Warning: Permanently added '10.128.0.126' (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 [ 45.457729][ T4031] cgroup: Unknown subsys name 'net' [ 45.723377][ T4031] cgroup: Unknown subsys name 'rlimit' [ 46.062399][ T4031] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 55.530513][ T153] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 55.532922][ T153] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 55.535710][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 55.550643][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 55.552841][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 55.555594][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 55.971363][ T4091] chnl_net:caif_netlink_parms(): no params data found [ 56.004681][ T4091] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.006714][ T4091] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.009858][ T4091] device bridge_slave_0 entered promiscuous mode [ 56.014012][ T4091] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.016039][ T4091] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.019029][ T4091] device bridge_slave_1 entered promiscuous mode [ 56.033063][ T4091] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.037601][ T4091] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.051934][ T4091] team0: Port device team_slave_0 added [ 56.055117][ T4091] team0: Port device team_slave_1 added [ 56.066539][ T4091] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 56.068797][ T4091] 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. [ 56.076472][ T4091] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 56.081844][ T4091] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 56.083858][ T4091] 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. [ 56.091126][ T4091] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 56.169321][ T4091] device hsr_slave_0 entered promiscuous mode [ 56.218892][ T4091] device hsr_slave_1 entered promiscuous mode [ 56.368907][ T4091] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 56.409938][ T4091] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 56.450034][ T4091] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 56.499070][ T4091] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 56.603144][ T4091] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.612198][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.614894][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.622853][ T4091] 8021q: adding VLAN 0 to HW filter on device team0 [ 56.631237][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 56.634118][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.636972][ T148] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.639236][ T148] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.650114][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 56.652888][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 56.655906][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.659124][ T148] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.661310][ T148] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.664004][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 56.679220][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 56.682314][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 56.686240][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 56.690370][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 56.693239][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 56.695896][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 56.698641][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 56.701348][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 56.705335][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 56.709513][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 56.714167][ T4091] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 56.786091][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 56.790060][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 56.801187][ T4091] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 56.812337][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 56.825971][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 56.829467][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 56.831906][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 56.836068][ T4091] device veth0_vlan entered promiscuous mode [ 56.842855][ T4091] device veth1_vlan entered promiscuous mode [ 56.855570][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 56.869212][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 56.872174][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 56.880902][ T4091] device veth0_macvtap entered promiscuous mode [ 56.884734][ T4091] device veth1_macvtap entered promiscuous mode [ 56.894002][ T4091] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 56.896258][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 56.899115][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 56.901829][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 56.906391][ T4091] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 56.909915][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 56.912657][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 56.918006][ T4091] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.922538][ T4091] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.924855][ T4091] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.927256][ T4091] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:57 executed programs: 0 [ 57.539380][ T4132] chnl_net:caif_netlink_parms(): no params data found [ 57.569115][ T4132] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.571078][ T4132] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.574344][ T4132] device bridge_slave_0 entered promiscuous mode [ 57.578157][ T4132] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.580362][ T4132] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.583174][ T4132] device bridge_slave_1 entered promiscuous mode [ 57.598664][ T4132] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.602974][ T4132] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.617879][ T4132] team0: Port device team_slave_0 added [ 57.621047][ T4132] team0: Port device team_slave_1 added [ 57.632532][ T4132] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 57.634458][ T4132] 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. [ 57.641976][ T4132] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 57.646159][ T4132] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 57.648514][ T4132] 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. [ 57.655614][ T4132] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 57.719156][ T4132] device hsr_slave_0 entered promiscuous mode [ 57.768105][ T4132] device hsr_slave_1 entered promiscuous mode [ 57.807819][ T4132] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 57.810143][ T4132] Cannot create hsr debugfs directory [ 57.860003][ T4132] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 59.487955][ T4112] Bluetooth: hci0: command 0x0409 tx timeout [ 60.253274][ T4132] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 61.567413][ T4112] Bluetooth: hci0: command 0x041b tx timeout [ 62.422906][ T4132] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 62.496768][ T4132] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 62.701884][ T4132] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 62.741807][ T4132] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 62.829253][ T4132] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 62.868856][ T4132] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 63.000571][ T4132] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.010891][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.013671][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.020192][ T4132] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.025731][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.030886][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.033486][ T153] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.035372][ T153] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.039891][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.045936][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.051401][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.053993][ T153] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.055898][ T153] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.060892][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.065721][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.075500][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.078990][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.081801][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.089810][ T338] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.092846][ T338] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.099551][ T338] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.102269][ T338] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.111250][ T4132] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 63.114665][ T4132] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.118639][ T338] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.121312][ T338] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.197922][ T338] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 63.200173][ T338] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.205944][ T4132] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.221332][ T338] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 63.224036][ T338] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 63.236667][ T338] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 63.240285][ T338] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 63.242997][ T338] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 63.245735][ T338] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 63.259173][ T4132] device veth0_vlan entered promiscuous mode [ 63.264508][ T4132] device veth1_vlan entered promiscuous mode [ 63.278392][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 63.281027][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 63.283526][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 63.286269][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 63.292214][ T4132] device veth0_macvtap entered promiscuous mode [ 63.296074][ T4132] device veth1_macvtap entered promiscuous mode [ 63.306160][ T4132] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 63.312431][ T4132] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 63.316010][ T4132] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 63.318809][ T338] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 63.321701][ T338] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 63.324248][ T338] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 63.326923][ T338] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 63.333937][ T4132] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 63.336872][ T4132] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 63.343149][ T4132] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 63.345582][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 63.348831][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 63.353511][ T4132] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.356056][ T4132] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.359264][ T4132] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.361649][ T4132] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.647760][ T4112] Bluetooth: hci0: command 0x040f tx timeout [ 63.701060][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 63.708582][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 63.717410][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 63.723202][ T153] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 63.725550][ T153] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 63.728827][ T338] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 63.814502][ T4145] [ 63.815233][ T4145] ====================================================== [ 63.817148][ T4145] WARNING: possible circular locking dependency detected [ 63.819160][ T4145] 5.15.184-syzkaller #0 Not tainted [ 63.820649][ T4145] ------------------------------------------------------ [ 63.822557][ T4145] syz.0.16/4145 is trying to acquire lock: [ 63.824164][ T4145] ffff0000d1384c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xcc/0x1bc [ 63.827161][ T4145] [ 63.827161][ T4145] but task is already holding lock: [ 63.829182][ T4145] ffff8000164f7788 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x238/0x5cc [ 63.831770][ T4145] [ 63.831770][ T4145] which lock already depends on the new lock. [ 63.831770][ T4145] [ 63.834653][ T4145] [ 63.834653][ T4145] the existing dependency chain (in reverse order) is: [ 63.837098][ T4145] [ 63.837098][ T4145] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 63.839384][ T4145] __mutex_lock_common+0x194/0x1edc [ 63.841007][ T4145] mutex_lock_nested+0xac/0x11c [ 63.842490][ T4145] rfkill_register+0x44/0x77c [ 63.843892][ T4145] hci_register_dev+0x3d8/0x854 [ 63.845411][ T4145] vhci_create_device+0x2bc/0x564 [ 63.846914][ T4145] vhci_write+0x30c/0x3ac [ 63.848236][ T4145] vfs_write+0x7c8/0xa2c [ 63.849539][ T4145] ksys_write+0x120/0x210 [ 63.850843][ T4145] __arm64_sys_write+0x7c/0x90 [ 63.852205][ T4145] invoke_syscall+0x98/0x2b8 [ 63.853674][ T4145] el0_svc_common+0x138/0x258 [ 63.855073][ T4145] do_el0_svc+0x58/0x14c [ 63.856399][ T4145] el0_svc+0x78/0x1e0 [ 63.857616][ T4145] el0t_64_sync_handler+0xcc/0xe4 [ 63.859122][ T4145] el0t_64_sync+0x1a0/0x1a4 [ 63.860506][ T4145] [ 63.860506][ T4145] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 63.862657][ T4145] __mutex_lock_common+0x194/0x1edc [ 63.864292][ T4145] mutex_lock_nested+0xac/0x11c [ 63.865721][ T4145] vhci_send_frame+0x88/0x118 [ 63.867107][ T4145] hci_send_frame+0x194/0x2f0 [ 63.868584][ T4145] hci_tx_work+0x7e4/0x1394 [ 63.869957][ T4145] process_one_work+0x79c/0x1140 [ 63.871373][ T4145] worker_thread+0x8f4/0x101c [ 63.872768][ T4145] kthread+0x374/0x454 [ 63.873942][ T4145] ret_from_fork+0x10/0x20 [ 63.875318][ T4145] [ 63.875318][ T4145] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 63.877754][ T4145] __flush_work+0xf4/0x1bc [ 63.879154][ T4145] flush_work+0x24/0x38 [ 63.880418][ T4145] hci_dev_do_close+0x164/0x105c [ 63.881885][ T4145] hci_unregister_dev+0x23c/0x4c0 [ 63.883397][ T4145] vhci_release+0x74/0xc4 [ 63.884696][ T4145] __fput+0x1c0/0x7f8 [ 63.885893][ T4145] ____fput+0x20/0x30 [ 63.887122][ T4145] task_work_run+0x12c/0x1e0 [ 63.888503][ T4145] do_exit+0x67c/0x1f58 [ 63.889752][ T4145] do_group_exit+0x100/0x268 [ 63.891146][ T4145] get_signal+0x73c/0x1340 [ 63.892520][ T4145] do_notify_resume+0x35c/0x3128 [ 63.894067][ T4145] el0_svc+0xf0/0x1e0 [ 63.895278][ T4145] el0t_64_sync_handler+0xcc/0xe4 [ 63.896834][ T4145] el0t_64_sync+0x1a0/0x1a4 [ 63.898193][ T4145] [ 63.898193][ T4145] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 63.900251][ T4145] __mutex_lock_common+0x194/0x1edc [ 63.901823][ T4145] mutex_lock_nested+0xac/0x11c [ 63.903238][ T4145] bg_scan_update+0x48/0x3d0 [ 63.904623][ T4145] process_one_work+0x79c/0x1140 [ 63.906115][ T4145] worker_thread+0x8f4/0x101c [ 63.907534][ T4145] kthread+0x374/0x454 [ 63.908795][ T4145] ret_from_fork+0x10/0x20 [ 63.910191][ T4145] [ 63.910191][ T4145] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 63.912858][ T4145] __lock_acquire+0x2928/0x651c [ 63.914260][ T4145] lock_acquire+0x1f4/0x620 [ 63.915600][ T4145] __flush_work+0xf4/0x1bc [ 63.916924][ T4145] __cancel_work_timer+0x2ec/0x448 [ 63.918430][ T4145] cancel_work_sync+0x24/0x38 [ 63.919869][ T4145] hci_request_cancel_all+0xbc/0x2d0 [ 63.921451][ T4145] hci_dev_do_close+0x54/0x105c [ 63.922916][ T4145] hci_rfkill_set_block+0xdc/0x1d0 [ 63.924501][ T4145] rfkill_set_block+0x18c/0x374 [ 63.925980][ T4145] rfkill_fop_write+0x4a4/0x5cc [ 63.927464][ T4145] vfs_write+0x280/0xa2c [ 63.928751][ T4145] ksys_write+0x120/0x210 [ 63.930078][ T4145] __arm64_sys_write+0x7c/0x90 [ 63.931404][ T4145] invoke_syscall+0x98/0x2b8 [ 63.932769][ T4145] el0_svc_common+0x138/0x258 [ 63.934152][ T4145] do_el0_svc+0x58/0x14c [ 63.935437][ T4145] el0_svc+0x78/0x1e0 [ 63.936633][ T4145] el0t_64_sync_handler+0xcc/0xe4 [ 63.938072][ T4145] el0t_64_sync+0x1a0/0x1a4 [ 63.939484][ T4145] [ 63.939484][ T4145] other info that might help us debug this: [ 63.939484][ T4145] [ 63.942280][ T4145] Chain exists of: [ 63.942280][ T4145] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 63.942280][ T4145] [ 63.947090][ T4145] Possible unsafe locking scenario: [ 63.947090][ T4145] [ 63.949190][ T4145] CPU0 CPU1 [ 63.950611][ T4145] ---- ---- [ 63.952059][ T4145] lock(rfkill_global_mutex); [ 63.953407][ T4145] lock(&data->open_mutex); [ 63.955390][ T4145] lock(rfkill_global_mutex); [ 63.957427][ T4145] lock((work_completion)(&hdev->bg_scan_update)); [ 63.959264][ T4145] [ 63.959264][ T4145] *** DEADLOCK *** [ 63.959264][ T4145] [ 63.961514][ T4145] 1 lock held by syz.0.16/4145: [ 63.962845][ T4145] #0: ffff8000164f7788 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x238/0x5cc [ 63.965646][ T4145] [ 63.965646][ T4145] stack backtrace: [ 63.967248][ T4145] CPU: 0 PID: 4145 Comm: syz.0.16 Not tainted 5.15.184-syzkaller #0 [ 63.969454][ T4145] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 63.972224][ T4145] Call trace: [ 63.973092][ T4145] dump_backtrace+0x0/0x43c [ 63.974305][ T4145] show_stack+0x2c/0x3c [ 63.975402][ T4145] __dump_stack+0x30/0x40 [ 63.976504][ T4145] dump_stack_lvl+0xf8/0x160 [ 63.977792][ T4145] dump_stack+0x1c/0x5c [ 63.978903][ T4145] print_circular_bug+0x148/0x1b0 [ 63.980260][ T4145] check_noncircular+0x240/0x2d4 [ 63.981609][ T4145] __lock_acquire+0x2928/0x651c [ 63.982956][ T4145] lock_acquire+0x1f4/0x620 [ 63.984176][ T4145] __flush_work+0xf4/0x1bc [ 63.985390][ T4145] __cancel_work_timer+0x2ec/0x448 [ 63.986827][ T4145] cancel_work_sync+0x24/0x38 [ 63.988084][ T4145] hci_request_cancel_all+0xbc/0x2d0 [ 63.989521][ T4145] hci_dev_do_close+0x54/0x105c [ 63.990839][ T4145] hci_rfkill_set_block+0xdc/0x1d0 [ 63.992251][ T4145] rfkill_set_block+0x18c/0x374 [ 63.993626][ T4145] rfkill_fop_write+0x4a4/0x5cc [ 63.994972][ T4145] vfs_write+0x280/0xa2c [ 63.996114][ T4145] ksys_write+0x120/0x210 [ 63.997239][ T4145] __arm64_sys_write+0x7c/0x90 [ 63.998571][ T4145] invoke_syscall+0x98/0x2b8 [ 63.999979][ T4145] el0_svc_common+0x138/0x258 [ 64.001272][ T4145] do_el0_svc+0x58/0x14c [ 64.002471][ T4145] el0_svc+0x78/0x1e0 [ 64.003613][ T4145] el0t_64_sync_handler+0xcc/0xe4 [ 64.005027][ T4145] el0t_64_sync+0x1a0/0x1a4