[ 77.631999][ T781] br1: port 1(vx10) entered blocking state [ 77.632855][ T781] br1: port 1(vx10) entered disabled state [ 77.633173][ T781] vx10: entered allmulticast mode [ 77.635416][ T781] vx10: entered promiscuous mode [ 77.636523][ T781] br1: port 1(vx10) entered blocking state [ 77.636928][ T781] br1: port 1(vx10) entered forwarding state [ 77.992801][ T786] br1: port 2(vx20) entered blocking state [ 77.993113][ T786] br1: port 2(vx20) entered disabled state [ 77.993428][ T786] vx20: entered allmulticast mode [ 77.995372][ T786] vx20: entered promiscuous mode [ 77.996335][ T786] br1: port 2(vx20) entered blocking state [ 77.996619][ T786] br1: port 2(vx20) entered forwarding state [ 78.151742][ T788] br1: port 3(veth1) entered blocking state [ 78.152029][ T788] br1: port 3(veth1) entered disabled state [ 78.152332][ T788] veth1: entered allmulticast mode [ 78.154337][ T788] veth1: entered promiscuous mode [ 78.236012][ T202] br1: port 3(veth1) entered blocking state [ 78.236615][ T202] br1: port 3(veth1) entered forwarding state [ 78.415653][ T791] br1: port 4(veth2) entered blocking state [ 78.416015][ T791] br1: port 4(veth2) entered disabled state [ 78.416323][ T791] veth2: entered allmulticast mode [ 78.418585][ T791] veth2: entered promiscuous mode [ 78.504688][ T125] br1: port 4(veth2) entered blocking state [ 78.505013][ T125] br1: port 4(veth2) entered forwarding state [ 79.237139][ T801] 8021q: 802.1Q VLAN Support v1.8 [ 79.504998][ T804] br1: entered promiscuous mode [ 79.515760][ T804] br1: left promiscuous mode [ 79.523646][ T804] br1: entered promiscuous mode [ 85.188770][ T889] br1: port 1(vx10) entered blocking state [ 85.189141][ T889] br1: port 1(vx10) entered disabled state [ 85.189960][ T889] vx10: entered allmulticast mode [ 85.191952][ T889] vx10: entered promiscuous mode [ 85.192847][ T889] br1: port 1(vx10) entered blocking state [ 85.193114][ T889] br1: port 1(vx10) entered forwarding state [ 85.573683][ T893] br1: port 2(vx20) entered blocking state [ 85.574049][ T893] br1: port 2(vx20) entered disabled state [ 85.574629][ T893] vx20: entered allmulticast mode [ 85.576625][ T893] vx20: entered promiscuous mode [ 85.577149][ T893] br1: port 2(vx20) entered blocking state [ 85.577421][ T893] br1: port 2(vx20) entered forwarding state [ 85.740723][ T895] br1: port 3(w1) entered blocking state [ 85.740976][ T895] br1: port 3(w1) entered disabled state [ 85.741933][ T895] w1: entered allmulticast mode [ 85.743850][ T895] w1: entered promiscuous mode [ 85.831235][ T202] br1: port 3(w1) entered blocking state [ 85.831672][ T202] br1: port 3(w1) entered forwarding state [ 85.997593][ T898] br1: port 4(w3) entered blocking state [ 85.997850][ T898] br1: port 4(w3) entered disabled state [ 85.998097][ T898] w3: entered allmulticast mode [ 86.001343][ T898] w3: entered promiscuous mode [ 86.080090][ T202] br1: port 4(w3) entered blocking state [ 86.080413][ T202] br1: port 4(w3) entered forwarding state [ 86.871582][ T908] br1: entered promiscuous mode [ 86.874381][ T908] br1: left promiscuous mode [ 86.897160][ T908] br1: entered promiscuous mode [ 87.601981][ C0] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) [ 87.697975][ C1] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 87.769718][ C2] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) [ 87.771955][ C2] IPv6: vlan20-v: IPv6 duplicate address fe80::200:5eff:fe00:101 used by 00:00:5e:00:01:01 detected! [ 88.148161][ C0] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 88.149649][ C0] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 89.170864][ C1] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 92.178071][ C2] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 100.305944][ C2] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 112.658396][ T1133] GACT probability NOT on [ 116.690709][ C0] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 118.224370][ T65] w3: left allmulticast mode [ 118.224725][ T65] w3: left promiscuous mode [ 118.225104][ T65] br1: port 4(w3) entered disabled state [ 118.229278][ T65] w1: left allmulticast mode [ 118.229533][ T65] w1: left promiscuous mode [ 118.229895][ T65] br1: port 3(w1) entered disabled state [ 118.231951][ T65] vx20: left allmulticast mode [ 118.232180][ T65] vx20: left promiscuous mode [ 118.232630][ T65] br1: port 2(vx20) entered disabled state [ 118.234806][ T65] vx10: left allmulticast mode [ 118.235030][ T65] vx10: left promiscuous mode [ 118.235370][ T65] br1: port 1(vx10) entered disabled state [ 118.256836][ T65] [ 118.256966][ T65] ============================================ [ 118.257175][ T65] WARNING: possible recursive locking detected [ 118.257373][ T65] 6.13.0-rc5-virtme #1 Not tainted [ 118.257547][ T65] -------------------------------------------- [ 118.257744][ T65] kworker/u16:1/65 is trying to acquire lock: [ 118.257939][ T65] ffffffffa57d6630 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90 [ 118.258277][ T65] [ 118.258277][ T65] but task is already holding lock: [ 118.258514][ T65] ffffffffa57d6630 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90 [ 118.258867][ T65] [ 118.258867][ T65] other info that might help us debug this: [ 118.259118][ T65] Possible unsafe locking scenario: [ 118.259118][ T65] [ 118.259356][ T65] CPU0 [ 118.259482][ T65] ---- [ 118.259601][ T65] lock((netdev_chain).rwsem); [ 118.259764][ T65] lock((netdev_chain).rwsem); [ 118.259923][ T65] [ 118.259923][ T65] *** DEADLOCK *** [ 118.259923][ T65] [ 118.260156][ T65] May be due to missing lock nesting notation [ 118.260156][ T65] [ 118.260390][ T65] 5 locks held by kworker/u16:1/65: [ 118.260549][ T65] #0: ffff8880010ad948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x7ec/0x16d0 [ 118.260877][ T65] #1: ffffc90000467da0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0xe0b/0x16d0 [ 118.261168][ T65] #2: ffffffffa57cc090 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0xbc/0xa50 [ 118.261455][ T65] #3: ffffffffa57e7a48 (rtnl_mutex){+.+.}-{4:4}, at: cleanup_net+0x45e/0xa50 [ 118.261753][ T65] #4: ffffffffa57d6630 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90 [ 118.262089][ T65] [ 118.262089][ T65] stack backtrace: [ 118.262291][ T65] CPU: 0 UID: 0 PID: 65 Comm: kworker/u16:1 Not tainted 6.13.0-rc5-virtme #1 [ 118.262581][ T65] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 118.262791][ T65] Workqueue: netns cleanup_net [ 118.262965][ T65] Call Trace: [ 118.263092][ T65] [ 118.263181][ T65] dump_stack_lvl+0x82/0xd0 [ 118.263360][ T65] print_deadlock_bug+0x40a/0x650 [ 118.263533][ T65] validate_chain+0x5bf/0xae0 [ 118.263703][ T65] ? __pfx_validate_chain+0x10/0x10 [ 118.263880][ T65] ? hlock_class+0x4e/0x130 [ 118.264063][ T65] ? mark_lock+0x38/0x3e0 [ 118.264192][ T65] __lock_acquire+0xb9a/0x1680 [ 118.264358][ T65] ? spin_bug+0x1b1/0x1d0 [ 118.264483][ T65] ? debug_object_assert_init+0x2a9/0x370 [ 118.264648][ T65] lock_acquire.part.0+0xeb/0x330 [ 118.264812][ T65] ? blocking_notifier_call_chain+0x50/0x90 [ 118.265027][ T65] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 118.265197][ T65] ? trace_lock_acquire+0x14c/0x1f0 [ 118.265370][ T65] ? lock_acquire+0x32/0xc0 [ 118.265543][ T65] ? blocking_notifier_call_chain+0x50/0x90 [ 118.265758][ T65] down_read+0x9f/0x340 [ 118.265885][ T65] ? blocking_notifier_call_chain+0x50/0x90 [ 118.266093][ T65] ? __pfx_down_read+0x10/0x10 [ 118.266259][ T65] blocking_notifier_call_chain+0x50/0x90 [ 118.266429][ T65] __dev_close_many+0xdf/0x2d0 [ 118.266589][ T65] ? __pfx___dev_close_many+0x10/0x10 [ 118.266761][ T65] dev_close_many+0x202/0x650 [ 118.266932][ T65] ? __lock_release+0x103/0x460 [ 118.267106][ T65] ? __pfx_dev_close_many+0x10/0x10 [ 118.267262][ T65] ? __pfx___lock_release+0x10/0x10 [ 118.267424][ T65] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 118.267594][ T65] vlan_device_event+0x143b/0x2130 [8021q] [ 118.267797][ T65] ? net_generic+0xbb/0x1f0 [vxlan] [ 118.267976][ T65] ? __pfx_vlan_device_event+0x10/0x10 [8021q] [ 118.268187][ T65] ? __pfx_vxlan_netdevice_event+0x10/0x10 [vxlan] [ 118.268409][ T65] ? packet_notifier+0x3b0/0x810 [ 118.268582][ T65] notifier_call_chain+0xcd/0x150 [ 118.268758][ T65] blocking_notifier_call_chain+0x66/0x90 [ 118.268936][ T65] dev_close_many+0x2d8/0x650 [ 118.269098][ T65] ? __lock_release+0x103/0x460 [ 118.269263][ T65] ? __virt_addr_valid+0x22b/0x430 [ 118.269438][ T65] ? __pfx_dev_close_many+0x10/0x10 [ 118.269607][ T65] unregister_netdevice_many_notify+0x8e5/0x1580 [ 118.269806][ T65] ? mark_held_locks+0x9e/0xe0 [ 118.269979][ T65] ? __pfx_unregister_netdevice_many_notify+0x10/0x10 [ 118.270186][ T65] ? mutex_is_locked+0x1c/0x60 [ 118.270357][ T65] ? rtnl_is_locked+0x15/0x20 [ 118.270521][ T65] ? __pfx_unregister_netdevice_queue+0x10/0x10 [ 118.270727][ T65] ? mutex_is_locked+0x1c/0x60 [ 118.270894][ T65] ? nexthop_net_exit_batch_rtnl+0x83/0x210 [ 118.271103][ T65] cleanup_net+0x4cf/0xa50 [ 118.271272][ T65] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 118.271438][ T65] ? __pfx_cleanup_net+0x10/0x10 [ 118.271610][ T65] ? trace_lock_acquire+0x14c/0x1f0 [ 118.271856][ T65] ? lock_acquire+0x32/0xc0 [ 118.272020][ T65] ? process_one_work+0xe0b/0x16d0 [ 118.272185][ T65] process_one_work+0xe55/0x16d0 [ 118.272431][ T65] ? __pfx___lock_release+0x10/0x10 [ 118.272604][ T65] ? __pfx_process_one_work+0x10/0x10 [ 118.272783][ T65] ? assign_work+0x16c/0x240 [ 118.273025][ T65] worker_thread+0x58c/0xce0 [ 118.273191][ T65] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 118.273399][ T65] ? __pfx_worker_thread+0x10/0x10 [ 118.273561][ T65] ? __pfx_worker_thread+0x10/0x10 [ 118.273815][ T65] kthread+0x28a/0x350 [ 118.273947][ T65] ? __pfx_kthread+0x10/0x10 [ 118.274107][ T65] ret_from_fork+0x31/0x70 [ 118.274270][ T65] ? __pfx_kthread+0x10/0x10 [ 118.274436][ T65] ret_from_fork_asm+0x1a/0x30 [ 118.274607][ T65] [ 119.882742][ T1264] br1: left promiscuous mode [ 120.420106][ T1270] br1: port 4(veth2) entered disabled state [ 120.482940][ T1271] veth2: left allmulticast mode [ 120.483242][ T1271] veth2: left promiscuous mode [ 120.483645][ T1271] br1: port 4(veth2) entered disabled state [ 120.606266][ T1273] br1: port 3(veth1) entered disabled state [ 120.662694][ T1274] veth1: left allmulticast mode [ 120.662945][ T1274] veth1: left promiscuous mode [ 120.663250][ T1274] br1: port 3(veth1) entered disabled state [ 120.807039][ T1276] vx20: left allmulticast mode [ 120.807288][ T1276] vx20: left promiscuous mode [ 120.807570][ T1276] br1: port 2(vx20) entered disabled state [ 121.081335][ T1280] vx10: left allmulticast mode [ 121.081551][ T1280] vx10: left promiscuous mode [ 121.081820][ T1280] br1: port 1(vx10) entered disabled state