[ 9.637304][ T228] 8021q: 802.1Q VLAN Support v1.8 [ 10.861943][ T280] br1: port 1(vx10) entered blocking state [ 10.862241][ T280] br1: port 1(vx10) entered disabled state [ 10.862472][ T280] vx10: entered allmulticast mode [ 10.864129][ T280] vx10: entered promiscuous mode [ 10.864574][ T280] br1: port 1(vx10) entered blocking state [ 10.864889][ T280] br1: port 1(vx10) entered forwarding state [ 10.975917][ T286] br1: port 2(vx20) entered blocking state [ 10.976115][ T286] br1: port 2(vx20) entered disabled state [ 10.976289][ T286] vx20: entered allmulticast mode [ 10.978267][ T286] vx20: entered promiscuous mode [ 10.978614][ T286] br1: port 2(vx20) entered blocking state [ 10.978793][ T286] br1: port 2(vx20) entered forwarding state [ 11.025877][ T288] br1: port 3(veth1) entered blocking state [ 11.026075][ T288] br1: port 3(veth1) entered disabled state [ 11.026243][ T288] veth1: entered allmulticast mode [ 11.027576][ T288] veth1: entered promiscuous mode [ 11.054206][ T103] br1: port 3(veth1) entered blocking state [ 11.054434][ T103] br1: port 3(veth1) entered forwarding state [ 11.147534][ T293] br1: port 4(veth2) entered blocking state [ 11.147755][ T293] br1: port 4(veth2) entered disabled state [ 11.148239][ T293] veth2: entered allmulticast mode [ 11.155435][ T293] veth2: entered promiscuous mode [ 11.178452][ T103] br1: port 4(veth2) entered blocking state [ 11.178634][ T103] br1: port 4(veth2) entered forwarding state [ 12.298196][ T348] br2: port 1(w1) entered blocking state [ 12.298368][ T348] br2: port 1(w1) entered disabled state [ 12.298512][ T348] w1: entered allmulticast mode [ 12.306320][ T348] w1: entered promiscuous mode [ 12.327534][ T349] br2: port 1(w1) entered blocking state [ 12.327704][ T349] br2: port 1(w1) entered forwarding state [ 12.494378][ T356] br2: port 2(vx10) entered blocking state [ 12.494631][ T356] br2: port 2(vx10) entered disabled state [ 12.494912][ T356] vx10: entered allmulticast mode [ 12.497073][ T356] vx10: entered promiscuous mode [ 12.497493][ T356] br2: port 2(vx10) entered blocking state [ 12.497702][ T356] br2: port 2(vx10) entered forwarding state [ 12.672993][ T36] br2: port 1(w1) entered disabled state [ 12.683975][ T363] br2: port 3(vx20) entered blocking state [ 12.684161][ T363] br2: port 3(vx20) entered disabled state [ 12.684339][ T363] vx20: entered allmulticast mode [ 12.685714][ T363] vx20: entered promiscuous mode [ 12.686166][ T363] br2: port 3(vx20) entered blocking state [ 12.686335][ T363] br2: port 3(vx20) entered forwarding state [ 12.879082][ T36] br2: port 1(w1) entered blocking state [ 12.879267][ T36] br2: port 1(w1) entered forwarding state [ 13.586029][ T404] br2: port 1(w1) entered blocking state [ 13.586221][ T404] br2: port 1(w1) entered disabled state [ 13.586763][ T404] w1: entered allmulticast mode [ 13.588385][ T404] w1: entered promiscuous mode [ 13.628536][ T405] br2: port 1(w1) entered blocking state [ 13.628796][ T405] br2: port 1(w1) entered forwarding state [ 13.681649][ T187] br2: port 1(w1) entered disabled state [ 14.009439][ T412] br2: port 2(vx10) entered blocking state [ 14.009732][ T412] br2: port 2(vx10) entered disabled state [ 14.010041][ T412] vx10: entered allmulticast mode [ 14.011817][ T412] vx10: entered promiscuous mode [ 14.012321][ T412] br2: port 2(vx10) entered blocking state [ 14.012550][ T412] br2: port 2(vx10) entered forwarding state [ 14.242634][ C1] [ 14.243039][ C1] ============================= [ 14.243200][ C1] WARNING: suspicious RCU usage [ 14.243352][ C1] 7.2.0-rc2-virtme #1 Not tainted [ 14.243498][ C1] ----------------------------- [ 14.243640][ C1] drivers/net/vxlan/vxlan_core.c:872 suspicious rcu_dereference_protected() usage! [ 14.243913][ C1] [ 14.243913][ C1] other info that might help us debug this: [ 14.243913][ C1] [ 14.244206][ C1] [ 14.244206][ C1] rcu_scheduler_active = 2, debug_locks = 1 [ 14.244439][ C1] 3 locks held by ksoftirqd/1/23: [ 14.244587][ C1] #0: ffffffffb9f7dd40 (rcu_read_lock){....}-{1:3}, at: process_backlog+0x561/0x1490 [ 14.244903][ C1] #1: ffffffffb9f7dd40 (rcu_read_lock){....}-{1:3}, at: ip6_input+0xa1/0x570 [ 14.245163][ C1] #2: ff110000124a2f68 (&vxlan->hash_lock){+.-.}-{3:3}, at: vxlan_snoop+0x5dc/0x9a0 [vxlan] [ 14.245475][ C1] [ 14.245475][ C1] stack backtrace: [ 14.245661][ C1] CPU: 1 UID: 0 PID: 23 Comm: ksoftirqd/1 Not tainted 7.2.0-rc2-virtme #1 PREEMPT(full) [ 14.245664][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.245666][ C1] Call Trace: [ 14.245668][ C1] [ 14.245670][ C1] dump_stack_lvl+0x6f/0xa0 [ 14.245677][ C1] lockdep_rcu_suspicious.cold+0x37/0x89 [ 14.245682][ C1] vxlan_fdb_create+0xe1b/0x1a70 [vxlan] [ 14.245689][ C1] ? vxlan_find_mac_rcu+0x578/0x6b0 [vxlan] [ 14.245696][ C1] ? lock_acquire.part.0+0xbc/0x260 [ 14.245700][ C1] ? find_held_lock+0x2b/0x80 [ 14.245703][ C1] ? vxlan_open+0x340/0x340 [vxlan] [ 14.245708][ C1] ? __lock_release.isra.0+0x6b/0x1a0 [ 14.245713][ C1] vxlan_fdb_update+0x208/0x3e0 [vxlan] [ 14.245720][ C1] ? vxlan_fdb_create+0x1a70/0x1a70 [vxlan] [ 14.245724][ C1] ? lock_acquire.part.0+0xbc/0x260 [ 14.245727][ C1] ? do_raw_spin_lock+0x131/0x280 [ 14.245731][ C1] vxlan_snoop+0x6ba/0x9a0 [vxlan] [ 14.245739][ C1] vxlan_rcv+0x172e/0x2c20 [vxlan] [ 14.245748][ C1] ? encap_bypass_if_local+0x290/0x290 [vxlan] [ 14.245755][ C1] ? lock_acquire.part.0+0xbc/0x260 [ 14.245758][ C1] ? __lock_release.isra.0+0x6b/0x1a0 [ 14.245760][ C1] ? ip6_protocol_deliver_rcu+0xa78/0x1480 [ 14.245764][ C1] ? encap_bypass_if_local+0x290/0x290 [vxlan] [ 14.245769][ C1] ? udpv6_queue_rcv_one_skb+0x653/0xbf0 [ 14.245772][ C1] udpv6_queue_rcv_one_skb+0x653/0xbf0 [ 14.245776][ C1] udp6_unicast_rcv_skb+0x2b3/0x390 [ 14.245780][ C1] ip6_protocol_deliver_rcu+0x15c/0x1480 [ 14.245792][ C1] ip6_input_finish+0x196/0x590 [ 14.245795][ C1] ip6_input+0x130/0x570 [ 14.245797][ C1] ? ip6_input_finish+0x590/0x590 [ 14.245801][ C1] ? ip6_rcv_core+0xded/0x1be0 [ 14.245805][ C1] ipv6_rcv+0x3c1/0x5a0 [ 14.245808][ C1] ? ip6_rcv_core+0x1be0/0x1be0 [ 14.245811][ C1] ? mark_usage+0x61/0x170 [ 14.245814][ C1] ? __lock_acquire+0x518/0xc20 [ 14.245818][ C1] ? process_backlog+0x561/0x1490 [ 14.245820][ C1] __netif_receive_skb_one_core+0xfc/0x180 [ 14.245823][ C1] ? lock_acquire.part.0+0xbc/0x260 [ 14.245825][ C1] ? __netif_receive_skb_list_core+0x9e0/0x9e0 [ 14.245828][ C1] ? rcu_is_watching+0x15/0xd0 [ 14.245837][ C1] process_backlog+0x2bc/0x1490 [ 14.245842][ C1] __napi_poll+0xa7/0x3b0 [ 14.245846][ C1] net_rx_action+0x513/0xf50 [ 14.245851][ C1] ? __napi_poll+0x3b0/0x3b0 [ 14.245854][ C1] ? __lock_release.isra.0+0x6b/0x1a0 [ 14.245858][ C1] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 14.245865][ C1] ? __schedule+0xf9e/0x20e0 [ 14.245870][ C1] ? rcu_is_watching+0x15/0xd0 [ 14.245873][ C1] handle_softirqs+0x1d8/0x8f0 [ 14.245879][ C1] ? _local_bh_enable+0xd0/0xd0 [ 14.245882][ C1] ? rcu_is_watching+0x15/0xd0 [ 14.245885][ C1] run_ksoftirqd+0x39/0x60 [ 14.245887][ C1] smpboot_thread_fn+0x2fb/0x9b0 [ 14.245892][ C1] ? sort_range+0x20/0x20 [ 14.245893][ C1] kthread+0x367/0x460 [ 14.245895][ C1] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 14.245897][ C1] ? kthread_affine_node+0x330/0x330 [ 14.245900][ C1] ret_from_fork+0x474/0x6b0 [ 14.245904][ C1] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 14.245908][ C1] ? __switch_to+0x5a3/0xe00 [ 14.245911][ C1] ? kthread_affine_node+0x330/0x330 [ 14.245913][ C1] ret_from_fork_asm+0x11/0x20 [ 14.245922][ C1] [ 14.347338][ T419] br2: port 3(vx20) entered blocking state [ 14.347601][ T419] br2: port 3(vx20) entered disabled state [ 14.348885][ T419] vx20: entered allmulticast mode [ 14.350440][ T419] vx20: entered promiscuous mode [ 14.350819][ T419] br2: port 3(vx20) entered blocking state [ 14.351008][ T419] br2: port 3(vx20) entered forwarding state [ 14.651966][ T36] br2: port 1(w1) entered blocking state [ 14.652166][ T36] br2: port 1(w1) entered forwarding state [ 22.943500][ T515] GACT probability NOT on [ 121.286565][ T1334] veth3: entered promiscuous mode [ 138.637464][ T2261] veth3: left promiscuous mode [ 138.795403][ T2267] veth3: entered promiscuous mode [ 156.165500][ T3194] veth3: left promiscuous mode [ 156.443282][ T3212] vx20: left allmulticast mode [ 156.443466][ T3212] vx20: left promiscuous mode [ 156.443697][ T3212] br1: port 2(vx20) entered disabled state [ 156.475102][ T3213] vx10: left allmulticast mode [ 156.475259][ T3213] vx10: left promiscuous mode [ 156.475472][ T3213] br1: port 1(vx10) entered disabled state [ 161.592628][ T3218] br1: port 1(vx10) entered blocking state [ 161.592894][ T3218] br1: port 1(vx10) entered disabled state [ 161.593158][ T3218] vx10: entered allmulticast mode [ 161.594714][ T3218] vx10: entered promiscuous mode [ 161.595641][ T3218] br1: port 1(vx10) entered blocking state [ 161.595893][ T3218] br1: port 1(vx10) entered forwarding state [ 161.649694][ T3220] br1: port 2(vx20) entered blocking state [ 161.649899][ T3220] br1: port 2(vx20) entered disabled state [ 161.650098][ T3220] vx20: entered allmulticast mode [ 161.651545][ T3220] vx20: entered promiscuous mode [ 161.651901][ T3220] br1: port 2(vx20) entered blocking state [ 161.652071][ T3220] br1: port 2(vx20) entered forwarding state [ 211.417444][ T3341] ip (3341) used greatest stack depth: 23536 bytes left [ 267.574175][ T4064] veth3: entered promiscuous mode [ 285.430708][ T4991] veth3: left promiscuous mode [ 285.589367][ T4997] veth3: entered promiscuous mode [ 303.524736][ T5924] veth3: left promiscuous mode [ 477.386095][ T66] vx20: left allmulticast mode [ 477.386378][ T66] vx20: left promiscuous mode [ 477.386636][ T66] br2: port 3(vx20) entered disabled state [ 477.390757][ T66] vx10: left allmulticast mode [ 477.390963][ T66] vx10: left promiscuous mode [ 477.391174][ T66] br2: port 2(vx10) entered disabled state [ 477.392465][ T66] w1: left allmulticast mode [ 477.392605][ T66] w1: left promiscuous mode [ 477.393013][ T66] br2: port 1(w1) entered disabled state [ 477.505601][ T66] vx20: left allmulticast mode [ 477.505778][ T66] vx20: left promiscuous mode [ 477.506092][ T66] br2: port 3(vx20) entered disabled state [ 477.508074][ T66] vx10: left allmulticast mode [ 477.508267][ T66] vx10: left promiscuous mode [ 477.508547][ T66] br2: port 2(vx10) entered disabled state [ 477.510222][ T66] w1: left allmulticast mode [ 477.510407][ T66] w1: left promiscuous mode [ 477.510674][ T66] br2: port 1(w1) entered disabled state [ 478.194316][T10508] br1: port 4(veth2) entered disabled state [ 478.217528][T10509] veth2: left allmulticast mode [ 478.217727][T10509] veth2: left promiscuous mode [ 478.218029][T10509] br1: port 4(veth2) entered disabled state [ 478.327948][T10513] br1: port 3(veth1) entered disabled state [ 478.349726][T10514] veth1: left allmulticast mode [ 478.349937][T10514] veth1: left promiscuous mode [ 478.350217][T10514] br1: port 3(veth1) entered disabled state [ 478.400025][T10516] vx20: left allmulticast mode [ 478.400186][T10516] vx20: left promiscuous mode [ 478.400416][T10516] br1: port 2(vx20) entered disabled state [ 478.525728][T10520] vx10: left allmulticast mode [ 478.525910][T10520] vx10: left promiscuous mode [ 478.526140][T10520] br1: port 1(vx10) entered disabled state