Warning: Permanently added '10.128.0.238' (ED25519) to the list of known hosts. [ 45.753452][ T3971] chnl_net:caif_netlink_parms(): no params data found [ 45.791063][ T3971] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.793081][ T3971] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.795681][ T3971] device bridge_slave_0 entered promiscuous mode [ 45.800453][ T3971] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.802378][ T3971] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.804827][ T3971] device bridge_slave_1 entered promiscuous mode [ 45.821455][ T3971] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 45.825762][ T3971] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 45.840149][ T3971] team0: Port device team_slave_0 added [ 45.843516][ T3971] team0: Port device team_slave_1 added [ 45.857095][ T3971] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 45.859174][ T3971] 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. [ 45.865845][ T3971] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 45.871135][ T3971] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 45.872871][ T3971] 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. [ 45.880042][ T3971] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 45.969920][ T3971] device hsr_slave_0 entered promiscuous mode [ 46.007957][ T3971] device hsr_slave_1 entered promiscuous mode [ 46.119322][ T3971] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 46.200633][ T3971] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 46.250093][ T3971] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 46.290378][ T3971] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 46.356046][ T3971] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.358114][ T3971] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.360426][ T3971] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.362280][ T3971] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.402581][ T3971] 8021q: adding VLAN 0 to HW filter on device bond0 [ 46.414169][ T3971] 8021q: adding VLAN 0 to HW filter on device team0 [ 46.417627][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.421860][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.425041][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.428159][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 46.438801][ T3977] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.441289][ T3977] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.443169][ T3977] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.445449][ T3977] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.449462][ T3977] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.451327][ T3977] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.470325][ T3977] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 46.473240][ T3977] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 46.475901][ T3977] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.478686][ T3977] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 46.484255][ T3776] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.488445][ T3971] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 46.499776][ T3980] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 46.501907][ T3980] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 46.509319][ T3971] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 46.522338][ T3980] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 46.534253][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 46.536860][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 46.539674][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 46.544016][ T3971] device veth0_vlan entered promiscuous mode [ 46.552177][ T3971] device veth1_vlan entered promiscuous mode [ 46.571836][ T3971] device veth0_macvtap entered promiscuous mode [ 46.574682][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 46.577147][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 46.580059][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 46.582567][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 46.586408][ T3971] device veth1_macvtap entered promiscuous mode [ 46.602216][ T3971] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 46.604338][ T3980] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 46.610805][ T3971] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 46.614802][ T3971] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 46.617228][ T3971] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 46.621125][ T3971] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 46.623337][ T3971] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 46.626899][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready executing program [ 46.656176][ T3981] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 46.680110][ T3981] netlink: 'syz-executor180': attribute type 27 has an invalid length. [ 46.912904][ T3981] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.915563][ T3981] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.532049][ T3981] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 47.561952][ T3981] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 47.971748][ T3981] netdevsim netdevsim0 netdevsim0: unset [1, 0] type 2 family 0 port 6081 - 0 [ 47.974117][ T3981] netdevsim netdevsim0 netdevsim1: unset [1, 0] type 2 family 0 port 6081 - 0 [ 47.976440][ T3981] netdevsim netdevsim0 netdevsim2: unset [1, 0] type 2 family 0 port 6081 - 0 [ 47.979073][ T3981] netdevsim netdevsim0 netdevsim3: unset [1, 0] type 2 family 0 port 6081 - 0 executing program [ 48.094828][ T3983] netlink: 'syz-executor180': attribute type 27 has an invalid length. [ 48.100759][ T3983] [ 48.101402][ T3983] ====================================================== [ 48.103313][ T3983] WARNING: possible circular locking dependency detected [ 48.105215][ T3983] 5.15.147-syzkaller #0 Not tainted [ 48.106652][ T3983] ------------------------------------------------------ [ 48.108404][ T3983] syz-executor180/3983 is trying to acquire lock: [ 48.110069][ T3983] ffff0000d87450d0 (&priv->j1939_socks_lock){+.-.}-{2:2}, at: j1939_sk_errqueue+0x90/0x144 [ 48.112777][ T3983] [ 48.112777][ T3983] but task is already holding lock: [ 48.114700][ T3983] ffff0000d8745088 (&priv->active_session_list_lock){+.-.}-{2:2}, at: j1939_cancel_active_session+0x54/0x414 [ 48.117786][ T3983] [ 48.117786][ T3983] which lock already depends on the new lock. [ 48.117786][ T3983] [ 48.120506][ T3983] [ 48.120506][ T3983] the existing dependency chain (in reverse order) is: [ 48.122906][ T3983] [ 48.122906][ T3983] -> #2 (&priv->active_session_list_lock){+.-.}-{2:2}: [ 48.125173][ T3983] _raw_spin_lock_bh+0x124/0x1c4 [ 48.126529][ T3983] j1939_session_activate+0x60/0x388 [ 48.128070][ T3983] j1939_sk_queue_activate_next+0x230/0x3b4 [ 48.129889][ T3983] j1939_xtp_rx_eoma+0x2c0/0x4c0 [ 48.131344][ T3983] j1939_tp_recv+0x714/0xe14 [ 48.132679][ T3983] j1939_can_recv+0x568/0x8b4 [ 48.134096][ T3983] can_rcv_filter+0x308/0x714 [ 48.135414][ T3983] can_receive+0x344/0x4a0 [ 48.136738][ T3983] can_rcv+0x118/0x274 [ 48.137927][ T3983] __netif_receive_skb+0x18c/0x400 [ 48.139418][ T3983] process_backlog+0x3ec/0x7e0 [ 48.140843][ T3983] __napi_poll+0xb4/0x624 [ 48.142207][ T3983] net_rx_action+0x500/0xc10 [ 48.143626][ T3983] __do_softirq+0x344/0xdb0 [ 48.144962][ T3983] run_ksoftirqd+0x68/0x258 [ 48.146299][ T3983] smpboot_thread_fn+0x4b0/0x920 [ 48.147694][ T3983] kthread+0x37c/0x45c [ 48.148927][ T3983] ret_from_fork+0x10/0x20 [ 48.150218][ T3983] [ 48.150218][ T3983] -> #1 (&jsk->sk_session_queue_lock){+.-.}-{2:2}: [ 48.152546][ T3983] _raw_spin_lock_bh+0x124/0x1c4 [ 48.153985][ T3983] j1939_sk_queue_drop_all+0x4c/0x200 [ 48.155563][ T3983] j1939_sk_netdev_event_netdown+0xe0/0x144 [ 48.157266][ T3983] j1939_netdev_notify+0xf0/0x144 [ 48.158673][ T3983] raw_notifier_call_chain+0xd4/0x164 [ 48.160238][ T3983] __dev_notify_flags+0x2ac/0x534 [ 48.161704][ T3983] dev_change_flags+0xc8/0x154 [ 48.163136][ T3983] do_setlink+0xaa4/0x3164 [ 48.164406][ T3983] rtnl_newlink+0xd8c/0x1af4 [ 48.165761][ T3983] rtnetlink_rcv_msg+0xa74/0xdac [ 48.167126][ T3983] netlink_rcv_skb+0x20c/0x3b8 [ 48.168431][ T3983] rtnetlink_rcv+0x28/0x38 [ 48.169670][ T3983] netlink_unicast+0x664/0x938 [ 48.171030][ T3983] netlink_sendmsg+0x844/0xb38 [ 48.172429][ T3983] ____sys_sendmsg+0x584/0x870 [ 48.173809][ T3983] ___sys_sendmsg+0x214/0x294 [ 48.175106][ T3983] __arm64_sys_sendmsg+0x1ac/0x25c [ 48.176534][ T3983] invoke_syscall+0x98/0x2b8 [ 48.177813][ T3983] el0_svc_common+0x138/0x258 [ 48.179111][ T3983] do_el0_svc+0x58/0x14c [ 48.180340][ T3983] el0_svc+0x7c/0x1f0 [ 48.181493][ T3983] el0t_64_sync_handler+0x84/0xe4 [ 48.182923][ T3983] el0t_64_sync+0x1a0/0x1a4 [ 48.184220][ T3983] [ 48.184220][ T3983] -> #0 (&priv->j1939_socks_lock){+.-.}-{2:2}: [ 48.186512][ T3983] __lock_acquire+0x32d4/0x7638 [ 48.187921][ T3983] lock_acquire+0x240/0x77c [ 48.189193][ T3983] _raw_spin_lock_bh+0x124/0x1c4 [ 48.190558][ T3983] j1939_sk_errqueue+0x90/0x144 [ 48.191970][ T3983] j1939_session_put+0xf8/0x4f0 [ 48.193336][ T3983] j1939_cancel_active_session+0x2ec/0x414 [ 48.194953][ T3983] j1939_netdev_notify+0xe8/0x144 [ 48.196320][ T3983] raw_notifier_call_chain+0xd4/0x164 [ 48.197887][ T3983] __dev_notify_flags+0x2ac/0x534 [ 48.199262][ T3983] dev_change_flags+0xc8/0x154 [ 48.200611][ T3983] do_setlink+0xaa4/0x3164 [ 48.201881][ T3983] rtnl_newlink+0xd8c/0x1af4 [ 48.203133][ T3983] rtnetlink_rcv_msg+0xa74/0xdac [ 48.204608][ T3983] netlink_rcv_skb+0x20c/0x3b8 [ 48.205932][ T3983] rtnetlink_rcv+0x28/0x38 [ 48.207189][ T3983] netlink_unicast+0x664/0x938 [ 48.208574][ T3983] netlink_sendmsg+0x844/0xb38 [ 48.209950][ T3983] ____sys_sendmsg+0x584/0x870 [ 48.211258][ T3983] ___sys_sendmsg+0x214/0x294 [ 48.212608][ T3983] __arm64_sys_sendmsg+0x1ac/0x25c [ 48.214053][ T3983] invoke_syscall+0x98/0x2b8 [ 48.215359][ T3983] el0_svc_common+0x138/0x258 [ 48.216738][ T3983] do_el0_svc+0x58/0x14c [ 48.217924][ T3983] el0_svc+0x7c/0x1f0 [ 48.219073][ T3983] el0t_64_sync_handler+0x84/0xe4 [ 48.220551][ T3983] el0t_64_sync+0x1a0/0x1a4 [ 48.221861][ T3983] [ 48.221861][ T3983] other info that might help us debug this: [ 48.221861][ T3983] [ 48.224611][ T3983] Chain exists of: [ 48.224611][ T3983] &priv->j1939_socks_lock --> &jsk->sk_session_queue_lock --> &priv->active_session_list_lock [ 48.224611][ T3983] [ 48.228873][ T3983] Possible unsafe locking scenario: [ 48.228873][ T3983] [ 48.230913][ T3983] CPU0 CPU1 [ 48.232387][ T3983] ---- ---- [ 48.233804][ T3983] lock(&priv->active_session_list_lock); [ 48.235358][ T3983] lock(&jsk->sk_session_queue_lock); [ 48.237382][ T3983] lock(&priv->active_session_list_lock); [ 48.239545][ T3983] lock(&priv->j1939_socks_lock); [ 48.240836][ T3983] [ 48.240836][ T3983] *** DEADLOCK *** [ 48.240836][ T3983] [ 48.243036][ T3983] 2 locks held by syz-executor180/3983: [ 48.244516][ T3983] #0: ffff800016a094a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0xa2c/0xdac [ 48.246956][ T3983] #1: ffff0000d8745088 (&priv->active_session_list_lock){+.-.}-{2:2}, at: j1939_cancel_active_session+0x54/0x414 [ 48.249943][ T3983] [ 48.249943][ T3983] stack backtrace: [ 48.251485][ T3983] CPU: 1 PID: 3983 Comm: syz-executor180 Not tainted 5.15.147-syzkaller #0 [ 48.253714][ T3983] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 48.256462][ T3983] Call trace: [ 48.257397][ T3983] dump_backtrace+0x0/0x530 [ 48.258598][ T3983] show_stack+0x2c/0x3c [ 48.259655][ T3983] dump_stack_lvl+0x108/0x170 [ 48.260897][ T3983] dump_stack+0x1c/0x58 [ 48.261971][ T3983] print_circular_bug+0x150/0x1b8 [ 48.263316][ T3983] check_noncircular+0x2cc/0x378 [ 48.264555][ T3983] __lock_acquire+0x32d4/0x7638 [ 48.265847][ T3983] lock_acquire+0x240/0x77c [ 48.267000][ T3983] _raw_spin_lock_bh+0x124/0x1c4 [ 48.268313][ T3983] j1939_sk_errqueue+0x90/0x144 [ 48.269537][ T3983] j1939_session_put+0xf8/0x4f0 [ 48.270844][ T3983] j1939_cancel_active_session+0x2ec/0x414 [ 48.272351][ T3983] j1939_netdev_notify+0xe8/0x144 [ 48.273691][ T3983] raw_notifier_call_chain+0xd4/0x164 [ 48.275071][ T3983] __dev_notify_flags+0x2ac/0x534 [ 48.276449][ T3983] dev_change_flags+0xc8/0x154 [ 48.277742][ T3983] do_setlink+0xaa4/0x3164 [ 48.278898][ T3983] rtnl_newlink+0xd8c/0x1af4 [ 48.280006][ T3983] rtnetlink_rcv_msg+0xa74/0xdac [ 48.281286][ T3983] netlink_rcv_skb+0x20c/0x3b8 [ 48.282532][ T3983] rtnetlink_rcv+0x28/0x38 [ 48.283676][ T3983] netlink_unicast+0x664/0x938 [ 48.284930][ T3983] netlink_sendmsg+0x844/0xb38 [ 48.286199][ T3983] ____sys_sendmsg+0x584/0x870 [ 48.287380][ T3983] ___sys_sendmsg+0x214/0x294 [ 48.288654][ T3983] __arm64_sys_sendmsg+0x1ac/0x25c [ 48.289970][ T3983] invoke_syscall+0x98/0x2b8 [ 48.291197][ T3983] el0_svc_common+0x138/0x258 [ 48.292392][ T3983] do_el0_svc+0x58/0x14c [ 48.293491][ T3983] el0_svc+0x7c/0x1f0 [ 48.294549][ T3983] el0t_64_sync_handler+0x84/0xe4 [ 48.295833][ T3983] el0t_64_sync+0x1a0/0x1a4 executing program [ 48.321686][ T3984] netlink: 'syz-executor180': attribute type 27 has an invalid length. executing program [ 48.339320][ T3985] netlink: 'syz-executor180': attribute type 27 has an invalid length. executing program [ 48.363898][ T3986] netlink: 'syz-executor180': attribute type 27 has an invalid length. executing program [ 48.388458][ T3987] netlink: 'syz-executor180': attribute type 27 has an invalid length. executing program [ 48.411878][ T3988] netlink: 'syz-executor180': attribute type 27 has an invalid length. executing program [ 48.430645][ T3989] netlink: 'syz-executor180': attribute type 27 has an invalid length. [ 48.437907][ C1] vxcan1: j1939_xtp_rx_dat: no tx connection found executing program [ 48.439658][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 48.448059][ T3990] netlink: 'syz-executor180': attribute type 27 has an invalid length. [ 48.455807][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 48.457537][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found executing program [ 48.460147][ C0] vxcan1: j1939_xtp_rx_dat_one: 0x00000000c70ce5ee: last 00 [ 48.467186][ C0] vxcan1: j1939_xtp_rx_dat_one: 0x0000000048f8e4b8: last 15 [ 48.473960][ C0] vxcan1: j1939_xtp_rx_abort_one: 0x00000000c70ce5ee: 0x00000: (5) Maximal retransmit request limit reached [ 48.476917][ C0] vxcan1: j1939_xtp_rx_abort_one: 0x0000000048f8e4b8: 0x00000: (5) Maximal retransmit request limit reached [ 48.476943][ C1] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 48.480734][ T3991] netlink: 'syz-executor180': attribute type 27 has an invalid length. [ 48.481558][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 48.485548][ C1] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 48.487226][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 48.489105][ C1] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 48.490788][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 48.492479][ C1] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 48.494255][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 48.495923][ C1] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 48.497631][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 48.499364][ C1] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 48.501049][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 48.502733][ C1] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 48.504375][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 48.506134][ C1] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 48.507817][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 48.509529][ C1] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 48.511170][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 48.512927][ C1] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 48.514551][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 48.516383][ C1] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 48.518146][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 48.519820][ C1] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 48.521492][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 48.523297][ C1] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 48.525045][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 48.526784][ C1] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 48.528665][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 48.530371][ C1] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 48.531991][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 48.533653][ C1] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 48.535348][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found executing program [ 53.471499][ T3992] netlink: 'syz-executor180': attribute type 27 has an invalid length. executing program [ 53.498555][ T3993] netlink: 'syz-executor180': attribute type 27 has an invalid length. executing program [ 53.520293][ T3994] netlink: 'syz-executor180': attribute type 27 has an invalid length. [ 53.527942][ C1] vxcan1: j1939_xtp_rx_dat: no tx connection found executing program [ 53.529693][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 53.543087][ T3995] netlink: 'syz-executor180': attribute type 27 has an invalid length. executing program [ 53.567719][ T3996] netlink: 'syz-executor180': attribute type 27 has an invalid length. executing program [ 53.589989][ T3997] netlink: 'syz-executor180': attribute type 27 has an invalid length. executing program [ 53.609839][ T3998] netlink: 'syz-executor180': attribute type 27 has an invalid length. [ 53.617151][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found executing program [ 53.629748][ T3999] netlink: 'syz-executor180': attribute type 27 has an invalid length. [ 53.637353][ C1] vxcan1: j1939_xtp_rx_dat: no tx connection found executing program [ 53.639142][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 53.642591][ C1] vxcan1: j1939_xtp_rx_dat_one: 0x00000000bd67298f: last 14 [ 53.649453][ C1] vxcan1: j1939_xtp_rx_dat_one: 0x000000007b565053: last 15 [ 53.654299][ C1] vxcan1: j1939_xtp_rx_abort_one: 0x00000000bd67298f: 0x00000: (5) Maximal retransmit request limit reached [ 53.657331][ C1] vxcan1: j1939_xtp_rx_abort_one: 0x000000007b565053: 0x00000: (5) Maximal retransmit request limit reached [ 53.657348][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 53.662031][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 53.662915][ T4000] netlink: 'syz-executor180': attribute type 27 has an invalid length. [ 53.663767][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 53.667520][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 53.669265][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 53.670915][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 53.672584][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 53.674256][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 53.675981][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 53.677779][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 53.679497][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 53.681130][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 53.683009][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 53.684646][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 53.686423][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 53.688200][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 53.689973][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 53.691631][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 53.693326][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 53.695038][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 53.696791][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 53.698555][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 53.700248][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 53.702003][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 53.703819][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 53.705583][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 53.707278][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 53.709018][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 53.710730][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 53.712498][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 53.714173][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 53.715815][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 53.717563][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 53.719246][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 53.721002][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 53.722604][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 53.724307][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 53.725949][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 53.727769][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 53.729448][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 53.731182][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 53.732862][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 53.734638][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 53.736290][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 53.738069][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 53.739794][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 53.741546][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 53.743321][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 53.745011][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 53.746665][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 53.748486][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 53.750124][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 53.751788][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 53.753444][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 53.755151][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 53.756834][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 53.758566][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 53.760155][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 53.761831][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 53.763505][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 53.765190][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 53.766903][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 53.768654][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 53.770319][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 53.771988][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 53.773679][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 53.775369][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 53.777095][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 53.778817][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 53.780528][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 53.782236][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 53.784091][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 53.785814][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 53.787658][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 53.789326][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 53.790955][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 53.792631][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 53.794327][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 53.795992][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 53.797696][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 53.799398][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 53.801094][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 53.802829][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 53.804566][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 53.806289][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 53.808042][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 53.809833][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 53.811581][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 53.813304][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 53.815065][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 53.816803][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 53.818572][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 53.820350][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 53.822164][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 53.823935][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 53.825712][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 53.827413][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 53.829138][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 53.830900][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 53.832536][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 53.834359][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 53.836047][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 53.837854][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 53.839521][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 53.841295][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 53.842976][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 53.844772][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 53.846454][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 53.848339][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 53.850112][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 53.851844][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 53.853566][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 53.855272][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 53.857034][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 53.858847][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 53.860576][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 53.862413][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 53.864207][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 53.865966][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 53.867702][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 53.869441][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 53.871255][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 53.872976][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 53.874708][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 53.876424][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 53.878211][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 53.879925][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 53.881624][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 53.883486][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 53.885189][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 53.886925][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 53.888644][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 53.890438][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 53.892130][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 53.893907][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 53.895681][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 53.897443][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 53.899308][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 53.901065][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 53.902814][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found