======================================
| [    1.893277] ip (239) used greatest stack depth: 12344 bytes left
| [    7.920834] ------------[ cut here ]------------
| [    7.920987] kernel BUG at net/core/skbuff.c:2813!
| [    7.921027] invalid opcode: 0000 [#1] PREEMPT SMP NOPTI
[    7.921118] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[    7.921182] RIP: 0010:__pskb_pull_tail (net/core/skbuff.c:2813 (discriminator 1)) 
[ 7.921220] Code: 44 24 10 e8 ad e4 81 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 ad e4 81 ff       	call   0xffffffffff81e4b5
   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)
[    7.921323] RSP: 0018:ffffa55e40114dc0 EFLAGS: 00010282
[    7.921354] RAX: 00000000fffffff2 RBX: 0000000000000014 RCX: 0000000000000014
[    7.921398] RDX: ffff9888c1de2b04 RSI: 0000000000000100 RDI: 0000000000000000
[    7.921442] RBP: ffffa55e40114e00 R08: 00000000ffffffd8 R09: ffff9888c4aa1000
[    7.921487] R10: 0000000000000008 R11: ffff9888c26e36d4 R12: ffff9888c4aa2000
[    7.921531] R13: 0000000000000014 R14: ffff9888c26e3600 R15: 0000000000000002
[    7.921577] FS:  00007fe147d39740(0000) GS:ffff9888fed00000(0000) knlGS:0000000000000000
[    7.921620] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.921657] CR2: 00007ffde78e1000 CR3: 000000000191c001 CR4: 0000000000770ef0
[    7.921696] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[    7.921740] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[    7.921777] PKRU: 55555554
[    7.921790] Call Trace:
[    7.921806]  <IRQ>
[    7.921822] ? die (arch/x86/kernel/dumpstack.c:421 arch/x86/kernel/dumpstack.c:434 arch/x86/kernel/dumpstack.c:447) 
[    7.921851] ? do_trap (arch/x86/kernel/traps.c:113 arch/x86/kernel/traps.c:154) 
[    7.921875] ? __pskb_pull_tail (net/core/skbuff.c:2813 (discriminator 1)) 
[    7.921900] ? do_error_trap (./arch/x86/include/asm/traps.h:58 arch/x86/kernel/traps.c:175) 
[    7.921925] ? __pskb_pull_tail (net/core/skbuff.c:2813 (discriminator 1)) 
[    7.921944] ? exc_invalid_op (arch/x86/kernel/traps.c:265) 
[    7.921969] ? __pskb_pull_tail (net/core/skbuff.c:2813 (discriminator 1)) 
[    7.921998] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) 
[    7.922024] ? __pskb_pull_tail (net/core/skbuff.c:2813 (discriminator 1)) 
[    7.922048] ? tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2417) 
[    7.922073] tcp_v4_early_demux (./include/linux/skbuff.h:2731 ./include/linux/skbuff.h:2739 net/ipv4/tcp_ipv4.c:1966) 
[    7.922100] ip_rcv_finish_core.constprop.0 (./include/linux/skbuff.h:1139 ./include/net/dst_metadata.h:94 net/ipv4/ip_input.c:364) 
[    7.922138] ip_rcv (net/ipv4/ip_input.c:448 ./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:569) 
[    7.922162] ? ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 1)) 
[    7.922193] __netif_receive_skb_one_core (net/core/dev.c:5610 (discriminator 4)) 
[    7.922226] process_backlog (./include/linux/rcupdate.h:782 net/core/dev.c:6053) 
[    7.922250] __napi_poll (net/core/dev.c:6703) 
[    7.922276] net_rx_action (net/core/dev.c:6774 net/core/dev.c:6886) 
[    7.922300] __do_softirq (kernel/softirq.c:553) 
[    7.922327] do_softirq (kernel/softirq.c:454 kernel/softirq.c:441) 
[    7.922353]  </IRQ>
[    7.922371]  <TASK>
[    7.922384] __local_bh_enable_ip (kernel/softirq.c:381) 
[    7.922409] __dev_queue_xmit (net/core/dev.c:4400) 
[    7.922434] ? eth_header (net/ethernet/eth.c:85) 
[    7.922459] ip_finish_output2 (./include/net/neighbour.h:542 net/ipv4/ip_output.c:235) 
[    7.922485] __ip_queue_xmit (net/ipv4/ip_output.c:535) 
[    7.922511] __tcp_transmit_skb (net/ipv4/tcp_output.c:1462 (discriminator 4)) 
[    7.922539] ? release_sock (./include/linux/list.h:373 ./include/linux/wait.h:127 net/core/sock.c:3557) 
[    7.922563] tcp_write_xmit (net/ipv4/tcp_output.c:2792) 
[    7.922588] __tcp_push_pending_frames (net/ipv4/tcp_output.c:2977) 
[    7.922619] __tcp_close (net/ipv4/tcp.c:2842) 
[    7.922646] tcp_close (net/ipv4/tcp.c:2932) 
[    7.922669] inet_release (net/ipv4/af_inet.c:436) 
[    7.922696] __sock_release (net/socket.c:659) 
[    7.922721] sock_close (net/socket.c:1423) 
[    7.922744] __fput (fs/file_table.c:376) 
[    7.922769] __x64_sys_close (fs/open.c:1557 fs/open.c:1539 fs/open.c:1539) 
[    7.922794] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[    7.922820] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) 
[    7.922859] RIP: 0033:0x7fe147e7b007
[ 7.922883] Code: ff e8 fd e2 01 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 41 c3 48 83 ec 18 89 7c 24 0c e8 c3 cb f5 ff
All code
========
   0:	ff                   	(bad)
   1:	e8 fd e2 01 00       	call   0x1e303
   6:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   d:	00 00 00 
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 03 00 00 00       	mov    $0x3,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 41                	ja     0x73
  32:	c3                   	ret
  33:	48 83 ec 18          	sub    $0x18,%rsp
  37:	89 7c 24 0c          	mov    %edi,0xc(%rsp)
  3b:	e8 c3 cb f5 ff       	call   0xfffffffffff5cc03

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 41                	ja     0x49
   8:	c3                   	ret
   9:	48 83 ec 18          	sub    $0x18,%rsp
   d:	89 7c 24 0c          	mov    %edi,0xc(%rsp)
  11:	e8 c3 cb f5 ff       	call   0xfffffffffff5cbd9
[    7.922978] RSP: 002b:00007ffde78dd4b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
[    7.923022] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fe147e7b007
[    7.923060] RDX: 000000000000001f RSI: 0000018e1161dcef RDI: 0000000000000006
[    7.923098] RBP: 0000000000000006 R08: 00007ffde78e0080 R09: 00007ffde78dd570
[    7.923146] R10: 7fffffffffffffff R11: 0000000000000246 R12: 00007ffde78dd570


Finger prints:
__pskb_pull_tail:tcp_v4_early_demux:ip_rcv:__netif_receive_skb_one_core