Warning: Permanently added '10.128.1.82' (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 [ 47.862539][ T4023] cgroup: Unknown subsys name 'net' [ 48.148623][ T4023] cgroup: Unknown subsys name 'rlimit' [ 48.501876][ T4023] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 57.702763][ T1704] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 57.704708][ T1704] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 57.707350][ T1704] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 57.720945][ T1704] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 57.724200][ T1704] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 57.726598][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 58.056098][ T4067] chnl_net:caif_netlink_parms(): no params data found [ 58.099924][ T4067] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.101570][ T4067] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.104818][ T4067] device bridge_slave_0 entered promiscuous mode [ 58.109070][ T4067] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.110484][ T4067] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.114270][ T4067] device bridge_slave_1 entered promiscuous mode [ 58.130789][ T4067] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.136307][ T4067] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.154752][ T4067] team0: Port device team_slave_0 added [ 58.157889][ T4067] team0: Port device team_slave_1 added [ 58.171411][ T4067] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 58.173310][ T4067] 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. [ 58.178278][ T4067] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 58.182412][ T4067] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 58.184004][ T4067] 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. [ 58.189301][ T4067] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 58.245417][ T4067] device hsr_slave_0 entered promiscuous mode [ 58.283181][ T4067] device hsr_slave_1 entered promiscuous mode [ 58.410201][ T4067] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 58.445159][ T4067] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 58.488427][ T4067] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 58.526704][ T4067] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 58.585090][ T4067] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.586706][ T4067] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.588840][ T4067] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.590473][ T4067] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.644531][ T4067] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.656369][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.659721][ T293] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.666194][ T293] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.675627][ T4067] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.685516][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.687550][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.689077][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.691077][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.693734][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.695194][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.702980][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.707221][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.720799][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.725509][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.727963][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.737132][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.739686][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.742215][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.745022][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.751541][ T4067] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 58.756032][ T4067] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.759606][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.761853][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.838769][ T543] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.840740][ T543] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.850558][ T4067] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.866872][ T543] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 58.869243][ T543] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 58.881102][ T543] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 58.883729][ T543] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 58.887103][ T543] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 58.889433][ T543] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 58.893590][ T4067] device veth0_vlan entered promiscuous mode [ 58.899266][ T4067] device veth1_vlan entered promiscuous mode [ 58.916866][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 58.919328][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 58.921639][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 58.925665][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 58.930065][ T4067] device veth0_macvtap entered promiscuous mode [ 58.936950][ T4067] device veth1_macvtap entered promiscuous mode [ 58.949632][ T4067] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 58.952132][ T543] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 58.954462][ T543] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 58.956570][ T543] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 58.959301][ T543] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 58.967149][ T4067] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 58.970756][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 58.973593][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 58.977381][ T4067] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.979291][ T4067] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.981073][ T4067] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.985495][ T4067] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.435698][ T148] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:59 executed programs: 0 [ 59.941335][ T4103] chnl_net:caif_netlink_parms(): no params data found [ 59.979567][ T4103] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.981147][ T4103] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.983635][ T4103] device bridge_slave_0 entered promiscuous mode [ 59.987256][ T4103] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.988968][ T4103] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.990993][ T4103] device bridge_slave_1 entered promiscuous mode [ 60.008141][ T4103] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.012167][ T4103] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.027818][ T4103] team0: Port device team_slave_0 added [ 60.032794][ T4103] team0: Port device team_slave_1 added [ 60.047558][ T4103] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 60.049131][ 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. [ 60.056151][ T4103] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 60.059739][ T4103] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 60.061219][ 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. [ 60.066718][ T4103] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 60.125222][ T4103] device hsr_slave_0 entered promiscuous mode [ 60.163219][ T4103] device hsr_slave_1 entered promiscuous mode [ 60.213007][ T4103] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 60.214834][ T4103] Cannot create hsr debugfs directory [ 61.883302][ T4028] Bluetooth: hci0: command 0x0409 tx timeout [ 62.160595][ T148] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 63.962916][ T25] Bluetooth: hci0: command 0x041b tx timeout [ 64.509645][ T148] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 64.573035][ T148] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 65.515185][ T4103] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 65.546073][ T4103] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 65.584745][ T4103] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 65.625299][ T4103] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 65.726427][ T4103] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.736483][ T543] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.738803][ T543] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.742561][ T4103] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.748593][ T543] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.750966][ T543] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.753691][ T543] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.755180][ T543] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.757624][ T543] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.762557][ T543] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.765416][ T543] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.767606][ T543] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.769148][ T543] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.774596][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.779344][ T543] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.787178][ T543] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.790141][ T543] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.794537][ T543] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.799260][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.801721][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.808928][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.811228][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.817434][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.819712][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.868994][ T4103] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.941920][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.944675][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.951486][ T4103] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.965727][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 65.968011][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 65.980674][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 65.983277][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 65.985756][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 65.988211][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 65.992465][ T4103] device veth0_vlan entered promiscuous mode [ 66.001358][ T4103] device veth1_vlan entered promiscuous mode [ 66.016872][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 66.019187][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 66.021425][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 66.023853][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 66.028445][ T4103] device veth0_macvtap entered promiscuous mode [ 66.033373][ T4103] device veth1_macvtap entered promiscuous mode [ 66.043452][ T1534] Bluetooth: hci0: command 0x040f tx timeout [ 66.043657][ T4103] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 66.047203][ T4103] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 66.050618][ T4103] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 66.052556][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 66.057625][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 66.059759][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 66.062088][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 66.066295][ T4103] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 66.068579][ T4103] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 66.071681][ T4103] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 66.074097][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 66.076779][ T293] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 66.083254][ T4103] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.085359][ T4103] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.087261][ T4103] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.088978][ T4103] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.145478][ T293] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 66.147681][ T293] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 66.149311][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 66.150733][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 66.153171][ T1704] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 66.157534][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 66.367838][ T4160] [ 66.368413][ T4160] ====================================================== [ 66.369821][ T4160] WARNING: possible circular locking dependency detected [ 66.371230][ T4160] 5.15.172-syzkaller #0 Not tainted [ 66.372265][ T4160] ------------------------------------------------------ [ 66.373688][ T4160] syz.0.15/4160 is trying to acquire lock: [ 66.375019][ T4160] ffff0000d67e0c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xd0/0x1c0 [ 66.377400][ T4160] [ 66.377400][ T4160] but task is already holding lock: [ 66.378965][ T4160] ffff800016e77228 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 66.381039][ T4160] [ 66.381039][ T4160] which lock already depends on the new lock. [ 66.381039][ T4160] [ 66.383325][ T4160] [ 66.383325][ T4160] the existing dependency chain (in reverse order) is: [ 66.385223][ T4160] [ 66.385223][ T4160] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 66.386841][ T4160] __mutex_lock_common+0x194/0x2154 [ 66.388058][ T4160] mutex_lock_nested+0xa4/0xf8 [ 66.389076][ T4160] rfkill_register+0x44/0x7a4 [ 66.390106][ T4160] hci_register_dev+0x3e0/0x880 [ 66.391448][ T4160] vhci_create_device+0x2c4/0x568 [ 66.392772][ T4160] vhci_write+0x318/0x3b8 [ 66.393827][ T4160] vfs_write+0x884/0xb44 [ 66.394921][ T4160] ksys_write+0x15c/0x26c [ 66.396151][ T4160] __arm64_sys_write+0x7c/0x90 [ 66.397344][ T4160] invoke_syscall+0x98/0x2b8 [ 66.398393][ T4160] el0_svc_common+0x138/0x258 [ 66.399608][ T4160] do_el0_svc+0x58/0x14c [ 66.400541][ T4160] el0_svc+0x7c/0x1f0 [ 66.401470][ T4160] el0t_64_sync_handler+0x84/0xe4 [ 66.402604][ T4160] el0t_64_sync+0x1a0/0x1a4 [ 66.403699][ T4160] [ 66.403699][ T4160] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 66.405309][ T4160] __mutex_lock_common+0x194/0x2154 [ 66.406610][ T4160] mutex_lock_nested+0xa4/0xf8 [ 66.407727][ T4160] vhci_send_frame+0x8c/0x10c [ 66.408881][ T4160] hci_send_frame+0x194/0x2f0 [ 66.410055][ T4160] hci_tx_work+0x9ac/0x16cc [ 66.411136][ T4160] process_one_work+0x790/0x11b8 [ 66.412370][ T4160] worker_thread+0x910/0x1034 [ 66.413558][ T4160] kthread+0x37c/0x45c [ 66.414867][ T4160] ret_from_fork+0x10/0x20 [ 66.415887][ T4160] [ 66.415887][ T4160] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 66.417931][ T4160] __flush_work+0xf8/0x1c0 [ 66.419057][ T4160] flush_work+0x24/0x38 [ 66.420058][ T4160] hci_dev_do_close+0x16c/0x1060 [ 66.421235][ T4160] hci_unregister_dev+0x248/0x4d4 [ 66.422531][ T4160] vhci_release+0x74/0xc4 [ 66.423624][ T4160] __fput+0x1c4/0x800 [ 66.424663][ T4160] ____fput+0x20/0x30 [ 66.425732][ T4160] task_work_run+0x130/0x1e4 [ 66.426980][ T4160] do_exit+0x670/0x20bc [ 66.428026][ T4160] do_group_exit+0x110/0x268 [ 66.429178][ T4160] get_signal+0x634/0x1550 [ 66.430233][ T4160] do_notify_resume+0x3d0/0x32b8 [ 66.431315][ T4160] el0_svc+0xfc/0x1f0 [ 66.432341][ T4160] el0t_64_sync_handler+0x84/0xe4 [ 66.433578][ T4160] el0t_64_sync+0x1a0/0x1a4 [ 66.434742][ T4160] [ 66.434742][ T4160] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 66.436453][ T4160] __mutex_lock_common+0x194/0x2154 [ 66.437659][ T4160] mutex_lock_nested+0xa4/0xf8 [ 66.438758][ T4160] bg_scan_update+0x9c/0x470 [ 66.439842][ T4160] process_one_work+0x790/0x11b8 [ 66.440979][ T4160] worker_thread+0x910/0x1034 [ 66.442149][ T4160] kthread+0x37c/0x45c [ 66.443105][ T4160] ret_from_fork+0x10/0x20 [ 66.444176][ T4160] [ 66.444176][ T4160] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 66.446418][ T4160] __lock_acquire+0x32d4/0x7638 [ 66.447520][ T4160] lock_acquire+0x240/0x77c [ 66.448608][ T4160] __flush_work+0xf8/0x1c0 [ 66.449785][ T4160] __cancel_work_timer+0x3ec/0x548 [ 66.451050][ T4160] cancel_work_sync+0x24/0x38 [ 66.452287][ T4160] hci_request_cancel_all+0xcc/0x2d0 [ 66.453502][ T4160] hci_dev_do_close+0x54/0x1060 [ 66.454625][ T4160] hci_rfkill_set_block+0xdc/0x1d0 [ 66.455769][ T4160] rfkill_set_block+0x18c/0x37c [ 66.456980][ T4160] rfkill_fop_write+0x594/0x750 [ 66.458121][ T4160] vfs_write+0x280/0xb44 [ 66.459142][ T4160] ksys_write+0x15c/0x26c [ 66.460171][ T4160] __arm64_sys_write+0x7c/0x90 [ 66.461375][ T4160] invoke_syscall+0x98/0x2b8 [ 66.462484][ T4160] el0_svc_common+0x138/0x258 [ 66.463682][ T4160] do_el0_svc+0x58/0x14c [ 66.464677][ T4160] el0_svc+0x7c/0x1f0 [ 66.465725][ T4160] el0t_64_sync_handler+0x84/0xe4 [ 66.466920][ T4160] el0t_64_sync+0x1a0/0x1a4 [ 66.468098][ T4160] [ 66.468098][ T4160] other info that might help us debug this: [ 66.468098][ T4160] [ 66.470360][ T4160] Chain exists of: [ 66.470360][ T4160] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 66.470360][ T4160] [ 66.473839][ T4160] Possible unsafe locking scenario: [ 66.473839][ T4160] [ 66.475379][ T4160] CPU0 CPU1 [ 66.476528][ T4160] ---- ---- [ 66.477658][ T4160] lock(rfkill_global_mutex); [ 66.478728][ T4160] lock(&data->open_mutex); [ 66.480260][ T4160] lock(rfkill_global_mutex); [ 66.481847][ T4160] lock((work_completion)(&hdev->bg_scan_update)); [ 66.483339][ T4160] [ 66.483339][ T4160] *** DEADLOCK *** [ 66.483339][ T4160] [ 66.485079][ T4160] 1 lock held by syz.0.15/4160: [ 66.486247][ T4160] #0: ffff800016e77228 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 66.488557][ T4160] [ 66.488557][ T4160] stack backtrace: [ 66.489919][ T4160] CPU: 1 PID: 4160 Comm: syz.0.15 Not tainted 5.15.172-syzkaller #0 [ 66.491678][ T4160] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 66.493754][ T4160] Call trace: [ 66.494444][ T4160] dump_backtrace+0x0/0x530 [ 66.495446][ T4160] show_stack+0x2c/0x3c [ 66.496333][ T4160] dump_stack_lvl+0x108/0x170 [ 66.497311][ T4160] dump_stack+0x1c/0x58 [ 66.498266][ T4160] print_circular_bug+0x150/0x1b8 [ 66.499362][ T4160] check_noncircular+0x2cc/0x378 [ 66.500484][ T4160] __lock_acquire+0x32d4/0x7638 [ 66.501546][ T4160] lock_acquire+0x240/0x77c [ 66.502482][ T4160] __flush_work+0xf8/0x1c0 [ 66.503434][ T4160] __cancel_work_timer+0x3ec/0x548 [ 66.504459][ T4160] cancel_work_sync+0x24/0x38 [ 66.505590][ T4160] hci_request_cancel_all+0xcc/0x2d0 [ 66.506847][ T4160] hci_dev_do_close+0x54/0x1060 [ 66.507984][ T4160] hci_rfkill_set_block+0xdc/0x1d0 [ 66.509105][ T4160] rfkill_set_block+0x18c/0x37c [ 66.510294][ T4160] rfkill_fop_write+0x594/0x750 [ 66.511332][ T4160] vfs_write+0x280/0xb44 [ 66.512283][ T4160] ksys_write+0x15c/0x26c [ 66.513251][ T4160] __arm64_sys_write+0x7c/0x90 [ 66.514271][ T4160] invoke_syscall+0x98/0x2b8 [ 66.515316][ T4160] el0_svc_common+0x138/0x258 [ 66.516480][ T4160] do_el0_svc+0x58/0x14c [ 66.517513][ T4160] el0_svc+0x7c/0x1f0 [ 66.518440][ T4160] el0t_64_sync_handler+0x84/0xe4 [ 66.519737][ T4160] el0t_64_sync+0x1a0/0x1a4