Warning: Permanently added '10.128.0.152' (ED25519) to the list of known hosts. [ 37.954713][ T4292] chnl_net:caif_netlink_parms(): no params data found [ 37.986760][ T4292] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.988376][ T4292] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.990559][ T4292] device bridge_slave_0 entered promiscuous mode [ 37.994448][ T4292] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.995982][ T4292] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.998044][ T4292] device bridge_slave_1 entered promiscuous mode [ 38.011239][ T4292] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 38.014845][ T4292] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 38.026883][ T4292] team0: Port device team_slave_0 added [ 38.030419][ T4292] team0: Port device team_slave_1 added [ 38.040659][ T4292] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 38.042296][ T4292] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 38.047223][ T4292] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 38.051115][ T4292] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 38.052530][ T4292] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 38.057699][ T4292] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 38.113047][ T4292] device hsr_slave_0 entered promiscuous mode [ 38.151316][ T4292] device hsr_slave_1 entered promiscuous mode [ 38.252432][ T4292] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 38.305065][ T4292] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 38.373453][ T4292] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 38.432905][ T4292] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 38.486271][ T4292] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.487876][ T4292] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.489747][ T4292] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.491444][ T4292] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.526325][ T4292] 8021q: adding VLAN 0 to HW filter on device bond0 [ 38.533143][ T1616] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.536616][ T1616] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.539416][ T1616] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.542551][ T1616] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 38.551325][ T4292] 8021q: adding VLAN 0 to HW filter on device team0 [ 38.557053][ T1616] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 38.559060][ T1616] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.560513][ T1616] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.566449][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 38.568545][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.570041][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.580595][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 38.583050][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 38.587803][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 38.594768][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 38.599375][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 38.603443][ T4292] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 38.614423][ T1616] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 38.616001][ T1616] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 38.622974][ T4292] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 38.633925][ T1616] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 38.645072][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 38.647534][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 38.649468][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 38.655734][ T4292] device veth0_vlan entered promiscuous mode [ 38.660823][ T4292] device veth1_vlan entered promiscuous mode [ 38.674481][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 38.676517][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 38.678686][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 38.683562][ T4292] device veth0_macvtap entered promiscuous mode [ 38.687076][ T4292] device veth1_macvtap entered promiscuous mode [ 38.697313][ T4292] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 38.698994][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 38.702367][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 38.707274][ T4292] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 38.709234][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 38.714758][ T4292] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 38.716636][ T4292] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 38.718362][ T4292] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 38.720094][ T4292] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 38.751749][ T4301] netlink: 'syz-executor344': attribute type 10 has an invalid length. [ 38.765134][ T4301] team0: Port device vlan0 added [ 38.767114][ T4301] netlink: 'syz-executor344': attribute type 10 has an invalid length. [ 38.807449][ T4301] device veth0_vlan left promiscuous mode [ 38.809635][ T4301] device veth0_vlan entered promiscuous mode [ 38.811354][ T4301] [ 38.811873][ T4301] ============================================ [ 38.813100][ T4301] WARNING: possible recursive locking detected [ 38.814339][ T4301] 6.1.124-syzkaller #0 Not tainted [ 38.815365][ T4301] -------------------------------------------- [ 38.816582][ T4301] syz-executor344/4301 is trying to acquire lock: [ 38.817861][ T4301] ffff0000ded04d00 (team->team_lock_key){+.+.}-{3:3}, at: team_port_change_check+0x5c/0x230 [ 38.819884][ T4301] [ 38.819884][ T4301] but task is already holding lock: [ 38.821314][ T4301] ffff0000ded04d00 (team->team_lock_key){+.+.}-{3:3}, at: team_add_slave+0xa8/0x1f78 [ 38.823230][ T4301] [ 38.823230][ T4301] other info that might help us debug this: [ 38.824829][ T4301] Possible unsafe locking scenario: [ 38.824829][ T4301] [ 38.826296][ T4301] CPU0 [ 38.826932][ T4301] ---- [ 38.827557][ T4301] lock(team->team_lock_key); [ 38.828525][ T4301] lock(team->team_lock_key); [ 38.829470][ T4301] [ 38.829470][ T4301] *** DEADLOCK *** [ 38.829470][ T4301] [ 38.831064][ T4301] May be due to missing lock nesting notation [ 38.831064][ T4301] [ 38.832828][ T4301] 2 locks held by syz-executor344/4301: [ 38.833982][ T4301] #0: ffff8000180c4a08 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 [ 38.836012][ T4301] #1: ffff0000ded04d00 (team->team_lock_key){+.+.}-{3:3}, at: team_add_slave+0xa8/0x1f78 [ 38.837938][ T4301] [ 38.837938][ T4301] stack backtrace: [ 38.839120][ T4301] CPU: 1 PID: 4301 Comm: syz-executor344 Not tainted 6.1.124-syzkaller #0 [ 38.840773][ T4301] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 38.842734][ T4301] Call trace: [ 38.843375][ T4301] dump_backtrace+0x1c8/0x1f4 [ 38.844312][ T4301] show_stack+0x2c/0x3c [ 38.845193][ T4301] dump_stack_lvl+0x108/0x170 [ 38.846114][ T4301] dump_stack+0x1c/0x5c [ 38.846901][ T4301] __lock_acquire+0x6310/0x7680 [ 38.847866][ T4301] lock_acquire+0x26c/0x7cc [ 38.848783][ T4301] __mutex_lock_common+0x190/0x21a0 [ 38.849835][ T4301] mutex_lock_nested+0x38/0x44 [ 38.850751][ T4301] team_port_change_check+0x5c/0x230 [ 38.851932][ T4301] team_device_event+0x434/0x4d0 [ 38.852993][ T4301] raw_notifier_call_chain+0xd4/0x164 [ 38.854077][ T4301] __dev_notify_flags+0x2ac/0x534 [ 38.855110][ T4301] dev_change_flags+0xc8/0x154 [ 38.856211][ T4301] vlan_device_event+0x3f8/0x181c [ 38.857207][ T4301] raw_notifier_call_chain+0xd4/0x164 [ 38.858357][ T4301] dev_open+0x1a4/0x23c [ 38.859183][ T4301] team_add_slave+0x704/0x1f78 [ 38.860161][ T4301] do_setlink+0xc14/0x3318 [ 38.861026][ T4301] rtnl_newlink+0x1424/0x1b74 [ 38.861961][ T4301] rtnetlink_rcv_msg+0x72c/0xd94 [ 38.862957][ T4301] netlink_rcv_skb+0x20c/0x3b8 [ 38.863850][ T4301] rtnetlink_rcv+0x28/0x38 [ 38.864741][ T4301] netlink_unicast+0x65c/0x898 [ 38.865690][ T4301] netlink_sendmsg+0x834/0xb18 [ 38.866661][ T4301] ____sys_sendmsg+0x55c/0x848 [ 38.867600][ T4301] __sys_sendmsg+0x26c/0x33c [ 38.868503][ T4301] __arm64_sys_sendmsg+0x80/0x94 [ 38.869475][ T4301] invoke_syscall+0x98/0x2bc [ 38.870370][ T4301] el0_svc_common+0x138/0x258 [ 38.871406][ T4301] do_el0_svc+0x58/0x13c [ 38.872243][ T4301] el0_svc+0x58/0x168 [ 38.873034][ T4301] el0t_64_sync_handler+0x84/0xf0 [ 38.874027][ T4301] el0t_64_sync+0x18c/0x190