======================================
| [  579.722942][ T9036] eth1: renamed from tmp
| [  589.186009][ T9172] eth1: renamed from tmp
| [  594.558319][ T9220] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000021: 0000 [#1] SMP KASAN
| [  594.558625][ T9220] KASAN: null-ptr-deref in range [0x0000000000000108-0x000000000000010f]
[  594.558982][ T9220] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  594.559115][ T9220] 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))
[  594.559243][ T9220] Code: fe ff 0f b7 ed 49 89 c7 e8 de e8 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 de e8 3e 00       	call   0x3ee8eb
   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
[  594.559629][ T9220] RSP: 0018:ffa000000b0d6970 EFLAGS: 00010216
[  594.559773][ T9220] RAX: dffffc0000000000 RBX: ff110000167aca2c RCX: 0000000000000000
[  594.559936][ T9220] RDX: 0000000000000021 RSI: dffffc0000000000 RDI: 1fe2200002a13235
[  594.560099][ T9220] RBP: 0000000000000008 R08: ff11000016f25038 R09: ff11000016f25038
[  594.560270][ T9220] R10: 0000000000000002 R11: 0000000000000001 R12: ff110000167aca00
[  594.560432][ T9220] R13: 1ff400000161ad30 R14: ffa000000b0d6a90 R15: 0000000000000000
[  594.560597][ T9220] FS:  00007fae45446740(0000) GS:ff110000b24d9000(0000) knlGS:0000000000000000
[  594.560799][ T9220] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  594.560937][ T9220] CR2: 0000558b84356898 CR3: 0000000013735003 CR4: 0000000000771ef0
[  594.561097][ T9220] PKRU: 55555554
[  594.561184][ T9220] Call Trace:
[  594.561267][ T9220]  <TASK>
[  594.561323][ T9220]  ? rt6_do_update_pmtu (net/ipv6/route.c:1407)
[  594.561434][ T9220]  ? __rt6_find_exception_rcu.constprop.0 (net/ipv6/route.c:1612 (discriminator 2))
[  594.561572][ T9220]  ip6_pol_route (net/ipv6/route.c:1467 net/ipv6/route.c:2318)
[  594.561695][ T9220]  ? ip6_pol_route_lookup (net/ipv6/route.c:2267)
[  594.561803][ T9220]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5536)
[  594.561910][ T9220]  ? ip6_pol_route_input (net/ipv6/route.c:2663)
[  594.562017][ T9220]  __fib6_rule_action (net/ipv6/fib6_rules.c:239)
[  594.562125][ T9220]  fib_rules_lookup (net/core/fib_rules.c:339)
[  594.562241][ T9220]  ? fib_nl_dumprule (net/core/fib_rules.c:315)
[  594.562347][ T9220]  ? l3mdev_update_flow (./include/linux/rcupdate.h:322 (discriminator 1) ./include/linux/rcupdate.h:881 (discriminator 1) net/l3mdev/l3mdev.c:301 (discriminator 1))
[  594.562453][ T9220]  ? ip6_pol_route_input (net/ipv6/route.c:2663)
[  594.562564][ T9220]  fib6_rule_lookup (net/ipv6/fib6_rules.c:115)
[  594.562671][ T9220]  ? fib6_lookup (net/ipv6/fib6_rules.c:99)
[  594.562785][ T9220]  ? __lock_acquire (kernel/locking/lockdep.c:5237 (discriminator 1))
[  594.562892][ T9220]  ? ip6_pol_route_input (net/ipv6/route.c:2663)
[  594.562997][ T9220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:752 (discriminator 1))
[  594.563101][ T9220]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 33) kernel/locking/lockdep.c:5831 (discriminator 33))
[  594.563214][ T9220]  ip6_route_output_flags (net/ipv6/route.c:2697 net/ipv6/route.c:2709)
[  594.563322][ T9220]  ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1156 (discriminator 1))
[  594.563455][ T9220]  ? tcp_wfree (net/ipv4/tcp_output.c:1421)
[  594.563560][ T9220]  ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1260)
[  594.563664][ T9220]  ? ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1255)
[  594.563807][ T9220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:752 (discriminator 1))
[  594.563912][ T9220]  ? trace_netif_rx_exit (./include/trace/events/net.h:319 (discriminator 33))
[  594.564020][ T9220]  ? __netif_rx (net/core/dev.c:5700)
[  594.564100][ T9220]  vrf_process_v6_outbound (drivers/net/vrf.c:437 (discriminator 2))
[  594.564212][ T9220]  ? vrf_ip6_local_out (drivers/net/vrf.c:413)
[  594.564317][ T9220]  ? __lock_acquire (kernel/locking/lockdep.c:5237 (discriminator 1))
[  594.564425][ T9220]  vrf_xmit (drivers/net/vrf.c:556 drivers/net/vrf.c:568)
[  594.564506][ T9220]  dev_hard_start_xmit (./include/linux/netdevice.h:5275 ./include/linux/netdevice.h:5284 net/core/dev.c:3871 net/core/dev.c:3887)
[  594.564613][ T9220]  ? validate_xmit_skb (net/core/dev.c:4045 (discriminator 1))
[  594.564717][ T9220]  __dev_queue_xmit (net/core/dev.h:385 net/core/dev.c:4841)
[  594.564823][ T9220]  ? can_migrate_task (kernel/sched/fair.c:9448 (discriminator 1))
[  594.564929][ T9220]  ? __lock_acquire (kernel/locking/lockdep.c:5237 (discriminator 1))
[  594.565037][ T9220]  ? netdev_core_pick_tx (net/core/dev.c:4744)
[  594.565145][ T9220]  ? find_held_lock (kernel/locking/lockdep.c:5350 (discriminator 1))
[  594.565257][ T9220]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5536)
[  594.565359][ T9220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:752 (discriminator 1))
[  594.565459][ T9220]  ? mark_held_locks (kernel/locking/lockdep.c:4325 (discriminator 1))
[  594.565558][ T9220]  ? __asan_memcpy (mm/kasan/shadow.c:105 (discriminator 3))
[  594.565659][ T9220]  ? neigh_hh_output (./include/net/neighbour.h:521)
[  594.565764][ T9220]  ip6_finish_output2 (./include/net/neighbour.h:554 net/ipv6/ip6_output.c:136)
[  594.565866][ T9220]  ? ip6_xmit (net/ipv6/ip6_output.c:61)
[  594.565967][ T9220]  ? find_held_lock (kernel/locking/lockdep.c:5350 (discriminator 1))
[  594.566074][ T9220]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5536)
[  594.566185][ T9220]  ? 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))
[  594.566267][ T9220]  ip6_finish_output (net/ipv6/ip6_output.c:208 net/ipv6/ip6_output.c:219)
[  594.566370][ T9220]  ip6_output (./include/linux/netfilter.h:307 net/ipv6/ip6_output.c:246)
[  594.566452][ T9220]  ? ip6_finish_output (net/ipv6/ip6_output.c:227)
[  594.566557][ T9220]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:470 kernel/locking/lockdep.c:5870)
[  594.566661][ T9220]  ? find_held_lock (kernel/locking/lockdep.c:5350 (discriminator 1))
[  594.566769][ T9220]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5536)
[  594.566874][ T9220]  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))
[  594.566954][ T9220]  ? ip6_dst_lookup (net/ipv6/ip6_output.c:270)
[  594.567058][ T9220]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5536)
[  594.567163][ T9220]  ? __lock_acquire (kernel/locking/lockdep.c:5237 (discriminator 1))
[  594.567276][ T9220]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:470 kernel/locking/lockdep.c:5870)
[  594.567380][ T9220]  ? 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))
[  594.567486][ T9220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:752 (discriminator 1))
[  594.567588][ T9220]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 33) kernel/locking/lockdep.c:5831 (discriminator 33))
[  594.567691][ T9220]  inet6_csk_xmit (net/ipv6/inet6_connection_sock.c:115 (discriminator 16))
[  594.567802][ T9220]  __tcp_transmit_skb (net/ipv4/tcp_output.c:1716 (discriminator 1))
[  594.567910][ T9220]  ? __tcp_select_window (net/ipv4/tcp_output.c:1530)
[  594.568015][ T9220]  ? find_held_lock (kernel/locking/lockdep.c:5350 (discriminator 1))
[  594.568123][ T9220]  tcp_write_xmit (net/ipv4/tcp_output.c:3083 (discriminator 2))
[  594.568235][ T9220]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 2))
[  594.568340][ T9220]  ? tcp_retrans_try_collapse (net/ipv4/tcp_output.c:2987)
[  594.568471][ T9220]  ? skb_do_copy_data_nocache (./include/net/sock.h:2296)
[  594.568579][ T9220]  ? trace_tcp_sendmsg_locked (./include/net/sock.h:2295)
[  594.568688][ T9220]  __tcp_push_pending_frames (net/ipv4/tcp_output.c:3266 (discriminator 2))
[  594.568796][ T9220]  tcp_sendmsg_locked (net/ipv4/tcp.c:1427)
[  594.568906][ T9220]  ? tcp_sendmsg_fastopen (net/ipv4/tcp.c:1130)
[  594.569011][ T9220]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:470 kernel/locking/lockdep.c:5870)
[  594.569115][ T9220]  ? 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))
[  594.569226][ T9220]  ? find_held_lock (kernel/locking/lockdep.c:5350 (discriminator 1))
[  594.569332][ T9220]  ? mark_held_locks (kernel/locking/lockdep.c:4325 (discriminator 1))
[  594.569430][ T9220]  tcp_sendmsg (net/ipv4/tcp.c:1465)
[  594.569504][ T9220]  sock_write_iter (net/socket.c:730 (discriminator 1) net/socket.c:742 (discriminator 1) net/socket.c:1195 (discriminator 1))
[  594.569605][ T9220]  ? ____sys_recvmsg (net/socket.c:1176)
[  594.569704][ T9220]  ? sock_write_iter (net/socket.c:1154)
[  594.569807][ T9220]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 33))
[  594.569934][ T9220]  ? ns_to_timespec64 (kernel/time/time.c:905)
[  594.570037][ T9220]  ? 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)
[  594.570144][ T9220]  ? ____sys_recvmsg (net/socket.c:1176)
[  594.570253][ T9220]  new_sync_write (fs/read_write.c:596 (discriminator 1))
[  594.570360][ T9220]  ? new_sync_read (fs/read_write.c:494 (discriminator 1))
[  594.570463][ T9220]  ? poll_select_finish (fs/select.c:343 (discriminator 1))
[  594.570568][ T9220]  ? new_sync_read (fs/read_write.c:586)
[  594.570670][ T9220]  ? generic_write_checks_count (fs/read_write.c:484)
[  594.570804][ T9220]  ? do_pselect.constprop.0 (fs/select.c:760 (discriminator 1))
[  594.570909][ T9220]  vfs_write (fs/read_write.c:688)
[  594.570988][ T9220]  ? vfs_read (fs/read_write.c:574)
[  594.571068][ T9220]  ksys_write (fs/read_write.c:741)
[  594.571151][ T9220]  ? __ia32_sys_read (fs/read_write.c:730)
[  594.571266][ T9220]  ? restore_fpregs_from_fpstate (arch/x86/kernel/fpu/xstate.h:240 arch/x86/kernel/fpu/core.c:207)
[  594.571399][ T9220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:752 (discriminator 1))
[  594.571503][ T9220]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 (discriminator 1) arch/x86/entry/syscall_64.c:94 (discriminator 1))
[  594.571610][ T9220]  ? irq_exit_rcu (kernel/softirq.c:741 (discriminator 37))
[  594.571715][ T9220]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[  594.571849][ T9220] RIP: 0033:0x7fae454b7c5e
[  594.571962][ T9220] 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
[  594.572338][ T9220] RSP: 002b:00007ffef8e023d0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  594.572498][ T9220] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fae454b7c5e
[  594.572656][ T9220] RDX: 000000000000000c RSI: 0000000000406612 RDI: 0000000000000005
[  594.572817][ T9220] RBP: 00007ffef8e023e0 R08: 0000000000000000 R09: 0000000000000000
[  594.572975][ T9220] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000020


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