[ 9.676299][ T193] ip (193) used greatest stack depth: 23936 bytes left
[ 11.450586][ T268] br1: port 1(vx1) entered blocking state
[ 11.450913][ T268] br1: port 1(vx1) entered disabled state
[ 11.451074][ T268] vx1: entered allmulticast mode
[ 11.466237][ T268] vx1: entered promiscuous mode
[ 11.466985][ T268] br1: port 1(vx1) entered blocking state
[ 11.467203][ T268] br1: port 1(vx1) entered forwarding state
[ 11.491868][ T269] br1: port 2(veth1) entered blocking state
[ 11.492060][ T269] br1: port 2(veth1) entered disabled state
[ 11.492257][ T269] veth1: entered allmulticast mode
[ 11.494522][ T269] veth1: entered promiscuous mode
[ 11.527323][ T46] br1: port 2(veth1) entered blocking state
[ 11.527707][ T46] br1: port 2(veth1) entered forwarding state
[ 11.557157][ T271] br1: port 3(veth2) entered blocking state
[ 11.557366][ T271] br1: port 3(veth2) entered disabled state
[ 11.557969][ T271] veth2: entered allmulticast mode
[ 11.559627][ T271] veth2: entered promiscuous mode
[ 11.587862][ T39] br1: port 3(veth2) entered blocking state
[ 11.588176][ T39] br1: port 3(veth2) entered forwarding state
[ 12.727247][ T316] br2: port 1(w1) entered blocking state
[ 12.727485][ T316] br2: port 1(w1) entered disabled state
[ 12.727942][ T316] w1: entered allmulticast mode
[ 12.729483][ T316] w1: entered promiscuous mode
[ 12.893483][ T322] br2: port 2(vx2) entered blocking state
[ 12.893666][ T322] br2: port 2(vx2) entered disabled state
[ 12.893854][ T322] vx2: entered allmulticast mode
[ 12.895519][ T322] vx2: entered promiscuous mode
[ 12.896152][ T322] br2: port 2(vx2) entered blocking state
[ 12.896305][ T322] br2: port 2(vx2) entered forwarding state
[ 13.090352][ T46] br2: port 1(w1) entered blocking state
[ 13.090681][ T46] br2: port 1(w1) entered forwarding state
[ 13.175348][ C0]
[ 13.175675][ C0] =============================
[ 13.175858][ C0] WARNING: suspicious RCU usage
[ 13.176064][ C0] 7.2.0-rc2-virtme #1 Not tainted
[ 13.176270][ C0] -----------------------------
[ 13.176457][ C0] drivers/net/vxlan/vxlan_core.c:872 suspicious rcu_dereference_protected() usage!
[ 13.176819][ C0]
[ 13.176819][ C0] other info that might help us debug this:
[ 13.176819][ C0]
[ 13.177200][ C0]
[ 13.177200][ C0] rcu_scheduler_active = 2, debug_locks = 1
[ 13.177487][ C0] 8 locks held by kworker/0:1/10:
[ 13.177699][ C0] #0: ff11000008c99540 ((wq_completion)mld){+.+.}-{0:0}, at: process_one_work+0xd55/0x1410
[ 13.178097][ C0] #1: ffa00000000a7d10 ((work_completion)(&(&idev->mc_ifc_work)->work)){+.+.}-{0:0}, at: process_one_work+0xdb7/0x1410
[ 13.178526][ C0] #2: ff1100000d4fbd30 (&idev->mc_lock){+.+.}-{4:4}, at: mld_ifc_work+0x2e/0x190
[ 13.178939][ C0] #3: ffffffff9977dd40 (rcu_read_lock){....}-{1:3}, at: mld_sendpack+0x1c9/0xec0
[ 13.179300][ C0] #4: ffffffff9977dd40 (rcu_read_lock){....}-{1:3}, at: ip6_output+0x11d/0x7f0
[ 13.179713][ C0] #5: ffffffff9977dd40 (rcu_read_lock){....}-{1:3}, at: process_backlog+0x561/0x1490
[ 13.180065][ C0] #6: ffffffff9977dd40 (rcu_read_lock){....}-{1:3}, at: ip_local_deliver_finish+0x2ba/0x610
[ 13.180463][ C0] #7: ff1100000c73af68 (&vxlan->hash_lock){+.-.}-{3:3}, at: vxlan_snoop+0x5dc/0x9a0 [vxlan]
[ 13.180878][ C0]
[ 13.180878][ C0] stack backtrace:
[ 13.181129][ C0] CPU: 0 UID: 0 PID: 10 Comm: kworker/0:1 Not tainted 7.2.0-rc2-virtme #1 PREEMPT(full)
[ 13.181133][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 13.181135][ C0] Workqueue: mld mld_ifc_work
[ 13.181138][ C0] Call Trace:
[ 13.181140][ C0]
[ 13.181142][ C0] dump_stack_lvl+0x6f/0xa0
[ 13.181147][ C0] lockdep_rcu_suspicious.cold+0x37/0x89
[ 13.181153][ C0] vxlan_fdb_create+0xe1b/0x1a70 [vxlan]
[ 13.181159][ C0] ? vxlan_find_mac_rcu+0x578/0x6b0 [vxlan]
[ 13.181165][ C0] ? lock_acquire.part.0+0xbc/0x260
[ 13.181169][ C0] ? find_held_lock+0x2b/0x80
[ 13.181172][ C0] ? vxlan_open+0x340/0x340 [vxlan]
[ 13.181176][ C0] ? __lock_release.isra.0+0x6b/0x1a0
[ 13.181181][ C0] vxlan_fdb_update+0x208/0x3e0 [vxlan]
[ 13.181188][ C0] ? vxlan_fdb_create+0x1a70/0x1a70 [vxlan]
[ 13.181192][ C0] ? lock_acquire.part.0+0xbc/0x260
[ 13.181195][ C0] ? do_raw_spin_lock+0x131/0x280
[ 13.181198][ C0] vxlan_snoop+0x6ba/0x9a0 [vxlan]
[ 13.181205][ C0] ? __iptunnel_pull_header+0x33b/0x730
[ 13.181209][ C0] vxlan_rcv+0x172e/0x2c20 [vxlan]
[ 13.181213][ C0] ? ip_rcv_finish_core+0x553/0x14c0
[ 13.181215][ C0] ? ip_rcv_finish+0xee/0x250
[ 13.181217][ C0] ? ip_rcv+0xdc/0x3d0
[ 13.181218][ C0] ? __netif_receive_skb_one_core+0xfc/0x180
[ 13.181220][ C0] ? process_backlog+0x2bc/0x1490
[ 13.181226][ C0] ? encap_bypass_if_local+0x290/0x290 [vxlan]
[ 13.181231][ C0] ? udp_lib_lport_inuse2+0x3d0/0x3d0
[ 13.181237][ C0] ? __udp4_lib_lookup+0x5f1/0x820
[ 13.181240][ C0] ? encap_bypass_if_local+0x290/0x290 [vxlan]
[ 13.181244][ C0] ? udp_queue_rcv_one_skb+0x645/0xb00
[ 13.181246][ C0] udp_queue_rcv_one_skb+0x645/0xb00
[ 13.181248][ C0] ? lock_acquire.part.0+0xbc/0x260
[ 13.181250][ C0] ? trace_contention_begin+0x192/0x1b0
[ 13.181253][ C0] udp_unicast_rcv_skb+0x366/0x450
[ 13.181256][ C0] ? udp_rcv+0xce3/0x1e30
[ 13.181257][ C0] udp_rcv+0xd01/0x1e30
[ 13.181262][ C0] ? udp_sk_rx_dst_set+0x90/0x90
[ 13.181266][ C0] ? lock_acquire.part.0+0xbc/0x260
[ 13.181268][ C0] ? ip_local_deliver_finish+0x2ba/0x610
[ 13.181272][ C0] ip_protocol_deliver_rcu+0x82/0x350
[ 13.181275][ C0] ? process_backlog+0x561/0x1490
[ 13.181277][ C0] ip_local_deliver_finish+0x36f/0x610
[ 13.181280][ C0] ip_local_deliver+0x184/0x4c0
[ 13.181283][ C0] ? ip_local_deliver_finish+0x610/0x610
[ 13.181285][ C0] ? ip_rcv_finish_core+0x553/0x14c0
[ 13.181287][ C0] ? __asan_memset+0x27/0x50
[ 13.181294][ C0] ? process_backlog+0x561/0x1490
[ 13.181296][ C0] ip_rcv+0xdc/0x3d0
[ 13.181298][ C0] ? ip_local_deliver+0x4c0/0x4c0
[ 13.181302][ C0] ? mark_usage+0x61/0x170
[ 13.181304][ C0] ? __lock_acquire+0x518/0xc20
[ 13.181306][ C0] ? netdev_upper_dev_unlink+0x97/0xa0
[ 13.181310][ C0] __netif_receive_skb_one_core+0xfc/0x180
[ 13.181312][ C0] ? lock_acquire.part.0+0xbc/0x260
[ 13.181315][ C0] ? __netif_receive_skb_list_core+0x9e0/0x9e0
[ 13.181317][ C0] ? rcu_is_watching+0x15/0xd0
[ 13.181323][ C0] process_backlog+0x2bc/0x1490
[ 13.181326][ C0] ? trace_hrtimer_start+0xbf/0x1d0
[ 13.181330][ C0] __napi_poll+0xa7/0x3b0
[ 13.181334][ C0] net_rx_action+0x513/0xf50
[ 13.181338][ C0] ? wakeup_preempt_fair+0x679/0x1160
[ 13.181341][ C0] ? __napi_poll+0x3b0/0x3b0
[ 13.181344][ C0] ? find_held_lock+0x2b/0x80
[ 13.181352][ C0] ? lockdep_hardirqs_on+0x8c/0x130
[ 13.181355][ C0] ? _raw_spin_unlock_irqrestore+0x40/0x80
[ 13.181358][ C0] ? rcu_is_watching+0x15/0xd0
[ 13.181359][ C0] ? mark_held_locks+0x40/0x70
[ 13.181363][ C0] handle_softirqs+0x1d8/0x8f0
[ 13.181369][ C0] ? _local_bh_enable+0xd0/0xd0
[ 13.181370][ C0] ? rcu_is_watching+0x15/0xd0
[ 13.181372][ C0] ? trace_csd_function_exit+0xb3/0x180
[ 13.181376][ C0] ? __dev_queue_xmit+0x964/0x1b80
[ 13.181379][ C0] do_softirq+0xa9/0xe0
[ 13.181381][ C0]
[ 13.181382][ C0]
[ 13.181383][ C0] __local_bh_enable_ip+0x113/0x140
[ 13.181385][ C0] __dev_queue_xmit+0x979/0x1b80
[ 13.181390][ C0] ? __lock_acquire+0x518/0xc20
[ 13.181394][ C0] ? netdev_core_pick_tx+0x2c0/0x2c0
[ 13.181396][ C0] ? find_held_lock+0x2b/0x80
[ 13.181402][ C0] ? neigh_hh_output+0x152/0x4c0
[ 13.181407][ C0] ip6_finish_output2+0x96f/0x1300
[ 13.181411][ C0] ? ip6_xmit+0x2000/0x2000
[ 13.181412][ C0] ? lock_acquire.part.0+0xbc/0x260
[ 13.181414][ C0] ? find_held_lock+0x2b/0x80
[ 13.181417][ C0] ? __lock_release.isra.0+0x6b/0x1a0
[ 13.181420][ C0] ? ip6_mtu+0x15d/0x310
[ 13.181424][ C0] ip6_finish_output+0x646/0xda0
[ 13.181428][ C0] ip6_output+0x23f/0x7f0
[ 13.181431][ C0] ? ip6_finish_output+0xda0/0xda0
[ 13.181432][ C0] ? __lock_release.isra.0+0x6b/0x1a0
[ 13.181434][ C0] ? xfrm_bundle_lookup.constprop.0+0xba0/0xba0
[ 13.181437][ C0] ? mark_held_locks+0x40/0x70
[ 13.181440][ C0] ? __local_bh_enable_ip+0xa5/0x140
[ 13.181442][ C0] ? __local_bh_enable_ip+0xa5/0x140
[ 13.181444][ C0] ? icmp6_dst_alloc+0x317/0x4d0
[ 13.181448][ C0] mld_sendpack+0x9d6/0xec0
[ 13.181452][ C0] ? mld_dad_start_work+0x240/0x240
[ 13.181458][ C0] ? mld_send_cr+0x50f/0x820
[ 13.181462][ C0] mld_ifc_work+0x36/0x190
[ 13.181464][ C0] ? process_one_work+0xdb7/0x1410
[ 13.181466][ C0] process_one_work+0xdf8/0x1410
[ 13.181471][ C0] ? pwq_dec_nr_in_flight+0x710/0x710
[ 13.181473][ C0] ? lock_acquire.part.0+0xbc/0x260
[ 13.181480][ C0] worker_thread+0x4f1/0xd60
[ 13.181483][ C0] ? rescuer_thread+0x1320/0x1320
[ 13.181485][ C0] ? __kthread_parkme+0xbd/0x210
[ 13.181488][ C0] ? rescuer_thread+0x1320/0x1320
[ 13.181490][ C0] ? rescuer_thread+0x1320/0x1320
[ 13.181492][ C0] kthread+0x367/0x460
[ 13.181493][ C0] ? trace_irq_enable.constprop.0+0x9b/0x160
[ 13.181496][ C0] ? kthread_affine_node+0x330/0x330
[ 13.181504][ C0] ret_from_fork+0x474/0x6b0
[ 13.181508][ C0] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120
[ 13.181512][ C0] ? __switch_to+0x5a3/0xe00
[ 13.181515][ C0] ? kthread_affine_node+0x330/0x330
[ 13.181517][ C0] ret_from_fork_asm+0x11/0x20
[ 13.181526][ C0]
[ 13.659940][ T354] br2: port 1(w1) entered blocking state
[ 13.660169][ T354] br2: port 1(w1) entered disabled state
[ 13.660364][ T354] w1: entered allmulticast mode
[ 13.662019][ T354] w1: entered promiscuous mode
[ 13.694184][ T355] br2: port 1(w1) entered blocking state
[ 13.694343][ T355] br2: port 1(w1) entered forwarding state
[ 13.702971][ T46] br2: port 1(w1) entered disabled state
[ 13.832101][ T360] br2: port 2(vx2) entered blocking state
[ 13.832268][ T360] br2: port 2(vx2) entered disabled state
[ 13.832463][ T360] vx2: entered allmulticast mode
[ 13.833956][ T360] vx2: entered promiscuous mode
[ 13.834522][ T360] br2: port 2(vx2) entered blocking state
[ 13.834678][ T360] br2: port 2(vx2) entered forwarding state
[ 14.025321][ T46] br2: port 1(w1) entered blocking state
[ 14.025570][ T46] br2: port 1(w1) entered forwarding state
[ 23.182313][ T460] GACT probability NOT on
[ 31.763390][ T793] veth3: entered promiscuous mode
[ 44.567795][ T1282] veth3: left promiscuous mode
[ 50.424617][ C0] clocksource: Watchdog remote CPU 3 read timed out
[ 61.419997][ C3] vxlan: non-ECT from 192.0.2.34 with TOS=0x1
[ 61.520532][ C3] vxlan: non-ECT from 192.0.2.34 with TOS=0x1
[ 61.620920][ C3] vxlan: non-ECT from 192.0.2.34 with TOS=0x1
[ 61.721317][ C3] vxlan: non-ECT from 192.0.2.34 with TOS=0x1
[ 61.821982][ C3] vxlan: non-ECT from 192.0.2.34 with TOS=0x1
[ 61.922368][ C3] vxlan: non-ECT from 192.0.2.34 with TOS=0x1
[ 62.022722][ C3] vxlan: non-ECT from 192.0.2.34 with TOS=0x1
[ 62.123070][ C3] vxlan: non-ECT from 192.0.2.34 with TOS=0x1
[ 62.223400][ C3] vxlan: non-ECT from 192.0.2.34 with TOS=0x1
[ 62.323750][ C3] vxlan: non-ECT from 192.0.2.34 with TOS=0x1
[ 98.685941][ C0] net_ratelimit: 10 callbacks suppressed
[ 98.685951][ C0] vxlan: non-ECT from 192.0.2.34 with TOS=0x3
[ 98.786529][ C0] vxlan: non-ECT from 192.0.2.34 with TOS=0x3
[ 98.886903][ C0] vxlan: non-ECT from 192.0.2.34 with TOS=0x3
[ 98.987244][ C0] vxlan: non-ECT from 192.0.2.34 with TOS=0x3
[ 99.087605][ C0] vxlan: non-ECT from 192.0.2.34 with TOS=0x3
[ 99.187938][ C0] vxlan: non-ECT from 192.0.2.34 with TOS=0x3
[ 99.288283][ C0] vxlan: non-ECT from 192.0.2.34 with TOS=0x3
[ 99.388671][ C0] vxlan: non-ECT from 192.0.2.34 with TOS=0x3
[ 99.489022][ C0] vxlan: non-ECT from 192.0.2.34 with TOS=0x3
[ 99.589386][ C0] vxlan: non-ECT from 192.0.2.34 with TOS=0x3
[ 99.933524][ T2718] vx1: left allmulticast mode
[ 99.933743][ T2718] vx1: left promiscuous mode
[ 99.934001][ T2718] br1: port 1(vx1) entered disabled state
[ 104.988701][ T2720] br1: port 1(vx1) entered blocking state
[ 104.988893][ T2720] br1: port 1(vx1) entered disabled state
[ 104.989054][ T2720] vx1: entered allmulticast mode
[ 104.990890][ T2720] vx1: entered promiscuous mode
[ 104.991418][ T2720] br1: port 1(vx1) entered blocking state
[ 104.991567][ T2720] br1: port 1(vx1) entered forwarding state
[ 114.781170][ T2790] tc (2790) used greatest stack depth: 23920 bytes left
[ 122.754986][ T3091] veth3: entered promiscuous mode
[ 127.107350][ T3261] tc (3261) used greatest stack depth: 23536 bytes left
[ 135.385231][ T3580] veth3: left promiscuous mode
[ 135.806700][ T3602] vx1: left allmulticast mode
[ 135.806919][ T3602] vx1: left promiscuous mode
[ 135.807201][ T3602] br1: port 1(vx1) entered disabled state
[ 140.848709][ T3604] br1: port 1(vx1) entered blocking state
[ 140.848911][ T3604] br1: port 1(vx1) entered disabled state
[ 140.849111][ T3604] vx1: entered allmulticast mode
[ 140.851475][ T3604] vx1: entered promiscuous mode
[ 140.852063][ T3604] br1: port 1(vx1) entered blocking state
[ 140.852220][ T3604] br1: port 1(vx1) entered forwarding state
[ 234.382693][ T4514] vx1: left allmulticast mode
[ 234.382916][ T4514] vx1: left promiscuous mode
[ 234.383233][ T4514] br1: port 1(vx1) entered disabled state
[ 239.434139][ T4516] br1: port 1(vx1) entered blocking state
[ 239.434351][ T4516] br1: port 1(vx1) entered disabled state
[ 239.434547][ T4516] vx1: entered allmulticast mode
[ 239.436148][ T4516] vx1: entered promiscuous mode
[ 239.436769][ T4516] br1: port 1(vx1) entered blocking state
[ 239.436944][ T4516] br1: port 1(vx1) entered forwarding state
[ 245.746900][ T12] vx2: left allmulticast mode
[ 245.747256][ T12] vx2: left promiscuous mode
[ 245.747687][ T12] br2: port 2(vx2) entered disabled state
[ 245.751434][ T12] w1: left allmulticast mode
[ 245.752407][ T12] w1: left promiscuous mode
[ 245.753473][ T12] br2: port 1(w1) entered disabled state
[ 245.873011][ T12] vx2: left allmulticast mode
[ 245.873203][ T12] vx2: left promiscuous mode
[ 245.873474][ T12] br2: port 2(vx2) entered disabled state
[ 245.878070][ T12] w1: left allmulticast mode
[ 245.878263][ T12] w1: left promiscuous mode
[ 245.878496][ T12] br2: port 1(w1) entered disabled state
[ 246.564788][ T4561] vx1: left allmulticast mode
[ 246.564968][ T4561] vx1: left promiscuous mode
[ 246.565201][ T4561] br1: port 1(vx1) entered disabled state
[ 246.673427][ T4564] br1: port 3(veth2) entered disabled state
[ 246.698458][ T4565] veth2: left allmulticast mode
[ 246.698662][ T4565] veth2: left promiscuous mode
[ 246.698889][ T4565] br1: port 3(veth2) entered disabled state
[ 246.724207][ T4566] br1: port 2(veth1) entered disabled state
[ 246.753729][ T4567] veth1: left allmulticast mode
[ 246.753897][ T4567] veth1: left promiscuous mode
[ 246.754128][ T4567] br1: port 2(veth1) entered disabled state