======================================
| [    7.785105] veth2: entered promiscuous mode
| [   13.999430] ------------[ cut here ]------------
| [   13.999485] kernel BUG at net/core/skbuff.c:2813!
| [   13.999529] invalid opcode: 0000 [#1] PREEMPT SMP NOPTI
[   13.999614] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   13.999688] RIP: 0010:__pskb_pull_tail (net/core/skbuff.c:2813 (discriminator 1)) 
[ 13.999730] 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)
[   13.999850] RSP: 0018:ffffa6e1400e8de8 EFLAGS: 00010282
[   13.999890] RAX: 00000000fffffff2 RBX: 0000000000000008 RCX: 0000000000000008
[   13.999943] RDX: ffff8de802e51924 RSI: 0000000000000100 RDI: 0000000000000000
[   13.999992] RBP: ffffa6e1400e8e28 R08: 0000000037363534 R09: 232221201f1e1d1c
[   14.000041] R10: 2b2a292827262524 R11: 333231302f2e2d2c R12: ffffffffb12bba80
[   14.000090] R13: 0000000000000008 R14: ffff8de801f13900 R15: 0000000000000001
[   14.000141] FS:  00007f74dab4a300(0000) GS:ffff8de83ec80000(0000) knlGS:0000000000000000
[   14.000195] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.000241] CR2: 00007ffce82d5ff8 CR3: 00000000024f6004 CR4: 0000000000770ef0
[   14.000291] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   14.000345] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   14.000394] PKRU: 55555554
[   14.000411] Call Trace:
[   14.000431]  <IRQ>
[   14.000450] ? die (arch/x86/kernel/dumpstack.c:421 arch/x86/kernel/dumpstack.c:434 arch/x86/kernel/dumpstack.c:447) 
[   14.000480] ? do_trap (arch/x86/kernel/traps.c:113 arch/x86/kernel/traps.c:154) 
[   14.000511] ? __pskb_pull_tail (net/core/skbuff.c:2813 (discriminator 1)) 
[   14.000542] ? do_error_trap (./arch/x86/include/asm/traps.h:58 arch/x86/kernel/traps.c:175) 
[   14.000572] ? __pskb_pull_tail (net/core/skbuff.c:2813 (discriminator 1)) 
[   14.000596] ? exc_invalid_op (arch/x86/kernel/traps.c:265) 
[   14.000625] ? __pskb_pull_tail (net/core/skbuff.c:2813 (discriminator 1)) 
[   14.000656] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) 
[   14.000687] ? __pskb_pull_tail (net/core/skbuff.c:2813 (discriminator 1)) 
[   14.000717] ? __pskb_pull_tail (net/core/skbuff.c:2813) 
[   14.000748] icmp_rcv (./include/linux/skbuff.h:2731 ./include/linux/skbuff.h:2739 ./include/linux/skbuff.h:2744 net/ipv4/icmp.c:1216) 
[   14.000781] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 5)) 
[   14.000823] ip_local_deliver_finish (./include/linux/rcupdate.h:782 net/ipv4/ip_input.c:234) 
[   14.000860] __netif_receive_skb_one_core (net/core/dev.c:5610 (discriminator 4)) 
[   14.000901] process_backlog (./include/linux/rcupdate.h:782 net/core/dev.c:6053) 
[   14.000930] __napi_poll (net/core/dev.c:6703) 
[   14.000962] net_rx_action (net/core/dev.c:6774 net/core/dev.c:6886) 
[   14.000992] __do_softirq (kernel/softirq.c:553) 
[   14.001023] do_softirq (kernel/softirq.c:454 kernel/softirq.c:441) 
[   14.001053]  </IRQ>
[   14.001069]  <TASK>
[   14.001085] __local_bh_enable_ip (kernel/softirq.c:381) 
[   14.001111] netif_rx (net/core/dev.c:5197) 
[   14.001135] dev_loopback_xmit (net/core/dev.c:3910) 
[   14.001160] ip_mc_finish_output (net/ipv4/ip_output.c:363) 
[   14.001191] ip_mc_output (./include/linux/skbuff.h:2943 ./include/linux/ip.h:21 net/ipv4/ip_output.c:406) 
[   14.001223] ? __ip_local_out (./include/net/l3mdev.h:203 ./include/net/l3mdev.h:213 net/ipv4/ip_output.c:112) 
[   14.001252] ? __ip_make_skb (net/ipv4/ip_output.c:1379 net/ipv4/ip_output.c:1487) 
[   14.001277] 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) 
[   14.001315] raw_sendmsg (net/ipv4/raw.c:648) 
[   14.001349] ? __pte_offset_map (./include/linux/pgtable.h:298 ./include/linux/pgtable.h:518 mm/pgtable-generic.c:287) 
[   14.001381] ? __sys_sendto (net/socket.c:730 net/socket.c:745 net/socket.c:2191) 
[   14.001411] __sys_sendto (net/socket.c:730 net/socket.c:745 net/socket.c:2191) 
[   14.001438] ? handle_mm_fault (mm/memory.c:5330 mm/memory.c:5486) 
[   14.001469] ? do_user_addr_fault (./include/linux/rcupdate.h:782 ./include/linux/mm.h:688 arch/x86/mm/fault.c:1357) 
[   14.001508] __x64_sys_sendto (net/socket.c:2203 net/socket.c:2199 net/socket.c:2199) 
[   14.001532] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[   14.001565] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) 
[   14.001604] RIP: 0033:0x7f74dae2085a
[ 14.001632] 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
[   14.001753] RSP: 002b:00007ffce82d6b98 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   14.001807] RAX: ffffffffffffffda RBX: 0000000000000038 RCX: 00007f74dae2085a
[   14.001856] RDX: 0000000000000040 RSI: 0000000000821340 RDI: 0000000000000005
[   14.001905] RBP: 00007ffce82d6bf0 R08: 00000000004185e0 R09: 0000000000000010
[   14.001954] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000054


Finger prints:
__pskb_pull_tail:icmp_rcv:ip_protocol_deliver_rcu:ip_local_deliver_finish