Warning: Permanently added '10.128.0.85' (ED25519) to the list of known hosts. 1970/01/01 00:00:45 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:00:45 parsed 1 programs [ 48.265776][ T4023] cgroup: Unknown subsys name 'net' [ 48.538391][ T4023] cgroup: Unknown subsys name 'rlimit' [ 48.828360][ T4023] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 60.589737][ T4052] chnl_net:caif_netlink_parms(): no params data found [ 60.622929][ T4052] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.624636][ T4052] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.626782][ T4052] device bridge_slave_0 entered promiscuous mode [ 60.630418][ T4052] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.631937][ T4052] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.634761][ T4052] device bridge_slave_1 entered promiscuous mode [ 60.650526][ T4052] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.654351][ T4052] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.667115][ T4052] team0: Port device team_slave_0 added [ 60.670315][ T4052] team0: Port device team_slave_1 added [ 60.684960][ T4052] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 60.686591][ T4052] 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. [ 60.691790][ T4052] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 60.695845][ T4052] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 60.697423][ T4052] 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. [ 60.702668][ T4052] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 60.765126][ T4052] device hsr_slave_0 entered promiscuous mode [ 60.802981][ T4052] device hsr_slave_1 entered promiscuous mode [ 60.923456][ T4052] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 60.964674][ T4052] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 60.994760][ T4052] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 61.047000][ T4052] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 61.100051][ T4052] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.101660][ T4052] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.103485][ T4052] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.104941][ T4052] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.168543][ T4052] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.174694][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.178294][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.180402][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.183345][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 61.189817][ T4052] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.195511][ T332] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.197484][ T332] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.198928][ T332] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.203709][ T332] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.205747][ T332] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.207201][ T332] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.236248][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.238515][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.240639][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.243122][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.247395][ T4052] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.249478][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.314581][ T4052] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.316997][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.318784][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.331496][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 61.346351][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 61.348741][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 61.350599][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 61.355614][ T4052] device veth0_vlan entered promiscuous mode [ 61.361349][ T4052] device veth1_vlan entered promiscuous mode [ 61.378310][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 61.380369][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 61.382546][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 61.389078][ T4052] device veth0_macvtap entered promiscuous mode [ 61.393119][ T4052] device veth1_macvtap entered promiscuous mode [ 61.404461][ T4052] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 61.406025][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 61.408538][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 61.415286][ T4052] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 61.417011][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 61.421953][ T4052] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.425126][ T4052] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.427138][ T4052] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.428823][ T4052] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.668541][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 61.670427][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 61.672708][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 61.697182][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 61.698795][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 61.701048][ T552] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 62.616333][ T1708] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:01:02 executed programs: 0 [ 62.769815][ T4101] chnl_net:caif_netlink_parms(): no params data found [ 62.799193][ T4101] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.800742][ T4101] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.804628][ T4101] device bridge_slave_0 entered promiscuous mode [ 62.807710][ T4101] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.809265][ T4101] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.811263][ T4101] device bridge_slave_1 entered promiscuous mode [ 62.825820][ T4101] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.829295][ T4101] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.842740][ T4101] team0: Port device team_slave_0 added [ 62.845331][ T4101] team0: Port device team_slave_1 added [ 62.856627][ T4101] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 62.858039][ T4101] 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. [ 62.863251][ T4101] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 62.866607][ T4101] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 62.868012][ T4101] 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. [ 62.873648][ T4101] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 62.934618][ T4101] device hsr_slave_0 entered promiscuous mode [ 62.983057][ T4101] device hsr_slave_1 entered promiscuous mode [ 63.022803][ T4101] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 63.024527][ T4101] Cannot create hsr debugfs directory [ 64.753460][ T4042] Bluetooth: hci0: command 0x0409 tx timeout [ 65.249071][ T1708] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 66.843363][ T13] Bluetooth: hci0: command 0x041b tx timeout [ 66.987683][ T1708] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 67.029760][ T1708] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 68.049164][ T4101] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 68.074829][ T4101] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 68.114758][ T4101] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 68.154678][ T4101] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 68.245214][ T4101] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.251480][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.253840][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.258223][ T4101] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.261967][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.266877][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.268943][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.270475][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.272607][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.285852][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.288177][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.290252][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.291703][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.294000][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.296349][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.299399][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.301671][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.304116][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.307536][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.309771][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.342411][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.345027][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.349459][ T332] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.351701][ T332] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.356247][ T4101] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.420009][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.421598][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.427644][ T4101] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.438762][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 68.441005][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 68.451468][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 68.454203][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 68.457371][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 68.459383][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 68.462288][ T4101] device veth0_vlan entered promiscuous mode [ 68.469006][ T4101] device veth1_vlan entered promiscuous mode [ 68.481940][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 68.484529][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 68.486541][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 68.488646][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 68.492497][ T4101] device veth0_macvtap entered promiscuous mode [ 68.497156][ T4101] device veth1_macvtap entered promiscuous mode [ 68.505771][ T4101] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 68.507991][ T4101] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 68.510774][ T4101] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 68.512444][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 68.517969][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 68.520171][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 68.522323][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 68.526633][ T4101] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 68.528735][ T4101] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 68.531449][ T4101] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 68.534022][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 68.536203][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 68.540393][ T4101] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.542159][ T4101] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.544341][ T4101] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.546157][ T4101] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.578602][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 68.582740][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 68.585003][ T332] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 68.595933][ T332] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 68.597664][ T332] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 68.599815][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 68.767445][ T4156] [ 68.767918][ T4156] ====================================================== [ 68.769288][ T4156] WARNING: possible circular locking dependency detected [ 68.770656][ T4156] 5.15.173-syzkaller #0 Not tainted [ 68.771623][ T4156] ------------------------------------------------------ [ 68.772956][ T4156] syz.0.15/4156 is trying to acquire lock: [ 68.774136][ T4156] ffff0000d5cccc28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xd0/0x1c0 [ 68.776451][ T4156] [ 68.776451][ T4156] but task is already holding lock: [ 68.777960][ T4156] ffff800016f25fe8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 68.779951][ T4156] [ 68.779951][ T4156] which lock already depends on the new lock. [ 68.779951][ T4156] [ 68.781965][ T4156] [ 68.781965][ T4156] the existing dependency chain (in reverse order) is: [ 68.783778][ T4156] [ 68.783778][ T4156] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 68.785371][ T4156] __mutex_lock_common+0x194/0x2154 [ 68.786556][ T4156] mutex_lock_nested+0xa4/0xf8 [ 68.787702][ T4156] rfkill_register+0x44/0x7a4 [ 68.788768][ T4156] hci_register_dev+0x3e0/0x880 [ 68.789895][ T4156] vhci_create_device+0x2c4/0x568 [ 68.791100][ T4156] vhci_write+0x318/0x3b8 [ 68.792008][ T4156] vfs_write+0x884/0xb44 [ 68.792966][ T4156] ksys_write+0x15c/0x26c [ 68.793980][ T4156] __arm64_sys_write+0x7c/0x90 [ 68.795090][ T4156] invoke_syscall+0x98/0x2b8 [ 68.796161][ T4156] el0_svc_common+0x138/0x258 [ 68.797281][ T4156] do_el0_svc+0x58/0x14c [ 68.798295][ T4156] el0_svc+0x7c/0x1f0 [ 68.799231][ T4156] el0t_64_sync_handler+0x84/0xe4 [ 68.800327][ T4156] el0t_64_sync+0x1a0/0x1a4 [ 68.801387][ T4156] [ 68.801387][ T4156] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 68.803091][ T4156] __mutex_lock_common+0x194/0x2154 [ 68.804401][ T4156] mutex_lock_nested+0xa4/0xf8 [ 68.805522][ T4156] vhci_send_frame+0x8c/0x10c [ 68.806563][ T4156] hci_send_frame+0x194/0x2f0 [ 68.807636][ T4156] hci_tx_work+0x9ac/0x16cc [ 68.808634][ T4156] process_one_work+0x790/0x11b8 [ 68.809776][ T4156] worker_thread+0x910/0x1034 [ 68.810845][ T4156] kthread+0x37c/0x45c [ 68.811730][ T4156] ret_from_fork+0x10/0x20 [ 68.812680][ T4156] [ 68.812680][ T4156] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 68.814558][ T4156] __flush_work+0xf8/0x1c0 [ 68.815553][ T4156] flush_work+0x24/0x38 [ 68.816586][ T4156] hci_dev_do_close+0x16c/0x1060 [ 68.817607][ T4156] hci_unregister_dev+0x248/0x4d4 [ 68.818649][ T4156] vhci_release+0x74/0xc4 [ 68.819557][ T4156] __fput+0x1c4/0x800 [ 68.820473][ T4156] ____fput+0x20/0x30 [ 68.821335][ T4156] task_work_run+0x130/0x1e4 [ 68.822373][ T4156] do_exit+0x670/0x20bc [ 68.823361][ T4156] do_group_exit+0x110/0x268 [ 68.824400][ T4156] get_signal+0x634/0x1550 [ 68.825501][ T4156] do_notify_resume+0x3d0/0x32b8 [ 68.826452][ T4156] el0_svc+0xfc/0x1f0 [ 68.827353][ T4156] el0t_64_sync_handler+0x84/0xe4 [ 68.828500][ T4156] el0t_64_sync+0x1a0/0x1a4 [ 68.829490][ T4156] [ 68.829490][ T4156] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 68.830955][ T4156] __mutex_lock_common+0x194/0x2154 [ 68.832222][ T4156] mutex_lock_nested+0xa4/0xf8 [ 68.833315][ T4156] bg_scan_update+0x9c/0x470 [ 68.834450][ T4156] process_one_work+0x790/0x11b8 [ 68.835579][ T4156] worker_thread+0x910/0x1034 [ 68.836625][ T4156] kthread+0x37c/0x45c [ 68.837581][ T4156] ret_from_fork+0x10/0x20 [ 68.838603][ T4156] [ 68.838603][ T4156] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 68.840558][ T4156] __lock_acquire+0x32d4/0x7638 [ 68.841697][ T4156] lock_acquire+0x240/0x77c [ 68.842794][ T4156] __flush_work+0xf8/0x1c0 [ 68.843869][ T4156] __cancel_work_timer+0x3ec/0x548 [ 68.844940][ T4156] cancel_work_sync+0x24/0x38 [ 68.846003][ T4156] hci_request_cancel_all+0xcc/0x2d0 [ 68.847085][ T4156] hci_dev_do_close+0x54/0x1060 [ 68.848267][ T4156] hci_rfkill_set_block+0xdc/0x1d0 [ 68.849464][ T4156] rfkill_set_block+0x18c/0x37c [ 68.850613][ T4156] rfkill_fop_write+0x594/0x750 [ 68.851757][ T4156] vfs_write+0x280/0xb44 [ 68.852716][ T4156] ksys_write+0x15c/0x26c [ 68.853649][ T4156] __arm64_sys_write+0x7c/0x90 [ 68.854716][ T4156] invoke_syscall+0x98/0x2b8 [ 68.855849][ T4156] el0_svc_common+0x138/0x258 [ 68.856871][ T4156] do_el0_svc+0x58/0x14c [ 68.857901][ T4156] el0_svc+0x7c/0x1f0 [ 68.858833][ T4156] el0t_64_sync_handler+0x84/0xe4 [ 68.859882][ T4156] el0t_64_sync+0x1a0/0x1a4 [ 68.860912][ T4156] [ 68.860912][ T4156] other info that might help us debug this: [ 68.860912][ T4156] [ 68.863009][ T4156] Chain exists of: [ 68.863009][ T4156] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 68.863009][ T4156] [ 68.866190][ T4156] Possible unsafe locking scenario: [ 68.866190][ T4156] [ 68.867747][ T4156] CPU0 CPU1 [ 68.868873][ T4156] ---- ---- [ 68.870054][ T4156] lock(rfkill_global_mutex); [ 68.871046][ T4156] lock(&data->open_mutex); [ 68.872481][ T4156] lock(rfkill_global_mutex); [ 68.874003][ T4156] lock((work_completion)(&hdev->bg_scan_update)); [ 68.875263][ T4156] [ 68.875263][ T4156] *** DEADLOCK *** [ 68.875263][ T4156] [ 68.876832][ T4156] 1 lock held by syz.0.15/4156: [ 68.877799][ T4156] #0: ffff800016f25fe8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 68.879974][ T4156] [ 68.879974][ T4156] stack backtrace: [ 68.881207][ T4156] CPU: 0 PID: 4156 Comm: syz.0.15 Not tainted 5.15.173-syzkaller #0 [ 68.882775][ T4156] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 68.884939][ T4156] Call trace: [ 68.885557][ T4156] dump_backtrace+0x0/0x530 [ 68.886575][ T4156] show_stack+0x2c/0x3c [ 68.887450][ T4156] dump_stack_lvl+0x108/0x170 [ 68.888407][ T4156] dump_stack+0x1c/0x58 [ 68.889269][ T4156] print_circular_bug+0x150/0x1b8 [ 68.890397][ T4156] check_noncircular+0x2cc/0x378 [ 68.891384][ T4156] __lock_acquire+0x32d4/0x7638 [ 68.892393][ T4156] lock_acquire+0x240/0x77c [ 68.893273][ T4156] __flush_work+0xf8/0x1c0 [ 68.894193][ T4156] __cancel_work_timer+0x3ec/0x548 [ 68.895203][ T4156] cancel_work_sync+0x24/0x38 [ 68.896215][ T4156] hci_request_cancel_all+0xcc/0x2d0 [ 68.897368][ T4156] hci_dev_do_close+0x54/0x1060 [ 68.898274][ T4156] hci_rfkill_set_block+0xdc/0x1d0 [ 68.899311][ T4156] rfkill_set_block+0x18c/0x37c [ 68.900269][ T4156] rfkill_fop_write+0x594/0x750 [ 68.901361][ T4156] vfs_write+0x280/0xb44 [ 68.902252][ T4156] ksys_write+0x15c/0x26c [ 68.903126][ T4156] __arm64_sys_write+0x7c/0x90 [ 68.904078][ T4156] invoke_syscall+0x98/0x2b8 [ 68.905015][ T4156] el0_svc_common+0x138/0x258 [ 68.905999][ T4156] do_el0_svc+0x58/0x14c [ 68.906751][ T4156] el0_svc+0x7c/0x1f0 [ 68.907589][ T4156] el0t_64_sync_handler+0x84/0xe4 [ 68.908542][ T4156] el0t_64_sync+0x1a0/0x1a4 [ 68.912709][ T4119] Bluetooth: hci0: command 0x040f tx timeout