Warning: Permanently added '10.128.1.246' (ED25519) to the list of known hosts. 1970/01/01 00:00:47 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:00:48 parsed 1 programs [ 50.815653][ T4023] cgroup: Unknown subsys name 'net' [ 51.041567][ T4023] cgroup: Unknown subsys name 'rlimit' [ 51.424683][ T4023] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 58.784042][ T4048] chnl_net:caif_netlink_parms(): no params data found [ 58.827667][ T4048] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.829409][ T4048] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.831777][ T4048] device bridge_slave_0 entered promiscuous mode [ 58.836378][ T4048] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.838273][ T4048] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.840622][ T4048] device bridge_slave_1 entered promiscuous mode [ 58.856370][ T4048] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.863617][ T4048] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.878886][ T4048] team0: Port device team_slave_0 added [ 58.882177][ T4048] team0: Port device team_slave_1 added [ 58.894673][ T4048] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 58.896611][ T4048] 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. [ 58.902321][ T4048] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 58.907078][ T4048] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 58.908567][ T4048] 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. [ 58.913938][ T4048] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 58.977784][ T4048] device hsr_slave_0 entered promiscuous mode [ 59.035992][ T4048] device hsr_slave_1 entered promiscuous mode [ 59.163988][ T4048] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 59.197686][ T4048] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 59.248957][ T4048] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 59.290596][ T4048] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 59.345443][ T4048] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.347169][ T4048] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.349211][ T4048] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.350721][ T4048] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.451772][ T4048] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.459850][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.464155][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.468925][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.471656][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 59.481324][ T4048] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.490280][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.492809][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.494300][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.510640][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.513272][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.514900][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.520379][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.536179][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.538766][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.541018][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.543315][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.548597][ T4048] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.626113][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.627925][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.633424][ T4048] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.649657][ T591] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 59.664790][ T591] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 59.669566][ T591] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 59.671674][ T591] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 59.678274][ T4048] device veth0_vlan entered promiscuous mode [ 59.685395][ T4048] device veth1_vlan entered promiscuous mode [ 59.705333][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 59.708276][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 59.710508][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 59.715869][ T4048] device veth0_macvtap entered promiscuous mode [ 59.721425][ T4048] device veth1_macvtap entered promiscuous mode [ 59.733577][ T4048] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 59.735284][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 59.740899][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 59.746778][ T4048] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 59.750797][ T4048] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.753030][ T4048] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.754789][ T4048] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.757453][ T4048] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.761183][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 60.600823][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 60.602910][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 60.605741][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 60.624906][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 60.628724][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 60.631366][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 60.871607][ T477] ODEBUG: Out of memory. ODEBUG disabled [ 60.978211][ T477] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:01:01 executed programs: 0 [ 61.267954][ T4102] chnl_net:caif_netlink_parms(): no params data found [ 61.300095][ T4102] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.301691][ T4102] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.304199][ T4102] device bridge_slave_0 entered promiscuous mode [ 61.308807][ T4102] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.310347][ T4102] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.312652][ T4102] device bridge_slave_1 entered promiscuous mode [ 61.327491][ T4102] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.331349][ T4102] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.345162][ T4102] team0: Port device team_slave_0 added [ 61.348182][ T4102] team0: Port device team_slave_1 added [ 61.359246][ T4102] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 61.360786][ T4102] 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. [ 61.366792][ T4102] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 61.370356][ T4102] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 61.372052][ T4102] 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. [ 61.377647][ T4102] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 61.437417][ T4102] device hsr_slave_0 entered promiscuous mode [ 61.495960][ T4102] device hsr_slave_1 entered promiscuous mode [ 61.535838][ T4102] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 61.537765][ T4102] Cannot create hsr debugfs directory [ 63.216047][ T21] Bluetooth: hci0: command 0x0409 tx timeout [ 63.371725][ T477] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 64.901454][ T477] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 64.942968][ T477] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 65.309109][ T3605] Bluetooth: hci0: command 0x041b tx timeout [ 65.856197][ T4102] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 65.897340][ T4102] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 65.947899][ T4102] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 65.997383][ T4102] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 66.101112][ T4102] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.111072][ T4102] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.116543][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.118615][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.120701][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.122942][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.125119][ T148] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.126731][ T148] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.128746][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.132855][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.135093][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.137394][ T148] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.139266][ T148] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.143352][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.150498][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.188970][ T591] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.191655][ T591] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.194932][ T591] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.199844][ T591] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.202514][ T591] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.209212][ T591] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.211577][ T591] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.216129][ T591] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.218425][ T591] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.222231][ T4102] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.289498][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.291292][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.296765][ T4102] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.308973][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 66.311272][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 66.321176][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 66.323386][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 66.326655][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 66.328635][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 66.332283][ T4102] device veth0_vlan entered promiscuous mode [ 66.339343][ T4102] device veth1_vlan entered promiscuous mode [ 66.351389][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 66.353499][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 66.357056][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 66.359344][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 66.363559][ T4102] device veth0_macvtap entered promiscuous mode [ 66.368452][ T4102] device veth1_macvtap entered promiscuous mode [ 66.378582][ T4102] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 66.381385][ T4102] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 66.384421][ T4102] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 66.387569][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 66.389663][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 66.391847][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 66.394058][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 66.401093][ T4102] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 66.403389][ T4102] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 66.408342][ T4102] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 66.410538][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 66.412742][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 66.417524][ T4102] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.419420][ T4102] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.421160][ T4102] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.422963][ T4102] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.453040][ T591] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 66.454804][ T591] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 66.461946][ T591] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 66.469651][ T148] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 66.471402][ T148] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 66.473762][ T591] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 66.501477][ T4155] [ 66.502051][ T4155] ====================================================== [ 66.503625][ T4155] WARNING: possible circular locking dependency detected [ 66.505123][ T4155] 5.15.168-syzkaller #0 Not tainted [ 66.506209][ T4155] ------------------------------------------------------ [ 66.507661][ T4155] syz.0.15/4155 is trying to acquire lock: [ 66.508762][ T4155] ffff0000d15c0c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xd0/0x1c0 [ 66.511226][ T4155] [ 66.511226][ T4155] but task is already holding lock: [ 66.512874][ T4155] ffff800016e66e28 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 66.514916][ T4155] [ 66.514916][ T4155] which lock already depends on the new lock. [ 66.514916][ T4155] [ 66.517138][ T4155] [ 66.517138][ T4155] the existing dependency chain (in reverse order) is: [ 66.519134][ T4155] [ 66.519134][ T4155] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 66.520794][ T4155] __mutex_lock_common+0x194/0x2154 [ 66.522125][ T4155] mutex_lock_nested+0xa4/0xf8 [ 66.523292][ T4155] rfkill_register+0x44/0x7a4 [ 66.524419][ T4155] hci_register_dev+0x3e0/0x880 [ 66.525684][ T4155] vhci_create_device+0x2c4/0x568 [ 66.526909][ T4155] vhci_write+0x318/0x3b8 [ 66.527924][ T4155] vfs_write+0x884/0xb44 [ 66.529007][ T4155] ksys_write+0x15c/0x26c [ 66.530019][ T4155] __arm64_sys_write+0x7c/0x90 [ 66.531079][ T4155] invoke_syscall+0x98/0x2b8 [ 66.532335][ T4155] el0_svc_common+0x138/0x258 [ 66.533416][ T4155] do_el0_svc+0x58/0x14c [ 66.534397][ T4155] el0_svc+0x7c/0x1f0 [ 66.535420][ T4155] el0t_64_sync_handler+0x84/0xe4 [ 66.536740][ T4155] el0t_64_sync+0x1a0/0x1a4 [ 66.537723][ T4155] [ 66.537723][ T4155] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 66.539474][ T4155] __mutex_lock_common+0x194/0x2154 [ 66.540673][ T4155] mutex_lock_nested+0xa4/0xf8 [ 66.541930][ T4155] vhci_send_frame+0x8c/0x10c [ 66.543097][ T4155] hci_send_frame+0x194/0x2f0 [ 66.544197][ T4155] hci_tx_work+0x9ac/0x16cc [ 66.545308][ T4155] process_one_work+0x790/0x11b8 [ 66.546501][ T4155] worker_thread+0x910/0x1034 [ 66.547655][ T4155] kthread+0x37c/0x45c [ 66.548531][ T4155] ret_from_fork+0x10/0x20 [ 66.549603][ T4155] [ 66.549603][ T4155] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 66.551569][ T4155] __flush_work+0xf8/0x1c0 [ 66.552643][ T4155] flush_work+0x24/0x38 [ 66.553682][ T4155] hci_dev_do_close+0x16c/0x1060 [ 66.554939][ T4155] hci_unregister_dev+0x248/0x4d4 [ 66.556086][ T4155] vhci_release+0x74/0xc4 [ 66.557280][ T4155] __fput+0x1c4/0x800 [ 66.558239][ T4155] ____fput+0x20/0x30 [ 66.559163][ T4155] task_work_run+0x130/0x1e4 [ 66.560297][ T4155] do_exit+0x670/0x20bc [ 66.561362][ T4155] do_group_exit+0x110/0x268 [ 66.562429][ T4155] get_signal+0x634/0x1550 [ 66.563419][ T4155] do_notify_resume+0x3d0/0x32b8 [ 66.564584][ T4155] el0_svc+0xfc/0x1f0 [ 66.565541][ T4155] el0t_64_sync_handler+0x84/0xe4 [ 66.566794][ T4155] el0t_64_sync+0x1a0/0x1a4 [ 66.567857][ T4155] [ 66.567857][ T4155] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 66.569418][ T4155] __mutex_lock_common+0x194/0x2154 [ 66.570699][ T4155] mutex_lock_nested+0xa4/0xf8 [ 66.571789][ T4155] bg_scan_update+0x9c/0x470 [ 66.572802][ T4155] process_one_work+0x790/0x11b8 [ 66.573894][ T4155] worker_thread+0x910/0x1034 [ 66.574985][ T4155] kthread+0x37c/0x45c [ 66.575909][ T4155] ret_from_fork+0x10/0x20 [ 66.576872][ T4155] [ 66.576872][ T4155] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 66.578933][ T4155] __lock_acquire+0x32d4/0x7638 [ 66.580069][ T4155] lock_acquire+0x240/0x77c [ 66.581279][ T4155] __flush_work+0xf8/0x1c0 [ 66.582304][ T4155] __cancel_work_timer+0x3ec/0x548 [ 66.583499][ T4155] cancel_work_sync+0x24/0x38 [ 66.584635][ T4155] hci_request_cancel_all+0xcc/0x2d0 [ 66.585914][ T4155] hci_dev_do_close+0x54/0x1060 [ 66.587130][ T4155] hci_rfkill_set_block+0xdc/0x1d0 [ 66.588270][ T4155] rfkill_set_block+0x18c/0x37c [ 66.589431][ T4155] rfkill_fop_write+0x594/0x750 [ 66.590660][ T4155] vfs_write+0x280/0xb44 [ 66.591640][ T4155] ksys_write+0x15c/0x26c [ 66.592727][ T4155] __arm64_sys_write+0x7c/0x90 [ 66.593870][ T4155] invoke_syscall+0x98/0x2b8 [ 66.594890][ T4155] el0_svc_common+0x138/0x258 [ 66.596027][ T4155] do_el0_svc+0x58/0x14c [ 66.597026][ T4155] el0_svc+0x7c/0x1f0 [ 66.597883][ T4155] el0t_64_sync_handler+0x84/0xe4 [ 66.599090][ T4155] el0t_64_sync+0x1a0/0x1a4 [ 66.600097][ T4155] [ 66.600097][ T4155] other info that might help us debug this: [ 66.600097][ T4155] [ 66.602123][ T4155] Chain exists of: [ 66.602123][ T4155] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 66.602123][ T4155] [ 66.605358][ T4155] Possible unsafe locking scenario: [ 66.605358][ T4155] [ 66.606962][ T4155] CPU0 CPU1 [ 66.608071][ T4155] ---- ---- [ 66.609207][ T4155] lock(rfkill_global_mutex); [ 66.610255][ T4155] lock(&data->open_mutex); [ 66.611833][ T4155] lock(rfkill_global_mutex); [ 66.613266][ T4155] lock((work_completion)(&hdev->bg_scan_update)); [ 66.614566][ T4155] [ 66.614566][ T4155] *** DEADLOCK *** [ 66.614566][ T4155] [ 66.616347][ T4155] 1 lock held by syz.0.15/4155: [ 66.617338][ T4155] #0: ffff800016e66e28 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 66.619481][ T4155] [ 66.619481][ T4155] stack backtrace: [ 66.620845][ T4155] CPU: 1 PID: 4155 Comm: syz.0.15 Not tainted 5.15.168-syzkaller #0 [ 66.622506][ T4155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 66.624704][ T4155] Call trace: [ 66.625394][ T4155] dump_backtrace+0x0/0x530 [ 66.626289][ T4155] show_stack+0x2c/0x3c [ 66.627180][ T4155] dump_stack_lvl+0x108/0x170 [ 66.628232][ T4155] dump_stack+0x1c/0x58 [ 66.629020][ T4155] print_circular_bug+0x150/0x1b8 [ 66.630002][ T4155] check_noncircular+0x2cc/0x378 [ 66.631086][ T4155] __lock_acquire+0x32d4/0x7638 [ 66.632041][ T4155] lock_acquire+0x240/0x77c [ 66.632982][ T4155] __flush_work+0xf8/0x1c0 [ 66.633847][ T4155] __cancel_work_timer+0x3ec/0x548 [ 66.635050][ T4155] cancel_work_sync+0x24/0x38 [ 66.635992][ T4155] hci_request_cancel_all+0xcc/0x2d0 [ 66.637182][ T4155] hci_dev_do_close+0x54/0x1060 [ 66.638322][ T4155] hci_rfkill_set_block+0xdc/0x1d0 [ 66.639436][ T4155] rfkill_set_block+0x18c/0x37c [ 66.640534][ T4155] rfkill_fop_write+0x594/0x750 [ 66.641709][ T4155] vfs_write+0x280/0xb44 [ 66.642613][ T4155] ksys_write+0x15c/0x26c [ 66.643579][ T4155] __arm64_sys_write+0x7c/0x90 [ 66.644619][ T4155] invoke_syscall+0x98/0x2b8 [ 66.645525][ T4155] el0_svc_common+0x138/0x258 [ 66.646638][ T4155] do_el0_svc+0x58/0x14c [ 66.647648][ T4155] el0_svc+0x7c/0x1f0 [ 66.648577][ T4155] el0t_64_sync_handler+0x84/0xe4 [ 66.649583][ T4155] el0t_64_sync+0x1a0/0x1a4