Warning: Permanently added '10.128.1.41' (ED25519) to the list of known hosts. 1970/01/01 00:00:40 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:00:41 parsed 1 programs [ 43.842303][ T4023] cgroup: Unknown subsys name 'net' [ 44.094242][ T4023] cgroup: Unknown subsys name 'rlimit' [ 44.428556][ T4023] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 51.280049][ T4048] chnl_net:caif_netlink_parms(): no params data found [ 51.324207][ T4048] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.325700][ T4048] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.328326][ T4048] device bridge_slave_0 entered promiscuous mode [ 51.332466][ T4048] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.333908][ T4048] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.336025][ T4048] device bridge_slave_1 entered promiscuous mode [ 51.352372][ T4048] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 51.357090][ T4048] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 51.376908][ T4048] team0: Port device team_slave_0 added [ 51.380029][ T4048] team0: Port device team_slave_1 added [ 51.393909][ T4048] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 51.395311][ T4048] 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. [ 51.400621][ T4048] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 51.404547][ T4048] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 51.405942][ T4048] 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. [ 51.411438][ T4048] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 51.470036][ T4048] device hsr_slave_0 entered promiscuous mode [ 51.508096][ T4048] device hsr_slave_1 entered promiscuous mode [ 51.635156][ T4048] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 51.680908][ T4048] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 51.767997][ T4048] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 51.810571][ T4048] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 51.877126][ T4048] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.878791][ T4048] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.880688][ T4048] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.882111][ T4048] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.934901][ T4048] 8021q: adding VLAN 0 to HW filter on device bond0 [ 51.946861][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 51.952783][ T136] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.956116][ T136] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.960696][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 51.969590][ T4048] 8021q: adding VLAN 0 to HW filter on device team0 [ 51.975551][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 51.977587][ T148] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.979116][ T148] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.989302][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 51.991833][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.993355][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.008678][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 52.011365][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 52.017512][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 52.026158][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 52.033942][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 52.041821][ T4048] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 52.121593][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 52.123343][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 52.131527][ T4048] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 52.146264][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 52.164815][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 52.169709][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 52.171796][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 52.176798][ T4048] device veth0_vlan entered promiscuous mode [ 52.185971][ T4048] device veth1_vlan entered promiscuous mode [ 52.206473][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 52.209096][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 52.211375][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 52.216387][ T4048] device veth0_macvtap entered promiscuous mode [ 52.222606][ T4048] device veth1_macvtap entered promiscuous mode [ 52.236348][ T4048] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 52.240646][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 52.243517][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 52.249678][ T4048] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 52.251891][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 52.260352][ T4048] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.262103][ T4048] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.263807][ T4048] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.265587][ T4048] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.163025][ T9] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 55.154822][ T9] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 57.714883][ T9] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 57.766269][ T9] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 58.386410][ T148] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 58.388219][ T148] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 58.391128][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 58.464809][ T370] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 58.466496][ T370] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 58.469700][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:00:58 executed programs: 0 [ 58.723295][ T4140] chnl_net:caif_netlink_parms(): no params data found [ 58.765356][ T4140] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.766976][ T4140] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.771092][ T4140] device bridge_slave_0 entered promiscuous mode [ 58.774926][ T4140] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.776379][ T4140] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.780568][ T4140] device bridge_slave_1 entered promiscuous mode [ 58.799629][ T4140] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.804901][ T4140] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.824427][ T4140] team0: Port device team_slave_0 added [ 58.827976][ T4140] team0: Port device team_slave_1 added [ 58.842378][ T4140] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 58.843935][ T4140] 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. [ 58.849274][ T4140] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 58.852766][ T4140] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 58.854218][ T4140] 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. [ 58.859843][ T4140] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 58.929800][ T4140] device hsr_slave_0 entered promiscuous mode [ 58.968048][ T4140] device hsr_slave_1 entered promiscuous mode [ 59.007744][ T4140] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 59.009438][ T4140] Cannot create hsr debugfs directory [ 59.710764][ T4140] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 59.773496][ T4140] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 59.824362][ T4140] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 59.881426][ T4140] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 60.014268][ T4140] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.025611][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.027882][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.033192][ T4140] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.042373][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.044923][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.047044][ T370] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.048658][ T370] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.062124][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.064298][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.066736][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.068843][ T370] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.070196][ T370] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.072299][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.081905][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.090078][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.093251][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.095699][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.106488][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.109721][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.116261][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.119079][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.125290][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.127494][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.131560][ T4140] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.238372][ T4140] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.240751][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.242372][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.257015][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 60.260028][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 60.273844][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 60.276761][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 60.280588][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 60.283048][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 60.286933][ T4140] device veth0_vlan entered promiscuous mode [ 60.294630][ T4140] device veth1_vlan entered promiscuous mode [ 60.312254][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 60.314596][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 60.316730][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 60.322639][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 60.326992][ T4140] device veth0_macvtap entered promiscuous mode [ 60.332083][ T4140] device veth1_macvtap entered promiscuous mode [ 60.343564][ T4140] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 60.345932][ T4140] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 60.350450][ T4140] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 60.352070][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 60.354654][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 60.356779][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 60.361391][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 60.365270][ T4140] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 60.367472][ T4140] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 60.371119][ T4140] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 60.373629][ T291] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 60.376023][ T291] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 60.383296][ T4140] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.385153][ T4140] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.386875][ T4140] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.389288][ T4140] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.431666][ T9] device hsr_slave_0 left promiscuous mode [ 60.451391][ T9] device hsr_slave_1 left promiscuous mode [ 60.518942][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 60.520506][ T9] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 60.523164][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 60.524627][ T9] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 60.526820][ T9] device bridge_slave_1 left promiscuous mode [ 60.531902][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.561756][ T9] device bridge_slave_0 left promiscuous mode [ 60.563109][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.598180][ T4099] Bluetooth: hci0: command 0x0409 tx timeout [ 60.668716][ T9] device veth1_macvtap left promiscuous mode [ 60.670083][ T9] device veth0_macvtap left promiscuous mode [ 60.671379][ T9] device veth1_vlan left promiscuous mode [ 60.672656][ T9] device veth0_vlan left promiscuous mode [ 60.893674][ T9] team0 (unregistering): Port device team_slave_1 removed [ 60.902022][ T9] team0 (unregistering): Port device team_slave_0 removed [ 60.912602][ T9] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 60.966970][ T9] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 61.138733][ T9] bond0 (unregistering): Released all slaves [ 61.356191][ T291] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 61.358873][ T291] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 61.362208][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 61.392966][ T291] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 61.394715][ T291] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 61.397275][ T370] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 61.602855][ T4258] [ 61.603412][ T4258] ====================================================== [ 61.604702][ T4258] WARNING: possible circular locking dependency detected [ 61.606025][ T4258] 5.15.173-syzkaller #0 Not tainted [ 61.606997][ T4258] ------------------------------------------------------ [ 61.608419][ T4258] syz.0.15/4258 is trying to acquire lock: [ 61.609788][ T4258] ffff0000d6edcc28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xd0/0x1c0 [ 61.612122][ T4258] [ 61.612122][ T4258] but task is already holding lock: [ 61.613571][ T4258] ffff800016f25fe8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 61.615515][ T4258] [ 61.615515][ T4258] which lock already depends on the new lock. [ 61.615515][ T4258] [ 61.617617][ T4258] [ 61.617617][ T4258] the existing dependency chain (in reverse order) is: [ 61.619527][ T4258] [ 61.619527][ T4258] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 61.621105][ T4258] __mutex_lock_common+0x194/0x2154 [ 61.622381][ T4258] mutex_lock_nested+0xa4/0xf8 [ 61.623413][ T4258] rfkill_register+0x44/0x7a4 [ 61.624515][ T4258] hci_register_dev+0x3e0/0x880 [ 61.625702][ T4258] vhci_create_device+0x2c4/0x568 [ 61.626865][ T4258] vhci_write+0x318/0x3b8 [ 61.627747][ T4258] vfs_write+0x884/0xb44 [ 61.628722][ T4258] ksys_write+0x15c/0x26c [ 61.629694][ T4258] __arm64_sys_write+0x7c/0x90 [ 61.630784][ T4258] invoke_syscall+0x98/0x2b8 [ 61.631802][ T4258] el0_svc_common+0x138/0x258 [ 61.632882][ T4258] do_el0_svc+0x58/0x14c [ 61.633943][ T4258] el0_svc+0x7c/0x1f0 [ 61.634844][ T4258] el0t_64_sync_handler+0x84/0xe4 [ 61.636065][ T4258] el0t_64_sync+0x1a0/0x1a4 [ 61.637172][ T4258] [ 61.637172][ T4258] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 61.638857][ T4258] __mutex_lock_common+0x194/0x2154 [ 61.639997][ T4258] mutex_lock_nested+0xa4/0xf8 [ 61.641051][ T4258] vhci_send_frame+0x8c/0x10c [ 61.642209][ T4258] hci_send_frame+0x194/0x2f0 [ 61.643369][ T4258] hci_tx_work+0x9ac/0x16cc [ 61.644356][ T4258] process_one_work+0x790/0x11b8 [ 61.645446][ T4258] worker_thread+0x910/0x1034 [ 61.646479][ T4258] kthread+0x37c/0x45c [ 61.647379][ T4258] ret_from_fork+0x10/0x20 [ 61.648380][ T4258] [ 61.648380][ T4258] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 61.650173][ T4258] __flush_work+0xf8/0x1c0 [ 61.651151][ T4258] flush_work+0x24/0x38 [ 61.652102][ T4258] hci_dev_do_close+0x16c/0x1060 [ 61.653154][ T4258] hci_unregister_dev+0x248/0x4d4 [ 61.654249][ T4258] vhci_release+0x74/0xc4 [ 61.655278][ T4258] __fput+0x1c4/0x800 [ 61.656236][ T4258] ____fput+0x20/0x30 [ 61.657159][ T4258] task_work_run+0x130/0x1e4 [ 61.658171][ T4258] do_exit+0x670/0x20bc [ 61.659018][ T4258] do_group_exit+0x110/0x268 [ 61.659945][ T4258] get_signal+0x634/0x1550 [ 61.660903][ T4258] do_notify_resume+0x3d0/0x32b8 [ 61.662021][ T4258] el0_svc+0xfc/0x1f0 [ 61.663033][ T4258] el0t_64_sync_handler+0x84/0xe4 [ 61.664048][ T4258] el0t_64_sync+0x1a0/0x1a4 [ 61.665024][ T4258] [ 61.665024][ T4258] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 61.666635][ T4258] __mutex_lock_common+0x194/0x2154 [ 61.667793][ T4258] mutex_lock_nested+0xa4/0xf8 [ 61.668843][ T4258] bg_scan_update+0x9c/0x470 [ 61.669856][ T4258] process_one_work+0x790/0x11b8 [ 61.671051][ T4258] worker_thread+0x910/0x1034 [ 61.672152][ T4258] kthread+0x37c/0x45c [ 61.673072][ T4258] ret_from_fork+0x10/0x20 [ 61.674159][ T4258] [ 61.674159][ T4258] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 61.676204][ T4258] __lock_acquire+0x32d4/0x7638 [ 61.677331][ T4258] lock_acquire+0x240/0x77c [ 61.678446][ T4258] __flush_work+0xf8/0x1c0 [ 61.679451][ T4258] __cancel_work_timer+0x3ec/0x548 [ 61.680546][ T4258] cancel_work_sync+0x24/0x38 [ 61.681624][ T4258] hci_request_cancel_all+0xcc/0x2d0 [ 61.682848][ T4258] hci_dev_do_close+0x54/0x1060 [ 61.684085][ T4258] hci_rfkill_set_block+0xdc/0x1d0 [ 61.685229][ T4258] rfkill_set_block+0x18c/0x37c [ 61.686342][ T4258] rfkill_fop_write+0x594/0x750 [ 61.687356][ T4258] vfs_write+0x280/0xb44 [ 61.688257][ T4258] ksys_write+0x15c/0x26c [ 61.689263][ T4258] __arm64_sys_write+0x7c/0x90 [ 61.690335][ T4258] invoke_syscall+0x98/0x2b8 [ 61.691459][ T4258] el0_svc_common+0x138/0x258 [ 61.692529][ T4258] do_el0_svc+0x58/0x14c [ 61.693579][ T4258] el0_svc+0x7c/0x1f0 [ 61.694627][ T4258] el0t_64_sync_handler+0x84/0xe4 [ 61.695764][ T4258] el0t_64_sync+0x1a0/0x1a4 [ 61.696844][ T4258] [ 61.696844][ T4258] other info that might help us debug this: [ 61.696844][ T4258] [ 61.698919][ T4258] Chain exists of: [ 61.698919][ T4258] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 61.698919][ T4258] [ 61.702115][ T4258] Possible unsafe locking scenario: [ 61.702115][ T4258] [ 61.703585][ T4258] CPU0 CPU1 [ 61.704687][ T4258] ---- ---- [ 61.705768][ T4258] lock(rfkill_global_mutex); [ 61.706880][ T4258] lock(&data->open_mutex); [ 61.708273][ T4258] lock(rfkill_global_mutex); [ 61.709844][ T4258] lock((work_completion)(&hdev->bg_scan_update)); [ 61.711350][ T4258] [ 61.711350][ T4258] *** DEADLOCK *** [ 61.711350][ T4258] [ 61.713042][ T4258] 1 lock held by syz.0.15/4258: [ 61.714128][ T4258] #0: ffff800016f25fe8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 61.716221][ T4258] [ 61.716221][ T4258] stack backtrace: [ 61.717417][ T4258] CPU: 1 PID: 4258 Comm: syz.0.15 Not tainted 5.15.173-syzkaller #0 [ 61.718911][ T4258] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 61.720965][ T4258] Call trace: [ 61.721647][ T4258] dump_backtrace+0x0/0x530 [ 61.722591][ T4258] show_stack+0x2c/0x3c [ 61.723417][ T4258] dump_stack_lvl+0x108/0x170 [ 61.724339][ T4258] dump_stack+0x1c/0x58 [ 61.725200][ T4258] print_circular_bug+0x150/0x1b8 [ 61.726358][ T4258] check_noncircular+0x2cc/0x378 [ 61.727307][ T4258] __lock_acquire+0x32d4/0x7638 [ 61.728288][ T4258] lock_acquire+0x240/0x77c [ 61.729223][ T4258] __flush_work+0xf8/0x1c0 [ 61.730083][ T4258] __cancel_work_timer+0x3ec/0x548 [ 61.731111][ T4258] cancel_work_sync+0x24/0x38 [ 61.732166][ T4258] hci_request_cancel_all+0xcc/0x2d0 [ 61.733224][ T4258] hci_dev_do_close+0x54/0x1060 [ 61.734242][ T4258] hci_rfkill_set_block+0xdc/0x1d0 [ 61.735404][ T4258] rfkill_set_block+0x18c/0x37c [ 61.736544][ T4258] rfkill_fop_write+0x594/0x750 [ 61.737498][ T4258] vfs_write+0x280/0xb44 [ 61.738434][ T4258] ksys_write+0x15c/0x26c [ 61.739443][ T4258] __arm64_sys_write+0x7c/0x90 [ 61.740411][ T4258] invoke_syscall+0x98/0x2b8 [ 61.741409][ T4258] el0_svc_common+0x138/0x258 [ 61.742375][ T4258] do_el0_svc+0x58/0x14c [ 61.743206][ T4258] el0_svc+0x7c/0x1f0 [ 61.744043][ T4258] el0t_64_sync_handler+0x84/0xe4 [ 61.745069][ T4258] el0t_64_sync+0x1a0/0x1a4