Warning: Permanently added '10.128.1.160' (ED25519) to the list of known hosts. [ 407.512837][T28146] chnl_net:caif_netlink_parms(): no params data found [ 408.170810][T28146] 8021q: adding VLAN 0 to HW filter on device bond0 [ 408.618050][T28146] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 409.495543][ C0] [ 409.497883][ C0] ====================================================== [ 409.505132][ C0] WARNING: possible circular locking dependency detected [ 409.512226][ C0] 6.5.0-rc4-syzkaller #0 Not tainted [ 409.517574][ C0] ------------------------------------------------------ [ 409.524566][ C0] ksoftirqd/0/15 is trying to acquire lock: [ 409.530695][ C0] ffff88810ebeb088 (&priv->active_session_list_lock){+.-.}-{2:2}, at: j1939_session_activate+0x2a/0x130 [ 409.541960][ C0] [ 409.541960][ C0] but task is already holding lock: [ 409.549385][ C0] ffff8881116ae5c8 (&jsk->sk_session_queue_lock){+.-.}-{2:2}, at: j1939_sk_queue_activate_next+0x2d/0x170 [ 409.560747][ C0] [ 409.560747][ C0] which lock already depends on the new lock. [ 409.560747][ C0] [ 409.571208][ C0] [ 409.571208][ C0] the existing dependency chain (in reverse order) is: [ 409.580549][ C0] [ 409.580549][ C0] -> #2 (&jsk->sk_session_queue_lock){+.-.}-{2:2}: [ 409.591190][ C0] _raw_spin_lock_bh+0x33/0x40 [ 409.597839][ C0] j1939_sk_queue_drop_all+0x2b/0xd0 [ 409.603788][ C0] j1939_sk_netdev_event_netdown+0x48/0x90 [ 409.610168][ C0] j1939_netdev_notify+0x112/0x160 [ 409.615867][ C0] notifier_call_chain+0x40/0xf0 [ 409.621553][ C0] __dev_notify_flags+0xdc/0x190 [ 409.626996][ C0] dev_change_flags+0x4f/0x60 [ 409.632338][ C0] do_setlink+0x36a/0x1320 [ 409.637326][ C0] __rtnl_newlink+0x62f/0x9c0 [ 409.642533][ C0] rtnl_newlink+0x42/0x60 [ 409.647384][ C0] rtnetlink_rcv_msg+0x164/0x590 [ 409.652813][ C0] netlink_rcv_skb+0x53/0x100 [ 409.657991][ C0] netlink_unicast+0x1b3/0x290 [ 409.663258][ C0] netlink_sendmsg+0x25b/0x4d0 [ 409.668769][ C0] sock_sendmsg+0x37/0x70 [ 409.673623][ C0] ____sys_sendmsg+0x25f/0x290 [ 409.678961][ C0] ___sys_sendmsg+0x95/0xe0 [ 409.684136][ C0] __sys_sendmsg+0x75/0xc0 [ 409.689054][ C0] do_syscall_64+0x38/0xb0 [ 409.693974][ C0] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 409.701778][ C0] [ 409.701778][ C0] -> #1 (&priv->j1939_socks_lock){+.-.}-{2:2}: [ 409.710092][ C0] _raw_spin_lock_bh+0x33/0x40 [ 409.715358][ C0] j1939_sk_errqueue+0x4d/0xb0 [ 409.720617][ C0] j1939_session_destroy+0x9e/0x150 [ 409.726313][ C0] j1939_session_deactivate_locked+0x9f/0xb0 [ 409.732973][ C0] j1939_cancel_active_session+0x99/0x140 [ 409.739294][ C0] j1939_netdev_notify+0x10a/0x160 [ 409.744987][ C0] notifier_call_chain+0x40/0xf0 [ 409.750418][ C0] __dev_notify_flags+0xdc/0x190 [ 409.755849][ C0] dev_change_flags+0x4f/0x60 [ 409.761186][ C0] do_setlink+0x36a/0x1320 [ 409.766176][ C0] __rtnl_newlink+0x62f/0x9c0 [ 409.771340][ C0] rtnl_newlink+0x42/0x60 [ 409.776157][ C0] rtnetlink_rcv_msg+0x164/0x590 [ 409.781843][ C0] netlink_rcv_skb+0x53/0x100 [ 409.787195][ C0] netlink_unicast+0x1b3/0x290 [ 409.792486][ C0] netlink_sendmsg+0x25b/0x4d0 [ 409.797828][ C0] sock_sendmsg+0x37/0x70 [ 409.802645][ C0] ____sys_sendmsg+0x25f/0x290 [ 409.807906][ C0] ___sys_sendmsg+0x95/0xe0 [ 409.812905][ C0] __sys_sendmsg+0x75/0xc0 [ 409.817900][ C0] do_syscall_64+0x38/0xb0 [ 409.822899][ C0] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 409.829704][ C0] [ 409.829704][ C0] -> #0 (&priv->active_session_list_lock){+.-.}-{2:2}: [ 409.838781][ C0] __lock_acquire+0x12e6/0x1d00 [ 409.844121][ C0] lock_acquire+0xcd/0x2d0 [ 409.849022][ C0] _raw_spin_lock_bh+0x33/0x40 [ 409.854270][ C0] j1939_session_activate+0x2a/0x130 [ 409.860132][ C0] j1939_sk_queue_activate_next+0x10d/0x170 [ 409.866509][ C0] j1939_xtp_rx_eoma+0xbf/0x1a0 [ 409.871860][ C0] j1939_tp_recv+0x229/0x4a0 [ 409.876955][ C0] j1939_can_recv+0x19b/0x280 [ 409.882164][ C0] can_rcv_filter+0x79/0x190 [ 409.887332][ C0] can_receive+0xc2/0x1b0 [ 409.892156][ C0] can_rcv+0x5d/0x80 [ 409.896643][ C0] __netif_receive_skb_one_core+0x4f/0x70 [ 409.902870][ C0] process_backlog+0x6e/0x250 [ 409.908044][ C0] __napi_poll.constprop.0+0x20/0x1c0 [ 409.913997][ C0] net_rx_action+0x2cd/0x3c0 [ 409.919117][ C0] __do_softirq+0x167/0x427 [ 409.924113][ C0] run_ksoftirqd+0x31/0x50 [ 409.929015][ C0] smpboot_thread_fn+0x175/0x210 [ 409.934542][ C0] kthread+0xde/0x110 [ 409.939273][ C0] ret_from_fork+0x2c/0x40 [ 409.944180][ C0] ret_from_fork_asm+0x11/0x20 [ 409.949539][ C0] [ 409.949539][ C0] other info that might help us debug this: [ 409.949539][ C0] [ 409.959766][ C0] Chain exists of: [ 409.959766][ C0] &priv->active_session_list_lock --> &priv->j1939_socks_lock --> &jsk->sk_session_queue_lock [ 409.959766][ C0] [ 409.977096][ C0] Possible unsafe locking scenario: [ 409.977096][ C0] [ 409.984602][ C0] CPU0 CPU1 [ 409.990548][ C0] ---- ---- [ 409.996185][ C0] lock(&jsk->sk_session_queue_lock); [ 410.001619][ C0] lock(&priv->j1939_socks_lock); [ 410.009217][ C0] lock(&jsk->sk_session_queue_lock); [ 410.017162][ C0] lock(&priv->active_session_list_lock); [ 410.022937][ C0] [ 410.022937][ C0] *** DEADLOCK *** [ 410.022937][ C0] [ 410.031054][ C0] 3 locks held by ksoftirqd/0/15: [ 410.036307][ C0] #0: ffffffff83d81900 (rcu_read_lock){....}-{1:2}, at: process_backlog+0xc0/0x250 [ 410.045647][ C0] #1: ffffffff83d81900 (rcu_read_lock){....}-{1:2}, at: can_receive+0x57/0x1b0 [ 410.054648][ C0] #2: ffff8881116ae5c8 (&jsk->sk_session_queue_lock){+.-.}-{2:2}, at: j1939_sk_queue_activate_next+0x2d/0x170 [ 410.066428][ C0] [ 410.066428][ C0] stack backtrace: [ 410.072287][ C0] CPU: 0 PID: 15 Comm: ksoftirqd/0 Not tainted 6.5.0-rc4-syzkaller #0 [ 410.080838][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 410.090930][ C0] Call Trace: [ 410.094188][ C0] [ 410.097096][ C0] dump_stack_lvl+0x5c/0xb0 [ 410.101707][ C0] check_noncircular+0x116/0x130 [ 410.106617][ C0] __lock_acquire+0x12e6/0x1d00 [ 410.111436][ C0] ? __lock_acquire+0x1041/0x1d00 [ 410.116428][ C0] lock_acquire+0xcd/0x2d0 [ 410.120817][ C0] ? j1939_session_activate+0x2a/0x130 [ 410.126244][ C0] ? lock_acquire+0xcd/0x2d0 [ 410.130799][ C0] _raw_spin_lock_bh+0x33/0x40 [ 410.135620][ C0] ? j1939_session_activate+0x2a/0x130 [ 410.141054][ C0] j1939_session_activate+0x2a/0x130 [ 410.146749][ C0] j1939_sk_queue_activate_next+0x10d/0x170 [ 410.152609][ C0] j1939_xtp_rx_eoma+0xbf/0x1a0 [ 410.157427][ C0] j1939_tp_recv+0x229/0x4a0 [ 410.161983][ C0] j1939_can_recv+0x19b/0x280 [ 410.166632][ C0] can_rcv_filter+0x79/0x190 [ 410.171191][ C0] can_receive+0xc2/0x1b0 [ 410.175677][ C0] can_rcv+0x5d/0x80 [ 410.179641][ C0] __netif_receive_skb_one_core+0x4f/0x70 [ 410.185331][ C0] process_backlog+0x6e/0x250 [ 410.189975][ C0] __napi_poll.constprop.0+0x20/0x1c0 [ 410.195318][ C0] net_rx_action+0x2cd/0x3c0 [ 410.199882][ C0] __do_softirq+0x167/0x427 [ 410.204357][ C0] ? sort_range+0x20/0x20 [ 410.208655][ C0] run_ksoftirqd+0x31/0x50 [ 410.213043][ C0] smpboot_thread_fn+0x175/0x210 [ 410.217948][ C0] kthread+0xde/0x110 [ 410.221921][ C0] ? kthread_complete_and_exit+0x20/0x20 [ 410.227629][ C0] ret_from_fork+0x2c/0x40 [ 410.232014][ C0] ? kthread_complete_and_exit+0x20/0x20 [ 410.238481][ C0] ret_from_fork_asm+0x11/0x20 [ 410.243213][ C0] tun: can't open /dev/net/tun: please enable CONFIG_TUN=y otherwise fuzzing or reproducing might not work as intended [ 410.526875][ C0] vxcan0: j1939_xtp_rx_dat: no tx connection found [ 410.526936][T28146] net_ratelimit: 204 callbacks suppressed [ 410.526939][T28146] A link change request failed with some changes committed already. Interface vxcan0 may have been left with an inconsistent configuration, please check. [ 410.533473][ C0] vxcan0: j1939_xtp_rx_dat: no rx connection found [ 410.561442][ C0] vxcan0: j1939_xtp_rx_dat: no tx connection found [ 410.568503][ C0] vxcan0: j1939_xtp_rx_dat: no rx connection found [ 410.575011][ C0] vxcan0: j1939_xtp_rx_dat: no tx connection found [ 410.581593][ C0] vxcan0: j1939_xtp_rx_dat: no rx connection found [ 410.588144][ C0] vxcan0: j1939_xtp_rx_dat: no tx connection found [ 410.594794][ C0] vxcan0: j1939_xtp_rx_dat: no rx connection found [ 410.601573][ C0] vxcan0: j1939_xtp_rx_dat: no tx connection found [ 410.608058][ C0] vxcan0: j1939_xtp_rx_dat: no rx connection found [ 410.614548][ C0] vxcan0: j1939_xtp_rx_dat: no tx connection found [ 410.621044][ C0] vxcan0: j1939_xtp_rx_dat: no rx connection found [ 410.627543][ C0] vxcan0: j1939_xtp_rx_dat: no tx connection found [ 410.634017][ C0] vxcan0: j1939_xtp_rx_dat: no rx connection found [ 410.640546][ C0] vxcan0: j1939_xtp_rx_dat: no tx connection found [ 410.647043][ C0] vxcan0: j1939_xtp_rx_dat: no rx connection found [ 410.653727][ C0] vxcan0: j1939_xtp_rx_dat: no tx connection found [ 410.660324][ C0] vxcan0: j1939_xtp_rx_dat: no rx connection found [ 410.666813][ C0] vxcan0: j1939_xtp_rx_dat: no tx connection found [ 410.673282][ C0] vxcan0: j1939_xtp_rx_dat: no rx connection found [ 410.679800][ C0] vxcan0: j1939_xtp_rx_dat: no tx connection found [ 410.686283][ C0] vxcan0: j1939_xtp_rx_dat: no rx connection found [ 410.692781][ C0] vxcan0: j1939_xtp_rx_dat: no tx connection found [ 410.699439][ C0] vxcan0: j1939_xtp_rx_dat: no rx connection found [ 410.705928][ C0] vxcan0: j1939_xtp_rx_dat: no tx connection found [ 410.712415][ C0] vxcan0: j1939_xtp_rx_dat: no rx connection found [ 410.718982][ C0] vxcan0: j1939_xtp_rx_dat: no tx connection found [ 410.725541][ C0] vxcan0: j1939_xtp_rx_dat: no rx connection found [ 410.732148][ C0] vxcan0: j1939_xtp_rx_dat: no tx connection found [ 410.738823][ C0] vxcan0: j1939_xtp_rx_dat: no rx connection found [ 410.745306][ C0] vxcan0: j1939_xtp_rx_dat: no tx connection found [ 410.751800][ C0] vxcan0: j1939_xtp_rx_dat: no rx connection found [ 410.758393][ C0] vxcan0: j1939_xtp_rx_dat: no tx connection found [ 410.764885][ C0] vxcan0: j1939_xtp_rx_dat: no rx connection found [ 410.771375][ C0] vxcan0: j1939_xtp_rx_dat: no tx connection found [ 410.777866][ C0] vxcan0: j1939_xtp_rx_dat: no rx connection found [ 410.784364][ C0] vxcan0: j1939_xtp_rx_dat: no tx connection found [ 410.790939][ C0] vxcan0: j1939_xtp_rx_dat: no rx connection found [ 410.797500][ C0] vxcan0: j1939_xtp_rx_dat: no tx connection found [ 410.804527][ C0] vxcan0: j1939_xtp_rx_dat: no rx connection found [ 410.811148][ C0] vxcan0: j1939_xtp_rx_dat: no tx connection found [ 410.817628][ C0] vxcan0: j1939_xtp_rx_dat: no rx connection found [ 410.824123][ C0] vxcan0: j1939_xtp_rx_dat: no tx connection found [ 410.831334][ C0] vxcan0: j1939_xtp_rx_dat: no rx connection found [ 410.837963][ C0] vxcan0: j1939_xtp_rx_dat: no tx connection found [ 410.844465][ C0] vxcan0: j1939_xtp_rx_dat: no rx connection found [ 410.850999][ C0] vxcan0: j1939_xtp_rx_dat: no tx connection found [ 410.857496][ C0] vxcan0: j1939_xtp_rx_dat: no rx connection found [ 410.864187][ C0] vxcan0: j1939_xtp_rx_dat: no tx connection found [ 410.870762][ C0] vxcan0: j1939_xtp_rx_dat: no rx connection found [ 410.877683][ C0] vxcan0: j1939_xtp_rx_dat: no tx connection found [ 410.884143][ C0] vxcan0: j1939_xtp_rx_dat: no rx connection found [ 410.891029][ C0] vxcan0: j1939_xtp_rx_dat: no tx connection found [ 410.897510][ C0] vxcan0: j1939_xtp_rx_dat: no rx connection found [ 410.903991][ C0] vxcan0: j1939_xtp_rx_dat: no tx connection found [ 410.910469][ C0] vxcan0: j1939_xtp_rx_dat: no rx connection found [ 410.916951][ C0] vxcan0: j1939_xtp_rx_dat: no tx connection found [ 410.923511][ C0] vxcan0: j1939_xtp_rx_dat: no rx connection found [ 410.930013][ C0] vxcan0: j1939_xtp_rx_dat: no tx connection found [ 410.936491][ C0] vxcan0: j1939_xtp_rx_dat: no rx connection found [ 410.942971][ C0] vxcan0: j1939_xtp_rx_dat: no tx connection found [ 410.949450][ C0] vxcan0: j1939_xtp_rx_dat: no rx connection found [ 410.955928][ C0] vxcan0: j1939_xtp_rx_dat: no tx connection found [ 410.962693][ C0] vxcan0: j1939_xtp_rx_dat: no rx connection found [ 410.969189][ C0] vxcan0: j1939_xtp_rx_dat: no tx connection found [ 410.975845][ C0] vxcan0: j1939_