[ 10.540644][ T238] 8021q: 802.1Q VLAN Support v1.8 [ 12.010979][ T291] br1: port 1(vx10) entered blocking state [ 12.011401][ T291] br1: port 1(vx10) entered disabled state [ 12.011600][ T291] vx10: entered allmulticast mode [ 12.013333][ T291] vx10: entered promiscuous mode [ 12.013796][ T291] br1: port 1(vx10) entered blocking state [ 12.014029][ T291] br1: port 1(vx10) entered forwarding state [ 12.139914][ T296] br1: port 2(vx20) entered blocking state [ 12.140120][ T296] br1: port 2(vx20) entered disabled state [ 12.140321][ T296] vx20: entered allmulticast mode [ 12.142742][ T296] vx20: entered promiscuous mode [ 12.143191][ T296] br1: port 2(vx20) entered blocking state [ 12.143397][ T296] br1: port 2(vx20) entered forwarding state [ 12.199968][ T298] br1: port 3(veth1) entered blocking state [ 12.200225][ T298] br1: port 3(veth1) entered disabled state [ 12.200473][ T298] veth1: entered allmulticast mode [ 12.202245][ T298] veth1: entered promiscuous mode [ 12.236376][ T36] br1: port 3(veth1) entered blocking state [ 12.236635][ T36] br1: port 3(veth1) entered forwarding state [ 12.344512][ T303] br1: port 4(veth2) entered blocking state [ 12.344729][ T303] br1: port 4(veth2) entered disabled state [ 12.344921][ T303] veth2: entered allmulticast mode [ 12.346369][ T303] veth2: entered promiscuous mode [ 12.380944][ T38] br1: port 4(veth2) entered blocking state [ 12.381384][ T38] br1: port 4(veth2) entered forwarding state [ 13.657084][ T354] br2: port 1(w1) entered blocking state [ 13.657268][ T354] br2: port 1(w1) entered disabled state [ 13.657423][ T354] w1: entered allmulticast mode [ 13.658903][ T354] w1: entered promiscuous mode [ 13.872639][ T362] br2: port 2(vx10) entered blocking state [ 13.872861][ T362] br2: port 2(vx10) entered disabled state [ 13.873070][ T362] vx10: entered allmulticast mode [ 13.874545][ T362] vx10: entered promiscuous mode [ 13.874919][ T362] br2: port 2(vx10) entered blocking state [ 13.875111][ T362] br2: port 2(vx10) entered forwarding state [ 14.070536][ T369] br2: port 3(vx20) entered blocking state [ 14.070750][ T369] br2: port 3(vx20) entered disabled state [ 14.070950][ T369] vx20: entered allmulticast mode [ 14.072465][ T369] vx20: entered promiscuous mode [ 14.072796][ T369] br2: port 3(vx20) entered blocking state [ 14.073004][ T369] br2: port 3(vx20) entered forwarding state [ 14.308074][ T36] br2: port 1(w1) entered blocking state [ 14.308388][ T36] br2: port 1(w1) entered forwarding state [ 15.096973][ T410] br2: port 1(w1) entered blocking state [ 15.097160][ T410] br2: port 1(w1) entered disabled state [ 15.097327][ T410] w1: entered allmulticast mode [ 15.098811][ T410] w1: entered promiscuous mode [ 15.130117][ T411] br2: port 1(w1) entered blocking state [ 15.130334][ T411] br2: port 1(w1) entered forwarding state [ 15.314599][ T418] br2: port 2(vx10) entered blocking state [ 15.314811][ T418] br2: port 2(vx10) entered disabled state [ 15.315717][ T418] vx10: entered allmulticast mode [ 15.317252][ T418] vx10: entered promiscuous mode [ 15.317599][ T418] br2: port 2(vx10) entered blocking state [ 15.317790][ T418] br2: port 2(vx10) entered forwarding state [ 15.522866][ T425] br2: port 3(vx20) entered blocking state [ 15.523084][ T425] br2: port 3(vx20) entered disabled state [ 15.523292][ T425] vx20: entered allmulticast mode [ 15.524807][ T425] vx20: entered promiscuous mode [ 15.525189][ T425] br2: port 3(vx20) entered blocking state [ 15.525366][ T425] br2: port 3(vx20) entered forwarding state [ 15.674290][ T38] br2: port 1(w1) entered disabled state [ 15.751763][ T108] br2: port 1(w1) entered blocking state [ 15.751947][ T108] br2: port 1(w1) entered forwarding state [ 16.697775][ C3] [ 16.698032][ C3] ============================= [ 16.698474][ C3] WARNING: suspicious RCU usage [ 16.698627][ C3] 7.2.0-rc1-virtme #1 Not tainted [ 16.698784][ C3] ----------------------------- [ 16.698937][ C3] drivers/net/vxlan/vxlan_core.c:872 suspicious rcu_dereference_protected() usage! [ 16.699213][ C3] [ 16.699213][ C3] other info that might help us debug this: [ 16.699213][ C3] [ 16.699515][ C3] [ 16.699515][ C3] rcu_scheduler_active = 2, debug_locks = 1 [ 16.699746][ C3] 3 locks held by swapper/3/0: [ 16.699902][ C3] #0: ffffffff93d7de40 (rcu_read_lock){....}-{1:3}, at: process_backlog+0x561/0x1490 [ 16.700212][ C3] #1: ffffffff93d7de40 (rcu_read_lock){....}-{1:3}, at: ip6_input+0xa1/0x570 [ 16.700489][ C3] #2: ff11000010b9af68 (&vxlan->hash_lock){+.-.}-{3:3}, at: vxlan_snoop+0x5dc/0x9a0 [vxlan] [ 16.700805][ C3] [ 16.700805][ C3] stack backtrace: [ 16.700999][ C3] CPU: 3 UID: 0 PID: 0 Comm: swapper/3 Not tainted 7.2.0-rc1-virtme #1 PREEMPT(full) [ 16.701002][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.701004][ C3] Call Trace: [ 16.701005][ C3] [ 16.701007][ C3] dump_stack_lvl+0x6f/0xa0 [ 16.701014][ C3] lockdep_rcu_suspicious.cold+0x37/0x89 [ 16.701019][ C3] vxlan_fdb_create+0xe1b/0x1a70 [vxlan] [ 16.701025][ C3] ? vxlan_find_mac_rcu+0x578/0x6b0 [vxlan] [ 16.701032][ C3] ? lock_acquire.part.0+0xbc/0x260 [ 16.701036][ C3] ? find_held_lock+0x2b/0x80 [ 16.701039][ C3] ? vxlan_open+0x340/0x340 [vxlan] [ 16.701043][ C3] ? __lock_release.isra.0+0x6b/0x1a0 [ 16.701048][ C3] vxlan_fdb_update+0x208/0x3e0 [vxlan] [ 16.701059][ C3] ? vxlan_fdb_create+0x1a70/0x1a70 [vxlan] [ 16.701063][ C3] ? lock_acquire.part.0+0xbc/0x260 [ 16.701066][ C3] ? do_raw_spin_lock+0x131/0x280 [ 16.701070][ C3] vxlan_snoop+0x6ba/0x9a0 [vxlan] [ 16.701078][ C3] vxlan_rcv+0x172e/0x2c20 [vxlan] [ 16.701087][ C3] ? encap_bypass_if_local+0x290/0x290 [vxlan] [ 16.701092][ C3] ? __udp6_lib_lookup+0x6c3/0x9a0 [ 16.701099][ C3] ? __lock_release.isra.0+0x6b/0x1a0 [ 16.701103][ C3] ? encap_bypass_if_local+0x290/0x290 [vxlan] [ 16.701107][ C3] ? udpv6_queue_rcv_one_skb+0x653/0xbf0 [ 16.701110][ C3] udpv6_queue_rcv_one_skb+0x653/0xbf0 [ 16.701114][ C3] udp6_unicast_rcv_skb+0x2b3/0x390 [ 16.701117][ C3] ip6_protocol_deliver_rcu+0x15c/0x1480 [ 16.701124][ C3] ip6_input_finish+0x196/0x590 [ 16.701127][ C3] ip6_input+0x130/0x570 [ 16.701129][ C3] ? ip6_input_finish+0x590/0x590 [ 16.701132][ C3] ? ip6_rcv_core+0xded/0x1be0 [ 16.701137][ C3] ipv6_rcv+0x3c1/0x5a0 [ 16.701139][ C3] ? ip6_rcv_core+0x1be0/0x1be0 [ 16.701143][ C3] ? mark_usage+0x61/0x170 [ 16.701146][ C3] ? __lock_acquire+0x518/0xc20 [ 16.701152][ C3] ? process_backlog+0x561/0x1490 [ 16.701154][ C3] __netif_receive_skb_one_core+0xfc/0x180 [ 16.701157][ C3] ? lock_acquire.part.0+0xbc/0x260 [ 16.701160][ C3] ? __netif_receive_skb_list_core+0x9e0/0x9e0 [ 16.701162][ C3] ? rcu_is_watching+0x15/0xd0 [ 16.701168][ C3] process_backlog+0x2bc/0x1490 [ 16.701173][ C3] __napi_poll+0xa7/0x3b0 [ 16.701176][ C3] net_rx_action+0x513/0xf50 [ 16.701181][ C3] ? __lock_acquire+0x518/0xc20 [ 16.701183][ C3] ? __napi_poll+0x3b0/0x3b0 [ 16.701187][ C3] ? trace_rcu_this_gp.isra.0+0x1b6/0x3c0 [ 16.701190][ C3] ? trace_rcu_quiescent_state_report+0xf2/0x330 [ 16.701196][ C3] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 16.701199][ C3] ? do_raw_spin_unlock+0x59/0x250 [ 16.701200][ C3] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160 [ 16.701202][ C3] ? lockdep_hardirqs_on+0x8c/0x130 [ 16.701205][ C3] ? _raw_spin_unlock_irqrestore+0x53/0x80 [ 16.701208][ C3] ? rcu_is_watching+0x15/0xd0 [ 16.701211][ C3] handle_softirqs+0x1d8/0x8f0 [ 16.701217][ C3] ? _local_bh_enable+0xd0/0xd0 [ 16.701221][ C3] __irq_exit_rcu+0x103/0x1c0 [ 16.701224][ C3] irq_exit_rcu+0xe/0x30 [ 16.701226][ C3] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 16.701228][ C3] [ 16.701229][ C3] [ 16.701229][ C3] ? lockdep_hardirqs_on+0x8c/0x130 [ 16.701231][ C3] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 16.701234][ C3] RIP: 0010:pv_native_safe_halt+0xf/0x10 [ 16.701236][ C3] Code: 48 8b 3d 44 a1 fb 01 e8 1f 00 00 00 48 2b 05 08 62 9b 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 43 7d 19 00 fb f4 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01 [ 16.701238][ C3] RSP: 0018:ffa0000000167e00 EFLAGS: 00000282 [ 16.701240][ C3] RAX: 00000000000cfa87 RBX: ff11000001bd8040 RCX: ffffffff90ae3d17 [ 16.701242][ C3] RDX: ff11000001bd8040 RSI: ffffffff93816f14 RDI: ffffffff9327a8e0 [ 16.701243][ C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 16.701244][ C3] R10: 0000000000000003 R11: 0000000000000001 R12: 1ff400000002cfc3 [ 16.701245][ C3] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 [ 16.701248][ C3] ? cpuidle_idle_call.constprop.0+0x237/0x410 [ 16.701253][ C3] default_idle+0x9/0x10 [ 16.701255][ C3] default_idle_call+0x6e/0xb0 [ 16.701257][ C3] cpuidle_idle_call.constprop.0+0x237/0x410 [ 16.701260][ C3] ? arch_cpu_idle_exit+0x40/0x40 [ 16.701263][ C3] ? mark_tsc_async_resets+0x30/0x30 [ 16.701267][ C3] ? rcu_is_watching+0x15/0xd0 [ 16.701270][ C3] do_idle+0xd8/0x180 [ 16.701272][ C3] cpu_startup_entry+0x53/0x70 [ 16.701274][ C3] start_secondary+0x204/0x2b0 [ 16.701277][ C3] ? set_cpu_sibling_map+0x2130/0x2130 [ 16.701281][ C3] common_startup_64+0x13e/0x148 [ 16.701291][ C3] [ 24.171086][ T521] GACT probability NOT on [ 111.643344][ T12] vx20: left allmulticast mode [ 111.643632][ T12] vx20: left promiscuous mode [ 111.643968][ T12] br2: port 3(vx20) entered disabled state [ 111.646641][ T12] vx10: left allmulticast mode [ 111.646838][ T12] vx10: left promiscuous mode [ 111.647110][ T12] br2: port 2(vx10) entered disabled state [ 111.650684][ T12] w1: left allmulticast mode [ 111.650875][ T12] w1: left promiscuous mode [ 111.651145][ T12] br2: port 1(w1) entered disabled state [ 111.753321][ T12] vx20: left allmulticast mode [ 111.753546][ T12] vx20: left promiscuous mode [ 111.753925][ T12] br2: port 3(vx20) entered disabled state [ 111.755616][ T12] vx10: left allmulticast mode [ 111.755800][ T12] vx10: left promiscuous mode [ 111.756114][ T12] br2: port 2(vx10) entered disabled state [ 111.757488][ T12] w1: left allmulticast mode [ 111.759438][ T12] w1: left promiscuous mode [ 111.759720][ T12] br2: port 1(w1) entered disabled state [ 112.506393][ T746] br1: port 4(veth2) entered disabled state [ 112.529963][ T747] veth2: left allmulticast mode [ 112.530133][ T747] veth2: left promiscuous mode [ 112.530864][ T747] br1: port 4(veth2) entered disabled state [ 112.642757][ T751] br1: port 3(veth1) entered disabled state [ 112.672636][ T752] veth1: left allmulticast mode [ 112.672848][ T752] veth1: left promiscuous mode [ 112.673140][ T752] br1: port 3(veth1) entered disabled state [ 112.731873][ T754] vx20: left allmulticast mode [ 112.732082][ T754] vx20: left promiscuous mode [ 112.732392][ T754] br1: port 2(vx20) entered disabled state [ 112.859572][ T758] vx10: left allmulticast mode [ 112.859801][ T758] vx10: left promiscuous mode [ 112.860099][ T758] br1: port 1(vx10) entered disabled state