Warning: Permanently added '10.128.10.12' (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 [ 49.157304][ T4042] cgroup: Unknown subsys name 'net' [ 49.418931][ T4042] cgroup: Unknown subsys name 'rlimit' [ 49.808102][ T4042] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 57.880723][ T4074] chnl_net:caif_netlink_parms(): no params data found [ 57.928713][ T4074] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.930665][ T4074] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.933647][ T4074] device bridge_slave_0 entered promiscuous mode [ 57.938174][ T4074] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.940132][ T4074] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.943241][ T4074] device bridge_slave_1 entered promiscuous mode [ 57.964734][ T4074] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.969095][ T4074] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.987894][ T4074] team0: Port device team_slave_0 added [ 57.991931][ T4074] team0: Port device team_slave_1 added [ 58.005841][ T4074] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 58.007717][ T4074] 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. [ 58.014911][ T4074] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 58.019553][ T4074] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 58.021502][ T4074] 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. [ 58.028328][ T4074] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 58.104071][ T4074] device hsr_slave_0 entered promiscuous mode [ 58.141843][ T4074] device hsr_slave_1 entered promiscuous mode [ 58.329486][ T4074] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 58.365667][ T4074] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 58.413708][ T4074] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 58.479464][ T4074] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 58.606337][ T4074] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.618159][ T1669] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.625278][ T1669] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.632609][ T4074] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.637565][ T1669] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.640757][ T1669] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.646070][ T1669] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.648161][ T1669] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.653420][ T1669] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.657727][ T1669] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.660524][ T1669] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.665453][ T1669] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.667413][ T1669] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.684869][ T1669] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.689792][ T1669] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.693992][ T1669] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.697419][ T1669] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.700222][ T1669] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.704792][ T1669] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.707431][ T1669] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.710100][ T1669] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.713563][ T1669] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.716312][ T1669] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.719049][ T1669] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.727752][ T4074] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.823199][ T1669] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.825494][ T1669] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.833397][ T4074] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.848147][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 58.853141][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 58.865981][ T1669] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 58.869260][ T1669] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 58.874450][ T1669] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 58.877352][ T1669] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 58.883022][ T4074] device veth0_vlan entered promiscuous mode [ 58.889605][ T4074] device veth1_vlan entered promiscuous mode [ 58.906292][ T1669] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 58.909073][ T1669] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 58.923309][ T1669] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 58.926711][ T1669] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 58.933650][ T4074] device veth0_macvtap entered promiscuous mode [ 58.938398][ T4074] device veth1_macvtap entered promiscuous mode [ 58.950468][ T4074] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 58.952953][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 58.956938][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 58.959641][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 58.964903][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 58.970600][ T4074] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 58.975001][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 58.982370][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 58.986840][ T4074] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.989329][ T4074] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.992344][ T4074] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.994728][ T4074] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.277128][ T1669] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 59.279369][ T1669] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 59.284594][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 59.306467][ T1669] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 59.308667][ T1669] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 59.314434][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 59.735128][ T9] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:01:00 executed programs: 0 [ 60.669605][ T4133] chnl_net:caif_netlink_parms(): no params data found [ 60.706857][ T4133] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.709032][ T4133] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.712079][ T4133] device bridge_slave_0 entered promiscuous mode [ 60.715893][ T4133] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.717897][ T4133] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.720632][ T4133] device bridge_slave_1 entered promiscuous mode [ 60.737322][ T4133] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.742475][ T4133] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.765212][ T4133] team0: Port device team_slave_0 added [ 60.769503][ T4133] team0: Port device team_slave_1 added [ 60.785432][ T4133] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 60.787471][ T4133] 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. [ 60.794810][ T4133] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 60.799279][ T4133] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 60.801361][ T4133] 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. [ 60.808355][ T4133] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 60.873281][ T4133] device hsr_slave_0 entered promiscuous mode [ 60.911388][ T4133] device hsr_slave_1 entered promiscuous mode [ 60.951271][ T4133] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 60.953733][ T4133] Cannot create hsr debugfs directory [ 61.920312][ T9] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 62.602217][ T1972] Bluetooth: hci0: command 0x0409 tx timeout [ 64.497925][ T9] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 64.561065][ T9] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 64.671271][ T4086] Bluetooth: hci0: command 0x041b tx timeout [ 65.463319][ T4133] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 65.513620][ T4133] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 65.554766][ T4133] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 65.593514][ T4133] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 65.715489][ T4133] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.724867][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.727595][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.732947][ T4133] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.738612][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.741865][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.744841][ T337] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.746913][ T337] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.750088][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.757166][ T1669] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.759993][ T1669] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.764111][ T1669] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.766252][ T1669] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.773159][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.777886][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.786524][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.789842][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.793276][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.797640][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.800674][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.808172][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.811903][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.817759][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.820619][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.827044][ T4133] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.911614][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.913904][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.921507][ T4133] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.957564][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 65.963651][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 65.977468][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 65.980531][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 65.984946][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 65.987588][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 65.992535][ T4133] device veth0_vlan entered promiscuous mode [ 65.999615][ T4133] device veth1_vlan entered promiscuous mode [ 66.018407][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 66.024492][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 66.027120][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 66.029835][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 66.035887][ T4133] device veth0_macvtap entered promiscuous mode [ 66.040513][ T4133] device veth1_macvtap entered promiscuous mode [ 66.051159][ T4133] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 66.054358][ T4133] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 66.058343][ T4133] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 66.060600][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 66.064634][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 66.067341][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 66.070144][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 66.074958][ T4133] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 66.077903][ T4133] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 66.085471][ T4133] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 66.088138][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 66.091575][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 66.096611][ T4133] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.098975][ T4133] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.102393][ T4133] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.104898][ T4133] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.146463][ T337] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 66.148781][ T337] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 66.153130][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 66.194304][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 66.196782][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 66.199920][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 66.398255][ T4185] [ 66.398942][ T4185] ====================================================== [ 66.400986][ T4185] WARNING: possible circular locking dependency detected [ 66.403028][ T4185] 5.15.187-syzkaller #0 Not tainted [ 66.404507][ T4185] ------------------------------------------------------ [ 66.406480][ T4185] syz.0.16/4185 is trying to acquire lock: [ 66.408105][ T4185] ffff0000cf818c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xcc/0x1bc [ 66.411257][ T4185] [ 66.411257][ T4185] but task is already holding lock: [ 66.413363][ T4185] ffff80001652d068 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x238/0x5cc [ 66.416040][ T4185] [ 66.416040][ T4185] which lock already depends on the new lock. [ 66.416040][ T4185] [ 66.418978][ T4185] [ 66.418978][ T4185] the existing dependency chain (in reverse order) is: [ 66.421476][ T4185] [ 66.421476][ T4185] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 66.423610][ T4185] __mutex_lock_common+0x194/0x1edc [ 66.425163][ T4185] mutex_lock_nested+0xac/0x11c [ 66.426670][ T4185] rfkill_register+0x44/0x77c [ 66.428131][ T4185] hci_register_dev+0x3d8/0x854 [ 66.429692][ T4185] vhci_create_device+0x2bc/0x564 [ 66.431173][ T4185] vhci_write+0x30c/0x3ac [ 66.432533][ T4185] vfs_write+0x7c8/0xa2c [ 66.433895][ T4185] ksys_write+0x120/0x210 [ 66.435263][ T4185] __arm64_sys_write+0x7c/0x90 [ 66.436687][ T4185] invoke_syscall+0x98/0x2b8 [ 66.438121][ T4185] el0_svc_common+0x138/0x258 [ 66.439562][ T4185] do_el0_svc+0x58/0x14c [ 66.440873][ T4185] el0_svc+0x78/0x1e0 [ 66.442139][ T4185] el0t_64_sync_handler+0xcc/0xe4 [ 66.443750][ T4185] el0t_64_sync+0x1a0/0x1a4 [ 66.445155][ T4185] [ 66.445155][ T4185] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 66.447442][ T4185] __mutex_lock_common+0x194/0x1edc [ 66.449060][ T4185] mutex_lock_nested+0xac/0x11c [ 66.450587][ T4185] vhci_send_frame+0x88/0x118 [ 66.452080][ T4185] hci_send_frame+0x194/0x2f0 [ 66.453600][ T4185] hci_tx_work+0x7e4/0x1394 [ 66.455000][ T4185] process_one_work+0x79c/0x1140 [ 66.456510][ T4185] worker_thread+0x8f4/0x101c [ 66.457992][ T4185] kthread+0x374/0x454 [ 66.459298][ T4185] ret_from_fork+0x10/0x20 [ 66.460656][ T4185] [ 66.460656][ T4185] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 66.463236][ T4185] __flush_work+0xf4/0x1bc [ 66.464611][ T4185] flush_work+0x24/0x38 [ 66.465905][ T4185] hci_dev_do_close+0x164/0x105c [ 66.467483][ T4185] hci_unregister_dev+0x23c/0x4c0 [ 66.469039][ T4185] vhci_release+0x74/0xc4 [ 66.470491][ T4185] __fput+0x1c0/0x7f8 [ 66.471721][ T4185] ____fput+0x20/0x30 [ 66.472981][ T4185] task_work_run+0x12c/0x1e0 [ 66.474352][ T4185] do_exit+0x684/0x1f58 [ 66.475692][ T4185] do_group_exit+0x100/0x268 [ 66.477096][ T4185] get_signal+0x73c/0x1340 [ 66.478516][ T4185] do_notify_resume+0x35c/0x3128 [ 66.479999][ T4185] el0_svc+0xf0/0x1e0 [ 66.481248][ T4185] el0t_64_sync_handler+0xcc/0xe4 [ 66.482849][ T4185] el0t_64_sync+0x1a0/0x1a4 [ 66.484235][ T4185] [ 66.484235][ T4185] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 66.486409][ T4185] __mutex_lock_common+0x194/0x1edc [ 66.487993][ T4185] mutex_lock_nested+0xac/0x11c [ 66.489548][ T4185] bg_scan_update+0x48/0x3d0 [ 66.491038][ T4185] process_one_work+0x79c/0x1140 [ 66.492553][ T4185] worker_thread+0x8f4/0x101c [ 66.494132][ T4185] kthread+0x374/0x454 [ 66.495447][ T4185] ret_from_fork+0x10/0x20 [ 66.496835][ T4185] [ 66.496835][ T4185] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 66.499548][ T4185] __lock_acquire+0x2928/0x651c [ 66.501293][ T4185] lock_acquire+0x1f4/0x620 [ 66.502708][ T4185] __flush_work+0xf4/0x1bc [ 66.504082][ T4185] __cancel_work_timer+0x2ec/0x448 [ 66.505655][ T4185] cancel_work_sync+0x24/0x38 [ 66.507135][ T4185] hci_request_cancel_all+0xbc/0x2d0 [ 66.508756][ T4185] hci_dev_do_close+0x54/0x105c [ 66.510294][ T4185] hci_rfkill_set_block+0xdc/0x1d0 [ 66.511841][ T4185] rfkill_set_block+0x18c/0x374 [ 66.513363][ T4185] rfkill_fop_write+0x4a4/0x5cc [ 66.514909][ T4185] do_iter_write+0x348/0x670 [ 66.516380][ T4185] do_writev+0x1e0/0x380 [ 66.517701][ T4185] __arm64_sys_writev+0x80/0x94 [ 66.519175][ T4185] invoke_syscall+0x98/0x2b8 [ 66.520603][ T4185] el0_svc_common+0x138/0x258 [ 66.522084][ T4185] do_el0_svc+0x58/0x14c [ 66.523468][ T4185] el0_svc+0x78/0x1e0 [ 66.524704][ T4185] el0t_64_sync_handler+0xcc/0xe4 [ 66.526285][ T4185] el0t_64_sync+0x1a0/0x1a4 [ 66.527652][ T4185] [ 66.527652][ T4185] other info that might help us debug this: [ 66.527652][ T4185] [ 66.530545][ T4185] Chain exists of: [ 66.530545][ T4185] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 66.530545][ T4185] [ 66.534811][ T4185] Possible unsafe locking scenario: [ 66.534811][ T4185] [ 66.536918][ T4185] CPU0 CPU1 [ 66.538454][ T4185] ---- ---- [ 66.540029][ T4185] lock(rfkill_global_mutex); [ 66.541430][ T4185] lock(&data->open_mutex); [ 66.543484][ T4185] lock(rfkill_global_mutex); [ 66.545499][ T4185] lock((work_completion)(&hdev->bg_scan_update)); [ 66.547399][ T4185] [ 66.547399][ T4185] *** DEADLOCK *** [ 66.547399][ T4185] [ 66.549791][ T4185] 1 lock held by syz.0.16/4185: [ 66.551127][ T4185] #0: ffff80001652d068 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x238/0x5cc [ 66.554048][ T4185] [ 66.554048][ T4185] stack backtrace: [ 66.555692][ T4185] CPU: 0 PID: 4185 Comm: syz.0.16 Not tainted 5.15.187-syzkaller #0 [ 66.557917][ T4185] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 66.560725][ T4185] Call trace: [ 66.561580][ T4185] dump_backtrace+0x0/0x43c [ 66.562795][ T4185] show_stack+0x2c/0x3c [ 66.563931][ T4185] __dump_stack+0x30/0x40 [ 66.565098][ T4185] dump_stack_lvl+0xf8/0x160 [ 66.566424][ T4185] dump_stack+0x1c/0x5c [ 66.567569][ T4185] print_circular_bug+0x148/0x1b0 [ 66.568982][ T4185] check_noncircular+0x240/0x2d4 [ 66.570367][ T4185] __lock_acquire+0x2928/0x651c [ 66.571658][ T4185] lock_acquire+0x1f4/0x620 [ 66.572941][ T4185] __flush_work+0xf4/0x1bc [ 66.574205][ T4185] __cancel_work_timer+0x2ec/0x448 [ 66.575581][ T4185] cancel_work_sync+0x24/0x38 [ 66.576903][ T4185] hci_request_cancel_all+0xbc/0x2d0 [ 66.578363][ T4185] hci_dev_do_close+0x54/0x105c [ 66.579689][ T4185] hci_rfkill_set_block+0xdc/0x1d0 [ 66.581053][ T4185] rfkill_set_block+0x18c/0x374 [ 66.582386][ T4185] rfkill_fop_write+0x4a4/0x5cc [ 66.583765][ T4185] do_iter_write+0x348/0x670 [ 66.585059][ T4185] do_writev+0x1e0/0x380 [ 66.586248][ T4185] __arm64_sys_writev+0x80/0x94 [ 66.587583][ T4185] invoke_syscall+0x98/0x2b8 [ 66.588956][ T4185] el0_svc_common+0x138/0x258 [ 66.590299][ T4185] do_el0_svc+0x58/0x14c [ 66.591513][ T4185] el0_svc+0x78/0x1e0 [ 66.592591][ T4185] el0t_64_sync_handler+0xcc/0xe4 [ 66.594040][ T4185] el0t_64_sync+0x1a0/0x1a4