Warning: Permanently added '10.128.0.134' (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 [ 47.837391][ T4021] cgroup: Unknown subsys name 'net' [ 48.050516][ T4021] cgroup: Unknown subsys name 'rlimit' [ 48.337865][ T4021] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 56.278867][ T4051] chnl_net:caif_netlink_parms(): no params data found [ 56.323621][ T4051] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.325820][ T4051] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.328010][ T4051] device bridge_slave_0 entered promiscuous mode [ 56.336415][ T4051] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.338003][ T4051] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.340149][ T4051] device bridge_slave_1 entered promiscuous mode [ 56.356383][ T4051] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.360235][ T4051] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.376709][ T4051] team0: Port device team_slave_0 added [ 56.379980][ T4051] team0: Port device team_slave_1 added [ 56.398227][ T4051] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 56.399745][ 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. [ 56.405320][ T4051] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 56.409416][ T4051] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 56.410852][ 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. [ 56.416157][ T4051] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 56.467158][ T4051] device hsr_slave_0 entered promiscuous mode [ 56.494544][ T4051] device hsr_slave_1 entered promiscuous mode [ 56.630714][ T4051] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 56.678376][ T4051] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 56.765575][ T4051] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 56.797394][ T4051] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 56.856117][ T4051] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.857853][ T4051] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.859863][ T4051] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.861421][ T4051] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.909438][ T4051] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.918177][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.922749][ T136] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.927076][ T136] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.929743][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 56.939667][ T4051] 8021q: adding VLAN 0 to HW filter on device team0 [ 56.945986][ T274] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.948252][ T274] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.949859][ T274] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.955692][ T274] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.957870][ T274] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.959308][ T274] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.973671][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 56.978150][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 56.986381][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 56.995018][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 56.997685][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 57.002320][ T4051] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 57.076994][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 57.078770][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 57.089509][ T4051] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 57.105078][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 57.121201][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 57.124007][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 57.126466][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 57.131782][ T4051] device veth0_vlan entered promiscuous mode [ 57.141776][ T4051] device veth1_vlan entered promiscuous mode [ 57.162237][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 57.165933][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 57.168415][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 57.173203][ T4051] device veth0_macvtap entered promiscuous mode [ 57.178495][ T4051] device veth1_macvtap entered promiscuous mode [ 57.193903][ T4051] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 57.198368][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 57.201226][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 57.209020][ T4051] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 57.211133][ T274] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 57.216698][ T4051] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.218694][ T4051] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.220714][ T4051] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.222617][ T4051] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.482642][ T148] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 57.485020][ T148] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 57.491843][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 57.516788][ T148] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 57.519438][ T148] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 57.522602][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 58.300046][ T405] ODEBUG: Out of memory. ODEBUG disabled 1970/01/01 00:00:58 executed programs: 0 [ 58.431431][ T405] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 58.508560][ T4098] chnl_net:caif_netlink_parms(): no params data found [ 58.542884][ T4098] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.544810][ T4098] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.547087][ T4098] device bridge_slave_0 entered promiscuous mode [ 58.550136][ T4098] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.551731][ T4098] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.553842][ T4098] device bridge_slave_1 entered promiscuous mode [ 58.577277][ T4098] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.580893][ T4098] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.595680][ T4098] team0: Port device team_slave_0 added [ 58.598404][ T4098] team0: Port device team_slave_1 added [ 58.611516][ T4098] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 58.613093][ T4098] 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. [ 58.619421][ T4098] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 58.623092][ T4098] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 58.624970][ T4098] 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. [ 58.630494][ T4098] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 58.686557][ T4098] device hsr_slave_0 entered promiscuous mode [ 58.734691][ T4098] device hsr_slave_1 entered promiscuous mode [ 58.774810][ T4098] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 58.776359][ T4098] Cannot create hsr debugfs directory [ 60.524946][ T4039] Bluetooth: hci1: command 0x0409 tx timeout [ 61.160651][ T405] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 62.604719][ T4039] Bluetooth: hci1: command 0x041b tx timeout [ 62.880122][ T405] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 62.921792][ T405] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 63.964583][ T4098] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 63.996011][ T4098] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 64.037212][ T4098] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 64.078024][ T4098] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 64.188634][ T4098] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.196820][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.199094][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.203767][ T4098] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.209624][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.212113][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.214420][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.215913][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.218025][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.222811][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.227927][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.229979][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.231480][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.236162][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.240914][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.246256][ T274] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.248872][ T274] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.251948][ T274] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.257707][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.260562][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.266874][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.269134][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.273843][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.276741][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.280599][ T4098] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.346891][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 64.348571][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 64.354681][ T4098] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.365719][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 64.368047][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 64.379319][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 64.381481][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 64.383776][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 64.386877][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 64.390780][ T4098] device veth0_vlan entered promiscuous mode [ 64.397520][ T4098] device veth1_vlan entered promiscuous mode [ 64.448215][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 64.450917][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 64.453256][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 64.457521][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 64.461832][ T4098] device veth0_macvtap entered promiscuous mode [ 64.466804][ T4098] device veth1_macvtap entered promiscuous mode [ 64.476095][ T4098] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 64.478486][ T4098] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 64.481490][ T4098] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 64.483136][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 64.486896][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 64.489198][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 64.491489][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 64.496230][ T4098] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 64.498423][ T4098] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 64.501244][ T4098] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 64.503006][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 64.506700][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 64.510947][ T4098] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.512978][ T4098] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.516425][ T4098] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.518151][ T4098] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.553726][ T274] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.562277][ T274] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.567002][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.567498][ T274] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 64.569378][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.573145][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 64.684520][ T4027] Bluetooth: hci1: command 0x040f tx timeout [ 64.740347][ T4154] [ 64.740848][ T4154] ====================================================== [ 64.742433][ T4154] WARNING: possible circular locking dependency detected [ 64.743934][ T4154] 5.15.167-syzkaller #0 Not tainted [ 64.745030][ T4154] ------------------------------------------------------ [ 64.746570][ T4154] syz.0.15/4154 is trying to acquire lock: [ 64.747786][ T4154] ffff0000d6d60c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xd0/0x1c0 [ 64.750099][ T4154] [ 64.750099][ T4154] but task is already holding lock: [ 64.751603][ T4154] ffff800016e75ba8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 64.753733][ T4154] [ 64.753733][ T4154] which lock already depends on the new lock. [ 64.753733][ T4154] [ 64.755919][ T4154] [ 64.755919][ T4154] the existing dependency chain (in reverse order) is: [ 64.757782][ T4154] [ 64.757782][ T4154] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 64.759534][ T4154] __mutex_lock_common+0x194/0x2154 [ 64.760785][ T4154] mutex_lock_nested+0xa4/0xf8 [ 64.761972][ T4154] rfkill_register+0x44/0x7a4 [ 64.763208][ T4154] hci_register_dev+0x3e0/0x880 [ 64.764292][ T4154] vhci_create_device+0x2c4/0x568 [ 64.765530][ T4154] vhci_write+0x318/0x3b8 [ 64.766646][ T4154] vfs_write+0x884/0xb44 [ 64.767673][ T4154] ksys_write+0x15c/0x26c [ 64.768736][ T4154] __arm64_sys_write+0x7c/0x90 [ 64.769987][ T4154] invoke_syscall+0x98/0x2b8 [ 64.771118][ T4154] el0_svc_common+0x138/0x258 [ 64.772282][ T4154] do_el0_svc+0x58/0x14c [ 64.773220][ T4154] el0_svc+0x7c/0x1f0 [ 64.774147][ T4154] el0t_64_sync_handler+0x84/0xe4 [ 64.775396][ T4154] el0t_64_sync+0x1a0/0x1a4 [ 64.776536][ T4154] [ 64.776536][ T4154] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 64.778173][ T4154] __mutex_lock_common+0x194/0x2154 [ 64.779395][ T4154] mutex_lock_nested+0xa4/0xf8 [ 64.780565][ T4154] vhci_send_frame+0x8c/0x10c [ 64.781657][ T4154] hci_send_frame+0x194/0x2f0 [ 64.782777][ T4154] hci_tx_work+0x9ac/0x16cc [ 64.783775][ T4154] process_one_work+0x790/0x11b8 [ 64.784888][ T4154] worker_thread+0x910/0x1034 [ 64.785964][ T4154] kthread+0x37c/0x45c [ 64.786996][ T4154] ret_from_fork+0x10/0x20 [ 64.788041][ T4154] [ 64.788041][ T4154] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 64.790090][ T4154] __flush_work+0xf8/0x1c0 [ 64.791272][ T4154] flush_work+0x24/0x38 [ 64.792320][ T4154] hci_dev_do_close+0x16c/0x1060 [ 64.793445][ T4154] hci_unregister_dev+0x248/0x4d4 [ 64.794749][ T4154] vhci_release+0x74/0xc4 [ 64.795954][ T4154] __fput+0x1c4/0x800 [ 64.796992][ T4154] ____fput+0x20/0x30 [ 64.797997][ T4154] task_work_run+0x130/0x1e4 [ 64.799048][ T4154] do_exit+0x670/0x20bc [ 64.800073][ T4154] do_group_exit+0x110/0x268 [ 64.801253][ T4154] get_signal+0x634/0x1550 [ 64.802315][ T4154] do_notify_resume+0x3d0/0x32b8 [ 64.803361][ T4154] el0_svc+0xfc/0x1f0 [ 64.804363][ T4154] el0t_64_sync_handler+0x84/0xe4 [ 64.805636][ T4154] el0t_64_sync+0x1a0/0x1a4 [ 64.806846][ T4154] [ 64.806846][ T4154] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 64.808712][ T4154] __mutex_lock_common+0x194/0x2154 [ 64.809967][ T4154] mutex_lock_nested+0xa4/0xf8 [ 64.811076][ T4154] bg_scan_update+0x9c/0x470 [ 64.812181][ T4154] process_one_work+0x790/0x11b8 [ 64.813497][ T4154] worker_thread+0x910/0x1034 [ 64.814554][ T4154] kthread+0x37c/0x45c [ 64.815620][ T4154] ret_from_fork+0x10/0x20 [ 64.816652][ T4154] [ 64.816652][ T4154] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 64.818733][ T4154] __lock_acquire+0x32d4/0x7638 [ 64.819963][ T4154] lock_acquire+0x240/0x77c [ 64.821039][ T4154] __flush_work+0xf8/0x1c0 [ 64.822241][ T4154] __cancel_work_timer+0x3ec/0x548 [ 64.823580][ T4154] cancel_work_sync+0x24/0x38 [ 64.824782][ T4154] hci_request_cancel_all+0xcc/0x2d0 [ 64.825934][ T4154] hci_dev_do_close+0x54/0x1060 [ 64.827141][ T4154] hci_rfkill_set_block+0xdc/0x1d0 [ 64.828404][ T4154] rfkill_set_block+0x18c/0x37c [ 64.829607][ T4154] rfkill_fop_write+0x594/0x750 [ 64.830754][ T4154] vfs_write+0x280/0xb44 [ 64.831723][ T4154] ksys_write+0x15c/0x26c [ 64.832743][ T4154] __arm64_sys_write+0x7c/0x90 [ 64.833835][ T4154] invoke_syscall+0x98/0x2b8 [ 64.834996][ T4154] el0_svc_common+0x138/0x258 [ 64.836096][ T4154] do_el0_svc+0x58/0x14c [ 64.837073][ T4154] el0_svc+0x7c/0x1f0 [ 64.838028][ T4154] el0t_64_sync_handler+0x84/0xe4 [ 64.839131][ T4154] el0t_64_sync+0x1a0/0x1a4 [ 64.840233][ T4154] [ 64.840233][ T4154] other info that might help us debug this: [ 64.840233][ T4154] [ 64.842516][ T4154] Chain exists of: [ 64.842516][ T4154] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 64.842516][ T4154] [ 64.846069][ T4154] Possible unsafe locking scenario: [ 64.846069][ T4154] [ 64.847785][ T4154] CPU0 CPU1 [ 64.848831][ T4154] ---- ---- [ 64.849928][ T4154] lock(rfkill_global_mutex); [ 64.850969][ T4154] lock(&data->open_mutex); [ 64.852553][ T4154] lock(rfkill_global_mutex); [ 64.854116][ T4154] lock((work_completion)(&hdev->bg_scan_update)); [ 64.855428][ T4154] [ 64.855428][ T4154] *** DEADLOCK *** [ 64.855428][ T4154] [ 64.857301][ T4154] 1 lock held by syz.0.15/4154: [ 64.858451][ T4154] #0: ffff800016e75ba8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 64.860334][ T4154] [ 64.860334][ T4154] stack backtrace: [ 64.861301][ T4154] CPU: 0 PID: 4154 Comm: syz.0.15 Not tainted 5.15.167-syzkaller #0 [ 64.862614][ T4154] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 64.864277][ T4154] Call trace: [ 64.864958][ T4154] dump_backtrace+0x0/0x530 [ 64.865933][ T4154] show_stack+0x2c/0x3c [ 64.866883][ T4154] dump_stack_lvl+0x108/0x170 [ 64.867898][ T4154] dump_stack+0x1c/0x58 [ 64.868747][ T4154] print_circular_bug+0x150/0x1b8 [ 64.869768][ T4154] check_noncircular+0x2cc/0x378 [ 64.870776][ T4154] __lock_acquire+0x32d4/0x7638 [ 64.871888][ T4154] lock_acquire+0x240/0x77c [ 64.872858][ T4154] __flush_work+0xf8/0x1c0 [ 64.873746][ T4154] __cancel_work_timer+0x3ec/0x548 [ 64.875067][ T4154] cancel_work_sync+0x24/0x38 [ 64.876155][ T4154] hci_request_cancel_all+0xcc/0x2d0 [ 64.877482][ T4154] hci_dev_do_close+0x54/0x1060 [ 64.878509][ T4154] hci_rfkill_set_block+0xdc/0x1d0 [ 64.879710][ T4154] rfkill_set_block+0x18c/0x37c [ 64.880856][ T4154] rfkill_fop_write+0x594/0x750 [ 64.881926][ T4154] vfs_write+0x280/0xb44 [ 64.882865][ T4154] ksys_write+0x15c/0x26c [ 64.883788][ T4154] __arm64_sys_write+0x7c/0x90 [ 64.884810][ T4154] invoke_syscall+0x98/0x2b8 [ 64.885763][ T4154] el0_svc_common+0x138/0x258 [ 64.886770][ T4154] do_el0_svc+0x58/0x14c [ 64.887684][ T4154] el0_svc+0x7c/0x1f0 [ 64.888547][ T4154] el0t_64_sync_handler+0x84/0xe4 [ 64.889530][ T4154] el0t_64_sync+0x1a0/0x1a4