Warning: Permanently added '10.128.0.24' (ED25519) to the list of known hosts. 1970/01/01 00:00:40 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:00:41 parsed 1 programs [ 44.020441][ T4021] cgroup: Unknown subsys name 'net' [ 44.233275][ T4021] cgroup: Unknown subsys name 'rlimit' [ 44.551128][ T4021] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 52.350386][ T4042] chnl_net:caif_netlink_parms(): no params data found [ 52.390171][ T4042] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.391779][ T4042] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.393984][ T4042] device bridge_slave_0 entered promiscuous mode [ 52.399699][ T4042] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.401254][ T4042] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.403284][ T4042] device bridge_slave_1 entered promiscuous mode [ 52.418496][ T4042] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 52.422190][ T4042] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 52.437862][ T4042] team0: Port device team_slave_0 added [ 52.440675][ T4042] team0: Port device team_slave_1 added [ 52.459831][ T4042] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 52.461264][ T4042] 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. [ 52.466418][ T4042] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 52.470891][ T4042] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 52.472333][ T4042] 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. [ 52.478070][ T4042] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 52.550070][ T4042] device hsr_slave_0 entered promiscuous mode [ 52.587649][ T4042] device hsr_slave_1 entered promiscuous mode [ 52.713709][ T4042] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 52.770533][ T4042] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 52.844636][ T4042] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 52.899843][ T4042] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 52.956736][ T4042] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.958378][ T4042] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.960441][ T4042] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.961959][ T4042] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.004266][ T4042] 8021q: adding VLAN 0 to HW filter on device bond0 [ 53.012331][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 53.016687][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.021409][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.028807][ T4042] 8021q: adding VLAN 0 to HW filter on device team0 [ 53.043142][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 53.045414][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.046917][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.049185][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 53.051146][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.052662][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.063277][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 53.065638][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 53.076502][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 53.081787][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 53.087176][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 53.092119][ T4042] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 53.164849][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 53.166547][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 53.172792][ T4042] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 53.228975][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 53.231281][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 53.242647][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 53.244963][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 53.247123][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 53.250790][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 53.255054][ T4042] device veth0_vlan entered promiscuous mode [ 53.264767][ T4042] device veth1_vlan entered promiscuous mode [ 53.281933][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 53.284046][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 53.286140][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 53.291698][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 53.296019][ T4042] device veth0_macvtap entered promiscuous mode [ 53.302090][ T4042] device veth1_macvtap entered promiscuous mode [ 53.314720][ T4042] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 53.316369][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 53.318625][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 53.320672][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 53.322960][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 53.331351][ T4042] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 53.332884][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 53.335290][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 53.341307][ T4042] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.343230][ T4042] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.345050][ T4042] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.346953][ T4042] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.643159][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 53.644924][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 53.647452][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 53.675838][ T153] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 53.679106][ T153] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 53.681422][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 54.734399][ T148] ODEBUG: Out of memory. ODEBUG disabled [ 54.838894][ T148] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:54 executed programs: 0 [ 55.126337][ T4101] chnl_net:caif_netlink_parms(): no params data found [ 55.156885][ T4101] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.158751][ T4101] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.160784][ T4101] device bridge_slave_0 entered promiscuous mode [ 55.163740][ T4101] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.165302][ T4101] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.167982][ T4101] device bridge_slave_1 entered promiscuous mode [ 55.181436][ T4101] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.184985][ T4101] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.198291][ T4101] team0: Port device team_slave_0 added [ 55.201026][ T4101] team0: Port device team_slave_1 added [ 55.212595][ T4101] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 55.214012][ 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. [ 55.219698][ T4101] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 55.223172][ T4101] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 55.224489][ 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. [ 55.230825][ T4101] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 55.309252][ T4101] device hsr_slave_0 entered promiscuous mode [ 55.347751][ T4101] device hsr_slave_1 entered promiscuous mode [ 55.407501][ T4101] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 55.409429][ T4101] Cannot create hsr debugfs directory [ 57.068004][ T1960] Bluetooth: hci0: command 0x0409 tx timeout [ 58.153211][ T148] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 58.703761][ T148] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 58.763987][ T148] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 59.147668][ T4040] Bluetooth: hci0: command 0x041b tx timeout [ 59.697689][ T4101] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 59.731811][ T4101] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 59.769487][ T4101] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 59.819872][ T4101] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 59.911276][ T4101] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.918038][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.919992][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.924258][ T4101] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.928987][ T307] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.931260][ T307] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.933309][ T307] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.934731][ T307] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.936731][ T307] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.941808][ T307] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.944111][ T307] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.946448][ T307] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.947964][ T307] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.952421][ T307] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.956770][ T307] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.963047][ T307] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.965905][ T307] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.969088][ T307] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.973872][ T307] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.976316][ T307] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.981717][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.983979][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.988910][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.991000][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.994607][ T4101] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.071074][ T307] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.072870][ T307] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.080177][ T4101] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.090190][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 60.092443][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 60.103093][ T307] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 60.105304][ T307] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 60.109850][ T307] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 60.111829][ T307] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 60.115411][ T4101] device veth0_vlan entered promiscuous mode [ 60.122584][ T4101] device veth1_vlan entered promiscuous mode [ 60.134245][ T307] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 60.136873][ T307] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 60.139816][ T307] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 60.142005][ T307] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 60.145923][ T4101] device veth0_macvtap entered promiscuous mode [ 60.149983][ T4101] device veth1_macvtap entered promiscuous mode [ 60.159219][ T4101] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 60.161573][ T4101] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 60.164612][ T4101] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 60.166193][ T307] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 60.169317][ T307] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 60.171395][ T307] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 60.173671][ T307] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 60.176967][ T4101] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 60.179758][ T4101] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 60.182408][ T4101] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 60.185763][ T4101] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.187883][ T4101] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.189607][ T4101] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.191305][ T4101] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.194338][ T307] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 60.196600][ T307] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 60.232873][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 60.234497][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 60.236834][ T307] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 60.249617][ T153] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 60.251615][ T153] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 60.254051][ T307] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 60.289360][ T4156] [ 60.289872][ T4156] ====================================================== [ 60.291169][ T4156] WARNING: possible circular locking dependency detected [ 60.292677][ T4156] 5.15.167-syzkaller #0 Not tainted [ 60.293690][ T4156] ------------------------------------------------------ [ 60.295090][ T4156] syz.0.15/4156 is trying to acquire lock: [ 60.296341][ T4156] ffff0000d5b50c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xd0/0x1c0 [ 60.298663][ T4156] [ 60.298663][ T4156] but task is already holding lock: [ 60.300288][ T4156] ffff800016e75ba8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 60.302612][ T4156] [ 60.302612][ T4156] which lock already depends on the new lock. [ 60.302612][ T4156] [ 60.304757][ T4156] [ 60.304757][ T4156] the existing dependency chain (in reverse order) is: [ 60.306778][ T4156] [ 60.306778][ T4156] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 60.308397][ T4156] __mutex_lock_common+0x194/0x2154 [ 60.309547][ T4156] mutex_lock_nested+0xa4/0xf8 [ 60.310639][ T4156] rfkill_register+0x44/0x7a4 [ 60.311742][ T4156] hci_register_dev+0x3e0/0x880 [ 60.312796][ T4156] vhci_create_device+0x2c4/0x568 [ 60.313996][ T4156] vhci_write+0x318/0x3b8 [ 60.315094][ T4156] vfs_write+0x884/0xb44 [ 60.316051][ T4156] ksys_write+0x15c/0x26c [ 60.316987][ T4156] __arm64_sys_write+0x7c/0x90 [ 60.318137][ T4156] invoke_syscall+0x98/0x2b8 [ 60.319172][ T4156] el0_svc_common+0x138/0x258 [ 60.320281][ T4156] do_el0_svc+0x58/0x14c [ 60.321357][ T4156] el0_svc+0x7c/0x1f0 [ 60.322217][ T4156] el0t_64_sync_handler+0x84/0xe4 [ 60.323275][ T4156] el0t_64_sync+0x1a0/0x1a4 [ 60.324355][ T4156] [ 60.324355][ T4156] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 60.326038][ T4156] __mutex_lock_common+0x194/0x2154 [ 60.327339][ T4156] mutex_lock_nested+0xa4/0xf8 [ 60.328471][ T4156] vhci_send_frame+0x8c/0x10c [ 60.329504][ T4156] hci_send_frame+0x194/0x2f0 [ 60.330661][ T4156] hci_tx_work+0x9ac/0x16cc [ 60.331770][ T4156] process_one_work+0x790/0x11b8 [ 60.332911][ T4156] worker_thread+0x910/0x1034 [ 60.334002][ T4156] kthread+0x37c/0x45c [ 60.334986][ T4156] ret_from_fork+0x10/0x20 [ 60.336120][ T4156] [ 60.336120][ T4156] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 60.338027][ T4156] __flush_work+0xf8/0x1c0 [ 60.339032][ T4156] flush_work+0x24/0x38 [ 60.340070][ T4156] hci_dev_do_close+0x16c/0x1060 [ 60.341276][ T4156] hci_unregister_dev+0x248/0x4d4 [ 60.342491][ T4156] vhci_release+0x74/0xc4 [ 60.343500][ T4156] __fput+0x1c4/0x800 [ 60.344437][ T4156] ____fput+0x20/0x30 [ 60.345380][ T4156] task_work_run+0x130/0x1e4 [ 60.346454][ T4156] do_exit+0x670/0x20bc [ 60.347410][ T4156] do_group_exit+0x110/0x268 [ 60.348580][ T4156] get_signal+0x634/0x1550 [ 60.349618][ T4156] do_notify_resume+0x3d0/0x32b8 [ 60.350701][ T4156] el0_svc+0xfc/0x1f0 [ 60.351632][ T4156] el0t_64_sync_handler+0x84/0xe4 [ 60.352875][ T4156] el0t_64_sync+0x1a0/0x1a4 [ 60.353867][ T4156] [ 60.353867][ T4156] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 60.355472][ T4156] __mutex_lock_common+0x194/0x2154 [ 60.356635][ T4156] mutex_lock_nested+0xa4/0xf8 [ 60.357740][ T4156] bg_scan_update+0x9c/0x470 [ 60.358834][ T4156] process_one_work+0x790/0x11b8 [ 60.360021][ T4156] worker_thread+0x910/0x1034 [ 60.361026][ T4156] kthread+0x37c/0x45c [ 60.362000][ T4156] ret_from_fork+0x10/0x20 [ 60.363077][ T4156] [ 60.363077][ T4156] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 60.365145][ T4156] __lock_acquire+0x32d4/0x7638 [ 60.366327][ T4156] lock_acquire+0x240/0x77c [ 60.367427][ T4156] __flush_work+0xf8/0x1c0 [ 60.368543][ T4156] __cancel_work_timer+0x3ec/0x548 [ 60.369815][ T4156] cancel_work_sync+0x24/0x38 [ 60.370863][ T4156] hci_request_cancel_all+0xcc/0x2d0 [ 60.372092][ T4156] hci_dev_do_close+0x54/0x1060 [ 60.373217][ T4156] hci_rfkill_set_block+0xdc/0x1d0 [ 60.374416][ T4156] rfkill_set_block+0x18c/0x37c [ 60.375554][ T4156] rfkill_fop_write+0x594/0x750 [ 60.376549][ T4156] vfs_write+0x280/0xb44 [ 60.377493][ T4156] ksys_write+0x15c/0x26c [ 60.378496][ T4156] __arm64_sys_write+0x7c/0x90 [ 60.379627][ T4156] invoke_syscall+0x98/0x2b8 [ 60.380654][ T4156] el0_svc_common+0x138/0x258 [ 60.381669][ T4156] do_el0_svc+0x58/0x14c [ 60.382708][ T4156] el0_svc+0x7c/0x1f0 [ 60.383726][ T4156] el0t_64_sync_handler+0x84/0xe4 [ 60.384935][ T4156] el0t_64_sync+0x1a0/0x1a4 [ 60.386086][ T4156] [ 60.386086][ T4156] other info that might help us debug this: [ 60.386086][ T4156] [ 60.388505][ T4156] Chain exists of: [ 60.388505][ T4156] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 60.388505][ T4156] [ 60.391923][ T4156] Possible unsafe locking scenario: [ 60.391923][ T4156] [ 60.393438][ T4156] CPU0 CPU1 [ 60.394745][ T4156] ---- ---- [ 60.395817][ T4156] lock(rfkill_global_mutex); [ 60.396768][ T4156] lock(&data->open_mutex); [ 60.398207][ T4156] lock(rfkill_global_mutex); [ 60.399694][ T4156] lock((work_completion)(&hdev->bg_scan_update)); [ 60.401053][ T4156] [ 60.401053][ T4156] *** DEADLOCK *** [ 60.401053][ T4156] [ 60.402921][ T4156] 1 lock held by syz.0.15/4156: [ 60.404058][ T4156] #0: ffff800016e75ba8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 60.406350][ T4156] [ 60.406350][ T4156] stack backtrace: [ 60.407677][ T4156] CPU: 1 PID: 4156 Comm: syz.0.15 Not tainted 5.15.167-syzkaller #0 [ 60.409467][ T4156] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 60.411809][ T4156] Call trace: [ 60.412491][ T4156] dump_backtrace+0x0/0x530 [ 60.413389][ T4156] show_stack+0x2c/0x3c [ 60.414349][ T4156] dump_stack_lvl+0x108/0x170 [ 60.415480][ T4156] dump_stack+0x1c/0x58 [ 60.416372][ T4156] print_circular_bug+0x150/0x1b8 [ 60.417455][ T4156] check_noncircular+0x2cc/0x378 [ 60.418652][ T4156] __lock_acquire+0x32d4/0x7638 [ 60.419725][ T4156] lock_acquire+0x240/0x77c [ 60.420747][ T4156] __flush_work+0xf8/0x1c0 [ 60.421678][ T4156] __cancel_work_timer+0x3ec/0x548 [ 60.422722][ T4156] cancel_work_sync+0x24/0x38 [ 60.423768][ T4156] hci_request_cancel_all+0xcc/0x2d0 [ 60.424830][ T4156] hci_dev_do_close+0x54/0x1060 [ 60.425875][ T4156] hci_rfkill_set_block+0xdc/0x1d0 [ 60.426998][ T4156] rfkill_set_block+0x18c/0x37c [ 60.428223][ T4156] rfkill_fop_write+0x594/0x750 [ 60.429311][ T4156] vfs_write+0x280/0xb44 [ 60.430407][ T4156] ksys_write+0x15c/0x26c [ 60.431307][ T4156] __arm64_sys_write+0x7c/0x90 [ 60.432359][ T4156] invoke_syscall+0x98/0x2b8 [ 60.433343][ T4156] el0_svc_common+0x138/0x258 [ 60.434285][ T4156] do_el0_svc+0x58/0x14c [ 60.435154][ T4156] el0_svc+0x7c/0x1f0 [ 60.435962][ T4156] el0t_64_sync_handler+0x84/0xe4 [ 60.436999][ T4156] el0t_64_sync+0x1a0/0x1a4