Warning: Permanently added '10.128.1.47' (ED25519) to the list of known hosts. 2026/06/27 22:35:05 parsed 1 programs 2026/06/27 22:35:05 serving rpc on tcp://35139 [ 69.996848][ T4200] cgroup: Unknown subsys name 'net' [ 70.099622][ T4200] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 71.261939][ T1421] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.268448][ T1421] ieee802154 phy1 wpan1: encryption failed: -22 [ 71.627021][ T4200] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 73.351754][ T4220] chnl_net:caif_netlink_parms(): no params data found [ 73.402347][ T4220] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.410098][ T4220] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.418086][ T4220] device bridge_slave_0 entered promiscuous mode [ 73.427752][ T4220] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.435105][ T4220] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.443598][ T4220] device bridge_slave_1 entered promiscuous mode [ 73.468826][ T4220] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 73.480531][ T4220] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 73.502907][ T4220] team0: Port device team_slave_0 added [ 73.511130][ T4220] team0: Port device team_slave_1 added [ 73.531825][ T4220] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 73.538790][ T4220] 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. [ 73.565047][ T4220] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 73.577693][ T4220] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 73.585029][ T4220] 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. [ 73.611549][ T4220] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 73.649888][ T4220] device hsr_slave_0 entered promiscuous mode [ 73.656992][ T4220] device hsr_slave_1 entered promiscuous mode [ 73.763503][ T4220] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 73.775302][ T4220] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 73.789884][ T4220] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 73.803028][ T4220] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 73.836046][ T4220] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.843337][ T4220] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.851385][ T4220] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.858488][ T4220] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.925529][ T4220] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.942718][ T3076] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.956503][ T3076] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.966335][ T3076] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.974928][ T3076] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 73.991088][ T4220] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.012120][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.021024][ T154] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.028150][ T154] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.037604][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.046708][ T154] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.053858][ T154] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.073847][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 74.083927][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 74.099292][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 74.114769][ T3076] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 74.130481][ T3076] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 74.144399][ T4220] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 74.284814][ T3076] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 74.293009][ T3076] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 74.310771][ T4220] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 74.333702][ T3076] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 74.345991][ T3076] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 74.369458][ T3076] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 74.378830][ T3076] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 74.400941][ T3076] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 74.409231][ T3076] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 74.419734][ T4220] device veth0_vlan entered promiscuous mode [ 74.435133][ T4220] device veth1_vlan entered promiscuous mode [ 74.461236][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 74.471485][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 74.480235][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 74.488880][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 74.501937][ T4220] device veth0_macvtap entered promiscuous mode [ 74.514177][ T4220] device veth1_macvtap entered promiscuous mode [ 74.534156][ T4220] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 74.543344][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 74.552907][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 74.562137][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 74.571169][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 74.583516][ T4220] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 74.592048][ T3076] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 74.602826][ T3076] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 74.615641][ T4220] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.625776][ T4220] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.636046][ T4220] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.645401][ T4220] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.878421][ T144] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 74.894693][ T144] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 74.906081][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 74.932559][ T154] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 74.943186][ T154] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 74.954330][ T3076] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 75.463967][ T155] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 77.945964][ T155] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 79.885785][ T155] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 79.937138][ T155] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 81.068774][ T155] device hsr_slave_0 left promiscuous mode [ 81.076544][ T155] device hsr_slave_1 left promiscuous mode [ 81.095974][ T155] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 81.113669][ T155] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 81.131255][ T155] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 81.138698][ T155] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 81.156951][ T155] device bridge_slave_1 left promiscuous mode [ 81.170316][ T155] bridge0: port 2(bridge_slave_1) entered disabled state [ 81.186468][ T155] device bridge_slave_0 left promiscuous mode [ 81.194458][ T155] bridge0: port 1(bridge_slave_0) entered disabled state [ 81.218451][ T155] device veth1_macvtap left promiscuous mode [ 81.224929][ T155] device veth0_macvtap left promiscuous mode [ 81.231411][ T155] device veth1_vlan left promiscuous mode [ 81.237430][ T155] device veth0_vlan left promiscuous mode [ 81.400879][ T155] team0 (unregistering): Port device team_slave_1 removed [ 81.415349][ T155] team0 (unregistering): Port device team_slave_0 removed [ 81.428306][ T155] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 81.443958][ T155] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 81.500894][ T155] bond0 (unregistering): Released all slaves 2026/06/27 22:35:19 executed programs: 0 [ 82.446521][ T4348] chnl_net:caif_netlink_parms(): no params data found [ 82.582062][ T4348] bridge0: port 1(bridge_slave_0) entered blocking state [ 82.589786][ T4348] bridge0: port 1(bridge_slave_0) entered disabled state [ 82.600136][ T4348] device bridge_slave_0 entered promiscuous mode [ 82.619416][ T4348] bridge0: port 2(bridge_slave_1) entered blocking state [ 82.626767][ T4348] bridge0: port 2(bridge_slave_1) entered disabled state [ 82.640257][ T4348] device bridge_slave_1 entered promiscuous mode [ 82.670722][ T4348] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 82.701527][ T4348] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 82.749630][ T4348] team0: Port device team_slave_0 added [ 82.757794][ T4348] team0: Port device team_slave_1 added [ 82.798264][ T4348] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 82.805464][ T4348] 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. [ 82.831825][ T4348] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 82.846042][ T4348] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 82.853468][ T4348] 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. [ 82.884089][ T4348] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 82.950090][ T4348] device hsr_slave_0 entered promiscuous mode [ 82.967350][ T4348] device hsr_slave_1 entered promiscuous mode [ 83.717391][ T4348] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 83.729712][ T4348] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 83.741052][ T4348] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 83.751154][ T4348] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 83.833030][ T4348] 8021q: adding VLAN 0 to HW filter on device bond0 [ 83.848848][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 83.861374][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 83.872432][ T4348] 8021q: adding VLAN 0 to HW filter on device team0 [ 83.887857][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 83.897784][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 83.920121][ T154] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.927338][ T154] bridge0: port 1(bridge_slave_0) entered forwarding state [ 83.959816][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 83.972122][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 83.992975][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 84.020477][ T154] bridge0: port 2(bridge_slave_1) entered blocking state [ 84.027603][ T154] bridge0: port 2(bridge_slave_1) entered forwarding state [ 84.050447][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 84.070940][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 84.101533][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 84.114017][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 84.140584][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 84.160711][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 84.188181][ T4348] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 84.230008][ T4348] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 84.255728][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 84.271253][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 84.291293][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 84.319475][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 84.340241][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 84.363737][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 84.600098][ T4432] Bluetooth: hci0: command 0x0409 tx timeout [ 84.665202][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 84.673636][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 84.701659][ T4348] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 84.734817][ T4403] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 84.745399][ T4403] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 84.779178][ T4403] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 84.788172][ T4403] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 84.799416][ T4403] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 84.807396][ T4403] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 84.823274][ T4348] device veth0_vlan entered promiscuous mode [ 84.843692][ T4348] device veth1_vlan entered promiscuous mode [ 84.886165][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 84.895344][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 84.905572][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 84.915870][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 84.926332][ T4348] device veth0_macvtap entered promiscuous mode [ 84.936579][ T4348] device veth1_macvtap entered promiscuous mode [ 84.956594][ T4348] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 84.965321][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 84.974288][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 84.983345][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 84.992426][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 85.004185][ T4348] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 85.013664][ T4403] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 85.023790][ T4403] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 85.038413][ T4348] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 85.048245][ T4348] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 85.058394][ T4348] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 85.067529][ T4348] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 85.126229][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 85.142207][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 85.153409][ T4403] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 85.178799][ T4403] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 85.189018][ T4403] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 85.197574][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 85.287014][ T4453] input: syz1 as /devices/virtual/input/input5 [ 85.491354][ T4414] [ 85.493826][ T4414] ====================================================== [ 85.500869][ T4414] WARNING: possible circular locking dependency detected [ 85.507923][ T4414] syzkaller #0 Not tainted [ 85.512362][ T4414] ------------------------------------------------------ [ 85.519413][ T4414] kworker/1:13/4414 is trying to acquire lock: [ 85.525694][ T4414] ffff888021051028 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xfa/0x210 [ 85.537510][ T4414] [ 85.537510][ T4414] but task is already holding lock: [ 85.545186][ T4414] ffffffff8d6c48a8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_epo+0x43/0x170 [ 85.554274][ T4414] [ 85.554274][ T4414] which lock already depends on the new lock. [ 85.554274][ T4414] [ 85.564694][ T4414] [ 85.564694][ T4414] the existing dependency chain (in reverse order) is: [ 85.573757][ T4414] [ 85.573757][ T4414] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 85.581784][ T4414] __mutex_lock_common+0x1e5/0x2400 [ 85.587632][ T4414] mutex_lock_nested+0x17/0x20 [ 85.592952][ T4414] rfkill_register+0x2f/0x970 [ 85.598177][ T4414] hci_register_dev+0x459/0x980 [ 85.603575][ T4414] vhci_create_device+0x32e/0x5c0 [ 85.609245][ T4414] vhci_write+0x389/0x440 [ 85.614117][ T4414] vfs_write+0x748/0xd70 [ 85.618903][ T4414] ksys_write+0x153/0x260 [ 85.623771][ T4414] do_syscall_64+0x4c/0xa0 [ 85.628728][ T4414] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 85.635872][ T4414] [ 85.635872][ T4414] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 85.643723][ T4414] __mutex_lock_common+0x1e5/0x2400 [ 85.649485][ T4414] mutex_lock_nested+0x17/0x20 [ 85.654796][ T4414] vhci_send_frame+0x88/0x100 [ 85.660037][ T4414] hci_send_frame+0x1a9/0x2e0 [ 85.665398][ T4414] hci_tx_work+0x9b5/0x16d0 [ 85.670460][ T4414] process_one_work+0x867/0xff0 [ 85.675862][ T4414] worker_thread+0xad7/0x12a0 [ 85.681094][ T4414] kthread+0x42e/0x520 [ 85.685718][ T4414] ret_from_fork+0x1f/0x30 [ 85.690683][ T4414] [ 85.690683][ T4414] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 85.699927][ T4414] __flush_work+0x116/0x210 [ 85.705014][ T4414] hci_dev_do_close+0x201/0x1020 [ 85.710513][ T4414] hci_unregister_dev+0x2eb/0x590 [ 85.716090][ T4414] vhci_release+0x73/0xc0 [ 85.720969][ T4414] __fput+0x212/0x8c0 [ 85.725494][ T4414] task_work_run+0x125/0x1a0 [ 85.730626][ T4414] do_exit+0x635/0x2110 [ 85.735323][ T4414] do_group_exit+0x12c/0x2f0 [ 85.740455][ T4414] get_signal+0x7eb/0x12e0 [ 85.745414][ T4414] arch_do_signal_or_restart+0xe6/0x12a0 [ 85.751613][ T4414] exit_to_user_mode_loop+0x9e/0x130 [ 85.757465][ T4414] exit_to_user_mode_prepare+0xee/0x180 [ 85.763549][ T4414] syscall_exit_to_user_mode+0x16/0x40 [ 85.769556][ T4414] do_syscall_64+0x58/0xa0 [ 85.774519][ T4414] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 85.780964][ T4414] [ 85.780964][ T4414] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 85.788635][ T4414] __mutex_lock_common+0x1e5/0x2400 [ 85.794391][ T4414] mutex_lock_nested+0x17/0x20 [ 85.799699][ T4414] bg_scan_update+0x44/0x3b0 [ 85.804834][ T4414] process_one_work+0x867/0xff0 [ 85.810232][ T4414] worker_thread+0xad7/0x12a0 [ 85.815487][ T4414] kthread+0x42e/0x520 [ 85.820101][ T4414] ret_from_fork+0x1f/0x30 [ 85.825070][ T4414] [ 85.825070][ T4414] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 85.834919][ T4414] __lock_acquire+0x2c66/0x7b50 [ 85.840323][ T4414] lock_acquire+0x19e/0x400 [ 85.845379][ T4414] __flush_work+0x116/0x210 [ 85.850426][ T4414] __cancel_work_timer+0x3f4/0x560 [ 85.856084][ T4414] hci_request_cancel_all+0xcc/0x300 [ 85.861921][ T4414] hci_dev_do_close+0x4e/0x1020 [ 85.867312][ T4414] hci_rfkill_set_block+0x101/0x180 [ 85.873056][ T4414] rfkill_set_block+0x1c1/0x3c0 [ 85.878453][ T4414] rfkill_epo+0x75/0x170 [ 85.883238][ T4414] rfkill_op_handler+0x76/0x220 [ 85.888629][ T4414] process_one_work+0x867/0xff0 [ 85.894023][ T4414] worker_thread+0xad7/0x12a0 [ 85.899245][ T4414] kthread+0x42e/0x520 [ 85.903861][ T4414] ret_from_fork+0x1f/0x30 [ 85.908834][ T4414] [ 85.908834][ T4414] other info that might help us debug this: [ 85.908834][ T4414] [ 85.919078][ T4414] Chain exists of: [ 85.919078][ T4414] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 85.919078][ T4414] [ 85.934835][ T4414] Possible unsafe locking scenario: [ 85.934835][ T4414] [ 85.942309][ T4414] CPU0 CPU1 [ 85.947686][ T4414] ---- ---- [ 85.953067][ T4414] lock(rfkill_global_mutex); [ 85.957854][ T4414] lock(&data->open_mutex); [ 85.964989][ T4414] lock(rfkill_global_mutex); [ 85.972293][ T4414] lock((work_completion)(&hdev->bg_scan_update)); [ 85.978919][ T4414] [ 85.978919][ T4414] *** DEADLOCK *** [ 85.978919][ T4414] [ 85.987080][ T4414] 3 locks held by kworker/1:13/4414: [ 85.992391][ T4414] #0: ffff888016c70938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x75c/0xff0 [ 86.002699][ T4414] #1: ffffc9000309fd00 ((rfkill_op_work).work){+.+.}-{0:0}, at: process_one_work+0x79e/0xff0 [ 86.013002][ T4414] #2: ffffffff8d6c48a8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_epo+0x43/0x170 [ 86.022539][ T4414] [ 86.022539][ T4414] stack backtrace: [ 86.028465][ T4414] CPU: 1 PID: 4414 Comm: kworker/1:13 Not tainted syzkaller #0 [ 86.036037][ T4414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 86.046116][ T4414] Workqueue: events rfkill_op_handler [ 86.051548][ T4414] Call Trace: [ 86.054849][ T4414] [ 86.057815][ T4414] dump_stack_lvl+0x188/0x250 [ 86.062530][ T4414] ? load_image+0x410/0x410 [ 86.067077][ T4414] ? show_regs_print_info+0x20/0x20 [ 86.072425][ T4414] ? print_circular_bug+0x12b/0x1a0 [ 86.077652][ T4414] check_noncircular+0x296/0x330 [ 86.082619][ T4414] ? add_chain_block+0x9b0/0x9b0 [ 86.087579][ T4414] ? lockdep_lock+0xf1/0x1f0 [ 86.092199][ T4414] ? __lock_acquire+0x1305/0x7b50 [ 86.097256][ T4414] ? mark_lock+0x94/0x320 [ 86.101604][ T4414] ? _find_first_zero_bit+0xd1/0xf0 [ 86.106877][ T4414] __lock_acquire+0x2c66/0x7b50 [ 86.111765][ T4414] ? verify_lock_unused+0x140/0x140 [ 86.116995][ T4414] ? verify_lock_unused+0x140/0x140 [ 86.122233][ T4414] lock_acquire+0x19e/0x400 [ 86.126799][ T4414] ? __flush_work+0xfa/0x210 [ 86.131415][ T4414] ? __lock_acquire+0x7b50/0x7b50 [ 86.136466][ T4414] ? read_lock_is_recursive+0x10/0x10 [ 86.141880][ T4414] ? start_flush_work+0x784/0x830 [ 86.147207][ T4414] __flush_work+0x116/0x210 [ 86.151738][ T4414] ? __flush_work+0xfa/0x210 [ 86.156359][ T4414] ? flush_work+0x20/0x20 [ 86.160706][ T4414] ? try_to_grab_pending+0xfb/0x820 [ 86.165934][ T4414] ? mark_lock+0x94/0x320 [ 86.170283][ T4414] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 86.176291][ T4414] ? lock_chain_count+0x20/0x20 [ 86.181171][ T4414] ? mark_lock+0x94/0x320 [ 86.185526][ T4414] ? __cancel_work_timer+0x36a/0x560 [ 86.190833][ T4414] __cancel_work_timer+0x3f4/0x560 [ 86.195989][ T4414] ? cancel_work_sync+0x20/0x20 [ 86.200878][ T4414] ? __cancel_work+0x1f9/0x2e0 [ 86.205666][ T4414] ? lockdep_hardirqs_on+0x94/0x140 [ 86.210890][ T4414] ? __cancel_work+0x27b/0x2e0 [ 86.215673][ T4414] ? cancel_work+0x20/0x20 [ 86.220124][ T4414] ? __rwlock_init+0x140/0x140 [ 86.224924][ T4414] hci_request_cancel_all+0xcc/0x300 [ 86.230248][ T4414] hci_dev_do_close+0x4e/0x1020 [ 86.235123][ T4414] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 86.241044][ T4414] ? _raw_spin_unlock+0x40/0x40 [ 86.245922][ T4414] hci_rfkill_set_block+0x101/0x180 [ 86.251143][ T4414] ? rcu_lock_release+0x20/0x20 [ 86.256019][ T4414] rfkill_set_block+0x1c1/0x3c0 [ 86.260900][ T4414] rfkill_epo+0x75/0x170 [ 86.265166][ T4414] rfkill_op_handler+0x76/0x220 [ 86.270043][ T4414] process_one_work+0x867/0xff0 [ 86.274929][ T4414] ? worker_detach_from_pool+0x240/0x240 [ 86.280589][ T4414] ? lockdep_hardirqs_off+0x70/0x100 [ 86.285899][ T4414] ? _raw_spin_lock_irq+0xb7/0xf0 [ 86.290947][ T4414] ? _raw_spin_lock_irq