Warning: Permanently added '10.128.1.108' (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 [ 48.357798][ T4028] cgroup: Unknown subsys name 'net' [ 48.611492][ T4028] cgroup: Unknown subsys name 'rlimit' [ 48.964618][ T4028] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 57.647917][ T400] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 57.650116][ T400] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 57.652899][ T400] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 57.669559][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 57.671694][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 57.674221][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 59.002165][ T4090] chnl_net:caif_netlink_parms(): no params data found [ 59.043689][ T4090] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.045724][ T4090] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.050670][ T4090] device bridge_slave_0 entered promiscuous mode [ 59.056351][ T4090] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.058448][ T4090] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.061128][ T4090] device bridge_slave_1 entered promiscuous mode [ 59.080232][ T4090] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.085461][ T4090] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.104206][ T4090] team0: Port device team_slave_0 added [ 59.109225][ T4090] team0: Port device team_slave_1 added [ 59.134073][ T4090] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 59.136023][ T4090] 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. [ 59.142774][ T4090] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 59.147377][ T4090] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 59.149254][ T4090] 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. [ 59.156510][ T4090] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 59.228229][ T4090] device hsr_slave_0 entered promiscuous mode [ 59.266249][ T4090] device hsr_slave_1 entered promiscuous mode [ 59.386455][ T4090] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 59.448081][ T4090] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 59.489201][ T4090] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 59.548889][ T4090] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 59.555631][ T9] ODEBUG: Out of memory. ODEBUG disabled [ 59.601585][ T4090] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.603621][ T4090] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.606086][ T4090] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.608033][ T4090] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.648513][ T4090] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.655515][ T400] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.660177][ T400] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.662737][ T400] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.669883][ T400] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 59.676272][ T4090] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.685219][ T400] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.688207][ T400] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.690201][ T400] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.692529][ T400] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.695139][ T400] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.697415][ T400] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.718300][ T400] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.721074][ T400] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.727985][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.735613][ T400] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.747080][ T4090] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 59.751843][ T4090] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.756965][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.824811][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.827527][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.833317][ T4090] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.844388][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 59.857637][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 59.860613][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 59.863045][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 59.867886][ T4090] device veth0_vlan entered promiscuous mode [ 59.873452][ T4090] device veth1_vlan entered promiscuous mode [ 59.887741][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 59.890239][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 59.892907][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 59.897308][ T4090] device veth0_macvtap entered promiscuous mode [ 59.901297][ T4090] device veth1_macvtap entered promiscuous mode [ 59.911353][ T4090] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 59.913688][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 59.917075][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 59.922238][ T4090] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 59.924472][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 59.930742][ T4090] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.933234][ T4090] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.935406][ T4090] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.939327][ T4090] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:01:00 executed programs: 0 [ 60.326681][ T4119] chnl_net:caif_netlink_parms(): no params data found [ 60.359433][ T4119] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.361418][ T4119] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.363992][ T4119] device bridge_slave_0 entered promiscuous mode [ 60.367534][ T4119] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.369581][ T4119] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.372043][ T4119] device bridge_slave_1 entered promiscuous mode [ 60.386239][ T4119] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.390200][ T4119] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.403242][ T4119] team0: Port device team_slave_0 added [ 60.406320][ T4119] team0: Port device team_slave_1 added [ 60.417415][ T4119] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 60.419288][ T4119] 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. [ 60.426574][ T4119] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 60.430634][ T4119] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 60.432369][ T4119] 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. [ 60.439876][ T4119] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 60.507830][ T4119] device hsr_slave_0 entered promiscuous mode [ 60.546184][ T4119] device hsr_slave_1 entered promiscuous mode [ 60.586832][ T4119] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 60.589206][ T4119] Cannot create hsr debugfs directory [ 60.638078][ T4119] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 62.266649][ T3606] Bluetooth: hci0: command 0x0409 tx timeout [ 63.211768][ T4119] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 64.346124][ T3606] Bluetooth: hci0: command 0x041b tx timeout [ 65.800598][ T4119] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 65.953967][ T4119] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 66.141995][ T4119] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 66.207895][ T4119] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 66.257694][ T4119] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 66.307470][ T4119] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 66.394999][ T4119] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.404391][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.407264][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.412155][ T4119] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.422618][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.425292][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.427846][ T3606] Bluetooth: hci0: command 0x040f tx timeout [ 66.430618][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.432570][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.435939][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.448585][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.451272][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.453835][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.455699][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.461855][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.475464][ T4119] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 66.479205][ T4119] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 66.483210][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.486192][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.489203][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.492144][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.494809][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.497454][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.500187][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.503003][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.505676][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.513817][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.516627][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.583814][ T4119] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.587075][ T1699] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.589224][ T1699] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.600992][ T400] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 66.603571][ T400] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 66.620086][ T1699] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 66.622753][ T1699] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 66.626436][ T1699] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 66.632199][ T1699] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 66.636495][ T4119] device veth0_vlan entered promiscuous mode [ 66.643190][ T4119] device veth1_vlan entered promiscuous mode [ 66.675724][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 66.678401][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 66.680865][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 66.683671][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 66.688965][ T4119] device veth0_macvtap entered promiscuous mode [ 66.692986][ T4119] device veth1_macvtap entered promiscuous mode [ 66.702149][ T4119] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 66.704919][ T4119] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 66.709625][ T4119] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 66.711970][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 66.714433][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 66.719457][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 66.722941][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 66.728233][ T4119] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 66.730998][ T4119] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 66.734208][ T4119] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 66.737088][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 66.739687][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 66.744207][ T4119] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.747207][ T4119] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.749480][ T4119] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.751637][ T4119] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.786147][ T1699] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 66.788385][ T1699] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 66.791016][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 66.812139][ T153] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 66.814283][ T153] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 66.820467][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 66.889687][ T4131] [ 66.890327][ T4131] ====================================================== [ 66.892205][ T4131] WARNING: possible circular locking dependency detected [ 66.894015][ T4131] 5.15.178-syzkaller #0 Not tainted [ 66.895272][ T4131] ------------------------------------------------------ [ 66.897051][ T4131] syz.0.16/4131 is trying to acquire lock: [ 66.898523][ T4131] ffff0000d5ae8c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xd0/0x1c0 [ 66.901445][ T4131] [ 66.901445][ T4131] but task is already holding lock: [ 66.903292][ T4131] ffff800016f39608 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 66.905894][ T4131] [ 66.905894][ T4131] which lock already depends on the new lock. [ 66.905894][ T4131] [ 66.908583][ T4131] [ 66.908583][ T4131] the existing dependency chain (in reverse order) is: [ 66.910906][ T4131] [ 66.910906][ T4131] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 66.912981][ T4131] __mutex_lock_common+0x194/0x2154 [ 66.914452][ T4131] mutex_lock_nested+0xa4/0xf8 [ 66.915800][ T4131] rfkill_register+0x44/0x7a4 [ 66.917195][ T4131] hci_register_dev+0x3e0/0x880 [ 66.918607][ T4131] vhci_create_device+0x2c4/0x568 [ 66.920033][ T4131] vhci_write+0x318/0x3b8 [ 66.921283][ T4131] vfs_write+0x884/0xb44 [ 66.922580][ T4131] ksys_write+0x15c/0x26c [ 66.923854][ T4131] __arm64_sys_write+0x7c/0x90 [ 66.925199][ T4131] invoke_syscall+0x98/0x2b8 [ 66.926521][ T4131] el0_svc_common+0x138/0x258 [ 66.927817][ T4131] do_el0_svc+0x58/0x14c [ 66.929050][ T4131] el0_svc+0x7c/0x1f0 [ 66.930239][ T4131] el0t_64_sync_handler+0x84/0xe4 [ 66.931647][ T4131] el0t_64_sync+0x1a0/0x1a4 [ 66.932965][ T4131] [ 66.932965][ T4131] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 66.934996][ T4131] __mutex_lock_common+0x194/0x2154 [ 66.936426][ T4131] mutex_lock_nested+0xa4/0xf8 [ 66.937784][ T4131] vhci_send_frame+0x8c/0x10c [ 66.939128][ T4131] hci_send_frame+0x194/0x2f0 [ 66.940443][ T4131] hci_tx_work+0x9ac/0x16cc [ 66.941668][ T4131] process_one_work+0x790/0x11b8 [ 66.943041][ T4131] worker_thread+0x910/0x1034 [ 66.944384][ T4131] kthread+0x37c/0x45c [ 66.945578][ T4131] ret_from_fork+0x10/0x20 [ 66.946849][ T4131] [ 66.946849][ T4131] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 66.949187][ T4131] __flush_work+0xf8/0x1c0 [ 66.950483][ T4131] flush_work+0x24/0x38 [ 66.951668][ T4131] hci_dev_do_close+0x16c/0x1060 [ 66.953084][ T4131] hci_unregister_dev+0x248/0x4d4 [ 66.954487][ T4131] vhci_release+0x74/0xc4 [ 66.955733][ T4131] __fput+0x1c4/0x800 [ 66.956922][ T4131] ____fput+0x20/0x30 [ 66.958088][ T4131] task_work_run+0x130/0x1e4 [ 66.959374][ T4131] do_exit+0x670/0x20bc [ 66.960584][ T4131] do_group_exit+0x110/0x268 [ 66.961888][ T4131] get_signal+0x634/0x1550 [ 66.963140][ T4131] do_notify_resume+0x3d0/0x32b8 [ 66.964595][ T4131] el0_svc+0xfc/0x1f0 [ 66.965819][ T4131] el0t_64_sync_handler+0x84/0xe4 [ 66.967266][ T4131] el0t_64_sync+0x1a0/0x1a4 [ 66.968581][ T4131] [ 66.968581][ T4131] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 66.970537][ T4131] __mutex_lock_common+0x194/0x2154 [ 66.972101][ T4131] mutex_lock_nested+0xa4/0xf8 [ 66.973478][ T4131] bg_scan_update+0x9c/0x470 [ 66.974882][ T4131] process_one_work+0x790/0x11b8 [ 66.976325][ T4131] worker_thread+0x910/0x1034 [ 66.977654][ T4131] kthread+0x37c/0x45c [ 66.978887][ T4131] ret_from_fork+0x10/0x20 [ 66.980109][ T4131] [ 66.980109][ T4131] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 66.982677][ T4131] __lock_acquire+0x32d4/0x7638 [ 66.984057][ T4131] lock_acquire+0x240/0x77c [ 66.985367][ T4131] __flush_work+0xf8/0x1c0 [ 66.986656][ T4131] __cancel_work_timer+0x3ec/0x548 [ 66.988068][ T4131] cancel_work_sync+0x24/0x38 [ 66.989373][ T4131] hci_request_cancel_all+0xcc/0x2d0 [ 66.990807][ T4131] hci_dev_do_close+0x54/0x1060 [ 66.992210][ T4131] hci_rfkill_set_block+0xdc/0x1d0 [ 66.993707][ T4131] rfkill_set_block+0x18c/0x37c [ 66.995130][ T4131] rfkill_fop_write+0x594/0x750 [ 66.996529][ T4131] do_iter_write+0x33c/0x66c [ 66.997790][ T4131] do_writev+0x220/0x3ec [ 66.998946][ T4131] __arm64_sys_writev+0x80/0x94 [ 67.000308][ T4131] invoke_syscall+0x98/0x2b8 [ 67.001668][ T4131] el0_svc_common+0x138/0x258 [ 67.003072][ T4131] do_el0_svc+0x58/0x14c [ 67.004268][ T4131] el0_svc+0x7c/0x1f0 [ 67.005468][ T4131] el0t_64_sync_handler+0x84/0xe4 [ 67.006946][ T4131] el0t_64_sync+0x1a0/0x1a4 [ 67.008250][ T4131] [ 67.008250][ T4131] other info that might help us debug this: [ 67.008250][ T4131] [ 67.010918][ T4131] Chain exists of: [ 67.010918][ T4131] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 67.010918][ T4131] [ 67.015054][ T4131] Possible unsafe locking scenario: [ 67.015054][ T4131] [ 67.017047][ T4131] CPU0 CPU1 [ 67.018482][ T4131] ---- ---- [ 67.019830][ T4131] lock(rfkill_global_mutex); [ 67.021034][ T4131] lock(&data->open_mutex); [ 67.023032][ T4131] lock(rfkill_global_mutex); [ 67.024908][ T4131] lock((work_completion)(&hdev->bg_scan_update)); [ 67.026570][ T4131] [ 67.026570][ T4131] *** DEADLOCK *** [ 67.026570][ T4131] [ 67.028665][ T4131] 1 lock held by syz.0.16/4131: [ 67.029980][ T4131] #0: ffff800016f39608 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 67.032599][ T4131] [ 67.032599][ T4131] stack backtrace: [ 67.034132][ T4131] CPU: 1 PID: 4131 Comm: syz.0.16 Not tainted 5.15.178-syzkaller #0 [ 67.036237][ T4131] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 67.038902][ T4131] Call trace: [ 67.039749][ T4131] dump_backtrace+0x0/0x530 [ 67.040945][ T4131] show_stack+0x2c/0x3c [ 67.042012][ T4131] dump_stack_lvl+0x108/0x170 [ 67.043195][ T4131] dump_stack+0x1c/0x58 [ 67.044286][ T4131] print_circular_bug+0x150/0x1b8 [ 67.045640][ T4131] check_noncircular+0x2cc/0x378 [ 67.046920][ T4131] __lock_acquire+0x32d4/0x7638 [ 67.048128][ T4131] lock_acquire+0x240/0x77c [ 67.049307][ T4131] __flush_work+0xf8/0x1c0 [ 67.050477][ T4131] __cancel_work_timer+0x3ec/0x548 [ 67.051836][ T4131] cancel_work_sync+0x24/0x38 [ 67.053037][ T4131] hci_request_cancel_all+0xcc/0x2d0 [ 67.054439][ T4131] hci_dev_do_close+0x54/0x1060 [ 67.055700][ T4131] hci_rfkill_set_block+0xdc/0x1d0 [ 67.057003][ T4131] rfkill_set_block+0x18c/0x37c [ 67.058318][ T4131] rfkill_fop_write+0x594/0x750 [ 67.059529][ T4131] do_iter_write+0x33c/0x66c [ 67.060735][ T4131] do_writev+0x220/0x3ec [ 67.061864][ T4131] __arm64_sys_writev+0x80/0x94 [ 67.063059][ T4131] invoke_syscall+0x98/0x2b8 [ 67.064279][ T4131] el0_svc_common+0x138/0x258 [ 67.065485][ T4131] do_el0_svc+0x58/0x14c [ 67.066566][ T4131] el0_svc+0x7c/0x1f0 [ 67.067587][ T4131] el0t_64_sync_handler+0x84/0xe4 [ 67.068949][ T4131] el0t_64_sync+0x1a0/0x1a4