Warning: Permanently added '10.128.0.100' (ED25519) to the list of known hosts. 1970/01/01 00:00:37 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:00:38 parsed 1 programs [ 40.836076][ T4022] cgroup: Unknown subsys name 'net' [ 41.077501][ T4022] cgroup: Unknown subsys name 'rlimit' [ 41.409756][ T4022] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 50.033055][ T4047] chnl_net:caif_netlink_parms(): no params data found [ 50.069573][ T4047] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.071185][ T4047] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.073544][ T4047] device bridge_slave_0 entered promiscuous mode [ 50.077262][ T4047] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.078736][ T4047] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.080684][ T4047] device bridge_slave_1 entered promiscuous mode [ 50.097275][ T4047] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 50.100709][ T4047] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 50.114623][ T4047] team0: Port device team_slave_0 added [ 50.117193][ T4047] team0: Port device team_slave_1 added [ 50.132001][ T4047] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 50.133445][ T4047] 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. [ 50.138260][ T4047] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 50.141843][ T4047] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 50.143257][ T4047] 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. [ 50.148356][ T4047] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 50.203698][ T4047] device hsr_slave_0 entered promiscuous mode [ 50.241827][ T4047] device hsr_slave_1 entered promiscuous mode [ 50.362477][ T4047] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 50.415974][ T4047] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 50.463774][ T4047] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 50.506354][ T4047] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 50.596535][ T4047] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.598145][ T4047] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.599853][ T4047] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.601624][ T4047] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.643575][ T4047] 8021q: adding VLAN 0 to HW filter on device bond0 [ 50.650402][ T580] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 50.654313][ T580] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.656552][ T580] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.659048][ T580] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 50.671371][ T4047] 8021q: adding VLAN 0 to HW filter on device team0 [ 50.676891][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 50.678963][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.680420][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.687090][ T580] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 50.689324][ T580] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.690740][ T580] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.705010][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 50.707555][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 50.714077][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 50.719375][ T580] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 50.728265][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 50.733360][ T4047] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 50.804147][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 50.806078][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 50.810078][ T4047] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 50.824394][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 50.836000][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 50.838671][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 50.840679][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 50.848003][ T4047] device veth0_vlan entered promiscuous mode [ 50.854664][ T4047] device veth1_vlan entered promiscuous mode [ 50.870181][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 50.872987][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 50.875162][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 50.880585][ T4047] device veth0_macvtap entered promiscuous mode [ 50.884714][ T4047] device veth1_macvtap entered promiscuous mode [ 50.894519][ T4047] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 50.896310][ T580] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 50.898916][ T580] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 50.905848][ T4047] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 50.907698][ T580] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 50.912514][ T4047] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 50.914574][ T4047] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 50.916514][ T4047] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 50.918170][ T4047] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.911629][ T148] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 52.034356][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 52.036064][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 52.038048][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 52.054628][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 52.056387][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 52.058453][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:00:52 executed programs: 0 [ 52.437928][ T4101] chnl_net:caif_netlink_parms(): no params data found [ 52.469524][ T4101] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.471109][ T4101] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.474170][ T4101] device bridge_slave_0 entered promiscuous mode [ 52.477339][ T4101] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.478882][ T4101] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.481028][ T4101] device bridge_slave_1 entered promiscuous mode [ 52.495453][ T4101] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 52.499230][ T4101] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 52.515798][ T4101] team0: Port device team_slave_0 added [ 52.518650][ T4101] team0: Port device team_slave_1 added [ 52.532390][ T4101] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 52.533892][ T4101] 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. [ 52.539271][ T4101] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 52.543465][ T4101] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 52.544916][ T4101] 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. [ 52.550315][ T4101] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 52.593946][ T4101] device hsr_slave_0 entered promiscuous mode [ 52.641938][ T4101] device hsr_slave_1 entered promiscuous mode [ 52.671596][ T4101] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 52.673379][ T4101] Cannot create hsr debugfs directory [ 54.431847][ T4061] Bluetooth: hci0: command 0x0409 tx timeout [ 54.467239][ T148] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 56.511647][ T3604] Bluetooth: hci0: command 0x041b tx timeout [ 56.797092][ T148] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 56.838880][ T148] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 57.848658][ T4101] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 57.894841][ T4101] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 57.933848][ T4101] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 57.994581][ T4101] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 58.074714][ T4101] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.080816][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.084404][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.088372][ T4101] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.093312][ T1821] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.097241][ T1821] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.099193][ T1821] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.100661][ T1821] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.105000][ T1821] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.109605][ T1821] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.114535][ T1821] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.116760][ T1821] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.118197][ T1821] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.122783][ T1821] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.127388][ T1821] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.134503][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.137027][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.139536][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.144277][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.146575][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.150863][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.156592][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.161097][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.163432][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.167157][ T4101] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.229486][ T1821] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.231224][ T1821] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.238260][ T4101] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.248445][ T1821] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 58.250819][ T1821] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 58.265497][ T1821] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 58.267706][ T1821] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 58.270000][ T1821] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 58.273394][ T1821] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 58.276836][ T4101] device veth0_vlan entered promiscuous mode [ 58.282915][ T4101] device veth1_vlan entered promiscuous mode [ 58.317547][ T1821] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 58.319548][ T1821] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 58.322335][ T1821] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 58.324487][ T1821] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 58.328569][ T4101] device veth0_macvtap entered promiscuous mode [ 58.333450][ T4101] device veth1_macvtap entered promiscuous mode [ 58.341858][ T4101] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 58.344089][ T4101] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 58.349609][ T4101] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 58.351680][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 58.353771][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 58.356035][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 58.358199][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 58.388332][ T4101] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 58.390533][ T4101] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 58.394054][ T4101] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 58.395904][ T1821] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 58.398292][ T1821] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 58.402569][ T4101] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.404450][ T4101] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.406275][ T4101] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.408024][ T4101] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.453566][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 58.455278][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 58.457443][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 58.469917][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 58.471902][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 58.474244][ T1821] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 58.591749][ T4120] Bluetooth: hci0: command 0x040f tx timeout [ 58.617356][ T4151] [ 58.617917][ T4151] ====================================================== [ 58.619278][ T4151] WARNING: possible circular locking dependency detected [ 58.620547][ T4151] 5.15.169-syzkaller #0 Not tainted [ 58.621638][ T4151] ------------------------------------------------------ [ 58.623101][ T4151] syz.0.15/4151 is trying to acquire lock: [ 58.624220][ T4151] ffff0000d68d0c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xd0/0x1c0 [ 58.626380][ T4151] [ 58.626380][ T4151] but task is already holding lock: [ 58.627895][ T4151] ffff800016e66da8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 58.629899][ T4151] [ 58.629899][ T4151] which lock already depends on the new lock. [ 58.629899][ T4151] [ 58.632013][ T4151] [ 58.632013][ T4151] the existing dependency chain (in reverse order) is: [ 58.633965][ T4151] [ 58.633965][ T4151] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 58.635635][ T4151] __mutex_lock_common+0x194/0x2154 [ 58.636710][ T4151] mutex_lock_nested+0xa4/0xf8 [ 58.637817][ T4151] rfkill_register+0x44/0x7a4 [ 58.638751][ T4151] hci_register_dev+0x3e0/0x880 [ 58.640007][ T4151] vhci_create_device+0x2c4/0x568 [ 58.641100][ T4151] vhci_write+0x318/0x3b8 [ 58.641999][ T4151] vfs_write+0x884/0xb44 [ 58.643006][ T4151] ksys_write+0x15c/0x26c [ 58.643985][ T4151] __arm64_sys_write+0x7c/0x90 [ 58.645157][ T4151] invoke_syscall+0x98/0x2b8 [ 58.646330][ T4151] el0_svc_common+0x138/0x258 [ 58.647403][ T4151] do_el0_svc+0x58/0x14c [ 58.648435][ T4151] el0_svc+0x7c/0x1f0 [ 58.649421][ T4151] el0t_64_sync_handler+0x84/0xe4 [ 58.650532][ T4151] el0t_64_sync+0x1a0/0x1a4 [ 58.651630][ T4151] [ 58.651630][ T4151] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 58.653278][ T4151] __mutex_lock_common+0x194/0x2154 [ 58.654466][ T4151] mutex_lock_nested+0xa4/0xf8 [ 58.655461][ T4151] vhci_send_frame+0x8c/0x10c [ 58.656583][ T4151] hci_send_frame+0x194/0x2f0 [ 58.657536][ T4151] hci_tx_work+0x9ac/0x16cc [ 58.658597][ T4151] process_one_work+0x790/0x11b8 [ 58.659797][ T4151] worker_thread+0x910/0x1034 [ 58.660991][ T4151] kthread+0x37c/0x45c [ 58.661962][ T4151] ret_from_fork+0x10/0x20 [ 58.663028][ T4151] [ 58.663028][ T4151] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 58.665130][ T4151] __flush_work+0xf8/0x1c0 [ 58.666153][ T4151] flush_work+0x24/0x38 [ 58.667013][ T4151] hci_dev_do_close+0x16c/0x1060 [ 58.668254][ T4151] hci_unregister_dev+0x248/0x4d4 [ 58.669513][ T4151] vhci_release+0x74/0xc4 [ 58.670526][ T4151] __fput+0x1c4/0x800 [ 58.671421][ T4151] ____fput+0x20/0x30 [ 58.672318][ T4151] task_work_run+0x130/0x1e4 [ 58.673388][ T4151] do_exit+0x670/0x20bc [ 58.674365][ T4151] do_group_exit+0x110/0x268 [ 58.675469][ T4151] get_signal+0x634/0x1550 [ 58.676486][ T4151] do_notify_resume+0x3d0/0x32b8 [ 58.677651][ T4151] el0_svc+0xfc/0x1f0 [ 58.678535][ T4151] el0t_64_sync_handler+0x84/0xe4 [ 58.679681][ T4151] el0t_64_sync+0x1a0/0x1a4 [ 58.680797][ T4151] [ 58.680797][ T4151] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 58.682358][ T4151] __mutex_lock_common+0x194/0x2154 [ 58.683462][ T4151] mutex_lock_nested+0xa4/0xf8 [ 58.684600][ T4151] bg_scan_update+0x9c/0x470 [ 58.685709][ T4151] process_one_work+0x790/0x11b8 [ 58.686878][ T4151] worker_thread+0x910/0x1034 [ 58.687885][ T4151] kthread+0x37c/0x45c [ 58.688836][ T4151] ret_from_fork+0x10/0x20 [ 58.689997][ T4151] [ 58.689997][ T4151] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 58.692020][ T4151] __lock_acquire+0x32d4/0x7638 [ 58.693146][ T4151] lock_acquire+0x240/0x77c [ 58.694249][ T4151] __flush_work+0xf8/0x1c0 [ 58.695323][ T4151] __cancel_work_timer+0x3ec/0x548 [ 58.696565][ T4151] cancel_work_sync+0x24/0x38 [ 58.697676][ T4151] hci_request_cancel_all+0xcc/0x2d0 [ 58.698838][ T4151] hci_dev_do_close+0x54/0x1060 [ 58.699890][ T4151] hci_rfkill_set_block+0xdc/0x1d0 [ 58.700949][ T4151] rfkill_set_block+0x18c/0x37c [ 58.702104][ T4151] rfkill_fop_write+0x594/0x750 [ 58.703132][ T4151] vfs_write+0x280/0xb44 [ 58.704157][ T4151] ksys_write+0x15c/0x26c [ 58.705088][ T4151] __arm64_sys_write+0x7c/0x90 [ 58.706205][ T4151] invoke_syscall+0x98/0x2b8 [ 58.707275][ T4151] el0_svc_common+0x138/0x258 [ 58.708542][ T4151] do_el0_svc+0x58/0x14c [ 58.709550][ T4151] el0_svc+0x7c/0x1f0 [ 58.710454][ T4151] el0t_64_sync_handler+0x84/0xe4 [ 58.711577][ T4151] el0t_64_sync+0x1a0/0x1a4 [ 58.712540][ T4151] [ 58.712540][ T4151] other info that might help us debug this: [ 58.712540][ T4151] [ 58.714692][ T4151] Chain exists of: [ 58.714692][ T4151] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 58.714692][ T4151] [ 58.717791][ T4151] Possible unsafe locking scenario: [ 58.717791][ T4151] [ 58.719366][ T4151] CPU0 CPU1 [ 58.720514][ T4151] ---- ---- [ 58.721622][ T4151] lock(rfkill_global_mutex); [ 58.722618][ T4151] lock(&data->open_mutex); [ 58.724205][ T4151] lock(rfkill_global_mutex); [ 58.725650][ T4151] lock((work_completion)(&hdev->bg_scan_update)); [ 58.726910][ T4151] [ 58.726910][ T4151] *** DEADLOCK *** [ 58.726910][ T4151] [ 58.728726][ T4151] 1 lock held by syz.0.15/4151: [ 58.729773][ T4151] #0: ffff800016e66da8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 58.732009][ T4151] [ 58.732009][ T4151] stack backtrace: [ 58.733243][ T4151] CPU: 1 PID: 4151 Comm: syz.0.15 Not tainted 5.15.169-syzkaller #0 [ 58.734885][ T4151] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 58.737054][ T4151] Call trace: [ 58.737758][ T4151] dump_backtrace+0x0/0x530 [ 58.738670][ T4151] show_stack+0x2c/0x3c [ 58.739469][ T4151] dump_stack_lvl+0x108/0x170 [ 58.740511][ T4151] dump_stack+0x1c/0x58 [ 58.741377][ T4151] print_circular_bug+0x150/0x1b8 [ 58.742388][ T4151] check_noncircular+0x2cc/0x378 [ 58.743478][ T4151] __lock_acquire+0x32d4/0x7638 [ 58.744599][ T4151] lock_acquire+0x240/0x77c [ 58.745628][ T4151] __flush_work+0xf8/0x1c0 [ 58.746620][ T4151] __cancel_work_timer+0x3ec/0x548 [ 58.747693][ T4151] cancel_work_sync+0x24/0x38 [ 58.748769][ T4151] hci_request_cancel_all+0xcc/0x2d0 [ 58.749890][ T4151] hci_dev_do_close+0x54/0x1060 [ 58.751077][ T4151] hci_rfkill_set_block+0xdc/0x1d0 [ 58.752203][ T4151] rfkill_set_block+0x18c/0x37c [ 58.753286][ T4151] rfkill_fop_write+0x594/0x750 [ 58.754201][ T4151] vfs_write+0x280/0xb44 [ 58.755005][ T4151] ksys_write+0x15c/0x26c [ 58.755872][ T4151] __arm64_sys_write+0x7c/0x90 [ 58.756837][ T4151] invoke_syscall+0x98/0x2b8 [ 58.757770][ T4151] el0_svc_common+0x138/0x258 [ 58.758667][ T4151] do_el0_svc+0x58/0x14c [ 58.759558][ T4151] el0_svc+0x7c/0x1f0 [ 58.760357][ T4151] el0t_64_sync_handler+0x84/0xe4 [ 58.761334][ T4151] el0t_64_sync+0x1a0/0x1a4