[ 45.272257][ T241] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 45.281679][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 45.282184][ T1294] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 45.297051][ T1294] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 45.306096][ T3625] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 45.462293][ T1294] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 45.989282][ T3609] can: request_module (can-proto-0) failed. [ 46.007255][ T3609] can: request_module (can-proto-0) failed. [ 46.024261][ T3609] can: request_module (can-proto-0) failed. [ 48.252924][ T1294] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 50.764629][ T1294] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 50.816559][ T1294] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 51.618420][ T1294] device hsr_slave_0 left promiscuous mode [ 51.624965][ T1294] device hsr_slave_1 left promiscuous mode [ 51.631543][ T1294] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 51.639123][ T1294] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 51.650567][ T1294] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 51.657947][ T1294] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 51.668317][ T1294] device bridge_slave_1 left promiscuous mode [ 51.675594][ T1294] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.691269][ T1294] device bridge_slave_0 left promiscuous mode [ 51.697454][ T1294] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.717401][ T1294] device veth1_macvtap left promiscuous mode [ 51.723911][ T1294] device veth0_macvtap left promiscuous mode [ 51.732124][ T1294] device veth1_vlan left promiscuous mode [ 51.738338][ T1294] device veth0_vlan left promiscuous mode [ 51.939593][ T1294] team0 (unregistering): Port device team_slave_1 removed [ 51.956026][ T1294] team0 (unregistering): Port device team_slave_0 removed [ 51.967689][ T1294] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 51.981527][ T1294] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 52.024871][ T1294] bond0 (unregistering): Released all slaves [ 52.112357][ T1294] leaked reference. [ 52.116427][ T1294] ethnl_default_notify+0x11c/0x560 [ 52.121608][ T1294] ethnl_netdev_event+0x30/0x40 [ 52.126453][ T1294] notifier_call_chain+0x94/0x170 [ 52.131471][ T1294] netdev_update_features+0xa3/0xb0 [ 52.136666][ T1294] hsr_add_port+0x3a1/0x670 [ 52.141170][ T1294] hsr_dev_finalize+0x439/0x700 [ 52.146011][ T1294] hsr_newlink+0x29b/0x660 [ 52.150423][ T1294] __rtnl_newlink+0xd16/0x13e0 [ 52.155181][ T1294] rtnl_newlink+0x5a/0x90 [ 52.159506][ T1294] rtnetlink_rcv_msg+0x31d/0x8d0 [ 52.164440][ T1294] netlink_rcv_skb+0x118/0x370 [ 52.169197][ T1294] netlink_unicast+0x42e/0x700 [ 52.173953][ T1294] netlink_sendmsg+0x775/0xc10 [ 52.178706][ T1294] sock_sendmsg+0xab/0xe0 [ 52.183027][ T1294] __sys_sendto+0x1a4/0x270 [ 52.187511][ T1294] __x64_sys_sendto+0xd8/0x1b0 [ 52.194113][ T1294] ------------[ cut here ]------------ [ 52.199806][ T1294] WARNING: CPU: 1 PID: 1294 at lib/ref_tracker.c:38 ref_tracker_dir_exit.cold+0x163/0x1b4 [ 52.210339][ T1294] Modules linked in: [ 52.214247][ T1294] CPU: 0 PID: 1294 Comm: kworker/u4:6 Not tainted 5.16.0-rc3-syzkaller #0 [ 52.225736][ T1294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.236110][ T1294] Workqueue: netns cleanup_net [ 52.242342][ T1294] RIP: 0010:ref_tracker_dir_exit.cold+0x163/0x1b4 [ 52.248768][ T1294] 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 [ 52.270006][ T1294] RSP: 0018:ffffc900056c79c0 EFLAGS: 00010246 [ 52.276089][ T1294] RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000000 [ 52.285688][ T1294] RDX: 0000000000000001 RSI: ffffffff88cb5680 RDI: 0000000000000001 [ 52.294038][ T1294] RBP: ffff88801e9045b8 R08: 0000000000000001 R09: ffffffff8ee6ea0f [ 52.305121][ T1294] R10: 0000000000000001 R11: 000000000007a08a R12: ffff88801e904600 [ 52.313604][ T1294] R13: ffff88801e904600 R14: ffff88801e904600 R15: ffff88801e904600 [ 52.323376][ T1294] FS: 0000000000000000(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000 [ 52.333272][ T1294] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.341399][ T1294] CR2: 0000556083f7d950 CR3: 0000000021347000 CR4: 00000000003506f0 [ 52.349380][ T1294] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 52.357712][ T1294] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 52.367246][ T1294] Call Trace: [ 52.370812][ T1294] [ 52.373756][ T1294] free_netdev+0x293/0x4f0 [ 52.378174][ T1294] netdev_run_todo+0x74c/0x930 [ 52.384541][ T1294] ? generic_xdp_install+0x3c0/0x3c0 [ 52.389837][ T1294] ? default_device_exit+0x270/0x270 [ 52.395526][ T1294] ? unregister_netdevice_queue+0x13d/0x330 [ 52.402876][ T1294] ? unregister_netdevice_many+0x1600/0x1600 [ 52.408866][ T1294] ? br_dev_delete+0x104/0x190 [ 52.413998][ T1294] default_device_exit_batch+0x2aa/0x360 [ 52.419632][ T1294] ? unregister_netdev+0x20/0x20 [ 52.426105][ T1294] ? default_device_exit+0x1e0/0x270 [ 52.431935][ T1294] ? __init_waitqueue_head+0xd0/0xd0 [ 52.437227][ T1294] ? ops_exit_list+0x8c/0x140 [ 52.443556][ T1294] cleanup_net+0x423/0x980 [ 52.447984][ T1294] ? unregister_pernet_device+0x60/0x60 [ 52.453840][ T1294] process_one_work+0x87f/0x1450 [ 52.458789][ T1294] ? lock_release+0x720/0x720 [ 52.465591][ T1294] ? pwq_dec_nr_in_flight+0x230/0x230 [ 52.471318][ T1294] ? rwlock_bug.part.0+0x90/0x90 [ 52.476260][ T1294] ? _raw_spin_lock_irq+0x41/0x50 [ 52.482819][ T1294] worker_thread+0x598/0x1040 [ 52.487514][ T1294] ? process_one_work+0x1450/0x1450 [ 52.493026][ T1294] kthread+0x3ab/0x480 [ 52.501111][ T1294] ? _raw_spin_unlock_irq+0x1f/0x40 [ 52.506319][ T1294] ? set_kthread_struct+0x100/0x100 [ 52.512085][ T1294] ret_from_fork+0x1f/0x30 [ 52.516651][ T1294] [ 52.519664][ T1294] Kernel panic - not syncing: panic_on_warn set ... [ 52.526234][ T1294] CPU: 1 PID: 1294 Comm: kworker/u4:6 Not tainted 5.16.0-rc3-syzkaller #0 [ 52.534721][ T1294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.544762][ T1294] Workqueue: netns cleanup_net [ 52.549520][ T1294] Call Trace: [ 52.552791][ T1294] [ 52.555714][ T1294] dump_stack_lvl+0x57/0x7d [ 52.560212][ T1294] panic+0x214/0x49f [ 52.564185][ T1294] ? __warn_printk+0xee/0xee [ 52.568781][ T1294] ? ref_tracker_dir_exit.cold+0x163/0x1b4 [ 52.574580][ T1294] __warn.cold+0x2b/0x35 [ 52.578819][ T1294] ? ref_tracker_dir_exit.cold+0x163/0x1b4 [ 52.584617][ T1294] report_bug+0x15a/0x1b0 [ 52.588940][ T1294] handle_bug+0x3c/0x60 [ 52.593082][ T1294] exc_invalid_op+0x14/0x40 [ 52.597563][ T1294] asm_exc_invalid_op+0x12/0x20 [ 52.602388][ T1294] RIP: 0010:ref_tracker_dir_exit.cold+0x163/0x1b4 [ 52.608781][ T1294] 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 [ 52.628362][ T1294] RSP: 0018:ffffc900056c79c0 EFLAGS: 00010246 [ 52.634405][ T1294] RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000000 [ 52.642352][ T1294] RDX: 0000000000000001 RSI: ffffffff88cb5680 RDI: 0000000000000001 [ 52.650295][ T1294] RBP: ffff88801e9045b8 R08: 0000000000000001 R09: ffffffff8ee6ea0f [ 52.658237][ T1294] R10: 0000000000000001 R11: 000000000007a08a R12: ffff88801e904600 [ 52.666180][ T1294] R13: ffff88801e904600 R14: ffff88801e904600 R15: ffff88801e904600 [ 52.674144][ T1294] free_netdev+0x293/0x4f0 [ 52.678540][ T1294] netdev_run_todo+0x74c/0x930 [ 52.683283][ T1294] ? generic_xdp_install+0x3c0/0x3c0 [ 52.688539][ T1294] ? default_device_exit+0x270/0x270 [ 52.693794][ T1294] ? unregister_netdevice_queue+0x13d/0x330 [ 52.699656][ T1294] ? unregister_netdevice_many+0x1600/0x1600 [ 52.705607][ T1294] ? br_dev_delete+0x104/0x190 [ 52.710351][ T1294] default_device_exit_batch+0x2aa/0x360 [ 52.716042][ T1294] ? unregister_netdev+0x20/0x20 [ 52.720950][ T1294] ? default_device_exit+0x1e0/0x270 [ 52.726213][ T1294] ? __init_waitqueue_head+0xd0/0xd0 [ 52.731562][ T1294] ? ops_exit_list+0x8c/0x140 [ 52.736215][ T1294] cleanup_net+0x423/0x980 [ 52.740607][ T1294] ? unregister_pernet_device+0x60/0x60 [ 52.746128][ T1294] process_one_work+0x87f/0x1450 [ 52.751042][ T1294] ? lock_release+0x720/0x720 [ 52.755693][ T1294] ? pwq_dec_nr_in_flight+0x230/0x230 [ 52.761043][ T1294] ? rwlock_bug.part.0+0x90/0x90 [ 52.765952][ T1294] ? _raw_spin_lock_irq+0x41/0x50 [ 52.770951][ T1294] worker_thread+0x598/0x1040 [ 52.775612][ T1294] ? process_one_work+0x1450/0x1450 [ 52.780783][ T1294] kthread+0x3ab/0x480 [ 52.784823][ T1294] ? _raw_spin_unlock_irq+0x1f/0x40 [ 52.789991][ T1294] ? set_kthread_struct+0x100/0x100 [ 52.795161][ T1294] ret_from_fork+0x1f/0x30 [ 52.799562][ T1294] [ 52.802778][ T1294] Kernel Offset: disabled [ 52.807190][ T1294] Rebooting in 86400 seconds..