Warning: Permanently added '10.128.1.62' (ED25519) to the list of known hosts. 1970/01/01 00:00:40 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:00:40 parsed 1 programs [ 43.456067][ T4019] cgroup: Unknown subsys name 'net' [ 43.712955][ T4019] cgroup: Unknown subsys name 'rlimit' [ 44.045655][ T4019] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 52.414202][ T4039] chnl_net:caif_netlink_parms(): no params data found [ 52.459189][ T4039] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.461028][ T4039] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.463425][ T4039] device bridge_slave_0 entered promiscuous mode [ 52.468985][ T4039] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.470820][ T4039] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.473078][ T4039] device bridge_slave_1 entered promiscuous mode [ 52.493477][ T4039] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 52.498006][ T4039] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 52.514562][ T4039] team0: Port device team_slave_0 added [ 52.518077][ T4039] team0: Port device team_slave_1 added [ 52.534130][ T4039] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 52.535811][ 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. [ 52.542112][ T4039] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 52.546381][ T4039] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 52.548265][ 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. [ 52.554415][ T4039] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 52.609068][ T4039] device hsr_slave_0 entered promiscuous mode [ 52.657215][ T4039] device hsr_slave_1 entered promiscuous mode [ 52.813956][ T4039] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 52.851994][ T4039] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 52.903962][ T4039] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 52.949038][ T4039] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 53.008191][ T4039] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.010086][ T4039] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.012212][ T4039] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.013973][ T4039] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.097911][ T4039] 8021q: adding VLAN 0 to HW filter on device bond0 [ 53.108625][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 53.112762][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.115536][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.121516][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 53.130899][ T4039] 8021q: adding VLAN 0 to HW filter on device team0 [ 53.136906][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 53.139649][ T148] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.141163][ T148] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.148818][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 53.150923][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.152511][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.167730][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 53.171641][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 53.183474][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 53.189136][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 53.195332][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 53.204352][ T4039] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 53.279992][ T291] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 53.281712][ T291] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 53.289109][ T4039] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 53.303308][ T291] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 53.316244][ T291] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 53.319534][ T291] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 53.321704][ T291] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 53.325929][ T4039] device veth0_vlan entered promiscuous mode [ 53.333419][ T4039] device veth1_vlan entered promiscuous mode [ 53.352095][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 53.354607][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 53.358186][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 53.362670][ T4039] device veth0_macvtap entered promiscuous mode [ 53.367677][ T4039] device veth1_macvtap entered promiscuous mode [ 53.380529][ T4039] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 53.382898][ T291] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 53.386066][ T291] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 53.392244][ T4039] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 53.396332][ T4039] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.400517][ T4039] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.402362][ T4039] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.404392][ T4039] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.409197][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 53.411509][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 53.565867][ T291] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 53.570317][ T291] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 53.573397][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 53.593273][ T291] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 53.595255][ T291] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 53.601652][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 54.593477][ T136] ODEBUG: Out of memory. ODEBUG disabled [ 54.709174][ T136] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:55 executed programs: 0 [ 55.188080][ T4100] chnl_net:caif_netlink_parms(): no params data found [ 55.219689][ T4100] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.221650][ T4100] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.223909][ T4100] device bridge_slave_0 entered promiscuous mode [ 55.228946][ T4100] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.230638][ T4100] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.232827][ T4100] device bridge_slave_1 entered promiscuous mode [ 55.249279][ T4100] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.253201][ T4100] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.266957][ T4100] team0: Port device team_slave_0 added [ 55.270544][ T4100] team0: Port device team_slave_1 added [ 55.283516][ T4100] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 55.285441][ T4100] 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. [ 55.291711][ T4100] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 55.296375][ T4100] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 55.298298][ T4100] 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. [ 55.304799][ T4100] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 55.378735][ T4100] device hsr_slave_0 entered promiscuous mode [ 55.427206][ T4100] device hsr_slave_1 entered promiscuous mode [ 55.467271][ T4100] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 55.469301][ T4100] Cannot create hsr debugfs directory [ 57.157438][ T21] Bluetooth: hci0: command 0x0409 tx timeout [ 57.843112][ T136] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 59.142685][ T136] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 59.194406][ T136] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 59.226915][ T4034] Bluetooth: hci0: command 0x041b tx timeout [ 60.118975][ T4100] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 60.148901][ T4100] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 60.188866][ T4100] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 60.257622][ T4100] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 60.333988][ T4100] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.340339][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.342928][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.347567][ T4100] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.351910][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.354272][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.356410][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.358177][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.360799][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.365339][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.368796][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.370871][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.372554][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.377625][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.382569][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.389978][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.392630][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.394932][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.406588][ T4100] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 60.409783][ T4100] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 60.414007][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.418089][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.420803][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.423205][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.425916][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.431080][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.433508][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.497896][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.499776][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.505089][ T4100] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.522704][ T291] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 60.525363][ T291] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 60.533507][ T4100] device veth0_vlan entered promiscuous mode [ 60.537222][ T291] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 60.540046][ T291] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 60.543246][ T291] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 60.545685][ T291] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 60.551073][ T4100] device veth1_vlan entered promiscuous mode [ 60.565386][ T291] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 60.568774][ T291] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 60.571006][ T291] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 60.573521][ T291] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 60.610026][ T4100] device veth0_macvtap entered promiscuous mode [ 60.614068][ T4100] device veth1_macvtap entered promiscuous mode [ 60.624045][ T4100] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 60.626622][ T4100] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 60.631567][ T4100] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 60.634097][ T422] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 60.636520][ T422] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 60.639880][ T422] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 60.642666][ T422] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 60.649636][ T4100] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 60.651978][ T4100] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 60.655146][ T4100] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 60.659200][ T422] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 60.661686][ T422] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 60.670153][ T4100] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.671891][ T4100] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.673896][ T4100] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.675990][ T4100] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.734551][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 60.737049][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 60.739713][ T4151] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 60.776527][ T291] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 60.778905][ T291] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 60.781428][ T4151] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 61.132658][ T4152] [ 61.133269][ T4152] ====================================================== [ 61.135082][ T4152] WARNING: possible circular locking dependency detected [ 61.136818][ T4152] 5.15.167-syzkaller #0 Not tainted [ 61.138021][ T4152] ------------------------------------------------------ [ 61.139516][ T4152] syz.0.15/4152 is trying to acquire lock: [ 61.140860][ T4152] ffff0000d6dbcc28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xd0/0x1c0 [ 61.143276][ T4152] [ 61.143276][ T4152] but task is already holding lock: [ 61.144891][ T4152] ffff800016e75ba8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 61.146961][ T4152] [ 61.146961][ T4152] which lock already depends on the new lock. [ 61.146961][ T4152] [ 61.149260][ T4152] [ 61.149260][ T4152] the existing dependency chain (in reverse order) is: [ 61.151357][ T4152] [ 61.151357][ T4152] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 61.153284][ T4152] __mutex_lock_common+0x194/0x2154 [ 61.154633][ T4152] mutex_lock_nested+0xa4/0xf8 [ 61.155845][ T4152] rfkill_register+0x44/0x7a4 [ 61.157114][ T4152] hci_register_dev+0x3e0/0x880 [ 61.158347][ T4152] vhci_create_device+0x2c4/0x568 [ 61.159644][ T4152] vhci_write+0x318/0x3b8 [ 61.160801][ T4152] vfs_write+0x884/0xb44 [ 61.161863][ T4152] ksys_write+0x15c/0x26c [ 61.162966][ T4152] __arm64_sys_write+0x7c/0x90 [ 61.164087][ T4152] invoke_syscall+0x98/0x2b8 [ 61.165289][ T4152] el0_svc_common+0x138/0x258 [ 61.166419][ T4152] do_el0_svc+0x58/0x14c [ 61.167565][ T4152] el0_svc+0x7c/0x1f0 [ 61.168628][ T4152] el0t_64_sync_handler+0x84/0xe4 [ 61.169944][ T4152] el0t_64_sync+0x1a0/0x1a4 [ 61.171020][ T4152] [ 61.171020][ T4152] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 61.172849][ T4152] __mutex_lock_common+0x194/0x2154 [ 61.174143][ T4152] mutex_lock_nested+0xa4/0xf8 [ 61.175343][ T4152] vhci_send_frame+0x8c/0x10c [ 61.176432][ T4152] hci_send_frame+0x194/0x2f0 [ 61.177446][ T4152] hci_tx_work+0x9ac/0x16cc [ 61.178468][ T4152] process_one_work+0x790/0x11b8 [ 61.179762][ T4152] worker_thread+0x910/0x1034 [ 61.180888][ T4152] kthread+0x37c/0x45c [ 61.181811][ T4152] ret_from_fork+0x10/0x20 [ 61.182886][ T4152] [ 61.182886][ T4152] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 61.185090][ T4152] __flush_work+0xf8/0x1c0 [ 61.186168][ T4152] flush_work+0x24/0x38 [ 61.187211][ T4152] hci_dev_do_close+0x16c/0x1060 [ 61.188524][ T4152] hci_unregister_dev+0x248/0x4d4 [ 61.189773][ T4152] vhci_release+0x74/0xc4 [ 61.190807][ T4152] __fput+0x1c4/0x800 [ 61.191796][ T4152] ____fput+0x20/0x30 [ 61.192766][ T4152] task_work_run+0x130/0x1e4 [ 61.193997][ T4152] do_exit+0x670/0x20bc [ 61.195082][ T4152] do_group_exit+0x110/0x268 [ 61.196266][ T4152] get_signal+0x634/0x1550 [ 61.197280][ T4152] do_notify_resume+0x3d0/0x32b8 [ 61.198497][ T4152] el0_svc+0xfc/0x1f0 [ 61.199486][ T4152] el0t_64_sync_handler+0x84/0xe4 [ 61.200831][ T4152] el0t_64_sync+0x1a0/0x1a4 [ 61.201967][ T4152] [ 61.201967][ T4152] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 61.203836][ T4152] __mutex_lock_common+0x194/0x2154 [ 61.205214][ T4152] mutex_lock_nested+0xa4/0xf8 [ 61.206442][ T4152] bg_scan_update+0x9c/0x470 [ 61.207556][ T4152] process_one_work+0x790/0x11b8 [ 61.208775][ T4152] worker_thread+0x910/0x1034 [ 61.210057][ T4152] kthread+0x37c/0x45c [ 61.211153][ T4152] ret_from_fork+0x10/0x20 [ 61.212253][ T4152] [ 61.212253][ T4152] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 61.214548][ T4152] __lock_acquire+0x32d4/0x7638 [ 61.215858][ T4152] lock_acquire+0x240/0x77c [ 61.217066][ T4152] __flush_work+0xf8/0x1c0 [ 61.218276][ T4152] __cancel_work_timer+0x3ec/0x548 [ 61.219615][ T4152] cancel_work_sync+0x24/0x38 [ 61.220926][ T4152] hci_request_cancel_all+0xcc/0x2d0 [ 61.222316][ T4152] hci_dev_do_close+0x54/0x1060 [ 61.223583][ T4152] hci_rfkill_set_block+0xdc/0x1d0 [ 61.224822][ T4152] rfkill_set_block+0x18c/0x37c [ 61.226100][ T4152] rfkill_fop_write+0x594/0x750 [ 61.227285][ T4152] vfs_write+0x280/0xb44 [ 61.228370][ T4152] ksys_write+0x15c/0x26c [ 61.229419][ T4152] __arm64_sys_write+0x7c/0x90 [ 61.230697][ T4152] invoke_syscall+0x98/0x2b8 [ 61.231857][ T4152] el0_svc_common+0x138/0x258 [ 61.233172][ T4152] do_el0_svc+0x58/0x14c [ 61.234352][ T4152] el0_svc+0x7c/0x1f0 [ 61.235309][ T4152] el0t_64_sync_handler+0x84/0xe4 [ 61.236600][ T4152] el0t_64_sync+0x1a0/0x1a4 [ 61.237735][ T4152] [ 61.237735][ T4152] other info that might help us debug this: [ 61.237735][ T4152] [ 61.239793][ T4152] Chain exists of: [ 61.239793][ T4152] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 61.239793][ T4152] [ 61.243297][ T4152] Possible unsafe locking scenario: [ 61.243297][ T4152] [ 61.244992][ T4152] CPU0 CPU1 [ 61.246216][ T4152] ---- ---- [ 61.247397][ T4152] lock(rfkill_global_mutex); [ 61.248494][ T4152] lock(&data->open_mutex); [ 61.250196][ T4152] lock(rfkill_global_mutex); [ 61.251750][ T4152] lock((work_completion)(&hdev->bg_scan_update)); [ 61.253182][ T4152] [ 61.253182][ T4152] *** DEADLOCK *** [ 61.253182][ T4152] [ 61.255269][ T4152] 1 lock held by syz.0.15/4152: [ 61.256396][ T4152] #0: ffff800016e75ba8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 61.258743][ T4152] [ 61.258743][ T4152] stack backtrace: [ 61.260008][ T4152] CPU: 0 PID: 4152 Comm: syz.0.15 Not tainted 5.15.167-syzkaller #0 [ 61.261844][ T4152] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 61.264103][ T4152] Call trace: [ 61.264778][ T4152] dump_backtrace+0x0/0x530 [ 61.265804][ T4152] show_stack+0x2c/0x3c [ 61.266765][ T4152] dump_stack_lvl+0x108/0x170 [ 61.267869][ T4152] dump_stack+0x1c/0x58 [ 61.268760][ T4152] print_circular_bug+0x150/0x1b8 [ 61.269995][ T4152] check_noncircular+0x2cc/0x378 [ 61.271148][ T4152] __lock_acquire+0x32d4/0x7638 [ 61.272302][ T4152] lock_acquire+0x240/0x77c [ 61.273383][ T4152] __flush_work+0xf8/0x1c0 [ 61.274327][ T4152] __cancel_work_timer+0x3ec/0x548 [ 61.275526][ T4152] cancel_work_sync+0x24/0x38 [ 61.276575][ T4152] hci_request_cancel_all+0xcc/0x2d0 [ 61.277756][ T4152] hci_dev_do_close+0x54/0x1060 [ 61.278877][ T4152] hci_rfkill_set_block+0xdc/0x1d0 [ 61.280130][ T4152] rfkill_set_block+0x18c/0x37c [ 61.281254][ T4152] rfkill_fop_write+0x594/0x750 [ 61.282339][ T4152] vfs_write+0x280/0xb44 [ 61.283362][ T4152] ksys_write+0x15c/0x26c [ 61.284334][ T4152] __arm64_sys_write+0x7c/0x90 [ 61.285434][ T4152] invoke_syscall+0x98/0x2b8 [ 61.286511][ T4152] el0_svc_common+0x138/0x258 [ 61.287586][ T4152] do_el0_svc+0x58/0x14c [ 61.288513][ T4152] el0_svc+0x7c/0x1f0 [ 61.289348][ T4152] el0t_64_sync_handler+0x84/0xe4 [ 61.290545][ T4152] el0t_64_sync+0x1a0/0x1a4 [ 61.308633][ T21] Bluetooth: hci0: command 0x040f tx timeout