Warning: Permanently added '10.128.1.195' (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 [ 41.467529][ T4022] cgroup: Unknown subsys name 'net' [ 41.718289][ T4022] cgroup: Unknown subsys name 'rlimit' [ 42.041439][ T4022] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 50.554662][ T153] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 50.556513][ T153] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 50.559074][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 50.578617][ T148] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 50.580364][ T148] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 50.582850][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 51.335410][ T4078] chnl_net:caif_netlink_parms(): no params data found [ 51.377169][ T4078] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.378855][ T4078] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.382069][ T4078] device bridge_slave_0 entered promiscuous mode [ 51.386630][ T4078] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.388259][ T4078] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.390591][ T4078] device bridge_slave_1 entered promiscuous mode [ 51.410481][ T4078] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 51.416532][ T4078] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 51.433183][ T4078] team0: Port device team_slave_0 added [ 51.436154][ T4078] team0: Port device team_slave_1 added [ 51.450168][ T4078] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 51.451745][ T4078] 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. [ 51.457242][ T4078] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 51.461245][ T4078] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 51.462818][ T4078] 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. [ 51.468220][ T4078] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 51.534600][ T4078] device hsr_slave_0 entered promiscuous mode [ 51.574146][ T4078] device hsr_slave_1 entered promiscuous mode [ 51.703577][ T4078] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 51.756412][ T4078] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 51.805148][ T4078] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 51.845565][ T4078] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 51.959469][ T4078] 8021q: adding VLAN 0 to HW filter on device bond0 [ 51.967953][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 51.970553][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 51.975820][ T4078] 8021q: adding VLAN 0 to HW filter on device team0 [ 51.984008][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 51.986366][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 51.988979][ T153] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.990755][ T153] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.994766][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 51.998789][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 52.001153][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 52.004963][ T153] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.006681][ T153] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.014160][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 52.016705][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 52.021763][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 52.025104][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 52.027383][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 52.036068][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 52.038653][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 52.043813][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 52.046100][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 52.051395][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 52.055369][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 52.060209][ T4078] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 52.136130][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 52.137790][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 52.144971][ T4078] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 52.158813][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 52.171726][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 52.175329][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 52.177779][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 52.182002][ T4078] device veth0_vlan entered promiscuous mode [ 52.189902][ T4078] device veth1_vlan entered promiscuous mode [ 52.206039][ T1597] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 52.208232][ T1597] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 52.210778][ T1597] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 52.216575][ T4078] device veth0_macvtap entered promiscuous mode [ 52.221170][ T4078] device veth1_macvtap entered promiscuous mode [ 52.233942][ T4078] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 52.237079][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 52.239507][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 52.241838][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 52.248036][ T4078] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 52.250532][ T1597] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 52.252946][ T1597] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 52.258833][ T4078] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.260937][ T4078] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.264429][ T4078] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.266444][ T4078] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:52 executed programs: 0 [ 52.964708][ T4115] chnl_net:caif_netlink_parms(): no params data found [ 53.003779][ T4115] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.005502][ T4115] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.007867][ T4115] device bridge_slave_0 entered promiscuous mode [ 53.011060][ T4115] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.012684][ T4115] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.015120][ T4115] device bridge_slave_1 entered promiscuous mode [ 53.034483][ T4115] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 53.038448][ T4115] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 53.053496][ T4115] team0: Port device team_slave_0 added [ 53.056307][ T4115] team0: Port device team_slave_1 added [ 53.072032][ T4115] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 53.073792][ T4115] 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. [ 53.079457][ T4115] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 53.085364][ T4115] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 53.086942][ T4115] 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. [ 53.093053][ T4115] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 53.144751][ T4115] device hsr_slave_0 entered promiscuous mode [ 53.192693][ T4115] device hsr_slave_1 entered promiscuous mode [ 53.242470][ T4115] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 53.244431][ T4115] Cannot create hsr debugfs directory [ 53.339283][ T4115] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 54.903400][ T3604] Bluetooth: hci0: command 0x0409 tx timeout [ 55.779785][ T4115] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 56.992538][ T3604] Bluetooth: hci0: command 0x041b tx timeout [ 57.399272][ T4115] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 57.465411][ T4115] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 57.657571][ T4115] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 57.724900][ T4115] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 57.774580][ T4115] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 57.814577][ T4115] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 57.946080][ T4115] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.955087][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.957121][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.963961][ T4115] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.968568][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 57.970916][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.975502][ T148] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.977051][ T148] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.979292][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.985531][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 57.988041][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.990131][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.991550][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.008040][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.010517][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.013287][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.016319][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.018593][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.021307][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.030403][ T4115] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 58.033690][ T4115] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 58.037824][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.040255][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.044143][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.046626][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.048983][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.051687][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.128839][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.130613][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.139546][ T4115] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.156580][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 58.158957][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 58.172900][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 58.175261][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 58.177798][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 58.180390][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 58.188013][ T4115] device veth0_vlan entered promiscuous mode [ 58.197287][ T4115] device veth1_vlan entered promiscuous mode [ 58.216992][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 58.219423][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 58.221541][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 58.224174][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 58.228908][ T4115] device veth0_macvtap entered promiscuous mode [ 58.234800][ T4115] device veth1_macvtap entered promiscuous mode [ 58.247044][ T4115] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 58.249387][ T4115] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 58.254170][ T4115] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 58.256067][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 58.258579][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 58.260946][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 58.268456][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 58.273915][ T4115] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 58.276222][ T4115] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 58.279229][ T4115] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 58.280814][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 58.283446][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 58.288750][ T4115] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.290780][ T4115] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.293489][ T4115] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.295317][ T4115] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.334356][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 58.336076][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 58.338683][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 58.361261][ T153] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 58.363122][ T153] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 58.366968][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 58.491558][ T4127] [ 58.492212][ T4127] ====================================================== [ 58.493790][ T4127] WARNING: possible circular locking dependency detected [ 58.495261][ T4127] 5.15.169-syzkaller #0 Not tainted [ 58.496375][ T4127] ------------------------------------------------------ [ 58.497908][ T4127] syz.0.15/4127 is trying to acquire lock: [ 58.499104][ T4127] ffff0000db230c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xd0/0x1c0 [ 58.501627][ T4127] [ 58.501627][ T4127] but task is already holding lock: [ 58.503284][ T4127] ffff800016e66da8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 58.505415][ T4127] [ 58.505415][ T4127] which lock already depends on the new lock. [ 58.505415][ T4127] [ 58.507688][ T4127] [ 58.507688][ T4127] the existing dependency chain (in reverse order) is: [ 58.509611][ T4127] [ 58.509611][ T4127] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 58.511349][ T4127] __mutex_lock_common+0x194/0x2154 [ 58.512504][ T4127] mutex_lock_nested+0xa4/0xf8 [ 58.513607][ T4127] rfkill_register+0x44/0x7a4 [ 58.514707][ T4127] hci_register_dev+0x3e0/0x880 [ 58.516034][ T4127] vhci_create_device+0x2c4/0x568 [ 58.517230][ T4127] vhci_write+0x318/0x3b8 [ 58.518301][ T4127] vfs_write+0x884/0xb44 [ 58.519422][ T4127] ksys_write+0x15c/0x26c [ 58.520493][ T4127] __arm64_sys_write+0x7c/0x90 [ 58.521662][ T4127] invoke_syscall+0x98/0x2b8 [ 58.522746][ T4127] el0_svc_common+0x138/0x258 [ 58.523803][ T4127] do_el0_svc+0x58/0x14c [ 58.524779][ T4127] el0_svc+0x7c/0x1f0 [ 58.525831][ T4127] el0t_64_sync_handler+0x84/0xe4 [ 58.527273][ T4127] el0t_64_sync+0x1a0/0x1a4 [ 58.528387][ T4127] [ 58.528387][ T4127] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 58.530110][ T4127] __mutex_lock_common+0x194/0x2154 [ 58.531342][ T4127] mutex_lock_nested+0xa4/0xf8 [ 58.532540][ T4127] vhci_send_frame+0x8c/0x10c [ 58.533720][ T4127] hci_send_frame+0x194/0x2f0 [ 58.534906][ T4127] hci_tx_work+0x9ac/0x16cc [ 58.535977][ T4127] process_one_work+0x790/0x11b8 [ 58.537299][ T4127] worker_thread+0x910/0x1034 [ 58.538656][ T4127] kthread+0x37c/0x45c [ 58.539750][ T4127] ret_from_fork+0x10/0x20 [ 58.540830][ T4127] [ 58.540830][ T4127] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 58.542996][ T4127] __flush_work+0xf8/0x1c0 [ 58.543976][ T4127] flush_work+0x24/0x38 [ 58.545046][ T4127] hci_dev_do_close+0x16c/0x1060 [ 58.546135][ T4127] hci_unregister_dev+0x248/0x4d4 [ 58.547353][ T4127] vhci_release+0x74/0xc4 [ 58.548449][ T4127] __fput+0x1c4/0x800 [ 58.549348][ T4127] ____fput+0x20/0x30 [ 58.550360][ T4127] task_work_run+0x130/0x1e4 [ 58.551438][ T4127] do_exit+0x670/0x20bc [ 58.552418][ T4127] do_group_exit+0x110/0x268 [ 58.553525][ T4127] get_signal+0x634/0x1550 [ 58.554595][ T4127] do_notify_resume+0x3d0/0x32b8 [ 58.555711][ T4127] el0_svc+0xfc/0x1f0 [ 58.556640][ T4127] el0t_64_sync_handler+0x84/0xe4 [ 58.557698][ T4127] el0t_64_sync+0x1a0/0x1a4 [ 58.558896][ T4127] [ 58.558896][ T4127] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 58.560533][ T4127] __mutex_lock_common+0x194/0x2154 [ 58.561732][ T4127] mutex_lock_nested+0xa4/0xf8 [ 58.563083][ T4127] bg_scan_update+0x9c/0x470 [ 58.564420][ T4127] process_one_work+0x790/0x11b8 [ 58.565631][ T4127] worker_thread+0x910/0x1034 [ 58.566757][ T4127] kthread+0x37c/0x45c [ 58.567680][ T4127] ret_from_fork+0x10/0x20 [ 58.568689][ T4127] [ 58.568689][ T4127] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 58.570749][ T4127] __lock_acquire+0x32d4/0x7638 [ 58.571937][ T4127] lock_acquire+0x240/0x77c [ 58.573078][ T4127] __flush_work+0xf8/0x1c0 [ 58.574188][ T4127] __cancel_work_timer+0x3ec/0x548 [ 58.575474][ T4127] cancel_work_sync+0x24/0x38 [ 58.576677][ T4127] hci_request_cancel_all+0xcc/0x2d0 [ 58.577829][ T4127] hci_dev_do_close+0x54/0x1060 [ 58.579145][ T4127] hci_rfkill_set_block+0xdc/0x1d0 [ 58.580300][ T4127] rfkill_set_block+0x18c/0x37c [ 58.581335][ T4127] rfkill_fop_write+0x594/0x750 [ 58.582565][ T4127] vfs_write+0x280/0xb44 [ 58.583688][ T4127] ksys_write+0x15c/0x26c [ 58.584761][ T4127] __arm64_sys_write+0x7c/0x90 [ 58.586020][ T4127] invoke_syscall+0x98/0x2b8 [ 58.587058][ T4127] el0_svc_common+0x138/0x258 [ 58.588209][ T4127] do_el0_svc+0x58/0x14c [ 58.589194][ T4127] el0_svc+0x7c/0x1f0 [ 58.590099][ T4127] el0t_64_sync_handler+0x84/0xe4 [ 58.591310][ T4127] el0t_64_sync+0x1a0/0x1a4 [ 58.592515][ T4127] [ 58.592515][ T4127] other info that might help us debug this: [ 58.592515][ T4127] [ 58.594748][ T4127] Chain exists of: [ 58.594748][ T4127] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 58.594748][ T4127] [ 58.598021][ T4127] Possible unsafe locking scenario: [ 58.598021][ T4127] [ 58.599637][ T4127] CPU0 CPU1 [ 58.600915][ T4127] ---- ---- [ 58.602219][ T4127] lock(rfkill_global_mutex); [ 58.603252][ T4127] lock(&data->open_mutex); [ 58.604758][ T4127] lock(rfkill_global_mutex); [ 58.606252][ T4127] lock((work_completion)(&hdev->bg_scan_update)); [ 58.607691][ T4127] [ 58.607691][ T4127] *** DEADLOCK *** [ 58.607691][ T4127] [ 58.609394][ T4127] 1 lock held by syz.0.15/4127: [ 58.610448][ T4127] #0: ffff800016e66da8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 58.612755][ T4127] [ 58.612755][ T4127] stack backtrace: [ 58.613949][ T4127] CPU: 0 PID: 4127 Comm: syz.0.15 Not tainted 5.15.169-syzkaller #0 [ 58.615582][ T4127] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 58.617953][ T4127] Call trace: [ 58.618584][ T4127] dump_backtrace+0x0/0x530 [ 58.619535][ T4127] show_stack+0x2c/0x3c [ 58.620476][ T4127] dump_stack_lvl+0x108/0x170 [ 58.621436][ T4127] dump_stack+0x1c/0x58 [ 58.622287][ T4127] print_circular_bug+0x150/0x1b8 [ 58.623275][ T4127] check_noncircular+0x2cc/0x378 [ 58.624327][ T4127] __lock_acquire+0x32d4/0x7638 [ 58.625410][ T4127] lock_acquire+0x240/0x77c [ 58.626336][ T4127] __flush_work+0xf8/0x1c0 [ 58.627336][ T4127] __cancel_work_timer+0x3ec/0x548 [ 58.628508][ T4127] cancel_work_sync+0x24/0x38 [ 58.629509][ T4127] hci_request_cancel_all+0xcc/0x2d0 [ 58.630700][ T4127] hci_dev_do_close+0x54/0x1060 [ 58.631956][ T4127] hci_rfkill_set_block+0xdc/0x1d0 [ 58.633083][ T4127] rfkill_set_block+0x18c/0x37c [ 58.634051][ T4127] rfkill_fop_write+0x594/0x750 [ 58.635062][ T4127] vfs_write+0x280/0xb44 [ 58.636131][ T4127] ksys_write+0x15c/0x26c [ 58.637014][ T4127] __arm64_sys_write+0x7c/0x90 [ 58.637993][ T4127] invoke_syscall+0x98/0x2b8 [ 58.638999][ T4127] el0_svc_common+0x138/0x258 [ 58.640116][ T4127] do_el0_svc+0x58/0x14c [ 58.641059][ T4127] el0_svc+0x7c/0x1f0 [ 58.641833][ T4127] el0t_64_sync_handler+0x84/0xe4 [ 58.642936][ T4127] el0t_64_sync+0x1a0/0x1a4