Warning: Permanently added '10.128.0.243' (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 [ 46.779471][ T4030] cgroup: Unknown subsys name 'net' [ 47.068039][ T4030] cgroup: Unknown subsys name 'rlimit' [ 47.439166][ T4030] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 52.476289][ T4083] chnl_net:caif_netlink_parms(): no params data found [ 52.574828][ T4083] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.576964][ T4083] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.579780][ T4083] device bridge_slave_0 entered promiscuous mode [ 52.584490][ T4083] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.586493][ T4083] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.589108][ T4083] device bridge_slave_1 entered promiscuous mode [ 52.606577][ T4083] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 52.611196][ T4083] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 52.628950][ T4083] team0: Port device team_slave_0 added [ 52.632892][ T4083] team0: Port device team_slave_1 added [ 52.645939][ T4083] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 52.647925][ T4083] 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. [ 52.655848][ T4083] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 52.660374][ T4083] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 52.662518][ T4083] 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. [ 52.669718][ T4083] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 52.725227][ T4083] device hsr_slave_0 entered promiscuous mode [ 52.772189][ T4083] device hsr_slave_1 entered promiscuous mode [ 52.897329][ T4083] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 52.934990][ T4083] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 53.014401][ T4083] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 53.106220][ T4083] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 53.209153][ T4083] 8021q: adding VLAN 0 to HW filter on device bond0 [ 53.217030][ T581] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 53.220533][ T581] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 53.227887][ T4083] 8021q: adding VLAN 0 to HW filter on device team0 [ 53.233489][ T581] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 53.236356][ T581] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 53.240422][ T581] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.242521][ T581] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.258378][ T581] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 53.261195][ T581] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 53.265664][ T581] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 53.268218][ T581] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.270189][ T581] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.272942][ T581] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 53.276010][ T581] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 53.280409][ T581] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 53.283722][ T581] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 53.301836][ T581] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 53.305148][ T581] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 53.308031][ T581] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 53.310802][ T581] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 53.313817][ T581] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 53.316599][ T581] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 53.320267][ T581] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 53.326054][ T4083] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 53.403113][ T581] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 53.405383][ T581] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 53.412560][ T4083] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 53.423838][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 53.439317][ T4083] device veth0_vlan entered promiscuous mode [ 53.445751][ T4083] device veth1_vlan entered promiscuous mode [ 53.453288][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 53.456632][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 53.459218][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 53.462053][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 53.464694][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 53.483981][ T4083] device veth0_macvtap entered promiscuous mode [ 53.488192][ T4083] device veth1_macvtap entered promiscuous mode [ 53.494487][ T581] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 53.497183][ T581] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 53.508099][ T4083] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 53.510290][ T581] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 53.513270][ T581] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 53.518973][ T4083] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 53.523345][ T581] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 53.526143][ T581] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 53.530462][ T4083] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.533379][ T4083] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.535781][ T4083] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.538173][ T4083] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.581158][ T148] ODEBUG: Out of memory. ODEBUG disabled [ 53.923640][ T581] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 53.925889][ T581] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 53.928544][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 53.942944][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 53.945178][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 53.947833][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:00:54 executed programs: 0 [ 54.471794][ T4119] chnl_net:caif_netlink_parms(): no params data found [ 54.500847][ T4119] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.503071][ T4119] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.505651][ T4119] device bridge_slave_0 entered promiscuous mode [ 54.508888][ T4119] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.510874][ T4119] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.514337][ T4119] device bridge_slave_1 entered promiscuous mode [ 54.527133][ T4119] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.531378][ T4119] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.549808][ T4119] team0: Port device team_slave_0 added [ 54.553134][ T4119] team0: Port device team_slave_1 added [ 54.564700][ T4119] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 54.566637][ T4119] 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. [ 54.574097][ T4119] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 54.578138][ T4119] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 54.580112][ T4119] 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. [ 54.587761][ T4119] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 54.684040][ T4119] device hsr_slave_0 entered promiscuous mode [ 54.752987][ T4119] device hsr_slave_1 entered promiscuous mode [ 54.811983][ T4119] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 54.814289][ T4119] Cannot create hsr debugfs directory [ 54.890653][ T4119] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 56.462677][ T4102] Bluetooth: hci0: command 0x0409 tx timeout [ 57.968527][ T4119] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 58.535688][ T4133] Bluetooth: hci0: command 0x041b tx timeout [ 59.097648][ T4119] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 59.148653][ T4119] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 59.316136][ T4119] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 59.355715][ T4119] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 59.404487][ T4119] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 59.453629][ T4119] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 59.550471][ T4119] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.557055][ T581] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.559535][ T581] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.566484][ T4119] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.572583][ T340] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.575287][ T340] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.577821][ T340] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.579695][ T340] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.583108][ T340] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.585796][ T340] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.588237][ T340] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.590137][ T340] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.592956][ T340] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.623958][ T340] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.628459][ T340] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.634118][ T340] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.637129][ T340] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.639809][ T340] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.646258][ T340] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.649422][ T340] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.654952][ T340] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.657514][ T340] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.662471][ T340] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.664995][ T340] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.668980][ T4119] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.738553][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.740715][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.748188][ T4119] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.758698][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 59.761378][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 59.774247][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 59.776878][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 59.779563][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 59.782060][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 59.784755][ T4119] device veth0_vlan entered promiscuous mode [ 59.790322][ T4119] device veth1_vlan entered promiscuous mode [ 59.803016][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 59.805636][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 59.808112][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 59.810762][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 59.815862][ T4119] device veth0_macvtap entered promiscuous mode [ 59.819588][ T4119] device veth1_macvtap entered promiscuous mode [ 59.828133][ T4119] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 59.831062][ T4119] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 59.835052][ T4119] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 59.838286][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 59.840893][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 59.845199][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 59.847852][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 59.850822][ T4119] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 59.854962][ T4119] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 59.858405][ T4119] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 59.860604][ T340] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 59.864616][ T340] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 59.886599][ T4119] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.888971][ T4119] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.891255][ T4119] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.894921][ T4119] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.925346][ T340] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 59.932218][ T340] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 59.937729][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 59.944988][ T340] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 59.947192][ T340] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 59.949738][ T340] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 60.105745][ T4140] [ 60.106475][ T4140] ====================================================== [ 60.108395][ T4140] WARNING: possible circular locking dependency detected [ 60.110258][ T4140] 5.15.184-syzkaller #0 Not tainted [ 60.111637][ T4140] ------------------------------------------------------ [ 60.113519][ T4140] syz.0.16/4140 is trying to acquire lock: [ 60.115057][ T4140] ffff0000e757cc28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xcc/0x1bc [ 60.118166][ T4140] [ 60.118166][ T4140] but task is already holding lock: [ 60.120170][ T4140] ffff8000164f7788 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x238/0x5cc [ 60.122798][ T4140] [ 60.122798][ T4140] which lock already depends on the new lock. [ 60.122798][ T4140] [ 60.125743][ T4140] [ 60.125743][ T4140] the existing dependency chain (in reverse order) is: [ 60.128226][ T4140] [ 60.128226][ T4140] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 60.130380][ T4140] __mutex_lock_common+0x194/0x1edc [ 60.131979][ T4140] mutex_lock_nested+0xac/0x11c [ 60.133480][ T4140] rfkill_register+0x44/0x77c [ 60.134904][ T4140] hci_register_dev+0x3d8/0x854 [ 60.136358][ T4140] vhci_create_device+0x2bc/0x564 [ 60.137892][ T4140] vhci_write+0x30c/0x3ac [ 60.139219][ T4140] vfs_write+0x7c8/0xa2c [ 60.140563][ T4140] ksys_write+0x120/0x210 [ 60.141887][ T4140] __arm64_sys_write+0x7c/0x90 [ 60.143276][ T4140] invoke_syscall+0x98/0x2b8 [ 60.144655][ T4140] el0_svc_common+0x138/0x258 [ 60.146038][ T4140] do_el0_svc+0x58/0x14c [ 60.147413][ T4140] el0_svc+0x78/0x1e0 [ 60.148604][ T4140] el0t_64_sync_handler+0xcc/0xe4 [ 60.150067][ T4140] el0t_64_sync+0x1a0/0x1a4 [ 60.151483][ T4140] [ 60.151483][ T4140] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 60.153644][ T4140] __mutex_lock_common+0x194/0x1edc [ 60.155217][ T4140] mutex_lock_nested+0xac/0x11c [ 60.156666][ T4140] vhci_send_frame+0x88/0x118 [ 60.158028][ T4140] hci_send_frame+0x194/0x2f0 [ 60.159457][ T4140] hci_tx_work+0x7e4/0x1394 [ 60.160790][ T4140] process_one_work+0x79c/0x1140 [ 60.162246][ T4140] worker_thread+0x8f4/0x101c [ 60.163704][ T4140] kthread+0x374/0x454 [ 60.164953][ T4140] ret_from_fork+0x10/0x20 [ 60.166290][ T4140] [ 60.166290][ T4140] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 60.168831][ T4140] __flush_work+0xf4/0x1bc [ 60.170144][ T4140] flush_work+0x24/0x38 [ 60.171430][ T4140] hci_dev_do_close+0x164/0x105c [ 60.172927][ T4140] hci_unregister_dev+0x23c/0x4c0 [ 60.174395][ T4140] vhci_release+0x74/0xc4 [ 60.175743][ T4140] __fput+0x1c0/0x7f8 [ 60.176921][ T4140] ____fput+0x20/0x30 [ 60.178134][ T4140] task_work_run+0x12c/0x1e0 [ 60.179522][ T4140] do_exit+0x67c/0x1f58 [ 60.180783][ T4140] do_group_exit+0x100/0x268 [ 60.182197][ T4140] get_signal+0x73c/0x1340 [ 60.183542][ T4140] do_notify_resume+0x35c/0x3128 [ 60.185016][ T4140] el0_svc+0xf0/0x1e0 [ 60.186249][ T4140] el0t_64_sync_handler+0xcc/0xe4 [ 60.187791][ T4140] el0t_64_sync+0x1a0/0x1a4 [ 60.189127][ T4140] [ 60.189127][ T4140] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 60.191257][ T4140] __mutex_lock_common+0x194/0x1edc [ 60.192823][ T4140] mutex_lock_nested+0xac/0x11c [ 60.194298][ T4140] bg_scan_update+0x48/0x3d0 [ 60.195666][ T4140] process_one_work+0x79c/0x1140 [ 60.197207][ T4140] worker_thread+0x8f4/0x101c [ 60.198619][ T4140] kthread+0x374/0x454 [ 60.199874][ T4140] ret_from_fork+0x10/0x20 [ 60.201193][ T4140] [ 60.201193][ T4140] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 60.203911][ T4140] __lock_acquire+0x2928/0x651c [ 60.205362][ T4140] lock_acquire+0x1f4/0x620 [ 60.206723][ T4140] __flush_work+0xf4/0x1bc [ 60.208011][ T4140] __cancel_work_timer+0x2ec/0x448 [ 60.209527][ T4140] cancel_work_sync+0x24/0x38 [ 60.210959][ T4140] hci_request_cancel_all+0xbc/0x2d0 [ 60.212535][ T4140] hci_dev_do_close+0x54/0x105c [ 60.214038][ T4140] hci_rfkill_set_block+0xdc/0x1d0 [ 60.215570][ T4140] rfkill_set_block+0x18c/0x374 [ 60.217015][ T4140] rfkill_fop_write+0x4a4/0x5cc [ 60.218485][ T4140] vfs_write+0x280/0xa2c [ 60.219796][ T4140] ksys_write+0x120/0x210 [ 60.221056][ T4140] __arm64_sys_write+0x7c/0x90 [ 60.222505][ T4140] invoke_syscall+0x98/0x2b8 [ 60.223901][ T4140] el0_svc_common+0x138/0x258 [ 60.225335][ T4140] do_el0_svc+0x58/0x14c [ 60.226630][ T4140] el0_svc+0x78/0x1e0 [ 60.227843][ T4140] el0t_64_sync_handler+0xcc/0xe4 [ 60.229319][ T4140] el0t_64_sync+0x1a0/0x1a4 [ 60.230688][ T4140] [ 60.230688][ T4140] other info that might help us debug this: [ 60.230688][ T4140] [ 60.233523][ T4140] Chain exists of: [ 60.233523][ T4140] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 60.233523][ T4140] [ 60.237818][ T4140] Possible unsafe locking scenario: [ 60.237818][ T4140] [ 60.239865][ T4140] CPU0 CPU1 [ 60.241344][ T4140] ---- ---- [ 60.242810][ T4140] lock(rfkill_global_mutex); [ 60.244135][ T4140] lock(&data->open_mutex); [ 60.246062][ T4140] lock(rfkill_global_mutex); [ 60.248120][ T4140] lock((work_completion)(&hdev->bg_scan_update)); [ 60.249926][ T4140] [ 60.249926][ T4140] *** DEADLOCK *** [ 60.249926][ T4140] [ 60.252230][ T4140] 1 lock held by syz.0.16/4140: [ 60.253521][ T4140] #0: ffff8000164f7788 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x238/0x5cc [ 60.256252][ T4140] [ 60.256252][ T4140] stack backtrace: [ 60.257888][ T4140] CPU: 1 PID: 4140 Comm: syz.0.16 Not tainted 5.15.184-syzkaller #0 [ 60.260077][ T4140] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 60.262846][ T4140] Call trace: [ 60.263732][ T4140] dump_backtrace+0x0/0x43c [ 60.264990][ T4140] show_stack+0x2c/0x3c [ 60.266111][ T4140] __dump_stack+0x30/0x40 [ 60.267274][ T4140] dump_stack_lvl+0xf8/0x160 [ 60.268560][ T4140] dump_stack+0x1c/0x5c [ 60.269727][ T4140] print_circular_bug+0x148/0x1b0 [ 60.271085][ T4140] check_noncircular+0x240/0x2d4 [ 60.272481][ T4140] __lock_acquire+0x2928/0x651c [ 60.273833][ T4140] lock_acquire+0x1f4/0x620 [ 60.275078][ T4140] __flush_work+0xf4/0x1bc [ 60.276275][ T4140] __cancel_work_timer+0x2ec/0x448 [ 60.277660][ T4140] cancel_work_sync+0x24/0x38 [ 60.278912][ T4140] hci_request_cancel_all+0xbc/0x2d0 [ 60.280346][ T4140] hci_dev_do_close+0x54/0x105c [ 60.281705][ T4140] hci_rfkill_set_block+0xdc/0x1d0 [ 60.283104][ T4140] rfkill_set_block+0x18c/0x374 [ 60.284484][ T4140] rfkill_fop_write+0x4a4/0x5cc [ 60.285826][ T4140] vfs_write+0x280/0xa2c [ 60.286964][ T4140] ksys_write+0x120/0x210 [ 60.288177][ T4140] __arm64_sys_write+0x7c/0x90 [ 60.289479][ T4140] invoke_syscall+0x98/0x2b8 [ 60.290765][ T4140] el0_svc_common+0x138/0x258 [ 60.292020][ T4140] do_el0_svc+0x58/0x14c [ 60.293200][ T4140] el0_svc+0x78/0x1e0 [ 60.294303][ T4140] el0t_64_sync_handler+0xcc/0xe4 [ 60.295720][ T4140] el0t_64_sync+0x1a0/0x1a4