Warning: Permanently added '10.128.0.249' (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 [ 49.973425][ T4028] cgroup: Unknown subsys name 'net' [ 50.223570][ T4028] cgroup: Unknown subsys name 'rlimit' [ 50.576794][ T4028] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 62.788134][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 62.790261][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 62.792997][ T1077] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 62.817620][ T300] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 62.819568][ T300] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 62.822353][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 63.772442][ T4080] chnl_net:caif_netlink_parms(): no params data found [ 63.814271][ T4080] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.816129][ T4080] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.820377][ T4080] device bridge_slave_0 entered promiscuous mode [ 63.825327][ T4080] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.827349][ T4080] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.829838][ T4080] device bridge_slave_1 entered promiscuous mode [ 63.847952][ T4080] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.852493][ T4080] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.871434][ T4080] team0: Port device team_slave_0 added [ 63.874850][ T4080] team0: Port device team_slave_1 added [ 63.889674][ T4080] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 63.891472][ T4080] 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. [ 63.899229][ T4080] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 63.903772][ T4080] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 63.905477][ T4080] 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. [ 63.912258][ T4080] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 63.979639][ T4080] device hsr_slave_0 entered promiscuous mode [ 64.029151][ T4080] device hsr_slave_1 entered promiscuous mode [ 64.159434][ T4080] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 64.200844][ T4080] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 64.241784][ T4080] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 64.287690][ T4080] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 64.350445][ T4080] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.352424][ T4080] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.354861][ T4080] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.356739][ T4080] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.404458][ T4080] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.416629][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.422343][ T300] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.425206][ T300] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.429653][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 64.438245][ T4080] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.448980][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.451343][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.453123][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.455235][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.458534][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.460367][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.474865][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.477930][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.484838][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.492925][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.499079][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.505391][ T4080] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.591158][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 64.593237][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 64.601758][ T4080] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.616392][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 64.630965][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 64.633690][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 64.635990][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 64.640860][ T4080] device veth0_vlan entered promiscuous mode [ 64.652089][ T4080] device veth1_vlan entered promiscuous mode [ 64.669603][ T1077] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 64.672439][ T1077] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 64.675016][ T1077] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 64.681525][ T4080] device veth0_macvtap entered promiscuous mode [ 64.686093][ T4080] device veth1_macvtap entered promiscuous mode [ 64.699230][ T4080] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 64.701304][ T1077] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 64.704466][ T1077] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 64.713613][ T4080] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 64.715937][ T1077] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 64.722357][ T4080] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.724541][ T4080] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.726718][ T4080] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.729708][ T4080] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:01:05 executed programs: 0 [ 65.405448][ T4117] chnl_net:caif_netlink_parms(): no params data found [ 65.441483][ T4117] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.443336][ T4117] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.445755][ T4117] device bridge_slave_0 entered promiscuous mode [ 65.451615][ T4117] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.453423][ T4117] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.455956][ T4117] device bridge_slave_1 entered promiscuous mode [ 65.473859][ T4117] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.478157][ T4117] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.492923][ T4117] team0: Port device team_slave_0 added [ 65.497917][ T4117] team0: Port device team_slave_1 added [ 65.511338][ T4117] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 65.513159][ 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. [ 65.520155][ T4117] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 65.524251][ T4117] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 65.525996][ 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. [ 65.532671][ T4117] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 65.589263][ T4117] device hsr_slave_0 entered promiscuous mode [ 65.637575][ T4117] device hsr_slave_1 entered promiscuous mode [ 65.678050][ T4117] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.680220][ T4117] Cannot create hsr debugfs directory [ 65.745315][ T4117] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 67.317966][ T4041] Bluetooth: hci0: command 0x0409 tx timeout [ 68.185214][ T4117] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 69.387276][ T1534] Bluetooth: hci0: command 0x041b tx timeout [ 69.629695][ T21] cfg80211: failed to load regulatory.db [ 69.629874][ T2057] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.633244][ T2057] ieee802154 phy1 wpan1: encryption failed: -22 [ 70.304297][ T4117] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 70.378429][ T4117] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 70.622864][ T4117] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 70.679695][ T4117] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 70.719318][ T4117] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 70.769775][ T4117] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 70.871631][ T4117] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.882844][ T1077] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.885169][ T1077] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.892135][ T4117] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.897254][ T1555] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.899776][ T1555] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.902200][ T1555] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.904045][ T1555] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.906907][ T1555] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.913552][ T1555] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.916218][ T1555] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.919178][ T1555] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.920937][ T1555] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.938642][ T1077] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.944236][ T1077] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.949947][ T1077] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.953422][ T1077] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.956275][ T1077] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.965645][ T1077] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.969619][ T1077] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.973894][ T1077] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.976544][ T1077] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.982364][ T1077] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.985206][ T1077] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.992173][ T4117] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.068264][ T1555] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.070491][ T1555] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.087057][ T4117] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.102839][ T1555] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 71.105526][ T1555] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 71.140911][ T4117] device veth0_vlan entered promiscuous mode [ 71.149082][ T1077] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 71.151757][ T1077] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 71.155470][ T1077] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 71.158815][ T1077] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 71.165716][ T4117] device veth1_vlan entered promiscuous mode [ 71.181380][ T1555] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 71.184182][ T1555] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 71.186722][ T1555] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 71.194746][ T1555] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 71.200411][ T4117] device veth0_macvtap entered promiscuous mode [ 71.205097][ T4117] device veth1_macvtap entered promiscuous mode [ 71.477369][ T13] Bluetooth: hci0: command 0x040f tx timeout [ 71.546021][ T4117] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 71.549413][ T4117] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 71.553037][ T4117] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 71.555198][ T1693] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 71.558741][ T1693] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 71.563684][ T4117] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 71.566579][ T4117] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 71.570440][ T4117] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 71.572502][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 71.575224][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 71.582732][ T4117] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.585269][ T4117] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.589984][ T4117] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.592306][ T4117] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.645477][ T1077] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 71.648445][ T1077] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 71.651680][ T1077] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 71.665960][ T1077] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 71.668428][ T1077] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 71.671507][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 71.766607][ T4129] [ 71.767295][ T4129] ====================================================== [ 71.769276][ T4129] WARNING: possible circular locking dependency detected [ 71.771319][ T4129] 5.15.179-syzkaller #0 Not tainted [ 71.772700][ T4129] ------------------------------------------------------ [ 71.774586][ T4129] syz.0.16/4129 is trying to acquire lock: [ 71.776143][ T4129] ffff0000d7444c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xd0/0x1c0 [ 71.779117][ T4129] [ 71.779117][ T4129] but task is already holding lock: [ 71.781203][ T4129] ffff800016f3ae48 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 71.783851][ T4129] [ 71.783851][ T4129] which lock already depends on the new lock. [ 71.783851][ T4129] [ 71.786583][ T4129] [ 71.786583][ T4129] the existing dependency chain (in reverse order) is: [ 71.789088][ T4129] [ 71.789088][ T4129] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 71.791279][ T4129] __mutex_lock_common+0x194/0x2154 [ 71.792837][ T4129] mutex_lock_nested+0xa4/0xf8 [ 71.794287][ T4129] rfkill_register+0x44/0x7a4 [ 71.795696][ T4129] hci_register_dev+0x3e0/0x880 [ 71.797099][ T4129] vhci_create_device+0x2c4/0x568 [ 71.798567][ T4129] vhci_write+0x318/0x3b8 [ 71.799811][ T4129] vfs_write+0x884/0xb44 [ 71.801017][ T4129] ksys_write+0x15c/0x26c [ 71.802327][ T4129] __arm64_sys_write+0x7c/0x90 [ 71.803730][ T4129] invoke_syscall+0x98/0x2b8 [ 71.805000][ T4129] el0_svc_common+0x138/0x258 [ 71.806383][ T4129] do_el0_svc+0x58/0x14c [ 71.807633][ T4129] el0_svc+0x7c/0x1f0 [ 71.808859][ T4129] el0t_64_sync_handler+0x84/0xe4 [ 71.810412][ T4129] el0t_64_sync+0x1a0/0x1a4 [ 71.811750][ T4129] [ 71.811750][ T4129] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 71.813985][ T4129] __mutex_lock_common+0x194/0x2154 [ 71.815453][ T4129] mutex_lock_nested+0xa4/0xf8 [ 71.816859][ T4129] vhci_send_frame+0x8c/0x10c [ 71.818319][ T4129] hci_send_frame+0x194/0x2f0 [ 71.819745][ T4129] hci_tx_work+0x9ac/0x16cc [ 71.821043][ T4129] process_one_work+0x790/0x11b8 [ 71.822514][ T4129] worker_thread+0x910/0x1034 [ 71.823939][ T4129] kthread+0x37c/0x45c [ 71.825204][ T4129] ret_from_fork+0x10/0x20 [ 71.826517][ T4129] [ 71.826517][ T4129] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 71.828986][ T4129] __flush_work+0xf8/0x1c0 [ 71.830291][ T4129] flush_work+0x24/0x38 [ 71.831474][ T4129] hci_dev_do_close+0x16c/0x1060 [ 71.832947][ T4129] hci_unregister_dev+0x248/0x4d4 [ 71.834571][ T4129] vhci_release+0x74/0xc4 [ 71.835891][ T4129] __fput+0x1c4/0x800 [ 71.837101][ T4129] ____fput+0x20/0x30 [ 71.838290][ T4129] task_work_run+0x130/0x1e4 [ 71.839645][ T4129] do_exit+0x670/0x20bc [ 71.840928][ T4129] do_group_exit+0x110/0x268 [ 71.842286][ T4129] get_signal+0x634/0x1550 [ 71.843507][ T4129] do_notify_resume+0x3d0/0x32b8 [ 71.844949][ T4129] el0_svc+0xfc/0x1f0 [ 71.846071][ T4129] el0t_64_sync_handler+0x84/0xe4 [ 71.847594][ T4129] el0t_64_sync+0x1a0/0x1a4 [ 71.849074][ T4129] [ 71.849074][ T4129] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 71.851277][ T4129] __mutex_lock_common+0x194/0x2154 [ 71.852754][ T4129] mutex_lock_nested+0xa4/0xf8 [ 71.854275][ T4129] bg_scan_update+0x9c/0x470 [ 71.855642][ T4129] process_one_work+0x790/0x11b8 [ 71.857111][ T4129] worker_thread+0x910/0x1034 [ 71.858546][ T4129] kthread+0x37c/0x45c [ 71.859682][ T4129] ret_from_fork+0x10/0x20 [ 71.860884][ T4129] [ 71.860884][ T4129] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 71.863337][ T4129] __lock_acquire+0x32d4/0x7638 [ 71.864696][ T4129] lock_acquire+0x240/0x77c [ 71.865903][ T4129] __flush_work+0xf8/0x1c0 [ 71.867189][ T4129] __cancel_work_timer+0x3ec/0x548 [ 71.868642][ T4129] cancel_work_sync+0x24/0x38 [ 71.870020][ T4129] hci_request_cancel_all+0xcc/0x2d0 [ 71.871643][ T4129] hci_dev_do_close+0x54/0x1060 [ 71.872998][ T4129] hci_rfkill_set_block+0xdc/0x1d0 [ 71.874604][ T4129] rfkill_set_block+0x18c/0x37c [ 71.876097][ T4129] rfkill_fop_write+0x594/0x750 [ 71.877448][ T4129] vfs_write+0x280/0xb44 [ 71.878869][ T4129] ksys_write+0x15c/0x26c [ 71.880017][ T4129] __arm64_sys_write+0x7c/0x90 [ 71.881252][ T4129] invoke_syscall+0x98/0x2b8 [ 71.882480][ T4129] el0_svc_common+0x138/0x258 [ 71.883821][ T4129] do_el0_svc+0x58/0x14c [ 71.885046][ T4129] el0_svc+0x7c/0x1f0 [ 71.886354][ T4129] el0t_64_sync_handler+0x84/0xe4 [ 71.887704][ T4129] el0t_64_sync+0x1a0/0x1a4 [ 71.889019][ T4129] [ 71.889019][ T4129] other info that might help us debug this: [ 71.889019][ T4129] [ 71.891686][ T4129] Chain exists of: [ 71.891686][ T4129] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 71.891686][ T4129] [ 71.895457][ T4129] Possible unsafe locking scenario: [ 71.895457][ T4129] [ 71.897285][ T4129] CPU0 CPU1 [ 71.898554][ T4129] ---- ---- [ 71.899933][ T4129] lock(rfkill_global_mutex); [ 71.901224][ T4129] lock(&data->open_mutex); [ 71.903156][ T4129] lock(rfkill_global_mutex); [ 71.904933][ T4129] lock((work_completion)(&hdev->bg_scan_update)); [ 71.906697][ T4129] [ 71.906697][ T4129] *** DEADLOCK *** [ 71.906697][ T4129] [ 71.908850][ T4129] 1 lock held by syz.0.16/4129: [ 71.910202][ T4129] #0: ffff800016f3ae48 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 71.912867][ T4129] [ 71.912867][ T4129] stack backtrace: [ 71.914455][ T4129] CPU: 1 PID: 4129 Comm: syz.0.16 Not tainted 5.15.179-syzkaller #0 [ 71.916514][ T4129] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 71.919142][ T4129] Call trace: [ 71.919879][ T4129] dump_backtrace+0x0/0x530 [ 71.921128][ T4129] show_stack+0x2c/0x3c [ 71.922240][ T4129] dump_stack_lvl+0x108/0x170 [ 71.923395][ T4129] dump_stack+0x1c/0x58 [ 71.924450][ T4129] print_circular_bug+0x150/0x1b8 [ 71.925835][ T4129] check_noncircular+0x2cc/0x378 [ 71.927035][ T4129] __lock_acquire+0x32d4/0x7638 [ 71.928287][ T4129] lock_acquire+0x240/0x77c [ 71.929342][ T4129] __flush_work+0xf8/0x1c0 [ 71.930497][ T4129] __cancel_work_timer+0x3ec/0x548 [ 71.931823][ T4129] cancel_work_sync+0x24/0x38 [ 71.933072][ T4129] hci_request_cancel_all+0xcc/0x2d0 [ 71.934527][ T4129] hci_dev_do_close+0x54/0x1060 [ 71.935817][ T4129] hci_rfkill_set_block+0xdc/0x1d0 [ 71.937215][ T4129] rfkill_set_block+0x18c/0x37c [ 71.938474][ T4129] rfkill_fop_write+0x594/0x750 [ 71.939679][ T4129] vfs_write+0x280/0xb44 [ 71.940817][ T4129] ksys_write+0x15c/0x26c [ 71.941879][ T4129] __arm64_sys_write+0x7c/0x90 [ 71.943162][ T4129] invoke_syscall+0x98/0x2b8 [ 71.944388][ T4129] el0_svc_common+0x138/0x258 [ 71.945576][ T4129] do_el0_svc+0x58/0x14c [ 71.946660][ T4129] el0_svc+0x7c/0x1f0 [ 71.947743][ T4129] el0t_64_sync_handler+0x84/0xe4 [ 71.949078][ T4129] el0t_64_sync+0x1a0/0x1a4