Warning: Permanently added '10.128.1.19' (ED25519) to the list of known hosts. 1970/01/01 00:00:58 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:00:59 parsed 1 programs [ 62.219633][ T4027] cgroup: Unknown subsys name 'net' [ 62.446772][ T4027] cgroup: Unknown subsys name 'rlimit' [ 62.789216][ T4027] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 69.631840][ T2055] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.633443][ T2055] ieee802154 phy1 wpan1: encryption failed: -22 [ 71.080685][ T4057] chnl_net:caif_netlink_parms(): no params data found [ 71.126574][ T4057] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.128463][ T4057] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.131350][ T4057] device bridge_slave_0 entered promiscuous mode [ 71.135643][ T4057] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.137373][ T4057] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.140044][ T4057] device bridge_slave_1 entered promiscuous mode [ 71.156527][ T4057] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.160802][ T4057] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.178643][ T4057] team0: Port device team_slave_0 added [ 71.182026][ T4057] team0: Port device team_slave_1 added [ 71.195771][ T4057] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 71.197501][ 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. [ 71.204065][ T4057] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 71.208380][ T4057] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 71.210200][ 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. [ 71.216539][ T4057] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 71.272776][ T4057] device hsr_slave_0 entered promiscuous mode [ 71.310331][ T4057] device hsr_slave_1 entered promiscuous mode [ 71.451361][ T4057] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 71.502962][ T4057] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 71.543409][ T4057] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 71.621951][ T4057] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 71.698823][ T4057] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.700868][ T4057] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.703205][ T4057] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.705021][ T4057] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.722289][ T136] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.732349][ T136] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.771981][ T4057] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.779192][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.785720][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.792044][ T4057] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.796436][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.798949][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.803784][ T153] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.805540][ T153] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.816277][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.822531][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.824956][ T153] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.826744][ T153] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.828919][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.846289][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.849027][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.852499][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.855094][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.857737][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.868002][ T4057] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 71.872295][ T4057] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 71.876233][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.878650][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.885336][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.888549][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.892462][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.899215][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.967469][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.969557][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.977964][ T4057] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.991616][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 71.994996][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 72.008007][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 72.012078][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 72.015374][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 72.017715][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 72.022035][ T4057] device veth0_vlan entered promiscuous mode [ 72.027906][ T4057] device veth1_vlan entered promiscuous mode [ 72.043835][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 72.046405][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 72.048837][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 72.052241][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 72.056203][ T4057] device veth0_macvtap entered promiscuous mode [ 72.061035][ T4057] device veth1_macvtap entered promiscuous mode [ 72.073492][ T4057] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 72.075366][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 72.078009][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 72.083030][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 72.085666][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 72.091261][ T4057] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 72.095202][ T4057] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.097415][ T4057] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.099556][ T4057] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.102164][ T4057] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.106187][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 72.108817][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 72.363665][ T505] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 72.365685][ T505] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 72.368410][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 72.387582][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 72.389640][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 72.394996][ T505] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 73.087770][ T148] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:01:13 executed programs: 0 [ 74.163074][ T4106] chnl_net:caif_netlink_parms(): no params data found [ 74.198297][ T4106] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.200349][ T4106] bridge0: port 1(bridge_slave_0) entered disabled state [ 74.202794][ T4106] device bridge_slave_0 entered promiscuous mode [ 74.206359][ T4106] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.208259][ T4106] bridge0: port 2(bridge_slave_1) entered disabled state [ 74.211517][ T4106] device bridge_slave_1 entered promiscuous mode [ 74.226014][ T4106] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 74.230478][ T4106] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 74.246886][ T4106] team0: Port device team_slave_0 added [ 74.250267][ T4106] team0: Port device team_slave_1 added [ 74.263159][ T4106] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 74.264956][ 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. [ 74.271897][ T4106] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 74.275922][ T4106] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 74.277732][ 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. [ 74.284675][ T4106] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 74.342381][ T4106] device hsr_slave_0 entered promiscuous mode [ 74.400301][ T4106] device hsr_slave_1 entered promiscuous mode [ 74.460123][ T4106] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 74.462343][ T4106] Cannot create hsr debugfs directory [ 74.751973][ T21] cfg80211: failed to load regulatory.db [ 75.348130][ T148] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 76.111126][ T21] Bluetooth: hci0: command 0x0409 tx timeout [ 77.206280][ T148] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 77.278089][ T148] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 78.168479][ T4106] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 78.190079][ T4119] Bluetooth: hci0: command 0x041b tx timeout [ 78.214444][ T4106] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 78.253758][ T4106] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 78.302130][ T4106] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 78.383072][ T4106] 8021q: adding VLAN 0 to HW filter on device bond0 [ 78.391519][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 78.394108][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 78.398706][ T4106] 8021q: adding VLAN 0 to HW filter on device team0 [ 78.404581][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 78.407140][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 78.410402][ T153] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.412153][ T153] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.414448][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 78.419438][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 78.423504][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 78.425902][ T153] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.427677][ T153] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.460779][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 78.466917][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 78.472530][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 78.475615][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 78.478757][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 78.486161][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 78.488879][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 78.494674][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 78.497359][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 78.503810][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 78.506375][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 78.511571][ T4106] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 78.584253][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 78.586293][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 78.594323][ T4106] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 78.608201][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 78.611640][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 78.625946][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 78.628602][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 78.632002][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 78.634520][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 78.639332][ T4106] device veth0_vlan entered promiscuous mode [ 78.648304][ T4106] device veth1_vlan entered promiscuous mode [ 78.664308][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 78.666846][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 78.669328][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 78.672640][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 78.677028][ T4106] device veth0_macvtap entered promiscuous mode [ 78.681611][ T4106] device veth1_macvtap entered promiscuous mode [ 78.695775][ T4106] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 78.698502][ T4106] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 78.702997][ T4106] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 78.704903][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 78.707510][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 78.711982][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 78.714631][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 78.746172][ T4106] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 78.748873][ T4106] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 78.753588][ T4106] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 78.756632][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 78.759174][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 78.764032][ T4106] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.766272][ T4106] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.768420][ T4106] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.770993][ T4106] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.833532][ T153] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 78.835704][ T153] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 78.838521][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 78.863067][ T505] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 78.865109][ T505] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 78.868056][ T505] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 79.046488][ T4184] [ 79.047117][ T4184] ====================================================== [ 79.048842][ T4184] WARNING: possible circular locking dependency detected [ 79.050578][ T4184] 5.15.178-syzkaller #0 Not tainted [ 79.051893][ T4184] ------------------------------------------------------ [ 79.053690][ T4184] syz.0.16/4184 is trying to acquire lock: [ 79.055146][ T4184] ffff0000d4728c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xd0/0x1c0 [ 79.057861][ T4184] [ 79.057861][ T4184] but task is already holding lock: [ 79.059779][ T4184] ffff800016f39608 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 79.062228][ T4184] [ 79.062228][ T4184] which lock already depends on the new lock. [ 79.062228][ T4184] [ 79.064783][ T4184] [ 79.064783][ T4184] the existing dependency chain (in reverse order) is: [ 79.067133][ T4184] [ 79.067133][ T4184] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 79.069150][ T4184] __mutex_lock_common+0x194/0x2154 [ 79.070589][ T4184] mutex_lock_nested+0xa4/0xf8 [ 79.071857][ T4184] rfkill_register+0x44/0x7a4 [ 79.073115][ T4184] hci_register_dev+0x3e0/0x880 [ 79.074444][ T4184] vhci_create_device+0x2c4/0x568 [ 79.075870][ T4184] vhci_write+0x318/0x3b8 [ 79.077142][ T4184] vfs_write+0x884/0xb44 [ 79.078333][ T4184] ksys_write+0x15c/0x26c [ 79.079523][ T4184] __arm64_sys_write+0x7c/0x90 [ 79.080840][ T4184] invoke_syscall+0x98/0x2b8 [ 79.082160][ T4184] el0_svc_common+0x138/0x258 [ 79.083496][ T4184] do_el0_svc+0x58/0x14c [ 79.084707][ T4184] el0_svc+0x7c/0x1f0 [ 79.085814][ T4184] el0t_64_sync_handler+0x84/0xe4 [ 79.087278][ T4184] el0t_64_sync+0x1a0/0x1a4 [ 79.088599][ T4184] [ 79.088599][ T4184] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 79.090545][ T4184] __mutex_lock_common+0x194/0x2154 [ 79.092044][ T4184] mutex_lock_nested+0xa4/0xf8 [ 79.093467][ T4184] vhci_send_frame+0x8c/0x10c [ 79.094786][ T4184] hci_send_frame+0x194/0x2f0 [ 79.096041][ T4184] hci_tx_work+0x9ac/0x16cc [ 79.097282][ T4184] process_one_work+0x790/0x11b8 [ 79.098655][ T4184] worker_thread+0x910/0x1034 [ 79.099904][ T4184] kthread+0x37c/0x45c [ 79.101027][ T4184] ret_from_fork+0x10/0x20 [ 79.102256][ T4184] [ 79.102256][ T4184] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 79.104578][ T4184] __flush_work+0xf8/0x1c0 [ 79.105788][ T4184] flush_work+0x24/0x38 [ 79.106937][ T4184] hci_dev_do_close+0x16c/0x1060 [ 79.108361][ T4184] hci_unregister_dev+0x248/0x4d4 [ 79.109819][ T4184] vhci_release+0x74/0xc4 [ 79.111051][ T4184] __fput+0x1c4/0x800 [ 79.112150][ T4184] ____fput+0x20/0x30 [ 79.113251][ T4184] task_work_run+0x130/0x1e4 [ 79.114561][ T4184] do_exit+0x670/0x20bc [ 79.115732][ T4184] do_group_exit+0x110/0x268 [ 79.117028][ T4184] get_signal+0x634/0x1550 [ 79.118217][ T4184] do_notify_resume+0x3d0/0x32b8 [ 79.119591][ T4184] el0_svc+0xfc/0x1f0 [ 79.120795][ T4184] el0t_64_sync_handler+0x84/0xe4 [ 79.122249][ T4184] el0t_64_sync+0x1a0/0x1a4 [ 79.123598][ T4184] [ 79.123598][ T4184] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 79.125590][ T4184] __mutex_lock_common+0x194/0x2154 [ 79.127055][ T4184] mutex_lock_nested+0xa4/0xf8 [ 79.128398][ T4184] bg_scan_update+0x9c/0x470 [ 79.129704][ T4184] process_one_work+0x790/0x11b8 [ 79.131094][ T4184] worker_thread+0x910/0x1034 [ 79.132354][ T4184] kthread+0x37c/0x45c [ 79.133493][ T4184] ret_from_fork+0x10/0x20 [ 79.134775][ T4184] [ 79.134775][ T4184] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 79.137350][ T4184] __lock_acquire+0x32d4/0x7638 [ 79.138704][ T4184] lock_acquire+0x240/0x77c [ 79.139970][ T4184] __flush_work+0xf8/0x1c0 [ 79.141234][ T4184] __cancel_work_timer+0x3ec/0x548 [ 79.142605][ T4184] cancel_work_sync+0x24/0x38 [ 79.143947][ T4184] hci_request_cancel_all+0xcc/0x2d0 [ 79.145457][ T4184] hci_dev_do_close+0x54/0x1060 [ 79.146832][ T4184] hci_rfkill_set_block+0xdc/0x1d0 [ 79.148317][ T4184] rfkill_set_block+0x18c/0x37c [ 79.149703][ T4184] rfkill_fop_write+0x594/0x750 [ 79.151067][ T4184] do_iter_write+0x33c/0x66c [ 79.152382][ T4184] do_writev+0x220/0x3ec [ 79.153568][ T4184] __arm64_sys_writev+0x80/0x94 [ 79.154934][ T4184] invoke_syscall+0x98/0x2b8 [ 79.156302][ T4184] el0_svc_common+0x138/0x258 [ 79.157652][ T4184] do_el0_svc+0x58/0x14c [ 79.158904][ T4184] el0_svc+0x7c/0x1f0 [ 79.159995][ T4184] el0t_64_sync_handler+0x84/0xe4 [ 79.161350][ T4184] el0t_64_sync+0x1a0/0x1a4 [ 79.162621][ T4184] [ 79.162621][ T4184] other info that might help us debug this: [ 79.162621][ T4184] [ 79.165183][ T4184] Chain exists of: [ 79.165183][ T4184] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 79.165183][ T4184] [ 79.169270][ T4184] Possible unsafe locking scenario: [ 79.169270][ T4184] [ 79.171234][ T4184] CPU0 CPU1 [ 79.172628][ T4184] ---- ---- [ 79.173996][ T4184] lock(rfkill_global_mutex); [ 79.175170][ T4184] lock(&data->open_mutex); [ 79.176944][ T4184] lock(rfkill_global_mutex); [ 79.178783][ T4184] lock((work_completion)(&hdev->bg_scan_update)); [ 79.180376][ T4184] [ 79.180376][ T4184] *** DEADLOCK *** [ 79.180376][ T4184] [ 79.182442][ T4184] 1 lock held by syz.0.16/4184: [ 79.183695][ T4184] #0: ffff800016f39608 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 79.186281][ T4184] [ 79.186281][ T4184] stack backtrace: [ 79.187846][ T4184] CPU: 0 PID: 4184 Comm: syz.0.16 Not tainted 5.15.178-syzkaller #0 [ 79.189949][ T4184] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 79.192492][ T4184] Call trace: [ 79.193292][ T4184] dump_backtrace+0x0/0x530 [ 79.194442][ T4184] show_stack+0x2c/0x3c [ 79.195504][ T4184] dump_stack_lvl+0x108/0x170 [ 79.196713][ T4184] dump_stack+0x1c/0x58 [ 79.197718][ T4184] print_circular_bug+0x150/0x1b8 [ 79.198926][ T4184] check_noncircular+0x2cc/0x378 [ 79.200150][ T4184] __lock_acquire+0x32d4/0x7638 [ 79.201302][ T4184] lock_acquire+0x240/0x77c [ 79.202442][ T4184] __flush_work+0xf8/0x1c0 [ 79.203526][ T4184] __cancel_work_timer+0x3ec/0x548 [ 79.204836][ T4184] cancel_work_sync+0x24/0x38 [ 79.206036][ T4184] hci_request_cancel_all+0xcc/0x2d0 [ 79.207481][ T4184] hci_dev_do_close+0x54/0x1060 [ 79.208728][ T4184] hci_rfkill_set_block+0xdc/0x1d0 [ 79.210042][ T4184] rfkill_set_block+0x18c/0x37c [ 79.211255][ T4184] rfkill_fop_write+0x594/0x750 [ 79.212469][ T4184] do_iter_write+0x33c/0x66c [ 79.213670][ T4184] do_writev+0x220/0x3ec [ 79.214779][ T4184] __arm64_sys_writev+0x80/0x94 [ 79.216014][ T4184] invoke_syscall+0x98/0x2b8 [ 79.217150][ T4184] el0_svc_common+0x138/0x258 [ 79.218331][ T4184] do_el0_svc+0x58/0x14c [ 79.219366][ T4184] el0_svc+0x7c/0x1f0 [ 79.220375][ T4184] el0t_64_sync_handler+0x84/0xe4 [ 79.221689][ T4184] el0t_64_sync+0x1a0/0x1a4