Warning: Permanently added '10.128.1.143' (ED25519) to the list of known hosts. 1970/01/01 00:00:43 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:00:44 parsed 1 programs [ 47.082747][ T4024] cgroup: Unknown subsys name 'net' [ 47.354538][ T4024] cgroup: Unknown subsys name 'rlimit' [ 47.707564][ T4024] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 50.567033][ T608] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 50.568704][ T608] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 50.577933][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 50.591456][ T608] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 50.592988][ T608] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 50.596143][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 50.866346][ T4083] chnl_net:caif_netlink_parms(): no params data found [ 50.906567][ T4083] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.908752][ T4083] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.911077][ T4083] device bridge_slave_0 entered promiscuous mode [ 50.915392][ T4083] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.916871][ T4083] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.919450][ T4083] device bridge_slave_1 entered promiscuous mode [ 50.937048][ T4083] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 50.941242][ T4083] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 50.956954][ T4083] team0: Port device team_slave_0 added [ 50.960363][ T4083] team0: Port device team_slave_1 added [ 50.974220][ T4083] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 50.975517][ T4083] 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. [ 50.981545][ T4083] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 50.985870][ T4083] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 50.987437][ T4083] 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. [ 50.994542][ T4083] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 51.050790][ T4083] device hsr_slave_0 entered promiscuous mode [ 51.088757][ T4083] device hsr_slave_1 entered promiscuous mode [ 51.248142][ T4083] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 51.301846][ T4083] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 51.342823][ T4083] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 51.382241][ T4083] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 51.496756][ T4083] 8021q: adding VLAN 0 to HW filter on device bond0 [ 51.505973][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 51.509521][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 51.514725][ T4083] 8021q: adding VLAN 0 to HW filter on device team0 [ 51.521339][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 51.523699][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 51.526266][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.528000][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.550520][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 51.552942][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 51.556553][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 51.561002][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.562570][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.564506][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 51.567140][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 51.569872][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 51.572800][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 51.575069][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 51.577477][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 51.580063][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 51.582267][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 51.584526][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 51.591847][ T608] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 51.594029][ T608] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 51.598036][ T4083] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 51.627982][ T148] ODEBUG: Out of memory. ODEBUG disabled [ 51.670327][ T608] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 51.671867][ T608] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 51.677400][ T4083] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 51.691130][ T608] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 51.693268][ T608] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 51.706495][ T510] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 51.709109][ T510] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 51.711504][ T510] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 51.713481][ T510] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 51.716871][ T4083] device veth0_vlan entered promiscuous mode [ 51.723832][ T4083] device veth1_vlan entered promiscuous mode [ 51.735617][ T510] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 51.737791][ T510] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 51.743121][ T510] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 51.745315][ T510] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 51.753677][ T4083] device veth0_macvtap entered promiscuous mode [ 51.760695][ T4083] device veth1_macvtap entered promiscuous mode [ 51.773973][ T4083] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 51.775550][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 51.777807][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 51.782592][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 51.786687][ T4083] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 51.790361][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 51.793050][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 51.796721][ T4083] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.799228][ T4083] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.800896][ T4083] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.802594][ T4083] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:51 executed programs: 0 [ 52.077720][ T4121] chnl_net:caif_netlink_parms(): no params data found [ 52.112511][ T4121] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.114096][ T4121] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.116242][ T4121] device bridge_slave_0 entered promiscuous mode [ 52.119534][ T4121] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.121022][ T4121] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.123470][ T4121] device bridge_slave_1 entered promiscuous mode [ 52.137295][ T4121] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 52.142314][ T4121] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 52.156238][ T4121] team0: Port device team_slave_0 added [ 52.159636][ T4121] team0: Port device team_slave_1 added [ 52.172321][ T4121] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 52.173802][ T4121] 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. [ 52.179086][ T4121] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 52.182404][ T4121] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 52.183868][ T4121] 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. [ 52.189844][ T4121] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 52.260084][ T4121] device hsr_slave_0 entered promiscuous mode [ 52.298639][ T4121] device hsr_slave_1 entered promiscuous mode [ 52.348456][ T4121] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 52.350173][ T4121] Cannot create hsr debugfs directory [ 52.403496][ T4121] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 54.038824][ T4106] Bluetooth: hci0: command 0x0409 tx timeout [ 54.834673][ T4121] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 56.119041][ T4107] Bluetooth: hci0: command 0x041b tx timeout [ 57.203075][ T4121] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 57.326302][ T4121] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 57.577226][ T4121] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 57.630031][ T4121] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 57.663652][ T4121] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 57.703041][ T4121] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 57.802364][ T4121] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.810203][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.812173][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.817309][ T4121] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.824848][ T510] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 57.827006][ T510] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.830827][ T510] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.832215][ T510] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.841490][ T510] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.843608][ T510] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 57.845783][ T510] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.847756][ T510] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.849359][ T510] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.858410][ T510] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 57.862551][ T510] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 57.864826][ T510] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 57.867665][ T510] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 57.870782][ T510] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 57.884928][ T510] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 57.887295][ T510] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 57.890382][ T510] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 57.892536][ T510] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 57.894643][ T510] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 57.896847][ T510] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 57.903025][ T4121] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 57.978921][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 57.980701][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 57.986586][ T4121] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.001194][ T510] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 58.003387][ T510] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 58.017359][ T510] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 58.020181][ T510] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 58.023598][ T510] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 58.025507][ T510] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 58.032127][ T4121] device veth0_vlan entered promiscuous mode [ 58.038817][ T4121] device veth1_vlan entered promiscuous mode [ 58.052203][ T510] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 58.054244][ T510] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 58.056235][ T510] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 58.059018][ T510] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 58.062776][ T4121] device veth0_macvtap entered promiscuous mode [ 58.066348][ T4121] device veth1_macvtap entered promiscuous mode [ 58.077240][ T4121] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 58.080367][ T4121] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 58.083411][ T4121] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 58.085050][ T510] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 58.087094][ T510] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 58.090644][ T510] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 58.092705][ T510] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 58.096172][ T4121] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 58.101124][ T4121] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 58.104633][ T4121] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 58.106168][ T608] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 58.109219][ T608] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 58.113965][ T4121] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.115882][ T4121] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.117801][ T4121] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.122255][ T4121] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.181330][ T608] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 58.183228][ T608] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 58.185547][ T510] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 58.207541][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 58.209625][ T4113] Bluetooth: hci0: command 0x040f tx timeout [ 58.213189][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 58.215521][ T510] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 58.318930][ T4133] [ 58.319465][ T4133] ====================================================== [ 58.320834][ T4133] WARNING: possible circular locking dependency detected [ 58.322292][ T4133] 5.15.173-syzkaller #0 Not tainted [ 58.323353][ T4133] ------------------------------------------------------ [ 58.324701][ T4133] syz.0.15/4133 is trying to acquire lock: [ 58.325935][ T4133] ffff0000db3f0c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xd0/0x1c0 [ 58.328308][ T4133] [ 58.328308][ T4133] but task is already holding lock: [ 58.329809][ T4133] ffff800016f25fe8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 58.331920][ T4133] [ 58.331920][ T4133] which lock already depends on the new lock. [ 58.331920][ T4133] [ 58.333970][ T4133] [ 58.333970][ T4133] the existing dependency chain (in reverse order) is: [ 58.336062][ T4133] [ 58.336062][ T4133] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 58.337874][ T4133] __mutex_lock_common+0x194/0x2154 [ 58.339070][ T4133] mutex_lock_nested+0xa4/0xf8 [ 58.340167][ T4133] rfkill_register+0x44/0x7a4 [ 58.341158][ T4133] hci_register_dev+0x3e0/0x880 [ 58.342195][ T4133] vhci_create_device+0x2c4/0x568 [ 58.343297][ T4133] vhci_write+0x318/0x3b8 [ 58.344340][ T4133] vfs_write+0x884/0xb44 [ 58.345272][ T4133] ksys_write+0x15c/0x26c [ 58.346230][ T4133] __arm64_sys_write+0x7c/0x90 [ 58.347316][ T4133] invoke_syscall+0x98/0x2b8 [ 58.348512][ T4133] el0_svc_common+0x138/0x258 [ 58.349725][ T4133] do_el0_svc+0x58/0x14c [ 58.350779][ T4133] el0_svc+0x7c/0x1f0 [ 58.351664][ T4133] el0t_64_sync_handler+0x84/0xe4 [ 58.352752][ T4133] el0t_64_sync+0x1a0/0x1a4 [ 58.353815][ T4133] [ 58.353815][ T4133] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 58.355553][ T4133] __mutex_lock_common+0x194/0x2154 [ 58.356695][ T4133] mutex_lock_nested+0xa4/0xf8 [ 58.357844][ T4133] vhci_send_frame+0x8c/0x10c [ 58.359060][ T4133] hci_send_frame+0x194/0x2f0 [ 58.360200][ T4133] hci_tx_work+0x9ac/0x16cc [ 58.361239][ T4133] process_one_work+0x790/0x11b8 [ 58.362399][ T4133] worker_thread+0x910/0x1034 [ 58.363378][ T4133] kthread+0x37c/0x45c [ 58.364210][ T4133] ret_from_fork+0x10/0x20 [ 58.365190][ T4133] [ 58.365190][ T4133] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 58.366995][ T4133] __flush_work+0xf8/0x1c0 [ 58.368021][ T4133] flush_work+0x24/0x38 [ 58.368974][ T4133] hci_dev_do_close+0x16c/0x1060 [ 58.370100][ T4133] hci_unregister_dev+0x248/0x4d4 [ 58.371302][ T4133] vhci_release+0x74/0xc4 [ 58.372165][ T4133] __fput+0x1c4/0x800 [ 58.373106][ T4133] ____fput+0x20/0x30 [ 58.374138][ T4133] task_work_run+0x130/0x1e4 [ 58.375114][ T4133] do_exit+0x670/0x20bc [ 58.376010][ T4133] do_group_exit+0x110/0x268 [ 58.376987][ T4133] get_signal+0x634/0x1550 [ 58.378052][ T4133] do_notify_resume+0x3d0/0x32b8 [ 58.379192][ T4133] el0_svc+0xfc/0x1f0 [ 58.380118][ T4133] el0t_64_sync_handler+0x84/0xe4 [ 58.381268][ T4133] el0t_64_sync+0x1a0/0x1a4 [ 58.382229][ T4133] [ 58.382229][ T4133] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 58.383971][ T4133] __mutex_lock_common+0x194/0x2154 [ 58.385170][ T4133] mutex_lock_nested+0xa4/0xf8 [ 58.386198][ T4133] bg_scan_update+0x9c/0x470 [ 58.387193][ T4133] process_one_work+0x790/0x11b8 [ 58.388411][ T4133] worker_thread+0x910/0x1034 [ 58.389496][ T4133] kthread+0x37c/0x45c [ 58.390441][ T4133] ret_from_fork+0x10/0x20 [ 58.391463][ T4133] [ 58.391463][ T4133] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 58.393540][ T4133] __lock_acquire+0x32d4/0x7638 [ 58.394686][ T4133] lock_acquire+0x240/0x77c [ 58.395625][ T4133] __flush_work+0xf8/0x1c0 [ 58.396605][ T4133] __cancel_work_timer+0x3ec/0x548 [ 58.397681][ T4133] cancel_work_sync+0x24/0x38 [ 58.398665][ T4133] hci_request_cancel_all+0xcc/0x2d0 [ 58.399824][ T4133] hci_dev_do_close+0x54/0x1060 [ 58.401012][ T4133] hci_rfkill_set_block+0xdc/0x1d0 [ 58.402173][ T4133] rfkill_set_block+0x18c/0x37c [ 58.403359][ T4133] rfkill_fop_write+0x594/0x750 [ 58.404380][ T4133] vfs_write+0x280/0xb44 [ 58.405405][ T4133] ksys_write+0x15c/0x26c [ 58.406380][ T4133] __arm64_sys_write+0x7c/0x90 [ 58.407524][ T4133] invoke_syscall+0x98/0x2b8 [ 58.408660][ T4133] el0_svc_common+0x138/0x258 [ 58.409801][ T4133] do_el0_svc+0x58/0x14c [ 58.410862][ T4133] el0_svc+0x7c/0x1f0 [ 58.411832][ T4133] el0t_64_sync_handler+0x84/0xe4 [ 58.413081][ T4133] el0t_64_sync+0x1a0/0x1a4 [ 58.414017][ T4133] [ 58.414017][ T4133] other info that might help us debug this: [ 58.414017][ T4133] [ 58.416032][ T4133] Chain exists of: [ 58.416032][ T4133] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 58.416032][ T4133] [ 58.419231][ T4133] Possible unsafe locking scenario: [ 58.419231][ T4133] [ 58.420751][ T4133] CPU0 CPU1 [ 58.421889][ T4133] ---- ---- [ 58.422992][ T4133] lock(rfkill_global_mutex); [ 58.423906][ T4133] lock(&data->open_mutex); [ 58.425324][ T4133] lock(rfkill_global_mutex); [ 58.426888][ T4133] lock((work_completion)(&hdev->bg_scan_update)); [ 58.428076][ T4133] [ 58.428076][ T4133] *** DEADLOCK *** [ 58.428076][ T4133] [ 58.429814][ T4133] 1 lock held by syz.0.15/4133: [ 58.430765][ T4133] #0: ffff800016f25fe8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 58.433093][ T4133] [ 58.433093][ T4133] stack backtrace: [ 58.434266][ T4133] CPU: 1 PID: 4133 Comm: syz.0.15 Not tainted 5.15.173-syzkaller #0 [ 58.435823][ T4133] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 58.437823][ T4133] Call trace: [ 58.438513][ T4133] dump_backtrace+0x0/0x530 [ 58.439372][ T4133] show_stack+0x2c/0x3c [ 58.440235][ T4133] dump_stack_lvl+0x108/0x170 [ 58.441171][ T4133] dump_stack+0x1c/0x58 [ 58.442097][ T4133] print_circular_bug+0x150/0x1b8 [ 58.443122][ T4133] check_noncircular+0x2cc/0x378 [ 58.444182][ T4133] __lock_acquire+0x32d4/0x7638 [ 58.445207][ T4133] lock_acquire+0x240/0x77c [ 58.446106][ T4133] __flush_work+0xf8/0x1c0 [ 58.446989][ T4133] __cancel_work_timer+0x3ec/0x548 [ 58.448031][ T4133] cancel_work_sync+0x24/0x38 [ 58.448945][ T4133] hci_request_cancel_all+0xcc/0x2d0 [ 58.450069][ T4133] hci_dev_do_close+0x54/0x1060 [ 58.451071][ T4133] hci_rfkill_set_block+0xdc/0x1d0 [ 58.452271][ T4133] rfkill_set_block+0x18c/0x37c [ 58.453361][ T4133] rfkill_fop_write+0x594/0x750 [ 58.454300][ T4133] vfs_write+0x280/0xb44 [ 58.455245][ T4133] ksys_write+0x15c/0x26c [ 58.456211][ T4133] __arm64_sys_write+0x7c/0x90 [ 58.457157][ T4133] invoke_syscall+0x98/0x2b8 [ 58.458029][ T4133] el0_svc_common+0x138/0x258 [ 58.458935][ T4133] do_el0_svc+0x58/0x14c [ 58.459764][ T4133] el0_svc+0x7c/0x1f0 [ 58.460629][ T4133] el0t_64_sync_handler+0x84/0xe4 [ 58.461683][ T4133] el0t_64_sync+0x1a0/0x1a4