======================================
| [   38.462366][  T340] br1: entered promiscuous mode
| [   40.296115][    C1] ------------[ cut here ]------------
| [   40.296414][    C1] kernel BUG at net/core/skbuff.c:3505!
| [   40.296761][    C1] invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
[   40.297200][    C1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 40.297542][ C1] RIP: 0010:__skb_checksum (net/core/skbuff.c:3505 (discriminator 1)) 
[ 40.297714][ C1] 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
[   40.298257][    C1] RSP: 0018:ffffc9000019f7c8 EFLAGS: 00010206
[   40.298453][    C1] RAX: 000000000000b834 RBX: 0000000000000008 RCX: 1ffff11000bc6829
[   40.298678][    C1] RDX: 000000000000007e RSI: dffffc0000000000 RDI: ffff888005e34148
[   40.298914][    C1] RBP: 000000000000b834 R08: 0000000000000008 R09: fffffbfff2a5c5ea
[   40.299135][    C1] R10: ffffffff952e2f57 R11: ffff88800996b7c0 R12: 0000000000000008
[   40.299367][    C1] R13: 0000000000000000 R14: ffffc9000019f888 R15: ffff88800996b788
[   40.299608][    C1] FS:  0000000000000000(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[   40.299875][    C1] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.300063][    C1] CR2: 000055ab761b09d8 CR3: 0000000003d12001 CR4: 0000000000770ef0
[   40.300289][    C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   40.300523][    C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   40.300762][    C1] PKRU: 55555554
[   40.300878][    C1] Call Trace:
[   40.300989][    C1]  <TASK>
[ 40.301067][ C1] ? die (arch/x86/kernel/dumpstack.c:421 arch/x86/kernel/dumpstack.c:434 arch/x86/kernel/dumpstack.c:447) 
[ 40.301185][ C1] ? do_trap (arch/x86/kernel/traps.c:113 arch/x86/kernel/traps.c:154) 
[ 40.301309][ C1] ? __skb_checksum (net/core/skbuff.c:3505 (discriminator 1)) 
[ 40.301483][ C1] ? do_error_trap (./arch/x86/include/asm/traps.h:58 arch/x86/kernel/traps.c:175) 
[ 40.301637][ C1] ? __skb_checksum (net/core/skbuff.c:3505 (discriminator 1)) 
[ 40.301785][ C1] ? __skb_checksum (net/core/skbuff.c:3505 (discriminator 1)) 
[ 40.301933][ C1] ? handle_invalid_op (arch/x86/kernel/traps.c:213) 
[ 40.302103][ C1] ? __skb_checksum (net/core/skbuff.c:3505 (discriminator 1)) 
[ 40.302251][ C1] ? exc_invalid_op (arch/x86/kernel/traps.c:265) 
[ 40.302403][ C1] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) 
[ 40.302559][ C1] ? __skb_checksum (net/core/skbuff.c:3505 (discriminator 1)) 
[ 40.302711][ C1] ? __skb_checksum (net/core/skbuff.c:3441 (discriminator 4)) 
[ 40.302867][ C1] __skb_checksum_complete (net/core/skbuff.c:3643) 
[ 40.303017][ C1] ? __pfx___skb_checksum_complete (net/core/skbuff.c:3637) 
[ 40.303208][ C1] ? __pfx_csum_partial_ext (./include/net/checksum.h:120) 
[ 40.303356][ C1] ? __pfx_csum_block_add_ext (./include/net/checksum.h:103) 
[ 40.303512][ C1] icmp_rcv (./include/linux/skbuff.h:4567 net/ipv4/icmp.c:1213) 
[ 40.303630][ C1] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 5)) 
[ 40.303775][ C1] ip_local_deliver_finish (./include/linux/rcupdate.h:779 net/ipv4/ip_input.c:234) 
[ 40.303941][ C1] ip_local_deliver (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:254) 
[ 40.304104][ C1] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243) 
[ 40.304259][ C1] ? ip_rcv_finish_core.constprop.0 (./include/net/net_namespace.h:383 ./include/linux/netdevice.h:2654 net/ipv4/ip_input.c:372) 
[ 40.304448][ C1] 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) 
[ 40.304586][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:562) 
[ 40.304733][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) 
[ 40.304874][ C1] ? process_backlog (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/dev.c:6051) 
[ 40.305020][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:562) 
[ 40.305163][ C1] __netif_receive_skb_one_core (net/core/dev.c:5610 (discriminator 4)) 
[ 40.305336][ C1] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5603) 
[ 40.305520][ C1] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 40.305653][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725) 
[ 40.305805][ C1] ? process_backlog (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/dev.c:6051) 
[ 40.305938][ C1] process_backlog (./include/linux/rcupdate.h:779 net/core/dev.c:6053) 
[ 40.306075][ C1] ? __lock_release (kernel/locking/lockdep.c:5430) 
[ 40.306210][ C1] __napi_poll.constprop.0 (net/core/dev.c:6703) 
[ 40.306340][ C1] net_rx_action (net/core/dev.c:6772 net/core/dev.c:6886) 
[ 40.306477][ C1] ? __pfx_net_rx_action (net/core/dev.c:6850) 
[ 40.306614][ C1] ? __pfx___schedule (kernel/sched/core.c:6608) 
[ 40.306753][ C1] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) 
[ 40.306885][ C1] __do_softirq (kernel/softirq.c:553) 
[ 40.307034][ C1] ? __pfx_run_ksoftirqd (kernel/softirq.c:914) 
[ 40.307172][ C1] run_ksoftirqd (kernel/softirq.c:410 kernel/softirq.c:922 kernel/softirq.c:913) 
[ 40.307306][ C1] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 40.307441][ C1] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) 
[ 40.307578][ C1] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) 
[ 40.307713][ C1] kthread (kernel/kthread.c:388) 
[ 40.307811][ C1] ? __pfx_kthread (kernel/kthread.c:341) 
[ 40.307949][ C1] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 40.308085][ C1] ? __pfx_kthread (kernel/kthread.c:341) 


Finger prints:
__skb_checksum:__skb_checksum_complete:icmp_rcv:ip_protocol_deliver_rcu