Warning: Permanently added '10.128.0.231' (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 [ 48.397412][ T4022] cgroup: Unknown subsys name 'net' [ 48.668501][ T4022] cgroup: Unknown subsys name 'rlimit' [ 48.985611][ T4022] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 58.504770][ T532] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 58.506492][ T532] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 58.508674][ T532] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 58.523253][ T153] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 58.524928][ T153] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 58.531109][ T532] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 58.849405][ T4072] chnl_net:caif_netlink_parms(): no params data found [ 58.891042][ T4072] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.892599][ T4072] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.896492][ T4072] device bridge_slave_0 entered promiscuous mode [ 58.900249][ T4072] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.901719][ T4072] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.904690][ T4072] device bridge_slave_1 entered promiscuous mode [ 58.922047][ T4072] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.926629][ T4072] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.943478][ T4072] team0: Port device team_slave_0 added [ 58.946788][ T4072] team0: Port device team_slave_1 added [ 58.961916][ T4072] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 58.963631][ T4072] 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. [ 58.968918][ T4072] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 58.974321][ T4072] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 58.975792][ T4072] 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. [ 58.981030][ T4072] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 59.044931][ T4072] device hsr_slave_0 entered promiscuous mode [ 59.083246][ T4072] device hsr_slave_1 entered promiscuous mode [ 59.207717][ T4072] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 59.268398][ T4072] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 59.315655][ T4072] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 59.367155][ T4072] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 59.500313][ T4072] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.509595][ T532] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.511618][ T532] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.518304][ T4072] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.522352][ T532] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.525867][ T532] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.528301][ T532] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.529981][ T532] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.535546][ T532] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.538080][ T532] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.540366][ T532] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.542465][ T532] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.544356][ T532] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.565251][ T532] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.567725][ T532] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.570141][ T532] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.574382][ T532] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.576572][ T532] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.579017][ T532] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.582461][ T532] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.585517][ T532] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.587710][ T532] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.597380][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.599700][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.603674][ T4072] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.676231][ T532] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.678013][ T532] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.685637][ T4072] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.696844][ T532] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 59.699204][ T532] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 59.715986][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 59.718331][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 59.720662][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 59.723686][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 59.727463][ T4072] device veth0_vlan entered promiscuous mode [ 59.743321][ T4072] device veth1_vlan entered promiscuous mode [ 59.760548][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 59.762546][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 59.765343][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 59.767727][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 59.774313][ T4072] device veth0_macvtap entered promiscuous mode [ 59.778162][ T4072] device veth1_macvtap entered promiscuous mode [ 59.791322][ T4072] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 59.798676][ T4072] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 59.805415][ T4072] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.807306][ T4072] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.809105][ T4072] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.810909][ T4072] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.816124][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 59.818515][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 59.820993][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 59.824505][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 59.826793][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 59.829145][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 1970/01/01 00:01:00 executed programs: 0 [ 60.426320][ T4112] chnl_net:caif_netlink_parms(): no params data found [ 60.464932][ T4112] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.466672][ T4112] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.468927][ T4112] device bridge_slave_0 entered promiscuous mode [ 60.472435][ T4112] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.474599][ T4112] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.476829][ T4112] device bridge_slave_1 entered promiscuous mode [ 60.497463][ T4112] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.501398][ T4112] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.517035][ T4112] team0: Port device team_slave_0 added [ 60.520337][ T4112] team0: Port device team_slave_1 added [ 60.537455][ T4112] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 60.539003][ 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. [ 60.545070][ T4112] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 60.549083][ T4112] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 60.550817][ 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. [ 60.557019][ T4112] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 60.634777][ T4112] device hsr_slave_0 entered promiscuous mode [ 60.683211][ T4112] device hsr_slave_1 entered promiscuous mode [ 60.722825][ T4112] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 60.724569][ T4112] Cannot create hsr debugfs directory [ 60.786654][ T4112] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 62.443273][ T4089] Bluetooth: hci1: command 0x0409 tx timeout [ 63.200456][ T4112] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 64.522842][ T3604] Bluetooth: hci1: command 0x041b tx timeout [ 65.360189][ T4112] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 65.426950][ T4112] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 65.624449][ T4112] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 65.705075][ T4112] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 65.734586][ T4112] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 65.775795][ T4112] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 65.882973][ T4112] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.890368][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.892523][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.900686][ T4112] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.938682][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.940955][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.944614][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.946136][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.948465][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.954050][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.956368][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.958556][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.960033][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.964408][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.968394][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.986087][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.988696][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.991046][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.997130][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.999640][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.005210][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.008960][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.015349][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.017688][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.026477][ T4112] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.103595][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.105299][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.111952][ T4112] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.133344][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 66.135597][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 66.139372][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 66.141473][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 66.164819][ T4112] device veth0_vlan entered promiscuous mode [ 66.170784][ T4112] device veth1_vlan entered promiscuous mode [ 66.173185][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 66.176126][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 66.178250][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 66.194555][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 66.196655][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 66.198789][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 66.206041][ T4112] device veth0_macvtap entered promiscuous mode [ 66.210321][ T4112] device veth1_macvtap entered promiscuous mode [ 66.226342][ T4112] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 66.228479][ T4112] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 66.231482][ T4112] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 66.233879][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 66.235914][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 66.237916][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 66.240057][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 66.244616][ T4112] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 66.246730][ T4112] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 66.249650][ T4112] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 66.251311][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 66.255042][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 66.259268][ T4112] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.261106][ T4112] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.263124][ T4112] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.264824][ T4112] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.312298][ T153] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 66.321288][ T153] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 66.326641][ T148] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 66.328372][ T148] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 66.330743][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 66.334387][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 66.366255][ T4124] [ 66.366726][ T4124] ====================================================== [ 66.368311][ T4124] WARNING: possible circular locking dependency detected [ 66.369822][ T4124] 5.15.170-syzkaller #0 Not tainted [ 66.370903][ T4124] ------------------------------------------------------ [ 66.372511][ T4124] syz.0.15/4124 is trying to acquire lock: [ 66.373727][ T4124] ffff0000d7608c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xd0/0x1c0 [ 66.376131][ T4124] [ 66.376131][ T4124] but task is already holding lock: [ 66.377727][ T4124] ffff800016e76f28 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 66.379878][ T4124] [ 66.379878][ T4124] which lock already depends on the new lock. [ 66.379878][ T4124] [ 66.382285][ T4124] [ 66.382285][ T4124] the existing dependency chain (in reverse order) is: [ 66.384212][ T4124] [ 66.384212][ T4124] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 66.386095][ T4124] __mutex_lock_common+0x194/0x2154 [ 66.387493][ T4124] mutex_lock_nested+0xa4/0xf8 [ 66.388661][ T4124] rfkill_register+0x44/0x7a4 [ 66.389815][ T4124] hci_register_dev+0x3e0/0x880 [ 66.390954][ T4124] vhci_create_device+0x2c4/0x568 [ 66.392331][ T4124] vhci_write+0x318/0x3b8 [ 66.393339][ T4124] vfs_write+0x884/0xb44 [ 66.394312][ T4124] ksys_write+0x15c/0x26c [ 66.395628][ T4124] __arm64_sys_write+0x7c/0x90 [ 66.396904][ T4124] invoke_syscall+0x98/0x2b8 [ 66.398133][ T4124] el0_svc_common+0x138/0x258 [ 66.399317][ T4124] do_el0_svc+0x58/0x14c [ 66.400491][ T4124] el0_svc+0x7c/0x1f0 [ 66.401496][ T4124] el0t_64_sync_handler+0x84/0xe4 [ 66.402854][ T4124] el0t_64_sync+0x1a0/0x1a4 [ 66.404048][ T4124] [ 66.404048][ T4124] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 66.405826][ T4124] __mutex_lock_common+0x194/0x2154 [ 66.407152][ T4124] mutex_lock_nested+0xa4/0xf8 [ 66.408311][ T4124] vhci_send_frame+0x8c/0x10c [ 66.409576][ T4124] hci_send_frame+0x194/0x2f0 [ 66.410841][ T4124] hci_tx_work+0x9ac/0x16cc [ 66.412040][ T4124] process_one_work+0x790/0x11b8 [ 66.413326][ T4124] worker_thread+0x910/0x1034 [ 66.414453][ T4124] kthread+0x37c/0x45c [ 66.415672][ T4124] ret_from_fork+0x10/0x20 [ 66.416852][ T4124] [ 66.416852][ T4124] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 66.419028][ T4124] __flush_work+0xf8/0x1c0 [ 66.420067][ T4124] flush_work+0x24/0x38 [ 66.421136][ T4124] hci_dev_do_close+0x16c/0x1060 [ 66.422405][ T4124] hci_unregister_dev+0x248/0x4d4 [ 66.423806][ T4124] vhci_release+0x74/0xc4 [ 66.424942][ T4124] __fput+0x1c4/0x800 [ 66.425936][ T4124] ____fput+0x20/0x30 [ 66.426942][ T4124] task_work_run+0x130/0x1e4 [ 66.428080][ T4124] do_exit+0x670/0x20bc [ 66.429205][ T4124] do_group_exit+0x110/0x268 [ 66.430274][ T4124] get_signal+0x634/0x1550 [ 66.431288][ T4124] do_notify_resume+0x3d0/0x32b8 [ 66.432509][ T4124] el0_svc+0xfc/0x1f0 [ 66.433503][ T4124] el0t_64_sync_handler+0x84/0xe4 [ 66.434712][ T4124] el0t_64_sync+0x1a0/0x1a4 [ 66.435911][ T4124] [ 66.435911][ T4124] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 66.437524][ T4124] __mutex_lock_common+0x194/0x2154 [ 66.438735][ T4124] mutex_lock_nested+0xa4/0xf8 [ 66.439729][ T4124] bg_scan_update+0x9c/0x470 [ 66.440844][ T4124] process_one_work+0x790/0x11b8 [ 66.442040][ T4124] worker_thread+0x910/0x1034 [ 66.443380][ T4124] kthread+0x37c/0x45c [ 66.444357][ T4124] ret_from_fork+0x10/0x20 [ 66.445625][ T4124] [ 66.445625][ T4124] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 66.448014][ T4124] __lock_acquire+0x32d4/0x7638 [ 66.449221][ T4124] lock_acquire+0x240/0x77c [ 66.450281][ T4124] __flush_work+0xf8/0x1c0 [ 66.451270][ T4124] __cancel_work_timer+0x3ec/0x548 [ 66.452565][ T4124] cancel_work_sync+0x24/0x38 [ 66.453759][ T4124] hci_request_cancel_all+0xcc/0x2d0 [ 66.455087][ T4124] hci_dev_do_close+0x54/0x1060 [ 66.456285][ T4124] hci_rfkill_set_block+0xdc/0x1d0 [ 66.457412][ T4124] rfkill_set_block+0x18c/0x37c [ 66.458565][ T4124] rfkill_fop_write+0x594/0x750 [ 66.459746][ T4124] vfs_write+0x280/0xb44 [ 66.460730][ T4124] ksys_write+0x15c/0x26c [ 66.461773][ T4124] __arm64_sys_write+0x7c/0x90 [ 66.462883][ T4124] invoke_syscall+0x98/0x2b8 [ 66.464069][ T4124] el0_svc_common+0x138/0x258 [ 66.465223][ T4124] do_el0_svc+0x58/0x14c [ 66.466371][ T4124] el0_svc+0x7c/0x1f0 [ 66.467374][ T4124] el0t_64_sync_handler+0x84/0xe4 [ 66.468504][ T4124] el0t_64_sync+0x1a0/0x1a4 [ 66.469524][ T4124] [ 66.469524][ T4124] other info that might help us debug this: [ 66.469524][ T4124] [ 66.471850][ T4124] Chain exists of: [ 66.471850][ T4124] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 66.471850][ T4124] [ 66.475159][ T4124] Possible unsafe locking scenario: [ 66.475159][ T4124] [ 66.476685][ T4124] CPU0 CPU1 [ 66.477904][ T4124] ---- ---- [ 66.479122][ T4124] lock(rfkill_global_mutex); [ 66.480245][ T4124] lock(&data->open_mutex); [ 66.481866][ T4124] lock(rfkill_global_mutex); [ 66.483406][ T4124] lock((work_completion)(&hdev->bg_scan_update)); [ 66.484846][ T4124] [ 66.484846][ T4124] *** DEADLOCK *** [ 66.484846][ T4124] [ 66.486578][ T4124] 1 lock held by syz.0.15/4124: [ 66.487550][ T4124] #0: ffff800016e76f28 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 66.489687][ T4124] [ 66.489687][ T4124] stack backtrace: [ 66.490982][ T4124] CPU: 1 PID: 4124 Comm: syz.0.15 Not tainted 5.15.170-syzkaller #0 [ 66.492655][ T4124] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 66.494710][ T4124] Call trace: [ 66.495434][ T4124] dump_backtrace+0x0/0x530 [ 66.496585][ T4124] show_stack+0x2c/0x3c [ 66.497488][ T4124] dump_stack_lvl+0x108/0x170 [ 66.498496][ T4124] dump_stack+0x1c/0x58 [ 66.499390][ T4124] print_circular_bug+0x150/0x1b8 [ 66.500559][ T4124] check_noncircular+0x2cc/0x378 [ 66.501798][ T4124] __lock_acquire+0x32d4/0x7638 [ 66.502915][ T4124] lock_acquire+0x240/0x77c [ 66.503879][ T4124] __flush_work+0xf8/0x1c0 [ 66.504824][ T4124] __cancel_work_timer+0x3ec/0x548 [ 66.505943][ T4124] cancel_work_sync+0x24/0x38 [ 66.506967][ T4124] hci_request_cancel_all+0xcc/0x2d0 [ 66.508321][ T4124] hci_dev_do_close+0x54/0x1060 [ 66.509479][ T4124] hci_rfkill_set_block+0xdc/0x1d0 [ 66.510684][ T4124] rfkill_set_block+0x18c/0x37c [ 66.511894][ T4124] rfkill_fop_write+0x594/0x750 [ 66.512983][ T4124] vfs_write+0x280/0xb44 [ 66.513995][ T4124] ksys_write+0x15c/0x26c [ 66.515205][ T4124] __arm64_sys_write+0x7c/0x90 [ 66.516282][ T4124] invoke_syscall+0x98/0x2b8 [ 66.517395][ T4124] el0_svc_common+0x138/0x258 [ 66.518520][ T4124] do_el0_svc+0x58/0x14c [ 66.519524][ T4124] el0_svc+0x7c/0x1f0 [ 66.520477][ T4124] el0t_64_sync_handler+0x84/0xe4 [ 66.521800][ T4124] el0t_64_sync+0x1a0/0x1a4 [ 66.603414][ T4067] Bluetooth: hci1: command 0x040f tx timeout