Warning: Permanently added '10.128.0.204' (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 [ 49.689768][ T4028] cgroup: Unknown subsys name 'net' [ 50.022755][ T4028] cgroup: Unknown subsys name 'rlimit' [ 50.373053][ T4028] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 58.649594][ T4051] chnl_net:caif_netlink_parms(): no params data found [ 58.694735][ T4051] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.696692][ T4051] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.699765][ T4051] device bridge_slave_0 entered promiscuous mode [ 58.704096][ T4051] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.705817][ T4051] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.708252][ T4051] device bridge_slave_1 entered promiscuous mode [ 58.727682][ T4051] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.732708][ T4051] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.748184][ T4051] team0: Port device team_slave_0 added [ 58.751230][ T4051] team0: Port device team_slave_1 added [ 58.765398][ T4051] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 58.767288][ T4051] 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. [ 58.773510][ T4051] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 58.783058][ T4051] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 58.784739][ T4051] 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. [ 58.790832][ T4051] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 58.869025][ T4051] device hsr_slave_0 entered promiscuous mode [ 58.907110][ T4051] device hsr_slave_1 entered promiscuous mode [ 59.048839][ T4051] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 59.101042][ T4051] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 59.141455][ T4051] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 59.201398][ T4051] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 59.268604][ T4051] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.270318][ T4051] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.272500][ T4051] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.274181][ T4051] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.346537][ T4051] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.354882][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.360818][ T153] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.363713][ T153] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.368225][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 59.375793][ T4051] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.385434][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.388157][ T153] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.389875][ T153] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.395789][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.400152][ T153] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.401928][ T153] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.420610][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.423303][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.434688][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.442336][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.449403][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.454756][ T4051] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.530250][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.532178][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.539622][ T4051] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.553589][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 59.569989][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 59.573183][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 59.575702][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 59.581246][ T4051] device veth0_vlan entered promiscuous mode [ 59.589430][ T4051] device veth1_vlan entered promiscuous mode [ 59.606470][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 59.609471][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 59.612049][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 59.619707][ T4051] device veth0_macvtap entered promiscuous mode [ 59.640478][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 59.645454][ T4051] device veth1_macvtap entered promiscuous mode [ 59.658348][ T4051] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 59.660861][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 59.663406][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 59.671700][ T4051] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 59.673744][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 59.676416][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 59.684827][ T4051] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.688839][ T4051] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.691074][ T4051] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.693095][ T4051] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.424092][ T153] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 60.426269][ T153] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 60.429374][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 60.465799][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 60.468888][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 60.471724][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 60.831421][ T630] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:01:01 executed programs: 0 [ 61.543457][ T4107] chnl_net:caif_netlink_parms(): no params data found [ 61.581166][ T4107] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.583059][ T4107] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.585289][ T4107] device bridge_slave_0 entered promiscuous mode [ 61.589778][ T4107] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.591447][ T4107] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.594118][ T4107] device bridge_slave_1 entered promiscuous mode [ 61.611419][ T4107] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.615810][ T4107] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.632407][ T4107] team0: Port device team_slave_0 added [ 61.636577][ T4107] team0: Port device team_slave_1 added [ 61.650813][ T4107] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 61.652545][ T4107] 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. [ 61.659003][ T4107] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 61.663954][ T4107] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 61.665613][ T4107] 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. [ 61.671715][ T4107] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 61.729761][ T4107] device hsr_slave_0 entered promiscuous mode [ 61.797734][ T4107] device hsr_slave_1 entered promiscuous mode [ 61.847353][ T4107] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 61.849452][ T4107] Cannot create hsr debugfs directory [ 63.464868][ T630] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 63.477678][ T4045] Bluetooth: hci0: command 0x0409 tx timeout [ 65.313486][ T630] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 65.375154][ T630] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 65.557350][ T4033] Bluetooth: hci0: command 0x041b tx timeout [ 66.389185][ T4107] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 66.438881][ T4107] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 66.460599][ T4107] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 66.499240][ T4107] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 66.601206][ T4107] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.609474][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.612243][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.617282][ T4107] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.623078][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.625744][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.628982][ T148] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.630728][ T148] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.633303][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.639168][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.641926][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.644166][ T153] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.645827][ T153] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.651541][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.698744][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.706677][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.710709][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.713857][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.722713][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.725444][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.730905][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.733325][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.740861][ T4107] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 66.744139][ T4107] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.748483][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.750971][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.822701][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.824578][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.831184][ T4107] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.844877][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 66.847907][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 66.861562][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 66.864093][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 66.868375][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 66.870781][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 66.874179][ T4107] device veth0_vlan entered promiscuous mode [ 66.881166][ T4107] device veth1_vlan entered promiscuous mode [ 66.896328][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 66.899716][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 66.902094][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 66.905030][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 66.910266][ T4107] device veth0_macvtap entered promiscuous mode [ 66.914639][ T4107] device veth1_macvtap entered promiscuous mode [ 66.926668][ T4107] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 66.929846][ T4107] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 66.933247][ T4107] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 66.935072][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 66.939371][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 66.941722][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 66.944186][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 66.976951][ T4107] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 66.979534][ T4107] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 66.982838][ T4107] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 66.986498][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 66.990906][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 66.995132][ T4107] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.998409][ T4107] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.000879][ T4107] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.002826][ T4107] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.043698][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.045800][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 67.049034][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 67.062539][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.064491][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 67.068528][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 67.243546][ T4160] [ 67.244168][ T4160] ====================================================== [ 67.245815][ T4160] WARNING: possible circular locking dependency detected [ 67.247478][ T4160] 5.15.173-syzkaller #0 Not tainted [ 67.248604][ T4160] ------------------------------------------------------ [ 67.250132][ T4160] syz.0.15/4160 is trying to acquire lock: [ 67.251481][ T4160] ffff0000d290cc28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xd0/0x1c0 [ 67.254105][ T4160] [ 67.254105][ T4160] but task is already holding lock: [ 67.255847][ T4160] ffff800016e77268 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 67.258054][ T4160] [ 67.258054][ T4160] which lock already depends on the new lock. [ 67.258054][ T4160] [ 67.260482][ T4160] [ 67.260482][ T4160] the existing dependency chain (in reverse order) is: [ 67.262588][ T4160] [ 67.262588][ T4160] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 67.264419][ T4160] __mutex_lock_common+0x194/0x2154 [ 67.265653][ T4160] mutex_lock_nested+0xa4/0xf8 [ 67.266807][ T4160] rfkill_register+0x44/0x7a4 [ 67.267916][ T4160] hci_register_dev+0x3e0/0x880 [ 67.269153][ T4160] vhci_create_device+0x2c4/0x568 [ 67.270444][ T4160] vhci_write+0x318/0x3b8 [ 67.271591][ T4160] vfs_write+0x884/0xb44 [ 67.272592][ T4160] ksys_write+0x15c/0x26c [ 67.273670][ T4160] __arm64_sys_write+0x7c/0x90 [ 67.274965][ T4160] invoke_syscall+0x98/0x2b8 [ 67.276125][ T4160] el0_svc_common+0x138/0x258 [ 67.277375][ T4160] do_el0_svc+0x58/0x14c [ 67.278501][ T4160] el0_svc+0x7c/0x1f0 [ 67.279503][ T4160] el0t_64_sync_handler+0x84/0xe4 [ 67.280773][ T4160] el0t_64_sync+0x1a0/0x1a4 [ 67.282160][ T4160] [ 67.282160][ T4160] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 67.284066][ T4160] __mutex_lock_common+0x194/0x2154 [ 67.285323][ T4160] mutex_lock_nested+0xa4/0xf8 [ 67.286498][ T4160] vhci_send_frame+0x8c/0x10c [ 67.287650][ T4160] hci_send_frame+0x194/0x2f0 [ 67.288903][ T4160] hci_tx_work+0x9ac/0x16cc [ 67.290025][ T4160] process_one_work+0x790/0x11b8 [ 67.291373][ T4160] worker_thread+0x910/0x1034 [ 67.292669][ T4160] kthread+0x37c/0x45c [ 67.293701][ T4160] ret_from_fork+0x10/0x20 [ 67.294849][ T4160] [ 67.294849][ T4160] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 67.297055][ T4160] __flush_work+0xf8/0x1c0 [ 67.298195][ T4160] flush_work+0x24/0x38 [ 67.299261][ T4160] hci_dev_do_close+0x16c/0x1060 [ 67.300592][ T4160] hci_unregister_dev+0x248/0x4d4 [ 67.301898][ T4160] vhci_release+0x74/0xc4 [ 67.303039][ T4160] __fput+0x1c4/0x800 [ 67.304078][ T4160] ____fput+0x20/0x30 [ 67.305157][ T4160] task_work_run+0x130/0x1e4 [ 67.306286][ T4160] do_exit+0x670/0x20bc [ 67.307432][ T4160] do_group_exit+0x110/0x268 [ 67.308775][ T4160] get_signal+0x634/0x1550 [ 67.309864][ T4160] do_notify_resume+0x3d0/0x32b8 [ 67.311045][ T4160] el0_svc+0xfc/0x1f0 [ 67.312066][ T4160] el0t_64_sync_handler+0x84/0xe4 [ 67.313264][ T4160] el0t_64_sync+0x1a0/0x1a4 [ 67.314420][ T4160] [ 67.314420][ T4160] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 67.316422][ T4160] __mutex_lock_common+0x194/0x2154 [ 67.317869][ T4160] mutex_lock_nested+0xa4/0xf8 [ 67.319062][ T4160] bg_scan_update+0x9c/0x470 [ 67.320219][ T4160] process_one_work+0x790/0x11b8 [ 67.321435][ T4160] worker_thread+0x910/0x1034 [ 67.322700][ T4160] kthread+0x37c/0x45c [ 67.323768][ T4160] ret_from_fork+0x10/0x20 [ 67.324981][ T4160] [ 67.324981][ T4160] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 67.327344][ T4160] __lock_acquire+0x32d4/0x7638 [ 67.328634][ T4160] lock_acquire+0x240/0x77c [ 67.329986][ T4160] __flush_work+0xf8/0x1c0 [ 67.331013][ T4160] __cancel_work_timer+0x3ec/0x548 [ 67.332383][ T4160] cancel_work_sync+0x24/0x38 [ 67.333648][ T4160] hci_request_cancel_all+0xcc/0x2d0 [ 67.334928][ T4160] hci_dev_do_close+0x54/0x1060 [ 67.336165][ T4160] hci_rfkill_set_block+0xdc/0x1d0 [ 67.337430][ T4160] rfkill_set_block+0x18c/0x37c [ 67.338713][ T4160] rfkill_fop_write+0x594/0x750 [ 67.339878][ T4160] vfs_write+0x280/0xb44 [ 67.340941][ T4160] ksys_write+0x15c/0x26c [ 67.342054][ T4160] __arm64_sys_write+0x7c/0x90 [ 67.343241][ T4160] invoke_syscall+0x98/0x2b8 [ 67.344476][ T4160] el0_svc_common+0x138/0x258 [ 67.345734][ T4160] do_el0_svc+0x58/0x14c [ 67.346884][ T4160] el0_svc+0x7c/0x1f0 [ 67.347852][ T4160] el0t_64_sync_handler+0x84/0xe4 [ 67.349094][ T4160] el0t_64_sync+0x1a0/0x1a4 [ 67.350185][ T4160] [ 67.350185][ T4160] other info that might help us debug this: [ 67.350185][ T4160] [ 67.352654][ T4160] Chain exists of: [ 67.352654][ T4160] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 67.352654][ T4160] [ 67.356289][ T4160] Possible unsafe locking scenario: [ 67.356289][ T4160] [ 67.358080][ T4160] CPU0 CPU1 [ 67.359419][ T4160] ---- ---- [ 67.360623][ T4160] lock(rfkill_global_mutex); [ 67.361650][ T4160] lock(&data->open_mutex); [ 67.363356][ T4160] lock(rfkill_global_mutex); [ 67.365001][ T4160] lock((work_completion)(&hdev->bg_scan_update)); [ 67.366405][ T4160] [ 67.366405][ T4160] *** DEADLOCK *** [ 67.366405][ T4160] [ 67.368224][ T4160] 1 lock held by syz.0.15/4160: [ 67.369356][ T4160] #0: ffff800016e77268 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 67.371768][ T4160] [ 67.371768][ T4160] stack backtrace: [ 67.373092][ T4160] CPU: 1 PID: 4160 Comm: syz.0.15 Not tainted 5.15.173-syzkaller #0 [ 67.375075][ T4160] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 [ 67.377481][ T4160] Call trace: [ 67.378308][ T4160] dump_backtrace+0x0/0x530 [ 67.379410][ T4160] show_stack+0x2c/0x3c [ 67.380411][ T4160] dump_stack_lvl+0x108/0x170 [ 67.381484][ T4160] dump_stack+0x1c/0x58 [ 67.382538][ T4160] print_circular_bug+0x150/0x1b8 [ 67.383668][ T4160] check_noncircular+0x2cc/0x378 [ 67.384839][ T4160] __lock_acquire+0x32d4/0x7638 [ 67.386017][ T4160] lock_acquire+0x240/0x77c [ 67.387088][ T4160] __flush_work+0xf8/0x1c0 [ 67.388046][ T4160] __cancel_work_timer+0x3ec/0x548 [ 67.389146][ T4160] cancel_work_sync+0x24/0x38 [ 67.390198][ T4160] hci_request_cancel_all+0xcc/0x2d0 [ 67.391373][ T4160] hci_dev_do_close+0x54/0x1060 [ 67.392499][ T4160] hci_rfkill_set_block+0xdc/0x1d0 [ 67.393679][ T4160] rfkill_set_block+0x18c/0x37c [ 67.394725][ T4160] rfkill_fop_write+0x594/0x750 [ 67.395778][ T4160] vfs_write+0x280/0xb44 [ 67.396739][ T4160] ksys_write+0x15c/0x26c [ 67.397666][ T4160] __arm64_sys_write+0x7c/0x90 [ 67.398864][ T4160] invoke_syscall+0x98/0x2b8 [ 67.399881][ T4160] el0_svc_common+0x138/0x258 [ 67.400921][ T4160] do_el0_svc+0x58/0x14c [ 67.401893][ T4160] el0_svc+0x7c/0x1f0 [ 67.402811][ T4160] el0t_64_sync_handler+0x84/0xe4 [ 67.403976][ T4160] el0t_64_sync+0x1a0/0x1a4