Warning: Permanently added '10.128.1.165' (ED25519) to the list of known hosts. [ 43.826729][ T4021] chnl_net:caif_netlink_parms(): no params data found [ 43.862256][ T4021] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.864071][ T4021] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.866391][ T4021] device bridge_slave_0 entered promiscuous mode [ 43.870992][ T4021] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.872689][ T4021] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.874776][ T4021] device bridge_slave_1 entered promiscuous mode [ 43.888926][ T4021] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 43.893037][ T4021] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 43.906280][ T4021] team0: Port device team_slave_0 added [ 43.909348][ T4021] team0: Port device team_slave_1 added [ 43.921939][ T4021] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 43.923736][ T4021] 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. [ 43.930316][ T4021] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 43.934577][ T4021] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 43.936208][ T4021] 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. [ 43.942934][ T4021] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 44.021835][ T4021] device hsr_slave_0 entered promiscuous mode [ 44.059945][ T4021] device hsr_slave_1 entered promiscuous mode [ 44.177960][ T4021] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 44.232437][ T4021] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 44.281848][ T4021] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 44.371808][ T4021] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 44.425157][ T4021] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.427039][ T4021] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.428900][ T4021] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.430626][ T4021] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.465909][ T4021] 8021q: adding VLAN 0 to HW filter on device bond0 [ 44.473284][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 44.477590][ T148] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.481098][ T148] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.484727][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 44.492896][ T4021] 8021q: adding VLAN 0 to HW filter on device team0 [ 44.502385][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 44.504709][ T148] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.506411][ T148] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.508394][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 44.511512][ T148] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.513223][ T148] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.525348][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 44.527863][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 44.535353][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 44.541954][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 44.547172][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 44.552427][ T4021] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 44.563503][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 44.565321][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 44.571482][ T4021] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 44.582601][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 44.594692][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 44.597524][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 44.601350][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 44.605473][ T4021] device veth0_vlan entered promiscuous mode [ 44.611716][ T4021] device veth1_vlan entered promiscuous mode [ 44.625331][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 44.627676][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 44.631084][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 44.635203][ T4021] device veth0_macvtap entered promiscuous mode [ 44.640772][ T4021] device veth1_macvtap entered promiscuous mode [ 44.651725][ T4021] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 44.653662][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 44.656590][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 44.662511][ T4021] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 44.664472][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 44.668488][ T4021] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 44.670591][ T4021] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 44.672515][ T4021] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 44.674397][ T4021] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 44.707878][ T4029] netlink: 'syz-executor213': attribute type 10 has an invalid length. [ 44.725044][ T4029] team0: Port device vlan0 added [ 44.727389][ T4029] netlink: 'syz-executor213': attribute type 10 has an invalid length. [ 44.751281][ T4029] device veth0_vlan left promiscuous mode [ 44.758875][ T4029] device veth0_vlan entered promiscuous mode [ 44.761593][ T4029] [ 44.762247][ T4029] ============================================ [ 44.763826][ T4029] WARNING: possible recursive locking detected [ 44.765417][ T4029] 5.15.178-syzkaller #0 Not tainted [ 44.766768][ T4029] -------------------------------------------- [ 44.768142][ T4029] syz-executor213/4029 is trying to acquire lock: [ 44.769571][ T4029] ffff0000d4b5cd00 (team->team_lock_key){+.+.}-{3:3}, at: team_port_change_check+0x5c/0x230 [ 44.771967][ T4029] [ 44.771967][ T4029] but task is already holding lock: [ 44.773687][ T4029] ffff0000d4b5cd00 (team->team_lock_key){+.+.}-{3:3}, at: team_add_slave+0xa8/0x1fb0 [ 44.776142][ T4029] [ 44.776142][ T4029] other info that might help us debug this: [ 44.778098][ T4029] Possible unsafe locking scenario: [ 44.778098][ T4029] [ 44.780088][ T4029] CPU0 [ 44.781015][ T4029] ---- [ 44.781819][ T4029] lock(team->team_lock_key); [ 44.782962][ T4029] lock(team->team_lock_key); [ 44.784048][ T4029] [ 44.784048][ T4029] *** DEADLOCK *** [ 44.784048][ T4029] [ 44.785997][ T4029] May be due to missing lock nesting notation [ 44.785997][ T4029] [ 44.787895][ T4029] 2 locks held by syz-executor213/4029: [ 44.789123][ T4029] #0: ffff800016cb4be8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0xa2c/0xdac [ 44.791427][ T4029] #1: ffff0000d4b5cd00 (team->team_lock_key){+.+.}-{3:3}, at: team_add_slave+0xa8/0x1fb0 [ 44.793700][ T4029] [ 44.793700][ T4029] stack backtrace: [ 44.795029][ T4029] CPU: 1 PID: 4029 Comm: syz-executor213 Not tainted 5.15.178-syzkaller #0 [ 44.796980][ T4029] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 44.799478][ T4029] Call trace: [ 44.800404][ T4029] dump_backtrace+0x0/0x530 [ 44.801502][ T4029] show_stack+0x2c/0x3c [ 44.802482][ T4029] dump_stack_lvl+0x108/0x170 [ 44.803614][ T4029] dump_stack+0x1c/0x58 [ 44.804740][ T4029] __lock_acquire+0x62bc/0x7638 [ 44.805949][ T4029] lock_acquire+0x240/0x77c [ 44.807155][ T4029] __mutex_lock_common+0x194/0x2154 [ 44.808360][ T4029] mutex_lock_nested+0xa4/0xf8 [ 44.809463][ T4029] team_port_change_check+0x5c/0x230 [ 44.810806][ T4029] team_device_event+0x434/0x4f4 [ 44.812049][ T4029] raw_notifier_call_chain+0xd4/0x164 [ 44.813437][ T4029] __dev_notify_flags+0x2ac/0x534 [ 44.814707][ T4029] dev_change_flags+0xc8/0x154 [ 44.816034][ T4029] vlan_device_event+0x3f0/0x18ec [ 44.817320][ T4029] raw_notifier_call_chain+0xd4/0x164 [ 44.818679][ T4029] dev_open+0x1a4/0x23c [ 44.819682][ T4029] team_add_slave+0x6e4/0x1fb0 [ 44.820779][ T4029] do_setlink+0xc08/0x3134 [ 44.821783][ T4029] rtnl_newlink+0x1294/0x1acc [ 44.822930][ T4029] rtnetlink_rcv_msg+0xa74/0xdac [ 44.824065][ T4029] netlink_rcv_skb+0x20c/0x3b8 [ 44.825200][ T4029] rtnetlink_rcv+0x28/0x38 [ 44.826246][ T4029] netlink_unicast+0x664/0x938 [ 44.827341][ T4029] netlink_sendmsg+0x844/0xb38 [ 44.828450][ T4029] ____sys_sendmsg+0x584/0x870 [ 44.829543][ T4029] ___sys_sendmsg+0x214/0x294 [ 44.830587][ T4029] __arm64_sys_sendmsg+0x1ac/0x25c [ 44.831729][ T4029] invoke_syscall+0x98/0x2b8 [ 44.832754][ T4029] el0_svc_common+0x138/0x258 [ 44.833790][ T4029] do_el0_svc+0x58/0x14c [ 44.834814][ T4029] el0_svc+0x7c/0x1f0 [ 44.835747][ T4029] el0t_64_sync_handler+0x84/0xe4 [ 44.836856][ T4029] el0t_64_sync+0x1a0/0x1a4