[ 81.217075][ T1046] 8021q: 802.1Q VLAN Support v1.8
[ 83.125259][ T1072] br1: port 1(veth1) entered blocking state
[ 83.125560][ T1072] br1: port 1(veth1) entered disabled state
[ 83.125831][ T1072] veth1: entered allmulticast mode
[ 83.127899][ T1072] veth1: entered promiscuous mode
[ 83.219768][ T55] br1: port 1(veth1) entered blocking state
[ 83.220223][ T55] br1: port 1(veth1) entered forwarding state
[ 100.834252][ T1211] br1: port 1(veth1) entered disabled state
[ 100.915460][ T1212] veth1: left allmulticast mode
[ 100.916080][ T1212] veth1: left promiscuous mode
[ 100.916443][ T1212] br1: port 1(veth1) entered disabled state
[ 102.103463][ T1225]
[ 102.103598][ T1225] ============================================
[ 102.103794][ T1225] WARNING: possible recursive locking detected
[ 102.103982][ T1225] 6.13.0-rc5-virtme #1 Not tainted
[ 102.104129][ T1225] --------------------------------------------
[ 102.104312][ T1225] ip/1225 is trying to acquire lock:
[ 102.104455][ T1225] ffffffffaf3d6630 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90
[ 102.104769][ T1225]
[ 102.104769][ T1225] but task is already holding lock:
[ 102.104983][ T1225] ffffffffaf3d6630 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90
[ 102.105286][ T1225]
[ 102.105286][ T1225] other info that might help us debug this:
[ 102.105502][ T1225] Possible unsafe locking scenario:
[ 102.105502][ T1225]
[ 102.105723][ T1225] CPU0
[ 102.105843][ T1225] ----
[ 102.105953][ T1225] lock((netdev_chain).rwsem);
[ 102.106118][ T1225] lock((netdev_chain).rwsem);
[ 102.106270][ T1225]
[ 102.106270][ T1225] *** DEADLOCK ***
[ 102.106270][ T1225]
[ 102.106481][ T1225] May be due to missing lock nesting notation
[ 102.106481][ T1225]
[ 102.106695][ T1225] 2 locks held by ip/1225:
[ 102.106842][ T1225] #0: ffffffffaf3e7a48 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_dellink+0x228/0xa40
[ 102.107121][ T1225] #1: ffffffffaf3d6630 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90
[ 102.107419][ T1225]
[ 102.107419][ T1225] stack backtrace:
[ 102.107600][ T1225] CPU: 3 UID: 0 PID: 1225 Comm: ip Not tainted 6.13.0-rc5-virtme #1
[ 102.107825][ T1225] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 102.108023][ T1225] Call Trace:
[ 102.108135][ T1225] <TASK>
[ 102.108212][ T1225] dump_stack_lvl+0x82/0xd0
[ 102.108366][ T1225] print_deadlock_bug+0x40a/0x650
[ 102.108516][ T1225] validate_chain+0x5bf/0xae0
[ 102.108665][ T1225] ? __pfx_validate_chain+0x10/0x10
[ 102.108813][ T1225] ? hlock_class+0x4e/0x130
[ 102.108958][ T1225] ? mark_lock+0x38/0x3e0
[ 102.109075][ T1225] __lock_acquire+0xb9a/0x1680
[ 102.109225][ T1225] lock_acquire.part.0+0xeb/0x330
[ 102.109371][ T1225] ? blocking_notifier_call_chain+0x50/0x90
[ 102.109555][ T1225] ? netconsole_process_cleanups_core+0x2e/0x3d0
[ 102.109741][ T1225] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 102.109887][ T1225] ? trace_lock_acquire+0x14c/0x1f0
[ 102.110036][ T1225] ? lock_acquire+0x32/0xc0
[ 102.110188][ T1225] ? blocking_notifier_call_chain+0x50/0x90
[ 102.110371][ T1225] down_read+0x9f/0x340
[ 102.110483][ T1225] ? blocking_notifier_call_chain+0x50/0x90
[ 102.110666][ T1225] ? __pfx_down_read+0x10/0x10
[ 102.110813][ T1225] ? __lock_release+0x103/0x460
[ 102.110958][ T1225] ? netconsole_netdev_event+0x2c1/0x620
[ 102.111107][ T1225] ? __pfx___lock_release+0x10/0x10
[ 102.111259][ T1225] blocking_notifier_call_chain+0x50/0x90
[ 102.111410][ T1225] __netdev_upper_dev_unlink+0xd9/0x220
[ 102.111558][ T1225] ? __pfx___netdev_upper_dev_unlink+0x10/0x10
[ 102.111740][ T1225] ? __mutex_unlock_slowpath+0x14a/0x3d0
[ 102.111888][ T1225] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 102.112070][ T1225] ? rtnl_is_locked+0x15/0x20
[ 102.112220][ T1225] netdev_upper_dev_unlink+0x71/0xa0
[ 102.112369][ T1225] ? __pfx_netdev_upper_dev_unlink+0x10/0x10
[ 102.112550][ T1225] ? netconsole_netdev_event+0x2c1/0x620
[ 102.112698][ T1225] ? mutex_is_locked+0x1c/0x60
[ 102.112845][ T1225] ? rtnl_is_locked+0x15/0x20
[ 102.112990][ T1225] ? netdev_master_upper_dev_get+0x13/0x120
[ 102.113173][ T1225] vrf_device_event+0x78/0xe0 [vrf]
[ 102.113325][ T1225] notifier_call_chain+0xcd/0x150
[ 102.113481][ T1225] blocking_notifier_call_chain+0x66/0x90
[ 102.113629][ T1225] unregister_netdevice_many_notify+0xa7b/0x1580
[ 102.113813][ T1225] ? __lock_release+0x103/0x460
[ 102.113959][ T1225] ? __pfx___lock_release+0x10/0x10
[ 102.114106][ T1225] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 102.114289][ T1225] ? hlock_class+0x4e/0x130
[ 102.114445][ T1225] ? mark_held_locks+0x9e/0xe0
[ 102.114590][ T1225] ? __pfx_vlan_info_rcu_free+0x10/0x10
[ 102.114741][ T1225] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 102.114927][ T1225] rtnl_dellink+0x348/0xa40
[ 102.115075][ T1225] ? __pfx_rtnl_dellink+0x10/0x10
[ 102.115239][ T1225] ? find_held_lock+0x2c/0x110
[ 102.115392][ T1225] ? __lock_release+0x103/0x460
[ 102.115539][ T1225] ? rtnetlink_rcv_msg+0x6ef/0xc10
[ 102.115692][ T1225] ? __pfx___lock_release+0x10/0x10
[ 102.115839][ T1225] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 102.115987][ T1225] ? rtnetlink_rcv_msg+0x6ef/0xc10
[ 102.116175][ T1225] ? __pfx_rtnl_dellink+0x10/0x10
[ 102.116329][ T1225] rtnetlink_rcv_msg+0x712/0xc10
[ 102.116474][ T1225] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 102.116624][ T1225] ? hlock_class+0x4e/0x130
[ 102.116778][ T1225] ? mark_lock+0x38/0x3e0
[ 102.116893][ T1225] ? __lock_acquire+0xb9a/0x1680
[ 102.117042][ T1225] netlink_rcv_skb+0x130/0x360
[ 102.117195][ T1225] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 102.117343][ T1225] ? __pfx_netlink_rcv_skb+0x10/0x10
[ 102.117495][ T1225] ? netlink_deliver_tap+0x13e/0x340
[ 102.117644][ T1225] ? netlink_deliver_tap+0xc3/0x340
[ 102.117797][ T1225] netlink_unicast+0x44b/0x710
[ 102.117946][ T1225] ? __pfx_netlink_unicast+0x10/0x10
[ 102.118096][ T1225] ? find_held_lock+0x2c/0x110
[ 102.118250][ T1225] netlink_sendmsg+0x723/0xbe0
[ 102.118402][ T1225] ? __pfx_netlink_sendmsg+0x10/0x10
[ 102.118553][ T1225] ____sys_sendmsg+0x7ac/0xa10
[ 102.118704][ T1225] ? __pfx_____sys_sendmsg+0x10/0x10
[ 102.118854][ T1225] ? __pfx_copy_msghdr_from_user+0x10/0x10
[ 102.119044][ T1225] ___sys_sendmsg+0xee/0x170
[ 102.119195][ T1225] ? __pfx____sys_sendmsg+0x10/0x10
[ 102.119345][ T1225] ? kasan_save_stack+0x34/0x50
[ 102.119500][ T1225] ? kasan_save_stack+0x24/0x50
[ 102.119649][ T1225] ? __kasan_record_aux_stack+0x8e/0xa0
[ 102.119800][ T1225] ? __call_rcu_common.constprop.0+0xa1/0x4b0
[ 102.119990][ T1225] ? __x64_sys_close+0x7c/0xd0
[ 102.120140][ T1225] ? do_syscall_64+0xc1/0x1d0
[ 102.120291][ T1225] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 102.120479][ T1225] ? __lock_acquire+0xb9a/0x1680
[ 102.120629][ T1225] ? find_held_lock+0x2c/0x110
[ 102.120783][ T1225] ? __lock_release+0x103/0x460
[ 102.120934][ T1225] ? __virt_addr_valid+0x22b/0x430
[ 102.121084][ T1225] ? __pfx___lock_release+0x10/0x10
[ 102.121232][ T1225] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 102.121383][ T1225] __sys_sendmsg+0x109/0x1a0
[ 102.121536][ T1225] ? __pfx___sys_sendmsg+0x10/0x10
[ 102.121682][ T1225] ? __pfx_slab_free_after_rcu_debug+0x10/0x10
[ 102.121878][ T1225] do_syscall_64+0xc1/0x1d0
[ 102.122025][ T1225] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 102.122214][ T1225] RIP: 0033:0x7f29eaacf9a7
[ 102.122377][ T1225] Code: 0a 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
[ 102.122893][ T1225] RSP: 002b:00007ffdcfde5c58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 102.123129][ T1225] RAX: ffffffffffffffda RBX: 00007ffdcfde6380 RCX: 00007f29eaacf9a7
[ 102.123362][ T1225] RDX: 0000000000000000 RSI: 00007ffdcfde5cc0 RDI: 0000000000000005
[ 102.123588][ T1225] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[ 102.123809][ T1225] R10: 00007f29ea98def8 R11: 0000000000000246 R12: 0000000000000002
[ 102.124032][ T1225] R13: 0000000067790138 R14: 0000000000498600 R15: 0000000000000000
[ 102.124263][ T1225] </TASK>