Warning: Permanently added '10.128.0.119' (ED25519) to the list of known hosts. [ 44.988410][ T4019] chnl_net:caif_netlink_parms(): no params data found [ 45.027374][ T4019] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.028936][ T4019] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.030891][ T4019] device bridge_slave_0 entered promiscuous mode [ 45.035125][ T4019] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.036632][ T4019] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.039971][ T4019] device bridge_slave_1 entered promiscuous mode [ 45.058737][ T4019] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 45.062716][ T4019] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 45.078346][ T4019] team0: Port device team_slave_0 added [ 45.081485][ T4019] team0: Port device team_slave_1 added [ 45.094419][ T4019] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 45.095862][ T4019] 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. [ 45.101420][ T4019] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 45.105716][ T4019] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 45.107527][ T4019] 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. [ 45.112756][ T4019] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 45.189192][ T4019] device hsr_slave_0 entered promiscuous mode [ 45.247359][ T4019] device hsr_slave_1 entered promiscuous mode [ 45.365680][ T4019] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 45.420042][ T4019] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 45.458836][ T4019] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 45.509120][ T4019] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 45.576172][ T4019] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.577982][ T4019] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.580226][ T4019] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.581929][ T4019] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.627912][ T4019] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.634901][ T296] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.639303][ T296] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.642429][ T296] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.645174][ T296] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 45.654425][ T4019] 8021q: adding VLAN 0 to HW filter on device team0 [ 45.660842][ T296] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 45.663615][ T296] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.665206][ T296] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.672610][ T296] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 45.674874][ T296] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.676213][ T296] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.692044][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 45.695525][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 45.701677][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 45.709121][ T296] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 45.714392][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 45.718990][ T4019] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 45.730801][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 45.732595][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 45.740126][ T4019] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 45.756295][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 45.771201][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 45.774057][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 45.776248][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 45.783617][ T4019] device veth0_vlan entered promiscuous mode [ 45.791567][ T4019] device veth1_vlan entered promiscuous mode [ 45.807865][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 45.810172][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 45.813516][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 45.820409][ T4019] device veth0_macvtap entered promiscuous mode [ 45.824741][ T4019] device veth1_macvtap entered promiscuous mode [ 45.836248][ T4019] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 45.838968][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 45.841800][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 45.847727][ T4019] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 45.850783][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 45.854846][ T4019] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 45.858086][ T4019] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 45.860116][ T4019] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 45.862022][ T4019] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 45.900836][ T4029] netlink: 'syz-executor170': attribute type 10 has an invalid length. [ 45.922209][ T4029] team0: Port device vlan1 added [ 45.924007][ T4029] netlink: 'syz-executor170': attribute type 10 has an invalid length. [ 45.948357][ T4029] device veth0_vlan left promiscuous mode [ 45.950750][ T4029] device veth0_vlan entered promiscuous mode [ 45.953706][ T4029] [ 45.954283][ T4029] ============================================ [ 45.955584][ T4029] WARNING: possible recursive locking detected [ 45.956885][ T4029] 5.15.175-syzkaller #0 Not tainted [ 45.958095][ T4029] -------------------------------------------- [ 45.959408][ T4029] syz-executor170/4029 is trying to acquire lock: [ 45.960855][ T4029] ffff0000d7574d00 (team->team_lock_key){+.+.}-{3:3}, at: team_port_change_check+0x5c/0x230 [ 45.963058][ T4029] [ 45.963058][ T4029] but task is already holding lock: [ 45.964850][ T4029] ffff0000d7574d00 (team->team_lock_key){+.+.}-{3:3}, at: team_add_slave+0xa8/0x1fb0 [ 45.966868][ T4029] [ 45.966868][ T4029] other info that might help us debug this: [ 45.968613][ T4029] Possible unsafe locking scenario: [ 45.968613][ T4029] [ 45.970256][ T4029] CPU0 [ 45.971025][ T4029] ---- [ 45.971809][ T4029] lock(team->team_lock_key); [ 45.972929][ T4029] lock(team->team_lock_key); [ 45.973937][ T4029] [ 45.973937][ T4029] *** DEADLOCK *** [ 45.973937][ T4029] [ 45.975840][ T4029] May be due to missing lock nesting notation [ 45.975840][ T4029] [ 45.977671][ T4029] 2 locks held by syz-executor170/4029: [ 45.978895][ T4029] #0: ffff800016cb38a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0xa2c/0xdac [ 45.981089][ T4029] #1: ffff0000d7574d00 (team->team_lock_key){+.+.}-{3:3}, at: team_add_slave+0xa8/0x1fb0 [ 45.983243][ T4029] [ 45.983243][ T4029] stack backtrace: [ 45.984403][ T4029] CPU: 1 PID: 4029 Comm: syz-executor170 Not tainted 5.15.175-syzkaller #0 [ 45.986158][ T4029] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 45.988202][ T4029] Call trace: [ 45.988868][ T4029] dump_backtrace+0x0/0x530 [ 45.989931][ T4029] show_stack+0x2c/0x3c [ 45.990864][ T4029] dump_stack_lvl+0x108/0x170 [ 45.991934][ T4029] dump_stack+0x1c/0x58 [ 45.992827][ T4029] __lock_acquire+0x62bc/0x7638 [ 45.993991][ T4029] lock_acquire+0x240/0x77c [ 45.994948][ T4029] __mutex_lock_common+0x194/0x2154 [ 45.996091][ T4029] mutex_lock_nested+0xa4/0xf8 [ 45.997271][ T4029] team_port_change_check+0x5c/0x230 [ 45.998402][ T4029] team_device_event+0x434/0x4f4 [ 45.999484][ T4029] raw_notifier_call_chain+0xd4/0x164 [ 46.000671][ T4029] __dev_notify_flags+0x2ac/0x534 [ 46.001837][ T4029] dev_change_flags+0xc8/0x154 [ 46.002829][ T4029] vlan_device_event+0x3f0/0x18ec [ 46.003957][ T4029] raw_notifier_call_chain+0xd4/0x164 [ 46.005081][ T4029] dev_open+0x1a4/0x23c [ 46.005990][ T4029] team_add_slave+0x6e4/0x1fb0 [ 46.007077][ T4029] do_setlink+0xc08/0x3134 [ 46.008065][ T4029] rtnl_setlink+0x37c/0x464 [ 46.009035][ T4029] rtnetlink_rcv_msg+0xa74/0xdac [ 46.010095][ T4029] netlink_rcv_skb+0x20c/0x3b8 [ 46.011031][ T4029] rtnetlink_rcv+0x28/0x38 [ 46.011889][ T4029] netlink_unicast+0x664/0x938 [ 46.012979][ T4029] netlink_sendmsg+0x844/0xb38 [ 46.014031][ T4029] sock_write_iter+0x2b0/0x3f8 [ 46.015020][ T4029] do_iter_readv_writev+0x420/0x5f8 [ 46.016118][ T4029] do_iter_write+0x1b8/0x66c [ 46.017108][ T4029] do_writev+0x220/0x3ec [ 46.017992][ T4029] __arm64_sys_writev+0x80/0x94 [ 46.019023][ T4029] invoke_syscall+0x98/0x2b8 [ 46.019991][ T4029] el0_svc_common+0x138/0x258 [ 46.021003][ T4029] do_el0_svc+0x58/0x14c [ 46.021951][ T4029] el0_svc+0x7c/0x1f0 [ 46.022871][ T4029] el0t_64_sync_handler+0x84/0xe4 [ 46.023917][ T4029] el0t_64_sync+0x1a0/0x1a4