====================================== | [ 63.096699][ C0] #6: ffffffffa61447e0 (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)) | [ 63.097465][ C0] #7: ffffffffa61447e0 (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) | [ 63.098229][ C0] | [ 63.098229][ C0] stack backtrace: [ 63.099278][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 63.100176][ C0] Call Trace: [ 63.100442][ C0] [ 63.100671][ C0] dump_stack_lvl (lib/dump_stack.c:107) [ 63.101018][ C0] validate_chain (kernel/locking/lockdep.c:3859) [ 63.101384][ C0] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 63.101783][ C0] ? 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) [ 63.102132][ C0] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 63.102478][ C0] __lock_acquire (kernel/locking/lockdep.c:5137) [ 63.102845][ C0] ? lock_downgrade (kernel/locking/lockdep.c:5656) [ 63.103215][ C0] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 63.103548][ C0] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 63.103938][ C0] ? tcp_v4_rcv (./include/linux/skbuff.h:1619 ./include/net/tcp.h:2510 net/ipv4/tcp_ipv4.c:2326) [ 63.104303][ C0] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 63.104723][ C0] ? __pfx_sk_filter_trim_cap (net/core/filter.c:130) [ 63.105140][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725) [ 63.105507][ C0] ? tcp_v4_rcv (./include/linux/skbuff.h:1619 ./include/net/tcp.h:2510 net/ipv4/tcp_ipv4.c:2326) [ 63.105866][ C0] _raw_spin_lock_nested (kernel/locking/spinlock.c:379) [ 63.106261][ C0] ? tcp_v4_rcv (./include/linux/skbuff.h:1619 ./include/net/tcp.h:2510 net/ipv4/tcp_ipv4.c:2326) [ 63.106628][ C0] tcp_v4_rcv (./include/linux/skbuff.h:1619 ./include/net/tcp.h:2510 net/ipv4/tcp_ipv4.c:2326) [ 63.106988][ C0] ? __pfx_tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2162) [ 63.107363][ C0] ? __pfx_raw_v4_input (net/ipv4/raw.c:165) [ 63.107756][ C0] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 63.108189][ C0] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207 (discriminator 8)) [ 63.108594][ C0] ip_local_deliver_finish (./include/linux/rcupdate.h:779 net/ipv4/ip_input.c:234) [ 63.109017][ C0] ip_local_deliver (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:254) [ 63.109397][ C0] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243) [ 63.109798][ C0] ? tcp_v4_early_demux (./include/linux/skbuff.h:1163 net/ipv4/tcp_ipv4.c:1988) [ 63.110217][ C0] ? ip_rcv_finish_core.constprop.0 (./include/linux/skbuff.h:1131 ./include/linux/skbuff.h:1183 net/ipv4/ip_input.c:390) [ 63.110711][ C0] 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) [ 63.111022][ C0] ? __pfx_ip_rcv (net/ipv4/ip_input.c:562) [ 63.111358][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 63.111742][ C0] ? 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)) [ 63.112158][ C0] ? __pfx_ip_rcv (net/ipv4/ip_input.c:562) [ 63.112486][ C0] __netif_receive_skb_one_core (net/core/dev.c:5509 (discriminator 4)) [ 63.112921][ C0] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5502) [ 63.113393][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 63.113755][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725) [ 63.114116][ C0] ? 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)) [ 63.114565][ C0] netif_receive_skb_internal (net/core/dev.c:5709) [ 63.115017][ C0] ? __pfx_netif_receive_skb_internal (net/core/dev.c:5688) [ 63.115481][ C0] ? __copy_skb_header (./include/net/dst.h:290 net/core/skbuff.c:1420) [ 63.115858][ C0] ? __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)) [ 63.116192][ C0] netif_receive_skb (net/core/dev.c:5768) [ 63.116554][ C0] tcf_mirred_to_dev (net/sched/act_mirred.c:251 net/sched/act_mirred.c:326) act_mirred [ 63.117011][ C0] ? __pfx_tcf_skbedit_act (net/sched/act_skbedit.c:43) act_skbedit [ 63.117508][ C0] tcf_mirred_act (net/sched/act_mirred.c:461 (discriminator 2)) act_mirred [ 63.117954][ C0] tcf_action_exec.part.0 (./include/net/tc_wrapper.h:130 net/sched/act_api.c:1129) [ 63.118376][ C0] fl_classify (net/sched/cls_flower.c:345) cls_flower [ 63.118832][ C0] ? __pfx_fl_classify (net/sched/cls_flower.c:316) cls_flower [ 63.119302][ C0] ? __pfx_check_irq_usage (kernel/locking/lockdep.c:2790) [ 63.119693][ C0] ? __bfs (kernel/locking/lockdep.c:1787) [ 63.120005][ C0] ? __pfx_hlock_conflict (kernel/locking/lockdep.c:2016) [ 63.120397][ C0] ? check_path.constprop.0 (kernel/locking/lockdep.c:2145) [ 63.120795][ C0] ? check_noncircular (kernel/locking/lockdep.c:2172) [ 63.121170][ C0] ? 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) [ 63.121506][ C0] ? __pfx_check_noncircular (kernel/locking/lockdep.c:2163) [ 63.121915][ C0] ? __pfx_hlock_conflict (kernel/locking/lockdep.c:2016) [ 63.122319][ C0] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 63.122729][ C0] ? 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) [ 63.123049][ C0] ? 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) [ 63.123386][ C0] ? check_prev_add (kernel/locking/lockdep.c:3172) [ 63.123762][ C0] __tcf_classify (./include/net/tc_wrapper.h:197 net/sched/cls_api.c:1734) [ 63.124121][ C0] tcf_classify (net/sched/cls_api.c:1830) [ 63.124472][ C0] ? __pfx_tcf_classify (net/sched/cls_api.c:1779) [ 63.124855][ C0] ? __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:802 net/core/dev.c:4251) [ 63.125258][ C0] ? __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:802 net/core/dev.c:4251) [ 63.125652][ C0] tc_run (net/core/dev.c:3912) [ 63.125970][ C0] ? __pfx_tc_run (net/core/dev.c:3896) [ 63.126333][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725) [ 63.126707][ C0] ? __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:802 net/core/dev.c:4251) [ 63.127218][ C0] __dev_queue_xmit (net/core/dev.c:4036 net/core/dev.c:4268) [ 63.127611][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 63.127967][ C0] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 63.128472][ C0] ? __pfx___dev_queue_xmit (net/core/dev.c:4235) [ 63.128892][ C0] ? __pfx_vrf_output_direct_finish (./include/linux/skbuff.h:1134) vrf [ 63.129399][ C0] ip_finish_output2 (./include/net/neighbour.h:540 net/ipv4/ip_output.c:235) [ 63.129794][ C0] ? __pfx_ip_finish_output2 (net/ipv4/ip_output.c:199) [ 63.130219][ C0] ? __ip_finish_output (net/ipv4/ip_output.c:256 net/ipv4/ip_output.c:308 net/ipv4/ip_output.c:295) [ 63.130622][ C0] ip_output (./include/linux/netfilter.h:303 net/ipv4/ip_output.c:433) [ 63.130956][ C0] ? __pfx_ip_output (net/ipv4/ip_output.c:427) [ 63.131299][ C0] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 63.131720][ C0] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 63.132217][ C0] ? ip_local_out (./include/linux/skbuff.h:1131 ./include/net/dst.h:450 net/ipv4/ip_output.c:129) [ 63.132585][ C0] __ip_queue_xmit (net/ipv4/ip_output.c:535 (discriminator 4)) [ 63.132967][ C0] ? __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)) [ 63.133318][ C0] __tcp_transmit_skb (net/ipv4/tcp_output.c:1462 (discriminator 4)) [ 63.133716][ C0] ? __pfx___tcp_transmit_skb (net/ipv4/tcp_output.c:1283) [ 63.134138][ C0] ? 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) [ 63.134607][ C0] tcp_write_xmit (net/ipv4/tcp_output.c:2792) [ 63.134986][ C0] ? ipv4_mtu (./include/net/net_namespace.h:383 ./include/linux/netdevice.h:2655 ./include/net/ip.h:465 net/ipv4/route.c:1326) [ 63.135314][ C0] ? __pfx_tcp_write_xmit (net/ipv4/tcp_output.c:2702) [ 63.135705][ C0] ? __pfx_tcp_current_mss (net/ipv4/tcp_output.c:1853) [ 63.136123][ C0] __tcp_push_pending_frames (net/ipv4/tcp_output.c:2977) [ 63.136561][ C0] tcp_rcv_state_process (net/ipv4/tcp_input.c:5654 net/ipv4/tcp_input.c:6870) [ 63.136978][ C0] ? tcp_v4_rcv (./include/linux/skbuff.h:1619 ./include/net/tcp.h:2510 net/ipv4/tcp_ipv4.c:2326) [ 63.137345][ C0] ? 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) [ 63.137684][ C0] ? __lock_acquired (kernel/locking/lockdep.c:339 kernel/locking/lockdep.c:5991) [ 63.137953][ C0] ? __pfx_tcp_rcv_state_process (net/ipv4/tcp_input.c:6620) [ 63.138268][ C0] ? __pfx___lock_acquired (kernel/locking/lockdep.c:5959) [ 63.138689][ C0] ? __pfx_do_raw_spin_trylock (kernel/locking/spinlock_debug.c:122) [ 63.139079][ C0] tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1929) [ 63.139340][ C0] tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2329) [ 63.139584][ C0] ? __pfx_tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2162) [ 63.139844][ C0] ? __pfx_raw_v4_input (net/ipv4/raw.c:165) [ 63.140101][ C0] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 63.140402][ C0] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207 (discriminator 8)) [ 63.140692][ C0] ip_local_deliver_finish (./include/linux/rcupdate.h:779 net/ipv4/ip_input.c:234) [ 63.141080][ C0] ip_local_deliver (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:254) [ 63.141455][ C0] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243) [ 63.141875][ C0] ? tcp_v4_early_demux (./include/linux/skbuff.h:1163 net/ipv4/tcp_ipv4.c:1988) [ 63.142275][ C0] ? ip_rcv_finish_core.constprop.0 (./include/linux/skbuff.h:1131 ./include/linux/skbuff.h:1183 net/ipv4/ip_input.c:390) [ 63.142757][ C0] 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) [ 63.143077][ C0] ? __pfx_ip_rcv (net/ipv4/ip_input.c:562) [ 63.143429][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 63.143813][ C0] ? process_backlog (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/dev.c:5950) [ 63.144189][ C0] ? __pfx_ip_rcv (net/ipv4/ip_input.c:562) [ 63.144535][ C0] __netif_receive_skb_one_core (net/core/dev.c:5509 (discriminator 4)) [ 63.144981][ C0] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5502) [ 63.145476][ C0] ? __pfx_do_raw_spin_trylock (kernel/locking/spinlock_debug.c:122) [ 63.145923][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725) [ 63.146297][ C0] ? process_backlog (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/dev.c:5950) [ 63.146673][ C0] process_backlog (./include/linux/rcupdate.h:779 net/core/dev.c:5952) [ 63.147031][ C0] __napi_poll.constprop.0 (net/core/dev.c:6551) [ 63.147437][ C0] net_rx_action (net/core/dev.c:6620 net/core/dev.c:6753) [ 63.147785][ C0] ? __pfx_net_rx_action (net/core/dev.c:6717) [ 63.148181][ C0] ? __pfx___schedule (kernel/sched/core.c:6608) [ 63.148544][ C0] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) [ 63.148946][ C0] __do_softirq (kernel/softirq.c:553) [ 63.149294][ C0] ? __pfx_run_ksoftirqd (kernel/softirq.c:914) [ 63.149700][ C0] run_ksoftirqd (kernel/softirq.c:410 kernel/softirq.c:922 kernel/softirq.c:913) [ 63.150054][ C0] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) [ 63.150433][ C0] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) [ 63.150837][ C0] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) [ 63.151246][ C0] kthread (kernel/kthread.c:388) [ 63.151564][ C0] ? __pfx_kthread (kernel/kthread.c:341) [ 63.151917][ C0] ret_from_fork (arch/x86/kernel/process.c:147) [ 63.152260][ C0] ? __pfx_kthread (kernel/kthread.c:341) Finger prints: dump_stack_lvl:validate_chain:__lock_acquire:_raw_spin_lock_nested