======================================
| [    7.246265] veth2: entered promiscuous mode
| [   13.487084] ------------[ cut here ]------------
| [   13.487130] kernel BUG at net/core/skbuff.c:2813!
| [   13.487166] invalid opcode: 0000 [#1] PREEMPT SMP NOPTI
[   13.487236] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   13.487297] RIP: 0010:__pskb_pull_tail (net/core/skbuff.c:2813 (discriminator 1)) 
[ 13.487332] Code: 44 24 10 e8 3d 0f 83 ff 49 8b be c0 00 00 00 44 8b 44 24 10 41 8b 8e bc 00 00 00 e9 f4 fc ff ff 4c 8d 48 ff e9 41 fd ff ff 90 <0f> 0b 48 c7 44 24 10 00 00 00 00 e9 99 fe ff ff 41 f6 44 24 7e 20
All code
========
   0:	44 24 10             	rex.R and $0x10,%al
   3:	e8 3d 0f 83 ff       	call   0xffffffffff830f45
   8:	49 8b be c0 00 00 00 	mov    0xc0(%r14),%rdi
   f:	44 8b 44 24 10       	mov    0x10(%rsp),%r8d
  14:	41 8b 8e bc 00 00 00 	mov    0xbc(%r14),%ecx
  1b:	e9 f4 fc ff ff       	jmp    0xfffffffffffffd14
  20:	4c 8d 48 ff          	lea    -0x1(%rax),%r9
  24:	e9 41 fd ff ff       	jmp    0xfffffffffffffd6a
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	48 c7 44 24 10 00 00 	movq   $0x0,0x10(%rsp)
  33:	00 00 
  35:	e9 99 fe ff ff       	jmp    0xfffffffffffffed3
  3a:	41 f6 44 24 7e 20    	testb  $0x20,0x7e(%r12)

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	48 c7 44 24 10 00 00 	movq   $0x0,0x10(%rsp)
   9:	00 00 
   b:	e9 99 fe ff ff       	jmp    0xfffffffffffffea9
  10:	41 f6 44 24 7e 20    	testb  $0x20,0x7e(%r12)
[   13.487423] RSP: 0018:ffffa549c0114de8 EFLAGS: 00010282
[   13.487461] RAX: 00000000fffffff2 RBX: 0000000000000008 RCX: 0000000000000008
[   13.487503] RDX: ffff996a02575b64 RSI: 0000000000000100 RDI: 0000000000000000
[   13.487545] RBP: ffffa549c0114e28 R08: 0000000037363534 R09: 232221201f1e1d1c
[   13.487588] R10: 2b2a292827262524 R11: 333231302f2e2d2c R12: ffffffffa6ebba80
[   13.487630] R13: 0000000000000008 R14: ffff996a023b7900 R15: 0000000000000001
[   13.487668] FS:  00007fc9b0486300(0000) GS:ffff996a3ed00000(0000) knlGS:0000000000000000
[   13.487710] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.487745] CR2: 000000000041aad0 CR3: 000000000129c002 CR4: 0000000000770ef0
[   13.487788] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   13.487830] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   13.487872] PKRU: 55555554
[   13.487884] Call Trace:
[   13.487900]  <IRQ>
[   13.487918] ? die (arch/x86/kernel/dumpstack.c:421 arch/x86/kernel/dumpstack.c:434 arch/x86/kernel/dumpstack.c:447) 
[   13.487945] ? do_trap (arch/x86/kernel/traps.c:113 arch/x86/kernel/traps.c:154) 
[   13.487969] ? __pskb_pull_tail (net/core/skbuff.c:2813 (discriminator 1)) 
[   13.487993] ? do_error_trap (./arch/x86/include/asm/traps.h:58 arch/x86/kernel/traps.c:175) 
[   13.488016] ? __pskb_pull_tail (net/core/skbuff.c:2813 (discriminator 1)) 
[   13.488040] ? exc_invalid_op (arch/x86/kernel/traps.c:265) 
[   13.488064] ? __pskb_pull_tail (net/core/skbuff.c:2813 (discriminator 1)) 
[   13.488088] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) 
[   13.488116] ? __pskb_pull_tail (net/core/skbuff.c:2813 (discriminator 1)) 
[   13.488139] ? __pskb_pull_tail (net/core/skbuff.c:2813) 
[   13.488163] icmp_rcv (./include/linux/skbuff.h:2731 ./include/linux/skbuff.h:2739 ./include/linux/skbuff.h:2744 net/ipv4/icmp.c:1216) 
[   13.488192] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 5)) 
[   13.488228] ip_local_deliver_finish (./include/linux/rcupdate.h:782 net/ipv4/ip_input.c:234) 
[   13.488259] __netif_receive_skb_one_core (net/core/dev.c:5610 (discriminator 4)) 
[   13.488290] process_backlog (./include/linux/rcupdate.h:782 net/core/dev.c:6053) 
[   13.488313] __napi_poll (net/core/dev.c:6703) 
[   13.488338] net_rx_action (net/core/dev.c:6774 net/core/dev.c:6886) 
[   13.488364] __do_softirq (kernel/softirq.c:553) 
[   13.488389] do_softirq (kernel/softirq.c:454 kernel/softirq.c:441) 
[   13.488416]  </IRQ>
[   13.488433]  <TASK>
[   13.488446] __local_bh_enable_ip (kernel/softirq.c:381) 
[   13.488470] netif_rx (net/core/dev.c:5197) 
[   13.488494] dev_loopback_xmit (net/core/dev.c:3910) 
[   13.488518] ip_mc_finish_output (net/ipv4/ip_output.c:363) 
[   13.488542] ip_mc_output (./include/linux/skbuff.h:2943 ./include/linux/ip.h:21 net/ipv4/ip_output.c:406) 
[   13.488567] ? __ip_local_out (./include/net/l3mdev.h:203 ./include/net/l3mdev.h:213 net/ipv4/ip_output.c:112) 
[   13.488589] ? __ip_make_skb (net/ipv4/ip_output.c:1379 net/ipv4/ip_output.c:1487) 
[   13.488613] ip_push_pending_frames (./include/net/dst.h:450 net/ipv4/ip_output.c:129 net/ipv4/ip_output.c:1496 net/ipv4/ip_output.c:1516) 
[   13.488644] raw_sendmsg (net/ipv4/raw.c:648) 
[   13.488671] ? __pte_offset_map (./include/linux/pgtable.h:298 ./include/linux/pgtable.h:518 mm/pgtable-generic.c:287) 
[   13.488698] ? __sys_sendto (net/socket.c:730 net/socket.c:745 net/socket.c:2191) 
[   13.488722] __sys_sendto (net/socket.c:730 net/socket.c:745 net/socket.c:2191) 
[   13.488748] ? handle_mm_fault (mm/memory.c:5330 mm/memory.c:5486) 
[   13.488774] ? do_user_addr_fault (./include/linux/mmap_lock.h:174 arch/x86/mm/fault.c:1434) 
[   13.488804] __x64_sys_sendto (net/socket.c:2203 net/socket.c:2199 net/socket.c:2199) 
[   13.488828] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[   13.488856] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) 
[   13.488888] RIP: 0033:0x7fc9b075c85a
[ 13.488910] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   13.489002] RSP: 002b:00007ffeba526078 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   13.489044] RAX: ffffffffffffffda RBX: 0000000000000038 RCX: 00007fc9b075c85a
[   13.489086] RDX: 0000000000000040 RSI: 0000000000df5340 RDI: 0000000000000005
[   13.489128] RBP: 00007ffeba5260d0 R08: 00000000004185e0 R09: 0000000000000010
[   13.489170] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000054


Finger prints:
__pskb_pull_tail:icmp_rcv:ip_protocol_deliver_rcu:ip_local_deliver_finish