[ 11.180075][ T249] ip (249) used greatest stack depth: 23312 bytes left [ 16.161281][ T328] br1: port 1(vx10) entered blocking state [ 16.161960][ T328] br1: port 1(vx10) entered disabled state [ 16.162398][ T328] vx10: entered allmulticast mode [ 16.166660][ T328] vx10: entered promiscuous mode [ 16.168248][ T328] br1: port 1(vx10) entered blocking state [ 16.168843][ T328] br1: port 1(vx10) entered forwarding state [ 16.522644][ T333] br1: port 2(vx20) entered blocking state [ 16.523089][ T333] br1: port 2(vx20) entered disabled state [ 16.523504][ T333] vx20: entered allmulticast mode [ 16.526011][ T333] vx20: entered promiscuous mode [ 16.526821][ T333] br1: port 2(vx20) entered blocking state [ 16.527107][ T333] br1: port 2(vx20) entered forwarding state [ 16.713903][ T335] br1: port 3(veth1) entered blocking state [ 16.714480][ T335] br1: port 3(veth1) entered disabled state [ 16.714767][ T335] veth1: entered allmulticast mode [ 16.716705][ T335] veth1: entered promiscuous mode [ 16.806957][ T40] br1: port 3(veth1) entered blocking state [ 16.807650][ T40] br1: port 3(veth1) entered forwarding state [ 17.002029][ T338] br1: port 4(veth2) entered blocking state [ 17.002343][ T338] br1: port 4(veth2) entered disabled state [ 17.002640][ T338] veth2: entered allmulticast mode [ 17.016186][ T338] veth2: entered promiscuous mode [ 17.102101][ T40] br1: port 4(veth2) entered blocking state [ 17.102377][ T40] br1: port 4(veth2) entered forwarding state [ 17.484716][ T344] br1: port 5(vx4001) entered blocking state [ 17.485259][ T344] br1: port 5(vx4001) entered disabled state [ 17.485550][ T344] vx4001: entered allmulticast mode [ 17.487500][ T344] vx4001: entered promiscuous mode [ 17.488068][ T344] br1: port 5(vx4001) entered blocking state [ 17.488359][ T344] br1: port 5(vx4001) entered forwarding state [ 18.211815][ T353] 8021q: 802.1Q VLAN Support v1.8 [ 18.503136][ T356] br1: entered promiscuous mode [ 18.509450][ T356] br1: left promiscuous mode [ 18.522726][ T356] br1: entered promiscuous mode [ 24.355625][ T437] br1: port 1(vx10) entered blocking state [ 24.356032][ T437] br1: port 1(vx10) entered disabled state [ 24.356318][ T437] vx10: entered allmulticast mode [ 24.358383][ T437] vx10: entered promiscuous mode [ 24.359231][ T437] br1: port 1(vx10) entered blocking state [ 24.359496][ T437] br1: port 1(vx10) entered forwarding state [ 24.681162][ T441] br1: port 2(vx20) entered blocking state [ 24.681485][ T441] br1: port 2(vx20) entered disabled state [ 24.681775][ T441] vx20: entered allmulticast mode [ 24.683740][ T441] vx20: entered promiscuous mode [ 24.684286][ T441] br1: port 2(vx20) entered blocking state [ 24.684543][ T441] br1: port 2(vx20) entered forwarding state [ 25.047159][ T445] br1: port 3(vx4001) entered blocking state [ 25.047588][ T445] br1: port 3(vx4001) entered disabled state [ 25.048022][ T445] vx4001: entered allmulticast mode [ 25.052470][ T445] vx4001: entered promiscuous mode [ 25.053302][ T445] br1: port 3(vx4001) entered blocking state [ 25.053698][ T445] br1: port 3(vx4001) entered forwarding state [ 25.257642][ T447] br1: port 4(w1) entered blocking state [ 25.257999][ T447] br1: port 4(w1) entered disabled state [ 25.258327][ T447] w1: entered allmulticast mode [ 25.260562][ T447] w1: entered promiscuous mode [ 25.379836][ T37] br1: port 4(w1) entered blocking state [ 25.380104][ T37] br1: port 4(w1) entered forwarding state [ 25.543536][ T450] br1: port 5(w3) entered blocking state [ 25.543801][ T450] br1: port 5(w3) entered disabled state [ 25.544068][ T450] w3: entered allmulticast mode [ 25.545978][ T450] w3: entered promiscuous mode [ 25.628253][ T39] br1: port 5(w3) entered blocking state [ 25.628611][ T39] br1: port 5(w3) entered forwarding state [ 26.422496][ T460] br1: entered promiscuous mode [ 26.424819][ T460] br1: left promiscuous mode [ 26.442941][ T460] br1: entered promiscuous mode [ 27.184291][ C1] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) [ 27.187551][ C1] IPv6: vlan20-v: IPv6 duplicate address fe80::200:5eff:fe00:101 used by 00:00:5e:00:01:01 detected! [ 27.343472][ C3] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 27.344953][ C3] IPv6: vlan10-v: IPv6 duplicate address fe80::200:5eff:fe00:101 used by 00:00:5e:00:01:01 detected! [ 44.939056][ T11] w3: left allmulticast mode [ 44.939355][ T11] w3: left promiscuous mode [ 44.939701][ T11] br1: port 5(w3) entered disabled state [ 44.942027][ T11] w1: left allmulticast mode [ 44.942220][ T11] w1: left promiscuous mode [ 44.942549][ T11] br1: port 4(w1) entered disabled state [ 44.944127][ T11] vx4001: left allmulticast mode [ 44.944311][ T11] vx4001: left promiscuous mode [ 44.944684][ T11] br1: port 3(vx4001) entered disabled state [ 44.946243][ T11] vx20: left allmulticast mode [ 44.946420][ T11] vx20: left promiscuous mode [ 44.946707][ T11] br1: port 2(vx20) entered disabled state [ 44.949189][ T11] vx10: left allmulticast mode [ 44.949369][ T11] vx10: left promiscuous mode [ 44.949738][ T11] br1: port 1(vx10) entered disabled state [ 44.976292][ T11] [ 44.976409][ T11] ============================================ [ 44.976591][ T11] WARNING: possible recursive locking detected [ 44.976776][ T11] 6.13.0-rc5-virtme #1 Not tainted [ 44.976927][ T11] -------------------------------------------- [ 44.977106][ T11] kworker/u16:0/11 is trying to acquire lock: [ 44.977275][ T11] ffffffffae7d6630 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90 [ 44.977562][ T11] [ 44.977562][ T11] but task is already holding lock: [ 44.977768][ T11] ffffffffae7d6630 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90 [ 44.978047][ T11] [ 44.978047][ T11] other info that might help us debug this: [ 44.978251][ T11] Possible unsafe locking scenario: [ 44.978251][ T11] [ 44.978455][ T11] CPU0 [ 44.978578][ T11] ---- [ 44.978683][ T11] lock((netdev_chain).rwsem); [ 44.978830][ T11] lock((netdev_chain).rwsem); [ 44.978968][ T11] [ 44.978968][ T11] *** DEADLOCK *** [ 44.978968][ T11] [ 44.979186][ T11] May be due to missing lock nesting notation [ 44.979186][ T11] [ 44.979400][ T11] 5 locks held by kworker/u16:0/11: [ 44.979543][ T11] #0: ffff8880010ad948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x7ec/0x16d0 [ 44.979849][ T11] #1: ffffc900000b7da0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0xe0b/0x16d0 [ 44.980110][ T11] #2: ffffffffae7cc090 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0xbc/0xa50 [ 44.980359][ T11] #3: ffffffffae7e7a48 (rtnl_mutex){+.+.}-{4:4}, at: cleanup_net+0x45e/0xa50 [ 44.980607][ T11] #4: ffffffffae7d6630 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90 [ 44.980897][ T11] [ 44.980897][ T11] stack backtrace: [ 44.981086][ T11] CPU: 3 UID: 0 PID: 11 Comm: kworker/u16:0 Not tainted 6.13.0-rc5-virtme #1 [ 44.981360][ T11] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 44.981559][ T11] Workqueue: netns cleanup_net [ 44.981731][ T11] Call Trace: [ 44.981854][ T11] [ 44.981947][ T11] dump_stack_lvl+0x82/0xd0 [ 44.982105][ T11] print_deadlock_bug+0x40a/0x650 [ 44.982270][ T11] validate_chain+0x5bf/0xae0 [ 44.982428][ T11] ? __pfx_validate_chain+0x10/0x10 [ 44.982585][ T11] ? hlock_class+0x4e/0x130 [ 44.982747][ T11] ? mark_lock+0x38/0x3e0 [ 44.982867][ T11] __lock_acquire+0xb9a/0x1680 [ 44.983024][ T11] ? spin_bug+0x1b1/0x1d0 [ 44.983151][ T11] ? debug_object_assert_init+0x2a9/0x370 [ 44.983312][ T11] lock_acquire.part.0+0xeb/0x330 [ 44.983472][ T11] ? blocking_notifier_call_chain+0x50/0x90 [ 44.983668][ T11] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 44.983822][ T11] ? trace_lock_acquire+0x14c/0x1f0 [ 44.983977][ T11] ? lock_acquire+0x32/0xc0 [ 44.984132][ T11] ? blocking_notifier_call_chain+0x50/0x90 [ 44.984334][ T11] down_read+0x9f/0x340 [ 44.984461][ T11] ? blocking_notifier_call_chain+0x50/0x90 [ 44.984652][ T11] ? __pfx_down_read+0x10/0x10 [ 44.984810][ T11] blocking_notifier_call_chain+0x50/0x90 [ 44.984967][ T11] __dev_close_many+0xdf/0x2d0 [ 44.985122][ T11] ? __pfx___dev_close_many+0x10/0x10 [ 44.985287][ T11] dev_close_many+0x202/0x650 [ 44.985452][ T11] ? __lock_release+0x103/0x460 [ 44.985610][ T11] ? __pfx_dev_close_many+0x10/0x10 [ 44.985758][ T11] ? __pfx___lock_release+0x10/0x10 [ 44.985911][ T11] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 44.986074][ T11] vlan_device_event+0x143b/0x2130 [8021q] [ 44.986271][ T11] ? net_generic+0xbb/0x1f0 [vxlan] [ 44.986443][ T11] ? __pfx_vlan_device_event+0x10/0x10 [8021q] [ 44.986635][ T11] ? __pfx_vxlan_netdevice_event+0x10/0x10 [vxlan] [ 44.986854][ T11] ? packet_notifier+0x3b0/0x810 [ 44.987027][ T11] notifier_call_chain+0xcd/0x150 [ 44.987193][ T11] blocking_notifier_call_chain+0x66/0x90 [ 44.987352][ T11] dev_close_many+0x2d8/0x650 [ 44.987507][ T11] ? __lock_release+0x103/0x460 [ 44.987695][ T11] ? __virt_addr_valid+0x22b/0x430 [ 44.987860][ T11] ? __pfx_dev_close_many+0x10/0x10 [ 44.988021][ T11] unregister_netdevice_many_notify+0x8e5/0x1580 [ 44.988219][ T11] ? mark_held_locks+0x9e/0xe0 [ 44.988378][ T11] ? __pfx_unregister_netdevice_many_notify+0x10/0x10 [ 44.988568][ T11] ? mutex_is_locked+0x1c/0x60 [ 44.988723][ T11] ? rtnl_is_locked+0x15/0x20 [ 44.988887][ T11] ? __pfx_unregister_netdevice_queue+0x10/0x10 [ 44.989088][ T11] ? mutex_is_locked+0x1c/0x60 [ 44.989240][ T11] ? nexthop_net_exit_batch_rtnl+0x83/0x210 [ 44.989437][ T11] cleanup_net+0x4cf/0xa50 [ 44.989591][ T11] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 44.989747][ T11] ? __pfx_cleanup_net+0x10/0x10 [ 44.989914][ T11] ? trace_lock_acquire+0x14c/0x1f0 [ 44.990080][ T11] ? lock_acquire+0x32/0xc0 [ 44.990241][ T11] ? process_one_work+0xe0b/0x16d0 [ 44.990489][ T11] process_one_work+0xe55/0x16d0 [ 44.990648][ T11] ? __pfx___lock_release+0x10/0x10 [ 44.990837][ T11] ? __pfx_process_one_work+0x10/0x10 [ 44.990995][ T11] ? assign_work+0x16c/0x240 [ 44.991151][ T11] worker_thread+0x58c/0xce0 [ 44.991301][ T11] ? __pfx_worker_thread+0x10/0x10 [ 44.991444][ T11] kthread+0x28a/0x350 [ 44.991549][ T11] ? __pfx_kthread+0x10/0x10 [ 44.991780][ T11] ret_from_fork+0x31/0x70 [ 44.991925][ T11] ? __pfx_kthread+0x10/0x10 [ 44.992075][ T11] ret_from_fork_asm+0x1a/0x30 [ 44.992223][ T11] [ 46.966544][ T649] br1: left promiscuous mode [ 47.467656][ T655] br1: port 4(veth2) entered disabled state [ 47.518329][ T656] veth2: left allmulticast mode [ 47.518545][ T656] veth2: left promiscuous mode [ 47.518819][ T656] br1: port 4(veth2) entered disabled state [ 47.619862][ T658] br1: port 3(veth1) entered disabled state [ 47.685005][ T659] veth1: left allmulticast mode [ 47.685192][ T659] veth1: left promiscuous mode [ 47.685467][ T659] br1: port 3(veth1) entered disabled state [ 47.801244][ T661] vx4001: left allmulticast mode [ 47.801436][ T661] vx4001: left promiscuous mode [ 47.801692][ T661] br1: port 5(vx4001) entered disabled state [ 48.086021][ T665] vx20: left allmulticast mode [ 48.086212][ T665] vx20: left promiscuous mode [ 48.086502][ T665] br1: port 2(vx20) entered disabled state [ 48.345266][ T669] vx10: left allmulticast mode [ 48.345460][ T669] vx10: left promiscuous mode [ 48.345714][ T669] br1: port 1(vx10) entered disabled state