Warning: Permanently added '10.128.1.12' (ED25519) to the list of known hosts. 2025/08/02 19:51:25 ignoring optional flag "sandboxArg"="0" 2025/08/02 19:51:26 parsed 1 programs [ 69.951640][ T4189] cgroup: Unknown subsys name 'net' [ 70.098647][ T4189] cgroup: Unknown subsys name 'rlimit' [ 71.495336][ T1428] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.502007][ T1428] ieee802154 phy1 wpan1: encryption failed: -22 [ 71.588190][ T4189] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 74.008313][ T4220] chnl_net:caif_netlink_parms(): no params data found [ 74.073353][ T4220] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.081157][ T4220] bridge0: port 1(bridge_slave_0) entered disabled state [ 74.091131][ T4220] device bridge_slave_0 entered promiscuous mode [ 74.101420][ T4220] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.110002][ T4220] bridge0: port 2(bridge_slave_1) entered disabled state [ 74.118588][ T4220] device bridge_slave_1 entered promiscuous mode [ 74.150971][ T4220] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 74.163356][ T4220] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 74.197193][ T4220] team0: Port device team_slave_0 added [ 74.205133][ T4220] team0: Port device team_slave_1 added [ 74.232260][ T4220] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 74.239242][ 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. [ 74.266896][ T4220] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 74.280175][ T4220] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 74.288624][ 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. [ 74.316043][ T4220] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 74.357535][ T4220] device hsr_slave_0 entered promiscuous mode [ 74.365702][ T4220] device hsr_slave_1 entered promiscuous mode [ 74.504921][ T4220] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 74.517130][ T4220] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 74.528118][ T4220] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 74.538222][ T4220] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 74.571898][ T4220] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.579136][ T4220] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.587044][ T4220] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.594196][ T4220] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.655507][ T4220] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.669896][ T1397] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.682662][ T1397] bridge0: port 1(bridge_slave_0) entered disabled state [ 74.691513][ T1397] bridge0: port 2(bridge_slave_1) entered disabled state [ 74.703419][ T1397] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 74.720312][ T4220] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.733940][ T1397] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.743746][ T1397] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.750865][ T1397] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.776492][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.785707][ T155] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.792862][ T155] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.801725][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 74.811539][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 74.825011][ T1397] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 74.844113][ T1397] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 74.853613][ T1397] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 74.866119][ T4220] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 74.984560][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 74.992654][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 75.006203][ T4220] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 75.028561][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 75.044717][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 75.068834][ T1397] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 75.078311][ T1397] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 75.088141][ T1397] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 75.105614][ T1397] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 75.119414][ T4220] device veth0_vlan entered promiscuous mode [ 75.135518][ T4220] device veth1_vlan entered promiscuous mode [ 75.154393][ T1397] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 75.164825][ T1397] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 75.173189][ T1397] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 75.181705][ T1397] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 75.192501][ T4220] device veth0_macvtap entered promiscuous mode [ 75.201504][ T4220] device veth1_macvtap entered promiscuous mode [ 75.217385][ T4220] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 75.226691][ T1397] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 75.234966][ T1397] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 75.244522][ T1397] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 75.254289][ T1397] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 75.265192][ T4220] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 75.273569][ T1397] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 75.283167][ T1397] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 75.304337][ T4220] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.313387][ T4220] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.322504][ T4220] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.331214][ T4220] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.439831][ T4220] syz-executor (4220) used greatest stack depth: 20288 bytes left [ 76.520001][ T155] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 76.540520][ T155] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 76.563585][ T1397] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 76.578927][ T1397] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 76.587993][ T1397] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 76.599689][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2025/08/02 19:51:36 executed programs: 0 [ 77.264670][ T4285] chnl_net:caif_netlink_parms(): no params data found [ 77.325824][ T4285] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.333269][ T4285] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.341121][ T4285] device bridge_slave_0 entered promiscuous mode [ 77.350223][ T4285] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.358033][ T4285] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.366615][ T4285] device bridge_slave_1 entered promiscuous mode [ 77.393766][ T4285] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 77.404961][ T4285] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 77.444764][ T154] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 77.461192][ T4285] team0: Port device team_slave_0 added [ 77.472113][ T4285] team0: Port device team_slave_1 added [ 77.492818][ T4285] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 77.499816][ T4285] 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. [ 77.525861][ T4285] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 77.538927][ T4285] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 77.546031][ T4285] 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. [ 77.571969][ T4285] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 77.602578][ T4285] device hsr_slave_0 entered promiscuous mode [ 77.609322][ T4285] device hsr_slave_1 entered promiscuous mode [ 77.616822][ T4285] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 77.625185][ T4285] Cannot create hsr debugfs directory [ 79.172860][ T2239] Bluetooth: hci0: command 0x0409 tx timeout [ 80.541354][ T154] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 80.598440][ T154] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 80.679723][ T154] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 81.252029][ T4240] Bluetooth: hci0: command 0x041b tx timeout [ 81.560685][ T4285] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 81.572423][ T4285] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 81.604731][ T4285] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 81.613997][ T4285] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 81.716379][ T4285] 8021q: adding VLAN 0 to HW filter on device bond0 [ 81.728326][ T1397] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 81.736432][ T1397] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 81.752153][ T4285] 8021q: adding VLAN 0 to HW filter on device team0 [ 81.778616][ T1397] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 81.788231][ T1397] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 81.796801][ T1397] bridge0: port 1(bridge_slave_0) entered blocking state [ 81.803925][ T1397] bridge0: port 1(bridge_slave_0) entered forwarding state [ 81.824900][ T1397] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 81.833398][ T1397] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 81.842243][ T1397] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 81.851432][ T1397] bridge0: port 2(bridge_slave_1) entered blocking state [ 81.858563][ T1397] bridge0: port 2(bridge_slave_1) entered forwarding state [ 81.869380][ T1397] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 81.879000][ T1397] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 81.922087][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 81.931116][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 81.941628][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 81.951446][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 81.961271][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 81.969935][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 81.980476][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 81.989096][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 81.997976][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 82.009651][ T4285] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 82.233113][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 82.240556][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 82.254585][ T4285] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 82.308643][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 82.318143][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 82.340296][ T4285] device veth0_vlan entered promiscuous mode [ 82.348285][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 82.356878][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 82.368492][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 82.376933][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 82.390670][ T4285] device veth1_vlan entered promiscuous mode [ 82.428674][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 82.437714][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 82.446618][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 82.455562][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 82.466303][ T4285] device veth0_macvtap entered promiscuous mode [ 82.477020][ T4285] device veth1_macvtap entered promiscuous mode [ 82.499037][ T4285] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 82.510917][ T4285] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 82.524455][ T4285] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 82.533223][ T1397] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 82.541318][ T1397] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 82.549830][ T1397] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 82.558919][ T1397] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 82.579316][ T4285] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 82.589975][ T4285] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 82.601260][ T4285] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 82.608924][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 82.618285][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 82.640154][ T4285] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 82.649265][ T4285] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 82.658727][ T4285] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 82.667881][ T4285] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 82.684407][ T154] device hsr_slave_0 left promiscuous mode [ 82.690866][ T154] device hsr_slave_1 left promiscuous mode [ 82.697908][ T154] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 82.705795][ T154] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 82.714340][ T154] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 82.721740][ T154] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 82.730274][ T154] device bridge_slave_1 left promiscuous mode [ 82.738149][ T154] bridge0: port 2(bridge_slave_1) entered disabled state [ 82.754069][ T154] device bridge_slave_0 left promiscuous mode [ 82.760323][ T154] bridge0: port 1(bridge_slave_0) entered disabled state [ 82.779877][ T154] device veth1_macvtap left promiscuous mode [ 82.786442][ T154] device veth0_macvtap left promiscuous mode [ 82.794043][ T154] device veth1_vlan left promiscuous mode [ 82.800046][ T154] device veth0_vlan left promiscuous mode [ 82.974556][ T154] team0 (unregistering): Port device team_slave_1 removed [ 82.987465][ T154] team0 (unregistering): Port device team_slave_0 removed [ 83.001161][ T154] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 83.019210][ T154] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 83.079143][ T154] bond0 (unregistering): Released all slaves [ 83.226376][ T155] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 83.242480][ T155] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 83.256509][ T1397] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 83.266381][ T155] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 83.274734][ T155] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 83.301181][ T1397] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 83.333123][ T4239] Bluetooth: hci0: command 0x040f tx timeout [ 83.409444][ T4356] [ 83.411825][ T4356] ====================================================== [ 83.418919][ T4356] WARNING: possible circular locking dependency detected [ 83.425980][ T4356] 5.15.189-syzkaller #0 Not tainted [ 83.431182][ T4356] ------------------------------------------------------ [ 83.438199][ T4356] syz.0.17/4356 is trying to acquire lock: [ 83.444011][ T4356] ffff888027f58c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xc1/0x1b0 [ 83.455205][ T4356] [ 83.455205][ T4356] but task is already holding lock: [ 83.462580][ T4356] ffffffff8d4be228 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x19e/0x560 [ 83.472272][ T4356] [ 83.472272][ T4356] which lock already depends on the new lock. [ 83.472272][ T4356] [ 83.482684][ T4356] [ 83.482684][ T4356] the existing dependency chain (in reverse order) is: [ 83.491753][ T4356] [ 83.491753][ T4356] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 83.499774][ T4356] __mutex_lock_common+0x1eb/0x2390 [ 83.505519][ T4356] mutex_lock_nested+0x17/0x20 [ 83.510830][ T4356] rfkill_register+0x33/0x8a0 [ 83.516055][ T4356] hci_register_dev+0x452/0x970 [ 83.521448][ T4356] vhci_create_device+0x32c/0x5c0 [ 83.527027][ T4356] vhci_write+0x391/0x450 [ 83.531897][ T4356] vfs_write+0x712/0xd00 [ 83.536686][ T4356] ksys_write+0x14d/0x250 [ 83.541553][ T4356] do_syscall_64+0x4c/0xa0 [ 83.546515][ T4356] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 83.552959][ T4356] [ 83.552959][ T4356] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 83.560887][ T4356] __mutex_lock_common+0x1eb/0x2390 [ 83.566645][ T4356] mutex_lock_nested+0x17/0x20 [ 83.571960][ T4356] vhci_send_frame+0x88/0x100 [ 83.577179][ T4356] hci_send_frame+0x1a9/0x2e0 [ 83.582402][ T4356] hci_tx_work+0x9f9/0x1710 [ 83.587448][ T4356] process_one_work+0x863/0x1000 [ 83.592927][ T4356] worker_thread+0xaa8/0x12a0 [ 83.598152][ T4356] kthread+0x436/0x520 [ 83.602761][ T4356] ret_from_fork+0x1f/0x30 [ 83.607732][ T4356] [ 83.607732][ T4356] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 83.616974][ T4356] __flush_work+0xdd/0x1b0 [ 83.621957][ T4356] hci_dev_do_close+0x1e7/0x1030 [ 83.627454][ T4356] hci_unregister_dev+0x2d7/0x580 [ 83.633038][ T4356] vhci_release+0x73/0xc0 [ 83.637924][ T4356] __fput+0x234/0x930 [ 83.642468][ T4356] task_work_run+0x125/0x1a0 [ 83.647609][ T4356] do_exit+0x61e/0x20a0 [ 83.652312][ T4356] do_group_exit+0x12e/0x300 [ 83.657451][ T4356] get_signal+0x6ca/0x12c0 [ 83.662414][ T4356] arch_do_signal_or_restart+0xc1/0x1300 [ 83.668592][ T4356] exit_to_user_mode_loop+0x9e/0x130 [ 83.674430][ T4356] exit_to_user_mode_prepare+0xb1/0x140 [ 83.680654][ T4356] syscall_exit_to_user_mode+0x16/0x40 [ 83.686707][ T4356] do_syscall_64+0x58/0xa0 [ 83.691673][ T4356] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 83.698117][ T4356] [ 83.698117][ T4356] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 83.705789][ T4356] __mutex_lock_common+0x1eb/0x2390 [ 83.711532][ T4356] mutex_lock_nested+0x17/0x20 [ 83.716838][ T4356] bg_scan_update+0x44/0x3b0 [ 83.721984][ T4356] process_one_work+0x863/0x1000 [ 83.727468][ T4356] worker_thread+0xaa8/0x12a0 [ 83.732709][ T4356] kthread+0x436/0x520 [ 83.737320][ T4356] ret_from_fork+0x1f/0x30 [ 83.742282][ T4356] [ 83.742282][ T4356] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 83.752119][ T4356] __lock_acquire+0x2c33/0x7c60 [ 83.757520][ T4356] lock_acquire+0x197/0x3f0 [ 83.762567][ T4356] __flush_work+0xdd/0x1b0 [ 83.767546][ T4356] __cancel_work_timer+0x3ac/0x520 [ 83.773203][ T4356] hci_request_cancel_all+0xcc/0x300 [ 83.779035][ T4356] hci_dev_do_close+0x4e/0x1030 [ 83.784426][ T4356] hci_rfkill_set_block+0x10a/0x190 [ 83.790171][ T4356] rfkill_set_block+0x1c6/0x420 [ 83.795649][ T4356] rfkill_fop_write+0x458/0x560 [ 83.801048][ T4356] vfs_write+0x300/0xd00 [ 83.805829][ T4356] ksys_write+0x14d/0x250 [ 83.810696][ T4356] do_syscall_64+0x4c/0xa0 [ 83.815659][ T4356] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 83.822098][ T4356] [ 83.822098][ T4356] other info that might help us debug this: [ 83.822098][ T4356] [ 83.832337][ T4356] Chain exists of: [ 83.832337][ T4356] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 83.832337][ T4356] [ 83.848094][ T4356] Possible unsafe locking scenario: [ 83.848094][ T4356] [ 83.855565][ T4356] CPU0 CPU1 [ 83.860949][ T4356] ---- ---- [ 83.866332][ T4356] lock(rfkill_global_mutex); [ 83.871117][ T4356] lock(&data->open_mutex); [ 83.878379][ T4356] lock(rfkill_global_mutex); [ 83.885688][ T4356] lock((work_completion)(&hdev->bg_scan_update)); [ 83.892347][ T4356] [ 83.892347][ T4356] *** DEADLOCK *** [ 83.892347][ T4356] [ 83.900520][ T4356] 1 lock held by syz.0.17/4356: [ 83.905390][ T4356] #0: ffffffff8d4be228 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x19e/0x560 [ 83.915523][ T4356] [ 83.915523][ T4356] stack backtrace: [ 83.921441][ T4356] CPU: 1 PID: 4356 Comm: syz.0.17 Not tainted 5.15.189-syzkaller #0 [ 83.929444][ T4356] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 83.939535][ T4356] Call Trace: [ 83.942838][ T4356] [ 83.945789][ T4356] dump_stack_lvl+0x168/0x230 [ 83.950491][ T4356] ? load_image+0x3b0/0x3b0 [ 83.955023][ T4356] ? show_regs_print_info+0x20/0x20 [ 83.960248][ T4356] ? print_circular_bug+0x12b/0x1a0 [ 83.965474][ T4356] check_noncircular+0x274/0x310 [ 83.970434][ T4356] ? add_chain_block+0x940/0x940 [ 83.975392][ T4356] ? lockdep_lock+0xdc/0x1e0 [ 83.980026][ T4356] ? __lock_acquire+0x12d9/0x7c60 [ 83.985075][ T4356] ? lockdep_lock+0x1e0/0x1e0 [ 83.989780][ T4356] ? mark_lock+0x94/0x320 [ 83.994146][ T4356] ? _find_first_zero_bit+0xce/0xf0 [ 83.999492][ T4356] __lock_acquire+0x2c33/0x7c60 [ 84.004378][ T4356] ? verify_lock_unused+0x140/0x140 [ 84.009605][ T4356] ? verify_lock_unused+0x140/0x140 [ 84.014852][ T4356] lock_acquire+0x197/0x3f0 [ 84.019388][ T4356] ? __flush_work+0xc1/0x1b0 [ 84.024005][ T4356] ? __lock_acquire+0x7c60/0x7c60 [ 84.029148][ T4356] ? read_lock_is_recursive+0x10/0x10 [ 84.034554][ T4356] ? start_flush_work+0x776/0x820 [ 84.039597][ T4356] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 84.045520][ T4356] ? _raw_spin_unlock+0x40/0x40 [ 84.050400][ T4356] __flush_work+0xdd/0x1b0 [ 84.054834][ T4356] ? __flush_work+0xc1/0x1b0 [ 84.059442][ T4356] ? flush_work+0x20/0x20 [ 84.063792][ T4356] ? try_to_grab_pending+0xf3/0x7e0 [ 84.069009][ T4356] ? lockdep_hardirqs_off+0x70/0x100 [ 84.074318][ T4356] ? mark_lock+0x94/0x320 [ 84.078674][ T4356] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 84.084692][ T4356] ? lock_chain_count+0x20/0x20 [ 84.089576][ T4356] ? mark_lock+0x94/0x320 [ 84.093931][ T4356] ? __cancel_work_timer+0x331/0x520 [ 84.099236][ T4356] __cancel_work_timer+0x3ac/0x520 [ 84.104379][ T4356] ? cancel_work_sync+0x20/0x20 [ 84.109775][ T4356] ? __cancel_work+0x1f4/0x2d0 [ 84.114559][ T4356] ? lockdep_hardirqs_on+0x94/0x140 [ 84.119781][ T4356] ? __cancel_work+0x26f/0x2d0 [ 84.124570][ T4356] ? cancel_work+0x20/0x20 [ 84.129010][ T4356] ? lock_chain_count+0x20/0x20 [ 84.133884][ T4356] hci_request_cancel_all+0xcc/0x300 [ 84.139195][ T4356] hci_dev_do_close+0x4e/0x1030 [ 84.144070][ T4356] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 84.149995][ T4356] ? _raw_spin_unlock+0x40/0x40 [ 84.154881][ T4356] hci_rfkill_set_block+0x10a/0x190 [ 84.160108][ T4356] ? rcu_lock_release+0x20/0x20 [ 84.165002][ T4356] rfkill_set_block+0x1c6/0x420 [ 84.169889][ T4356] rfkill_fop_write+0x458/0x560 [ 84.174774][ T4356] ? verify_lock_unused+0x140/0x140 [ 84.180004][ T4356] ? rfkill_fop_read+0x4b0/0x4b0 [ 84.184968][ T4356] ? common_file_perm+0x150/0x1c0 [ 84.190024][ T4356] ? fsnotify_perm+0x5d/0x560 [ 84.194728][ T4356] ? security_file_permission+0x75/0xa0 [ 84.200314][ T4356] ? rfkill_fop_read+0x4b0/0x4b0 [ 84.205278][ T4356] vfs_write+0x300/0xd00 [ 84.209550][ T4356] ? file_end_write+0x250/0x250 [ 84.214427][ T4356] ? __context_tracking_exit+0x4c/0x80 [ 84.219917][ T4356] ? __lock_acquire+0x7c60/0x7c60 [ 84.224970][ T4356] ? __fdget_pos+0x1e2/0x370 [ 84.229583][ T4356] ksys_write+0x14d/0x250 [ 84.233941][ T4356] ? __ia32_sys_read+0x80/0x80 [ 84.238728][ T4356] ? lockdep_hardirqs_on+0x94/0x140 [ 84.243947][ T4356] do_syscall_64+0x4c/0xa0 [ 84.248388][ T4356] ? clear_bhb_loop+0x30/0x80 [ 84.253091][ T4356] ? clear_bhb_loop+0x30/0x80 [ 84.257794][ T4356] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 84.263726][ T4356] RIP: 0033:0x7fb4cbf7db69 [ 84.268160][ T4356] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 84.287790][ T4356] RSP: 002b:00007fffba7f37c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 84.296319][ T4356] RAX: ffffffffffffffda RBX: 00007fb4cc1a4fa0 RCX: 00007fb4cbf7db69 [ 84.304345][ T4356] RDX: 0000000000000008 RSI: 0000200000000180 RDI: 0000000000000003 [ 84.312430][ T4356] RBP: 00007fb4cc000df1 R08: 0000000000000000 R09: 0000000000000000 [ 84.320425][ T4356] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 84.328419][ T4356] R13: 00007fb4cc1a4fa0 R14: 00007fb4cc1a4fa0 R15: 0000000000000003 [ 84.336421][ T4356]