Warning: Permanently added '10.128.0.161' (ED25519) to the list of known hosts. 1970/01/01 00:00:38 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:00:38 parsed 1 programs [ 41.477480][ T4025] cgroup: Unknown subsys name 'net' [ 41.761113][ T4025] cgroup: Unknown subsys name 'rlimit' [ 42.068748][ T4025] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 51.570955][ T4047] chnl_net:caif_netlink_parms(): no params data found [ 51.604798][ T4047] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.606569][ T4047] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.608874][ T4047] device bridge_slave_0 entered promiscuous mode [ 51.612467][ T4047] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.613942][ T4047] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.616949][ T4047] device bridge_slave_1 entered promiscuous mode [ 51.636294][ T4047] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 51.639756][ T4047] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 51.653190][ T4047] team0: Port device team_slave_0 added [ 51.656461][ T4047] team0: Port device team_slave_1 added [ 51.668310][ T4047] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 51.669781][ T4047] 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. [ 51.674816][ T4047] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 51.682423][ T4047] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 51.683826][ T4047] 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. [ 51.689361][ T4047] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 51.737591][ T4047] device hsr_slave_0 entered promiscuous mode [ 51.775898][ T4047] device hsr_slave_1 entered promiscuous mode [ 51.908198][ T4047] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 51.947478][ T4047] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 51.997465][ T4047] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 52.050355][ T4047] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 52.112688][ T4047] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.114372][ T4047] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.116366][ T4047] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.117914][ T4047] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.151765][ T4047] 8021q: adding VLAN 0 to HW filter on device bond0 [ 52.161228][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 52.164654][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.168350][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.179650][ T4047] 8021q: adding VLAN 0 to HW filter on device team0 [ 52.184764][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 52.187188][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.188729][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.193368][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 52.196239][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.197759][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.209550][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 52.212334][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 52.219994][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 52.224823][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 52.230903][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 52.234988][ T4047] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 52.302727][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 52.304485][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 52.313780][ T4047] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 52.327307][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 52.336708][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 52.339278][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 52.341460][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 52.347388][ T4047] device veth0_vlan entered promiscuous mode [ 52.356634][ T4047] device veth1_vlan entered promiscuous mode [ 52.370264][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 52.372572][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 52.374832][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 52.379358][ T4047] device veth0_macvtap entered promiscuous mode [ 52.383214][ T4047] device veth1_macvtap entered promiscuous mode [ 52.392863][ T4047] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 52.394671][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 52.398121][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 52.439864][ T4047] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 52.443580][ T4047] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.445467][ T4047] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.448223][ T4047] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.449967][ T4047] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.454027][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 53.433343][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 53.435238][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 53.438031][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 53.454262][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 53.456235][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 53.458539][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 53.897945][ T295] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:53 executed programs: 0 [ 54.056893][ T4103] chnl_net:caif_netlink_parms(): no params data found [ 54.086294][ T4103] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.087877][ T4103] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.090028][ T4103] device bridge_slave_0 entered promiscuous mode [ 54.093012][ T4103] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.094561][ T4103] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.096926][ T4103] device bridge_slave_1 entered promiscuous mode [ 54.110786][ T4103] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.114553][ T4103] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.128546][ T4103] team0: Port device team_slave_0 added [ 54.131778][ T4103] team0: Port device team_slave_1 added [ 54.142848][ T4103] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 54.144538][ T4103] 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. [ 54.151067][ T4103] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 54.154926][ T4103] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 54.156794][ T4103] 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. [ 54.162372][ T4103] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 54.237432][ T4103] device hsr_slave_0 entered promiscuous mode [ 54.276317][ T4103] device hsr_slave_1 entered promiscuous mode [ 54.315776][ T4103] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 54.317518][ T4103] Cannot create hsr debugfs directory [ 56.026013][ T4091] Bluetooth: hci0: command 0x0409 tx timeout [ 56.491477][ T295] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 58.105772][ T21] Bluetooth: hci0: command 0x041b tx timeout [ 58.131545][ T295] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 58.182674][ T295] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 59.161407][ T4103] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 59.199662][ T4103] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 59.237627][ T4103] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 59.268711][ T4103] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 59.348995][ T4103] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.355451][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.358471][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.362440][ T4103] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.367337][ T808] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.369734][ T808] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.371847][ T808] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.373308][ T808] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.375413][ T808] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.380587][ T808] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.383030][ T808] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.385386][ T808] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.387146][ T808] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.392122][ T808] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.397492][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.402814][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.406475][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.408654][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.413488][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.416561][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.421748][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.423919][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.433155][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.436343][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.439288][ T4103] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.503581][ T808] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.505249][ T808] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.511392][ T4103] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.522437][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 59.525001][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 59.539133][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 59.541513][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 59.543935][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 59.547194][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 59.550940][ T4103] device veth0_vlan entered promiscuous mode [ 59.557523][ T4103] device veth1_vlan entered promiscuous mode [ 59.570363][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 59.572535][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 59.574905][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 59.577907][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 59.581971][ T4103] device veth0_macvtap entered promiscuous mode [ 59.587237][ T4103] device veth1_macvtap entered promiscuous mode [ 59.595609][ T4103] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 59.598264][ T4103] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 59.602498][ T4103] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 59.604290][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 59.607349][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 59.609458][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 59.611756][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 59.616089][ T4103] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 59.618520][ T4103] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 59.621632][ T4103] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 59.658949][ T808] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 59.661319][ T808] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 59.665827][ T4103] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.667950][ T4103] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.670042][ T4103] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.671833][ T4103] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.708806][ T594] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 59.710523][ T594] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 59.712609][ T808] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 59.729882][ T594] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 59.731978][ T594] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 59.734216][ T594] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 59.892858][ T4156] [ 59.893478][ T4156] ====================================================== [ 59.895167][ T4156] WARNING: possible circular locking dependency detected [ 59.896959][ T4156] 5.15.170-syzkaller #0 Not tainted [ 59.898215][ T4156] ------------------------------------------------------ [ 59.899735][ T4156] syz.0.15/4156 is trying to acquire lock: [ 59.901082][ T4156] ffff0000d6278c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xd0/0x1c0 [ 59.903884][ T4156] [ 59.903884][ T4156] but task is already holding lock: [ 59.905325][ T4156] ffff800016e76f28 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 59.907657][ T4156] [ 59.907657][ T4156] which lock already depends on the new lock. [ 59.907657][ T4156] [ 59.909986][ T4156] [ 59.909986][ T4156] the existing dependency chain (in reverse order) is: [ 59.911965][ T4156] [ 59.911965][ T4156] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 59.913679][ T4156] __mutex_lock_common+0x194/0x2154 [ 59.914878][ T4156] mutex_lock_nested+0xa4/0xf8 [ 59.915912][ T4156] rfkill_register+0x44/0x7a4 [ 59.917080][ T4156] hci_register_dev+0x3e0/0x880 [ 59.918271][ T4156] vhci_create_device+0x2c4/0x568 [ 59.919351][ T4156] vhci_write+0x318/0x3b8 [ 59.920339][ T4156] vfs_write+0x884/0xb44 [ 59.921235][ T4156] ksys_write+0x15c/0x26c [ 59.922376][ T4156] __arm64_sys_write+0x7c/0x90 [ 59.923381][ T4156] invoke_syscall+0x98/0x2b8 [ 59.924528][ T4156] el0_svc_common+0x138/0x258 [ 59.925690][ T4156] do_el0_svc+0x58/0x14c [ 59.926689][ T4156] el0_svc+0x7c/0x1f0 [ 59.927726][ T4156] el0t_64_sync_handler+0x84/0xe4 [ 59.928873][ T4156] el0t_64_sync+0x1a0/0x1a4 [ 59.930045][ T4156] [ 59.930045][ T4156] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 59.931806][ T4156] __mutex_lock_common+0x194/0x2154 [ 59.933025][ T4156] mutex_lock_nested+0xa4/0xf8 [ 59.934167][ T4156] vhci_send_frame+0x8c/0x10c [ 59.935294][ T4156] hci_send_frame+0x194/0x2f0 [ 59.936388][ T4156] hci_tx_work+0x9ac/0x16cc [ 59.937646][ T4156] process_one_work+0x790/0x11b8 [ 59.939063][ T4156] worker_thread+0x910/0x1034 [ 59.940205][ T4156] kthread+0x37c/0x45c [ 59.941263][ T4156] ret_from_fork+0x10/0x20 [ 59.942311][ T4156] [ 59.942311][ T4156] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 59.944207][ T4156] __flush_work+0xf8/0x1c0 [ 59.945381][ T4156] flush_work+0x24/0x38 [ 59.946423][ T4156] hci_dev_do_close+0x16c/0x1060 [ 59.947790][ T4156] hci_unregister_dev+0x248/0x4d4 [ 59.949075][ T4156] vhci_release+0x74/0xc4 [ 59.950107][ T4156] __fput+0x1c4/0x800 [ 59.951047][ T4156] ____fput+0x20/0x30 [ 59.952105][ T4156] task_work_run+0x130/0x1e4 [ 59.953137][ T4156] do_exit+0x670/0x20bc [ 59.954230][ T4156] do_group_exit+0x110/0x268 [ 59.955364][ T4156] get_signal+0x634/0x1550 [ 59.956418][ T4156] do_notify_resume+0x3d0/0x32b8 [ 59.957488][ T4156] el0_svc+0xfc/0x1f0 [ 59.958432][ T4156] el0t_64_sync_handler+0x84/0xe4 [ 59.959642][ T4156] el0t_64_sync+0x1a0/0x1a4 [ 59.960737][ T4156] [ 59.960737][ T4156] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 59.962514][ T4156] __mutex_lock_common+0x194/0x2154 [ 59.963824][ T4156] mutex_lock_nested+0xa4/0xf8 [ 59.964938][ T4156] bg_scan_update+0x9c/0x470 [ 59.965921][ T4156] process_one_work+0x790/0x11b8 [ 59.967115][ T4156] worker_thread+0x910/0x1034 [ 59.968338][ T4156] kthread+0x37c/0x45c [ 59.969312][ T4156] ret_from_fork+0x10/0x20 [ 59.970348][ T4156] [ 59.970348][ T4156] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 59.972474][ T4156] __lock_acquire+0x32d4/0x7638 [ 59.973655][ T4156] lock_acquire+0x240/0x77c [ 59.974740][ T4156] __flush_work+0xf8/0x1c0 [ 59.975742][ T4156] __cancel_work_timer+0x3ec/0x548 [ 59.976988][ T4156] cancel_work_sync+0x24/0x38 [ 59.978039][ T4156] hci_request_cancel_all+0xcc/0x2d0 [ 59.979262][ T4156] hci_dev_do_close+0x54/0x1060 [ 59.980538][ T4156] hci_rfkill_set_block+0xdc/0x1d0 [ 59.981814][ T4156] rfkill_set_block+0x18c/0x37c [ 59.983089][ T4156] rfkill_fop_write+0x594/0x750 [ 59.984287][ T4156] vfs_write+0x280/0xb44 [ 59.985405][ T4156] ksys_write+0x15c/0x26c [ 59.986446][ T4156] __arm64_sys_write+0x7c/0x90 [ 59.987716][ T4156] invoke_syscall+0x98/0x2b8 [ 59.988854][ T4156] el0_svc_common+0x138/0x258 [ 59.990193][ T4156] do_el0_svc+0x58/0x14c [ 59.991334][ T4156] el0_svc+0x7c/0x1f0 [ 59.992243][ T4156] el0t_64_sync_handler+0x84/0xe4 [ 59.993532][ T4156] el0t_64_sync+0x1a0/0x1a4 [ 59.994624][ T4156] [ 59.994624][ T4156] other info that might help us debug this: [ 59.994624][ T4156] [ 59.996961][ T4156] Chain exists of: [ 59.996961][ T4156] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 59.996961][ T4156] [ 60.000508][ T4156] Possible unsafe locking scenario: [ 60.000508][ T4156] [ 60.002248][ T4156] CPU0 CPU1 [ 60.003414][ T4156] ---- ---- [ 60.004674][ T4156] lock(rfkill_global_mutex); [ 60.005797][ T4156] lock(&data->open_mutex); [ 60.007328][ T4156] lock(rfkill_global_mutex); [ 60.009007][ T4156] lock((work_completion)(&hdev->bg_scan_update)); [ 60.010397][ T4156] [ 60.010397][ T4156] *** DEADLOCK *** [ 60.010397][ T4156] [ 60.012302][ T4156] 1 lock held by syz.0.15/4156: [ 60.013377][ T4156] #0: ffff800016e76f28 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 60.015562][ T4156] [ 60.015562][ T4156] stack backtrace: [ 60.016876][ T4156] CPU: 0 PID: 4156 Comm: syz.0.15 Not tainted 5.15.170-syzkaller #0 [ 60.018621][ T4156] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 60.020890][ T4156] Call trace: [ 60.021634][ T4156] dump_backtrace+0x0/0x530 [ 60.022576][ T4156] show_stack+0x2c/0x3c [ 60.023385][ T4156] dump_stack_lvl+0x108/0x170 [ 60.024431][ T4156] dump_stack+0x1c/0x58 [ 60.025376][ T4156] print_circular_bug+0x150/0x1b8 [ 60.026608][ T4156] check_noncircular+0x2cc/0x378 [ 60.027673][ T4156] __lock_acquire+0x32d4/0x7638 [ 60.028749][ T4156] lock_acquire+0x240/0x77c [ 60.029796][ T4156] __flush_work+0xf8/0x1c0 [ 60.030847][ T4156] __cancel_work_timer+0x3ec/0x548 [ 60.032069][ T4156] cancel_work_sync+0x24/0x38 [ 60.033135][ T4156] hci_request_cancel_all+0xcc/0x2d0 [ 60.034407][ T4156] hci_dev_do_close+0x54/0x1060 [ 60.035417][ T4156] hci_rfkill_set_block+0xdc/0x1d0 [ 60.036499][ T4156] rfkill_set_block+0x18c/0x37c [ 60.037759][ T4156] rfkill_fop_write+0x594/0x750 [ 60.038763][ T4156] vfs_write+0x280/0xb44 [ 60.039751][ T4156] ksys_write+0x15c/0x26c [ 60.040787][ T4156] __arm64_sys_write+0x7c/0x90 [ 60.041864][ T4156] invoke_syscall+0x98/0x2b8 [ 60.042910][ T4156] el0_svc_common+0x138/0x258 [ 60.043970][ T4156] do_el0_svc+0x58/0x14c [ 60.044974][ T4156] el0_svc+0x7c/0x1f0 [ 60.045750][ T4156] el0t_64_sync_handler+0x84/0xe4 [ 60.046813][ T4156] el0t_64_sync+0x1a0/0x1a4 [ 60.195941][ T4119] Bluetooth: hci0: command 0x040f tx timeout