Warning: Permanently added '10.128.1.174' (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 [ 48.316800][ T4024] cgroup: Unknown subsys name 'net' [ 48.594286][ T4024] cgroup: Unknown subsys name 'rlimit' [ 48.966300][ T4024] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 51.375357][ T4061] chnl_net:caif_netlink_parms(): no params data found [ 51.416875][ T4061] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.418754][ T4061] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.421188][ T4061] device bridge_slave_0 entered promiscuous mode [ 51.425220][ T4061] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.426693][ T4061] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.429501][ T4061] device bridge_slave_1 entered promiscuous mode [ 51.446805][ T4061] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 51.453278][ T4061] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 51.468978][ T4061] team0: Port device team_slave_0 added [ 51.473002][ T4061] team0: Port device team_slave_1 added [ 51.486766][ T4061] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 51.488652][ T4061] 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. [ 51.494209][ T4061] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 51.498881][ T4061] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 51.500414][ T4061] 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. [ 51.505983][ T4061] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 51.561298][ T4061] device hsr_slave_0 entered promiscuous mode [ 51.618421][ T4061] device hsr_slave_1 entered promiscuous mode [ 51.817884][ T4061] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 51.861040][ T4061] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 51.912045][ T4061] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 51.960612][ T4061] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 52.057889][ T4061] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.059645][ T4061] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.061676][ T4061] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.063386][ T4061] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.119545][ T4061] 8021q: adding VLAN 0 to HW filter on device bond0 [ 52.127220][ T335] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 52.134616][ T335] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.138217][ T335] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.141503][ T335] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 52.150917][ T4061] 8021q: adding VLAN 0 to HW filter on device team0 [ 52.163892][ T335] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 52.166170][ T335] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.167695][ T335] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.171623][ T335] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 52.173805][ T335] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.175340][ T335] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.193445][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 52.196342][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 52.202967][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 52.205839][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 52.214596][ T4061] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 52.217475][ T4061] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 52.222900][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 52.306351][ T4061] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 52.312369][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 52.314139][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 52.327593][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 52.345957][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 52.350017][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 52.352141][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 52.357757][ T4061] device veth0_vlan entered promiscuous mode [ 52.366821][ T4061] device veth1_vlan entered promiscuous mode [ 52.386668][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 52.389471][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 52.395988][ T4061] device veth0_macvtap entered promiscuous mode [ 52.401677][ T4061] device veth1_macvtap entered promiscuous mode [ 52.415345][ T4061] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 52.417106][ T1600] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 52.419961][ T1600] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 52.422103][ T1600] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 52.424426][ T1600] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 52.429488][ T4061] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 52.431166][ T1600] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 52.434427][ T1600] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 52.439199][ T4061] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.441070][ T4061] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.442898][ T4061] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.444836][ T4061] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.044012][ T9] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 53.408544][ T1600] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 53.410319][ T1600] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 53.412862][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 53.431674][ T1600] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 53.433389][ T1600] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 53.435672][ T1600] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:00:53 executed programs: 0 [ 53.608245][ T4103] chnl_net:caif_netlink_parms(): no params data found [ 53.642324][ T4103] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.644025][ T4103] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.646489][ T4103] device bridge_slave_0 entered promiscuous mode [ 53.650297][ T4103] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.651786][ T4103] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.653909][ T4103] device bridge_slave_1 entered promiscuous mode [ 53.669134][ T4103] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 53.673011][ T4103] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 53.689187][ T4103] team0: Port device team_slave_0 added [ 53.692190][ T4103] team0: Port device team_slave_1 added [ 53.705173][ T4103] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 53.706660][ T4103] 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. [ 53.712569][ T4103] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 53.716311][ T4103] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 53.717799][ T4103] 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. [ 53.724079][ T4103] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 53.780354][ T4103] device hsr_slave_0 entered promiscuous mode [ 53.808507][ T4103] device hsr_slave_1 entered promiscuous mode [ 53.858148][ T4103] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 53.860032][ T4103] Cannot create hsr debugfs directory [ 55.185739][ T9] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 55.559197][ T4068] Bluetooth: hci0: command 0x0409 tx timeout [ 57.638250][ T21] Bluetooth: hci0: command 0x041b tx timeout [ 57.744994][ T9] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 57.799298][ T9] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 58.711993][ T4103] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 58.750646][ T4103] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 58.810651][ T4103] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 58.870439][ T4103] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 58.977912][ T4103] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.985358][ T1701] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.987526][ T1701] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.992206][ T4103] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.996324][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.001497][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.003719][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.005389][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.008751][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.014339][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.016600][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.019353][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.020905][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.026077][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.033601][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.042433][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.045005][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.047328][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.051438][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.054351][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.059862][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.062359][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.067173][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.074457][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.120314][ T4103] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.193922][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.195637][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.204242][ T4103] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.216517][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 59.219087][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 59.232546][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 59.234948][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 59.237453][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 59.240117][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 59.244015][ T4103] device veth0_vlan entered promiscuous mode [ 59.253546][ T4103] device veth1_vlan entered promiscuous mode [ 59.267763][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 59.270782][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 59.272883][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 59.275137][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 59.281010][ T4103] device veth0_macvtap entered promiscuous mode [ 59.285197][ T4103] device veth1_macvtap entered promiscuous mode [ 59.296406][ T4103] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 59.299925][ T4103] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 59.302934][ T4103] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 59.304658][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 59.306945][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 59.310131][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 59.313501][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 59.317644][ T4103] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 59.320094][ T4103] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 59.323322][ T4103] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 59.324962][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 59.327338][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 59.332256][ T4103] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.334141][ T4103] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.336167][ T4103] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.339199][ T4103] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.377791][ T335] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 59.379875][ T335] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 59.382718][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 59.399106][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 59.400934][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 59.403519][ T335] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 59.607356][ T4154] [ 59.607943][ T4154] ====================================================== [ 59.609504][ T4154] WARNING: possible circular locking dependency detected [ 59.610980][ T4154] 5.15.173-syzkaller #0 Not tainted [ 59.612101][ T4154] ------------------------------------------------------ [ 59.613629][ T4154] syz.0.15/4154 is trying to acquire lock: [ 59.614740][ T4154] ffff0000dcd14c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xd0/0x1c0 [ 59.617180][ T4154] [ 59.617180][ T4154] but task is already holding lock: [ 59.618820][ T4154] ffff800016f25fe8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 59.621042][ T4154] [ 59.621042][ T4154] which lock already depends on the new lock. [ 59.621042][ T4154] [ 59.623255][ T4154] [ 59.623255][ T4154] the existing dependency chain (in reverse order) is: [ 59.625429][ T4154] [ 59.625429][ T4154] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 59.627101][ T4154] __mutex_lock_common+0x194/0x2154 [ 59.628322][ T4154] mutex_lock_nested+0xa4/0xf8 [ 59.629465][ T4154] rfkill_register+0x44/0x7a4 [ 59.630627][ T4154] hci_register_dev+0x3e0/0x880 [ 59.631797][ T4154] vhci_create_device+0x2c4/0x568 [ 59.633004][ T4154] vhci_write+0x318/0x3b8 [ 59.634048][ T4154] vfs_write+0x884/0xb44 [ 59.635121][ T4154] ksys_write+0x15c/0x26c [ 59.636237][ T4154] __arm64_sys_write+0x7c/0x90 [ 59.637545][ T4154] invoke_syscall+0x98/0x2b8 [ 59.638705][ T4154] el0_svc_common+0x138/0x258 [ 59.639847][ T4154] do_el0_svc+0x58/0x14c [ 59.640985][ T4154] el0_svc+0x7c/0x1f0 [ 59.641894][ T4154] el0t_64_sync_handler+0x84/0xe4 [ 59.643068][ T4154] el0t_64_sync+0x1a0/0x1a4 [ 59.644148][ T4154] [ 59.644148][ T4154] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 59.645900][ T4154] __mutex_lock_common+0x194/0x2154 [ 59.647215][ T4154] mutex_lock_nested+0xa4/0xf8 [ 59.648354][ T4154] vhci_send_frame+0x8c/0x10c [ 59.649501][ T4154] hci_send_frame+0x194/0x2f0 [ 59.650610][ T4154] hci_tx_work+0x9ac/0x16cc [ 59.651769][ T4154] process_one_work+0x790/0x11b8 [ 59.652933][ T4154] worker_thread+0x910/0x1034 [ 59.654022][ T4154] kthread+0x37c/0x45c [ 59.655013][ T4154] ret_from_fork+0x10/0x20 [ 59.656158][ T4154] [ 59.656158][ T4154] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 59.658174][ T4154] __flush_work+0xf8/0x1c0 [ 59.659153][ T4154] flush_work+0x24/0x38 [ 59.660193][ T4154] hci_dev_do_close+0x16c/0x1060 [ 59.661411][ T4154] hci_unregister_dev+0x248/0x4d4 [ 59.662573][ T4154] vhci_release+0x74/0xc4 [ 59.663697][ T4154] __fput+0x1c4/0x800 [ 59.664730][ T4154] ____fput+0x20/0x30 [ 59.665818][ T4154] task_work_run+0x130/0x1e4 [ 59.666931][ T4154] do_exit+0x670/0x20bc [ 59.667999][ T4154] do_group_exit+0x110/0x268 [ 59.669151][ T4154] get_signal+0x634/0x1550 [ 59.670331][ T4154] do_notify_resume+0x3d0/0x32b8 [ 59.671489][ T4154] el0_svc+0xfc/0x1f0 [ 59.672300][ T4154] el0t_64_sync_handler+0x84/0xe4 [ 59.673482][ T4154] el0t_64_sync+0x1a0/0x1a4 [ 59.674543][ T4154] [ 59.674543][ T4154] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 59.676349][ T4154] __mutex_lock_common+0x194/0x2154 [ 59.677805][ T4154] mutex_lock_nested+0xa4/0xf8 [ 59.678951][ T4154] bg_scan_update+0x9c/0x470 [ 59.679993][ T4154] process_one_work+0x790/0x11b8 [ 59.681233][ T4154] worker_thread+0x910/0x1034 [ 59.682240][ T4154] kthread+0x37c/0x45c [ 59.683230][ T4154] ret_from_fork+0x10/0x20 [ 59.684339][ T4154] [ 59.684339][ T4154] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 59.686683][ T4154] __lock_acquire+0x32d4/0x7638 [ 59.687789][ T4154] lock_acquire+0x240/0x77c [ 59.688924][ T4154] __flush_work+0xf8/0x1c0 [ 59.689998][ T4154] __cancel_work_timer+0x3ec/0x548 [ 59.691189][ T4154] cancel_work_sync+0x24/0x38 [ 59.692255][ T4154] hci_request_cancel_all+0xcc/0x2d0 [ 59.693573][ T4154] hci_dev_do_close+0x54/0x1060 [ 59.694766][ T4154] hci_rfkill_set_block+0xdc/0x1d0 [ 59.695919][ T4154] rfkill_set_block+0x18c/0x37c [ 59.697084][ T4154] rfkill_fop_write+0x594/0x750 [ 59.698195][ T4154] vfs_write+0x280/0xb44 [ 59.699181][ T4154] ksys_write+0x15c/0x26c [ 59.700230][ T4154] __arm64_sys_write+0x7c/0x90 [ 59.701320][ T4154] invoke_syscall+0x98/0x2b8 [ 59.702477][ T4154] el0_svc_common+0x138/0x258 [ 59.703539][ T4154] do_el0_svc+0x58/0x14c [ 59.704595][ T4154] el0_svc+0x7c/0x1f0 [ 59.705618][ T4154] el0t_64_sync_handler+0x84/0xe4 [ 59.706817][ T4154] el0t_64_sync+0x1a0/0x1a4 [ 59.707988][ T4154] [ 59.707988][ T4154] other info that might help us debug this: [ 59.707988][ T4154] [ 59.710286][ T4154] Chain exists of: [ 59.710286][ T4154] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 59.710286][ T4154] [ 59.713496][ T4154] Possible unsafe locking scenario: [ 59.713496][ T4154] [ 59.715231][ T4154] CPU0 CPU1 [ 59.716413][ T4154] ---- ---- [ 59.717602][ T4154] lock(rfkill_global_mutex); [ 59.718680][ T4154] lock(&data->open_mutex); [ 59.720214][ T4154] lock(rfkill_global_mutex); [ 59.721808][ T4154] lock((work_completion)(&hdev->bg_scan_update)); [ 59.722383][ T25] Bluetooth: hci0: command 0x040f tx timeout [ 59.723166][ T4154] [ 59.723166][ T4154] *** DEADLOCK *** [ 59.723166][ T4154] [ 59.723172][ T4154] 1 lock held by syz.0.15/4154: [ 59.727479][ T4154] #0: ffff800016f25fe8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 59.729726][ T4154] [ 59.729726][ T4154] stack backtrace: [ 59.731119][ T4154] CPU: 0 PID: 4154 Comm: syz.0.15 Not tainted 5.15.173-syzkaller #0 [ 59.733023][ T4154] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 59.735172][ T4154] Call trace: [ 59.735857][ T4154] dump_backtrace+0x0/0x530 [ 59.736853][ T4154] show_stack+0x2c/0x3c [ 59.737863][ T4154] dump_stack_lvl+0x108/0x170 [ 59.738835][ T4154] dump_stack+0x1c/0x58 [ 59.739720][ T4154] print_circular_bug+0x150/0x1b8 [ 59.740874][ T4154] check_noncircular+0x2cc/0x378 [ 59.741905][ T4154] __lock_acquire+0x32d4/0x7638 [ 59.743008][ T4154] lock_acquire+0x240/0x77c [ 59.744011][ T4154] __flush_work+0xf8/0x1c0 [ 59.744908][ T4154] __cancel_work_timer+0x3ec/0x548 [ 59.745989][ T4154] cancel_work_sync+0x24/0x38 [ 59.746987][ T4154] hci_request_cancel_all+0xcc/0x2d0 [ 59.748098][ T4154] hci_dev_do_close+0x54/0x1060 [ 59.749149][ T4154] hci_rfkill_set_block+0xdc/0x1d0 [ 59.750296][ T4154] rfkill_set_block+0x18c/0x37c [ 59.751357][ T4154] rfkill_fop_write+0x594/0x750 [ 59.752382][ T4154] vfs_write+0x280/0xb44 [ 59.753283][ T4154] ksys_write+0x15c/0x26c [ 59.754198][ T4154] __arm64_sys_write+0x7c/0x90 [ 59.755081][ T4154] invoke_syscall+0x98/0x2b8 [ 59.756055][ T4154] el0_svc_common+0x138/0x258 [ 59.757122][ T4154] do_el0_svc+0x58/0x14c [ 59.757997][ T4154] el0_svc+0x7c/0x1f0 [ 59.758866][ T4154] el0t_64_sync_handler+0x84/0xe4 [ 59.760147][ T4154] el0t_64_sync+0x1a0/0x1a4