Warning: Permanently added '10.128.1.161' (ED25519) to the list of known hosts. 2025/08/16 04:48:19 ignoring optional flag "sandboxArg"="0" 2025/08/16 04:48:20 parsed 1 programs [ 53.164188][ T4188] cgroup: Unknown subsys name 'net' [ 53.298651][ T4188] cgroup: Unknown subsys name 'rlimit' [ 54.542243][ T4188] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 56.720440][ T614] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 56.738774][ T614] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 56.757037][ T1562] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 56.774552][ T614] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 56.783483][ T614] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 56.792351][ T1562] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 57.534490][ T4246] chnl_net:caif_netlink_parms(): no params data found [ 57.578781][ T4246] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.586641][ T4246] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.594658][ T4246] device bridge_slave_0 entered promiscuous mode [ 57.603839][ T4246] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.610946][ T4246] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.612380][ T154] ODEBUG: Out of memory. ODEBUG disabled [ 57.618876][ T4246] device bridge_slave_1 entered promiscuous mode [ 57.648085][ T4246] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.659056][ T4246] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.683076][ T4246] team0: Port device team_slave_0 added [ 57.694716][ T4246] team0: Port device team_slave_1 added [ 57.741106][ T4246] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 57.749141][ T4246] 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. [ 57.775450][ T4246] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 57.791769][ T4246] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 57.799072][ T4246] 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. [ 57.828117][ T4246] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 57.873121][ T4246] device hsr_slave_0 entered promiscuous mode [ 57.880375][ T4246] device hsr_slave_1 entered promiscuous mode [ 57.949982][ T4246] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 57.959290][ T4246] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 57.968249][ T4246] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 57.977122][ T4246] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 57.996954][ T4246] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.004234][ T4246] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.011678][ T4246] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.018753][ T4246] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.051147][ T4246] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.062341][ T1562] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.072552][ T1562] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.080956][ T1562] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.089240][ T1562] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 58.100933][ T4246] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.111305][ T1562] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.120639][ T1562] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.127713][ T1562] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.137877][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.146627][ T144] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.153689][ T144] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.170022][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.188608][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.196916][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.205303][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.213523][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.223108][ T4246] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.312807][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.320570][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.331975][ T4246] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.363089][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 58.378955][ T1562] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 58.387986][ T1562] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 58.395896][ T1562] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 58.406415][ T4246] device veth0_vlan entered promiscuous mode [ 58.429274][ T4246] device veth1_vlan entered promiscuous mode [ 58.448452][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 58.457110][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 58.465714][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 58.475948][ T4246] device veth0_macvtap entered promiscuous mode [ 58.485588][ T4246] device veth1_macvtap entered promiscuous mode [ 58.505430][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 58.517387][ T4246] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 58.524967][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 58.535047][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 58.563085][ T4246] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 58.570673][ T1562] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 58.580069][ T1562] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 58.591574][ T4246] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.602700][ T4246] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.611431][ T4246] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.620295][ T4246] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 2025/08/16 04:48:27 executed programs: 0 [ 59.554814][ T4285] chnl_net:caif_netlink_parms(): no params data found [ 59.609927][ T4285] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.617124][ T4285] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.627482][ T4285] device bridge_slave_0 entered promiscuous mode [ 59.648167][ T4285] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.655384][ T4285] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.665806][ T4285] device bridge_slave_1 entered promiscuous mode [ 59.692118][ T4285] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.705871][ T4285] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.736705][ T4285] team0: Port device team_slave_0 added [ 59.744692][ T4285] team0: Port device team_slave_1 added [ 59.767083][ T4285] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 59.774289][ 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. [ 59.802714][ T4285] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 59.819477][ T4285] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 59.826698][ 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. [ 59.857274][ T4285] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 59.899028][ T4285] device hsr_slave_0 entered promiscuous mode [ 59.908321][ T4285] device hsr_slave_1 entered promiscuous mode [ 59.915265][ T4285] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 59.923069][ T4285] Cannot create hsr debugfs directory [ 60.007121][ T4285] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 61.473919][ T21] Bluetooth: hci0: command 0x0409 tx timeout [ 63.388045][ T4285] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 63.553649][ T13] Bluetooth: hci0: command 0x041b tx timeout [ 63.937460][ T4285] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 64.008210][ T4285] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 64.102995][ T4285] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 64.111879][ T4285] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 64.121837][ T4285] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 64.130564][ T4285] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 64.178964][ T4285] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.196219][ T1562] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.205840][ T1562] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.215908][ T4285] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.232028][ T1562] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.240646][ T1562] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.249222][ T1562] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.256308][ T1562] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.265155][ T1562] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.275292][ T1562] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.284494][ T1562] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.292768][ T1562] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.299825][ T1562] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.324722][ T1562] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.333196][ T1562] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.341712][ T1562] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.351460][ T1562] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.360741][ T1562] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.369250][ T1562] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.377930][ T1562] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.386884][ T1562] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.395101][ T1562] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.417929][ T1562] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.426513][ T1562] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.436924][ T4285] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.515749][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 64.523193][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 64.537291][ T4285] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.547386][ T154] device hsr_slave_0 left promiscuous mode [ 64.554074][ T154] device hsr_slave_1 left promiscuous mode [ 64.560510][ T154] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 64.568585][ T154] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 64.576810][ T154] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 64.584259][ T154] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 64.591923][ T154] device bridge_slave_1 left promiscuous mode [ 64.598988][ T154] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.610779][ T154] device bridge_slave_0 left promiscuous mode [ 64.618364][ T154] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.634263][ T154] device veth1_macvtap left promiscuous mode [ 64.640380][ T154] device veth0_macvtap left promiscuous mode [ 64.647035][ T154] device veth1_vlan left promiscuous mode [ 64.652883][ T154] device veth0_vlan left promiscuous mode [ 64.756129][ T154] team0 (unregistering): Port device team_slave_1 removed [ 64.768165][ T154] team0 (unregistering): Port device team_slave_0 removed [ 64.781040][ T154] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 64.792924][ T154] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 64.835919][ T154] bond0 (unregistering): Released all slaves [ 64.896018][ T1562] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 64.904914][ T1562] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 64.919332][ T1562] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 64.928093][ T1562] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 64.937499][ T1562] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 64.946059][ T1562] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 64.955593][ T4285] device veth0_vlan entered promiscuous mode [ 64.970467][ T4285] device veth1_vlan entered promiscuous mode [ 64.990749][ T1562] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 64.998757][ T1562] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 65.007044][ T1562] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 65.015662][ T1562] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 65.026079][ T4285] device veth0_macvtap entered promiscuous mode [ 65.035149][ T4285] device veth1_macvtap entered promiscuous mode [ 65.052049][ T4285] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 65.061696][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 65.070436][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 65.079741][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 65.089989][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 65.100210][ T4285] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 65.110660][ T4285] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.119610][ T4285] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.128339][ T4285] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.137279][ T4285] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.156349][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 65.165755][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 65.203075][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 65.220542][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 65.235014][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 65.254249][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 65.262325][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 65.271484][ T1562] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 65.338147][ T4304] [ 65.340491][ T4304] ====================================================== [ 65.347501][ T4304] WARNING: possible circular locking dependency detected [ 65.354512][ T4304] 5.15.189-syzkaller #0 Not tainted [ 65.359701][ T4304] ------------------------------------------------------ [ 65.366707][ T4304] syz.0.17/4304 is trying to acquire lock: [ 65.372498][ T4304] ffff8880256a8c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xc1/0x1b0 [ 65.383546][ T4304] [ 65.383546][ T4304] but task is already holding lock: [ 65.390902][ T4304] ffffffff8d4be228 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x19e/0x560 [ 65.400557][ T4304] [ 65.400557][ T4304] which lock already depends on the new lock. [ 65.400557][ T4304] [ 65.410951][ T4304] [ 65.410951][ T4304] the existing dependency chain (in reverse order) is: [ 65.419958][ T4304] [ 65.419958][ T4304] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 65.427949][ T4304] __mutex_lock_common+0x1eb/0x2390 [ 65.433668][ T4304] mutex_lock_nested+0x17/0x20 [ 65.438949][ T4304] rfkill_register+0x33/0x8a0 [ 65.444140][ T4304] hci_register_dev+0x452/0x970 [ 65.449505][ T4304] vhci_create_device+0x32c/0x5c0 [ 65.455043][ T4304] vhci_write+0x391/0x450 [ 65.459882][ T4304] vfs_write+0x712/0xd00 [ 65.464632][ T4304] ksys_write+0x14d/0x250 [ 65.469467][ T4304] do_syscall_64+0x4c/0xa0 [ 65.474394][ T4304] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 65.480800][ T4304] [ 65.480800][ T4304] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 65.488607][ T4304] __mutex_lock_common+0x1eb/0x2390 [ 65.494325][ T4304] mutex_lock_nested+0x17/0x20 [ 65.499604][ T4304] vhci_send_frame+0x88/0x100 [ 65.504796][ T4304] hci_send_frame+0x1a9/0x2e0 [ 65.509986][ T4304] hci_tx_work+0x9f9/0x1710 [ 65.514997][ T4304] process_one_work+0x863/0x1000 [ 65.520455][ T4304] worker_thread+0xaa8/0x12a0 [ 65.525644][ T4304] kthread+0x436/0x520 [ 65.530227][ T4304] ret_from_fork+0x1f/0x30 [ 65.535156][ T4304] [ 65.535156][ T4304] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 65.544379][ T4304] __flush_work+0xdd/0x1b0 [ 65.549302][ T4304] hci_dev_do_close+0x1e7/0x1030 [ 65.554745][ T4304] hci_unregister_dev+0x2d7/0x580 [ 65.560268][ T4304] vhci_release+0x73/0xc0 [ 65.565101][ T4304] __fput+0x234/0x930 [ 65.569580][ T4304] task_work_run+0x125/0x1a0 [ 65.574673][ T4304] do_exit+0x61e/0x20a0 [ 65.579332][ T4304] do_group_exit+0x12e/0x300 [ 65.584417][ T4304] get_signal+0x6ca/0x12c0 [ 65.589329][ T4304] arch_do_signal_or_restart+0xc1/0x1300 [ 65.595461][ T4304] exit_to_user_mode_loop+0x9e/0x130 [ 65.601247][ T4304] exit_to_user_mode_prepare+0xb1/0x140 [ 65.607288][ T4304] syscall_exit_to_user_mode+0x16/0x40 [ 65.613247][ T4304] do_syscall_64+0x58/0xa0 [ 65.618165][ T4304] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 65.624559][ T4304] [ 65.624559][ T4304] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 65.632178][ T4304] __mutex_lock_common+0x1eb/0x2390 [ 65.637875][ T4304] mutex_lock_nested+0x17/0x20 [ 65.643137][ T4304] bg_scan_update+0x44/0x3b0 [ 65.648224][ T4304] process_one_work+0x863/0x1000 [ 65.653665][ T4304] worker_thread+0xaa8/0x12a0 [ 65.658840][ T4304] kthread+0x436/0x520 [ 65.663534][ T4304] ret_from_fork+0x1f/0x30 [ 65.668451][ T4304] [ 65.668451][ T4304] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 65.678236][ T4304] __lock_acquire+0x2c33/0x7c60 [ 65.683584][ T4304] lock_acquire+0x197/0x3f0 [ 65.688582][ T4304] __flush_work+0xdd/0x1b0 [ 65.693500][ T4304] __cancel_work_timer+0x3ac/0x520 [ 65.699105][ T4304] hci_request_cancel_all+0xcc/0x300 [ 65.704886][ T4304] hci_dev_do_close+0x4e/0x1030 [ 65.710264][ T4304] hci_rfkill_set_block+0x10a/0x190 [ 65.715958][ T4304] rfkill_set_block+0x1c6/0x420 [ 65.721307][ T4304] rfkill_fop_write+0x458/0x560 [ 65.726651][ T4304] vfs_write+0x300/0xd00 [ 65.731396][ T4304] ksys_write+0x14d/0x250 [ 65.736219][ T4304] do_syscall_64+0x4c/0xa0 [ 65.741133][ T4304] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 65.747521][ T4304] [ 65.747521][ T4304] other info that might help us debug this: [ 65.747521][ T4304] [ 65.757722][ T4304] Chain exists of: [ 65.757722][ T4304] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 65.757722][ T4304] [ 65.773417][ T4304] Possible unsafe locking scenario: [ 65.773417][ T4304] [ 65.780839][ T4304] CPU0 CPU1 [ 65.786176][ T4304] ---- ---- [ 65.791513][ T4304] lock(rfkill_global_mutex); [ 65.796250][ T4304] lock(&data->open_mutex); [ 65.803332][ T4304] lock(rfkill_global_mutex); [ 65.810586][ T4304] lock((work_completion)(&hdev->bg_scan_update)); [ 65.817145][ T4304] [ 65.817145][ T4304] *** DEADLOCK *** [ 65.817145][ T4304] [ 65.825258][ T4304] 1 lock held by syz.0.17/4304: [ 65.830079][ T4304] #0: ffffffff8d4be228 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x19e/0x560 [ 65.840239][ T4304] [ 65.840239][ T4304] stack backtrace: [ 65.846100][ T4304] CPU: 0 PID: 4304 Comm: syz.0.17 Not tainted 5.15.189-syzkaller #0 [ 65.854050][ T4304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 65.864090][ T4304] Call Trace: [ 65.867347][ T4304] [ 65.870258][ T4304] dump_stack_lvl+0x168/0x230 [ 65.874917][ T4304] ? load_image+0x3b0/0x3b0 [ 65.879397][ T4304] ? show_regs_print_info+0x20/0x20 [ 65.884574][ T4304] ? print_circular_bug+0x12b/0x1a0 [ 65.889767][ T4304] check_noncircular+0x274/0x310 [ 65.894684][ T4304] ? add_chain_block+0x940/0x940 [ 65.899595][ T4304] ? lockdep_lock+0xdc/0x1e0 [ 65.904162][ T4304] ? __lock_acquire+0x12d9/0x7c60 [ 65.909162][ T4304] ? lockdep_lock+0x1e0/0x1e0 [ 65.913815][ T4304] ? mark_lock+0x94/0x320 [ 65.918138][ T4304] __lock_acquire+0x2c33/0x7c60 [ 65.922981][ T4304] ? verify_lock_unused+0x140/0x140 [ 65.928161][ T4304] lock_acquire+0x197/0x3f0 [ 65.932646][ T4304] ? __flush_work+0xc1/0x1b0 [ 65.937221][ T4304] ? __lock_acquire+0x7c60/0x7c60 [ 65.942223][ T4304] ? read_lock_is_recursive+0x10/0x10 [ 65.947572][ T4304] ? start_flush_work+0x776/0x820 [ 65.952582][ T4304] __flush_work+0xdd/0x1b0 [ 65.957019][ T4304] ? __flush_work+0xc1/0x1b0 [ 65.961785][ T4304] ? flush_work+0x20/0x20 [ 65.966106][ T4304] ? try_to_grab_pending+0xf3/0x7e0 [ 65.971282][ T4304] ? lockdep_hardirqs_off+0x70/0x100 [ 65.976546][ T4304] ? mark_lock+0x94/0x320 [ 65.980860][ T4304] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 65.986819][ T4304] ? lock_chain_count+0x20/0x20 [ 65.991653][ T4304] ? mark_lock+0x94/0x320 [ 65.995961][ T4304] ? __cancel_work_timer+0x331/0x520 [ 66.001225][ T4304] __cancel_work_timer+0x3ac/0x520 [ 66.006318][ T4304] ? cancel_work_sync+0x20/0x20 [ 66.011144][ T4304] ? __cancel_work+0x1f4/0x2d0 [ 66.015880][ T4304] ? lockdep_hardirqs_on+0x94/0x140 [ 66.021057][ T4304] ? __cancel_work+0x26f/0x2d0 [ 66.025797][ T4304] ? cancel_work+0x20/0x20 [ 66.030190][ T4304] ? lock_chain_count+0x20/0x20 [ 66.035022][ T4304] hci_request_cancel_all+0xcc/0x300 [ 66.040289][ T4304] hci_dev_do_close+0x4e/0x1030 [ 66.045118][ T4304] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 66.050989][ T4304] ? _raw_spin_unlock+0x40/0x40 [ 66.055822][ T4304] hci_rfkill_set_block+0x10a/0x190 [ 66.061003][ T4304] ? rcu_lock_release+0x20/0x20 [ 66.065832][ T4304] rfkill_set_block+0x1c6/0x420 [ 66.070667][ T4304] rfkill_fop_write+0x458/0x560 [ 66.075495][ T4304] ? verify_lock_unused+0x140/0x140 [ 66.080672][ T4304] ? rfkill_fop_read+0x4b0/0x4b0 [ 66.085591][ T4304] ? common_file_perm+0x150/0x1c0 [ 66.090594][ T4304] ? fsnotify_perm+0x5d/0x560 [ 66.095247][ T4304] ? security_file_permission+0x75/0xa0 [ 66.100770][ T4304] ? rfkill_fop_read+0x4b0/0x4b0 [ 66.105687][ T4304] vfs_write+0x300/0xd00 [ 66.109913][ T4304] ? file_end_write+0x250/0x250 [ 66.114745][ T4304] ? __context_tracking_exit+0x4c/0x80 [ 66.120185][ T4304] ? __lock_acquire+0x7c60/0x7c60 [ 66.125187][ T4304] ? __fdget_pos+0x1e2/0x370 [ 66.129755][ T4304] ksys_write+0x14d/0x250 [ 66.134062][ T4304] ? __ia32_sys_read+0x80/0x80 [ 66.138811][ T4304] ? lockdep_hardirqs_on+0x94/0x140 [ 66.143990][ T4304] do_syscall_64+0x4c/0xa0 [ 66.148386][ T4304] ? clear_bhb_loop+0x30/0x80 [ 66.153047][ T4304] ? clear_bhb_loop+0x30/0x80 [ 66.157703][ T4304] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 66.163586][ T4304] RIP: 0033:0x7f7071260be9 [ 66.167981][ T4304] 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 [ 66.187565][ T4304] RSP: 002b:00007ffdf4fc5888 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 66.195957][ T4304] RAX: ffffffffffffffda RBX: 00007f7071487fa0 RCX: 00007f7071260be9 [ 66.203909][ T4304] RDX: 0000000000000008 RSI: 00002000000002c0 RDI: 0000000000000003 [ 66.211858][ T4304] RBP: 00007f70712e3e19 R08: 0000000000000000 R09: 0000000000000000 [ 66.219805][ T4304] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 66.227754][ T4304] R13: 00007f7071487fa0 R14: 00007f7071487fa0 R15: 0000000000000003 [ 66.235708][ T4304] [ 66.241022][ T4254] Bluetooth: hci0: command 0x040f tx timeout