Warning: Permanently added '10.128.1.98' (ED25519) to the list of known hosts. 1970/01/01 00:00:42 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:00:43 parsed 1 programs [ 45.425365][ T4030] cgroup: Unknown subsys name 'net' [ 45.706531][ T4030] cgroup: Unknown subsys name 'rlimit' [ 46.095279][ T4030] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 58.410395][ T388] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 58.413075][ T388] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 58.420245][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 58.434117][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 58.436267][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 58.438937][ T388] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 58.756236][ T4069] chnl_net:caif_netlink_parms(): no params data found [ 58.796573][ T4069] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.798520][ T4069] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.801560][ T4069] device bridge_slave_0 entered promiscuous mode [ 58.805598][ T4069] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.807487][ T4069] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.809996][ T4069] device bridge_slave_1 entered promiscuous mode [ 58.829066][ T4069] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.833425][ T4069] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.848232][ T4069] team0: Port device team_slave_0 added [ 58.851554][ T4069] team0: Port device team_slave_1 added [ 58.864664][ T4069] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 58.866459][ T4069] 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. [ 58.873418][ T4069] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 58.877992][ T4069] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 58.879768][ T4069] 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. [ 58.886582][ T4069] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 58.943323][ T4069] device hsr_slave_0 entered promiscuous mode [ 58.991113][ T4069] device hsr_slave_1 entered promiscuous mode [ 59.157330][ T4069] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 59.213178][ T4069] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 59.253784][ T4069] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 59.293054][ T4069] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 59.359739][ T4069] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.361767][ T4069] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.364077][ T4069] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.365954][ T4069] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.410223][ T4069] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.420338][ T388] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.424358][ T388] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.427185][ T388] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.436493][ T4069] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.441179][ T388] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.443996][ T388] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.446883][ T388] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.448739][ T388] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.459707][ T388] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.465293][ T388] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.467867][ T388] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.469718][ T388] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.472758][ T388] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.484814][ T388] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.488171][ T388] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.491632][ T388] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.494238][ T388] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.496939][ T388] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.504943][ T4069] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 59.507636][ T4069] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 59.514425][ T388] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.517015][ T388] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.519573][ T388] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.523245][ T388] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.525897][ T388] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.528495][ T388] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.606054][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.608261][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.615835][ T4069] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.628348][ T1700] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 59.632099][ T1700] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 59.646361][ T1700] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 59.649049][ T1700] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 59.653453][ T1700] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 59.656171][ T1700] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 59.660600][ T4069] device veth0_vlan entered promiscuous mode [ 59.668070][ T4069] device veth1_vlan entered promiscuous mode [ 59.684516][ T1700] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 59.687075][ T1700] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 59.689444][ T1700] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 59.693281][ T1700] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 59.697652][ T4069] device veth0_macvtap entered promiscuous mode [ 59.703703][ T4069] device veth1_macvtap entered promiscuous mode [ 59.713739][ T4069] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 59.715833][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 59.718319][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 59.721088][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 59.723745][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 59.729188][ T4069] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 59.731705][ T1700] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 59.734426][ T1700] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 59.738927][ T4069] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.742514][ T4069] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.744802][ T4069] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.747053][ T4069] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.432710][ T9] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 62.437731][ T9] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 64.696827][ T9] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 64.768735][ T9] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:01:06 executed programs: 0 [ 66.237454][ T4178] chnl_net:caif_netlink_parms(): no params data found [ 66.274835][ T4178] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.276781][ T4178] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.279285][ T4178] device bridge_slave_0 entered promiscuous mode [ 66.283342][ T4178] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.285250][ T4178] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.287732][ T4178] device bridge_slave_1 entered promiscuous mode [ 66.303964][ T4178] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.308532][ T4178] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.326677][ T4178] team0: Port device team_slave_0 added [ 66.330120][ T4178] team0: Port device team_slave_1 added [ 66.349884][ T4178] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 66.352167][ T4178] 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. [ 66.358811][ T4178] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 66.364801][ T4178] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 66.366565][ T4178] 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. [ 66.373854][ T4178] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 66.442857][ T4178] device hsr_slave_0 entered promiscuous mode [ 66.461069][ T4178] device hsr_slave_1 entered promiscuous mode [ 66.521021][ T4178] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.523165][ T4178] Cannot create hsr debugfs directory [ 67.218654][ T4178] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 67.227417][ T4178] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 67.288445][ T4178] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 67.335030][ T4178] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 67.415460][ T4178] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.428374][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.430965][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.435993][ T4178] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.440512][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.446298][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.452316][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.454282][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.464918][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.467436][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.470051][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.473650][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.475508][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.477814][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.494925][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.497918][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.503799][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.506466][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.509247][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.514431][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.517081][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.519611][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.525824][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.528805][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.564583][ T4178] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.642686][ T1700] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 67.644825][ T1700] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 67.650487][ T4178] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.668659][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 67.672144][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 67.686000][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 67.688567][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 67.691551][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 67.694376][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 67.698797][ T4178] device veth0_vlan entered promiscuous mode [ 67.709851][ T4178] device veth1_vlan entered promiscuous mode [ 67.730343][ T388] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 67.734946][ T388] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 67.737461][ T388] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 67.740550][ T388] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 67.749188][ T4178] device veth0_macvtap entered promiscuous mode [ 67.754367][ T4178] device veth1_macvtap entered promiscuous mode [ 67.766638][ T4178] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 67.769530][ T4178] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 67.774203][ T4178] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 67.776236][ T388] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 67.778743][ T388] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 67.781263][ T388] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 67.783966][ T388] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 67.788909][ T4178] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 67.791984][ T4178] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 67.795376][ T4178] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 67.797418][ T1700] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 67.800177][ T1700] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 67.837070][ T4178] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.839365][ T4178] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.842879][ T4178] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.845204][ T4178] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.884215][ T1700] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.886399][ T1700] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 67.889094][ T1700] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 67.913152][ T1700] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.915306][ T1700] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 67.918133][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 68.096835][ T4280] [ 68.097539][ T4280] ====================================================== [ 68.099420][ T4280] WARNING: possible circular locking dependency detected [ 68.101264][ T4280] 5.15.184-syzkaller #0 Not tainted [ 68.102660][ T4280] ------------------------------------------------------ [ 68.104533][ T4280] syz.0.16/4280 is trying to acquire lock: [ 68.106083][ T4280] ffff0000d6bf4c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xcc/0x1bc [ 68.109146][ T4280] [ 68.109146][ T4280] but task is already holding lock: [ 68.111118][ T4280] ffff8000164f7788 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x238/0x5cc [ 68.113733][ T4280] [ 68.113733][ T4280] which lock already depends on the new lock. [ 68.113733][ T4280] [ 68.116479][ T4280] [ 68.116479][ T4280] the existing dependency chain (in reverse order) is: [ 68.118902][ T4280] [ 68.118902][ T4280] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 68.121067][ T4280] __mutex_lock_common+0x194/0x1edc [ 68.122631][ T4280] mutex_lock_nested+0xac/0x11c [ 68.123994][ T4280] rfkill_register+0x44/0x77c [ 68.125359][ T4280] hci_register_dev+0x3d8/0x854 [ 68.126787][ T4280] vhci_create_device+0x2bc/0x564 [ 68.128255][ T4280] vhci_write+0x30c/0x3ac [ 68.129537][ T4280] vfs_write+0x7c8/0xa2c [ 68.130809][ T4280] ksys_write+0x120/0x210 [ 68.132080][ T4280] __arm64_sys_write+0x7c/0x90 [ 68.133479][ T4280] invoke_syscall+0x98/0x2b8 [ 68.134789][ T4280] el0_svc_common+0x138/0x258 [ 68.136141][ T4280] do_el0_svc+0x58/0x14c [ 68.137388][ T4280] el0_svc+0x78/0x1e0 [ 68.138635][ T4280] el0t_64_sync_handler+0xcc/0xe4 [ 68.140054][ T4280] el0t_64_sync+0x1a0/0x1a4 [ 68.141441][ T4280] [ 68.141441][ T4280] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 68.143508][ T4280] __mutex_lock_common+0x194/0x1edc [ 68.145039][ T4280] mutex_lock_nested+0xac/0x11c [ 68.146463][ T4280] vhci_send_frame+0x88/0x118 [ 68.147859][ T4280] hci_send_frame+0x194/0x2f0 [ 68.149235][ T4280] hci_tx_work+0x7e4/0x1394 [ 68.150566][ T4280] process_one_work+0x79c/0x1140 [ 68.152048][ T4280] worker_thread+0x8f4/0x101c [ 68.153413][ T4280] kthread+0x374/0x454 [ 68.154680][ T4280] ret_from_fork+0x10/0x20 [ 68.155993][ T4280] [ 68.155993][ T4280] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 68.158394][ T4280] __flush_work+0xf4/0x1bc [ 68.159727][ T4280] flush_work+0x24/0x38 [ 68.160999][ T4280] hci_dev_do_close+0x164/0x105c [ 68.162478][ T4280] hci_unregister_dev+0x23c/0x4c0 [ 68.163965][ T4280] vhci_release+0x74/0xc4 [ 68.165267][ T4280] __fput+0x1c0/0x7f8 [ 68.166465][ T4280] ____fput+0x20/0x30 [ 68.167731][ T4280] task_work_run+0x12c/0x1e0 [ 68.169053][ T4280] do_exit+0x67c/0x1f58 [ 68.170281][ T4280] do_group_exit+0x100/0x268 [ 68.171642][ T4280] get_signal+0x73c/0x1340 [ 68.172971][ T4280] do_notify_resume+0x35c/0x3128 [ 68.174402][ T4280] el0_svc+0xf0/0x1e0 [ 68.175615][ T4280] el0t_64_sync_handler+0xcc/0xe4 [ 68.177065][ T4280] el0t_64_sync+0x1a0/0x1a4 [ 68.178352][ T4280] [ 68.178352][ T4280] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 68.180394][ T4280] __mutex_lock_common+0x194/0x1edc [ 68.181928][ T4280] mutex_lock_nested+0xac/0x11c [ 68.183409][ T4280] bg_scan_update+0x48/0x3d0 [ 68.184757][ T4280] process_one_work+0x79c/0x1140 [ 68.186239][ T4280] worker_thread+0x8f4/0x101c [ 68.187619][ T4280] kthread+0x374/0x454 [ 68.188832][ T4280] ret_from_fork+0x10/0x20 [ 68.190125][ T4280] [ 68.190125][ T4280] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 68.192761][ T4280] __lock_acquire+0x2928/0x651c [ 68.194155][ T4280] lock_acquire+0x1f4/0x620 [ 68.195536][ T4280] __flush_work+0xf4/0x1bc [ 68.196836][ T4280] __cancel_work_timer+0x2ec/0x448 [ 68.198328][ T4280] cancel_work_sync+0x24/0x38 [ 68.199721][ T4280] hci_request_cancel_all+0xbc/0x2d0 [ 68.201299][ T4280] hci_dev_do_close+0x54/0x105c [ 68.202761][ T4280] hci_rfkill_set_block+0xdc/0x1d0 [ 68.204245][ T4280] rfkill_set_block+0x18c/0x374 [ 68.205703][ T4280] rfkill_fop_write+0x4a4/0x5cc [ 68.207124][ T4280] vfs_write+0x280/0xa2c [ 68.208352][ T4280] ksys_write+0x120/0x210 [ 68.209599][ T4280] __arm64_sys_write+0x7c/0x90 [ 68.211014][ T4280] invoke_syscall+0x98/0x2b8 [ 68.212383][ T4280] el0_svc_common+0x138/0x258 [ 68.213760][ T4280] do_el0_svc+0x58/0x14c [ 68.215025][ T4280] el0_svc+0x78/0x1e0 [ 68.216212][ T4280] el0t_64_sync_handler+0xcc/0xe4 [ 68.217729][ T4280] el0t_64_sync+0x1a0/0x1a4 [ 68.219083][ T4280] [ 68.219083][ T4280] other info that might help us debug this: [ 68.219083][ T4280] [ 68.221876][ T4280] Chain exists of: [ 68.221876][ T4280] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 68.221876][ T4280] [ 68.226184][ T4280] Possible unsafe locking scenario: [ 68.226184][ T4280] [ 68.228192][ T4280] CPU0 CPU1 [ 68.229656][ T4280] ---- ---- [ 68.231072][ T4280] lock(rfkill_global_mutex); [ 68.232323][ T4280] lock(&data->open_mutex); [ 68.234232][ T4280] lock(rfkill_global_mutex); [ 68.236255][ T4280] lock((work_completion)(&hdev->bg_scan_update)); [ 68.237975][ T4280] [ 68.237975][ T4280] *** DEADLOCK *** [ 68.237975][ T4280] [ 68.240157][ T4280] 1 lock held by syz.0.16/4280: [ 68.241444][ T4280] #0: ffff8000164f7788 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x238/0x5cc [ 68.244141][ T4280] [ 68.244141][ T4280] stack backtrace: [ 68.245779][ T4280] CPU: 0 PID: 4280 Comm: syz.0.16 Not tainted 5.15.184-syzkaller #0 [ 68.247907][ T4280] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 68.250583][ T4280] Call trace: [ 68.251445][ T4280] dump_backtrace+0x0/0x43c [ 68.252686][ T4280] show_stack+0x2c/0x3c [ 68.253829][ T4280] __dump_stack+0x30/0x40 [ 68.254988][ T4280] dump_stack_lvl+0xf8/0x160 [ 68.256212][ T4280] dump_stack+0x1c/0x5c [ 68.257372][ T4280] print_circular_bug+0x148/0x1b0 [ 68.258717][ T4280] check_noncircular+0x240/0x2d4 [ 68.260102][ T4280] __lock_acquire+0x2928/0x651c [ 68.261446][ T4280] lock_acquire+0x1f4/0x620 [ 68.262575][ T4280] __flush_work+0xf4/0x1bc [ 68.263751][ T4280] __cancel_work_timer+0x2ec/0x448 [ 68.265092][ T4280] cancel_work_sync+0x24/0x38 [ 68.266330][ T4280] hci_request_cancel_all+0xbc/0x2d0 [ 68.267669][ T4280] hci_dev_do_close+0x54/0x105c [ 68.268943][ T4280] hci_rfkill_set_block+0xdc/0x1d0 [ 68.270319][ T4280] rfkill_set_block+0x18c/0x374 [ 68.271579][ T4280] rfkill_fop_write+0x4a4/0x5cc [ 68.272887][ T4280] vfs_write+0x280/0xa2c [ 68.273991][ T4280] ksys_write+0x120/0x210 [ 68.275173][ T4280] __arm64_sys_write+0x7c/0x90 [ 68.276492][ T4280] invoke_syscall+0x98/0x2b8 [ 68.277795][ T4280] el0_svc_common+0x138/0x258 [ 68.279062][ T4280] do_el0_svc+0x58/0x14c [ 68.280212][ T4280] el0_svc+0x78/0x1e0 [ 68.281276][ T4280] el0t_64_sync_handler+0xcc/0xe4 [ 68.282573][ T4280] el0t_64_sync+0x1a0/0x1a4 [ 68.289860][ T4116] Bluetooth: hci0: command 0x0409 tx timeout