[ 45.877012][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 45.890845][ T10] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 45.899647][ T10] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 45.909642][ T137] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 46.049329][ T10] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 46.655690][ T3599] can: request_module (can-proto-0) failed. [ 46.675971][ T3599] can: request_module (can-proto-0) failed. [ 46.694918][ T3599] can: request_module (can-proto-0) failed. [ 48.949167][ T10] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 49.141460][ T3605] syz-executor.0 (3605) used greatest stack depth: 23112 bytes left [ 51.462937][ T10] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 51.514758][ T10] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 52.402021][ T10] device hsr_slave_0 left promiscuous mode [ 52.409492][ T10] device hsr_slave_1 left promiscuous mode [ 52.416876][ T10] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 52.426622][ T10] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 52.438220][ T10] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 52.446436][ T10] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 52.457391][ T10] device bridge_slave_1 left promiscuous mode [ 52.464903][ T10] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.482104][ T10] device bridge_slave_0 left promiscuous mode [ 52.490492][ T10] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.510651][ T10] device veth1_macvtap left promiscuous mode [ 52.516980][ T10] device veth0_macvtap left promiscuous mode [ 52.524477][ T10] device veth1_vlan left promiscuous mode [ 52.531825][ T10] device veth0_vlan left promiscuous mode [ 52.700891][ T10] team0 (unregistering): Port device team_slave_1 removed [ 52.715606][ T10] team0 (unregistering): Port device team_slave_0 removed [ 52.730162][ T10] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 52.743486][ T10] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 52.789377][ T10] bond0 (unregistering): Released all slaves [ 52.912362][ T10] leaked reference. [ 52.916435][ T10] ethnl_default_notify+0x11c/0x560 [ 52.921732][ T10] ethnl_netdev_event+0x30/0x40 [ 52.926584][ T10] notifier_call_chain+0x94/0x170 [ 52.931615][ T10] netdev_update_features+0xa3/0xb0 [ 52.936813][ T10] hsr_add_port+0x3a1/0x670 [ 52.941403][ T10] hsr_dev_finalize+0x439/0x700 [ 52.946258][ T10] hsr_newlink+0x29b/0x660 [ 52.950679][ T10] __rtnl_newlink+0xd16/0x13e0 [ 52.955543][ T10] rtnl_newlink+0x5a/0x90 [ 52.959876][ T10] rtnetlink_rcv_msg+0x31d/0x8d0 [ 52.964825][ T10] netlink_rcv_skb+0x118/0x370 [ 52.969590][ T10] netlink_unicast+0x42e/0x700 [ 52.974352][ T10] netlink_sendmsg+0x775/0xc10 [ 52.979119][ T10] sock_sendmsg+0xab/0xe0 [ 52.983447][ T10] __sys_sendto+0x1a4/0x270 [ 52.988199][ T10] __x64_sys_sendto+0xd8/0x1b0 [ 52.996893][ T10] ------------[ cut here ]------------ [ 53.003622][ T10] WARNING: CPU: 1 PID: 10 at lib/ref_tracker.c:38 ref_tracker_dir_exit.cold+0x163/0x1b4 [ 53.014944][ T10] Modules linked in: [ 53.019474][ T10] CPU: 1 PID: 10 Comm: kworker/u4:1 Not tainted 5.16.0-rc3-syzkaller #0 [ 53.027906][ T10] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.039678][ T10] Workqueue: netns cleanup_net [ 53.044469][ T10] RIP: 0010:ref_tracker_dir_exit.cold+0x163/0x1b4 [ 53.051345][ T10] Code: c1 e8 03 80 3c 18 00 74 08 4c 89 e7 e8 bd 66 60 f9 4d 39 f4 49 8b 04 24 4d 89 e7 75 3f 48 8b 74 24 08 48 89 ef e8 34 8e 33 00 <0f> 0b e9 57 8c 62 fb 4c 89 ff e8 95 66 60 f9 e9 a3 fe ff ff e8 7b [ 53.072875][ T10] RSP: 0018:ffffc90000cf79c0 EFLAGS: 00010246 [ 53.079244][ T10] RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000000 [ 53.087394][ T10] RDX: 0000000000000001 RSI: ffffffff88cb5680 RDI: 0000000000000001 [ 53.096945][ T10] RBP: ffff88802113a5b8 R08: 0000000000000001 R09: ffffffff8ee6ea0f [ 53.106145][ T10] R10: 0000000000000001 R11: 000000000007a08a R12: ffff88802113a600 [ 53.115638][ T10] R13: ffff88802113a600 R14: ffff88802113a600 R15: ffff88802113a600 [ 53.123954][ T10] FS: 0000000000000000(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000 [ 53.134438][ T10] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.141311][ T10] CR2: 00007f4c9f9d3ff8 CR3: 000000007e85c000 CR4: 00000000003506e0 [ 53.150832][ T10] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 53.159075][ T10] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 53.167061][ T10] Call Trace: [ 53.171943][ T10] [ 53.174901][ T10] free_netdev+0x293/0x4f0 [ 53.179671][ T10] netdev_run_todo+0x74c/0x930 [ 53.184448][ T10] ? generic_xdp_install+0x3c0/0x3c0 [ 53.191550][ T10] ? default_device_exit+0x270/0x270 [ 53.196846][ T10] ? unregister_netdevice_queue+0x13d/0x330 [ 53.203400][ T10] ? unregister_netdevice_many+0x1600/0x1600 [ 53.213549][ T10] ? br_dev_delete+0x104/0x190 [ 53.218667][ T10] default_device_exit_batch+0x2aa/0x360 [ 53.224328][ T10] ? unregister_netdev+0x20/0x20 [ 53.230857][ T10] ? default_device_exit+0x1e0/0x270 [ 53.236308][ T10] ? __init_waitqueue_head+0xd0/0xd0 [ 53.242117][ T10] ? ops_exit_list+0x8c/0x140 [ 53.246813][ T10] cleanup_net+0x423/0x980 [ 53.252789][ T10] ? unregister_pernet_device+0x60/0x60 [ 53.258634][ T10] process_one_work+0x87f/0x1450 [ 53.263591][ T10] ? lock_release+0x720/0x720 [ 53.268613][ T10] ? pwq_dec_nr_in_flight+0x230/0x230 [ 53.274273][ T10] ? rwlock_bug.part.0+0x90/0x90 [ 53.281574][ T10] ? _raw_spin_lock_irq+0x41/0x50 [ 53.286628][ T10] worker_thread+0x598/0x1040 [ 53.291762][ T10] ? process_one_work+0x1450/0x1450 [ 53.297107][ T10] kthread+0x3ab/0x480 [ 53.314452][ T10] ? _raw_spin_unlock_irq+0x1f/0x40 [ 53.327506][ T10] ? set_kthread_struct+0x100/0x100 [ 53.334434][ T10] ret_from_fork+0x1f/0x30 [ 53.339164][ T10] [ 53.342193][ T10] Kernel panic - not syncing: panic_on_warn set ... [ 53.348781][ T10] CPU: 1 PID: 10 Comm: kworker/u4:1 Not tainted 5.16.0-rc3-syzkaller #0 [ 53.357098][ T10] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.367153][ T10] Workqueue: netns cleanup_net [ 53.372031][ T10] Call Trace: [ 53.375408][ T10] [ 53.378348][ T10] dump_stack_lvl+0x57/0x7d [ 53.382860][ T10] panic+0x214/0x49f [ 53.386757][ T10] ? __warn_printk+0xee/0xee [ 53.391369][ T10] ? ref_tracker_dir_exit.cold+0x163/0x1b4 [ 53.397173][ T10] __warn.cold+0x2b/0x35 [ 53.401424][ T10] ? ref_tracker_dir_exit.cold+0x163/0x1b4 [ 53.407245][ T10] report_bug+0x15a/0x1b0 [ 53.411576][ T10] handle_bug+0x3c/0x60 [ 53.415731][ T10] exc_invalid_op+0x14/0x40 [ 53.420237][ T10] asm_exc_invalid_op+0x12/0x20 [ 53.425195][ T10] RIP: 0010:ref_tracker_dir_exit.cold+0x163/0x1b4 [ 53.431611][ T10] Code: c1 e8 03 80 3c 18 00 74 08 4c 89 e7 e8 bd 66 60 f9 4d 39 f4 49 8b 04 24 4d 89 e7 75 3f 48 8b 74 24 08 48 89 ef e8 34 8e 33 00 <0f> 0b e9 57 8c 62 fb 4c 89 ff e8 95 66 60 f9 e9 a3 fe ff ff e8 7b [ 53.451213][ T10] RSP: 0018:ffffc90000cf79c0 EFLAGS: 00010246 [ 53.457287][ T10] RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000000 [ 53.465256][ T10] RDX: 0000000000000001 RSI: ffffffff88cb5680 RDI: 0000000000000001 [ 53.473260][ T10] RBP: ffff88802113a5b8 R08: 0000000000000001 R09: ffffffff8ee6ea0f [ 53.481319][ T10] R10: 0000000000000001 R11: 000000000007a08a R12: ffff88802113a600 [ 53.489426][ T10] R13: ffff88802113a600 R14: ffff88802113a600 R15: ffff88802113a600 [ 53.497429][ T10] free_netdev+0x293/0x4f0 [ 53.501947][ T10] netdev_run_todo+0x74c/0x930 [ 53.506724][ T10] ? generic_xdp_install+0x3c0/0x3c0 [ 53.512017][ T10] ? default_device_exit+0x270/0x270 [ 53.517512][ T10] ? unregister_netdevice_queue+0x13d/0x330 [ 53.523839][ T10] ? unregister_netdevice_many+0x1600/0x1600 [ 53.529973][ T10] ? br_dev_delete+0x104/0x190 [ 53.534830][ T10] default_device_exit_batch+0x2aa/0x360 [ 53.540565][ T10] ? unregister_netdev+0x20/0x20 [ 53.545501][ T10] ? default_device_exit+0x1e0/0x270 [ 53.551050][ T10] ? __init_waitqueue_head+0xd0/0xd0 [ 53.556352][ T10] ? ops_exit_list+0x8c/0x140 [ 53.561041][ T10] cleanup_net+0x423/0x980 [ 53.565480][ T10] ? unregister_pernet_device+0x60/0x60 [ 53.571129][ T10] process_one_work+0x87f/0x1450 [ 53.576084][ T10] ? lock_release+0x720/0x720 [ 53.580758][ T10] ? pwq_dec_nr_in_flight+0x230/0x230 [ 53.586138][ T10] ? rwlock_bug.part.0+0x90/0x90 [ 53.591173][ T10] ? _raw_spin_lock_irq+0x41/0x50 [ 53.596213][ T10] worker_thread+0x598/0x1040 [ 53.600906][ T10] ? process_one_work+0x1450/0x1450 [ 53.606110][ T10] kthread+0x3ab/0x480 [ 53.610230][ T10] ? _raw_spin_unlock_irq+0x1f/0x40 [ 53.615424][ T10] ? set_kthread_struct+0x100/0x100 [ 53.620628][ T10] ret_from_fork+0x1f/0x30 [ 53.625106][ T10] [ 53.628658][ T10] Kernel Offset: disabled [ 53.633368][ T10] Rebooting in 86400 seconds..