Warning: Permanently added '10.128.1.18' (ED25519) to the list of known hosts. 1970/01/01 00:00:38 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:00:38 parsed 1 programs [ 41.346431][ T4025] cgroup: Unknown subsys name 'net' [ 41.542118][ T4025] cgroup: Unknown subsys name 'rlimit' [ 41.838642][ T4025] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 48.929054][ T4073] chnl_net:caif_netlink_parms(): no params data found [ 48.964394][ T4073] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.966119][ T4073] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.968867][ T4073] device bridge_slave_0 entered promiscuous mode [ 49.016733][ T4073] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.018349][ T4073] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.020646][ T4073] device bridge_slave_1 entered promiscuous mode [ 49.035112][ T4073] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 49.038973][ T4073] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 49.053127][ T4073] team0: Port device team_slave_0 added [ 49.055944][ T4073] team0: Port device team_slave_1 added [ 49.069143][ T4073] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 49.070732][ T4073] 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. [ 49.075893][ T4073] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 49.080091][ T4073] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 49.081566][ T4073] 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. [ 49.087845][ T4073] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 49.139826][ T4073] device hsr_slave_0 entered promiscuous mode [ 49.177890][ T4073] device hsr_slave_1 entered promiscuous mode [ 49.295070][ T4073] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 49.340308][ T4073] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 49.380908][ T4073] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 49.419918][ T4073] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 49.494308][ T4073] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.496070][ T4073] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.497871][ T4073] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.499424][ T4073] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.541135][ T4073] 8021q: adding VLAN 0 to HW filter on device bond0 [ 49.549055][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 49.552340][ T431] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.555437][ T431] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.562407][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 49.570094][ T4073] 8021q: adding VLAN 0 to HW filter on device team0 [ 49.575267][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.577823][ T148] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.579474][ T148] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.585865][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.588704][ T431] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.590227][ T431] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.608157][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 49.611140][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 49.617252][ T1869] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 49.623718][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 49.630069][ T1869] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 49.638755][ T4073] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 49.703070][ T1869] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 49.704950][ T1869] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 49.712365][ T4073] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 49.723415][ T1869] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 49.737345][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 49.739775][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 49.741848][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 49.744734][ T4073] device veth0_vlan entered promiscuous mode [ 49.751564][ T4073] device veth1_vlan entered promiscuous mode [ 49.764649][ T1869] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 49.769367][ T1869] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 49.772619][ T1869] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 49.776635][ T4073] device veth0_macvtap entered promiscuous mode [ 49.780308][ T4073] device veth1_macvtap entered promiscuous mode [ 49.791689][ T4073] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 49.793440][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 49.797430][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 49.802350][ T4073] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 49.806009][ T4073] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.809141][ T4073] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.811066][ T4073] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.812794][ T4073] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.816101][ T1869] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 50.326181][ T136] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 50.335415][ T1869] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 50.338633][ T1869] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 50.341322][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 50.355666][ T431] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 50.358324][ T431] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 50.360555][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:00:50 executed programs: 0 [ 50.642580][ T4104] chnl_net:caif_netlink_parms(): no params data found [ 50.675940][ T4104] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.678008][ T4104] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.680067][ T4104] device bridge_slave_0 entered promiscuous mode [ 50.683615][ T4104] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.685330][ T4104] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.688947][ T4104] device bridge_slave_1 entered promiscuous mode [ 50.702695][ T4104] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 50.706700][ T4104] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 50.720525][ T4104] team0: Port device team_slave_0 added [ 50.723358][ T4104] team0: Port device team_slave_1 added [ 50.737280][ T4104] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 50.738752][ T4104] 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. [ 50.744359][ T4104] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 50.748109][ T4104] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 50.749653][ T4104] 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. [ 50.755017][ T4104] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 50.828481][ T4104] device hsr_slave_0 entered promiscuous mode [ 50.876570][ T4104] device hsr_slave_1 entered promiscuous mode [ 50.926544][ T4104] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 50.928488][ T4104] Cannot create hsr debugfs directory [ 52.646771][ T4040] Bluetooth: hci0: command 0x0409 tx timeout [ 53.012014][ T136] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 54.726447][ T4040] Bluetooth: hci0: command 0x041b tx timeout [ 55.262309][ T136] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 55.303559][ T136] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 56.202762][ T4104] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 56.238484][ T4104] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 56.268788][ T4104] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 56.318604][ T4104] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 56.421957][ T4104] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.428662][ T1613] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.430827][ T1613] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.435774][ T4104] 8021q: adding VLAN 0 to HW filter on device team0 [ 56.440618][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 56.442828][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.445012][ T431] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.446497][ T431] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.449040][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 56.453409][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 56.455491][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.458403][ T431] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.459996][ T431] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.463998][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 56.468589][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 56.473014][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 56.475517][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 56.479614][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 56.484143][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 56.488245][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 56.525290][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 56.528130][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 56.532797][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 56.535076][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 56.539536][ T4104] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 56.602069][ T1613] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 56.603781][ T1613] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 56.609880][ T4104] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 56.621453][ T1613] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 56.623927][ T1613] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 56.634313][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 56.637259][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 56.641049][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 56.643353][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 56.645650][ T4104] device veth0_vlan entered promiscuous mode [ 56.652424][ T4104] device veth1_vlan entered promiscuous mode [ 56.665783][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 56.668405][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 56.670489][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 56.672789][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 56.677379][ T4104] device veth0_macvtap entered promiscuous mode [ 56.681319][ T4104] device veth1_macvtap entered promiscuous mode [ 56.691047][ T4104] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 56.693305][ T4104] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 56.698218][ T4104] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 56.699955][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 56.702204][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 56.704443][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 56.707405][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 56.711371][ T4104] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 56.713586][ T4104] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 56.717503][ T4104] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 56.719945][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 56.722267][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 56.725890][ T4104] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.727930][ T4104] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.729796][ T4104] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.731578][ T4104] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.763596][ T431] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 56.765301][ T431] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 56.768939][ T1613] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 56.783017][ T431] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 56.784777][ T431] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 56.787663][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 56.806831][ T21] Bluetooth: hci0: command 0x040f tx timeout [ 56.963718][ T4155] [ 56.964259][ T4155] ====================================================== [ 56.965676][ T4155] WARNING: possible circular locking dependency detected [ 56.967238][ T4155] 5.15.173-syzkaller #0 Not tainted [ 56.968349][ T4155] ------------------------------------------------------ [ 56.969735][ T4155] syz.0.15/4155 is trying to acquire lock: [ 56.970878][ T4155] ffff0000db8a4c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xd0/0x1c0 [ 56.973171][ T4155] [ 56.973171][ T4155] but task is already holding lock: [ 56.974705][ T4155] ffff800016f25fe8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 56.976912][ T4155] [ 56.976912][ T4155] which lock already depends on the new lock. [ 56.976912][ T4155] [ 56.979275][ T4155] [ 56.979275][ T4155] the existing dependency chain (in reverse order) is: [ 56.981298][ T4155] [ 56.981298][ T4155] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 56.983092][ T4155] __mutex_lock_common+0x194/0x2154 [ 56.984298][ T4155] mutex_lock_nested+0xa4/0xf8 [ 56.985488][ T4155] rfkill_register+0x44/0x7a4 [ 56.986549][ T4155] hci_register_dev+0x3e0/0x880 [ 56.987668][ T4155] vhci_create_device+0x2c4/0x568 [ 56.988825][ T4155] vhci_write+0x318/0x3b8 [ 56.989834][ T4155] vfs_write+0x884/0xb44 [ 56.990856][ T4155] ksys_write+0x15c/0x26c [ 56.991837][ T4155] __arm64_sys_write+0x7c/0x90 [ 56.992999][ T4155] invoke_syscall+0x98/0x2b8 [ 56.994101][ T4155] el0_svc_common+0x138/0x258 [ 56.995243][ T4155] do_el0_svc+0x58/0x14c [ 56.996310][ T4155] el0_svc+0x7c/0x1f0 [ 56.997263][ T4155] el0t_64_sync_handler+0x84/0xe4 [ 56.998440][ T4155] el0t_64_sync+0x1a0/0x1a4 [ 56.999533][ T4155] [ 56.999533][ T4155] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 57.001276][ T4155] __mutex_lock_common+0x194/0x2154 [ 57.002446][ T4155] mutex_lock_nested+0xa4/0xf8 [ 57.003578][ T4155] vhci_send_frame+0x8c/0x10c [ 57.004821][ T4155] hci_send_frame+0x194/0x2f0 [ 57.005967][ T4155] hci_tx_work+0x9ac/0x16cc [ 57.006982][ T4155] process_one_work+0x790/0x11b8 [ 57.008239][ T4155] worker_thread+0x910/0x1034 [ 57.009292][ T4155] kthread+0x37c/0x45c [ 57.010262][ T4155] ret_from_fork+0x10/0x20 [ 57.011263][ T4155] [ 57.011263][ T4155] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 57.013419][ T4155] __flush_work+0xf8/0x1c0 [ 57.014422][ T4155] flush_work+0x24/0x38 [ 57.015483][ T4155] hci_dev_do_close+0x16c/0x1060 [ 57.016727][ T4155] hci_unregister_dev+0x248/0x4d4 [ 57.017892][ T4155] vhci_release+0x74/0xc4 [ 57.018892][ T4155] __fput+0x1c4/0x800 [ 57.019777][ T4155] ____fput+0x20/0x30 [ 57.020767][ T4155] task_work_run+0x130/0x1e4 [ 57.021864][ T4155] do_exit+0x670/0x20bc [ 57.022847][ T4155] do_group_exit+0x110/0x268 [ 57.024028][ T4155] get_signal+0x634/0x1550 [ 57.025094][ T4155] do_notify_resume+0x3d0/0x32b8 [ 57.026376][ T4155] el0_svc+0xfc/0x1f0 [ 57.027269][ T4155] el0t_64_sync_handler+0x84/0xe4 [ 57.028475][ T4155] el0t_64_sync+0x1a0/0x1a4 [ 57.029511][ T4155] [ 57.029511][ T4155] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 57.031063][ T4155] __mutex_lock_common+0x194/0x2154 [ 57.032382][ T4155] mutex_lock_nested+0xa4/0xf8 [ 57.033425][ T4155] bg_scan_update+0x9c/0x470 [ 57.034410][ T4155] process_one_work+0x790/0x11b8 [ 57.035639][ T4155] worker_thread+0x910/0x1034 [ 57.036703][ T4155] kthread+0x37c/0x45c [ 57.037699][ T4155] ret_from_fork+0x10/0x20 [ 57.038742][ T4155] [ 57.038742][ T4155] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 57.040892][ T4155] __lock_acquire+0x32d4/0x7638 [ 57.042094][ T4155] lock_acquire+0x240/0x77c [ 57.043144][ T4155] __flush_work+0xf8/0x1c0 [ 57.044194][ T4155] __cancel_work_timer+0x3ec/0x548 [ 57.045438][ T4155] cancel_work_sync+0x24/0x38 [ 57.046489][ T4155] hci_request_cancel_all+0xcc/0x2d0 [ 57.047683][ T4155] hci_dev_do_close+0x54/0x1060 [ 57.048933][ T4155] hci_rfkill_set_block+0xdc/0x1d0 [ 57.050174][ T4155] rfkill_set_block+0x18c/0x37c [ 57.051391][ T4155] rfkill_fop_write+0x594/0x750 [ 57.052682][ T4155] vfs_write+0x280/0xb44 [ 57.053742][ T4155] ksys_write+0x15c/0x26c [ 57.054858][ T4155] __arm64_sys_write+0x7c/0x90 [ 57.055987][ T4155] invoke_syscall+0x98/0x2b8 [ 57.057042][ T4155] el0_svc_common+0x138/0x258 [ 57.058195][ T4155] do_el0_svc+0x58/0x14c [ 57.059227][ T4155] el0_svc+0x7c/0x1f0 [ 57.060182][ T4155] el0t_64_sync_handler+0x84/0xe4 [ 57.061444][ T4155] el0t_64_sync+0x1a0/0x1a4 [ 57.062663][ T4155] [ 57.062663][ T4155] other info that might help us debug this: [ 57.062663][ T4155] [ 57.064822][ T4155] Chain exists of: [ 57.064822][ T4155] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 57.064822][ T4155] [ 57.068186][ T4155] Possible unsafe locking scenario: [ 57.068186][ T4155] [ 57.069854][ T4155] CPU0 CPU1 [ 57.070885][ T4155] ---- ---- [ 57.071994][ T4155] lock(rfkill_global_mutex); [ 57.072996][ T4155] lock(&data->open_mutex); [ 57.074454][ T4155] lock(rfkill_global_mutex); [ 57.075971][ T4155] lock((work_completion)(&hdev->bg_scan_update)); [ 57.077455][ T4155] [ 57.077455][ T4155] *** DEADLOCK *** [ 57.077455][ T4155] [ 57.079268][ T4155] 1 lock held by syz.0.15/4155: [ 57.080313][ T4155] #0: ffff800016f25fe8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 57.082442][ T4155] [ 57.082442][ T4155] stack backtrace: [ 57.083670][ T4155] CPU: 0 PID: 4155 Comm: syz.0.15 Not tainted 5.15.173-syzkaller #0 [ 57.085238][ T4155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 57.087604][ T4155] Call trace: [ 57.088388][ T4155] dump_backtrace+0x0/0x530 [ 57.089352][ T4155] show_stack+0x2c/0x3c [ 57.090265][ T4155] dump_stack_lvl+0x108/0x170 [ 57.091328][ T4155] dump_stack+0x1c/0x58 [ 57.092248][ T4155] print_circular_bug+0x150/0x1b8 [ 57.093409][ T4155] check_noncircular+0x2cc/0x378 [ 57.094426][ T4155] __lock_acquire+0x32d4/0x7638 [ 57.095553][ T4155] lock_acquire+0x240/0x77c [ 57.096460][ T4155] __flush_work+0xf8/0x1c0 [ 57.097444][ T4155] __cancel_work_timer+0x3ec/0x548 [ 57.098565][ T4155] cancel_work_sync+0x24/0x38 [ 57.099578][ T4155] hci_request_cancel_all+0xcc/0x2d0 [ 57.100734][ T4155] hci_dev_do_close+0x54/0x1060 [ 57.101814][ T4155] hci_rfkill_set_block+0xdc/0x1d0 [ 57.103017][ T4155] rfkill_set_block+0x18c/0x37c [ 57.104111][ T4155] rfkill_fop_write+0x594/0x750 [ 57.105141][ T4155] vfs_write+0x280/0xb44 [ 57.106079][ T4155] ksys_write+0x15c/0x26c [ 57.107032][ T4155] __arm64_sys_write+0x7c/0x90 [ 57.108062][ T4155] invoke_syscall+0x98/0x2b8 [ 57.109127][ T4155] el0_svc_common+0x138/0x258 [ 57.110167][ T4155] do_el0_svc+0x58/0x14c [ 57.111055][ T4155] el0_svc+0x7c/0x1f0 [ 57.111884][ T4155] el0t_64_sync_handler+0x84/0xe4 [ 57.112930][ T4155] el0t_64_sync+0x1a0/0x1a4