======================================
| [ 1152.405377] #6: ffffffffa17678c0 (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) 
| [ 1152.405826] #7: ffffffffa17678c0 (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) 
| [ 1152.406329]
| [ 1152.406329] stack backtrace:
[ 1152.406966] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1152.407580] Call Trace:
[ 1152.407717]  <TASK>
[ 1152.407838] dump_stack_lvl (lib/dump_stack.c:108) 
[ 1152.408058] __lock_acquire (kernel/locking/lockdep.c:5138) 
[ 1152.408281] ? sk_filter_trim_cap (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/filter.c:151) 
[ 1152.408522] lock_acquire (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756 kernel/locking/lockdep.c:5719) 
[ 1152.408723] ? tcp_v4_rcv (./include/linux/skbuff.h:1619 ./include/net/tcp.h:2510 net/ipv4/tcp_ipv4.c:2326) 
[ 1152.408924] ? sk_filter_trim_cap (net/core/filter.c:165) 
[ 1152.409151] _raw_spin_lock_nested (kernel/locking/spinlock.c:379) 
[ 1152.409397] ? tcp_v4_rcv (./include/linux/skbuff.h:1619 ./include/net/tcp.h:2510 net/ipv4/tcp_ipv4.c:2326) 
[ 1152.409609] tcp_v4_rcv (./include/linux/skbuff.h:1619 ./include/net/tcp.h:2510 net/ipv4/tcp_ipv4.c:2326) 
[ 1152.409807] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 1)) 
[ 1152.410055] ip_local_deliver_finish (./include/linux/rcupdate.h:779 net/ipv4/ip_input.c:234) 
[ 1152.410302] __netif_receive_skb_one_core (net/core/dev.c:5551 (discriminator 4)) 
[ 1152.410570] netif_receive_skb (net/core/dev.c:5751 net/core/dev.c:5810) 
[ 1152.410791]  tcf_mirred_to_dev+0x1
DETECTED CRASH, lowering timeout
f6/0x410 [act_mirred]
[ 1152.411073] tcf_mirred_act (net/sched/act_mirred.c:459 (discriminator 2)) act_mirred
[ 1152.411342] ? tcf_skbedit_act (net/sched/act_skbedit.c:51 (discriminator 3)) act_skbedit
[ 1152.411628] tcf_action_exec (./include/net/tc_wrapper.h:130 net/sched/act_api.c:1100 net/sched/act_api.c:1074) 
[ 1152.411838] fl_classify (net/sched/cls_flower.c:345) cls_flower
[ 1152.412105] ? fl_mask_lookup (net/sched/cls_flower.c:296) cls_flower
[ 1152.412380] ? __bfs (kernel/locking/lockdep.c:1787) 
[ 1152.412562] ? check_irq_usage (kernel/locking/lockdep.c:2823) 
[ 1152.412787] ? lock_is_held_type (kernel/locking/lockdep.c:5495 kernel/locking/lockdep.c:5825) 
[ 1152.413010] ? check_path.constprop.0 (kernel/locking/lockdep.c:2145) 
[ 1152.413271] ? check_noncircular (kernel/locking/lockdep.c:2172) 
[ 1152.413492] ? lock_release (kernel/locking/lockdep.c:5430 kernel/locking/lockdep.c:5774) 
[ 1152.413696] ? __lock_acquire (kernel/locking/lockdep.c:5133 (discriminator 1)) 
[ 1152.413934] tcf_classify (./include/net/tc_wrapper.h:197 net/sched/cls_api.c:1734 net/sched/cls_api.c:1830) 
[ 1152.414140] tc_run (net/core/dev.c:3920) 
[ 1152.414311] __dev_queue_xmit (net/core/dev.c:4044 net/core/dev.c:4276) 
[ 1152.414540] ? mark_held_locks (kernel/locking/lockdep.c:4274) 
[ 1152.414755] ip_finish_output2 (./include/linux/netdevice.h:3172 ./include/net/neighbour.h:526 ./include/net/neighbour.h:540 net/ipv4/ip_output.c:235) 
[ 1152.414984] ? __ip_queue_xmit (net/ipv4/ip_output.c:535) 
[ 1152.415208] __ip_queue_xmit (net/ipv4/ip_output.c:535) 
[ 1152.415418] __tcp_transmit_skb (net/ipv4/tcp_output.c:1462 (discriminator 4)) 
[ 1152.415640] tcp_write_xmit (net/ipv4/tcp_output.c:2792) 
[ 1152.415891] __tcp_push_pending_frames (net/ipv4/tcp_output.c:2977) 
[ 1152.416134] tcp_rcv_state_process (net/ipv4/tcp_input.c:5654 net/ipv4/tcp_input.c:6870) 
[ 1152.416371] ? tcp_v4_rcv (./include/linux/skbuff.h:1619 ./include/net/tcp.h:2510 net/ipv4/tcp_ipv4.c:2326) 
[ 1152.416588] ? tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1929) 
[ 1152.416800] tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1929) 
[ 1152.416992] tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2329) 
[ 1152.417191] ? process_backlog (net/core/dev.c:5987 (discriminator 2)) 
[ 1152.417409] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 1)) 
[ 1152.417664] ip_local_deliver_finish (./include/linux/rcupdate.h:779 net/ipv4/ip_input.c:234) 
[ 1152.417904] __netif_receive_skb_one_core (net/core/dev.c:5551 (discriminator 4)) 
[ 1152.418163] process_backlog (./include/linux/rcupdate.h:779 net/core/dev.c:5994) 
[ 1152.418385] __napi_poll.constprop.0 (net/core/dev.c:6622) 
[ 1152.418632] net_rx_action (net/core/dev.c:6693 net/core/dev.c:6824) 
[ 1152.418830] __do_softirq (kernel/softirq.c:553) 
[ 1152.419023] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) 
[ 1152.419291] run_ksoftirqd (kernel/softirq.c:410 kernel/softirq.c:922 kernel/softirq.c:913) 
[ 1152.419490] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 1152.419716] kthread (kernel/kthread.c:388) 
[ 1152.419890] ? __pfx_kthread (kernel/kthread.c:341) 
[ 1152.420092] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 1152.420307] ? __pfx_kthread (kernel/kthread.c:341) 


Finger prints:
dump_stack_lvl:__lock_acquire:lock_acquire:_raw_spin_lock_nested