======================================
| [  265.576376][ T1642] 8021q: 802.1Q VLAN Support v1.8
| [  288.934169][    C2] ------------[ cut here ]------------
| [  288.934611][    C2] kernel BUG at net/core/skbuff.c:3505!
| [  288.934801][    C2] invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
[  288.935219][    C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 288.935530][ C2] RIP: 0010:__skb_checksum (net/core/skbuff.c:3505 (discriminator 1)) 
[ 288.935696][ C2] Code: 44 89 14 24 ff d0 0f 1f 00 4c 8b 44 24 08 44 8b 14 24 41 89 c1 eb a5 89 e8 e9 2d fe ff ff 41 ff d5 0f 1f 00 e9 1f fa ff ff 90 <0f> 0b 48 8b 7c 24 10 89 54 24 48 48 89 44 24 40 e8 17 a6 91 fe 8b
All code
========
   0:	44 89 14 24          	mov    %r10d,(%rsp)
   4:	ff d0                	call   *%rax
   6:	0f 1f 00             	nopl   (%rax)
   9:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
   e:	44 8b 14 24          	mov    (%rsp),%r10d
  12:	41 89 c1             	mov    %eax,%r9d
  15:	eb a5                	jmp    0xffffffffffffffbc
  17:	89 e8                	mov    %ebp,%eax
  19:	e9 2d fe ff ff       	jmp    0xfffffffffffffe4b
  1e:	41 ff d5             	call   *%r13
  21:	0f 1f 00             	nopl   (%rax)
  24:	e9 1f fa ff ff       	jmp    0xfffffffffffffa48
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	48 8b 7c 24 10       	mov    0x10(%rsp),%rdi
  31:	89 54 24 48          	mov    %edx,0x48(%rsp)
  35:	48 89 44 24 40       	mov    %rax,0x40(%rsp)
  3a:	e8 17 a6 91 fe       	call   0xfffffffffe91a656
  3f:	8b                   	.byte 0x8b

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	48 8b 7c 24 10       	mov    0x10(%rsp),%rdi
   7:	89 54 24 48          	mov    %edx,0x48(%rsp)
   b:	48 89 44 24 40       	mov    %rax,0x40(%rsp)
  10:	e8 17 a6 91 fe       	call   0xfffffffffe91a62c
  15:	8b                   	.byte 0x8b
[  288.936210][    C2] RSP: 0018:ffffc900001f7740 EFLAGS: 00010202
[  288.936398][    C2] RAX: 000000000000e831 RBX: 0000000000000008 RCX: 1ffff110012df259
[  288.936621][    C2] RDX: 0000000000000070 RSI: dffffc0000000000 RDI: ffff8880096f92c8
[  288.936832][    C2] RBP: 000000000000e831 R08: 0000000000000008 R09: ffffed10004475e9
[  288.937034][    C2] R10: ffff88800372f5c8 R11: ffff8880096f9000 R12: 0000000000000008
[  288.937238][    C2] R13: 0000000000000000 R14: ffffc900001f7800 R15: ffff88800372f5c8
[  288.937445][    C2] FS:  0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[  288.937706][    C2] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  288.937881][    C2] CR2: 00000000004210d0 CR3: 0000000007d7a003 CR4: 0000000000770ef0
[  288.938093][    C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  288.938300][    C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  288.938509][    C2] PKRU: 55555554
[  288.938618][    C2] Call Trace:
[  288.938721][    C2]  <TASK>
[ 288.938794][ C2] ? die (arch/x86/kernel/dumpstack.c:421 arch/x86/kernel/dumpstack.c:434 arch/x86/kernel/dumpstack.c:447) 
[ 288.938906][ C2] ? do_trap (arch/x86/kernel/traps.c:113 arch/x86/kernel/traps.c:154) 
[ 288.939013][ C2] ? __skb_checksum (net/core/skbuff.c:3505 (discriminator 1)) 
[ 288.939151][ C2] ? do_error_trap (./arch/x86/include/asm/traps.h:58 arch/x86/kernel/traps.c:175) 
[ 288.939293][ C2] ? __skb_checksum (net/core/skbuff.c:3505 (discriminator 1)) 
[ 288.939428][ C2] ? __skb_checksum (net/core/skbuff.c:3505 (discriminator 1)) 
[ 288.939571][ C2] ? handle_invalid_op (arch/x86/kernel/traps.c:213) 
[ 288.939708][ C2] ? __skb_checksum (net/core/skbuff.c:3505 (discriminator 1)) 
[ 288.939895][ C2] ? exc_invalid_op (arch/x86/kernel/traps.c:265) 
[ 288.940031][ C2] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) 
[ 288.940176][ C2] ? __skb_checksum (net/core/skbuff.c:3505 (discriminator 1)) 
[ 288.940323][ C2] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) 
[ 288.940468][ C2] ? 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:228) 
[ 288.940612][ C2] __skb_checksum_complete (net/core/skbuff.c:3643) 
[ 288.940757][ C2] ? __pfx___skb_checksum_complete (net/core/skbuff.c:3637) 
[ 288.940933][ C2] ? __pfx_csum_partial_ext (./include/net/checksum.h:120) 
[ 288.941079][ C2] ? __pfx_csum_block_add_ext (./include/net/checksum.h:103) 
[ 288.941269][ C2] ? ipv6_raw_deliver (net/ipv6/raw.c:142) 
[ 288.941453][ C2] icmpv6_rcv (./include/linux/skbuff.h:4567 net/ipv6/icmp.c:921) 
[ 288.941604][ C2] ip6_protocol_deliver_rcu (net/ipv6/ip6_input.c:438 (discriminator 5)) 
[ 288.941742][ C2] ip6_input_finish (./include/linux/rcupdate.h:779 net/ipv6/ip6_input.c:484) 
[ 288.941880][ C2] ip6_input (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv6/ip6_input.c:492) 
[ 288.941980][ C2] ? __pfx_ip6_input (net/ipv6/ip6_input.c:491) 
[ 288.942121][ C2] ? ip6_rcv_core (./include/net/sock.h:2827 net/ipv6/ip6_input.c:290) 
[ 288.942273][ C2] ipv6_rcv (./include/net/dst.h:460 net/ipv6/ip6_input.c:79 ./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv6/ip6_input.c:310) 
[ 288.942372][ C2] ? __pfx_ipv6_rcv (net/ipv6/ip6_input.c:304) 
[ 288.942509][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) 
[ 288.942654][ C2] ? process_backlog (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/dev.c:6051) 
[ 288.942790][ C2] ? __pfx_ipv6_rcv (net/ipv6/ip6_input.c:304) 
[ 288.942922][ C2] __netif_receive_skb_one_core (net/core/dev.c:5603) 
[ 288.943093][ C2] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5603) 
[ 288.943263][ C2] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 288.943403][ C2] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725) 
[ 288.943563][ C2] ? process_backlog (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/dev.c:6051) 
[ 288.943749][ C2] process_backlog (./include/linux/rcupdate.h:779 net/core/dev.c:6053) 
[ 288.943912][ C2] __napi_poll.constprop.0 (net/core/dev.c:6703) 
[ 288.944051][ C2] net_rx_action (net/core/dev.c:6772 net/core/dev.c:6886) 
[ 288.944184][ C2] ? __pfx_net_rx_action (net/core/dev.c:6850) 
[ 288.944319][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) 
[ 288.944576][ C2] ? __pfx_try_to_wake_up (kernel/sched/core.c:4223) 
[ 288.944723][ C2] ? trace_rcu_grace_period (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 ./include/linux/cpumask.h:505 ./include/linux/cpumask.h:1120 ./include/trace/events/rcu.h:69) 
[ 288.944866][ C2] __do_softirq (kernel/softirq.c:553) 
[ 288.945013][ C2] ? __pfx_run_ksoftirqd (kernel/softirq.c:914) 
[ 288.945158][ C2] run_ksoftirqd (kernel/softirq.c:410 kernel/softirq.c:922 kernel/softirq.c:913) 
[ 288.945413][ C2] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 288.945549][ C2] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) 
[ 288.945697][ C2] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) 
[ 288.945830][ C2] kthread (kernel/kthread.c:388) 
[ 288.945939][ C2] ? __pfx_kthread (kernel/kthread.c:341) 
[ 288.946165][ C2] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 288.946300][ C2] ? __pfx_kthread (kernel/kthread.c:341) 


Finger prints:
__skb_checksum:__skb_checksum_complete:icmpv6_rcv:ip6_protocol_deliver_rcu