Warning: Permanently added '10.128.10.27' (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 [ 48.066302][ T4027] cgroup: Unknown subsys name 'net' [ 48.321583][ T4027] cgroup: Unknown subsys name 'rlimit' [ 48.632748][ T4027] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 56.637991][ T4062] chnl_net:caif_netlink_parms(): no params data found [ 56.679776][ T4062] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.681743][ T4062] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.684425][ T4062] device bridge_slave_0 entered promiscuous mode [ 56.689212][ T4062] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.691119][ T4062] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.693617][ T4062] device bridge_slave_1 entered promiscuous mode [ 56.711788][ T4062] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.717787][ T4062] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.733897][ T4062] team0: Port device team_slave_0 added [ 56.737384][ T4062] team0: Port device team_slave_1 added [ 56.750071][ T4062] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 56.751874][ T4062] 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. [ 56.758852][ T4062] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 56.763700][ T4062] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 56.765631][ T4062] 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. [ 56.772350][ T4062] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 56.837556][ T4062] device hsr_slave_0 entered promiscuous mode [ 56.905746][ T4062] device hsr_slave_1 entered promiscuous mode [ 57.091603][ T4062] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 57.129578][ T4062] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 57.181679][ T4062] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 57.218637][ T4062] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 57.347168][ T4062] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.355331][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.359204][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.364395][ T4062] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.373421][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 57.377581][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.380489][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.382517][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.398119][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.401060][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 57.403786][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.409147][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.411046][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.413336][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 57.427611][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 57.431807][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 57.435047][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 57.438400][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 57.441308][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 57.448473][ T4062] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 57.451220][ T4062] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 57.460148][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 57.462945][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 57.467553][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 57.470714][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 57.473410][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 57.480176][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 57.553397][ T301] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 57.555498][ T301] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 57.563598][ T4062] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 57.578865][ T301] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 57.581626][ T301] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 57.595460][ T301] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 57.599417][ T301] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 57.602141][ T301] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 57.604733][ T301] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 57.609547][ T4062] device veth0_vlan entered promiscuous mode [ 57.617372][ T4062] device veth1_vlan entered promiscuous mode [ 57.633130][ T301] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 57.636924][ T301] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 57.639421][ T301] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 57.642164][ T301] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 57.647027][ T4062] device veth0_macvtap entered promiscuous mode [ 57.651161][ T4062] device veth1_macvtap entered promiscuous mode [ 57.664803][ T4062] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 57.668147][ T301] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 57.670706][ T301] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 57.673315][ T301] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 57.676625][ T301] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 57.681492][ T4062] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 57.683566][ T394] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 57.687519][ T394] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 57.697716][ T4062] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.700143][ T4062] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.702475][ T4062] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.704758][ T4062] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.956620][ T301] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 57.958826][ T301] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 57.961764][ T394] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 57.986697][ T301] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 57.988928][ T301] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 57.991865][ T394] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 58.351340][ T9] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:59 executed programs: 0 [ 59.383737][ T4106] chnl_net:caif_netlink_parms(): no params data found [ 59.425489][ T4106] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.427530][ T4106] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.430093][ T4106] device bridge_slave_0 entered promiscuous mode [ 59.433890][ T4106] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.436387][ T4106] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.438808][ T4106] device bridge_slave_1 entered promiscuous mode [ 59.453699][ T4106] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.458277][ T4106] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.474834][ T4106] team0: Port device team_slave_0 added [ 59.480089][ T4106] team0: Port device team_slave_1 added [ 59.492573][ T4106] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 59.494371][ T4106] 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. [ 59.501535][ T4106] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 59.505691][ T4106] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 59.507579][ T4106] 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. [ 59.514432][ T4106] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 59.578173][ T4106] device hsr_slave_0 entered promiscuous mode [ 59.615764][ T4106] device hsr_slave_1 entered promiscuous mode [ 59.655670][ T4106] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 59.657824][ T4106] Cannot create hsr debugfs directory [ 60.754264][ T9] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 61.306156][ T4068] Bluetooth: hci0: command 0x0409 tx timeout [ 63.072171][ T9] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 63.124274][ T9] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 63.385859][ T25] Bluetooth: hci0: command 0x041b tx timeout [ 64.113702][ T4106] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 64.157506][ T4106] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 64.211825][ T4106] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 64.247868][ T4106] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 64.383444][ T4106] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.390577][ T394] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.393111][ T394] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.399619][ T4106] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.404831][ T394] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.409570][ T394] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.412108][ T394] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.414017][ T394] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.419454][ T394] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.422063][ T394] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.424672][ T394] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.428387][ T394] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.430231][ T394] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.437069][ T301] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.442397][ T301] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.449375][ T394] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.452223][ T394] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.454991][ T394] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.462193][ T394] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.465050][ T394] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.473396][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.476740][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.481985][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.484623][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.492096][ T4106] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.610432][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 64.612588][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 64.619285][ T4106] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.630959][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 64.633831][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 64.648909][ T394] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 64.651622][ T394] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 64.655877][ T4106] device veth0_vlan entered promiscuous mode [ 64.660152][ T394] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 64.662694][ T394] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 64.677340][ T4106] device veth1_vlan entered promiscuous mode [ 64.691323][ T394] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 64.693879][ T394] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 64.697955][ T394] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 64.700565][ T394] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 64.726852][ T4106] device veth0_macvtap entered promiscuous mode [ 64.731628][ T4106] device veth1_macvtap entered promiscuous mode [ 64.741408][ T4106] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 64.744247][ T4106] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 64.749021][ T4106] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 64.754998][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 64.758185][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 64.761463][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 64.764089][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 64.770322][ T4106] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 64.773169][ T4106] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 64.777414][ T4106] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 64.779774][ T394] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 64.782535][ T394] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 64.787397][ T4106] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.789753][ T4106] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.792100][ T4106] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.794413][ T4106] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.833085][ T394] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.842665][ T394] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.848486][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.849380][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 64.850611][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.857025][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 65.022073][ T4159] [ 65.022710][ T4159] ====================================================== [ 65.024608][ T4159] WARNING: possible circular locking dependency detected [ 65.026458][ T4159] 5.15.178-syzkaller #0 Not tainted [ 65.027873][ T4159] ------------------------------------------------------ [ 65.029764][ T4159] syz.0.16/4159 is trying to acquire lock: [ 65.031352][ T4159] ffff0000d5aacc28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xd0/0x1c0 [ 65.034238][ T4159] [ 65.034238][ T4159] but task is already holding lock: [ 65.036255][ T4159] ffff800016f39608 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 65.038900][ T4159] [ 65.038900][ T4159] which lock already depends on the new lock. [ 65.038900][ T4159] [ 65.041669][ T4159] [ 65.041669][ T4159] the existing dependency chain (in reverse order) is: [ 65.044018][ T4159] [ 65.044018][ T4159] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 65.046132][ T4159] __mutex_lock_common+0x194/0x2154 [ 65.047671][ T4159] mutex_lock_nested+0xa4/0xf8 [ 65.049091][ T4159] rfkill_register+0x44/0x7a4 [ 65.050475][ T4159] hci_register_dev+0x3e0/0x880 [ 65.051927][ T4159] vhci_create_device+0x2c4/0x568 [ 65.053404][ T4159] vhci_write+0x318/0x3b8 [ 65.054708][ T4159] vfs_write+0x884/0xb44 [ 65.055935][ T4159] ksys_write+0x15c/0x26c [ 65.057205][ T4159] __arm64_sys_write+0x7c/0x90 [ 65.058561][ T4159] invoke_syscall+0x98/0x2b8 [ 65.059885][ T4159] el0_svc_common+0x138/0x258 [ 65.061253][ T4159] do_el0_svc+0x58/0x14c [ 65.062506][ T4159] el0_svc+0x7c/0x1f0 [ 65.063683][ T4159] el0t_64_sync_handler+0x84/0xe4 [ 65.065102][ T4159] el0t_64_sync+0x1a0/0x1a4 [ 65.066537][ T4159] [ 65.066537][ T4159] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 65.068666][ T4159] __mutex_lock_common+0x194/0x2154 [ 65.070147][ T4159] mutex_lock_nested+0xa4/0xf8 [ 65.071539][ T4159] vhci_send_frame+0x8c/0x10c [ 65.072859][ T4159] hci_send_frame+0x194/0x2f0 [ 65.074247][ T4159] hci_tx_work+0x9ac/0x16cc [ 65.075527][ T4159] process_one_work+0x790/0x11b8 [ 65.077011][ T4159] worker_thread+0x910/0x1034 [ 65.078367][ T4159] kthread+0x37c/0x45c [ 65.079557][ T4159] ret_from_fork+0x10/0x20 [ 65.080931][ T4159] [ 65.080931][ T4159] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 65.083394][ T4159] __flush_work+0xf8/0x1c0 [ 65.084699][ T4159] flush_work+0x24/0x38 [ 65.085940][ T4159] hci_dev_do_close+0x16c/0x1060 [ 65.087372][ T4159] hci_unregister_dev+0x248/0x4d4 [ 65.088815][ T4159] vhci_release+0x74/0xc4 [ 65.090067][ T4159] __fput+0x1c4/0x800 [ 65.091312][ T4159] ____fput+0x20/0x30 [ 65.092469][ T4159] task_work_run+0x130/0x1e4 [ 65.093786][ T4159] do_exit+0x670/0x20bc [ 65.095037][ T4159] do_group_exit+0x110/0x268 [ 65.096406][ T4159] get_signal+0x634/0x1550 [ 65.097730][ T4159] do_notify_resume+0x3d0/0x32b8 [ 65.099209][ T4159] el0_svc+0xfc/0x1f0 [ 65.100373][ T4159] el0t_64_sync_handler+0x84/0xe4 [ 65.101831][ T4159] el0t_64_sync+0x1a0/0x1a4 [ 65.103255][ T4159] [ 65.103255][ T4159] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 65.105258][ T4159] __mutex_lock_common+0x194/0x2154 [ 65.106687][ T4159] mutex_lock_nested+0xa4/0xf8 [ 65.108163][ T4159] bg_scan_update+0x9c/0x470 [ 65.109501][ T4159] process_one_work+0x790/0x11b8 [ 65.110926][ T4159] worker_thread+0x910/0x1034 [ 65.112382][ T4159] kthread+0x37c/0x45c [ 65.113587][ T4159] ret_from_fork+0x10/0x20 [ 65.114823][ T4159] [ 65.114823][ T4159] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 65.117394][ T4159] __lock_acquire+0x32d4/0x7638 [ 65.118772][ T4159] lock_acquire+0x240/0x77c [ 65.120065][ T4159] __flush_work+0xf8/0x1c0 [ 65.121412][ T4159] __cancel_work_timer+0x3ec/0x548 [ 65.122874][ T4159] cancel_work_sync+0x24/0x38 [ 65.124187][ T4159] hci_request_cancel_all+0xcc/0x2d0 [ 65.125666][ T4159] hci_dev_do_close+0x54/0x1060 [ 65.127056][ T4159] hci_rfkill_set_block+0xdc/0x1d0 [ 65.128519][ T4159] rfkill_set_block+0x18c/0x37c [ 65.129883][ T4159] rfkill_fop_write+0x594/0x750 [ 65.131300][ T4159] vfs_write+0x280/0xb44 [ 65.132551][ T4159] ksys_write+0x15c/0x26c [ 65.133779][ T4159] __arm64_sys_write+0x7c/0x90 [ 65.135204][ T4159] invoke_syscall+0x98/0x2b8 [ 65.136528][ T4159] el0_svc_common+0x138/0x258 [ 65.137802][ T4159] do_el0_svc+0x58/0x14c [ 65.139108][ T4159] el0_svc+0x7c/0x1f0 [ 65.140240][ T4159] el0t_64_sync_handler+0x84/0xe4 [ 65.141656][ T4159] el0t_64_sync+0x1a0/0x1a4 [ 65.142983][ T4159] [ 65.142983][ T4159] other info that might help us debug this: [ 65.142983][ T4159] [ 65.145646][ T4159] Chain exists of: [ 65.145646][ T4159] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 65.145646][ T4159] [ 65.149799][ T4159] Possible unsafe locking scenario: [ 65.149799][ T4159] [ 65.151706][ T4159] CPU0 CPU1 [ 65.153093][ T4159] ---- ---- [ 65.154617][ T4159] lock(rfkill_global_mutex); [ 65.155890][ T4159] lock(&data->open_mutex); [ 65.157738][ T4159] lock(rfkill_global_mutex); [ 65.159594][ T4159] lock((work_completion)(&hdev->bg_scan_update)); [ 65.161439][ T4159] [ 65.161439][ T4159] *** DEADLOCK *** [ 65.161439][ T4159] [ 65.163508][ T4159] 1 lock held by syz.0.16/4159: [ 65.164799][ T4159] #0: ffff800016f39608 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 65.167513][ T4159] [ 65.167513][ T4159] stack backtrace: [ 65.169137][ T4159] CPU: 0 PID: 4159 Comm: syz.0.16 Not tainted 5.15.178-syzkaller #0 [ 65.171303][ T4159] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 65.174007][ T4159] Call trace: [ 65.174867][ T4159] dump_backtrace+0x0/0x530 [ 65.176145][ T4159] show_stack+0x2c/0x3c [ 65.177259][ T4159] dump_stack_lvl+0x108/0x170 [ 65.178524][ T4159] dump_stack+0x1c/0x58 [ 65.179646][ T4159] print_circular_bug+0x150/0x1b8 [ 65.180975][ T4159] check_noncircular+0x2cc/0x378 [ 65.182354][ T4159] __lock_acquire+0x32d4/0x7638 [ 65.183639][ T4159] lock_acquire+0x240/0x77c [ 65.184844][ T4159] __flush_work+0xf8/0x1c0 [ 65.185979][ T4159] __cancel_work_timer+0x3ec/0x548 [ 65.187319][ T4159] cancel_work_sync+0x24/0x38 [ 65.188543][ T4159] hci_request_cancel_all+0xcc/0x2d0 [ 65.189920][ T4159] hci_dev_do_close+0x54/0x1060 [ 65.191218][ T4159] hci_rfkill_set_block+0xdc/0x1d0 [ 65.192520][ T4159] rfkill_set_block+0x18c/0x37c [ 65.193784][ T4159] rfkill_fop_write+0x594/0x750 [ 65.195039][ T4159] vfs_write+0x280/0xb44 [ 65.196138][ T4159] ksys_write+0x15c/0x26c [ 65.197310][ T4159] __arm64_sys_write+0x7c/0x90 [ 65.198609][ T4159] invoke_syscall+0x98/0x2b8 [ 65.199827][ T4159] el0_svc_common+0x138/0x258 [ 65.201079][ T4159] do_el0_svc+0x58/0x14c [ 65.202179][ T4159] el0_svc+0x7c/0x1f0 [ 65.203324][ T4159] el0t_64_sync_handler+0x84/0xe4 [ 65.204637][ T4159] el0t_64_sync+0x1a0/0x1a4