Warning: Permanently added '10.128.1.248' (ED25519) to the list of known hosts. 1970/01/01 00:00:43 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:00:44 parsed 1 programs [ 46.892535][ T4039] cgroup: Unknown subsys name 'net' [ 47.200495][ T4039] cgroup: Unknown subsys name 'rlimit' [ 47.570615][ T4039] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 56.307637][ T511] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 56.308838][ T511] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 56.311905][ T296] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 56.329067][ T296] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 56.330311][ T296] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 56.332091][ T296] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 56.937051][ T4091] chnl_net:caif_netlink_parms(): no params data found [ 56.979573][ T4091] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.980717][ T4091] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.982598][ T4091] device bridge_slave_0 entered promiscuous mode [ 56.986636][ T4091] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.987809][ T4091] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.989592][ T4091] device bridge_slave_1 entered promiscuous mode [ 57.007212][ T4091] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.010764][ T4091] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.028026][ T4091] team0: Port device team_slave_0 added [ 57.030895][ T4091] team0: Port device team_slave_1 added [ 57.045985][ T4091] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 57.046921][ T4091] 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. [ 57.050640][ T4091] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 57.054091][ T4091] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 57.057092][ T4091] 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. [ 57.060882][ T4091] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 57.117808][ T4091] device hsr_slave_0 entered promiscuous mode [ 57.155874][ T4091] device hsr_slave_1 entered promiscuous mode [ 57.282993][ T4091] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 57.331609][ T4091] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 57.368376][ T4091] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 57.406645][ T4091] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 57.513691][ T4091] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.523240][ T511] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.526243][ T511] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.529994][ T4091] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.533914][ T511] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 57.536212][ T511] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.538212][ T511] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.539299][ T511] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.541326][ T511] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.557062][ T511] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 57.559799][ T511] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.561532][ T511] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.562663][ T511] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.564108][ T511] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 57.568669][ T511] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 57.570406][ T511] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 57.572586][ T511] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 57.574661][ T511] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 57.576700][ T511] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 57.578530][ T511] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 57.582673][ T1600] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 57.584675][ T1600] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 57.597369][ T511] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 57.599256][ T511] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 57.602912][ T4091] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 57.683561][ T4091] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 57.687682][ T296] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 57.688959][ T296] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 57.702041][ T296] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 57.703823][ T296] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 57.718834][ T296] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 57.720472][ T296] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 57.722716][ T296] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 57.726514][ T296] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 57.730300][ T4091] device veth0_vlan entered promiscuous mode [ 57.737965][ T4091] device veth1_vlan entered promiscuous mode [ 57.752527][ T1600] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 57.754565][ T1600] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 57.756155][ T1600] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 57.757907][ T1600] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 57.761483][ T4091] device veth0_macvtap entered promiscuous mode [ 57.768699][ T4091] device veth1_macvtap entered promiscuous mode [ 57.779344][ T4091] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 57.780643][ T296] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 57.782224][ T296] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 57.783987][ T296] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 57.786821][ T296] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 57.792675][ T4091] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 57.793769][ T296] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 57.795878][ T296] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 57.800117][ T4091] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.801563][ T4091] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.802990][ T4091] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.804819][ T4091] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.281250][ T9] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:59 executed programs: 0 [ 59.346033][ T4136] chnl_net:caif_netlink_parms(): no params data found [ 59.380353][ T4136] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.381497][ T4136] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.383418][ T4136] device bridge_slave_0 entered promiscuous mode [ 59.386740][ T4136] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.387769][ T4136] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.389381][ T4136] device bridge_slave_1 entered promiscuous mode [ 59.408165][ T4136] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.411816][ T4136] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.426796][ T4136] team0: Port device team_slave_0 added [ 59.430488][ T4136] team0: Port device team_slave_1 added [ 59.443122][ T4136] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 59.444145][ T4136] 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. [ 59.448420][ T4136] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 59.451435][ T4136] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 59.452423][ T4136] 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. [ 59.457212][ T4136] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 59.526406][ T4136] device hsr_slave_0 entered promiscuous mode [ 59.574634][ T4136] device hsr_slave_1 entered promiscuous mode [ 59.644327][ T4136] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 59.645486][ T4136] Cannot create hsr debugfs directory [ 60.841691][ T9] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 61.315167][ T4137] Bluetooth: hci0: command 0x0409 tx timeout [ 63.091315][ T9] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 63.162682][ T9] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 63.395000][ T1533] Bluetooth: hci0: command 0x041b tx timeout [ 64.112515][ T4136] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 64.147553][ T4136] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 64.187473][ T4136] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 64.256785][ T4136] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 64.346287][ T4136] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.354120][ T296] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.360060][ T296] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.367305][ T4136] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.398430][ T296] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.400134][ T296] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.401940][ T296] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.403176][ T296] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.407931][ T296] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.412020][ T296] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.413873][ T296] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.416428][ T296] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.417502][ T296] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.421785][ T296] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.428491][ T296] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.432696][ T296] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.437095][ T296] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.439043][ T296] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.443441][ T296] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.446879][ T296] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.451150][ T296] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.452938][ T296] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.460144][ T511] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.461866][ T511] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.466535][ T4136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.541242][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 64.542472][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 64.549008][ T4136] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.560935][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 64.562617][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 64.576952][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 64.578710][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 64.580489][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 64.582305][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 64.588118][ T4136] device veth0_vlan entered promiscuous mode [ 64.593807][ T4136] device veth1_vlan entered promiscuous mode [ 64.641060][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 64.642721][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 64.647076][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 64.648952][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 64.652627][ T4136] device veth0_macvtap entered promiscuous mode [ 64.657189][ T4136] device veth1_macvtap entered promiscuous mode [ 64.667913][ T4136] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 64.669696][ T4136] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 64.672405][ T4136] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 64.673613][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 64.680246][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 64.681995][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 64.683892][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 64.687707][ T4136] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 64.689122][ T4136] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 64.691535][ T4136] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 64.693316][ T296] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 64.695200][ T296] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 64.728536][ T4136] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.730005][ T4136] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.731305][ T4136] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.732751][ T4136] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.789690][ T296] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.791011][ T296] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.792926][ T296] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 64.813508][ T296] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.816894][ T296] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.818885][ T296] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 65.011467][ T4191] [ 65.011929][ T4191] ====================================================== [ 65.012971][ T4191] WARNING: possible circular locking dependency detected [ 65.013952][ T4191] 5.15.189-syzkaller #0 Not tainted [ 65.014814][ T4191] ------------------------------------------------------ [ 65.015857][ T4191] syz.0.17/4191 is trying to acquire lock: [ 65.016731][ T4191] ffff0000c5f58c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xcc/0x1bc [ 65.018351][ T4191] [ 65.018351][ T4191] but task is already holding lock: [ 65.019552][ T4191] ffff80001651bc28 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x238/0x5cc [ 65.021097][ T4191] [ 65.021097][ T4191] which lock already depends on the new lock. [ 65.021097][ T4191] [ 65.022614][ T4191] [ 65.022614][ T4191] the existing dependency chain (in reverse order) is: [ 65.023965][ T4191] [ 65.023965][ T4191] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 65.025210][ T4191] __mutex_lock_common+0x194/0x1edc [ 65.026160][ T4191] mutex_lock_nested+0xac/0x11c [ 65.027005][ T4191] rfkill_register+0x44/0x77c [ 65.027754][ T4191] hci_register_dev+0x3d8/0x854 [ 65.028633][ T4191] vhci_create_device+0x2bc/0x564 [ 65.029380][ T4191] vhci_write+0x30c/0x3ac [ 65.030046][ T4191] vfs_write+0x7c8/0xa2c [ 65.030788][ T4191] ksys_write+0x120/0x210 [ 65.031638][ T4191] __arm64_sys_write+0x7c/0x90 [ 65.032441][ T4191] invoke_syscall+0x98/0x2b8 [ 65.033248][ T4191] el0_svc_common+0x138/0x258 [ 65.034030][ T4191] do_el0_svc+0x58/0x14c [ 65.034836][ T4191] el0_svc+0x78/0x1e0 [ 65.035548][ T4191] el0t_64_sync_handler+0xcc/0xe4 [ 65.036332][ T4191] el0t_64_sync+0x1a0/0x1a4 [ 65.037049][ T4191] [ 65.037049][ T4191] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 65.038145][ T4191] __mutex_lock_common+0x194/0x1edc [ 65.039193][ T4191] mutex_lock_nested+0xac/0x11c [ 65.040186][ T4191] vhci_send_frame+0x88/0x118 [ 65.040938][ T4191] hci_send_frame+0x194/0x2f0 [ 65.041764][ T4191] hci_tx_work+0x7e4/0x1394 [ 65.042519][ T4191] process_one_work+0x79c/0x1140 [ 65.043367][ T4191] worker_thread+0x8f4/0x101c [ 65.044231][ T4191] kthread+0x374/0x454 [ 65.044927][ T4191] ret_from_fork+0x10/0x20 [ 65.045715][ T4191] [ 65.045715][ T4191] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 65.047078][ T4191] __flush_work+0xf4/0x1bc [ 65.047829][ T4191] flush_work+0x24/0x38 [ 65.048524][ T4191] hci_dev_do_close+0x164/0x105c [ 65.049363][ T4191] hci_unregister_dev+0x23c/0x4c0 [ 65.050120][ T4191] vhci_release+0x74/0xc4 [ 65.050910][ T4191] __fput+0x1c0/0x7f8 [ 65.051680][ T4191] ____fput+0x20/0x30 [ 65.052451][ T4191] task_work_run+0x12c/0x1e0 [ 65.053154][ T4191] do_exit+0x684/0x1f58 [ 65.054005][ T4191] do_group_exit+0x100/0x268 [ 65.054818][ T4191] get_signal+0x73c/0x1340 [ 65.055587][ T4191] do_notify_resume+0x35c/0x3128 [ 65.056426][ T4191] el0_svc+0xf0/0x1e0 [ 65.057133][ T4191] el0t_64_sync_handler+0xcc/0xe4 [ 65.058019][ T4191] el0t_64_sync+0x1a0/0x1a4 [ 65.058887][ T4191] [ 65.058887][ T4191] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 65.060075][ T4191] __mutex_lock_common+0x194/0x1edc [ 65.060894][ T4191] mutex_lock_nested+0xac/0x11c [ 65.061820][ T4191] bg_scan_update+0x48/0x3d0 [ 65.062639][ T4191] process_one_work+0x79c/0x1140 [ 65.063421][ T4191] worker_thread+0x8f4/0x101c [ 65.064160][ T4191] kthread+0x374/0x454 [ 65.064865][ T4191] ret_from_fork+0x10/0x20 [ 65.065581][ T4191] [ 65.065581][ T4191] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 65.067274][ T4191] __lock_acquire+0x2928/0x651c [ 65.068013][ T4191] lock_acquire+0x1f4/0x620 [ 65.068754][ T4191] __flush_work+0xf4/0x1bc [ 65.069631][ T4191] __cancel_work_timer+0x2ec/0x448 [ 65.070467][ T4191] cancel_work_sync+0x24/0x38 [ 65.071319][ T4191] hci_request_cancel_all+0xbc/0x2d0 [ 65.072253][ T4191] hci_dev_do_close+0x54/0x105c [ 65.073015][ T4191] hci_rfkill_set_block+0xdc/0x1d0 [ 65.073912][ T4191] rfkill_set_block+0x18c/0x374 [ 65.074816][ T4191] rfkill_fop_write+0x4a4/0x5cc [ 65.075622][ T4191] do_iter_write+0x348/0x670 [ 65.076399][ T4191] do_writev+0x1e0/0x380 [ 65.077134][ T4191] __arm64_sys_writev+0x80/0x94 [ 65.078030][ T4191] invoke_syscall+0x98/0x2b8 [ 65.078945][ T4191] el0_svc_common+0x138/0x258 [ 65.079734][ T4191] do_el0_svc+0x58/0x14c [ 65.080442][ T4191] el0_svc+0x78/0x1e0 [ 65.081177][ T4191] el0t_64_sync_handler+0xcc/0xe4 [ 65.081954][ T4191] el0t_64_sync+0x1a0/0x1a4 [ 65.082664][ T4191] [ 65.082664][ T4191] other info that might help us debug this: [ 65.082664][ T4191] [ 65.084343][ T4191] Chain exists of: [ 65.084343][ T4191] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 65.084343][ T4191] [ 65.086678][ T4191] Possible unsafe locking scenario: [ 65.086678][ T4191] [ 65.087872][ T4191] CPU0 CPU1 [ 65.088670][ T4191] ---- ---- [ 65.089466][ T4191] lock(rfkill_global_mutex); [ 65.090152][ T4191] lock(&data->open_mutex); [ 65.091129][ T4191] lock(rfkill_global_mutex); [ 65.092180][ T4191] lock((work_completion)(&hdev->bg_scan_update)); [ 65.093280][ T4191] [ 65.093280][ T4191] *** DEADLOCK *** [ 65.093280][ T4191] [ 65.094509][ T4191] 1 lock held by syz.0.17/4191: [ 65.095350][ T4191] #0: ffff80001651bc28 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x238/0x5cc [ 65.096992][ T4191] [ 65.096992][ T4191] stack backtrace: [ 65.098012][ T4191] CPU: 0 PID: 4191 Comm: syz.0.17 Not tainted 5.15.189-syzkaller #0 [ 65.099145][ T4191] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 65.100667][ T4191] Call trace: [ 65.101193][ T4191] dump_backtrace+0x0/0x43c [ 65.101853][ T4191] show_stack+0x2c/0x3c [ 65.102508][ T4191] __dump_stack+0x30/0x40 [ 65.103139][ T4191] dump_stack_lvl+0xf8/0x160 [ 65.103873][ T4191] dump_stack+0x1c/0x5c [ 65.104558][ T4191] print_circular_bug+0x148/0x1b0 [ 65.105371][ T4191] check_noncircular+0x240/0x2d4 [ 65.106231][ T4191] __lock_acquire+0x2928/0x651c [ 65.106972][ T4191] lock_acquire+0x1f4/0x620 [ 65.107589][ T4191] __flush_work+0xf4/0x1bc [ 65.108263][ T4191] __cancel_work_timer+0x2ec/0x448 [ 65.109057][ T4191] cancel_work_sync+0x24/0x38 [ 65.109720][ T4191] hci_request_cancel_all+0xbc/0x2d0 [ 65.110464][ T4191] hci_dev_do_close+0x54/0x105c [ 65.111233][ T4191] hci_rfkill_set_block+0xdc/0x1d0 [ 65.112075][ T4191] rfkill_set_block+0x18c/0x374 [ 65.112926][ T4191] rfkill_fop_write+0x4a4/0x5cc [ 65.113636][ T4191] do_iter_write+0x348/0x670 [ 65.114330][ T4191] do_writev+0x1e0/0x380 [ 65.114999][ T4191] __arm64_sys_writev+0x80/0x94 [ 65.115619][ T4191] invoke_syscall+0x98/0x2b8 [ 65.116402][ T4191] el0_svc_common+0x138/0x258 [ 65.117129][ T4191] do_el0_svc+0x58/0x14c [ 65.117702][ T4191] el0_svc+0x78/0x1e0 [ 65.118249][ T4191] el0t_64_sync_handler+0xcc/0xe4 [ 65.119107][ T4191] el0t_64_sync+0x1a0/0x1a4