Warning: Permanently added '10.128.10.20' (ED25519) to the list of known hosts. 1970/01/01 00:00:45 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:00:45 parsed 1 programs [ 48.634767][ T4024] cgroup: Unknown subsys name 'net' [ 48.915639][ T4024] cgroup: Unknown subsys name 'rlimit' [ 49.248365][ T4024] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 56.451859][ T381] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 56.453586][ T381] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 56.455965][ T381] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 56.535742][ T1708] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 56.537645][ T1708] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 56.540582][ T381] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 57.182512][ T4089] chnl_net:caif_netlink_parms(): no params data found [ 57.223205][ T4089] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.224943][ T4089] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.227234][ T4089] device bridge_slave_0 entered promiscuous mode [ 57.232162][ T4089] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.233873][ T4089] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.236203][ T4089] device bridge_slave_1 entered promiscuous mode [ 57.252688][ T4089] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.257472][ T4089] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.274218][ T4089] team0: Port device team_slave_0 added [ 57.277256][ T4089] team0: Port device team_slave_1 added [ 57.292481][ T4089] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 57.293890][ T4089] 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. [ 57.299718][ T4089] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 57.303958][ T4089] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 57.305425][ T4089] 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. [ 57.312813][ T4089] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 57.401353][ T4089] device hsr_slave_0 entered promiscuous mode [ 57.429215][ T4089] device hsr_slave_1 entered promiscuous mode [ 57.559274][ T4089] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 57.621856][ T4089] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 57.681886][ T4089] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 57.722508][ T4089] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 57.823453][ T4089] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.832226][ T381] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.834918][ T381] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.842074][ T4089] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.846444][ T381] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 57.850261][ T381] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.852702][ T381] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.854265][ T381] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.856657][ T381] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.862103][ T381] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 57.864511][ T381] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.866563][ T381] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.868203][ T381] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.883101][ T381] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 57.885925][ T381] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 57.888285][ T381] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 57.892196][ T381] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 57.894431][ T381] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 57.907533][ T4089] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 57.910248][ T4089] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 57.914865][ T381] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 57.917438][ T381] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 57.919949][ T381] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 57.922263][ T381] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 57.925165][ T381] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 57.927344][ T381] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 57.930655][ T381] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.023975][ T381] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.025619][ T381] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.038732][ T4089] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.052834][ T1708] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 58.055155][ T1708] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 58.069536][ T1708] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 58.072021][ T1708] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 58.073951][ T1708] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 58.077845][ T4089] device veth0_vlan entered promiscuous mode [ 58.084808][ T4089] device veth1_vlan entered promiscuous mode [ 58.102217][ T1708] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 58.104378][ T1708] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 58.106835][ T1708] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 58.113283][ T4089] device veth0_macvtap entered promiscuous mode [ 58.117519][ T4089] device veth1_macvtap entered promiscuous mode [ 58.130503][ T4089] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 58.132314][ T1708] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 58.134896][ T1708] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 58.136978][ T1708] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 58.143670][ T4089] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 58.145462][ T1708] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 58.147846][ T1708] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 58.153550][ T4089] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.155527][ T4089] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.157492][ T4089] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.160406][ T4089] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:58 executed programs: 0 [ 58.369794][ T4116] chnl_net:caif_netlink_parms(): no params data found [ 58.423855][ T4116] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.425368][ T4116] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.427474][ T4116] device bridge_slave_0 entered promiscuous mode [ 58.430921][ T4116] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.432478][ T4116] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.434660][ T4116] device bridge_slave_1 entered promiscuous mode [ 58.452795][ T4116] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.457522][ T4116] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.475300][ T4116] team0: Port device team_slave_0 added [ 58.478215][ T4116] team0: Port device team_slave_1 added [ 58.495499][ T4116] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 58.496870][ T4116] 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. [ 58.503471][ T4116] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 58.507291][ T4116] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 58.509056][ T4116] 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. [ 58.514179][ T4116] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 58.571187][ T4116] device hsr_slave_0 entered promiscuous mode [ 58.619249][ T4116] device hsr_slave_1 entered promiscuous mode [ 58.659076][ T4116] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 58.660865][ T4116] Cannot create hsr debugfs directory [ 58.758171][ T4116] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 60.339637][ T4103] Bluetooth: hci0: command 0x0409 tx timeout [ 61.576798][ T4116] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 62.419477][ T4103] Bluetooth: hci0: command 0x041b tx timeout [ 63.956174][ T4116] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 64.022204][ T4116] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 64.224965][ T4116] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 64.271347][ T4116] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 64.312864][ T4116] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 64.363598][ T4116] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 64.498892][ T4106] Bluetooth: hci0: command 0x040f tx timeout [ 64.517920][ T4116] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.531831][ T1708] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.533861][ T1708] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.541252][ T4116] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.545780][ T1708] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.547915][ T1708] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.552182][ T1708] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.553568][ T1708] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.561253][ T1708] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.563499][ T1708] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.565717][ T1708] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.567651][ T1708] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.569121][ T1708] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.582593][ T1708] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.584963][ T1708] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.588227][ T1708] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.591461][ T1708] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.593751][ T1708] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.596204][ T1708] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.608168][ T4116] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 64.610548][ T4116] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 64.613711][ T1708] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.617288][ T1708] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.620671][ T1708] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.622998][ T1708] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.625108][ T1708] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.627201][ T1708] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.712077][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 64.713796][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 64.723439][ T4116] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.742727][ T1708] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 64.744749][ T1708] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 64.764052][ T1708] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 64.766336][ T1708] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 64.773583][ T4116] device veth0_vlan entered promiscuous mode [ 64.776672][ T1708] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 64.778727][ T1708] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 64.787529][ T4116] device veth1_vlan entered promiscuous mode [ 64.803563][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 64.805819][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 64.808011][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 64.813207][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 64.817336][ T4116] device veth0_macvtap entered promiscuous mode [ 64.824317][ T4116] device veth1_macvtap entered promiscuous mode [ 64.835480][ T4116] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 64.837766][ T4116] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 64.841445][ T4116] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 64.843034][ T1708] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 64.845370][ T1708] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 64.847375][ T1708] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 64.852238][ T1708] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 64.856319][ T4116] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 64.858560][ T4116] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 64.863530][ T4116] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 64.865174][ T1708] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 64.867488][ T1708] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 64.873316][ T4116] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.875134][ T4116] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.876984][ T4116] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.878707][ T4116] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.937476][ T148] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.939275][ T148] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.941740][ T1708] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 64.958276][ T1708] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.962435][ T1708] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.965184][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 65.070036][ T4129] [ 65.070584][ T4129] ====================================================== [ 65.071895][ T4129] WARNING: possible circular locking dependency detected [ 65.073206][ T4129] 5.15.173-syzkaller #0 Not tainted [ 65.074181][ T4129] ------------------------------------------------------ [ 65.075571][ T4129] syz.0.15/4129 is trying to acquire lock: [ 65.076626][ T4129] ffff0000d6538c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xd0/0x1c0 [ 65.078955][ T4129] [ 65.078955][ T4129] but task is already holding lock: [ 65.080496][ T4129] ffff800016f25fe8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 65.082390][ T4129] [ 65.082390][ T4129] which lock already depends on the new lock. [ 65.082390][ T4129] [ 65.084322][ T4129] [ 65.084322][ T4129] the existing dependency chain (in reverse order) is: [ 65.086129][ T4129] [ 65.086129][ T4129] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 65.087746][ T4129] __mutex_lock_common+0x194/0x2154 [ 65.088788][ T4129] mutex_lock_nested+0xa4/0xf8 [ 65.089824][ T4129] rfkill_register+0x44/0x7a4 [ 65.090946][ T4129] hci_register_dev+0x3e0/0x880 [ 65.092058][ T4129] vhci_create_device+0x2c4/0x568 [ 65.093243][ T4129] vhci_write+0x318/0x3b8 [ 65.094267][ T4129] vfs_write+0x884/0xb44 [ 65.095223][ T4129] ksys_write+0x15c/0x26c [ 65.096296][ T4129] __arm64_sys_write+0x7c/0x90 [ 65.097377][ T4129] invoke_syscall+0x98/0x2b8 [ 65.098365][ T4129] el0_svc_common+0x138/0x258 [ 65.099478][ T4129] do_el0_svc+0x58/0x14c [ 65.100550][ T4129] el0_svc+0x7c/0x1f0 [ 65.101508][ T4129] el0t_64_sync_handler+0x84/0xe4 [ 65.102656][ T4129] el0t_64_sync+0x1a0/0x1a4 [ 65.103707][ T4129] [ 65.103707][ T4129] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 65.105522][ T4129] __mutex_lock_common+0x194/0x2154 [ 65.106790][ T4129] mutex_lock_nested+0xa4/0xf8 [ 65.107840][ T4129] vhci_send_frame+0x8c/0x10c [ 65.109005][ T4129] hci_send_frame+0x194/0x2f0 [ 65.109987][ T4129] hci_tx_work+0x9ac/0x16cc [ 65.111009][ T4129] process_one_work+0x790/0x11b8 [ 65.112237][ T4129] worker_thread+0x910/0x1034 [ 65.113460][ T4129] kthread+0x37c/0x45c [ 65.114429][ T4129] ret_from_fork+0x10/0x20 [ 65.115443][ T4129] [ 65.115443][ T4129] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 65.117283][ T4129] __flush_work+0xf8/0x1c0 [ 65.118265][ T4129] flush_work+0x24/0x38 [ 65.119311][ T4129] hci_dev_do_close+0x16c/0x1060 [ 65.120419][ T4129] hci_unregister_dev+0x248/0x4d4 [ 65.121577][ T4129] vhci_release+0x74/0xc4 [ 65.122625][ T4129] __fput+0x1c4/0x800 [ 65.123590][ T4129] ____fput+0x20/0x30 [ 65.124583][ T4129] task_work_run+0x130/0x1e4 [ 65.125620][ T4129] do_exit+0x670/0x20bc [ 65.126638][ T4129] do_group_exit+0x110/0x268 [ 65.127689][ T4129] get_signal+0x634/0x1550 [ 65.128728][ T4129] do_notify_resume+0x3d0/0x32b8 [ 65.129859][ T4129] el0_svc+0xfc/0x1f0 [ 65.130786][ T4129] el0t_64_sync_handler+0x84/0xe4 [ 65.131985][ T4129] el0t_64_sync+0x1a0/0x1a4 [ 65.133069][ T4129] [ 65.133069][ T4129] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 65.134817][ T4129] __mutex_lock_common+0x194/0x2154 [ 65.135996][ T4129] mutex_lock_nested+0xa4/0xf8 [ 65.137141][ T4129] bg_scan_update+0x9c/0x470 [ 65.138194][ T4129] process_one_work+0x790/0x11b8 [ 65.139305][ T4129] worker_thread+0x910/0x1034 [ 65.140514][ T4129] kthread+0x37c/0x45c [ 65.141469][ T4129] ret_from_fork+0x10/0x20 [ 65.142481][ T4129] [ 65.142481][ T4129] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 65.144712][ T4129] __lock_acquire+0x32d4/0x7638 [ 65.145814][ T4129] lock_acquire+0x240/0x77c [ 65.146922][ T4129] __flush_work+0xf8/0x1c0 [ 65.147996][ T4129] __cancel_work_timer+0x3ec/0x548 [ 65.149107][ T4129] cancel_work_sync+0x24/0x38 [ 65.150239][ T4129] hci_request_cancel_all+0xcc/0x2d0 [ 65.151452][ T4129] hci_dev_do_close+0x54/0x1060 [ 65.152632][ T4129] hci_rfkill_set_block+0xdc/0x1d0 [ 65.153827][ T4129] rfkill_set_block+0x18c/0x37c [ 65.155060][ T4129] rfkill_fop_write+0x594/0x750 [ 65.156311][ T4129] vfs_write+0x280/0xb44 [ 65.157436][ T4129] ksys_write+0x15c/0x26c [ 65.158566][ T4129] __arm64_sys_write+0x7c/0x90 [ 65.159869][ T4129] invoke_syscall+0x98/0x2b8 [ 65.160861][ T4129] el0_svc_common+0x138/0x258 [ 65.162090][ T4129] do_el0_svc+0x58/0x14c [ 65.163077][ T4129] el0_svc+0x7c/0x1f0 [ 65.164049][ T4129] el0t_64_sync_handler+0x84/0xe4 [ 65.165142][ T4129] el0t_64_sync+0x1a0/0x1a4 [ 65.166207][ T4129] [ 65.166207][ T4129] other info that might help us debug this: [ 65.166207][ T4129] [ 65.168387][ T4129] Chain exists of: [ 65.168387][ T4129] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 65.168387][ T4129] [ 65.171654][ T4129] Possible unsafe locking scenario: [ 65.171654][ T4129] [ 65.173241][ T4129] CPU0 CPU1 [ 65.174419][ T4129] ---- ---- [ 65.175565][ T4129] lock(rfkill_global_mutex); [ 65.176502][ T4129] lock(&data->open_mutex); [ 65.178176][ T4129] lock(rfkill_global_mutex); [ 65.179820][ T4129] lock((work_completion)(&hdev->bg_scan_update)); [ 65.181334][ T4129] [ 65.181334][ T4129] *** DEADLOCK *** [ 65.181334][ T4129] [ 65.183209][ T4129] 1 lock held by syz.0.15/4129: [ 65.184278][ T4129] #0: ffff800016f25fe8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 65.186554][ T4129] [ 65.186554][ T4129] stack backtrace: [ 65.187728][ T4129] CPU: 0 PID: 4129 Comm: syz.0.15 Not tainted 5.15.173-syzkaller #0 [ 65.189323][ T4129] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 65.191781][ T4129] Call trace: [ 65.192485][ T4129] dump_backtrace+0x0/0x530 [ 65.193471][ T4129] show_stack+0x2c/0x3c [ 65.194305][ T4129] dump_stack_lvl+0x108/0x170 [ 65.195178][ T4129] dump_stack+0x1c/0x58 [ 65.196079][ T4129] print_circular_bug+0x150/0x1b8 [ 65.197007][ T4129] check_noncircular+0x2cc/0x378 [ 65.197994][ T4129] __lock_acquire+0x32d4/0x7638 [ 65.198946][ T4129] lock_acquire+0x240/0x77c [ 65.199832][ T4129] __flush_work+0xf8/0x1c0 [ 65.200829][ T4129] __cancel_work_timer+0x3ec/0x548 [ 65.201926][ T4129] cancel_work_sync+0x24/0x38 [ 65.202857][ T4129] hci_request_cancel_all+0xcc/0x2d0 [ 65.203781][ T4129] hci_dev_do_close+0x54/0x1060 [ 65.204749][ T4129] hci_rfkill_set_block+0xdc/0x1d0 [ 65.205783][ T4129] rfkill_set_block+0x18c/0x37c [ 65.206986][ T4129] rfkill_fop_write+0x594/0x750 [ 65.207998][ T4129] vfs_write+0x280/0xb44 [ 65.208832][ T4129] ksys_write+0x15c/0x26c [ 65.209740][ T4129] __arm64_sys_write+0x7c/0x90 [ 65.210729][ T4129] invoke_syscall+0x98/0x2b8 [ 65.211668][ T4129] el0_svc_common+0x138/0x258 [ 65.212586][ T4129] do_el0_svc+0x58/0x14c [ 65.213445][ T4129] el0_svc+0x7c/0x1f0 [ 65.214263][ T4129] el0t_64_sync_handler+0x84/0xe4 [ 65.215332][ T4129] el0t_64_sync+0x1a0/0x1a4