Warning: Permanently added '10.128.1.66' (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 [ 46.608459][ T4030] cgroup: Unknown subsys name 'net' [ 46.866398][ T4030] cgroup: Unknown subsys name 'rlimit' [ 47.219228][ T4030] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 57.247966][ T4062] chnl_net:caif_netlink_parms(): no params data found [ 57.289107][ T4062] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.291632][ T4062] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.294212][ T4062] device bridge_slave_0 entered promiscuous mode [ 57.298581][ T4062] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.300699][ T4062] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.303220][ T4062] device bridge_slave_1 entered promiscuous mode [ 57.322355][ T4062] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.326802][ T4062] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.341605][ T4062] team0: Port device team_slave_0 added [ 57.345707][ T4062] team0: Port device team_slave_1 added [ 57.358767][ T4062] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 57.360970][ T4062] 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. [ 57.368133][ T4062] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 57.373104][ T4062] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 57.375097][ T4062] 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. [ 57.382343][ T4062] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 57.452878][ T4062] device hsr_slave_0 entered promiscuous mode [ 57.500914][ T4062] device hsr_slave_1 entered promiscuous mode [ 57.668434][ T4062] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 57.745270][ T4062] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 57.784590][ T4062] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 57.854089][ T4062] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 57.918960][ T4062] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.921150][ T4062] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.923575][ T4062] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.925448][ T4062] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.969164][ T4062] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.979387][ T1600] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.985679][ T1600] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.989378][ T1600] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.993682][ T1600] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 58.001274][ T4062] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.007060][ T1600] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.010718][ T1600] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.012679][ T1600] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.033557][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.036203][ T398] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.038107][ T398] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.042838][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.045790][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.048601][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.059393][ T4062] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 58.063684][ T4062] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 58.068177][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.072915][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.075844][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.153317][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.155534][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.162797][ T4062] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.178327][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 58.192713][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 58.195655][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 58.198124][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 58.206872][ T4062] device veth0_vlan entered promiscuous mode [ 58.215209][ T4062] device veth1_vlan entered promiscuous mode [ 58.221474][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 58.226006][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 58.240335][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 58.245212][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 58.249561][ T4062] device veth0_macvtap entered promiscuous mode [ 58.254918][ T4062] device veth1_macvtap entered promiscuous mode [ 58.265389][ T4062] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 58.267765][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 58.270427][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 58.275345][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 58.278252][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 58.293064][ T4062] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 58.297222][ T4062] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.299720][ T4062] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.303088][ T4062] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.305496][ T4062] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.308982][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 58.314180][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 59.003648][ T9] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 59.330847][ T398] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 59.333154][ T398] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 59.336024][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 59.349690][ T1600] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 59.352476][ T1600] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 59.355484][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:00:59 executed programs: 0 [ 60.156576][ T4117] chnl_net:caif_netlink_parms(): no params data found [ 60.189826][ T4117] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.192103][ T4117] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.194865][ T4117] device bridge_slave_0 entered promiscuous mode [ 60.198551][ T4117] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.200903][ T4117] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.203586][ T4117] device bridge_slave_1 entered promiscuous mode [ 60.221697][ T4117] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.226004][ T4117] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.240838][ T4117] team0: Port device team_slave_0 added [ 60.245376][ T4117] team0: Port device team_slave_1 added [ 60.259113][ T4117] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 60.261237][ T4117] 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. [ 60.268193][ T4117] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 60.272630][ T4117] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 60.274548][ T4117] 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. [ 60.281665][ T4117] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 60.373193][ T4117] device hsr_slave_0 entered promiscuous mode [ 60.410948][ T4117] device hsr_slave_1 entered promiscuous mode [ 60.450708][ T4117] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 60.452974][ T4117] Cannot create hsr debugfs directory [ 61.038018][ T9] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 62.121301][ T4068] Bluetooth: hci0: command 0x0409 tx timeout [ 63.396814][ T9] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 63.459534][ T9] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 64.200647][ T4142] Bluetooth: hci0: command 0x041b tx timeout [ 64.358807][ T4117] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 64.405071][ T4117] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 64.452591][ T4117] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 64.527295][ T4117] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 64.609109][ T4117] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.619122][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.622126][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.627067][ T4117] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.632644][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.635384][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.637983][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.639865][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.643223][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.671744][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.674812][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.677328][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.679255][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.688885][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.716608][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.722995][ T1600] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.726706][ T1600] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.729587][ T1600] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.737196][ T1600] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.743893][ T1600] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.757882][ T1600] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.760653][ T1600] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.764964][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.768683][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.774604][ T4117] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.853466][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 64.855788][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 64.863007][ T4117] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.875952][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 64.878878][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 64.896399][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 64.899297][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 64.904565][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 64.907171][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 64.912384][ T4117] device veth0_vlan entered promiscuous mode [ 64.920043][ T4117] device veth1_vlan entered promiscuous mode [ 64.934779][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 64.937658][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 64.940314][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 64.943646][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 64.948097][ T4117] device veth0_macvtap entered promiscuous mode [ 64.953103][ T4117] device veth1_macvtap entered promiscuous mode [ 64.962526][ T4117] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 64.965568][ T4117] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 64.969054][ T4117] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 64.973959][ T4117] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 64.976852][ T4117] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 64.982440][ T4117] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 64.984633][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 64.987284][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 64.989766][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 64.997164][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 64.999996][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 65.003104][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 65.008612][ T4117] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.011456][ T4117] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.013766][ T4117] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.016084][ T4117] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.054887][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 65.057141][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 65.059886][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 65.073058][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 65.075288][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 65.077996][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 65.118031][ T4169] [ 65.118756][ T4169] ====================================================== [ 65.120657][ T4169] WARNING: possible circular locking dependency detected [ 65.122622][ T4169] 5.15.184-syzkaller #0 Not tainted [ 65.124024][ T4169] ------------------------------------------------------ [ 65.125990][ T4169] syz.0.16/4169 is trying to acquire lock: [ 65.127453][ T4169] ffff0000d6f64c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xcc/0x1bc [ 65.130105][ T4169] [ 65.130105][ T4169] but task is already holding lock: [ 65.131860][ T4169] ffff8000164f7788 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x238/0x5cc [ 65.134587][ T4169] [ 65.134587][ T4169] which lock already depends on the new lock. [ 65.134587][ T4169] [ 65.137395][ T4169] [ 65.137395][ T4169] the existing dependency chain (in reverse order) is: [ 65.139907][ T4169] [ 65.139907][ T4169] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 65.142129][ T4169] __mutex_lock_common+0x194/0x1edc [ 65.143706][ T4169] mutex_lock_nested+0xac/0x11c [ 65.145133][ T4169] rfkill_register+0x44/0x77c [ 65.146588][ T4169] hci_register_dev+0x3d8/0x854 [ 65.147974][ T4169] vhci_create_device+0x2bc/0x564 [ 65.149484][ T4169] vhci_write+0x30c/0x3ac [ 65.150773][ T4169] vfs_write+0x7c8/0xa2c [ 65.152059][ T4169] ksys_write+0x120/0x210 [ 65.153370][ T4169] __arm64_sys_write+0x7c/0x90 [ 65.154759][ T4169] invoke_syscall+0x98/0x2b8 [ 65.156130][ T4169] el0_svc_common+0x138/0x258 [ 65.157527][ T4169] do_el0_svc+0x58/0x14c [ 65.158836][ T4169] el0_svc+0x78/0x1e0 [ 65.160110][ T4169] el0t_64_sync_handler+0xcc/0xe4 [ 65.161681][ T4169] el0t_64_sync+0x1a0/0x1a4 [ 65.163029][ T4169] [ 65.163029][ T4169] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 65.165180][ T4169] __mutex_lock_common+0x194/0x1edc [ 65.166791][ T4169] mutex_lock_nested+0xac/0x11c [ 65.168256][ T4169] vhci_send_frame+0x88/0x118 [ 65.169639][ T4169] hci_send_frame+0x194/0x2f0 [ 65.171018][ T4169] hci_tx_work+0x7e4/0x1394 [ 65.172372][ T4169] process_one_work+0x79c/0x1140 [ 65.173830][ T4169] worker_thread+0x8f4/0x101c [ 65.175228][ T4169] kthread+0x374/0x454 [ 65.176451][ T4169] ret_from_fork+0x10/0x20 [ 65.177817][ T4169] [ 65.177817][ T4169] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 65.180307][ T4169] __flush_work+0xf4/0x1bc [ 65.181672][ T4169] flush_work+0x24/0x38 [ 65.182901][ T4169] hci_dev_do_close+0x164/0x105c [ 65.184423][ T4169] hci_unregister_dev+0x23c/0x4c0 [ 65.185929][ T4169] vhci_release+0x74/0xc4 [ 65.187244][ T4169] __fput+0x1c0/0x7f8 [ 65.188460][ T4169] ____fput+0x20/0x30 [ 65.189678][ T4169] task_work_run+0x12c/0x1e0 [ 65.191040][ T4169] do_exit+0x67c/0x1f58 [ 65.192286][ T4169] do_group_exit+0x100/0x268 [ 65.193630][ T4169] get_signal+0x73c/0x1340 [ 65.194996][ T4169] do_notify_resume+0x35c/0x3128 [ 65.196488][ T4169] el0_svc+0xf0/0x1e0 [ 65.197689][ T4169] el0t_64_sync_handler+0xcc/0xe4 [ 65.199129][ T4169] el0t_64_sync+0x1a0/0x1a4 [ 65.200457][ T4169] [ 65.200457][ T4169] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 65.202576][ T4169] __mutex_lock_common+0x194/0x1edc [ 65.204077][ T4169] mutex_lock_nested+0xac/0x11c [ 65.205520][ T4169] bg_scan_update+0x48/0x3d0 [ 65.206897][ T4169] process_one_work+0x79c/0x1140 [ 65.208378][ T4169] worker_thread+0x8f4/0x101c [ 65.209806][ T4169] kthread+0x374/0x454 [ 65.211067][ T4169] ret_from_fork+0x10/0x20 [ 65.212428][ T4169] [ 65.212428][ T4169] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 65.215036][ T4169] __lock_acquire+0x2928/0x651c [ 65.216437][ T4169] lock_acquire+0x1f4/0x620 [ 65.217777][ T4169] __flush_work+0xf4/0x1bc [ 65.219103][ T4169] __cancel_work_timer+0x2ec/0x448 [ 65.220607][ T4169] cancel_work_sync+0x24/0x38 [ 65.222079][ T4169] hci_request_cancel_all+0xbc/0x2d0 [ 65.223656][ T4169] hci_dev_do_close+0x54/0x105c [ 65.225080][ T4169] hci_rfkill_set_block+0xdc/0x1d0 [ 65.226616][ T4169] rfkill_set_block+0x18c/0x374 [ 65.228108][ T4169] rfkill_fop_write+0x4a4/0x5cc [ 65.229597][ T4169] vfs_write+0x280/0xa2c [ 65.230927][ T4169] ksys_write+0x120/0x210 [ 65.232226][ T4169] __arm64_sys_write+0x7c/0x90 [ 65.233692][ T4169] invoke_syscall+0x98/0x2b8 [ 65.235063][ T4169] el0_svc_common+0x138/0x258 [ 65.236503][ T4169] do_el0_svc+0x58/0x14c [ 65.237738][ T4169] el0_svc+0x78/0x1e0 [ 65.238924][ T4169] el0t_64_sync_handler+0xcc/0xe4 [ 65.240376][ T4169] el0t_64_sync+0x1a0/0x1a4 [ 65.241741][ T4169] [ 65.241741][ T4169] other info that might help us debug this: [ 65.241741][ T4169] [ 65.244545][ T4169] Chain exists of: [ 65.244545][ T4169] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 65.244545][ T4169] [ 65.248755][ T4169] Possible unsafe locking scenario: [ 65.248755][ T4169] [ 65.250697][ T4169] CPU0 CPU1 [ 65.252141][ T4169] ---- ---- [ 65.253599][ T4169] lock(rfkill_global_mutex); [ 65.254878][ T4169] lock(&data->open_mutex); [ 65.256825][ T4169] lock(rfkill_global_mutex); [ 65.258822][ T4169] lock((work_completion)(&hdev->bg_scan_update)); [ 65.260576][ T4169] [ 65.260576][ T4169] *** DEADLOCK *** [ 65.260576][ T4169] [ 65.262781][ T4169] 1 lock held by syz.0.16/4169: [ 65.264067][ T4169] #0: ffff8000164f7788 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x238/0x5cc [ 65.266822][ T4169] [ 65.266822][ T4169] stack backtrace: [ 65.268415][ T4169] CPU: 1 PID: 4169 Comm: syz.0.16 Not tainted 5.15.184-syzkaller #0 [ 65.270642][ T4169] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 65.273475][ T4169] Call trace: [ 65.274344][ T4169] dump_backtrace+0x0/0x43c [ 65.275563][ T4169] show_stack+0x2c/0x3c [ 65.276677][ T4169] __dump_stack+0x30/0x40 [ 65.277848][ T4169] dump_stack_lvl+0xf8/0x160 [ 65.279048][ T4169] dump_stack+0x1c/0x5c [ 65.280158][ T4169] print_circular_bug+0x148/0x1b0 [ 65.281536][ T4169] check_noncircular+0x240/0x2d4 [ 65.282846][ T4169] __lock_acquire+0x2928/0x651c [ 65.284210][ T4169] lock_acquire+0x1f4/0x620 [ 65.285376][ T4169] __flush_work+0xf4/0x1bc [ 65.286540][ T4169] __cancel_work_timer+0x2ec/0x448 [ 65.287915][ T4169] cancel_work_sync+0x24/0x38 [ 65.289153][ T4169] hci_request_cancel_all+0xbc/0x2d0 [ 65.290646][ T4169] hci_dev_do_close+0x54/0x105c [ 65.291891][ T4169] hci_rfkill_set_block+0xdc/0x1d0 [ 65.293266][ T4169] rfkill_set_block+0x18c/0x374 [ 65.294628][ T4169] rfkill_fop_write+0x4a4/0x5cc [ 65.295895][ T4169] vfs_write+0x280/0xa2c [ 65.297023][ T4169] ksys_write+0x120/0x210 [ 65.298199][ T4169] __arm64_sys_write+0x7c/0x90 [ 65.299479][ T4169] invoke_syscall+0x98/0x2b8 [ 65.300685][ T4169] el0_svc_common+0x138/0x258 [ 65.301988][ T4169] do_el0_svc+0x58/0x14c [ 65.303149][ T4169] el0_svc+0x78/0x1e0 [ 65.304239][ T4169] el0t_64_sync_handler+0xcc/0xe4 [ 65.305602][ T4169] el0t_64_sync+0x1a0/0x1a4