Warning: Permanently added '10.128.0.242' (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 [ 48.014146][ T4020] cgroup: Unknown subsys name 'net' [ 48.268530][ T4020] cgroup: Unknown subsys name 'rlimit' [ 48.592925][ T4020] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 56.068184][ T4046] chnl_net:caif_netlink_parms(): no params data found [ 56.108422][ T4046] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.110104][ T4046] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.112359][ T4046] device bridge_slave_0 entered promiscuous mode [ 56.116771][ T4046] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.118301][ T4046] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.120482][ T4046] device bridge_slave_1 entered promiscuous mode [ 56.139801][ T4046] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.144132][ T4046] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.158939][ T4046] team0: Port device team_slave_0 added [ 56.161882][ T4046] team0: Port device team_slave_1 added [ 56.176296][ T4046] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 56.177771][ T4046] 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. [ 56.183574][ T4046] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 56.187785][ T4046] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 56.189302][ T4046] 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. [ 56.194975][ T4046] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 56.255055][ T4046] device hsr_slave_0 entered promiscuous mode [ 56.313009][ T4046] device hsr_slave_1 entered promiscuous mode [ 56.453292][ T4046] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 56.508751][ T4046] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 56.546233][ T4046] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 56.586173][ T4046] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 56.655002][ T4046] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.656690][ T4046] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.658731][ T4046] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.660375][ T4046] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.750687][ T4046] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.758435][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.762899][ T136] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.767212][ T136] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.769899][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 56.778954][ T4046] 8021q: adding VLAN 0 to HW filter on device team0 [ 56.786677][ T1372] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.788947][ T1372] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.790559][ T1372] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.799232][ T1372] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.801460][ T1372] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.803240][ T1372] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.824925][ T1372] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 56.828072][ T1372] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 56.837724][ T1372] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 56.843966][ T1372] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 56.849601][ T1372] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 56.856373][ T4046] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 56.929089][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 56.930946][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 56.940174][ T4046] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 56.955467][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 56.971669][ T1372] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 56.976311][ T1372] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 56.978594][ T1372] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 56.984223][ T4046] device veth0_vlan entered promiscuous mode [ 56.990368][ T4046] device veth1_vlan entered promiscuous mode [ 57.007637][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 57.010066][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 57.014456][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 57.019116][ T4046] device veth0_macvtap entered promiscuous mode [ 57.024973][ T4046] device veth1_macvtap entered promiscuous mode [ 57.038515][ T4046] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 57.040607][ T1372] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 57.045280][ T1372] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 57.049997][ T4046] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 57.052735][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 57.055304][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 57.059844][ T4046] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.061939][ T4046] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.064418][ T4046] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.066230][ T4046] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.656737][ T153] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 57.658685][ T153] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 57.661391][ T1372] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 57.695357][ T1372] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 57.697148][ T1372] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 57.699833][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 58.373712][ T1852] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:58 executed programs: 0 [ 58.829307][ T4102] chnl_net:caif_netlink_parms(): no params data found [ 58.867626][ T4102] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.869203][ T4102] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.871446][ T4102] device bridge_slave_0 entered promiscuous mode [ 58.876271][ T4102] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.877925][ T4102] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.880155][ T4102] device bridge_slave_1 entered promiscuous mode [ 58.897804][ T4102] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.901907][ T4102] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.918325][ T4102] team0: Port device team_slave_0 added [ 58.921453][ T4102] team0: Port device team_slave_1 added [ 58.938276][ T4102] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 58.939879][ 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. [ 58.946557][ T4102] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 58.950245][ T4102] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 58.951660][ 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. [ 58.958003][ T4102] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 59.014910][ T4102] device hsr_slave_0 entered promiscuous mode [ 59.063822][ T4102] device hsr_slave_1 entered promiscuous mode [ 59.102795][ T4102] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 59.104508][ T4102] Cannot create hsr debugfs directory [ 60.763295][ T4052] Bluetooth: hci0: command 0x0409 tx timeout [ 60.820836][ T1852] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 62.128644][ T1852] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 62.203035][ T1852] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 62.833086][ T7] Bluetooth: hci0: command 0x041b tx timeout [ 63.212733][ T4102] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 63.255284][ T4102] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 63.306301][ T4102] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 63.345266][ T4102] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 63.466085][ T4102] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.477000][ T1372] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.479170][ T1372] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.483932][ T4102] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.488759][ T1372] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.491525][ T1372] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.496975][ T1372] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.498460][ T1372] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.501058][ T1372] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.507288][ T1372] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.509642][ T1372] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.512183][ T1372] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.513740][ T1372] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.521564][ T1372] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.527057][ T1372] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.532289][ T1372] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.539572][ T1372] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.542047][ T1372] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.548017][ T1372] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.550391][ T1372] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.555690][ T1372] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.557948][ T1372] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.565523][ T1372] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.567836][ T1372] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.572052][ T4102] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.643476][ T1372] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 63.645209][ T1372] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.652123][ T4102] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.665239][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 63.667678][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 63.681364][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 63.684111][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 63.686463][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 63.688630][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 63.693228][ T4102] device veth0_vlan entered promiscuous mode [ 63.700327][ T4102] device veth1_vlan entered promiscuous mode [ 63.715763][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 63.718137][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 63.720332][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 63.723822][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 63.728638][ T4102] device veth0_macvtap entered promiscuous mode [ 63.735167][ T4102] device veth1_macvtap entered promiscuous mode [ 63.746094][ T4102] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 63.748668][ T4102] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 63.752086][ T4102] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 63.755345][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 63.758672][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 63.760923][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 63.764913][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 63.769835][ T4102] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 63.771963][ T4102] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 63.776318][ T4102] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 63.809761][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 63.812446][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 63.818326][ T4102] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.820311][ T4102] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.822065][ T4102] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.824713][ T4102] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.896959][ T153] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 63.898736][ T153] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 63.901248][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 63.913971][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 63.915740][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 63.918767][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 64.140505][ T4154] [ 64.141019][ T4154] ====================================================== [ 64.142481][ T4154] WARNING: possible circular locking dependency detected [ 64.144038][ T4154] 5.15.167-syzkaller #0 Not tainted [ 64.145190][ T4154] ------------------------------------------------------ [ 64.146692][ T4154] syz.0.15/4154 is trying to acquire lock: [ 64.147925][ T4154] ffff0000d6674c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xd0/0x1c0 [ 64.150295][ T4154] [ 64.150295][ T4154] but task is already holding lock: [ 64.151931][ T4154] ffff800016e75ba8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 64.154026][ T4154] [ 64.154026][ T4154] which lock already depends on the new lock. [ 64.154026][ T4154] [ 64.156215][ T4154] [ 64.156215][ T4154] the existing dependency chain (in reverse order) is: [ 64.158180][ T4154] [ 64.158180][ T4154] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 64.160014][ T4154] __mutex_lock_common+0x194/0x2154 [ 64.161235][ T4154] mutex_lock_nested+0xa4/0xf8 [ 64.162422][ T4154] rfkill_register+0x44/0x7a4 [ 64.163603][ T4154] hci_register_dev+0x3e0/0x880 [ 64.164912][ T4154] vhci_create_device+0x2c4/0x568 [ 64.166169][ T4154] vhci_write+0x318/0x3b8 [ 64.167251][ T4154] vfs_write+0x884/0xb44 [ 64.168292][ T4154] ksys_write+0x15c/0x26c [ 64.169353][ T4154] __arm64_sys_write+0x7c/0x90 [ 64.170485][ T4154] invoke_syscall+0x98/0x2b8 [ 64.171595][ T4154] el0_svc_common+0x138/0x258 [ 64.172686][ T4154] do_el0_svc+0x58/0x14c [ 64.173627][ T4154] el0_svc+0x7c/0x1f0 [ 64.174700][ T4154] el0t_64_sync_handler+0x84/0xe4 [ 64.175911][ T4154] el0t_64_sync+0x1a0/0x1a4 [ 64.177073][ T4154] [ 64.177073][ T4154] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 64.178871][ T4154] __mutex_lock_common+0x194/0x2154 [ 64.180197][ T4154] mutex_lock_nested+0xa4/0xf8 [ 64.181287][ T4154] vhci_send_frame+0x8c/0x10c [ 64.182466][ T4154] hci_send_frame+0x194/0x2f0 [ 64.183581][ T4154] hci_tx_work+0x9ac/0x16cc [ 64.184663][ T4154] process_one_work+0x790/0x11b8 [ 64.185877][ T4154] worker_thread+0x910/0x1034 [ 64.186959][ T4154] kthread+0x37c/0x45c [ 64.187857][ T4154] ret_from_fork+0x10/0x20 [ 64.188941][ T4154] [ 64.188941][ T4154] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 64.191077][ T4154] __flush_work+0xf8/0x1c0 [ 64.192112][ T4154] flush_work+0x24/0x38 [ 64.193219][ T4154] hci_dev_do_close+0x16c/0x1060 [ 64.194448][ T4154] hci_unregister_dev+0x248/0x4d4 [ 64.195722][ T4154] vhci_release+0x74/0xc4 [ 64.196821][ T4154] __fput+0x1c4/0x800 [ 64.197820][ T4154] ____fput+0x20/0x30 [ 64.198787][ T4154] task_work_run+0x130/0x1e4 [ 64.199879][ T4154] do_exit+0x670/0x20bc [ 64.200937][ T4154] do_group_exit+0x110/0x268 [ 64.202032][ T4154] get_signal+0x634/0x1550 [ 64.203218][ T4154] do_notify_resume+0x3d0/0x32b8 [ 64.204476][ T4154] el0_svc+0xfc/0x1f0 [ 64.205439][ T4154] el0t_64_sync_handler+0x84/0xe4 [ 64.206674][ T4154] el0t_64_sync+0x1a0/0x1a4 [ 64.207714][ T4154] [ 64.207714][ T4154] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 64.209469][ T4154] __mutex_lock_common+0x194/0x2154 [ 64.210758][ T4154] mutex_lock_nested+0xa4/0xf8 [ 64.211814][ T4154] bg_scan_update+0x9c/0x470 [ 64.213012][ T4154] process_one_work+0x790/0x11b8 [ 64.214194][ T4154] worker_thread+0x910/0x1034 [ 64.215352][ T4154] kthread+0x37c/0x45c [ 64.216274][ T4154] ret_from_fork+0x10/0x20 [ 64.217367][ T4154] [ 64.217367][ T4154] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 64.219531][ T4154] __lock_acquire+0x32d4/0x7638 [ 64.220701][ T4154] lock_acquire+0x240/0x77c [ 64.221824][ T4154] __flush_work+0xf8/0x1c0 [ 64.222918][ T4154] __cancel_work_timer+0x3ec/0x548 [ 64.224158][ T4154] cancel_work_sync+0x24/0x38 [ 64.225211][ T4154] hci_request_cancel_all+0xcc/0x2d0 [ 64.226538][ T4154] hci_dev_do_close+0x54/0x1060 [ 64.227807][ T4154] hci_rfkill_set_block+0xdc/0x1d0 [ 64.229008][ T4154] rfkill_set_block+0x18c/0x37c [ 64.230202][ T4154] rfkill_fop_write+0x594/0x750 [ 64.231415][ T4154] vfs_write+0x280/0xb44 [ 64.232470][ T4154] ksys_write+0x15c/0x26c [ 64.233394][ T4154] __arm64_sys_write+0x7c/0x90 [ 64.234627][ T4154] invoke_syscall+0x98/0x2b8 [ 64.235742][ T4154] el0_svc_common+0x138/0x258 [ 64.236851][ T4154] do_el0_svc+0x58/0x14c [ 64.237893][ T4154] el0_svc+0x7c/0x1f0 [ 64.238795][ T4154] el0t_64_sync_handler+0x84/0xe4 [ 64.239996][ T4154] el0t_64_sync+0x1a0/0x1a4 [ 64.241154][ T4154] [ 64.241154][ T4154] other info that might help us debug this: [ 64.241154][ T4154] [ 64.243547][ T4154] Chain exists of: [ 64.243547][ T4154] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 64.243547][ T4154] [ 64.246895][ T4154] Possible unsafe locking scenario: [ 64.246895][ T4154] [ 64.248491][ T4154] CPU0 CPU1 [ 64.249696][ T4154] ---- ---- [ 64.250854][ T4154] lock(rfkill_global_mutex); [ 64.251926][ T4154] lock(&data->open_mutex); [ 64.253568][ T4154] lock(rfkill_global_mutex); [ 64.255110][ T4154] lock((work_completion)(&hdev->bg_scan_update)); [ 64.256560][ T4154] [ 64.256560][ T4154] *** DEADLOCK *** [ 64.256560][ T4154] [ 64.258246][ T4154] 1 lock held by syz.0.15/4154: [ 64.259250][ T4154] #0: ffff800016e75ba8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 64.261492][ T4154] [ 64.261492][ T4154] stack backtrace: [ 64.262824][ T4154] CPU: 0 PID: 4154 Comm: syz.0.15 Not tainted 5.15.167-syzkaller #0 [ 64.264714][ T4154] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 64.267211][ T4154] Call trace: [ 64.267950][ T4154] dump_backtrace+0x0/0x530 [ 64.268901][ T4154] show_stack+0x2c/0x3c [ 64.269720][ T4154] dump_stack_lvl+0x108/0x170 [ 64.270739][ T4154] dump_stack+0x1c/0x58 [ 64.271731][ T4154] print_circular_bug+0x150/0x1b8 [ 64.272976][ T4154] check_noncircular+0x2cc/0x378 [ 64.274066][ T4154] __lock_acquire+0x32d4/0x7638 [ 64.275082][ T4154] lock_acquire+0x240/0x77c [ 64.275977][ T4154] __flush_work+0xf8/0x1c0 [ 64.276939][ T4154] __cancel_work_timer+0x3ec/0x548 [ 64.278135][ T4154] cancel_work_sync+0x24/0x38 [ 64.279074][ T4154] hci_request_cancel_all+0xcc/0x2d0 [ 64.280172][ T4154] hci_dev_do_close+0x54/0x1060 [ 64.281190][ T4154] hci_rfkill_set_block+0xdc/0x1d0 [ 64.282364][ T4154] rfkill_set_block+0x18c/0x37c [ 64.283330][ T4154] rfkill_fop_write+0x594/0x750 [ 64.284398][ T4154] vfs_write+0x280/0xb44 [ 64.285373][ T4154] ksys_write+0x15c/0x26c [ 64.286307][ T4154] __arm64_sys_write+0x7c/0x90 [ 64.287421][ T4154] invoke_syscall+0x98/0x2b8 [ 64.288467][ T4154] el0_svc_common+0x138/0x258 [ 64.289428][ T4154] do_el0_svc+0x58/0x14c [ 64.290338][ T4154] el0_svc+0x7c/0x1f0 [ 64.291158][ T4154] el0t_64_sync_handler+0x84/0xe4 [ 64.292198][ T4154] el0t_64_sync+0x1a0/0x1a4