Warning: Permanently added '10.128.1.240' (ED25519) to the list of known hosts. 1970/01/01 00:00:44 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:00:45 parsed 1 programs [ 48.452385][ T4040] cgroup: Unknown subsys name 'net' [ 48.725941][ T4040] cgroup: Unknown subsys name 'rlimit' [ 49.075494][ T4040] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 56.690587][ T4071] chnl_net:caif_netlink_parms(): no params data found [ 56.731245][ T4071] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.733244][ T4071] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.735905][ T4071] device bridge_slave_0 entered promiscuous mode [ 56.741620][ T4071] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.743529][ T4071] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.746013][ T4071] device bridge_slave_1 entered promiscuous mode [ 56.767123][ T4071] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.771906][ T4071] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.789200][ T4071] team0: Port device team_slave_0 added [ 56.792513][ T4071] team0: Port device team_slave_1 added [ 56.808933][ T4071] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 56.810841][ T4071] 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. [ 56.817531][ T4071] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 56.822771][ T4071] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 56.824596][ T4071] 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. [ 56.831868][ T4071] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 56.890707][ T4071] device hsr_slave_0 entered promiscuous mode [ 56.928426][ T4071] device hsr_slave_1 entered promiscuous mode [ 57.106060][ T4071] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 57.162616][ T4071] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 57.230612][ T4071] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 57.270614][ T4071] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 57.328084][ T4071] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.330194][ T4071] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.332571][ T4071] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.334487][ T4071] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.385441][ T4071] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.393711][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.398160][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.405881][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.409558][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 57.417505][ T4071] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.426696][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.431247][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.433192][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.443075][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.446594][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.448776][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.466569][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 57.480535][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 57.483334][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 57.486058][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 57.494226][ T4071] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 57.497795][ T4071] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 57.503768][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 57.601597][ T4071] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 57.603842][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 57.605927][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 57.623929][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 57.641837][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 57.645094][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 57.647549][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 57.654580][ T4071] device veth0_vlan entered promiscuous mode [ 57.664375][ T4071] device veth1_vlan entered promiscuous mode [ 57.684911][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 57.687732][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 57.694565][ T4071] device veth0_macvtap entered promiscuous mode [ 57.701615][ T4071] device veth1_macvtap entered promiscuous mode [ 57.715798][ T4071] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 57.718191][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 57.720709][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 57.723098][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 57.725738][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 57.735637][ T4071] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 57.738155][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 57.740929][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 57.745797][ T4071] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.749270][ T4071] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.751691][ T4071] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.754083][ T4071] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.468773][ T1698] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 60.506566][ T1698] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 62.754604][ T1698] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 62.797581][ T1698] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 63.586369][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 63.590070][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 63.593051][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 63.614313][ T153] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 63.616580][ T153] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 63.621612][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:01:04 executed programs: 0 [ 64.338808][ T4193] chnl_net:caif_netlink_parms(): no params data found [ 64.385548][ T4193] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.387540][ T4193] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.390532][ T4193] device bridge_slave_0 entered promiscuous mode [ 64.394310][ T4193] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.396249][ T4193] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.399446][ T4193] device bridge_slave_1 entered promiscuous mode [ 64.437588][ T4193] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.443190][ T4193] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.465818][ T4193] team0: Port device team_slave_0 added [ 64.470114][ T4193] team0: Port device team_slave_1 added [ 64.486900][ T4193] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 64.489052][ T4193] 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. [ 64.496168][ T4193] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 64.501464][ T4193] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 64.503373][ T4193] 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. [ 64.510954][ T4193] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 64.600361][ T4193] device hsr_slave_0 entered promiscuous mode [ 64.638434][ T4193] device hsr_slave_1 entered promiscuous mode [ 64.678287][ T4193] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 64.680545][ T4193] Cannot create hsr debugfs directory [ 65.321124][ T4193] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 65.380323][ T4193] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 65.420778][ T4193] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 65.462227][ T4193] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 65.592436][ T4193] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.602156][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.604791][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.610309][ T4193] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.620210][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.624451][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.627479][ T153] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.629481][ T153] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.632922][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.635773][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.641968][ T153] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.643914][ T153] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.665408][ T4193] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 65.670851][ T4193] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 65.674868][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.678731][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.682082][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.685083][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.689442][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.692263][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.696568][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.701494][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.704251][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.707240][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.713564][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.722407][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.725537][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.815149][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.817358][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.824629][ T4193] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.839170][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 65.842043][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 65.857419][ T1698] device hsr_slave_0 left promiscuous mode [ 65.890026][ T1698] device hsr_slave_1 left promiscuous mode [ 65.971471][ T1698] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 65.973566][ T1698] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 65.977808][ T1698] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 65.980837][ T1698] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 65.984455][ T1698] device bridge_slave_1 left promiscuous mode [ 65.987013][ T1698] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.021593][ T1698] device bridge_slave_0 left promiscuous mode [ 66.023389][ T1698] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.138635][ T1698] device veth1_macvtap left promiscuous mode [ 66.140579][ T1698] device veth0_macvtap left promiscuous mode [ 66.142379][ T1698] device veth1_vlan left promiscuous mode [ 66.144294][ T1698] device veth0_vlan left promiscuous mode [ 66.268559][ T21] Bluetooth: hci0: command 0x0409 tx timeout [ 66.371411][ T1698] team0 (unregistering): Port device team_slave_1 removed [ 66.384555][ T1698] team0 (unregistering): Port device team_slave_0 removed [ 66.393964][ T1698] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 66.427238][ T1698] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 66.569479][ T1698] bond0 (unregistering): Released all slaves [ 66.695157][ T4193] device veth0_vlan entered promiscuous mode [ 66.702127][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 66.705046][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 66.712516][ T4193] device veth1_vlan entered promiscuous mode [ 66.718961][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 66.721602][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 66.724223][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 66.726901][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 66.754993][ T4193] device veth0_macvtap entered promiscuous mode [ 66.757844][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 66.761226][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 66.768666][ T4193] device veth1_macvtap entered promiscuous mode [ 66.780365][ T4193] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 66.782800][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 66.785442][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 66.791927][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 66.797269][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 66.804524][ T4193] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 66.809429][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 66.812837][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 66.816430][ T4193] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.819443][ T4193] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.821837][ T4193] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.824167][ T4193] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.887018][ T153] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 66.891512][ T153] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 66.894622][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 66.918840][ T153] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 66.921027][ T153] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 66.924147][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 67.119074][ T4302] [ 67.119796][ T4302] ====================================================== [ 67.121609][ T4302] WARNING: possible circular locking dependency detected [ 67.123463][ T4302] 5.15.187-syzkaller #0 Not tainted [ 67.124804][ T4302] ------------------------------------------------------ [ 67.126596][ T4302] syz.0.16/4302 is trying to acquire lock: [ 67.128127][ T4302] ffff0000dc084c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xcc/0x1bc [ 67.131178][ T4302] [ 67.131178][ T4302] but task is already holding lock: [ 67.133148][ T4302] ffff80001652d068 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x238/0x5cc [ 67.135780][ T4302] [ 67.135780][ T4302] which lock already depends on the new lock. [ 67.135780][ T4302] [ 67.138631][ T4302] [ 67.138631][ T4302] the existing dependency chain (in reverse order) is: [ 67.141076][ T4302] [ 67.141076][ T4302] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 67.143266][ T4302] __mutex_lock_common+0x194/0x1edc [ 67.144831][ T4302] mutex_lock_nested+0xac/0x11c [ 67.146254][ T4302] rfkill_register+0x44/0x77c [ 67.147676][ T4302] hci_register_dev+0x3d8/0x854 [ 67.149168][ T4302] vhci_create_device+0x2bc/0x564 [ 67.150834][ T4302] vhci_write+0x30c/0x3ac [ 67.152219][ T4302] vfs_write+0x7c8/0xa2c [ 67.153519][ T4302] ksys_write+0x120/0x210 [ 67.154895][ T4302] __arm64_sys_write+0x7c/0x90 [ 67.156447][ T4302] invoke_syscall+0x98/0x2b8 [ 67.157902][ T4302] el0_svc_common+0x138/0x258 [ 67.159366][ T4302] do_el0_svc+0x58/0x14c [ 67.160717][ T4302] el0_svc+0x78/0x1e0 [ 67.161991][ T4302] el0t_64_sync_handler+0xcc/0xe4 [ 67.163569][ T4302] el0t_64_sync+0x1a0/0x1a4 [ 67.165077][ T4302] [ 67.165077][ T4302] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 67.167290][ T4302] __mutex_lock_common+0x194/0x1edc [ 67.169296][ T4302] mutex_lock_nested+0xac/0x11c [ 67.170718][ T4302] vhci_send_frame+0x88/0x118 [ 67.172241][ T4302] hci_send_frame+0x194/0x2f0 [ 67.173697][ T4302] hci_tx_work+0x7e4/0x1394 [ 67.175086][ T4302] process_one_work+0x79c/0x1140 [ 67.176672][ T4302] worker_thread+0x8f4/0x101c [ 67.178166][ T4302] kthread+0x374/0x454 [ 67.179441][ T4302] ret_from_fork+0x10/0x20 [ 67.180787][ T4302] [ 67.180787][ T4302] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 67.183356][ T4302] __flush_work+0xf4/0x1bc [ 67.184701][ T4302] flush_work+0x24/0x38 [ 67.185997][ T4302] hci_dev_do_close+0x164/0x105c [ 67.187585][ T4302] hci_unregister_dev+0x23c/0x4c0 [ 67.189168][ T4302] vhci_release+0x74/0xc4 [ 67.190537][ T4302] __fput+0x1c0/0x7f8 [ 67.191843][ T4302] ____fput+0x20/0x30 [ 67.193131][ T4302] task_work_run+0x12c/0x1e0 [ 67.194574][ T4302] do_exit+0x684/0x1f58 [ 67.195909][ T4302] do_group_exit+0x100/0x268 [ 67.197311][ T4302] get_signal+0x73c/0x1340 [ 67.198681][ T4302] do_notify_resume+0x35c/0x3128 [ 67.200194][ T4302] el0_svc+0xf0/0x1e0 [ 67.201488][ T4302] el0t_64_sync_handler+0xcc/0xe4 [ 67.203041][ T4302] el0t_64_sync+0x1a0/0x1a4 [ 67.204475][ T4302] [ 67.204475][ T4302] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 67.206631][ T4302] __mutex_lock_common+0x194/0x1edc [ 67.208210][ T4302] mutex_lock_nested+0xac/0x11c [ 67.209755][ T4302] bg_scan_update+0x48/0x3d0 [ 67.211206][ T4302] process_one_work+0x79c/0x1140 [ 67.212773][ T4302] worker_thread+0x8f4/0x101c [ 67.214310][ T4302] kthread+0x374/0x454 [ 67.215635][ T4302] ret_from_fork+0x10/0x20 [ 67.217032][ T4302] [ 67.217032][ T4302] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 67.219794][ T4302] __lock_acquire+0x2928/0x651c [ 67.221207][ T4302] lock_acquire+0x1f4/0x620 [ 67.222565][ T4302] __flush_work+0xf4/0x1bc [ 67.224014][ T4302] __cancel_work_timer+0x2ec/0x448 [ 67.225658][ T4302] cancel_work_sync+0x24/0x38 [ 67.227038][ T4302] hci_request_cancel_all+0xbc/0x2d0 [ 67.228743][ T4302] hci_dev_do_close+0x54/0x105c [ 67.230256][ T4302] hci_rfkill_set_block+0xdc/0x1d0 [ 67.231834][ T4302] rfkill_set_block+0x18c/0x374 [ 67.233308][ T4302] rfkill_fop_write+0x4a4/0x5cc [ 67.234785][ T4302] do_iter_write+0x348/0x670 [ 67.236247][ T4302] do_writev+0x1e0/0x380 [ 67.237579][ T4302] __arm64_sys_writev+0x80/0x94 [ 67.239050][ T4302] invoke_syscall+0x98/0x2b8 [ 67.240510][ T4302] el0_svc_common+0x138/0x258 [ 67.241983][ T4302] do_el0_svc+0x58/0x14c [ 67.243318][ T4302] el0_svc+0x78/0x1e0 [ 67.244596][ T4302] el0t_64_sync_handler+0xcc/0xe4 [ 67.246133][ T4302] el0t_64_sync+0x1a0/0x1a4 [ 67.247532][ T4302] [ 67.247532][ T4302] other info that might help us debug this: [ 67.247532][ T4302] [ 67.250396][ T4302] Chain exists of: [ 67.250396][ T4302] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 67.250396][ T4302] [ 67.254871][ T4302] Possible unsafe locking scenario: [ 67.254871][ T4302] [ 67.256953][ T4302] CPU0 CPU1 [ 67.258450][ T4302] ---- ---- [ 67.259934][ T4302] lock(rfkill_global_mutex); [ 67.261260][ T4302] lock(&data->open_mutex); [ 67.263262][ T4302] lock(rfkill_global_mutex); [ 67.265286][ T4302] lock((work_completion)(&hdev->bg_scan_update)); [ 67.267159][ T4302] [ 67.267159][ T4302] *** DEADLOCK *** [ 67.267159][ T4302] [ 67.269471][ T4302] 1 lock held by syz.0.16/4302: [ 67.270803][ T4302] #0: ffff80001652d068 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x238/0x5cc [ 67.273721][ T4302] [ 67.273721][ T4302] stack backtrace: [ 67.275420][ T4302] CPU: 1 PID: 4302 Comm: syz.0.16 Not tainted 5.15.187-syzkaller #0 [ 67.277640][ T4302] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 67.280483][ T4302] Call trace: [ 67.281392][ T4302] dump_backtrace+0x0/0x43c [ 67.282622][ T4302] show_stack+0x2c/0x3c [ 67.283809][ T4302] __dump_stack+0x30/0x40 [ 67.285042][ T4302] dump_stack_lvl+0xf8/0x160 [ 67.286334][ T4302] dump_stack+0x1c/0x5c [ 67.287489][ T4302] print_circular_bug+0x148/0x1b0 [ 67.288830][ T4302] check_noncircular+0x240/0x2d4 [ 67.290154][ T4302] __lock_acquire+0x2928/0x651c [ 67.291471][ T4302] lock_acquire+0x1f4/0x620 [ 67.292694][ T4302] __flush_work+0xf4/0x1bc [ 67.293892][ T4302] __cancel_work_timer+0x2ec/0x448 [ 67.295342][ T4302] cancel_work_sync+0x24/0x38 [ 67.296586][ T4302] hci_request_cancel_all+0xbc/0x2d0 [ 67.298043][ T4302] hci_dev_do_close+0x54/0x105c [ 67.299379][ T4302] hci_rfkill_set_block+0xdc/0x1d0 [ 67.300862][ T4302] rfkill_set_block+0x18c/0x374 [ 67.302180][ T4302] rfkill_fop_write+0x4a4/0x5cc [ 67.303505][ T4302] do_iter_write+0x348/0x670 [ 67.304784][ T4302] do_writev+0x1e0/0x380 [ 67.305950][ T4302] __arm64_sys_writev+0x80/0x94 [ 67.307338][ T4302] invoke_syscall+0x98/0x2b8 [ 67.308605][ T4302] el0_svc_common+0x138/0x258 [ 67.309884][ T4302] do_el0_svc+0x58/0x14c [ 67.311074][ T4302] el0_svc+0x78/0x1e0 [ 67.312192][ T4302] el0t_64_sync_handler+0xcc/0xe4 [ 67.313599][ T4302] el0t_64_sync+0x1a0/0x1a4