[ 11.833931][ T280] eth0: renamed from r1h1 [ 12.032635][ T282] eth1: renamed from r1h2 [ 17.638400][ T11] [ 17.638514][ T11] ============================================ [ 17.638699][ T11] WARNING: possible recursive locking detected [ 17.638874][ T11] 6.13.0-rc5-virtme #1 Not tainted [ 17.639012][ T11] -------------------------------------------- [ 17.639191][ T11] kworker/u16:0/11 is trying to acquire lock: [ 17.639366][ T11] ffffffff8f7f6a70 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90 [ 17.639659][ T11] [ 17.639659][ T11] but task is already holding lock: [ 17.639867][ T11] ffffffff8f7f6a70 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90 [ 17.640155][ T11] [ 17.640155][ T11] other info that might help us debug this: [ 17.640366][ T11] Possible unsafe locking scenario: [ 17.640366][ T11] [ 17.640577][ T11] CPU0 [ 17.640683][ T11] ---- [ 17.640789][ T11] lock((netdev_chain).rwsem); [ 17.640933][ T11] lock((netdev_chain).rwsem); [ 17.641072][ T11] [ 17.641072][ T11] *** DEADLOCK *** [ 17.641072][ T11] [ 17.641285][ T11] May be due to missing lock nesting notation [ 17.641285][ T11] [ 17.641498][ T11] 5 locks held by kworker/u16:0/11: [ 17.641639][ T11] #0: ffff8880010b5948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x7ec/0x16d0 [ 17.641939][ T11] #1: ffffc900000b7da0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0xe0b/0x16d0 [ 17.642195][ T11] #2: ffffffff8f7ec4d0 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0xbc/0xba0 [ 17.642450][ T11] #3: ffffffff8f807e88 (rtnl_mutex){+.+.}-{4:4}, at: default_device_exit_batch+0x81/0x2e0 [ 17.642735][ T11] #4: ffffffff8f7f6a70 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90 [ 17.643009][ T11] [ 17.643009][ T11] stack backtrace: [ 17.643180][ T11] CPU: 2 UID: 0 PID: 11 Comm: kworker/u16:0 Not tainted 6.13.0-rc5-virtme #1 [ 17.643419][ T11] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.643589][ T11] Workqueue: netns cleanup_net [ 17.643745][ T11] Call Trace: [ 17.643856][ T11] [ 17.643932][ T11] dump_stack_lvl+0x82/0xd0 [ 17.644084][ T11] print_deadlock_bug+0x40a/0x650 [ 17.644233][ T11] validate_chain+0x5bf/0xae0 [ 17.644381][ T11] ? __pfx_validate_chain+0x10/0x10 [ 17.644531][ T11] ? hlock_class+0x4e/0x130 [ 17.644668][ T11] ? mark_lock+0x38/0x3e0 [ 17.644779][ T11] __lock_acquire+0xb9a/0x1680 [ 17.644926][ T11] lock_acquire.part.0+0xeb/0x330 [ 17.645068][ T11] ? blocking_notifier_call_chain+0x50/0x90 [ 17.645244][ T11] ? __lock_acquire+0xb9a/0x1680 [ 17.645388][ T11] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 17.645536][ T11] ? trace_lock_acquire+0x14c/0x1f0 [ 17.645672][ T11] ? lock_acquire+0x32/0xc0 [ 17.645807][ T11] ? blocking_notifier_call_chain+0x50/0x90 [ 17.645995][ T11] down_read+0x9f/0x340 [ 17.646103][ T11] ? blocking_notifier_call_chain+0x50/0x90 [ 17.646283][ T11] ? __pfx_down_read+0x10/0x10 [ 17.646429][ T11] ? __lock_release+0x103/0x460 [ 17.646580][ T11] blocking_notifier_call_chain+0x50/0x90 [ 17.646721][ T11] __netdev_upper_dev_unlink+0xd9/0x220 [ 17.646860][ T11] ? mark_held_locks+0x9e/0xe0 [ 17.647005][ T11] ? __pfx___netdev_upper_dev_unlink+0x10/0x10 [ 17.647178][ T11] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 17.647353][ T11] ? __try_to_del_timer_sync+0xe7/0x140 [ 17.647496][ T11] ? __pfx___try_to_del_timer_sync+0x10/0x10 [ 17.647683][ T11] ? mark_held_locks+0x9e/0xe0 [ 17.647826][ T11] netdev_upper_dev_unlink+0x71/0xa0 [ 17.647971][ T11] ? __pfx_netdev_upper_dev_unlink+0x10/0x10 [ 17.648152][ T11] ? mutex_is_locked+0x1c/0x60 [ 17.648300][ T11] ? rtnl_is_locked+0x15/0x20 [ 17.648443][ T11] ? netdev_master_upper_dev_get+0x13/0x120 [ 17.648619][ T11] vrf_device_event+0x78/0xe0 [ 17.648768][ T11] notifier_call_chain+0xcd/0x150 [ 17.648918][ T11] blocking_notifier_call_chain+0x66/0x90 [ 17.649059][ T11] unregister_netdevice_many_notify+0xa83/0x1580 [ 17.649236][ T11] ? __pfx_unregister_netdevice_many_notify+0x10/0x10 [ 17.649425][ T11] ? default_device_exit_batch+0x81/0x2e0 [ 17.649564][ T11] ? rtnl_is_locked+0x15/0x20 [ 17.649708][ T11] ? unregister_netdevice_queue+0x70/0x410 [ 17.649885][ T11] ? __pfx_unregister_netdevice_queue+0x10/0x10 [ 17.650060][ T11] ? __pfx_unregister_netdevice_queue+0x10/0x10 [ 17.650238][ T11] default_device_exit_batch+0x241/0x2e0 [ 17.650376][ T11] ? __pfx_default_device_exit_batch+0x10/0x10 [ 17.650555][ T11] ? ops_exit_list+0xb4/0x170 [ 17.650701][ T11] cleanup_net+0x4ef/0xba0 [ 17.650847][ T11] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 17.650987][ T11] ? __pfx_cleanup_net+0x10/0x10 [ 17.651128][ T11] ? trace_lock_acquire+0x14c/0x1f0 [ 17.651268][ T11] ? lock_acquire+0x32/0xc0 [ 17.651407][ T11] ? process_one_work+0xe0b/0x16d0 [ 17.651547][ T11] process_one_work+0xe55/0x16d0 [ 17.651688][ T11] ? __pfx___lock_release+0x10/0x10 [ 17.651829][ T11] ? __pfx_process_one_work+0x10/0x10 [ 17.651972][ T11] ? assign_work+0x16c/0x240 [ 17.652112][ T11] worker_thread+0x58c/0xce0 [ 17.652251][ T11] ? __pfx_worker_thread+0x10/0x10 [ 17.652386][ T11] kthread+0x28a/0x350 [ 17.652491][ T11] ? __pfx_kthread+0x10/0x10 [ 17.652629][ T11] ret_from_fork+0x31/0x70 [ 17.652772][ T11] ? __pfx_kthread+0x10/0x10 [ 17.652910][ T11] ret_from_fork_asm+0x1a/0x30 [ 17.653054][ T11] [ 19.837197][ T377] eth0: renamed from r1h1 [ 19.984210][ T379] eth1: renamed from r1h2 [ 26.764211][ T473] eth0: renamed from r1h1 [ 26.896202][ T475] eth1: renamed from r1h2 [ 33.678134][ T568] eth0: renamed from r1h1 [ 33.821068][ T570] eth1: renamed from r1h2 [ 40.675239][ T662] eth0: renamed from r1h1 [ 40.810162][ T664] eth1: renamed from r1h2 [ 48.551961][ T759] eth0: renamed from r1h1 [ 48.699415][ T761] eth1: renamed from r1h2 [ 56.811953][ T863] eth0: renamed from r1h1 [ 56.956222][ T865] eth0: renamed from r2h1 [ 57.110295][ T867] eth1: renamed from r1h2 [ 57.268763][ T869] eth1: renamed from r2h2 [ 57.550676][ T874] br0: port 1(eth0) entered blocking state [ 57.550963][ T874] br0: port 1(eth0) entered disabled state [ 57.551299][ T874] eth0: entered allmulticast mode [ 57.552237][ T874] eth0: entered promiscuous mode [ 57.553843][ T37] br0: port 1(eth0) entered blocking state [ 57.554055][ T37] br0: port 1(eth0) entered forwarding state [ 57.606677][ T875] br0: port 2(eth1) entered blocking state [ 57.606949][ T875] br0: port 2(eth1) entered disabled state [ 57.607154][ T875] eth1: entered allmulticast mode [ 57.608255][ T875] eth1: entered promiscuous mode [ 57.610171][ T40] br0: port 2(eth1) entered blocking state [ 57.610365][ T40] br0: port 2(eth1) entered forwarding state [ 58.009128][ T882] br0: port 1(eth0) entered blocking state [ 58.009429][ T882] br0: port 1(eth0) entered disabled state [ 58.009626][ T882] eth0: entered allmulticast mode [ 58.010554][ T882] eth0: entered promiscuous mode [ 58.068758][ T883] br0: port 2(eth1) entered blocking state [ 58.069084][ T883] br0: port 2(eth1) entered disabled state [ 58.069287][ T883] eth1: entered allmulticast mode [ 58.070255][ T883] eth1: entered promiscuous mode [ 58.071519][ T39] br0: port 2(eth1) entered blocking state [ 58.071730][ T39] br0: port 2(eth1) entered forwarding state [ 58.763437][ T40] br0: port 1(eth0) entered blocking state [ 58.763671][ T40] br0: port 1(eth0) entered forwarding state [ 62.272060][ T11] eth1: left allmulticast mode [ 62.272252][ T11] eth1: left promiscuous mode [ 62.272525][ T11] br0: port 2(eth1) entered disabled state [ 62.273749][ T11] eth0: left allmulticast mode [ 62.273918][ T11] eth0: left promiscuous mode [ 62.274179][ T11] br0: port 1(eth0) entered disabled state [ 62.549042][ T11] eth1: left allmulticast mode [ 62.549257][ T11] eth1: left promiscuous mode [ 62.549528][ T11] br0: port 2(eth1) entered disabled state [ 62.550645][ T11] eth0: left allmulticast mode [ 62.550812][ T11] eth0: left promiscuous mode [ 62.551107][ T11] br0: port 1(eth0) entered disabled state [ 65.597863][ T987] eth0: renamed from r1h1 [ 65.751937][ T989] eth0: renamed from r2h1 [ 65.881073][ T991] eth1: renamed from r1h2 [ 66.039195][ T993] eth1: renamed from r2h2 [ 66.333062][ T998] br0: port 1(eth0) entered blocking state [ 66.333340][ T998] br0: port 1(eth0) entered disabled state [ 66.333524][ T998] eth0: entered allmulticast mode [ 66.334476][ T998] eth0: entered promiscuous mode [ 66.342257][ T55] br0: port 1(eth0) entered blocking state [ 66.342436][ T55] br0: port 1(eth0) entered forwarding state [ 66.394848][ T999] br0: port 2(eth1) entered blocking state [ 66.395505][ T999] br0: port 2(eth1) entered disabled state [ 66.395708][ T999] eth1: entered allmulticast mode [ 66.396610][ T999] eth1: entered promiscuous mode [ 66.397937][ T39] br0: port 2(eth1) entered blocking state [ 66.398163][ T39] br0: port 2(eth1) entered forwarding state [ 66.800632][ T1006] br0: port 1(eth0) entered blocking state [ 66.800936][ T1006] br0: port 1(eth0) entered disabled state [ 66.801149][ T1006] eth0: entered allmulticast mode [ 66.802085][ T1006] eth0: entered promiscuous mode [ 66.861837][ T1007] br0: port 2(eth1) entered blocking state [ 66.862747][ T1007] br0: port 2(eth1) entered disabled state [ 66.862950][ T1007] eth1: entered allmulticast mode [ 66.863944][ T1007] eth1: entered promiscuous mode [ 66.865074][ T37] br0: port 2(eth1) entered blocking state [ 66.865292][ T37] br0: port 2(eth1) entered forwarding state [ 67.594215][ T55] br0: port 1(eth0) entered blocking state [ 67.594422][ T55] br0: port 1(eth0) entered forwarding state [ 71.049957][ T11] eth1: left allmulticast mode [ 71.050141][ T11] eth1: left promiscuous mode [ 71.050430][ T11] br0: port 2(eth1) entered disabled state [ 71.051792][ T11] eth0: left allmulticast mode [ 71.051939][ T11] eth0: left promiscuous mode [ 71.052384][ T11] br0: port 1(eth0) entered disabled state [ 71.327690][ T11] eth1: left allmulticast mode [ 71.327874][ T11] eth1: left promiscuous mode [ 71.328148][ T11] br0: port 2(eth1) entered disabled state [ 71.329340][ T11] eth0: left allmulticast mode [ 71.329497][ T11] eth0: left promiscuous mode [ 71.329744][ T11] br0: port 1(eth0) entered disabled state [ 73.903199][ T1100] eth0: renamed from r1h1 [ 74.100473][ T1102] eth1: renamed from r1h2 [ 81.581950][ T1201] eth0: renamed from r1h1 [ 81.746183][ T1203] eth1: renamed from r1h2 [ 89.134080][ T1302] eth0: renamed from r1h1 [ 89.292271][ T1304] eth1: renamed from r1h2 [ 97.003082][ T1400] eth0: renamed from r1h1 [ 97.165938][ T1402] eth1: renamed from r1h2 [ 105.237084][ T1502] eth0: renamed from r1h1 [ 105.392253][ T1504] eth1: renamed from r1h2 [ 114.207965][ T1615] eth0: renamed from r1h1 [ 114.351966][ T1617] eth0: renamed from r2h1 [ 114.502135][ T1619] eth1: renamed from r1h2 [ 114.664055][ T1621] eth1: renamed from r2h2 [ 114.961532][ T1626] br0: port 1(eth0) entered blocking state [ 114.961781][ T1626] br0: port 1(eth0) entered disabled state [ 114.961990][ T1626] eth0: entered allmulticast mode [ 114.962954][ T1626] eth0: entered promiscuous mode [ 114.964532][ T661] br0: port 1(eth0) entered blocking state [ 114.964745][ T661] br0: port 1(eth0) entered forwarding state [ 115.036398][ T1627] br0: port 2(eth1) entered blocking state [ 115.036684][ T1627] br0: port 2(eth1) entered disabled state [ 115.036915][ T1627] eth1: entered allmulticast mode [ 115.037875][ T1627] eth1: entered promiscuous mode [ 115.039564][ T376] br0: port 2(eth1) entered blocking state [ 115.039783][ T376] br0: port 2(eth1) entered forwarding state [ 115.445581][ T1634] br0: port 1(eth0) entered blocking state [ 115.445799][ T1634] br0: port 1(eth0) entered disabled state [ 115.445998][ T1634] eth0: entered allmulticast mode [ 115.446950][ T1634] eth0: entered promiscuous mode [ 115.497846][ T1635] br0: port 2(eth1) entered blocking state [ 115.498116][ T1635] br0: port 2(eth1) entered disabled state [ 115.498333][ T1635] eth1: entered allmulticast mode [ 115.499261][ T1635] eth1: entered promiscuous mode [ 115.505941][ T376] br0: port 2(eth1) entered blocking state [ 115.506156][ T376] br0: port 2(eth1) entered forwarding state [ 116.170481][ T37] br0: port 1(eth0) entered blocking state [ 116.170735][ T37] br0: port 1(eth0) entered forwarding state [ 119.737568][ T11] eth1: left allmulticast mode [ 119.737744][ T11] eth1: left promiscuous mode [ 119.738020][ T11] br0: port 2(eth1) entered disabled state [ 119.740452][ T11] eth0: left allmulticast mode [ 119.740613][ T11] eth0: left promiscuous mode [ 119.740858][ T11] br0: port 1(eth0) entered disabled state [ 120.026949][ T11] eth1: left allmulticast mode [ 120.027166][ T11] eth1: left promiscuous mode [ 120.027439][ T11] br0: port 2(eth1) entered disabled state [ 120.034483][ T11] eth0: left allmulticast mode [ 120.034643][ T11] eth0: left promiscuous mode [ 120.034885][ T11] br0: port 1(eth0) entered disabled state [ 122.832942][ T1739] eth0: renamed from r1h1 [ 122.975922][ T1741] eth0: renamed from r2h1 [ 123.128471][ T1743] eth1: renamed from r1h2 [ 123.277313][ T1745] eth1: renamed from r2h2 [ 123.574504][ T1750] br0: port 1(eth0) entered blocking state [ 123.574785][ T1750] br0: port 1(eth0) entered disabled state [ 123.574974][ T1750] eth0: entered allmulticast mode [ 123.576704][ T1750] eth0: entered promiscuous mode [ 123.578302][ T661] br0: port 1(eth0) entered blocking state [ 123.578525][ T661] br0: port 1(eth0) entered forwarding state [ 123.627239][ T1751] br0: port 2(eth1) entered blocking state [ 123.627461][ T1751] br0: port 2(eth1) entered disabled state [ 123.627660][ T1751] eth1: entered allmulticast mode [ 123.628597][ T1751] eth1: entered promiscuous mode [ 123.630171][ T37] br0: port 2(eth1) entered blocking state [ 123.630363][ T37] br0: port 2(eth1) entered forwarding state [ 124.032974][ T1758] br0: port 1(eth0) entered blocking state [ 124.033271][ T1758] br0: port 1(eth0) entered disabled state [ 124.033472][ T1758] eth0: entered allmulticast mode [ 124.034366][ T1758] eth0: entered promiscuous mode [ 124.081539][ T1759] br0: port 2(eth1) entered blocking state [ 124.081825][ T1759] br0: port 2(eth1) entered disabled state [ 124.082015][ T1759] eth1: entered allmulticast mode [ 124.083762][ T1759] eth1: entered promiscuous mode [ 124.090785][ T661] br0: port 2(eth1) entered blocking state [ 124.090992][ T661] br0: port 2(eth1) entered forwarding state [ 124.809511][ T37] br0: port 1(eth0) entered blocking state [ 124.809755][ T37] br0: port 1(eth0) entered forwarding state [ 128.288874][ T11] eth1: left allmulticast mode [ 128.289078][ T11] eth1: left promiscuous mode [ 128.289380][ T11] br0: port 2(eth1) entered disabled state [ 128.290535][ T11] eth0: left allmulticast mode [ 128.290678][ T11] eth0: left promiscuous mode [ 128.290912][ T11] br0: port 1(eth0) entered disabled state [ 128.579366][ T11] eth1: left allmulticast mode [ 128.579551][ T11] eth1: left promiscuous mode [ 128.579805][ T11] br0: port 2(eth1) entered disabled state [ 128.580823][ T11] eth0: left allmulticast mode [ 128.580970][ T11] eth0: left promiscuous mode [ 128.581242][ T11] br0: port 1(eth0) entered disabled state