Warning: Permanently added '10.128.0.232' (ED25519) to the list of known hosts. 1970/01/01 00:00:46 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:00:46 parsed 1 programs [ 49.104357][ T4030] cgroup: Unknown subsys name 'net' [ 49.422321][ T4030] cgroup: Unknown subsys name 'rlimit' [ 49.782097][ T4030] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 57.073419][ T4066] chnl_net:caif_netlink_parms(): no params data found [ 57.114259][ T4066] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.115736][ T4066] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.118293][ T4066] device bridge_slave_0 entered promiscuous mode [ 57.122292][ T4066] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.123715][ T4066] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.125644][ T4066] device bridge_slave_1 entered promiscuous mode [ 57.145172][ T4066] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.148894][ T4066] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.163081][ T4066] team0: Port device team_slave_0 added [ 57.165851][ T4066] team0: Port device team_slave_1 added [ 57.183740][ T4066] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 57.185108][ T4066] 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. [ 57.190393][ T4066] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 57.194174][ T4066] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 57.195521][ T4066] 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. [ 57.200907][ T4066] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 57.258673][ T4066] device hsr_slave_0 entered promiscuous mode [ 57.306548][ T4066] device hsr_slave_1 entered promiscuous mode [ 57.469266][ T4066] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 57.508981][ T4066] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 57.549825][ T4066] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 57.619627][ T4066] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 57.675930][ T4066] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.677525][ T4066] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.679422][ T4066] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.680871][ T4066] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.729677][ T4066] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.737068][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.740864][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.743937][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.748539][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 57.757121][ T4066] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.770372][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.772551][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.773862][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.775692][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.779219][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.780659][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.790226][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 57.792913][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 57.799732][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 57.812025][ T4066] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 57.814258][ T4066] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 57.820618][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 57.823344][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 57.825543][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 57.900237][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 57.901975][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 57.909797][ T4066] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 57.924735][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 57.940969][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 57.943218][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 57.945158][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 57.952313][ T4066] device veth0_vlan entered promiscuous mode [ 57.961796][ T4066] device veth1_vlan entered promiscuous mode [ 57.980319][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 57.982356][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 57.984683][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 57.990912][ T4066] device veth0_macvtap entered promiscuous mode [ 57.994993][ T4066] device veth1_macvtap entered promiscuous mode [ 58.009199][ T4066] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 58.010848][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 58.013523][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 58.022407][ T4066] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 58.024229][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 58.029869][ T4066] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.031730][ T4066] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.033541][ T4066] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.035253][ T4066] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.844536][ T1630] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 61.343561][ T1630] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 63.631914][ T1630] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 63.704705][ T1630] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 64.055131][ T1819] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.064749][ T1819] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.079433][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 64.084204][ T1819] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.087126][ T1819] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.089977][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:01:04 executed programs: 0 [ 64.975802][ T4161] chnl_net:caif_netlink_parms(): no params data found [ 65.023111][ T4161] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.024569][ T4161] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.028568][ T4161] device bridge_slave_0 entered promiscuous mode [ 65.031936][ T4161] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.033454][ T4161] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.035646][ T4161] device bridge_slave_1 entered promiscuous mode [ 65.055081][ T4161] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.060573][ T4161] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.079300][ T4161] team0: Port device team_slave_0 added [ 65.082266][ T4161] team0: Port device team_slave_1 added [ 65.098893][ T4161] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 65.100311][ T4161] 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. [ 65.105336][ T4161] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 65.110666][ T4161] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 65.112126][ T4161] 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. [ 65.119150][ T4161] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 65.188874][ T4161] device hsr_slave_0 entered promiscuous mode [ 65.236518][ T4161] device hsr_slave_1 entered promiscuous mode [ 65.286297][ T4161] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.287986][ T4161] Cannot create hsr debugfs directory [ 65.991591][ T4161] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 66.021157][ T4161] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 66.082086][ T4161] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 66.118554][ T4161] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 66.228406][ T4161] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.234834][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.237833][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.242490][ T4161] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.248512][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.250644][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.252525][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.253908][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.256005][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.264829][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.268918][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.271224][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.272753][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.274552][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.283381][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.288185][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.290906][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.301016][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.303503][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.306031][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.309624][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.311637][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.313590][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.315687][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.319735][ T4161] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.413441][ T304] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.415039][ T304] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.421472][ T4161] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.435181][ T304] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 66.439392][ T304] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 66.452509][ T304] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 66.454845][ T304] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 66.461417][ T304] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 66.463731][ T304] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 66.467935][ T4161] device veth0_vlan entered promiscuous mode [ 66.473972][ T4161] device veth1_vlan entered promiscuous mode [ 66.506657][ T304] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 66.508797][ T304] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 66.511248][ T304] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 66.513405][ T304] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 66.517389][ T4161] device veth0_macvtap entered promiscuous mode [ 66.521712][ T4161] device veth1_macvtap entered promiscuous mode [ 66.535551][ T4161] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 66.538692][ T4161] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 66.541602][ T4161] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 66.543495][ T304] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 66.545478][ T304] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 66.550940][ T304] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 66.553099][ T304] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 66.558663][ T4161] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 66.560769][ T4161] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 66.563600][ T4161] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 66.565192][ T304] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 66.568316][ T304] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 66.579520][ T4161] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.581399][ T4161] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.583161][ T4161] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.584987][ T4161] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.630115][ T304] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 66.631734][ T304] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 66.633996][ T304] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 66.679247][ T304] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 66.680984][ T304] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 66.683433][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 66.831185][ T4250] [ 66.831652][ T4250] ====================================================== [ 66.833020][ T4250] WARNING: possible circular locking dependency detected [ 66.834364][ T4250] 5.15.173-syzkaller #0 Not tainted [ 66.835458][ T4250] ------------------------------------------------------ [ 66.836813][ T4250] syz.0.15/4250 is trying to acquire lock: [ 66.837923][ T4250] ffff0000dc954c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xd0/0x1c0 [ 66.840178][ T4250] [ 66.840178][ T4250] but task is already holding lock: [ 66.841536][ T4250] ffff800016f25fe8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 66.843477][ T4250] [ 66.843477][ T4250] which lock already depends on the new lock. [ 66.843477][ T4250] [ 66.845588][ T4250] [ 66.845588][ T4250] the existing dependency chain (in reverse order) is: [ 66.847414][ T4250] [ 66.847414][ T4250] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 66.849039][ T4250] __mutex_lock_common+0x194/0x2154 [ 66.850261][ T4250] mutex_lock_nested+0xa4/0xf8 [ 66.851298][ T4250] rfkill_register+0x44/0x7a4 [ 66.852307][ T4250] hci_register_dev+0x3e0/0x880 [ 66.853425][ T4250] vhci_create_device+0x2c4/0x568 [ 66.854541][ T4250] vhci_write+0x318/0x3b8 [ 66.855414][ T4250] vfs_write+0x884/0xb44 [ 66.856456][ T4250] ksys_write+0x15c/0x26c [ 66.857481][ T4250] __arm64_sys_write+0x7c/0x90 [ 66.858529][ T4250] invoke_syscall+0x98/0x2b8 [ 66.859566][ T4250] el0_svc_common+0x138/0x258 [ 66.860645][ T4250] do_el0_svc+0x58/0x14c [ 66.861571][ T4250] el0_svc+0x7c/0x1f0 [ 66.862484][ T4250] el0t_64_sync_handler+0x84/0xe4 [ 66.863584][ T4250] el0t_64_sync+0x1a0/0x1a4 [ 66.864647][ T4250] [ 66.864647][ T4250] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 66.866315][ T4250] __mutex_lock_common+0x194/0x2154 [ 66.867510][ T4250] mutex_lock_nested+0xa4/0xf8 [ 66.868580][ T4250] vhci_send_frame+0x8c/0x10c [ 66.869675][ T4250] hci_send_frame+0x194/0x2f0 [ 66.870717][ T4250] hci_tx_work+0x9ac/0x16cc [ 66.871821][ T4250] process_one_work+0x790/0x11b8 [ 66.872929][ T4250] worker_thread+0x910/0x1034 [ 66.873968][ T4250] kthread+0x37c/0x45c [ 66.874897][ T4250] ret_from_fork+0x10/0x20 [ 66.875817][ T4250] [ 66.875817][ T4250] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 66.877735][ T4250] __flush_work+0xf8/0x1c0 [ 66.878870][ T4250] flush_work+0x24/0x38 [ 66.879771][ T4250] hci_dev_do_close+0x16c/0x1060 [ 66.880914][ T4250] hci_unregister_dev+0x248/0x4d4 [ 66.881988][ T4250] vhci_release+0x74/0xc4 [ 66.883146][ T4250] __fput+0x1c4/0x800 [ 66.884167][ T4250] ____fput+0x20/0x30 [ 66.885198][ T4250] task_work_run+0x130/0x1e4 [ 66.886231][ T4250] do_exit+0x670/0x20bc [ 66.887174][ T4250] do_group_exit+0x110/0x268 [ 66.888273][ T4250] get_signal+0x634/0x1550 [ 66.889322][ T4250] do_notify_resume+0x3d0/0x32b8 [ 66.890483][ T4250] el0_svc+0xfc/0x1f0 [ 66.891431][ T4250] el0t_64_sync_handler+0x84/0xe4 [ 66.892535][ T4250] el0t_64_sync+0x1a0/0x1a4 [ 66.893478][ T4250] [ 66.893478][ T4250] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 66.894933][ T4250] __mutex_lock_common+0x194/0x2154 [ 66.896149][ T4250] mutex_lock_nested+0xa4/0xf8 [ 66.897266][ T4250] bg_scan_update+0x9c/0x470 [ 66.898308][ T4250] process_one_work+0x790/0x11b8 [ 66.899411][ T4250] worker_thread+0x910/0x1034 [ 66.900472][ T4250] kthread+0x37c/0x45c [ 66.901491][ T4250] ret_from_fork+0x10/0x20 [ 66.902564][ T4250] [ 66.902564][ T4250] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 66.904629][ T4250] __lock_acquire+0x32d4/0x7638 [ 66.905800][ T4250] lock_acquire+0x240/0x77c [ 66.906800][ T4250] __flush_work+0xf8/0x1c0 [ 66.907830][ T4250] __cancel_work_timer+0x3ec/0x548 [ 66.908975][ T4250] cancel_work_sync+0x24/0x38 [ 66.910026][ T4250] hci_request_cancel_all+0xcc/0x2d0 [ 66.911159][ T4250] hci_dev_do_close+0x54/0x1060 [ 66.912320][ T4250] hci_rfkill_set_block+0xdc/0x1d0 [ 66.913434][ T4250] rfkill_set_block+0x18c/0x37c [ 66.914581][ T4250] rfkill_fop_write+0x594/0x750 [ 66.915629][ T4250] vfs_write+0x280/0xb44 [ 66.916599][ T4250] ksys_write+0x15c/0x26c [ 66.917563][ T4250] __arm64_sys_write+0x7c/0x90 [ 66.918641][ T4250] invoke_syscall+0x98/0x2b8 [ 66.919701][ T4250] el0_svc_common+0x138/0x258 [ 66.920770][ T4250] do_el0_svc+0x58/0x14c [ 66.921783][ T4250] el0_svc+0x7c/0x1f0 [ 66.922758][ T4250] el0t_64_sync_handler+0x84/0xe4 [ 66.923981][ T4250] el0t_64_sync+0x1a0/0x1a4 [ 66.925008][ T4250] [ 66.925008][ T4250] other info that might help us debug this: [ 66.925008][ T4250] [ 66.927196][ T4250] Chain exists of: [ 66.927196][ T4250] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 66.927196][ T4250] [ 66.930231][ T4250] Possible unsafe locking scenario: [ 66.930231][ T4250] [ 66.931819][ T4250] CPU0 CPU1 [ 66.933038][ T4250] ---- ---- [ 66.934129][ T4250] lock(rfkill_global_mutex); [ 66.934996][ T4250] lock(&data->open_mutex); [ 66.936357][ T4250] lock(rfkill_global_mutex); [ 66.937815][ T4250] lock((work_completion)(&hdev->bg_scan_update)); [ 66.939247][ T4250] [ 66.939247][ T4250] *** DEADLOCK *** [ 66.939247][ T4250] [ 66.941036][ T4250] 1 lock held by syz.0.15/4250: [ 66.941984][ T4250] #0: ffff800016f25fe8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 66.944127][ T4250] [ 66.944127][ T4250] stack backtrace: [ 66.945317][ T4250] CPU: 1 PID: 4250 Comm: syz.0.15 Not tainted 5.15.173-syzkaller #0 [ 66.946915][ T4250] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 66.948966][ T4250] Call trace: [ 66.949580][ T4250] dump_backtrace+0x0/0x530 [ 66.950558][ T4250] show_stack+0x2c/0x3c [ 66.951352][ T4250] dump_stack_lvl+0x108/0x170 [ 66.952389][ T4250] dump_stack+0x1c/0x58 [ 66.953219][ T4250] print_circular_bug+0x150/0x1b8 [ 66.954175][ T4250] check_noncircular+0x2cc/0x378 [ 66.955107][ T4250] __lock_acquire+0x32d4/0x7638 [ 66.956120][ T4250] lock_acquire+0x240/0x77c [ 66.957036][ T4250] __flush_work+0xf8/0x1c0 [ 66.958004][ T4250] __cancel_work_timer+0x3ec/0x548 [ 66.958957][ T4250] cancel_work_sync+0x24/0x38 [ 66.959860][ T4250] hci_request_cancel_all+0xcc/0x2d0 [ 66.960868][ T4250] hci_dev_do_close+0x54/0x1060 [ 66.961764][ T4250] hci_rfkill_set_block+0xdc/0x1d0 [ 66.962750][ T4250] rfkill_set_block+0x18c/0x37c [ 66.963874][ T4250] rfkill_fop_write+0x594/0x750 [ 66.964799][ T4250] vfs_write+0x280/0xb44 [ 66.965658][ T4250] ksys_write+0x15c/0x26c [ 66.966619][ T4250] __arm64_sys_write+0x7c/0x90 [ 66.967618][ T4250] invoke_syscall+0x98/0x2b8 [ 66.968594][ T4250] el0_svc_common+0x138/0x258 [ 66.969489][ T4250] do_el0_svc+0x58/0x14c [ 66.970357][ T4250] el0_svc+0x7c/0x1f0 [ 66.971107][ T4250] el0t_64_sync_handler+0x84/0xe4 [ 66.972178][ T4250] el0t_64_sync+0x1a0/0x1a4 [ 66.974625][ T4108] Bluetooth: hci0: command 0x0409 tx timeout [ 67.420855][ T1630] device hsr_slave_0 left promiscuous mode