Warning: Permanently added '10.128.0.147' (ED25519) to the list of known hosts. 1970/01/01 00:00:46 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:00:48 parsed 1 programs [ 50.581125][ T4027] cgroup: Unknown subsys name 'net' [ 50.884472][ T4027] cgroup: Unknown subsys name 'rlimit' [ 51.245911][ T4027] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 59.312275][ T148] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 59.314345][ T148] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 59.317270][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 59.335250][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 59.337429][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 59.341349][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 60.400914][ T4083] chnl_net:caif_netlink_parms(): no params data found [ 60.439764][ T4083] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.441712][ T4083] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.444216][ T4083] device bridge_slave_0 entered promiscuous mode [ 60.449947][ T4083] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.451865][ T4083] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.454224][ T4083] device bridge_slave_1 entered promiscuous mode [ 60.476635][ T4083] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.482529][ T4083] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.500514][ T4083] team0: Port device team_slave_0 added [ 60.503979][ T4083] team0: Port device team_slave_1 added [ 60.519948][ T4083] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 60.521837][ T4083] 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. [ 60.529228][ T4083] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 60.533998][ T4083] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 60.535869][ T4083] 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. [ 60.544441][ T4083] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 60.610790][ T4083] device hsr_slave_0 entered promiscuous mode [ 60.658777][ T4083] device hsr_slave_1 entered promiscuous mode [ 60.783694][ T4083] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 60.821477][ T4083] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 60.881185][ T4083] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 60.920564][ T4083] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 60.976949][ T4083] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.979019][ T4083] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.981455][ T4083] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.983234][ T4083] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.032871][ T4083] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.041176][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.045923][ T148] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.050424][ T148] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.053746][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 61.061870][ T4083] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.074015][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.076701][ T148] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.078579][ T148] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.082314][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.085050][ T148] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.086883][ T148] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.100536][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.103684][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.112358][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.119096][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.125655][ T1601] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.131942][ T4083] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.213237][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.215492][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.224499][ T4083] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.241320][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 61.253821][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 61.256689][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 61.259993][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 61.270890][ T4083] device veth0_vlan entered promiscuous mode [ 61.276846][ T4083] device veth1_vlan entered promiscuous mode [ 61.303849][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 61.306575][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 61.309707][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 61.314479][ T4083] device veth0_macvtap entered promiscuous mode [ 61.319340][ T4083] device veth1_macvtap entered promiscuous mode [ 61.331553][ T4083] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 61.335118][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 61.340161][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 61.350873][ T4083] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 61.353342][ T1818] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 61.361865][ T4083] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.364233][ T4083] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.366465][ T4083] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.368999][ T4083] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:01:01 executed programs: 0 [ 62.057554][ T4116] chnl_net:caif_netlink_parms(): no params data found [ 62.095229][ T4116] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.097269][ T4116] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.099962][ T4116] device bridge_slave_0 entered promiscuous mode [ 62.104742][ T4116] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.106742][ T4116] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.109473][ T4116] device bridge_slave_1 entered promiscuous mode [ 62.124145][ T4116] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.128620][ T4116] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.144994][ T4116] team0: Port device team_slave_0 added [ 62.148190][ T4116] team0: Port device team_slave_1 added [ 62.161217][ T4116] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 62.162999][ T4116] 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. [ 62.170322][ T4116] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 62.175615][ T4116] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 62.177480][ T4116] 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. [ 62.184944][ T4116] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 62.240396][ T4116] device hsr_slave_0 entered promiscuous mode [ 62.289408][ T4116] device hsr_slave_1 entered promiscuous mode [ 62.328447][ T4116] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 62.330684][ T4116] Cannot create hsr debugfs directory [ 62.399841][ T4116] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 63.978939][ T4104] Bluetooth: hci0: command 0x0409 tx timeout [ 65.237401][ T4116] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 66.069200][ T4104] Bluetooth: hci0: command 0x041b tx timeout [ 66.944957][ T4116] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 67.007789][ T4116] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 67.292074][ T4116] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 67.350156][ T4116] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 67.394179][ T4116] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 67.450469][ T4116] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 67.548810][ T4116] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.555734][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.561767][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.567180][ T4116] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.572324][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.575016][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.577583][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.579502][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.582318][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.590908][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.593609][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.596106][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.597979][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.606920][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.615688][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.632696][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.635933][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.642931][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.645948][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.649189][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.651708][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.654285][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.660489][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.663115][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.669078][ T4116] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.756892][ T4116] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.760317][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 67.762382][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 67.776468][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 67.780566][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 67.794296][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 67.796902][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 67.800349][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 67.804371][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 67.810179][ T4116] device veth0_vlan entered promiscuous mode [ 67.816595][ T4116] device veth1_vlan entered promiscuous mode [ 67.835199][ T1601] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 67.837765][ T1601] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 67.840846][ T1601] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 67.843476][ T1601] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 67.848028][ T4116] device veth0_macvtap entered promiscuous mode [ 67.853689][ T4116] device veth1_macvtap entered promiscuous mode [ 67.866830][ T4116] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 67.870322][ T4116] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 67.873989][ T4116] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 67.876085][ T1601] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 67.880353][ T1601] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 67.882881][ T1601] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 67.886053][ T1601] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 67.892685][ T4116] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 67.895328][ T4116] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 67.899490][ T4116] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 67.901883][ T1601] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 67.904393][ T1601] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 67.909202][ T4116] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.911479][ T4116] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.913695][ T4116] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.916017][ T4116] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.974489][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.977040][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 68.138483][ T25] Bluetooth: hci0: command 0x040f tx timeout [ 68.222721][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 68.234873][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 68.237018][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 68.240088][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 68.341369][ T4128] [ 68.342126][ T4128] ====================================================== [ 68.343925][ T4128] WARNING: possible circular locking dependency detected [ 68.345851][ T4128] 5.15.178-syzkaller #0 Not tainted [ 68.347114][ T4128] ------------------------------------------------------ [ 68.348928][ T4128] syz.0.16/4128 is trying to acquire lock: [ 68.350557][ T4128] ffff0000d6db8c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xd0/0x1c0 [ 68.353568][ T4128] [ 68.353568][ T4128] but task is already holding lock: [ 68.355610][ T4128] ffff800016f39608 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 68.358176][ T4128] [ 68.358176][ T4128] which lock already depends on the new lock. [ 68.358176][ T4128] [ 68.360649][ T4128] [ 68.360649][ T4128] the existing dependency chain (in reverse order) is: [ 68.363082][ T4128] [ 68.363082][ T4128] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 68.365267][ T4128] __mutex_lock_common+0x194/0x2154 [ 68.366906][ T4128] mutex_lock_nested+0xa4/0xf8 [ 68.368264][ T4128] rfkill_register+0x44/0x7a4 [ 68.369684][ T4128] hci_register_dev+0x3e0/0x880 [ 68.371071][ T4128] vhci_create_device+0x2c4/0x568 [ 68.372581][ T4128] vhci_write+0x318/0x3b8 [ 68.373859][ T4128] vfs_write+0x884/0xb44 [ 68.375149][ T4128] ksys_write+0x15c/0x26c [ 68.376444][ T4128] __arm64_sys_write+0x7c/0x90 [ 68.377890][ T4128] invoke_syscall+0x98/0x2b8 [ 68.379267][ T4128] el0_svc_common+0x138/0x258 [ 68.380681][ T4128] do_el0_svc+0x58/0x14c [ 68.381974][ T4128] el0_svc+0x7c/0x1f0 [ 68.383187][ T4128] el0t_64_sync_handler+0x84/0xe4 [ 68.384972][ T4128] el0t_64_sync+0x1a0/0x1a4 [ 68.386277][ T4128] [ 68.386277][ T4128] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 68.388293][ T4128] __mutex_lock_common+0x194/0x2154 [ 68.389833][ T4128] mutex_lock_nested+0xa4/0xf8 [ 68.391176][ T4128] vhci_send_frame+0x8c/0x10c [ 68.392510][ T4128] hci_send_frame+0x194/0x2f0 [ 68.393818][ T4128] hci_tx_work+0x9ac/0x16cc [ 68.395162][ T4128] process_one_work+0x790/0x11b8 [ 68.396565][ T4128] worker_thread+0x910/0x1034 [ 68.397820][ T4128] kthread+0x37c/0x45c [ 68.399042][ T4128] ret_from_fork+0x10/0x20 [ 68.400346][ T4128] [ 68.400346][ T4128] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 68.402776][ T4128] __flush_work+0xf8/0x1c0 [ 68.404066][ T4128] flush_work+0x24/0x38 [ 68.405377][ T4128] hci_dev_do_close+0x16c/0x1060 [ 68.406880][ T4128] hci_unregister_dev+0x248/0x4d4 [ 68.408363][ T4128] vhci_release+0x74/0xc4 [ 68.409670][ T4128] __fput+0x1c4/0x800 [ 68.410820][ T4128] ____fput+0x20/0x30 [ 68.412132][ T4128] task_work_run+0x130/0x1e4 [ 68.413459][ T4128] do_exit+0x670/0x20bc [ 68.414697][ T4128] do_group_exit+0x110/0x268 [ 68.415956][ T4128] get_signal+0x634/0x1550 [ 68.417416][ T4128] do_notify_resume+0x3d0/0x32b8 [ 68.418919][ T4128] el0_svc+0xfc/0x1f0 [ 68.420135][ T4128] el0t_64_sync_handler+0x84/0xe4 [ 68.421487][ T4128] el0t_64_sync+0x1a0/0x1a4 [ 68.422822][ T4128] [ 68.422822][ T4128] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 68.424966][ T4128] __mutex_lock_common+0x194/0x2154 [ 68.426490][ T4128] mutex_lock_nested+0xa4/0xf8 [ 68.427768][ T4128] bg_scan_update+0x9c/0x470 [ 68.429068][ T4128] process_one_work+0x790/0x11b8 [ 68.430480][ T4128] worker_thread+0x910/0x1034 [ 68.431832][ T4128] kthread+0x37c/0x45c [ 68.433039][ T4128] ret_from_fork+0x10/0x20 [ 68.434261][ T4128] [ 68.434261][ T4128] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 68.436781][ T4128] __lock_acquire+0x32d4/0x7638 [ 68.438114][ T4128] lock_acquire+0x240/0x77c [ 68.439400][ T4128] __flush_work+0xf8/0x1c0 [ 68.440676][ T4128] __cancel_work_timer+0x3ec/0x548 [ 68.442140][ T4128] cancel_work_sync+0x24/0x38 [ 68.443575][ T4128] hci_request_cancel_all+0xcc/0x2d0 [ 68.445025][ T4128] hci_dev_do_close+0x54/0x1060 [ 68.446446][ T4128] hci_rfkill_set_block+0xdc/0x1d0 [ 68.447885][ T4128] rfkill_set_block+0x18c/0x37c [ 68.449268][ T4128] rfkill_fop_write+0x594/0x750 [ 68.450654][ T4128] vfs_write+0x280/0xb44 [ 68.451995][ T4128] ksys_write+0x15c/0x26c [ 68.453360][ T4128] __arm64_sys_write+0x7c/0x90 [ 68.454817][ T4128] invoke_syscall+0x98/0x2b8 [ 68.456169][ T4128] el0_svc_common+0x138/0x258 [ 68.457450][ T4128] do_el0_svc+0x58/0x14c [ 68.458720][ T4128] el0_svc+0x7c/0x1f0 [ 68.459883][ T4128] el0t_64_sync_handler+0x84/0xe4 [ 68.461327][ T4128] el0t_64_sync+0x1a0/0x1a4 [ 68.462800][ T4128] [ 68.462800][ T4128] other info that might help us debug this: [ 68.462800][ T4128] [ 68.465630][ T4128] Chain exists of: [ 68.465630][ T4128] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 68.465630][ T4128] [ 68.469887][ T4128] Possible unsafe locking scenario: [ 68.469887][ T4128] [ 68.471825][ T4128] CPU0 CPU1 [ 68.473190][ T4128] ---- ---- [ 68.474585][ T4128] lock(rfkill_global_mutex); [ 68.475822][ T4128] lock(&data->open_mutex); [ 68.477757][ T4128] lock(rfkill_global_mutex); [ 68.479570][ T4128] lock((work_completion)(&hdev->bg_scan_update)); [ 68.481334][ T4128] [ 68.481334][ T4128] *** DEADLOCK *** [ 68.481334][ T4128] [ 68.483387][ T4128] 1 lock held by syz.0.16/4128: [ 68.484630][ T4128] #0: ffff800016f39608 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 68.487333][ T4128] [ 68.487333][ T4128] stack backtrace: [ 68.488808][ T4128] CPU: 1 PID: 4128 Comm: syz.0.16 Not tainted 5.15.178-syzkaller #0 [ 68.490818][ T4128] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 68.493427][ T4128] Call trace: [ 68.494260][ T4128] dump_backtrace+0x0/0x530 [ 68.495386][ T4128] show_stack+0x2c/0x3c [ 68.496396][ T4128] dump_stack_lvl+0x108/0x170 [ 68.497573][ T4128] dump_stack+0x1c/0x58 [ 68.498679][ T4128] print_circular_bug+0x150/0x1b8 [ 68.499921][ T4128] check_noncircular+0x2cc/0x378 [ 68.501307][ T4128] __lock_acquire+0x32d4/0x7638 [ 68.502519][ T4128] lock_acquire+0x240/0x77c [ 68.503803][ T4128] __flush_work+0xf8/0x1c0 [ 68.504951][ T4128] __cancel_work_timer+0x3ec/0x548 [ 68.506249][ T4128] cancel_work_sync+0x24/0x38 [ 68.507534][ T4128] hci_request_cancel_all+0xcc/0x2d0 [ 68.508871][ T4128] hci_dev_do_close+0x54/0x1060 [ 68.510177][ T4128] hci_rfkill_set_block+0xdc/0x1d0 [ 68.511540][ T4128] rfkill_set_block+0x18c/0x37c [ 68.512781][ T4128] rfkill_fop_write+0x594/0x750 [ 68.514015][ T4128] vfs_write+0x280/0xb44 [ 68.515120][ T4128] ksys_write+0x15c/0x26c [ 68.516284][ T4128] __arm64_sys_write+0x7c/0x90 [ 68.517460][ T4128] invoke_syscall+0x98/0x2b8 [ 68.518668][ T4128] el0_svc_common+0x138/0x258 [ 68.520044][ T4128] do_el0_svc+0x58/0x14c [ 68.521142][ T4128] el0_svc+0x7c/0x1f0 [ 68.522204][ T4128] el0t_64_sync_handler+0x84/0xe4 [ 68.523491][ T4128] el0t_64_sync+0x1a0/0x1a4