Warning: Permanently added '10.128.1.92' (ED25519) to the list of known hosts. 1970/01/01 00:00:39 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:00:40 parsed 1 programs [ 42.770241][ T4025] cgroup: Unknown subsys name 'net' [ 43.040856][ T4025] cgroup: Unknown subsys name 'rlimit' [ 43.394464][ T4025] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 53.928933][ T4069] chnl_net:caif_netlink_parms(): no params data found [ 53.973008][ T4069] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.974584][ T4069] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.977181][ T4069] device bridge_slave_0 entered promiscuous mode [ 53.981106][ T4069] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.982621][ T4069] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.984970][ T4069] device bridge_slave_1 entered promiscuous mode [ 54.003232][ T4069] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.006984][ T4069] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.028403][ T4069] team0: Port device team_slave_0 added [ 54.031606][ T4069] team0: Port device team_slave_1 added [ 54.047619][ T4069] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 54.049085][ T4069] 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. [ 54.054268][ T4069] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 54.059034][ T4069] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 54.060541][ T4069] 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. [ 54.065670][ T4069] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 54.117231][ T4069] device hsr_slave_0 entered promiscuous mode [ 54.165324][ T4069] device hsr_slave_1 entered promiscuous mode [ 54.326941][ T4069] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 54.389288][ T4069] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 54.417821][ T4069] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 54.468754][ T4069] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 54.535123][ T4069] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.536746][ T4069] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.538632][ T4069] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.540121][ T4069] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.591746][ T4069] 8021q: adding VLAN 0 to HW filter on device bond0 [ 54.599715][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 54.603597][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.609420][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.611915][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 54.620298][ T4069] 8021q: adding VLAN 0 to HW filter on device team0 [ 54.628576][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 54.631688][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.633160][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.638624][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 54.640497][ T148] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.642029][ T148] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.658456][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 54.660956][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 54.665258][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 54.678926][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 54.684352][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 54.689474][ T4069] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 54.768350][ T4069] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 54.771129][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 54.772902][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 54.790212][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 54.806414][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 54.808896][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 54.810818][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 54.817781][ T4069] device veth0_vlan entered promiscuous mode [ 54.824284][ T4069] device veth1_vlan entered promiscuous mode [ 54.843389][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 54.846039][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 54.848168][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 54.853619][ T4069] device veth0_macvtap entered promiscuous mode [ 54.857933][ T4069] device veth1_macvtap entered promiscuous mode [ 54.871362][ T4069] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 54.872992][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 54.877570][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 54.882926][ T4069] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 54.886537][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 54.890421][ T4069] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.892171][ T4069] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.893921][ T4069] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.896800][ T4069] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.046301][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 55.047913][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 55.050410][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 55.072453][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 55.074175][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 55.077892][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 55.713881][ T302] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:55 executed programs: 0 [ 55.925950][ T4102] chnl_net:caif_netlink_parms(): no params data found [ 55.965484][ T4102] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.967028][ T4102] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.969136][ T4102] device bridge_slave_0 entered promiscuous mode [ 55.972777][ T4102] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.974249][ T4102] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.976699][ T4102] device bridge_slave_1 entered promiscuous mode [ 55.991078][ T4102] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.996216][ T4102] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.010210][ T4102] team0: Port device team_slave_0 added [ 56.013698][ T4102] team0: Port device team_slave_1 added [ 56.036815][ T4102] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 56.038430][ 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. [ 56.043807][ T4102] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 56.047501][ T4102] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 56.048893][ 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. [ 56.054295][ T4102] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 56.107271][ T4102] device hsr_slave_0 entered promiscuous mode [ 56.165406][ T4102] device hsr_slave_1 entered promiscuous mode [ 56.205256][ T4102] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 56.207138][ T4102] Cannot create hsr debugfs directory [ 57.865489][ T4100] Bluetooth: hci0: command 0x0409 tx timeout [ 58.022131][ T302] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 59.945205][ T7] Bluetooth: hci0: command 0x041b tx timeout [ 60.591539][ T302] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 60.663993][ T302] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 61.624850][ T4102] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 61.676866][ T4102] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 61.727814][ T4102] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 61.767516][ T4102] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 61.867699][ T4102] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.874266][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.877431][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.881607][ T4102] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.885947][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.888186][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.890170][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.891544][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.893881][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.899608][ T619] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.901863][ T619] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.903798][ T619] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.905301][ T619] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.910738][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.917547][ T619] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.920952][ T619] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.923608][ T619] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.927549][ T619] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.932873][ T619] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.940122][ T619] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.944669][ T619] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.947424][ T619] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.952618][ T619] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.954765][ T619] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.961754][ T4102] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.028751][ T4100] Bluetooth: hci0: command 0x040f tx timeout [ 62.030151][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.031814][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.039241][ T4102] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.051600][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 62.053830][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 62.068346][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 62.070500][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 62.072779][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 62.074877][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 62.112770][ T4102] device veth0_vlan entered promiscuous mode [ 62.119947][ T4102] device veth1_vlan entered promiscuous mode [ 62.133513][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 62.135744][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 62.137806][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 62.140090][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 62.148897][ T4102] device veth0_macvtap entered promiscuous mode [ 62.153123][ T4102] device veth1_macvtap entered promiscuous mode [ 62.162362][ T4102] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 62.164584][ T4102] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 62.167977][ T4102] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 62.169855][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 62.172120][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 62.174025][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 62.177525][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 62.181738][ T4102] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 62.184117][ T4102] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 62.188861][ T4102] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 62.190766][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 62.193076][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 62.197678][ T4102] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.199390][ T4102] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.201195][ T4102] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.202898][ T4102] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.250159][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 62.251731][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 62.253897][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 62.276315][ T148] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 62.277968][ T148] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 62.280257][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 62.306230][ T4158] [ 62.306742][ T4158] ====================================================== [ 62.308156][ T4158] WARNING: possible circular locking dependency detected [ 62.309480][ T4158] 5.15.171-syzkaller #0 Not tainted [ 62.310562][ T4158] ------------------------------------------------------ [ 62.311988][ T4158] syz.0.15/4158 is trying to acquire lock: [ 62.313158][ T4158] ffff0000d9650c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xd0/0x1c0 [ 62.315294][ T4158] [ 62.315294][ T4158] but task is already holding lock: [ 62.316840][ T4158] ffff800016e86ee8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 62.318862][ T4158] [ 62.318862][ T4158] which lock already depends on the new lock. [ 62.318862][ T4158] [ 62.320838][ T4158] [ 62.320838][ T4158] the existing dependency chain (in reverse order) is: [ 62.322586][ T4158] [ 62.322586][ T4158] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 62.324168][ T4158] __mutex_lock_common+0x194/0x2154 [ 62.325382][ T4158] mutex_lock_nested+0xa4/0xf8 [ 62.326406][ T4158] rfkill_register+0x44/0x7a4 [ 62.327572][ T4158] hci_register_dev+0x3e0/0x880 [ 62.328696][ T4158] vhci_create_device+0x2c4/0x568 [ 62.329760][ T4158] vhci_write+0x318/0x3b8 [ 62.330687][ T4158] vfs_write+0x884/0xb44 [ 62.331660][ T4158] ksys_write+0x15c/0x26c [ 62.332578][ T4158] __arm64_sys_write+0x7c/0x90 [ 62.333614][ T4158] invoke_syscall+0x98/0x2b8 [ 62.334733][ T4158] el0_svc_common+0x138/0x258 [ 62.335775][ T4158] do_el0_svc+0x58/0x14c [ 62.336759][ T4158] el0_svc+0x7c/0x1f0 [ 62.337648][ T4158] el0t_64_sync_handler+0x84/0xe4 [ 62.338805][ T4158] el0t_64_sync+0x1a0/0x1a4 [ 62.339840][ T4158] [ 62.339840][ T4158] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 62.341506][ T4158] __mutex_lock_common+0x194/0x2154 [ 62.342682][ T4158] mutex_lock_nested+0xa4/0xf8 [ 62.343795][ T4158] vhci_send_frame+0x8c/0x10c [ 62.344941][ T4158] hci_send_frame+0x194/0x2f0 [ 62.346115][ T4158] hci_tx_work+0x9ac/0x16cc [ 62.347169][ T4158] process_one_work+0x790/0x11b8 [ 62.348216][ T4158] worker_thread+0x910/0x1034 [ 62.349296][ T4158] kthread+0x37c/0x45c [ 62.350211][ T4158] ret_from_fork+0x10/0x20 [ 62.351317][ T4158] [ 62.351317][ T4158] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 62.353188][ T4158] __flush_work+0xf8/0x1c0 [ 62.354239][ T4158] flush_work+0x24/0x38 [ 62.355299][ T4158] hci_dev_do_close+0x16c/0x1060 [ 62.356424][ T4158] hci_unregister_dev+0x248/0x4d4 [ 62.357550][ T4158] vhci_release+0x74/0xc4 [ 62.358594][ T4158] __fput+0x1c4/0x800 [ 62.359523][ T4158] ____fput+0x20/0x30 [ 62.360463][ T4158] task_work_run+0x130/0x1e4 [ 62.361442][ T4158] do_exit+0x670/0x20bc [ 62.362393][ T4158] do_group_exit+0x110/0x268 [ 62.363410][ T4158] get_signal+0x634/0x1550 [ 62.364393][ T4158] do_notify_resume+0x3d0/0x32b8 [ 62.365496][ T4158] el0_svc+0xfc/0x1f0 [ 62.366444][ T4158] el0t_64_sync_handler+0x84/0xe4 [ 62.367573][ T4158] el0t_64_sync+0x1a0/0x1a4 [ 62.368549][ T4158] [ 62.368549][ T4158] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 62.370185][ T4158] __mutex_lock_common+0x194/0x2154 [ 62.371357][ T4158] mutex_lock_nested+0xa4/0xf8 [ 62.372402][ T4158] bg_scan_update+0x9c/0x470 [ 62.373399][ T4158] process_one_work+0x790/0x11b8 [ 62.374623][ T4158] worker_thread+0x910/0x1034 [ 62.375745][ T4158] kthread+0x37c/0x45c [ 62.376663][ T4158] ret_from_fork+0x10/0x20 [ 62.377688][ T4158] [ 62.377688][ T4158] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 62.379733][ T4158] __lock_acquire+0x32d4/0x7638 [ 62.380901][ T4158] lock_acquire+0x240/0x77c [ 62.381937][ T4158] __flush_work+0xf8/0x1c0 [ 62.382922][ T4158] __cancel_work_timer+0x3ec/0x548 [ 62.383963][ T4158] cancel_work_sync+0x24/0x38 [ 62.384983][ T4158] hci_request_cancel_all+0xcc/0x2d0 [ 62.386263][ T4158] hci_dev_do_close+0x54/0x1060 [ 62.387350][ T4158] hci_rfkill_set_block+0xdc/0x1d0 [ 62.388528][ T4158] rfkill_set_block+0x18c/0x37c [ 62.389656][ T4158] rfkill_fop_write+0x594/0x750 [ 62.390841][ T4158] vfs_write+0x280/0xb44 [ 62.391798][ T4158] ksys_write+0x15c/0x26c [ 62.392814][ T4158] __arm64_sys_write+0x7c/0x90 [ 62.393825][ T4158] invoke_syscall+0x98/0x2b8 [ 62.394891][ T4158] el0_svc_common+0x138/0x258 [ 62.395919][ T4158] do_el0_svc+0x58/0x14c [ 62.396971][ T4158] el0_svc+0x7c/0x1f0 [ 62.397904][ T4158] el0t_64_sync_handler+0x84/0xe4 [ 62.399070][ T4158] el0t_64_sync+0x1a0/0x1a4 [ 62.400086][ T4158] [ 62.400086][ T4158] other info that might help us debug this: [ 62.400086][ T4158] [ 62.402236][ T4158] Chain exists of: [ 62.402236][ T4158] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 62.402236][ T4158] [ 62.405424][ T4158] Possible unsafe locking scenario: [ 62.405424][ T4158] [ 62.407063][ T4158] CPU0 CPU1 [ 62.408181][ T4158] ---- ---- [ 62.409318][ T4158] lock(rfkill_global_mutex); [ 62.410394][ T4158] lock(&data->open_mutex); [ 62.411865][ T4158] lock(rfkill_global_mutex); [ 62.413418][ T4158] lock((work_completion)(&hdev->bg_scan_update)); [ 62.414702][ T4158] [ 62.414702][ T4158] *** DEADLOCK *** [ 62.414702][ T4158] [ 62.416335][ T4158] 1 lock held by syz.0.15/4158: [ 62.417334][ T4158] #0: ffff800016e86ee8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 62.419530][ T4158] [ 62.419530][ T4158] stack backtrace: [ 62.420676][ T4158] CPU: 1 PID: 4158 Comm: syz.0.15 Not tainted 5.15.171-syzkaller #0 [ 62.422375][ T4158] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 62.424391][ T4158] Call trace: [ 62.425042][ T4158] dump_backtrace+0x0/0x530 [ 62.426039][ T4158] show_stack+0x2c/0x3c [ 62.426877][ T4158] dump_stack_lvl+0x108/0x170 [ 62.427794][ T4158] dump_stack+0x1c/0x58 [ 62.428673][ T4158] print_circular_bug+0x150/0x1b8 [ 62.429733][ T4158] check_noncircular+0x2cc/0x378 [ 62.430645][ T4158] __lock_acquire+0x32d4/0x7638 [ 62.431591][ T4158] lock_acquire+0x240/0x77c [ 62.432575][ T4158] __flush_work+0xf8/0x1c0 [ 62.433536][ T4158] __cancel_work_timer+0x3ec/0x548 [ 62.434613][ T4158] cancel_work_sync+0x24/0x38 [ 62.435522][ T4158] hci_request_cancel_all+0xcc/0x2d0 [ 62.436529][ T4158] hci_dev_do_close+0x54/0x1060 [ 62.437467][ T4158] hci_rfkill_set_block+0xdc/0x1d0 [ 62.438514][ T4158] rfkill_set_block+0x18c/0x37c [ 62.439511][ T4158] rfkill_fop_write+0x594/0x750 [ 62.440414][ T4158] vfs_write+0x280/0xb44 [ 62.441224][ T4158] ksys_write+0x15c/0x26c [ 62.442037][ T4158] __arm64_sys_write+0x7c/0x90 [ 62.443065][ T4158] invoke_syscall+0x98/0x2b8 [ 62.444006][ T4158] el0_svc_common+0x138/0x258 [ 62.445016][ T4158] do_el0_svc+0x58/0x14c [ 62.445898][ T4158] el0_svc+0x7c/0x1f0 [ 62.446822][ T4158] el0t_64_sync_handler+0x84/0xe4 [ 62.447879][ T4158] el0t_64_sync+0x1a0/0x1a4