Warning: Permanently added '10.128.0.34' (ED25519) to the list of known hosts. 1970/01/01 00:00:45 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:00:46 parsed 1 programs [ 48.931028][ T4024] cgroup: Unknown subsys name 'net' [ 49.198515][ T4024] cgroup: Unknown subsys name 'rlimit' [ 49.535778][ T4024] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 60.055024][ T4068] chnl_net:caif_netlink_parms(): no params data found [ 60.095904][ T4068] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.097668][ T4068] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.099931][ T4068] device bridge_slave_0 entered promiscuous mode [ 60.103980][ T4068] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.105685][ T4068] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.108029][ T4068] device bridge_slave_1 entered promiscuous mode [ 60.126167][ T4068] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.130438][ T4068] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.146511][ T4068] team0: Port device team_slave_0 added [ 60.149519][ T4068] team0: Port device team_slave_1 added [ 60.162446][ T4068] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 60.164478][ T4068] 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. [ 60.170324][ T4068] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 60.175005][ T4068] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 60.176745][ T4068] 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. [ 60.182809][ T4068] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 60.286460][ T4068] device hsr_slave_0 entered promiscuous mode [ 60.344470][ T4068] device hsr_slave_1 entered promiscuous mode [ 60.473860][ T4068] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 60.527294][ T4068] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 60.567049][ T4068] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 60.626382][ T4068] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 60.692150][ T4068] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.694040][ T4068] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.696131][ T4068] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.697800][ T4068] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.746621][ T4068] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.754454][ T1670] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.758515][ T1670] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.761818][ T1670] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.766541][ T1670] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 60.776022][ T4068] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.787345][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.789720][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.791338][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.793905][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.796247][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.797784][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.806460][ T1670] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.809030][ T1670] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.815262][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.828749][ T4068] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 60.831141][ T4068] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 60.837619][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.840640][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.843687][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.914315][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.916206][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.926833][ T4068] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.941245][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 60.956765][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 60.959327][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 60.961537][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 60.967164][ T4068] device veth0_vlan entered promiscuous mode [ 60.975455][ T4068] device veth1_vlan entered promiscuous mode [ 60.992648][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 60.995692][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 60.998269][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 61.005401][ T4068] device veth0_macvtap entered promiscuous mode [ 61.010738][ T4068] device veth1_macvtap entered promiscuous mode [ 61.025297][ T4068] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 61.028030][ T1670] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 61.030965][ T1670] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 61.036313][ T4068] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 61.038071][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 61.040493][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 61.046076][ T4068] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.048209][ T4068] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.050067][ T4068] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.052075][ T4068] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.527664][ T9] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 61.562114][ T1670] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 61.565065][ T1670] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 61.567671][ T1670] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 61.581649][ T153] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 61.584129][ T153] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 61.586816][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:01:02 executed programs: 0 [ 62.194077][ T4105] chnl_net:caif_netlink_parms(): no params data found [ 62.233363][ T4105] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.235120][ T4105] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.237333][ T4105] device bridge_slave_0 entered promiscuous mode [ 62.240794][ T4105] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.242524][ T4105] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.245422][ T4105] device bridge_slave_1 entered promiscuous mode [ 62.261339][ T4105] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.265693][ T4105] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.280138][ T4105] team0: Port device team_slave_0 added [ 62.284344][ T4105] team0: Port device team_slave_1 added [ 62.298289][ T4105] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 62.299852][ T4105] 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. [ 62.305945][ T4105] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 62.309621][ T4105] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 62.311255][ T4105] 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. [ 62.317730][ T4105] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 62.374889][ T4105] device hsr_slave_0 entered promiscuous mode [ 62.413349][ T4105] device hsr_slave_1 entered promiscuous mode [ 62.453044][ T4105] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 62.455052][ T4105] Cannot create hsr debugfs directory [ 63.890316][ T9] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 64.133671][ T4103] Bluetooth: hci0: command 0x0409 tx timeout [ 66.169331][ T9] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 66.203325][ T4028] Bluetooth: hci0: command 0x041b tx timeout [ 66.230751][ T9] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 67.135593][ T4105] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 67.184902][ T4105] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 67.246955][ T4105] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 67.298004][ T4105] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 67.382598][ T4105] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.389672][ T1806] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.392008][ T1806] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.397925][ T4105] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.402458][ T1806] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.405661][ T1806] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.408285][ T1806] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.409987][ T1806] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.412120][ T1806] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.419641][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.421873][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.425063][ T153] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.426647][ T153] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.432063][ T1806] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.435690][ T1806] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.440569][ T1806] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.443747][ T1806] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.446153][ T1806] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.453688][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.456278][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.460893][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.465413][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.471498][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.474921][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.500090][ T4105] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.570972][ T1806] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 67.572810][ T1806] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 67.580067][ T4105] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.592566][ T1806] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 67.595233][ T1806] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 67.607823][ T1806] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 67.610163][ T1806] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 67.612611][ T1806] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 67.618098][ T1806] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 67.622231][ T4105] device veth0_vlan entered promiscuous mode [ 67.629065][ T4105] device veth1_vlan entered promiscuous mode [ 67.644923][ T1806] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 67.647476][ T1806] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 67.649834][ T1806] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 67.652301][ T1806] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 67.657632][ T4105] device veth0_macvtap entered promiscuous mode [ 67.661632][ T4105] device veth1_macvtap entered promiscuous mode [ 67.673886][ T4105] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 67.676617][ T4105] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 67.679885][ T4105] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 67.681753][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 67.684434][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 67.686675][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 67.689105][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 67.695627][ T4105] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 67.698043][ T4105] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 67.701201][ T4105] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 67.703631][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 67.705980][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 67.710804][ T4105] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.713319][ T4105] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.715219][ T4105] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.717160][ T4105] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.809369][ T1670] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.811302][ T1670] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 67.815799][ T1670] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 67.828512][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.830345][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 67.833856][ T1670] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 68.019919][ T4152] [ 68.020502][ T4152] ====================================================== [ 68.022078][ T4152] WARNING: possible circular locking dependency detected [ 68.023736][ T4152] 5.15.173-syzkaller #0 Not tainted [ 68.024951][ T4152] ------------------------------------------------------ [ 68.026546][ T4152] syz.0.15/4152 is trying to acquire lock: [ 68.027842][ T4152] ffff0000d68d0c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xd0/0x1c0 [ 68.030394][ T4152] [ 68.030394][ T4152] but task is already holding lock: [ 68.032031][ T4152] ffff800016e77268 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 68.034326][ T4152] [ 68.034326][ T4152] which lock already depends on the new lock. [ 68.034326][ T4152] [ 68.036742][ T4152] [ 68.036742][ T4152] the existing dependency chain (in reverse order) is: [ 68.038867][ T4152] [ 68.038867][ T4152] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 68.040748][ T4152] __mutex_lock_common+0x194/0x2154 [ 68.042013][ T4152] mutex_lock_nested+0xa4/0xf8 [ 68.043269][ T4152] rfkill_register+0x44/0x7a4 [ 68.044436][ T4152] hci_register_dev+0x3e0/0x880 [ 68.045607][ T4152] vhci_create_device+0x2c4/0x568 [ 68.046813][ T4152] vhci_write+0x318/0x3b8 [ 68.047931][ T4152] vfs_write+0x884/0xb44 [ 68.049031][ T4152] ksys_write+0x15c/0x26c [ 68.050044][ T4152] __arm64_sys_write+0x7c/0x90 [ 68.051275][ T4152] invoke_syscall+0x98/0x2b8 [ 68.052463][ T4152] el0_svc_common+0x138/0x258 [ 68.053615][ T4152] do_el0_svc+0x58/0x14c [ 68.054646][ T4152] el0_svc+0x7c/0x1f0 [ 68.055805][ T4152] el0t_64_sync_handler+0x84/0xe4 [ 68.057073][ T4152] el0t_64_sync+0x1a0/0x1a4 [ 68.058217][ T4152] [ 68.058217][ T4152] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 68.060099][ T4152] __mutex_lock_common+0x194/0x2154 [ 68.061459][ T4152] mutex_lock_nested+0xa4/0xf8 [ 68.062801][ T4152] vhci_send_frame+0x8c/0x10c [ 68.063999][ T4152] hci_send_frame+0x194/0x2f0 [ 68.065208][ T4152] hci_tx_work+0x9ac/0x16cc [ 68.066379][ T4152] process_one_work+0x790/0x11b8 [ 68.067599][ T4152] worker_thread+0x910/0x1034 [ 68.068733][ T4152] kthread+0x37c/0x45c [ 68.069808][ T4152] ret_from_fork+0x10/0x20 [ 68.070963][ T4152] [ 68.070963][ T4152] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 68.073049][ T4152] __flush_work+0xf8/0x1c0 [ 68.074177][ T4152] flush_work+0x24/0x38 [ 68.075247][ T4152] hci_dev_do_close+0x16c/0x1060 [ 68.076528][ T4152] hci_unregister_dev+0x248/0x4d4 [ 68.077778][ T4152] vhci_release+0x74/0xc4 [ 68.078864][ T4152] __fput+0x1c4/0x800 [ 68.079836][ T4152] ____fput+0x20/0x30 [ 68.080867][ T4152] task_work_run+0x130/0x1e4 [ 68.082136][ T4152] do_exit+0x670/0x20bc [ 68.083177][ T4152] do_group_exit+0x110/0x268 [ 68.084342][ T4152] get_signal+0x634/0x1550 [ 68.085488][ T4152] do_notify_resume+0x3d0/0x32b8 [ 68.086705][ T4152] el0_svc+0xfc/0x1f0 [ 68.087699][ T4152] el0t_64_sync_handler+0x84/0xe4 [ 68.089010][ T4152] el0t_64_sync+0x1a0/0x1a4 [ 68.090291][ T4152] [ 68.090291][ T4152] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 68.092116][ T4152] __mutex_lock_common+0x194/0x2154 [ 68.093449][ T4152] mutex_lock_nested+0xa4/0xf8 [ 68.094734][ T4152] bg_scan_update+0x9c/0x470 [ 68.095958][ T4152] process_one_work+0x790/0x11b8 [ 68.097300][ T4152] worker_thread+0x910/0x1034 [ 68.098461][ T4152] kthread+0x37c/0x45c [ 68.099504][ T4152] ret_from_fork+0x10/0x20 [ 68.100633][ T4152] [ 68.100633][ T4152] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 68.102884][ T4152] __lock_acquire+0x32d4/0x7638 [ 68.104149][ T4152] lock_acquire+0x240/0x77c [ 68.105307][ T4152] __flush_work+0xf8/0x1c0 [ 68.106391][ T4152] __cancel_work_timer+0x3ec/0x548 [ 68.107714][ T4152] cancel_work_sync+0x24/0x38 [ 68.108834][ T4152] hci_request_cancel_all+0xcc/0x2d0 [ 68.110185][ T4152] hci_dev_do_close+0x54/0x1060 [ 68.111334][ T4152] hci_rfkill_set_block+0xdc/0x1d0 [ 68.112687][ T4152] rfkill_set_block+0x18c/0x37c [ 68.113960][ T4152] rfkill_fop_write+0x594/0x750 [ 68.115239][ T4152] vfs_write+0x280/0xb44 [ 68.116371][ T4152] ksys_write+0x15c/0x26c [ 68.117546][ T4152] __arm64_sys_write+0x7c/0x90 [ 68.118758][ T4152] invoke_syscall+0x98/0x2b8 [ 68.119924][ T4152] el0_svc_common+0x138/0x258 [ 68.121211][ T4152] do_el0_svc+0x58/0x14c [ 68.122291][ T4152] el0_svc+0x7c/0x1f0 [ 68.123341][ T4152] el0t_64_sync_handler+0x84/0xe4 [ 68.124682][ T4152] el0t_64_sync+0x1a0/0x1a4 [ 68.125837][ T4152] [ 68.125837][ T4152] other info that might help us debug this: [ 68.125837][ T4152] [ 68.128310][ T4152] Chain exists of: [ 68.128310][ T4152] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 68.128310][ T4152] [ 68.131899][ T4152] Possible unsafe locking scenario: [ 68.131899][ T4152] [ 68.133674][ T4152] CPU0 CPU1 [ 68.134893][ T4152] ---- ---- [ 68.136096][ T4152] lock(rfkill_global_mutex); [ 68.137114][ T4152] lock(&data->open_mutex); [ 68.138753][ T4152] lock(rfkill_global_mutex); [ 68.140493][ T4152] lock((work_completion)(&hdev->bg_scan_update)); [ 68.142063][ T4152] [ 68.142063][ T4152] *** DEADLOCK *** [ 68.142063][ T4152] [ 68.143928][ T4152] 1 lock held by syz.0.15/4152: [ 68.145004][ T4152] #0: ffff800016e77268 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 68.147263][ T4152] [ 68.147263][ T4152] stack backtrace: [ 68.148537][ T4152] CPU: 0 PID: 4152 Comm: syz.0.15 Not tainted 5.15.173-syzkaller #0 [ 68.150315][ T4152] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 [ 68.152710][ T4152] Call trace: [ 68.153443][ T4152] dump_backtrace+0x0/0x530 [ 68.154448][ T4152] show_stack+0x2c/0x3c [ 68.155393][ T4152] dump_stack_lvl+0x108/0x170 [ 68.156487][ T4152] dump_stack+0x1c/0x58 [ 68.157418][ T4152] print_circular_bug+0x150/0x1b8 [ 68.158469][ T4152] check_noncircular+0x2cc/0x378 [ 68.159684][ T4152] __lock_acquire+0x32d4/0x7638 [ 68.160794][ T4152] lock_acquire+0x240/0x77c [ 68.161759][ T4152] __flush_work+0xf8/0x1c0 [ 68.162805][ T4152] __cancel_work_timer+0x3ec/0x548 [ 68.163932][ T4152] cancel_work_sync+0x24/0x38 [ 68.164973][ T4152] hci_request_cancel_all+0xcc/0x2d0 [ 68.166139][ T4152] hci_dev_do_close+0x54/0x1060 [ 68.167284][ T4152] hci_rfkill_set_block+0xdc/0x1d0 [ 68.168465][ T4152] rfkill_set_block+0x18c/0x37c [ 68.169606][ T4152] rfkill_fop_write+0x594/0x750 [ 68.170709][ T4152] vfs_write+0x280/0xb44 [ 68.171699][ T4152] ksys_write+0x15c/0x26c [ 68.172691][ T4152] __arm64_sys_write+0x7c/0x90 [ 68.173717][ T4152] invoke_syscall+0x98/0x2b8 [ 68.174740][ T4152] el0_svc_common+0x138/0x258 [ 68.175791][ T4152] do_el0_svc+0x58/0x14c [ 68.176684][ T4152] el0_svc+0x7c/0x1f0 [ 68.177582][ T4152] el0t_64_sync_handler+0x84/0xe4 [ 68.178649][ T4152] el0t_64_sync+0x1a0/0x1a4 [ 68.293310][ T25] Bluetooth: hci0: command 0x040f tx timeout