Warning: Permanently added '10.128.0.171' (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 [ 48.169367][ T4023] cgroup: Unknown subsys name 'net' [ 48.437935][ T4023] cgroup: Unknown subsys name 'rlimit' [ 48.775677][ T4023] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 55.719086][ T148] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 55.720854][ T148] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 55.723485][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 55.736349][ T148] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 55.738061][ T148] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 55.740340][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 55.910813][ T4039] chnl_net:caif_netlink_parms(): no params data found [ 55.956733][ T4039] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.958503][ T4039] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.960931][ T4039] device bridge_slave_0 entered promiscuous mode [ 55.965771][ T4039] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.967375][ T4039] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.969716][ T4039] device bridge_slave_1 entered promiscuous mode [ 55.993950][ T4039] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.997770][ T4039] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.013259][ T4039] team0: Port device team_slave_0 added [ 56.016203][ T4039] team0: Port device team_slave_1 added [ 56.035424][ T4039] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 56.036903][ T4039] 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. [ 56.042964][ T4039] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 56.047227][ T4039] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 56.048770][ T4039] 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. [ 56.054456][ T4039] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 56.134927][ T4039] device hsr_slave_0 entered promiscuous mode [ 56.172443][ T4039] device hsr_slave_1 entered promiscuous mode [ 56.340946][ T4039] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 56.399540][ T4039] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 56.447932][ T4039] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 56.484712][ T4039] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 56.545225][ T4039] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.546830][ T4039] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.548956][ T4039] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.550620][ T4039] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.598854][ T4039] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.608475][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.611866][ T292] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.616318][ T292] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.625113][ T4039] 8021q: adding VLAN 0 to HW filter on device team0 [ 56.630822][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.634472][ T292] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.636083][ T292] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.641422][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.644284][ T292] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.645798][ T292] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.720864][ T604] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 56.724481][ T604] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 56.727286][ T604] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 56.733010][ T604] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 56.737420][ T604] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 56.744068][ T604] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 56.746279][ T604] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 56.754798][ T604] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 56.757171][ T604] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 56.761319][ T4039] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 56.888278][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 56.889955][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 56.897718][ T4039] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 56.910376][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 56.912894][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 56.924665][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 56.926979][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 56.929236][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 56.931295][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 56.994822][ T4039] device veth0_vlan entered promiscuous mode [ 57.008023][ T4039] device veth1_vlan entered promiscuous mode [ 57.023323][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 57.025643][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 57.027885][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 57.030071][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 57.035189][ T4039] device veth0_macvtap entered promiscuous mode [ 57.040524][ T4039] device veth1_macvtap entered promiscuous mode [ 57.089490][ T4039] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 57.092763][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 57.094945][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 57.097675][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 57.101049][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 57.106484][ T4039] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 57.110493][ T4039] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.112936][ T4039] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.115006][ T4039] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.116971][ T4039] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.120715][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 57.123914][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 58.695342][ T136] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:58 executed programs: 0 [ 58.996848][ T4103] chnl_net:caif_netlink_parms(): no params data found [ 59.031185][ T4103] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.033848][ T4103] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.036131][ T4103] device bridge_slave_0 entered promiscuous mode [ 59.039425][ T4103] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.041014][ T4103] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.043263][ T4103] device bridge_slave_1 entered promiscuous mode [ 59.057962][ T4103] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.061854][ T4103] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.081602][ T4103] team0: Port device team_slave_0 added [ 59.084727][ T4103] team0: Port device team_slave_1 added [ 59.097229][ T4103] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 59.098682][ 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. [ 59.104775][ T4103] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 59.108480][ T4103] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 59.109890][ 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. [ 59.115758][ T4103] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 59.164132][ T4103] device hsr_slave_0 entered promiscuous mode [ 59.202483][ T4103] device hsr_slave_1 entered promiscuous mode [ 59.242170][ T4103] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 59.244062][ T4103] Cannot create hsr debugfs directory [ 60.993062][ T1535] Bluetooth: hci0: command 0x0409 tx timeout [ 61.799978][ T136] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 62.798949][ T136] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 62.862266][ T136] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 63.072557][ T4046] Bluetooth: hci0: command 0x041b tx timeout [ 63.764101][ T4103] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 63.794718][ T4103] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 63.834945][ T4103] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 63.884880][ T4103] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 63.984194][ T4103] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.990909][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.994802][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.999348][ T4103] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.004614][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.007035][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.009085][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.010672][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.014633][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.019186][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.021558][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.024922][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.026539][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.031317][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.038292][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.044100][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.047235][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.049767][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.057471][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.061468][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.067661][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.070120][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.075709][ T604] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.077981][ T604] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.083305][ T4103] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.170109][ T604] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 64.173215][ T604] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 64.179679][ T4103] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.198022][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 64.200391][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 64.213625][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 64.216123][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 64.219139][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 64.221428][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 64.225528][ T4103] device veth0_vlan entered promiscuous mode [ 64.232822][ T4103] device veth1_vlan entered promiscuous mode [ 64.246896][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 64.249317][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 64.251607][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 64.257380][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 64.261902][ T4103] device veth0_macvtap entered promiscuous mode [ 64.267920][ T4103] device veth1_macvtap entered promiscuous mode [ 64.281807][ T4103] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 64.284920][ T4103] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 64.288458][ T4103] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 64.290149][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 64.295256][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 64.297499][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 64.299889][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 64.306259][ T4103] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 64.308420][ T4103] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 64.311550][ T4103] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 64.313862][ T604] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 64.316372][ T604] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 64.320975][ T4103] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.324021][ T4103] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.325989][ T4103] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.327910][ T4103] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.368394][ T292] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.370304][ T292] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.374678][ T604] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 64.393992][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.395722][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.398275][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 64.479716][ T4158] [ 64.480275][ T4158] ====================================================== [ 64.481878][ T4158] WARNING: possible circular locking dependency detected [ 64.483567][ T4158] 5.15.169-syzkaller #0 Not tainted [ 64.484850][ T4158] ------------------------------------------------------ [ 64.486350][ T4158] syz.0.15/4158 is trying to acquire lock: [ 64.487611][ T4158] ffff0000d4ed0c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xd0/0x1c0 [ 64.490347][ T4158] [ 64.490347][ T4158] but task is already holding lock: [ 64.491955][ T4158] ffff800016e66da8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 64.494119][ T4158] [ 64.494119][ T4158] which lock already depends on the new lock. [ 64.494119][ T4158] [ 64.496451][ T4158] [ 64.496451][ T4158] the existing dependency chain (in reverse order) is: [ 64.498375][ T4158] [ 64.498375][ T4158] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 64.500102][ T4158] __mutex_lock_common+0x194/0x2154 [ 64.501311][ T4158] mutex_lock_nested+0xa4/0xf8 [ 64.502394][ T4158] rfkill_register+0x44/0x7a4 [ 64.503553][ T4158] hci_register_dev+0x3e0/0x880 [ 64.504741][ T4158] vhci_create_device+0x2c4/0x568 [ 64.505913][ T4158] vhci_write+0x318/0x3b8 [ 64.506964][ T4158] vfs_write+0x884/0xb44 [ 64.508052][ T4158] ksys_write+0x15c/0x26c [ 64.509096][ T4158] __arm64_sys_write+0x7c/0x90 [ 64.510348][ T4158] invoke_syscall+0x98/0x2b8 [ 64.511450][ T4158] el0_svc_common+0x138/0x258 [ 64.512657][ T4158] do_el0_svc+0x58/0x14c [ 64.513710][ T4158] el0_svc+0x7c/0x1f0 [ 64.514633][ T4158] el0t_64_sync_handler+0x84/0xe4 [ 64.515839][ T4158] el0t_64_sync+0x1a0/0x1a4 [ 64.517025][ T4158] [ 64.517025][ T4158] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 64.518935][ T4158] __mutex_lock_common+0x194/0x2154 [ 64.520175][ T4158] mutex_lock_nested+0xa4/0xf8 [ 64.521416][ T4158] vhci_send_frame+0x8c/0x10c [ 64.522595][ T4158] hci_send_frame+0x194/0x2f0 [ 64.523766][ T4158] hci_tx_work+0x9ac/0x16cc [ 64.524860][ T4158] process_one_work+0x790/0x11b8 [ 64.525992][ T4158] worker_thread+0x910/0x1034 [ 64.527096][ T4158] kthread+0x37c/0x45c [ 64.528181][ T4158] ret_from_fork+0x10/0x20 [ 64.529297][ T4158] [ 64.529297][ T4158] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 64.531372][ T4158] __flush_work+0xf8/0x1c0 [ 64.532413][ T4158] flush_work+0x24/0x38 [ 64.533548][ T4158] hci_dev_do_close+0x16c/0x1060 [ 64.534745][ T4158] hci_unregister_dev+0x248/0x4d4 [ 64.536005][ T4158] vhci_release+0x74/0xc4 [ 64.537132][ T4158] __fput+0x1c4/0x800 [ 64.538023][ T4158] ____fput+0x20/0x30 [ 64.538849][ T4158] task_work_run+0x130/0x1e4 [ 64.539985][ T4158] do_exit+0x670/0x20bc [ 64.541052][ T4158] do_group_exit+0x110/0x268 [ 64.542278][ T4158] get_signal+0x634/0x1550 [ 64.543291][ T4158] do_notify_resume+0x3d0/0x32b8 [ 64.544227][ T4158] el0_svc+0xfc/0x1f0 [ 64.545078][ T4158] el0t_64_sync_handler+0x84/0xe4 [ 64.546272][ T4158] el0t_64_sync+0x1a0/0x1a4 [ 64.547400][ T4158] [ 64.547400][ T4158] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 64.549041][ T4158] __mutex_lock_common+0x194/0x2154 [ 64.550223][ T4158] mutex_lock_nested+0xa4/0xf8 [ 64.551441][ T4158] bg_scan_update+0x9c/0x470 [ 64.552585][ T4158] process_one_work+0x790/0x11b8 [ 64.553733][ T4158] worker_thread+0x910/0x1034 [ 64.554895][ T4158] kthread+0x37c/0x45c [ 64.555953][ T4158] ret_from_fork+0x10/0x20 [ 64.557039][ T4158] [ 64.557039][ T4158] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 64.559224][ T4158] __lock_acquire+0x32d4/0x7638 [ 64.560419][ T4158] lock_acquire+0x240/0x77c [ 64.561504][ T4158] __flush_work+0xf8/0x1c0 [ 64.562679][ T4158] __cancel_work_timer+0x3ec/0x548 [ 64.564022][ T4158] cancel_work_sync+0x24/0x38 [ 64.565199][ T4158] hci_request_cancel_all+0xcc/0x2d0 [ 64.566512][ T4158] hci_dev_do_close+0x54/0x1060 [ 64.567645][ T4158] hci_rfkill_set_block+0xdc/0x1d0 [ 64.568935][ T4158] rfkill_set_block+0x18c/0x37c [ 64.570129][ T4158] rfkill_fop_write+0x594/0x750 [ 64.571386][ T4158] vfs_write+0x280/0xb44 [ 64.572404][ T4158] ksys_write+0x15c/0x26c [ 64.573544][ T4158] __arm64_sys_write+0x7c/0x90 [ 64.574775][ T4158] invoke_syscall+0x98/0x2b8 [ 64.575940][ T4158] el0_svc_common+0x138/0x258 [ 64.577087][ T4158] do_el0_svc+0x58/0x14c [ 64.578088][ T4158] el0_svc+0x7c/0x1f0 [ 64.579077][ T4158] el0t_64_sync_handler+0x84/0xe4 [ 64.580436][ T4158] el0t_64_sync+0x1a0/0x1a4 [ 64.581559][ T4158] [ 64.581559][ T4158] other info that might help us debug this: [ 64.581559][ T4158] [ 64.583815][ T4158] Chain exists of: [ 64.583815][ T4158] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 64.583815][ T4158] [ 64.587249][ T4158] Possible unsafe locking scenario: [ 64.587249][ T4158] [ 64.588937][ T4158] CPU0 CPU1 [ 64.590029][ T4158] ---- ---- [ 64.591155][ T4158] lock(rfkill_global_mutex); [ 64.592227][ T4158] lock(&data->open_mutex); [ 64.593749][ T4158] lock(rfkill_global_mutex); [ 64.595415][ T4158] lock((work_completion)(&hdev->bg_scan_update)); [ 64.596879][ T4158] [ 64.596879][ T4158] *** DEADLOCK *** [ 64.596879][ T4158] [ 64.598649][ T4158] 1 lock held by syz.0.15/4158: [ 64.599709][ T4158] #0: ffff800016e66da8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 64.602319][ T4158] [ 64.602319][ T4158] stack backtrace: [ 64.603669][ T4158] CPU: 0 PID: 4158 Comm: syz.0.15 Not tainted 5.15.169-syzkaller #0 [ 64.605520][ T4158] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 64.607768][ T4158] Call trace: [ 64.608595][ T4158] dump_backtrace+0x0/0x530 [ 64.609717][ T4158] show_stack+0x2c/0x3c [ 64.610644][ T4158] dump_stack_lvl+0x108/0x170 [ 64.611665][ T4158] dump_stack+0x1c/0x58 [ 64.612651][ T4158] print_circular_bug+0x150/0x1b8 [ 64.613814][ T4158] check_noncircular+0x2cc/0x378 [ 64.615084][ T4158] __lock_acquire+0x32d4/0x7638 [ 64.616215][ T4158] lock_acquire+0x240/0x77c [ 64.617236][ T4158] __flush_work+0xf8/0x1c0 [ 64.618243][ T4158] __cancel_work_timer+0x3ec/0x548 [ 64.619449][ T4158] cancel_work_sync+0x24/0x38 [ 64.620590][ T4158] hci_request_cancel_all+0xcc/0x2d0 [ 64.621792][ T4158] hci_dev_do_close+0x54/0x1060 [ 64.622921][ T4158] hci_rfkill_set_block+0xdc/0x1d0 [ 64.624118][ T4158] rfkill_set_block+0x18c/0x37c [ 64.625246][ T4158] rfkill_fop_write+0x594/0x750 [ 64.626249][ T4158] vfs_write+0x280/0xb44 [ 64.627120][ T4158] ksys_write+0x15c/0x26c [ 64.628095][ T4158] __arm64_sys_write+0x7c/0x90 [ 64.629295][ T4158] invoke_syscall+0x98/0x2b8 [ 64.630306][ T4158] el0_svc_common+0x138/0x258 [ 64.631473][ T4158] do_el0_svc+0x58/0x14c [ 64.632377][ T4158] el0_svc+0x7c/0x1f0 [ 64.633188][ T4158] el0t_64_sync_handler+0x84/0xe4 [ 64.634389][ T4158] el0t_64_sync+0x1a0/0x1a4