Warning: Permanently added '10.128.1.111' (ED25519) to the list of known hosts. 1970/01/01 00:00:44 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:00:46 parsed 1 programs [ 48.601584][ T4030] cgroup: Unknown subsys name 'net' [ 48.831303][ T4030] cgroup: Unknown subsys name 'rlimit' [ 49.201961][ T4030] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 61.233488][ T153] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 61.235877][ T153] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 61.240401][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 61.253403][ T153] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 61.255620][ T153] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 61.258292][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 62.055608][ T4095] chnl_net:caif_netlink_parms(): no params data found [ 62.094765][ T4095] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.098167][ T4095] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.100893][ T4095] device bridge_slave_0 entered promiscuous mode [ 62.105747][ T4095] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.107636][ T4095] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.110215][ T4095] device bridge_slave_1 entered promiscuous mode [ 62.128443][ T4095] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.133237][ T4095] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.151690][ T4095] team0: Port device team_slave_0 added [ 62.157219][ T4095] team0: Port device team_slave_1 added [ 62.170770][ T4095] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 62.172636][ T4095] 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. [ 62.181125][ T4095] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 62.186024][ T4095] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 62.187836][ T4095] 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. [ 62.194702][ T4095] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 62.277566][ T4095] device hsr_slave_0 entered promiscuous mode [ 62.315587][ T4095] device hsr_slave_1 entered promiscuous mode [ 62.453248][ T4095] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 62.517916][ T4095] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 62.568133][ T4095] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 62.627535][ T4095] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 62.721672][ T4095] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.731920][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.734791][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.739834][ T4095] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.744182][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.747731][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.750616][ T537] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.752631][ T537] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.755696][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.764146][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.768840][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.771497][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.773428][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.786360][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.789404][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.792207][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.795033][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.800451][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.812445][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.815579][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.825697][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.829805][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.835705][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.838285][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.844739][ T4095] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.934233][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.938687][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.946631][ T4095] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.960132][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 62.971913][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 62.977075][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 62.979613][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 62.983951][ T4095] device veth0_vlan entered promiscuous mode [ 62.991668][ T4095] device veth1_vlan entered promiscuous mode [ 63.009240][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 63.011780][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 63.014453][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 63.019044][ T4095] device veth0_macvtap entered promiscuous mode [ 63.023331][ T4095] device veth1_macvtap entered promiscuous mode [ 63.036678][ T4095] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 63.038885][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 63.041598][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 63.044278][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 63.051408][ T4095] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 63.053418][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 63.057868][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 63.063069][ T4095] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.067077][ T4095] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.069348][ T4095] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.071572][ T4095] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:01:03 executed programs: 0 [ 63.779679][ T4130] chnl_net:caif_netlink_parms(): no params data found [ 63.817988][ T4130] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.819910][ T4130] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.822656][ T4130] device bridge_slave_0 entered promiscuous mode [ 63.826397][ T4130] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.828284][ T4130] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.830712][ T4130] device bridge_slave_1 entered promiscuous mode [ 63.846045][ T4130] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.850306][ T4130] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.864914][ T4130] team0: Port device team_slave_0 added [ 63.869148][ T4130] team0: Port device team_slave_1 added [ 63.886155][ T4130] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 63.888029][ T4130] 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. [ 63.894654][ T4130] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 63.899376][ T4130] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 63.901195][ T4130] 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. [ 63.908116][ T4130] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 63.967264][ T4130] device hsr_slave_0 entered promiscuous mode [ 64.005613][ T4130] device hsr_slave_1 entered promiscuous mode [ 64.045300][ T4130] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 64.047495][ T4130] Cannot create hsr debugfs directory [ 64.142051][ T4130] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 65.705904][ T4101] Bluetooth: hci0: command 0x0409 tx timeout [ 66.433221][ T4130] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 67.785271][ T21] Bluetooth: hci0: command 0x041b tx timeout [ 68.360842][ T4130] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 68.584112][ T4130] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 68.760538][ T4130] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 68.808088][ T4130] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 68.867333][ T4130] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 68.927146][ T4130] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 69.084801][ T4130] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.093489][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.099716][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.104862][ T4130] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.111906][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.114603][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.120539][ T537] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.122434][ T537] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.132294][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.134806][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.140570][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.143078][ T537] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.144928][ T537] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.148700][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.164315][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.168244][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.171431][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.174129][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.181699][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.190794][ T4130] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 69.193562][ T4130] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 69.202126][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.204757][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.207880][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.211088][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.213675][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.223387][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.313583][ T4130] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.320402][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.322434][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.334593][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 69.339237][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 69.354454][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 69.360383][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 69.364337][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 69.367127][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 69.371350][ T4130] device veth0_vlan entered promiscuous mode [ 69.379797][ T4130] device veth1_vlan entered promiscuous mode [ 69.400165][ T4130] device veth0_macvtap entered promiscuous mode [ 69.402638][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 69.406914][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 69.411037][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 69.413620][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 69.418785][ T4130] device veth1_macvtap entered promiscuous mode [ 69.426849][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 69.429437][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 69.434436][ T4130] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 69.438187][ T4130] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 69.441779][ T4130] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 69.443844][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 69.449787][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 69.454348][ T4130] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 69.458635][ T4130] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 69.462222][ T4130] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 69.467970][ T4130] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 69.470265][ T4130] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 69.472487][ T4130] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 69.474729][ T4130] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 69.478739][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 69.481480][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 69.528505][ T148] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 69.530731][ T148] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 69.533580][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 69.553285][ T537] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 69.556176][ T537] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 69.559017][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 69.623853][ T4142] [ 69.624554][ T4142] ====================================================== [ 69.626424][ T4142] WARNING: possible circular locking dependency detected [ 69.628298][ T4142] 5.15.185-syzkaller #0 Not tainted [ 69.629696][ T4142] ------------------------------------------------------ [ 69.631578][ T4142] syz.0.16/4142 is trying to acquire lock: [ 69.633121][ T4142] ffff0000d15d8c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xcc/0x1bc [ 69.636069][ T4142] [ 69.636069][ T4142] but task is already holding lock: [ 69.638015][ T4142] ffff800016507d48 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x238/0x5cc [ 69.640572][ T4142] [ 69.640572][ T4142] which lock already depends on the new lock. [ 69.640572][ T4142] [ 69.643351][ T4142] [ 69.643351][ T4142] the existing dependency chain (in reverse order) is: [ 69.645821][ T4142] [ 69.645821][ T4142] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 69.647973][ T4142] __mutex_lock_common+0x194/0x1edc [ 69.649505][ T4142] mutex_lock_nested+0xac/0x11c [ 69.650945][ T4142] rfkill_register+0x44/0x77c [ 69.652331][ T4142] hci_register_dev+0x3d8/0x854 [ 69.653758][ T4142] vhci_create_device+0x2bc/0x564 [ 69.655251][ T4142] vhci_write+0x30c/0x3ac [ 69.656552][ T4142] vfs_write+0x7c8/0xa2c [ 69.657825][ T4142] ksys_write+0x120/0x210 [ 69.659161][ T4142] __arm64_sys_write+0x7c/0x90 [ 69.660589][ T4142] invoke_syscall+0x98/0x2b8 [ 69.662038][ T4142] el0_svc_common+0x138/0x258 [ 69.663418][ T4142] do_el0_svc+0x58/0x14c [ 69.664691][ T4142] el0_svc+0x78/0x1e0 [ 69.665894][ T4142] el0t_64_sync_handler+0xcc/0xe4 [ 69.667386][ T4142] el0t_64_sync+0x1a0/0x1a4 [ 69.668728][ T4142] [ 69.668728][ T4142] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 69.670819][ T4142] __mutex_lock_common+0x194/0x1edc [ 69.672356][ T4142] mutex_lock_nested+0xac/0x11c [ 69.673783][ T4142] vhci_send_frame+0x88/0x118 [ 69.675175][ T4142] hci_send_frame+0x194/0x2f0 [ 69.676551][ T4142] hci_tx_work+0x7e4/0x1394 [ 69.677916][ T4142] process_one_work+0x79c/0x1140 [ 69.679435][ T4142] worker_thread+0x8f4/0x101c [ 69.680843][ T4142] kthread+0x374/0x454 [ 69.682066][ T4142] ret_from_fork+0x10/0x20 [ 69.683370][ T4142] [ 69.683370][ T4142] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 69.685830][ T4142] __flush_work+0xf4/0x1bc [ 69.687147][ T4142] flush_work+0x24/0x38 [ 69.688389][ T4142] hci_dev_do_close+0x164/0x105c [ 69.689838][ T4142] hci_unregister_dev+0x23c/0x4c0 [ 69.691323][ T4142] vhci_release+0x74/0xc4 [ 69.692628][ T4142] __fput+0x1c0/0x7f8 [ 69.693825][ T4142] ____fput+0x20/0x30 [ 69.695024][ T4142] task_work_run+0x12c/0x1e0 [ 69.696451][ T4142] do_exit+0x67c/0x1f58 [ 69.697657][ T4142] do_group_exit+0x100/0x268 [ 69.699079][ T4142] get_signal+0x73c/0x1340 [ 69.700413][ T4142] do_notify_resume+0x35c/0x3128 [ 69.701873][ T4142] el0_svc+0xf0/0x1e0 [ 69.703121][ T4142] el0t_64_sync_handler+0xcc/0xe4 [ 69.704593][ T4142] el0t_64_sync+0x1a0/0x1a4 [ 69.705923][ T4142] [ 69.705923][ T4142] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 69.707971][ T4142] __mutex_lock_common+0x194/0x1edc [ 69.709478][ T4142] mutex_lock_nested+0xac/0x11c [ 69.710918][ T4142] bg_scan_update+0x48/0x3d0 [ 69.712328][ T4142] process_one_work+0x79c/0x1140 [ 69.713809][ T4142] worker_thread+0x8f4/0x101c [ 69.715228][ T4142] kthread+0x374/0x454 [ 69.716484][ T4142] ret_from_fork+0x10/0x20 [ 69.717825][ T4142] [ 69.717825][ T4142] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 69.720468][ T4142] __lock_acquire+0x2928/0x651c [ 69.721908][ T4142] lock_acquire+0x1f4/0x620 [ 69.723264][ T4142] __flush_work+0xf4/0x1bc [ 69.724589][ T4142] __cancel_work_timer+0x2ec/0x448 [ 69.726101][ T4142] cancel_work_sync+0x24/0x38 [ 69.727526][ T4142] hci_request_cancel_all+0xbc/0x2d0 [ 69.729093][ T4142] hci_dev_do_close+0x54/0x105c [ 69.730564][ T4142] hci_rfkill_set_block+0xdc/0x1d0 [ 69.732078][ T4142] rfkill_set_block+0x18c/0x374 [ 69.733480][ T4142] rfkill_fop_write+0x4a4/0x5cc [ 69.734912][ T4142] vfs_write+0x280/0xa2c [ 69.736198][ T4142] ksys_write+0x120/0x210 [ 69.737479][ T4142] __arm64_sys_write+0x7c/0x90 [ 69.738892][ T4142] invoke_syscall+0x98/0x2b8 [ 69.740284][ T4142] el0_svc_common+0x138/0x258 [ 69.741669][ T4142] do_el0_svc+0x58/0x14c [ 69.742932][ T4142] el0_svc+0x78/0x1e0 [ 69.744186][ T4142] el0t_64_sync_handler+0xcc/0xe4 [ 69.745663][ T4142] el0t_64_sync+0x1a0/0x1a4 [ 69.747041][ T4142] [ 69.747041][ T4142] other info that might help us debug this: [ 69.747041][ T4142] [ 69.749799][ T4142] Chain exists of: [ 69.749799][ T4142] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 69.749799][ T4142] [ 69.754054][ T4142] Possible unsafe locking scenario: [ 69.754054][ T4142] [ 69.756025][ T4142] CPU0 CPU1 [ 69.757446][ T4142] ---- ---- [ 69.758891][ T4142] lock(rfkill_global_mutex); [ 69.760151][ T4142] lock(&data->open_mutex); [ 69.762064][ T4142] lock(rfkill_global_mutex); [ 69.764069][ T4142] lock((work_completion)(&hdev->bg_scan_update)); [ 69.765845][ T4142] [ 69.765845][ T4142] *** DEADLOCK *** [ 69.765845][ T4142] [ 69.768083][ T4142] 1 lock held by syz.0.16/4142: [ 69.769353][ T4142] #0: ffff800016507d48 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x238/0x5cc [ 69.772068][ T4142] [ 69.772068][ T4142] stack backtrace: [ 69.773611][ T4142] CPU: 1 PID: 4142 Comm: syz.0.16 Not tainted 5.15.185-syzkaller #0 [ 69.775722][ T4142] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 69.778392][ T4142] Call trace: [ 69.779247][ T4142] dump_backtrace+0x0/0x43c [ 69.780447][ T4142] show_stack+0x2c/0x3c [ 69.781590][ T4142] __dump_stack+0x30/0x40 [ 69.782733][ T4142] dump_stack_lvl+0xf8/0x160 [ 69.783996][ T4142] dump_stack+0x1c/0x5c [ 69.785128][ T4142] print_circular_bug+0x148/0x1b0 [ 69.786434][ T4142] check_noncircular+0x240/0x2d4 [ 69.787743][ T4142] __lock_acquire+0x2928/0x651c [ 69.789061][ T4142] lock_acquire+0x1f4/0x620 [ 69.790271][ T4142] __flush_work+0xf4/0x1bc [ 69.791433][ T4142] __cancel_work_timer+0x2ec/0x448 [ 69.792808][ T4142] cancel_work_sync+0x24/0x38 [ 69.794068][ T4142] hci_request_cancel_all+0xbc/0x2d0 [ 69.795487][ T4142] hci_dev_do_close+0x54/0x105c [ 69.796776][ T4142] hci_rfkill_set_block+0xdc/0x1d0 [ 69.798147][ T4142] rfkill_set_block+0x18c/0x374 [ 69.799438][ T4142] rfkill_fop_write+0x4a4/0x5cc [ 69.800741][ T4142] vfs_write+0x280/0xa2c [ 69.801907][ T4142] ksys_write+0x120/0x210 [ 69.803110][ T4142] __arm64_sys_write+0x7c/0x90 [ 69.804425][ T4142] invoke_syscall+0x98/0x2b8 [ 69.805616][ T4142] el0_svc_common+0x138/0x258 [ 69.806849][ T4142] do_el0_svc+0x58/0x14c [ 69.808040][ T4142] el0_svc+0x78/0x1e0 [ 69.809090][ T4142] el0t_64_sync_handler+0xcc/0xe4 [ 69.810413][ T4142] el0t_64_sync+0x1a0/0x1a4 [ 69.812746][ T2055] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.814448][ T2055] ieee802154 phy1 wpan1: encryption failed: -22 [ 69.875354][ T4101] Bluetooth: hci0: command 0x040f tx timeout