Warning: Permanently added '10.128.1.9' (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 [ 47.935726][ T4022] cgroup: Unknown subsys name 'net' [ 48.178144][ T4022] cgroup: Unknown subsys name 'rlimit' [ 48.500996][ T4022] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 56.278251][ T4042] chnl_net:caif_netlink_parms(): no params data found [ 56.322144][ T4042] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.323856][ T4042] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.326303][ T4042] device bridge_slave_0 entered promiscuous mode [ 56.330565][ T4042] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.332837][ T4042] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.335070][ T4042] device bridge_slave_1 entered promiscuous mode [ 56.350694][ T4042] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.354752][ T4042] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.374818][ T4042] team0: Port device team_slave_0 added [ 56.378019][ T4042] team0: Port device team_slave_1 added [ 56.392238][ T4042] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 56.393805][ T4042] 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. [ 56.399662][ T4042] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 56.404193][ T4042] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 56.405750][ T4042] 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. [ 56.411815][ T4042] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 56.483867][ T4042] device hsr_slave_0 entered promiscuous mode [ 56.521856][ T4042] device hsr_slave_1 entered promiscuous mode [ 56.669622][ T4042] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 56.737391][ T4042] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 56.805698][ T4042] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 56.848152][ T4042] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 56.913297][ T4042] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.915060][ T4042] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.917225][ T4042] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.919104][ T4042] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.964693][ T4042] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.972109][ T606] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.976255][ T606] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.979060][ T606] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.984141][ T606] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 56.995537][ T4042] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.001162][ T606] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.003879][ T606] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.005848][ T606] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.013070][ T606] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.015747][ T606] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.017515][ T606] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.033341][ T606] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 57.036301][ T606] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 57.045221][ T606] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 57.088152][ T4042] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 57.090574][ T4042] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 57.096112][ T606] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 57.099267][ T606] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 57.104008][ T606] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 57.173867][ T606] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 57.175741][ T606] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 57.186744][ T4042] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 57.203419][ T606] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 57.215926][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 57.218545][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 57.220908][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 57.228929][ T4042] device veth0_vlan entered promiscuous mode [ 57.236393][ T4042] device veth1_vlan entered promiscuous mode [ 57.254180][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 57.256789][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 57.259329][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 57.265856][ T4042] device veth0_macvtap entered promiscuous mode [ 57.270290][ T4042] device veth1_macvtap entered promiscuous mode [ 57.283070][ T4042] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 57.285003][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 57.287614][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 57.292890][ T4042] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 57.297617][ T606] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 57.300335][ T606] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 57.304336][ T4042] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.306407][ T4042] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.308451][ T4042] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.310482][ T4042] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.788025][ T296] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 57.789815][ T296] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 57.794507][ T606] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 57.813740][ T606] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 57.815692][ T606] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 57.818248][ T296] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 58.596666][ T1845] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:59 executed programs: 0 [ 59.255024][ T4101] chnl_net:caif_netlink_parms(): no params data found [ 59.289184][ T4101] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.290958][ T4101] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.294302][ T4101] device bridge_slave_0 entered promiscuous mode [ 59.298166][ T4101] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.300000][ T4101] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.303044][ T4101] device bridge_slave_1 entered promiscuous mode [ 59.320323][ T4101] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.324774][ T4101] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.340130][ T4101] team0: Port device team_slave_0 added [ 59.343584][ T4101] team0: Port device team_slave_1 added [ 59.360303][ T4101] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 59.362231][ T4101] 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. [ 59.368029][ T4101] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 59.375025][ T4101] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 59.376827][ T4101] 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. [ 59.382957][ T4101] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 59.454209][ T4101] device hsr_slave_0 entered promiscuous mode [ 59.501852][ T4101] device hsr_slave_1 entered promiscuous mode [ 59.561554][ T4101] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 59.563728][ T4101] Cannot create hsr debugfs directory [ 61.212361][ T4026] Bluetooth: hci0: command 0x0409 tx timeout [ 61.630333][ T1845] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 63.288232][ T1845] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 63.292266][ T25] Bluetooth: hci0: command 0x041b tx timeout [ 63.349918][ T1845] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 64.350424][ T4101] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 64.394080][ T4101] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 64.472034][ T4101] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 64.515012][ T4101] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 64.602440][ T4101] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.609381][ T606] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.614946][ T606] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.619768][ T4101] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.624818][ T606] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.627550][ T606] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.630134][ T606] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.632052][ T606] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.637562][ T606] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.641836][ T606] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.644491][ T606] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.646617][ T606] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.648355][ T606] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.653938][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.659798][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.665798][ T606] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.668682][ T606] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.673639][ T606] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.678904][ T606] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.681707][ T606] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.686852][ T606] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.689467][ T606] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.696274][ T606] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.698939][ T606] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.704797][ T4101] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.783967][ T606] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 64.786005][ T606] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 64.793107][ T4101] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.837241][ T606] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 64.840013][ T606] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 64.855490][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 64.857920][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 64.860692][ T4101] device veth0_vlan entered promiscuous mode [ 64.863670][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 64.866026][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 64.883830][ T4101] device veth1_vlan entered promiscuous mode [ 64.898424][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 64.900869][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 64.905512][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 64.907997][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 64.913309][ T4101] device veth0_macvtap entered promiscuous mode [ 64.917626][ T4101] device veth1_macvtap entered promiscuous mode [ 64.927770][ T4101] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 64.930253][ T4101] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 64.935543][ T4101] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 64.959431][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 64.962458][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 64.964823][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 64.967519][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 64.972287][ T4101] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 64.974886][ T4101] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 64.978199][ T4101] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 64.980402][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 64.984706][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 64.989644][ T4101] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.991897][ T4101] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.993877][ T4101] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.996026][ T4101] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.038748][ T606] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 65.040667][ T606] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 65.055567][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 65.059537][ T606] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 65.062111][ T606] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 65.064956][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 65.277549][ T4166] [ 65.278223][ T4166] ====================================================== [ 65.279807][ T4166] WARNING: possible circular locking dependency detected [ 65.281377][ T4166] 5.15.167-syzkaller #0 Not tainted [ 65.282627][ T4166] ------------------------------------------------------ [ 65.284265][ T4166] syz.0.15/4166 is trying to acquire lock: [ 65.285557][ T4166] ffff0000d5eacc28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xd0/0x1c0 [ 65.288243][ T4166] [ 65.288243][ T4166] but task is already holding lock: [ 65.289865][ T4166] ffff800016e75ba8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 65.292046][ T4166] [ 65.292046][ T4166] which lock already depends on the new lock. [ 65.292046][ T4166] [ 65.294454][ T4166] [ 65.294454][ T4166] the existing dependency chain (in reverse order) is: [ 65.296536][ T4166] [ 65.296536][ T4166] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 65.298347][ T4166] __mutex_lock_common+0x194/0x2154 [ 65.299609][ T4166] mutex_lock_nested+0xa4/0xf8 [ 65.300887][ T4166] rfkill_register+0x44/0x7a4 [ 65.302233][ T4166] hci_register_dev+0x3e0/0x880 [ 65.303483][ T4166] vhci_create_device+0x2c4/0x568 [ 65.304893][ T4166] vhci_write+0x318/0x3b8 [ 65.306144][ T4166] vfs_write+0x884/0xb44 [ 65.307387][ T4166] ksys_write+0x15c/0x26c [ 65.308514][ T4166] __arm64_sys_write+0x7c/0x90 [ 65.309657][ T4166] invoke_syscall+0x98/0x2b8 [ 65.310907][ T4166] el0_svc_common+0x138/0x258 [ 65.312058][ T4166] do_el0_svc+0x58/0x14c [ 65.313271][ T4166] el0_svc+0x7c/0x1f0 [ 65.314406][ T4166] el0t_64_sync_handler+0x84/0xe4 [ 65.315777][ T4166] el0t_64_sync+0x1a0/0x1a4 [ 65.317040][ T4166] [ 65.317040][ T4166] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 65.318914][ T4166] __mutex_lock_common+0x194/0x2154 [ 65.320302][ T4166] mutex_lock_nested+0xa4/0xf8 [ 65.321665][ T4166] vhci_send_frame+0x8c/0x10c [ 65.322967][ T4166] hci_send_frame+0x194/0x2f0 [ 65.324276][ T4166] hci_tx_work+0x9ac/0x16cc [ 65.325484][ T4166] process_one_work+0x790/0x11b8 [ 65.326839][ T4166] worker_thread+0x910/0x1034 [ 65.328295][ T4166] kthread+0x37c/0x45c [ 65.329432][ T4166] ret_from_fork+0x10/0x20 [ 65.330674][ T4166] [ 65.330674][ T4166] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 65.333061][ T4166] __flush_work+0xf8/0x1c0 [ 65.334137][ T4166] flush_work+0x24/0x38 [ 65.335333][ T4166] hci_dev_do_close+0x16c/0x1060 [ 65.336725][ T4166] hci_unregister_dev+0x248/0x4d4 [ 65.337921][ T4166] vhci_release+0x74/0xc4 [ 65.339224][ T4166] __fput+0x1c4/0x800 [ 65.340244][ T4166] ____fput+0x20/0x30 [ 65.341389][ T4166] task_work_run+0x130/0x1e4 [ 65.342697][ T4166] do_exit+0x670/0x20bc [ 65.343957][ T4166] do_group_exit+0x110/0x268 [ 65.345301][ T4166] get_signal+0x634/0x1550 [ 65.346548][ T4166] do_notify_resume+0x3d0/0x32b8 [ 65.347963][ T4166] el0_svc+0xfc/0x1f0 [ 65.349134][ T4166] el0t_64_sync_handler+0x84/0xe4 [ 65.350533][ T4166] el0t_64_sync+0x1a0/0x1a4 [ 65.351756][ T4166] [ 65.351756][ T4166] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 65.353699][ T4166] __mutex_lock_common+0x194/0x2154 [ 65.355146][ T4166] mutex_lock_nested+0xa4/0xf8 [ 65.356351][ T4166] bg_scan_update+0x9c/0x470 [ 65.357639][ T4166] process_one_work+0x790/0x11b8 [ 65.359074][ T4166] worker_thread+0x910/0x1034 [ 65.360288][ T4166] kthread+0x37c/0x45c [ 65.361495][ T4166] ret_from_fork+0x10/0x20 [ 65.362631][ T4166] [ 65.362631][ T4166] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 65.364950][ T4166] __lock_acquire+0x32d4/0x7638 [ 65.366322][ T4166] lock_acquire+0x240/0x77c [ 65.367557][ T4166] __flush_work+0xf8/0x1c0 [ 65.368797][ T4166] __cancel_work_timer+0x3ec/0x548 [ 65.370160][ T4166] cancel_work_sync+0x24/0x38 [ 65.371392][ T4166] hci_request_cancel_all+0xcc/0x2d0 [ 65.371536][ T1534] Bluetooth: hci0: command 0x040f tx timeout [ 65.372792][ T4166] hci_dev_do_close+0x54/0x1060 [ 65.375663][ T4166] hci_rfkill_set_block+0xdc/0x1d0 [ 65.377045][ T4166] rfkill_set_block+0x18c/0x37c [ 65.378446][ T4166] rfkill_fop_write+0x594/0x750 [ 65.379508][ T4166] vfs_write+0x280/0xb44 [ 65.380558][ T4166] ksys_write+0x15c/0x26c [ 65.381776][ T4166] __arm64_sys_write+0x7c/0x90 [ 65.383127][ T4166] invoke_syscall+0x98/0x2b8 [ 65.384336][ T4166] el0_svc_common+0x138/0x258 [ 65.385518][ T4166] do_el0_svc+0x58/0x14c [ 65.386762][ T4166] el0_svc+0x7c/0x1f0 [ 65.387878][ T4166] el0t_64_sync_handler+0x84/0xe4 [ 65.389239][ T4166] el0t_64_sync+0x1a0/0x1a4 [ 65.390513][ T4166] [ 65.390513][ T4166] other info that might help us debug this: [ 65.390513][ T4166] [ 65.392724][ T4166] Chain exists of: [ 65.392724][ T4166] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 65.392724][ T4166] [ 65.396557][ T4166] Possible unsafe locking scenario: [ 65.396557][ T4166] [ 65.398384][ T4166] CPU0 CPU1 [ 65.399625][ T4166] ---- ---- [ 65.400945][ T4166] lock(rfkill_global_mutex); [ 65.402009][ T4166] lock(&data->open_mutex); [ 65.403567][ T4166] lock(rfkill_global_mutex); [ 65.405308][ T4166] lock((work_completion)(&hdev->bg_scan_update)); [ 65.407075][ T4166] [ 65.407075][ T4166] *** DEADLOCK *** [ 65.407075][ T4166] [ 65.408979][ T4166] 1 lock held by syz.0.15/4166: [ 65.410062][ T4166] #0: ffff800016e75ba8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 65.412418][ T4166] [ 65.412418][ T4166] stack backtrace: [ 65.413965][ T4166] CPU: 0 PID: 4166 Comm: syz.0.15 Not tainted 5.15.167-syzkaller #0 [ 65.415755][ T4166] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 65.418064][ T4166] Call trace: [ 65.418968][ T4166] dump_backtrace+0x0/0x530 [ 65.420125][ T4166] show_stack+0x2c/0x3c [ 65.421182][ T4166] dump_stack_lvl+0x108/0x170 [ 65.422242][ T4166] dump_stack+0x1c/0x58 [ 65.423220][ T4166] print_circular_bug+0x150/0x1b8 [ 65.424445][ T4166] check_noncircular+0x2cc/0x378 [ 65.425652][ T4166] __lock_acquire+0x32d4/0x7638 [ 65.426830][ T4166] lock_acquire+0x240/0x77c [ 65.427974][ T4166] __flush_work+0xf8/0x1c0 [ 65.429009][ T4166] __cancel_work_timer+0x3ec/0x548 [ 65.430182][ T4166] cancel_work_sync+0x24/0x38 [ 65.431257][ T4166] hci_request_cancel_all+0xcc/0x2d0 [ 65.432562][ T4166] hci_dev_do_close+0x54/0x1060 [ 65.433665][ T4166] hci_rfkill_set_block+0xdc/0x1d0 [ 65.434773][ T4166] rfkill_set_block+0x18c/0x37c [ 65.435955][ T4166] rfkill_fop_write+0x594/0x750 [ 65.437046][ T4166] vfs_write+0x280/0xb44 [ 65.438011][ T4166] ksys_write+0x15c/0x26c [ 65.439056][ T4166] __arm64_sys_write+0x7c/0x90 [ 65.440269][ T4166] invoke_syscall+0x98/0x2b8 [ 65.441410][ T4166] el0_svc_common+0x138/0x258 [ 65.442597][ T4166] do_el0_svc+0x58/0x14c [ 65.443608][ T4166] el0_svc+0x7c/0x1f0 [ 65.444528][ T4166] el0t_64_sync_handler+0x84/0xe4 [ 65.445761][ T4166] el0t_64_sync+0x1a0/0x1a4