Warning: Permanently added '10.128.1.166' (ED25519) to the list of known hosts. 1970/01/01 00:00:44 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:00:45 parsed 1 programs [ 48.390554][ T4026] cgroup: Unknown subsys name 'net' [ 48.606264][ T4026] cgroup: Unknown subsys name 'rlimit' [ 48.960071][ T4026] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 57.495717][ T4047] chnl_net:caif_netlink_parms(): no params data found [ 57.541472][ T4047] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.543646][ T4047] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.546495][ T4047] device bridge_slave_0 entered promiscuous mode [ 57.551614][ T4047] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.553622][ T4047] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.556425][ T4047] device bridge_slave_1 entered promiscuous mode [ 57.578445][ T4047] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.584587][ T4047] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.601742][ T4047] team0: Port device team_slave_0 added [ 57.605100][ T4047] team0: Port device team_slave_1 added [ 57.620144][ T4047] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 57.622028][ 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. [ 57.628883][ T4047] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 57.634292][ T4047] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 57.636176][ 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. [ 57.643103][ T4047] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 57.702384][ T4047] device hsr_slave_0 entered promiscuous mode [ 57.749844][ T4047] device hsr_slave_1 entered promiscuous mode [ 57.946174][ T4047] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 57.984382][ T4047] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 58.032550][ T4047] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 58.072065][ T4047] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 58.139415][ T4047] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.141446][ T4047] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.143748][ T4047] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.145635][ T4047] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.196920][ T4047] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.206478][ T1755] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.211873][ T1755] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.215903][ T1755] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.219006][ T1755] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 58.230398][ T4047] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.243032][ T1755] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.245670][ T1755] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.247559][ T1755] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.251585][ T1755] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.254141][ T1755] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.255944][ T1755] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.272489][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.275522][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.278513][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.281885][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.287440][ T1755] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.294778][ T4047] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.371529][ T604] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.373778][ T604] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.381383][ T4047] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.395725][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 58.409777][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 58.413070][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 58.415560][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 58.419889][ T4047] device veth0_vlan entered promiscuous mode [ 58.425933][ T4047] device veth1_vlan entered promiscuous mode [ 58.444166][ T604] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 58.446953][ T604] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 58.450296][ T604] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 58.454925][ T4047] device veth0_macvtap entered promiscuous mode [ 58.462399][ T4047] device veth1_macvtap entered promiscuous mode [ 58.472836][ T604] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 58.481779][ T4047] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 58.484824][ T604] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 58.487714][ T604] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 58.495053][ T4047] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 58.497209][ T604] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 58.501946][ T604] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 58.508432][ T4047] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.513915][ T4047] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.516207][ T4047] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.518579][ T4047] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.915330][ T1755] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 58.917576][ T1755] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 58.922098][ T604] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 58.944288][ T604] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 58.946514][ T604] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 58.949695][ T1755] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 59.335228][ T136] ODEBUG: Out of memory. ODEBUG disabled [ 59.447851][ T136] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:01:00 executed programs: 0 [ 60.370188][ T4106] chnl_net:caif_netlink_parms(): no params data found [ 60.402534][ T4106] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.404581][ T4106] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.407030][ T4106] device bridge_slave_0 entered promiscuous mode [ 60.410915][ T4106] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.412955][ T4106] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.415391][ T4106] device bridge_slave_1 entered promiscuous mode [ 60.430090][ T4106] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.435327][ T4106] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.449100][ T4106] team0: Port device team_slave_0 added [ 60.452482][ T4106] team0: Port device team_slave_1 added [ 60.464419][ T4106] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 60.466302][ T4106] 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. [ 60.473522][ T4106] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 60.477876][ T4106] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 60.479792][ T4106] 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. [ 60.486512][ T4106] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 60.541425][ T4106] device hsr_slave_0 entered promiscuous mode [ 60.579816][ T4106] device hsr_slave_1 entered promiscuous mode [ 60.639606][ T4106] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 60.641936][ T4106] Cannot create hsr debugfs directory [ 61.645638][ T136] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 62.350179][ T13] Bluetooth: hci0: command 0x0409 tx timeout [ 63.695861][ T136] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 63.747610][ T136] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 64.429583][ T4072] Bluetooth: hci0: command 0x041b tx timeout [ 64.818454][ T4106] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 64.852451][ T4106] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 64.892553][ T4106] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 64.931869][ T4106] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 65.073494][ T4106] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.081489][ T1755] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.085635][ T1755] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.092007][ T4106] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.103436][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.106411][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.109117][ T148] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.111085][ T148] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.114577][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.118806][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.122092][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.124725][ T148] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.126735][ T148] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.133552][ T1755] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.154907][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.160914][ T1755] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.164037][ T1755] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.167143][ T1755] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.174044][ T1755] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.176934][ T1755] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.183550][ T1755] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.186487][ T1755] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.192576][ T1755] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.195405][ T1755] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.201288][ T4106] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.269733][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.272206][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.278372][ T4106] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.292227][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 65.295173][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 65.307768][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 65.311389][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 65.314351][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 65.316938][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 65.322611][ T4106] device veth0_vlan entered promiscuous mode [ 65.329162][ T4106] device veth1_vlan entered promiscuous mode [ 65.345432][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 65.348155][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 65.354693][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 65.357421][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 65.363149][ T4106] device veth0_macvtap entered promiscuous mode [ 65.367896][ T4106] device veth1_macvtap entered promiscuous mode [ 65.378495][ T4106] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 65.381954][ T4106] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 65.385796][ T4106] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 65.388255][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 65.400318][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 65.403049][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 65.405732][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 65.410905][ T4106] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 65.413885][ T4106] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 65.417467][ T4106] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 65.419918][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 65.422982][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 65.427995][ T4106] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.430696][ T4106] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.433035][ T4106] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.435439][ T4106] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.498150][ T148] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 65.501181][ T148] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 65.505244][ T604] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 65.515809][ T148] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 65.517965][ T148] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 65.521376][ T604] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 65.667909][ T4157] [ 65.668602][ T4157] ====================================================== [ 65.670624][ T4157] WARNING: possible circular locking dependency detected [ 65.672514][ T4157] 5.15.179-syzkaller #0 Not tainted [ 65.673952][ T4157] ------------------------------------------------------ [ 65.675854][ T4157] syz.0.16/4157 is trying to acquire lock: [ 65.677374][ T4157] ffff0000d5cf4c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xd0/0x1c0 [ 65.680453][ T4157] [ 65.680453][ T4157] but task is already holding lock: [ 65.682380][ T4157] ffff800016f3ae48 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 65.685070][ T4157] [ 65.685070][ T4157] which lock already depends on the new lock. [ 65.685070][ T4157] [ 65.687952][ T4157] [ 65.687952][ T4157] the existing dependency chain (in reverse order) is: [ 65.692249][ T4157] [ 65.692249][ T4157] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 65.694399][ T4157] __mutex_lock_common+0x194/0x2154 [ 65.696003][ T4157] mutex_lock_nested+0xa4/0xf8 [ 65.697476][ T4157] rfkill_register+0x44/0x7a4 [ 65.698884][ T4157] hci_register_dev+0x3e0/0x880 [ 65.700403][ T4157] vhci_create_device+0x2c4/0x568 [ 65.701916][ T4157] vhci_write+0x318/0x3b8 [ 65.703221][ T4157] vfs_write+0x884/0xb44 [ 65.704496][ T4157] ksys_write+0x15c/0x26c [ 65.705791][ T4157] __arm64_sys_write+0x7c/0x90 [ 65.707200][ T4157] invoke_syscall+0x98/0x2b8 [ 65.708615][ T4157] el0_svc_common+0x138/0x258 [ 65.710057][ T4157] do_el0_svc+0x58/0x14c [ 65.711292][ T4157] el0_svc+0x7c/0x1f0 [ 65.712517][ T4157] el0t_64_sync_handler+0x84/0xe4 [ 65.714089][ T4157] el0t_64_sync+0x1a0/0x1a4 [ 65.715461][ T4157] [ 65.715461][ T4157] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 65.717514][ T4157] __mutex_lock_common+0x194/0x2154 [ 65.719015][ T4157] mutex_lock_nested+0xa4/0xf8 [ 65.720433][ T4157] vhci_send_frame+0x8c/0x10c [ 65.721867][ T4157] hci_send_frame+0x194/0x2f0 [ 65.723360][ T4157] hci_tx_work+0x9ac/0x16cc [ 65.724746][ T4157] process_one_work+0x790/0x11b8 [ 65.726205][ T4157] worker_thread+0x910/0x1034 [ 65.727598][ T4157] kthread+0x37c/0x45c [ 65.728886][ T4157] ret_from_fork+0x10/0x20 [ 65.730184][ T4157] [ 65.730184][ T4157] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 65.732583][ T4157] __flush_work+0xf8/0x1c0 [ 65.733941][ T4157] flush_work+0x24/0x38 [ 65.735129][ T4157] hci_dev_do_close+0x16c/0x1060 [ 65.736602][ T4157] hci_unregister_dev+0x248/0x4d4 [ 65.738066][ T4157] vhci_release+0x74/0xc4 [ 65.739344][ T4157] __fput+0x1c4/0x800 [ 65.740668][ T4157] ____fput+0x20/0x30 [ 65.741896][ T4157] task_work_run+0x130/0x1e4 [ 65.743334][ T4157] do_exit+0x670/0x20bc [ 65.744597][ T4157] do_group_exit+0x110/0x268 [ 65.745984][ T4157] get_signal+0x634/0x1550 [ 65.747335][ T4157] do_notify_resume+0x3d0/0x32b8 [ 65.748815][ T4157] el0_svc+0xfc/0x1f0 [ 65.750161][ T4157] el0t_64_sync_handler+0x84/0xe4 [ 65.751854][ T4157] el0t_64_sync+0x1a0/0x1a4 [ 65.753214][ T4157] [ 65.753214][ T4157] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 65.755384][ T4157] __mutex_lock_common+0x194/0x2154 [ 65.756993][ T4157] mutex_lock_nested+0xa4/0xf8 [ 65.758451][ T4157] bg_scan_update+0x9c/0x470 [ 65.759976][ T4157] process_one_work+0x790/0x11b8 [ 65.761428][ T4157] worker_thread+0x910/0x1034 [ 65.762832][ T4157] kthread+0x37c/0x45c [ 65.764080][ T4157] ret_from_fork+0x10/0x20 [ 65.765399][ T4157] [ 65.765399][ T4157] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 65.768277][ T4157] __lock_acquire+0x32d4/0x7638 [ 65.769710][ T4157] lock_acquire+0x240/0x77c [ 65.771058][ T4157] __flush_work+0xf8/0x1c0 [ 65.772438][ T4157] __cancel_work_timer+0x3ec/0x548 [ 65.774047][ T4157] cancel_work_sync+0x24/0x38 [ 65.775469][ T4157] hci_request_cancel_all+0xcc/0x2d0 [ 65.777061][ T4157] hci_dev_do_close+0x54/0x1060 [ 65.778493][ T4157] hci_rfkill_set_block+0xdc/0x1d0 [ 65.780029][ T4157] rfkill_set_block+0x18c/0x37c [ 65.781508][ T4157] rfkill_fop_write+0x594/0x750 [ 65.783021][ T4157] vfs_write+0x280/0xb44 [ 65.784293][ T4157] ksys_write+0x15c/0x26c [ 65.785646][ T4157] __arm64_sys_write+0x7c/0x90 [ 65.787076][ T4157] invoke_syscall+0x98/0x2b8 [ 65.788573][ T4157] el0_svc_common+0x138/0x258 [ 65.789929][ T4157] do_el0_svc+0x58/0x14c [ 65.791216][ T4157] el0_svc+0x7c/0x1f0 [ 65.792454][ T4157] el0t_64_sync_handler+0x84/0xe4 [ 65.793958][ T4157] el0t_64_sync+0x1a0/0x1a4 [ 65.795410][ T4157] [ 65.795410][ T4157] other info that might help us debug this: [ 65.795410][ T4157] [ 65.798306][ T4157] Chain exists of: [ 65.798306][ T4157] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 65.798306][ T4157] [ 65.802632][ T4157] Possible unsafe locking scenario: [ 65.802632][ T4157] [ 65.804665][ T4157] CPU0 CPU1 [ 65.806168][ T4157] ---- ---- [ 65.807611][ T4157] lock(rfkill_global_mutex); [ 65.808952][ T4157] lock(&data->open_mutex); [ 65.810855][ T4157] lock(rfkill_global_mutex); [ 65.812913][ T4157] lock((work_completion)(&hdev->bg_scan_update)); [ 65.814764][ T4157] [ 65.814764][ T4157] *** DEADLOCK *** [ 65.814764][ T4157] [ 65.816985][ T4157] 1 lock held by syz.0.16/4157: [ 65.818310][ T4157] #0: ffff800016f3ae48 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 65.821062][ T4157] [ 65.821062][ T4157] stack backtrace: [ 65.822638][ T4157] CPU: 1 PID: 4157 Comm: syz.0.16 Not tainted 5.15.179-syzkaller #0 [ 65.824815][ T4157] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 65.827597][ T4157] Call trace: [ 65.828431][ T4157] dump_backtrace+0x0/0x530 [ 65.829652][ T4157] show_stack+0x2c/0x3c [ 65.830808][ T4157] dump_stack_lvl+0x108/0x170 [ 65.832028][ T4157] dump_stack+0x1c/0x58 [ 65.833145][ T4157] print_circular_bug+0x150/0x1b8 [ 65.834498][ T4157] check_noncircular+0x2cc/0x378 [ 65.835860][ T4157] __lock_acquire+0x32d4/0x7638 [ 65.837208][ T4157] lock_acquire+0x240/0x77c [ 65.838500][ T4157] __flush_work+0xf8/0x1c0 [ 65.839688][ T4157] __cancel_work_timer+0x3ec/0x548 [ 65.841088][ T4157] cancel_work_sync+0x24/0x38 [ 65.842339][ T4157] hci_request_cancel_all+0xcc/0x2d0 [ 65.843840][ T4157] hci_dev_do_close+0x54/0x1060 [ 65.845181][ T4157] hci_rfkill_set_block+0xdc/0x1d0 [ 65.846595][ T4157] rfkill_set_block+0x18c/0x37c [ 65.847898][ T4157] rfkill_fop_write+0x594/0x750 [ 65.849233][ T4157] vfs_write+0x280/0xb44 [ 65.850390][ T4157] ksys_write+0x15c/0x26c [ 65.851593][ T4157] __arm64_sys_write+0x7c/0x90 [ 65.852864][ T4157] invoke_syscall+0x98/0x2b8 [ 65.855850][ T4157] el0_svc_common+0x138/0x258 [ 65.857127][ T4157] do_el0_svc+0x58/0x14c [ 65.858285][ T4157] el0_svc+0x7c/0x1f0 [ 65.859327][ T4157] el0t_64_sync_handler+0x84/0xe4 [ 65.860678][ T4157] el0t_64_sync+0x1a0/0x1a4