======================================
| [ 1085.777504] #7: ffffffff9c9678c0 (rcu_read_lock){....}-{1:2}, at: netif_receive_skb (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/dev.c:5729 net/core/dev.c:5801) 
| [ 1085.777959] #8: ffffffff9c9678c0 (rcu_read_lock){....}-{1:2}, at: ip_local_deliver_finish (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/ipv4/ip_input.c:232) 
| [ 1085.778435]
| [ 1085.778435] stack backtrace:
[ 1085.779022] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1085.779618] Call Trace:
[ 1085.779756]  <IRQ>
[ 1085.779873] dump_stack_lvl (lib/dump_stack.c:108) 
[ 1085.780076] __lock_acquire (kernel/locking/lockdep.c:5138) 
[ 1085.780295] ? sk_filter_trim_cap (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/filter.c:151) 
[ 1085.780529] lock_acquire (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756 kernel/locking/lockdep.c:5719) 
[ 1085.780722] ? tcp_v4_rcv (./include/linux/skbuff.h:1624 ./include/net/tcp.h:2510 net/ipv4/tcp_ipv4.c:2326) 
[ 1085.780923] ? sk_filter_trim_cap (net/core/filter.c:165) 
[ 1085.781159] _raw_spin_lock_nested (kernel/locking/spinlock.c:379) 
[ 1085.781394] ? tcp_v4_rcv (./include/linux/skbuff.h:1624 ./include/net/tcp.h:2510 net/ipv4/tcp_ipv4.c:2326) 
[ 1085.781590] tcp_v4_rcv (./include/linux/skbuff.h:1624 ./include/net/tcp.h:2510 net/ipv4/tcp_ipv4.c:2326) 
[ 1085.781780] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 1)) 
[ 1085.782023] ip_local_deliver_finish (./include/linux/rcupdate.h:779 net/ipv4/ip_input.c:234) 
[ 1085.782266] __netif_receive_skb_one_core (net/core/dev.c:5542 (discriminator 4)) 
[ 1085.782526] netif_receive_skb (net/core/dev.c:5742 net/core/dev.c:5801) 
[ 1085.782742] tcf_mirred_to_dev (net/sched/act_mirred.c:327) act_mirred
[ 1085.783023] tcf_mirred_act (net/sched/act_mirred.c:459 (discriminator 2)) act_mirred
[ 1085.783284] ? tcf_skbedit_act (net/sched/act_skbedit.c:51 (discriminator 3)) act_skbedit
[ 1085.783566] tcf_action_exec (net/sched/act_api.c:1101 net/sched/act_api.c:1074) 
[ 1085.783784] fl_classify (net/sched/cls_flower.c:345) cls_flower
[ 1085.784043] ? fl_mask_lookup (./include/linux/rcupdate.h:308 ./include/linux/rcupdate.h:783 ./include/linux/rhashtable.h:673 net/sched/cls_flower.c:262 net/sched/cls_flower.c:295) cls_flower
[ 1085.784326] ? fl_mask_lookup (net/sched/cls_flower.c:296) cls_flower
[ 1085.784603] ? __pfx_usage_match (kernel/locking/lockdep.c:2256) 
[ 1085.784823] ? __bfs (kernel/locking/lockdep.c:1787) 
[ 1085.784995] ? check_irq_usage (kernel/locking/lockdep.c:2823) 
[ 1085.785215] ? check_path.constprop.0 (kernel/locking/lockdep.c:2145) 
[ 1085.785458] ? check_noncircular (kernel/locking/lockdep.c:2172) 
[ 1085.785686] ? __lock_acquire (kernel/locking/lockdep.c:5133 (discriminator 1)) 
[ 1085.785907] tcf_classify (./include/net/tc_wrapper.h:197 net/sched/cls_api.c:1734 net/sched/cls_api.c:1830) 
[ 1085.786119] tc_run (net/core/dev.c:3945) 
[ 1085.786296] __dev_queue_xmit (net/core/dev.c:4069 net/core/dev.c:4301) 
[ 1085.786516] ? mark_held_locks (kernel/locking/lockdep.c:4274) 
[ 1085.786730] ip_finish_output2 (./include/linux/netdevice.h:3171 ./include/net/neighbour.h:526 ./include/net/neighbour.h:540 net/ipv4/ip_output.c:235) 
[ 1085.786952] ? __ip_queue_xmit (net/ipv4/ip_output.c:535) 
[ 1085.787175] __ip_queue_xmit (net/ipv4/ip_output.c:535) 
[ 1085.787384] __tcp_transmit_skb (net/ipv4/tcp_output.c:1462 (discriminator 4)) 
[ 1085.787612] ? mark_held_locks (kernel/locking/lockdep.c:4274) 
[ 1085.787827] tcp_write_xmit (net/ipv4/tcp_output.c:2792) 
[ 1085.788039] __tcp_push_pending_frames (net/ipv4/tcp_output.c:2977) 
[ 1085.788291] tcp_rcv_state_process (net/ipv4/tcp_input.c:5654 net/ipv4/tcp_input.c:6870) 
[ 1085.788535] ? tcp_v4_rcv (./include/linux/skbuff.h:1624 ./include/net/tcp.h:2510 net/ipv4/tcp_ipv4.c:2326) 
[ 1085.788732] ? tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1929) 
[ 1085.788940] tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1929) 
[ 1085.789138] tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2329) 
[ 1085.789328] ? process_backlog (net/core/dev.c:5978 (discriminator 2)) 
[ 1085.789543] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 1)) 
[ 1085.789782] ip_local_deliver_finish (./include/linux/rcupdate.h:779 net/ipv4/ip_input.c:234) 
[ 1085.790021] __netif_receive_skb_one_core (net/core/dev.c:5542 (discriminator 4)) 
[ 1085.790298] process_backlog (./include/linux/rcupdate.h:779 net/core/dev.c:5985) 
[ 1085.790542] __napi_poll.constprop.0 (net/core/dev.c:6584) 
[ 1085.790820] net_rx_action (net/core/dev.c:6655 net/core/dev.c:6786) 
[ 1085.791071] __do_softirq (./arch/x86/include/asm/jump_label.h:27 ./include/linux/jump_label.h:207 ./include/trace/events/irq.h:142 kernel/softirq.c:554) 
[ 1085.791322] irq_exit_rcu (kernel/softirq.c:427 kernel/softirq.c:632 kernel/softirq.c:644) 
[ 1085.791536] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1076 (discriminator 14)) 
[ 1085.791793]  </IRQ>
[ 1085.791926]  <TASK>
[ 1085.792077] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:649) 
[ 1085.792414] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 1085.792748] Code: c7 18 53 48 89 f3 48 8b 74 24 10 e8 81 4c 39 ff 48 89 ef e8 39 7d 39 ff 80 e7 02 74 06 e8 cf a5 46 ff fb 65 ff 0d cf f8 3f 64 <74> 07 5b 5d c3 cc cc cc cc 0f 1f 44 00 00 5b 5d c3 cc cc cc cc 66
All code
========
   0:	c7                   	(bad)
   1:	18 53 48             	sbb    %dl,0x48(%rbx)
   4:	89 f3                	mov    %esi,%ebx
   6:	48 8b 74 24 10       	mov    0x10(%rsp),%rsi
   b:	e8 81 4c 39 ff       	call   0xffffffffff394c91
  10:	48 89 ef             	mov    %rbp,%rdi
  13:	e8 39 7d 39 ff       	call   0xffffffffff397d51
  18:	80 e7 02             	and    $0x2,%bh
  1b:	74 06                	je     0x23
  1d:	e8 cf a5 46 ff       	call   0xffffffffff46a5f1
  22:	fb                   	sti
  23:	65 ff 0d cf f8 3f 64 	decl   %gs:0x643ff8cf(%rip)        # 0x643ff8f9
  2a:*	74 07                	je     0x33		<-- trapping instruction
  2c:	5b                   	pop    %rbx
  2d:	5d                   	pop    %rbp
  2e:	c3                   	ret
  2f:	cc                   	int3
  30:	cc                   	int3
  31:	cc                   	int3
  32:	cc                   	int3
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	5b                   	pop    %rbx
  39:	5d                   	pop    %rbp
  3a:	c3                   	ret
  3b:	cc                   	int3
  3c:	cc                   	int3
  3d:	cc                   	int3
  3e:	cc                   	int3
  3f:	66                   	data16

Code starting with the faulting instruction
===========================================
   0:	74 07                	je     0x9
   2:	5b                   	pop    %rbx
   3:	5d                   	pop    %rbp
   4:	c3                   	ret
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	cc                   	int3
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	5b                   	pop    %rbx
   f:	5d                   	pop    %rbp
  10:	c3                   	ret
  11:	cc                   	int3
  12:	cc                   	int3
  13:	cc                   	int3
  14:	cc                   	int3
  15:	66                   	data16
[ 1085.793942] RSP: 0018:ffffa08f873ffdc0 EFLAGS: 00000286
[ 1085.794296] RAX: 000000000037e9bf RBX: 0000000000000292 RCX: 0000000000000080
[ 1085.794765] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff9bc2f671
[ 1085.795239] RBP: ffff8ab4c21e8508 R08: 0000000000000001 R09: 0000000000000001
[ 1085.795712] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[ 1085.796193] R13: 0000000000000292 R14: 0000000000000004 R15: ffffa08f873ffe68
[ 1085.796668] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 ./arch/x86/include/asm/irqflags.h:135 ./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 1085.797007] __wake_up (kernel/sched/wait.c:110 kernel/sched/wait.c:127) 
[ 1085.797235] file_tty_write.constprop.0 (drivers/tty/tty_io.c:949 drivers/tty/tty_io.c:1046 drivers/tty/tty_io.c:1096) 
[ 1085.797576] vfs_write (./include/linux/fs.h:2085 fs/read_write.c:497 fs/read_write.c:590) 
[ 1085.797819] ksys_write (fs/read_write.c:643) 
[ 1085.798044] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 1085.798273] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) 
[ 1085.798614] RIP: 0033:0x7f1c9122a957
[ 1085.798861] Code: 0b 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
All code
========
   0:	0b 00                	or     (%rax),%eax
   2:	f7 d8                	neg    %eax
   4:	64 89 02             	mov    %eax,%fs:(%rdx)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b7                	jmp    0xffffffffffffffc7
  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 01 00 00 00       	mov    $0x1,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  3c:	48                   	rex.W
  3d:	89                   	.byte 0x89
  3e:	74 24                	je     0x64

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  12:	48                   	rex.W
  13:	89                   	.byte 0x89
  14:	74 24                	je     0x3a
[ 1085.800017] RSP: 002b:00007ffed4324508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 1085.800509] RAX: ffffffffffffffda RBX: 00005651736e9db0 RCX: 00007f1c9122a957
[ 1085.800941] RDX: 0000000000000001 RSI: 00005651736e9db0 RDI: 0000000000000001
[ 1085.801313] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 1085.801691] R10: 0000000000000001 R11: 0000000000000246 R12: 00005651736d64e0


Finger prints:
dump_stack_lvl:__lock_acquire:lock_acquire:_raw_spin_lock_nested