Warning: Permanently added '10.128.1.176' (ED25519) to the list of known hosts. 1970/01/01 00:00:37 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:00:38 parsed 1 programs [ 40.829208][ T4021] cgroup: Unknown subsys name 'net' [ 41.090337][ T4021] cgroup: Unknown subsys name 'rlimit' [ 41.419874][ T4021] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 49.980657][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 49.982796][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 49.985738][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 49.998735][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 50.000784][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 50.003238][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 50.574412][ T4080] chnl_net:caif_netlink_parms(): no params data found [ 50.611059][ T4080] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.612989][ T4080] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.617129][ T4080] device bridge_slave_0 entered promiscuous mode [ 50.621866][ T4080] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.623712][ T4080] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.626544][ T4080] device bridge_slave_1 entered promiscuous mode [ 50.643506][ T4080] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 50.648471][ T4080] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 50.664385][ T4080] team0: Port device team_slave_0 added [ 50.669451][ T4080] team0: Port device team_slave_1 added [ 50.682075][ T4080] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 50.683844][ T4080] 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. [ 50.691218][ T4080] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 50.695494][ T4080] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 50.697231][ T4080] 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. [ 50.703749][ T4080] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 50.748208][ T4080] device hsr_slave_0 entered promiscuous mode [ 50.795172][ T4080] device hsr_slave_1 entered promiscuous mode [ 50.918696][ T4080] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 50.958064][ T4080] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 51.008299][ T4080] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 51.061679][ T4080] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 51.160777][ T4080] 8021q: adding VLAN 0 to HW filter on device bond0 [ 51.170843][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 51.173420][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 51.179932][ T4080] 8021q: adding VLAN 0 to HW filter on device team0 [ 51.184366][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 51.189114][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 51.192060][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.194025][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.197709][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 51.203145][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 51.208333][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 51.210966][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.212713][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.217341][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 51.222568][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 51.231084][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 51.234278][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 51.237219][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 51.242001][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 51.246651][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 51.254554][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 51.257727][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 51.260401][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 51.262788][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 51.268329][ T4080] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 51.333982][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 51.336107][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 51.342725][ T4080] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 51.354486][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 51.357324][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 51.370125][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 51.372505][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 51.376495][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 51.379034][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 51.383598][ T4080] device veth0_vlan entered promiscuous mode [ 51.389971][ T4080] device veth1_vlan entered promiscuous mode [ 51.402904][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 51.406397][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 51.408930][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 51.411489][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 51.417885][ T4080] device veth0_macvtap entered promiscuous mode [ 51.422535][ T4080] device veth1_macvtap entered promiscuous mode [ 51.432709][ T4080] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 51.435618][ T265] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 51.437950][ T265] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 51.440107][ T265] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 51.442644][ T265] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 51.449027][ T4080] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 51.452700][ T4080] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.456507][ T4080] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.458685][ T4080] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.460837][ T4080] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.464614][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 51.468044][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 1970/01/01 00:00:51 executed programs: 0 [ 51.892980][ T4114] chnl_net:caif_netlink_parms(): no params data found [ 51.931877][ T4114] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.933850][ T4114] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.937273][ T4114] device bridge_slave_0 entered promiscuous mode [ 51.940558][ T4114] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.942492][ T4114] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.945221][ T4114] device bridge_slave_1 entered promiscuous mode [ 51.960188][ T4114] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 51.967867][ T4114] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 51.981817][ T4114] team0: Port device team_slave_0 added [ 51.985914][ T4114] team0: Port device team_slave_1 added [ 51.997565][ T4114] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 51.999375][ T4114] 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. [ 52.006025][ T4114] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 52.010016][ T4114] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 52.011931][ T4114] 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. [ 52.018789][ T4114] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 52.077372][ T4114] device hsr_slave_0 entered promiscuous mode [ 52.117801][ T4114] device hsr_slave_1 entered promiscuous mode [ 52.154963][ T4114] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 52.157093][ T4114] Cannot create hsr debugfs directory [ 52.236049][ T4114] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 53.885243][ T4104] Bluetooth: hci0: command 0x0409 tx timeout [ 54.421036][ T4114] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 55.954807][ T4071] Bluetooth: hci0: command 0x041b tx timeout [ 56.860655][ T4114] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 57.003979][ T4114] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 57.234466][ T4114] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 57.289773][ T4114] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 57.329454][ T4114] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 57.396744][ T4114] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 57.488789][ T4114] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.496855][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.499312][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.503750][ T4114] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.509412][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 57.511894][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.514274][ T148] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.516169][ T148] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.519176][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.525515][ T436] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 57.528293][ T436] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.530651][ T436] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.532367][ T436] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.536375][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 57.548708][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 57.551543][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 57.555158][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 57.557843][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 57.560570][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 57.563188][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 57.570548][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 57.572888][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 57.578860][ T4114] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 57.581888][ T4114] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 57.584505][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 57.588324][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 57.653225][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 57.655378][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 57.662185][ T4114] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 57.674553][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 57.677324][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 57.690846][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 57.693282][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 57.697101][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 57.699740][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 57.703527][ T4114] device veth0_vlan entered promiscuous mode [ 57.710081][ T4114] device veth1_vlan entered promiscuous mode [ 57.723701][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 57.728962][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 57.731392][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 57.733886][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 57.738189][ T4114] device veth0_macvtap entered promiscuous mode [ 57.742168][ T4114] device veth1_macvtap entered promiscuous mode [ 57.753571][ T4114] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 57.757541][ T4114] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 57.760899][ T4114] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 57.764370][ T4114] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 57.768057][ T4114] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 57.771330][ T4114] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 57.773313][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 57.778244][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 57.780840][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 57.783169][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 57.786997][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 57.789527][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 57.798366][ T4114] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.800741][ T4114] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.802841][ T4114] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.805656][ T4114] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.856974][ T148] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 57.859117][ T148] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 57.861668][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 57.889869][ T148] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 57.891853][ T148] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 57.894390][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 57.975212][ T4126] [ 57.975771][ T4126] ====================================================== [ 57.977494][ T4126] WARNING: possible circular locking dependency detected [ 57.979317][ T4126] 5.15.167-syzkaller #0 Not tainted [ 57.980714][ T4126] ------------------------------------------------------ [ 57.982471][ T4126] syz.0.15/4126 is trying to acquire lock: [ 57.983995][ T4126] ffff0000db838c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xd0/0x1c0 [ 57.986880][ T4126] [ 57.986880][ T4126] but task is already holding lock: [ 57.988773][ T4126] ffff800016e75ba8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 57.991341][ T4126] [ 57.991341][ T4126] which lock already depends on the new lock. [ 57.991341][ T4126] [ 57.993997][ T4126] [ 57.993997][ T4126] the existing dependency chain (in reverse order) is: [ 57.996244][ T4126] [ 57.996244][ T4126] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 57.998315][ T4126] __mutex_lock_common+0x194/0x2154 [ 57.999850][ T4126] mutex_lock_nested+0xa4/0xf8 [ 58.001254][ T4126] rfkill_register+0x44/0x7a4 [ 58.002698][ T4126] hci_register_dev+0x3e0/0x880 [ 58.004117][ T4126] vhci_create_device+0x2c4/0x568 [ 58.005544][ T4126] vhci_write+0x318/0x3b8 [ 58.006780][ T4126] vfs_write+0x884/0xb44 [ 58.008021][ T4126] ksys_write+0x15c/0x26c [ 58.009149][ T4126] __arm64_sys_write+0x7c/0x90 [ 58.010619][ T4126] invoke_syscall+0x98/0x2b8 [ 58.011944][ T4126] el0_svc_common+0x138/0x258 [ 58.013304][ T4126] do_el0_svc+0x58/0x14c [ 58.014600][ T4126] el0_svc+0x7c/0x1f0 [ 58.015748][ T4126] el0t_64_sync_handler+0x84/0xe4 [ 58.017139][ T4126] el0t_64_sync+0x1a0/0x1a4 [ 58.018390][ T4126] [ 58.018390][ T4126] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 58.020339][ T4126] __mutex_lock_common+0x194/0x2154 [ 58.021902][ T4126] mutex_lock_nested+0xa4/0xf8 [ 58.023248][ T4126] vhci_send_frame+0x8c/0x10c [ 58.024588][ T4126] hci_send_frame+0x194/0x2f0 [ 58.026008][ T4126] hci_tx_work+0x9ac/0x16cc [ 58.027283][ T4126] process_one_work+0x790/0x11b8 [ 58.028692][ T4126] worker_thread+0x910/0x1034 [ 58.030018][ T4126] kthread+0x37c/0x45c [ 58.031177][ T4126] ret_from_fork+0x10/0x20 [ 58.032464][ T4126] [ 58.032464][ T4126] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 58.034963][ T4126] __flush_work+0xf8/0x1c0 [ 58.036177][ T4126] flush_work+0x24/0x38 [ 58.037407][ T4126] hci_dev_do_close+0x16c/0x1060 [ 58.038821][ T4126] hci_unregister_dev+0x248/0x4d4 [ 58.040257][ T4126] vhci_release+0x74/0xc4 [ 58.041502][ T4126] __fput+0x1c4/0x800 [ 58.042647][ T4126] ____fput+0x20/0x30 [ 58.043758][ T4126] task_work_run+0x130/0x1e4 [ 58.044890][ T4126] do_exit+0x670/0x20bc [ 58.046095][ T4126] do_group_exit+0x110/0x268 [ 58.047450][ T4126] get_signal+0x634/0x1550 [ 58.048539][ T4126] do_notify_resume+0x3d0/0x32b8 [ 58.049940][ T4126] el0_svc+0xfc/0x1f0 [ 58.051213][ T4126] el0t_64_sync_handler+0x84/0xe4 [ 58.052740][ T4126] el0t_64_sync+0x1a0/0x1a4 [ 58.053943][ T4126] [ 58.053943][ T4126] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 58.055946][ T4126] __mutex_lock_common+0x194/0x2154 [ 58.057366][ T4126] mutex_lock_nested+0xa4/0xf8 [ 58.058802][ T4126] bg_scan_update+0x9c/0x470 [ 58.060087][ T4126] process_one_work+0x790/0x11b8 [ 58.061567][ T4126] worker_thread+0x910/0x1034 [ 58.062887][ T4126] kthread+0x37c/0x45c [ 58.064196][ T4126] ret_from_fork+0x10/0x20 [ 58.065529][ T4126] [ 58.065529][ T4126] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 58.068173][ T4126] __lock_acquire+0x32d4/0x7638 [ 58.069589][ T4126] lock_acquire+0x240/0x77c [ 58.070802][ T4126] __flush_work+0xf8/0x1c0 [ 58.072112][ T4126] __cancel_work_timer+0x3ec/0x548 [ 58.073617][ T4126] cancel_work_sync+0x24/0x38 [ 58.075014][ T4126] hci_request_cancel_all+0xcc/0x2d0 [ 58.076366][ T4126] hci_dev_do_close+0x54/0x1060 [ 58.077767][ T4126] hci_rfkill_set_block+0xdc/0x1d0 [ 58.079150][ T4126] rfkill_set_block+0x18c/0x37c [ 58.080489][ T4126] rfkill_fop_write+0x594/0x750 [ 58.081949][ T4126] vfs_write+0x280/0xb44 [ 58.083169][ T4126] ksys_write+0x15c/0x26c [ 58.084447][ T4126] __arm64_sys_write+0x7c/0x90 [ 58.085727][ T4126] invoke_syscall+0x98/0x2b8 [ 58.087112][ T4126] el0_svc_common+0x138/0x258 [ 58.088610][ T4126] do_el0_svc+0x58/0x14c [ 58.089877][ T4126] el0_svc+0x7c/0x1f0 [ 58.091066][ T4126] el0t_64_sync_handler+0x84/0xe4 [ 58.092464][ T4126] el0t_64_sync+0x1a0/0x1a4 [ 58.093777][ T4126] [ 58.093777][ T4126] other info that might help us debug this: [ 58.093777][ T4126] [ 58.096412][ T4126] Chain exists of: [ 58.096412][ T4126] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 58.096412][ T4126] [ 58.100477][ T4126] Possible unsafe locking scenario: [ 58.100477][ T4126] [ 58.102446][ T4126] CPU0 CPU1 [ 58.103938][ T4126] ---- ---- [ 58.105337][ T4126] lock(rfkill_global_mutex); [ 58.106692][ T4126] lock(&data->open_mutex); [ 58.108776][ T4126] lock(rfkill_global_mutex); [ 58.110581][ T4126] lock((work_completion)(&hdev->bg_scan_update)); [ 58.112240][ T4126] [ 58.112240][ T4126] *** DEADLOCK *** [ 58.112240][ T4126] [ 58.114224][ T4126] 1 lock held by syz.0.15/4126: [ 58.115446][ T4126] #0: ffff800016e75ba8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 58.118107][ T4126] [ 58.118107][ T4126] stack backtrace: [ 58.119484][ T4126] CPU: 1 PID: 4126 Comm: syz.0.15 Not tainted 5.15.167-syzkaller #0 [ 58.121532][ T4126] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 58.124063][ T4126] Call trace: [ 58.124887][ T4126] dump_backtrace+0x0/0x530 [ 58.126132][ T4126] show_stack+0x2c/0x3c [ 58.127114][ T4126] dump_stack_lvl+0x108/0x170 [ 58.128337][ T4126] dump_stack+0x1c/0x58 [ 58.129358][ T4126] print_circular_bug+0x150/0x1b8 [ 58.130688][ T4126] check_noncircular+0x2cc/0x378 [ 58.131969][ T4126] __lock_acquire+0x32d4/0x7638 [ 58.133276][ T4126] lock_acquire+0x240/0x77c [ 58.134522][ T4126] __flush_work+0xf8/0x1c0 [ 58.135632][ T4126] __cancel_work_timer+0x3ec/0x548 [ 58.137060][ T4126] cancel_work_sync+0x24/0x38 [ 58.138371][ T4126] hci_request_cancel_all+0xcc/0x2d0 [ 58.139849][ T4126] hci_dev_do_close+0x54/0x1060 [ 58.141179][ T4126] hci_rfkill_set_block+0xdc/0x1d0 [ 58.142479][ T4126] rfkill_set_block+0x18c/0x37c [ 58.143727][ T4126] rfkill_fop_write+0x594/0x750 [ 58.144836][ T4126] vfs_write+0x280/0xb44 [ 58.145900][ T4126] ksys_write+0x15c/0x26c [ 58.147010][ T4126] __arm64_sys_write+0x7c/0x90 [ 58.148354][ T4126] invoke_syscall+0x98/0x2b8 [ 58.149537][ T4126] el0_svc_common+0x138/0x258 [ 58.150755][ T4126] do_el0_svc+0x58/0x14c [ 58.151849][ T4126] el0_svc+0x7c/0x1f0 [ 58.152795][ T4126] el0t_64_sync_handler+0x84/0xe4 [ 58.153958][ T4126] el0t_64_sync+0x1a0/0x1a4 [ 58.155613][ T4071] Bluetooth: hci0: command 0x040f tx timeout