Warning: Permanently added '10.128.0.200' (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 [ 49.130612][ T4029] cgroup: Unknown subsys name 'net' [ 49.390187][ T4029] cgroup: Unknown subsys name 'rlimit' [ 49.744741][ T4029] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 59.035899][ T531] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 59.037802][ T531] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 59.040520][ T531] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 59.052254][ T531] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 59.054542][ T531] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 59.057292][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 59.927170][ T4073] chnl_net:caif_netlink_parms(): no params data found [ 59.972649][ T4073] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.974551][ T4073] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.977034][ T4073] device bridge_slave_0 entered promiscuous mode [ 59.981345][ T4073] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.982948][ T4073] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.985890][ T4073] device bridge_slave_1 entered promiscuous mode [ 60.005448][ T4073] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.009679][ T4073] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.025997][ T4073] team0: Port device team_slave_0 added [ 60.029091][ T4073] team0: Port device team_slave_1 added [ 60.042709][ T4073] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 60.044471][ 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. [ 60.050155][ T4073] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 60.054895][ T4073] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 60.056603][ 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. [ 60.062653][ T4073] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 60.146424][ T4073] device hsr_slave_0 entered promiscuous mode [ 60.185913][ T4073] device hsr_slave_1 entered promiscuous mode [ 60.318748][ T4073] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 60.388422][ T4073] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 60.457585][ T4073] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 60.508242][ T4073] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 60.562915][ T4073] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.564708][ T4073] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.566826][ T4073] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.568515][ T4073] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.619319][ T4073] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.630271][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.633593][ T136] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.638551][ T136] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.641343][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 60.650745][ T4073] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.657738][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.660275][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.662041][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.668521][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.671666][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.673372][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.697404][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.700507][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.703027][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.706333][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.708800][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.712798][ T4073] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.793614][ T4073] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.797442][ T1785] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.799384][ T1785] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.811486][ T1785] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 60.825952][ T1785] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 60.828783][ T1785] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 60.831619][ T1785] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 60.836292][ T4073] device veth0_vlan entered promiscuous mode [ 60.844682][ T4073] device veth1_vlan entered promiscuous mode [ 60.862405][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 60.864874][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 60.867591][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 60.871794][ T4073] device veth0_macvtap entered promiscuous mode [ 60.878746][ T4073] device veth1_macvtap entered promiscuous mode [ 60.892311][ T4073] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 60.895219][ T531] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 60.898666][ T531] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 60.905574][ T4073] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 60.908076][ T531] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 60.913018][ T4073] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.915840][ T4073] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.917818][ T4073] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.919750][ T4073] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:01:01 executed programs: 0 [ 61.592730][ T4116] chnl_net:caif_netlink_parms(): no params data found [ 61.627243][ T4116] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.628937][ T4116] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.631342][ T4116] device bridge_slave_0 entered promiscuous mode [ 61.636648][ T4116] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.638390][ T4116] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.640819][ T4116] device bridge_slave_1 entered promiscuous mode [ 61.661259][ T4116] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.666623][ T4116] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.681791][ T4116] team0: Port device team_slave_0 added [ 61.685667][ T4116] team0: Port device team_slave_1 added [ 61.699607][ T4116] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 61.701224][ T4116] 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. [ 61.708009][ T4116] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 61.712194][ T4116] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 61.713800][ T4116] 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. [ 61.720985][ T4116] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 61.786574][ T4116] device hsr_slave_0 entered promiscuous mode [ 61.825638][ T4116] device hsr_slave_1 entered promiscuous mode [ 61.864781][ T4116] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 61.866795][ T4116] Cannot create hsr debugfs directory [ 61.948496][ T4116] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 63.544573][ T25] Bluetooth: hci0: command 0x0409 tx timeout [ 64.001648][ T4116] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 65.624353][ T25] Bluetooth: hci0: command 0x041b tx timeout [ 66.141127][ T4116] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 66.212643][ T4116] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 66.406212][ T4116] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 66.478008][ T4116] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 66.536382][ T4116] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 66.617045][ T4116] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 66.722933][ T4116] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.737232][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.739495][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.746259][ T4116] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.750948][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.753363][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.756396][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.758163][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.760433][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.769022][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.771573][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.773750][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.775447][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.779749][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.785665][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.792632][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.796345][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.803444][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.806752][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.809542][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.812923][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.820401][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.827847][ T4116] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 66.830939][ T4116] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.840539][ T1785] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.842748][ T1785] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.908161][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.910065][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.917976][ T4116] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.931892][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 66.934645][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 66.947360][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 66.949743][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 66.952339][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 66.954999][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 66.961994][ T4116] device veth0_vlan entered promiscuous mode [ 66.969244][ T4116] device veth1_vlan entered promiscuous mode [ 66.990892][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 66.993576][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 66.999315][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 67.001700][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 67.006271][ T4116] device veth0_macvtap entered promiscuous mode [ 67.010362][ T4116] device veth1_macvtap entered promiscuous mode [ 67.022243][ T4116] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 67.028056][ T4116] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 67.031545][ T4116] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 67.033358][ T1785] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 67.035913][ T1785] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 67.038053][ T1785] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 67.040489][ T1785] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 67.049444][ T4116] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 67.051958][ T4116] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 67.057625][ T4116] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 67.059421][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 67.061869][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 67.069995][ T4116] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.072073][ T4116] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.074821][ T4116] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.076825][ T4116] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.124796][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.126894][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 67.129616][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 67.143178][ T1785] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.147450][ T1785] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 67.435368][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 67.567634][ T4129] [ 67.568285][ T4129] ====================================================== [ 67.569926][ T4129] WARNING: possible circular locking dependency detected [ 67.571600][ T4129] 5.15.173-syzkaller #0 Not tainted [ 67.572747][ T4129] ------------------------------------------------------ [ 67.574363][ T4129] syz.0.15/4129 is trying to acquire lock: [ 67.575739][ T4129] ffff0000d668cc28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xd0/0x1c0 [ 67.578451][ T4129] [ 67.578451][ T4129] but task is already holding lock: [ 67.580243][ T4129] ffff800016e77268 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 67.582572][ T4129] [ 67.582572][ T4129] which lock already depends on the new lock. [ 67.582572][ T4129] [ 67.584984][ T4129] [ 67.584984][ T4129] the existing dependency chain (in reverse order) is: [ 67.587097][ T4129] [ 67.587097][ T4129] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 67.588918][ T4129] __mutex_lock_common+0x194/0x2154 [ 67.590261][ T4129] mutex_lock_nested+0xa4/0xf8 [ 67.591590][ T4129] rfkill_register+0x44/0x7a4 [ 67.592825][ T4129] hci_register_dev+0x3e0/0x880 [ 67.593988][ T4129] vhci_create_device+0x2c4/0x568 [ 67.595332][ T4129] vhci_write+0x318/0x3b8 [ 67.596536][ T4129] vfs_write+0x884/0xb44 [ 67.597671][ T4129] ksys_write+0x15c/0x26c [ 67.598769][ T4129] __arm64_sys_write+0x7c/0x90 [ 67.600048][ T4129] invoke_syscall+0x98/0x2b8 [ 67.601215][ T4129] el0_svc_common+0x138/0x258 [ 67.602471][ T4129] do_el0_svc+0x58/0x14c [ 67.603610][ T4129] el0_svc+0x7c/0x1f0 [ 67.604773][ T4129] el0t_64_sync_handler+0x84/0xe4 [ 67.606035][ T4129] el0t_64_sync+0x1a0/0x1a4 [ 67.607217][ T4129] [ 67.607217][ T4129] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 67.609220][ T4129] __mutex_lock_common+0x194/0x2154 [ 67.610612][ T4129] mutex_lock_nested+0xa4/0xf8 [ 67.611846][ T4129] vhci_send_frame+0x8c/0x10c [ 67.613117][ T4129] hci_send_frame+0x194/0x2f0 [ 67.614582][ T4129] hci_tx_work+0x9ac/0x16cc [ 67.615855][ T4129] process_one_work+0x790/0x11b8 [ 67.617115][ T4129] worker_thread+0x910/0x1034 [ 67.618366][ T4129] kthread+0x37c/0x45c [ 67.619604][ T4129] ret_from_fork+0x10/0x20 [ 67.620811][ T4129] [ 67.620811][ T4129] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 67.623121][ T4129] __flush_work+0xf8/0x1c0 [ 67.624268][ T4129] flush_work+0x24/0x38 [ 67.625424][ T4129] hci_dev_do_close+0x16c/0x1060 [ 67.626814][ T4129] hci_unregister_dev+0x248/0x4d4 [ 67.628204][ T4129] vhci_release+0x74/0xc4 [ 67.629331][ T4129] __fput+0x1c4/0x800 [ 67.630363][ T4129] ____fput+0x20/0x30 [ 67.631431][ T4129] task_work_run+0x130/0x1e4 [ 67.632738][ T4129] do_exit+0x670/0x20bc [ 67.633818][ T4129] do_group_exit+0x110/0x268 [ 67.635120][ T4129] get_signal+0x634/0x1550 [ 67.636468][ T4129] do_notify_resume+0x3d0/0x32b8 [ 67.637708][ T4129] el0_svc+0xfc/0x1f0 [ 67.638802][ T4129] el0t_64_sync_handler+0x84/0xe4 [ 67.640069][ T4129] el0t_64_sync+0x1a0/0x1a4 [ 67.641294][ T4129] [ 67.641294][ T4129] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 67.643102][ T4129] __mutex_lock_common+0x194/0x2154 [ 67.644433][ T4129] mutex_lock_nested+0xa4/0xf8 [ 67.645642][ T4129] bg_scan_update+0x9c/0x470 [ 67.646856][ T4129] process_one_work+0x790/0x11b8 [ 67.648222][ T4129] worker_thread+0x910/0x1034 [ 67.649515][ T4129] kthread+0x37c/0x45c [ 67.650651][ T4129] ret_from_fork+0x10/0x20 [ 67.651923][ T4129] [ 67.651923][ T4129] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 67.654324][ T4129] __lock_acquire+0x32d4/0x7638 [ 67.655607][ T4129] lock_acquire+0x240/0x77c [ 67.656836][ T4129] __flush_work+0xf8/0x1c0 [ 67.658073][ T4129] __cancel_work_timer+0x3ec/0x548 [ 67.659474][ T4129] cancel_work_sync+0x24/0x38 [ 67.660763][ T4129] hci_request_cancel_all+0xcc/0x2d0 [ 67.662039][ T4129] hci_dev_do_close+0x54/0x1060 [ 67.663301][ T4129] hci_rfkill_set_block+0xdc/0x1d0 [ 67.664666][ T4129] rfkill_set_block+0x18c/0x37c [ 67.665971][ T4129] rfkill_fop_write+0x594/0x750 [ 67.667236][ T4129] vfs_write+0x280/0xb44 [ 67.668435][ T4129] ksys_write+0x15c/0x26c [ 67.669640][ T4129] __arm64_sys_write+0x7c/0x90 [ 67.670778][ T4129] invoke_syscall+0x98/0x2b8 [ 67.672021][ T4129] el0_svc_common+0x138/0x258 [ 67.673235][ T4129] do_el0_svc+0x58/0x14c [ 67.674337][ T4129] el0_svc+0x7c/0x1f0 [ 67.675478][ T4129] el0t_64_sync_handler+0x84/0xe4 [ 67.676761][ T4129] el0t_64_sync+0x1a0/0x1a4 [ 67.677881][ T4129] [ 67.677881][ T4129] other info that might help us debug this: [ 67.677881][ T4129] [ 67.680406][ T4129] Chain exists of: [ 67.680406][ T4129] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 67.680406][ T4129] [ 67.684108][ T4129] Possible unsafe locking scenario: [ 67.684108][ T4129] [ 67.685902][ T4129] CPU0 CPU1 [ 67.687271][ T4129] ---- ---- [ 67.688600][ T4129] lock(rfkill_global_mutex); [ 67.689829][ T4129] lock(&data->open_mutex); [ 67.691729][ T4129] lock(rfkill_global_mutex); [ 67.693722][ T4129] lock((work_completion)(&hdev->bg_scan_update)); [ 67.695350][ T4129] [ 67.695350][ T4129] *** DEADLOCK *** [ 67.695350][ T4129] [ 67.697389][ T4129] 1 lock held by syz.0.15/4129: [ 67.698514][ T4129] #0: ffff800016e77268 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 67.701137][ T4129] [ 67.701137][ T4129] stack backtrace: [ 67.702649][ T4129] CPU: 0 PID: 4129 Comm: syz.0.15 Not tainted 5.15.173-syzkaller #0 [ 67.704565][ T4136] Bluetooth: hci0: command 0x040f tx timeout [ 67.704647][ T4129] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 [ 67.708820][ T4129] Call trace: [ 67.709556][ T4129] dump_backtrace+0x0/0x530 [ 67.710796][ T4129] show_stack+0x2c/0x3c [ 67.712031][ T4129] dump_stack_lvl+0x108/0x170 [ 67.713359][ T4129] dump_stack+0x1c/0x58 [ 67.714398][ T4129] print_circular_bug+0x150/0x1b8 [ 67.715814][ T4129] check_noncircular+0x2cc/0x378 [ 67.716992][ T4129] __lock_acquire+0x32d4/0x7638 [ 67.718241][ T4129] lock_acquire+0x240/0x77c [ 67.719333][ T4129] __flush_work+0xf8/0x1c0 [ 67.720350][ T4129] __cancel_work_timer+0x3ec/0x548 [ 67.721562][ T4129] cancel_work_sync+0x24/0x38 [ 67.722679][ T4129] hci_request_cancel_all+0xcc/0x2d0 [ 67.723915][ T4129] hci_dev_do_close+0x54/0x1060 [ 67.725004][ T4129] hci_rfkill_set_block+0xdc/0x1d0 [ 67.726237][ T4129] rfkill_set_block+0x18c/0x37c [ 67.727431][ T4129] rfkill_fop_write+0x594/0x750 [ 67.728660][ T4129] vfs_write+0x280/0xb44 [ 67.729677][ T4129] ksys_write+0x15c/0x26c [ 67.730692][ T4129] __arm64_sys_write+0x7c/0x90 [ 67.731771][ T4129] invoke_syscall+0x98/0x2b8 [ 67.732913][ T4129] el0_svc_common+0x138/0x258 [ 67.734051][ T4129] do_el0_svc+0x58/0x14c [ 67.735060][ T4129] el0_svc+0x7c/0x1f0 [ 67.736045][ T4129] el0t_64_sync_handler+0x84/0xe4 [ 67.737219][ T4129] el0t_64_sync+0x1a0/0x1a4