Warning: Permanently added '10.128.1.165' (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 [ 49.808797][ T4027] cgroup: Unknown subsys name 'net' [ 50.017626][ T4027] cgroup: Unknown subsys name 'rlimit' [ 50.366018][ T4027] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 59.013955][ T1788] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 59.016168][ T1788] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 59.018864][ T1788] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 59.032513][ T148] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 59.034563][ T148] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 59.037099][ T1788] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 59.273430][ T4081] chnl_net:caif_netlink_parms(): no params data found [ 59.319489][ T4081] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.324593][ T4081] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.328112][ T4081] device bridge_slave_0 entered promiscuous mode [ 59.333181][ T4081] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.335146][ T4081] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.337663][ T4081] device bridge_slave_1 entered promiscuous mode [ 59.353179][ T4081] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.357600][ T4081] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.373992][ T4081] team0: Port device team_slave_0 added [ 59.377284][ T4081] team0: Port device team_slave_1 added [ 59.390345][ T4081] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 59.392542][ T4081] 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. [ 59.399541][ T4081] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 59.404756][ T4081] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 59.406595][ T4081] 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. [ 59.413791][ T4081] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 59.483828][ T4081] device hsr_slave_0 entered promiscuous mode [ 59.521954][ T4081] device hsr_slave_1 entered promiscuous mode [ 59.651745][ T4081] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 59.705384][ T4081] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 59.744314][ T4081] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 59.814716][ T4081] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 59.908880][ T4081] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.916244][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.919299][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.925689][ T4081] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.932295][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.934964][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.937673][ T148] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.939583][ T148] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.943522][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.946351][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.948924][ T148] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.950693][ T148] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.954819][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.961369][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.966409][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.972986][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.976159][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.978972][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.998934][ T4081] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 60.002371][ T4081] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 60.005935][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.009083][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.013743][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.016251][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.019851][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.022774][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.025377][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.099070][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.101282][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.107855][ T4081] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.121358][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 60.124918][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 60.140473][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 60.143506][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 60.146152][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 60.148652][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 60.153067][ T4081] device veth0_vlan entered promiscuous mode [ 60.159649][ T4081] device veth1_vlan entered promiscuous mode [ 60.175839][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 60.178332][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 60.180846][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 60.190843][ T4081] device veth0_macvtap entered promiscuous mode [ 60.196236][ T4081] device veth1_macvtap entered promiscuous mode [ 60.212799][ T4081] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 60.214816][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 60.217746][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 60.220328][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 60.226560][ T4081] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 60.236063][ T4081] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.241241][ T4081] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.244036][ T4081] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.246280][ T4081] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.249938][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 60.253379][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 1970/01/01 00:01:01 executed programs: 0 [ 61.270230][ T4120] chnl_net:caif_netlink_parms(): no params data found [ 61.303688][ T4120] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.305725][ T4120] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.308229][ T4120] device bridge_slave_0 entered promiscuous mode [ 61.313876][ T4120] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.315707][ T4120] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.318088][ T4120] device bridge_slave_1 entered promiscuous mode [ 61.336857][ T4120] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.341078][ T4120] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.357134][ T4120] team0: Port device team_slave_0 added [ 61.360304][ T4120] team0: Port device team_slave_1 added [ 61.375375][ T4120] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 61.377137][ T4120] 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. [ 61.384266][ T4120] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 61.388364][ T4120] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 61.390234][ T4120] 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. [ 61.397538][ T4120] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 61.453476][ T4120] device hsr_slave_0 entered promiscuous mode [ 61.491881][ T4120] device hsr_slave_1 entered promiscuous mode [ 61.531686][ T4120] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 61.533829][ T4120] Cannot create hsr debugfs directory [ 61.593275][ T4120] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 63.231949][ T4087] Bluetooth: hci0: command 0x0409 tx timeout [ 64.458717][ T4120] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 65.312630][ T4048] Bluetooth: hci0: command 0x041b tx timeout [ 65.538481][ T4120] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 65.599684][ T4120] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 65.824994][ T4120] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 65.865889][ T4120] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 65.915752][ T4120] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 65.957205][ T4120] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 66.099233][ T4120] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.109361][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.115724][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.120894][ T4120] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.137337][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.140144][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.143273][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.145404][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.158994][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.169711][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.185224][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.187725][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.189479][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.205382][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.210722][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.226024][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.229236][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.234309][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.239006][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.242901][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.247948][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.250458][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.255503][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.258206][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.272958][ T4120] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.353018][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.355191][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.363641][ T4120] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.375432][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 66.378119][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 66.391734][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 66.394213][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 66.397321][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 66.399750][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 66.407256][ T4120] device veth0_vlan entered promiscuous mode [ 66.415044][ T4120] device veth1_vlan entered promiscuous mode [ 66.430477][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 66.434026][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 66.436660][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 66.439292][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 66.444680][ T4120] device veth0_macvtap entered promiscuous mode [ 66.449889][ T4120] device veth1_macvtap entered promiscuous mode [ 66.458932][ T4120] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 66.463599][ T4120] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 66.467132][ T4120] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 66.469275][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 66.472094][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 66.474670][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 66.477347][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 66.754266][ T4120] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 66.757122][ T4120] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 66.760562][ T4120] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 66.766323][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 66.769177][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 66.775180][ T4120] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.777465][ T4120] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.779612][ T4120] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.783056][ T4120] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.842500][ T1788] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 66.844751][ T1788] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 66.847539][ T1788] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 66.849849][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 66.854568][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 66.858170][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 66.945813][ T4134] [ 66.946539][ T4134] ====================================================== [ 66.948340][ T4134] WARNING: possible circular locking dependency detected [ 66.950111][ T4134] 5.15.178-syzkaller #0 Not tainted [ 66.951456][ T4134] ------------------------------------------------------ [ 66.953407][ T4134] syz.0.16/4134 is trying to acquire lock: [ 66.954893][ T4134] ffff0000d5b20c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xd0/0x1c0 [ 66.957792][ T4134] [ 66.957792][ T4134] but task is already holding lock: [ 66.959440][ T4134] ffff800016f39608 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 66.961719][ T4134] [ 66.961719][ T4134] which lock already depends on the new lock. [ 66.961719][ T4134] [ 66.964075][ T4134] [ 66.964075][ T4134] the existing dependency chain (in reverse order) is: [ 66.966148][ T4134] [ 66.966148][ T4134] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 66.968258][ T4134] __mutex_lock_common+0x194/0x2154 [ 66.969808][ T4134] mutex_lock_nested+0xa4/0xf8 [ 66.971249][ T4134] rfkill_register+0x44/0x7a4 [ 66.972671][ T4134] hci_register_dev+0x3e0/0x880 [ 66.974104][ T4134] vhci_create_device+0x2c4/0x568 [ 66.975571][ T4134] vhci_write+0x318/0x3b8 [ 66.976836][ T4134] vfs_write+0x884/0xb44 [ 66.978067][ T4134] ksys_write+0x15c/0x26c [ 66.979304][ T4134] __arm64_sys_write+0x7c/0x90 [ 66.980693][ T4134] invoke_syscall+0x98/0x2b8 [ 66.982010][ T4134] el0_svc_common+0x138/0x258 [ 66.983336][ T4134] do_el0_svc+0x58/0x14c [ 66.984617][ T4134] el0_svc+0x7c/0x1f0 [ 66.985843][ T4134] el0t_64_sync_handler+0x84/0xe4 [ 66.987270][ T4134] el0t_64_sync+0x1a0/0x1a4 [ 66.988638][ T4134] [ 66.988638][ T4134] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 66.990719][ T4134] __mutex_lock_common+0x194/0x2154 [ 66.992209][ T4134] mutex_lock_nested+0xa4/0xf8 [ 66.993503][ T4134] vhci_send_frame+0x8c/0x10c [ 66.994913][ T4134] hci_send_frame+0x194/0x2f0 [ 66.996270][ T4134] hci_tx_work+0x9ac/0x16cc [ 66.997556][ T4134] process_one_work+0x790/0x11b8 [ 66.998975][ T4134] worker_thread+0x910/0x1034 [ 67.000340][ T4134] kthread+0x37c/0x45c [ 67.001548][ T4134] ret_from_fork+0x10/0x20 [ 67.002852][ T4134] [ 67.002852][ T4134] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 67.005148][ T4134] __flush_work+0xf8/0x1c0 [ 67.006379][ T4134] flush_work+0x24/0x38 [ 67.007543][ T4134] hci_dev_do_close+0x16c/0x1060 [ 67.009056][ T4134] hci_unregister_dev+0x248/0x4d4 [ 67.010477][ T4134] vhci_release+0x74/0xc4 [ 67.011809][ T4134] __fput+0x1c4/0x800 [ 67.013030][ T4134] ____fput+0x20/0x30 [ 67.014126][ T4134] task_work_run+0x130/0x1e4 [ 67.015482][ T4134] do_exit+0x670/0x20bc [ 67.016818][ T4134] do_group_exit+0x110/0x268 [ 67.018249][ T4134] get_signal+0x634/0x1550 [ 67.019614][ T4134] do_notify_resume+0x3d0/0x32b8 [ 67.020985][ T4134] el0_svc+0xfc/0x1f0 [ 67.022179][ T4134] el0t_64_sync_handler+0x84/0xe4 [ 67.023593][ T4134] el0t_64_sync+0x1a0/0x1a4 [ 67.024843][ T4134] [ 67.024843][ T4134] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 67.026892][ T4134] __mutex_lock_common+0x194/0x2154 [ 67.028324][ T4134] mutex_lock_nested+0xa4/0xf8 [ 67.029749][ T4134] bg_scan_update+0x9c/0x470 [ 67.031095][ T4134] process_one_work+0x790/0x11b8 [ 67.032487][ T4134] worker_thread+0x910/0x1034 [ 67.033780][ T4134] kthread+0x37c/0x45c [ 67.034939][ T4134] ret_from_fork+0x10/0x20 [ 67.036217][ T4134] [ 67.036217][ T4134] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 67.038750][ T4134] __lock_acquire+0x32d4/0x7638 [ 67.040057][ T4134] lock_acquire+0x240/0x77c [ 67.041386][ T4134] __flush_work+0xf8/0x1c0 [ 67.042686][ T4134] __cancel_work_timer+0x3ec/0x548 [ 67.044157][ T4134] cancel_work_sync+0x24/0x38 [ 67.045555][ T4134] hci_request_cancel_all+0xcc/0x2d0 [ 67.047062][ T4134] hci_dev_do_close+0x54/0x1060 [ 67.048438][ T4134] hci_rfkill_set_block+0xdc/0x1d0 [ 67.049854][ T4134] rfkill_set_block+0x18c/0x37c [ 67.051260][ T4134] rfkill_fop_write+0x594/0x750 [ 67.052669][ T4134] do_iter_write+0x33c/0x66c [ 67.054057][ T4134] do_writev+0x220/0x3ec [ 67.055256][ T4134] __arm64_sys_writev+0x80/0x94 [ 67.056746][ T4134] invoke_syscall+0x98/0x2b8 [ 67.058116][ T4134] el0_svc_common+0x138/0x258 [ 67.059460][ T4134] do_el0_svc+0x58/0x14c [ 67.060635][ T4134] el0_svc+0x7c/0x1f0 [ 67.061811][ T4134] el0t_64_sync_handler+0x84/0xe4 [ 67.063206][ T4134] el0t_64_sync+0x1a0/0x1a4 [ 67.064386][ T4134] [ 67.064386][ T4134] other info that might help us debug this: [ 67.064386][ T4134] [ 67.067008][ T4134] Chain exists of: [ 67.067008][ T4134] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 67.067008][ T4134] [ 67.071058][ T4134] Possible unsafe locking scenario: [ 67.071058][ T4134] [ 67.073019][ T4134] CPU0 CPU1 [ 67.074382][ T4134] ---- ---- [ 67.075781][ T4134] lock(rfkill_global_mutex); [ 67.077018][ T4134] lock(&data->open_mutex); [ 67.078717][ T4134] lock(rfkill_global_mutex); [ 67.080712][ T4134] lock((work_completion)(&hdev->bg_scan_update)); [ 67.082412][ T4134] [ 67.082412][ T4134] *** DEADLOCK *** [ 67.082412][ T4134] [ 67.084575][ T4134] 1 lock held by syz.0.16/4134: [ 67.085756][ T4134] #0: ffff800016f39608 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 67.088365][ T4134] [ 67.088365][ T4134] stack backtrace: [ 67.089953][ T4134] CPU: 0 PID: 4134 Comm: syz.0.16 Not tainted 5.15.178-syzkaller #0 [ 67.091811][ T4134] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 67.094416][ T4134] Call trace: [ 67.095257][ T4134] dump_backtrace+0x0/0x530 [ 67.096447][ T4134] show_stack+0x2c/0x3c [ 67.097545][ T4134] dump_stack_lvl+0x108/0x170 [ 67.098735][ T4134] dump_stack+0x1c/0x58 [ 67.099832][ T4134] print_circular_bug+0x150/0x1b8 [ 67.101112][ T4134] check_noncircular+0x2cc/0x378 [ 67.102414][ T4134] __lock_acquire+0x32d4/0x7638 [ 67.103649][ T4134] lock_acquire+0x240/0x77c [ 67.104853][ T4134] __flush_work+0xf8/0x1c0 [ 67.105979][ T4134] __cancel_work_timer+0x3ec/0x548 [ 67.107275][ T4134] cancel_work_sync+0x24/0x38 [ 67.108517][ T4134] hci_request_cancel_all+0xcc/0x2d0 [ 67.109901][ T4134] hci_dev_do_close+0x54/0x1060 [ 67.111131][ T4134] hci_rfkill_set_block+0xdc/0x1d0 [ 67.112488][ T4134] rfkill_set_block+0x18c/0x37c [ 67.113722][ T4134] rfkill_fop_write+0x594/0x750 [ 67.114957][ T4134] do_iter_write+0x33c/0x66c [ 67.116179][ T4134] do_writev+0x220/0x3ec [ 67.117333][ T4134] __arm64_sys_writev+0x80/0x94 [ 67.118598][ T4134] invoke_syscall+0x98/0x2b8 [ 67.119871][ T4134] el0_svc_common+0x138/0x258 [ 67.121091][ T4134] do_el0_svc+0x58/0x14c [ 67.122204][ T4134] el0_svc+0x7c/0x1f0 [ 67.123192][ T4134] el0t_64_sync_handler+0x84/0xe4 [ 67.124491][ T4134] el0t_64_sync+0x1a0/0x1a4