[ 11.033610][ T259] ip (259) used greatest stack depth: 23488 bytes left
[ 12.548774][ T286] 8021q: 802.1Q VLAN Support v1.8
[ 14.600343][ T314] br1: port 1(veth1) entered blocking state
[ 14.600806][ T314] br1: port 1(veth1) entered disabled state
[ 14.601233][ T314] veth1: entered allmulticast mode
[ 14.603638][ T314] veth1: entered promiscuous mode
[ 14.670403][ T40] br1: port 1(veth1) entered blocking state
[ 14.670825][ T40] br1: port 1(veth1) entered forwarding state
[ 28.045985][ T413] br1: port 1(veth1) entered disabled state
[ 28.123448][ T414] veth1: left allmulticast mode
[ 28.123762][ T414] veth1: left promiscuous mode
[ 28.124148][ T414] br1: port 1(veth1) entered disabled state
[ 29.507680][ T431]
[ 29.507884][ T431] ============================================
[ 29.508084][ T431] WARNING: possible recursive locking detected
[ 29.508265][ T431] 6.13.0-rc5-virtme #1 Not tainted
[ 29.508412][ T431] --------------------------------------------
[ 29.508596][ T431] ip/431 is trying to acquire lock:
[ 29.508738][ T431] ffffffffb57d6630 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90
[ 29.509035][ T431]
[ 29.509035][ T431] but task is already holding lock:
[ 29.509244][ T431] ffffffffb57d6630 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90
[ 29.509533][ T431]
[ 29.509533][ T431] other info that might help us debug this:
[ 29.509755][ T431] Possible unsafe locking scenario:
[ 29.509755][ T431]
[ 29.509966][ T431] CPU0
[ 29.510074][ T431] ----
[ 29.510184][ T431] lock((netdev_chain).rwsem);
[ 29.510331][ T431] lock((netdev_chain).rwsem);
[ 29.510475][ T431]
[ 29.510475][ T431] *** DEADLOCK ***
[ 29.510475][ T431]
[ 29.510692][ T431] May be due to missing lock nesting notation
[ 29.510692][ T431]
[ 29.510902][ T431] 2 locks held by ip/431:
[ 29.511011][ T431] #0: ffffffffb57e7a48 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_dellink+0x228/0xa40
[ 29.511284][ T431] #1: ffffffffb57d6630 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90
[ 29.511576][ T431]
[ 29.511576][ T431] stack backtrace:
[ 29.511759][ T431] CPU: 3 UID: 0 PID: 431 Comm: ip Not tainted 6.13.0-rc5-virtme #1
[ 29.511985][ T431] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 29.512163][ T431] Call Trace:
[ 29.512271][ T431] <TASK>
[ 29.512346][ T431] dump_stack_lvl+0x82/0xd0
[ 29.512495][ T431] print_deadlock_bug+0x40a/0x650
[ 29.512643][ T431] validate_chain+0x5bf/0xae0
[ 29.512788][ T431] ? __pfx_validate_chain+0x10/0x10
[ 29.512939][ T431] ? hlock_class+0x4e/0x130
[ 29.513082][ T431] ? mark_lock+0x38/0x3e0
[ 29.513194][ T431] __lock_acquire+0xb9a/0x1680
[ 29.513342][ T431] lock_acquire.part.0+0xeb/0x330
[ 29.513486][ T431] ? blocking_notifier_call_chain+0x50/0x90
[ 29.513669][ T431] ? netconsole_process_cleanups_core+0x2e/0x3d0
[ 29.513852][ T431] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 29.514001][ T431] ? trace_lock_acquire+0x14c/0x1f0
[ 29.514147][ T431] ? lock_acquire+0x32/0xc0
[ 29.514297][ T431] ? blocking_notifier_call_chain+0x50/0x90
[ 29.514478][ T431] down_read+0x9f/0x340
[ 29.514588][ T431] ? blocking_notifier_call_chain+0x50/0x90
[ 29.514766][ T431] ? __pfx_down_read+0x10/0x10
[ 29.514911][ T431] ? __lock_release+0x103/0x460
[ 29.515058][ T431] ? netconsole_netdev_event+0x2c1/0x620
[ 29.515202][ T431] ? __pfx___lock_release+0x10/0x10
[ 29.515346][ T431] blocking_notifier_call_chain+0x50/0x90
[ 29.515495][ T431] __netdev_upper_dev_unlink+0xd9/0x220
[ 29.515641][ T431] ? __pfx___netdev_upper_dev_unlink+0x10/0x10
[ 29.515820][ T431] ? __mutex_unlock_slowpath+0x14a/0x3d0
[ 29.515969][ T431] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 29.516154][ T431] ? rtnl_is_locked+0x15/0x20
[ 29.516299][ T431] netdev_upper_dev_unlink+0x71/0xa0
[ 29.516442][ T431] ? __pfx_netdev_upper_dev_unlink+0x10/0x10
[ 29.516630][ T431] ? netconsole_netdev_event+0x2c1/0x620
[ 29.516775][ T431] ? mutex_is_locked+0x1c/0x60
[ 29.516919][ T431] ? rtnl_is_locked+0x15/0x20
[ 29.517063][ T431] ? netdev_master_upper_dev_get+0x13/0x120
[ 29.517249][ T431] vrf_device_event+0x78/0xe0 [vrf]
[ 29.517398][ T431] notifier_call_chain+0xcd/0x150
[ 29.517544][ T431] blocking_notifier_call_chain+0x66/0x90
[ 29.517688][ T431] unregister_netdevice_many_notify+0xa7b/0x1580
[ 29.517868][ T431] ? __lock_release+0x103/0x460
[ 29.518013][ T431] ? __pfx___lock_release+0x10/0x10
[ 29.518163][ T431] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 29.518343][ T431] ? hlock_class+0x4e/0x130
[ 29.518491][ T431] ? mark_held_locks+0x9e/0xe0
[ 29.518635][ T431] ? __pfx_vlan_info_rcu_free+0x10/0x10
[ 29.518781][ T431] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 29.518963][ T431] rtnl_dellink+0x348/0xa40
[ 29.519109][ T431] ? __pfx_rtnl_dellink+0x10/0x10
[ 29.519272][ T431] ? find_held_lock+0x2c/0x110
[ 29.519417][ T431] ? __lock_release+0x103/0x460
[ 29.519564][ T431] ? rtnetlink_rcv_msg+0x6ef/0xc10
[ 29.519708][ T431] ? __pfx___lock_release+0x10/0x10
[ 29.519852][ T431] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 29.520009][ T431] ? rtnetlink_rcv_msg+0x6ef/0xc10
[ 29.520153][ T431] ? __pfx_rtnl_dellink+0x10/0x10
[ 29.520304][ T431] rtnetlink_rcv_msg+0x712/0xc10
[ 29.520449][ T431] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 29.520594][ T431] ? hlock_class+0x4e/0x130
[ 29.520739][ T431] ? mark_lock+0x38/0x3e0
[ 29.520851][ T431] ? __lock_acquire+0xb9a/0x1680
[ 29.520996][ T431] netlink_rcv_skb+0x130/0x360
[ 29.521140][ T431] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 29.521286][ T431] ? __pfx_netlink_rcv_skb+0x10/0x10
[ 29.521439][ T431] ? netlink_deliver_tap+0x13e/0x340
[ 29.521588][ T431] ? netlink_deliver_tap+0xc3/0x340
[ 29.521731][ T431] netlink_unicast+0x44b/0x710
[ 29.521877][ T431] ? __pfx_netlink_unicast+0x10/0x10
[ 29.522020][ T431] ? find_held_lock+0x2c/0x110
[ 29.522166][ T431] netlink_sendmsg+0x723/0xbe0
[ 29.522309][ T431] ? __pfx_netlink_sendmsg+0x10/0x10
[ 29.522461][ T431] ____sys_sendmsg+0x7ac/0xa10
[ 29.522607][ T431] ? __pfx_____sys_sendmsg+0x10/0x10
[ 29.522751][ T431] ? __pfx_copy_msghdr_from_user+0x10/0x10
[ 29.522934][ T431] ___sys_sendmsg+0xee/0x170
[ 29.523081][ T431] ? __pfx____sys_sendmsg+0x10/0x10
[ 29.523226][ T431] ? kasan_save_stack+0x34/0x50
[ 29.523370][ T431] ? kasan_save_stack+0x24/0x50
[ 29.523518][ T431] ? __kasan_record_aux_stack+0x8e/0xa0
[ 29.523718][ T431] ? __call_rcu_common.constprop.0+0xa1/0x4b0
[ 29.523898][ T431] ? __x64_sys_close+0x7c/0xd0
[ 29.524046][ T431] ? do_syscall_64+0xc1/0x1d0
[ 29.524190][ T431] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 29.524373][ T431] ? __lock_acquire+0xb9a/0x1680
[ 29.524518][ T431] ? find_held_lock+0x2c/0x110
[ 29.524668][ T431] ? __lock_release+0x103/0x460
[ 29.524812][ T431] ? __virt_addr_valid+0x22b/0x430
[ 29.524958][ T431] ? __pfx___lock_release+0x10/0x10
[ 29.525100][ T431] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 29.525246][ T431] __sys_sendmsg+0x109/0x1a0
[ 29.525390][ T431] ? __pfx___sys_sendmsg+0x10/0x10
[ 29.525534][ T431] ? __pfx_slab_free_after_rcu_debug+0x10/0x10
[ 29.525723][ T431] do_syscall_64+0xc1/0x1d0
[ 29.525867][ T431] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 29.526048][ T431] RIP: 0033:0x7f1bc421a9a7
[ 29.526201][ T431] 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
[ 29.526728][ T431] RSP: 002b:00007ffce9801708 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 29.526946][ T431] RAX: ffffffffffffffda RBX: 00007ffce9801e30 RCX: 00007f1bc421a9a7
[ 29.527164][ T431] RDX: 0000000000000000 RSI: 00007ffce9801770 RDI: 0000000000000005
[ 29.527382][ T431] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[ 29.527598][ T431] R10: 00007f1bc40d8ef8 R11: 0000000000000246 R12: 0000000000000002
[ 29.527821][ T431] R13: 0000000067795826 R14: 0000000000498600 R15: 0000000000000000
[ 29.528048][ T431] </TASK>