[ 12.126670][ T280] ip (280) used greatest stack depth: 24400 bytes left
[ 12.305736][ T283] eth0: renamed from tmp
[ 13.586213][ T299] ip (299) used greatest stack depth: 23880 bytes left
[ 13.734925][ T301] Initializing XFRM netlink socket
[ 19.239049][ T377] IPsec XFRM device driver
[ 21.496141][ T404]
[ 21.496320][ T404] ============================================
[ 21.496502][ T404] WARNING: possible recursive locking detected
[ 21.496681][ T404] 6.13.0-rc5-virtme #1 Not tainted
[ 21.496826][ T404] --------------------------------------------
[ 21.497018][ T404] ip/404 is trying to acquire lock:
[ 21.497162][ T404] ffffffffae7f6a70 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90
[ 21.497461][ T404]
[ 21.497461][ T404] but task is already holding lock:
[ 21.497684][ T404] ffffffffae7f6a70 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90
[ 21.497981][ T404]
[ 21.497981][ T404] other info that might help us debug this:
[ 21.498196][ T404] Possible unsafe locking scenario:
[ 21.498196][ T404]
[ 21.498407][ T404] CPU0
[ 21.498526][ T404] ----
[ 21.498637][ T404] lock((netdev_chain).rwsem);
[ 21.498787][ T404] lock((netdev_chain).rwsem);
[ 21.498940][ T404]
[ 21.498940][ T404] *** DEADLOCK ***
[ 21.498940][ T404]
[ 21.499161][ T404] May be due to missing lock nesting notation
[ 21.499161][ T404]
[ 21.499374][ T404] 2 locks held by ip/404:
[ 21.499485][ T404] #0: ffffffffae807e88 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_dellink+0x228/0xa40
[ 21.499752][ T404] #1: ffffffffae7f6a70 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90
[ 21.500048][ T404]
[ 21.500048][ T404] stack backtrace:
[ 21.500224][ T404] CPU: 3 UID: 0 PID: 404 Comm: ip Not tainted 6.13.0-rc5-virtme #1
[ 21.500443][ T404] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.500628][ T404] Call Trace:
[ 21.500740][ T404] <TASK>
[ 21.500816][ T404] dump_stack_lvl+0x82/0xd0
[ 21.500969][ T404] print_deadlock_bug+0x40a/0x650
[ 21.501124][ T404] validate_chain+0x5bf/0xae0
[ 21.501272][ T404] ? __pfx_validate_chain+0x10/0x10
[ 21.501420][ T404] ? hlock_class+0x4e/0x130
[ 21.501569][ T404] ? mark_lock+0x38/0x3e0
[ 21.501684][ T404] __lock_acquire+0xb9a/0x1680
[ 21.501834][ T404] lock_acquire.part.0+0xeb/0x330
[ 21.501980][ T404] ? blocking_notifier_call_chain+0x50/0x90
[ 21.502162][ T404] ? __lock_acquire+0xb9a/0x1680
[ 21.502313][ T404] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 21.502461][ T404] ? trace_lock_acquire+0x14c/0x1f0
[ 21.502609][ T404] ? lock_acquire+0x32/0xc0
[ 21.502753][ T404] ? blocking_notifier_call_chain+0x50/0x90
[ 21.502939][ T404] down_read+0x9f/0x340
[ 21.503064][ T404] ? blocking_notifier_call_chain+0x50/0x90
[ 21.503248][ T404] ? __pfx_down_read+0x10/0x10
[ 21.503399][ T404] ? __lock_release+0x103/0x460
[ 21.503548][ T404] blocking_notifier_call_chain+0x50/0x90
[ 21.503694][ T404] __netdev_upper_dev_unlink+0xd9/0x220
[ 21.503840][ T404] ? mark_held_locks+0x9e/0xe0
[ 21.503991][ T404] ? __pfx___netdev_upper_dev_unlink+0x10/0x10
[ 21.504174][ T404] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 21.504366][ T404] ? __try_to_del_timer_sync+0xe7/0x140
[ 21.504519][ T404] ? __pfx___try_to_del_timer_sync+0x10/0x10
[ 21.504703][ T404] ? mark_held_locks+0x9e/0xe0
[ 21.504851][ T404] netdev_upper_dev_unlink+0x71/0xa0
[ 21.504999][ T404] ? __pfx_netdev_upper_dev_unlink+0x10/0x10
[ 21.505180][ T404] ? mutex_is_locked+0x1c/0x60
[ 21.505341][ T404] ? rtnl_is_locked+0x15/0x20
[ 21.505489][ T404] ? netdev_master_upper_dev_get+0x13/0x120
[ 21.505672][ T404] vrf_device_event+0x78/0xe0
[ 21.505822][ T404] notifier_call_chain+0xcd/0x150
[ 21.505975][ T404] blocking_notifier_call_chain+0x66/0x90
[ 21.506122][ T404] unregister_netdevice_many_notify+0xa83/0x1580
[ 21.506305][ T404] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 21.506485][ T404] ? rtnl_dellink+0x228/0xa40
[ 21.506634][ T404] ? sock_def_readable+0x11e/0x300
[ 21.506782][ T404] ? __pfx___mutex_lock+0x10/0x10
[ 21.506928][ T404] ? rtnl_is_locked+0x15/0x20
[ 21.507075][ T404] ? unregister_netdevice_queue+0x70/0x410
[ 21.507257][ T404] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 21.507439][ T404] ? __nla_validate_parse+0x48/0x3d0
[ 21.507590][ T404] rtnl_dellink+0x348/0xa40
[ 21.507741][ T404] ? __pfx_rtnl_dellink+0x10/0x10
[ 21.507902][ T404] ? find_held_lock+0x2c/0x110
[ 21.508048][ T404] ? __lock_release+0x103/0x460
[ 21.508195][ T404] ? rtnetlink_rcv_msg+0x6ef/0xc10
[ 21.508341][ T404] ? __pfx___lock_release+0x10/0x10
[ 21.508488][ T404] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 21.508636][ T404] ? rtnetlink_rcv_msg+0x6ef/0xc10
[ 21.508786][ T404] ? __pfx_rtnl_dellink+0x10/0x10
[ 21.508935][ T404] rtnetlink_rcv_msg+0x712/0xc10
[ 21.509094][ T404] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 21.509239][ T404] ? hlock_class+0x4e/0x130
[ 21.509386][ T404] ? mark_lock+0x38/0x3e0
[ 21.509500][ T404] ? __lock_acquire+0xb9a/0x1680
[ 21.509650][ T404] netlink_rcv_skb+0x130/0x360
[ 21.509800][ T404] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 21.509950][ T404] ? __pfx_netlink_rcv_skb+0x10/0x10
[ 21.510102][ T404] ? netlink_deliver_tap+0x13e/0x340
[ 21.510250][ T404] ? netlink_deliver_tap+0xc3/0x340
[ 21.510400][ T404] netlink_unicast+0x44b/0x710
[ 21.510546][ T404] ? __pfx_netlink_unicast+0x10/0x10
[ 21.510695][ T404] ? find_held_lock+0x2c/0x110
[ 21.510844][ T404] netlink_sendmsg+0x723/0xbe0
[ 21.510996][ T404] ? __pfx_netlink_sendmsg+0x10/0x10
[ 21.511149][ T404] ____sys_sendmsg+0x7ac/0xa10
[ 21.511300][ T404] ? __pfx_____sys_sendmsg+0x10/0x10
[ 21.511448][ T404] ? __pfx_copy_msghdr_from_user+0x10/0x10
[ 21.511633][ T404] ___sys_sendmsg+0xee/0x170
[ 21.511782][ T404] ? __pfx____sys_sendmsg+0x10/0x10
[ 21.511930][ T404] ? kasan_save_stack+0x34/0x50
[ 21.512077][ T404] ? kasan_save_stack+0x24/0x50
[ 21.512223][ T404] ? __kasan_record_aux_stack+0x8e/0xa0
[ 21.512369][ T404] ? __call_rcu_common.constprop.0+0xa1/0x4b0
[ 21.512554][ T404] ? __x64_sys_close+0x7c/0xd0
[ 21.512704][ T404] ? do_syscall_64+0xc1/0x1d0
[ 21.512852][ T404] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 21.513054][ T404] ? __lock_acquire+0xb9a/0x1680
[ 21.513205][ T404] ? find_held_lock+0x2c/0x110
[ 21.513350][ T404] ? __lock_release+0x103/0x460
[ 21.513498][ T404] ? __virt_addr_valid+0x22b/0x430
[ 21.513648][ T404] ? __pfx___lock_release+0x10/0x10
[ 21.513794][ T404] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 21.513942][ T404] __sys_sendmsg+0x109/0x1a0
[ 21.514088][ T404] ? __pfx___sys_sendmsg+0x10/0x10
[ 21.514240][ T404] ? __pfx_slab_free_after_rcu_debug+0x10/0x10
[ 21.514425][ T404] do_syscall_64+0xc1/0x1d0
[ 21.514570][ T404] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 21.514763][ T404] RIP: 0033:0x7ff3080db9a7
[ 21.514917][ T404] 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
[ 21.515440][ T404] RSP: 002b:00007ffe29f97da8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 21.515661][ T404] RAX: ffffffffffffffda RBX: 00007ffe29f984e0 RCX: 00007ff3080db9a7
[ 21.515880][ T404] RDX: 0000000000000000 RSI: 00007ffe29f97e10 RDI: 0000000000000005
[ 21.516106][ T404] RBP: 0000000000000001 R08: 0000000000000003 R09: 0000000000000078
[ 21.516352][ T404] R10: 00007ff307f994a8 R11: 0000000000000246 R12: 0000000000000001
[ 21.516572][ T404] R13: 0000000067796759 R14: 0000000000498600 R15: 0000000000000000
[ 21.516794][ T404] </TASK>
[ 21.550028][ T404] ip (404) used greatest stack depth: 23680 bytes left