======================================
|
| [   64.336674][    C0] ------------[ cut here ]------------
| [   64.336977][    C0] kernel BUG at net/core/skbuff.c:3505!
| [   64.337155][    C0] invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
[   64.337587][    C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   64.337947][    C0] Workqueue: mld mld_ifc_work
[ 64.338118][ C0] RIP: 0010:__skb_checksum (net/core/skbuff.c:3505 (discriminator 1)) 
[ 64.338286][ C0] 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 e7 53 8d 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 e7 53 8d fe       	call   0xfffffffffe8d5426
  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 e7 53 8d fe       	call   0xfffffffffe8d53fc
  15:	8b                   	.byte 0x8b
[   64.338825][    C0] RSP: 0018:ffffc90000007920 EFLAGS: 00010206
[   64.339017][    C0] RAX: 000000000000606e RBX: 0000000000000008 RCX: 1ffff110020b06a9
[   64.339246][    C0] RDX: 000000000000007e RSI: dffffc0000000000 RDI: ffff888010583548
[   64.339481][    C0] RBP: 000000000000606e R08: 0000000000000008 R09: fffffbfff2dea5a2
[   64.339711][    C0] R10: ffffffff96f52d17 R11: ffffffff9490dbc4 R12: 0000000000000008
[   64.339940][    C0] R13: 0000000000000000 R14: ffffc900000079e0 R15: ffff888010b8fcc8
[   64.340168][    C0] FS:  0000000000000000(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   64.340436][    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   64.340628][    C0] CR2: 00007f9d3ca542a8 CR3: 000000000b932001 CR4: 0000000000770ef0
[   64.340863][    C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   64.341090][    C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   64.341315][    C0] PKRU: 55555554
[   64.341432][    C0] Call Trace:
[   64.341548][    C0]  <IRQ>
[ 64.341628][ C0] ? die (arch/x86/kernel/dumpstack.c:421 arch/x86/kernel/dumpstack.c:434 arch/x86/kernel/dumpstack.c:447) 
[ 64.341746][ C0] ? do_trap (arch/x86/kernel/traps.c:113 arch/x86/kernel/traps.c:154) 
[ 64.341868][ C0] ? __skb_checksum (net/core/skbuff.c:3505 (discriminator 1)) 
[ 64.342039][ C0] ? do_error_trap (./arch/x86/include/asm/traps.h:58 arch/x86/kernel/traps.c:175) 
[ 64.342195][ C0] ? __skb_checksum (net/core/skbuff.c:3505 (discriminator 1)) 
[ 64.342350][ C0] ? __skb_checksum (net/core/skbuff.c:3505 (discriminator 1)) 
[ 64.342504][ C0] ? handle_invalid_op (arch/x86/kernel/traps.c:213) 
[ 64.342658][ C0] ? __skb_checksum (net/core/skbuff.c:3505 (discriminator 1)) 
[ 64.342909][ C0] ? exc_invalid_op (arch/x86/kernel/traps.c:265) 
[ 64.343063][ C0] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) 
[ 64.343219][ C0] ? dst_init (net/core/dst.c:53) 
[ 64.343339][ C0] ? __skb_checksum (net/core/skbuff.c:3505 (discriminator 1)) 
[ 64.343499][ C0] __skb_checksum_complete (net/core/skbuff.c:3643) 
[ 64.343661][ C0] ? __pfx___skb_checksum_complete (net/core/skbuff.c:3637) 
[ 64.343857][ C0] ? __pfx_csum_partial_ext (./include/net/checksum.h:120) 
[ 64.344010][ C0] ? __pfx_csum_block_add_ext (./include/net/checksum.h:103) 
[ 64.344165][ C0] icmp_rcv (./include/linux/skbuff.h:4567 net/ipv4/icmp.c:1213) 
[ 64.344286][ C0] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 5)) 
[ 64.344443][ C0] ip_local_deliver_finish (./include/linux/rcupdate.h:779 net/ipv4/ip_input.c:234) 
[ 64.344601][ C0] ip_local_deliver (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:254) 
[ 64.344758][ C0] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243) 
[ 64.345003][ C0] ? ip_rcv_finish_core.constprop.0 (net/ipv4/ip_input.c:367) 
[ 64.345196][ C0] ip_rcv (./include/net/dst.h:460 net/ipv4/ip_input.c:449 ./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:569) 
[ 64.345314][ C0] ? __pfx_ip_rcv (net/ipv4/ip_input.c:562) 
[ 64.345466][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) 
[ 64.345713][ C0] ? process_backlog (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/dev.c:6051) 
[ 64.345869][ C0] ? __pfx_ip_rcv (net/ipv4/ip_input.c:562) 
[ 64.346024][ C0] __netif_receive_skb_one_core (net/core/dev.c:5610 (discriminator 4)) 
[ 64.346239][ C0] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5603) 
[ 64.346525][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725) 
[ 64.346681][ C0] ? process_backlog (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/dev.c:6051) 
[ 64.346840][ C0] process_backlog (./include/linux/rcupdate.h:779 net/core/dev.c:6053) 
[ 64.346998][ C0] __napi_poll.constprop.0 (net/core/dev.c:6703) 
[ 64.347248][ C0] net_rx_action (net/core/dev.c:6772 net/core/dev.c:6886) 
[ 64.347406][ C0] ? __pfx_net_rx_action (net/core/dev.c:6850) 
[ 64.347564][ C0] ? usage_skip (kernel/locking/lockdep.c:2295 kernel/locking/lockdep.c:2263) 
[ 64.347742][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4274) 
[ 64.347985][ C0] __do_softirq (kernel/softirq.c:553) 
[ 64.348141][ C0] ? __dev_queue_xmit (./include/linux/rcupdate.h:308 ./include/linux/rcupdate.h:818 net/core/dev.c:4399) 
[ 64.348296][ C0] do_softirq (kernel/softirq.c:454 kernel/softirq.c:441) 
[   64.348413][    C0]  </IRQ>
[   64.348491][    C0]  <TASK>
[ 64.348570][ C0] __local_bh_enable_ip (kernel/softirq.c:381) 
[ 64.348826][ C0] ? __dev_queue_xmit (./include/linux/rcupdate.h:308 ./include/linux/rcupdate.h:818 net/core/dev.c:4399) 
[ 64.348982][ C0] __dev_queue_xmit (net/core/dev.c:4400) 
[ 64.349143][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4274) 
[ 64.349301][ C0] ? eth_header (net/ethernet/eth.c:100) 
[ 64.349460][ C0] ? __pfx___dev_queue_xmit (net/core/dev.c:4281) 
[ 64.349618][ C0] ? neigh_resolve_output (./include/linux/netdevice.h:3226 net/core/neighbour.c:1558 net/core/neighbour.c:1543) 
[ 64.349777][ C0] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 64.349942][ C0] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 64.350196][ C0] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) 
[ 64.350317][ C0] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) 
[ 64.350480][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) 
[ 64.350634][ C0] ? find_held_lock (kernel/locking/lockdep.c:5244) 
[ 64.350792][ C0] ? __lock_release (kernel/locking/lockdep.c:5430) 
[ 64.351038][ C0] ? icmp6_dst_alloc (net/ipv6/route.c:3293) 
[ 64.351191][ C0] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) 
[ 64.351344][ C0] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) 
[ 64.351497][ C0] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3133) 
[ 64.351781][ C0] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) 
[ 64.351976][ C0] ? icmp6_dst_alloc (net/ipv6/route.c:3293) 
[ 64.352125][ C0] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:386) 
[ 64.352282][ C0] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 64.352526][ C0] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) 
[ 64.352775][ C0] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) 
[ 64.352929][ C0] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 64.353172][ C0] process_one_work (kernel/workqueue.c:2633) 
[ 64.353418][ C0] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) 
[ 64.353666][ C0] ? __pfx_process_one_work (kernel/workqueue.c:2542) 
[ 64.353819][ C0] ? assign_work (kernel/workqueue.c:1101) 
[ 64.354065][ C0] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) 
[ 64.354224][ C0] ? __pfx_worker_thread (kernel/workqueue.c:2733) 
[ 64.354377][ C0] kthread (kernel/kthread.c:388) 
[ 64.354493][ C0] ? __pfx_kthread (kernel/kthread.c:341) 
[ 64.354648][ C0] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 64.354799][ C0] ? __pfx_kthread (kernel/kthread.c:341) 


Finger prints:
__skb_checksum:__skb_checksum_complete:icmp_rcv:ip_protocol_deliver_rcu