Warning: Permanently added '10.128.1.103' (ED25519) to the list of known hosts. 1970/01/01 00:00:44 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:00:45 parsed 1 programs [ 47.735125][ T4024] cgroup: Unknown subsys name 'net' [ 48.005772][ T4024] cgroup: Unknown subsys name 'rlimit' [ 48.397735][ T4024] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 55.051167][ T4043] chnl_net:caif_netlink_parms(): no params data found [ 55.097502][ T4043] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.099236][ T4043] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.101427][ T4043] device bridge_slave_0 entered promiscuous mode [ 55.105294][ T4043] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.106852][ T4043] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.108895][ T4043] device bridge_slave_1 entered promiscuous mode [ 55.130097][ T4043] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.133741][ T4043] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.149503][ T4043] team0: Port device team_slave_0 added [ 55.152403][ T4043] team0: Port device team_slave_1 added [ 55.170829][ T4043] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 55.172438][ T4043] 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. [ 55.177459][ T4043] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 55.181530][ T4043] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 55.183101][ T4043] 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. [ 55.188616][ T4043] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 55.262768][ T4043] device hsr_slave_0 entered promiscuous mode [ 55.299543][ T4043] device hsr_slave_1 entered promiscuous mode [ 55.429706][ T4043] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 55.495548][ T4043] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 55.534416][ T4043] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 55.584552][ T4043] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 55.642071][ T4043] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.643743][ T4043] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.645760][ T4043] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.647258][ T4043] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.739629][ T4043] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.748116][ T1705] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.752323][ T1705] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.754871][ T1705] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.757493][ T1705] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 55.765491][ T4043] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.773115][ T575] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.775337][ T575] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.776830][ T575] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.784043][ T575] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.786210][ T575] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.787822][ T575] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.807622][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 55.812130][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 55.822285][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 55.828121][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 55.837520][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 55.843439][ T4043] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 55.920621][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 55.922357][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 55.930387][ T4043] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 55.945088][ T575] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 55.959389][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 55.962399][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 55.964521][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 55.968367][ T4043] device veth0_vlan entered promiscuous mode [ 55.977806][ T4043] device veth1_vlan entered promiscuous mode [ 55.994783][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 55.997020][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 55.999491][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 56.003900][ T4043] device veth0_macvtap entered promiscuous mode [ 56.008266][ T4043] device veth1_macvtap entered promiscuous mode [ 56.021053][ T4043] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 56.023301][ T1705] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 56.026473][ T1705] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 56.033546][ T4043] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 56.035176][ T1705] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 56.037453][ T1705] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 56.044404][ T4043] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.046390][ T4043] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.048102][ T4043] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.051583][ T4043] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.274848][ T136] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 57.289922][ T293] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 57.292119][ T293] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 57.294916][ T1705] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 57.308851][ T1705] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 57.312998][ T1705] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 57.315917][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:00:57 executed programs: 0 [ 58.104639][ T4102] chnl_net:caif_netlink_parms(): no params data found [ 58.142796][ T4102] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.144350][ T4102] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.146362][ T4102] device bridge_slave_0 entered promiscuous mode [ 58.152298][ T4102] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.153895][ T4102] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.156102][ T4102] device bridge_slave_1 entered promiscuous mode [ 58.174620][ T4102] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.179024][ T4102] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.198220][ T4102] team0: Port device team_slave_0 added [ 58.201186][ T4102] team0: Port device team_slave_1 added [ 58.215607][ T4102] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 58.217107][ T4102] 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. [ 58.223079][ T4102] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 58.226717][ T4102] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 58.228040][ T4102] 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. [ 58.233774][ T4102] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 58.291194][ T4102] device hsr_slave_0 entered promiscuous mode [ 58.379581][ T4102] device hsr_slave_1 entered promiscuous mode [ 58.439272][ T4102] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 58.441020][ T4102] Cannot create hsr debugfs directory [ 59.357441][ T136] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 60.029747][ T4050] Bluetooth: hci1: command 0x0409 tx timeout [ 61.326198][ T136] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 61.379946][ T136] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 62.109544][ T4127] Bluetooth: hci1: command 0x041b tx timeout [ 62.322669][ T4102] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 62.351857][ T4102] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 62.392091][ T4102] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 62.432983][ T4102] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 62.571715][ T4102] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.579015][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.582899][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.588114][ T4102] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.593359][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.595917][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.598290][ T293] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.600363][ T293] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.603271][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.608075][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.611572][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.613619][ T293] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.615052][ T293] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.621789][ T575] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.628421][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.634775][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.637799][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.642880][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.648060][ T575] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.651907][ T575] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.657333][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.660238][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.666852][ T4102] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 62.670467][ T4102] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.672972][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.675234][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.747566][ T575] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.750251][ T575] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.757594][ T4102] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.770434][ T575] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 62.773390][ T575] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 62.786669][ T1705] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 62.788987][ T1705] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 62.791942][ T1705] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 62.794015][ T1705] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 62.797909][ T4102] device veth0_vlan entered promiscuous mode [ 62.805363][ T4102] device veth1_vlan entered promiscuous mode [ 62.821768][ T1705] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 62.824121][ T1705] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 62.826303][ T1705] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 62.828640][ T1705] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 62.833683][ T4102] device veth0_macvtap entered promiscuous mode [ 62.837718][ T4102] device veth1_macvtap entered promiscuous mode [ 62.849462][ T4102] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 62.851484][ T4102] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 62.854304][ T4102] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 62.855851][ T1705] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 62.858018][ T1705] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 62.860347][ T1705] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 62.862503][ T1705] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 62.866375][ T4102] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 62.868611][ T4102] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 62.875990][ T4102] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 62.877923][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 62.880366][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 62.914160][ T4102] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.915978][ T4102] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.917589][ T4102] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.920216][ T4102] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.965548][ T575] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 62.967193][ T575] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 62.977410][ T1705] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 62.986168][ T575] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 62.987823][ T575] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 62.992895][ T575] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 63.167107][ T4154] [ 63.167698][ T4154] ====================================================== [ 63.169094][ T4154] WARNING: possible circular locking dependency detected [ 63.170612][ T4154] 5.15.173-syzkaller #0 Not tainted [ 63.171826][ T4154] ------------------------------------------------------ [ 63.173318][ T4154] syz.0.15/4154 is trying to acquire lock: [ 63.174478][ T4154] ffff0000db8a0c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xd0/0x1c0 [ 63.176768][ T4154] [ 63.176768][ T4154] but task is already holding lock: [ 63.178253][ T4154] ffff800016f25fe8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 63.180200][ T4154] [ 63.180200][ T4154] which lock already depends on the new lock. [ 63.180200][ T4154] [ 63.182332][ T4154] [ 63.182332][ T4154] the existing dependency chain (in reverse order) is: [ 63.184105][ T4154] [ 63.184105][ T4154] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 63.186063][ T4154] __mutex_lock_common+0x194/0x2154 [ 63.187242][ T4154] mutex_lock_nested+0xa4/0xf8 [ 63.188316][ T4154] rfkill_register+0x44/0x7a4 [ 63.189384][ T4154] hci_register_dev+0x3e0/0x880 [ 63.190509][ T4154] vhci_create_device+0x2c4/0x568 [ 63.191584][ T4154] vhci_write+0x318/0x3b8 [ 63.192527][ T4154] vfs_write+0x884/0xb44 [ 63.193426][ T4154] ksys_write+0x15c/0x26c [ 63.194336][ T4154] __arm64_sys_write+0x7c/0x90 [ 63.195451][ T4154] invoke_syscall+0x98/0x2b8 [ 63.196393][ T4154] el0_svc_common+0x138/0x258 [ 63.197398][ T4154] do_el0_svc+0x58/0x14c [ 63.198410][ T4154] el0_svc+0x7c/0x1f0 [ 63.199351][ T4154] el0t_64_sync_handler+0x84/0xe4 [ 63.200442][ T4154] el0t_64_sync+0x1a0/0x1a4 [ 63.201537][ T4154] [ 63.201537][ T4154] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 63.203268][ T4154] __mutex_lock_common+0x194/0x2154 [ 63.204367][ T4154] mutex_lock_nested+0xa4/0xf8 [ 63.205495][ T4154] vhci_send_frame+0x8c/0x10c [ 63.206623][ T4154] hci_send_frame+0x194/0x2f0 [ 63.207666][ T4154] hci_tx_work+0x9ac/0x16cc [ 63.208820][ T4154] process_one_work+0x790/0x11b8 [ 63.210061][ T4154] worker_thread+0x910/0x1034 [ 63.211237][ T4154] kthread+0x37c/0x45c [ 63.212313][ T4154] ret_from_fork+0x10/0x20 [ 63.213488][ T4154] [ 63.213488][ T4154] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 63.215594][ T4154] __flush_work+0xf8/0x1c0 [ 63.216512][ T4154] flush_work+0x24/0x38 [ 63.217460][ T4154] hci_dev_do_close+0x16c/0x1060 [ 63.218673][ T4154] hci_unregister_dev+0x248/0x4d4 [ 63.219807][ T4154] vhci_release+0x74/0xc4 [ 63.220866][ T4154] __fput+0x1c4/0x800 [ 63.221857][ T4154] ____fput+0x20/0x30 [ 63.222962][ T4154] task_work_run+0x130/0x1e4 [ 63.224110][ T4154] do_exit+0x670/0x20bc [ 63.225105][ T4154] do_group_exit+0x110/0x268 [ 63.226349][ T4154] get_signal+0x634/0x1550 [ 63.227500][ T4154] do_notify_resume+0x3d0/0x32b8 [ 63.228534][ T4154] el0_svc+0xfc/0x1f0 [ 63.229515][ T4154] el0t_64_sync_handler+0x84/0xe4 [ 63.230653][ T4154] el0t_64_sync+0x1a0/0x1a4 [ 63.231682][ T4154] [ 63.231682][ T4154] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 63.233213][ T4154] __mutex_lock_common+0x194/0x2154 [ 63.234428][ T4154] mutex_lock_nested+0xa4/0xf8 [ 63.235513][ T4154] bg_scan_update+0x9c/0x470 [ 63.236708][ T4154] process_one_work+0x790/0x11b8 [ 63.237901][ T4154] worker_thread+0x910/0x1034 [ 63.238998][ T4154] kthread+0x37c/0x45c [ 63.239934][ T4154] ret_from_fork+0x10/0x20 [ 63.240982][ T4154] [ 63.240982][ T4154] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 63.243105][ T4154] __lock_acquire+0x32d4/0x7638 [ 63.244268][ T4154] lock_acquire+0x240/0x77c [ 63.245403][ T4154] __flush_work+0xf8/0x1c0 [ 63.246468][ T4154] __cancel_work_timer+0x3ec/0x548 [ 63.247462][ T4154] cancel_work_sync+0x24/0x38 [ 63.248430][ T4154] hci_request_cancel_all+0xcc/0x2d0 [ 63.249701][ T4154] hci_dev_do_close+0x54/0x1060 [ 63.250701][ T4154] hci_rfkill_set_block+0xdc/0x1d0 [ 63.251902][ T4154] rfkill_set_block+0x18c/0x37c [ 63.253061][ T4154] rfkill_fop_write+0x594/0x750 [ 63.254146][ T4154] vfs_write+0x280/0xb44 [ 63.255195][ T4154] ksys_write+0x15c/0x26c [ 63.256189][ T4154] __arm64_sys_write+0x7c/0x90 [ 63.257349][ T4154] invoke_syscall+0x98/0x2b8 [ 63.258402][ T4154] el0_svc_common+0x138/0x258 [ 63.259455][ T4154] do_el0_svc+0x58/0x14c [ 63.260504][ T4154] el0_svc+0x7c/0x1f0 [ 63.261462][ T4154] el0t_64_sync_handler+0x84/0xe4 [ 63.262625][ T4154] el0t_64_sync+0x1a0/0x1a4 [ 63.263657][ T4154] [ 63.263657][ T4154] other info that might help us debug this: [ 63.263657][ T4154] [ 63.265746][ T4154] Chain exists of: [ 63.265746][ T4154] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 63.265746][ T4154] [ 63.269123][ T4154] Possible unsafe locking scenario: [ 63.269123][ T4154] [ 63.270619][ T4154] CPU0 CPU1 [ 63.271676][ T4154] ---- ---- [ 63.272723][ T4154] lock(rfkill_global_mutex); [ 63.273665][ T4154] lock(&data->open_mutex); [ 63.275052][ T4154] lock(rfkill_global_mutex); [ 63.276476][ T4154] lock((work_completion)(&hdev->bg_scan_update)); [ 63.277891][ T4154] [ 63.277891][ T4154] *** DEADLOCK *** [ 63.277891][ T4154] [ 63.279625][ T4154] 1 lock held by syz.0.15/4154: [ 63.280584][ T4154] #0: ffff800016f25fe8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 63.282789][ T4154] [ 63.282789][ T4154] stack backtrace: [ 63.284016][ T4154] CPU: 0 PID: 4154 Comm: syz.0.15 Not tainted 5.15.173-syzkaller #0 [ 63.285633][ T4154] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 63.287751][ T4154] Call trace: [ 63.288420][ T4154] dump_backtrace+0x0/0x530 [ 63.289290][ T4154] show_stack+0x2c/0x3c [ 63.290205][ T4154] dump_stack_lvl+0x108/0x170 [ 63.291098][ T4154] dump_stack+0x1c/0x58 [ 63.291923][ T4154] print_circular_bug+0x150/0x1b8 [ 63.293014][ T4154] check_noncircular+0x2cc/0x378 [ 63.293921][ T4154] __lock_acquire+0x32d4/0x7638 [ 63.294890][ T4154] lock_acquire+0x240/0x77c [ 63.295782][ T4154] __flush_work+0xf8/0x1c0 [ 63.296734][ T4154] __cancel_work_timer+0x3ec/0x548 [ 63.297825][ T4154] cancel_work_sync+0x24/0x38 [ 63.298804][ T4154] hci_request_cancel_all+0xcc/0x2d0 [ 63.299919][ T4154] hci_dev_do_close+0x54/0x1060 [ 63.300977][ T4154] hci_rfkill_set_block+0xdc/0x1d0 [ 63.301967][ T4154] rfkill_set_block+0x18c/0x37c [ 63.302969][ T4154] rfkill_fop_write+0x594/0x750 [ 63.303927][ T4154] vfs_write+0x280/0xb44 [ 63.304752][ T4154] ksys_write+0x15c/0x26c [ 63.305691][ T4154] __arm64_sys_write+0x7c/0x90 [ 63.306638][ T4154] invoke_syscall+0x98/0x2b8 [ 63.307690][ T4154] el0_svc_common+0x138/0x258 [ 63.308647][ T4154] do_el0_svc+0x58/0x14c [ 63.309572][ T4154] el0_svc+0x7c/0x1f0 [ 63.310339][ T4154] el0t_64_sync_handler+0x84/0xe4 [ 63.311408][ T4154] el0t_64_sync+0x1a0/0x1a4