Warning: Permanently added '10.128.0.22' (ED25519) to the list of known hosts. 1970/01/01 00:00:40 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:00:40 parsed 1 programs [ 43.129900][ T4022] cgroup: Unknown subsys name 'net' [ 43.337942][ T4022] cgroup: Unknown subsys name 'rlimit' [ 43.669142][ T4022] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 52.996296][ T4079] chnl_net:caif_netlink_parms(): no params data found [ 53.038550][ T4079] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.040113][ T4079] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.042649][ T4079] device bridge_slave_0 entered promiscuous mode [ 53.046770][ T4079] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.048361][ T4079] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.050627][ T4079] device bridge_slave_1 entered promiscuous mode [ 53.068922][ T4079] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 53.074361][ T4079] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 53.090107][ T4079] team0: Port device team_slave_0 added [ 53.095644][ T4079] team0: Port device team_slave_1 added [ 53.109666][ T4079] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 53.111109][ T4079] 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. [ 53.116587][ T4079] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 53.120524][ T4079] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 53.122285][ T4079] 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. [ 53.127651][ T4079] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 53.184402][ T4079] device hsr_slave_0 entered promiscuous mode [ 53.223558][ T4079] device hsr_slave_1 entered promiscuous mode [ 53.363696][ T4079] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 53.435207][ T4079] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 53.474724][ T4079] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 53.526259][ T4079] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 53.619583][ T4079] 8021q: adding VLAN 0 to HW filter on device bond0 [ 53.629756][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 53.633623][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 53.638227][ T4079] 8021q: adding VLAN 0 to HW filter on device team0 [ 53.644950][ T392] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 53.647188][ T392] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 53.649847][ T392] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.651492][ T392] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.656864][ T392] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 53.662460][ T302] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 53.664619][ T302] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 53.666691][ T302] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.668239][ T302] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.673446][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 53.678028][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 53.694548][ T302] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 53.698724][ T302] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 53.701046][ T302] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 53.704520][ T302] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 53.707759][ T302] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 53.711838][ T302] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 53.719979][ T4079] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 53.722973][ T4079] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 53.725696][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 53.788816][ T582] ODEBUG: Out of memory. ODEBUG disabled [ 53.803189][ T4079] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 53.805727][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 53.807466][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 53.823202][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 53.837530][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 53.840336][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 53.842774][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 53.847064][ T4079] device veth0_vlan entered promiscuous mode [ 53.856456][ T4079] device veth1_vlan entered promiscuous mode [ 53.870965][ T392] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 53.873504][ T392] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 53.875695][ T392] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 53.879068][ T4079] device veth0_macvtap entered promiscuous mode [ 53.883912][ T4079] device veth1_macvtap entered promiscuous mode [ 53.894254][ T4079] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 53.896091][ T302] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 53.898894][ T302] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 53.909611][ T4079] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 53.911600][ T302] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 53.916802][ T4079] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.919548][ T4079] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.921426][ T4079] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.924996][ T4079] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.219269][ T392] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 54.222241][ T392] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 54.228193][ T302] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 54.236412][ T302] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 54.238274][ T302] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 54.240777][ T392] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:00:54 executed programs: 0 [ 54.390486][ T4111] chnl_net:caif_netlink_parms(): no params data found [ 54.421859][ T4111] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.423803][ T4111] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.425939][ T4111] device bridge_slave_0 entered promiscuous mode [ 54.429138][ T4111] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.430728][ T4111] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.433592][ T4111] device bridge_slave_1 entered promiscuous mode [ 54.448796][ T4111] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.453451][ T4111] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.466919][ T4111] team0: Port device team_slave_0 added [ 54.469753][ T4111] team0: Port device team_slave_1 added [ 54.481335][ T4111] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 54.483680][ T4111] 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. [ 54.489613][ T4111] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 54.493862][ T4111] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 54.495263][ T4111] 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. [ 54.500748][ T4111] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 54.553917][ T4111] device hsr_slave_0 entered promiscuous mode [ 54.594172][ T4111] device hsr_slave_1 entered promiscuous mode [ 54.632274][ T4111] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 54.634068][ T4111] Cannot create hsr debugfs directory [ 54.711433][ T4111] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 56.363002][ T4039] Bluetooth: hci0: command 0x0409 tx timeout [ 56.878441][ T4111] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 58.442312][ T4039] Bluetooth: hci0: command 0x041b tx timeout [ 59.299278][ T4111] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 59.371043][ T4111] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 59.537430][ T4111] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 59.604243][ T4111] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 59.645585][ T4111] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 59.694088][ T4111] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 59.778614][ T4111] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.026885][ T302] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.029455][ T302] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.033997][ T4111] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.037913][ T302] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.040239][ T302] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.042580][ T302] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.044232][ T302] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.046153][ T302] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.050660][ T302] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.052953][ T302] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.054929][ T302] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.056523][ T302] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.060562][ T302] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.069208][ T392] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.074223][ T302] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.081869][ T302] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.087621][ T302] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.091583][ T302] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.104605][ T302] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.109714][ T302] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.111872][ T302] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.117181][ T302] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.119643][ T302] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.124993][ T4111] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.187938][ T1756] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.189559][ T1756] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.196070][ T4111] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.206434][ T1756] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 60.208684][ T1756] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 60.219498][ T1756] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 60.221654][ T1756] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 60.224605][ T1756] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 60.227616][ T1756] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 60.231558][ T4111] device veth0_vlan entered promiscuous mode [ 60.255535][ T4111] device veth1_vlan entered promiscuous mode [ 60.268142][ T1756] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 60.270272][ T1756] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 60.272632][ T1756] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 60.274945][ T1756] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 60.278871][ T4111] device veth0_macvtap entered promiscuous mode [ 60.283717][ T4111] device veth1_macvtap entered promiscuous mode [ 60.291994][ T4111] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 60.294793][ T4111] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 60.297897][ T4111] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 60.299791][ T1756] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 60.303741][ T1756] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 60.305757][ T1756] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 60.308035][ T1756] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 60.311607][ T4111] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 60.314286][ T4111] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 60.317503][ T4111] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 60.321003][ T392] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 60.323536][ T392] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 60.327630][ T4111] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.329528][ T4111] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.331308][ T4111] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.333806][ T4111] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.369686][ T392] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 60.374326][ T392] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 60.392296][ T1756] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 60.397420][ T392] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 60.399088][ T392] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 60.401997][ T1756] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 60.535000][ T4097] Bluetooth: hci0: command 0x040f tx timeout [ 60.578241][ T4123] [ 60.578840][ T4123] ====================================================== [ 60.580518][ T4123] WARNING: possible circular locking dependency detected [ 60.582056][ T4123] 5.15.167-syzkaller #0 Not tainted [ 60.583185][ T4123] ------------------------------------------------------ [ 60.584766][ T4123] syz.0.15/4123 is trying to acquire lock: [ 60.585952][ T4123] ffff0000dbdf8c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xd0/0x1c0 [ 60.588317][ T4123] [ 60.588317][ T4123] but task is already holding lock: [ 60.589903][ T4123] ffff800016e75ba8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 60.591992][ T4123] [ 60.591992][ T4123] which lock already depends on the new lock. [ 60.591992][ T4123] [ 60.594347][ T4123] [ 60.594347][ T4123] the existing dependency chain (in reverse order) is: [ 60.596294][ T4123] [ 60.596294][ T4123] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 60.598094][ T4123] __mutex_lock_common+0x194/0x2154 [ 60.599386][ T4123] mutex_lock_nested+0xa4/0xf8 [ 60.600661][ T4123] rfkill_register+0x44/0x7a4 [ 60.601817][ T4123] hci_register_dev+0x3e0/0x880 [ 60.603093][ T4123] vhci_create_device+0x2c4/0x568 [ 60.604365][ T4123] vhci_write+0x318/0x3b8 [ 60.605444][ T4123] vfs_write+0x884/0xb44 [ 60.606504][ T4123] ksys_write+0x15c/0x26c [ 60.607526][ T4123] __arm64_sys_write+0x7c/0x90 [ 60.608734][ T4123] invoke_syscall+0x98/0x2b8 [ 60.609776][ T4123] el0_svc_common+0x138/0x258 [ 60.610923][ T4123] do_el0_svc+0x58/0x14c [ 60.611949][ T4123] el0_svc+0x7c/0x1f0 [ 60.612937][ T4123] el0t_64_sync_handler+0x84/0xe4 [ 60.614070][ T4123] el0t_64_sync+0x1a0/0x1a4 [ 60.615058][ T4123] [ 60.615058][ T4123] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 60.616794][ T4123] __mutex_lock_common+0x194/0x2154 [ 60.618118][ T4123] mutex_lock_nested+0xa4/0xf8 [ 60.619290][ T4123] vhci_send_frame+0x8c/0x10c [ 60.620565][ T4123] hci_send_frame+0x194/0x2f0 [ 60.621668][ T4123] hci_tx_work+0x9ac/0x16cc [ 60.622845][ T4123] process_one_work+0x790/0x11b8 [ 60.624007][ T4123] worker_thread+0x910/0x1034 [ 60.625250][ T4123] kthread+0x37c/0x45c [ 60.626294][ T4123] ret_from_fork+0x10/0x20 [ 60.627553][ T4123] [ 60.627553][ T4123] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 60.629455][ T4123] __flush_work+0xf8/0x1c0 [ 60.630549][ T4123] flush_work+0x24/0x38 [ 60.631622][ T4123] hci_dev_do_close+0x16c/0x1060 [ 60.632968][ T4123] hci_unregister_dev+0x248/0x4d4 [ 60.634185][ T4123] vhci_release+0x74/0xc4 [ 60.635192][ T4123] __fput+0x1c4/0x800 [ 60.636185][ T4123] ____fput+0x20/0x30 [ 60.637212][ T4123] task_work_run+0x130/0x1e4 [ 60.638308][ T4123] do_exit+0x670/0x20bc [ 60.639391][ T4123] do_group_exit+0x110/0x268 [ 60.640491][ T4123] get_signal+0x634/0x1550 [ 60.641469][ T4123] do_notify_resume+0x3d0/0x32b8 [ 60.642724][ T4123] el0_svc+0xfc/0x1f0 [ 60.643776][ T4123] el0t_64_sync_handler+0x84/0xe4 [ 60.644953][ T4123] el0t_64_sync+0x1a0/0x1a4 [ 60.646039][ T4123] [ 60.646039][ T4123] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 60.647817][ T4123] __mutex_lock_common+0x194/0x2154 [ 60.649068][ T4123] mutex_lock_nested+0xa4/0xf8 [ 60.650230][ T4123] bg_scan_update+0x9c/0x470 [ 60.651426][ T4123] process_one_work+0x790/0x11b8 [ 60.652687][ T4123] worker_thread+0x910/0x1034 [ 60.653788][ T4123] kthread+0x37c/0x45c [ 60.654782][ T4123] ret_from_fork+0x10/0x20 [ 60.655988][ T4123] [ 60.655988][ T4123] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 60.657997][ T4123] __lock_acquire+0x32d4/0x7638 [ 60.659197][ T4123] lock_acquire+0x240/0x77c [ 60.660313][ T4123] __flush_work+0xf8/0x1c0 [ 60.661367][ T4123] __cancel_work_timer+0x3ec/0x548 [ 60.662484][ T4123] cancel_work_sync+0x24/0x38 [ 60.663773][ T4123] hci_request_cancel_all+0xcc/0x2d0 [ 60.665008][ T4123] hci_dev_do_close+0x54/0x1060 [ 60.666242][ T4123] hci_rfkill_set_block+0xdc/0x1d0 [ 60.667519][ T4123] rfkill_set_block+0x18c/0x37c [ 60.668624][ T4123] rfkill_fop_write+0x594/0x750 [ 60.669859][ T4123] vfs_write+0x280/0xb44 [ 60.670965][ T4123] ksys_write+0x15c/0x26c [ 60.671896][ T4123] __arm64_sys_write+0x7c/0x90 [ 60.672928][ T4123] invoke_syscall+0x98/0x2b8 [ 60.674073][ T4123] el0_svc_common+0x138/0x258 [ 60.675214][ T4123] do_el0_svc+0x58/0x14c [ 60.676212][ T4123] el0_svc+0x7c/0x1f0 [ 60.677257][ T4123] el0t_64_sync_handler+0x84/0xe4 [ 60.678364][ T4123] el0t_64_sync+0x1a0/0x1a4 [ 60.679511][ T4123] [ 60.679511][ T4123] other info that might help us debug this: [ 60.679511][ T4123] [ 60.681922][ T4123] Chain exists of: [ 60.681922][ T4123] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 60.681922][ T4123] [ 60.685637][ T4123] Possible unsafe locking scenario: [ 60.685637][ T4123] [ 60.687199][ T4123] CPU0 CPU1 [ 60.688462][ T4123] ---- ---- [ 60.689738][ T4123] lock(rfkill_global_mutex); [ 60.690774][ T4123] lock(&data->open_mutex); [ 60.692449][ T4123] lock(rfkill_global_mutex); [ 60.694017][ T4123] lock((work_completion)(&hdev->bg_scan_update)); [ 60.695485][ T4123] [ 60.695485][ T4123] *** DEADLOCK *** [ 60.695485][ T4123] [ 60.697317][ T4123] 1 lock held by syz.0.15/4123: [ 60.698306][ T4123] #0: ffff800016e75ba8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 60.700636][ T4123] [ 60.700636][ T4123] stack backtrace: [ 60.701788][ T4123] CPU: 0 PID: 4123 Comm: syz.0.15 Not tainted 5.15.167-syzkaller #0 [ 60.703652][ T4123] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 60.705846][ T4123] Call trace: [ 60.706534][ T4123] dump_backtrace+0x0/0x530 [ 60.707494][ T4123] show_stack+0x2c/0x3c [ 60.708404][ T4123] dump_stack_lvl+0x108/0x170 [ 60.709401][ T4123] dump_stack+0x1c/0x58 [ 60.710267][ T4123] print_circular_bug+0x150/0x1b8 [ 60.711388][ T4123] check_noncircular+0x2cc/0x378 [ 60.712403][ T4123] __lock_acquire+0x32d4/0x7638 [ 60.713469][ T4123] lock_acquire+0x240/0x77c [ 60.714498][ T4123] __flush_work+0xf8/0x1c0 [ 60.715502][ T4123] __cancel_work_timer+0x3ec/0x548 [ 60.716685][ T4123] cancel_work_sync+0x24/0x38 [ 60.717762][ T4123] hci_request_cancel_all+0xcc/0x2d0 [ 60.719025][ T4123] hci_dev_do_close+0x54/0x1060 [ 60.720163][ T4123] hci_rfkill_set_block+0xdc/0x1d0 [ 60.721160][ T4123] rfkill_set_block+0x18c/0x37c [ 60.722229][ T4123] rfkill_fop_write+0x594/0x750 [ 60.723254][ T4123] vfs_write+0x280/0xb44 [ 60.724306][ T4123] ksys_write+0x15c/0x26c [ 60.725284][ T4123] __arm64_sys_write+0x7c/0x90 [ 60.726361][ T4123] invoke_syscall+0x98/0x2b8 [ 60.727433][ T4123] el0_svc_common+0x138/0x258 [ 60.728439][ T4123] do_el0_svc+0x58/0x14c [ 60.729417][ T4123] el0_svc+0x7c/0x1f0 [ 60.730258][ T4123] el0t_64_sync_handler+0x84/0xe4 [ 60.731458][ T4123] el0t_64_sync+0x1a0/0x1a4