======================================
| [  518.445164][ T9025] eth1: renamed from tmp
| [  527.525057][ T9160] eth1: renamed from tmp
| [  532.726504][ T9208] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000021: 0000 [#1] SMP KASAN
| [  532.726768][ T9208] KASAN: null-ptr-deref in range [0x0000000000000108-0x000000000000010f]
[  532.727078][ T9208] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  532.727207][ T9208] RIP: 0010:ip6_rt_pcpu_alloc (./include/net/net_namespace.h:419 (discriminator 10) ./include/linux/netdevice.h:2741 (discriminator 10) net/ipv6/route.c:1418 (discriminator 10))
[  532.727315][ T9208] Code: fe ff 0f b7 ed 49 89 c7 e8 1e 05 3f 00 49 8d 87 08 01 00 00 48 89 c2 48 89 44 24 08 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 de 03 00 00 49 8b 87 08 01 00 00 89 e9 ba ff ff
All code
========
   0:	fe                   	(bad)
   1:	ff 0f                	decl   (%rdi)
   3:	b7 ed                	mov    $0xed,%bh
   5:	49 89 c7             	mov    %rax,%r15
   8:	e8 1e 05 3f 00       	call   0x3f052b
   d:	49 8d 87 08 01 00 00 	lea    0x108(%r15),%rax
  14:	48 89 c2             	mov    %rax,%rdx
  17:	48 89 44 24 08       	mov    %rax,0x8(%rsp)
  1c:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  23:	fc ff df 
  26:	48 c1 ea 03          	shr    $0x3,%rdx
  2a:*	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1)		<-- trapping instruction
  2e:	0f 85 de 03 00 00    	jne    0x412
  34:	49 8b 87 08 01 00 00 	mov    0x108(%r15),%rax
  3b:	89 e9                	mov    %ebp,%ecx
  3d:	ba                   	.byte 0xba
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1)
   4:	0f 85 de 03 00 00    	jne    0x3e8
   a:	49 8b 87 08 01 00 00 	mov    0x108(%r15),%rax
  11:	89 e9                	mov    %ebp,%ecx
  13:	ba                   	.byte 0xba
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  532.727653][ T9208] RSP: 0018:ffa000000c0b6980 EFLAGS: 00010216
[  532.727776][ T9208] RAX: dffffc0000000000 RBX: ff110000157ba02c RCX: 0000000000000000
[  532.727921][ T9208] RDX: 0000000000000021 RSI: dffffc0000000000 RDI: 1fe2200002bee835
[  532.728063][ T9208] RBP: 0000000000000008 R08: ff1100001528d038 R09: ff1100001528d038
[  532.728212][ T9208] R10: 0000000000000003 R11: 0000000000000001 R12: ff110000157ba000
[  532.728354][ T9208] R13: 1ff4000001816d32 R14: ffa000000c0b6aa0 R15: 0000000000000000
[  532.728504][ T9208] FS:  00007fc776437740(0000) GS:ff110000b6f51000(0000) knlGS:0000000000000000
[  532.728674][ T9208] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  532.728794][ T9208] CR2: 00007fe5d2c329f8 CR3: 0000000014aa9006 CR4: 0000000000771ef0
[  532.728942][ T9208] PKRU: 55555554
[  532.729012][ T9208] Call Trace:
[  532.729083][ T9208]  <TASK>
[  532.729133][ T9208]  ? rt6_do_update_pmtu (net/ipv6/route.c:1407)
[  532.729241][ T9208]  ? __rt6_find_exception_rcu.constprop.0 (net/ipv6/route.c:1612 (discriminator 2))
[  532.729367][ T9208]  ip6_pol_route (net/ipv6/route.c:1467 net/ipv6/route.c:2318)
[  532.729461][ T9208]  ? ip6_pol_route_lookup (net/ipv6/route.c:2267)
[  532.729552][ T9208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5536)
[  532.729646][ T9208]  ? ip6_pol_route_input (net/ipv6/route.c:2663)
[  532.729739][ T9208]  __fib6_rule_action (net/ipv6/fib6_rules.c:239)
[  532.729833][ T9208]  fib_rules_lookup (net/core/fib_rules.c:339)
[  532.729927][ T9208]  ? fib_nl_dumprule (net/core/fib_rules.c:315)
[  532.730021][ T9208]  ? l3mdev_update_flow (./include/linux/rcupdate.h:322 (discriminator 1) ./include/linux/rcupdate.h:881 (discriminator 1) net/l3mdev/l3mdev.c:301 (discriminator 1))
[  532.730115][ T9208]  ? ip6_pol_route_input (net/ipv6/route.c:2663)
[  532.730211][ T9208]  fib6_rule_lookup (net/ipv6/fib6_rules.c:115)
[  532.730303][ T9208]  ? fib6_lookup (net/ipv6/fib6_rules.c:99)
[  532.730395][ T9208]  ? __lock_acquire (kernel/locking/lockdep.c:5237 (discriminator 1))
[  532.730486][ T9208]  ? ip6_pol_route_input (net/ipv6/route.c:2663)
[  532.730575][ T9208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:752 (discriminator 1))
[  532.730668][ T9208]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 33) kernel/locking/lockdep.c:5831 (discriminator 33))
[  532.730757][ T9208]  ip6_route_output_flags (net/ipv6/route.c:2697 net/ipv6/route.c:2709)
[  532.730848][ T9208]  ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1156 (discriminator 1))
[  532.730963][ T9208]  ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1260)
[  532.731056][ T9208]  ? ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1255)
[  532.731175][ T9208]  ? mark_held_locks (kernel/locking/lockdep.c:4325 (discriminator 1))
[  532.731264][ T9208]  vrf_process_v6_outbound (drivers/net/vrf.c:437 (discriminator 2))
[  532.731355][ T9208]  ? vrf_ip6_local_out (drivers/net/vrf.c:413)
[  532.731447][ T9208]  ? __lock_acquire (kernel/locking/lockdep.c:5237 (discriminator 1))
[  532.731537][ T9208]  vrf_xmit (drivers/net/vrf.c:556 drivers/net/vrf.c:568)
[  532.731606][ T9208]  dev_hard_start_xmit (./include/linux/netdevice.h:5275 ./include/linux/netdevice.h:5284 net/core/dev.c:3871 net/core/dev.c:3887)
[  532.731697][ T9208]  ? validate_xmit_skb (net/core/dev.c:4045 (discriminator 1))
[  532.731789][ T9208]  __dev_queue_xmit (net/core/dev.h:385 net/core/dev.c:4837)
[  532.731881][ T9208]  ? __lock_acquire (kernel/locking/lockdep.c:5237 (discriminator 1))
[  532.731970][ T9208]  ? netdev_core_pick_tx (net/core/dev.c:4744)
[  532.732062][ T9208]  ? find_held_lock (kernel/locking/lockdep.c:5350 (discriminator 1))
[  532.732155][ T9208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5536)
[  532.732250][ T9208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:752 (discriminator 1))
[  532.732340][ T9208]  ? mark_held_locks (kernel/locking/lockdep.c:4325 (discriminator 1))
[  532.732428][ T9208]  ? __asan_memcpy (mm/kasan/shadow.c:105 (discriminator 3))
[  532.732525][ T9208]  ? neigh_hh_output (./include/net/neighbour.h:521)
[  532.732615][ T9208]  ip6_finish_output2 (./include/net/neighbour.h:554 net/ipv6/ip6_output.c:136)
[  532.732705][ T9208]  ? ip6_xmit (net/ipv6/ip6_output.c:61)
[  532.732793][ T9208]  ? find_held_lock (kernel/locking/lockdep.c:5350 (discriminator 1))
[  532.732884][ T9208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5536)
[  532.732973][ T9208]  ? ip6_mtu (./include/linux/rcupdate.h:322 (discriminator 1) ./include/linux/rcupdate.h:881 (discriminator 1) ./include/net/ip6_route.h:349 (discriminator 1) net/ipv6/route.c:3279 (discriminator 1))
[  532.733042][ T9208]  ip6_finish_output (net/ipv6/ip6_output.c:208 net/ipv6/ip6_output.c:219)
[  532.733132][ T9208]  ip6_output (./include/linux/netfilter.h:307 net/ipv6/ip6_output.c:246)
[  532.733203][ T9208]  ? ip6_finish_output (net/ipv6/ip6_output.c:227)
[  532.733294][ T9208]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:470 kernel/locking/lockdep.c:5870)
[  532.733385][ T9208]  ? find_held_lock (kernel/locking/lockdep.c:5350 (discriminator 1))
[  532.733475][ T9208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5536)
[  532.733568][ T9208]  ip6_xmit (./include/net/dst.h:470 (discriminator 4) ./include/linux/netfilter.h:318 (discriminator 4) ./include/linux/netfilter.h:312 (discriminator 4) net/ipv6/ip6_output.c:358 (discriminator 4))
[  532.733638][ T9208]  ? __lock_acquire (kernel/locking/lockdep.c:5237 (discriminator 1))
[  532.733728][ T9208]  ? ip6_dst_lookup (net/ipv6/ip6_output.c:270)
[  532.733818][ T9208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5536)
[  532.733909][ T9208]  ? __lock_acquire (kernel/locking/lockdep.c:5237 (discriminator 1))
[  532.733996][ T9208]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:470 kernel/locking/lockdep.c:5870)
[  532.734084][ T9208]  ? inet6_csk_xmit (./include/linux/rcupdate.h:312 (discriminator 1) ./include/linux/rcupdate.h:850 (discriminator 1) net/ipv6/inet6_connection_sock.c:112 (discriminator 1))
[  532.734188][ T9208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:752 (discriminator 1))
[  532.734288][ T9208]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 33) kernel/locking/lockdep.c:5831 (discriminator 33))
[  532.734385][ T9208]  inet6_csk_xmit (net/ipv6/inet6_connection_sock.c:115 (discriminator 16))
[  532.734477][ T9208]  __tcp_transmit_skb (net/ipv4/tcp_output.c:1697 (discriminator 1))
[  532.734568][ T9208]  ? __tcp_select_window (net/ipv4/tcp_output.c:1514)
[  532.734661][ T9208]  ? find_held_lock (kernel/locking/lockdep.c:5350 (discriminator 1))
[  532.734755][ T9208]  tcp_write_xmit (net/ipv4/tcp_output.c:3064 (discriminator 2))
[  532.734845][ T9208]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 2))
[  532.734938][ T9208]  ? tcp_retrans_try_collapse (net/ipv4/tcp_output.c:2968)
[  532.735052][ T9208]  ? skb_do_copy_data_nocache (./include/net/sock.h:2291)
[  532.735145][ T9208]  ? trace_tcp_sendmsg_locked (./include/net/sock.h:2291)
[  532.735241][ T9208]  __tcp_push_pending_frames (net/ipv4/tcp_output.c:3247 (discriminator 2))
[  532.735333][ T9208]  tcp_sendmsg_locked (net/ipv4/tcp.c:1427)
[  532.735429][ T9208]  ? tcp_sendmsg_fastopen (net/ipv4/tcp.c:1130)
[  532.735525][ T9208]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:470 kernel/locking/lockdep.c:5870)
[  532.735614][ T9208]  ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 (discriminator 5) ./include/linux/atomic/atomic-arch-fallback.h:2170 (discriminator 5) ./include/linux/atomic/atomic-instrumented.h:1302 (discriminator 5) ./include/asm-generic/qspinlock.h:111 (discriminator 5) kernel/locking/spinlock_debug.c:116 (discriminator 5))
[  532.735706][ T9208]  ? find_held_lock (kernel/locking/lockdep.c:5350 (discriminator 1))
[  532.735797][ T9208]  ? mark_held_locks (kernel/locking/lockdep.c:4325 (discriminator 1))
[  532.735885][ T9208]  tcp_sendmsg (net/ipv4/tcp.c:1465)
[  532.735955][ T9208]  sock_write_iter (net/socket.c:730 (discriminator 1) net/socket.c:742 (discriminator 1) net/socket.c:1195 (discriminator 1))
[  532.736053][ T9208]  ? ____sys_recvmsg (net/socket.c:1176)
[  532.736145][ T9208]  ? sock_write_iter (net/socket.c:1154)
[  532.736242][ T9208]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 33))
[  532.736357][ T9208]  ? ns_to_timespec64 (kernel/time/time.c:905)
[  532.736451][ T9208]  ? ktime_get_ts64 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 ./include/linux/seqlock.h:75 kernel/time/timekeeping.c:965)
[  532.736543][ T9208]  ? ____sys_recvmsg (net/socket.c:1176)
[  532.736635][ T9208]  new_sync_write (fs/read_write.c:596 (discriminator 1))
[  532.736728][ T9208]  ? new_sync_read (fs/read_write.c:494 (discriminator 1))
[  532.736817][ T9208]  ? poll_select_finish (fs/select.c:343 (discriminator 1))
[  532.736908][ T9208]  ? new_sync_read (fs/read_write.c:586)
[  532.736997][ T9208]  ? generic_write_checks_count (fs/read_write.c:484)
[  532.737112][ T9208]  ? do_pselect.constprop.0 (fs/select.c:760 (discriminator 1))
[  532.737207][ T9208]  vfs_write (fs/read_write.c:688)
[  532.737277][ T9208]  ? vfs_read (fs/read_write.c:574)
[  532.737346][ T9208]  ksys_write (fs/read_write.c:741)
[  532.737419][ T9208]  ? __ia32_sys_read (fs/read_write.c:730)
[  532.737512][ T9208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:752 (discriminator 1))
[  532.737608][ T9208]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 (discriminator 1) arch/x86/entry/syscall_64.c:94 (discriminator 1))
[  532.737702][ T9208]  ? irq_exit_rcu (kernel/softirq.c:741 (discriminator 37))
[  532.737792][ T9208]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[  532.737906][ T9208] RIP: 0033:0x7fc7764a8c5e
[  532.738002][ T9208] Code: 4d 89 d8 e8 34 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 13 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 34 bd 00 00       	call   0xbd3c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 13 ff ff ff       	call   0xffffffffffffff4c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 13 ff ff ff       	call   0xffffffffffffff22
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  532.738328][ T9208] RSP: 002b:00007ffddfbe14c0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  532.738472][ T9208] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fc7764a8c5e
[  532.738614][ T9208] RDX: 000000000000000c RSI: 0000000000406612 RDI: 0000000000000005
[  532.738749][ T9208] RBP: 00007ffddfbe14d0 R08: 0000000000000000 R09: 0000000000000000
[  532.738887][ T9208] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000020


Finger prints:
ip6_rt_pcpu_alloc:ip6_pol_route:__fib6_rule_action:fib_rules_lookup:fib6_rule_lookup