======================================
| [   66.589076][ T1330] veth0: renamed from veth-rt-1
| [   66.819956][ T1338] veth0: renamed from veth-rt-2
| [   97.989590][   T65] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000006: 0000 [#1] SMP KASAN
| [   97.989800][   T65] KASAN: null-ptr-deref in range [0x0000000000000030-0x0000000000000037]
[   97.990037][   T65] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.990126][   T65] Workqueue: mld mld_ifc_work
[   97.990209][   T65] RIP: 0010:mroute6_is_socket (net/ipv6/ip6mr.c:1686 (discriminator 4))
[   97.990286][   T65] Code: df 48 89 f9 48 c1 e9 03 80 3c 11 00 75 2f 48 8b 80 e8 10 00 00 48 ba 00 00 00 00 00 fc ff df 48 8d 78 30 48 89 f9 48 c1 e9 03 <80> 3c 11 00 75 1c 48 83 78 30 00 0f 95 c0 48 83 c4 08 c3 48 89 04
All code
========
   0:	df 48 89             	fisttps -0x77(%rax)
   3:	f9                   	stc
   4:	48 c1 e9 03          	shr    $0x3,%rcx
   8:	80 3c 11 00          	cmpb   $0x0,(%rcx,%rdx,1)
   c:	75 2f                	jne    0x3d
   e:	48 8b 80 e8 10 00 00 	mov    0x10e8(%rax),%rax
  15:	48 ba 00 00 00 00 00 	movabs $0xdffffc0000000000,%rdx
  1c:	fc ff df 
  1f:	48 8d 78 30          	lea    0x30(%rax),%rdi
  23:	48 89 f9             	mov    %rdi,%rcx
  26:	48 c1 e9 03          	shr    $0x3,%rcx
  2a:*	80 3c 11 00          	cmpb   $0x0,(%rcx,%rdx,1)		<-- trapping instruction
  2e:	75 1c                	jne    0x4c
  30:	48 83 78 30 00       	cmpq   $0x0,0x30(%rax)
  35:	0f 95 c0             	setne  %al
  38:	48 83 c4 08          	add    $0x8,%rsp
  3c:	c3                   	ret
  3d:	48                   	rex.W
  3e:	89                   	.byte 0x89
  3f:	04                   	.byte 0x4

Code starting with the faulting instruction
===========================================
   0:	80 3c 11 00          	cmpb   $0x0,(%rcx,%rdx,1)
   4:	75 1c                	jne    0x22
   6:	48 83 78 30 00       	cmpq   $0x0,0x30(%rax)
   b:	0f 95 c0             	setne  %al
   e:	48 83 c4 08          	add    $0x8,%rsp
  12:	c3                   	ret
  13:	48                   	rex.W
  14:	89                   	.byte 0x89
  15:	04                   	.byte 0x4
[   97.990545][   T65] RSP: 0018:ffa00000004678b0 EFLAGS: 00010216
[   97.990639][   T65] RAX: 0000000000000000 RBX: ff1100000de5c040 RCX: 0000000000000006
[   97.990750][   T65] RDX: dffffc0000000000 RSI: ff1100000de5c040 RDI: 0000000000000030
[   97.990857][   T65] RBP: ff110000061e9380 R08: ffffffffb91b8550 R09: 1fe2200001bf30b5
[   97.990969][   T65] R10: ff1100000f0d0828 R11: ff1100000fdf10b0 R12: 1ff400000008cf20
[   97.991076][   T65] R13: ff1100000fdf1000 R14: ff11000004f2e800 R15: ff1100000f0d0810
[   97.991188][   T65] FS:  0000000000000000(0000) GS:ff110000affe4000(0000) knlGS:0000000000000000
[   97.991321][   T65] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.991418][   T65] CR2: 00007f9b715d7720 CR3: 000000001814f004 CR4: 0000000000771ef0
[   97.991529][   T65] PKRU: 55555554
[   97.991584][   T65] Call Trace:
[   97.991639][   T65]  <TASK>
[   97.991677][   T65]  ip6_finish_output2 (net/ipv6/ip6_output.c:84 (discriminator 3))
[   97.991751][   T65]  ? ip6_xmit (net/ipv6/ip6_output.c:61)
[   97.991821][   T65]  ? find_held_lock (kernel/locking/lockdep.c:5350 (discriminator 1))
[   97.991895][   T65]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5536)
[   97.991969][   T65]  ? ip6_mtu (./include/linux/rcupdate.h:322 (discriminator 2) ./include/linux/rcupdate.h:881 (discriminator 2) ./include/net/ip6_route.h:382 (discriminator 2) net/ipv6/route.c:3281 (discriminator 2))
[   97.992025][   T65]  ip6_finish_output (net/ipv6/ip6_output.c:208 net/ipv6/ip6_output.c:219)
[   97.992098][   T65]  ip6_output (./include/linux/netfilter.h:307 net/ipv6/ip6_output.c:246)
[   97.992151][   T65]  ? ip6_finish_output (net/ipv6/ip6_output.c:227)
[   97.992223][   T65]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5536)
[   97.992293][   T65]  ? xfrm_bundle_lookup.constprop.0 (net/xfrm/xfrm_policy.c:3177)
[   97.992381][   T65]  ? mark_held_locks (kernel/locking/lockdep.c:4325 (discriminator 1))
[   97.992451][   T65]  ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455)
[   97.992527][   T65]  ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455)
[   97.992599][   T65]  ? icmp6_dst_alloc (net/ipv6/route.c:3357 (discriminator 1))
[   97.992670][   T65]  mld_sendpack (./include/linux/netfilter.h:319 ./include/linux/netfilter.h:312 net/ipv6/mcast.c:1855)
[   97.992741][   T65]  ? nf_hook.constprop.0 (net/ipv4/ip_forward.c:66)
[   97.992812][   T65]  ? mld_send_cr (net/ipv6/mcast.c:2131 (discriminator 14))
[   97.992882][   T65]  mld_ifc_work (net/ipv6/mcast.c:2695)
[   97.992953][   T65]  ? process_one_work (kernel/workqueue.c:3252 (discriminator 2))
[   97.993025][   T65]  process_one_work (kernel/workqueue.c:3281)
[   97.993095][   T65]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:3177)
[   97.993165][   T65]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:5870 (discriminator 2))
[   97.993240][   T65]  worker_thread (kernel/workqueue.c:3353 (discriminator 5) kernel/workqueue.c:3440 (discriminator 5))
[   97.993312][   T65]  ? rescuer_thread (kernel/workqueue.c:3386)
[   97.993382][   T65]  ? __kthread_parkme (./arch/x86/include/asm/bitops.h:202 (discriminator 1) ./arch/x86/include/asm/bitops.h:232 (discriminator 1) ./include/asm-generic/bitops/instrumented-non-atomic.h:142 (discriminator 1) kernel/kthread.c:272 (discriminator 1))
[   97.993452][   T65]  ? rescuer_thread (kernel/workqueue.c:3386)
[   97.993521][   T65]  kthread (kernel/kthread.c:436)
[   97.993574][   T65]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 24))
[   97.993663][   T65]  ? kthread_affine_node (kernel/kthread.c:381)
[   97.993732][   T65]  ret_from_fork (arch/x86/kernel/process.c:164)
[   97.993806][   T65]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   97.993894][   T65]  ? __switch_to (./arch/x86/include/asm/cpufeature.h:101 (discriminator 1) arch/x86/kernel/process_64.c:377 (discriminator 1) arch/x86/kernel/process_64.c:665 (discriminator 1))
[   97.993965][   T65]  ? kthread_affine_node (kernel/kthread.c:381)
[   97.994036][   T65]  ret_from_fork_asm (arch/x86/entry/entry_64.S:255)
| [   97.995267][  T269] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000006: 0000 [#2] SMP KASAN
| [   97.995271][  T269] KASAN: null-ptr-deref in range [0x0000000000000030-0x0000000000000037]
| [   97.995279][  T269] Tainted: [D]=DIE
| [   97.995534][   T65] RAX: 0000000000000000 RBX: ff1100000de5c040 RCX: 0000000000000006
[   97.995573][  T269] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.995575][  T269] Workqueue: mld mld_ifc_work
[   97.995579][  T269] RIP: 0010:mroute6_is_socket (net/ipv6/ip6mr.c:1686 (discriminator 4))
[   97.995582][  T269] Code: df 48 89 f9 48 c1 e9 03 80 3c 11 00 75 2f 48 8b 80 e8 10 00 00 48 ba 00 00 00 00 00 fc ff df 48 8d 78 30 48 89 f9 48 c1 e9 03 <80> 3c 11 00 75 1c 48 83 78 30 00 0f 95 c0 48 83 c4 08 c3 48 89 04
All code
========
   0:	df 48 89             	fisttps -0x77(%rax)
   3:	f9                   	stc
   4:	48 c1 e9 03          	shr    $0x3,%rcx
   8:	80 3c 11 00          	cmpb   $0x0,(%rcx,%rdx,1)
   c:	75 2f                	jne    0x3d
   e:	48 8b 80 e8 10 00 00 	mov    0x10e8(%rax),%rax
  15:	48 ba 00 00 00 00 00 	movabs $0xdffffc0000000000,%rdx
  1c:	fc ff df 
  1f:	48 8d 78 30          	lea    0x30(%rax),%rdi
  23:	48 89 f9             	mov    %rdi,%rcx
  26:	48 c1 e9 03          	shr    $0x3,%rcx
  2a:*	80 3c 11 00          	cmpb   $0x0,(%rcx,%rdx,1)		<-- trapping instruction
  2e:	75 1c                	jne    0x4c
  30:	48 83 78 30 00       	cmpq   $0x0,0x30(%rax)
  35:	0f 95 c0             	setne  %al
  38:	48 83 c4 08          	add    $0x8,%rsp
  3c:	c3                   	ret
  3d:	48                   	rex.W
  3e:	89                   	.byte 0x89
  3f:	04                   	.byte 0x4

Code starting with the faulting instruction
===========================================
   0:	80 3c 11 00          	cmpb   $0x0,(%rcx,%rdx,1)
   4:	75 1c                	jne    0x22
   6:	48 83 78 30 00       	cmpq   $0x0,0x30(%rax)
   b:	0f 95 c0             	setne  %al
   e:	48 83 c4 08          	add    $0x8,%rsp
  12:	c3                   	ret
  13:	48                   	rex.W
  14:	89                   	.byte 0x89
  15:	04                   	.byte 0x4
[   97.995583][  T269] RSP: 0018:ffa0000000c678b0 EFLAGS: 00010216
[   97.995585][  T269] RAX: 0000000000000000 RBX: ff1100000944fe00 RCX: 0000000000000006
[   97.995586][  T269] RDX: dffffc0000000000 RSI: ff1100000944fe00 RDI: 0000000000000030
[   97.995587][  T269] RBP: ff110000061e9540 R08: ffffffffb91b8550 R09: 1fe2200001bf30b5
[   97.995588][  T269] R10: ff1100000df23828 R11: ff110000050810b0 R12: 1ff400000018cf20
[   97.995589][  T269] R13: ff11000005081000 R14: ff1100000fd3a000 R15: ff1100000df23810
[   97.995591][  T269] FS:  0000000000000000(0000) GS:ff110000b0064000(0000) knlGS:0000000000000000
[   97.995594][  T269] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.995595][  T269] CR2: 00007ffcbc37fe48 CR3: 000000000fe37005 CR4: 0000000000771ef0
[   97.995596][  T269] PKRU: 55555554
[   97.995596][  T269] Call Trace:
[   97.995597][  T269]  <TASK>
[   97.995598][  T269]  ip6_finish_output2 (net/ipv6/ip6_output.c:84 (discriminator 3))
[   97.995601][  T269]  ? ip6_xmit (net/ipv6/ip6_output.c:61)
[   97.995947][   T65] RDX: dffffc0000000000 RSI: ff1100000de5c040 RDI: 0000000000000030
[   97.996020][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.996023][  T269]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 24) kernel/locking/lockdep.c:5831 (discriminator 24))
[   97.996025][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.996027][  T269]  ? lock_release (./include/trace/events/lock.h:69 (discriminator 24) kernel/locking/lockdep.c:5879 (discriminator 24))
[   97.996029][  T269]  ip6_finish_output (net/ipv6/ip6_output.c:208 net/ipv6/ip6_output.c:219)
[   97.996031][  T269]  ip6_output (./include/linux/netfilter.h:307 net/ipv6/ip6_output.c:246)
[   97.996032][  T269]  ? ip6_finish_output (net/ipv6/ip6_output.c:227)
[   97.996033][  T269]  ? xfrm_bundle_lookup.constprop.0 (net/xfrm/xfrm_policy.c:3177)
[   97.996036][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.996037][  T269]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 24))
[   97.996040][  T269]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 24))
[   97.996042][  T269]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:79 (discriminator 1))
[   97.996044][  T269]  ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455)
[   97.996046][  T269]  ? icmp6_dst_alloc (net/ipv6/route.c:3357 (discriminator 1))
[   97.996048][  T269]  mld_sendpack (./include/linux/netfilter.h:319 ./include/linux/netfilter.h:312 net/ipv6/mcast.c:1855)
[   97.996196][   T65] RBP: ff110000061e9380 R08: ffffffffb91b8550 R09: 1fe2200001bf30b5
[   97.996446][  T269]  ? nf_hook.constprop.0 (net/ipv4/ip_forward.c:66)
[   97.996449][  T269]  ? mld_send_cr (net/ipv6/mcast.c:2131 (discriminator 12))
[   97.996451][  T269]  mld_ifc_work (net/ipv6/mcast.c:2695)
[   97.996452][  T269]  ? process_one_work (kernel/workqueue.c:3252 (discriminator 2))
[   97.996455][  T269]  process_one_work (kernel/workqueue.c:3281)
[   97.996458][  T269]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:3177)
[   97.996460][  T269]  ? io_schedule_timeout (kernel/sched/core.c:6765)
[   97.996463][  T269]  ? find_held_lock (kernel/locking/lockdep.c:5350 (discriminator 1))
[   97.996465][  T269]  ? __rwlock_init (kernel/locking/spinlock_debug.c:114)
[   97.996467][  T269]  worker_thread (kernel/workqueue.c:3353 (discriminator 5) kernel/workqueue.c:3440 (discriminator 5))
[   97.996469][  T269]  ? rescuer_thread (kernel/workqueue.c:3386)
[   97.996471][  T269]  ? __kthread_parkme (./arch/x86/include/asm/bitops.h:202 (discriminator 1) ./arch/x86/include/asm/bitops.h:232 (discriminator 1) ./include/asm-generic/bitops/instrumented-non-atomic.h:142 (discriminator 1) kernel/kthread.c:272 (discriminator 1))
[   97.996473][  T269]  ? rescuer_thread (kernel/workqueue.c:3386)
[   97.996639][   T65] R10: ff1100000f0d0828 R11: ff1100000fdf10b0 R12: 1ff400000008cf20
[   97.996678][  T269]  kthread (kernel/kthread.c:436)
[   97.996680][  T269]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 24))
[   97.996682][  T269]  ? kthread_affine_node (kernel/kthread.c:381)
[   97.996684][  T269]  ret_from_fork (arch/x86/kernel/process.c:164)
[   97.996686][  T269]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   97.996688][  T269]  ? __switch_to (./arch/x86/include/asm/cpufeature.h:101 (discriminator 1) arch/x86/kernel/process_64.c:377 (discriminator 1) arch/x86/kernel/process_64.c:665 (discriminator 1))
[   97.996690][  T269]  ? kthread_affine_node (kernel/kthread.c:381)


Finger prints:
mroute6_is_socket:ip6_finish_output2:ip6_finish_output:ip6_output:mld_sendpack