Warning: Permanently added '10.128.1.163' (ED25519) to the list of known hosts. 1970/01/01 00:00:44 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:00:44 parsed 1 programs [ 47.043272][ T4023] cgroup: Unknown subsys name 'net' [ 47.280947][ T4023] cgroup: Unknown subsys name 'rlimit' [ 47.640508][ T4023] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 54.523768][ T148] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 54.526024][ T148] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 54.528670][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 54.545124][ T148] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 54.547226][ T148] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 54.549675][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 55.031228][ T4079] chnl_net:caif_netlink_parms(): no params data found [ 55.069569][ T4079] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.071611][ T4079] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.074437][ T4079] device bridge_slave_0 entered promiscuous mode [ 55.081050][ T4079] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.082919][ T4079] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.085868][ T4079] device bridge_slave_1 entered promiscuous mode [ 55.104754][ T4079] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.109212][ T4079] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.126740][ T4079] team0: Port device team_slave_0 added [ 55.130103][ T4079] team0: Port device team_slave_1 added [ 55.145963][ T4079] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 55.147719][ T4079] 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. [ 55.154090][ T4079] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 55.160662][ T4079] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 55.162561][ T4079] 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. [ 55.169793][ T4079] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 55.238781][ T4079] device hsr_slave_0 entered promiscuous mode [ 55.285009][ T4079] device hsr_slave_1 entered promiscuous mode [ 55.430997][ T4079] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 55.478734][ T4079] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 55.518247][ T4079] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 55.577151][ T4079] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 55.672953][ T4079] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.680161][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 55.683124][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.688752][ T4079] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.695141][ T1675] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 55.698050][ T1675] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.701310][ T1675] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.703218][ T1675] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.707258][ T1675] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 55.711726][ T1675] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 55.718563][ T1675] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.720997][ T1675] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.722796][ T1675] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.728167][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 55.743374][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 55.746313][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 55.749173][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 55.752000][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 55.758369][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 55.769004][ T4079] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 55.771651][ T4079] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 55.777678][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 55.780354][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 55.783013][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 55.788990][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 55.791604][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 55.796360][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 55.852199][ T136] ODEBUG: Out of memory. ODEBUG disabled [ 55.863651][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 55.866118][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 55.871941][ T4079] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 55.887921][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 55.890441][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 55.901509][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 55.903987][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 55.907314][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 55.909936][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 55.914088][ T4079] device veth0_vlan entered promiscuous mode [ 55.920615][ T4079] device veth1_vlan entered promiscuous mode [ 55.933759][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 55.937254][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 55.939672][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 55.942172][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 55.948802][ T4079] device veth0_macvtap entered promiscuous mode [ 55.952687][ T4079] device veth1_macvtap entered promiscuous mode [ 55.961981][ T4079] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 55.964074][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 55.967928][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 55.970506][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 55.973204][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 55.978036][ T4079] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 55.980233][ T1675] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 55.982931][ T1675] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 55.991284][ T4079] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.993632][ T4079] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.996358][ T4079] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.998583][ T4079] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:56 executed programs: 0 [ 56.579874][ T4122] chnl_net:caif_netlink_parms(): no params data found [ 56.617003][ T4122] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.618940][ T4122] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.621497][ T4122] device bridge_slave_0 entered promiscuous mode [ 56.625625][ T4122] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.627364][ T4122] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.629698][ T4122] device bridge_slave_1 entered promiscuous mode [ 56.643056][ T4122] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.657535][ T4122] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.670300][ T4122] team0: Port device team_slave_0 added [ 56.674041][ T4122] team0: Port device team_slave_1 added [ 56.686289][ T4122] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 56.688171][ T4122] 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. [ 56.697543][ T4122] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 56.703998][ T4122] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 56.708190][ T4122] 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. [ 56.719866][ T4122] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 56.786912][ T4122] device hsr_slave_0 entered promiscuous mode [ 56.825091][ T4122] device hsr_slave_1 entered promiscuous mode [ 56.864928][ T4122] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 56.868294][ T4122] Cannot create hsr debugfs directory [ 56.939591][ T4122] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 58.515324][ T4106] Bluetooth: hci0: command 0x0409 tx timeout [ 59.260695][ T4122] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 60.594746][ T4105] Bluetooth: hci0: command 0x041b tx timeout [ 61.508927][ T4122] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 61.693153][ T4122] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 61.841719][ T4122] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 61.896539][ T4122] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 61.946244][ T4122] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 62.017293][ T4122] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 62.109134][ T4122] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.120313][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.122694][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.128227][ T4122] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.132514][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.138356][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.141482][ T148] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.143231][ T148] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.152432][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.157961][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.160556][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.162860][ T148] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.164642][ T148] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.167461][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.182508][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.185919][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.189355][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.191886][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.194469][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.199668][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.202198][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.208039][ T4122] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 62.211186][ T4122] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.216394][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.218817][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.221545][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.295439][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.297499][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.301783][ T4122] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.316151][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 62.318677][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 62.333526][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 62.336965][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 62.339973][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 62.342605][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 62.349824][ T4122] device veth0_vlan entered promiscuous mode [ 62.356828][ T4122] device veth1_vlan entered promiscuous mode [ 62.371040][ T4122] device veth0_macvtap entered promiscuous mode [ 62.375360][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 62.377766][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 62.380307][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 62.383235][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 62.387690][ T4122] device veth1_macvtap entered promiscuous mode [ 62.391443][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 62.394378][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 62.402901][ T4122] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 62.407768][ T4122] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 62.411454][ T4122] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 62.414199][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 62.417796][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 62.421921][ T4122] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 62.426722][ T4122] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 62.430981][ T4122] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 62.433139][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 62.436307][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 62.442483][ T4122] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.446876][ T4122] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.449320][ T4122] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.451609][ T4122] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.503013][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 62.505535][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 62.508062][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 62.529612][ T148] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 62.531711][ T148] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 62.535908][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 62.576475][ T4134] [ 62.577088][ T4134] ====================================================== [ 62.578789][ T4134] WARNING: possible circular locking dependency detected [ 62.580514][ T4134] 5.15.174-syzkaller #0 Not tainted [ 62.581772][ T4134] ------------------------------------------------------ [ 62.583457][ T4134] syz.0.16/4134 is trying to acquire lock: [ 62.584938][ T4134] ffff0000d5450c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xd0/0x1c0 [ 62.587757][ T4134] [ 62.587757][ T4134] but task is already holding lock: [ 62.589807][ T4134] ffff800016f36ba8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 62.592396][ T4134] [ 62.592396][ T4134] which lock already depends on the new lock. [ 62.592396][ T4134] [ 62.595201][ T4134] [ 62.595201][ T4134] the existing dependency chain (in reverse order) is: [ 62.597466][ T4134] [ 62.597466][ T4134] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 62.599471][ T4134] __mutex_lock_common+0x194/0x2154 [ 62.600950][ T4134] mutex_lock_nested+0xa4/0xf8 [ 62.602340][ T4134] rfkill_register+0x44/0x7a4 [ 62.603785][ T4134] hci_register_dev+0x3e0/0x880 [ 62.605134][ T4134] vhci_create_device+0x2c4/0x568 [ 62.606510][ T4134] vhci_write+0x318/0x3b8 [ 62.607869][ T4134] vfs_write+0x884/0xb44 [ 62.609076][ T4134] ksys_write+0x15c/0x26c [ 62.610351][ T4134] __arm64_sys_write+0x7c/0x90 [ 62.611794][ T4134] invoke_syscall+0x98/0x2b8 [ 62.613146][ T4134] el0_svc_common+0x138/0x258 [ 62.614439][ T4134] do_el0_svc+0x58/0x14c [ 62.615660][ T4134] el0_svc+0x7c/0x1f0 [ 62.616765][ T4134] el0t_64_sync_handler+0x84/0xe4 [ 62.618170][ T4134] el0t_64_sync+0x1a0/0x1a4 [ 62.619404][ T4134] [ 62.619404][ T4134] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 62.621380][ T4134] __mutex_lock_common+0x194/0x2154 [ 62.622872][ T4134] mutex_lock_nested+0xa4/0xf8 [ 62.624305][ T4134] vhci_send_frame+0x8c/0x10c [ 62.625634][ T4134] hci_send_frame+0x194/0x2f0 [ 62.626922][ T4134] hci_tx_work+0x9ac/0x16cc [ 62.628259][ T4134] process_one_work+0x790/0x11b8 [ 62.629677][ T4134] worker_thread+0x910/0x1034 [ 62.631150][ T4134] kthread+0x37c/0x45c [ 62.632343][ T4134] ret_from_fork+0x10/0x20 [ 62.633629][ T4134] [ 62.633629][ T4134] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 62.636255][ T4134] __flush_work+0xf8/0x1c0 [ 62.637665][ T4134] flush_work+0x24/0x38 [ 62.638923][ T4134] hci_dev_do_close+0x16c/0x1060 [ 62.640348][ T4134] hci_unregister_dev+0x248/0x4d4 [ 62.641866][ T4134] vhci_release+0x74/0xc4 [ 62.643104][ T4134] __fput+0x1c4/0x800 [ 62.644312][ T4134] ____fput+0x20/0x30 [ 62.645454][ T4134] task_work_run+0x130/0x1e4 [ 62.646708][ T4134] do_exit+0x670/0x20bc [ 62.647969][ T4134] do_group_exit+0x110/0x268 [ 62.649310][ T4134] get_signal+0x634/0x1550 [ 62.650739][ T4134] do_notify_resume+0x3d0/0x32b8 [ 62.652161][ T4134] el0_svc+0xfc/0x1f0 [ 62.653368][ T4134] el0t_64_sync_handler+0x84/0xe4 [ 62.654797][ T4134] el0t_64_sync+0x1a0/0x1a4 [ 62.656211][ T4134] [ 62.656211][ T4134] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 62.658296][ T4134] __mutex_lock_common+0x194/0x2154 [ 62.659881][ T4134] mutex_lock_nested+0xa4/0xf8 [ 62.661224][ T4134] bg_scan_update+0x9c/0x470 [ 62.662559][ T4134] process_one_work+0x790/0x11b8 [ 62.663941][ T4134] worker_thread+0x910/0x1034 [ 62.665230][ T4134] kthread+0x37c/0x45c [ 62.666438][ T4134] ret_from_fork+0x10/0x20 [ 62.667721][ T4134] [ 62.667721][ T4134] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 62.670342][ T4134] __lock_acquire+0x32d4/0x7638 [ 62.671844][ T4134] lock_acquire+0x240/0x77c [ 62.673186][ T4134] __flush_work+0xf8/0x1c0 [ 62.674510][ T4134] __cancel_work_timer+0x3ec/0x548 [ 62.675968][ T4134] cancel_work_sync+0x24/0x38 [ 62.677267][ T4134] hci_request_cancel_all+0xcc/0x2d0 [ 62.678763][ T4134] hci_dev_do_close+0x54/0x1060 [ 62.680135][ T4134] hci_rfkill_set_block+0xdc/0x1d0 [ 62.681538][ T4134] rfkill_set_block+0x18c/0x37c [ 62.682968][ T4134] rfkill_fop_write+0x594/0x750 [ 62.684360][ T4134] vfs_write+0x280/0xb44 [ 62.685565][ T4134] ksys_write+0x15c/0x26c [ 62.686788][ T4134] __arm64_sys_write+0x7c/0x90 [ 62.688140][ T4134] invoke_syscall+0x98/0x2b8 [ 62.689503][ T4134] el0_svc_common+0x138/0x258 [ 62.690931][ T4134] do_el0_svc+0x58/0x14c [ 62.692259][ T4134] el0_svc+0x7c/0x1f0 [ 62.693410][ T4134] el0t_64_sync_handler+0x84/0xe4 [ 62.694893][ T4134] el0t_64_sync+0x1a0/0x1a4 [ 62.696243][ T4134] [ 62.696243][ T4134] other info that might help us debug this: [ 62.696243][ T4134] [ 62.699009][ T4134] Chain exists of: [ 62.699009][ T4134] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 62.699009][ T4134] [ 62.703299][ T4134] Possible unsafe locking scenario: [ 62.703299][ T4134] [ 62.705279][ T4134] CPU0 CPU1 [ 62.706625][ T4134] ---- ---- [ 62.708003][ T4134] lock(rfkill_global_mutex); [ 62.709220][ T4134] lock(&data->open_mutex); [ 62.711098][ T4134] lock(rfkill_global_mutex); [ 62.712949][ T4134] lock((work_completion)(&hdev->bg_scan_update)); [ 62.714698][ T4134] [ 62.714698][ T4134] *** DEADLOCK *** [ 62.714698][ T4134] [ 62.716816][ T4134] 1 lock held by syz.0.16/4134: [ 62.718099][ T4134] #0: ffff800016f36ba8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 62.720826][ T4134] [ 62.720826][ T4134] stack backtrace: [ 62.722297][ T4134] CPU: 1 PID: 4134 Comm: syz.0.16 Not tainted 5.15.174-syzkaller #0 [ 62.724385][ T4134] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 [ 62.726948][ T4134] Call trace: [ 62.727744][ T4134] dump_backtrace+0x0/0x530 [ 62.728897][ T4134] show_stack+0x2c/0x3c [ 62.729941][ T4134] dump_stack_lvl+0x108/0x170 [ 62.731206][ T4134] dump_stack+0x1c/0x58 [ 62.732257][ T4134] print_circular_bug+0x150/0x1b8 [ 62.733513][ T4134] check_noncircular+0x2cc/0x378 [ 62.734742][ T4134] __lock_acquire+0x32d4/0x7638 [ 62.735990][ T4134] lock_acquire+0x240/0x77c [ 62.737103][ T4134] __flush_work+0xf8/0x1c0 [ 62.738254][ T4134] __cancel_work_timer+0x3ec/0x548 [ 62.739582][ T4134] cancel_work_sync+0x24/0x38 [ 62.740816][ T4134] hci_request_cancel_all+0xcc/0x2d0 [ 62.742195][ T4134] hci_dev_do_close+0x54/0x1060 [ 62.743442][ T4134] hci_rfkill_set_block+0xdc/0x1d0 [ 62.744789][ T4134] rfkill_set_block+0x18c/0x37c [ 62.746152][ T4134] rfkill_fop_write+0x594/0x750 [ 62.747634][ T4134] vfs_write+0x280/0xb44 [ 62.748758][ T4134] ksys_write+0x15c/0x26c [ 62.749941][ T4134] __arm64_sys_write+0x7c/0x90 [ 62.751229][ T4134] invoke_syscall+0x98/0x2b8 [ 62.752405][ T4134] el0_svc_common+0x138/0x258 [ 62.753587][ T4134] do_el0_svc+0x58/0x14c [ 62.754737][ T4134] el0_svc+0x7c/0x1f0 [ 62.755726][ T4134] el0t_64_sync_handler+0x84/0xe4 [ 62.757038][ T4134] el0t_64_sync+0x1a0/0x1a4 [ 62.759257][ T1535] Bluetooth: hci0: command 0x040f tx timeout