[ 10.840356][ T259] br1: port 1(vx1) entered blocking state
[ 10.840664][ T259] br1: port 1(vx1) entered disabled state
[ 10.840824][ T259] vx1: entered allmulticast mode
[ 10.843088][ T259] vx1: entered promiscuous mode
[ 10.843736][ T259] br1: port 1(vx1) entered blocking state
[ 10.843971][ T259] br1: port 1(vx1) entered forwarding state
[ 10.867465][ T260] br1: port 2(veth1) entered blocking state
[ 10.867684][ T260] br1: port 2(veth1) entered disabled state
[ 10.867929][ T260] veth1: entered allmulticast mode
[ 10.869431][ T260] veth1: entered promiscuous mode
[ 10.893289][ T39] br1: port 2(veth1) entered blocking state
[ 10.893571][ T39] br1: port 2(veth1) entered forwarding state
[ 10.944118][ T263] br1: port 3(veth2) entered blocking state
[ 10.944309][ T263] br1: port 3(veth2) entered disabled state
[ 10.944557][ T263] veth2: entered allmulticast mode
[ 10.945995][ T263] veth2: entered promiscuous mode
[ 10.978693][ T39] br1: port 3(veth2) entered blocking state
[ 10.978877][ T39] br1: port 3(veth2) entered forwarding state
[ 11.127529][ T268] ip (268) used greatest stack depth: 24200 bytes left
[ 12.049893][ T312] br2: port 1(w1) entered blocking state
[ 12.050076][ T312] br2: port 1(w1) entered disabled state
[ 12.050232][ T312] w1: entered allmulticast mode
[ 12.051710][ T312] w1: entered promiscuous mode
[ 12.217900][ T318] br2: port 2(vx2) entered blocking state
[ 12.218091][ T318] br2: port 2(vx2) entered disabled state
[ 12.218600][ T318] vx2: entered allmulticast mode
[ 12.220113][ T318] vx2: entered promiscuous mode
[ 12.220745][ T318] br2: port 2(vx2) entered blocking state
[ 12.220886][ T318] br2: port 2(vx2) entered forwarding state
[ 12.408589][ T38] br2: port 1(w1) entered blocking state
[ 12.408854][ T38] br2: port 1(w1) entered forwarding state
[ 12.943838][ T350] br2: port 1(w1) entered blocking state
[ 12.944057][ T350] br2: port 1(w1) entered disabled state
[ 12.944264][ T350] w1: entered allmulticast mode
[ 12.946231][ T350] w1: entered promiscuous mode
[ 12.969140][ T351] br2: port 1(w1) entered blocking state
[ 12.969303][ T351] br2: port 1(w1) entered forwarding state
[ 13.067629][ T39] br2: port 1(w1) entered disabled state
[ 13.117709][ T356] br2: port 2(vx2) entered blocking state
[ 13.117866][ T356] br2: port 2(vx2) entered disabled state
[ 13.118027][ T356] vx2: entered allmulticast mode
[ 13.120146][ T356] vx2: entered promiscuous mode
[ 13.120700][ T356] br2: port 2(vx2) entered blocking state
[ 13.120845][ T356] br2: port 2(vx2) entered forwarding state
[ 13.304846][ T38] br2: port 1(w1) entered blocking state
[ 13.305067][ T38] br2: port 1(w1) entered forwarding state
[ 13.562986][ C0]
[ 13.563218][ C0] =============================
[ 13.563479][ C0] WARNING: suspicious RCU usage
[ 13.563660][ C0] 7.2.0-rc2-virtme #1 Not tainted
[ 13.563839][ C0] -----------------------------
[ 13.564024][ C0] drivers/net/vxlan/vxlan_core.c:872 suspicious rcu_dereference_protected() usage!
[ 13.564338][ C0]
[ 13.564338][ C0] other info that might help us debug this:
[ 13.564338][ C0]
[ 13.564698][ C0]
[ 13.564698][ C0] rcu_scheduler_active = 2, debug_locks = 1
[ 13.564964][ C0] 4 locks held by seq/380:
[ 13.565154][ C0] #0: ff11000005ce1dd8 (&fsvq->lock){+.+.}-{3:3}, at: virtio_fs_enqueue_req+0x592/0xf90
[ 13.565508][ C0] #1: ffffffff84b7dd40 (rcu_read_lock){....}-{1:3}, at: process_backlog+0x561/0x1490
[ 13.565826][ C0] #2: ffffffff84b7dd40 (rcu_read_lock){....}-{1:3}, at: ip6_input+0xa1/0x570
[ 13.566151][ C0] #3: ff1100000d0f2f68 (&vxlan->hash_lock){+.-.}-{3:3}, at: vxlan_snoop+0x5dc/0x9a0 [vxlan]
[ 13.566525][ C0]
[ 13.566525][ C0] stack backtrace:
[ 13.566750][ C0] CPU: 0 UID: 0 PID: 380 Comm: seq Not tainted 7.2.0-rc2-virtme #1 PREEMPT(full)
[ 13.566753][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 13.566754][ C0] Call Trace:
[ 13.566756][ C0]
[ 13.566757][ C0] dump_stack_lvl+0x6f/0xa0
[ 13.566763][ C0] lockdep_rcu_suspicious.cold+0x37/0x89
[ 13.566768][ C0] vxlan_fdb_create+0xe1b/0x1a70 [vxlan]
[ 13.566774][ C0] ? vxlan_find_mac_rcu+0x578/0x6b0 [vxlan]
[ 13.566781][ C0] ? lock_acquire.part.0+0xbc/0x260
[ 13.566785][ C0] ? find_held_lock+0x2b/0x80
[ 13.566788][ C0] ? vxlan_open+0x340/0x340 [vxlan]
[ 13.566792][ C0] ? __lock_release.isra.0+0x6b/0x1a0
[ 13.566797][ C0] vxlan_fdb_update+0x208/0x3e0 [vxlan]
[ 13.566804][ C0] ? vxlan_fdb_create+0x1a70/0x1a70 [vxlan]
[ 13.566808][ C0] ? lock_acquire.part.0+0xbc/0x260
[ 13.566811][ C0] ? do_raw_spin_lock+0x131/0x280
[ 13.566815][ C0] vxlan_snoop+0x6ba/0x9a0 [vxlan]
[ 13.566823][ C0] vxlan_rcv+0x172e/0x2c20 [vxlan]
[ 13.566832][ C0] ? encap_bypass_if_local+0x290/0x290 [vxlan]
[ 13.566837][ C0] ? __udp6_lib_lookup+0x6c3/0x9a0
[ 13.566843][ C0] ? __lock_release.isra.0+0x6b/0x1a0
[ 13.566845][ C0] ? ip6_protocol_deliver_rcu+0xa78/0x1480
[ 13.566848][ C0] ? encap_bypass_if_local+0x290/0x290 [vxlan]
[ 13.566852][ C0] ? udpv6_queue_rcv_one_skb+0x653/0xbf0
[ 13.566854][ C0] udpv6_queue_rcv_one_skb+0x653/0xbf0
[ 13.566857][ C0] udp6_unicast_rcv_skb+0x2b3/0x390
[ 13.566860][ C0] ip6_protocol_deliver_rcu+0x15c/0x1480
[ 13.566867][ C0] ip6_input_finish+0x196/0x590
[ 13.566869][ C0] ip6_input+0x130/0x570
[ 13.566872][ C0] ? ip6_input_finish+0x590/0x590
[ 13.566875][ C0] ? ip6_rcv_core+0xded/0x1be0
[ 13.566880][ C0] ipv6_rcv+0x3c1/0x5a0
[ 13.566882][ C0] ? ip6_rcv_core+0x1be0/0x1be0
[ 13.566885][ C0] ? mark_usage+0x61/0x170
[ 13.566888][ C0] ? __lock_acquire+0x518/0xc20
[ 13.566892][ C0] ? process_backlog+0x561/0x1490
[ 13.566894][ C0] __netif_receive_skb_one_core+0xfc/0x180
[ 13.566896][ C0] ? lock_acquire.part.0+0xbc/0x260
[ 13.566899][ C0] ? __netif_receive_skb_list_core+0x9e0/0x9e0
[ 13.566901][ C0] ? rcu_is_watching+0x15/0xd0
[ 13.566907][ C0] process_backlog+0x2bc/0x1490
[ 13.566912][ C0] __napi_poll+0xa7/0x3b0
[ 13.566915][ C0] net_rx_action+0x513/0xf50
[ 13.566921][ C0] ? __napi_poll+0x3b0/0x3b0
[ 13.566922][ C0] ? __lock_release.isra.0+0x6b/0x1a0
[ 13.566928][ C0] ? sched_balance_softirq+0x29c/0x320
[ 13.566934][ C0] ? clockevents_program_event+0x307/0x7e0
[ 13.566938][ C0] ? mark_held_locks+0x40/0x70
[ 13.566942][ C0] handle_softirqs+0x1d8/0x8f0
[ 13.566948][ C0] ? _local_bh_enable+0xd0/0xd0
[ 13.566952][ C0] __irq_exit_rcu+0x103/0x1c0
[ 13.566955][ C0] irq_exit_rcu+0xe/0x30
[ 13.566957][ C0] sysvec_apic_timer_interrupt+0x9d/0xe0
[ 13.566960][ C0]
[ 13.566961][ C0]
[ 13.566962][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 13.566965][ C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x36/0x80
[ 13.566969][ C0] Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 c1 b5 c1 fd 48 89 df e8 b9 0b c2 fd f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f 01 00 00 00 e8 60 ec b3 fd 65 8b 05 09 bd f8 01 85 c0 74 12 5b
[ 13.566971][ C0] RSP: 0018:ffa0000001eef5e8 EFLAGS: 00000246
[ 13.566973][ C0] RAX: 0000000000000092 RBX: ff11000001041440 RCX: ffffffff83d2b333
[ 13.566975][ C0] RDX: ff11000010098040 RSI: ffffffff846173d9 RDI: ffffffff8407a960
[ 13.566976][ C0] RBP: 0000000000000246 R08: 0000000000000000 R09: 0000000000000000
[ 13.566977][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: ff11000001041440
[ 13.566978][ C0] R13: ff1100000103fe40 R14: ff1100000d5fe3b0 R15: ffd4000000357f80
[ 13.566988][ C0] ? _raw_spin_unlock_irqrestore+0x53/0x80
[ 13.566992][ C0] get_from_partial_node+0x204/0x570
[ 13.566999][ C0] ___slab_alloc+0x71/0x2f0
[ 13.567001][ C0] ? __pcs_replace_empty_main+0x446/0x6d0
[ 13.567005][ C0] kmem_cache_alloc_noprof+0x4cf/0x600
[ 13.567007][ C0] ? __fput+0x363/0xac0
[ 13.567010][ C0] ? __alloc_object+0x30/0x250
[ 13.567015][ C0] __alloc_object+0x30/0x250
[ 13.567017][ C0] ? __pcs_replace_empty_main+0x446/0x6d0
[ 13.567019][ C0] __create_object+0x30/0x110
[ 13.567022][ C0] __kmalloc_noprof+0x4fe/0x750
[ 13.567025][ C0] ? virtqueue_add_split+0xca9/0x1df0
[ 13.567031][ C0] virtqueue_add_split+0xca9/0x1df0
[ 13.567037][ C0] ? virtqueue_add_packed+0x16e0/0x16e0
[ 13.567039][ C0] ? __lock_acquire+0x518/0xc20
[ 13.567045][ C0] virtqueue_add_sgs+0x136/0x280
[ 13.567050][ C0] virtio_fs_enqueue_req+0x629/0xf90
[ 13.567056][ C0] ? virtio_fs_probe+0x310/0x310
[ 13.567058][ C0] ? rcu_lockdep_current_cpu_online+0x39/0x1b0
[ 13.567068][ C0] ? __rwlock_init+0x150/0x150
[ 13.567071][ C0] ? do_raw_spin_unlock+0x59/0x250
[ 13.567075][ C0] virtio_fs_send_req+0xf6/0x480
[ 13.567077][ C0] ? fuse_request_alloc+0x120/0x210
[ 13.567081][ C0] fuse_chan_send+0x354/0x610
[ 13.567085][ C0] fuse_file_put+0x286/0x470
[ 13.567087][ C0] ? fuse_file_release+0x57/0x290
[ 13.567090][ C0] fuse_release+0x12c/0x230
[ 13.567092][ C0] __fput+0x363/0xac0
[ 13.567095][ C0] ? lockdep_hardirqs_on+0x8c/0x130
[ 13.567097][ C0] ? __call_rcu_common.constprop.0+0x3d1/0xa10
[ 13.567099][ C0] ? trace_irq_enable.constprop.0+0x9b/0x160
[ 13.567104][ C0] task_work_run+0x12b/0x240
[ 13.567107][ C0] ? __rwlock_init+0x150/0x150
[ 13.567109][ C0] ? task_work_cancel+0x30/0x30
[ 13.567111][ C0] ? do_raw_spin_unlock+0x59/0x250
[ 13.567115][ C0] do_exit+0x614/0xdc0
[ 13.567118][ C0] ? exit_notify+0x890/0x890
[ 13.567119][ C0] ? __lock_release.isra.0+0x6b/0x1a0
[ 13.567122][ C0] ? rcu_is_watching+0x15/0xd0
[ 13.567126][ C0] do_group_exit+0xb8/0x370
[ 13.567129][ C0] __x64_sys_exit_group+0x3c/0x50
[ 13.567131][ C0] x64_sys_call+0x102c/0x1530
[ 13.567134][ C0] do_syscall_64+0x117/0x590
[ 13.567137][ C0] ? trace_hardirqs_off+0xd/0x30
[ 13.567139][ C0] ? exc_page_fault+0xee/0x100
[ 13.567141][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 13.567143][ C0] RIP: 0033:0x7f98236681b8
[ 13.567146][ C0] Code: Unable to access opcode bytes at 0x7f982366818e.
[ 13.567147][ C0] RSP: 002b:00007ffeba6f4de8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 13.567148][ C0] RAX: ffffffffffffffda RBX: 00007f9823798f88 RCX: 00007f98236681b8
[ 13.567149][ C0] RDX: 00007f98235a5a48 RSI: ffffffffffffffb0 RDI: 0000000000000000
[ 13.567150][ C0] RBP: 00007ffeba6f4e40 R08: 0000000000000000 R09: 0000000000000000
[ 13.567151][ C0] R10: 00007ffeba6f4c80 R11: 0000000000000246 R12: 0000000000000002
[ 13.567152][ C0] R13: 0000000000000000 R14: 00007f9823797680 R15: 00007f9823798fa0
[ 13.567158][ C0]
[ 20.355264][ T438] GACT probability NOT on
[ 68.115548][ T715] veth3: entered promiscuous mode
[ 76.342795][ T1044] tc (1044) used greatest stack depth: 24048 bytes left
[ 80.401003][ T1204] veth3: left promiscuous mode
[ 97.740430][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 97.841048][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 97.941497][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 98.041935][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 98.142373][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 98.242799][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 98.343210][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 98.443905][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 98.544315][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 98.644752][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 146.360714][ C2] net_ratelimit: 10 callbacks suppressed
[ 146.360723][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 146.461372][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 146.561792][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 146.662184][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 146.762603][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 146.863002][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 146.963406][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 147.063802][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 147.164188][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 147.264601][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 148.536830][ T2221] vx1: left allmulticast mode
[ 148.537013][ T2221] vx1: left promiscuous mode
[ 148.537247][ T2221] br1: port 1(vx1) entered disabled state
[ 153.657707][ T2226] br1: port 1(vx1) entered blocking state
[ 153.657888][ T2226] br1: port 1(vx1) entered disabled state
[ 153.658054][ T2226] vx1: entered allmulticast mode
[ 153.660120][ T2226] vx1: entered promiscuous mode
[ 153.660661][ T2226] br1: port 1(vx1) entered blocking state
[ 153.660799][ T2226] br1: port 1(vx1) entered forwarding state
[ 208.482543][ T2521] veth3: entered promiscuous mode
[ 220.605939][ T3010] veth3: left promiscuous mode
[ 220.853583][ T12] vx2: left allmulticast mode
[ 220.853788][ T12] vx2: left promiscuous mode
[ 220.854026][ T12] br2: port 2(vx2) entered disabled state
[ 220.858279][ T12] w1: left allmulticast mode
[ 220.858453][ T12] w1: left promiscuous mode
[ 220.858714][ T12] br2: port 1(w1) entered disabled state
[ 220.972522][ T12] vx2: left allmulticast mode
[ 220.972716][ T12] vx2: left promiscuous mode
[ 220.972992][ T12] br2: port 2(vx2) entered disabled state
[ 220.975139][ T12] w1: left allmulticast mode
[ 220.975320][ T12] w1: left promiscuous mode
[ 220.975681][ T12] br2: port 1(w1) entered disabled state
[ 221.529843][ T3049] br1: port 3(veth2) entered disabled state
[ 221.557691][ T3050] veth2: left allmulticast mode
[ 221.557846][ T3050] veth2: left promiscuous mode
[ 221.558071][ T3050] br1: port 3(veth2) entered disabled state
[ 221.607002][ T3052] br1: port 2(veth1) entered disabled state
[ 221.632635][ T3053] veth1: left allmulticast mode
[ 221.632822][ T3053] veth1: left promiscuous mode
[ 221.633101][ T3053] br1: port 2(veth1) entered disabled state
[ 221.657482][ T3054] vx1: left allmulticast mode
[ 221.657667][ T3054] vx1: left promiscuous mode
[ 221.657950][ T3054] br1: port 1(vx1) entered disabled state