[ 15.112145][ T326] br1: port 1(vx10) entered blocking state [ 15.112928][ T326] br1: port 1(vx10) entered disabled state [ 15.113637][ T326] vx10: entered allmulticast mode [ 15.118392][ T326] vx10: entered promiscuous mode [ 15.119990][ T326] br1: port 1(vx10) entered blocking state [ 15.120638][ T326] br1: port 1(vx10) entered forwarding state [ 15.476574][ T331] br1: port 2(vx20) entered blocking state [ 15.476855][ T331] br1: port 2(vx20) entered disabled state [ 15.477132][ T331] vx20: entered allmulticast mode [ 15.479734][ T331] vx20: entered promiscuous mode [ 15.480590][ T331] br1: port 2(vx20) entered blocking state [ 15.480835][ T331] br1: port 2(vx20) entered forwarding state [ 15.652988][ T333] br1: port 3(veth1) entered blocking state [ 15.654504][ T333] br1: port 3(veth1) entered disabled state [ 15.654883][ T333] veth1: entered allmulticast mode [ 15.657036][ T333] veth1: entered promiscuous mode [ 15.741511][ T37] br1: port 3(veth1) entered blocking state [ 15.741933][ T37] br1: port 3(veth1) entered forwarding state [ 15.901683][ T336] br1: port 4(veth2) entered blocking state [ 15.901977][ T336] br1: port 4(veth2) entered disabled state [ 15.902253][ T336] veth2: entered allmulticast mode [ 15.904142][ T336] veth2: entered promiscuous mode [ 15.990888][ T39] br1: port 4(veth2) entered blocking state [ 15.991225][ T39] br1: port 4(veth2) entered forwarding state [ 16.626844][ T346] 8021q: 802.1Q VLAN Support v1.8 [ 16.654068][ T345] ip (345) used greatest stack depth: 23792 bytes left [ 16.923120][ T349] br1: entered promiscuous mode [ 16.926010][ T349] br1: left promiscuous mode [ 16.938176][ T349] br1: entered promiscuous mode [ 22.259815][ T427] br1: port 1(vx10) entered blocking state [ 22.260160][ T427] br1: port 1(vx10) entered disabled state [ 22.260511][ T427] vx10: entered allmulticast mode [ 22.262582][ T427] vx10: entered promiscuous mode [ 22.263458][ T427] br1: port 1(vx10) entered blocking state [ 22.263717][ T427] br1: port 1(vx10) entered forwarding state [ 22.590711][ T431] br1: port 2(vx20) entered blocking state [ 22.591069][ T431] br1: port 2(vx20) entered disabled state [ 22.591413][ T431] vx20: entered allmulticast mode [ 22.593754][ T431] vx20: entered promiscuous mode [ 22.594348][ T431] br1: port 2(vx20) entered blocking state [ 22.594634][ T431] br1: port 2(vx20) entered forwarding state [ 22.756350][ T433] br1: port 3(w1) entered blocking state [ 22.756629][ T433] br1: port 3(w1) entered disabled state [ 22.756879][ T433] w1: entered allmulticast mode [ 22.758827][ T433] w1: entered promiscuous mode [ 22.833462][ T37] br1: port 3(w1) entered blocking state [ 22.833924][ T37] br1: port 3(w1) entered forwarding state [ 22.987796][ T436] br1: port 4(w3) entered blocking state [ 22.988135][ T436] br1: port 4(w3) entered disabled state [ 22.988397][ T436] w3: entered allmulticast mode [ 22.990534][ T436] w3: entered promiscuous mode [ 23.066803][ T39] br1: port 4(w3) entered blocking state [ 23.067040][ T39] br1: port 4(w3) entered forwarding state [ 23.842089][ T447] br1: entered promiscuous mode [ 23.844914][ T447] br1: left promiscuous mode [ 23.857273][ T447] br1: entered promiscuous mode [ 24.775393][ C1] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 24.777058][ C1] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 24.777991][ C1] IPv6: vlan10-v: IPv6 duplicate address fe80::200:5eff:fe00:101 used by 00:00:5e:00:01:01 detected! [ 25.222954][ C2] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) [ 25.350010][ C1] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) [ 25.350942][ C1] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) [ 25.725842][ C1] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) [ 29.638465][ C2] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) [ 38.342272][ C3] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) [ 49.204969][ T671] GACT probability NOT on [ 54.140253][ T66] w3: left allmulticast mode [ 54.140731][ T66] w3: left promiscuous mode [ 54.141283][ T66] br1: port 4(w3) entered disabled state [ 54.143845][ T66] w1: left allmulticast mode [ 54.144035][ T66] w1: left promiscuous mode [ 54.144464][ T66] br1: port 3(w1) entered disabled state [ 54.146373][ T66] vx20: left allmulticast mode [ 54.146636][ T66] vx20: left promiscuous mode [ 54.147022][ T66] br1: port 2(vx20) entered disabled state [ 54.148795][ T66] vx10: left allmulticast mode [ 54.149012][ T66] vx10: left promiscuous mode [ 54.149308][ T66] br1: port 1(vx10) entered disabled state [ 54.166751][ T66] [ 54.166862][ T66] ============================================ [ 54.167049][ T66] WARNING: possible recursive locking detected [ 54.167229][ T66] 6.13.0-rc5-virtme #1 Not tainted [ 54.167380][ T66] -------------------------------------------- [ 54.167554][ T66] kworker/u16:1/66 is trying to acquire lock: [ 54.167724][ T66] ffffffff8d7d6630 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90 [ 54.168039][ T66] [ 54.168039][ T66] but task is already holding lock: [ 54.168251][ T66] ffffffff8d7d6630 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90 [ 54.168561][ T66] [ 54.168561][ T66] other info that might help us debug this: [ 54.168781][ T66] Possible unsafe locking scenario: [ 54.168781][ T66] [ 54.168995][ T66] CPU0 [ 54.169103][ T66] ---- [ 54.169210][ T66] lock((netdev_chain).rwsem); [ 54.169350][ T66] lock((netdev_chain).rwsem); [ 54.169489][ T66] [ 54.169489][ T66] *** DEADLOCK *** [ 54.169489][ T66] [ 54.169702][ T66] May be due to missing lock nesting notation [ 54.169702][ T66] [ 54.169912][ T66] 5 locks held by kworker/u16:1/66: [ 54.170053][ T66] #0: ffff8880010ad948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x7ec/0x16d0 [ 54.170360][ T66] #1: ffffc90000477da0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0xe0b/0x16d0 [ 54.170615][ T66] #2: ffffffff8d7cc090 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0xbc/0xa50 [ 54.170892][ T66] #3: ffffffff8d7e7a48 (rtnl_mutex){+.+.}-{4:4}, at: cleanup_net+0x45e/0xa50 [ 54.171150][ T66] #4: ffffffff8d7d6630 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90 [ 54.171448][ T66] [ 54.171448][ T66] stack backtrace: [ 54.171630][ T66] CPU: 3 UID: 0 PID: 66 Comm: kworker/u16:1 Not tainted 6.13.0-rc5-virtme #1 [ 54.171885][ T66] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 54.172068][ T66] Workqueue: netns cleanup_net [ 54.172219][ T66] Call Trace: [ 54.172337][ T66] [ 54.172413][ T66] dump_stack_lvl+0x82/0xd0 [ 54.172570][ T66] print_deadlock_bug+0x40a/0x650 [ 54.172724][ T66] validate_chain+0x5bf/0xae0 [ 54.172865][ T66] ? __pfx_validate_chain+0x10/0x10 [ 54.173012][ T66] ? hlock_class+0x4e/0x130 [ 54.173155][ T66] ? mark_lock+0x38/0x3e0 [ 54.173270][ T66] __lock_acquire+0xb9a/0x1680 [ 54.173418][ T66] ? spin_bug+0x1b1/0x1d0 [ 54.173531][ T66] ? debug_object_assert_init+0x2a9/0x370 [ 54.173676][ T66] lock_acquire.part.0+0xeb/0x330 [ 54.173825][ T66] ? blocking_notifier_call_chain+0x50/0x90 [ 54.173999][ T66] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 54.174142][ T66] ? trace_lock_acquire+0x14c/0x1f0 [ 54.174279][ T66] ? lock_acquire+0x32/0xc0 [ 54.174418][ T66] ? blocking_notifier_call_chain+0x50/0x90 [ 54.174592][ T66] down_read+0x9f/0x340 [ 54.174699][ T66] ? blocking_notifier_call_chain+0x50/0x90 [ 54.174952][ T66] ? __pfx_down_read+0x10/0x10 [ 54.175092][ T66] blocking_notifier_call_chain+0x50/0x90 [ 54.175234][ T66] __dev_close_many+0xdf/0x2d0 [ 54.175377][ T66] ? __pfx___dev_close_many+0x10/0x10 [ 54.175673][ T66] dev_close_many+0x202/0x650 [ 54.175812][ T66] ? __lock_release+0x103/0x460 [ 54.175948][ T66] ? __pfx_dev_close_many+0x10/0x10 [ 54.176085][ T66] ? __pfx___lock_release+0x10/0x10 [ 54.176224][ T66] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 54.176373][ T66] vlan_device_event+0x143b/0x2130 [8021q] [ 54.176549][ T66] ? net_generic+0xbb/0x1f0 [vxlan] [ 54.176702][ T66] ? __pfx_vlan_device_event+0x10/0x10 [8021q] [ 54.176954][ T66] ? __pfx_vxlan_netdevice_event+0x10/0x10 [vxlan] [ 54.177144][ T66] ? packet_notifier+0x3b0/0x810 [ 54.177286][ T66] notifier_call_chain+0xcd/0x150 [ 54.177435][ T66] blocking_notifier_call_chain+0x66/0x90 [ 54.177575][ T66] dev_close_many+0x2d8/0x650 [ 54.177713][ T66] ? __lock_release+0x103/0x460 [ 54.177852][ T66] ? __virt_addr_valid+0x22b/0x430 [ 54.178077][ T66] ? __pfx_dev_close_many+0x10/0x10 [ 54.178222][ T66] unregister_netdevice_many_notify+0x8e5/0x1580 [ 54.178399][ T66] ? mark_held_locks+0x9e/0xe0 [ 54.178620][ T66] ? __pfx_unregister_netdevice_many_notify+0x10/0x10 [ 54.178803][ T66] ? mutex_is_locked+0x1c/0x60 [ 54.178953][ T66] ? rtnl_is_locked+0x15/0x20 [ 54.179096][ T66] ? __pfx_unregister_netdevice_queue+0x10/0x10 [ 54.179272][ T66] ? mutex_is_locked+0x1c/0x60 [ 54.179491][ T66] ? nexthop_net_exit_batch_rtnl+0x83/0x210 [ 54.179747][ T66] cleanup_net+0x4cf/0xa50 [ 54.179890][ T66] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 54.180106][ T66] ? __pfx_cleanup_net+0x10/0x10 [ 54.180244][ T66] ? trace_lock_acquire+0x14c/0x1f0 [ 54.180387][ T66] ? lock_acquire+0x32/0xc0 [ 54.180526][ T66] ? process_one_work+0xe0b/0x16d0 [ 54.180824][ T66] process_one_work+0xe55/0x16d0 [ 54.180965][ T66] ? __pfx___lock_release+0x10/0x10 [ 54.181110][ T66] ? __pfx_process_one_work+0x10/0x10 [ 54.181251][ T66] ? assign_work+0x16c/0x240 [ 54.181398][ T66] worker_thread+0x58c/0xce0 [ 54.181537][ T66] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 54.181789][ T66] ? __pfx_worker_thread+0x10/0x10 [ 54.181930][ T66] ? __pfx_worker_thread+0x10/0x10 [ 54.182147][ T66] kthread+0x28a/0x350 [ 54.182260][ T66] ? __pfx_kthread+0x10/0x10 [ 54.182409][ T66] ret_from_fork+0x31/0x70 [ 54.182553][ T66] ? __pfx_kthread+0x10/0x10 [ 54.182771][ T66] ret_from_fork_asm+0x1a/0x30 [ 54.182917][ T66] [ 55.782154][ T804] br1: left promiscuous mode [ 56.228899][ T811] br1: port 4(veth2) entered disabled state [ 56.277403][ T812] veth2: left allmulticast mode [ 56.277605][ T812] veth2: left promiscuous mode [ 56.277869][ T812] br1: port 4(veth2) entered disabled state [ 56.390308][ T814] br1: port 3(veth1) entered disabled state [ 56.443907][ T815] veth1: left allmulticast mode [ 56.444109][ T815] veth1: left promiscuous mode [ 56.444392][ T815] br1: port 3(veth1) entered disabled state [ 56.558353][ T817] vx20: left allmulticast mode [ 56.558559][ T817] vx20: left promiscuous mode [ 56.558843][ T817] br1: port 2(vx20) entered disabled state [ 56.814466][ T821] vx10: left allmulticast mode [ 56.814696][ T821] vx10: left promiscuous mode [ 56.814978][ T821] br1: port 1(vx10) entered disabled state