ? ___sys_recvmsg (net/socket.c:2818) 
[974.007256][T25014] ? __pfx____sys_recvmsg (net/socket.c:2818) 
[974.007272][T25014] ? 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) 
[974.007281][T25014] ? 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) 
[974.007301][T25014] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[974.007314][T25014] ? __lock_release (kernel/locking/lockdep.c:5527) 
[974.007331][T25014] __sys_sendmsg (net/socket.c:2652) 
[974.007338][T25014] ? __pfx___sys_sendmsg (net/socket.c:2637) 
[974.007361][T25014] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[974.007382][T25014] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[974.007393][T25014] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  974.007399][T25014] RIP: 0033:0x7f4b22ceb9a7
[ 974.007407][T25014] 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)
[  974.007412][T25014] RSP: 002b:00007ffe8d433928 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  974.007418][T25014] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4b22ceb9a7
[  974.007422][T25014] RDX: 0000000000000000 RSI: 00007ffe8d433990 RDI: 0000000000000005
[  974.007425][T25014] RBP: 00007ffe8d435ed0 R08: 0000000000000004 R09: 0000000000000000
[  974.007428][T25014] R10: 00007f4b22d3aac0 R11: 0000000000000246 R12: 00007ffe8d434ca0
[  974.007432][T25014] R13: 0000000067dd5b52 R14: 0000000000498600 R15: 0000000000000001
| [  974.035848][T25014] 1 lock held by ip/25014:
| [974.036022][T25014] #0: ffff88800a02c430 (&tb->tb6_lock){+.-.}-{3:3}, at: __ip6_del_rt (net/ipv6/route.c:3904) 
| [  974.036454][T25014]
| [  974.036454][T25014] stack backtrace:
[  974.036686][T25014] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  974.036689][T25014] Call Trace:
[  974.036691][T25014]  <TASK>
[974.036693][T25014] dump_stack_lvl (lib/dump_stack.c:123) 
[974.036701][T25014] lockdep_rcu_suspicious (kernel/locking/lockdep.c:6848) 
[974.036711][T25014] nexthop_mpath_fill_node.constprop.0 (./include/net/nexthop.h:351) 
[974.036716][T25014] ? nla_put (lib/nlattr.c:1100) 
[974.036725][T25014] rt6_fill_node_nexthop (net/ipv6/route.c:5759) 
[974.036732][T25014] rt6_fill_node.constprop.0 (net/ipv6/route.c:5927) 
[974.036738][T25014] ? __kmalloc_node_track_caller_noprof (mm/slub.c:4315) 
[974.036743][T25014] ? __create_object (mm/kmemleak.c:766) 
[974.036756][T25014] ? __pfx_rt6_fill_node.constprop.0 (net/ipv6/route.c:5778) 
[974.036760][T25014] ? __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) 
[974.036766][T25014] ? __alloc_skb (net/core/skbuff.c:685) 
[974.036771][T25014] ? __pfx___alloc_skb (net/core/skbuff.c:642) 
[974.036774][T25014] ? rt6_nlmsg_size (net/ipv6/route.c:5746) 
[974.036778][T25014] ? __pfx_rt6_nlmsg_size (net/ipv6/route.c:5706) 
[974.036788][T25014] ? inet6_rt_notify (net/ipv6/route.c:6372) 
[974.036790][T25014] inet6_rt_notify (net/ipv6/route.c:6372) 
[974.036801][T25014] fib6_del_route (net/ipv6/ip6_fib.c:2034) 
[974.036815][T25014] ? __pfx_fib6_del_route (net/ipv6/ip6_fib.c:1947) 
[974.036824][T25014] ? 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) 
[974.036834][T25014] fib6_del (net/ipv6/ip6_fib.c:2070) 
[974.036842][T25014] __ip6_del_rt (./include/linux/spinlock.h:396 net/ipv6/route.c:3905) 
[974.036847][T25014] ip6_route_del (net/ipv6/route.c:4115) 
[974.036855][T25014] ? __pfx_ip6_route_del (net/ipv6/route.c:4059) 
[974.036865][T25014] ? inet6_rtm_delroute (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/ipv6/route.c:5651) 
[974.036874][T25014] inet6_rtm_delroute (net/ipv6/route.c:5663) 
[974.036878][T25014] ? __pfx_inet6_rtm_delroute (net/ipv6/route.c:5640) 
[974.036904][T25014] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6952) 
[974.036911][T25014] ? __pfx_inet6_rtm_delroute (net/ipv6/route.c:5640) 
[974.036915][T25014] rtnetlink_rcv_msg (net/core/rtnetlink.c:6954) 
[974.036921][T25014] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6857) 
[974.036925][T25014] ? 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) 
[974.036928][T25014] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[974.036938][T25014] ? __lock_acquire (kernel/locking/lockdep.c:5228) 
[974.036946][T25014] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[974.036950][T25014] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6857) 
[974.036957][T25014] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[974.036977][T25014] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[974.036982][T25014] ? 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) 
[974.036989][T25014] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[974.036997][T25014] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[974.037002][T25014] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[974.037011][T25014] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[974.037020][T25014] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[974.037035][T25014] ____sys_sendmsg (net/socket.c:712 net/socket.c:727 net/socket.c:2566) 
[974.037044][T25014] ? __pfx_____sys_sendmsg (net/socket.c:2512) 
[974.037048][T25014] ? __pfx_copy_msghdr_from_user (net/socket.c:2492) 
[974.037065][T25014] ___sys_sendmsg (net/socket.c:2622) 
[974.037071][T25014] ? __pfx____sys_sendmsg (net/socket.c:2609) 
[974.037080][T25014] ? ___sys_recvmsg (net/socket.c:2818) 
[974.037086][T25014] ? __pfx____sys_recvmsg (net/socket.c:2818) 
[974.037094][T25014] ? 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) 
[974.037100][T25014] ? 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) 
[974.037110][T25014] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[974.037116][T25014] ? __lock_release (kernel/locking/lockdep.c:5527) 
[974.037125][T25014] __sys_sendmsg (net/socket.c:2652) 
[974.037129][T25014] ? __pfx___sys_sendmsg (net/socket.c:2637) 
[974.037144][T25014] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[974.037156][T25014] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[974.037163][T25014] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  974.037167][T25014] RIP: 0033:0x7f4b22ceb9a7
[ 974.037173][T25014] 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)
[  974.037175][T25014] RSP: 002b:00007ffe8d433928 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  974.037179][T25014] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4b22ceb9a7
[  974.037181][T25014] RDX: 0000000000000000 RSI: 00007ffe8d433990 RDI: 0000000000000005
[  974.037183][T25014] RBP: 00007ffe8d435ed0 R08: 0000000000000004 R09: 0000000000000000
[  974.037185][T25014] R10: 00007f4b22d3aac0 R11: 0000000000000246 R12: 00007ffe8d434ca0
[  974.037187][T25014] R13: 0000000067dd5b52 R14: 0000000000498600 R15: 0000000000000001
| [  974.054657][T25014] 1 lock held by ip/25014:
| [974.054836][T25014] #0: ffff88800a02c430 (&tb->tb6_lock){+.-.}-{3:3}, at: __ip6_del_rt (net/ipv6/route.c:3904) 
| [  974.055274][T25014]
| [  974.055274][T25014] stack backtrace:
[  974.055494][T25014] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  974.055497][T25014] Call Trace:
[  974.055499][T25014]  <TASK>
[974.055501][T25014] dump_stack_lvl (lib/dump_stack.c:123) 
[974.055507][T25014] lockdep_rcu_suspicious (kernel/locking/lockdep.c:6848) 
[974.055517][T25014] nexthop_mpath_fill_node.constprop.0 (./include/net/nexthop.h:356) 
[974.055527][T25014] rt6_fill_node_nexthop (net/ipv6/route.c:5759) 
[974.055534][T25014] rt6_fill_node.constprop.0 (net/ipv6/route.c:5927) 
[974.055539][T25014] ? __kmalloc_node_track_caller_noprof (mm/slub.c:4315) 
[974.055545][T25014] ? __create_object (mm/kmemleak.c:766) 
[974.055557][T25014] ? __pfx_rt6_fill_node.constprop.0 (net/ipv6/route.c:5778) 
[974.055561][T25014] ? __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) 
[974.055567][T25014] ? __alloc_skb (net/core/skbuff.c:685) 
[974.055572][T25014] ? __pfx___alloc_skb (net/core/skbuff.c:642) 
[974.055575][T25014] ? rt6_nlmsg_size (net/ipv6/route.c:5746) 
[974.055580][T25014] ? __pfx_rt6_nlmsg_size (net/ipv6/route.c:5706) 
[974.055589][T25014] ? inet6_rt_notify (net/ipv6/route.c:6372) 
[974.055592][T25014] inet6_rt_notify (net/ipv6/route.c:6372) 
[974.055603][T25014] fib6_del_route (net/ipv6/ip6_fib.c:2034) 
[974.055617][T25014] ? __pfx_fib6_del_route (net/ipv6/ip6_fib.c:1947) 
[974.055626][T25014] ? 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) 
[974.055636][T25014] fib6_del (net/ipv6/ip6_fib.c:2070) 
[974.055645][T25014] __ip6_del_rt (./include/linux/spinlock.h:396 net/ipv6/route.c:3905) 
[974.055650][T25014] ip6_route_del (net/ipv6/route.c:4115) 
[974.055658][T25014] ? __pfx_ip6_route_del (net/ipv6/route.c:4059) 
[974.055668][T25014] ? inet6_rtm_delroute (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/ipv6/route.c:5651) 
[974.055676][T25014] inet6_rtm_delroute (net/ipv6/route.c:5663) 
[974.055681][T25014] ? __pfx_inet6_rtm_delroute (net/ipv6/route.c:5640) 
[974.055706][T25014] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6952) 
[974.055712][T25014] ? __pfx_inet6_rtm_delroute (net/ipv6/route.c:5640) 
[974.055716][T25014] rtnetlink_rcv_msg (net/core/rtnetlink.c:6954) 
[974.055722][T25014] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6857) 
[974.055726][T25014] ? 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) 
[974.055729][T25014] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[974.055739][T25014] ? __lock_acquire (kernel/locking/lockdep.c:5228) 
[974.055746][T25014] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[974.055751][T25014] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6857) 
[974.055757][T25014] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[974.055778][T25014] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[974.055783][T25014] ? 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) 
[974.055790][T25014] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[974.055798][T25014] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[974.055802][T25014] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[974.055812][T25014] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[974.055820][T25014] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[974.055836][T25014] ____sys_sendmsg (net/socket.c:712 net/socket.c:727 net/socket.c:2566) 
[974.055844][T25014] ? __pfx_____sys_sendmsg (net/socket.c:2512) 
[974.055848][T25014] ? __pfx_copy_msghdr_from_user (net/socket.c:2492) 
[974.055865][T25014] ___sys_sendmsg (net/socket.c:2622) 
[974.055872][T25014] ? __pfx____sys_sendmsg (net/socket.c:2609) 
[974.055881][T25014] ? ___sys_recvmsg (net/socket.c:2818) 
[974.055886][T25014] ? __pfx____sys_recvmsg (net/socket.c:2818) 
[974.055894][T25014] ? 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) 
[974.055899][T25014] ? 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) 
[974.055909][T25014] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[974.055915][T25014] ? __lock_release (kernel/locking/lockdep.c:5527) 
[974.055924][T25014] __sys_sendmsg (net/socket.c:2652) 
[974.055928][T25014] ? __pfx___sys_sendmsg (net/socket.c:2637) 
[974.055940][T25014] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) 
[974.055952][T25014] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[974.055958][T25014] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  974.055963][T25014] RIP: 0033:0x7f4b22ceb9a7
[ 974.055968][T25014] 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)
[  974.055970][T25014] RSP: 002b:00007ffe8d433928 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  974.055974][T25014] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4b22ceb9a7
[  974.055976][T25014] RDX: 0000000000000000 RSI: 00007ffe8d433990 RDI: 0000000000000005
[  974.055977][T25014] RBP: 00007ffe8d435ed0 R08: 0000000000000004 R09: 0000000000000000
[  974.055979][T25014] R10: 00007f4b22d3aac0 R11: 0000000000000246 R12: 00007ffe8d434ca0


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