======================================
| [ 1162.199384] #6: ffffffff943678c0 (rcu_read_lock){....}-{1:2}, at: netif_receive_skb (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/dev.c:5738 net/core/dev.c:5810) 
| [ 1162.199840] #7: ffffffff943678c0 (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) 
| [ 1162.200324]
| [ 1162.200324] stack backtrace:
[ 1162.200914] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1162.201507] Call Trace:
[ 1162.201654]  <IRQ>
[ 1162.201788] dump_stack_lvl (lib/dump_stack.c:108) 
[ 1162.201989] __lock_acquire (kernel/locking/lockdep.c:5138) 
[ 1162.202216] ? sk_filter_trim_cap (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/filter.c:151) 
[ 1162.202463] lock_acquire (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756 kernel/locking/lockdep.c:5719) 
[ 1162.202656] ? tcp_v4_rcv (./include/linux/skbuff.h:1619 ./include/net/tcp.h:2510 net/ipv4/tcp_ipv4.c:2326) 
[ 1162.202868] ? sk_filter_trim_cap (net/core/filter.c:165) 
[ 1162.203139] _raw_spin_lock_nested (kernel/locking/spinlock.c:379) 
[ 1162.203370] ? tcp_v4_rcv (./include/linux/skbuff.h:1619 ./include/net/tcp.h:2510 net/ipv4/tcp_ipv4.c:2326) 
[ 1162.203601] tcp_v4_rcv (./include/linux/skbuff.h:1619 ./include/net/tcp.h:2510 net/ipv4/tcp_ipv4.c:2326) 
[ 1162.203787] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 1)) 
DETECTED CRASH, lowering timeout

[ 1162.204121] ip_local_deliver_finish (./include/linux/rcupdate.h:779 net/ipv4/ip_input.c:234) 
[ 1162.204488] __netif_receive_skb_one_core (net/core/dev.c:5551 (discriminator 4)) 
[ 1162.204868] netif_receive_skb (net/core/dev.c:5751 net/core/dev.c:5810) 
[ 1162.205183] tcf_mirred_to_dev (net/sched/act_mirred.c:327) act_mirred
[ 1162.205563] tcf_mirred_act (net/sched/act_mirred.c:459 (discriminator 2)) act_mirred
[ 1162.205910] ? tcf_skbedit_act (net/sched/act_skbedit.c:51 (discriminator 3)) act_skbedit
[ 1162.206330] tcf_action_exec (./include/net/tc_wrapper.h:130 net/sched/act_api.c:1100 net/sched/act_api.c:1074) 
[ 1162.206653] fl_classify (net/sched/cls_flower.c:345) cls_flower
[ 1162.207030] ? fl_mask_lookup (net/sched/cls_flower.c:296) cls_flower
[ 1162.207453] ? __bfs (kernel/locking/lockdep.c:1787) 
[ 1162.207706] ? check_irq_usage (kernel/locking/lockdep.c:2823) 
[ 1162.208035] ? check_path.constprop.0 (kernel/locking/lockdep.c:2145) 
[ 1162.208405] ? check_noncircular (kernel/locking/lockdep.c:2172) 
[ 1162.208734] ? __lock_acquire (kernel/locking/lockdep.c:5133 (discriminator 1)) 
[ 1162.209062] tcf_classify (./include/net/tc_wrapper.h:197 net/sched/cls_api.c:1734 net/sched/cls_api.c:1830) 
[ 1162.209362] tc_run (net/core/dev.c:3920) 
[ 1162.209615] __dev_queue_xmit (net/core/dev.c:4044 net/core/dev.c:4276) 
[ 1162.209945] ? mark_held_locks (kernel/locking/lockdep.c:4274) 
[ 1162.210274] ip_finish_output2 (./include/linux/netdevice.h:3172 ./include/net/neighbour.h:526 ./include/net/neighbour.h:540 net/ipv4/ip_output.c:235) 
[ 1162.210598] ? __ip_queue_xmit (net/ipv4/ip_output.c:535) 
[ 1162.210875] __ip_queue_xmit (net/ipv4/ip_output.c:535) 
[ 1162.211117] __tcp_transmit_skb (net/ipv4/tcp_output.c:1462 (discriminator 4)) 
[ 1162.211334] tcp_write_xmit (net/ipv4/tcp_output.c:2792) 
[ 1162.211544] __tcp_push_pending_frames (net/ipv4/tcp_output.c:2977) 
[ 1162.211800] tcp_rcv_state_process (net/ipv4/tcp_input.c:5654 net/ipv4/tcp_input.c:6867) 
[ 1162.212083] ? tcp_v4_rcv (./include/linux/skbuff.h:1619 ./include/net/tcp.h:2510 net/ipv4/tcp_ipv4.c:2326) 
[ 1162.212293] ? tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1929) 
[ 1162.212491] tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1929) 
[ 1162.212699] tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2329) 
[ 1162.212900] ? process_backlog (net/core/dev.c:5987 (discriminator 2)) 
[ 1162.213130] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 1)) 
[ 1162.213382] ip_local_deliver_finish (./include/linux/rcupdate.h:779 net/ipv4/ip_input.c:234) 
[ 1162.213619] __netif_receive_skb_one_core (net/core/dev.c:5551 (discriminator 4)) 
[ 1162.213889] process_backlog (./include/linux/rcupdate.h:779 net/core/dev.c:5994) 
[ 1162.214127] __napi_poll.constprop.0 (net/core/dev.c:6622) 
[ 1162.214363] net_rx_action (net/core/dev.c:6693 net/core/dev.c:6824) 
[ 1162.214567] __do_softirq (kernel/softirq.c:553) 
[ 1162.214800] irq_exit_rcu (kernel/softirq.c:427 kernel/softirq.c:632 kernel/softirq.c:644) 
[ 1162.215091] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1076 (discriminator 14)) 
[ 1162.215483]  </IRQ>
[ 1162.215658]  <TASK>
[ 1162.215847] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:649) 
[ 1162.216258] RIP: 0010:default_idle (./arch/x86/include/asm/irqflags.h:37 ./arch/x86/include/asm/irqflags.h:72 arch/x86/kernel/process.c:743) 
[ 1162.216584] 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 13 ae 3f 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 13 ae 3f 00 	verw   0x3fae13(%rip)        # 0x3fae3b
  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
[ 1162.218016] RSP: 0018:ffffb2b0400abee8 EFLAGS: 00000246
[ 1162.218436] RAX: 00000000005c9e9f RBX: ffff9def0133a140 RCX: 4000000000000000
[ 1162.218992] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff929a8863
[ 1162.219546] RBP: 0000000000000002 R08: 0000000000000001 R09: 0000000000000001
[ 1162.219937] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[ 1162.220303] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 1162.220689] ? do_idle (kernel/sched/idle.c:171 kernel/sched/idle.c:312) 
[ 1162.220895] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:98) 
[ 1162.221129] do_idle (kernel/sched/idle.c:171 kernel/sched/idle.c:312) 
[ 1162.221319] cpu_startup_entry (kernel/sched/idle.c:409 (discriminator 1)) 
[ 1162.221523] start_secondary (arch/x86/kernel/smpboot.c:336) 


Finger prints:
dump_stack_lvl:__lock_acquire:lock_acquire:_raw_spin_lock_nested