[ 10.218728][ T244] team0: Mode changed to "loadbalance"
[ 10.232836][ T244]
[ 10.232966][ T244] ======================================================
[ 10.233201][ T244] WARNING: possible circular locking dependency detected
[ 10.233457][ T244] 6.14.0-rc2-virtme #1 Not tainted
[ 10.233622][ T244] ------------------------------------------------------
[ 10.233829][ T244] teamd/244 is trying to acquire lock:
[ 10.233994][ T244] ffff888007799c90 (&dev->lock){+.+.}-{4:4}, at: dev_set_mtu+0x12a/0x1a0
[ 10.234309][ T244]
[ 10.234309][ T244] but task is already holding lock:
[ 10.234535][ T244] ffff888005f4ad80 (team->team_lock_key){+.+.}-{4:4}, at: team_add_slave+0x33/0x80
[ 10.234882][ T244]
[ 10.234882][ T244] which lock already depends on the new lock.
[ 10.234882][ T244]
[ 10.235231][ T244]
[ 10.235231][ T244] the existing dependency chain (in reverse order) is:
[ 10.235558][ T244]
[ 10.235558][ T244] -> #2 (team->team_lock_key){+.+.}-{4:4}:
[ 10.235915][ T244] __lock_acquire+0xb9a/0x1680
[ 10.236150][ T244] lock_acquire.part.0+0xeb/0x330
[ 10.236355][ T244] __mutex_lock+0x169/0xc40
[ 10.236589][ T244] team_set_mac_address+0x120/0x250
[ 10.236790][ T244] netif_set_mac_address+0x28a/0x410
[ 10.237014][ T244] netif_set_mac_address_user+0x31/0x50
[ 10.237255][ T244] do_setlink.constprop.0+0x190d/0x2430
[ 10.237435][ T244] rtnl_setlink+0x2b5/0x5a0
[ 10.237578][ T244] rtnetlink_rcv_msg+0x712/0xc10
[ 10.237768][ T244] netlink_rcv_skb+0x130/0x360
[ 10.237957][ T244] netlink_unicast+0x44b/0x710
[ 10.238106][ T244] netlink_sendmsg+0x723/0xbe0
[ 10.238263][ T244] __sys_sendto+0x3c3/0x450
[ 10.238448][ T244] __x64_sys_sendto+0xe0/0x1c0
[ 10.238668][ T244] do_syscall_64+0xc1/0x1d0
[ 10.238896][ T244] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 10.239116][ T244]
[ 10.239116][ T244] -> #1 (dev_addr_sem){++++}-{4:4}:
[ 10.239435][ T244] __lock_acquire+0xb9a/0x1680
[ 10.239639][ T244] lock_acquire.part.0+0xeb/0x330
[ 10.239873][ T244] down_write+0x97/0x200
[ 10.240024][ T244] netif_set_mac_address_user+0x23/0x50
[ 10.240205][ T244] do_setlink.constprop.0+0x190d/0x2430
[ 10.240396][ T244] rtnl_setlink+0x2b5/0x5a0
[ 10.240575][ T244] rtnetlink_rcv_msg+0x712/0xc10
[ 10.240723][ T244] netlink_rcv_skb+0x130/0x360
[ 10.240920][ T244] netlink_unicast+0x44b/0x710
[ 10.241095][ T244] netlink_sendmsg+0x723/0xbe0
[ 10.241244][ T244] __sys_sendto+0x3c3/0x450
[ 10.241394][ T244] __x64_sys_sendto+0xe0/0x1c0
[ 10.241539][ T244] do_syscall_64+0xc1/0x1d0
[ 10.241687][ T244] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 10.241932][ T244]
[ 10.241932][ T244] -> #0 (&dev->lock){+.+.}-{4:4}:
[ 10.242196][ T244] check_prev_add+0x182/0xce0
[ 10.242350][ T244] validate_chain+0x7bd/0xae0
[ 10.242548][ T244] __lock_acquire+0xb9a/0x1680
[ 10.242695][ T244] lock_acquire.part.0+0xeb/0x330
[ 10.242851][ T244] __mutex_lock+0x169/0xc40
[ 10.243000][ T244] dev_set_mtu+0x12a/0x1a0
[ 10.243219][ T244] team_port_add+0x76a/0x1c10
[ 10.243370][ T244] team_add_slave+0x41/0x80
[ 10.243517][ T244] do_set_master+0x302/0x610
[ 10.243667][ T244] do_setlink.constprop.0+0x87b/0x2430
[ 10.243921][ T244] rtnl_newlink+0x69c/0xa70
[ 10.244151][ T244] rtnetlink_rcv_msg+0x712/0xc10
[ 10.244298][ T244] netlink_rcv_skb+0x130/0x360
[ 10.244446][ T244] netlink_unicast+0x44b/0x710
[ 10.244594][ T244] netlink_sendmsg+0x723/0xbe0
[ 10.244755][ T244] ____sys_sendmsg+0x7ac/0xa10
[ 10.244956][ T244] ___sys_sendmsg+0xee/0x170
[ 10.245107][ T244] __sys_sendmsg+0x109/0x1a0
[ 10.245253][ T244] do_syscall_64+0xc1/0x1d0
[ 10.245399][ T244] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 10.245583][ T244]
[ 10.245583][ T244] other info that might help us debug this:
[ 10.245583][ T244]
[ 10.245928][ T244] Chain exists of:
[ 10.245928][ T244] &dev->lock --> dev_addr_sem --> team->team_lock_key
[ 10.245928][ T244]
[ 10.246322][ T244] Possible unsafe locking scenario:
[ 10.246322][ T244]
[ 10.246543][ T244] CPU0 CPU1
[ 10.246735][ T244] ---- ----
[ 10.246917][ T244] lock(team->team_lock_key);
[ 10.247066][ T244] lock(dev_addr_sem);
[ 10.247306][ T244] lock(team->team_lock_key);
[ 10.247526][ T244] lock(&dev->lock);
[ 10.247686][ T244]
[ 10.247686][ T244] *** DEADLOCK ***
[ 10.247686][ T244]
[ 10.247992][ T244] 2 locks held by teamd/244:
[ 10.248227][ T244] #0: ffffffff98a0b088 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x653/0xa70
[ 10.248581][ T244] #1: ffff888005f4ad80 (team->team_lock_key){+.+.}-{4:4}, at: team_add_slave+0x33/0x80
[ 10.248912][ T244]
[ 10.248912][ T244] stack backtrace:
[ 10.249125][ T244] CPU: 0 UID: 0 PID: 244 Comm: teamd Not tainted 6.14.0-rc2-virtme #1
[ 10.249131][ T244] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 10.249134][ T244] Call Trace:
[ 10.249137][ T244] <TASK>
[ 10.249140][ T244] dump_stack_lvl+0x82/0xd0
[ 10.249148][ T244] print_circular_bug+0x1b7/0x240
[ 10.249154][ T244] check_noncircular+0x2f9/0x3e0
[ 10.249158][ T244] ? __pfx_check_noncircular+0x10/0x10
[ 10.249162][ T244] ? find_held_lock+0x2c/0x110
[ 10.249165][ T244] ? __pfx_validate_chain+0x10/0x10
[ 10.249170][ T244] ? alloc_chain_hlocks+0x4e0/0x720
[ 10.249175][ T244] check_prev_add+0x182/0xce0
[ 10.249180][ T244] validate_chain+0x7bd/0xae0
[ 10.249186][ T244] ? __pfx_validate_chain+0x10/0x10
[ 10.249189][ T244] ? hlock_class+0x4e/0x130
[ 10.249192][ T244] ? mark_lock+0x38/0x3e0
[ 10.249197][ T244] __lock_acquire+0xb9a/0x1680
[ 10.249203][ T244] lock_acquire.part.0+0xeb/0x330
[ 10.249205][ T244] ? dev_set_mtu+0x12a/0x1a0
[ 10.249210][ T244] ? do_set_master+0x302/0x610
[ 10.249213][ T244] ? do_setlink.constprop.0+0x87b/0x2430
[ 10.249216][ T244] ? rtnl_newlink+0x69c/0xa70
[ 10.249219][ T244] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 10.249222][ T244] ? trace_lock_acquire+0x14c/0x1f0
[ 10.249225][ T244] ? lock_acquire+0x32/0xc0
[ 10.249227][ T244] ? dev_set_mtu+0x12a/0x1a0
[ 10.249231][ T244] __mutex_lock+0x169/0xc40
[ 10.249234][ T244] ? dev_set_mtu+0x12a/0x1a0
[ 10.249237][ T244] ? __create_object+0x5e/0xb0
[ 10.249241][ T244] ? __pfx___lock_release+0x10/0x10
[ 10.249243][ T244] ? dev_set_mtu+0x12a/0x1a0
[ 10.249247][ T244] ? __pfx___mutex_lock+0x10/0x10
[ 10.249250][ T244] ? mark_held_locks+0x9e/0xe0
[ 10.249254][ T244] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 10.249258][ T244] ? kasan_save_track+0x14/0x30
[ 10.249263][ T244] ? dev_set_mtu+0x12a/0x1a0
[ 10.249266][ T244] dev_set_mtu+0x12a/0x1a0
[ 10.249270][ T244] team_port_add+0x76a/0x1c10
[ 10.249274][ T244] ? __mutex_unlock_slowpath+0x145/0x3f0
[ 10.249278][ T244] ? __pfx_team_port_add+0x10/0x10
[ 10.249281][ T244] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 10.249287][ T244] team_add_slave+0x41/0x80
[ 10.249291][ T244] do_set_master+0x302/0x610
[ 10.249295][ T244] do_setlink.constprop.0+0x87b/0x2430
[ 10.249300][ T244] ? __pfx_do_setlink.constprop.0+0x10/0x10
[ 10.249304][ T244] ? lock_acquire.part.0+0xeb/0x330
[ 10.249306][ T244] ? rtnl_newlink+0x653/0xa70
[ 10.249310][ T244] ? rtnl_newlink+0xb9/0xa70
[ 10.249312][ T244] ? rtnetlink_rcv_msg+0x712/0xc10
[ 10.249316][ T244] ? __mutex_trylock_common+0xfa/0x260
[ 10.249321][ T244] ? __pfx___mutex_trylock_common+0x10/0x10
[ 10.249325][ T244] ? lock_acquire+0x32/0xc0
[ 10.249327][ T244] ? trace_contention_end+0xef/0x150
[ 10.249331][ T244] ? __mutex_lock+0x190/0xc40
[ 10.249334][ T244] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 10.249337][ T244] ? rtnl_newlink+0x653/0xa70
[ 10.249340][ T244] ? __pfx___mutex_lock+0x10/0x10
[ 10.249342][ T244] ? __pfx_validate_nla+0x10/0x10
[ 10.249347][ T244] ? trace_cap_capable+0x11e/0x1a0
[ 10.249352][ T244] ? __rtnl_newlink+0x3f2/0xa80
[ 10.249356][ T244] rtnl_newlink+0x69c/0xa70
[ 10.249361][ T244] ? __pfx_rtnl_newlink+0x10/0x10
[ 10.249364][ T244] ? find_held_lock+0x2c/0x110
[ 10.249368][ T244] ? __pfx___lock_release+0x10/0x10
[ 10.249371][ T244] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 10.249375][ T244] ? rtnetlink_rcv_msg+0x6ef/0xc10
[ 10.249379][ T244] ? __pfx_rtnl_newlink+0x10/0x10
[ 10.249382][ T244] rtnetlink_rcv_msg+0x712/0xc10
[ 10.249386][ T244] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 10.249389][ T244] ? hlock_class+0x4e/0x130
[ 10.249392][ T244] ? mark_lock+0x38/0x3e0
[ 10.249397][ T244] ? __lock_acquire+0xb9a/0x1680
[ 10.249401][ T244] netlink_rcv_skb+0x130/0x360
[ 10.249405][ T244] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 10.249409][ T244] ? __pfx_netlink_rcv_skb+0x10/0x10
[ 10.249416][ T244] ? netlink_deliver_tap+0x13e/0x340
[ 10.249420][ T244] ? netlink_deliver_tap+0xc3/0x340
[ 10.249424][ T244] netlink_unicast+0x44b/0x710
[ 10.249429][ T244] ? __pfx_netlink_unicast+0x10/0x10
[ 10.249432][ T244] ? find_held_lock+0x2c/0x110
[ 10.249436][ T244] netlink_sendmsg+0x723/0xbe0
[ 10.249441][ T244] ? __pfx_netlink_sendmsg+0x10/0x10
[ 10.249447][ T244] ____sys_sendmsg+0x7ac/0xa10
[ 10.249452][ T244] ? __pfx_____sys_sendmsg+0x10/0x10
[ 10.249455][ T244] ? __pfx_copy_msghdr_from_user+0x10/0x10
[ 10.249461][ T244] ___sys_sendmsg+0xee/0x170
[ 10.249465][ T244] ? __pfx____sys_sendmsg+0x10/0x10
[ 10.249468][ T244] ? ___sys_recvmsg+0xe0/0x150
[ 10.249471][ T244] ? __pfx____sys_recvmsg+0x10/0x10
[ 10.249475][ T244] ? do_user_addr_fault+0x8fd/0xe30
[ 10.249480][ T244] ? do_user_addr_fault+0x8fd/0xe30
[ 10.249484][ T244] ? find_held_lock+0x2c/0x110
[ 10.249488][ T244] ? __lock_release+0x103/0x460
[ 10.249492][ T244] __sys_sendmsg+0x109/0x1a0
[ 10.249494][ T244] ? __pfx___sys_sendmsg+0x10/0x10
[ 10.249499][ T244] ? do_user_addr_fault+0x97c/0xe30
[ 10.249504][ T244] do_syscall_64+0xc1/0x1d0
[ 10.249507][ T244] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 10.249511][ T244] RIP: 0033:0x7f1cc1c569a7
[ 10.249515][ T244] 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
[ 10.249518][ T244] RSP: 002b:00007ffd892ebe38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 10.249521][ T244] RAX: ffffffffffffffda RBX: 0000000003630730 RCX: 00007f1cc1c569a7
[ 10.249524][ T244] RDX: 0000000000000000 RSI: 00007ffd892ebe70 RDI: 0000000000000005
[ 10.249525][ T244] RBP: 0000000003630640 R08: 0000000000000008 R09: 0000000000000000
[ 10.249527][ T244] R10: 0000000000008000 R11: 0000000000000246 R12: 000000000364b760
[ 10.249529][ T244] R13: 00007ffd892ebe70 R14: 0000000000000000 R15: 00007ffd892ec000
[ 10.249534][ T244] </TASK>
[ 10.273111][ T244] team0: Port device dummy1 added
[ 10.289094][ T244] team0: Port device dummy2 added
[ 10.426458][ T248] dummy1: entered promiscuous mode
[ 10.426691][ T248] dummy2: entered promiscuous mode
[ 10.797197][ T269] dummy1: left promiscuous mode
[ 10.797393][ T269] dummy2: left promiscuous mode
[ 10.974913][ T270] team0 (unregistering): Port device dummy1 removed
[ 10.976654][ T270] team0 (unregistering): Port device dummy2 removed
[ 11.040359][ T244] teamd (244) used greatest stack depth: 23848 bytes left