Warning: Permanently added '10.128.1.152' (ED25519) to the list of known hosts. 1970/01/01 00:00:39 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:00:40 parsed 1 programs [ 43.014382][ T4030] cgroup: Unknown subsys name 'net' [ 43.268308][ T4030] cgroup: Unknown subsys name 'rlimit' [ 43.600853][ T4030] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 52.538943][ T1614] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 52.541113][ T1614] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 52.547943][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 52.557194][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 52.559342][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 52.562274][ T1614] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 53.819506][ T4095] chnl_net:caif_netlink_parms(): no params data found [ 53.857253][ T4095] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.859282][ T4095] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.862366][ T4095] device bridge_slave_0 entered promiscuous mode [ 53.867029][ T4095] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.869110][ T4095] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.872245][ T4095] device bridge_slave_1 entered promiscuous mode [ 53.888421][ T4095] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 53.893318][ T4095] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 53.908676][ T4095] team0: Port device team_slave_0 added [ 53.912364][ T4095] team0: Port device team_slave_1 added [ 53.926650][ T4095] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 53.928644][ 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. [ 53.936255][ T4095] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 53.941040][ T4095] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 53.943541][ 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. [ 53.950528][ T4095] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 54.044120][ T4095] device hsr_slave_0 entered promiscuous mode [ 54.082223][ T4095] device hsr_slave_1 entered promiscuous mode [ 54.206053][ T4095] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 54.234807][ T4095] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 54.285100][ T4095] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 54.323998][ T4095] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 54.389976][ T4095] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.392198][ T4095] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.394693][ T4095] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.396631][ T4095] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.440041][ T4095] 8021q: adding VLAN 0 to HW filter on device bond0 [ 54.451114][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 54.456506][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.459845][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.467961][ T4095] 8021q: adding VLAN 0 to HW filter on device team0 [ 54.474423][ T1614] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 54.477238][ T1614] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.479314][ T1614] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.485265][ T1614] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 54.488065][ T1614] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.489965][ T1614] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.506304][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 54.510070][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 54.517246][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 54.527451][ T4095] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 54.530520][ T4095] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 54.538523][ T1614] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 54.543557][ T1614] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 54.546548][ T1614] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 54.623291][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 54.625566][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 54.634709][ T4095] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 54.645963][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 54.648806][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 54.660622][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 54.663455][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 54.666346][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 54.668958][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 54.675002][ T4095] device veth0_vlan entered promiscuous mode [ 54.683056][ T4095] device veth1_vlan entered promiscuous mode [ 54.704613][ T4095] device veth0_macvtap entered promiscuous mode [ 54.708546][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 54.711379][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 54.716466][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 54.719476][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 54.725683][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 54.732716][ T4095] device veth1_macvtap entered promiscuous mode [ 54.749468][ T4095] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 54.753845][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 54.756520][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 54.759252][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 54.771880][ T4095] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 54.774579][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 54.777390][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 54.784664][ T4095] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.787114][ T4095] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.789525][ T4095] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.792570][ T4095] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:55 executed programs: 0 [ 55.342751][ T4129] chnl_net:caif_netlink_parms(): no params data found [ 55.375828][ T4129] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.377907][ T4129] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.380492][ T4129] device bridge_slave_0 entered promiscuous mode [ 55.385424][ T4129] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.387466][ T4129] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.390305][ T4129] device bridge_slave_1 entered promiscuous mode [ 55.407223][ T4129] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.412610][ T4129] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.427445][ T4129] team0: Port device team_slave_0 added [ 55.430662][ T4129] team0: Port device team_slave_1 added [ 55.444401][ T4129] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 55.446415][ T4129] 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. [ 55.454089][ T4129] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 55.458526][ T4129] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 55.460553][ T4129] 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. [ 55.467840][ T4129] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 55.523682][ T4129] device hsr_slave_0 entered promiscuous mode [ 55.562086][ T4129] device hsr_slave_1 entered promiscuous mode [ 55.621967][ T4129] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 55.624395][ T4129] Cannot create hsr debugfs directory [ 55.726424][ T4129] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 57.322315][ T1534] Bluetooth: hci0: command 0x0409 tx timeout [ 57.890329][ T4129] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 59.402299][ T4108] Bluetooth: hci0: command 0x041b tx timeout [ 59.997498][ T4129] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 60.064310][ T4129] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 60.707895][ T4129] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 60.756672][ T4129] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 60.804042][ T4129] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 60.844049][ T4129] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 61.006083][ T4129] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.015980][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.019174][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.028283][ T4129] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.034472][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.037347][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.039916][ T153] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.041875][ T153] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.069278][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.073208][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.090399][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.096997][ T153] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.098836][ T153] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.101131][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.123436][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.129957][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.135935][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.138778][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.141501][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.150459][ T4129] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 61.158813][ T4129] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 61.165629][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.168256][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.171040][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.177883][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.180483][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.188042][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.382682][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.384852][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.402203][ T4129] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.418920][ T603] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 61.422261][ T603] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 61.446256][ T603] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 61.449001][ T603] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 61.454061][ T603] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 61.456553][ T603] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 61.460544][ T4129] device veth0_vlan entered promiscuous mode [ 61.469756][ T4129] device veth1_vlan entered promiscuous mode [ 61.481878][ T7] Bluetooth: hci0: command 0x040f tx timeout [ 61.489696][ T603] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 61.493180][ T603] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 61.496352][ T603] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 61.499545][ T603] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 61.507593][ T4129] device veth0_macvtap entered promiscuous mode [ 61.514315][ T4129] device veth1_macvtap entered promiscuous mode [ 61.526519][ T4129] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 61.529538][ T4129] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 61.534984][ T4129] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 61.537455][ T603] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 61.540130][ T603] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 61.545982][ T603] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 61.549170][ T603] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 61.555817][ T4129] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 61.558674][ T4129] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 61.564730][ T4129] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 61.566882][ T603] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 61.569533][ T603] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 61.574940][ T4129] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.577319][ T4129] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.579694][ T4129] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.585475][ T4129] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.634954][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 61.637279][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 61.640091][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 61.659058][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 61.661232][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 61.665686][ T603] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 61.730547][ T4141] [ 61.731264][ T4141] ====================================================== [ 61.733306][ T4141] WARNING: possible circular locking dependency detected [ 61.735326][ T4141] 5.15.183-syzkaller #0 Not tainted [ 61.736819][ T4141] ------------------------------------------------------ [ 61.738722][ T4141] syz.0.16/4141 is trying to acquire lock: [ 61.740319][ T4141] ffff0000d4ed4c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xcc/0x1bc [ 61.743309][ T4141] [ 61.743309][ T4141] but task is already holding lock: [ 61.745323][ T4141] ffff8000164f7308 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x238/0x5cc [ 61.748027][ T4141] [ 61.748027][ T4141] which lock already depends on the new lock. [ 61.748027][ T4141] [ 61.750866][ T4141] [ 61.750866][ T4141] the existing dependency chain (in reverse order) is: [ 61.753434][ T4141] [ 61.753434][ T4141] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 61.755614][ T4141] __mutex_lock_common+0x194/0x1edc [ 61.757167][ T4141] mutex_lock_nested+0xac/0x11c [ 61.758753][ T4141] rfkill_register+0x44/0x77c [ 61.760187][ T4141] hci_register_dev+0x3d8/0x854 [ 61.761694][ T4141] vhci_create_device+0x2bc/0x564 [ 61.763202][ T4141] vhci_write+0x30c/0x3ac [ 61.764546][ T4141] vfs_write+0x7c8/0xa2c [ 61.765843][ T4141] ksys_write+0x120/0x210 [ 61.767196][ T4141] __arm64_sys_write+0x7c/0x90 [ 61.768662][ T4141] invoke_syscall+0x98/0x2b8 [ 61.770041][ T4141] el0_svc_common+0x138/0x258 [ 61.771493][ T4141] do_el0_svc+0x58/0x14c [ 61.772880][ T4141] el0_svc+0x78/0x1e0 [ 61.774190][ T4141] el0t_64_sync_handler+0xcc/0xe4 [ 61.775730][ T4141] el0t_64_sync+0x1a0/0x1a4 [ 61.777080][ T4141] [ 61.777080][ T4141] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 61.779248][ T4141] __mutex_lock_common+0x194/0x1edc [ 61.780870][ T4141] mutex_lock_nested+0xac/0x11c [ 61.782344][ T4141] vhci_send_frame+0x88/0x118 [ 61.783794][ T4141] hci_send_frame+0x194/0x2f0 [ 61.785229][ T4141] hci_tx_work+0x7e4/0x1394 [ 61.786628][ T4141] process_one_work+0x79c/0x1140 [ 61.788126][ T4141] worker_thread+0x8f4/0x101c [ 61.789534][ T4141] kthread+0x374/0x454 [ 61.790797][ T4141] ret_from_fork+0x10/0x20 [ 61.792143][ T4141] [ 61.792143][ T4141] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 61.794633][ T4141] __flush_work+0xf4/0x1bc [ 61.796027][ T4141] flush_work+0x24/0x38 [ 61.797373][ T4141] hci_dev_do_close+0x164/0x105c [ 61.798880][ T4141] hci_unregister_dev+0x23c/0x4c0 [ 61.800365][ T4141] vhci_release+0x74/0xc4 [ 61.801708][ T4141] __fput+0x1c0/0x7f8 [ 61.802969][ T4141] ____fput+0x20/0x30 [ 61.804170][ T4141] task_work_run+0x12c/0x1e0 [ 61.805620][ T4141] do_exit+0x67c/0x1f58 [ 61.806923][ T4141] do_group_exit+0x100/0x268 [ 61.808323][ T4141] get_signal+0x73c/0x1340 [ 61.809662][ T4141] do_notify_resume+0x35c/0x3128 [ 61.811122][ T4141] el0_svc+0xf0/0x1e0 [ 61.812392][ T4141] el0t_64_sync_handler+0xcc/0xe4 [ 61.813973][ T4141] el0t_64_sync+0x1a0/0x1a4 [ 61.815353][ T4141] [ 61.815353][ T4141] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 61.817537][ T4141] __mutex_lock_common+0x194/0x1edc [ 61.819143][ T4141] mutex_lock_nested+0xac/0x11c [ 61.820642][ T4141] bg_scan_update+0x48/0x3d0 [ 61.822031][ T4141] process_one_work+0x79c/0x1140 [ 61.823473][ T4141] worker_thread+0x8f4/0x101c [ 61.824977][ T4141] kthread+0x374/0x454 [ 61.826191][ T4141] ret_from_fork+0x10/0x20 [ 61.827503][ T4141] [ 61.827503][ T4141] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 61.830267][ T4141] __lock_acquire+0x2928/0x651c [ 61.831771][ T4141] lock_acquire+0x1f4/0x620 [ 61.833132][ T4141] __flush_work+0xf4/0x1bc [ 61.834523][ T4141] __cancel_work_timer+0x2ec/0x448 [ 61.836068][ T4141] cancel_work_sync+0x24/0x38 [ 61.837449][ T4141] hci_request_cancel_all+0xbc/0x2d0 [ 61.839007][ T4141] hci_dev_do_close+0x54/0x105c [ 61.840440][ T4141] hci_rfkill_set_block+0xdc/0x1d0 [ 61.841967][ T4141] rfkill_set_block+0x18c/0x374 [ 61.843502][ T4141] rfkill_fop_write+0x4a4/0x5cc [ 61.845031][ T4141] vfs_write+0x280/0xa2c [ 61.846315][ T4141] ksys_write+0x120/0x210 [ 61.847729][ T4141] __arm64_sys_write+0x7c/0x90 [ 61.849307][ T4141] invoke_syscall+0x98/0x2b8 [ 61.850723][ T4141] el0_svc_common+0x138/0x258 [ 61.852173][ T4141] do_el0_svc+0x58/0x14c [ 61.853538][ T4141] el0_svc+0x78/0x1e0 [ 61.854834][ T4141] el0t_64_sync_handler+0xcc/0xe4 [ 61.856499][ T4141] el0t_64_sync+0x1a0/0x1a4 [ 61.857989][ T4141] [ 61.857989][ T4141] other info that might help us debug this: [ 61.857989][ T4141] [ 61.860868][ T4141] Chain exists of: [ 61.860868][ T4141] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 61.860868][ T4141] [ 61.865283][ T4141] Possible unsafe locking scenario: [ 61.865283][ T4141] [ 61.867380][ T4141] CPU0 CPU1 [ 61.868915][ T4141] ---- ---- [ 61.870404][ T4141] lock(rfkill_global_mutex); [ 61.871787][ T4141] lock(&data->open_mutex); [ 61.873835][ T4141] lock(rfkill_global_mutex); [ 61.875890][ T4141] lock((work_completion)(&hdev->bg_scan_update)); [ 61.877708][ T4141] [ 61.877708][ T4141] *** DEADLOCK *** [ 61.877708][ T4141] [ 61.880017][ T4141] 1 lock held by syz.0.16/4141: [ 61.881331][ T4141] #0: ffff8000164f7308 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x238/0x5cc [ 61.884174][ T4141] [ 61.884174][ T4141] stack backtrace: [ 61.885786][ T4141] CPU: 1 PID: 4141 Comm: syz.0.16 Not tainted 5.15.183-syzkaller #0 [ 61.888025][ T4141] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 61.890852][ T4141] Call trace: [ 61.891723][ T4141] dump_backtrace+0x0/0x43c [ 61.893082][ T4141] show_stack+0x2c/0x3c [ 61.894132][ T4141] __dump_stack+0x30/0x40 [ 61.895273][ T4141] dump_stack_lvl+0xf8/0x160 [ 61.896483][ T4141] dump_stack+0x1c/0x5c [ 61.897608][ T4141] print_circular_bug+0x148/0x1b0 [ 61.898923][ T4141] check_noncircular+0x240/0x2d4 [ 61.900228][ T4141] __lock_acquire+0x2928/0x651c [ 61.901503][ T4141] lock_acquire+0x1f4/0x620 [ 61.902749][ T4141] __flush_work+0xf4/0x1bc [ 61.903911][ T4141] __cancel_work_timer+0x2ec/0x448 [ 61.905268][ T4141] cancel_work_sync+0x24/0x38 [ 61.906473][ T4141] hci_request_cancel_all+0xbc/0x2d0 [ 61.907844][ T4141] hci_dev_do_close+0x54/0x105c [ 61.909110][ T4141] hci_rfkill_set_block+0xdc/0x1d0 [ 61.910508][ T4141] rfkill_set_block+0x18c/0x374 [ 61.911750][ T4141] rfkill_fop_write+0x4a4/0x5cc [ 61.913070][ T4141] vfs_write+0x280/0xa2c [ 61.914144][ T4141] ksys_write+0x120/0x210 [ 61.915291][ T4141] __arm64_sys_write+0x7c/0x90 [ 61.916554][ T4141] invoke_syscall+0x98/0x2b8 [ 61.917791][ T4141] el0_svc_common+0x138/0x258 [ 61.919069][ T4141] do_el0_svc+0x58/0x14c [ 61.920268][ T4141] el0_svc+0x78/0x1e0 [ 61.921331][ T4141] el0t_64_sync_handler+0xcc/0xe4 [ 61.922694][ T4141] el0t_64_sync+0x1a0/0x1a4