======================================
| [ 1139.669502] #6: ffffffffba9678c0 (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) 
| [ 1139.669969] #7: ffffffffba9678c0 (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) 
| [ 1139.670461]
| [ 1139.670461] stack backtrace:
[ 1139.671075] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1139.671680] Call Trace:
[ 1139.671822]  <TASK>
[ 1139.671955] dump_stack_lvl (lib/dump_stack.c:108) 
[ 1139.672157] __lock_acquire (kernel/locking/lockdep.c:5138) 
[ 1139.672387] ? sk_filter_trim_cap (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/filter.c:151) 
[ 1139.672624] lock_acquire (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756 kernel/locking/lockdep.c:5719) 
[ 1139.672832] ? tcp_v4_rcv (./include/linux/skbuff.h:1619 ./include/net/tcp.h:2510 net/ipv4/tcp_ipv4.c:2326) 
[ 1139.673029] ? sk_filter_trim_cap (net/core/filter.c:165) 
[ 1139.673266] _raw_spin_lock_nested (kernel/locking/spinlock.c:379) 
[ 1139.673506] ? tcp_v4_rcv (./include/linux/skbuff.h:1619 ./include/net/tcp.h:2510 net/ipv4/tcp_ipv4.c:2326) 
[ 1139.673708] tcp_v4_rcv (./include/linux/skbuff.h:1619 ./include/net/tcp.h:2510 net/ipv4/tcp_ipv4.c:2326) 
[ 1139.673910] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 1)) 
[ 1139.674152] ip_local_deliver_finish (./include/linux/rcupdate.h:779 net/ipv4/ip_input.c:234) 
[ 1139.674396] __netif_receive_skb_one_core (net/core/dev.c:5542 (discriminator 4)) 
[ 1139.674671] netif_receive_skb (net/core/dev.c:5742 net/core/dev.c:5801) 
[ 1139.674891] tcf_mirred_to_dev (net/sched/act_mirred.c:329) act_mirred
[ 1139.675174] tcf_mirred_act (net/sched/act_mirred.c:461 (discriminator 2)) act_mirred
[ 1139.675438] ? tcf_skbedit_act (net/sched/act_skbedit.c:51 (discriminator 3)) act_skbedit
[ 1139.675728] tcf_action_exec (./include/net/tc_wrapper.h:130 net/sched/act_api.c:1100 net/sched/act_api.c:1074) 
[ 1139.675940] fl_classify (net/sched/cls_flower.c:345) cls_flower
[ 1139.676200] ? fl_mask_lookup (net/sched/cls_flower.c:296) cls_flower
[ 1139.676473] ? __bfs (kernel/locking/lockdep.c:1787) 
[ 1139.676658] ? check_irq_usage (kernel/locking/lockdep.c:2823) 
[ 1139.676881] ? check_path.constprop.0 (kernel/locking/lockdep.c:2145) 
[ 1139.677133] ? check_noncircular (kernel/locking/lockdep.c:2172) 
[ 1139.677360] ? __lock_acquire (kernel/locking/lockdep.c:5133 (discriminator 1)) 
[ 1139.677590] tcf_classify (./include/net/tc_wrapper.h:197 net/sched/cls_api.c:1734 net/sched/cls_api.c:1830) 
[ 1139.677792] tc_run (net/core/dev.c:3945) 
[ 1139.677971] __dev_queue_xmit (net/core/dev.c:4069 net/core/dev.c:4301) 
[ 1139.678195] ? mark_held_locks (kernel/locking/lockdep.c:4274) 
[ 1139.678417] ip_finish_output2 (./include/linux/netdevice.h:3172 ./include/net/neighbour.h:526 ./include/net/neighbour.h:540 net/ipv4/ip_output.c:235) 
[ 1139.678643] ? __ip_queue_xmit (net/ipv4/ip_output.c:535) 
[ 1139.678874] __ip_queue_xmit (net/ipv4/ip_output.c:535) 
[ 1139.679082] __tcp_transmit_skb (net/ipv4/tcp_output.c:1462 (discriminator 4)) 
[ 1139.679305] ? mark_held_locks (kernel/locking/lockdep.c:4274) 
[ 1139.679528] tcp_write_xmit (net/ipv4/tcp_output.c:2792) 
[ 1139.679750] __tcp_push_pending_frames (net/ipv4/tcp_output.c:2977) 
[ 1139.680006] tcp_rcv_state_process (net/ipv4/tcp_input.c:5654 net/ipv4/tcp_input.c:6870) 
[ 1139.680250] ? tcp_v4_rcv (./include/linux/skbuff.h:1619 ./include/net/tcp.h:2510 net/ipv4/tcp_ipv4.c:2326) 
[ 1139.680457] ? tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1929) 
[ 1139.680678] tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1929) 
[ 1139.680891] tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2329) 
[ 1139.681079] ? process_backlog (net/core/dev.c:5978 (discriminator 2)) 
[ 1139.681295] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 1)) 
[ 1139.681551] ip_local_deliver_finish (./include/linux/rcupdate.h:779 net/ipv4/ip_input.c:234) 
[ 1139.681794] __netif_receive_skb_one_core (net/core/dev.c:5542 (discriminator 4)) 
[ 1139.682061] process_backlog (./include/linux/rcupdate.h:779 net/core/dev.c:5985) 
[ 1139.682278] __napi_poll.constprop.0 (net/core/dev.c:6584) 
[ 1139.682532] net_rx_action (net/core/dev.c:6655 net/core/dev.c:6786) 
[ 1139.682738] __do_softirq (kernel/softirq.c:553) 
[ 1139.682942] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) 
[ 1139.683195] run_ksoftirqd (kernel/softirq.c:410 kernel/softirq.c:922 kernel/softirq.c:913) 
[ 1139.683399] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 1139.683618] kthread (kernel/kthread.c:388) 
[ 1139.683799] ? __pfx_kthread (kernel/kthread.c:341) 
[ 1139.683998] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 1139.684194] ? __pfx_kthread (kernel/kthread.c:341) 


Finger prints:
dump_stack_lvl:__lock_acquire:lock_acquire:_raw_spin_lock_nested