Warning: Permanently added '10.128.10.15' (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 [ 49.103697][ T4029] cgroup: Unknown subsys name 'net' [ 49.353442][ T4029] cgroup: Unknown subsys name 'rlimit' [ 49.731847][ T4029] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 57.213782][ T4045] chnl_net:caif_netlink_parms(): no params data found [ 57.261473][ T4045] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.263554][ T4045] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.266158][ T4045] device bridge_slave_0 entered promiscuous mode [ 57.270854][ T4045] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.272842][ T4045] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.275345][ T4045] device bridge_slave_1 entered promiscuous mode [ 57.294900][ T4045] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.299189][ T4045] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.313983][ T4045] team0: Port device team_slave_0 added [ 57.318782][ T4045] team0: Port device team_slave_1 added [ 57.331302][ T4045] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 57.333210][ T4045] 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. [ 57.340312][ T4045] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 57.345010][ T4045] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 57.346803][ T4045] 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. [ 57.354779][ T4045] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 57.439726][ T4045] device hsr_slave_0 entered promiscuous mode [ 57.477781][ T4045] device hsr_slave_1 entered promiscuous mode [ 57.598535][ T4045] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 57.650630][ T4045] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 57.694904][ T4045] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 57.733730][ T4045] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 57.786533][ T4045] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.788753][ T4045] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.791113][ T4045] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.793050][ T4045] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.840027][ T4045] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.851725][ T1344] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.856280][ T1344] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.859456][ T1344] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.862446][ T1344] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 57.872891][ T4045] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.932519][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.935269][ T153] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.937559][ T153] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.947645][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.950842][ T153] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.952906][ T153] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.965817][ T1344] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 57.968716][ T1344] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 57.975940][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 57.986260][ T1344] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 57.993732][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.000952][ T4045] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.080769][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.083065][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.092782][ T4045] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.110030][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 58.126977][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 58.131353][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 58.133854][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 58.141060][ T4045] device veth0_vlan entered promiscuous mode [ 58.148720][ T4045] device veth1_vlan entered promiscuous mode [ 58.166921][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 58.171507][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 58.174213][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 58.181933][ T4045] device veth0_macvtap entered promiscuous mode [ 58.185629][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 58.191270][ T4045] device veth1_macvtap entered promiscuous mode [ 58.204241][ T4045] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 58.206436][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 58.212130][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 58.220046][ T4045] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 58.223776][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 58.226537][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 58.232981][ T4045] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.235346][ T4045] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.239925][ T4045] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.242321][ T4045] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.541787][ T153] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 58.544012][ T153] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 58.553735][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 58.566429][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 58.573047][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 58.576173][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 59.380557][ T1775] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:01:00 executed programs: 0 [ 60.308866][ T4105] chnl_net:caif_netlink_parms(): no params data found [ 60.345993][ T4105] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.348224][ T4105] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.350938][ T4105] device bridge_slave_0 entered promiscuous mode [ 60.354768][ T4105] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.356787][ T4105] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.360157][ T4105] device bridge_slave_1 entered promiscuous mode [ 60.376786][ T4105] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.381660][ T4105] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.396901][ T4105] team0: Port device team_slave_0 added [ 60.400539][ T4105] team0: Port device team_slave_1 added [ 60.414471][ T4105] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 60.416541][ T4105] 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. [ 60.424728][ T4105] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 60.429948][ T4105] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 60.431925][ T4105] 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. [ 60.440263][ T4105] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 60.499861][ T4105] device hsr_slave_0 entered promiscuous mode [ 60.537943][ T4105] device hsr_slave_1 entered promiscuous mode [ 60.588275][ T4105] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 60.590471][ T4105] Cannot create hsr debugfs directory [ 61.505253][ T1775] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 62.268258][ T7] Bluetooth: hci0: command 0x0409 tx timeout [ 63.244026][ T1775] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 63.296785][ T1775] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 64.274870][ T4105] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 64.320788][ T4105] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 64.337782][ T7] Bluetooth: hci0: command 0x041b tx timeout [ 64.381685][ T4105] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 64.430641][ T4105] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 64.527218][ T4105] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.534563][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.537164][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.546563][ T4105] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.554085][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.556970][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.560139][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.562166][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.564695][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.570709][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.573534][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.576161][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.578108][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.584455][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.590184][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.595813][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.599997][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.603367][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.611268][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.614253][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.617042][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.620824][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.626515][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.630554][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.635019][ T4105] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.726019][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 64.729872][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 64.738068][ T4105] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.774378][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 64.777253][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 64.790444][ T1344] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 64.793387][ T1344] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 64.796388][ T1344] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 64.799649][ T1344] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 64.804003][ T4105] device veth0_vlan entered promiscuous mode [ 64.812381][ T4105] device veth1_vlan entered promiscuous mode [ 64.835603][ T1344] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 64.838354][ T1344] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 64.841022][ T1344] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 64.843779][ T1344] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 64.850192][ T4105] device veth0_macvtap entered promiscuous mode [ 64.854656][ T4105] device veth1_macvtap entered promiscuous mode [ 64.866549][ T4105] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 64.870954][ T4105] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 64.875426][ T4105] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 64.878609][ T1344] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 64.882758][ T1344] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 64.885617][ T1344] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 64.889585][ T1344] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 64.910160][ T4105] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 64.913334][ T4105] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 64.917274][ T4105] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 64.920356][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 64.923281][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 64.928458][ T4105] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.931046][ T4105] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.933576][ T4105] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.935967][ T4105] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.977375][ T1344] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.980300][ T1344] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.983703][ T1344] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 64.996835][ T1344] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.999964][ T1344] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 65.003245][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 65.196262][ T4156] [ 65.196957][ T4156] ====================================================== [ 65.198856][ T4156] WARNING: possible circular locking dependency detected [ 65.200799][ T4156] 5.15.178-syzkaller #0 Not tainted [ 65.202264][ T4156] ------------------------------------------------------ [ 65.204141][ T4156] syz.0.16/4156 is trying to acquire lock: [ 65.205771][ T4156] ffff0000d1d98c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xd0/0x1c0 [ 65.208984][ T4156] [ 65.208984][ T4156] but task is already holding lock: [ 65.211100][ T4156] ffff800016f39608 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 65.213798][ T4156] [ 65.213798][ T4156] which lock already depends on the new lock. [ 65.213798][ T4156] [ 65.216739][ T4156] [ 65.216739][ T4156] the existing dependency chain (in reverse order) is: [ 65.219102][ T4156] [ 65.219102][ T4156] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 65.221307][ T4156] __mutex_lock_common+0x194/0x2154 [ 65.222978][ T4156] mutex_lock_nested+0xa4/0xf8 [ 65.224516][ T4156] rfkill_register+0x44/0x7a4 [ 65.226048][ T4156] hci_register_dev+0x3e0/0x880 [ 65.227567][ T4156] vhci_create_device+0x2c4/0x568 [ 65.229066][ T4156] vhci_write+0x318/0x3b8 [ 65.230496][ T4156] vfs_write+0x884/0xb44 [ 65.231763][ T4156] ksys_write+0x15c/0x26c [ 65.233032][ T4156] __arm64_sys_write+0x7c/0x90 [ 65.234496][ T4156] invoke_syscall+0x98/0x2b8 [ 65.235918][ T4156] el0_svc_common+0x138/0x258 [ 65.237493][ T4156] do_el0_svc+0x58/0x14c [ 65.238945][ T4156] el0_svc+0x7c/0x1f0 [ 65.240227][ T4156] el0t_64_sync_handler+0x84/0xe4 [ 65.241714][ T4156] el0t_64_sync+0x1a0/0x1a4 [ 65.243166][ T4156] [ 65.243166][ T4156] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 65.245394][ T4156] __mutex_lock_common+0x194/0x2154 [ 65.247055][ T4156] mutex_lock_nested+0xa4/0xf8 [ 65.248568][ T4156] vhci_send_frame+0x8c/0x10c [ 65.249998][ T4156] hci_send_frame+0x194/0x2f0 [ 65.251383][ T4156] hci_tx_work+0x9ac/0x16cc [ 65.252847][ T4156] process_one_work+0x790/0x11b8 [ 65.254418][ T4156] worker_thread+0x910/0x1034 [ 65.255914][ T4156] kthread+0x37c/0x45c [ 65.257186][ T4156] ret_from_fork+0x10/0x20 [ 65.258596][ T4156] [ 65.258596][ T4156] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 65.261734][ T4156] __flush_work+0xf8/0x1c0 [ 65.263619][ T4156] flush_work+0x24/0x38 [ 65.264976][ T4156] hci_dev_do_close+0x16c/0x1060 [ 65.266568][ T4156] hci_unregister_dev+0x248/0x4d4 [ 65.268288][ T4156] vhci_release+0x74/0xc4 [ 65.269778][ T4156] __fput+0x1c4/0x800 [ 65.271263][ T4156] ____fput+0x20/0x30 [ 65.272461][ T4156] task_work_run+0x130/0x1e4 [ 65.273930][ T4156] do_exit+0x670/0x20bc [ 65.275262][ T4156] do_group_exit+0x110/0x268 [ 65.276740][ T4156] get_signal+0x634/0x1550 [ 65.278069][ T4156] do_notify_resume+0x3d0/0x32b8 [ 65.279539][ T4156] el0_svc+0xfc/0x1f0 [ 65.280805][ T4156] el0t_64_sync_handler+0x84/0xe4 [ 65.282352][ T4156] el0t_64_sync+0x1a0/0x1a4 [ 65.283869][ T4156] [ 65.283869][ T4156] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 65.286111][ T4156] __mutex_lock_common+0x194/0x2154 [ 65.287610][ T4156] mutex_lock_nested+0xa4/0xf8 [ 65.289087][ T4156] bg_scan_update+0x9c/0x470 [ 65.290512][ T4156] process_one_work+0x790/0x11b8 [ 65.292061][ T4156] worker_thread+0x910/0x1034 [ 65.293547][ T4156] kthread+0x37c/0x45c [ 65.294805][ T4156] ret_from_fork+0x10/0x20 [ 65.296193][ T4156] [ 65.296193][ T4156] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 65.299027][ T4156] __lock_acquire+0x32d4/0x7638 [ 65.300503][ T4156] lock_acquire+0x240/0x77c [ 65.301862][ T4156] __flush_work+0xf8/0x1c0 [ 65.303205][ T4156] __cancel_work_timer+0x3ec/0x548 [ 65.304844][ T4156] cancel_work_sync+0x24/0x38 [ 65.306293][ T4156] hci_request_cancel_all+0xcc/0x2d0 [ 65.307959][ T4156] hci_dev_do_close+0x54/0x1060 [ 65.309459][ T4156] hci_rfkill_set_block+0xdc/0x1d0 [ 65.311189][ T4156] rfkill_set_block+0x18c/0x37c [ 65.312720][ T4156] rfkill_fop_write+0x594/0x750 [ 65.314300][ T4156] vfs_write+0x280/0xb44 [ 65.315645][ T4156] ksys_write+0x15c/0x26c [ 65.317043][ T4156] __arm64_sys_write+0x7c/0x90 [ 65.318495][ T4156] invoke_syscall+0x98/0x2b8 [ 65.319868][ T4156] el0_svc_common+0x138/0x258 [ 65.321256][ T4156] do_el0_svc+0x58/0x14c [ 65.322531][ T4156] el0_svc+0x7c/0x1f0 [ 65.323726][ T4156] el0t_64_sync_handler+0x84/0xe4 [ 65.325274][ T4156] el0t_64_sync+0x1a0/0x1a4 [ 65.326615][ T4156] [ 65.326615][ T4156] other info that might help us debug this: [ 65.326615][ T4156] [ 65.329416][ T4156] Chain exists of: [ 65.329416][ T4156] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 65.329416][ T4156] [ 65.333732][ T4156] Possible unsafe locking scenario: [ 65.333732][ T4156] [ 65.335730][ T4156] CPU0 CPU1 [ 65.337251][ T4156] ---- ---- [ 65.338690][ T4156] lock(rfkill_global_mutex); [ 65.339941][ T4156] lock(&data->open_mutex); [ 65.341927][ T4156] lock(rfkill_global_mutex); [ 65.344005][ T4156] lock((work_completion)(&hdev->bg_scan_update)); [ 65.345777][ T4156] [ 65.345777][ T4156] *** DEADLOCK *** [ 65.345777][ T4156] [ 65.348033][ T4156] 1 lock held by syz.0.16/4156: [ 65.349329][ T4156] #0: ffff800016f39608 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 65.352059][ T4156] [ 65.352059][ T4156] stack backtrace: [ 65.353922][ T4156] CPU: 1 PID: 4156 Comm: syz.0.16 Not tainted 5.15.178-syzkaller #0 [ 65.356245][ T4156] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 65.359037][ T4156] Call trace: [ 65.359915][ T4156] dump_backtrace+0x0/0x530 [ 65.361232][ T4156] show_stack+0x2c/0x3c [ 65.362436][ T4156] dump_stack_lvl+0x108/0x170 [ 65.363754][ T4156] dump_stack+0x1c/0x58 [ 65.364783][ T4156] print_circular_bug+0x150/0x1b8 [ 65.366153][ T4156] check_noncircular+0x2cc/0x378 [ 65.367488][ T4156] __lock_acquire+0x32d4/0x7638 [ 65.368814][ T4156] lock_acquire+0x240/0x77c [ 65.370103][ T4156] __flush_work+0xf8/0x1c0 [ 65.371391][ T4156] __cancel_work_timer+0x3ec/0x548 [ 65.372849][ T4156] cancel_work_sync+0x24/0x38 [ 65.374164][ T4156] hci_request_cancel_all+0xcc/0x2d0 [ 65.375648][ T4156] hci_dev_do_close+0x54/0x1060 [ 65.377052][ T4156] hci_rfkill_set_block+0xdc/0x1d0 [ 65.378422][ T4156] rfkill_set_block+0x18c/0x37c [ 65.379775][ T4156] rfkill_fop_write+0x594/0x750 [ 65.381099][ T4156] vfs_write+0x280/0xb44 [ 65.382268][ T4156] ksys_write+0x15c/0x26c [ 65.383430][ T4156] __arm64_sys_write+0x7c/0x90 [ 65.384674][ T4156] invoke_syscall+0x98/0x2b8 [ 65.385950][ T4156] el0_svc_common+0x138/0x258 [ 65.387253][ T4156] do_el0_svc+0x58/0x14c [ 65.388443][ T4156] el0_svc+0x7c/0x1f0 [ 65.389579][ T4156] el0t_64_sync_handler+0x84/0xe4 [ 65.390914][ T4156] el0t_64_sync+0x1a0/0x1a4