Warning: Permanently added '10.128.0.209' (ED25519) to the list of known hosts. 1970/01/01 00:00:44 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:00:44 parsed 1 programs [ 47.533310][ T4020] cgroup: Unknown subsys name 'net' [ 47.774031][ T4020] cgroup: Unknown subsys name 'rlimit' [ 48.129465][ T4020] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 50.206722][ T4057] chnl_net:caif_netlink_parms(): no params data found [ 50.252602][ T4057] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.254628][ T4057] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.257846][ T4057] device bridge_slave_0 entered promiscuous mode [ 50.263103][ T4057] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.265209][ T4057] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.268347][ T4057] device bridge_slave_1 entered promiscuous mode [ 50.287971][ T4057] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 50.293458][ T4057] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 50.309373][ T4057] team0: Port device team_slave_0 added [ 50.312808][ T4057] team0: Port device team_slave_1 added [ 50.327727][ T4057] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 50.329749][ T4057] 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. [ 50.337117][ T4057] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 50.345580][ T4057] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 50.347764][ T4057] 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. [ 50.354584][ T4057] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 50.419298][ T4057] device hsr_slave_0 entered promiscuous mode [ 50.467414][ T4057] device hsr_slave_1 entered promiscuous mode [ 50.597464][ T4057] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 50.652250][ T4057] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 50.729964][ T4057] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 50.793650][ T4057] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 50.883314][ T4057] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.885483][ T4057] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.888079][ T4057] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.890032][ T4057] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.941930][ T4057] 8021q: adding VLAN 0 to HW filter on device bond0 [ 50.953357][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 50.958273][ T314] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.962011][ T314] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.972368][ T4057] 8021q: adding VLAN 0 to HW filter on device team0 [ 50.980159][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 50.982958][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.984868][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.001343][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 51.003986][ T314] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.005918][ T314] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.013409][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 51.023949][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 51.029208][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 51.040492][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 51.043776][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 51.047752][ T4057] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 51.122039][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 51.124245][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 51.135489][ T4057] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 51.148724][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 51.151869][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 51.165971][ T4057] device veth0_vlan entered promiscuous mode [ 51.172023][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 51.175259][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 51.179917][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 51.182569][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 51.190405][ T4057] device veth1_vlan entered promiscuous mode [ 51.206072][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 51.211427][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 51.214258][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 51.217721][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 51.222227][ T4057] device veth0_macvtap entered promiscuous mode [ 51.226815][ T4057] device veth1_macvtap entered promiscuous mode [ 51.242240][ T4057] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 51.244450][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 51.250067][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 51.252834][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 51.255822][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 51.272720][ T4057] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 51.274838][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 51.279815][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 51.285414][ T4057] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.296951][ T4057] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.299314][ T4057] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.301693][ T4057] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.443640][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 51.445935][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 51.452807][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 51.466212][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 51.470044][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 51.473285][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 52.480120][ T153] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:52 executed programs: 0 [ 52.847372][ T4100] chnl_net:caif_netlink_parms(): no params data found [ 52.886114][ T4100] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.888635][ T4100] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.891451][ T4100] device bridge_slave_0 entered promiscuous mode [ 52.895328][ T4100] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.898181][ T4100] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.900914][ T4100] device bridge_slave_1 entered promiscuous mode [ 52.918980][ T4100] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 52.923570][ T4100] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 52.939624][ T4100] team0: Port device team_slave_0 added [ 52.943108][ T4100] team0: Port device team_slave_1 added [ 52.957342][ T4100] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 52.959283][ T4100] 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. [ 52.966244][ T4100] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 52.971982][ T4100] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 52.973840][ T4100] 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. [ 52.980998][ T4100] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 53.039325][ T4100] device hsr_slave_0 entered promiscuous mode [ 53.087387][ T4100] device hsr_slave_1 entered promiscuous mode [ 53.157183][ T4100] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 53.159644][ T4100] Cannot create hsr debugfs directory [ 54.777706][ T4052] Bluetooth: hci0: command 0x0409 tx timeout [ 55.194923][ T153] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 56.852847][ T153] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 56.857116][ T4052] Bluetooth: hci0: command 0x041b tx timeout [ 56.914811][ T153] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 57.856567][ T4100] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 57.888913][ T4100] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 57.949087][ T4100] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 57.990420][ T4100] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 58.078538][ T4100] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.085561][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.091023][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.095915][ T4100] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.102764][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.105438][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.108150][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.110034][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.112874][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.120875][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.123626][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.126243][ T314] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.128327][ T314] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.132409][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.138505][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.143635][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.147546][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.150356][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.159494][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.162563][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.170180][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.172889][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.175858][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.179596][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.184215][ T4100] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.254994][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.257219][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.264163][ T4100] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.279869][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 58.282755][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 58.295923][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 58.300259][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 58.303191][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 58.305735][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 58.311193][ T4100] device veth0_vlan entered promiscuous mode [ 58.319518][ T4100] device veth1_vlan entered promiscuous mode [ 58.383113][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 58.385830][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 58.391583][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 58.394501][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 58.400984][ T4100] device veth0_macvtap entered promiscuous mode [ 58.405491][ T4100] device veth1_macvtap entered promiscuous mode [ 58.416385][ T4100] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 58.419440][ T4100] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 58.423120][ T4100] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 58.425664][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 58.428649][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 58.431228][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 58.433996][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 58.438712][ T4100] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 58.441529][ T4100] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 58.445066][ T4100] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 58.450043][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 58.453130][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 58.459917][ T4100] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.462264][ T4100] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.464617][ T4100] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.467699][ T4100] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.508598][ T148] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 58.510854][ T148] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 58.514894][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 58.526802][ T314] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 58.530856][ T314] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 58.533868][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 58.692483][ T4155] [ 58.693329][ T4155] ====================================================== [ 58.695184][ T4155] WARNING: possible circular locking dependency detected [ 58.697100][ T4155] 5.15.165-syzkaller #0 Not tainted [ 58.698568][ T4155] ------------------------------------------------------ [ 58.700431][ T4155] syz.0.15/4155 is trying to acquire lock: [ 58.702044][ T4155] ffff0000d4df0c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xd0/0x1c0 [ 58.705031][ T4155] [ 58.705031][ T4155] but task is already holding lock: [ 58.707115][ T4155] ffff800016e77d28 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 58.709876][ T4155] [ 58.709876][ T4155] which lock already depends on the new lock. [ 58.709876][ T4155] [ 58.712643][ T4155] [ 58.712643][ T4155] the existing dependency chain (in reverse order) is: [ 58.715189][ T4155] [ 58.715189][ T4155] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 58.717500][ T4155] __mutex_lock_common+0x194/0x2154 [ 58.719058][ T4155] mutex_lock_nested+0xa4/0xf8 [ 58.720431][ T4155] rfkill_register+0x44/0x7a4 [ 58.721831][ T4155] hci_register_dev+0x3e0/0x880 [ 58.723339][ T4155] vhci_create_device+0x2c4/0x568 [ 58.724873][ T4155] vhci_write+0x318/0x3b8 [ 58.726168][ T4155] vfs_write+0x884/0xb44 [ 58.727514][ T4155] ksys_write+0x15c/0x26c [ 58.728860][ T4155] __arm64_sys_write+0x7c/0x90 [ 58.730253][ T4155] invoke_syscall+0x98/0x2b8 [ 58.731660][ T4155] el0_svc_common+0x138/0x258 [ 58.733059][ T4155] do_el0_svc+0x58/0x14c [ 58.734336][ T4155] el0_svc+0x7c/0x1f0 [ 58.735635][ T4155] el0t_64_sync_handler+0x84/0xe4 [ 58.737110][ T4155] el0t_64_sync+0x1a0/0x1a4 [ 58.738523][ T4155] [ 58.738523][ T4155] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 58.740762][ T4155] __mutex_lock_common+0x194/0x2154 [ 58.742314][ T4155] mutex_lock_nested+0xa4/0xf8 [ 58.743844][ T4155] vhci_send_frame+0x8c/0x10c [ 58.745263][ T4155] hci_send_frame+0x194/0x2f0 [ 58.746738][ T4155] hci_tx_work+0x8d8/0x157c [ 58.748120][ T4155] process_one_work+0x790/0x11b8 [ 58.749600][ T4155] worker_thread+0x910/0x1034 [ 58.751023][ T4155] kthread+0x37c/0x45c [ 58.752266][ T4155] ret_from_fork+0x10/0x20 [ 58.753667][ T4155] [ 58.753667][ T4155] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 58.756143][ T4155] __flush_work+0xf8/0x1c0 [ 58.757513][ T4155] flush_work+0x24/0x38 [ 58.758739][ T4155] hci_dev_do_close+0x16c/0x1060 [ 58.760343][ T4155] hci_unregister_dev+0x248/0x4d4 [ 58.761827][ T4155] vhci_release+0x74/0xc4 [ 58.763186][ T4155] __fput+0x1c4/0x800 [ 58.764424][ T4155] ____fput+0x20/0x30 [ 58.765896][ T4155] task_work_run+0x130/0x1e4 [ 58.767292][ T4155] do_exit+0x670/0x20bc [ 58.768615][ T4155] do_group_exit+0x110/0x268 [ 58.770060][ T4155] get_signal+0x634/0x1550 [ 58.771528][ T4155] do_notify_resume+0x3d0/0x32b8 [ 58.773023][ T4155] el0_svc+0xfc/0x1f0 [ 58.774237][ T4155] el0t_64_sync_handler+0x84/0xe4 [ 58.775808][ T4155] el0t_64_sync+0x1a0/0x1a4 [ 58.777204][ T4155] [ 58.777204][ T4155] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 58.779341][ T4155] __mutex_lock_common+0x194/0x2154 [ 58.780860][ T4155] mutex_lock_nested+0xa4/0xf8 [ 58.782267][ T4155] bg_scan_update+0x9c/0x470 [ 58.783627][ T4155] process_one_work+0x790/0x11b8 [ 58.785113][ T4155] worker_thread+0x910/0x1034 [ 58.786611][ T4155] kthread+0x37c/0x45c [ 58.787885][ T4155] ret_from_fork+0x10/0x20 [ 58.789192][ T4155] [ 58.789192][ T4155] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 58.791975][ T4155] __lock_acquire+0x32d4/0x7638 [ 58.793513][ T4155] lock_acquire+0x240/0x77c [ 58.794842][ T4155] __flush_work+0xf8/0x1c0 [ 58.796247][ T4155] __cancel_work_timer+0x3ec/0x548 [ 58.797891][ T4155] cancel_work_sync+0x24/0x38 [ 58.799367][ T4155] hci_request_cancel_all+0xcc/0x2d0 [ 58.800925][ T4155] hci_dev_do_close+0x54/0x1060 [ 58.802352][ T4155] hci_rfkill_set_block+0xdc/0x1d0 [ 58.803840][ T4155] rfkill_set_block+0x18c/0x37c [ 58.805281][ T4155] rfkill_fop_write+0x594/0x750 [ 58.806801][ T4155] vfs_write+0x280/0xb44 [ 58.808049][ T4155] ksys_write+0x15c/0x26c [ 58.809394][ T4155] __arm64_sys_write+0x7c/0x90 [ 58.810839][ T4155] invoke_syscall+0x98/0x2b8 [ 58.812188][ T4155] el0_svc_common+0x138/0x258 [ 58.813664][ T4155] do_el0_svc+0x58/0x14c [ 58.814950][ T4155] el0_svc+0x7c/0x1f0 [ 58.816246][ T4155] el0t_64_sync_handler+0x84/0xe4 [ 58.817691][ T4155] el0t_64_sync+0x1a0/0x1a4 [ 58.819044][ T4155] [ 58.819044][ T4155] other info that might help us debug this: [ 58.819044][ T4155] [ 58.821779][ T4155] Chain exists of: [ 58.821779][ T4155] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 58.821779][ T4155] [ 58.826165][ T4155] Possible unsafe locking scenario: [ 58.826165][ T4155] [ 58.828271][ T4155] CPU0 CPU1 [ 58.829711][ T4155] ---- ---- [ 58.831134][ T4155] lock(rfkill_global_mutex); [ 58.832447][ T4155] lock(&data->open_mutex); [ 58.834465][ T4155] lock(rfkill_global_mutex); [ 58.836482][ T4155] lock((work_completion)(&hdev->bg_scan_update)); [ 58.838360][ T4155] [ 58.838360][ T4155] *** DEADLOCK *** [ 58.838360][ T4155] [ 58.840506][ T4155] 1 lock held by syz.0.15/4155: [ 58.841858][ T4155] #0: ffff800016e77d28 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 58.844679][ T4155] [ 58.844679][ T4155] stack backtrace: [ 58.846249][ T4155] CPU: 0 PID: 4155 Comm: syz.0.15 Not tainted 5.15.165-syzkaller #0 [ 58.848410][ T4155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 58.851137][ T4155] Call trace: [ 58.852033][ T4155] dump_backtrace+0x0/0x530 [ 58.853257][ T4155] show_stack+0x2c/0x3c [ 58.854374][ T4155] dump_stack_lvl+0x108/0x170 [ 58.855704][ T4155] dump_stack+0x1c/0x58 [ 58.856889][ T4155] print_circular_bug+0x150/0x1b8 [ 58.858289][ T4155] check_noncircular+0x2cc/0x378 [ 58.859629][ T4155] __lock_acquire+0x32d4/0x7638 [ 58.860999][ T4155] lock_acquire+0x240/0x77c [ 58.862244][ T4155] __flush_work+0xf8/0x1c0 [ 58.863495][ T4155] __cancel_work_timer+0x3ec/0x548 [ 58.864862][ T4155] cancel_work_sync+0x24/0x38 [ 58.866187][ T4155] hci_request_cancel_all+0xcc/0x2d0 [ 58.867670][ T4155] hci_dev_do_close+0x54/0x1060 [ 58.869089][ T4155] hci_rfkill_set_block+0xdc/0x1d0 [ 58.870500][ T4155] rfkill_set_block+0x18c/0x37c [ 58.871879][ T4155] rfkill_fop_write+0x594/0x750 [ 58.873170][ T4155] vfs_write+0x280/0xb44 [ 58.874348][ T4155] ksys_write+0x15c/0x26c [ 58.875543][ T4155] __arm64_sys_write+0x7c/0x90 [ 58.876834][ T4155] invoke_syscall+0x98/0x2b8 [ 58.878118][ T4155] el0_svc_common+0x138/0x258 [ 58.879561][ T4155] do_el0_svc+0x58/0x14c [ 58.880686][ T4155] el0_svc+0x7c/0x1f0 [ 58.881801][ T4155] el0t_64_sync_handler+0x84/0xe4 [ 58.883254][ T4155] el0t_64_sync+0x1a0/0x1a4 [ 58.937755][ T4150] Bluetooth: hci0: command 0x040f tx timeout