Warning: Permanently added '10.128.0.55' (ED25519) to the list of known hosts. [ 35.522276][ T6162] chnl_net:caif_netlink_parms(): no params data found [ 35.553059][ T6162] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.554980][ T6162] bridge0: port 1(bridge_slave_0) entered disabled state [ 35.556902][ T6162] bridge_slave_0: entered allmulticast mode [ 35.558894][ T6162] bridge_slave_0: entered promiscuous mode [ 35.562699][ T6162] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.564553][ T6162] bridge0: port 2(bridge_slave_1) entered disabled state [ 35.566412][ T6162] bridge_slave_1: entered allmulticast mode [ 35.568563][ T6162] bridge_slave_1: entered promiscuous mode [ 35.579914][ T6162] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 35.584209][ T6162] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 35.596148][ T6162] team0: Port device team_slave_0 added [ 35.598647][ T6162] team0: Port device team_slave_1 added [ 35.608879][ T6162] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 35.610778][ T6162] 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. [ 35.617096][ T6162] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 35.621261][ T6162] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 35.623063][ T6162] 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. [ 35.629454][ T6162] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 35.701908][ T6162] hsr_slave_0: entered promiscuous mode [ 35.740583][ T6162] hsr_slave_1: entered promiscuous mode [ 35.833913][ T6162] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 35.872173][ T6162] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 35.912450][ T6162] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 35.951642][ T6162] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 36.002590][ T6162] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.004548][ T6162] bridge0: port 2(bridge_slave_1) entered forwarding state [ 36.006662][ T6162] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.008391][ T6162] bridge0: port 1(bridge_slave_0) entered forwarding state [ 36.034959][ T6162] 8021q: adding VLAN 0 to HW filter on device bond0 [ 36.042099][ T25] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.045268][ T25] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.052405][ T6162] 8021q: adding VLAN 0 to HW filter on device team0 [ 36.057850][ T6169] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.059685][ T6169] bridge0: port 1(bridge_slave_0) entered forwarding state [ 36.072713][ T6172] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.074527][ T6172] bridge0: port 2(bridge_slave_1) entered forwarding state [ 36.099252][ T6162] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 36.119502][ T6162] veth0_vlan: entered promiscuous mode [ 36.127575][ T6162] veth1_vlan: entered promiscuous mode [ 36.141268][ T6162] veth0_macvtap: entered promiscuous mode [ 36.144547][ T6162] veth1_macvtap: entered promiscuous mode [ 36.154101][ T6162] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 36.159165][ T6162] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 36.163868][ T6162] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 36.166128][ T6162] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 36.168223][ T6162] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 36.170826][ T6162] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 36.191861][ T6162] netlink: 'syz-executor903': attribute type 10 has an invalid length. executing program [ 36.215349][ T6162] team0: Port device vlan1 added [ 36.217104][ T6162] netlink: 'syz-executor903': attribute type 10 has an invalid length. [ 36.257447][ T6162] veth0_vlan: left promiscuous mode [ 36.259681][ T6162] veth0_vlan: entered promiscuous mode [ 36.263229][ T6162] [ 36.263832][ T6162] ============================================ [ 36.265522][ T6162] WARNING: possible recursive locking detected [ 36.267073][ T6162] 6.8.0-rc7-syzkaller-g707081b61156 #0 Not tainted [ 36.268665][ T6162] -------------------------------------------- [ 36.270174][ T6162] syz-executor903/6162 is trying to acquire lock: [ 36.271812][ T6162] ffff0000cce14d20 (team->team_lock_key){+.+.}-{3:3}, at: team_port_change_check+0x5c/0x228 [ 36.274354][ T6162] [ 36.274354][ T6162] but task is already holding lock: [ 36.276243][ T6162] ffff0000cce14d20 (team->team_lock_key){+.+.}-{3:3}, at: team_add_slave+0xa4/0x2368 [ 36.278624][ T6162] [ 36.278624][ T6162] other info that might help us debug this: [ 36.280740][ T6162] Possible unsafe locking scenario: [ 36.280740][ T6162] [ 36.282661][ T6162] CPU0 [ 36.283517][ T6162] ---- [ 36.284366][ T6162] lock(team->team_lock_key); [ 36.285584][ T6162] lock(team->team_lock_key); [ 36.286820][ T6162] [ 36.286820][ T6162] *** DEADLOCK *** [ 36.286820][ T6162] [ 36.288875][ T6162] May be due to missing lock nesting notation [ 36.288875][ T6162] [ 36.290989][ T6162] 2 locks held by syz-executor903/6162: [ 36.292405][ T6162] #0: ffff80009194f2e8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x704/0xdbc [ 36.294653][ T6162] #1: ffff0000cce14d20 (team->team_lock_key){+.+.}-{3:3}, at: team_add_slave+0xa4/0x2368 [ 36.297212][ T6162] [ 36.297212][ T6162] stack backtrace: [ 36.298756][ T6162] CPU: 1 PID: 6162 Comm: syz-executor903 Not tainted 6.8.0-rc7-syzkaller-g707081b61156 #0 [ 36.301258][ T6162] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 36.303797][ T6162] Call trace: [ 36.304630][ T6162] dump_backtrace+0x1b8/0x1e4 [ 36.305885][ T6162] show_stack+0x2c/0x3c [ 36.306950][ T6162] dump_stack_lvl+0xd0/0x124 [ 36.308101][ T6162] dump_stack+0x1c/0x28 [ 36.309127][ T6162] print_deadlock_bug+0x4e4/0x660 [ 36.310427][ T6162] __lock_acquire+0x5fe4/0x763c [ 36.311753][ T6162] lock_acquire+0x23c/0x71c [ 36.312897][ T6162] __mutex_lock_common+0x190/0x21a0 [ 36.314255][ T6162] mutex_lock_nested+0x2c/0x38 [ 36.315493][ T6162] team_port_change_check+0x5c/0x228 [ 36.316901][ T6162] team_device_event+0x430/0x4cc [ 36.318202][ T6162] notifier_call_chain+0x1a4/0x510 [ 36.319542][ T6162] raw_notifier_call_chain+0x3c/0x50 [ 36.320901][ T6162] __dev_notify_flags+0x2c4/0x550 [ 36.322226][ T6162] dev_change_flags+0xd0/0x15c [ 36.323445][ T6162] vlan_device_event+0x3f4/0x1814 [ 36.324736][ T6162] notifier_call_chain+0x1a4/0x510 [ 36.326075][ T6162] raw_notifier_call_chain+0x3c/0x50 [ 36.327453][ T6162] dev_open+0x1b0/0x248 [ 36.328551][ T6162] team_add_slave+0x7b0/0x2368 [ 36.329777][ T6162] do_setlink+0xc30/0x3794 [ 36.330922][ T6162] rtnl_setlink+0x3ac/0x49c [ 36.332061][ T6162] rtnetlink_rcv_msg+0x748/0xdbc [ 36.333335][ T6162] netlink_rcv_skb+0x214/0x3c4 [ 36.334590][ T6162] rtnetlink_rcv+0x28/0x38 [ 36.335684][ T6162] netlink_unicast+0x65c/0x898 [ 36.336906][ T6162] netlink_sendmsg+0x83c/0xb20 [ 36.338150][ T6162] sock_write_iter+0x2d8/0x448 [ 36.339373][ T6162] do_iter_readv_writev+0x38c/0x540 [ 36.340683][ T6162] vfs_writev+0x410/0xb58 [ 36.341786][ T6162] do_writev+0x178/0x304 [ 36.342823][ T6162] __arm64_sys_writev+0x80/0x94 [ 36.344093][ T6162] invoke_syscall+0x98/0x2b8 [ 36.345303][ T6162] el0_svc_common+0x130/0x23c [ 36.346508][ T6162] do_el0_svc+0x48/0x58 [ 36.347564][ T6162] el0_svc+0x54/0x168 [ 36.348592][ T6162] el0t_64_sync_handler+0x84/0xfc [ 36.349829][ T6162] el0t_64_sync+0x190/0x194