Warning: Permanently added '10.128.1.61' (ED25519) to the list of known hosts. 1970/01/01 00:00:42 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:00:43 parsed 1 programs [ 46.012355][ T4029] cgroup: Unknown subsys name 'net' [ 46.311375][ T4029] cgroup: Unknown subsys name 'rlimit' [ 46.654196][ T4029] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 55.774598][ T153] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 55.777392][ T153] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 55.787175][ T1638] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 55.800807][ T153] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 55.803029][ T153] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 55.806107][ T1638] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 56.209134][ T4070] chnl_net:caif_netlink_parms(): no params data found [ 56.256170][ T4070] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.258303][ T4070] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.261063][ T4070] device bridge_slave_0 entered promiscuous mode [ 56.266328][ T4070] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.268484][ T4070] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.271212][ T4070] device bridge_slave_1 entered promiscuous mode [ 56.287508][ T4070] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.292051][ T4070] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.309555][ T4070] team0: Port device team_slave_0 added [ 56.367682][ T4070] team0: Port device team_slave_1 added [ 56.383193][ T4070] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 56.385222][ T4070] 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. [ 56.392357][ T4070] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 56.398810][ T4070] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 56.400795][ T4070] 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. [ 56.408466][ T4070] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 56.468199][ T4070] device hsr_slave_0 entered promiscuous mode [ 56.505457][ T4070] device hsr_slave_1 entered promiscuous mode [ 56.652222][ T4070] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 56.688364][ T4070] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 56.728701][ T4070] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 56.778956][ T4070] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 56.835715][ T4070] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.837838][ T4070] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.840671][ T4070] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.842722][ T4070] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.850502][ T1638] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.854522][ T1638] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.904076][ T4070] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.914259][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.918935][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.924791][ T4070] 8021q: adding VLAN 0 to HW filter on device team0 [ 56.932395][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 56.937323][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.940713][ T153] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.942682][ T153] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.960791][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 56.964333][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.968764][ T153] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.970747][ T153] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.973214][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 56.978485][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 56.994395][ T4070] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 57.002171][ T4070] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 57.009260][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 57.012900][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 57.017401][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 57.021300][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 57.025489][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 57.028355][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 57.031824][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 57.034646][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 57.043979][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 57.046905][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 57.132190][ T4070] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 57.134491][ T1638] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 57.136909][ T1638] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 57.153297][ T1638] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 57.156348][ T1638] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 57.169776][ T1638] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 57.172515][ T1638] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 57.176333][ T1638] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 57.179067][ T1638] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 57.183994][ T4070] device veth0_vlan entered promiscuous mode [ 57.194167][ T4070] device veth1_vlan entered promiscuous mode [ 57.213003][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 57.216055][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 57.218747][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 57.221968][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 57.227232][ T4070] device veth0_macvtap entered promiscuous mode [ 57.232351][ T4070] device veth1_macvtap entered promiscuous mode [ 57.244844][ T4070] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 57.248686][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 57.251661][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 57.254318][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 57.260191][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 57.268197][ T4070] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 57.272799][ T4070] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.278565][ T4070] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.281080][ T4070] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.283394][ T4070] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.290911][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 57.293882][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 1970/01/01 00:00:58 executed programs: 0 [ 58.962398][ T4121] chnl_net:caif_netlink_parms(): no params data found [ 58.999495][ T4121] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.001501][ T4121] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.004327][ T4121] device bridge_slave_0 entered promiscuous mode [ 59.009662][ T4121] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.011733][ T4121] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.014411][ T4121] device bridge_slave_1 entered promiscuous mode [ 59.032781][ T4121] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.037746][ T4121] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.053589][ T4121] team0: Port device team_slave_0 added [ 59.057254][ T4121] team0: Port device team_slave_1 added [ 59.073307][ T4121] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 59.075642][ 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. [ 59.082823][ T4121] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 59.107940][ T4121] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 59.109979][ 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. [ 59.117824][ T4121] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 59.177595][ T4121] device hsr_slave_0 entered promiscuous mode [ 59.236029][ T4121] device hsr_slave_1 entered promiscuous mode [ 59.275195][ T4121] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 59.277576][ T4121] Cannot create hsr debugfs directory [ 59.334222][ T4121] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 60.925773][ T7] Bluetooth: hci0: command 0x0409 tx timeout [ 62.263105][ T4121] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 62.311420][ T4121] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 62.375072][ T4121] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 62.562609][ T4121] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 62.597773][ T4121] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 62.618502][ T4121] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 62.677680][ T4121] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 62.767487][ T4121] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.778196][ T4121] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.780457][ T1638] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.783149][ T1638] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.789987][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.792987][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.796710][ T148] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.798732][ T148] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.802665][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.807910][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.810911][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.813697][ T148] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.815708][ T148] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.820964][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.827250][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.832502][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.840347][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.843216][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.849629][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.852545][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.898331][ T1638] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.901166][ T1638] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.906516][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.909373][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.914800][ T4121] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.996001][ T1638] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.998157][ T1638] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.005576][ T4086] Bluetooth: hci0: command 0x041b tx timeout [ 63.008109][ T4121] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.020061][ T1638] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 63.022800][ T1638] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 63.039691][ T1638] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 63.042421][ T1638] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 63.047302][ T1638] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 63.049960][ T1638] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 63.054249][ T4121] device veth0_vlan entered promiscuous mode [ 63.062002][ T4121] device veth1_vlan entered promiscuous mode [ 63.076634][ T1638] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 63.079456][ T1638] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 63.082045][ T1638] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 63.084833][ T1638] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 63.092032][ T4121] device veth0_macvtap entered promiscuous mode [ 63.099283][ T4121] device veth1_macvtap entered promiscuous mode [ 63.111591][ T4121] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 63.114606][ T4121] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 63.118741][ T4121] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 63.120953][ T1638] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 63.123887][ T1638] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 63.127993][ T1638] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 63.130902][ T1638] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 63.137086][ T4121] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 63.139961][ T4121] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 63.143628][ T4121] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 63.148531][ T4121] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.151015][ T4121] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.153490][ T4121] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.156473][ T4121] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.160221][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 63.163636][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 63.243095][ T391] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 63.245500][ T391] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 63.259245][ T391] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 63.264168][ T391] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 63.267958][ T391] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 63.271138][ T391] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 63.303908][ T4145] [ 63.304587][ T4145] ====================================================== [ 63.306563][ T4145] WARNING: possible circular locking dependency detected [ 63.308471][ T4145] 5.15.185-syzkaller #0 Not tainted [ 63.309947][ T4145] ------------------------------------------------------ [ 63.311816][ T4145] syz.0.16/4145 is trying to acquire lock: [ 63.313426][ T4145] ffff0000d2b74c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xcc/0x1bc [ 63.316468][ T4145] [ 63.316468][ T4145] but task is already holding lock: [ 63.318421][ T4145] ffff800016507d48 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x238/0x5cc [ 63.321063][ T4145] [ 63.321063][ T4145] which lock already depends on the new lock. [ 63.321063][ T4145] [ 63.323851][ T4145] [ 63.323851][ T4145] the existing dependency chain (in reverse order) is: [ 63.326233][ T4145] [ 63.326233][ T4145] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 63.328547][ T4145] __mutex_lock_common+0x194/0x1edc [ 63.330096][ T4145] mutex_lock_nested+0xac/0x11c [ 63.331497][ T4145] rfkill_register+0x44/0x77c [ 63.332962][ T4145] hci_register_dev+0x3d8/0x854 [ 63.334465][ T4145] vhci_create_device+0x2bc/0x564 [ 63.335994][ T4145] vhci_write+0x30c/0x3ac [ 63.337300][ T4145] vfs_write+0x7c8/0xa2c [ 63.338615][ T4145] ksys_write+0x120/0x210 [ 63.339949][ T4145] __arm64_sys_write+0x7c/0x90 [ 63.341368][ T4145] invoke_syscall+0x98/0x2b8 [ 63.342731][ T4145] el0_svc_common+0x138/0x258 [ 63.344129][ T4145] do_el0_svc+0x58/0x14c [ 63.345428][ T4145] el0_svc+0x78/0x1e0 [ 63.346706][ T4145] el0t_64_sync_handler+0xcc/0xe4 [ 63.348201][ T4145] el0t_64_sync+0x1a0/0x1a4 [ 63.349666][ T4145] [ 63.349666][ T4145] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 63.351822][ T4145] __mutex_lock_common+0x194/0x1edc [ 63.353421][ T4145] mutex_lock_nested+0xac/0x11c [ 63.354893][ T4145] vhci_send_frame+0x88/0x118 [ 63.356304][ T4145] hci_send_frame+0x194/0x2f0 [ 63.357699][ T4145] hci_tx_work+0x7e4/0x1394 [ 63.359051][ T4145] process_one_work+0x79c/0x1140 [ 63.360551][ T4145] worker_thread+0x8f4/0x101c [ 63.362168][ T4145] kthread+0x374/0x454 [ 63.363448][ T4145] ret_from_fork+0x10/0x20 [ 63.364843][ T4145] [ 63.364843][ T4145] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 63.367411][ T4145] __flush_work+0xf4/0x1bc [ 63.368902][ T4145] flush_work+0x24/0x38 [ 63.370243][ T4145] hci_dev_do_close+0x164/0x105c [ 63.371680][ T4145] hci_unregister_dev+0x23c/0x4c0 [ 63.373200][ T4145] vhci_release+0x74/0xc4 [ 63.374528][ T4145] __fput+0x1c0/0x7f8 [ 63.375704][ T4145] ____fput+0x20/0x30 [ 63.376897][ T4145] task_work_run+0x12c/0x1e0 [ 63.378385][ T4145] do_exit+0x67c/0x1f58 [ 63.379611][ T4145] do_group_exit+0x100/0x268 [ 63.380996][ T4145] get_signal+0x73c/0x1340 [ 63.382347][ T4145] do_notify_resume+0x35c/0x3128 [ 63.383816][ T4145] el0_svc+0xf0/0x1e0 [ 63.385073][ T4145] el0t_64_sync_handler+0xcc/0xe4 [ 63.386520][ T4145] el0t_64_sync+0x1a0/0x1a4 [ 63.388016][ T4145] [ 63.388016][ T4145] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 63.390166][ T4145] __mutex_lock_common+0x194/0x1edc [ 63.391847][ T4145] mutex_lock_nested+0xac/0x11c [ 63.393336][ T4145] bg_scan_update+0x48/0x3d0 [ 63.394779][ T4145] process_one_work+0x79c/0x1140 [ 63.396309][ T4145] worker_thread+0x8f4/0x101c [ 63.397779][ T4145] kthread+0x374/0x454 [ 63.399088][ T4145] ret_from_fork+0x10/0x20 [ 63.400413][ T4145] [ 63.400413][ T4145] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 63.403162][ T4145] __lock_acquire+0x2928/0x651c [ 63.404631][ T4145] lock_acquire+0x1f4/0x620 [ 63.406003][ T4145] __flush_work+0xf4/0x1bc [ 63.407320][ T4145] __cancel_work_timer+0x2ec/0x448 [ 63.408821][ T4145] cancel_work_sync+0x24/0x38 [ 63.410281][ T4145] hci_request_cancel_all+0xbc/0x2d0 [ 63.411865][ T4145] hci_dev_do_close+0x54/0x105c [ 63.413315][ T4145] hci_rfkill_set_block+0xdc/0x1d0 [ 63.414884][ T4145] rfkill_set_block+0x18c/0x374 [ 63.416289][ T4145] rfkill_fop_write+0x4a4/0x5cc [ 63.417759][ T4145] vfs_write+0x280/0xa2c [ 63.419078][ T4145] ksys_write+0x120/0x210 [ 63.420427][ T4145] __arm64_sys_write+0x7c/0x90 [ 63.421911][ T4145] invoke_syscall+0x98/0x2b8 [ 63.423308][ T4145] el0_svc_common+0x138/0x258 [ 63.424691][ T4145] do_el0_svc+0x58/0x14c [ 63.426023][ T4145] el0_svc+0x78/0x1e0 [ 63.427313][ T4145] el0t_64_sync_handler+0xcc/0xe4 [ 63.428942][ T4145] el0t_64_sync+0x1a0/0x1a4 [ 63.430226][ T4145] [ 63.430226][ T4145] other info that might help us debug this: [ 63.430226][ T4145] [ 63.433064][ T4145] Chain exists of: [ 63.433064][ T4145] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 63.433064][ T4145] [ 63.437658][ T4145] Possible unsafe locking scenario: [ 63.437658][ T4145] [ 63.439856][ T4145] CPU0 CPU1 [ 63.441437][ T4145] ---- ---- [ 63.442909][ T4145] lock(rfkill_global_mutex); [ 63.444273][ T4145] lock(&data->open_mutex); [ 63.446224][ T4145] lock(rfkill_global_mutex); [ 63.448240][ T4145] lock((work_completion)(&hdev->bg_scan_update)); [ 63.450089][ T4145] [ 63.450089][ T4145] *** DEADLOCK *** [ 63.450089][ T4145] [ 63.452311][ T4145] 1 lock held by syz.0.16/4145: [ 63.453662][ T4145] #0: ffff800016507d48 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x238/0x5cc [ 63.456567][ T4145] [ 63.456567][ T4145] stack backtrace: [ 63.458169][ T4145] CPU: 1 PID: 4145 Comm: syz.0.16 Not tainted 5.15.185-syzkaller #0 [ 63.460356][ T4145] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 63.463080][ T4145] Call trace: [ 63.464011][ T4145] dump_backtrace+0x0/0x43c [ 63.465251][ T4145] show_stack+0x2c/0x3c [ 63.466356][ T4145] __dump_stack+0x30/0x40 [ 63.467567][ T4145] dump_stack_lvl+0xf8/0x160 [ 63.468825][ T4145] dump_stack+0x1c/0x5c [ 63.469999][ T4145] print_circular_bug+0x148/0x1b0 [ 63.471473][ T4145] check_noncircular+0x240/0x2d4 [ 63.472847][ T4145] __lock_acquire+0x2928/0x651c [ 63.474217][ T4145] lock_acquire+0x1f4/0x620 [ 63.475487][ T4145] __flush_work+0xf4/0x1bc [ 63.476694][ T4145] __cancel_work_timer+0x2ec/0x448 [ 63.478137][ T4145] cancel_work_sync+0x24/0x38 [ 63.479427][ T4145] hci_request_cancel_all+0xbc/0x2d0 [ 63.480887][ T4145] hci_dev_do_close+0x54/0x105c [ 63.482252][ T4145] hci_rfkill_set_block+0xdc/0x1d0 [ 63.483683][ T4145] rfkill_set_block+0x18c/0x374 [ 63.485085][ T4145] rfkill_fop_write+0x4a4/0x5cc [ 63.486363][ T4145] vfs_write+0x280/0xa2c [ 63.487534][ T4145] ksys_write+0x120/0x210 [ 63.488791][ T4145] __arm64_sys_write+0x7c/0x90 [ 63.490121][ T4145] invoke_syscall+0x98/0x2b8 [ 63.491445][ T4145] el0_svc_common+0x138/0x258 [ 63.492740][ T4145] do_el0_svc+0x58/0x14c [ 63.493906][ T4145] el0_svc+0x78/0x1e0 [ 63.495001][ T4145] el0t_64_sync_handler+0xcc/0xe4 [ 63.496450][ T4145] el0t_64_sync+0x1a0/0x1a4