[ 9.310490][ T186] ip (186) used greatest stack depth: 23920 bytes left
[ 10.479756][ T243] 8021q: 802.1Q VLAN Support v1.8
[ 11.660879][ T289] br1: port 1(vx10) entered blocking state
[ 11.661333][ T289] br1: port 1(vx10) entered disabled state
[ 11.661603][ T289] vx10: entered allmulticast mode
[ 11.663266][ T289] vx10: entered promiscuous mode
[ 11.663757][ T289] br1: port 1(vx10) entered blocking state
[ 11.664023][ T289] br1: port 1(vx10) entered forwarding state
[ 11.792346][ T294] br1: port 2(vx20) entered blocking state
[ 11.792564][ T294] br1: port 2(vx20) entered disabled state
[ 11.792760][ T294] vx20: entered allmulticast mode
[ 11.794491][ T294] vx20: entered promiscuous mode
[ 11.794873][ T294] br1: port 2(vx20) entered blocking state
[ 11.795049][ T294] br1: port 2(vx20) entered forwarding state
[ 11.852731][ T296] br1: port 3(veth1) entered blocking state
[ 11.853210][ T296] br1: port 3(veth1) entered disabled state
[ 11.853461][ T296] veth1: entered allmulticast mode
[ 11.854972][ T296] veth1: entered promiscuous mode
[ 11.880522][ T45] br1: port 3(veth1) entered blocking state
[ 11.880890][ T45] br1: port 3(veth1) entered forwarding state
[ 11.971363][ T300] br1: port 4(veth2) entered blocking state
[ 11.971564][ T300] br1: port 4(veth2) entered disabled state
[ 11.971771][ T300] veth2: entered allmulticast mode
[ 11.973839][ T300] veth2: entered promiscuous mode
[ 11.997276][ T38] br1: port 4(veth2) entered blocking state
[ 11.997507][ T38] br1: port 4(veth2) entered forwarding state
[ 13.208519][ T349] br2: port 1(w1) entered blocking state
[ 13.208752][ T349] br2: port 1(w1) entered disabled state
[ 13.208973][ T349] w1: entered allmulticast mode
[ 13.210707][ T349] w1: entered promiscuous mode
[ 13.242059][ T350] br2: port 1(w1) entered blocking state
[ 13.242242][ T350] br2: port 1(w1) entered forwarding state
[ 13.405203][ T57] br2: port 1(w1) entered disabled state
[ 13.439387][ T357] br2: port 2(vx10) entered blocking state
[ 13.439607][ T357] br2: port 2(vx10) entered disabled state
[ 13.439826][ T357] vx10: entered allmulticast mode
[ 13.441435][ T357] vx10: entered promiscuous mode
[ 13.441825][ T357] br2: port 2(vx10) entered blocking state
[ 13.442014][ T357] br2: port 2(vx10) entered forwarding state
[ 13.548494][ C0]
[ 13.548703][ C0] =============================
[ 13.548886][ C0] WARNING: suspicious RCU usage
[ 13.549296][ C0] 7.2.0-rc2-virtme #1 Not tainted
[ 13.549449][ C0] -----------------------------
[ 13.549611][ C0] drivers/net/vxlan/vxlan_core.c:872 suspicious rcu_dereference_protected() usage!
[ 13.549874][ C0]
[ 13.549874][ C0] other info that might help us debug this:
[ 13.549874][ C0]
[ 13.550187][ C0]
[ 13.550187][ C0] rcu_scheduler_active = 2, debug_locks = 1
[ 13.550416][ C0] 8 locks held by kworker/0:0/9:
[ 13.550571][ C0] #0: ff11000008c59b40 ((wq_completion)mld){+.+.}-{0:0}, at: process_one_work+0xd55/0x1410
[ 13.550890][ C0] #1: ffa0000000097d10 ((work_completion)(&(&idev->mc_dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0xdb7/0x1410
[ 13.551251][ C0] #2: ff1100000bacd530 (&idev->mc_lock){+.+.}-{4:4}, at: mld_dad_work+0x2e/0x190
[ 13.551518][ C0] #3: ffffffffaa77dd40 (rcu_read_lock){....}-{1:3}, at: mld_sendpack+0x1c9/0xec0
[ 13.551790][ C0] #4: ffffffffaa77dd40 (rcu_read_lock){....}-{1:3}, at: ip6_output+0x11d/0x7f0
[ 13.552060][ C0] #5: ffffffffaa77dd40 (rcu_read_lock){....}-{1:3}, at: process_backlog+0x561/0x1490
[ 13.552342][ C0] #6: ffffffffaa77dd40 (rcu_read_lock){....}-{1:3}, at: ip_local_deliver_finish+0x2ba/0x610
[ 13.552655][ C0] #7: ff1100001126af68 (&vxlan->hash_lock){+.-.}-{3:3}, at: vxlan_snoop+0x5dc/0x9a0 [vxlan]
[ 13.552969][ C0]
[ 13.552969][ C0] stack backtrace:
[ 13.553165][ C0] CPU: 0 UID: 0 PID: 9 Comm: kworker/0:0 Not tainted 7.2.0-rc2-virtme #1 PREEMPT(full)
[ 13.553168][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 13.553170][ C0] Workqueue: mld mld_dad_work
[ 13.553174][ C0] Call Trace:
[ 13.553176][ C0]
[ 13.553177][ C0] dump_stack_lvl+0x6f/0xa0
[ 13.553183][ C0] lockdep_rcu_suspicious.cold+0x37/0x89
[ 13.553188][ C0] vxlan_fdb_create+0xe1b/0x1a70 [vxlan]
[ 13.553193][ C0] ? vxlan_find_mac_rcu+0x578/0x6b0 [vxlan]
[ 13.553199][ C0] ? lock_acquire.part.0+0xbc/0x260
[ 13.553202][ C0] ? find_held_lock+0x2b/0x80
[ 13.553205][ C0] ? vxlan_open+0x340/0x340 [vxlan]
[ 13.553209][ C0] ? __lock_release.isra.0+0x6b/0x1a0
[ 13.553214][ C0] vxlan_fdb_update+0x208/0x3e0 [vxlan]
[ 13.553221][ C0] ? vxlan_fdb_create+0x1a70/0x1a70 [vxlan]
[ 13.553224][ C0] ? lock_acquire.part.0+0xbc/0x260
[ 13.553227][ C0] ? do_raw_spin_lock+0x131/0x280
[ 13.553231][ C0] vxlan_snoop+0x6ba/0x9a0 [vxlan]
[ 13.553237][ C0] ? __iptunnel_pull_header+0x33b/0x730
[ 13.553241][ C0] vxlan_rcv+0x172e/0x2c20 [vxlan]
[ 13.553250][ C0] ? encap_bypass_if_local+0x290/0x290 [vxlan]
[ 13.553255][ C0] ? udp_lib_lport_inuse2+0x3d0/0x3d0
[ 13.553260][ C0] ? __udp4_lib_lookup+0x5f1/0x820
[ 13.553264][ C0] ? encap_bypass_if_local+0x290/0x290 [vxlan]
[ 13.553268][ C0] ? udp_queue_rcv_one_skb+0x645/0xb00
[ 13.553270][ C0] udp_queue_rcv_one_skb+0x645/0xb00
[ 13.553271][ C0] ? lock_acquire.part.0+0xbc/0x260
[ 13.553273][ C0] ? trace_contention_begin+0x192/0x1b0
[ 13.553276][ C0] udp_unicast_rcv_skb+0x366/0x450
[ 13.553279][ C0] ? udp_rcv+0xce3/0x1e30
[ 13.553281][ C0] udp_rcv+0xd01/0x1e30
[ 13.553285][ C0] ? udp_sk_rx_dst_set+0x90/0x90
[ 13.553289][ C0] ? lock_acquire.part.0+0xbc/0x260
[ 13.553291][ C0] ? ip_local_deliver_finish+0x2ba/0x610
[ 13.553295][ C0] ip_protocol_deliver_rcu+0x82/0x350
[ 13.553298][ C0] ? process_backlog+0x561/0x1490
[ 13.553300][ C0] ip_local_deliver_finish+0x36f/0x610
[ 13.553303][ C0] ip_local_deliver+0x184/0x4c0
[ 13.553305][ C0] ? ip_local_deliver_finish+0x610/0x610
[ 13.553308][ C0] ? ip_rcv_finish_core+0x553/0x14c0
[ 13.553310][ C0] ? __asan_memset+0x27/0x50
[ 13.553317][ C0] ? process_backlog+0x561/0x1490
[ 13.553318][ C0] ip_rcv+0xdc/0x3d0
[ 13.553321][ C0] ? ip_local_deliver+0x4c0/0x4c0
[ 13.553324][ C0] ? mark_usage+0x61/0x170
[ 13.553327][ C0] ? __lock_acquire+0x518/0xc20
[ 13.553331][ C0] __netif_receive_skb_one_core+0xfc/0x180
[ 13.553333][ C0] ? lock_acquire.part.0+0xbc/0x260
[ 13.553335][ C0] ? __netif_receive_skb_list_core+0x9e0/0x9e0
[ 13.553338][ C0] ? rcu_is_watching+0x15/0xd0
[ 13.553343][ C0] process_backlog+0x2bc/0x1490
[ 13.553348][ C0] __napi_poll+0xa7/0x3b0
[ 13.553351][ C0] net_rx_action+0x513/0xf50
[ 13.553357][ C0] ? __napi_poll+0x3b0/0x3b0
[ 13.553362][ C0] ? __lock_release.isra.0+0x6b/0x1a0
[ 13.553363][ C0] ? __rwlock_init+0x150/0x150
[ 13.553368][ C0] ? clockevents_program_event+0x307/0x7e0
[ 13.553372][ C0] ? __run_timers+0xaa0/0xaa0
[ 13.553374][ C0] ? rcu_is_watching+0x15/0xd0
[ 13.553375][ C0] ? mark_held_locks+0x40/0x70
[ 13.553379][ C0] handle_softirqs+0x1d8/0x8f0
[ 13.553385][ C0] ? _local_bh_enable+0xd0/0xd0
[ 13.553388][ C0] ? __dev_queue_xmit+0x964/0x1b80
[ 13.553391][ C0] do_softirq+0xa9/0xe0
[ 13.553393][ C0]
[ 13.553393][ C0]
[ 13.553394][ C0] __local_bh_enable_ip+0x113/0x140
[ 13.553397][ C0] __dev_queue_xmit+0x979/0x1b80
[ 13.553401][ C0] ? __lock_acquire+0x518/0xc20
[ 13.553403][ C0] ? perf_trace_rcu_grace_period_init+0x56c/0x580
[ 13.553408][ C0] ? netdev_core_pick_tx+0x2c0/0x2c0
[ 13.553410][ C0] ? find_held_lock+0x2b/0x80
[ 13.553416][ C0] ? neigh_hh_output+0x152/0x4c0
[ 13.553420][ C0] ip6_finish_output2+0x96f/0x1300
[ 13.553424][ C0] ? ip6_xmit+0x2000/0x2000
[ 13.553425][ C0] ? lock_acquire.part.0+0xbc/0x260
[ 13.553427][ C0] ? find_held_lock+0x2b/0x80
[ 13.553430][ C0] ? __lock_release.isra.0+0x6b/0x1a0
[ 13.553433][ C0] ? ip6_mtu+0x15d/0x310
[ 13.553437][ C0] ip6_finish_output+0x646/0xda0
[ 13.553440][ C0] ip6_output+0x23f/0x7f0
[ 13.553443][ C0] ? ip6_finish_output+0xda0/0xda0
[ 13.553444][ C0] ? __lock_release.isra.0+0x6b/0x1a0
[ 13.553446][ C0] ? xfrm_bundle_lookup.constprop.0+0xba0/0xba0
[ 13.553449][ C0] ? mark_held_locks+0x40/0x70
[ 13.553452][ C0] ? __local_bh_enable_ip+0xa5/0x140
[ 13.553454][ C0] ? __local_bh_enable_ip+0xa5/0x140
[ 13.553456][ C0] ? icmp6_dst_alloc+0x317/0x4d0
[ 13.553460][ C0] mld_sendpack+0x9d6/0xec0
[ 13.553464][ C0] ? mld_dad_start_work+0x240/0x240
[ 13.553472][ C0] mld_dad_work+0x36/0x190
[ 13.553474][ C0] ? process_one_work+0xdb7/0x1410
[ 13.553475][ C0] process_one_work+0xdf8/0x1410
[ 13.553481][ C0] ? pwq_dec_nr_in_flight+0x710/0x710
[ 13.553483][ C0] ? lock_acquire.part.0+0xbc/0x260
[ 13.553490][ C0] worker_thread+0x4f1/0xd60
[ 13.553496][ C0] ? rescuer_thread+0x1320/0x1320
[ 13.553497][ C0] kthread+0x367/0x460
[ 13.553499][ C0] ? trace_irq_enable.constprop.0+0x9b/0x160
[ 13.553502][ C0] ? kthread_affine_node+0x330/0x330
[ 13.553505][ C0] ret_from_fork+0x474/0x6b0
[ 13.553509][ C0] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120
[ 13.553512][ C0] ? __switch_to+0x5a3/0xe00
[ 13.553516][ C0] ? kthread_affine_node+0x330/0x330
[ 13.553518][ C0] ret_from_fork_asm+0x11/0x20
[ 13.553526][ C0]
[ 13.645459][ T364] br2: port 3(vx20) entered blocking state
[ 13.645711][ T364] br2: port 3(vx20) entered disabled state
[ 13.645972][ T364] vx20: entered allmulticast mode
[ 13.648223][ T364] vx20: entered promiscuous mode
[ 13.648801][ T364] br2: port 3(vx20) entered blocking state
[ 13.649038][ T364] br2: port 3(vx20) entered forwarding state
[ 13.882883][ T60] br2: port 1(w1) entered blocking state
[ 13.883237][ T60] br2: port 1(w1) entered forwarding state
[ 14.599418][ T403] br2: port 1(w1) entered blocking state
[ 14.599650][ T403] br2: port 1(w1) entered disabled state
[ 14.599865][ T403] w1: entered allmulticast mode
[ 14.601441][ T403] w1: entered promiscuous mode
[ 14.624478][ T404] br2: port 1(w1) entered blocking state
[ 14.624655][ T404] br2: port 1(w1) entered forwarding state
[ 14.826010][ T411] br2: port 2(vx10) entered blocking state
[ 14.826582][ T411] br2: port 2(vx10) entered disabled state
[ 14.826850][ T411] vx10: entered allmulticast mode
[ 14.828430][ T411] vx10: entered promiscuous mode
[ 14.828879][ T411] br2: port 2(vx10) entered blocking state
[ 14.829131][ T411] br2: port 2(vx10) entered forwarding state
[ 15.023285][ T418] br2: port 3(vx20) entered blocking state
[ 15.023547][ T418] br2: port 3(vx20) entered disabled state
[ 15.023813][ T418] vx20: entered allmulticast mode
[ 15.025403][ T418] vx20: entered promiscuous mode
[ 15.025813][ T418] br2: port 3(vx20) entered blocking state
[ 15.026035][ T418] br2: port 3(vx20) entered forwarding state
[ 27.670502][ T542] GACT probability NOT on
[ 51.955387][ T1782] veth3: entered promiscuous mode
[ 70.017282][ T2709] veth3: left promiscuous mode
[ 70.174432][ T2715] veth3: entered promiscuous mode
[ 88.216616][ T3642] veth3: left promiscuous mode
[ 88.508966][ T3660] vx20: left allmulticast mode
[ 88.509158][ T3660] vx20: left promiscuous mode
[ 88.509392][ T3660] br1: port 2(vx20) entered disabled state
[ 88.531927][ T3661] vx10: left allmulticast mode
[ 88.532139][ T3661] vx10: left promiscuous mode
[ 88.532487][ T3661] br1: port 1(vx10) entered disabled state
[ 93.646873][ T3666] br1: port 1(vx10) entered blocking state
[ 93.647146][ T3666] br1: port 1(vx10) entered disabled state
[ 93.647406][ T3666] vx10: entered allmulticast mode
[ 93.648977][ T3666] vx10: entered promiscuous mode
[ 93.657564][ T3666] br1: port 1(vx10) entered blocking state
[ 93.657801][ T3666] br1: port 1(vx10) entered forwarding state
[ 93.708661][ T3668] br1: port 2(vx20) entered blocking state
[ 93.708883][ T3668] br1: port 2(vx20) entered disabled state
[ 93.709683][ T3668] vx20: entered allmulticast mode
[ 93.717234][ T3668] vx20: entered promiscuous mode
[ 93.717660][ T3668] br1: port 2(vx20) entered blocking state
[ 93.717878][ T3668] br1: port 2(vx20) entered forwarding state
[ 130.785975][ T4964] veth3: entered promiscuous mode
[ 148.815540][ T5891] veth3: left promiscuous mode
[ 148.958380][ T5897] veth3: entered promiscuous mode
[ 167.232287][ T6824] veth3: left promiscuous mode
[ 167.661576][ T6847] vx20: left allmulticast mode
[ 167.661780][ T6847] vx20: left promiscuous mode
[ 167.662018][ T6847] br1: port 2(vx20) entered disabled state
[ 167.698141][ T6848] vx10: left allmulticast mode
[ 167.698363][ T6848] vx10: left promiscuous mode
[ 167.698661][ T6848] br1: port 1(vx10) entered disabled state
[ 172.816148][ T6853] br1: port 1(vx10) entered blocking state
[ 172.816370][ T6853] br1: port 1(vx10) entered disabled state
[ 172.816569][ T6853] vx10: entered allmulticast mode
[ 172.818063][ T6853] vx10: entered promiscuous mode
[ 172.818415][ T6853] br1: port 1(vx10) entered blocking state
[ 172.818584][ T6853] br1: port 1(vx10) entered forwarding state
[ 172.863901][ T6855] br1: port 2(vx20) entered blocking state
[ 172.864138][ T6855] br1: port 2(vx20) entered disabled state
[ 172.864328][ T6855] vx20: entered allmulticast mode
[ 172.865795][ T6855] vx20: entered promiscuous mode
[ 172.866458][ T6855] br1: port 2(vx20) entered blocking state
[ 172.866646][ T6855] br1: port 2(vx20) entered forwarding state
[ 199.893329][ T7849] tc (7849) used greatest stack depth: 23336 bytes left
[ 372.059562][T10130] vx20: left allmulticast mode
[ 372.059761][T10130] vx20: left promiscuous mode
[ 372.060005][T10130] br1: port 2(vx20) entered disabled state
[ 372.088126][T10131] vx10: left allmulticast mode
[ 372.088300][T10131] vx10: left promiscuous mode
[ 372.088541][T10131] br1: port 1(vx10) entered disabled state
[ 377.213629][T10136] br1: port 1(vx10) entered blocking state
[ 377.213861][T10136] br1: port 1(vx10) entered disabled state
[ 377.214081][T10136] vx10: entered allmulticast mode
[ 377.216057][T10136] vx10: entered promiscuous mode
[ 377.216441][T10136] br1: port 1(vx10) entered blocking state
[ 377.216631][T10136] br1: port 1(vx10) entered forwarding state
[ 377.278125][T10138] br1: port 2(vx20) entered blocking state
[ 377.278337][T10138] br1: port 2(vx20) entered disabled state
[ 377.278539][T10138] vx20: entered allmulticast mode
[ 377.280039][T10138] vx20: entered promiscuous mode
[ 377.280399][T10138] br1: port 2(vx20) entered blocking state
[ 377.280584][T10138] br1: port 2(vx20) entered forwarding state
[ 419.717778][ T12] vx20: left allmulticast mode
[ 419.718011][ T12] vx20: left promiscuous mode
[ 419.718715][ T12] br2: port 3(vx20) entered disabled state
[ 419.722279][ T12] vx10: left allmulticast mode
[ 419.722538][ T12] vx10: left promiscuous mode
[ 419.722842][ T12] br2: port 2(vx10) entered disabled state
[ 419.724716][ T12] w1: left allmulticast mode
[ 419.724891][ T12] w1: left promiscuous mode
[ 419.725175][ T12] br2: port 1(w1) entered disabled state
[ 419.847979][ T12] vx20: left allmulticast mode
[ 419.848388][ T12] vx20: left promiscuous mode
[ 419.848738][ T12] br2: port 3(vx20) entered disabled state
[ 419.851076][ T12] vx10: left allmulticast mode
[ 419.851807][ T12] vx10: left promiscuous mode
[ 419.852033][ T12] br2: port 2(vx10) entered disabled state
[ 419.854394][ T12] w1: left allmulticast mode
[ 419.854546][ T12] w1: left promiscuous mode
[ 419.854781][ T12] br2: port 1(w1) entered disabled state
[ 420.530451][T12043] br1: port 4(veth2) entered disabled state
[ 420.556535][T12044] veth2: left allmulticast mode
[ 420.556710][T12044] veth2: left promiscuous mode
[ 420.556942][T12044] br1: port 4(veth2) entered disabled state
[ 420.631789][T12047] br1: port 3(veth1) entered disabled state
[ 420.659723][T12048] veth1: left allmulticast mode
[ 420.659897][T12048] veth1: left promiscuous mode
[ 420.660720][T12048] br1: port 3(veth1) entered disabled state
[ 420.704939][T12050] vx20: left allmulticast mode
[ 420.705115][T12050] vx20: left promiscuous mode
[ 420.705342][T12050] br1: port 2(vx20) entered disabled state
[ 420.830357][T12054] vx10: left allmulticast mode
[ 420.830528][T12054] vx10: left promiscuous mode
[ 420.830774][T12054] br1: port 1(vx10) entered disabled state