Warning: Permanently added '10.128.1.66' (ED25519) to the list of known hosts. 1970/01/01 00:00:43 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:00:44 parsed 1 programs [ 46.536383][ T4040] cgroup: Unknown subsys name 'net' [ 46.754449][ T4040] cgroup: Unknown subsys name 'rlimit' [ 47.121543][ T4040] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 55.143487][ T148] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 55.144756][ T148] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 55.146708][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 55.164488][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 55.165651][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 55.167312][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 55.988820][ T4093] chnl_net:caif_netlink_parms(): no params data found [ 56.027329][ T4093] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.028437][ T4093] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.030229][ T4093] device bridge_slave_0 entered promiscuous mode [ 56.033870][ T4093] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.035024][ T4093] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.036908][ T4093] device bridge_slave_1 entered promiscuous mode [ 56.054234][ T4093] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.057636][ T4093] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.073996][ T4093] team0: Port device team_slave_0 added [ 56.076820][ T4093] team0: Port device team_slave_1 added [ 56.090783][ T4093] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 56.091822][ T4093] 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. [ 56.095532][ T4093] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 56.098987][ T4093] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 56.100040][ T4093] 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. [ 56.103839][ T4093] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 56.172079][ T4093] device hsr_slave_0 entered promiscuous mode [ 56.209985][ T4093] device hsr_slave_1 entered promiscuous mode [ 56.395179][ T4093] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 56.440652][ T4093] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 56.501746][ T4093] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 56.540634][ T4093] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 56.643925][ T4093] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.651638][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.653707][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.658850][ T4093] 8021q: adding VLAN 0 to HW filter on device team0 [ 56.662681][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 56.664388][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.666330][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.667501][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.670219][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 56.674372][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 56.676138][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.677618][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.678689][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.684683][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 56.691194][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 56.702677][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 56.705101][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 56.706926][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 56.710480][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 56.713201][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 56.716545][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 56.720717][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 56.724919][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 56.726777][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 56.730931][ T4093] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 56.756793][ T1598] ODEBUG: Out of memory. ODEBUG disabled [ 56.815456][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 56.816711][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 56.823263][ T4093] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 56.833250][ T1599] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 56.843120][ T1599] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 56.845289][ T1599] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 56.846708][ T1599] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 56.851405][ T4093] device veth0_vlan entered promiscuous mode [ 56.856531][ T4093] device veth1_vlan entered promiscuous mode [ 56.871048][ T4093] device veth0_macvtap entered promiscuous mode [ 56.873388][ T1599] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 56.875008][ T1599] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 56.876617][ T1599] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 56.878922][ T1599] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 56.881908][ T4093] device veth1_macvtap entered promiscuous mode [ 56.891907][ T4093] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 56.893434][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 56.895073][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 56.899452][ T4093] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 56.900627][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 56.902089][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 56.906074][ T4093] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.907566][ T4093] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.909858][ T4093] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.911208][ T4093] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:57 executed programs: 0 [ 57.588964][ T4144] chnl_net:caif_netlink_parms(): no params data found [ 57.620944][ T4144] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.622110][ T4144] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.623823][ T4144] device bridge_slave_0 entered promiscuous mode [ 57.626458][ T4144] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.627709][ T4144] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.631244][ T4144] device bridge_slave_1 entered promiscuous mode [ 57.647144][ T4144] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.650597][ T4144] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.664245][ T4144] team0: Port device team_slave_0 added [ 57.666669][ T4144] team0: Port device team_slave_1 added [ 57.678928][ T4144] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 57.680247][ T4144] 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. [ 57.683850][ T4144] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 57.686637][ T4144] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 57.687678][ T4144] 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. [ 57.691878][ T4144] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 57.740212][ T4144] device hsr_slave_0 entered promiscuous mode [ 57.798546][ T4144] device hsr_slave_1 entered promiscuous mode [ 57.849056][ T4144] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 57.850463][ T4144] Cannot create hsr debugfs directory [ 57.930543][ T4144] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 59.548922][ T4141] Bluetooth: hci0: command 0x0409 tx timeout [ 60.125274][ T4144] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 61.628853][ T4057] Bluetooth: hci0: command 0x041b tx timeout [ 62.225824][ T4144] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 62.305716][ T4144] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 62.486404][ T4144] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 62.542839][ T4144] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 62.640035][ T4144] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 62.680031][ T4144] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 62.772910][ T4144] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.779497][ T1599] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.781098][ T1599] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.785745][ T4144] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.791284][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.793057][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.794638][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.795663][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.797101][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.802215][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.804145][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.806005][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.807102][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.815675][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.817691][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.823567][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.825995][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.827872][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.841195][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.843325][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.851876][ T4144] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 62.853528][ T4144] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 62.857371][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.860430][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.862409][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.864527][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.866232][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.951987][ T1599] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.953240][ T1599] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.958885][ T4144] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.969592][ T1599] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 62.971399][ T1599] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 62.981506][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 62.983223][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 62.985378][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 62.986880][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 62.992127][ T4144] device veth0_vlan entered promiscuous mode [ 62.998915][ T4144] device veth1_vlan entered promiscuous mode [ 63.011689][ T1599] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 63.013363][ T1599] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 63.014918][ T1599] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 63.016542][ T1599] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 63.022903][ T4144] device veth0_macvtap entered promiscuous mode [ 63.026204][ T4144] device veth1_macvtap entered promiscuous mode [ 63.035430][ T4144] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 63.037130][ T4144] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 63.039988][ T4144] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 63.041194][ T1599] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 63.043105][ T1599] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 63.044795][ T1599] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 63.046399][ T1599] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 63.055077][ T4144] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 63.056721][ T4144] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 63.060749][ T4144] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 63.064003][ T4144] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.065379][ T4144] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.066761][ T4144] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.068021][ T4144] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.071384][ T1599] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 63.073224][ T1599] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 63.107179][ T1599] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 63.108713][ T1599] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 63.111927][ T1599] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 63.130111][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 63.131406][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 63.133422][ T1599] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 63.209112][ T4163] [ 63.209504][ T4163] ====================================================== [ 63.210558][ T4163] WARNING: possible circular locking dependency detected [ 63.211676][ T4163] 5.15.189-syzkaller #0 Not tainted [ 63.212486][ T4163] ------------------------------------------------------ [ 63.213485][ T4163] syz.0.17/4163 is trying to acquire lock: [ 63.214406][ T4163] ffff0000ce7d8c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xcc/0x1bc [ 63.216157][ T4163] [ 63.216157][ T4163] but task is already holding lock: [ 63.217144][ T4163] ffff80001651bc28 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x238/0x5cc [ 63.218558][ T4163] [ 63.218558][ T4163] which lock already depends on the new lock. [ 63.218558][ T4163] [ 63.220121][ T4163] [ 63.220121][ T4163] the existing dependency chain (in reverse order) is: [ 63.221502][ T4163] [ 63.221502][ T4163] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 63.222784][ T4163] __mutex_lock_common+0x194/0x1edc [ 63.223766][ T4163] mutex_lock_nested+0xac/0x11c [ 63.224673][ T4163] rfkill_register+0x44/0x77c [ 63.225435][ T4163] hci_register_dev+0x3d8/0x854 [ 63.226366][ T4163] vhci_create_device+0x2bc/0x564 [ 63.227235][ T4163] vhci_write+0x30c/0x3ac [ 63.227917][ T4163] vfs_write+0x7c8/0xa2c [ 63.228696][ T4163] ksys_write+0x120/0x210 [ 63.229429][ T4163] __arm64_sys_write+0x7c/0x90 [ 63.230241][ T4163] invoke_syscall+0x98/0x2b8 [ 63.231016][ T4163] el0_svc_common+0x138/0x258 [ 63.231798][ T4163] do_el0_svc+0x58/0x14c [ 63.232469][ T4163] el0_svc+0x78/0x1e0 [ 63.233300][ T4163] el0t_64_sync_handler+0xcc/0xe4 [ 63.234164][ T4163] el0t_64_sync+0x1a0/0x1a4 [ 63.235009][ T4163] [ 63.235009][ T4163] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 63.236183][ T4163] __mutex_lock_common+0x194/0x1edc [ 63.237060][ T4163] mutex_lock_nested+0xac/0x11c [ 63.237888][ T4163] vhci_send_frame+0x88/0x118 [ 63.238649][ T4163] hci_send_frame+0x194/0x2f0 [ 63.239422][ T4163] hci_tx_work+0x7e4/0x1394 [ 63.240161][ T4163] process_one_work+0x79c/0x1140 [ 63.241041][ T4163] worker_thread+0x8f4/0x101c [ 63.241887][ T4163] kthread+0x374/0x454 [ 63.242595][ T4163] ret_from_fork+0x10/0x20 [ 63.243430][ T4163] [ 63.243430][ T4163] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 63.244999][ T4163] __flush_work+0xf4/0x1bc [ 63.245777][ T4163] flush_work+0x24/0x38 [ 63.246487][ T4163] hci_dev_do_close+0x164/0x105c [ 63.247419][ T4163] hci_unregister_dev+0x23c/0x4c0 [ 63.248418][ T4163] vhci_release+0x74/0xc4 [ 63.249198][ T4163] __fput+0x1c0/0x7f8 [ 63.249932][ T4163] ____fput+0x20/0x30 [ 63.250607][ T4163] task_work_run+0x12c/0x1e0 [ 63.251402][ T4163] do_exit+0x684/0x1f58 [ 63.252098][ T4163] do_group_exit+0x100/0x268 [ 63.252920][ T4163] get_signal+0x73c/0x1340 [ 63.253627][ T4163] do_notify_resume+0x35c/0x3128 [ 63.254548][ T4163] el0_svc+0xf0/0x1e0 [ 63.255199][ T4163] el0t_64_sync_handler+0xcc/0xe4 [ 63.256054][ T4163] el0t_64_sync+0x1a0/0x1a4 [ 63.256795][ T4163] [ 63.256795][ T4163] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 63.258087][ T4163] __mutex_lock_common+0x194/0x1edc [ 63.259080][ T4163] mutex_lock_nested+0xac/0x11c [ 63.259980][ T4163] bg_scan_update+0x48/0x3d0 [ 63.260831][ T4163] process_one_work+0x79c/0x1140 [ 63.261663][ T4163] worker_thread+0x8f4/0x101c [ 63.262504][ T4163] kthread+0x374/0x454 [ 63.263168][ T4163] ret_from_fork+0x10/0x20 [ 63.264008][ T4163] [ 63.264008][ T4163] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 63.265621][ T4163] __lock_acquire+0x2928/0x651c [ 63.266426][ T4163] lock_acquire+0x1f4/0x620 [ 63.267265][ T4163] __flush_work+0xf4/0x1bc [ 63.267979][ T4163] __cancel_work_timer+0x2ec/0x448 [ 63.268873][ T4163] cancel_work_sync+0x24/0x38 [ 63.269609][ T4163] hci_request_cancel_all+0xbc/0x2d0 [ 63.270559][ T4163] hci_dev_do_close+0x54/0x105c [ 63.271397][ T4163] hci_rfkill_set_block+0xdc/0x1d0 [ 63.272224][ T4163] rfkill_set_block+0x18c/0x374 [ 63.273074][ T4163] rfkill_fop_write+0x4a4/0x5cc [ 63.273942][ T4163] vfs_write+0x280/0xa2c [ 63.274711][ T4163] ksys_write+0x120/0x210 [ 63.275458][ T4163] __arm64_sys_write+0x7c/0x90 [ 63.276229][ T4163] invoke_syscall+0x98/0x2b8 [ 63.277046][ T4163] el0_svc_common+0x138/0x258 [ 63.277854][ T4163] do_el0_svc+0x58/0x14c [ 63.278538][ T4163] el0_svc+0x78/0x1e0 [ 63.279206][ T4163] el0t_64_sync_handler+0xcc/0xe4 [ 63.280136][ T4163] el0t_64_sync+0x1a0/0x1a4 [ 63.280929][ T4163] [ 63.280929][ T4163] other info that might help us debug this: [ 63.280929][ T4163] [ 63.282408][ T4163] Chain exists of: [ 63.282408][ T4163] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 63.282408][ T4163] [ 63.284797][ T4163] Possible unsafe locking scenario: [ 63.284797][ T4163] [ 63.286072][ T4163] CPU0 CPU1 [ 63.286875][ T4163] ---- ---- [ 63.287732][ T4163] lock(rfkill_global_mutex); [ 63.288496][ T4163] lock(&data->open_mutex); [ 63.289599][ T4163] lock(rfkill_global_mutex); [ 63.290850][ T4163] lock((work_completion)(&hdev->bg_scan_update)); [ 63.291853][ T4163] [ 63.291853][ T4163] *** DEADLOCK *** [ 63.291853][ T4163] [ 63.293142][ T4163] 1 lock held by syz.0.17/4163: [ 63.293867][ T4163] #0: ffff80001651bc28 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x238/0x5cc [ 63.295407][ T4163] [ 63.295407][ T4163] stack backtrace: [ 63.296244][ T4163] CPU: 1 PID: 4163 Comm: syz.0.17 Not tainted 5.15.189-syzkaller #0 [ 63.297470][ T4163] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 63.299016][ T4163] Call trace: [ 63.299458][ T4163] dump_backtrace+0x0/0x43c [ 63.300177][ T4163] show_stack+0x2c/0x3c [ 63.300820][ T4163] __dump_stack+0x30/0x40 [ 63.301656][ T4163] dump_stack_lvl+0xf8/0x160 [ 63.302320][ T4163] dump_stack+0x1c/0x5c [ 63.303000][ T4163] print_circular_bug+0x148/0x1b0 [ 63.303761][ T4163] check_noncircular+0x240/0x2d4 [ 63.304495][ T4163] __lock_acquire+0x2928/0x651c [ 63.305280][ T4163] lock_acquire+0x1f4/0x620 [ 63.306023][ T4163] __flush_work+0xf4/0x1bc [ 63.306759][ T4163] __cancel_work_timer+0x2ec/0x448 [ 63.307504][ T4163] cancel_work_sync+0x24/0x38 [ 63.308220][ T4163] hci_request_cancel_all+0xbc/0x2d0 [ 63.309079][ T4163] hci_dev_do_close+0x54/0x105c [ 63.309882][ T4163] hci_rfkill_set_block+0xdc/0x1d0 [ 63.310568][ T4163] rfkill_set_block+0x18c/0x374 [ 63.311265][ T4163] rfkill_fop_write+0x4a4/0x5cc [ 63.311981][ T4163] vfs_write+0x280/0xa2c [ 63.312642][ T4163] ksys_write+0x120/0x210 [ 63.313266][ T4163] __arm64_sys_write+0x7c/0x90 [ 63.314052][ T4163] invoke_syscall+0x98/0x2b8 [ 63.314791][ T4163] el0_svc_common+0x138/0x258 [ 63.315503][ T4163] do_el0_svc+0x58/0x14c [ 63.316136][ T4163] el0_svc+0x78/0x1e0 [ 63.316707][ T4163] el0t_64_sync_handler+0xcc/0xe4 [ 63.317673][ T4163] el0t_64_sync+0x1a0/0x1a4