Warning: Permanently added '10.128.0.242' (ED25519) to the list of known hosts. 1970/01/01 00:00:45 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:00:46 parsed 1 programs [ 49.280375][ T4031] cgroup: Unknown subsys name 'net' [ 49.546770][ T4031] cgroup: Unknown subsys name 'rlimit' [ 49.868490][ T4031] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 59.537274][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 59.539844][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 59.543105][ T401] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 59.556389][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 59.558670][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 59.562881][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 59.714304][ T4073] chnl_net:caif_netlink_parms(): no params data found [ 59.756383][ T4073] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.758379][ T4073] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.761258][ T4073] device bridge_slave_0 entered promiscuous mode [ 59.765490][ T4073] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.767523][ T4073] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.770131][ T4073] device bridge_slave_1 entered promiscuous mode [ 59.786221][ T4073] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.790724][ T4073] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.810217][ T4073] team0: Port device team_slave_0 added [ 59.813777][ T4073] team0: Port device team_slave_1 added [ 59.828005][ T4073] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 59.829889][ T4073] 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. [ 59.837115][ T4073] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 59.842056][ T4073] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 59.843964][ T4073] 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. [ 59.850950][ T4073] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 59.975000][ T4073] device hsr_slave_0 entered promiscuous mode [ 60.022562][ T4073] device hsr_slave_1 entered promiscuous mode [ 60.157239][ T4073] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 60.195831][ T4073] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 60.235664][ T4073] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 60.274294][ T4073] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 60.370900][ T4073] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.372999][ T4073] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.375363][ T4073] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.377446][ T4073] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.422755][ T4073] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.433223][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.436628][ T136] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.440278][ T136] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.453795][ T4073] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.459361][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.463936][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.466004][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.481784][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.484476][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.486412][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.489741][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.493006][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.501820][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.504612][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.515195][ T4073] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 60.518490][ T4073] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.522157][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.603387][ T4073] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.606165][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.608367][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.622977][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 60.625933][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 60.638807][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 60.642069][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 60.646877][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 60.649745][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 60.654489][ T4073] device veth0_vlan entered promiscuous mode [ 60.661899][ T4073] device veth1_vlan entered promiscuous mode [ 60.679413][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 60.683525][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 60.686156][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 60.688939][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 60.694240][ T4073] device veth0_macvtap entered promiscuous mode [ 60.698544][ T4073] device veth1_macvtap entered promiscuous mode [ 60.710021][ T4073] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 60.712352][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 60.714955][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 60.717460][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 60.720188][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 60.727715][ T4073] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 60.730383][ T401] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 60.733892][ T401] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 60.738857][ T4073] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.741707][ T4073] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.744066][ T4073] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.746455][ T4073] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.211456][ T153] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 63.607890][ T153] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 65.947479][ T153] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 66.008361][ T153] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:01:06 executed programs: 0 [ 67.214990][ T4163] chnl_net:caif_netlink_parms(): no params data found [ 67.252805][ T4163] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.254823][ T4163] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.257420][ T4163] device bridge_slave_0 entered promiscuous mode [ 67.262243][ T4163] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.264336][ T4163] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.267067][ T4163] device bridge_slave_1 entered promiscuous mode [ 67.282694][ T4163] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.287159][ T4163] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.303304][ T4163] team0: Port device team_slave_0 added [ 67.306915][ T4163] team0: Port device team_slave_1 added [ 67.321171][ T4163] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 67.323156][ T4163] 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. [ 67.330298][ T4163] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 67.334732][ T4163] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 67.336639][ T4163] 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. [ 67.343703][ T4163] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 67.412887][ T4163] device hsr_slave_0 entered promiscuous mode [ 67.441293][ T4163] device hsr_slave_1 entered promiscuous mode [ 67.490931][ T4163] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.493537][ T4163] Cannot create hsr debugfs directory [ 68.142667][ T4163] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 68.183352][ T4163] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 68.233212][ T4163] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 68.288208][ T4163] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 68.374686][ T4163] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.389158][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.392573][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.397980][ T4163] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.403160][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.406379][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.409391][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.411348][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.417133][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.432386][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.435319][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.437809][ T1615] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.439771][ T1615] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.442593][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.445992][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.448819][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.452160][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.455149][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.457992][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.492918][ T4163] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 68.495856][ T4163] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 68.503228][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.505970][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.508616][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.512562][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.515841][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.518885][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.602471][ T401] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.604688][ T401] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.610992][ T4163] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.626193][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 68.628979][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 68.643081][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 68.645710][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 68.648525][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 68.652711][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 68.657231][ T4163] device veth0_vlan entered promiscuous mode [ 68.665714][ T4163] device veth1_vlan entered promiscuous mode [ 68.687317][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 68.690082][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 68.697850][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 68.700639][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 68.706372][ T4163] device veth0_macvtap entered promiscuous mode [ 68.710847][ T4163] device veth1_macvtap entered promiscuous mode [ 68.741869][ T4163] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 68.744880][ T4163] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 68.748546][ T4163] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 68.750565][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 68.754281][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 68.756871][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 68.759609][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 68.767144][ T4163] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 68.770004][ T4163] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 68.773990][ T4163] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 68.778522][ T4163] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.781689][ T4163] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.783952][ T4163] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.786236][ T4163] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.789827][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 68.793963][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 68.851311][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 68.853537][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 68.856331][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 68.878695][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 68.882765][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 68.885825][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 68.923860][ T4255] [ 68.924569][ T4255] ====================================================== [ 68.926523][ T4255] WARNING: possible circular locking dependency detected [ 68.928418][ T4255] 5.15.183-syzkaller #0 Not tainted [ 68.929765][ T4255] ------------------------------------------------------ [ 68.931700][ T4255] syz.0.16/4255 is trying to acquire lock: [ 68.933296][ T4255] ffff0000d8c18c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xcc/0x1bc [ 68.936358][ T4255] [ 68.936358][ T4255] but task is already holding lock: [ 68.938409][ T4255] ffff8000164f7308 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x238/0x5cc [ 68.941067][ T4255] [ 68.941067][ T4255] which lock already depends on the new lock. [ 68.941067][ T4255] [ 68.944019][ T4255] [ 68.944019][ T4255] the existing dependency chain (in reverse order) is: [ 68.946475][ T4255] [ 68.946475][ T4255] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 68.948637][ T4255] __mutex_lock_common+0x194/0x1edc [ 68.950206][ T4255] mutex_lock_nested+0xac/0x11c [ 68.951640][ T4255] rfkill_register+0x44/0x77c [ 68.953034][ T4255] hci_register_dev+0x3d8/0x854 [ 68.954463][ T4255] vhci_create_device+0x2bc/0x564 [ 68.955979][ T4255] vhci_write+0x30c/0x3ac [ 68.957300][ T4255] vfs_write+0x7c8/0xa2c [ 68.958584][ T4255] ksys_write+0x120/0x210 [ 68.959880][ T4255] __arm64_sys_write+0x7c/0x90 [ 68.961373][ T4255] invoke_syscall+0x98/0x2b8 [ 68.962821][ T4255] el0_svc_common+0x138/0x258 [ 68.964221][ T4255] do_el0_svc+0x58/0x14c [ 68.965534][ T4255] el0_svc+0x78/0x1e0 [ 68.966758][ T4255] el0t_64_sync_handler+0xcc/0xe4 [ 68.968240][ T4255] el0t_64_sync+0x1a0/0x1a4 [ 68.969596][ T4255] [ 68.969596][ T4255] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 68.971758][ T4255] __mutex_lock_common+0x194/0x1edc [ 68.973326][ T4255] mutex_lock_nested+0xac/0x11c [ 68.974771][ T4255] vhci_send_frame+0x88/0x118 [ 68.976243][ T4255] hci_send_frame+0x194/0x2f0 [ 68.977759][ T4255] hci_tx_work+0x7e4/0x1394 [ 68.979117][ T4255] process_one_work+0x79c/0x1140 [ 68.980568][ T4255] worker_thread+0x8f4/0x101c [ 68.982002][ T4255] kthread+0x374/0x454 [ 68.983243][ T4255] ret_from_fork+0x10/0x20 [ 68.984644][ T4255] [ 68.984644][ T4255] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 68.987213][ T4255] __flush_work+0xf4/0x1bc [ 68.988503][ T4255] flush_work+0x24/0x38 [ 68.989750][ T4255] hci_dev_do_close+0x164/0x105c [ 68.991247][ T4255] hci_unregister_dev+0x23c/0x4c0 [ 68.992777][ T4255] vhci_release+0x74/0xc4 [ 68.994029][ T4255] __fput+0x1c0/0x7f8 [ 68.995282][ T4255] ____fput+0x20/0x30 [ 68.996574][ T4255] task_work_run+0x12c/0x1e0 [ 68.997946][ T4255] do_exit+0x67c/0x1f58 [ 68.999198][ T4255] do_group_exit+0x100/0x268 [ 69.000587][ T4255] get_signal+0x73c/0x1340 [ 69.001948][ T4255] do_notify_resume+0x35c/0x3128 [ 69.003475][ T4255] el0_svc+0xf0/0x1e0 [ 69.004715][ T4255] el0t_64_sync_handler+0xcc/0xe4 [ 69.006239][ T4255] el0t_64_sync+0x1a0/0x1a4 [ 69.007628][ T4255] [ 69.007628][ T4255] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 69.009688][ T4255] __mutex_lock_common+0x194/0x1edc [ 69.011248][ T4255] mutex_lock_nested+0xac/0x11c [ 69.012681][ T4255] bg_scan_update+0x48/0x3d0 [ 69.014039][ T4255] process_one_work+0x79c/0x1140 [ 69.015483][ T4255] worker_thread+0x8f4/0x101c [ 69.016911][ T4255] kthread+0x374/0x454 [ 69.018213][ T4255] ret_from_fork+0x10/0x20 [ 69.019592][ T4255] [ 69.019592][ T4255] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 69.022276][ T4255] __lock_acquire+0x2928/0x651c [ 69.023694][ T4255] lock_acquire+0x1f4/0x620 [ 69.025048][ T4255] __flush_work+0xf4/0x1bc [ 69.026391][ T4255] __cancel_work_timer+0x2ec/0x448 [ 69.028010][ T4255] cancel_work_sync+0x24/0x38 [ 69.029454][ T4255] hci_request_cancel_all+0xbc/0x2d0 [ 69.031036][ T4255] hci_dev_do_close+0x54/0x105c [ 69.032551][ T4255] hci_rfkill_set_block+0xdc/0x1d0 [ 69.034076][ T4255] rfkill_set_block+0x18c/0x374 [ 69.035572][ T4255] rfkill_fop_write+0x4a4/0x5cc [ 69.037351][ T4255] vfs_write+0x280/0xa2c [ 69.038736][ T4255] ksys_write+0x120/0x210 [ 69.040082][ T4255] __arm64_sys_write+0x7c/0x90 [ 69.041491][ T4255] invoke_syscall+0x98/0x2b8 [ 69.042873][ T4255] el0_svc_common+0x138/0x258 [ 69.044305][ T4255] do_el0_svc+0x58/0x14c [ 69.045678][ T4255] el0_svc+0x78/0x1e0 [ 69.046905][ T4255] el0t_64_sync_handler+0xcc/0xe4 [ 69.048439][ T4255] el0t_64_sync+0x1a0/0x1a4 [ 69.049780][ T4255] [ 69.049780][ T4255] other info that might help us debug this: [ 69.049780][ T4255] [ 69.052599][ T4255] Chain exists of: [ 69.052599][ T4255] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 69.052599][ T4255] [ 69.056917][ T4255] Possible unsafe locking scenario: [ 69.056917][ T4255] [ 69.058958][ T4255] CPU0 CPU1 [ 69.060395][ T4255] ---- ---- [ 69.061871][ T4255] lock(rfkill_global_mutex); [ 69.063155][ T4255] lock(&data->open_mutex); [ 69.065083][ T4255] lock(rfkill_global_mutex); [ 69.067118][ T4255] lock((work_completion)(&hdev->bg_scan_update)); [ 69.068899][ T4255] [ 69.068899][ T4255] *** DEADLOCK *** [ 69.068899][ T4255] [ 69.071135][ T4255] 1 lock held by syz.0.16/4255: [ 69.072439][ T4255] #0: ffff8000164f7308 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x238/0x5cc [ 69.075236][ T4255] [ 69.075236][ T4255] stack backtrace: [ 69.076904][ T4255] CPU: 0 PID: 4255 Comm: syz.0.16 Not tainted 5.15.183-syzkaller #0 [ 69.079056][ T4255] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 69.081790][ T4255] Call trace: [ 69.082670][ T4255] dump_backtrace+0x0/0x43c [ 69.083917][ T4255] show_stack+0x2c/0x3c [ 69.085004][ T4255] __dump_stack+0x30/0x40 [ 69.086191][ T4255] dump_stack_lvl+0xf8/0x160 [ 69.087421][ T4255] dump_stack+0x1c/0x5c [ 69.088582][ T4255] print_circular_bug+0x148/0x1b0 [ 69.089974][ T4255] check_noncircular+0x240/0x2d4 [ 69.091350][ T4255] __lock_acquire+0x2928/0x651c [ 69.092658][ T4255] lock_acquire+0x1f4/0x620 [ 69.093902][ T4255] __flush_work+0xf4/0x1bc [ 69.095115][ T4255] __cancel_work_timer+0x2ec/0x448 [ 69.096534][ T4255] cancel_work_sync+0x24/0x38 [ 69.097834][ T4255] hci_request_cancel_all+0xbc/0x2d0 [ 69.099324][ T4255] hci_dev_do_close+0x54/0x105c [ 69.100637][ T4255] hci_rfkill_set_block+0xdc/0x1d0 [ 69.102066][ T4255] rfkill_set_block+0x18c/0x374 [ 69.103455][ T4255] rfkill_fop_write+0x4a4/0x5cc [ 69.104774][ T4255] vfs_write+0x280/0xa2c [ 69.105934][ T4255] ksys_write+0x120/0x210 [ 69.107141][ T4255] __arm64_sys_write+0x7c/0x90 [ 69.108487][ T4255] invoke_syscall+0x98/0x2b8 [ 69.109764][ T4255] el0_svc_common+0x138/0x258 [ 69.111049][ T4255] do_el0_svc+0x58/0x14c [ 69.112237][ T4255] el0_svc+0x78/0x1e0 [ 69.113367][ T4255] el0t_64_sync_handler+0xcc/0xe4 [ 69.114764][ T4255] el0t_64_sync+0x1a0/0x1a4 [ 69.121202][ T3605] Bluetooth: hci0: command 0x0409 tx timeout