Warning: Permanently added '10.128.10.59' (ED25519) to the list of known hosts. 1970/01/01 00:00:45 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:00:46 parsed 1 programs [ 48.686628][ T4030] cgroup: Unknown subsys name 'net' [ 48.907091][ T4030] cgroup: Unknown subsys name 'rlimit' [ 49.267266][ T4030] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 55.103703][ T4046] chnl_net:caif_netlink_parms(): no params data found [ 55.148751][ T4046] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.150891][ T4046] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.153098][ T4046] device bridge_slave_0 entered promiscuous mode [ 55.158116][ T4046] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.159694][ T4046] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.163430][ T4046] device bridge_slave_1 entered promiscuous mode [ 55.179520][ T4046] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.183566][ T4046] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.202315][ T4046] team0: Port device team_slave_0 added [ 55.205471][ T4046] team0: Port device team_slave_1 added [ 55.219037][ T4046] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 55.220829][ T4046] 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. [ 55.226072][ T4046] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 55.230241][ T4046] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 55.231645][ T4046] 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. [ 55.237119][ T4046] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 55.302672][ T4046] device hsr_slave_0 entered promiscuous mode [ 55.340641][ T4046] device hsr_slave_1 entered promiscuous mode [ 55.485938][ T4046] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 55.522466][ T4046] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 55.568110][ T4046] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 55.606691][ T4046] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 55.661088][ T4046] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.662918][ T4046] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.664918][ T4046] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.666553][ T4046] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.717089][ T4046] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.725854][ T1708] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.729907][ T1708] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.732710][ T1708] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.735381][ T1708] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 55.743906][ T4046] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.749844][ T1708] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.753504][ T1708] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.754973][ T1708] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.765165][ T1708] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.767500][ T1708] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.769160][ T1708] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.782996][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 55.786100][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 55.790626][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 55.833151][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 55.838847][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 55.843512][ T4046] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 55.915294][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 55.917143][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 55.924761][ T4046] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 55.937920][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 55.954667][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 55.957531][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 55.959808][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 55.965429][ T4046] device veth0_vlan entered promiscuous mode [ 55.973907][ T4046] device veth1_vlan entered promiscuous mode [ 55.989686][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 55.993890][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 55.996545][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 56.002141][ T4046] device veth0_macvtap entered promiscuous mode [ 56.006170][ T4046] device veth1_macvtap entered promiscuous mode [ 56.021288][ T4046] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 56.023263][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 56.027924][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 56.033820][ T4046] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 56.035869][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 56.042266][ T4046] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.044250][ T4046] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.046053][ T4046] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.047873][ T4046] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.420389][ T331] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 57.463526][ T148] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 57.465523][ T148] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 57.468488][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 57.482437][ T148] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 57.484356][ T148] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 57.487668][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:00:57 executed programs: 0 [ 58.168400][ T4112] chnl_net:caif_netlink_parms(): no params data found [ 58.203725][ T4112] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.205190][ T4112] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.207454][ T4112] device bridge_slave_0 entered promiscuous mode [ 58.210908][ T4112] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.212650][ T4112] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.214779][ T4112] device bridge_slave_1 entered promiscuous mode [ 58.231174][ T4112] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.235286][ T4112] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.250847][ T4112] team0: Port device team_slave_0 added [ 58.253799][ T4112] team0: Port device team_slave_1 added [ 58.266883][ T4112] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 58.268717][ T4112] 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. [ 58.275379][ T4112] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 58.279500][ T4112] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 58.281937][ T4112] 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. [ 58.287358][ T4112] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 58.342517][ T4112] device hsr_slave_0 entered promiscuous mode [ 58.390725][ T4112] device hsr_slave_1 entered promiscuous mode [ 58.430421][ T4112] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 58.432241][ T4112] Cannot create hsr debugfs directory [ 60.121430][ T21] Bluetooth: hci0: command 0x0409 tx timeout [ 60.418494][ T331] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 61.716955][ T331] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 61.771012][ T331] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 62.200264][ T21] Bluetooth: hci0: command 0x041b tx timeout [ 62.721121][ T4112] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 62.744067][ T4112] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 62.783229][ T4112] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 62.832983][ T4112] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 62.942109][ T4112] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.950673][ T1708] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.952961][ T1708] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.957430][ T4112] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.963950][ T1708] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.966337][ T1708] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.968527][ T1708] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.970019][ T1708] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.973005][ T1708] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.977744][ T1708] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.981235][ T1708] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.983312][ T1708] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.984882][ T1708] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.991770][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.996091][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.041112][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.043847][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.046103][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.053843][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.056255][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.062073][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.064479][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.069279][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.072107][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.076481][ T4112] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.151723][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 63.153675][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.159402][ T4112] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.172400][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 63.174879][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 63.187156][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 63.189587][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 63.193411][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 63.195510][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 63.198879][ T4112] device veth0_vlan entered promiscuous mode [ 63.207455][ T4112] device veth1_vlan entered promiscuous mode [ 63.224707][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 63.226999][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 63.229268][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 63.231899][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 63.236287][ T4112] device veth0_macvtap entered promiscuous mode [ 63.241237][ T4112] device veth1_macvtap entered promiscuous mode [ 63.255506][ T4112] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 63.257881][ T4112] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 63.261435][ T4112] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 63.263159][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 63.265420][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 63.267725][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 63.270078][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 63.275082][ T4112] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 63.277274][ T4112] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 63.280569][ T4112] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 63.282366][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 63.284749][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 63.289535][ T4112] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.292344][ T4112] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.294243][ T4112] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.296318][ T4112] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.341566][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 63.344822][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 63.357935][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 63.362469][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 63.364404][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 63.367139][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 63.579519][ T4159] [ 63.580096][ T4159] ====================================================== [ 63.581647][ T4159] WARNING: possible circular locking dependency detected [ 63.583335][ T4159] 5.15.173-syzkaller #0 Not tainted [ 63.584448][ T4159] ------------------------------------------------------ [ 63.585890][ T4159] syz.0.15/4159 is trying to acquire lock: [ 63.587126][ T4159] ffff0000d6a00c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xd0/0x1c0 [ 63.589630][ T4159] [ 63.589630][ T4159] but task is already holding lock: [ 63.591273][ T4159] ffff800016f25fe8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 63.593388][ T4159] [ 63.593388][ T4159] which lock already depends on the new lock. [ 63.593388][ T4159] [ 63.595635][ T4159] [ 63.595635][ T4159] the existing dependency chain (in reverse order) is: [ 63.597658][ T4159] [ 63.597658][ T4159] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 63.599303][ T4159] __mutex_lock_common+0x194/0x2154 [ 63.600625][ T4159] mutex_lock_nested+0xa4/0xf8 [ 63.601793][ T4159] rfkill_register+0x44/0x7a4 [ 63.602889][ T4159] hci_register_dev+0x3e0/0x880 [ 63.604024][ T4159] vhci_create_device+0x2c4/0x568 [ 63.605130][ T4159] vhci_write+0x318/0x3b8 [ 63.606242][ T4159] vfs_write+0x884/0xb44 [ 63.607321][ T4159] ksys_write+0x15c/0x26c [ 63.608286][ T4159] __arm64_sys_write+0x7c/0x90 [ 63.609493][ T4159] invoke_syscall+0x98/0x2b8 [ 63.610551][ T4159] el0_svc_common+0x138/0x258 [ 63.611713][ T4159] do_el0_svc+0x58/0x14c [ 63.612777][ T4159] el0_svc+0x7c/0x1f0 [ 63.613763][ T4159] el0t_64_sync_handler+0x84/0xe4 [ 63.615005][ T4159] el0t_64_sync+0x1a0/0x1a4 [ 63.616095][ T4159] [ 63.616095][ T4159] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 63.617758][ T4159] __mutex_lock_common+0x194/0x2154 [ 63.619001][ T4159] mutex_lock_nested+0xa4/0xf8 [ 63.620154][ T4159] vhci_send_frame+0x8c/0x10c [ 63.621280][ T4159] hci_send_frame+0x194/0x2f0 [ 63.622324][ T4159] hci_tx_work+0x9ac/0x16cc [ 63.623391][ T4159] process_one_work+0x790/0x11b8 [ 63.624473][ T4159] worker_thread+0x910/0x1034 [ 63.625548][ T4159] kthread+0x37c/0x45c [ 63.626458][ T4159] ret_from_fork+0x10/0x20 [ 63.627621][ T4159] [ 63.627621][ T4159] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 63.629744][ T4159] __flush_work+0xf8/0x1c0 [ 63.630761][ T4159] flush_work+0x24/0x38 [ 63.631797][ T4159] hci_dev_do_close+0x16c/0x1060 [ 63.633073][ T4159] hci_unregister_dev+0x248/0x4d4 [ 63.634198][ T4159] vhci_release+0x74/0xc4 [ 63.635221][ T4159] __fput+0x1c4/0x800 [ 63.636166][ T4159] ____fput+0x20/0x30 [ 63.637094][ T4159] task_work_run+0x130/0x1e4 [ 63.638342][ T4159] do_exit+0x670/0x20bc [ 63.639639][ T4159] do_group_exit+0x110/0x268 [ 63.640689][ T4159] get_signal+0x634/0x1550 [ 63.641749][ T4159] do_notify_resume+0x3d0/0x32b8 [ 63.642884][ T4159] el0_svc+0xfc/0x1f0 [ 63.643845][ T4159] el0t_64_sync_handler+0x84/0xe4 [ 63.645051][ T4159] el0t_64_sync+0x1a0/0x1a4 [ 63.646111][ T4159] [ 63.646111][ T4159] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 63.647852][ T4159] __mutex_lock_common+0x194/0x2154 [ 63.649119][ T4159] mutex_lock_nested+0xa4/0xf8 [ 63.650338][ T4159] bg_scan_update+0x9c/0x470 [ 63.651215][ T4159] process_one_work+0x790/0x11b8 [ 63.652123][ T4159] worker_thread+0x910/0x1034 [ 63.652984][ T4159] kthread+0x37c/0x45c [ 63.653757][ T4159] ret_from_fork+0x10/0x20 [ 63.654584][ T4159] [ 63.654584][ T4159] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 63.656222][ T4159] __lock_acquire+0x32d4/0x7638 [ 63.657349][ T4159] lock_acquire+0x240/0x77c [ 63.658443][ T4159] __flush_work+0xf8/0x1c0 [ 63.659673][ T4159] __cancel_work_timer+0x3ec/0x548 [ 63.660840][ T4159] cancel_work_sync+0x24/0x38 [ 63.661944][ T4159] hci_request_cancel_all+0xcc/0x2d0 [ 63.663136][ T4159] hci_dev_do_close+0x54/0x1060 [ 63.664248][ T4159] hci_rfkill_set_block+0xdc/0x1d0 [ 63.665413][ T4159] rfkill_set_block+0x18c/0x37c [ 63.666662][ T4159] rfkill_fop_write+0x594/0x750 [ 63.667844][ T4159] vfs_write+0x280/0xb44 [ 63.668850][ T4159] ksys_write+0x15c/0x26c [ 63.669939][ T4159] __arm64_sys_write+0x7c/0x90 [ 63.671089][ T4159] invoke_syscall+0x98/0x2b8 [ 63.672294][ T4159] el0_svc_common+0x138/0x258 [ 63.673460][ T4159] do_el0_svc+0x58/0x14c [ 63.674509][ T4159] el0_svc+0x7c/0x1f0 [ 63.675554][ T4159] el0t_64_sync_handler+0x84/0xe4 [ 63.676663][ T4159] el0t_64_sync+0x1a0/0x1a4 [ 63.677773][ T4159] [ 63.677773][ T4159] other info that might help us debug this: [ 63.677773][ T4159] [ 63.680065][ T4159] Chain exists of: [ 63.680065][ T4159] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 63.680065][ T4159] [ 63.683512][ T4159] Possible unsafe locking scenario: [ 63.683512][ T4159] [ 63.685180][ T4159] CPU0 CPU1 [ 63.686487][ T4159] ---- ---- [ 63.687674][ T4159] lock(rfkill_global_mutex); [ 63.688666][ T4159] lock(&data->open_mutex); [ 63.690218][ T4159] lock(rfkill_global_mutex); [ 63.691742][ T4159] lock((work_completion)(&hdev->bg_scan_update)); [ 63.693089][ T4159] [ 63.693089][ T4159] *** DEADLOCK *** [ 63.693089][ T4159] [ 63.694967][ T4159] 1 lock held by syz.0.15/4159: [ 63.696079][ T4159] #0: ffff800016f25fe8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 63.698316][ T4159] [ 63.698316][ T4159] stack backtrace: [ 63.699700][ T4159] CPU: 1 PID: 4159 Comm: syz.0.15 Not tainted 5.15.173-syzkaller #0 [ 63.701355][ T4159] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 63.703664][ T4159] Call trace: [ 63.704422][ T4159] dump_backtrace+0x0/0x530 [ 63.705531][ T4159] show_stack+0x2c/0x3c [ 63.706708][ T4159] dump_stack_lvl+0x108/0x170 [ 63.707913][ T4159] dump_stack+0x1c/0x58 [ 63.708836][ T4159] print_circular_bug+0x150/0x1b8 [ 63.709913][ T4159] check_noncircular+0x2cc/0x378 [ 63.711024][ T4159] __lock_acquire+0x32d4/0x7638 [ 63.712090][ T4159] lock_acquire+0x240/0x77c [ 63.713198][ T4159] __flush_work+0xf8/0x1c0 [ 63.714244][ T4159] __cancel_work_timer+0x3ec/0x548 [ 63.715476][ T4159] cancel_work_sync+0x24/0x38 [ 63.716523][ T4159] hci_request_cancel_all+0xcc/0x2d0 [ 63.717749][ T4159] hci_dev_do_close+0x54/0x1060 [ 63.718810][ T4159] hci_rfkill_set_block+0xdc/0x1d0 [ 63.719950][ T4159] rfkill_set_block+0x18c/0x37c [ 63.721103][ T4159] rfkill_fop_write+0x594/0x750 [ 63.722084][ T4159] vfs_write+0x280/0xb44 [ 63.723076][ T4159] ksys_write+0x15c/0x26c [ 63.724075][ T4159] __arm64_sys_write+0x7c/0x90 [ 63.725148][ T4159] invoke_syscall+0x98/0x2b8 [ 63.726199][ T4159] el0_svc_common+0x138/0x258 [ 63.727325][ T4159] do_el0_svc+0x58/0x14c [ 63.728286][ T4159] el0_svc+0x7c/0x1f0 [ 63.729223][ T4159] el0t_64_sync_handler+0x84/0xe4 [ 63.730416][ T4159] el0t_64_sync+0x1a0/0x1a4