Warning: Permanently added '10.128.1.55' (ED25519) to the list of known hosts. 1970/01/01 00:00:37 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:00:38 parsed 1 programs [ 40.872098][ T4032] cgroup: Unknown subsys name 'net' [ 41.150633][ T4032] cgroup: Unknown subsys name 'rlimit' [ 41.521927][ T4032] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 50.126158][ T4062] chnl_net:caif_netlink_parms(): no params data found [ 50.166475][ T4062] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.168600][ T4062] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.171237][ T4062] device bridge_slave_0 entered promiscuous mode [ 50.175596][ T4062] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.177755][ T4062] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.180376][ T4062] device bridge_slave_1 entered promiscuous mode [ 50.194314][ T4062] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 50.201492][ T4062] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 50.216008][ T4062] team0: Port device team_slave_0 added [ 50.219007][ T4062] team0: Port device team_slave_1 added [ 50.230231][ T4062] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 50.232235][ T4062] 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. [ 50.239517][ T4062] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 50.243718][ T4062] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 50.245822][ T4062] 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. [ 50.252757][ T4062] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 50.327433][ T4062] device hsr_slave_0 entered promiscuous mode [ 50.365688][ T4062] device hsr_slave_1 entered promiscuous mode [ 50.480378][ T4062] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 50.530231][ T4062] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 50.578836][ T4062] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 50.628353][ T4062] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 50.683397][ T4062] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.685525][ T4062] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.687766][ T4062] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.689845][ T4062] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.754037][ T4062] 8021q: adding VLAN 0 to HW filter on device bond0 [ 50.762531][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 50.767131][ T153] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.770221][ T153] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.773422][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 50.782475][ T4062] 8021q: adding VLAN 0 to HW filter on device team0 [ 50.789541][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 50.792387][ T153] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.794429][ T153] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.805862][ T1697] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 50.808454][ T1697] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.810386][ T1697] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.824550][ T4062] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 50.829005][ T4062] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 50.837872][ T1697] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 50.840750][ T1697] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 50.844112][ T1697] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 50.847358][ T1697] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 50.850223][ T1697] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 50.852878][ T1697] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 50.918597][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 50.920831][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 50.927400][ T4062] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 50.938893][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 50.949601][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 50.952884][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 50.956938][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 50.964221][ T4062] device veth0_vlan entered promiscuous mode [ 50.970471][ T4062] device veth1_vlan entered promiscuous mode [ 50.983483][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 50.986615][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 50.989276][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 50.993281][ T4062] device veth0_macvtap entered promiscuous mode [ 50.999328][ T4062] device veth1_macvtap entered promiscuous mode [ 51.010388][ T4062] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 51.012657][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 51.017223][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 51.023868][ T4062] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 51.026440][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 51.037066][ T4062] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.039718][ T4062] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.042035][ T4062] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.044329][ T4062] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.666933][ T153] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 51.669309][ T153] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 51.673592][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 51.689324][ T153] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 51.691540][ T153] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 51.694407][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 52.219801][ T148] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:52 executed programs: 0 [ 52.836312][ T4114] chnl_net:caif_netlink_parms(): no params data found [ 52.866178][ T4114] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.868195][ T4114] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.870752][ T4114] device bridge_slave_0 entered promiscuous mode [ 52.874358][ T4114] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.876733][ T4114] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.879302][ T4114] device bridge_slave_1 entered promiscuous mode [ 52.893980][ T4114] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 52.899061][ T4114] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 52.914586][ T4114] team0: Port device team_slave_0 added [ 52.917844][ T4114] team0: Port device team_slave_1 added [ 52.929146][ T4114] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 52.931088][ T4114] 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. [ 52.938170][ T4114] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 52.942561][ T4114] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 52.944498][ T4114] 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. [ 52.951999][ T4114] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 53.017059][ T4114] device hsr_slave_0 entered promiscuous mode [ 53.055570][ T4114] device hsr_slave_1 entered promiscuous mode [ 53.105549][ T4114] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 53.107944][ T4114] Cannot create hsr debugfs directory [ 54.271081][ T148] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 54.816100][ T4056] Bluetooth: hci0: command 0x0409 tx timeout [ 55.981340][ T148] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 56.032427][ T148] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 56.896087][ T25] Bluetooth: hci0: command 0x041b tx timeout [ 56.941110][ T4114] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 56.967795][ T4114] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 57.007607][ T4114] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 57.047599][ T4114] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 57.138267][ T4114] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.144564][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.147982][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.152468][ T4114] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.159660][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 57.162443][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.165965][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.167897][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.170900][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.204042][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 57.207179][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.209823][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.211922][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.216570][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 57.222007][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 57.227648][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 57.231109][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 57.234077][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 57.242930][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 57.247371][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 57.252785][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 57.255685][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 57.260720][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 57.263747][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 57.272308][ T4114] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 57.343963][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 57.347005][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 57.353672][ T4114] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 57.366629][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 57.369434][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 57.381544][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 57.384418][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 57.387541][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 57.390043][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 57.394220][ T4114] device veth0_vlan entered promiscuous mode [ 57.401554][ T4114] device veth1_vlan entered promiscuous mode [ 57.417888][ T4114] device veth0_macvtap entered promiscuous mode [ 57.420435][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 57.423226][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 57.426256][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 57.429527][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 57.432320][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 57.439305][ T4114] device veth1_macvtap entered promiscuous mode [ 57.449160][ T4114] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 57.452100][ T4114] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 57.458332][ T4114] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 57.460522][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 57.463178][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 57.466159][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 57.470662][ T4114] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 57.473563][ T4114] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 57.477393][ T4114] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 57.479523][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 57.483529][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 57.490979][ T4114] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.493468][ T4114] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.496270][ T4114] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.498667][ T4114] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.532929][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 57.546263][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 57.550347][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 57.553685][ T153] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 57.559373][ T153] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 57.562463][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 57.839243][ T4169] [ 57.839889][ T4169] ====================================================== [ 57.841780][ T4169] WARNING: possible circular locking dependency detected [ 57.843688][ T4169] 5.15.184-syzkaller #0 Not tainted [ 57.845073][ T4169] ------------------------------------------------------ [ 57.847012][ T4169] syz.0.16/4169 is trying to acquire lock: [ 57.848656][ T4169] ffff0000d09dcc28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xcc/0x1bc [ 57.851831][ T4169] [ 57.851831][ T4169] but task is already holding lock: [ 57.853857][ T4169] ffff8000164f7788 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x238/0x5cc [ 57.856558][ T4169] [ 57.856558][ T4169] which lock already depends on the new lock. [ 57.856558][ T4169] [ 57.859459][ T4169] [ 57.859459][ T4169] the existing dependency chain (in reverse order) is: [ 57.861932][ T4169] [ 57.861932][ T4169] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 57.864296][ T4169] __mutex_lock_common+0x194/0x1edc [ 57.865877][ T4169] mutex_lock_nested+0xac/0x11c [ 57.867438][ T4169] rfkill_register+0x44/0x77c [ 57.868946][ T4169] hci_register_dev+0x3d8/0x854 [ 57.870483][ T4169] vhci_create_device+0x2bc/0x564 [ 57.872089][ T4169] vhci_write+0x30c/0x3ac [ 57.873393][ T4169] vfs_write+0x7c8/0xa2c [ 57.874729][ T4169] ksys_write+0x120/0x210 [ 57.876101][ T4169] __arm64_sys_write+0x7c/0x90 [ 57.877626][ T4169] invoke_syscall+0x98/0x2b8 [ 57.879067][ T4169] el0_svc_common+0x138/0x258 [ 57.880507][ T4169] do_el0_svc+0x58/0x14c [ 57.881830][ T4169] el0_svc+0x78/0x1e0 [ 57.883110][ T4169] el0t_64_sync_handler+0xcc/0xe4 [ 57.884679][ T4169] el0t_64_sync+0x1a0/0x1a4 [ 57.886163][ T4169] [ 57.886163][ T4169] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 57.888421][ T4169] __mutex_lock_common+0x194/0x1edc [ 57.890055][ T4169] mutex_lock_nested+0xac/0x11c [ 57.891572][ T4169] vhci_send_frame+0x88/0x118 [ 57.893048][ T4169] hci_send_frame+0x194/0x2f0 [ 57.894503][ T4169] hci_tx_work+0x7e4/0x1394 [ 57.895889][ T4169] process_one_work+0x79c/0x1140 [ 57.897454][ T4169] worker_thread+0x8f4/0x101c [ 57.898907][ T4169] kthread+0x374/0x454 [ 57.900208][ T4169] ret_from_fork+0x10/0x20 [ 57.901535][ T4169] [ 57.901535][ T4169] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 57.904245][ T4169] __flush_work+0xf4/0x1bc [ 57.905628][ T4169] flush_work+0x24/0x38 [ 57.906953][ T4169] hci_dev_do_close+0x164/0x105c [ 57.908470][ T4169] hci_unregister_dev+0x23c/0x4c0 [ 57.910043][ T4169] vhci_release+0x74/0xc4 [ 57.911389][ T4169] __fput+0x1c0/0x7f8 [ 57.912670][ T4169] ____fput+0x20/0x30 [ 57.913916][ T4169] task_work_run+0x12c/0x1e0 [ 57.915358][ T4169] do_exit+0x67c/0x1f58 [ 57.916617][ T4169] do_group_exit+0x100/0x268 [ 57.918139][ T4169] get_signal+0x73c/0x1340 [ 57.919516][ T4169] do_notify_resume+0x35c/0x3128 [ 57.921063][ T4169] el0_svc+0xf0/0x1e0 [ 57.922328][ T4169] el0t_64_sync_handler+0xcc/0xe4 [ 57.924006][ T4169] el0t_64_sync+0x1a0/0x1a4 [ 57.925371][ T4169] [ 57.925371][ T4169] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 57.927485][ T4169] __mutex_lock_common+0x194/0x1edc [ 57.929060][ T4169] mutex_lock_nested+0xac/0x11c [ 57.930589][ T4169] bg_scan_update+0x48/0x3d0 [ 57.932163][ T4169] process_one_work+0x79c/0x1140 [ 57.933682][ T4169] worker_thread+0x8f4/0x101c [ 57.935143][ T4169] kthread+0x374/0x454 [ 57.936364][ T4169] ret_from_fork+0x10/0x20 [ 57.937717][ T4169] [ 57.937717][ T4169] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 57.940454][ T4169] __lock_acquire+0x2928/0x651c [ 57.941926][ T4169] lock_acquire+0x1f4/0x620 [ 57.943450][ T4169] __flush_work+0xf4/0x1bc [ 57.944861][ T4169] __cancel_work_timer+0x2ec/0x448 [ 57.946489][ T4169] cancel_work_sync+0x24/0x38 [ 57.948002][ T4169] hci_request_cancel_all+0xbc/0x2d0 [ 57.949680][ T4169] hci_dev_do_close+0x54/0x105c [ 57.951194][ T4169] hci_rfkill_set_block+0xdc/0x1d0 [ 57.952821][ T4169] rfkill_set_block+0x18c/0x374 [ 57.954312][ T4169] rfkill_fop_write+0x4a4/0x5cc [ 57.955798][ T4169] vfs_write+0x280/0xa2c [ 57.957127][ T4169] ksys_write+0x120/0x210 [ 57.958492][ T4169] __arm64_sys_write+0x7c/0x90 [ 57.959966][ T4169] invoke_syscall+0x98/0x2b8 [ 57.961433][ T4169] el0_svc_common+0x138/0x258 [ 57.962844][ T4169] do_el0_svc+0x58/0x14c [ 57.964235][ T4169] el0_svc+0x78/0x1e0 [ 57.965521][ T4169] el0t_64_sync_handler+0xcc/0xe4 [ 57.967103][ T4169] el0t_64_sync+0x1a0/0x1a4 [ 57.968563][ T4169] [ 57.968563][ T4169] other info that might help us debug this: [ 57.968563][ T4169] [ 57.971409][ T4169] Chain exists of: [ 57.971409][ T4169] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 57.971409][ T4169] [ 57.975937][ T4169] Possible unsafe locking scenario: [ 57.975937][ T4169] [ 57.978013][ T4169] CPU0 CPU1 [ 57.979489][ T4169] ---- ---- [ 57.980943][ T4169] lock(rfkill_global_mutex); [ 57.982247][ T4169] lock(&data->open_mutex); [ 57.984238][ T4169] lock(rfkill_global_mutex); [ 57.986321][ T4169] lock((work_completion)(&hdev->bg_scan_update)); [ 57.988160][ T4169] [ 57.988160][ T4169] *** DEADLOCK *** [ 57.988160][ T4169] [ 57.990397][ T4169] 1 lock held by syz.0.16/4169: [ 57.991757][ T4169] #0: ffff8000164f7788 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x238/0x5cc [ 57.994601][ T4169] [ 57.994601][ T4169] stack backtrace: [ 57.996196][ T4169] CPU: 0 PID: 4169 Comm: syz.0.16 Not tainted 5.15.184-syzkaller #0 [ 57.998408][ T4169] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 58.001246][ T4169] Call trace: [ 58.002117][ T4169] dump_backtrace+0x0/0x43c [ 58.003381][ T4169] show_stack+0x2c/0x3c [ 58.004588][ T4169] __dump_stack+0x30/0x40 [ 58.005788][ T4169] dump_stack_lvl+0xf8/0x160 [ 58.007067][ T4169] dump_stack+0x1c/0x5c [ 58.008202][ T4169] print_circular_bug+0x148/0x1b0 [ 58.009595][ T4169] check_noncircular+0x240/0x2d4 [ 58.010958][ T4169] __lock_acquire+0x2928/0x651c [ 58.012307][ T4169] lock_acquire+0x1f4/0x620 [ 58.013585][ T4169] __flush_work+0xf4/0x1bc [ 58.014827][ T4169] __cancel_work_timer+0x2ec/0x448 [ 58.016223][ T4169] cancel_work_sync+0x24/0x38 [ 58.017494][ T4169] hci_request_cancel_all+0xbc/0x2d0 [ 58.018962][ T4169] hci_dev_do_close+0x54/0x105c [ 58.020248][ T4169] hci_rfkill_set_block+0xdc/0x1d0 [ 58.021640][ T4169] rfkill_set_block+0x18c/0x374 [ 58.023035][ T4169] rfkill_fop_write+0x4a4/0x5cc [ 58.024369][ T4169] vfs_write+0x280/0xa2c [ 58.025538][ T4169] ksys_write+0x120/0x210 [ 58.026776][ T4169] __arm64_sys_write+0x7c/0x90 [ 58.028063][ T4169] invoke_syscall+0x98/0x2b8 [ 58.029355][ T4169] el0_svc_common+0x138/0x258 [ 58.030636][ T4169] do_el0_svc+0x58/0x14c [ 58.031789][ T4169] el0_svc+0x78/0x1e0 [ 58.032863][ T4169] el0t_64_sync_handler+0xcc/0xe4 [ 58.034249][ T4169] el0t_64_sync+0x1a0/0x1a4