======================================
| [  571.594962][ T9508] eth1: renamed from tmp
| [  580.938187][ T9643] eth1: renamed from tmp
| [  586.199872][ T9690] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000021: 0000 [#1] SMP KASAN
| [  586.200151][ T9690] KASAN: null-ptr-deref in range [0x0000000000000108-0x000000000000010f]
[  586.200564][ T9690] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  586.200682][ T9690] RIP: 0010:ip6_rt_pcpu_alloc (./include/net/net_namespace.h:414 (discriminator 10) ./include/linux/netdevice.h:2728 (discriminator 10) net/ipv6/route.c:1418 (discriminator 10))
[  586.200782][ T9690] Code: fe ff 0f b7 ed 49 89 c7 e8 5e b9 3e 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 5e b9 3e 00       	call   0x3eb96b
   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
[  586.201173][ T9690] RSP: 0018:ffa000000ac668c0 EFLAGS: 00010216
[  586.201294][ T9690] RAX: dffffc0000000000 RBX: ff11000014d8d62c RCX: 0000000000000000
[  586.201450][ T9690] RDX: 0000000000000021 RSI: dffffc0000000000 RDI: 1fe2200001222835
[  586.201591][ T9690] RBP: 0000000000000008 R08: ff11000014aa2e10 R09: 0000000000000001
[  586.201728][ T9690] R10: 0000000000000000 R11: 0000000000000000 R12: ff11000014d8d600
[  586.201916][ T9690] R13: 1ff400000158cd1a R14: ffa000000ac669e0 R15: 0000000000000000
[  586.202057][ T9690] FS:  00007f1a05986740(0000) GS:ff110000b23ff000(0000) knlGS:0000000000000000
[  586.202292][ T9690] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  586.202413][ T9690] CR2: 00007f4a4e379420 CR3: 000000000f02f005 CR4: 0000000000771ef0
[  586.202554][ T9690] PKRU: 55555554
[  586.202633][ T9690] Call Trace:
[  586.202704][ T9690]  <TASK>
[  586.202754][ T9690]  ? trace_fib6_table_lookup (./include/trace/events/fib6.h:13 (discriminator 33))
[  586.202903][ T9690]  ? ip6_rt_cache_alloc.isra.0 (net/ipv6/route.c:1407)
[  586.203036][ T9690]  ? __rt6_find_exception_rcu.constprop.0 (net/ipv6/route.c:1601 (discriminator 2))
[  586.203171][ T9690]  ip6_pol_route (net/ipv6/route.c:1467 net/ipv6/route.c:2305)
[  586.203267][ T9690]  ? ip6_pol_route_lookup (net/ipv6/route.c:2254)
[  586.203362][ T9690]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5536)
[  586.203488][ T9690]  ? ip6_pol_route_input (net/ipv6/route.c:2650)
[  586.203612][ T9690]  __fib6_rule_action (net/ipv6/fib6_rules.c:239)
[  586.203706][ T9690]  fib_rules_lookup (net/core/fib_rules.c:339)
[  586.203815][ T9690]  ? fib_nl_dumprule (net/core/fib_rules.c:315)
[  586.203929][ T9690]  ? l3mdev_update_flow (./include/linux/rcupdate.h:341 (discriminator 1) ./include/linux/rcupdate.h:897 (discriminator 1) net/l3mdev/l3mdev.c:301 (discriminator 1))
[  586.204033][ T9690]  ? ip6_pol_route_input (net/ipv6/route.c:2650)
[  586.204133][ T9690]  fib6_rule_lookup (net/ipv6/fib6_rules.c:115)
[  586.204238][ T9690]  ? fib6_lookup (net/ipv6/fib6_rules.c:99)
[  586.204338][ T9690]  ? ip6_pol_route_input (net/ipv6/route.c:2650)
[  586.204437][ T9690]  ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 33))
[  586.204531][ T9690]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4473)
[  586.204629][ T9690]  ? lock_acquire (kernel/locking/lockdep.c:5833)
[  586.204726][ T9690]  ? ip6_route_output_flags (./include/linux/rcupdate.h:331 (discriminator 1) ./include/linux/rcupdate.h:867 (discriminator 1) net/ipv6/route.c:2695 (discriminator 1))
[  586.204824][ T9690]  ip6_route_output_flags (net/ipv6/route.c:2684 net/ipv6/route.c:2696)
[  586.204924][ T9690]  ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1169 (discriminator 1))
[  586.205051][ T9690]  ? enqueue_to_backlog (net/core/dev.c:5617)
[  586.205150][ T9690]  ? tcp_wfree (net/ipv4/tcp_output.c:1394)
[  586.205258][ T9690]  ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1273)
[  586.205358][ T9690]  ? ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1268)
[  586.205484][ T9690]  ? trace_netif_rx_exit (./include/trace/events/net.h:319 (discriminator 33))
[  586.205583][ T9690]  ? __netif_rx (net/core/dev.c:5666)
[  586.205656][ T9690]  vrf_process_v6_outbound (drivers/net/vrf.c:437 (discriminator 2))
[  586.205754][ T9690]  ? vrf_ip6_local_out (drivers/net/vrf.c:413)
[  586.205852][ T9690]  ? __lock_acquire (kernel/locking/lockdep.c:5237 (discriminator 1))
[  586.205951][ T9690]  vrf_xmit (drivers/net/vrf.c:556 drivers/net/vrf.c:568)
[  586.206024][ T9690]  dev_hard_start_xmit (./include/linux/netdevice.h:5287 ./include/linux/netdevice.h:5296 net/core/dev.c:3855 net/core/dev.c:3871)
[  586.206122][ T9690]  __dev_queue_xmit (net/core/dev.h:381 net/core/dev.c:4820)
[  586.206219][ T9690]  ? __lock_acquire (kernel/locking/lockdep.c:5237 (discriminator 1))
[  586.206314][ T9690]  ? netdev_core_pick_tx (net/core/dev.c:4727)
[  586.206408][ T9690]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:470 kernel/locking/lockdep.c:5870)
[  586.206506][ T9690]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5536)
[  586.206597][ T9690]  ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 33))
[  586.206687][ T9690]  ? mark_held_locks (kernel/locking/lockdep.c:4325 (discriminator 1))
[  586.206777][ T9690]  ? __asan_memcpy (mm/kasan/shadow.c:105 (discriminator 3))
[  586.206873][ T9690]  ? neigh_hh_output (./include/net/neighbour.h:521)
[  586.206968][ T9690]  ip6_finish_output2 (./include/net/neighbour.h:554 net/ipv6/ip6_output.c:136)
[  586.207065][ T9690]  ? ip6_xmit (net/ipv6/ip6_output.c:61)
[  586.207161][ T9690]  ? find_held_lock (kernel/locking/lockdep.c:5350 (discriminator 1))
[  586.207252][ T9690]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5536)
[  586.207348][ T9690]  ? ip6_mtu (./include/linux/rcupdate.h:341 (discriminator 1) ./include/linux/rcupdate.h:897 (discriminator 1) ./include/net/ip6_route.h:343 (discriminator 1) net/ipv6/route.c:3266 (discriminator 1))
[  586.207418][ T9690]  ip6_finish_output (net/ipv6/ip6_output.c:209 net/ipv6/ip6_output.c:220)
[  586.207511][ T9690]  ip6_output (./include/linux/netfilter.h:307 net/ipv6/ip6_output.c:247)
[  586.207580][ T9690]  ? ip6_finish_output (net/ipv6/ip6_output.c:228)
[  586.207682][ T9690]  ? find_held_lock (kernel/locking/lockdep.c:5350 (discriminator 1))
[  586.207777][ T9690]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5536)
[  586.207871][ T9690]  ? ip6_mtu (./include/linux/rcupdate.h:341 (discriminator 1) ./include/linux/rcupdate.h:897 (discriminator 1) ./include/net/ip6_route.h:343 (discriminator 1) net/ipv6/route.c:3266 (discriminator 1))
[  586.207942][ T9690]  ip6_xmit (./include/net/dst.h:464 (discriminator 4) ./include/linux/netfilter.h:318 (discriminator 4) ./include/linux/netfilter.h:312 (discriminator 4) net/ipv6/ip6_output.c:371 (discriminator 4))
[  586.208016][ T9690]  ? ip6_dst_lookup (net/ipv6/ip6_output.c:271)
[  586.208109][ T9690]  ? ip6_create_rt_rcu (net/ipv6/route.c:2786)
[  586.208205][ T9690]  ? __free_zapped_classes (./include/linux/bitmap.h:356 kernel/locking/lockdep.c:6351)
[  586.208296][ T9690]  ? __lock_acquire (kernel/locking/lockdep.c:5237 (discriminator 1))
[  586.208387][ T9690]  ? __ia32_sys_recv (net/socket.c:2316)
[  586.208479][ T9690]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:470 kernel/locking/lockdep.c:5870)
[  586.208572][ T9690]  ? inet6_csk_xmit (./include/linux/rcupdate.h:331 (discriminator 1) ./include/linux/rcupdate.h:867 (discriminator 1) net/ipv6/inet6_connection_sock.c:114 (discriminator 1))
[  586.208670][ T9690]  ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 33))
[  586.208762][ T9690]  ? lock_acquire (kernel/locking/lockdep.c:5833)
[  586.208855][ T9690]  inet6_csk_xmit (net/ipv6/inet6_connection_sock.c:120 (discriminator 16))
[  586.208951][ T9690]  ? inet6_csk_route_socket (net/ipv6/inet6_connection_sock.c:100)
[  586.209045][ T9690]  ? __asan_memcpy (mm/kasan/shadow.c:105 (discriminator 3))
[  586.209138][ T9690]  __tcp_transmit_skb (net/ipv4/tcp_output.c:1631)
[  586.209239][ T9690]  ? __tcp_select_window (net/ipv4/tcp_output.c:1452)
[  586.209334][ T9690]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:470 kernel/locking/lockdep.c:5870)
[  586.209428][ T9690]  tcp_write_xmit (net/ipv4/tcp_output.c:3002 (discriminator 2))
[  586.209521][ T9690]  ? __alloc_skb (./arch/x86/include/asm/atomic.h:28 ./include/linux/atomic/atomic-arch-fallback.h:503 ./include/linux/atomic/atomic-instrumented.h:68 ./include/linux/refcount.h:134 net/core/skbuff.c:714)
[  586.209616][ T9690]  ? tcp_retrans_try_collapse (net/ipv4/tcp_output.c:2906)
[  586.209731][ T9690]  ? skb_do_copy_data_nocache (./include/linux/ucopysize.h:57 (discriminator 1) ./include/linux/uio.h:255 (discriminator 1) ./include/linux/uio.h:263 (discriminator 1) ./include/net/sock.h:2289 (discriminator 1))
[  586.209822][ T9690]  ? tcp_downgrade_zcopy_pure (./include/net/sock.h:2282)
[  586.209920][ T9690]  __tcp_push_pending_frames (net/ipv4/tcp_output.c:3185 (discriminator 2))
[  586.210012][ T9690]  tcp_sendmsg_locked (net/ipv4/tcp.c:1375)
[  586.210109][ T9690]  ? tcp_sendmsg_fastopen (net/ipv4/tcp.c:1078)
[  586.210206][ T9690]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:470 kernel/locking/lockdep.c:5870)
[  586.210298][ T9690]  ? 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))
[  586.210390][ T9690]  ? find_held_lock (kernel/locking/lockdep.c:5350 (discriminator 1))
[  586.210481][ T9690]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5536)
[  586.210574][ T9690]  ? mark_held_locks (kernel/locking/lockdep.c:4325 (discriminator 1))
[  586.210666][ T9690]  tcp_sendmsg (net/ipv4/tcp.c:1413)
[  586.210741][ T9690]  sock_write_iter (net/socket.c:730 (discriminator 1) net/socket.c:742 (discriminator 1) net/socket.c:1195 (discriminator 1))
[  586.210833][ T9690]  ? ____sys_recvmsg (net/socket.c:1176)
[  586.210927][ T9690]  ? sock_write_iter (net/socket.c:1154)
[  586.211021][ T9690]  ? ns_to_timespec64 (kernel/time/time.c:905)
[  586.211116][ T9690]  ? 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:74 kernel/time/timekeeping.c:965)
[  586.211213][ T9690]  ? ____sys_recvmsg (net/socket.c:1176)
[  586.211303][ T9690]  new_sync_write (fs/read_write.c:594 (discriminator 1))
[  586.211398][ T9690]  ? new_sync_read (fs/read_write.c:492 (discriminator 1))
[  586.211493][ T9690]  ? poll_select_finish (fs/select.c:343 (discriminator 1))
[  586.211591][ T9690]  ? new_sync_read (fs/read_write.c:584)
[  586.211686][ T9690]  ? generic_atomic_write_valid (fs/read_write.c:482)
[  586.211803][ T9690]  ? do_pselect.constprop.0 (fs/select.c:760 (discriminator 1))
[  586.211897][ T9690]  vfs_write (fs/read_write.c:686)
[  586.211968][ T9690]  ? vfs_read (fs/read_write.c:572)
[  586.212037][ T9690]  ksys_write (fs/read_write.c:739)
[  586.212107][ T9690]  ? __ia32_sys_read (fs/read_write.c:728)
[  586.212218][ T9690]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:751 (discriminator 1))
[  586.212312][ T9690]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 (discriminator 1) arch/x86/entry/syscall_64.c:94 (discriminator 1))
[  586.212405][ T9690]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[  586.212519][ T9690] RIP: 0033:0x7f1a059f7c5e
[  586.212622][ T9690] Code: 4d 89 d8 e8 14 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 14 bd 00 00       	call   0xbd1c
   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
[  586.212947][ T9690] RSP: 002b:00007ffc432fe620 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  586.213085][ T9690] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f1a059f7c5e
[  586.213233][ T9690] RDX: 000000000000000c RSI: 0000000000406612 RDI: 0000000000000005
[  586.213374][ T9690] RBP: 00007ffc432fe630 R08: 0000000000000000 R09: 0000000000000000
[  586.213535][ T9690] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000020


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