Warning: Permanently added '10.128.1.69' (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 [ 47.810242][ T4029] cgroup: Unknown subsys name 'net' [ 48.083852][ T4029] cgroup: Unknown subsys name 'rlimit' [ 48.467348][ T4029] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 57.750273][ T4073] chnl_net:caif_netlink_parms(): no params data found [ 57.794728][ T4073] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.796408][ T4073] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.799430][ T4073] device bridge_slave_0 entered promiscuous mode [ 57.804666][ T4073] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.806306][ T4073] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.809179][ T4073] device bridge_slave_1 entered promiscuous mode [ 57.824931][ T4073] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.829111][ T4073] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.845617][ T4073] team0: Port device team_slave_0 added [ 57.848908][ T4073] team0: Port device team_slave_1 added [ 57.862091][ T4073] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 57.863836][ T4073] 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. [ 57.870740][ T4073] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 57.875344][ T4073] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 57.877669][ T4073] 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. [ 57.883521][ T4073] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 57.939276][ T4073] device hsr_slave_0 entered promiscuous mode [ 57.977183][ T4073] device hsr_slave_1 entered promiscuous mode [ 58.105742][ T4073] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 58.161160][ T4073] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 58.211146][ T4073] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 58.250678][ T4073] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 58.362640][ T4073] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.374117][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.377777][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.382661][ T4073] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.390165][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.392772][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.395488][ T153] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.397454][ T153] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.403027][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.406020][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.410670][ T153] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.412285][ T153] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.414691][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.421172][ T1626] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.447360][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.450165][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.453414][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.463555][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.467398][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.470195][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.472728][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.475323][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.482838][ T4073] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 58.486103][ T4073] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.490901][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.493562][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.579037][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.581023][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.588293][ T4073] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.600522][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 58.603153][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 58.619782][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 58.624460][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 58.630205][ T4073] device veth0_vlan entered promiscuous mode [ 58.632530][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 58.634978][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 58.648194][ T4073] device veth1_vlan entered promiscuous mode [ 58.666316][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 58.669754][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 58.674034][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 58.684335][ T4073] device veth0_macvtap entered promiscuous mode [ 58.688794][ T4073] device veth1_macvtap entered promiscuous mode [ 58.703831][ T4073] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 58.710964][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 58.713663][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 58.716310][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 58.720613][ T4073] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 58.722650][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 58.725165][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 58.731116][ T4073] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.733376][ T4073] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.735540][ T4073] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.739920][ T4073] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.094922][ T1626] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 59.100616][ T1626] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 59.103548][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 59.119024][ T416] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 59.121097][ T416] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 59.124018][ T416] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:00:59 executed programs: 0 [ 59.684759][ T4116] chnl_net:caif_netlink_parms(): no params data found [ 59.721191][ T4116] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.723247][ T4116] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.725778][ T4116] device bridge_slave_0 entered promiscuous mode [ 59.730220][ T4116] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.732110][ T4116] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.734636][ T4116] device bridge_slave_1 entered promiscuous mode [ 59.751037][ T4116] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.755600][ T4116] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.771074][ T4116] team0: Port device team_slave_0 added [ 59.774525][ T4116] team0: Port device team_slave_1 added [ 59.790136][ T4116] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 59.791984][ T4116] 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. [ 59.798940][ T4116] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 59.803450][ T4116] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 59.805207][ T4116] 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. [ 59.812800][ T4116] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 59.868918][ T4116] device hsr_slave_0 entered promiscuous mode [ 59.907282][ T4116] device hsr_slave_1 entered promiscuous mode [ 59.946813][ T4116] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 59.948956][ T4116] Cannot create hsr debugfs directory [ 60.034797][ T4116] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 61.647269][ T4090] Bluetooth: hci0: command 0x0409 tx timeout [ 62.665371][ T4116] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 63.717175][ T4090] Bluetooth: hci0: command 0x041b tx timeout [ 64.333360][ T4116] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 64.405483][ T4116] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 64.560082][ T4116] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 64.588920][ T4116] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 64.639720][ T4116] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 64.710979][ T4116] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 64.801652][ T4116] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.811699][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.814022][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.819030][ T4116] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.823484][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.826074][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.829001][ T153] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.830590][ T153] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.832836][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.837890][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.840337][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.842723][ T153] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.844437][ T153] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.852616][ T416] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.858770][ T416] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.862996][ T416] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.865844][ T416] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.870370][ T416] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.874673][ T416] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.879078][ T416] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.885274][ T416] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.888475][ T416] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.893737][ T416] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.896217][ T416] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.902863][ T4116] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.975509][ T416] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 64.977963][ T416] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 64.984751][ T4116] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.000556][ T416] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 65.003377][ T416] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 65.017753][ T416] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 65.020510][ T416] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 65.023193][ T416] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 65.025619][ T416] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 65.051343][ T4116] device veth0_vlan entered promiscuous mode [ 65.059389][ T4116] device veth1_vlan entered promiscuous mode [ 65.073701][ T416] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 65.076198][ T416] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 65.088494][ T416] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 65.092346][ T416] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 65.099072][ T4116] device veth0_macvtap entered promiscuous mode [ 65.103558][ T4116] device veth1_macvtap entered promiscuous mode [ 65.113385][ T4116] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 65.116263][ T4116] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 65.121013][ T4116] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 65.123630][ T416] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 65.126104][ T416] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 65.129720][ T416] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 65.132304][ T416] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 65.138548][ T4116] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 65.141246][ T4116] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 65.144826][ T4116] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 65.150764][ T416] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 65.153296][ T416] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 65.158498][ T4116] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.160823][ T4116] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.163015][ T4116] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.165349][ T4116] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.202507][ T153] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 65.207184][ T153] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 65.212956][ T1626] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 65.222393][ T1626] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 65.224590][ T1626] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 65.228688][ T1626] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 65.428004][ T4133] [ 65.428608][ T4133] ====================================================== [ 65.430284][ T4133] WARNING: possible circular locking dependency detected [ 65.431858][ T4133] 5.15.179-syzkaller #0 Not tainted [ 65.433049][ T4133] ------------------------------------------------------ [ 65.434678][ T4133] syz.0.16/4133 is trying to acquire lock: [ 65.436044][ T4133] ffff0000d5920c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xd0/0x1c0 [ 65.438615][ T4133] [ 65.438615][ T4133] but task is already holding lock: [ 65.440317][ T4133] ffff800016f3ae48 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 65.442796][ T4133] [ 65.442796][ T4133] which lock already depends on the new lock. [ 65.442796][ T4133] [ 65.445344][ T4133] [ 65.445344][ T4133] the existing dependency chain (in reverse order) is: [ 65.447534][ T4133] [ 65.447534][ T4133] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 65.449686][ T4133] __mutex_lock_common+0x194/0x2154 [ 65.451123][ T4133] mutex_lock_nested+0xa4/0xf8 [ 65.452503][ T4133] rfkill_register+0x44/0x7a4 [ 65.453832][ T4133] hci_register_dev+0x3e0/0x880 [ 65.455246][ T4133] vhci_create_device+0x2c4/0x568 [ 65.456673][ T4133] vhci_write+0x318/0x3b8 [ 65.457893][ T4133] vfs_write+0x884/0xb44 [ 65.459132][ T4133] ksys_write+0x15c/0x26c [ 65.460322][ T4133] __arm64_sys_write+0x7c/0x90 [ 65.461554][ T4133] invoke_syscall+0x98/0x2b8 [ 65.462842][ T4133] el0_svc_common+0x138/0x258 [ 65.464183][ T4133] do_el0_svc+0x58/0x14c [ 65.465403][ T4133] el0_svc+0x7c/0x1f0 [ 65.466494][ T4133] el0t_64_sync_handler+0x84/0xe4 [ 65.467973][ T4133] el0t_64_sync+0x1a0/0x1a4 [ 65.469238][ T4133] [ 65.469238][ T4133] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 65.471168][ T4133] __mutex_lock_common+0x194/0x2154 [ 65.472690][ T4133] mutex_lock_nested+0xa4/0xf8 [ 65.473948][ T4133] vhci_send_frame+0x8c/0x10c [ 65.475299][ T4133] hci_send_frame+0x194/0x2f0 [ 65.476614][ T4133] hci_tx_work+0x9ac/0x16cc [ 65.477814][ T4133] process_one_work+0x790/0x11b8 [ 65.479273][ T4133] worker_thread+0x910/0x1034 [ 65.480576][ T4133] kthread+0x37c/0x45c [ 65.481754][ T4133] ret_from_fork+0x10/0x20 [ 65.482987][ T4133] [ 65.482987][ T4133] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 65.485209][ T4133] __flush_work+0xf8/0x1c0 [ 65.486432][ T4133] flush_work+0x24/0x38 [ 65.487568][ T4133] hci_dev_do_close+0x16c/0x1060 [ 65.488836][ T4133] hci_unregister_dev+0x248/0x4d4 [ 65.490178][ T4133] vhci_release+0x74/0xc4 [ 65.491409][ T4133] __fput+0x1c4/0x800 [ 65.492480][ T4133] ____fput+0x20/0x30 [ 65.493535][ T4133] task_work_run+0x130/0x1e4 [ 65.494866][ T4133] do_exit+0x670/0x20bc [ 65.496138][ T4133] do_group_exit+0x110/0x268 [ 65.497439][ T4133] get_signal+0x634/0x1550 [ 65.498707][ T4133] do_notify_resume+0x3d0/0x32b8 [ 65.500078][ T4133] el0_svc+0xfc/0x1f0 [ 65.501240][ T4133] el0t_64_sync_handler+0x84/0xe4 [ 65.502646][ T4133] el0t_64_sync+0x1a0/0x1a4 [ 65.503881][ T4133] [ 65.503881][ T4133] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 65.505757][ T4133] __mutex_lock_common+0x194/0x2154 [ 65.507267][ T4133] mutex_lock_nested+0xa4/0xf8 [ 65.508557][ T4133] bg_scan_update+0x9c/0x470 [ 65.509752][ T4133] process_one_work+0x790/0x11b8 [ 65.511123][ T4133] worker_thread+0x910/0x1034 [ 65.512399][ T4133] kthread+0x37c/0x45c [ 65.513581][ T4133] ret_from_fork+0x10/0x20 [ 65.514898][ T4133] [ 65.514898][ T4133] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 65.517412][ T4133] __lock_acquire+0x32d4/0x7638 [ 65.518789][ T4133] lock_acquire+0x240/0x77c [ 65.520084][ T4133] __flush_work+0xf8/0x1c0 [ 65.521389][ T4133] __cancel_work_timer+0x3ec/0x548 [ 65.522837][ T4133] cancel_work_sync+0x24/0x38 [ 65.524172][ T4133] hci_request_cancel_all+0xcc/0x2d0 [ 65.525623][ T4133] hci_dev_do_close+0x54/0x1060 [ 65.527116][ T4133] hci_rfkill_set_block+0xdc/0x1d0 [ 65.528538][ T4133] rfkill_set_block+0x18c/0x37c [ 65.529884][ T4133] rfkill_fop_write+0x594/0x750 [ 65.531224][ T4133] vfs_write+0x280/0xb44 [ 65.532402][ T4133] ksys_write+0x15c/0x26c [ 65.533551][ T4133] __arm64_sys_write+0x7c/0x90 [ 65.534860][ T4133] invoke_syscall+0x98/0x2b8 [ 65.536081][ T4133] el0_svc_common+0x138/0x258 [ 65.537445][ T4133] do_el0_svc+0x58/0x14c [ 65.538774][ T4133] el0_svc+0x7c/0x1f0 [ 65.539901][ T4133] el0t_64_sync_handler+0x84/0xe4 [ 65.541338][ T4133] el0t_64_sync+0x1a0/0x1a4 [ 65.542641][ T4133] [ 65.542641][ T4133] other info that might help us debug this: [ 65.542641][ T4133] [ 65.545225][ T4133] Chain exists of: [ 65.545225][ T4133] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 65.545225][ T4133] [ 65.549278][ T4133] Possible unsafe locking scenario: [ 65.549278][ T4133] [ 65.551130][ T4133] CPU0 CPU1 [ 65.552398][ T4133] ---- ---- [ 65.553767][ T4133] lock(rfkill_global_mutex); [ 65.554904][ T4133] lock(&data->open_mutex); [ 65.556761][ T4133] lock(rfkill_global_mutex); [ 65.558534][ T4133] lock((work_completion)(&hdev->bg_scan_update)); [ 65.560194][ T4133] [ 65.560194][ T4133] *** DEADLOCK *** [ 65.560194][ T4133] [ 65.562184][ T4133] 1 lock held by syz.0.16/4133: [ 65.563445][ T4133] #0: ffff800016f3ae48 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 65.565924][ T4133] [ 65.565924][ T4133] stack backtrace: [ 65.567464][ T4133] CPU: 0 PID: 4133 Comm: syz.0.16 Not tainted 5.15.179-syzkaller #0 [ 65.569512][ T4133] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 65.572188][ T4133] Call trace: [ 65.572946][ T4133] dump_backtrace+0x0/0x530 [ 65.574046][ T4133] show_stack+0x2c/0x3c [ 65.575110][ T4133] dump_stack_lvl+0x108/0x170 [ 65.576313][ T4133] dump_stack+0x1c/0x58 [ 65.577298][ T4133] print_circular_bug+0x150/0x1b8 [ 65.578541][ T4133] check_noncircular+0x2cc/0x378 [ 65.579802][ T4133] __lock_acquire+0x32d4/0x7638 [ 65.581005][ T4133] lock_acquire+0x240/0x77c [ 65.582129][ T4133] __flush_work+0xf8/0x1c0 [ 65.583231][ T4133] __cancel_work_timer+0x3ec/0x548 [ 65.584575][ T4133] cancel_work_sync+0x24/0x38 [ 65.585727][ T4133] hci_request_cancel_all+0xcc/0x2d0 [ 65.587033][ T4133] hci_dev_do_close+0x54/0x1060 [ 65.588312][ T4133] hci_rfkill_set_block+0xdc/0x1d0 [ 65.589557][ T4133] rfkill_set_block+0x18c/0x37c [ 65.590798][ T4133] rfkill_fop_write+0x594/0x750 [ 65.592029][ T4133] vfs_write+0x280/0xb44 [ 65.593190][ T4133] ksys_write+0x15c/0x26c [ 65.594179][ T4133] __arm64_sys_write+0x7c/0x90 [ 65.595332][ T4133] invoke_syscall+0x98/0x2b8 [ 65.596592][ T4133] el0_svc_common+0x138/0x258 [ 65.597779][ T4133] do_el0_svc+0x58/0x14c [ 65.598863][ T4133] el0_svc+0x7c/0x1f0 [ 65.599865][ T4133] el0t_64_sync_handler+0x84/0xe4 [ 65.601149][ T4133] el0t_64_sync+0x1a0/0x1a4