[ 10.166587][ T185] ip (185) used greatest stack depth: 24480 bytes left
[ 10.580944][ T209] ip (209) used greatest stack depth: 24064 bytes left
[ 11.422294][ T239] 8021q: 802.1Q VLAN Support v1.8
[ 12.782518][ T287] br1: port 1(vx100) entered blocking state
[ 12.782779][ T287] br1: port 1(vx100) entered disabled state
[ 12.782975][ T287] vx100: entered allmulticast mode
[ 12.784558][ T287] vx100: entered promiscuous mode
[ 12.785025][ T287] br1: port 1(vx100) entered blocking state
[ 12.785237][ T287] br1: port 1(vx100) entered forwarding state
[ 12.848334][ T289] br1: port 2(veth1) entered blocking state
[ 12.848516][ T289] br1: port 2(veth1) entered disabled state
[ 12.848699][ T289] veth1: entered allmulticast mode
[ 12.850538][ T289] veth1: entered promiscuous mode
[ 12.874537][ T39] br1: port 2(veth1) entered blocking state
[ 12.874767][ T39] br1: port 2(veth1) entered forwarding state
[ 12.944977][ T292] br1: port 3(veth2) entered blocking state
[ 12.945179][ T292] br1: port 3(veth2) entered disabled state
[ 12.945489][ T292] veth2: entered allmulticast mode
[ 12.946873][ T292] veth2: entered promiscuous mode
[ 12.976558][ T104] br1: port 3(veth2) entered blocking state
[ 12.976775][ T104] br1: port 3(veth2) entered forwarding state
[ 14.284374][ T338] br2: port 1(w1) entered blocking state
[ 14.284540][ T338] br2: port 1(w1) entered disabled state
[ 14.284684][ T338] w1: entered allmulticast mode
[ 14.286566][ T338] w1: entered promiscuous mode
[ 14.465856][ T345] br2: port 2(vx100) entered blocking state
[ 14.466080][ T345] br2: port 2(vx100) entered disabled state
[ 14.466328][ T345] vx100: entered allmulticast mode
[ 14.467724][ T345] vx100: entered promiscuous mode
[ 14.468102][ T345] br2: port 2(vx100) entered blocking state
[ 14.468330][ T345] br2: port 2(vx100) entered forwarding state
[ 14.657601][ T104] br2: port 1(w1) entered blocking state
[ 14.657832][ T104] br2: port 1(w1) entered forwarding state
[ 15.327011][ T384] br2: port 1(w1) entered blocking state
[ 15.327225][ T384] br2: port 1(w1) entered disabled state
[ 15.328047][ T384] w1: entered allmulticast mode
[ 15.329526][ T384] w1: entered promiscuous mode
[ 15.352248][ T385] br2: port 1(w1) entered blocking state
[ 15.352447][ T385] br2: port 1(w1) entered forwarding state
[ 15.503139][ T391] br2: port 2(vx100) entered blocking state
[ 15.503355][ T391] br2: port 2(vx100) entered disabled state
[ 15.503539][ T391] vx100: entered allmulticast mode
[ 15.504927][ T391] vx100: entered promiscuous mode
[ 15.505282][ T391] br2: port 2(vx100) entered blocking state
[ 15.505459][ T391] br2: port 2(vx100) entered forwarding state
[ 17.009808][ C0]
[ 17.010056][ C0] =============================
[ 17.010404][ C0] WARNING: suspicious RCU usage
[ 17.010686][ C0] 7.2.0-rc1-virtme #1 Not tainted
[ 17.010969][ C0] -----------------------------
[ 17.011258][ C0] drivers/net/vxlan/vxlan_core.c:872 suspicious rcu_dereference_protected() usage!
[ 17.011755][ C0]
[ 17.011755][ C0] other info that might help us debug this:
[ 17.011755][ C0]
[ 17.012321][ C0]
[ 17.012321][ C0] rcu_scheduler_active = 2, debug_locks = 1
[ 17.012736][ C0] 3 locks held by swapper/0/0:
[ 17.013025][ C0] #0: ffffffffb157de40 (rcu_read_lock){....}-{1:3}, at: process_backlog+0x561/0x1490
[ 17.013542][ C0] #1: ffffffffb157de40 (rcu_read_lock){....}-{1:3}, at: ip6_input+0xa1/0x570
[ 17.014057][ C0] #2: ff1100000c2b2f68 (&vxlan->hash_lock){+.-.}-{3:3}, at: vxlan_snoop+0x5dc/0x9a0 [vxlan]
[ 17.014515][ C0]
[ 17.014515][ C0] stack backtrace:
[ 17.014721][ C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 7.2.0-rc1-virtme #1 PREEMPT(full)
[ 17.014724][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 17.014726][ C0] Call Trace:
[ 17.014727][ C0]
[ 17.014729][ C0] dump_stack_lvl+0x6f/0xa0
[ 17.014735][ C0] lockdep_rcu_suspicious.cold+0x37/0x89
[ 17.014740][ C0] vxlan_fdb_create+0xe1b/0x1a70 [vxlan]
[ 17.014745][ C0] ? vxlan_find_mac_rcu+0x578/0x6b0 [vxlan]
[ 17.014751][ C0] ? lock_acquire.part.0+0xbc/0x260
[ 17.014755][ C0] ? find_held_lock+0x2b/0x80
[ 17.014758][ C0] ? vxlan_open+0x340/0x340 [vxlan]
[ 17.014762][ C0] ? __lock_release.isra.0+0x6b/0x1a0
[ 17.014767][ C0] vxlan_fdb_update+0x208/0x3e0 [vxlan]
[ 17.014773][ C0] ? vxlan_fdb_create+0x1a70/0x1a70 [vxlan]
[ 17.014776][ C0] ? lock_acquire.part.0+0xbc/0x260
[ 17.014779][ C0] ? do_raw_spin_lock+0x131/0x280
[ 17.014783][ C0] vxlan_snoop+0x6ba/0x9a0 [vxlan]
[ 17.014791][ C0] vxlan_rcv+0x172e/0x2c20 [vxlan]
[ 17.014799][ C0] ? encap_bypass_if_local+0x290/0x290 [vxlan]
[ 17.014803][ C0] ? __udp6_lib_lookup+0x6c3/0x9a0
[ 17.014810][ C0] ? __lock_release.isra.0+0x6b/0x1a0
[ 17.014813][ C0] ? encap_bypass_if_local+0x290/0x290 [vxlan]
[ 17.014817][ C0] ? udpv6_queue_rcv_one_skb+0x653/0xbf0
[ 17.014819][ C0] udpv6_queue_rcv_one_skb+0x653/0xbf0
[ 17.014823][ C0] udp6_unicast_rcv_skb+0x2b3/0x390
[ 17.014826][ C0] ip6_protocol_deliver_rcu+0x15c/0x1480
[ 17.014833][ C0] ip6_input_finish+0x196/0x590
[ 17.014835][ C0] ip6_input+0x130/0x570
[ 17.014837][ C0] ? ip6_input_finish+0x590/0x590
[ 17.014840][ C0] ? ip6_rcv_core+0xded/0x1be0
[ 17.014844][ C0] ipv6_rcv+0x3c1/0x5a0
[ 17.014846][ C0] ? ip6_rcv_core+0x1be0/0x1be0
[ 17.014850][ C0] ? mark_usage+0x61/0x170
[ 17.014852][ C0] ? __lock_acquire+0x518/0xc20
[ 17.014856][ C0] ? process_backlog+0x561/0x1490
[ 17.014857][ C0] __netif_receive_skb_one_core+0xfc/0x180
[ 17.014859][ C0] ? lock_acquire.part.0+0xbc/0x260
[ 17.014862][ C0] ? __netif_receive_skb_list_core+0x9e0/0x9e0
[ 17.014864][ C0] ? rcu_is_watching+0x15/0xd0
[ 17.014870][ C0] process_backlog+0x2bc/0x1490
[ 17.014874][ C0] __napi_poll+0xa7/0x3b0
[ 17.014877][ C0] net_rx_action+0x513/0xf50
[ 17.014882][ C0] ? __napi_poll+0x3b0/0x3b0
[ 17.014886][ C0] ? find_held_lock+0x2b/0x80
[ 17.014892][ C0] ? _raw_spin_unlock_irq+0x33/0x50
[ 17.014895][ C0] ? run_timer_softirq+0xf8/0x160
[ 17.014897][ C0] ? clockevents_program_event+0x307/0x7e0
[ 17.014900][ C0] ? rcu_is_watching+0x15/0xd0
[ 17.014903][ C0] handle_softirqs+0x1d8/0x8f0
[ 17.014909][ C0] ? _local_bh_enable+0xd0/0xd0
[ 17.014913][ C0] __irq_exit_rcu+0x103/0x1c0
[ 17.014915][ C0] irq_exit_rcu+0xe/0x30
[ 17.014917][ C0] sysvec_apic_timer_interrupt+0x9d/0xe0
[ 17.014920][ C0]
[ 17.014921][ C0]
[ 17.014921][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160
[ 17.014924][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 17.014926][ C0] RIP: 0010:pv_native_safe_halt+0xf/0x10
[ 17.014929][ C0] 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
[ 17.014931][ C0] RSP: 0018:ffffffffb1207e18 EFLAGS: 00000292
[ 17.014933][ C0] RAX: 00000000000b7729 RBX: ffffffffb121c600 RCX: ffffffffae2e3d17
[ 17.014934][ C0] RDX: ffffffffb121c600 RSI: ffffffffb1016f14 RDI: ffffffffb0a7a8e0
[ 17.014935][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[ 17.014936][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff6240fc6
[ 17.014936][ C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[ 17.014940][ C0] ? cpuidle_idle_call.constprop.0+0x237/0x410
[ 17.014945][ C0] ? lockdep_hardirqs_on+0x8c/0x130
[ 17.014946][ C0] default_idle+0x9/0x10
[ 17.014948][ C0] default_idle_call+0x6e/0xb0
[ 17.014950][ C0] cpuidle_idle_call.constprop.0+0x237/0x410
[ 17.014952][ C0] ? arch_cpu_idle_exit+0x40/0x40
[ 17.014954][ C0] ? mark_tsc_async_resets+0x30/0x30
[ 17.014958][ C0] ? rcu_is_watching+0x15/0xd0
[ 17.014961][ C0] do_idle+0xd8/0x180
[ 17.014963][ C0] cpu_startup_entry+0x53/0x70
[ 17.014965][ C0] rest_init+0x1f7/0x200
[ 17.014968][ C0] start_kernel+0x3af/0x3b0
[ 17.014976][ C0] x86_64_start_reservations+0x24/0x30
[ 17.014980][ C0] x86_64_start_kernel+0x12b/0x130
[ 17.014982][ C0] common_startup_64+0x13e/0x148
[ 17.014991][ C0]
[ 25.091219][ T69] vx100: left allmulticast mode
[ 25.091521][ T69] vx100: left promiscuous mode
[ 25.091755][ T69] br2: port 2(vx100) entered disabled state
[ 25.102518][ T69] w1: left allmulticast mode
[ 25.102677][ T69] w1: left promiscuous mode
[ 25.102939][ T69] br2: port 1(w1) entered disabled state
[ 25.231821][ T69] vx100: left allmulticast mode
[ 25.231980][ T69] vx100: left promiscuous mode
[ 25.232211][ T69] br2: port 2(vx100) entered disabled state
[ 25.235689][ T69] w1: left allmulticast mode
[ 25.235828][ T69] w1: left promiscuous mode
[ 25.236037][ T69] br2: port 1(w1) entered disabled state
[ 25.891866][ T522] br1: port 3(veth2) entered disabled state
[ 25.914844][ T523] veth2: left allmulticast mode
[ 25.914998][ T523] veth2: left promiscuous mode
[ 25.915232][ T523] br1: port 3(veth2) entered disabled state
[ 25.969045][ T525] br1: port 2(veth1) entered disabled state
[ 25.996567][ T527] veth1: left allmulticast mode
[ 25.996787][ T527] veth1: left promiscuous mode
[ 25.997113][ T527] br1: port 2(veth1) entered disabled state
[ 26.028861][ T528] vx100: left allmulticast mode
[ 26.029016][ T528] vx100: left promiscuous mode
[ 26.029237][ T528] br1: port 1(vx100) entered disabled state