Warning: Permanently added '10.128.1.100' (ED25519) to the list of known hosts. 1970/01/01 00:00:45 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:00:45 parsed 1 programs [ 48.410835][ T4023] cgroup: Unknown subsys name 'net' [ 48.668543][ T4023] cgroup: Unknown subsys name 'rlimit' [ 49.016596][ T4023] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 56.183247][ T292] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 56.185032][ T292] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 56.187879][ T1616] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 56.205278][ T292] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 56.207038][ T292] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 56.209408][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 56.405180][ T4069] chnl_net:caif_netlink_parms(): no params data found [ 56.500161][ T4069] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.501776][ T4069] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.504760][ T4069] device bridge_slave_0 entered promiscuous mode [ 56.510070][ T4069] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.511575][ T4069] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.515754][ T4069] device bridge_slave_1 entered promiscuous mode [ 56.534045][ T4069] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.538282][ T4069] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.557011][ T4069] team0: Port device team_slave_0 added [ 56.560278][ T4069] team0: Port device team_slave_1 added [ 56.575490][ T4069] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 56.577047][ T4069] 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. [ 56.583088][ T4069] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 56.587352][ T4069] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 56.588809][ T4069] 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. [ 56.595626][ T4069] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 56.675825][ T4069] device hsr_slave_0 entered promiscuous mode [ 56.733865][ T4069] device hsr_slave_1 entered promiscuous mode [ 56.864334][ T4069] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 56.915167][ T4069] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 56.964276][ T4069] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 57.026588][ T4069] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 57.132833][ T4069] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.134500][ T4069] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.136518][ T4069] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.138291][ T4069] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.154468][ T1616] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.157526][ T1616] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.199725][ T4069] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.211175][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.215397][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.221583][ T4069] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.228846][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 57.231163][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.233944][ T292] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.235520][ T292] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.245231][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 57.247887][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.250311][ T292] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.251887][ T292] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.265024][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 57.268368][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 57.271709][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 57.275838][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 57.278352][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 57.289230][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 57.291769][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 57.295865][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 57.298155][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 57.300893][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 57.303602][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 57.307751][ T4069] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 57.383993][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 57.385679][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 57.394695][ T4069] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 57.410852][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 57.414730][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 57.430006][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 57.432858][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 57.435844][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 57.438434][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 57.444931][ T4069] device veth0_vlan entered promiscuous mode [ 57.451686][ T4069] device veth1_vlan entered promiscuous mode [ 57.471614][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 57.475320][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 57.477516][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 57.479712][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 57.484959][ T4069] device veth0_macvtap entered promiscuous mode [ 57.490728][ T4069] device veth1_macvtap entered promiscuous mode [ 57.503903][ T4069] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 57.505810][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 57.508097][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 57.510376][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 57.512863][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 57.517756][ T4069] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 57.519418][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 57.521702][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 57.528831][ T4069] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.530926][ T4069] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.533258][ T4069] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.535014][ T4069] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:58 executed programs: 0 [ 58.337419][ T4109] chnl_net:caif_netlink_parms(): no params data found [ 58.378211][ T4109] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.379917][ T4109] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.382496][ T4109] device bridge_slave_0 entered promiscuous mode [ 58.385795][ T4109] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.387351][ T4109] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.389508][ T4109] device bridge_slave_1 entered promiscuous mode [ 58.409479][ T4109] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.414406][ T4109] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.429621][ T4109] team0: Port device team_slave_0 added [ 58.433186][ T4109] team0: Port device team_slave_1 added [ 58.450799][ T4109] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 58.452318][ T4109] 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. [ 58.457991][ T4109] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 58.461669][ T4109] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 58.463426][ T4109] 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. [ 58.468907][ T4109] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 58.544341][ T4109] device hsr_slave_0 entered promiscuous mode [ 58.612529][ T4109] device hsr_slave_1 entered promiscuous mode [ 58.662393][ T4109] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 58.664243][ T4109] Cannot create hsr debugfs directory [ 58.751206][ T4109] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 60.272857][ T4089] Bluetooth: hci0: command 0x0409 tx timeout [ 61.397970][ T4109] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 62.352680][ T25] Bluetooth: hci0: command 0x041b tx timeout [ 63.012196][ T4109] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 63.056100][ T4109] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 63.231596][ T4109] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 63.294279][ T4109] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 63.325791][ T4109] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 63.374651][ T4109] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 63.465918][ T4109] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.473089][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.475376][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.479860][ T4109] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.522533][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.525187][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.527515][ T148] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.529053][ T148] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.531030][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.534688][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.536812][ T148] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.538285][ T148] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.540213][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.545787][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.550025][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.557813][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.560987][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.565018][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.570414][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.575281][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.580467][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.583470][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.588093][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.590367][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.595627][ T4109] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.667598][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 63.669456][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.676548][ T4109] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.687945][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 63.690471][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 63.705321][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 63.707679][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 63.710028][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 63.712908][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 63.719321][ T4109] device veth0_vlan entered promiscuous mode [ 63.747530][ T4109] device veth1_vlan entered promiscuous mode [ 63.763508][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 63.765812][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 63.767979][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 63.770336][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 63.776027][ T4109] device veth0_macvtap entered promiscuous mode [ 63.780452][ T4109] device veth1_macvtap entered promiscuous mode [ 63.790427][ T4109] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 63.795469][ T4109] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 63.799286][ T4109] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 63.801773][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 63.805606][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 63.807981][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 63.810346][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 63.817123][ T4109] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 63.819241][ T4109] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 63.822919][ T4109] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 63.824579][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 63.827031][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 63.831402][ T4109] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.833749][ T4109] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.835524][ T4109] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.837250][ T4109] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.879343][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 63.884024][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 63.891584][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 63.897656][ T148] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 63.899416][ T148] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 63.901790][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 63.987725][ T4122] [ 63.988286][ T4122] ====================================================== [ 63.989558][ T4122] WARNING: possible circular locking dependency detected [ 63.990989][ T4122] 5.15.173-syzkaller #0 Not tainted [ 63.992127][ T4122] ------------------------------------------------------ [ 63.993615][ T4122] syz.0.15/4122 is trying to acquire lock: [ 63.994916][ T4122] ffff0000dbe4cc28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xd0/0x1c0 [ 63.997413][ T4122] [ 63.997413][ T4122] but task is already holding lock: [ 63.998943][ T4122] ffff800016f25fe8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 64.001149][ T4122] [ 64.001149][ T4122] which lock already depends on the new lock. [ 64.001149][ T4122] [ 64.003417][ T4122] [ 64.003417][ T4122] the existing dependency chain (in reverse order) is: [ 64.005267][ T4122] [ 64.005267][ T4122] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 64.006933][ T4122] __mutex_lock_common+0x194/0x2154 [ 64.008257][ T4122] mutex_lock_nested+0xa4/0xf8 [ 64.009373][ T4122] rfkill_register+0x44/0x7a4 [ 64.010454][ T4122] hci_register_dev+0x3e0/0x880 [ 64.011597][ T4122] vhci_create_device+0x2c4/0x568 [ 64.012804][ T4122] vhci_write+0x318/0x3b8 [ 64.013859][ T4122] vfs_write+0x884/0xb44 [ 64.014853][ T4122] ksys_write+0x15c/0x26c [ 64.015883][ T4122] __arm64_sys_write+0x7c/0x90 [ 64.017049][ T4122] invoke_syscall+0x98/0x2b8 [ 64.018094][ T4122] el0_svc_common+0x138/0x258 [ 64.019274][ T4122] do_el0_svc+0x58/0x14c [ 64.020340][ T4122] el0_svc+0x7c/0x1f0 [ 64.021303][ T4122] el0t_64_sync_handler+0x84/0xe4 [ 64.022511][ T4122] el0t_64_sync+0x1a0/0x1a4 [ 64.023665][ T4122] [ 64.023665][ T4122] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 64.025694][ T4122] __mutex_lock_common+0x194/0x2154 [ 64.026984][ T4122] mutex_lock_nested+0xa4/0xf8 [ 64.028160][ T4122] vhci_send_frame+0x8c/0x10c [ 64.029322][ T4122] hci_send_frame+0x194/0x2f0 [ 64.030477][ T4122] hci_tx_work+0x9ac/0x16cc [ 64.031534][ T4122] process_one_work+0x790/0x11b8 [ 64.032727][ T4122] worker_thread+0x910/0x1034 [ 64.033880][ T4122] kthread+0x37c/0x45c [ 64.034912][ T4122] ret_from_fork+0x10/0x20 [ 64.035928][ T4122] [ 64.035928][ T4122] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 64.037936][ T4122] __flush_work+0xf8/0x1c0 [ 64.039011][ T4122] flush_work+0x24/0x38 [ 64.040067][ T4122] hci_dev_do_close+0x16c/0x1060 [ 64.041240][ T4122] hci_unregister_dev+0x248/0x4d4 [ 64.042371][ T4122] vhci_release+0x74/0xc4 [ 64.043465][ T4122] __fput+0x1c4/0x800 [ 64.044401][ T4122] ____fput+0x20/0x30 [ 64.045366][ T4122] task_work_run+0x130/0x1e4 [ 64.046516][ T4122] do_exit+0x670/0x20bc [ 64.047508][ T4122] do_group_exit+0x110/0x268 [ 64.048516][ T4122] get_signal+0x634/0x1550 [ 64.049584][ T4122] do_notify_resume+0x3d0/0x32b8 [ 64.050726][ T4122] el0_svc+0xfc/0x1f0 [ 64.051771][ T4122] el0t_64_sync_handler+0x84/0xe4 [ 64.052820][ T4122] el0t_64_sync+0x1a0/0x1a4 [ 64.053981][ T4122] [ 64.053981][ T4122] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 64.055737][ T4122] __mutex_lock_common+0x194/0x2154 [ 64.056971][ T4122] mutex_lock_nested+0xa4/0xf8 [ 64.058110][ T4122] bg_scan_update+0x9c/0x470 [ 64.059253][ T4122] process_one_work+0x790/0x11b8 [ 64.060470][ T4122] worker_thread+0x910/0x1034 [ 64.061736][ T4122] kthread+0x37c/0x45c [ 64.062724][ T4122] ret_from_fork+0x10/0x20 [ 64.063736][ T4122] [ 64.063736][ T4122] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 64.065916][ T4122] __lock_acquire+0x32d4/0x7638 [ 64.067106][ T4122] lock_acquire+0x240/0x77c [ 64.068253][ T4122] __flush_work+0xf8/0x1c0 [ 64.069339][ T4122] __cancel_work_timer+0x3ec/0x548 [ 64.070547][ T4122] cancel_work_sync+0x24/0x38 [ 64.071692][ T4122] hci_request_cancel_all+0xcc/0x2d0 [ 64.073024][ T4122] hci_dev_do_close+0x54/0x1060 [ 64.074215][ T4122] hci_rfkill_set_block+0xdc/0x1d0 [ 64.075309][ T4122] rfkill_set_block+0x18c/0x37c [ 64.076485][ T4122] rfkill_fop_write+0x594/0x750 [ 64.077772][ T4122] vfs_write+0x280/0xb44 [ 64.078874][ T4122] ksys_write+0x15c/0x26c [ 64.079864][ T4122] __arm64_sys_write+0x7c/0x90 [ 64.080934][ T4122] invoke_syscall+0x98/0x2b8 [ 64.082010][ T4122] el0_svc_common+0x138/0x258 [ 64.083196][ T4122] do_el0_svc+0x58/0x14c [ 64.084160][ T4122] el0_svc+0x7c/0x1f0 [ 64.085161][ T4122] el0t_64_sync_handler+0x84/0xe4 [ 64.086290][ T4122] el0t_64_sync+0x1a0/0x1a4 [ 64.087357][ T4122] [ 64.087357][ T4122] other info that might help us debug this: [ 64.087357][ T4122] [ 64.089464][ T4122] Chain exists of: [ 64.089464][ T4122] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 64.089464][ T4122] [ 64.092863][ T4122] Possible unsafe locking scenario: [ 64.092863][ T4122] [ 64.094557][ T4122] CPU0 CPU1 [ 64.095708][ T4122] ---- ---- [ 64.096925][ T4122] lock(rfkill_global_mutex); [ 64.097898][ T4122] lock(&data->open_mutex); [ 64.099317][ T4122] lock(rfkill_global_mutex); [ 64.100865][ T4122] lock((work_completion)(&hdev->bg_scan_update)); [ 64.102328][ T4122] [ 64.102328][ T4122] *** DEADLOCK *** [ 64.102328][ T4122] [ 64.104207][ T4122] 1 lock held by syz.0.15/4122: [ 64.105236][ T4122] #0: ffff800016f25fe8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 64.107699][ T4122] [ 64.107699][ T4122] stack backtrace: [ 64.109033][ T4122] CPU: 1 PID: 4122 Comm: syz.0.15 Not tainted 5.15.173-syzkaller #0 [ 64.110821][ T4122] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 64.113010][ T4122] Call trace: [ 64.113688][ T4122] dump_backtrace+0x0/0x530 [ 64.114652][ T4122] show_stack+0x2c/0x3c [ 64.115574][ T4122] dump_stack_lvl+0x108/0x170 [ 64.116546][ T4122] dump_stack+0x1c/0x58 [ 64.117393][ T4122] print_circular_bug+0x150/0x1b8 [ 64.118382][ T4122] check_noncircular+0x2cc/0x378 [ 64.119389][ T4122] __lock_acquire+0x32d4/0x7638 [ 64.120448][ T4122] lock_acquire+0x240/0x77c [ 64.121468][ T4122] __flush_work+0xf8/0x1c0 [ 64.122347][ T4122] __cancel_work_timer+0x3ec/0x548 [ 64.123489][ T4122] cancel_work_sync+0x24/0x38 [ 64.124483][ T4122] hci_request_cancel_all+0xcc/0x2d0 [ 64.125666][ T4122] hci_dev_do_close+0x54/0x1060 [ 64.126750][ T4122] hci_rfkill_set_block+0xdc/0x1d0 [ 64.127808][ T4122] rfkill_set_block+0x18c/0x37c [ 64.128879][ T4122] rfkill_fop_write+0x594/0x750 [ 64.129998][ T4122] vfs_write+0x280/0xb44 [ 64.130970][ T4122] ksys_write+0x15c/0x26c [ 64.131795][ T4122] __arm64_sys_write+0x7c/0x90 [ 64.132872][ T4122] invoke_syscall+0x98/0x2b8 [ 64.133860][ T4122] el0_svc_common+0x138/0x258 [ 64.134847][ T4122] do_el0_svc+0x58/0x14c [ 64.135760][ T4122] el0_svc+0x7c/0x1f0 [ 64.136632][ T4122] el0t_64_sync_handler+0x84/0xe4 [ 64.137748][ T4122] el0t_64_sync+0x1a0/0x1a4