======================================
| [ 2366.742032][ C3] #6: ffffffff9bf467e0 (rcu_read_lock){....}-{1:2}, at: netif_receive_skb_internal (./include/linux/rcupdate.h:298 (discriminator 16) ./include/linux/rcupdate.h:750 (discriminator 16) net/core/dev.c:5696 (discriminator 16)) 
| [ 2366.742566][ C3] #7: ffffffff9bf467e0 (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) 
| [ 2366.743076][    C3]
| [ 2366.743076][    C3] stack backtrace:
[ 2366.743825][    C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2366.744475][    C3] Call Trace:
[ 2366.744675][    C3]  <TASK>
[ 2366.744835][
DETECTED CRASH, lowering timeout
C3] dump_stack_lvl (lib/dump_stack.c:107) 
[ 2366.745102][ C3] validate_chain (kernel/locking/lockdep.c:3859) 
[ 2366.745365][ C3] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) 
[ 2366.745654][ C3] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228) 
[ 2366.745896][ C3] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) 
[ 2366.746124][ C3] __lock_acquire (kernel/locking/lockdep.c:5137) 
[ 2366.746405][ C3] ? lock_downgrade (kernel/locking/lockdep.c:5656) 
[ 2366.746645][ C3] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) 
[ 2366.746874][ C3] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) 
[ 2366.747149][ C3] ? tcp_v4_rcv (./include/linux/skbuff.h:1619 ./include/net/tcp.h:2510 net/ipv4/tcp_ipv4.c:2326) 
[ 2366.747421][ C3] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) 
[ 2366.747704][ C3] ? __pfx_sk_filter_trim_cap (net/core/filter.c:130) 
[ 2366.747996][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725) 
[ 2366.748240][ C3] ? tcp_v4_rcv (./include/linux/skbuff.h:1619 ./include/net/tcp.h:2510 net/ipv4/tcp_ipv4.c:2326) 
[ 2366.748514][ C3] _raw_spin_lock_nested (kernel/locking/spinlock.c:379) 
[ 2366.748801][ C3] ? tcp_v4_rcv (./include/linux/skbuff.h:1619 ./include/net/tcp.h:2510 net/ipv4/tcp_ipv4.c:2326) 
[ 2366.749045][ C3] tcp_v4_rcv (./include/linux/skbuff.h:1619 ./include/net/tcp.h:2510 net/ipv4/tcp_ipv4.c:2326) 
[ 2366.749308][ C3] ? __pfx_tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2162) 
[ 2366.749560][ C3] ? __pfx_raw_v4_input (net/ipv4/raw.c:165) 
[ 2366.749832][ C3] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) 
[ 2366.750123][ C3] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207 (discriminator 8)) 
[ 2366.750417][ C3] ip_local_deliver_finish (./include/linux/rcupdate.h:779 net/ipv4/ip_input.c:234) 
[ 2366.750719][ C3] ip_local_deliver (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:254) 
[ 2366.750997][ C3] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243) 
[ 2366.751274][ C3] ? tcp_v4_early_demux (./include/linux/skbuff.h:1163 net/ipv4/tcp_ipv4.c:1988) 
[ 2366.751571][ C3] ? ip_rcv_finish_core.constprop.0 (./include/linux/skbuff.h:1131 ./include/linux/skbuff.h:1183 net/ipv4/ip_input.c:390) 
[ 2366.751915][ C3] ip_rcv (./include/net/dst.h:460 net/ipv4/ip_input.c:449 ./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:569) 
[ 2366.752125][ C3] ? __pfx_ip_rcv (net/ipv4/ip_input.c:562) 
[ 2366.752385][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) 
[ 2366.752675][ C3] ? netif_receive_skb_internal (./include/linux/rcupdate.h:298 (discriminator 16) ./include/linux/rcupdate.h:750 (discriminator 16) net/core/dev.c:5696 (discriminator 16)) 
[ 2366.752984][ C3] ? __pfx_ip_rcv (net/ipv4/ip_input.c:562) 
[ 2366.753240][ C3] __netif_receive_skb_one_core (net/core/dev.c:5509 (discriminator 4)) 
[ 2366.753557][ C3] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5502) 
[ 2366.753891][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4274) 
[ 2366.754152][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725) 
[ 2366.754408][ C3] ? netif_receive_skb_internal (./include/linux/rcupdate.h:298 (discriminator 16) ./include/linux/rcupdate.h:750 (discriminator 16) net/core/dev.c:5696 (discriminator 16)) 
[ 2366.754716][ C3] netif_receive_skb_internal (net/core/dev.c:5709) 
[ 2366.755017][ C3] ? __pfx_netif_receive_skb_internal (net/core/dev.c:5688) 
[ 2366.755344][ C3] ? __copy_skb_header (./include/net/dst.h:290 net/core/skbuff.c:1420) 
[ 2366.755604][ C3] ? __skb_clone (./arch/x86/include/asm/atomic.h:53 (discriminator 4) ./include/linux/atomic/atomic-arch-fallback.h:992 (discriminator 4) ./include/linux/atomic/atomic-instrumented.h:436 (discriminator 4) net/core/skbuff.c:1491 (discriminator 4)) 
[ 2366.755873][ C3] netif_receive_skb (net/core/dev.c:5768) 
[ 2366.756131][ C3] tcf_mirred_to_dev (net/sched/act_mirred.c:249 net/sched/act_mirred.c:324) act_mirred
[ 2366.756477][ C3] ? __pfx_tcf_skbedit_act (net/sched/act_skbedit.c:43) act_skbedit
[ 2366.756825][ C3] tcf_mirred_act (net/sched/act_mirred.c:459 (discriminator 2)) act_mirred
[ 2366.757146][ C3] tcf_action_exec.part.0 (./include/net/tc_wrapper.h:130 net/sched/act_api.c:1100) 
[ 2366.757429][ C3] fl_classify (net/sched/cls_flower.c:345) cls_flower
[ 2366.757747][ C3] ? __pfx_fl_classify (net/sched/cls_flower.c:316) cls_flower
[ 2366.758075][ C3] ? __pfx_check_irq_usage (kernel/locking/lockdep.c:2790) 
[ 2366.758366][ C3] ? __bfs (kernel/locking/lockdep.c:1787) 
[ 2366.758579][ C3] ? __pfx_hlock_conflict (kernel/locking/lockdep.c:2016) 
[ 2366.758850][ C3] ? check_path.constprop.0 (kernel/locking/lockdep.c:2145) 
[ 2366.759152][ C3] ? check_noncircular (kernel/locking/lockdep.c:2172) 
[ 2366.759428][ C3] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228) 
[ 2366.759677][ C3] ? __pfx_check_noncircular (kernel/locking/lockdep.c:2163) 
[ 2366.759952][ C3] ? __pfx_hlock_conflict (kernel/locking/lockdep.c:2016) 
[ 2366.760231][ C3] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) 
[ 2366.760513][ C3] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228) 
[ 2366.760745][ C3] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228) 
[ 2366.760992][ C3] ? check_prev_add (kernel/locking/lockdep.c:3172) 
[ 2366.761253][ C3] __tcf_classify (./include/net/tc_wrapper.h:197 net/sched/cls_api.c:1734) 
[ 2366.761533][ C3] tcf_classify (net/sched/cls_api.c:1830) 
[ 2366.761765][ C3] ? __pfx_tcf_classify (net/sched/cls_api.c:1779) 
[ 2366.762024][ C3] ? __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:802 net/core/dev.c:4251) 
[ 2366.762288][ C3] ? __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:802 net/core/dev.c:4251) 
[ 2366.762599][ C3] tc_run (net/core/dev.c:3912) 
[ 2366.762811][ C3] ? __pfx_tc_run (net/core/dev.c:3896) 
[ 2366.763046][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725) 
[ 2366.763305][ C3] ? __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:802 net/core/dev.c:4251) 
[ 2366.763583][ C3] __dev_queue_xmit (net/core/dev.c:4036 net/core/dev.c:4268) 
[ 2366.763839][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4274) 
[ 2366.764103][ C3] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) 
[ 2366.764445][ C3] ? __pfx___dev_queue_xmit (net/core/dev.c:4235) 
[ 2366.764739][ C3] ? __pfx_vrf_output_direct_finish (./include/linux/skbuff.h:1134) vrf
[ 2366.765100][ C3] ip_finish_output2 (./include/net/neighbour.h:540 net/ipv4/ip_output.c:235) 
[ 2366.765368][ C3] ? __pfx_ip_finish_output2 (net/ipv4/ip_output.c:199) 
[ 2366.765670][ C3] ? __ip_finish_output (net/ipv4/ip_output.c:256 net/ipv4/ip_output.c:308 net/ipv4/ip_output.c:295) 
[ 2366.765940][ C3] ip_output (./include/linux/netfilter.h:303 net/ipv4/ip_output.c:433) 
[ 2366.766167][ C3] ? __pfx_ip_output (net/ipv4/ip_output.c:427) 
[ 2366.766454][ C3] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) 
[ 2366.766753][ C3] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) 
[ 2366.767100][ C3] ? ip_local_out (./include/linux/skbuff.h:1131 ./include/net/dst.h:450 net/ipv4/ip_output.c:129) 
[ 2366.767372][ C3] __ip_queue_xmit (net/ipv4/ip_output.c:535 (discriminator 4)) 
[ 2366.767641][ C3] ? __skb_clone (./arch/x86/include/asm/atomic.h:53 (discriminator 4) ./include/linux/atomic/atomic-arch-fallback.h:992 (discriminator 4) ./include/linux/atomic/atomic-instrumented.h:436 (discriminator 4) net/core/skbuff.c:1491 (discriminator 4)) 
[ 2366.767881][ C3] __tcp_transmit_skb (net/ipv4/tcp_output.c:1462 (discriminator 4)) 
[ 2366.768172][ C3] ? __pfx___tcp_transmit_skb (net/ipv4/tcp_output.c:1283) 
[ 2366.768467][ C3] ? tcp_small_queue_check.isra.0 (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/linux/refcount.h:136 net/ipv4/tcp_output.c:2623) 
[ 2366.768782][ C3] tcp_write_xmit (net/ipv4/tcp_output.c:2792) 
[ 2366.769050][ C3] ? ipv4_mtu (./include/net/net_namespace.h:383 ./include/linux/netdevice.h:2655 ./include/net/ip.h:465 net/ipv4/route.c:1326) 
[ 2366.769278][ C3] ? __pfx_tcp_write_xmit (net/ipv4/tcp_output.c:2702) 
[ 2366.769567][ C3] ? __pfx_tcp_current_mss (net/ipv4/tcp_output.c:1853) 
[ 2366.769852][ C3] __tcp_push_pending_frames (net/ipv4/tcp_output.c:2977) 
[ 2366.770164][ C3] tcp_rcv_state_process (net/ipv4/tcp_input.c:5654 net/ipv4/tcp_input.c:6870) 
[ 2366.770445][ C3] ? tcp_v4_rcv (./include/linux/skbuff.h:1619 ./include/net/tcp.h:2510 net/ipv4/tcp_ipv4.c:2326) 
[ 2366.770695][ C3] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228) 
[ 2366.770967][ C3] ? __lock_acquired (kernel/locking/lockdep.c:339 kernel/locking/lockdep.c:5991) 
[ 2366.771232][ C3] ? __pfx_tcp_rcv_state_process (net/ipv4/tcp_input.c:6620) 
[ 2366.771530][ C3] ? __pfx___lock_acquired (kernel/locking/lockdep.c:5959) 
[ 2366.771830][ C3] ? __pfx_do_raw_spin_trylock (kernel/locking/spinlock_debug.c:122) 
[ 2366.772122][ C3] tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1929) 
[ 2366.772364][ C3] tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2329) 
[ 2366.772627][ C3] ? __pfx_tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2162) 
[ 2366.772888][ C3] ? __pfx_raw_v4_input (net/ipv4/raw.c:165) 
[ 2366.773150][ C3] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) 
[ 2366.773465][ C3] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207 (discriminator 8)) 
[ 2366.773747][ C3] ip_local_deliver_finish (./include/linux/rcupdate.h:779 net/ipv4/ip_input.c:234) 
[ 2366.774035][ C3] ip_local_deliver (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:254) 
[ 2366.774317][ C3] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243) 
[ 2366.774607][ C3] ? tcp_v4_early_demux (./include/linux/skbuff.h:1163 net/ipv4/tcp_ipv4.c:1988) 
[ 2366.774897][ C3] ? ip_rcv_finish_core.constprop.0 (./include/linux/skbuff.h:1131 ./include/linux/skbuff.h:1183 net/ipv4/ip_input.c:390) 
[ 2366.775223][ C3] ip_rcv (./include/net/dst.h:460 net/ipv4/ip_input.c:449 ./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:569) 
[ 2366.775441][ C3] ? __pfx_ip_rcv (net/ipv4/ip_input.c:562) 
[ 2366.775699][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) 
[ 2366.775977][ C3] ? process_backlog (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/dev.c:5950) 
[ 2366.776257][ C3] ? __pfx_ip_rcv (net/ipv4/ip_input.c:562) 
[ 2366.776498][ C3] __netif_receive_skb_one_core (net/core/dev.c:5509 (discriminator 4)) 
[ 2366.776804][ C3] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5502) 
[ 2366.777149][ C3] ? __pfx_do_raw_spin_trylock (kernel/locking/spinlock_debug.c:122) 
[ 2366.777452][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725) 
[ 2366.777698][ C3] ? process_backlog (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/dev.c:5950) 
[ 2366.777973][ C3] process_backlog (./include/linux/rcupdate.h:779 net/core/dev.c:5952) 
[ 2366.778224][ C3] __napi_poll.constprop.0 (net/core/dev.c:6551) 
[ 2366.778523][ C3] net_rx_action (net/core/dev.c:6620 net/core/dev.c:6753) 
[ 2366.778764][ C3] ? __pfx_net_rx_action (net/core/dev.c:6717) 
[ 2366.779040][ C3] ? __pfx___schedule (kernel/sched/core.c:6608) 
[ 2366.779302][ C3] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) 
[ 2366.779599][ C3] __do_softirq (kernel/softirq.c:553) 
[ 2366.779855][ C3] ? __pfx_run_ksoftirqd (kernel/softirq.c:914) 
[ 2366.780129][ C3] run_ksoftirqd (kernel/softirq.c:410 kernel/softirq.c:922 kernel/softirq.c:913) 
[ 2366.780375][ C3] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 2366.780635][ C3] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) 
[ 2366.780932][ C3] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) 
[ 2366.781241][ C3] kthread (kernel/kthread.c:388) 
[ 2366.781452][ C3] ? __pfx_kthread (kernel/kthread.c:341) 
[ 2366.781687][ C3] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 2366.781944][ C3] ? __pfx_kthread (kernel/kthread.c:341) 


Finger prints:
dump_stack_lvl:validate_chain:__lock_acquire:_raw_spin_lock_nested