Warning: Permanently added '10.128.1.172' (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 [ 50.354050][ T4026] cgroup: Unknown subsys name 'net' [ 50.620367][ T4026] cgroup: Unknown subsys name 'rlimit' [ 51.000307][ T4026] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 58.864915][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 58.867106][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 58.869999][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 58.895642][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 58.897856][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 58.900881][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 59.376663][ T4076] chnl_net:caif_netlink_parms(): no params data found [ 59.421226][ T4076] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.423214][ T4076] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.425986][ T4076] device bridge_slave_0 entered promiscuous mode [ 59.430713][ T4076] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.432609][ T4076] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.435465][ T4076] device bridge_slave_1 entered promiscuous mode [ 59.460815][ T4076] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.465523][ T4076] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.482525][ T4076] team0: Port device team_slave_0 added [ 59.487200][ T4076] team0: Port device team_slave_1 added [ 59.510926][ T4076] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 59.512863][ T4076] 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. [ 59.520195][ T4076] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 59.525125][ T4076] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 59.527019][ T4076] 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. [ 59.533315][ T4076] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 59.595784][ T4076] device hsr_slave_0 entered promiscuous mode [ 59.634113][ T4076] device hsr_slave_1 entered promiscuous mode [ 59.769994][ T4076] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 59.849202][ T4076] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 59.892257][ T4076] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 59.956780][ T4076] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 60.095847][ T4076] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.106278][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.109667][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.116012][ T4076] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.126127][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.128956][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.132451][ T153] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.134394][ T153] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.141479][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.146834][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.149345][ T153] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.151216][ T153] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.158504][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.167377][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.170741][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.184689][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.188226][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.191504][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.196357][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.199170][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.202236][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.205659][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.212865][ T4076] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 60.217114][ T4076] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.220011][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.223077][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.303750][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.305961][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.314160][ T4076] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.330373][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 60.333416][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 60.351587][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 60.355272][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 60.358282][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 60.360846][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 60.366010][ T4076] device veth0_vlan entered promiscuous mode [ 60.372608][ T4076] device veth1_vlan entered promiscuous mode [ 60.392518][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 60.396569][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 60.399296][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 60.402128][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 60.407899][ T4076] device veth0_macvtap entered promiscuous mode [ 60.413576][ T4076] device veth1_macvtap entered promiscuous mode [ 60.436250][ T4076] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 60.440974][ T4076] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 60.447236][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 60.449801][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 60.459162][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 60.462175][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 60.467930][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 60.470750][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 60.479294][ T4076] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.481761][ T4076] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.485817][ T4076] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.488163][ T4076] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:01:01 executed programs: 0 [ 61.642932][ T4118] chnl_net:caif_netlink_parms(): no params data found [ 61.682909][ T4118] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.685330][ T4118] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.687952][ T4118] device bridge_slave_0 entered promiscuous mode [ 61.692645][ T4118] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.694921][ T4118] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.697579][ T4118] device bridge_slave_1 entered promiscuous mode [ 61.719932][ T4118] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.725984][ T4118] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.741908][ T4118] team0: Port device team_slave_0 added [ 61.746058][ T4118] team0: Port device team_slave_1 added [ 61.760349][ T4118] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 61.762209][ T4118] 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. [ 61.769407][ T4118] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 61.798012][ T4118] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 61.799910][ T4118] 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. [ 61.806795][ T4118] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 61.865908][ T4118] device hsr_slave_0 entered promiscuous mode [ 61.914123][ T4118] device hsr_slave_1 entered promiscuous mode [ 61.973847][ T4118] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 61.976209][ T4118] Cannot create hsr debugfs directory [ 62.089133][ T4118] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 63.634735][ T21] Bluetooth: hci0: command 0x0409 tx timeout [ 65.432815][ T4118] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 65.703940][ T4056] Bluetooth: hci0: command 0x041b tx timeout [ 65.712845][ T4118] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 65.776681][ T4118] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 65.930138][ T4118] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 65.975743][ T4118] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 66.026558][ T4118] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 66.096117][ T4118] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 66.481948][ T4118] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.490534][ T1598] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.493230][ T1598] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.501135][ T4118] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.521301][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.524382][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.527006][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.528885][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.531457][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.537305][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.539881][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.541724][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.545116][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.550326][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.552867][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.567886][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.572754][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.580232][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.591549][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.598461][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.601082][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.611010][ T4118] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 66.615269][ T4118] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.618573][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.621504][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.624856][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.708337][ T1598] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.710649][ T1598] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.717475][ T4118] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.730205][ T1598] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 66.733129][ T1598] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 66.755180][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 66.757983][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 66.761746][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 66.764881][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 66.775831][ T4118] device veth0_vlan entered promiscuous mode [ 66.783212][ T4118] device veth1_vlan entered promiscuous mode [ 66.802753][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 66.806309][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 66.808850][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 66.812341][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 66.816176][ T4118] device veth0_macvtap entered promiscuous mode [ 66.821390][ T4118] device veth1_macvtap entered promiscuous mode [ 66.876077][ T4118] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 66.879141][ T4118] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 66.882779][ T4118] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 66.887772][ T4118] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 66.890574][ T4118] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 66.898131][ T4118] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 66.900243][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 66.903081][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 66.914425][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 66.924285][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 66.926959][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 66.929667][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 66.936221][ T4118] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.938533][ T4118] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.940784][ T4118] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.943077][ T4118] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.018700][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.020977][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 67.033420][ T1598] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 67.038616][ T1598] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.040763][ T1598] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 67.043976][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 67.225995][ T4133] [ 67.226625][ T4133] ====================================================== [ 67.228517][ T4133] WARNING: possible circular locking dependency detected [ 67.230455][ T4133] 5.15.178-syzkaller #0 Not tainted [ 67.231859][ T4133] ------------------------------------------------------ [ 67.233632][ T4133] syz.0.16/4133 is trying to acquire lock: [ 67.235364][ T4133] ffff0000d43b0c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xd0/0x1c0 [ 67.238342][ T4133] [ 67.238342][ T4133] but task is already holding lock: [ 67.240231][ T4133] ffff800016f39608 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 67.242733][ T4133] [ 67.242733][ T4133] which lock already depends on the new lock. [ 67.242733][ T4133] [ 67.245244][ T4133] [ 67.245244][ T4133] the existing dependency chain (in reverse order) is: [ 67.247516][ T4133] [ 67.247516][ T4133] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 67.249890][ T4133] __mutex_lock_common+0x194/0x2154 [ 67.251427][ T4133] mutex_lock_nested+0xa4/0xf8 [ 67.252942][ T4133] rfkill_register+0x44/0x7a4 [ 67.254364][ T4133] hci_register_dev+0x3e0/0x880 [ 67.255944][ T4133] vhci_create_device+0x2c4/0x568 [ 67.257382][ T4133] vhci_write+0x318/0x3b8 [ 67.258614][ T4133] vfs_write+0x884/0xb44 [ 67.259861][ T4133] ksys_write+0x15c/0x26c [ 67.261135][ T4133] __arm64_sys_write+0x7c/0x90 [ 67.262447][ T4133] invoke_syscall+0x98/0x2b8 [ 67.263961][ T4133] el0_svc_common+0x138/0x258 [ 67.265350][ T4133] do_el0_svc+0x58/0x14c [ 67.266519][ T4133] el0_svc+0x7c/0x1f0 [ 67.267833][ T4133] el0t_64_sync_handler+0x84/0xe4 [ 67.269488][ T4133] el0t_64_sync+0x1a0/0x1a4 [ 67.270850][ T4133] [ 67.270850][ T4133] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 67.272942][ T4133] __mutex_lock_common+0x194/0x2154 [ 67.274468][ T4133] mutex_lock_nested+0xa4/0xf8 [ 67.275870][ T4133] vhci_send_frame+0x8c/0x10c [ 67.277345][ T4133] hci_send_frame+0x194/0x2f0 [ 67.278824][ T4133] hci_tx_work+0x9ac/0x16cc [ 67.280201][ T4133] process_one_work+0x790/0x11b8 [ 67.281684][ T4133] worker_thread+0x910/0x1034 [ 67.283051][ T4133] kthread+0x37c/0x45c [ 67.284319][ T4133] ret_from_fork+0x10/0x20 [ 67.285653][ T4133] [ 67.285653][ T4133] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 67.288147][ T4133] __flush_work+0xf8/0x1c0 [ 67.289521][ T4133] flush_work+0x24/0x38 [ 67.290851][ T4133] hci_dev_do_close+0x16c/0x1060 [ 67.292329][ T4133] hci_unregister_dev+0x248/0x4d4 [ 67.293858][ T4133] vhci_release+0x74/0xc4 [ 67.295201][ T4133] __fput+0x1c4/0x800 [ 67.296411][ T4133] ____fput+0x20/0x30 [ 67.297676][ T4133] task_work_run+0x130/0x1e4 [ 67.299015][ T4133] do_exit+0x670/0x20bc [ 67.300117][ T4133] do_group_exit+0x110/0x268 [ 67.301464][ T4133] get_signal+0x634/0x1550 [ 67.302719][ T4133] do_notify_resume+0x3d0/0x32b8 [ 67.304248][ T4133] el0_svc+0xfc/0x1f0 [ 67.305493][ T4133] el0t_64_sync_handler+0x84/0xe4 [ 67.306967][ T4133] el0t_64_sync+0x1a0/0x1a4 [ 67.308193][ T4133] [ 67.308193][ T4133] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 67.310243][ T4133] __mutex_lock_common+0x194/0x2154 [ 67.311825][ T4133] mutex_lock_nested+0xa4/0xf8 [ 67.313332][ T4133] bg_scan_update+0x9c/0x470 [ 67.314712][ T4133] process_one_work+0x790/0x11b8 [ 67.316263][ T4133] worker_thread+0x910/0x1034 [ 67.317736][ T4133] kthread+0x37c/0x45c [ 67.318981][ T4133] ret_from_fork+0x10/0x20 [ 67.320346][ T4133] [ 67.320346][ T4133] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 67.323019][ T4133] __lock_acquire+0x32d4/0x7638 [ 67.324490][ T4133] lock_acquire+0x240/0x77c [ 67.325889][ T4133] __flush_work+0xf8/0x1c0 [ 67.327248][ T4133] __cancel_work_timer+0x3ec/0x548 [ 67.328810][ T4133] cancel_work_sync+0x24/0x38 [ 67.330339][ T4133] hci_request_cancel_all+0xcc/0x2d0 [ 67.331959][ T4133] hci_dev_do_close+0x54/0x1060 [ 67.333416][ T4133] hci_rfkill_set_block+0xdc/0x1d0 [ 67.334938][ T4133] rfkill_set_block+0x18c/0x37c [ 67.336437][ T4133] rfkill_fop_write+0x594/0x750 [ 67.337922][ T4133] vfs_write+0x280/0xb44 [ 67.339306][ T4133] ksys_write+0x15c/0x26c [ 67.340627][ T4133] __arm64_sys_write+0x7c/0x90 [ 67.342000][ T4133] invoke_syscall+0x98/0x2b8 [ 67.343390][ T4133] el0_svc_common+0x138/0x258 [ 67.344739][ T4133] do_el0_svc+0x58/0x14c [ 67.346074][ T4133] el0_svc+0x7c/0x1f0 [ 67.347082][ T4133] el0t_64_sync_handler+0x84/0xe4 [ 67.348542][ T4133] el0t_64_sync+0x1a0/0x1a4 [ 67.349980][ T4133] [ 67.349980][ T4133] other info that might help us debug this: [ 67.349980][ T4133] [ 67.352880][ T4133] Chain exists of: [ 67.352880][ T4133] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 67.352880][ T4133] [ 67.357074][ T4133] Possible unsafe locking scenario: [ 67.357074][ T4133] [ 67.359044][ T4133] CPU0 CPU1 [ 67.360574][ T4133] ---- ---- [ 67.362058][ T4133] lock(rfkill_global_mutex); [ 67.363364][ T4133] lock(&data->open_mutex); [ 67.365310][ T4133] lock(rfkill_global_mutex); [ 67.366948][ T4133] lock((work_completion)(&hdev->bg_scan_update)); [ 67.368695][ T4133] [ 67.368695][ T4133] *** DEADLOCK *** [ 67.368695][ T4133] [ 67.370753][ T4133] 1 lock held by syz.0.16/4133: [ 67.372144][ T4133] #0: ffff800016f39608 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 67.375075][ T4133] [ 67.375075][ T4133] stack backtrace: [ 67.376756][ T4133] CPU: 1 PID: 4133 Comm: syz.0.16 Not tainted 5.15.178-syzkaller #0 [ 67.378912][ T4133] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 67.381707][ T4133] Call trace: [ 67.382660][ T4133] dump_backtrace+0x0/0x530 [ 67.383784][ T4133] show_stack+0x2c/0x3c [ 67.384903][ T4133] dump_stack_lvl+0x108/0x170 [ 67.386285][ T4133] dump_stack+0x1c/0x58 [ 67.387438][ T4133] print_circular_bug+0x150/0x1b8 [ 67.388899][ T4133] check_noncircular+0x2cc/0x378 [ 67.390266][ T4133] __lock_acquire+0x32d4/0x7638 [ 67.391596][ T4133] lock_acquire+0x240/0x77c [ 67.392853][ T4133] __flush_work+0xf8/0x1c0 [ 67.394040][ T4133] __cancel_work_timer+0x3ec/0x548 [ 67.395516][ T4133] cancel_work_sync+0x24/0x38 [ 67.396814][ T4133] hci_request_cancel_all+0xcc/0x2d0 [ 67.398285][ T4133] hci_dev_do_close+0x54/0x1060 [ 67.399582][ T4133] hci_rfkill_set_block+0xdc/0x1d0 [ 67.401063][ T4133] rfkill_set_block+0x18c/0x37c [ 67.402387][ T4133] rfkill_fop_write+0x594/0x750 [ 67.403736][ T4133] vfs_write+0x280/0xb44 [ 67.404954][ T4133] ksys_write+0x15c/0x26c [ 67.406111][ T4133] __arm64_sys_write+0x7c/0x90 [ 67.407458][ T4133] invoke_syscall+0x98/0x2b8 [ 67.408813][ T4133] el0_svc_common+0x138/0x258 [ 67.410184][ T4133] do_el0_svc+0x58/0x14c [ 67.411414][ T4133] el0_svc+0x7c/0x1f0 [ 67.412600][ T4133] el0t_64_sync_handler+0x84/0xe4 [ 67.414074][ T4133] el0t_64_sync+0x1a0/0x1a4