Warning: Permanently added '10.128.1.166' (ED25519) to the list of known hosts. 1970/01/01 00:00:44 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:00:45 parsed 1 programs [ 47.758507][ T4040] cgroup: Unknown subsys name 'net' [ 48.005409][ T4040] cgroup: Unknown subsys name 'rlimit' [ 48.359678][ T4040] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 54.930826][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 54.932221][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 54.934478][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 54.954676][ T291] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 54.955910][ T291] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 54.957760][ T291] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 56.090949][ T4093] chnl_net:caif_netlink_parms(): no params data found [ 56.135587][ T4093] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.136825][ T4093] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.139267][ T4093] device bridge_slave_0 entered promiscuous mode [ 56.143825][ T4093] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.145137][ T4093] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.146986][ T4093] device bridge_slave_1 entered promiscuous mode [ 56.164409][ T4093] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.167783][ T4093] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.183838][ T4093] team0: Port device team_slave_0 added [ 56.186630][ T4093] team0: Port device team_slave_1 added [ 56.201492][ T4093] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 56.202774][ T4093] 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. [ 56.206633][ T4093] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 56.211062][ T4093] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 56.212185][ T4093] 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. [ 56.215904][ T4093] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 56.280409][ T4093] device hsr_slave_0 entered promiscuous mode [ 56.329669][ T4093] device hsr_slave_1 entered promiscuous mode [ 56.453210][ T4093] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 56.511270][ T4093] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 56.550384][ T4093] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 56.612217][ T4093] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 56.671757][ T4093] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.672878][ T4093] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.674438][ T4093] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.675615][ T4093] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.719603][ T4093] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.731287][ T4093] 8021q: adding VLAN 0 to HW filter on device team0 [ 56.732695][ T557] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.735707][ T557] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.741428][ T557] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.743676][ T557] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 56.752146][ T557] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.754756][ T557] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.755843][ T557] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.761911][ T557] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.763761][ T557] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.764819][ T557] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.782795][ T557] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 56.784679][ T557] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 56.792380][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 56.797111][ T557] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 56.804027][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 56.808045][ T4093] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 56.901929][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 56.903148][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 56.909403][ T4093] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 56.922212][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 56.937214][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 56.940225][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 56.941823][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 56.945739][ T4093] device veth0_vlan entered promiscuous mode [ 56.973432][ T4093] device veth1_vlan entered promiscuous mode [ 56.989480][ T291] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 56.991379][ T291] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 56.993417][ T291] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 57.000378][ T4093] device veth0_macvtap entered promiscuous mode [ 57.004639][ T4093] device veth1_macvtap entered promiscuous mode [ 57.016224][ T4093] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 57.017756][ T291] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 57.022237][ T291] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 57.031173][ T4093] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 57.032721][ T291] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 57.036740][ T4093] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.038904][ T4093] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.040350][ T4093] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.041641][ T4093] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:57 executed programs: 0 [ 57.829448][ T4146] chnl_net:caif_netlink_parms(): no params data found [ 57.895566][ T4146] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.896676][ T4146] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.898841][ T4146] device bridge_slave_0 entered promiscuous mode [ 57.902876][ T4146] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.903948][ T4146] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.905761][ T4146] device bridge_slave_1 entered promiscuous mode [ 57.922697][ T4146] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.926059][ T4146] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.946432][ T4146] team0: Port device team_slave_0 added [ 57.950376][ T4146] team0: Port device team_slave_1 added [ 57.964019][ T4146] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 57.965064][ T4146] 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. [ 57.969802][ T4146] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 57.973037][ T4146] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 57.974267][ T4146] 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. [ 57.978154][ T4146] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 58.040194][ T4146] device hsr_slave_0 entered promiscuous mode [ 58.078320][ T4146] device hsr_slave_1 entered promiscuous mode [ 58.118110][ T4146] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 58.119795][ T4146] Cannot create hsr debugfs directory [ 58.193446][ T4146] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 59.778667][ T4058] Bluetooth: hci0: command 0x0409 tx timeout [ 60.665823][ T4146] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 61.858315][ T4058] Bluetooth: hci0: command 0x041b tx timeout [ 62.495854][ T4146] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 62.569233][ T4146] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 62.752937][ T4146] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 62.780809][ T4146] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 62.831034][ T4146] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 62.869991][ T4146] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 62.972558][ T4146] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.981735][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.983565][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.987706][ T4146] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.994166][ T557] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.996198][ T557] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.000944][ T557] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.001960][ T557] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.004267][ T557] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.008725][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.010560][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.012200][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.013405][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.019545][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.024092][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.039579][ T4146] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 63.041301][ T4146] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 63.044610][ T557] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.046905][ T557] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.048950][ T557] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.052177][ T557] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.054928][ T557] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.056778][ T557] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.059985][ T557] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.061719][ T557] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.063629][ T557] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.065697][ T557] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.376336][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 63.377672][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.393816][ T4146] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.406664][ T557] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 63.410694][ T557] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 63.422886][ T557] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 63.424614][ T557] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 63.426449][ T557] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 63.430252][ T557] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 63.433667][ T4146] device veth0_vlan entered promiscuous mode [ 63.441488][ T4146] device veth1_vlan entered promiscuous mode [ 63.459819][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 63.461639][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 63.464192][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 63.466044][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 63.474870][ T4146] device veth0_macvtap entered promiscuous mode [ 63.479098][ T4146] device veth1_macvtap entered promiscuous mode [ 63.487537][ T4146] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 63.489830][ T4146] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 63.492390][ T4146] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 63.493529][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 63.495470][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 63.497128][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 63.499421][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 63.503403][ T4146] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 63.504879][ T4146] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 63.507120][ T4146] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 63.511401][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 63.513756][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 63.516245][ T4146] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.517633][ T4146] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.520046][ T4146] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.521369][ T4146] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.566929][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 63.573153][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 63.577250][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 63.585598][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 63.586983][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 63.589824][ T291] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 63.672173][ T4164] [ 63.672514][ T4164] ====================================================== [ 63.673651][ T4164] WARNING: possible circular locking dependency detected [ 63.674847][ T4164] 5.15.189-syzkaller #0 Not tainted [ 63.675623][ T4164] ------------------------------------------------------ [ 63.676668][ T4164] syz.0.17/4164 is trying to acquire lock: [ 63.677483][ T4164] ffff0000d04b4c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xcc/0x1bc [ 63.679299][ T4164] [ 63.679299][ T4164] but task is already holding lock: [ 63.680354][ T4164] ffff80001651bc28 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x238/0x5cc [ 63.682010][ T4164] [ 63.682010][ T4164] which lock already depends on the new lock. [ 63.682010][ T4164] [ 63.683748][ T4164] [ 63.683748][ T4164] the existing dependency chain (in reverse order) is: [ 63.685264][ T4164] [ 63.685264][ T4164] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 63.686506][ T4164] __mutex_lock_common+0x194/0x1edc [ 63.687348][ T4164] mutex_lock_nested+0xac/0x11c [ 63.688125][ T4164] rfkill_register+0x44/0x77c [ 63.688969][ T4164] hci_register_dev+0x3d8/0x854 [ 63.689957][ T4164] vhci_create_device+0x2bc/0x564 [ 63.690787][ T4164] vhci_write+0x30c/0x3ac [ 63.691661][ T4164] vfs_write+0x7c8/0xa2c [ 63.692431][ T4164] ksys_write+0x120/0x210 [ 63.693121][ T4164] __arm64_sys_write+0x7c/0x90 [ 63.694015][ T4164] invoke_syscall+0x98/0x2b8 [ 63.694834][ T4164] el0_svc_common+0x138/0x258 [ 63.695644][ T4164] do_el0_svc+0x58/0x14c [ 63.696422][ T4164] el0_svc+0x78/0x1e0 [ 63.697226][ T4164] el0t_64_sync_handler+0xcc/0xe4 [ 63.698060][ T4164] el0t_64_sync+0x1a0/0x1a4 [ 63.698819][ T4164] [ 63.698819][ T4164] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 63.700177][ T4164] __mutex_lock_common+0x194/0x1edc [ 63.701149][ T4164] mutex_lock_nested+0xac/0x11c [ 63.702088][ T4164] vhci_send_frame+0x88/0x118 [ 63.702930][ T4164] hci_send_frame+0x194/0x2f0 [ 63.703709][ T4164] hci_tx_work+0x7e4/0x1394 [ 63.704461][ T4164] process_one_work+0x79c/0x1140 [ 63.705308][ T4164] worker_thread+0x8f4/0x101c [ 63.706122][ T4164] kthread+0x374/0x454 [ 63.706944][ T4164] ret_from_fork+0x10/0x20 [ 63.707804][ T4164] [ 63.707804][ T4164] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 63.709246][ T4164] __flush_work+0xf4/0x1bc [ 63.710205][ T4164] flush_work+0x24/0x38 [ 63.710973][ T4164] hci_dev_do_close+0x164/0x105c [ 63.711757][ T4164] hci_unregister_dev+0x23c/0x4c0 [ 63.712624][ T4164] vhci_release+0x74/0xc4 [ 63.713573][ T4164] __fput+0x1c0/0x7f8 [ 63.714310][ T4164] ____fput+0x20/0x30 [ 63.715021][ T4164] task_work_run+0x12c/0x1e0 [ 63.715792][ T4164] do_exit+0x684/0x1f58 [ 63.716495][ T4164] do_group_exit+0x100/0x268 [ 63.717259][ T4164] get_signal+0x73c/0x1340 [ 63.718094][ T4164] do_notify_resume+0x35c/0x3128 [ 63.719054][ T4164] el0_svc+0xf0/0x1e0 [ 63.719796][ T4164] el0t_64_sync_handler+0xcc/0xe4 [ 63.720674][ T4164] el0t_64_sync+0x1a0/0x1a4 [ 63.721471][ T4164] [ 63.721471][ T4164] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 63.722722][ T4164] __mutex_lock_common+0x194/0x1edc [ 63.723621][ T4164] mutex_lock_nested+0xac/0x11c [ 63.724482][ T4164] bg_scan_update+0x48/0x3d0 [ 63.725270][ T4164] process_one_work+0x79c/0x1140 [ 63.726304][ T4164] worker_thread+0x8f4/0x101c [ 63.727248][ T4164] kthread+0x374/0x454 [ 63.728143][ T4164] ret_from_fork+0x10/0x20 [ 63.729024][ T4164] [ 63.729024][ T4164] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 63.730694][ T4164] __lock_acquire+0x2928/0x651c [ 63.731531][ T4164] lock_acquire+0x1f4/0x620 [ 63.732236][ T4164] __flush_work+0xf4/0x1bc [ 63.733079][ T4164] __cancel_work_timer+0x2ec/0x448 [ 63.733948][ T4164] cancel_work_sync+0x24/0x38 [ 63.734830][ T4164] hci_request_cancel_all+0xbc/0x2d0 [ 63.735741][ T4164] hci_dev_do_close+0x54/0x105c [ 63.736586][ T4164] hci_rfkill_set_block+0xdc/0x1d0 [ 63.737546][ T4164] rfkill_set_block+0x18c/0x374 [ 63.738337][ T4164] rfkill_fop_write+0x4a4/0x5cc [ 63.739189][ T4164] do_iter_write+0x348/0x670 [ 63.739966][ T4164] do_writev+0x1e0/0x380 [ 63.740733][ T4164] __arm64_sys_writev+0x80/0x94 [ 63.741603][ T4164] invoke_syscall+0x98/0x2b8 [ 63.742310][ T4164] el0_svc_common+0x138/0x258 [ 63.743022][ T4164] do_el0_svc+0x58/0x14c [ 63.743694][ T4164] el0_svc+0x78/0x1e0 [ 63.744389][ T4164] el0t_64_sync_handler+0xcc/0xe4 [ 63.745238][ T4164] el0t_64_sync+0x1a0/0x1a4 [ 63.745987][ T4164] [ 63.745987][ T4164] other info that might help us debug this: [ 63.745987][ T4164] [ 63.747571][ T4164] Chain exists of: [ 63.747571][ T4164] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 63.747571][ T4164] [ 63.749946][ T4164] Possible unsafe locking scenario: [ 63.749946][ T4164] [ 63.751003][ T4164] CPU0 CPU1 [ 63.751809][ T4164] ---- ---- [ 63.752693][ T4164] lock(rfkill_global_mutex); [ 63.753585][ T4164] lock(&data->open_mutex); [ 63.754618][ T4164] lock(rfkill_global_mutex); [ 63.755704][ T4164] lock((work_completion)(&hdev->bg_scan_update)); [ 63.756688][ T4164] [ 63.756688][ T4164] *** DEADLOCK *** [ 63.756688][ T4164] [ 63.757920][ T4164] 1 lock held by syz.0.17/4164: [ 63.758634][ T4164] #0: ffff80001651bc28 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x238/0x5cc [ 63.760272][ T4164] [ 63.760272][ T4164] stack backtrace: [ 63.761285][ T4164] CPU: 1 PID: 4164 Comm: syz.0.17 Not tainted 5.15.189-syzkaller #0 [ 63.762590][ T4164] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 63.764143][ T4164] Call trace: [ 63.764622][ T4164] dump_backtrace+0x0/0x43c [ 63.765361][ T4164] show_stack+0x2c/0x3c [ 63.766037][ T4164] __dump_stack+0x30/0x40 [ 63.766706][ T4164] dump_stack_lvl+0xf8/0x160 [ 63.767430][ T4164] dump_stack+0x1c/0x5c [ 63.768050][ T4164] print_circular_bug+0x148/0x1b0 [ 63.768808][ T4164] check_noncircular+0x240/0x2d4 [ 63.769720][ T4164] __lock_acquire+0x2928/0x651c [ 63.770505][ T4164] lock_acquire+0x1f4/0x620 [ 63.771231][ T4164] __flush_work+0xf4/0x1bc [ 63.771907][ T4164] __cancel_work_timer+0x2ec/0x448 [ 63.772810][ T4164] cancel_work_sync+0x24/0x38 [ 63.773541][ T4164] hci_request_cancel_all+0xbc/0x2d0 [ 63.774401][ T4164] hci_dev_do_close+0x54/0x105c [ 63.775268][ T4164] hci_rfkill_set_block+0xdc/0x1d0 [ 63.776022][ T4164] rfkill_set_block+0x18c/0x374 [ 63.776771][ T4164] rfkill_fop_write+0x4a4/0x5cc [ 63.777478][ T4164] do_iter_write+0x348/0x670 [ 63.778350][ T4164] do_writev+0x1e0/0x380 [ 63.779115][ T4164] __arm64_sys_writev+0x80/0x94 [ 63.779969][ T4164] invoke_syscall+0x98/0x2b8 [ 63.780852][ T4164] el0_svc_common+0x138/0x258 [ 63.781690][ T4164] do_el0_svc+0x58/0x14c [ 63.782267][ T4164] el0_svc+0x78/0x1e0 [ 63.782875][ T4164] el0t_64_sync_handler+0xcc/0xe4 [ 63.783788][ T4164] el0t_64_sync+0x1a0/0x1a4