Warning: Permanently added '10.128.0.149' (ED25519) to the list of known hosts. 1970/01/01 00:00:44 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:00:45 parsed 1 programs [ 47.778190][ T4029] cgroup: Unknown subsys name 'net' [ 48.002398][ T4029] cgroup: Unknown subsys name 'rlimit' [ 48.329688][ T4029] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 55.599694][ T4050] chnl_net:caif_netlink_parms(): no params data found [ 55.636875][ T4050] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.638568][ T4050] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.640687][ T4050] device bridge_slave_0 entered promiscuous mode [ 55.650494][ T4050] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.651955][ T4050] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.654230][ T4050] device bridge_slave_1 entered promiscuous mode [ 55.671323][ T4050] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.674948][ T4050] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.693145][ T4050] team0: Port device team_slave_0 added [ 55.697332][ T4050] team0: Port device team_slave_1 added [ 55.710342][ T4050] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 55.711972][ T4050] 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. [ 55.717541][ T4050] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 55.721736][ T4050] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 55.723231][ T4050] 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. [ 55.729194][ T4050] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 55.798953][ T4050] device hsr_slave_0 entered promiscuous mode [ 55.836031][ T4050] device hsr_slave_1 entered promiscuous mode [ 55.983530][ T4050] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 56.020875][ T4050] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 56.059916][ T4050] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 56.101932][ T4050] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 56.211884][ T4050] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.213571][ T4050] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.215612][ T4050] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.217227][ T4050] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.268420][ T4050] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.271271][ T136] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.274472][ T136] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.288794][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.291733][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.297445][ T4050] 8021q: adding VLAN 0 to HW filter on device team0 [ 56.301681][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 56.303938][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.306799][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.308373][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.315087][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 56.319448][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.321594][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.323103][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.340220][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 56.342811][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 56.345332][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 56.348923][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 56.351503][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 56.353888][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 56.358583][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 56.360732][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 56.363143][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 56.368258][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 56.370414][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 56.373764][ T4050] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 56.448865][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 56.450762][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 56.457334][ T4050] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 56.469294][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 56.471877][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 56.485279][ T4050] device veth0_vlan entered promiscuous mode [ 56.489291][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 56.491652][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 56.494423][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 56.497248][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 56.503616][ T4050] device veth1_vlan entered promiscuous mode [ 56.518812][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 56.520974][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 56.523065][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 56.525405][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 56.531488][ T4050] device veth0_macvtap entered promiscuous mode [ 56.535217][ T4050] device veth1_macvtap entered promiscuous mode [ 56.545418][ T4050] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 56.548962][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 56.551336][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 56.553454][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 56.556996][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 56.561221][ T4050] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 56.562958][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 56.565294][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 56.571068][ T4050] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.572955][ T4050] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.574822][ T4050] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.579948][ T4050] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.761243][ T271] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 57.794713][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 57.796775][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 57.799425][ T411] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 57.816685][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 57.818393][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 57.820761][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:00:58 executed programs: 0 [ 58.458147][ T4108] chnl_net:caif_netlink_parms(): no params data found [ 58.492095][ T4108] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.493709][ T4108] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.497036][ T4108] device bridge_slave_0 entered promiscuous mode [ 58.500760][ T4108] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.502373][ T4108] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.504554][ T4108] device bridge_slave_1 entered promiscuous mode [ 58.520812][ T4108] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.526019][ T4108] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.540602][ T4108] team0: Port device team_slave_0 added [ 58.543968][ T4108] team0: Port device team_slave_1 added [ 58.558142][ T4108] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 58.559678][ T4108] 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. [ 58.565049][ T4108] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 58.569100][ T4108] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 58.570587][ T4108] 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. [ 58.575926][ T4108] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 58.628102][ T4108] device hsr_slave_0 entered promiscuous mode [ 58.686212][ T4108] device hsr_slave_1 entered promiscuous mode [ 58.735932][ T4108] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 58.737716][ T4108] Cannot create hsr debugfs directory [ 59.873455][ T271] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 60.426474][ T25] Bluetooth: hci0: command 0x0409 tx timeout [ 62.432295][ T271] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 62.505802][ T271] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 62.516122][ T3323] Bluetooth: hci0: command 0x041b tx timeout [ 63.424695][ T4108] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 63.488319][ T4108] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 63.539406][ T4108] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 63.597958][ T4108] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 63.684483][ T4108] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.693881][ T411] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.697107][ T411] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.702098][ T4108] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.708233][ T411] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.710559][ T411] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.713003][ T411] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.714461][ T411] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.717799][ T411] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.723470][ T411] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.725772][ T411] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.727824][ T411] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.729337][ T411] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.733757][ T411] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.741868][ T518] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.748580][ T518] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.751298][ T518] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.753594][ T518] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.799245][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.801716][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.808167][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.810648][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.814201][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.819339][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.823704][ T4108] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.895515][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 63.898041][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.904839][ T4108] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.917489][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 63.921097][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 63.935404][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 63.940561][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 63.942914][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 63.944990][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 63.958188][ T4108] device veth0_vlan entered promiscuous mode [ 63.964218][ T4108] device veth1_vlan entered promiscuous mode [ 63.978682][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 63.980920][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 63.983037][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 63.985423][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 63.990609][ T4108] device veth0_macvtap entered promiscuous mode [ 63.994670][ T4108] device veth1_macvtap entered promiscuous mode [ 64.005480][ T4108] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 64.009233][ T4108] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 64.012251][ T4108] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 64.013977][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 64.016943][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 64.019169][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 64.021374][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 64.025196][ T4108] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 64.027491][ T4108] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 64.030436][ T4108] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 64.032789][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 64.035137][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 64.040472][ T4108] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.042376][ T4108] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.044327][ T4108] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.046420][ T4108] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.086653][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.088405][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.090819][ T411] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 64.102463][ T411] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.104234][ T411] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.107372][ T411] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 64.310531][ T4162] [ 64.311120][ T4162] ====================================================== [ 64.312622][ T4162] WARNING: possible circular locking dependency detected [ 64.314087][ T4162] 5.15.173-syzkaller #0 Not tainted [ 64.315189][ T4162] ------------------------------------------------------ [ 64.316655][ T4162] syz.0.15/4162 is trying to acquire lock: [ 64.317925][ T4162] ffff0000d66fcc28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xd0/0x1c0 [ 64.320333][ T4162] [ 64.320333][ T4162] but task is already holding lock: [ 64.321980][ T4162] ffff800016f25fe8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 64.324110][ T4162] [ 64.324110][ T4162] which lock already depends on the new lock. [ 64.324110][ T4162] [ 64.326331][ T4162] [ 64.326331][ T4162] the existing dependency chain (in reverse order) is: [ 64.328290][ T4162] [ 64.328290][ T4162] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 64.329933][ T4162] __mutex_lock_common+0x194/0x2154 [ 64.331171][ T4162] mutex_lock_nested+0xa4/0xf8 [ 64.332361][ T4162] rfkill_register+0x44/0x7a4 [ 64.333502][ T4162] hci_register_dev+0x3e0/0x880 [ 64.334539][ T4162] vhci_create_device+0x2c4/0x568 [ 64.335748][ T4162] vhci_write+0x318/0x3b8 [ 64.336798][ T4162] vfs_write+0x884/0xb44 [ 64.337737][ T4162] ksys_write+0x15c/0x26c [ 64.338673][ T4162] __arm64_sys_write+0x7c/0x90 [ 64.339804][ T4162] invoke_syscall+0x98/0x2b8 [ 64.340885][ T4162] el0_svc_common+0x138/0x258 [ 64.342034][ T4162] do_el0_svc+0x58/0x14c [ 64.343038][ T4162] el0_svc+0x7c/0x1f0 [ 64.344084][ T4162] el0t_64_sync_handler+0x84/0xe4 [ 64.345355][ T4162] el0t_64_sync+0x1a0/0x1a4 [ 64.346362][ T4162] [ 64.346362][ T4162] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 64.347935][ T4162] __mutex_lock_common+0x194/0x2154 [ 64.349051][ T4162] mutex_lock_nested+0xa4/0xf8 [ 64.350169][ T4162] vhci_send_frame+0x8c/0x10c [ 64.351375][ T4162] hci_send_frame+0x194/0x2f0 [ 64.352424][ T4162] hci_tx_work+0x9ac/0x16cc [ 64.353585][ T4162] process_one_work+0x790/0x11b8 [ 64.354862][ T4162] worker_thread+0x910/0x1034 [ 64.355906][ T4162] kthread+0x37c/0x45c [ 64.356930][ T4162] ret_from_fork+0x10/0x20 [ 64.357861][ T4162] [ 64.357861][ T4162] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 64.359743][ T4162] __flush_work+0xf8/0x1c0 [ 64.360884][ T4162] flush_work+0x24/0x38 [ 64.361852][ T4162] hci_dev_do_close+0x16c/0x1060 [ 64.362974][ T4162] hci_unregister_dev+0x248/0x4d4 [ 64.364051][ T4162] vhci_release+0x74/0xc4 [ 64.365157][ T4162] __fput+0x1c4/0x800 [ 64.366070][ T4162] ____fput+0x20/0x30 [ 64.367007][ T4162] task_work_run+0x130/0x1e4 [ 64.367983][ T4162] do_exit+0x670/0x20bc [ 64.368950][ T4162] do_group_exit+0x110/0x268 [ 64.370123][ T4162] get_signal+0x634/0x1550 [ 64.371144][ T4162] do_notify_resume+0x3d0/0x32b8 [ 64.372281][ T4162] el0_svc+0xfc/0x1f0 [ 64.373209][ T4162] el0t_64_sync_handler+0x84/0xe4 [ 64.374344][ T4162] el0t_64_sync+0x1a0/0x1a4 [ 64.375347][ T4162] [ 64.375347][ T4162] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 64.377022][ T4162] __mutex_lock_common+0x194/0x2154 [ 64.378223][ T4162] mutex_lock_nested+0xa4/0xf8 [ 64.379351][ T4162] bg_scan_update+0x9c/0x470 [ 64.380480][ T4162] process_one_work+0x790/0x11b8 [ 64.381737][ T4162] worker_thread+0x910/0x1034 [ 64.382784][ T4162] kthread+0x37c/0x45c [ 64.383882][ T4162] ret_from_fork+0x10/0x20 [ 64.384971][ T4162] [ 64.384971][ T4162] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 64.387132][ T4162] __lock_acquire+0x32d4/0x7638 [ 64.388416][ T4162] lock_acquire+0x240/0x77c [ 64.389445][ T4162] __flush_work+0xf8/0x1c0 [ 64.390362][ T4162] __cancel_work_timer+0x3ec/0x548 [ 64.391439][ T4162] cancel_work_sync+0x24/0x38 [ 64.392496][ T4162] hci_request_cancel_all+0xcc/0x2d0 [ 64.393692][ T4162] hci_dev_do_close+0x54/0x1060 [ 64.394711][ T4162] hci_rfkill_set_block+0xdc/0x1d0 [ 64.395872][ T4162] rfkill_set_block+0x18c/0x37c [ 64.397064][ T4162] rfkill_fop_write+0x594/0x750 [ 64.398347][ T4162] vfs_write+0x280/0xb44 [ 64.399304][ T4162] ksys_write+0x15c/0x26c [ 64.400249][ T4162] __arm64_sys_write+0x7c/0x90 [ 64.401415][ T4162] invoke_syscall+0x98/0x2b8 [ 64.402515][ T4162] el0_svc_common+0x138/0x258 [ 64.403622][ T4162] do_el0_svc+0x58/0x14c [ 64.404637][ T4162] el0_svc+0x7c/0x1f0 [ 64.405577][ T4162] el0t_64_sync_handler+0x84/0xe4 [ 64.406706][ T4162] el0t_64_sync+0x1a0/0x1a4 [ 64.407774][ T4162] [ 64.407774][ T4162] other info that might help us debug this: [ 64.407774][ T4162] [ 64.409867][ T4162] Chain exists of: [ 64.409867][ T4162] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 64.409867][ T4162] [ 64.413158][ T4162] Possible unsafe locking scenario: [ 64.413158][ T4162] [ 64.414740][ T4162] CPU0 CPU1 [ 64.415975][ T4162] ---- ---- [ 64.417108][ T4162] lock(rfkill_global_mutex); [ 64.418219][ T4162] lock(&data->open_mutex); [ 64.419640][ T4162] lock(rfkill_global_mutex); [ 64.421225][ T4162] lock((work_completion)(&hdev->bg_scan_update)); [ 64.422700][ T4162] [ 64.422700][ T4162] *** DEADLOCK *** [ 64.422700][ T4162] [ 64.424562][ T4162] 1 lock held by syz.0.15/4162: [ 64.425589][ T4162] #0: ffff800016f25fe8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 64.427754][ T4162] [ 64.427754][ T4162] stack backtrace: [ 64.429017][ T4162] CPU: 1 PID: 4162 Comm: syz.0.15 Not tainted 5.15.173-syzkaller #0 [ 64.430707][ T4162] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 64.432798][ T4162] Call trace: [ 64.433518][ T4162] dump_backtrace+0x0/0x530 [ 64.434498][ T4162] show_stack+0x2c/0x3c [ 64.435428][ T4162] dump_stack_lvl+0x108/0x170 [ 64.436410][ T4162] dump_stack+0x1c/0x58 [ 64.437337][ T4162] print_circular_bug+0x150/0x1b8 [ 64.438568][ T4162] check_noncircular+0x2cc/0x378 [ 64.439597][ T4162] __lock_acquire+0x32d4/0x7638 [ 64.440700][ T4162] lock_acquire+0x240/0x77c [ 64.441730][ T4162] __flush_work+0xf8/0x1c0 [ 64.442814][ T4162] __cancel_work_timer+0x3ec/0x548 [ 64.443977][ T4162] cancel_work_sync+0x24/0x38 [ 64.444985][ T4162] hci_request_cancel_all+0xcc/0x2d0 [ 64.446050][ T4162] hci_dev_do_close+0x54/0x1060 [ 64.447003][ T4162] hci_rfkill_set_block+0xdc/0x1d0 [ 64.448037][ T4162] rfkill_set_block+0x18c/0x37c [ 64.449048][ T4162] rfkill_fop_write+0x594/0x750 [ 64.450098][ T4162] vfs_write+0x280/0xb44 [ 64.451001][ T4162] ksys_write+0x15c/0x26c [ 64.451918][ T4162] __arm64_sys_write+0x7c/0x90 [ 64.452894][ T4162] invoke_syscall+0x98/0x2b8 [ 64.453774][ T4162] el0_svc_common+0x138/0x258 [ 64.454747][ T4162] do_el0_svc+0x58/0x14c [ 64.455641][ T4162] el0_svc+0x7c/0x1f0 [ 64.456459][ T4162] el0t_64_sync_handler+0x84/0xe4 [ 64.457454][ T4162] el0t_64_sync+0x1a0/0x1a4 [ 64.586066][ T21] Bluetooth: hci0: command 0x040f tx timeout