======================================
|
| [    1.814490] ------------[ cut here ]------------
| [    1.814625] kernel BUG at net/core/skbuff.c:2813!
| [    1.814669] invalid opcode: 0000 [#1] PREEMPT SMP NOPTI
[    1.814756] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[    1.814830] RIP: 0010:__pskb_pull_tail (net/core/skbuff.c:2813 (discriminator 1)) 
[ 1.814874] 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)
[    1.814983] RSP: 0018:ffffb69a80003d78 EFLAGS: 00010282
[    1.815022] RAX: 00000000fffffff2 RBX: 0000000000000014 RCX: 0000000000000014
[    1.815072] RDX: ffff8e43c26806f8 RSI: 0000000000000100 RDI: 0000000000000000
[    1.815123] RBP: ffffb69a80003db8 R08: 00000000ffffffcc R09: ffff8e43c1cd3000
[    1.815172] R10: 0000000000000008 R11: ffff8e43c1931ad4 R12: 00000000ffffffff
[    1.815222] R13: 0000000000000014 R14: ffff8e43c1931a00 R15: 0000000000000001
[    1.815273] FS:  0000000000000000(0000) GS:ffff8e43fec00000(0000) knlGS:0000000000000000
[    1.815322] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    1.815362] CR2: 00007f9c45ccb0e8 CR3: 0000000001246003 CR4: 0000000000770ef0
[    1.815413] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[    1.815461] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[    1.815506] PKRU: 55555554
[    1.815526] Call Trace:
[    1.815545]  <IRQ>
[    1.815567] ? die (arch/x86/kernel/dumpstack.c:421 arch/x86/kernel/dumpstack.c:434 arch/x86/kernel/dumpstack.c:447) 
[    1.815600] ? do_trap (arch/x86/kernel/traps.c:113 arch/x86/kernel/traps.c:154) 
[    1.815631] ? __pskb_pull_tail (net/core/skbuff.c:2813 (discriminator 1)) 
[    1.815659] ? do_error_trap (./arch/x86/include/asm/traps.h:58 arch/x86/kernel/traps.c:175) 
[    1.815686] ? __pskb_pull_tail (net/core/skbuff.c:2813 (discriminator 1)) 
[    1.815715] ? exc_invalid_op (arch/x86/kernel/traps.c:265) 
[    1.815748] ? __pskb_pull_tail (net/core/skbuff.c:2813 (discriminator 1)) 
[    1.815776] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) 
[    1.815809] ? __pskb_pull_tail (net/core/skbuff.c:2813 (discriminator 1)) 
[    1.815836] ? __pskb_pull_tail (net/core/skbuff.c:2813) 
[    1.815864] tcp_v4_rcv (./include/linux/skbuff.h:2731 ./include/linux/skbuff.h:2739 net/ipv4/tcp_ipv4.c:2181) 
[    1.815899] ? raw_local_deliver (net/ipv4/raw.c:199) 
[    1.815930] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 1)) 
[    1.815967] ip_local_deliver_finish (./include/linux/rcupdate.h:782 net/ipv4/ip_input.c:234) 
[    1.816001] __netif_receive_skb_one_core (net/core/dev.c:5610 (discriminator 4)) 
[    1.816049] process_backlog (./include/linux/rcupdate.h:782 net/core/dev.c:6053) 
[    1.816075] __napi_poll (net/core/dev.c:6703) 
[    1.816104] net_rx_action (net/core/dev.c:6774 net/core/dev.c:6886) 
[    1.816130] __do_softirq (kernel/softirq.c:553) 
[    1.816164] irq_exit_rcu (kernel/softirq.c:427 kernel/softirq.c:632 kernel/softirq.c:644) 
[    1.816197] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1076 (discriminator 14)) 
[    1.816238]  </IRQ>
[    1.816256]  <TASK>
[    1.816277] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:649) 
[    1.816314] RIP: 0010:default_idle (./arch/x86/include/asm/irqflags.h:37 ./arch/x86/include/asm/irqflags.h:72 arch/x86/kernel/process.c:743) 
[ 1.816340] Code: 4c 01 c7 4c 29 c2 e9 72 ff ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 73 49 27 00 fb f4 <fa> c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90
All code
========
   0:	4c 01 c7             	add    %r8,%rdi
   3:	4c 29 c2             	sub    %r8,%rdx
   6:	e9 72 ff ff ff       	jmp    0xffffffffffffff7d
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d 73 49 27 00 	verw   0x274973(%rip)        # 0x27499b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	fa                   	cli		<-- trapping instruction
  2b:	c3                   	ret
  2c:	cc                   	int3
  2d:	cc                   	int3
  2e:	cc                   	int3
  2f:	cc                   	int3
  30:	66 66 2e 0f 1f 84 00 	data16 cs nopw 0x0(%rax,%rax,1)
  37:	00 00 00 00 
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	fa                   	cli
   1:	c3                   	ret
   2:	cc                   	int3
   3:	cc                   	int3
   4:	cc                   	int3
   5:	cc                   	int3
   6:	66 66 2e 0f 1f 84 00 	data16 cs nopw 0x0(%rax,%rax,1)
   d:	00 00 00 00 
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
[    1.816449] RSP: 0018:ffffffff8fc03e88 EFLAGS: 00000242
[    1.816484] RAX: ffff8e43fec2a3a0 RBX: ffffffff8fc10980 RCX: 4000000000000000
[    1.816534] RDX: 0000000000000001 RSI: ffffffff8f895a7c RDI: 000000000002d544
[    1.816584] RBP: 0000000000000000 R08: 000000000002d544 R09: 0000000000000001
[    1.816633] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000
[    1.816683] R13: 0000000000000000 R14: ffffffff8fc10090 R15: 0000000000014770
[    1.816736] default_idle_call (./include/linux/cpuidle.h:144 kernel/sched/idle.c:98) 
[    1.816765] do_idle (kernel/sched/idle.c:171 kernel/sched/idle.c:312) 
[    1.816794] cpu_startup_entry (kernel/sched/idle.c:409 (discriminator 1)) 
[    1.816820] rest_init (??:?) 
[    1.816849] arch_call_rest_init+0xe/0x30 
[    1.816884] start_kernel (init/main.c:837 init/main.c:913) 
[    1.816910] x86_64_start_reservations (arch/x86/kernel/head64.c:543) 
[    1.816946] x86_64_start_kernel (arch/x86/kernel/head64.c:485 (discriminator 5)) 


Finger prints:
__pskb_pull_tail:tcp_v4_rcv:ip_protocol_deliver_rcu:ip_local_deliver_finish