====================================== | [ 66.087871][ C0] #6: ffffffffa27447e0 (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)) | [ 66.088409][ C0] #7: ffffffffa27447e0 (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) | [ 66.088929][ C0] | [ 66.088929][ C0] stack backtrace: [ 66.089657][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 66.090262][ C0] Call Trace: [ 66.090433][ C0] [ 66.090596][ C0] dump_stack_lvl (lib/dump_stack.c:107) [ 66.090842][ C0] validate_chain (kernel/locking/lockdep.c:3859) [ 66.091117][ C0] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 66.091395][ 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) [ 66.091651][ C0] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 66.091873][ C0] __lock_acquire (kernel/locking/lockdep.c:5137) [ 66.092140][ C0] ? lock_downgrade (kernel/locking/lockdep.c:5656) [ 66.092405][ C0] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 66.092631][ C0] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 66.092908][ C0] ? tcp_v4_rcv (./include/linux/skbuff.h:1619 ./include/net/tcp.h:2510 net/ipv4/tcp_ipv4.c:2326) [ 66.093168][ C0] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 66.093469][ C0] ? __pfx_sk_filter_trim_cap (net/core/filter.c:130) [ 66.093781][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725) [ 66.094042][ C0] ? tcp_v4_rcv (./include/linux/skbuff.h:1619 ./include/net/tcp.h:2510 net/ipv4/tcp_ipv4.c:2326) [ 66.094305][ C0] _raw_spin_lock_nested (kernel/locking/spinlock.c:379) [ 66.094585][ C0] ? tcp_v4_rcv (./include/linux/skbuff.h:1619 ./include/net/tcp.h:2510 net/ipv4/tcp_ipv4.c:2326) [ 66.094842][ C0] tcp_v4_rcv (./include/linux/skbuff.h:1619 ./include/net/tcp.h:2510 net/ipv4/tcp_ipv4.c:2326) [ 66.095082][ C0] ? __pfx_tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2162) [ 66.095345][ C0] ? __pfx_raw_v4_input (net/ipv4/raw.c:165) [ 66.095625][ C0] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 66.095922][ C0] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207 (discriminator 8)) [ 66.096221][ C0] ip_local_deliver_finish (./include/linux/rcupdate.h:779 net/ipv4/ip_input.c:234) [ 66.096510][ C0] ip_local_deliver (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:254) [ 66.096780][ C0] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243) [ 66.097068][ C0] ? tcp_v4_early_demux (./include/linux/skbuff.h:1163 net/ipv4/tcp_ipv4.c:1988) [ 66.097354][ C0] ? ip_rcv_finish_core.constprop.0 (./include/linux/skbuff.h:1131 ./include/linux/skbuff.h:1183 net/ipv4/ip_input.c:390) [ 66.097702][ 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) [ 66.097921][ C0] ? __pfx_ip_rcv (net/ipv4/ip_input.c:562) [ 66.098222][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 66.098503][ 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)) [ 66.098815][ C0] ? __pfx_ip_rcv (net/ipv4/ip_input.c:562) [ 66.099053][ C0] __netif_receive_skb_one_core (net/core/dev.c:5509 (discriminator 4)) [ 66.099373][ C0] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5502) [ 66.099695][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 66.099948][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725) [ 66.100205][ 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)) [ 66.100501][ C0] netif_receive_skb_internal (net/core/dev.c:5709) [ 66.100801][ C0] ? __pfx_netif_receive_skb_internal (net/core/dev.c:5688) [ 66.101135][ C0] ? __copy_skb_header (./include/net/dst.h:290 net/core/skbuff.c:1420) [ 66.101403][ 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)) [ 66.101653][ C0] netif_receive_skb (net/core/dev.c:5768) [ 66.101901][ C0] tcf_mirred_to_dev (net/sched/act_mirred.c:251 net/sched/act_mirred.c:326) act_mirred [ 66.102243][ C0] ? __pfx_tcf_skbedit_act (net/sched/act_skbedit.c:43) act_skbedit [ 66.102648][ C0] tcf_mirred_act (net/sched/act_mirred.c:461 (discriminator 2)) act_mirred [ 66.103093][ C0] tcf_action_exec.part.0 (./include/net/tc_wrapper.h:130 net/sched/act_api.c:1100) [ 66.103441][ C0] fl_classify (net/sched/cls_flower.c:345) cls_flower [ 66.103832][ C0] ? __pfx_fl_classify (net/sched/cls_flower.c:316) cls_flower [ 66.104315][ C0] ? __pfx_check_irq_usage (kernel/locking/lockdep.c:2790) [ 66.104721][ C0] ? __bfs (kernel/locking/lockdep.c:1787) [ 66.105039][ C0] ? __pfx_hlock_conflict (kernel/locking/lockdep.c:2016) [ 66.105437][ C0] ? check_path.constprop.0 (kernel/locking/lockdep.c:2145) [ 66.105851][ C0] ? check_noncircular (kernel/locking/lockdep.c:2172) [ 66.106242][ 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) [ 66.106595][ C0] ? __pfx_check_noncircular (kernel/locking/lockdep.c:2163) [ 66.107015][ C0] ? __pfx_hlock_conflict (kernel/locking/lockdep.c:2016) [ 66.107416][ C0] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 66.107813][ 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) [ 66.108298][ 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) [ 66.108560][ C0] ? check_prev_add (kernel/locking/lockdep.c:3172) [ 66.108844][ C0] __tcf_classify (./include/net/tc_wrapper.h:197 net/sched/cls_api.c:1734) [ 66.109105][ C0] tcf_classify (net/sched/cls_api.c:1830) [ 66.109341][ C0] ? __pfx_tcf_classify (net/sched/cls_api.c:1779) [ 66.109621][ C0] ? __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:802 net/core/dev.c:4251) [ 66.109945][ C0] ? __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:802 net/core/dev.c:4251) [ 66.110224][ C0] tc_run (net/core/dev.c:3912) [ 66.110436][ C0] ? __pfx_tc_run (net/core/dev.c:3896) [ 66.110684][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725) [ 66.110967][ C0] ? __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:802 net/core/dev.c:4251) [ 66.111246][ C0] __dev_queue_xmit (net/core/dev.c:4036 net/core/dev.c:4268) [ 66.111498][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 66.111751][ C0] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 66.112133][ C0] ? __pfx___dev_queue_xmit (net/core/dev.c:4235) [ 66.112444][ C0] ? vrf_ip_local_out (./include/net/dst.h:450 drivers/net/vrf.c:522) vrf [ 66.112754][ C0] ip_finish_output2 (./include/net/neighbour.h:540 net/ipv4/ip_output.c:235) [ 66.113030][ C0] ? __pfx_ip_finish_output2 (net/ipv4/ip_output.c:199) [ 66.113371][ C0] ? __ip_finish_output (net/ipv4/ip_output.c:256 net/ipv4/ip_output.c:308 net/ipv4/ip_output.c:295) [ 66.113673][ C0] ip_output (./include/linux/netfilter.h:303 net/ipv4/ip_output.c:433) [ 66.113922][ C0] ? __pfx_ip_output (net/ipv4/ip_output.c:427) [ 66.114171][ C0] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 66.114509][ C0] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 66.114859][ C0] ? ip_local_out (./include/linux/skbuff.h:1131 ./include/net/dst.h:450 net/ipv4/ip_output.c:129) [ 66.115120][ C0] __ip_queue_xmit (net/ipv4/ip_output.c:535 (discriminator 4)) [ 66.115376][ 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)) [ 66.115655][ C0] __tcp_transmit_skb (net/ipv4/tcp_output.c:1462 (discriminator 4)) [ 66.115938][ C0] ? __pfx___tcp_transmit_skb (net/ipv4/tcp_output.c:1283) [ 66.116267][ 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) [ 66.116642][ C0] tcp_write_xmit (net/ipv4/tcp_output.c:2792) [ 66.116937][ C0] ? ipv4_mtu (./include/net/net_namespace.h:383 ./include/linux/netdevice.h:2655 ./include/net/ip.h:465 net/ipv4/route.c:1326) [ 66.117170][ C0] ? __pfx_tcp_write_xmit (net/ipv4/tcp_output.c:2702) [ 66.117450][ C0] ? __pfx_tcp_current_mss (net/ipv4/tcp_output.c:1853) [ 66.117769][ C0] __tcp_push_pending_frames (net/ipv4/tcp_output.c:2977) [ 66.118120][ C0] tcp_rcv_state_process (net/ipv4/tcp_input.c:5654 net/ipv4/tcp_input.c:6870) [ 66.118401][ C0] ? tcp_v4_rcv (./include/linux/skbuff.h:1619 ./include/net/tcp.h:2510 net/ipv4/tcp_ipv4.c:2326) [ 66.118657][ 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) [ 66.118895][ C0] ? __lock_acquired (kernel/locking/lockdep.c:339 kernel/locking/lockdep.c:5991) [ 66.119183][ C0] ? __pfx_tcp_rcv_state_process (net/ipv4/tcp_input.c:6620) [ 66.119506][ C0] ? __pfx___lock_acquired (kernel/locking/lockdep.c:5959) [ 66.119808][ C0] ? __pfx_do_raw_spin_trylock (kernel/locking/spinlock_debug.c:122) [ 66.120116][ C0] tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1929) [ 66.120407][ C0] tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2329) [ 66.120662][ C0] ? __pfx_tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2162) [ 66.120944][ C0] ? __pfx_raw_v4_input (net/ipv4/raw.c:165) [ 66.121219][ C0] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 66.121526][ C0] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207 (discriminator 8)) [ 66.121842][ C0] ip_local_deliver_finish (./include/linux/rcupdate.h:779 net/ipv4/ip_input.c:234) [ 66.122136][ C0] ip_local_deliver (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:254) [ 66.122406][ C0] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243) [ 66.122712][ C0] ? tcp_v4_early_demux (./include/linux/skbuff.h:1163 net/ipv4/tcp_ipv4.c:1988) [ 66.122995][ C0] ? ip_rcv_finish_core.constprop.0 (./include/linux/skbuff.h:1131 ./include/linux/skbuff.h:1183 net/ipv4/ip_input.c:390) [ 66.123351][ 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) [ 66.123563][ C0] ? __pfx_ip_rcv (net/ipv4/ip_input.c:562) [ 66.123821][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 66.124116][ C0] ? process_backlog (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/dev.c:5950) [ 66.124406][ C0] ? __pfx_ip_rcv (net/ipv4/ip_input.c:562) [ 66.124656][ C0] __netif_receive_skb_one_core (net/core/dev.c:5509 (discriminator 4)) [ 66.124976][ C0] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5502) [ 66.125326][ C0] ? __pfx_do_raw_spin_trylock (kernel/locking/spinlock_debug.c:122) [ 66.125660][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725) [ 66.125925][ C0] ? process_backlog (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/dev.c:5950) [ 66.126212][ C0] process_backlog (./include/linux/rcupdate.h:779 net/core/dev.c:5952) [ 66.126461][ C0] __napi_poll.constprop.0 (net/core/dev.c:6551) [ 66.126763][ C0] net_rx_action (net/core/dev.c:6620 net/core/dev.c:6753) [ 66.127028][ C0] ? __pfx_net_rx_action (net/core/dev.c:6717) [ 66.127310][ C0] ? __pfx___schedule (kernel/sched/core.c:6608) [ 66.127586][ C0] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) [ 66.127884][ C0] __do_softirq (kernel/softirq.c:553) [ 66.128154][ C0] ? __pfx_run_ksoftirqd (kernel/softirq.c:914) [ 66.128454][ C0] run_ksoftirqd (kernel/softirq.c:410 kernel/softirq.c:922 kernel/softirq.c:913) [ 66.128698][ C0] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) [ 66.128956][ C0] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) [ 66.129249][ C0] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) [ 66.129538][ C0] kthread (kernel/kthread.c:388) [ 66.129807][ C0] ? __pfx_kthread (kernel/kthread.c:341) [ 66.130056][ C0] ret_from_fork (arch/x86/kernel/process.c:147) [ 66.130300][ C0] ? __pfx_kthread (kernel/kthread.c:341) Finger prints: dump_stack_lvl:validate_chain:__lock_acquire:_raw_spin_lock_nested