Warning: Permanently added '10.128.10.9' (ED25519) to the list of known hosts. 1970/01/01 00:00:46 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:00:47 parsed 1 programs [ 49.839457][ T4019] cgroup: Unknown subsys name 'net' [ 50.132897][ T4019] cgroup: Unknown subsys name 'rlimit' [ 50.469416][ T4019] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 58.583608][ T148] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 58.585418][ T148] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 58.602492][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 58.609628][ T148] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 58.611280][ T148] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 58.613542][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 59.175865][ T4066] chnl_net:caif_netlink_parms(): no params data found [ 59.215540][ T4066] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.217230][ T4066] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.219345][ T4066] device bridge_slave_0 entered promiscuous mode [ 59.223375][ T4066] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.225102][ T4066] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.227969][ T4066] device bridge_slave_1 entered promiscuous mode [ 59.244987][ T4066] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.249176][ T4066] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.270072][ T4066] team0: Port device team_slave_0 added [ 59.273107][ T4066] team0: Port device team_slave_1 added [ 59.287639][ T4066] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 59.289228][ T4066] 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. [ 59.294644][ T4066] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 59.299259][ T4066] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 59.300715][ T4066] 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. [ 59.306338][ T4066] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 59.349520][ T4066] device hsr_slave_0 entered promiscuous mode [ 59.398672][ T4066] device hsr_slave_1 entered promiscuous mode [ 59.543127][ T4066] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 59.571707][ T4066] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 59.623009][ T4066] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 59.719342][ T4066] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 59.856154][ T4066] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.863482][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.866093][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.871268][ T4066] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.880194][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.882585][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.884998][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.886584][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.890310][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.892552][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.894569][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.896045][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.899728][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.906186][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.913901][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.916367][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.919701][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.921953][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.931550][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.933942][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.939357][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.941875][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.946482][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.949505][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.953858][ T4066] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.028512][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.030223][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.034918][ T4066] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.049023][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 60.051358][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 60.064174][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 60.066355][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 60.069377][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 60.071468][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 60.075168][ T4066] device veth0_vlan entered promiscuous mode [ 60.083070][ T4066] device veth1_vlan entered promiscuous mode [ 60.098183][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 60.100387][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 60.102458][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 60.104666][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 60.109124][ T4066] device veth0_macvtap entered promiscuous mode [ 60.113765][ T4066] device veth1_macvtap entered promiscuous mode [ 60.125548][ T4066] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 60.128475][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 60.130823][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 60.132886][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 60.135021][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 60.144017][ T4066] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 60.145913][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 60.148800][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 60.153182][ T4066] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.154911][ T4066] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.156699][ T4066] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.159770][ T4066] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:01:00 executed programs: 0 [ 60.821122][ T4105] chnl_net:caif_netlink_parms(): no params data found [ 60.857502][ T4105] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.859141][ T4105] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.861245][ T4105] device bridge_slave_0 entered promiscuous mode [ 60.865970][ T4105] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.868164][ T4105] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.870243][ T4105] device bridge_slave_1 entered promiscuous mode [ 60.885926][ T4105] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.889905][ T4105] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.904874][ T4105] team0: Port device team_slave_0 added [ 60.910455][ T4105] team0: Port device team_slave_1 added [ 60.923663][ T4105] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 60.925101][ T4105] 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. [ 60.931532][ T4105] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 60.935086][ T4105] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 60.936559][ T4105] 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. [ 60.942427][ T4105] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 60.999607][ T4105] device hsr_slave_0 entered promiscuous mode [ 61.037282][ T4105] device hsr_slave_1 entered promiscuous mode [ 61.076945][ T4105] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 61.078764][ T4105] Cannot create hsr debugfs directory [ 61.161072][ T4105] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 62.747502][ T7] Bluetooth: hci0: command 0x0409 tx timeout [ 63.953936][ T4105] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 64.826817][ T4036] Bluetooth: hci0: command 0x041b tx timeout [ 66.014492][ T4105] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 66.080580][ T4105] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 66.240932][ T4105] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 66.288929][ T4105] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 66.349967][ T4105] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 66.443378][ T4105] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 66.550786][ T4105] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.560743][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.562805][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.569405][ T4105] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.573888][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.576699][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.579541][ T1604] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.580924][ T1604] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.582822][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.597913][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.600130][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.602214][ T331] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.603723][ T331] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.605565][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.609679][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.612099][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.614621][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.617353][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.619540][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.621950][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.626564][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.629527][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.634756][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.639249][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.643176][ T4105] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.722114][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.723791][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.731104][ T4105] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.744122][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 66.746392][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 66.759498][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 66.761605][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 66.764522][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 66.766640][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 66.772285][ T4105] device veth0_vlan entered promiscuous mode [ 66.779436][ T4105] device veth1_vlan entered promiscuous mode [ 66.794188][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 66.796353][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 66.799180][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 66.801462][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 66.805912][ T4105] device veth0_macvtap entered promiscuous mode [ 66.812787][ T4105] device veth1_macvtap entered promiscuous mode [ 66.821694][ T4105] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 66.823878][ T4105] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 66.827222][ T4105] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 66.830567][ T4105] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 66.832757][ T4105] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 66.835566][ T4105] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 66.837766][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 66.840543][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 66.842613][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 66.844915][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 66.847237][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 66.849350][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 66.872258][ T4105] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.874040][ T4105] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.875803][ T4105] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.879054][ T4105] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.906923][ T1533] Bluetooth: hci0: command 0x040f tx timeout [ 66.942812][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 66.944525][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 66.948470][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 66.963754][ T331] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 66.965406][ T331] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 66.968597][ T294] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 67.090207][ T4122] [ 67.090804][ T4122] ====================================================== [ 67.092148][ T4122] WARNING: possible circular locking dependency detected [ 67.093519][ T4122] 5.15.167-syzkaller #0 Not tainted [ 67.094491][ T4122] ------------------------------------------------------ [ 67.095882][ T4122] syz.0.15/4122 is trying to acquire lock: [ 67.096990][ T4122] ffff0000d2240c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xd0/0x1c0 [ 67.099199][ T4122] [ 67.099199][ T4122] but task is already holding lock: [ 67.100684][ T4122] ffff800016e75ba8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 67.102658][ T4122] [ 67.102658][ T4122] which lock already depends on the new lock. [ 67.102658][ T4122] [ 67.104774][ T4122] [ 67.104774][ T4122] the existing dependency chain (in reverse order) is: [ 67.106507][ T4122] [ 67.106507][ T4122] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 67.108090][ T4122] __mutex_lock_common+0x194/0x2154 [ 67.109285][ T4122] mutex_lock_nested+0xa4/0xf8 [ 67.110377][ T4122] rfkill_register+0x44/0x7a4 [ 67.111490][ T4122] hci_register_dev+0x3e0/0x880 [ 67.112528][ T4122] vhci_create_device+0x2c4/0x568 [ 67.113658][ T4122] vhci_write+0x318/0x3b8 [ 67.114665][ T4122] vfs_write+0x884/0xb44 [ 67.115604][ T4122] ksys_write+0x15c/0x26c [ 67.116573][ T4122] __arm64_sys_write+0x7c/0x90 [ 67.117627][ T4122] invoke_syscall+0x98/0x2b8 [ 67.118616][ T4122] el0_svc_common+0x138/0x258 [ 67.119671][ T4122] do_el0_svc+0x58/0x14c [ 67.120596][ T4122] el0_svc+0x7c/0x1f0 [ 67.121536][ T4122] el0t_64_sync_handler+0x84/0xe4 [ 67.122670][ T4122] el0t_64_sync+0x1a0/0x1a4 [ 67.123678][ T4122] [ 67.123678][ T4122] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 67.125268][ T4122] __mutex_lock_common+0x194/0x2154 [ 67.126408][ T4122] mutex_lock_nested+0xa4/0xf8 [ 67.127653][ T4122] vhci_send_frame+0x8c/0x10c [ 67.128715][ T4122] hci_send_frame+0x194/0x2f0 [ 67.129827][ T4122] hci_tx_work+0x9ac/0x16cc [ 67.130851][ T4122] process_one_work+0x790/0x11b8 [ 67.131975][ T4122] worker_thread+0x910/0x1034 [ 67.133145][ T4122] kthread+0x37c/0x45c [ 67.134249][ T4122] ret_from_fork+0x10/0x20 [ 67.135357][ T4122] [ 67.135357][ T4122] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 67.137443][ T4122] __flush_work+0xf8/0x1c0 [ 67.138594][ T4122] flush_work+0x24/0x38 [ 67.139633][ T4122] hci_dev_do_close+0x16c/0x1060 [ 67.140844][ T4122] hci_unregister_dev+0x248/0x4d4 [ 67.142156][ T4122] vhci_release+0x74/0xc4 [ 67.143161][ T4122] __fput+0x1c4/0x800 [ 67.144258][ T4122] ____fput+0x20/0x30 [ 67.145251][ T4122] task_work_run+0x130/0x1e4 [ 67.146441][ T4122] do_exit+0x670/0x20bc [ 67.147492][ T4122] do_group_exit+0x110/0x268 [ 67.148661][ T4122] get_signal+0x634/0x1550 [ 67.149755][ T4122] do_notify_resume+0x3d0/0x32b8 [ 67.150919][ T4122] el0_svc+0xfc/0x1f0 [ 67.151859][ T4122] el0t_64_sync_handler+0x84/0xe4 [ 67.153040][ T4122] el0t_64_sync+0x1a0/0x1a4 [ 67.154143][ T4122] [ 67.154143][ T4122] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 67.155775][ T4122] __mutex_lock_common+0x194/0x2154 [ 67.157110][ T4122] mutex_lock_nested+0xa4/0xf8 [ 67.158245][ T4122] bg_scan_update+0x9c/0x470 [ 67.159380][ T4122] process_one_work+0x790/0x11b8 [ 67.160549][ T4122] worker_thread+0x910/0x1034 [ 67.161550][ T4122] kthread+0x37c/0x45c [ 67.162486][ T4122] ret_from_fork+0x10/0x20 [ 67.163466][ T4122] [ 67.163466][ T4122] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 67.165477][ T4122] __lock_acquire+0x32d4/0x7638 [ 67.166609][ T4122] lock_acquire+0x240/0x77c [ 67.167717][ T4122] __flush_work+0xf8/0x1c0 [ 67.168777][ T4122] __cancel_work_timer+0x3ec/0x548 [ 67.170008][ T4122] cancel_work_sync+0x24/0x38 [ 67.171110][ T4122] hci_request_cancel_all+0xcc/0x2d0 [ 67.172369][ T4122] hci_dev_do_close+0x54/0x1060 [ 67.173565][ T4122] hci_rfkill_set_block+0xdc/0x1d0 [ 67.174785][ T4122] rfkill_set_block+0x18c/0x37c [ 67.175882][ T4122] rfkill_fop_write+0x594/0x750 [ 67.177211][ T4122] vfs_write+0x280/0xb44 [ 67.178316][ T4122] ksys_write+0x15c/0x26c [ 67.179295][ T4122] __arm64_sys_write+0x7c/0x90 [ 67.180372][ T4122] invoke_syscall+0x98/0x2b8 [ 67.181485][ T4122] el0_svc_common+0x138/0x258 [ 67.182565][ T4122] do_el0_svc+0x58/0x14c [ 67.183699][ T4122] el0_svc+0x7c/0x1f0 [ 67.184780][ T4122] el0t_64_sync_handler+0x84/0xe4 [ 67.185967][ T4122] el0t_64_sync+0x1a0/0x1a4 [ 67.186995][ T4122] [ 67.186995][ T4122] other info that might help us debug this: [ 67.186995][ T4122] [ 67.189181][ T4122] Chain exists of: [ 67.189181][ T4122] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 67.189181][ T4122] [ 67.192329][ T4122] Possible unsafe locking scenario: [ 67.192329][ T4122] [ 67.193915][ T4122] CPU0 CPU1 [ 67.195044][ T4122] ---- ---- [ 67.196147][ T4122] lock(rfkill_global_mutex); [ 67.197122][ T4122] lock(&data->open_mutex); [ 67.198789][ T4122] lock(rfkill_global_mutex); [ 67.200410][ T4122] lock((work_completion)(&hdev->bg_scan_update)); [ 67.201782][ T4122] [ 67.201782][ T4122] *** DEADLOCK *** [ 67.201782][ T4122] [ 67.203626][ T4122] 1 lock held by syz.0.15/4122: [ 67.204698][ T4122] #0: ffff800016e75ba8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 67.206740][ T4122] [ 67.206740][ T4122] stack backtrace: [ 67.208018][ T4122] CPU: 0 PID: 4122 Comm: syz.0.15 Not tainted 5.15.167-syzkaller #0 [ 67.209710][ T4122] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 67.211814][ T4122] Call trace: [ 67.212528][ T4122] dump_backtrace+0x0/0x530 [ 67.213388][ T4122] show_stack+0x2c/0x3c [ 67.214290][ T4122] dump_stack_lvl+0x108/0x170 [ 67.215298][ T4122] dump_stack+0x1c/0x58 [ 67.216371][ T4122] print_circular_bug+0x150/0x1b8 [ 67.217357][ T4122] check_noncircular+0x2cc/0x378 [ 67.218417][ T4122] __lock_acquire+0x32d4/0x7638 [ 67.219387][ T4122] lock_acquire+0x240/0x77c [ 67.220332][ T4122] __flush_work+0xf8/0x1c0 [ 67.221294][ T4122] __cancel_work_timer+0x3ec/0x548 [ 67.222642][ T4122] cancel_work_sync+0x24/0x38 [ 67.223698][ T4122] hci_request_cancel_all+0xcc/0x2d0 [ 67.224859][ T4122] hci_dev_do_close+0x54/0x1060 [ 67.225925][ T4122] hci_rfkill_set_block+0xdc/0x1d0 [ 67.227144][ T4122] rfkill_set_block+0x18c/0x37c [ 67.228169][ T4122] rfkill_fop_write+0x594/0x750 [ 67.229394][ T4122] vfs_write+0x280/0xb44 [ 67.230358][ T4122] ksys_write+0x15c/0x26c [ 67.231266][ T4122] __arm64_sys_write+0x7c/0x90 [ 67.232256][ T4122] invoke_syscall+0x98/0x2b8 [ 67.233232][ T4122] el0_svc_common+0x138/0x258 [ 67.234232][ T4122] do_el0_svc+0x58/0x14c [ 67.235169][ T4122] el0_svc+0x7c/0x1f0 [ 67.236114][ T4122] el0t_64_sync_handler+0x84/0xe4 [ 67.237163][ T4122] el0t_64_sync+0x1a0/0x1a4