Warning: Permanently added '10.128.1.16' (ED25519) to the list of known hosts. 2025/07/11 06:48:15 ignoring optional flag "sandboxArg"="0" 2025/07/11 06:48:16 parsed 1 programs [ 63.663214][ T4189] cgroup: Unknown subsys name 'net' [ 63.851933][ T4189] cgroup: Unknown subsys name 'rlimit' [ 65.301520][ T4189] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 67.553201][ T144] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.565825][ T144] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 67.574492][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 67.620526][ T144] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.635054][ T144] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 67.643977][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 67.998334][ T4232] chnl_net:caif_netlink_parms(): no params data found [ 68.070101][ T4232] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.081117][ T4232] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.089733][ T4232] device bridge_slave_0 entered promiscuous mode [ 68.099524][ T4232] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.107201][ T4232] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.115184][ T4232] device bridge_slave_1 entered promiscuous mode [ 68.141787][ T4232] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.152956][ T4232] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.181971][ T4232] team0: Port device team_slave_0 added [ 68.190068][ T4232] team0: Port device team_slave_1 added [ 68.214369][ T4232] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 68.221491][ T4232] 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. [ 68.247855][ T4232] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 68.261023][ T4232] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 68.268099][ T4232] 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. [ 68.294364][ T4232] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 68.332975][ T4232] device hsr_slave_0 entered promiscuous mode [ 68.339831][ T4232] device hsr_slave_1 entered promiscuous mode [ 68.465124][ T4232] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 68.476817][ T4232] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 68.487374][ T4232] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 68.496957][ T4232] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 68.524438][ T4232] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.531653][ T4232] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.539562][ T4232] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.546653][ T4232] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.559813][ T154] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.567970][ T154] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.638800][ T4232] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.652596][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.660994][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.683371][ T4232] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.695247][ T1221] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.704328][ T1221] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.719023][ T1221] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.726119][ T1221] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.753628][ T1221] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.767480][ T1221] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.779073][ T1221] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.786184][ T1221] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.794263][ T1221] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.813150][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.822226][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.834570][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.843177][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.852144][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.861057][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.872363][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.881203][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.891764][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.900498][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.912023][ T4232] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.995367][ T1221] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.003290][ T1221] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.017156][ T4232] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.034363][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 69.043011][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 69.059408][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 69.068560][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 69.080437][ T4232] device veth0_vlan entered promiscuous mode [ 69.087206][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 69.094826][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 69.119316][ T4232] device veth1_vlan entered promiscuous mode [ 69.138239][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 69.146423][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 69.154307][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 69.163966][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 69.174601][ T4232] device veth0_macvtap entered promiscuous mode [ 69.197523][ T4232] device veth1_macvtap entered promiscuous mode [ 69.213223][ T4232] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 69.221172][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 69.229176][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 69.237625][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 69.247044][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 69.257982][ T4232] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 69.267535][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 69.276160][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 69.301847][ T4232] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 69.311099][ T4232] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 69.319845][ T4232] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 69.329418][ T4232] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 69.434887][ T4232] syz-executor (4232) used greatest stack depth: 21152 bytes left 2025/07/11 06:48:25 executed programs: 0 [ 70.937556][ T4290] chnl_net:caif_netlink_parms(): no params data found [ 71.002402][ T4290] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.010714][ T4290] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.020205][ T4290] device bridge_slave_0 entered promiscuous mode [ 71.029590][ T4290] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.037026][ T4290] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.044747][ T4290] device bridge_slave_1 entered promiscuous mode [ 71.068673][ T1422] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.075215][ T1422] ieee802154 phy1 wpan1: encryption failed: -22 [ 71.090686][ T4290] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.105276][ T4290] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.136746][ T4290] team0: Port device team_slave_0 added [ 71.144321][ T4290] team0: Port device team_slave_1 added [ 71.168204][ T4290] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 71.175144][ T4290] 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. [ 71.201054][ T4290] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 71.212976][ T4290] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 71.219956][ T4290] 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. [ 71.246337][ T4290] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 71.280454][ T4290] device hsr_slave_0 entered promiscuous mode [ 71.289168][ T4290] device hsr_slave_1 entered promiscuous mode [ 71.296279][ T4290] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 71.304158][ T4290] Cannot create hsr debugfs directory [ 71.387773][ T4290] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 72.836487][ T4248] Bluetooth: hci0: command 0x0409 tx timeout [ 74.512718][ T4290] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 74.591744][ T4290] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 74.669305][ T4290] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 74.763652][ T4290] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 74.790538][ T4290] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 74.799331][ T4290] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 74.808771][ T4290] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 74.868316][ T4290] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.893148][ T1221] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 74.901224][ T1221] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.907291][ T1108] Bluetooth: hci0: command 0x041b tx timeout [ 74.912811][ T4290] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.924083][ T1221] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 74.933089][ T1221] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.941930][ T1221] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.949021][ T1221] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.959132][ T1221] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 74.969868][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 74.979767][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.988376][ T144] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.995418][ T144] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.022177][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 75.033375][ T1221] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 75.045048][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 75.054086][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 75.062624][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 75.090534][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 75.099837][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 75.110912][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 75.119386][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 75.130036][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 75.138955][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 75.151189][ T4290] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 75.256570][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 75.263989][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 75.279083][ T4290] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 75.293926][ T390] device hsr_slave_0 left promiscuous mode [ 75.300667][ T390] device hsr_slave_1 left promiscuous mode [ 75.309447][ T390] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 75.317037][ T390] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 75.325106][ T390] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 75.332733][ T390] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 75.340580][ T390] device bridge_slave_1 left promiscuous mode [ 75.348222][ T390] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.360964][ T390] device bridge_slave_0 left promiscuous mode [ 75.367295][ T390] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.383946][ T390] device veth1_macvtap left promiscuous mode [ 75.390344][ T390] device veth0_macvtap left promiscuous mode [ 75.397724][ T390] device veth1_vlan left promiscuous mode [ 75.403585][ T390] device veth0_vlan left promiscuous mode [ 75.552704][ T390] team0 (unregistering): Port device team_slave_1 removed [ 75.564422][ T390] team0 (unregistering): Port device team_slave_0 removed [ 75.578966][ T390] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 75.593628][ T390] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 75.647225][ T390] bond0 (unregistering): Released all slaves [ 75.729702][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 75.738522][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 75.759099][ T1221] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 75.767868][ T1221] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 75.778603][ T4290] device veth0_vlan entered promiscuous mode [ 75.797080][ T4290] device veth1_vlan entered promiscuous mode [ 75.804371][ T1221] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 75.812263][ T1221] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 75.820200][ T1221] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 75.838849][ T1221] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 75.847369][ T1221] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 75.856622][ T1221] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 75.867475][ T4290] device veth0_macvtap entered promiscuous mode [ 75.878052][ T4290] device veth1_macvtap entered promiscuous mode [ 75.894925][ T4290] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 75.903080][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 75.912036][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 75.920268][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 75.929379][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 75.940313][ T4290] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 75.951866][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 75.960768][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 75.976974][ T4290] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.986872][ T4290] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.996291][ T4290] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.004982][ T4290] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.058532][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 76.071843][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 76.090078][ T144] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 76.091928][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 76.106196][ T144] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 76.122496][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 76.258941][ T4309] [ 76.261312][ T4309] ====================================================== [ 76.268335][ T4309] WARNING: possible circular locking dependency detected [ 76.275373][ T4309] 5.15.187-syzkaller #0 Not tainted [ 76.280598][ T4309] ------------------------------------------------------ [ 76.287632][ T4309] syz.0.16/4309 is trying to acquire lock: [ 76.293441][ T4309] ffff88802326cc28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xc1/0x1b0 [ 76.304517][ T4309] [ 76.304517][ T4309] but task is already holding lock: [ 76.311884][ T4309] ffffffff8d4bf5a8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x19e/0x560 [ 76.321640][ T4309] [ 76.321640][ T4309] which lock already depends on the new lock. [ 76.321640][ T4309] [ 76.332048][ T4309] [ 76.332048][ T4309] the existing dependency chain (in reverse order) is: [ 76.341064][ T4309] [ 76.341064][ T4309] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 76.349066][ T4309] __mutex_lock_common+0x1eb/0x2390 [ 76.354806][ T4309] mutex_lock_nested+0x17/0x20 [ 76.360112][ T4309] rfkill_register+0x33/0x8a0 [ 76.365315][ T4309] hci_register_dev+0x452/0x970 [ 76.370713][ T4309] vhci_create_device+0x32c/0x5c0 [ 76.376278][ T4309] vhci_write+0x391/0x450 [ 76.381133][ T4309] vfs_write+0x712/0xd00 [ 76.385902][ T4309] ksys_write+0x14d/0x250 [ 76.390763][ T4309] do_syscall_64+0x4c/0xa0 [ 76.395709][ T4309] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 76.402132][ T4309] [ 76.402132][ T4309] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 76.409955][ T4309] __mutex_lock_common+0x1eb/0x2390 [ 76.415695][ T4309] mutex_lock_nested+0x17/0x20 [ 76.420996][ T4309] vhci_send_frame+0x88/0x100 [ 76.426204][ T4309] hci_send_frame+0x1a9/0x2e0 [ 76.431417][ T4309] hci_tx_work+0x9f9/0x1710 [ 76.436460][ T4309] process_one_work+0x863/0x1000 [ 76.441936][ T4309] worker_thread+0xaa8/0x12a0 [ 76.447153][ T4309] kthread+0x436/0x520 [ 76.451755][ T4309] ret_from_fork+0x1f/0x30 [ 76.456699][ T4309] [ 76.456699][ T4309] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 76.465933][ T4309] __flush_work+0xdd/0x1b0 [ 76.470874][ T4309] hci_dev_do_close+0x1e7/0x1030 [ 76.476346][ T4309] hci_unregister_dev+0x2d7/0x580 [ 76.481910][ T4309] vhci_release+0x73/0xc0 [ 76.486779][ T4309] __fput+0x234/0x930 [ 76.491305][ T4309] task_work_run+0x125/0x1a0 [ 76.496428][ T4309] do_exit+0x61e/0x20a0 [ 76.501120][ T4309] do_group_exit+0x12e/0x300 [ 76.506245][ T4309] get_signal+0x6ca/0x12c0 [ 76.511187][ T4309] arch_do_signal_or_restart+0xc1/0x1300 [ 76.517350][ T4309] exit_to_user_mode_loop+0x9e/0x130 [ 76.523429][ T4309] exit_to_user_mode_prepare+0xb1/0x140 [ 76.529509][ T4309] syscall_exit_to_user_mode+0x16/0x40 [ 76.535509][ T4309] do_syscall_64+0x58/0xa0 [ 76.540477][ T4309] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 76.546915][ T4309] [ 76.546915][ T4309] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 76.554575][ T4309] __mutex_lock_common+0x1eb/0x2390 [ 76.560397][ T4309] mutex_lock_nested+0x17/0x20 [ 76.565698][ T4309] bg_scan_update+0x44/0x3b0 [ 76.570817][ T4309] process_one_work+0x863/0x1000 [ 76.576292][ T4309] worker_thread+0xaa8/0x12a0 [ 76.581511][ T4309] kthread+0x436/0x520 [ 76.586103][ T4309] ret_from_fork+0x1f/0x30 [ 76.591044][ T4309] [ 76.591044][ T4309] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 76.600866][ T4309] __lock_acquire+0x2c33/0x7c60 [ 76.606258][ T4309] lock_acquire+0x197/0x3f0 [ 76.611290][ T4309] __flush_work+0xdd/0x1b0 [ 76.616228][ T4309] __cancel_work_timer+0x3ac/0x520 [ 76.621869][ T4309] hci_request_cancel_all+0xcc/0x300 [ 76.627691][ T4309] hci_dev_do_close+0x4e/0x1030 [ 76.633073][ T4309] hci_rfkill_set_block+0x10a/0x190 [ 76.638809][ T4309] rfkill_set_block+0x1c6/0x420 [ 76.644199][ T4309] rfkill_fop_write+0x458/0x560 [ 76.649587][ T4309] vfs_write+0x300/0xd00 [ 76.654372][ T4309] ksys_write+0x14d/0x250 [ 76.659243][ T4309] do_syscall_64+0x4c/0xa0 [ 76.664199][ T4309] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 76.670627][ T4309] [ 76.670627][ T4309] other info that might help us debug this: [ 76.670627][ T4309] [ 76.680857][ T4309] Chain exists of: [ 76.680857][ T4309] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 76.680857][ T4309] [ 76.696604][ T4309] Possible unsafe locking scenario: [ 76.696604][ T4309] [ 76.704058][ T4309] CPU0 CPU1 [ 76.709441][ T4309] ---- ---- [ 76.714817][ T4309] lock(rfkill_global_mutex); [ 76.719617][ T4309] lock(&data->open_mutex); [ 76.726866][ T4309] lock(rfkill_global_mutex); [ 76.734167][ T4309] lock((work_completion)(&hdev->bg_scan_update)); [ 76.740793][ T4309] [ 76.740793][ T4309] *** DEADLOCK *** [ 76.740793][ T4309] [ 76.748950][ T4309] 1 lock held by syz.0.16/4309: [ 76.753806][ T4309] #0: ffffffff8d4bf5a8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x19e/0x560 [ 76.763918][ T4309] [ 76.763918][ T4309] stack backtrace: [ 76.769819][ T4309] CPU: 1 PID: 4309 Comm: syz.0.16 Not tainted 5.15.187-syzkaller #0 [ 76.777815][ T4309] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 76.787892][ T4309] Call Trace: [ 76.791184][ T4309] [ 76.794121][ T4309] dump_stack_lvl+0x168/0x230 [ 76.798848][ T4309] ? load_image+0x3b0/0x3b0 [ 76.803388][ T4309] ? show_regs_print_info+0x20/0x20 [ 76.808617][ T4309] ? print_circular_bug+0x12b/0x1a0 [ 76.813837][ T4309] check_noncircular+0x274/0x310 [ 76.818802][ T4309] ? add_chain_block+0x940/0x940 [ 76.823757][ T4309] ? lockdep_lock+0xdc/0x1e0 [ 76.828361][ T4309] ? __lock_acquire+0x12d9/0x7c60 [ 76.833422][ T4309] ? lockdep_lock+0x1e0/0x1e0 [ 76.838115][ T4309] ? mark_lock+0x94/0x320 [ 76.842462][ T4309] __lock_acquire+0x2c33/0x7c60 [ 76.847332][ T4309] ? verify_lock_unused+0x140/0x140 [ 76.852562][ T4309] ? verify_lock_unused+0x140/0x140 [ 76.857787][ T4309] lock_acquire+0x197/0x3f0 [ 76.862306][ T4309] ? __flush_work+0xc1/0x1b0 [ 76.866912][ T4309] ? __lock_acquire+0x7c60/0x7c60 [ 76.871978][ T4309] ? read_lock_is_recursive+0x10/0x10 [ 76.877370][ T4309] ? start_flush_work+0x776/0x820 [ 76.882418][ T4309] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 76.888558][ T4309] ? _raw_spin_unlock+0x40/0x40 [ 76.893435][ T4309] __flush_work+0xdd/0x1b0 [ 76.897867][ T4309] ? __flush_work+0xc1/0x1b0 [ 76.902477][ T4309] ? flush_work+0x20/0x20 [ 76.906821][ T4309] ? try_to_grab_pending+0xf3/0x7e0 [ 76.912039][ T4309] ? lockdep_hardirqs_off+0x70/0x100 [ 76.917361][ T4309] ? mark_lock+0x94/0x320 [ 76.921719][ T4309] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 76.927723][ T4309] ? lock_chain_count+0x20/0x20 [ 76.932585][ T4309] ? mark_lock+0x94/0x320 [ 76.936929][ T4309] ? __cancel_work_timer+0x331/0x520 [ 76.942252][ T4309] __cancel_work_timer+0x3ac/0x520 [ 76.947397][ T4309] ? cancel_work_sync+0x20/0x20 [ 76.952266][ T4309] ? __cancel_work+0x1f4/0x2d0 [ 76.957040][ T4309] ? lockdep_hardirqs_on+0x94/0x140 [ 76.962255][ T4309] ? __cancel_work+0x26f/0x2d0 [ 76.967027][ T4309] ? cancel_work+0x20/0x20 [ 76.971457][ T4309] ? lock_chain_count+0x20/0x20 [ 76.976328][ T4309] hci_request_cancel_all+0xcc/0x300 [ 76.981627][ T4309] hci_dev_do_close+0x4e/0x1030 [ 76.986494][ T4309] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 76.992428][ T4309] ? _raw_spin_unlock+0x40/0x40 [ 76.997427][ T4309] hci_rfkill_set_block+0x10a/0x190 [ 77.002641][ T4309] ? rcu_lock_release+0x20/0x20 [ 77.007506][ T4309] rfkill_set_block+0x1c6/0x420 [ 77.012379][ T4309] rfkill_fop_write+0x458/0x560 [ 77.017250][ T4309] ? verify_lock_unused+0x140/0x140 [ 77.022464][ T4309] ? rfkill_fop_read+0x4b0/0x4b0 [ 77.027420][ T4309] ? common_file_perm+0xe0/0x1c0 [ 77.032371][ T4309] ? fsnotify_perm+0x5d/0x560 [ 77.037102][ T4309] ? security_file_permission+0x75/0xa0 [ 77.042663][ T4309] ? rfkill_fop_read+0x4b0/0x4b0 [ 77.047618][ T4309] vfs_write+0x300/0xd00 [ 77.051874][ T4309] ? file_end_write+0x250/0x250 [ 77.056747][ T4309] ? __context_tracking_exit+0x4c/0x80 [ 77.062227][ T4309] ? __lock_acquire+0x7c60/0x7c60 [ 77.067269][ T4309] ? __fdget_pos+0x1e2/0x370 [ 77.071873][ T4309] ksys_write+0x14d/0x250 [ 77.076219][ T4309] ? __ia32_sys_read+0x80/0x80 [ 77.080996][ T4309] ? lockdep_hardirqs_on+0x94/0x140 [ 77.086206][ T4309] do_syscall_64+0x4c/0xa0 [ 77.090628][ T4309] ? clear_bhb_loop+0x30/0x80 [ 77.095326][ T4309] ? clear_bhb_loop+0x30/0x80 [ 77.100058][ T4309] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 77.105985][ T4309] RIP: 0033:0x7f992f98e929 [ 77.110427][ T4309] 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 [ 77.130046][ T4309] RSP: 002b:00007ffd28bb3338 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 77.138499][ T4309] RAX: ffffffffffffffda RBX: 00007f992fbb5fa0 RCX: 00007f992f98e929 [ 77.146490][ T4309] RDX: 0000000000000008 RSI: 0000200000000080 RDI: 0000000000000003 [ 77.154475][ T4309] RBP: 00007f992fa10b39 R08: 0000000000000000 R09: 0000000000000000 [ 77.162558][ T4309] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 77.170563][ T4309] R13: 00007f992fbb5fa0 R14: 00007f992fbb5fa0 R15: 0000000000000003 [ 77.178557][ T4309] [ 77.199206][ T1108] Bluetooth: hci0: command 0x040f tx timeout