Warning: Permanently added '10.128.1.208' (ED25519) to the list of known hosts. 2025/08/16 03:48:07 ignoring optional flag "sandboxArg"="0" 2025/08/16 03:48:08 parsed 1 programs [ 47.177322][ T4190] cgroup: Unknown subsys name 'net' [ 47.309213][ T4190] cgroup: Unknown subsys name 'rlimit' [ 48.541089][ T4190] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 50.430868][ T4219] chnl_net:caif_netlink_parms(): no params data found [ 50.487270][ T4219] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.495226][ T4219] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.503275][ T4219] device bridge_slave_0 entered promiscuous mode [ 50.513031][ T4219] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.520321][ T4219] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.528607][ T4219] device bridge_slave_1 entered promiscuous mode [ 50.555217][ T4219] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 50.566263][ T4219] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 50.593580][ T4219] team0: Port device team_slave_0 added [ 50.601354][ T4219] team0: Port device team_slave_1 added [ 50.625457][ T4219] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 50.632418][ T4219] 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. [ 50.658729][ T4219] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 50.671743][ T4219] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 50.679066][ T4219] 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. [ 50.705296][ T4219] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 50.741094][ T4219] device hsr_slave_0 entered promiscuous mode [ 50.747938][ T4219] device hsr_slave_1 entered promiscuous mode [ 50.872584][ T4219] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 50.883848][ T4219] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 50.893796][ T4219] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 50.904505][ T4219] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 50.936838][ T4219] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.944096][ T4219] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.951966][ T4219] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.959086][ T4219] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.970909][ T155] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.980606][ T155] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.030444][ T4219] 8021q: adding VLAN 0 to HW filter on device bond0 [ 51.046353][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 51.056484][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 51.067469][ T4219] 8021q: adding VLAN 0 to HW filter on device team0 [ 51.077795][ T1283] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 51.086942][ T1283] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 51.096890][ T1283] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.103992][ T1283] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.116123][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 51.124968][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 51.133409][ T155] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.140501][ T155] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.166484][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 51.176697][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 51.186934][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 51.196543][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 51.206758][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 51.216087][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 51.225487][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 51.238668][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 51.247596][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 51.261763][ T4219] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 51.274610][ T4219] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 51.286682][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 51.295512][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 51.405583][ T1238] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 51.413051][ T1238] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 51.429397][ T4219] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 51.445774][ T1238] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 51.454881][ T1238] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 51.469863][ T1238] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 51.478630][ T1238] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 51.490136][ T1238] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 51.498355][ T1238] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 51.508054][ T4219] device veth0_vlan entered promiscuous mode [ 51.520858][ T4219] device veth1_vlan entered promiscuous mode [ 51.552274][ T1238] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 51.560880][ T1238] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 51.569990][ T1238] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 51.578954][ T1238] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 51.590620][ T4219] device veth0_macvtap entered promiscuous mode [ 51.609118][ T4219] device veth1_macvtap entered promiscuous mode [ 51.622883][ T4219] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 51.631771][ T1238] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 51.640641][ T1238] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 51.649060][ T1238] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 51.658033][ T1238] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 51.668179][ T4219] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 51.677163][ T1238] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 51.685788][ T1238] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 51.695848][ T4219] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.705630][ T4219] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.714555][ T4219] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.723322][ T4219] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.882908][ T1238] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 52.902465][ T1238] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 52.921200][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 52.941194][ T154] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 52.950265][ T154] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 52.961651][ T1238] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2025/08/16 03:48:16 executed programs: 0 [ 53.692126][ T4283] chnl_net:caif_netlink_parms(): no params data found [ 53.717230][ T9] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 53.751307][ T4283] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.758655][ T4283] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.766562][ T4283] device bridge_slave_0 entered promiscuous mode [ 53.774943][ T4283] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.782055][ T4283] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.790044][ T4283] device bridge_slave_1 entered promiscuous mode [ 53.809516][ T4283] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 53.821414][ T4283] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 53.841974][ T4283] team0: Port device team_slave_0 added [ 53.848934][ T4283] team0: Port device team_slave_1 added [ 53.866245][ T4283] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 53.873190][ T4283] 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. [ 53.899556][ T4283] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 53.912832][ T4283] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 53.919859][ T4283] 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. [ 53.945936][ T4283] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 53.971704][ T4283] device hsr_slave_0 entered promiscuous mode [ 53.978613][ T4283] device hsr_slave_1 entered promiscuous mode [ 53.985638][ T4283] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 53.993488][ T4283] Cannot create hsr debugfs directory [ 55.654846][ T4241] Bluetooth: hci0: command 0x0409 tx timeout [ 56.929578][ T9] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 56.978847][ T9] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 57.040745][ T9] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 57.744134][ T21] Bluetooth: hci0: command 0x041b tx timeout [ 58.011337][ T4283] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 58.024605][ T4283] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 58.037547][ T4283] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 58.079544][ T4283] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 58.159243][ T4283] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.170317][ T1283] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.178316][ T1283] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.188795][ T4283] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.206006][ T1283] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.216391][ T1283] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.226572][ T1283] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.233650][ T1283] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.241844][ T1283] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.251450][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.260383][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.268824][ T154] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.275874][ T154] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.300033][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.311997][ T1283] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.323443][ T1283] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.332641][ T1283] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.347583][ T1283] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.378108][ T1238] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.387151][ T1238] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.396730][ T1238] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.405164][ T1238] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.421166][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.429972][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.440291][ T4283] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.549668][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.558044][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.572259][ T4283] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.607558][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 58.616314][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 58.632369][ T1283] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 58.641046][ T1283] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 58.651080][ T1283] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 58.658909][ T1283] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 58.667346][ T4283] device veth0_vlan entered promiscuous mode [ 58.691931][ T4283] device veth1_vlan entered promiscuous mode [ 58.709030][ T1283] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 58.717601][ T1283] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 58.725929][ T1283] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 58.734653][ T1283] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 58.744822][ T4283] device veth0_macvtap entered promiscuous mode [ 58.753617][ T4283] device veth1_macvtap entered promiscuous mode [ 58.777396][ T4283] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 58.788415][ T4283] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 58.799570][ T4283] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 58.816654][ T1283] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 58.824792][ T1283] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 58.832611][ T1283] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 58.841301][ T1283] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 58.852667][ T4283] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 58.863401][ T4283] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 58.874440][ T4283] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 58.882134][ T1283] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 58.891388][ T1283] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 58.906623][ T4283] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.915612][ T4283] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.925843][ T4283] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.935546][ T4283] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.951820][ T9] device hsr_slave_0 left promiscuous mode [ 58.958738][ T9] device hsr_slave_1 left promiscuous mode [ 58.965298][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 58.972697][ T9] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 58.981389][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 58.990381][ T9] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 58.998016][ T9] device bridge_slave_1 left promiscuous mode [ 59.005147][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.020392][ T9] device bridge_slave_0 left promiscuous mode [ 59.026617][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.041868][ T9] device veth1_macvtap left promiscuous mode [ 59.048098][ T9] device veth0_macvtap left promiscuous mode [ 59.055813][ T9] device veth1_vlan left promiscuous mode [ 59.061649][ T9] device veth0_vlan left promiscuous mode [ 59.198306][ T9] team0 (unregistering): Port device team_slave_1 removed [ 59.209114][ T9] team0 (unregistering): Port device team_slave_0 removed [ 59.222043][ T9] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 59.236195][ T9] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 59.283993][ T9] bond0 (unregistering): Released all slaves [ 59.383776][ T1283] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 59.393259][ T1283] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 59.414681][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 59.432079][ T1283] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 59.440189][ T1283] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 59.449711][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 59.522143][ T4381] [ 59.524504][ T4381] ====================================================== [ 59.531508][ T4381] WARNING: possible circular locking dependency detected [ 59.538524][ T4381] 5.15.189-syzkaller #0 Not tainted [ 59.543889][ T4381] ------------------------------------------------------ [ 59.550902][ T4381] syz.0.17/4381 is trying to acquire lock: [ 59.556696][ T4381] ffff888029bb0c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xc1/0x1b0 [ 59.567751][ T4381] [ 59.567751][ T4381] but task is already holding lock: [ 59.575114][ T4381] ffffffff8d4be228 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x19e/0x560 [ 59.584770][ T4381] [ 59.584770][ T4381] which lock already depends on the new lock. [ 59.584770][ T4381] [ 59.595169][ T4381] [ 59.595169][ T4381] the existing dependency chain (in reverse order) is: [ 59.604183][ T4381] [ 59.604183][ T4381] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 59.612173][ T4381] __mutex_lock_common+0x1eb/0x2390 [ 59.617992][ T4381] mutex_lock_nested+0x17/0x20 [ 59.623284][ T4381] rfkill_register+0x33/0x8a0 [ 59.628484][ T4381] hci_register_dev+0x452/0x970 [ 59.633856][ T4381] vhci_create_device+0x32c/0x5c0 [ 59.639399][ T4381] vhci_write+0x391/0x450 [ 59.644254][ T4381] vfs_write+0x712/0xd00 [ 59.649013][ T4381] ksys_write+0x14d/0x250 [ 59.653950][ T4381] do_syscall_64+0x4c/0xa0 [ 59.659034][ T4381] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 59.665544][ T4381] [ 59.665544][ T4381] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 59.673355][ T4381] __mutex_lock_common+0x1eb/0x2390 [ 59.679076][ T4381] mutex_lock_nested+0x17/0x20 [ 59.684519][ T4381] vhci_send_frame+0x88/0x100 [ 59.689813][ T4381] hci_send_frame+0x1a9/0x2e0 [ 59.695016][ T4381] hci_tx_work+0x9f9/0x1710 [ 59.700089][ T4381] process_one_work+0x863/0x1000 [ 59.705561][ T4381] worker_thread+0xaa8/0x12a0 [ 59.710770][ T4381] kthread+0x436/0x520 [ 59.715353][ T4381] ret_from_fork+0x1f/0x30 [ 59.720291][ T4381] [ 59.720291][ T4381] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 59.729495][ T4381] __flush_work+0xdd/0x1b0 [ 59.734436][ T4381] hci_dev_do_close+0x1e7/0x1030 [ 59.739946][ T4381] hci_unregister_dev+0x2d7/0x580 [ 59.745492][ T4381] vhci_release+0x73/0xc0 [ 59.750343][ T4381] __fput+0x234/0x930 [ 59.754843][ T4381] task_work_run+0x125/0x1a0 [ 59.759964][ T4381] do_exit+0x61e/0x20a0 [ 59.764651][ T4381] do_group_exit+0x12e/0x300 [ 59.769761][ T4381] get_signal+0x6ca/0x12c0 [ 59.774697][ T4381] arch_do_signal_or_restart+0xc1/0x1300 [ 59.780850][ T4381] exit_to_user_mode_loop+0x9e/0x130 [ 59.786655][ T4381] exit_to_user_mode_prepare+0xb1/0x140 [ 59.792722][ T4381] syscall_exit_to_user_mode+0x16/0x40 [ 59.798703][ T4381] do_syscall_64+0x58/0xa0 [ 59.803727][ T4381] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 59.810143][ T4381] [ 59.810143][ T4381] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 59.817785][ T4381] __mutex_lock_common+0x1eb/0x2390 [ 59.823515][ T4381] mutex_lock_nested+0x17/0x20 [ 59.824299][ T1108] Bluetooth: hci0: command 0x040f tx timeout [ 59.828800][ T4381] bg_scan_update+0x44/0x3b0 [ 59.839859][ T4381] process_one_work+0x863/0x1000 [ 59.845321][ T4381] worker_thread+0xaa8/0x12a0 [ 59.850543][ T4381] kthread+0x436/0x520 [ 59.855127][ T4381] ret_from_fork+0x1f/0x30 [ 59.860061][ T4381] [ 59.860061][ T4381] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 59.869879][ T4381] __lock_acquire+0x2c33/0x7c60 [ 59.875248][ T4381] lock_acquire+0x197/0x3f0 [ 59.880270][ T4381] __flush_work+0xdd/0x1b0 [ 59.885208][ T4381] __cancel_work_timer+0x3ac/0x520 [ 59.890848][ T4381] hci_request_cancel_all+0xcc/0x300 [ 59.896649][ T4381] hci_dev_do_close+0x4e/0x1030 [ 59.902017][ T4381] hci_rfkill_set_block+0x10a/0x190 [ 59.907738][ T4381] rfkill_set_block+0x1c6/0x420 [ 59.913118][ T4381] rfkill_fop_write+0x458/0x560 [ 59.918484][ T4381] vfs_write+0x300/0xd00 [ 59.923328][ T4381] ksys_write+0x14d/0x250 [ 59.928171][ T4381] do_syscall_64+0x4c/0xa0 [ 59.933106][ T4381] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 59.939519][ T4381] [ 59.939519][ T4381] other info that might help us debug this: [ 59.939519][ T4381] [ 59.949736][ T4381] Chain exists of: [ 59.949736][ T4381] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 59.949736][ T4381] [ 59.965659][ T4381] Possible unsafe locking scenario: [ 59.965659][ T4381] [ 59.973363][ T4381] CPU0 CPU1 [ 59.978725][ T4381] ---- ---- [ 59.984085][ T4381] lock(rfkill_global_mutex); [ 59.988851][ T4381] lock(&data->open_mutex); [ 59.995956][ T4381] lock(rfkill_global_mutex); [ 60.003253][ T4381] lock((work_completion)(&hdev->bg_scan_update)); [ 60.009842][ T4381] [ 60.009842][ T4381] *** DEADLOCK *** [ 60.009842][ T4381] [ 60.017994][ T4381] 1 lock held by syz.0.17/4381: [ 60.022836][ T4381] #0: ffffffff8d4be228 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x19e/0x560 [ 60.033021][ T4381] [ 60.033021][ T4381] stack backtrace: [ 60.038912][ T4381] CPU: 0 PID: 4381 Comm: syz.0.17 Not tainted 5.15.189-syzkaller #0 [ 60.046886][ T4381] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 60.056953][ T4381] Call Trace: [ 60.060247][ T4381] [ 60.063174][ T4381] dump_stack_lvl+0x168/0x230 [ 60.067952][ T4381] ? load_image+0x3b0/0x3b0 [ 60.072460][ T4381] ? show_regs_print_info+0x20/0x20 [ 60.077668][ T4381] ? print_circular_bug+0x12b/0x1a0 [ 60.082866][ T4381] check_noncircular+0x274/0x310 [ 60.087804][ T4381] ? add_chain_block+0x940/0x940 [ 60.092737][ T4381] ? lockdep_lock+0xdc/0x1e0 [ 60.097318][ T4381] ? __lock_acquire+0x12d9/0x7c60 [ 60.102341][ T4381] ? lockdep_lock+0x1e0/0x1e0 [ 60.107016][ T4381] ? mark_lock+0x94/0x320 [ 60.111347][ T4381] ? _find_first_zero_bit+0xce/0xf0 [ 60.116543][ T4381] __lock_acquire+0x2c33/0x7c60 [ 60.121401][ T4381] ? verify_lock_unused+0x140/0x140 [ 60.126606][ T4381] ? verify_lock_unused+0x140/0x140 [ 60.131816][ T4381] lock_acquire+0x197/0x3f0 [ 60.136321][ T4381] ? __flush_work+0xc1/0x1b0 [ 60.140912][ T4381] ? __lock_acquire+0x7c60/0x7c60 [ 60.145936][ T4381] ? read_lock_is_recursive+0x10/0x10 [ 60.151306][ T4381] ? start_flush_work+0x776/0x820 [ 60.156322][ T4381] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 60.162213][ T4381] ? _raw_spin_unlock+0x40/0x40 [ 60.167064][ T4381] __flush_work+0xdd/0x1b0 [ 60.171478][ T4381] ? __flush_work+0xc1/0x1b0 [ 60.176123][ T4381] ? flush_work+0x20/0x20 [ 60.180448][ T4381] ? try_to_grab_pending+0xf3/0x7e0 [ 60.185642][ T4381] ? lockdep_hardirqs_off+0x70/0x100 [ 60.190936][ T4381] ? mark_lock+0x94/0x320 [ 60.195435][ T4381] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 60.201521][ T4381] ? lock_chain_count+0x20/0x20 [ 60.206376][ T4381] ? mark_lock+0x94/0x320 [ 60.210753][ T4381] ? __cancel_work_timer+0x331/0x520 [ 60.216037][ T4381] __cancel_work_timer+0x3ac/0x520 [ 60.221152][ T4381] ? cancel_work_sync+0x20/0x20 [ 60.225999][ T4381] ? __cancel_work+0x1f4/0x2d0 [ 60.230765][ T4381] ? lockdep_hardirqs_on+0x94/0x140 [ 60.235961][ T4381] ? __cancel_work+0x26f/0x2d0 [ 60.240735][ T4381] ? cancel_work+0x20/0x20 [ 60.245149][ T4381] ? lock_chain_count+0x20/0x20 [ 60.249999][ T4381] hci_request_cancel_all+0xcc/0x300 [ 60.255306][ T4381] hci_dev_do_close+0x4e/0x1030 [ 60.260155][ T4381] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 60.266059][ T4381] ? _raw_spin_unlock+0x40/0x40 [ 60.271180][ T4381] hci_rfkill_set_block+0x10a/0x190 [ 60.276464][ T4381] ? rcu_lock_release+0x20/0x20 [ 60.281326][ T4381] rfkill_set_block+0x1c6/0x420 [ 60.286182][ T4381] rfkill_fop_write+0x458/0x560 [ 60.291046][ T4381] ? verify_lock_unused+0x140/0x140 [ 60.296244][ T4381] ? rfkill_fop_read+0x4b0/0x4b0 [ 60.301185][ T4381] ? common_file_perm+0x150/0x1c0 [ 60.306209][ T4381] ? fsnotify_perm+0x5d/0x560 [ 60.310972][ T4381] ? security_file_permission+0x75/0xa0 [ 60.316515][ T4381] ? rfkill_fop_read+0x4b0/0x4b0 [ 60.321470][ T4381] vfs_write+0x300/0xd00 [ 60.325712][ T4381] ? file_end_write+0x250/0x250 [ 60.330665][ T4381] ? __context_tracking_exit+0x4c/0x80 [ 60.336170][ T4381] ? __lock_acquire+0x7c60/0x7c60 [ 60.341195][ T4381] ? __fdget_pos+0x1e2/0x370 [ 60.345781][ T4381] ksys_write+0x14d/0x250 [ 60.350108][ T4381] ? __ia32_sys_read+0x80/0x80 [ 60.354870][ T4381] ? lockdep_hardirqs_on+0x94/0x140 [ 60.360152][ T4381] do_syscall_64+0x4c/0xa0 [ 60.364572][ T4381] ? clear_bhb_loop+0x30/0x80 [ 60.369246][ T4381] ? clear_bhb_loop+0x30/0x80 [ 60.373921][ T4381] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 60.379824][ T4381] RIP: 0033:0x7fb355ec9be9 [ 60.384246][ T4381] 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 [ 60.403846][ T4381] RSP: 002b:00007fff3bee2338 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 60.412265][ T4381] RAX: ffffffffffffffda RBX: 00007fb3560f0fa0 RCX: 00007fb355ec9be9 [ 60.420235][ T4381] RDX: 0000000000000008 RSI: 0000200000000080 RDI: 0000000000000003 [ 60.428199][ T4381] RBP: 00007fb355f4ce19 R08: 0000000000000000 R09: 0000000000000000 [ 60.436146][ T4381] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 60.444110][ T4381] R13: 00007fb3560f0fa0 R14: 00007fb3560f0fa0 R15: 0000000000000003 [ 60.452146][ T4381]