[ 10.806785][ T250] ip (250) used greatest stack depth: 23616 bytes left
[ 15.766667][ T328] br1: port 1(vx10) entered blocking state
[ 15.767133][ T328] br1: port 1(vx10) entered disabled state
[ 15.767904][ T328] vx10: entered allmulticast mode
[ 15.769908][ T328] vx10: entered promiscuous mode
[ 15.770877][ T328] br1: port 1(vx10) entered blocking state
[ 15.771213][ T328] br1: port 1(vx10) entered forwarding state
[ 16.166808][ T333] br1: port 2(vx20) entered blocking state
[ 16.167169][ T333] br1: port 2(vx20) entered disabled state
[ 16.167500][ T333] vx20: entered allmulticast mode
[ 16.169623][ T333] vx20: entered promiscuous mode
[ 16.170707][ T333] br1: port 2(vx20) entered blocking state
[ 16.171023][ T333] br1: port 2(vx20) entered forwarding state
[ 16.330091][ T335] br1: port 3(veth1) entered blocking state
[ 16.330769][ T335] br1: port 3(veth1) entered disabled state
[ 16.331072][ T335] veth1: entered allmulticast mode
[ 16.333101][ T335] veth1: entered promiscuous mode
[ 16.422016][ T70] br1: port 3(veth1) entered blocking state
[ 16.422450][ T70] br1: port 3(veth1) entered forwarding state
[ 16.602568][ T338] br1: port 4(veth2) entered blocking state
[ 16.603013][ T338] br1: port 4(veth2) entered disabled state
[ 16.603469][ T338] veth2: entered allmulticast mode
[ 16.607077][ T338] veth2: entered promiscuous mode
[ 16.689266][ T70] br1: port 4(veth2) entered blocking state
[ 16.689656][ T70] br1: port 4(veth2) entered forwarding state
[ 17.377253][ T348] 8021q: 802.1Q VLAN Support v1.8
[ 17.722758][ T351] br1: entered promiscuous mode
[ 17.727101][ T351] br1: left promiscuous mode
[ 17.736381][ T351] br1: entered promiscuous mode
[ 23.436414][ T423] br1: port 1(vx10) entered blocking state
[ 23.437730][ T423] br1: port 1(vx10) entered disabled state
[ 23.438080][ T423] vx10: entered allmulticast mode
[ 23.440089][ T423] vx10: entered promiscuous mode
[ 23.440989][ T423] br1: port 1(vx10) entered blocking state
[ 23.441261][ T423] br1: port 1(vx10) entered forwarding state
[ 23.823366][ T427] br1: port 2(vx20) entered blocking state
[ 23.823733][ T427] br1: port 2(vx20) entered disabled state
[ 23.824033][ T427] vx20: entered allmulticast mode
[ 23.826254][ T427] vx20: entered promiscuous mode
[ 23.826967][ T427] br1: port 2(vx20) entered blocking state
[ 23.827248][ T427] br1: port 2(vx20) entered forwarding state
[ 23.999408][ T429] br1: port 3(w1) entered blocking state
[ 23.999716][ T429] br1: port 3(w1) entered disabled state
[ 24.000046][ T429] w1: entered allmulticast mode
[ 24.002335][ T429] w1: entered promiscuous mode
[ 24.090278][ T37] br1: port 3(w1) entered blocking state
[ 24.090544][ T37] br1: port 3(w1) entered forwarding state
[ 24.245615][ T432] br1: port 4(w3) entered blocking state
[ 24.245918][ T432] br1: port 4(w3) entered disabled state
[ 24.246164][ T432] w3: entered allmulticast mode
[ 24.248109][ T432] w3: entered promiscuous mode
[ 24.334974][ T40] br1: port 4(w3) entered blocking state
[ 24.335621][ T40] br1: port 4(w3) entered forwarding state
[ 25.138168][ T442] br1: entered promiscuous mode
[ 25.141066][ T442] br1: left promiscuous mode
[ 25.154650][ T442] br1: entered promiscuous mode
[ 25.921111][ C1] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20)
[ 25.929847][ C1] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10)
[ 26.252322][ C2] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20)
[ 26.253460][ C2] IPv6: vlan20-v: IPv6 duplicate address 2001:db8:2::3 used by 00:00:5e:00:01:01 detected!
[ 26.441255][ C1] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10)
[ 26.442457][ C1] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10)
[ 26.569165][ C1] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20)
[ 26.570316][ C1] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20)
[ 26.570997][ C1] IPv6: vlan20-v: IPv6 duplicate address fe80::200:5eff:fe00:101 used by 00:00:5e:00:01:01 detected!
[ 26.786817][ C2] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10)
[ 50.201408][ T11] w3: left allmulticast mode
[ 50.201765][ T11] w3: left promiscuous mode
[ 50.202124][ T11] br1: port 4(w3) entered disabled state
[ 50.205811][ T11] w1: left allmulticast mode
[ 50.206024][ T11] w1: left promiscuous mode
[ 50.206323][ T11] br1: port 3(w1) entered disabled state
[ 50.208620][ T11] vx20: left allmulticast mode
[ 50.209449][ T11] vx20: left promiscuous mode
[ 50.209750][ T11] br1: port 2(vx20) entered disabled state
[ 50.213729][ T11] vx10: left allmulticast mode
[ 50.214023][ T11] vx10: left promiscuous mode
[ 50.214541][ T11] br1: port 1(vx10) entered disabled state
[ 50.237808][ T11]
[ 50.237960][ T11] ============================================
[ 50.238161][ T11] WARNING: possible recursive locking detected
[ 50.238359][ T11] 6.13.0-rc5-virtme #1 Not tainted
[ 50.238515][ T11] --------------------------------------------
[ 50.238693][ T11] kworker/u16:0/11 is trying to acquire lock:
[ 50.238868][ T11] ffffffffb9dd6630 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90
[ 50.239224][ T11]
[ 50.239224][ T11] but task is already holding lock:
[ 50.239470][ T11] ffffffffb9dd6630 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90
[ 50.239794][ T11]
[ 50.239794][ T11] other info that might help us debug this:
[ 50.240056][ T11] Possible unsafe locking scenario:
[ 50.240056][ T11]
[ 50.240298][ T11] CPU0
[ 50.240455][ T11] ----
[ 50.240561][ T11] lock((netdev_chain).rwsem);
[ 50.240733][ T11] lock((netdev_chain).rwsem);
[ 50.240874][ T11]
[ 50.240874][ T11] *** DEADLOCK ***
[ 50.240874][ T11]
[ 50.241111][ T11] May be due to missing lock nesting notation
[ 50.241111][ T11]
[ 50.241374][ T11] 5 locks held by kworker/u16:0/11:
[ 50.241514][ T11] #0: ffff8880010ad948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x7ec/0x16d0
[ 50.241902][ T11] #1: ffffc900000b7da0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0xe0b/0x16d0
[ 50.242206][ T11] #2: ffffffffb9dcc090 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0xbc/0xa50
[ 50.242532][ T11] #3: ffffffffb9de7a48 (rtnl_mutex){+.+.}-{4:4}, at: cleanup_net+0x45e/0xa50
[ 50.242821][ T11] #4: ffffffffb9dd6630 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90
[ 50.243147][ T11]
[ 50.243147][ T11] stack backtrace:
[ 50.243365][ T11] CPU: 2 UID: 0 PID: 11 Comm: kworker/u16:0 Not tainted 6.13.0-rc5-virtme #1
[ 50.243686][ T11] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 50.243870][ T11] Workqueue: netns cleanup_net
[ 50.244050][ T11] Call Trace:
[ 50.244169][ T11] <TASK>
[ 50.244285][ T11] dump_stack_lvl+0x82/0xd0
[ 50.244442][ T11] print_deadlock_bug+0x40a/0x650
[ 50.244639][ T11] validate_chain+0x5bf/0xae0
[ 50.244831][ T11] ? __pfx_validate_chain+0x10/0x10
[ 50.244978][ T11] ? hlock_class+0x4e/0x130
[ 50.245154][ T11] ? mark_lock+0x38/0x3e0
[ 50.245277][ T11] __lock_acquire+0xb9a/0x1680
[ 50.245462][ T11] ? spin_bug+0x1b1/0x1d0
[ 50.245574][ T11] ? debug_object_assert_init+0x2a9/0x370
[ 50.245756][ T11] lock_acquire.part.0+0xeb/0x330
[ 50.245901][ T11] ? blocking_notifier_call_chain+0x50/0x90
[ 50.246129][ T11] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 50.246300][ T11] ? trace_lock_acquire+0x14c/0x1f0
[ 50.246456][ T11] ? lock_acquire+0x32/0xc0
[ 50.246635][ T11] ? blocking_notifier_call_chain+0x50/0x90
[ 50.246817][ T11] down_read+0x9f/0x340
[ 50.246960][ T11] ? blocking_notifier_call_chain+0x50/0x90
[ 50.247165][ T11] ? __pfx_down_read+0x10/0x10
[ 50.247339][ T11] blocking_notifier_call_chain+0x50/0x90
[ 50.247519][ T11] __dev_close_many+0xdf/0x2d0
[ 50.247680][ T11] ? __pfx___dev_close_many+0x10/0x10
[ 50.247826][ T11] dev_close_many+0x202/0x650
[ 50.247976][ T11] ? __lock_release+0x103/0x460
[ 50.248123][ T11] ? __pfx_dev_close_many+0x10/0x10
[ 50.248272][ T11] ? __pfx___lock_release+0x10/0x10
[ 50.248433][ T11] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 50.248597][ T11] vlan_device_event+0x143b/0x2130 [8021q]
[ 50.248785][ T11] ? net_generic+0xbb/0x1f0 [vxlan]
[ 50.248946][ T11] ? __pfx_vlan_device_event+0x10/0x10 [8021q]
[ 50.249123][ T11] ? __pfx_vxlan_netdevice_event+0x10/0x10 [vxlan]
[ 50.249321][ T11] ? packet_notifier+0x3b0/0x810
[ 50.249472][ T11] notifier_call_chain+0xcd/0x150
[ 50.249615][ T11] blocking_notifier_call_chain+0x66/0x90
[ 50.249771][ T11] dev_close_many+0x2d8/0x650
[ 50.249919][ T11] ? __lock_release+0x103/0x460
[ 50.250057][ T11] ? __virt_addr_valid+0x22b/0x430
[ 50.250205][ T11] ? __pfx_dev_close_many+0x10/0x10
[ 50.250364][ T11] unregister_netdevice_many_notify+0x8e5/0x1580
[ 50.250552][ T11] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 50.250724][ T11] ? mark_held_locks+0x9e/0xe0
[ 50.250883][ T11] ? mutex_is_locked+0x1c/0x60
[ 50.251026][ T11] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 50.251211][ T11] cleanup_net+0x4cf/0xa50
[ 50.251373][ T11] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 50.251517][ T11] ? __pfx_cleanup_net+0x10/0x10
[ 50.251657][ T11] ? trace_lock_acquire+0x14c/0x1f0
[ 50.251795][ T11] ? lock_acquire+0x32/0xc0
[ 50.251951][ T11] ? process_one_work+0xe0b/0x16d0
[ 50.252094][ T11] process_one_work+0xe55/0x16d0
[ 50.252249][ T11] ? __pfx___lock_release+0x10/0x10
[ 50.252401][ T11] ? __pfx_process_one_work+0x10/0x10
[ 50.252545][ T11] ? assign_work+0x16c/0x240
[ 50.252695][ T11] worker_thread+0x58c/0xce0
[ 50.252841][ T11] ? __pfx_worker_thread+0x10/0x10
[ 50.252990][ T11] kthread+0x28a/0x350
[ 50.253104][ T11] ? __pfx_kthread+0x10/0x10
[ 50.253250][ T11] ret_from_fork+0x31/0x70
[ 50.253404][ T11] ? __pfx_kthread+0x10/0x10
[ 50.253559][ T11] ret_from_fork_asm+0x1a/0x30
[ 50.253708][ T11] </TASK>
[ 52.057686][ T665] br1: left promiscuous mode
[ 52.593690][ T671] br1: port 4(veth2) entered disabled state
[ 52.645900][ T672] veth2: left allmulticast mode
[ 52.646118][ T672] veth2: left promiscuous mode
[ 52.646402][ T672] br1: port 4(veth2) entered disabled state
[ 52.793404][ T674] br1: port 3(veth1) entered disabled state
[ 52.864407][ T675] veth1: left allmulticast mode
[ 52.864640][ T675] veth1: left promiscuous mode
[ 52.864935][ T675] br1: port 3(veth1) entered disabled state
[ 52.974145][ T677] vx20: left allmulticast mode
[ 52.974373][ T677] vx20: left promiscuous mode
[ 52.974663][ T677] br1: port 2(vx20) entered disabled state
[ 53.261284][ T681] vx10: left allmulticast mode
[ 53.261515][ T681] vx10: left promiscuous mode
[ 53.261829][ T681] br1: port 1(vx10) entered disabled state