Warning: Permanently added '10.128.0.164' (ED25519) to the list of known hosts. 1970/01/01 00:00:39 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:00:39 parsed 1 programs [ 42.486318][ T4022] cgroup: Unknown subsys name 'net' [ 42.715147][ T4022] cgroup: Unknown subsys name 'rlimit' [ 43.049350][ T4022] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 50.368814][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 50.370661][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 50.373147][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 50.387365][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 50.388973][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 50.391459][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 50.661969][ T4062] chnl_net:caif_netlink_parms(): no params data found [ 50.701881][ T4062] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.703500][ T4062] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.705735][ T4062] device bridge_slave_0 entered promiscuous mode [ 50.710279][ T4062] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.711782][ T4062] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.713939][ T4062] device bridge_slave_1 entered promiscuous mode [ 50.729740][ T4062] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 50.733383][ T4062] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 50.752806][ T4062] team0: Port device team_slave_0 added [ 50.756011][ T4062] team0: Port device team_slave_1 added [ 50.769221][ T4062] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 50.770641][ T4062] 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. [ 50.775969][ T4062] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 50.780294][ T4062] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 50.781794][ T4062] 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. [ 50.787609][ T4062] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 50.932692][ T4062] device hsr_slave_0 entered promiscuous mode [ 50.970741][ T4062] device hsr_slave_1 entered promiscuous mode [ 51.103448][ T4062] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 51.153690][ T4062] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 51.201644][ T4062] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 51.272986][ T4062] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 51.373484][ T4062] 8021q: adding VLAN 0 to HW filter on device bond0 [ 51.380882][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 51.383559][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 51.388637][ T4062] 8021q: adding VLAN 0 to HW filter on device team0 [ 51.396811][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 51.400210][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 51.402658][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.404249][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.415450][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 51.417692][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 51.420655][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 51.422826][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.424349][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.437246][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 51.440875][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 51.443491][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 51.446292][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 51.455714][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 51.457853][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 51.461644][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 51.463873][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 51.466072][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 51.468398][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 51.472012][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 51.476070][ T4062] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 51.542991][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 51.544749][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 51.552905][ T4062] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 51.565903][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 51.577551][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 51.580408][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 51.582399][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 51.586735][ T4062] device veth0_vlan entered promiscuous mode [ 51.594777][ T4062] device veth1_vlan entered promiscuous mode [ 51.608296][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 51.612323][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 51.614620][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 51.618489][ T4062] device veth0_macvtap entered promiscuous mode [ 51.623037][ T4062] device veth1_macvtap entered promiscuous mode [ 51.634209][ T4062] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 51.635920][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 51.638299][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 51.641837][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 51.647685][ T4062] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 51.653915][ T4062] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.656064][ T4062] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.657933][ T4062] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.660608][ T4062] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.663742][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 51.665988][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 52.162176][ T1665] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:52 executed programs: 0 [ 52.673515][ T4103] chnl_net:caif_netlink_parms(): no params data found [ 52.706581][ T4103] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.708191][ T4103] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.711262][ T4103] device bridge_slave_0 entered promiscuous mode [ 52.715014][ T4103] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.716583][ T4103] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.718776][ T4103] device bridge_slave_1 entered promiscuous mode [ 52.741073][ T4103] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 52.745053][ T4103] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 52.762775][ T4103] team0: Port device team_slave_0 added [ 52.765607][ T4103] team0: Port device team_slave_1 added [ 52.778318][ T4103] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 52.779969][ 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. [ 52.785445][ T4103] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 52.788966][ T4103] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 52.790925][ 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. [ 52.796259][ T4103] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 52.851498][ T4103] device hsr_slave_0 entered promiscuous mode [ 52.899457][ T4103] device hsr_slave_1 entered promiscuous mode [ 52.939150][ T4103] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 52.940924][ T4103] Cannot create hsr debugfs directory [ 54.536365][ T1665] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 54.649667][ T21] Bluetooth: hci0: command 0x0409 tx timeout [ 56.729751][ T4073] Bluetooth: hci0: command 0x041b tx timeout [ 56.925590][ T1665] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 56.987694][ T1665] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 57.938817][ T4103] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 57.981536][ T4103] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 58.011588][ T4103] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 58.051383][ T4103] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 58.152777][ T4103] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.162790][ T4103] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.164486][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.166850][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.171708][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.174038][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.176116][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.177625][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.180164][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.185178][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.187415][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.189982][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.191557][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.196182][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.241324][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.245572][ T426] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.248524][ T426] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.252877][ T426] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.256906][ T426] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.260413][ T426] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.264948][ T426] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.267138][ T426] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.273743][ T426] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.276002][ T426] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.282433][ T4103] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.350363][ T426] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.351969][ T426] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.357038][ T4103] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.370489][ T426] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 58.372763][ T426] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 58.386017][ T426] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 58.388639][ T426] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 58.392114][ T426] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 58.394179][ T426] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 58.398003][ T4103] device veth0_vlan entered promiscuous mode [ 58.405506][ T4103] device veth1_vlan entered promiscuous mode [ 58.421639][ T4103] device veth0_macvtap entered promiscuous mode [ 58.423774][ T426] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 58.426072][ T426] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 58.428123][ T426] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 58.430403][ T426] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 58.432751][ T426] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 58.437748][ T4103] device veth1_macvtap entered promiscuous mode [ 58.448330][ T4103] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 58.451986][ T4103] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 58.455051][ T4103] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 58.456735][ T426] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 58.458826][ T426] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 58.462464][ T426] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 58.466386][ T4103] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 58.468635][ T4103] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 58.472264][ T4103] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 58.473997][ T426] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 58.476324][ T426] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 58.480472][ T4103] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.482227][ T4103] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.484120][ T4103] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.485904][ T4103] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.562166][ T426] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 58.564055][ T426] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 58.566615][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 58.578573][ T426] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 58.580791][ T426] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 58.583109][ T426] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 58.785013][ T4161] [ 58.785518][ T4161] ====================================================== [ 58.786940][ T4161] WARNING: possible circular locking dependency detected [ 58.788336][ T4161] 5.15.168-syzkaller #0 Not tainted [ 58.789487][ T4161] ------------------------------------------------------ [ 58.790976][ T4161] syz.0.15/4161 is trying to acquire lock: [ 58.792184][ T4161] ffff0000d6794c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xd0/0x1c0 [ 58.794569][ T4161] [ 58.794569][ T4161] but task is already holding lock: [ 58.796155][ T4161] ffff800016e66e28 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 58.798258][ T4161] [ 58.798258][ T4161] which lock already depends on the new lock. [ 58.798258][ T4161] [ 58.800486][ T4161] [ 58.800486][ T4161] the existing dependency chain (in reverse order) is: [ 58.802355][ T4161] [ 58.802355][ T4161] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 58.804045][ T4161] __mutex_lock_common+0x194/0x2154 [ 58.805226][ T4161] mutex_lock_nested+0xa4/0xf8 [ 58.806303][ T4161] rfkill_register+0x44/0x7a4 [ 58.807595][ T4161] hci_register_dev+0x3e0/0x880 [ 58.808683][ T4161] vhci_create_device+0x2c4/0x568 [ 58.809837][ T4161] vhci_write+0x318/0x3b8 [ 58.810936][ T4161] vfs_write+0x884/0xb44 [ 58.811964][ T4161] ksys_write+0x15c/0x26c [ 58.813059][ T4161] __arm64_sys_write+0x7c/0x90 [ 58.814236][ T4161] invoke_syscall+0x98/0x2b8 [ 58.815399][ T4161] el0_svc_common+0x138/0x258 [ 58.816520][ T4161] do_el0_svc+0x58/0x14c [ 58.817533][ T4161] el0_svc+0x7c/0x1f0 [ 58.818461][ T4161] el0t_64_sync_handler+0x84/0xe4 [ 58.819667][ T4161] el0t_64_sync+0x1a0/0x1a4 [ 58.820758][ T4161] [ 58.820758][ T4161] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 58.822434][ T4161] __mutex_lock_common+0x194/0x2154 [ 58.823671][ T4161] mutex_lock_nested+0xa4/0xf8 [ 58.824724][ T4161] vhci_send_frame+0x8c/0x10c [ 58.825909][ T4161] hci_send_frame+0x194/0x2f0 [ 58.826951][ T4161] hci_tx_work+0x9ac/0x16cc [ 58.827991][ T4161] process_one_work+0x790/0x11b8 [ 58.829159][ T4161] worker_thread+0x910/0x1034 [ 58.830359][ T4161] kthread+0x37c/0x45c [ 58.831295][ T4161] ret_from_fork+0x10/0x20 [ 58.832415][ T4161] [ 58.832415][ T4161] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 58.834455][ T4161] __flush_work+0xf8/0x1c0 [ 58.835511][ T4161] flush_work+0x24/0x38 [ 58.836525][ T4161] hci_dev_do_close+0x16c/0x1060 [ 58.837750][ T4161] hci_unregister_dev+0x248/0x4d4 [ 58.839003][ T4161] vhci_release+0x74/0xc4 [ 58.840053][ T4161] __fput+0x1c4/0x800 [ 58.840752][ T4134] Bluetooth: hci0: command 0x040f tx timeout [ 58.841023][ T4161] ____fput+0x20/0x30 [ 58.843353][ T4161] task_work_run+0x130/0x1e4 [ 58.844521][ T4161] do_exit+0x670/0x20bc [ 58.845478][ T4161] do_group_exit+0x110/0x268 [ 58.846655][ T4161] get_signal+0x634/0x1550 [ 58.847687][ T4161] do_notify_resume+0x3d0/0x32b8 [ 58.848829][ T4161] el0_svc+0xfc/0x1f0 [ 58.849786][ T4161] el0t_64_sync_handler+0x84/0xe4 [ 58.850934][ T4161] el0t_64_sync+0x1a0/0x1a4 [ 58.852049][ T4161] [ 58.852049][ T4161] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 58.853733][ T4161] __mutex_lock_common+0x194/0x2154 [ 58.854997][ T4161] mutex_lock_nested+0xa4/0xf8 [ 58.856107][ T4161] bg_scan_update+0x9c/0x470 [ 58.857312][ T4161] process_one_work+0x790/0x11b8 [ 58.858631][ T4161] worker_thread+0x910/0x1034 [ 58.859753][ T4161] kthread+0x37c/0x45c [ 58.860736][ T4161] ret_from_fork+0x10/0x20 [ 58.861747][ T4161] [ 58.861747][ T4161] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 58.864120][ T4161] __lock_acquire+0x32d4/0x7638 [ 58.865282][ T4161] lock_acquire+0x240/0x77c [ 58.866339][ T4161] __flush_work+0xf8/0x1c0 [ 58.867326][ T4161] __cancel_work_timer+0x3ec/0x548 [ 58.868461][ T4161] cancel_work_sync+0x24/0x38 [ 58.869631][ T4161] hci_request_cancel_all+0xcc/0x2d0 [ 58.870929][ T4161] hci_dev_do_close+0x54/0x1060 [ 58.872091][ T4161] hci_rfkill_set_block+0xdc/0x1d0 [ 58.873374][ T4161] rfkill_set_block+0x18c/0x37c [ 58.874519][ T4161] rfkill_fop_write+0x594/0x750 [ 58.875625][ T4161] do_iter_write+0x33c/0x66c [ 58.876692][ T4161] do_writev+0x220/0x3ec [ 58.877647][ T4161] __arm64_sys_writev+0x80/0x94 [ 58.878910][ T4161] invoke_syscall+0x98/0x2b8 [ 58.880022][ T4161] el0_svc_common+0x138/0x258 [ 58.881077][ T4161] do_el0_svc+0x58/0x14c [ 58.882210][ T4161] el0_svc+0x7c/0x1f0 [ 58.883121][ T4161] el0t_64_sync_handler+0x84/0xe4 [ 58.884374][ T4161] el0t_64_sync+0x1a0/0x1a4 [ 58.885506][ T4161] [ 58.885506][ T4161] other info that might help us debug this: [ 58.885506][ T4161] [ 58.887682][ T4161] Chain exists of: [ 58.887682][ T4161] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 58.887682][ T4161] [ 58.891079][ T4161] Possible unsafe locking scenario: [ 58.891079][ T4161] [ 58.892733][ T4161] CPU0 CPU1 [ 58.893814][ T4161] ---- ---- [ 58.894887][ T4161] lock(rfkill_global_mutex); [ 58.896022][ T4161] lock(&data->open_mutex); [ 58.897621][ T4161] lock(rfkill_global_mutex); [ 58.899129][ T4161] lock((work_completion)(&hdev->bg_scan_update)); [ 58.900556][ T4161] [ 58.900556][ T4161] *** DEADLOCK *** [ 58.900556][ T4161] [ 58.902306][ T4161] 1 lock held by syz.0.15/4161: [ 58.903332][ T4161] #0: ffff800016e66e28 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 58.905538][ T4161] [ 58.905538][ T4161] stack backtrace: [ 58.906744][ T4161] CPU: 0 PID: 4161 Comm: syz.0.15 Not tainted 5.15.168-syzkaller #0 [ 58.908358][ T4161] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 58.910435][ T4161] Call trace: [ 58.911124][ T4161] dump_backtrace+0x0/0x530 [ 58.912113][ T4161] show_stack+0x2c/0x3c [ 58.913018][ T4161] dump_stack_lvl+0x108/0x170 [ 58.914179][ T4161] dump_stack+0x1c/0x58 [ 58.915024][ T4161] print_circular_bug+0x150/0x1b8 [ 58.916141][ T4161] check_noncircular+0x2cc/0x378 [ 58.917175][ T4161] __lock_acquire+0x32d4/0x7638 [ 58.918222][ T4161] lock_acquire+0x240/0x77c [ 58.919126][ T4161] __flush_work+0xf8/0x1c0 [ 58.919988][ T4161] __cancel_work_timer+0x3ec/0x548 [ 58.921070][ T4161] cancel_work_sync+0x24/0x38 [ 58.921982][ T4161] hci_request_cancel_all+0xcc/0x2d0 [ 58.923077][ T4161] hci_dev_do_close+0x54/0x1060 [ 58.924207][ T4161] hci_rfkill_set_block+0xdc/0x1d0 [ 58.925246][ T4161] rfkill_set_block+0x18c/0x37c [ 58.926301][ T4161] rfkill_fop_write+0x594/0x750 [ 58.927313][ T4161] do_iter_write+0x33c/0x66c [ 58.928302][ T4161] do_writev+0x220/0x3ec [ 58.929252][ T4161] __arm64_sys_writev+0x80/0x94 [ 58.930359][ T4161] invoke_syscall+0x98/0x2b8 [ 58.931323][ T4161] el0_svc_common+0x138/0x258 [ 58.932296][ T4161] do_el0_svc+0x58/0x14c [ 58.933337][ T4161] el0_svc+0x7c/0x1f0 [ 58.934246][ T4161] el0t_64_sync_handler+0x84/0xe4 [ 58.935368][ T4161] el0t_64_sync+0x1a0/0x1a4