Warning: Permanently added '10.128.0.126' (ED25519) to the list of known hosts. 1970/01/01 00:01:01 parsed 1 programs [ 63.131376][ T4719] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 65.164200][ T4771] chnl_net:caif_netlink_parms(): no params data found [ 65.209620][ T611] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 65.210953][ T611] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 65.212372][ T1610] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 65.223413][ T4771] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.226234][ T4771] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.227676][ T4771] device bridge_slave_0 entered promiscuous mode [ 65.239534][ T4771] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.241311][ T4771] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.242877][ T4771] device bridge_slave_1 entered promiscuous mode [ 65.271519][ T4771] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.277187][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 65.277338][ T4771] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.278365][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 65.290200][ T611] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 65.335862][ T4771] team0: Port device team_slave_0 added [ 65.337746][ T4771] team0: Port device team_slave_1 added [ 65.377150][ T4771] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 65.378303][ T4771] 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. [ 65.383187][ T4771] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 65.386088][ T4771] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 65.387244][ T4771] 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. [ 65.396091][ T4771] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 65.451938][ T4771] device hsr_slave_0 entered promiscuous mode [ 65.480386][ T4771] device hsr_slave_1 entered promiscuous mode [ 65.554770][ T4771] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 65.573016][ T4771] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 65.621410][ T4771] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 65.690112][ T4771] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 65.747865][ T4771] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.748988][ T4771] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.750281][ T4771] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.751449][ T4771] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.771587][ T4771] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.775813][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.777395][ T136] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.778730][ T136] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.784310][ T4771] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.787416][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.788889][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.790001][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.794787][ T1610] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.796280][ T1610] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.797424][ T1610] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.804884][ T1610] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.806535][ T1610] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.811718][ T1610] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.814911][ T1610] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.818043][ T611] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.821629][ T4771] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.862951][ T4771] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.873653][ T611] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.874837][ T611] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.876256][ T611] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 65.881296][ T4771] device veth0_vlan entered promiscuous mode [ 65.884357][ T4771] device veth1_vlan entered promiscuous mode [ 65.890892][ T1610] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 65.892433][ T1610] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 65.894246][ T1610] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 65.895874][ T1610] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 65.897357][ T1610] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 65.901417][ T1610] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 65.911440][ T4771] device veth0_macvtap entered promiscuous mode [ 65.913910][ T4771] device veth1_macvtap entered promiscuous mode [ 65.919497][ T4771] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 65.921706][ T611] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 65.923516][ T611] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 65.926693][ T4771] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 65.927999][ T611] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 65.931152][ T4771] netdevsim netdevsim3 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.932519][ T4771] netdevsim netdevsim3 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.933962][ T4771] netdevsim netdevsim3 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.935296][ T4771] netdevsim netdevsim3 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:01:05 executed programs: 0 [ 66.073121][ T4811] chnl_net:caif_netlink_parms(): no params data found [ 66.177315][ T4811] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.178521][ T4811] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.181937][ T4811] device bridge_slave_0 entered promiscuous mode [ 66.184676][ T4811] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.185796][ T4811] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.187398][ T4811] device bridge_slave_1 entered promiscuous mode [ 66.221431][ T4811] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.224053][ T4811] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.275270][ T4811] team0: Port device team_slave_0 added [ 66.294904][ T4811] team0: Port device team_slave_1 added [ 66.313428][ T4823] chnl_net:caif_netlink_parms(): no params data found [ 66.593139][ T4816] chnl_net:caif_netlink_parms(): no params data found [ 66.595323][ T4811] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 66.596451][ T4811] 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. [ 66.601246][ T4811] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 66.604727][ T4811] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 66.605724][ T4811] 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. [ 66.610149][ T4811] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 66.614620][ T4821] chnl_net:caif_netlink_parms(): no params data found [ 66.623853][ T4822] chnl_net:caif_netlink_parms(): no params data found [ 66.638732][ T148] netdevsim netdevsim3 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 66.721234][ T4811] device hsr_slave_0 entered promiscuous mode [ 66.760191][ T4811] device hsr_slave_1 entered promiscuous mode [ 66.810013][ T4811] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.811184][ T4811] Cannot create hsr debugfs directory [ 66.827092][ T4823] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.828240][ T4823] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.829845][ T4823] device bridge_slave_0 entered promiscuous mode [ 66.834075][ T4821] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.835231][ T4821] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.836740][ T4821] device bridge_slave_0 entered promiscuous mode [ 66.842190][ T4816] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.843330][ T4816] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.844828][ T4816] device bridge_slave_0 entered promiscuous mode [ 66.846746][ T4816] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.847828][ T4816] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.849342][ T4816] device bridge_slave_1 entered promiscuous mode [ 66.851345][ T4823] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.852564][ T4823] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.854153][ T4823] device bridge_slave_1 entered promiscuous mode [ 66.855684][ T4822] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.856901][ T4822] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.858488][ T4822] device bridge_slave_0 entered promiscuous mode [ 66.863938][ T4821] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.865146][ T4821] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.866721][ T4821] device bridge_slave_1 entered promiscuous mode [ 66.884884][ T4822] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.886020][ T4822] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.887620][ T4822] device bridge_slave_1 entered promiscuous mode [ 66.897840][ T4823] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.906503][ T4821] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.912871][ T4816] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.915094][ T4823] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.923952][ T4822] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.926490][ T4822] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.928707][ T4821] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.932349][ T4816] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.956594][ T4821] team0: Port device team_slave_0 added [ 66.967044][ T4823] team0: Port device team_slave_0 added [ 66.969162][ T4816] team0: Port device team_slave_0 added [ 66.971480][ T4822] team0: Port device team_slave_0 added [ 66.973595][ T4821] team0: Port device team_slave_1 added [ 66.980910][ T4823] team0: Port device team_slave_1 added [ 66.982590][ T4816] team0: Port device team_slave_1 added [ 66.984295][ T4822] team0: Port device team_slave_1 added [ 67.003944][ T4821] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 67.005000][ T4821] 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. [ 67.009279][ T4821] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 67.015560][ T4823] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 67.016696][ T4823] 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. [ 67.021178][ T4823] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 67.025906][ T4822] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 67.027018][ T4822] 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. [ 67.031412][ T4822] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 67.033778][ T4822] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 67.034916][ T4822] 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. [ 67.039747][ T4822] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 67.042365][ T4821] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 67.043470][ T4821] 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. [ 67.047765][ T4821] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 67.053835][ T4823] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 67.054885][ T4823] 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. [ 67.059021][ T4823] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 67.062677][ T4816] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 67.063762][ T4816] 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. [ 67.068137][ T4816] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 67.085863][ T4816] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 67.087208][ T4816] 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. [ 67.094944][ T4816] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 67.141207][ T4823] device hsr_slave_0 entered promiscuous mode [ 67.180221][ T4823] device hsr_slave_1 entered promiscuous mode [ 67.220155][ T4823] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.221319][ T4823] Cannot create hsr debugfs directory [ 67.271318][ T4821] device hsr_slave_0 entered promiscuous mode [ 67.310249][ T4821] device hsr_slave_1 entered promiscuous mode [ 67.350274][ T4821] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.351449][ T4821] Cannot create hsr debugfs directory [ 67.391277][ T4822] device hsr_slave_0 entered promiscuous mode [ 67.440263][ T4822] device hsr_slave_1 entered promiscuous mode [ 67.500196][ T4822] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.501336][ T4822] Cannot create hsr debugfs directory [ 67.551756][ T4816] device hsr_slave_0 entered promiscuous mode [ 67.610602][ T4816] device hsr_slave_1 entered promiscuous mode [ 67.660055][ T4816] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.661273][ T4816] Cannot create hsr debugfs directory [ 68.000470][ T4226] Bluetooth: hci0: command 0x0409 tx timeout [ 68.160101][ T4229] Bluetooth: hci2: command 0x0409 tx timeout [ 68.161144][ T4229] Bluetooth: hci3: command 0x0409 tx timeout [ 68.162247][ T4229] Bluetooth: hci1: command 0x0409 tx timeout [ 68.240263][ T4229] Bluetooth: hci4: command 0x0409 tx timeout [ 68.982869][ T148] netdevsim netdevsim3 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 69.600851][ T2063] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.601946][ T21] cfg80211: failed to load regulatory.db [ 69.602050][ T2063] ieee802154 phy1 wpan1: encryption failed: -22 [ 70.080236][ T21] Bluetooth: hci0: command 0x041b tx timeout [ 70.240161][ T21] Bluetooth: hci1: command 0x041b tx timeout [ 70.241137][ T21] Bluetooth: hci3: command 0x041b tx timeout [ 70.242268][ T21] Bluetooth: hci2: command 0x041b tx timeout [ 70.320158][ T21] Bluetooth: hci4: command 0x041b tx timeout [ 71.422887][ T148] netdevsim netdevsim3 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 71.473042][ T148] netdevsim netdevsim3 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 72.160265][ T25] Bluetooth: hci0: command 0x040f tx timeout [ 72.320276][ T25] Bluetooth: hci2: command 0x040f tx timeout [ 72.321665][ T25] Bluetooth: hci3: command 0x040f tx timeout [ 72.322706][ T25] Bluetooth: hci1: command 0x040f tx timeout [ 72.400199][ T25] Bluetooth: hci4: command 0x040f tx timeout [ 74.240227][ T4875] Bluetooth: hci0: command 0x0419 tx timeout [ 74.400152][ T25] Bluetooth: hci1: command 0x0419 tx timeout [ 74.401197][ T25] Bluetooth: hci3: command 0x0419 tx timeout [ 74.402279][ T25] Bluetooth: hci2: command 0x0419 tx timeout [ 74.490143][ T4174] Bluetooth: hci4: command 0x0419 tx timeout [ 74.929666][ T4816] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 74.981263][ T4816] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 75.026443][ T4816] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 75.050290][ T4816] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 75.081484][ T4822] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 75.122045][ T4811] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 75.161303][ T4811] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 75.201175][ T4811] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 75.253252][ T4822] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 75.291239][ T4822] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 75.355996][ T4811] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 75.395747][ T4822] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 75.547581][ T4823] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 75.586434][ T4811] 8021q: adding VLAN 0 to HW filter on device bond0 [ 75.623519][ T4823] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 75.652002][ T4823] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 75.700483][ T4822] 8021q: adding VLAN 0 to HW filter on device bond0 [ 75.717007][ T4823] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 75.779886][ T4816] 8021q: adding VLAN 0 to HW filter on device bond0 [ 75.788652][ T4811] 8021q: adding VLAN 0 to HW filter on device team0 [ 75.790781][ T4821] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 75.822533][ T4821] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 75.881319][ T4821] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 75.931404][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 75.932903][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.934377][ T4821] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 75.983204][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 75.984763][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 75.986173][ T153] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.987269][ T153] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.988610][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 75.992801][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 75.994173][ T153] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.995320][ T153] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.996688][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 75.998316][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 75.999835][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 76.004740][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 76.006321][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 76.007935][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 76.009473][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 76.014873][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 76.016416][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 76.017773][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 76.024138][ T4822] 8021q: adding VLAN 0 to HW filter on device team0 [ 76.037999][ T4822] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 76.039706][ T4822] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 76.048225][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 76.049855][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 76.051812][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 76.053894][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 76.055711][ T153] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.056804][ T153] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.058254][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 76.059841][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 76.062996][ T153] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.064043][ T153] bridge0: port 2(bridge_slave_1) entered forwarding state [ 76.065453][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 76.067193][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 76.068801][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 76.071147][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 76.072694][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 76.074214][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 76.077073][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 76.078610][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 76.081674][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 76.083149][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 76.084630][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 76.086122][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 76.090929][ T4811] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 76.119489][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 76.121170][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 76.122709][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 76.124114][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 76.125591][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 76.129533][ T4816] 8021q: adding VLAN 0 to HW filter on device team0 [ 76.142083][ T611] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 76.143730][ T611] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 76.145144][ T611] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.146444][ T611] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.147778][ T611] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 76.158574][ T4823] 8021q: adding VLAN 0 to HW filter on device bond0 [ 76.169929][ T5348] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 76.171582][ T5348] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 76.173109][ T5348] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.174366][ T5348] bridge0: port 2(bridge_slave_1) entered forwarding state [ 76.197165][ T5348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 76.198833][ T5348] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 76.201173][ T5348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 76.203129][ T5348] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 76.205948][ T5348] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 76.207607][ T5348] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 76.209386][ T5348] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 76.223715][ T4823] 8021q: adding VLAN 0 to HW filter on device team0 [ 76.228230][ T5348] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 76.229463][ T5348] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 76.232155][ T5348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 76.233908][ T5348] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 76.235426][ T5348] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 76.236959][ T5348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 76.238398][ T5348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 76.241622][ T5348] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 76.243132][ T5348] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.244274][ T5348] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.245788][ T5348] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 76.247455][ T5348] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 76.248932][ T5348] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.250082][ T5348] bridge0: port 2(bridge_slave_1) entered forwarding state [ 76.259342][ T4822] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 76.263115][ T4811] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 76.284590][ T5348] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 76.286034][ T5348] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 76.287281][ T5348] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 76.288600][ T5348] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 76.291414][ T5348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 76.295568][ T5348] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 76.297055][ T5348] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 76.306745][ T4816] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 76.318877][ T4811] device veth0_vlan entered promiscuous mode [ 76.321701][ T5348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 76.323429][ T5348] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 76.324932][ T5348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 76.326365][ T5348] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 76.327738][ T5348] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 76.339877][ T4821] 8021q: adding VLAN 0 to HW filter on device bond0 [ 76.352505][ T4811] device veth1_vlan entered promiscuous mode [ 76.359463][ T4811] device veth0_macvtap entered promiscuous mode [ 76.367931][ T611] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 76.369406][ T611] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 76.371305][ T611] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 76.372898][ T611] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 76.374428][ T611] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 76.376691][ T611] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 76.390744][ T4821] 8021q: adding VLAN 0 to HW filter on device team0 [ 76.394205][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 76.395629][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 76.397010][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 76.398456][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 76.399956][ T153] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.401207][ T153] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.411477][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 76.413746][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 76.417710][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 76.423208][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 76.425028][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 76.427461][ T4811] device veth1_macvtap entered promiscuous mode [ 76.436807][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 76.439278][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 76.441318][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 76.442814][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 76.444340][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 76.445928][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 76.448116][ T4823] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 76.480722][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 76.482350][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 76.483756][ T153] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.484908][ T153] bridge0: port 2(bridge_slave_1) entered forwarding state [ 76.486213][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 76.487807][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 76.489350][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 76.495299][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 76.496888][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 76.498978][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 76.504773][ T4816] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 76.524538][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 76.526020][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 76.527324][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 76.528568][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 76.530292][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 76.536560][ T4822] device veth0_vlan entered promiscuous mode [ 76.538248][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 76.539838][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 76.546524][ T4811] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 76.548106][ T4811] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 76.552739][ T4811] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 76.555807][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 76.557249][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 76.558605][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 76.562466][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 76.564039][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 76.565604][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 76.570803][ T4821] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 76.572464][ T4821] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 76.577590][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 76.579186][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 76.581586][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 76.583071][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 76.591260][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 76.592828][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 76.595882][ T4811] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 76.597477][ T4811] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 76.599543][ T4811] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 76.604075][ T4816] device veth0_vlan entered promiscuous mode [ 76.606558][ T4822] device veth1_vlan entered promiscuous mode [ 76.608074][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 76.609508][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 76.611551][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 76.613699][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 76.615433][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 76.617297][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 76.623629][ T4811] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.625056][ T4811] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.626589][ T4811] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.628089][ T4811] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.650743][ T4823] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 76.663667][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 76.665198][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 76.666493][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 76.679857][ T4816] device veth1_vlan entered promiscuous mode [ 76.695963][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 76.697511][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 76.698996][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 76.701525][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 76.703095][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 76.704560][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 76.708667][ T4822] device veth0_macvtap entered promiscuous mode [ 76.730809][ T4816] device veth0_macvtap entered promiscuous mode [ 76.742300][ T4822] device veth1_macvtap entered promiscuous mode [ 76.750614][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 76.752058][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 76.753562][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 76.755194][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 76.757615][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 76.766669][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 76.768289][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 76.769953][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 76.771800][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 76.778450][ T4823] device veth0_vlan entered promiscuous mode [ 76.784321][ T4816] device veth1_macvtap entered promiscuous mode [ 76.793822][ T4823] device veth1_vlan entered promiscuous mode [ 76.798548][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 76.800454][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 76.801904][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 76.803298][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 76.804582][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 76.807497][ T4822] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 76.809188][ T4822] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 76.812481][ T4822] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 76.814095][ T4822] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 76.816421][ T4822] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 76.824461][ T4821] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 76.828848][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 76.830889][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 76.833799][ T153] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 76.834921][ T153] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 76.836266][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 76.847523][ T4816] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 76.849109][ T4816] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 76.856167][ T4816] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 76.857935][ T4816] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 76.859643][ T4816] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 76.861572][ T4816] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 76.864219][ T4816] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 76.871836][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 76.873354][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 76.874939][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 76.876509][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 76.878947][ T4822] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 76.884205][ T4822] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 76.885860][ T4822] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 76.887524][ T4822] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 76.891513][ T4822] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 76.895522][ T4822] netdevsim netdevsim4 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.896874][ T4822] netdevsim netdevsim4 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.898224][ T4822] netdevsim netdevsim4 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.899767][ T4822] netdevsim netdevsim4 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.903964][ T5348] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 76.905130][ T5348] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 76.914254][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 76.915666][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 76.917294][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 76.920830][ T4816] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 76.923219][ T4816] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 76.924792][ T4816] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 76.926371][ T4816] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 76.927967][ T4816] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 76.929618][ T4816] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 76.932379][ T4816] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 76.938037][ T4823] device veth0_macvtap entered promiscuous mode [ 76.943622][ T5348] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 76.945167][ T5348] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 76.946767][ T5348] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 76.948636][ T5348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 76.951946][ T5348] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready 1970/01/01 00:01:16 executed programs: 10 [ 76.961991][ T5348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 76.965328][ T4823] device veth1_macvtap entered promiscuous mode [ 76.975253][ T4823] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 76.977242][ T4823] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 76.978865][ T4823] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 76.981049][ T4823] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 76.982789][ T4823] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 76.984610][ T4823] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 76.986247][ T4823] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 76.988132][ T4823] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 76.994768][ T4823] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 76.997059][ T4823] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 76.998705][ T4823] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 77.000539][ T4823] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 77.002158][ T4823] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 77.003685][ T4823] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 77.005313][ T4823] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 77.006949][ T4823] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 77.008925][ T4823] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 77.015618][ T4823] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 77.018122][ T4823] netdevsim netdevsim3 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.019650][ T4823] netdevsim netdevsim3 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.021634][ T4823] netdevsim netdevsim3 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.023042][ T4823] netdevsim netdevsim3 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.043436][ T4076] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:201' [ 77.044896][ T4076] CPU: 0 PID: 4076 Comm: kworker/u5:2 Not tainted syzkaller #0 [ 77.046087][ T4076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 77.047643][ T4076] Workqueue: hci0 hci_rx_work [ 77.048358][ T4076] Call trace: [ 77.048944][ T4076] dump_backtrace+0x0/0x458 [ 77.049635][ T4076] show_stack+0x2c/0x3c [ 77.049901][ T4821] device veth0_vlan entered promiscuous mode [ 77.050240][ T4076] __dump_stack+0x30/0x40 [ 77.050267][ T4076] dump_stack_lvl+0xf4/0x15c [ 77.052559][ T4076] dump_stack+0x1c/0x5c [ 77.053264][ T4076] sysfs_create_dir_ns+0x244/0x264 [ 77.054043][ T4076] kobject_add_internal+0x5ac/0xc3c [ 77.054863][ T4076] kobject_add+0x140/0x20c [ 77.055655][ T4076] device_add+0x3f0/0xf90 [ 77.056413][ T4076] hci_conn_add_sysfs+0xbc/0x1c8 [ 77.056730][ T4821] device veth1_vlan entered promiscuous mode [ 77.057292][ T4076] le_conn_complete_evt+0x9bc/0x11e8 [ 77.059381][ T4076] hci_le_meta_evt+0x220/0x304c [ 77.060220][ T4076] hci_event_packet+0xd2c/0x1208 [ 77.061097][ T4076] hci_rx_work+0x1cc/0x868 [ 77.061738][ T4076] process_one_work+0x79c/0x1138 [ 77.062640][ T4076] worker_thread+0x8f4/0x1034 [ 77.063388][ T4076] kthread+0x374/0x454 [ 77.064111][ T4076] ret_from_fork+0x10/0x20 [ 77.065583][ T4076] kobject_add_internal failed for hci0:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 77.067645][ T4076] Bluetooth: hci0: failed to register connection device [ 77.086243][ T4821] device veth0_macvtap entered promiscuous mode [ 77.088584][ T4821] device veth1_macvtap entered promiscuous mode [ 77.090442][ T5436] loop0: detected capacity change from 0 to 8192 [ 77.098044][ T5348] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 77.099530][ T5348] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 77.102567][ T5348] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 77.103972][ T5348] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 77.106118][ T5348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 77.107703][ T5348] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 77.109263][ T5348] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 77.118702][ T5436] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 77.118935][ T5348] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 77.120450][ T5436] REISERFS (device loop0): using ordered data mode [ 77.122704][ T5436] reiserfs: using flush barriers [ 77.124280][ T5436] REISERFS warning (device loop0): sh-457 journal_init_dev: journal_init_dev: Cannot open './file2aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa': -2 [ 77.128966][ T5436] REISERFS warning (device loop0): sh-462 journal_init: unable to initialize journal device [ 77.130924][ T5436] REISERFS warning (device loop0): sh-2022 reiserfs_fill_super: unable to initialize journal space [ 77.136785][ T5348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 77.142771][ T5348] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 77.144480][ T5348] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 77.161199][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 77.162451][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 77.163861][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 77.171305][ T4816] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.172814][ T4816] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.174240][ T4816] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.175655][ T4816] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.305520][ T1610] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 77.306914][ T1610] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 77.311142][ T4074] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:201' [ 77.312886][ T4074] CPU: 0 PID: 4074 Comm: kworker/u5:1 Not tainted syzkaller #0 [ 77.314146][ T4074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 77.315573][ T4821] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 77.315871][ T4074] Workqueue: hci0 hci_rx_work [ 77.317496][ T4821] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 77.318310][ T4074] Call trace: [ 77.319916][ T4821] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 77.320499][ T4074] dump_backtrace+0x0/0x458 [ 77.320517][ T4074] show_stack+0x2c/0x3c [ 77.320524][ T4074] __dump_stack+0x30/0x40 [ 77.320532][ T4074] dump_stack_lvl+0xf4/0x15c [ 77.320538][ T4074] dump_stack+0x1c/0x5c [ 77.320544][ T4074] sysfs_create_dir_ns+0x244/0x264 [ 77.320551][ T4074] kobject_add_internal+0x5ac/0xc3c [ 77.320557][ T4074] kobject_add+0x140/0x20c [ 77.320562][ T4074] device_add+0x3f0/0xf90 [ 77.320567][ T4074] hci_conn_add_sysfs+0xbc/0x1c8 [ 77.320573][ T4074] le_conn_complete_evt+0x9bc/0x11e8 [ 77.320578][ T4074] hci_le_meta_evt+0x220/0x304c [ 77.320583][ T4074] hci_event_packet+0xd2c/0x1208 [ 77.320588][ T4074] hci_rx_work+0x1cc/0x868 [ 77.320593][ T4074] process_one_work+0x79c/0x1138 [ 77.320598][ T4074] worker_thread+0x8f4/0x1034 [ 77.320603][ T4074] kthread+0x374/0x454 [ 77.320608][ T4074] ret_from_fork+0x10/0x20 [ 77.322395][ T4074] kobject_add_internal failed for hci0:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 77.338919][ T4074] Bluetooth: hci0: failed to register connection device [ 77.339059][ T4821] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 77.344502][ T4821] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 77.346083][ T4821] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 77.347723][ T4821] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 77.349586][ T4821] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 77.352822][ T4821] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 77.354395][ T4821] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 77.357078][ T4821] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 77.367502][ T5444] loop0: detected capacity change from 0 to 8192 [ 77.369664][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 77.371491][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 77.373100][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 77.379518][ T4821] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 77.381692][ T4821] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 77.383305][ T4821] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 77.385026][ T4821] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 77.386707][ T4821] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 77.388493][ T4821] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 77.390598][ T4821] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 77.392301][ T4821] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 77.393792][ T4821] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 77.395282][ T4821] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 77.397739][ T4821] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 77.399747][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 77.401530][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 77.404920][ T4821] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.406244][ T4821] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.407589][ T4821] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.409040][ T4821] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.414179][ T5444] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 77.415685][ T5444] REISERFS (device loop0): using ordered data mode [ 77.416701][ T5444] reiserfs: using flush barriers [ 77.417883][ T5444] REISERFS warning (device loop0): sh-457 journal_init_dev: journal_init_dev: Cannot open './file2aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa': -2 [ 77.423170][ T5444] REISERFS warning (device loop0): sh-462 journal_init: unable to initialize journal device [ 77.425145][ T5444] REISERFS warning (device loop0): sh-2022 reiserfs_fill_super: unable to initialize journal space [ 77.440604][ T5348] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 77.441812][ T5348] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 77.444030][ T5348] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 77.446427][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 77.447692][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 77.449151][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 77.470404][ T5348] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 77.471884][ T5348] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 77.492336][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 77.588713][ T5348] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 77.588866][ T1610] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 77.589956][ T5348] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 77.592128][ T1610] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 77.593500][ T611] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 77.595586][ T611] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 77.595603][ T4074] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:201' [ 77.598323][ T4074] CPU: 0 PID: 4074 Comm: kworker/u5:1 Not tainted syzkaller #0 [ 77.599620][ T4074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 77.601409][ T4074] Workqueue: hci0 hci_rx_work [ 77.602221][ T4074] Call trace: [ 77.602771][ T4074] dump_backtrace+0x0/0x458 [ 77.603534][ T4074] show_stack+0x2c/0x3c [ 77.604240][ T4074] __dump_stack+0x30/0x40 [ 77.605005][ T4074] dump_stack_lvl+0xf4/0x15c [ 77.605731][ T4074] dump_stack+0x1c/0x5c [ 77.606443][ T4074] sysfs_create_dir_ns+0x244/0x264 [ 77.607329][ T4074] kobject_add_internal+0x5ac/0xc3c [ 77.608227][ T4074] kobject_add+0x140/0x20c [ 77.608970][ T4074] device_add+0x3f0/0xf90 [ 77.609659][ T4074] hci_conn_add_sysfs+0xbc/0x1c8 [ 77.610483][ T4074] le_conn_complete_evt+0x9bc/0x11e8 [ 77.611419][ T4074] hci_le_meta_evt+0x220/0x304c [ 77.612261][ T4074] hci_event_packet+0xd2c/0x1208 [ 77.613128][ T4074] hci_rx_work+0x1cc/0x868 [ 77.613900][ T4074] process_one_work+0x79c/0x1138 [ 77.614764][ T4074] worker_thread+0x8f4/0x1034 [ 77.615624][ T4074] kthread+0x374/0x454 [ 77.616282][ T4074] ret_from_fork+0x10/0x20 [ 77.618622][ T4074] kobject_add_internal failed for hci0:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 77.620816][ T4074] Bluetooth: hci0: failed to register connection device [ 77.673748][ T4074] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci3/hci3:201' [ 77.675266][ T4074] CPU: 0 PID: 4074 Comm: kworker/u5:1 Not tainted syzkaller #0 [ 77.676498][ T4074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 77.678167][ T4074] Workqueue: hci3 hci_rx_work [ 77.678931][ T4074] Call trace: [ 77.679456][ T4074] dump_backtrace+0x0/0x458 [ 77.680201][ T4074] show_stack+0x2c/0x3c [ 77.680911][ T4074] __dump_stack+0x30/0x40 [ 77.681644][ T4074] dump_stack_lvl+0xf4/0x15c [ 77.682442][ T4074] dump_stack+0x1c/0x5c [ 77.683126][ T4074] sysfs_create_dir_ns+0x244/0x264 [ 77.683966][ T4074] kobject_add_internal+0x5ac/0xc3c [ 77.684254][ T5348] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 77.684834][ T4074] kobject_add+0x140/0x20c [ 77.686089][ T5348] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 77.686754][ T4074] device_add+0x3f0/0xf90 [ 77.688552][ T4074] hci_conn_add_sysfs+0xbc/0x1c8 [ 77.689328][ T4074] le_conn_complete_evt+0x9bc/0x11e8 [ 77.690122][ T4074] hci_le_meta_evt+0x220/0x304c [ 77.690893][ T4074] hci_event_packet+0xd2c/0x1208 [ 77.691710][ T4074] hci_rx_work+0x1cc/0x868 [ 77.692382][ T4074] process_one_work+0x79c/0x1138 [ 77.693146][ T4074] worker_thread+0x8f4/0x1034 [ 77.693849][ T4074] kthread+0x374/0x454 [ 77.694471][ T4074] ret_from_fork+0x10/0x20 [ 77.696211][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 77.700235][ T4074] kobject_add_internal failed for hci3:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 77.702385][ T4074] Bluetooth: hci3: failed to register connection device [ 77.728465][ T5460] loop4: detected capacity change from 0 to 8192 [ 77.847713][ T4074] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci1/hci1:201' [ 77.849442][ T4074] CPU: 0 PID: 4074 Comm: kworker/u5:1 Not tainted syzkaller #0 [ 77.850802][ T4074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 77.852668][ T4074] Workqueue: hci1 hci_rx_work [ 77.853532][ T4074] Call trace: [ 77.854102][ T4074] dump_backtrace+0x0/0x458 [ 77.854901][ T4074] show_stack+0x2c/0x3c [ 77.855637][ T4074] __dump_stack+0x30/0x40 [ 77.856439][ T4074] dump_stack_lvl+0xf4/0x15c [ 77.857189][ T4074] dump_stack+0x1c/0x5c [ 77.857896][ T4074] sysfs_create_dir_ns+0x244/0x264 [ 77.858733][ T4074] kobject_add_internal+0x5ac/0xc3c [ 77.859632][ T4074] kobject_add+0x140/0x20c [ 77.860382][ T4074] device_add+0x3f0/0xf90 [ 77.860629][ T5473] loop1: detected capacity change from 0 to 8192 [ 77.861173][ T4074] hci_conn_add_sysfs+0xbc/0x1c8 [ 77.863025][ T4074] le_conn_complete_evt+0x9bc/0x11e8 [ 77.863948][ T4074] hci_le_meta_evt+0x220/0x304c [ 77.864767][ T4074] hci_event_packet+0xd2c/0x1208 [ 77.865648][ T4074] hci_rx_work+0x1cc/0x868 [ 77.866435][ T4074] process_one_work+0x79c/0x1138 [ 77.867231][ T4074] worker_thread+0x8f4/0x1034 [ 77.868026][ T4074] kthread+0x374/0x454 [ 77.868674][ T4074] ret_from_fork+0x10/0x20 [ 77.870270][ T4074] kobject_add_internal failed for hci1:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 77.872359][ T4074] Bluetooth: hci1: failed to register connection device [ 77.894951][ T5460] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 77.896438][ T5460] REISERFS (device loop4): using ordered data mode [ 77.897499][ T5460] reiserfs: using flush barriers [ 77.898704][ T5460] REISERFS warning (device loop4): sh-457 journal_init_dev: journal_init_dev: Cannot open './file2aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa': -2 [ 77.903116][ T5460] REISERFS warning (device loop4): sh-462 journal_init: unable to initialize journal device [ 77.905038][ T5460] REISERFS warning (device loop4): sh-2022 reiserfs_fill_super: unable to initialize journal space [ 77.934421][ T4074] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci4/hci4:201' [ 77.935967][ T4074] CPU: 0 PID: 4074 Comm: kworker/u5:1 Not tainted syzkaller #0 [ 77.937134][ T4074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 77.938774][ T4074] Workqueue: hci4 hci_rx_work [ 77.939550][ T4074] Call trace: [ 77.940087][ T4074] dump_backtrace+0x0/0x458 [ 77.940791][ T4074] show_stack+0x2c/0x3c [ 77.941487][ T4074] __dump_stack+0x30/0x40 [ 77.942236][ T4074] dump_stack_lvl+0xf4/0x15c [ 77.943024][ T4074] dump_stack+0x1c/0x5c [ 77.943749][ T4074] sysfs_create_dir_ns+0x244/0x264 [ 77.944621][ T4074] kobject_add_internal+0x5ac/0xc3c [ 77.945515][ T4074] kobject_add+0x140/0x20c [ 77.946282][ T4074] device_add+0x3f0/0xf90 [ 77.946972][ T4074] hci_conn_add_sysfs+0xbc/0x1c8 [ 77.947779][ T4074] le_conn_complete_evt+0x9bc/0x11e8 [ 77.948678][ T4074] hci_le_meta_evt+0x220/0x304c [ 77.949505][ T4074] hci_event_packet+0xd2c/0x1208 [ 77.950336][ T4074] hci_rx_work+0x1cc/0x868 [ 77.951153][ T4074] process_one_work+0x79c/0x1138 [ 77.952023][ T4074] worker_thread+0x8f4/0x1034 [ 77.952843][ T4074] kthread+0x374/0x454 [ 77.953527][ T4074] ret_from_fork+0x10/0x20 [ 77.957017][ T4074] kobject_add_internal failed for hci4:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 77.958839][ T4074] Bluetooth: hci4: failed to register connection device [ 77.958963][ T5477] loop3: detected capacity change from 0 to 8192 [ 77.960777][ T4074] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci2/hci2:201' [ 77.962523][ T4074] CPU: 0 PID: 4074 Comm: kworker/u5:1 Not tainted syzkaller #0 [ 77.963735][ T4074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 77.965404][ T4074] Workqueue: hci2 hci_rx_work [ 77.966161][ T4074] Call trace: [ 77.966742][ T4074] dump_backtrace+0x0/0x458 [ 77.967583][ T4074] show_stack+0x2c/0x3c [ 77.968338][ T4074] __dump_stack+0x30/0x40 [ 77.969069][ T4074] dump_stack_lvl+0xf4/0x15c [ 77.969837][ T4074] dump_stack+0x1c/0x5c [ 77.970523][ T4074] sysfs_create_dir_ns+0x244/0x264 [ 77.971386][ T4074] kobject_add_internal+0x5ac/0xc3c [ 77.972294][ T4074] kobject_add+0x140/0x20c [ 77.973038][ T4074] device_add+0x3f0/0xf90 [ 77.973731][ T4074] hci_conn_add_sysfs+0xbc/0x1c8 [ 77.974571][ T4074] le_conn_complete_evt+0x9bc/0x11e8 [ 77.975481][ T4074] hci_le_meta_evt+0x220/0x304c [ 77.976319][ T4074] hci_event_packet+0xd2c/0x1208 [ 77.977159][ T4074] hci_rx_work+0x1cc/0x868 [ 77.977923][ T4074] process_one_work+0x79c/0x1138 [ 77.978772][ T4074] worker_thread+0x8f4/0x1034 [ 77.979563][ T4074] kthread+0x374/0x454 [ 77.980266][ T4074] ret_from_fork+0x10/0x20 [ 77.981494][ T4074] kobject_add_internal failed for hci2:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 77.983551][ T4074] Bluetooth: hci2: failed to register connection device [ 78.011978][ T5476] loop2: detected capacity change from 0 to 8192 [ 78.098384][ T4074] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:201' [ 78.101406][ T4074] CPU: 0 PID: 4074 Comm: kworker/u5:1 Not tainted syzkaller #0 [ 78.102578][ T4074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 78.104222][ T4074] Workqueue: hci0 hci_rx_work [ 78.105013][ T4074] Call trace: [ 78.105558][ T4074] dump_backtrace+0x0/0x458 [ 78.106311][ T4074] show_stack+0x2c/0x3c [ 78.107000][ T4074] __dump_stack+0x30/0x40 [ 78.107818][ T4074] dump_stack_lvl+0xf4/0x15c [ 78.108577][ T4074] dump_stack+0x1c/0x5c [ 78.109283][ T4074] sysfs_create_dir_ns+0x244/0x264 [ 78.110152][ T4074] kobject_add_internal+0x5ac/0xc3c [ 78.111063][ T4074] kobject_add+0x140/0x20c [ 78.111858][ T4074] device_add+0x3f0/0xf90 [ 78.112499][ T4074] hci_conn_add_sysfs+0xbc/0x1c8 [ 78.113383][ T4074] le_conn_complete_evt+0x9bc/0x11e8 [ 78.114323][ T4074] hci_le_meta_evt+0x220/0x304c [ 78.115224][ T4074] hci_event_packet+0xd2c/0x1208 [ 78.116080][ T4074] hci_rx_work+0x1cc/0x868 [ 78.116758][ T4074] process_one_work+0x79c/0x1138 [ 78.117574][ T4074] worker_thread+0x8f4/0x1034 [ 78.118331][ T4074] kthread+0x374/0x454 [ 78.118990][ T4074] ret_from_fork+0x10/0x20 [ 78.119965][ T4074] kobject_add_internal failed for hci0:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 78.122074][ T4074] Bluetooth: hci0: failed to register connection device [ 78.125689][ T5484] loop0: detected capacity change from 0 to 8192 [ 78.145380][ T5473] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 78.146783][ T5473] REISERFS (device loop1): using ordered data mode [ 78.147967][ T5473] reiserfs: using flush barriers [ 78.148236][ T5476] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 78.149178][ T5473] REISERFS warning (device loop1): sh-457 journal_init_dev: journal_init_dev: Cannot open './file2aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa': -2 [ 78.150519][ T5476] REISERFS (device loop2): using ordered data mode [ 78.155787][ T5473] REISERFS warning (device loop1): sh-462 journal_init: unable to initialize journal device [ 78.156769][ T5476] reiserfs: using flush barriers [ 78.158440][ T5473] REISERFS warning (device loop1): sh-2022 reiserfs_fill_super: unable to initialize journal space [ 78.159461][ T5476] REISERFS warning (device loop2): sh-457 journal_init_dev: journal_init_dev: Cannot open './file2aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa': -2 [ 78.166004][ T5476] REISERFS warning (device loop2): sh-462 journal_init: unable to initialize journal device [ 78.167937][ T5476] REISERFS warning (device loop2): sh-2022 reiserfs_fill_super: unable to initialize journal space [ 78.173270][ T5477] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 78.173910][ T5484] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 78.174786][ T5477] REISERFS (device loop3): using ordered data mode [ 78.176442][ T5484] REISERFS (device loop0): using ordered data mode [ 78.177464][ T5477] reiserfs: using flush barriers [ 78.178461][ T5484] reiserfs: using flush barriers [ 78.179670][ T5477] REISERFS warning (device loop3): sh-457 journal_init_dev: journal_init_dev: Cannot open './file2aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa': -2 [ 78.180474][ T5484] REISERFS warning (device loop0): sh-457 journal_init_dev: journal_init_dev: Cannot open './file2aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa': -2 [ 78.185187][ T5477] REISERFS warning (device loop3): sh-462 journal_init: unable to initialize journal device [ 78.190239][ T5484] REISERFS warning (device loop0): sh-462 journal_init: unable to initialize journal device [ 78.191972][ T5477] REISERFS warning (device loop3): sh-2022 reiserfs_fill_super: unable to initialize journal space [ 78.193613][ T5484] REISERFS warning (device loop0): sh-2022 reiserfs_fill_super: unable to initialize journal space [ 78.383493][ T4074] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci1/hci1:201' [ 78.384980][ T4074] CPU: 0 PID: 4074 Comm: kworker/u5:1 Not tainted syzkaller #0 [ 78.386243][ T4074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 78.388100][ T4074] Workqueue: hci1 hci_rx_work [ 78.388964][ T4074] Call trace: [ 78.389587][ T4074] dump_backtrace+0x0/0x458 [ 78.390342][ T4074] show_stack+0x2c/0x3c [ 78.391043][ T4074] __dump_stack+0x30/0x40 [ 78.391759][ T4074] dump_stack_lvl+0xf4/0x15c [ 78.392494][ T4074] dump_stack+0x1c/0x5c [ 78.393224][ T4074] sysfs_create_dir_ns+0x244/0x264 [ 78.394055][ T4074] kobject_add_internal+0x5ac/0xc3c [ 78.394935][ T4074] kobject_add+0x140/0x20c [ 78.395770][ T4074] device_add+0x3f0/0xf90 [ 78.396544][ T4074] hci_conn_add_sysfs+0xbc/0x1c8 [ 78.397404][ T4074] le_conn_complete_evt+0x9bc/0x11e8 [ 78.398283][ T4074] hci_le_meta_evt+0x220/0x304c [ 78.399138][ T4074] hci_event_packet+0xd2c/0x1208 [ 78.400008][ T4074] hci_rx_work+0x1cc/0x868 [ 78.400785][ T4074] process_one_work+0x79c/0x1138 [ 78.401624][ T4074] worker_thread+0x8f4/0x1034 [ 78.402449][ T4074] kthread+0x374/0x454 [ 78.403185][ T4074] ret_from_fork+0x10/0x20 [ 78.404309][ T4076] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci3/hci3:201' [ 78.405829][ T4076] CPU: 0 PID: 4076 Comm: kworker/u5:2 Not tainted syzkaller #0 [ 78.407087][ T4076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 78.408673][ T4076] Workqueue: hci3 hci_rx_work [ 78.409447][ T4076] Call trace: [ 78.409985][ T4076] dump_backtrace+0x0/0x458 [ 78.410734][ T4076] show_stack+0x2c/0x3c [ 78.411414][ T4076] __dump_stack+0x30/0x40 [ 78.412210][ T4076] dump_stack_lvl+0xf4/0x15c [ 78.412965][ T4076] dump_stack+0x1c/0x5c [ 78.413673][ T4076] sysfs_create_dir_ns+0x244/0x264 [ 78.414517][ T4076] kobject_add_internal+0x5ac/0xc3c [ 78.415413][ T4076] kobject_add+0x140/0x20c [ 78.416171][ T4076] device_add+0x3f0/0xf90 [ 78.416895][ T4076] hci_conn_add_sysfs+0xbc/0x1c8 [ 78.417703][ T4076] le_conn_complete_evt+0x9bc/0x11e8 [ 78.418628][ T4076] hci_le_meta_evt+0x220/0x304c [ 78.419400][ T4076] hci_event_packet+0xd2c/0x1208 [ 78.420202][ T4076] hci_rx_work+0x1cc/0x868 [ 78.420960][ T4076] process_one_work+0x79c/0x1138 [ 78.421784][ T4076] worker_thread+0x8f4/0x1034 [ 78.422582][ T4076] kthread+0x374/0x454 [ 78.423295][ T4076] ret_from_fork+0x10/0x20 [ 78.424981][ T4076] kobject_add_internal failed for hci3:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 78.427311][ T4076] Bluetooth: hci3: failed to register connection device [ 78.428859][ T4074] kobject_add_internal failed for hci1:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 78.431177][ T4074] Bluetooth: hci1: failed to register connection device [ 78.435501][ T5497] loop4: detected capacity change from 0 to 8192 [ 78.514162][ T5497] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 78.515706][ T5497] REISERFS (device loop4): using ordered data mode [ 78.516841][ T5497] reiserfs: using flush barriers [ 78.518033][ T5497] REISERFS warning (device loop4): sh-457 journal_init_dev: journal_init_dev: Cannot open './file2aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa': -2 [ 78.522871][ T5497] REISERFS warning (device loop4): sh-462 journal_init: unable to initialize journal device [ 78.524652][ T5497] REISERFS warning (device loop4): sh-2022 reiserfs_fill_super: unable to initialize journal space [ 78.628164][ T144] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci1/hci1:201' [ 78.629843][ T144] CPU: 1 PID: 144 Comm: kworker/u5:0 Not tainted syzkaller #0 [ 78.631177][ T144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 78.632988][ T144] Workqueue: hci1 hci_rx_work [ 78.633835][ T144] Call trace: [ 78.634430][ T144] dump_backtrace+0x0/0x458 [ 78.635249][ T144] show_stack+0x2c/0x3c [ 78.635958][ T144] __dump_stack+0x30/0x40 [ 78.636728][ T144] dump_stack_lvl+0xf4/0x15c [ 78.637522][ T144] dump_stack+0x1c/0x5c [ 78.638267][ T144] sysfs_create_dir_ns+0x244/0x264 [ 78.639125][ T144] kobject_add_internal+0x5ac/0xc3c [ 78.639978][ T144] kobject_add+0x140/0x20c [ 78.640715][ T144] device_add+0x3f0/0xf90 [ 78.641407][ T144] hci_conn_add_sysfs+0xbc/0x1c8 [ 78.642223][ T144] le_conn_complete_evt+0x9bc/0x11e8 [ 78.643094][ T144] hci_le_meta_evt+0x220/0x304c [ 78.643857][ T144] hci_event_packet+0xd2c/0x1208 [ 78.644658][ T144] hci_rx_work+0x1cc/0x868 [ 78.645365][ T144] process_one_work+0x79c/0x1138 [ 78.646160][ T144] worker_thread+0x8f4/0x1034 [ 78.646908][ T144] kthread+0x374/0x454 [ 78.647552][ T144] ret_from_fork+0x10/0x20 [ 78.649953][ T4076] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci4/hci4:201' [ 78.650609][ T144] kobject_add_internal failed for hci1:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 78.651629][ T4076] CPU: 0 PID: 4076 Comm: kworker/u5:2 Not tainted syzkaller #0 [ 78.654297][ T144] Bluetooth: hci1: failed to register connection device [ 78.654922][ T4076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 78.657497][ T4076] Workqueue: hci4 hci_rx_work [ 78.658315][ T4076] Call trace: [ 78.658880][ T4076] dump_backtrace+0x0/0x458 [ 78.659631][ T4076] show_stack+0x2c/0x3c [ 78.660315][ T4076] __dump_stack+0x30/0x40 [ 78.661022][ T4076] dump_stack_lvl+0xf4/0x15c [ 78.661720][ T4076] dump_stack+0x1c/0x5c [ 78.662450][ T4076] sysfs_create_dir_ns+0x244/0x264 [ 78.663289][ T4076] kobject_add_internal+0x5ac/0xc3c [ 78.664246][ T4076] kobject_add+0x140/0x20c [ 78.665026][ T4076] device_add+0x3f0/0xf90 [ 78.665723][ T4076] hci_conn_add_sysfs+0xbc/0x1c8 [ 78.666549][ T4076] le_conn_complete_evt+0x9bc/0x11e8 [ 78.667413][ T4076] hci_le_meta_evt+0x220/0x304c [ 78.668253][ T4076] hci_event_packet+0xd2c/0x1208 [ 78.669130][ T4076] hci_rx_work+0x1cc/0x868 [ 78.669838][ T4076] process_one_work+0x79c/0x1138 [ 78.670745][ T4076] worker_thread+0x8f4/0x1034 [ 78.671525][ T4076] kthread+0x374/0x454 [ 78.672289][ T4076] ret_from_fork+0x10/0x20 [ 78.674950][ T4076] kobject_add_internal failed for hci4:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 78.677116][ T4076] Bluetooth: hci4: failed to register connection device [ 78.780216][ T4076] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci2/hci2:201' [ 78.781734][ T4076] CPU: 1 PID: 4076 Comm: kworker/u5:2 Not tainted syzkaller #0 [ 78.783060][ T4076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 78.784723][ T4076] Workqueue: hci2 hci_rx_work [ 78.785589][ T4076] Call trace: [ 78.786164][ T4076] dump_backtrace+0x0/0x458 [ 78.786921][ T4076] show_stack+0x2c/0x3c [ 78.787611][ T4076] __dump_stack+0x30/0x40 [ 78.788390][ T4076] dump_stack_lvl+0xf4/0x15c [ 78.789204][ T4076] dump_stack+0x1c/0x5c [ 78.789910][ T4076] sysfs_create_dir_ns+0x244/0x264 [ 78.790804][ T4076] kobject_add_internal+0x5ac/0xc3c [ 78.791712][ T4076] kobject_add+0x140/0x20c [ 78.792472][ T4076] device_add+0x3f0/0xf90 [ 78.793194][ T4076] hci_conn_add_sysfs+0xbc/0x1c8 [ 78.794017][ T4076] le_conn_complete_evt+0x9bc/0x11e8 [ 78.794872][ T4076] hci_le_meta_evt+0x220/0x304c [ 78.795748][ T4076] hci_event_packet+0xd2c/0x1208 [ 78.796644][ T4076] hci_rx_work+0x1cc/0x868 [ 78.797424][ T4076] process_one_work+0x79c/0x1138 [ 78.798278][ T4076] worker_thread+0x8f4/0x1034 [ 78.799139][ T4076] kthread+0x374/0x454 [ 78.799861][ T4076] ret_from_fork+0x10/0x20 [ 78.800935][ T4076] kobject_add_internal failed for hci2:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 78.803075][ T4076] Bluetooth: hci2: failed to register connection device [ 78.813772][ T5504] loop1: detected capacity change from 0 to 8192 [ 78.828668][ T4076] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:201' [ 78.830279][ T4076] CPU: 1 PID: 4076 Comm: kworker/u5:2 Not tainted syzkaller #0 [ 78.831482][ T4076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 78.833149][ T4076] Workqueue: hci0 hci_rx_work [ 78.833918][ T4076] Call trace: [ 78.834463][ T4076] dump_backtrace+0x0/0x458 [ 78.835204][ T4076] show_stack+0x2c/0x3c [ 78.835916][ T4076] __dump_stack+0x30/0x40 [ 78.836687][ T4076] dump_stack_lvl+0xf4/0x15c [ 78.837491][ T4076] dump_stack+0x1c/0x5c [ 78.838220][ T4076] sysfs_create_dir_ns+0x244/0x264 [ 78.839179][ T4076] kobject_add_internal+0x5ac/0xc3c [ 78.840121][ T4076] kobject_add+0x140/0x20c [ 78.840879][ T4076] device_add+0x3f0/0xf90 [ 78.841625][ T4076] hci_conn_add_sysfs+0xbc/0x1c8 [ 78.842483][ T4076] le_conn_complete_evt+0x9bc/0x11e8 [ 78.843433][ T4076] hci_le_meta_evt+0x220/0x304c [ 78.844236][ T4076] hci_event_packet+0xd2c/0x1208 [ 78.845084][ T4076] hci_rx_work+0x1cc/0x868 [ 78.845837][ T4076] process_one_work+0x79c/0x1138 [ 78.846665][ T4076] worker_thread+0x8f4/0x1034 [ 78.847470][ T4076] kthread+0x374/0x454 [ 78.848170][ T4076] ret_from_fork+0x10/0x20 [ 78.852417][ T4076] kobject_add_internal failed for hci0:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 78.854372][ T4076] Bluetooth: hci0: failed to register connection device [ 78.862843][ T5507] loop2: detected capacity change from 0 to 8192 [ 78.903896][ T5504] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 78.905387][ T5504] REISERFS (device loop1): using ordered data mode [ 78.906546][ T5504] reiserfs: using flush barriers [ 78.907705][ T5504] REISERFS warning (device loop1): sh-457 journal_init_dev: journal_init_dev: Cannot open './file2aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa': -2 [ 78.912777][ T5504] REISERFS warning (device loop1): sh-462 journal_init: unable to initialize journal device [ 78.914643][ T5504] REISERFS warning (device loop1): sh-2022 reiserfs_fill_super: unable to initialize journal space [ 78.930823][ T5507] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 78.932265][ T5507] REISERFS (device loop2): using ordered data mode [ 78.933252][ T5507] reiserfs: using flush barriers [ 78.934449][ T5507] REISERFS warning (device loop2): sh-457 journal_init_dev: journal_init_dev: Cannot open './file2aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa': -2 [ 78.939535][ T5507] REISERFS warning (device loop2): sh-462 journal_init: unable to initialize journal device [ 78.941414][ T5507] REISERFS warning (device loop2): sh-2022 reiserfs_fill_super: unable to initialize journal space [ 78.965979][ T4074] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci3/hci3:201' [ 78.967472][ T4074] CPU: 0 PID: 4074 Comm: kworker/u5:1 Not tainted syzkaller #0 [ 78.968629][ T4074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 78.970234][ T4074] Workqueue: hci3 hci_rx_work [ 78.971030][ T4074] Call trace: [ 78.971578][ T4074] dump_backtrace+0x0/0x458 [ 78.972455][ T4074] show_stack+0x2c/0x3c [ 78.973099][ T4074] __dump_stack+0x30/0x40 [ 78.973760][ T4074] dump_stack_lvl+0xf4/0x15c [ 78.974602][ T4074] dump_stack+0x1c/0x5c [ 78.975315][ T4074] sysfs_create_dir_ns+0x244/0x264 [ 78.976297][ T4074] kobject_add_internal+0x5ac/0xc3c [ 78.977134][ T4074] kobject_add+0x140/0x20c [ 78.977966][ T4074] device_add+0x3f0/0xf90 [ 78.978758][ T4074] hci_conn_add_sysfs+0xbc/0x1c8 [ 78.979657][ T4074] le_conn_complete_evt+0x9bc/0x11e8 [ 78.980665][ T4074] hci_le_meta_evt+0x220/0x304c [ 78.981552][ T4074] hci_event_packet+0xd2c/0x1208 [ 78.982359][ T4074] hci_rx_work+0x1cc/0x868 [ 78.983167][ T4074] process_one_work+0x79c/0x1138 [ 78.984020][ T4074] worker_thread+0x8f4/0x1034 [ 78.984826][ T4074] kthread+0x374/0x454 [ 78.985572][ T4074] ret_from_fork+0x10/0x20 [ 78.991047][ T4074] kobject_add_internal failed for hci3:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 78.993152][ T4074] Bluetooth: hci3: failed to register connection device [ 79.089051][ T4074] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci4/hci4:201' [ 79.104352][ T4074] CPU: 1 PID: 4074 Comm: kworker/u5:1 Not tainted syzkaller #0 [ 79.105609][ T4074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.107339][ T4074] Workqueue: hci4 hci_rx_work [ 79.108147][ T4074] Call trace: [ 79.108713][ T4074] dump_backtrace+0x0/0x458 [ 79.109530][ T4074] show_stack+0x2c/0x3c [ 79.110217][ T4074] __dump_stack+0x30/0x40 [ 79.110957][ T4074] dump_stack_lvl+0xf4/0x15c [ 79.111736][ T4074] dump_stack+0x1c/0x5c [ 79.112429][ T4074] sysfs_create_dir_ns+0x244/0x264 [ 79.113337][ T4074] kobject_add_internal+0x5ac/0xc3c [ 79.114246][ T4074] kobject_add+0x140/0x20c [ 79.115003][ T4074] device_add+0x3f0/0xf90 [ 79.115775][ T4074] hci_conn_add_sysfs+0xbc/0x1c8 [ 79.116614][ T4074] le_conn_complete_evt+0x9bc/0x11e8 [ 79.117502][ T4074] hci_le_meta_evt+0x220/0x304c [ 79.118347][ T4074] hci_event_packet+0xd2c/0x1208 [ 79.119177][ T4074] hci_rx_work+0x1cc/0x868 [ 79.119952][ T4074] process_one_work+0x79c/0x1138 [ 79.120797][ T4074] worker_thread+0x8f4/0x1034 [ 79.121578][ T4074] kthread+0x374/0x454 [ 79.122284][ T4074] ret_from_fork+0x10/0x20 [ 79.125046][ T4074] kobject_add_internal failed for hci4:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 79.127100][ T4074] Bluetooth: hci4: failed to register connection device [ 79.207014][ T5523] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 79.207184][ T4074] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:201' [ 79.208537][ T5523] REISERFS (device loop3): using ordered data mode [ 79.210107][ T4074] CPU: 1 PID: 4074 Comm: kworker/u5:1 Not tainted syzkaller #0 [ 79.211014][ T5523] reiserfs: using flush barriers [ 79.212268][ T4074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.213433][ T5523] REISERFS warning (device loop3): sh-457 journal_init_dev: journal_init_dev: Cannot open './file2aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa': -2 [ 79.214764][ T4074] Workqueue: hci0 hci_rx_work [ 79.219401][ T5523] REISERFS warning (device loop3): sh-462 journal_init: unable to initialize journal device [ 79.220088][ T4074] Call trace: [ 79.220094][ T4074] dump_backtrace+0x0/0x458 [ 79.221736][ T5523] REISERFS warning (device loop3): sh-2022 reiserfs_fill_super: unable to initialize journal space [ 79.222037][ T4074] show_stack+0x2c/0x3c [ 79.225216][ T4074] __dump_stack+0x30/0x40 [ 79.225973][ T4074] dump_stack_lvl+0xf4/0x15c [ 79.226789][ T4074] dump_stack+0x1c/0x5c [ 79.227466][ T4074] sysfs_create_dir_ns+0x244/0x264 [ 79.228356][ T4074] kobject_add_internal+0x5ac/0xc3c [ 79.229259][ T4074] kobject_add+0x140/0x20c [ 79.229983][ T4074] device_add+0x3f0/0xf90 [ 79.230686][ T4074] hci_conn_add_sysfs+0xbc/0x1c8 [ 79.231527][ T4074] le_conn_complete_evt+0x9bc/0x11e8 [ 79.232385][ T4074] hci_le_meta_evt+0x220/0x304c [ 79.233212][ T4074] hci_event_packet+0xd2c/0x1208 [ 79.234117][ T4074] hci_rx_work+0x1cc/0x868 [ 79.234868][ T4074] process_one_work+0x79c/0x1138 [ 79.235688][ T4074] worker_thread+0x8f4/0x1034 [ 79.236482][ T4074] kthread+0x374/0x454 [ 79.237226][ T4074] ret_from_fork+0x10/0x20 [ 79.238698][ T4074] kobject_add_internal failed for hci0:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 79.241448][ T4074] Bluetooth: hci0: failed to register connection device [ 79.387714][ T4074] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci1/hci1:201' [ 79.389178][ T4074] CPU: 1 PID: 4074 Comm: kworker/u5:1 Not tainted syzkaller #0 [ 79.390521][ T4074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.392354][ T4074] Workqueue: hci1 hci_rx_work [ 79.393179][ T4074] Call trace: [ 79.393755][ T4074] dump_backtrace+0x0/0x458 [ 79.394532][ T4074] show_stack+0x2c/0x3c [ 79.395284][ T4074] __dump_stack+0x30/0x40 [ 79.396052][ T4074] dump_stack_lvl+0xf4/0x15c [ 79.396853][ T4074] dump_stack+0x1c/0x5c [ 79.397632][ T4074] sysfs_create_dir_ns+0x244/0x264 [ 79.398494][ T4074] kobject_add_internal+0x5ac/0xc3c [ 79.399530][ T4074] kobject_add+0x140/0x20c [ 79.400246][ T4074] device_add+0x3f0/0xf90 [ 79.400974][ T4074] hci_conn_add_sysfs+0xbc/0x1c8 [ 79.401824][ T4074] le_conn_complete_evt+0x9bc/0x11e8 [ 79.402709][ T4074] hci_le_meta_evt+0x220/0x304c [ 79.403526][ T4074] hci_event_packet+0xd2c/0x1208 [ 79.404333][ T4074] hci_rx_work+0x1cc/0x868 [ 79.405097][ T4074] process_one_work+0x79c/0x1138 [ 79.405955][ T4074] worker_thread+0x8f4/0x1034 [ 79.406750][ T4074] kthread+0x374/0x454 [ 79.407463][ T4074] ret_from_fork+0x10/0x20 [ 79.420482][ T4074] kobject_add_internal failed for hci1:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 79.422512][ T4074] Bluetooth: hci1: failed to register connection device [ 79.424494][ T4074] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci2/hci2:201' [ 79.426026][ T4074] CPU: 1 PID: 4074 Comm: kworker/u5:1 Not tainted syzkaller #0 [ 79.427236][ T4074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.428989][ T4074] Workqueue: hci2 hci_rx_work [ 79.429748][ T4074] Call trace: [ 79.430287][ T4074] dump_backtrace+0x0/0x458 [ 79.431018][ T4074] show_stack+0x2c/0x3c [ 79.431671][ T4074] __dump_stack+0x30/0x40 [ 79.432314][ T4076] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci3/hci3:201' [ 79.432387][ T4074] dump_stack_lvl+0xf4/0x15c [ 79.434721][ T4074] dump_stack+0x1c/0x5c [ 79.435576][ T4074] sysfs_create_dir_ns+0x244/0x264 [ 79.436508][ T4074] kobject_add_internal+0x5ac/0xc3c [ 79.437408][ T4074] kobject_add+0x140/0x20c [ 79.438186][ T4074] device_add+0x3f0/0xf90 [ 79.438885][ T4074] hci_conn_add_sysfs+0xbc/0x1c8 [ 79.439748][ T4074] le_conn_complete_evt+0x9bc/0x11e8 [ 79.440599][ T4074] hci_le_meta_evt+0x220/0x304c [ 79.441404][ T4074] hci_event_packet+0xd2c/0x1208 [ 79.442280][ T4074] hci_rx_work+0x1cc/0x868 [ 79.443029][ T4074] process_one_work+0x79c/0x1138 [ 79.443915][ T4074] worker_thread+0x8f4/0x1034 [ 79.444690][ T4074] kthread+0x374/0x454 [ 79.445445][ T4074] ret_from_fork+0x10/0x20 [ 79.446205][ T4076] CPU: 0 PID: 4076 Comm: kworker/u5:2 Not tainted syzkaller #0 [ 79.447390][ T4076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.448997][ T4076] Workqueue: hci3 hci_rx_work [ 79.449775][ T4076] Call trace: [ 79.450290][ T4076] dump_backtrace+0x0/0x458 [ 79.451005][ T4076] show_stack+0x2c/0x3c [ 79.451630][ T4076] __dump_stack+0x30/0x40 [ 79.452326][ T4076] dump_stack_lvl+0xf4/0x15c [ 79.453039][ T4076] dump_stack+0x1c/0x5c [ 79.453699][ T4076] sysfs_create_dir_ns+0x244/0x264 [ 79.454503][ T4076] kobject_add_internal+0x5ac/0xc3c [ 79.455298][ T4076] kobject_add+0x140/0x20c [ 79.455998][ T4076] device_add+0x3f0/0xf90 [ 79.456735][ T4076] hci_conn_add_sysfs+0xbc/0x1c8 [ 79.457522][ T4076] le_conn_complete_evt+0x9bc/0x11e8 [ 79.458380][ T4076] hci_le_meta_evt+0x220/0x304c [ 79.459202][ T4076] hci_event_packet+0xd2c/0x1208 [ 79.459987][ T4076] hci_rx_work+0x1cc/0x868 [ 79.460796][ T4076] process_one_work+0x79c/0x1138 [ 79.461659][ T4076] worker_thread+0x8f4/0x1034 [ 79.462422][ T4076] kthread+0x374/0x454 [ 79.463087][ T4076] ret_from_fork+0x10/0x20 [ 79.470200][ T4076] kobject_add_internal failed for hci3:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 79.472233][ T4076] Bluetooth: hci3: failed to register connection device [ 79.488133][ T4074] kobject_add_internal failed for hci2:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 79.494863][ T4074] Bluetooth: hci2: failed to register connection device [ 79.523484][ T5526] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 79.525054][ T5526] REISERFS (device loop0): using ordered data mode [ 79.526187][ T5526] reiserfs: using flush barriers [ 79.527465][ T5526] REISERFS warning (device loop0): sh-457 journal_init_dev: journal_init_dev: Cannot open './file2aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa': -2 [ 79.532211][ T5526] REISERFS warning (device loop0): sh-462 journal_init: unable to initialize journal device [ 79.534280][ T5526] REISERFS warning (device loop0): sh-2022 reiserfs_fill_super: unable to initialize journal space [ 79.689861][ T4074] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci1/hci1:201' [ 79.691626][ T4074] CPU: 1 PID: 4074 Comm: kworker/u5:1 Not tainted syzkaller #0 [ 79.692908][ T4074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.694593][ T4074] Workqueue: hci1 hci_rx_work [ 79.695405][ T4074] Call trace: [ 79.695906][ T4074] dump_backtrace+0x0/0x458 [ 79.696649][ T4074] show_stack+0x2c/0x3c [ 79.697326][ T4074] __dump_stack+0x30/0x40 [ 79.698068][ T4074] dump_stack_lvl+0xf4/0x15c [ 79.698779][ T4074] dump_stack+0x1c/0x5c [ 79.699465][ T4074] sysfs_create_dir_ns+0x244/0x264 [ 79.700362][ T4074] kobject_add_internal+0x5ac/0xc3c [ 79.701219][ T4074] kobject_add+0x140/0x20c [ 79.701938][ T4074] device_add+0x3f0/0xf90 [ 79.702724][ T4074] hci_conn_add_sysfs+0xbc/0x1c8 [ 79.703579][ T4074] le_conn_complete_evt+0x9bc/0x11e8 [ 79.704525][ T4074] hci_le_meta_evt+0x220/0x304c [ 79.705332][ T4074] hci_event_packet+0xd2c/0x1208 [ 79.706173][ T4074] hci_rx_work+0x1cc/0x868 [ 79.706935][ T4074] process_one_work+0x79c/0x1138 [ 79.707700][ T4074] worker_thread+0x8f4/0x1034 [ 79.708491][ T4074] kthread+0x374/0x454 [ 79.709141][ T4074] ret_from_fork+0x10/0x20 [ 79.731416][ T4074] kobject_add_internal failed for hci1:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 79.733513][ T4074] Bluetooth: hci1: failed to register connection device [ 79.754461][ T4074] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci3/hci3:201' [ 79.755801][ T4074] CPU: 1 PID: 4074 Comm: kworker/u5:1 Not tainted syzkaller #0 [ 79.757063][ T4074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.758715][ T4074] Workqueue: hci3 hci_rx_work [ 79.759408][ T4074] Call trace: [ 79.760000][ T4074] dump_backtrace+0x0/0x458 [ 79.760730][ T4074] show_stack+0x2c/0x3c [ 79.761436][ T4074] __dump_stack+0x30/0x40 [ 79.762125][ T4074] dump_stack_lvl+0xf4/0x15c [ 79.762885][ T4074] dump_stack+0x1c/0x5c [ 79.763587][ T4074] sysfs_create_dir_ns+0x244/0x264 [ 79.764425][ T4074] kobject_add_internal+0x5ac/0xc3c [ 79.765309][ T4074] kobject_add+0x140/0x20c [ 79.766070][ T4074] device_add+0x3f0/0xf90 [ 79.766789][ T4074] hci_conn_add_sysfs+0xbc/0x1c8 [ 79.767651][ T4074] le_conn_complete_evt+0x9bc/0x11e8 [ 79.768554][ T4074] hci_le_meta_evt+0x220/0x304c [ 79.769489][ T4074] hci_event_packet+0xd2c/0x1208 [ 79.770304][ T4074] hci_rx_work+0x1cc/0x868 [ 79.771093][ T4074] process_one_work+0x79c/0x1138 [ 79.771894][ T4074] worker_thread+0x8f4/0x1034 [ 79.772653][ T4074] kthread+0x374/0x454 [ 79.773332][ T4074] ret_from_fork+0x10/0x20 [ 79.774662][ T4074] kobject_add_internal failed for hci3:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 79.776859][ T4074] Bluetooth: hci3: failed to register connection device [ 79.803851][ T144] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci4/hci4:201' [ 79.809590][ T144] CPU: 1 PID: 144 Comm: kworker/u5:0 Not tainted syzkaller #0 [ 79.810795][ T144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.812544][ T144] Workqueue: hci4 hci_rx_work [ 79.813335][ T144] Call trace: [ 79.813894][ T144] dump_backtrace+0x0/0x458 [ 79.814645][ T144] show_stack+0x2c/0x3c [ 79.815358][ T144] __dump_stack+0x30/0x40 [ 79.816118][ T144] dump_stack_lvl+0xf4/0x15c [ 79.816886][ T144] dump_stack+0x1c/0x5c [ 79.817583][ T144] sysfs_create_dir_ns+0x244/0x264 [ 79.818508][ T144] kobject_add_internal+0x5ac/0xc3c [ 79.819437][ T144] kobject_add+0x140/0x20c [ 79.820126][ T144] device_add+0x3f0/0xf90 [ 79.820819][ T144] hci_conn_add_sysfs+0xbc/0x1c8 [ 79.821679][ T144] le_conn_complete_evt+0x9bc/0x11e8 [ 79.822463][ T144] hci_le_meta_evt+0x220/0x304c [ 79.823283][ T144] hci_event_packet+0xd2c/0x1208 [ 79.824093][ T144] hci_rx_work+0x1cc/0x868 [ 79.824823][ T144] process_one_work+0x79c/0x1138 [ 79.825681][ T144] worker_thread+0x8f4/0x1034 [ 79.826405][ T144] kthread+0x374/0x454 [ 79.827113][ T144] ret_from_fork+0x10/0x20 [ 79.832387][ T144] kobject_add_internal failed for hci4:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 79.834347][ T144] Bluetooth: hci4: failed to register connection device [ 79.835662][ T4074] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci2/hci2:201' [ 79.837113][ T4074] CPU: 1 PID: 4074 Comm: kworker/u5:1 Not tainted syzkaller #0 [ 79.838414][ T4074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.840020][ T4074] Workqueue: hci2 hci_rx_work [ 79.840850][ T4074] Call trace: [ 79.841431][ T4074] dump_backtrace+0x0/0x458 [ 79.842223][ T4074] show_stack+0x2c/0x3c [ 79.842906][ T4074] __dump_stack+0x30/0x40 [ 79.843651][ T4074] dump_stack_lvl+0xf4/0x15c [ 79.844406][ T4074] dump_stack+0x1c/0x5c [ 79.845091][ T4074] sysfs_create_dir_ns+0x244/0x264 [ 79.845995][ T4074] kobject_add_internal+0x5ac/0xc3c [ 79.846875][ T4074] kobject_add+0x140/0x20c [ 79.847611][ T4074] device_add+0x3f0/0xf90 [ 79.848344][ T4074] hci_conn_add_sysfs+0xbc/0x1c8 [ 79.849134][ T4074] le_conn_complete_evt+0x9bc/0x11e8 [ 79.849965][ T4074] hci_le_meta_evt+0x220/0x304c [ 79.850794][ T4074] hci_event_packet+0xd2c/0x1208 [ 79.851610][ T4074] hci_rx_work+0x1cc/0x868 [ 79.852392][ T4074] process_one_work+0x79c/0x1138 [ 79.853224][ T4074] worker_thread+0x8f4/0x1034 [ 79.854074][ T4074] kthread+0x374/0x454 [ 79.854759][ T4074] ret_from_fork+0x10/0x20 [ 79.856325][ T4074] kobject_add_internal failed for hci2:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 79.881834][ T4074] Bluetooth: hci2: failed to register connection device [ 79.943811][ T4076] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:201' [ 79.945423][ T4076] CPU: 0 PID: 4076 Comm: kworker/u5:2 Not tainted syzkaller #0 [ 79.946649][ T4076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.948528][ T4076] Workqueue: hci0 hci_rx_work [ 79.949307][ T4076] Call trace: [ 79.949873][ T4076] dump_backtrace+0x0/0x458 [ 79.950637][ T4076] show_stack+0x2c/0x3c [ 79.951338][ T4076] __dump_stack+0x30/0x40 [ 79.951995][ T4076] dump_stack_lvl+0xf4/0x15c [ 79.952795][ T4076] dump_stack+0x1c/0x5c [ 79.953525][ T4076] sysfs_create_dir_ns+0x244/0x264 [ 79.954479][ T4076] kobject_add_internal+0x5ac/0xc3c [ 79.955361][ T4076] kobject_add+0x140/0x20c [ 79.956077][ T4076] device_add+0x3f0/0xf90 [ 79.956814][ T4076] hci_conn_add_sysfs+0xbc/0x1c8 [ 79.957661][ T4076] le_conn_complete_evt+0x9bc/0x11e8 [ 79.958558][ T4076] hci_le_meta_evt+0x220/0x304c [ 79.959356][ T4076] hci_event_packet+0xd2c/0x1208 [ 79.960245][ T4076] hci_rx_work+0x1cc/0x868 [ 79.960988][ T4076] process_one_work+0x79c/0x1138 [ 79.961818][ T4076] worker_thread+0x8f4/0x1034 [ 79.962627][ T4076] kthread+0x374/0x454 [ 79.963354][ T4076] ret_from_fork+0x10/0x20 [ 79.964900][ T4076] kobject_add_internal failed for hci0:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 79.967117][ T4076] Bluetooth: hci0: failed to register connection device [ 79.998335][ T4074] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci1/hci1:201' [ 80.000257][ T4074] CPU: 1 PID: 4074 Comm: kworker/u5:1 Not tainted syzkaller #0 [ 80.001470][ T4074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.003065][ T4074] Workqueue: hci1 hci_rx_work [ 80.003867][ T4074] Call trace: [ 80.004428][ T4074] dump_backtrace+0x0/0x458 [ 80.005207][ T4074] show_stack+0x2c/0x3c [ 80.005959][ T4074] __dump_stack+0x30/0x40 [ 80.006676][ T4074] dump_stack_lvl+0xf4/0x15c [ 80.007478][ T4074] dump_stack+0x1c/0x5c [ 80.008206][ T4074] sysfs_create_dir_ns+0x244/0x264 [ 80.009371][ T4074] kobject_add_internal+0x5ac/0xc3c [ 80.010244][ T4074] kobject_add+0x140/0x20c [ 80.011011][ T4074] device_add+0x3f0/0xf90 [ 80.011710][ T4074] hci_conn_add_sysfs+0xbc/0x1c8 [ 80.012510][ T4074] le_conn_complete_evt+0x9bc/0x11e8 [ 80.013429][ T4074] hci_le_meta_evt+0x220/0x304c [ 80.014299][ T4074] hci_event_packet+0xd2c/0x1208 [ 80.015132][ T4074] hci_rx_work+0x1cc/0x868 [ 80.015874][ T4074] process_one_work+0x79c/0x1138 [ 80.016692][ T4074] worker_thread+0x8f4/0x1034 [ 80.017514][ T4074] kthread+0x374/0x454 [ 80.018173][ T4074] ret_from_fork+0x10/0x20 [ 80.019130][ T4074] kobject_add_internal failed for hci1:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 80.021237][ T4074] Bluetooth: hci1: failed to register connection device [ 80.087824][ T4076] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci2/hci2:201' [ 80.089294][ T4076] CPU: 0 PID: 4076 Comm: kworker/u5:2 Not tainted syzkaller #0 [ 80.090627][ T4076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.092359][ T4076] Workqueue: hci2 hci_rx_work [ 80.093247][ T4076] Call trace: [ 80.093776][ T4076] dump_backtrace+0x0/0x458 [ 80.094530][ T4076] show_stack+0x2c/0x3c [ 80.095208][ T4076] __dump_stack+0x30/0x40 [ 80.095918][ T4076] dump_stack_lvl+0xf4/0x15c [ 80.096759][ T4076] dump_stack+0x1c/0x5c [ 80.097535][ T4076] sysfs_create_dir_ns+0x244/0x264 [ 80.098378][ T4076] kobject_add_internal+0x5ac/0xc3c [ 80.099360][ T4076] kobject_add+0x140/0x20c [ 80.100208][ T4076] device_add+0x3f0/0xf90 [ 80.100906][ T4076] hci_conn_add_sysfs+0xbc/0x1c8 [ 80.101692][ T4076] le_conn_complete_evt+0x9bc/0x11e8 [ 80.102548][ T4076] hci_le_meta_evt+0x220/0x304c [ 80.103338][ T4076] hci_event_packet+0xd2c/0x1208 [ 80.104113][ T4076] hci_rx_work+0x1cc/0x868 [ 80.104779][ T4076] process_one_work+0x79c/0x1138 [ 80.105637][ T4076] worker_thread+0x8f4/0x1034 [ 80.106448][ T4076] kthread+0x374/0x454 [ 80.107179][ T4076] ret_from_fork+0x10/0x20 [ 80.108387][ T4076] kobject_add_internal failed for hci2:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 80.110541][ T4076] Bluetooth: hci2: failed to register connection device [ 80.301821][ T4076] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci3/hci3:201' [ 80.303354][ T4076] CPU: 0 PID: 4076 Comm: kworker/u5:2 Not tainted syzkaller #0 [ 80.304524][ T4076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.306301][ T4076] Workqueue: hci3 hci_rx_work [ 80.307137][ T4076] Call trace: [ 80.307647][ T4076] dump_backtrace+0x0/0x458 [ 80.308425][ T4076] show_stack+0x2c/0x3c [ 80.309128][ T4076] __dump_stack+0x30/0x40 [ 80.309818][ T4076] dump_stack_lvl+0xf4/0x15c [ 80.310593][ T4076] dump_stack+0x1c/0x5c [ 80.311284][ T4076] sysfs_create_dir_ns+0x244/0x264 [ 80.312105][ T4076] kobject_add_internal+0x5ac/0xc3c [ 80.312948][ T4076] kobject_add+0x140/0x20c [ 80.313664][ T4076] device_add+0x3f0/0xf90 [ 80.314358][ T4076] hci_conn_add_sysfs+0xbc/0x1c8 [ 80.315151][ T4076] le_conn_complete_evt+0x9bc/0x11e8 [ 80.315948][ T4076] hci_le_meta_evt+0x220/0x304c [ 80.316697][ T4076] hci_event_packet+0xd2c/0x1208 [ 80.317530][ T4076] hci_rx_work+0x1cc/0x868 [ 80.318254][ T4076] process_one_work+0x79c/0x1138 [ 80.319107][ T4076] worker_thread+0x8f4/0x1034 [ 80.319877][ T4076] kthread+0x374/0x454 [ 80.320555][ T4076] ret_from_fork+0x10/0x20 [ 80.322389][ T4076] kobject_add_internal failed for hci3:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 80.324414][ T4076] Bluetooth: hci3: failed to register connection device [ 80.329588][ T4074] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci4/hci4:201' [ 80.331187][ T4074] CPU: 1 PID: 4074 Comm: kworker/u5:1 Not tainted syzkaller #0 [ 80.332457][ T4074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.334282][ T4074] Workqueue: hci4 hci_rx_work [ 80.335080][ T4074] Call trace: [ 80.335593][ T4074] dump_backtrace+0x0/0x458 [ 80.336356][ T4074] show_stack+0x2c/0x3c [ 80.337080][ T4074] __dump_stack+0x30/0x40 [ 80.337894][ T4074] dump_stack_lvl+0xf4/0x15c [ 80.338653][ T4074] dump_stack+0x1c/0x5c [ 80.339346][ T4074] sysfs_create_dir_ns+0x244/0x264 [ 80.340262][ T4074] kobject_add_internal+0x5ac/0xc3c [ 80.341192][ T4074] kobject_add+0x140/0x20c [ 80.341943][ T4074] device_add+0x3f0/0xf90 [ 80.342726][ T4074] hci_conn_add_sysfs+0xbc/0x1c8 [ 80.343578][ T4074] le_conn_complete_evt+0x9bc/0x11e8 [ 80.344491][ T4074] hci_le_meta_evt+0x220/0x304c [ 80.345337][ T4074] hci_event_packet+0xd2c/0x1208 [ 80.346125][ T4074] hci_rx_work+0x1cc/0x868 [ 80.346812][ T4074] process_one_work+0x79c/0x1138 [ 80.347631][ T4074] worker_thread+0x8f4/0x1034 [ 80.348350][ T4074] kthread+0x374/0x454 [ 80.349086][ T4074] ret_from_fork+0x10/0x20 [ 80.350563][ T4074] kobject_add_internal failed for hci4:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 80.351592][ T4076] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:201' [ 80.352556][ T4074] Bluetooth: hci4: failed to register connection device [ 80.354037][ T4076] CPU: 0 PID: 4076 Comm: kworker/u5:2 Not tainted syzkaller #0 [ 80.356436][ T4076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.358142][ T4076] Workqueue: hci0 hci_rx_work [ 80.358915][ T4076] Call trace: [ 80.359414][ T4076] dump_backtrace+0x0/0x458 [ 80.360132][ T4076] show_stack+0x2c/0x3c [ 80.360873][ T4076] __dump_stack+0x30/0x40 [ 80.361618][ T4076] dump_stack_lvl+0xf4/0x15c [ 80.362375][ T4076] dump_stack+0x1c/0x5c [ 80.363099][ T4076] sysfs_create_dir_ns+0x244/0x264 [ 80.363970][ T4076] kobject_add_internal+0x5ac/0xc3c [ 80.364854][ T4076] kobject_add+0x140/0x20c [ 80.365598][ T4076] device_add+0x3f0/0xf90 [ 80.366390][ T4076] hci_conn_add_sysfs+0xbc/0x1c8 [ 80.367243][ T4076] le_conn_complete_evt+0x9bc/0x11e8 [ 80.368191][ T4076] hci_le_meta_evt+0x220/0x304c [ 80.369015][ T4076] hci_event_packet+0xd2c/0x1208 [ 80.369870][ T4076] hci_rx_work+0x1cc/0x868 [ 80.370660][ T4076] process_one_work+0x79c/0x1138 [ 80.371554][ T4076] worker_thread+0x8f4/0x1034 [ 80.372346][ T4076] kthread+0x374/0x454 [ 80.373095][ T4076] ret_from_fork+0x10/0x20 [ 80.374602][ T4076] kobject_add_internal failed for hci0:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 80.376664][ T4076] Bluetooth: hci0: failed to register connection device [ 80.503539][ T4076] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci2/hci2:201' [ 80.505036][ T4076] CPU: 0 PID: 4076 Comm: kworker/u5:2 Not tainted syzkaller #0 [ 80.506263][ T4076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.507880][ T4076] Workqueue: hci2 hci_rx_work [ 80.508564][ T4076] Call trace: [ 80.509048][ T4076] dump_backtrace+0x0/0x458 [ 80.509847][ T4076] show_stack+0x2c/0x3c [ 80.510602][ T4076] __dump_stack+0x30/0x40 [ 80.511332][ T4076] dump_stack_lvl+0xf4/0x15c [ 80.512146][ T4076] dump_stack+0x1c/0x5c [ 80.512933][ T4076] sysfs_create_dir_ns+0x244/0x264 [ 80.513878][ T4076] kobject_add_internal+0x5ac/0xc3c [ 80.514804][ T4076] kobject_add+0x140/0x20c [ 80.515572][ T4076] device_add+0x3f0/0xf90 [ 80.516318][ T4076] hci_conn_add_sysfs+0xbc/0x1c8 [ 80.517149][ T4076] le_conn_complete_evt+0x9bc/0x11e8 [ 80.518026][ T4076] hci_le_meta_evt+0x220/0x304c [ 80.518843][ T4076] hci_event_packet+0xd2c/0x1208 [ 80.519716][ T4076] hci_rx_work+0x1cc/0x868 [ 80.520412][ T4076] process_one_work+0x79c/0x1138 [ 80.521252][ T4076] worker_thread+0x8f4/0x1034 [ 80.522014][ T4076] kthread+0x374/0x454 [ 80.522663][ T4076] ret_from_fork+0x10/0x20 [ 80.524355][ T4076] kobject_add_internal failed for hci2:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 80.526412][ T4076] Bluetooth: hci2: failed to register connection device [ 80.564314][ T4076] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci1/hci1:201' [ 80.566023][ T4076] CPU: 0 PID: 4076 Comm: kworker/u5:2 Not tainted syzkaller #0 [ 80.567370][ T4076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.569118][ T4076] Workqueue: hci1 hci_rx_work [ 80.569918][ T4076] Call trace: [ 80.570496][ T4076] dump_backtrace+0x0/0x458 [ 80.571274][ T4076] show_stack+0x2c/0x3c [ 80.571929][ T4076] __dump_stack+0x30/0x40 [ 80.572648][ T4076] dump_stack_lvl+0xf4/0x15c [ 80.573439][ T4076] dump_stack+0x1c/0x5c [ 80.574144][ T4076] sysfs_create_dir_ns+0x244/0x264 [ 80.574911][ T4076] kobject_add_internal+0x5ac/0xc3c [ 80.575763][ T4076] kobject_add+0x140/0x20c [ 80.576431][ T4076] device_add+0x3f0/0xf90 [ 80.576534][ T4074] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci4/hci4:201' [ 80.577098][ T4076] hci_conn_add_sysfs+0xbc/0x1c8 [ 80.579560][ T4076] le_conn_complete_evt+0x9bc/0x11e8 [ 80.580422][ T4076] hci_le_meta_evt+0x220/0x304c [ 80.581351][ T4076] hci_event_packet+0xd2c/0x1208 [ 80.582146][ T4076] hci_rx_work+0x1cc/0x868 [ 80.582878][ T4076] process_one_work+0x79c/0x1138 [ 80.583652][ T4076] worker_thread+0x8f4/0x1034 [ 80.584414][ T4076] kthread+0x374/0x454 [ 80.585038][ T4076] ret_from_fork+0x10/0x20 [ 80.585751][ T4074] CPU: 1 PID: 4074 Comm: kworker/u5:1 Not tainted syzkaller #0 [ 80.587088][ T4074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.587304][ T4076] kobject_add_internal failed for hci1:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 80.588876][ T4074] Workqueue: hci4 hci_rx_work [ 80.591249][ T4076] Bluetooth: hci1: failed to register connection device [ 80.591982][ T4074] Call trace: [ 80.593680][ T4074] dump_backtrace+0x0/0x458 [ 80.594376][ T4074] show_stack+0x2c/0x3c [ 80.595110][ T4074] __dump_stack+0x30/0x40 [ 80.595860][ T4074] dump_stack_lvl+0xf4/0x15c [ 80.596660][ T4074] dump_stack+0x1c/0x5c [ 80.597414][ T4074] sysfs_create_dir_ns+0x244/0x264 [ 80.598297][ T4074] kobject_add_internal+0x5ac/0xc3c [ 80.599204][ T4074] kobject_add+0x140/0x20c [ 80.600004][ T4074] device_add+0x3f0/0xf90 [ 80.600803][ T4074] hci_conn_add_sysfs+0xbc/0x1c8 [ 80.601650][ T4074] le_conn_complete_evt+0x9bc/0x11e8 [ 80.602594][ T4074] hci_le_meta_evt+0x220/0x304c [ 80.603436][ T4074] hci_event_packet+0xd2c/0x1208 [ 80.604278][ T4074] hci_rx_work+0x1cc/0x868 [ 80.605044][ T4074] process_one_work+0x79c/0x1138 [ 80.605861][ T4074] worker_thread+0x8f4/0x1034 [ 80.606640][ T4074] kthread+0x374/0x454 [ 80.607337][ T4074] ret_from_fork+0x10/0x20 [ 80.609252][ T5573] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 80.610760][ T5573] REISERFS (device loop4): using ordered data mode [ 80.611829][ T5573] reiserfs: using flush barriers [ 80.612937][ T5573] REISERFS warning (device loop4): sh-457 journal_init_dev: journal_init_dev: Cannot open './file2aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa': -2 [ 80.618014][ T5573] REISERFS warning (device loop4): sh-462 journal_init: unable to initialize journal device [ 80.619854][ T5573] REISERFS warning (device loop4): sh-2022 reiserfs_fill_super: unable to initialize journal space [ 80.626958][ T4074] kobject_add_internal failed for hci4:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 80.629005][ T4074] Bluetooth: hci4: failed to register connection device [ 80.655299][ T5582] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 80.656844][ T5582] REISERFS (device loop2): using ordered data mode [ 80.657889][ T5582] reiserfs: using flush barriers [ 80.659065][ T5582] REISERFS warning (device loop2): sh-457 journal_init_dev: journal_init_dev: Cannot open './file2aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa': -2 [ 80.663778][ T5582] REISERFS warning (device loop2): sh-462 journal_init: unable to initialize journal device [ 80.665704][ T5582] REISERFS warning (device loop2): sh-2022 reiserfs_fill_super: unable to initialize journal space [ 80.766370][ T4074] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:201' [ 80.767932][ T4074] CPU: 1 PID: 4074 Comm: kworker/u5:1 Not tainted syzkaller #0 [ 80.769223][ T4074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.770889][ T4074] Workqueue: hci0 hci_rx_work [ 80.771722][ T4074] Call trace: [ 80.772267][ T4074] dump_backtrace+0x0/0x458 [ 80.773053][ T4074] show_stack+0x2c/0x3c [ 80.773753][ T4074] __dump_stack+0x30/0x40 [ 80.774513][ T4074] dump_stack_lvl+0xf4/0x15c [ 80.775269][ T4074] dump_stack+0x1c/0x5c [ 80.775947][ T4074] sysfs_create_dir_ns+0x244/0x264 [ 80.776860][ T4074] kobject_add_internal+0x5ac/0xc3c [ 80.777733][ T4074] kobject_add+0x140/0x20c [ 80.778438][ T4074] device_add+0x3f0/0xf90 [ 80.779146][ T4074] hci_conn_add_sysfs+0xbc/0x1c8 [ 80.779984][ T4074] le_conn_complete_evt+0x9bc/0x11e8 [ 80.780839][ T4074] hci_le_meta_evt+0x220/0x304c [ 80.781610][ T4074] hci_event_packet+0xd2c/0x1208 [ 80.782428][ T4074] hci_rx_work+0x1cc/0x868 [ 80.783175][ T4074] process_one_work+0x79c/0x1138 [ 80.783915][ T4074] worker_thread+0x8f4/0x1034 [ 80.784714][ T4074] kthread+0x374/0x454 [ 80.785356][ T4074] ret_from_fork+0x10/0x20 [ 80.787253][ T4074] kobject_add_internal failed for hci0:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 80.789263][ T4074] Bluetooth: hci0: failed to register connection device [ 80.842890][ T5578] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 80.844463][ T5578] REISERFS (device loop1): using ordered data mode [ 80.845616][ T5578] reiserfs: using flush barriers [ 80.846875][ T5578] REISERFS warning (device loop1): sh-457 journal_init_dev: journal_init_dev: Cannot open './file2aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa': -2 [ 80.851728][ T5578] REISERFS warning (device loop1): sh-462 journal_init: unable to initialize journal device [ 80.853589][ T5578] REISERFS warning (device loop1): sh-2022 reiserfs_fill_super: unable to initialize journal space [ 80.913121][ T4074] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci2/hci2:201' [ 80.918997][ T4074] CPU: 1 PID: 4074 Comm: kworker/u5:1 Not tainted syzkaller #0 [ 80.920076][ T4074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.921707][ T4074] Workqueue: hci2 hci_rx_work [ 80.922548][ T4074] Call trace: [ 80.923174][ T4074] dump_backtrace+0x0/0x458 [ 80.923941][ T4074] show_stack+0x2c/0x3c [ 80.924600][ T4074] __dump_stack+0x30/0x40 [ 80.925310][ T4074] dump_stack_lvl+0xf4/0x15c [ 80.926056][ T4074] dump_stack+0x1c/0x5c [ 80.926764][ T4074] sysfs_create_dir_ns+0x244/0x264 [ 80.927632][ T4074] kobject_add_internal+0x5ac/0xc3c [ 80.928517][ T4074] kobject_add+0x140/0x20c [ 80.929245][ T4074] device_add+0x3f0/0xf90 [ 80.930057][ T4074] hci_conn_add_sysfs+0xbc/0x1c8 [ 80.930928][ T4074] le_conn_complete_evt+0x9bc/0x11e8 [ 80.931804][ T4074] hci_le_meta_evt+0x220/0x304c [ 80.932602][ T4074] hci_event_packet+0xd2c/0x1208 [ 80.933459][ T4074] hci_rx_work+0x1cc/0x868 [ 80.934168][ T4074] process_one_work+0x79c/0x1138 [ 80.934951][ T4074] worker_thread+0x8f4/0x1034 [ 80.935754][ T4074] kthread+0x374/0x454 [ 80.936447][ T4074] ret_from_fork+0x10/0x20 [ 80.958908][ T4074] kobject_add_internal failed for hci2:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 80.961301][ T4074] Bluetooth: hci2: failed to register connection device [ 81.022496][ T4074] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci4/hci4:201' [ 81.024190][ T4074] CPU: 1 PID: 4074 Comm: kworker/u5:1 Not tainted syzkaller #0 [ 81.025450][ T4074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.027207][ T4074] Workqueue: hci4 hci_rx_work [ 81.028064][ T4074] Call trace: [ 81.028620][ T4074] dump_backtrace+0x0/0x458 [ 81.029343][ T4074] show_stack+0x2c/0x3c [ 81.030018][ T4074] __dump_stack+0x30/0x40 [ 81.030750][ T4074] dump_stack_lvl+0xf4/0x15c [ 81.031518][ T4074] dump_stack+0x1c/0x5c [ 81.032234][ T4074] sysfs_create_dir_ns+0x244/0x264 [ 81.033114][ T4074] kobject_add_internal+0x5ac/0xc3c [ 81.033990][ T4074] kobject_add+0x140/0x20c [ 81.034687][ T4074] device_add+0x3f0/0xf90 [ 81.035442][ T4074] hci_conn_add_sysfs+0xbc/0x1c8 [ 81.036284][ T4074] le_conn_complete_evt+0x9bc/0x11e8 [ 81.037259][ T4074] hci_le_meta_evt+0x220/0x304c [ 81.038084][ T4074] hci_event_packet+0xd2c/0x1208 [ 81.038891][ T4074] hci_rx_work+0x1cc/0x868 [ 81.039581][ T4074] process_one_work+0x79c/0x1138 [ 81.040417][ T4074] worker_thread+0x8f4/0x1034 [ 81.041236][ T4074] kthread+0x374/0x454 [ 81.041966][ T4074] ret_from_fork+0x10/0x20 [ 81.043707][ T4074] kobject_add_internal failed for hci4:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 81.045865][ T4074] Bluetooth: hci4: failed to register connection device [ 81.138493][ T4074] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci2/hci2:201' [ 81.140100][ T4074] CPU: 1 PID: 4074 Comm: kworker/u5:1 Not tainted syzkaller #0 [ 81.141346][ T4074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.143003][ T4074] Workqueue: hci2 hci_rx_work [ 81.143741][ T4074] Call trace: [ 81.144262][ T4074] dump_backtrace+0x0/0x458 [ 81.145037][ T4074] show_stack+0x2c/0x3c [ 81.145779][ T4074] __dump_stack+0x30/0x40 [ 81.146490][ T4074] dump_stack_lvl+0xf4/0x15c [ 81.147249][ T4074] dump_stack+0x1c/0x5c [ 81.147946][ T4074] sysfs_create_dir_ns+0x244/0x264 [ 81.148839][ T4074] kobject_add_internal+0x5ac/0xc3c [ 81.149693][ T4074] kobject_add+0x140/0x20c [ 81.150479][ T4074] device_add+0x3f0/0xf90 [ 81.151201][ T4074] hci_conn_add_sysfs+0xbc/0x1c8 [ 81.152058][ T4074] le_conn_complete_evt+0x9bc/0x11e8 [ 81.153026][ T4074] hci_le_meta_evt+0x220/0x304c [ 81.153820][ T4074] hci_event_packet+0xd2c/0x1208 [ 81.154592][ T4074] hci_rx_work+0x1cc/0x868 [ 81.155369][ T4074] process_one_work+0x79c/0x1138 [ 81.156214][ T4074] worker_thread+0x8f4/0x1034 [ 81.156963][ T4074] kthread+0x374/0x454 [ 81.157613][ T4074] ret_from_fork+0x10/0x20 [ 81.158380][ T4074] kobject_add_internal failed for hci2:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 81.160479][ T4074] Bluetooth: hci2: failed to register connection device [ 81.298987][ T4074] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:201' [ 81.300685][ T4074] CPU: 1 PID: 4074 Comm: kworker/u5:1 Not tainted syzkaller #0 [ 81.301889][ T4074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.303508][ T4074] Workqueue: hci0 hci_rx_work [ 81.304252][ T4074] Call trace: [ 81.304741][ T4074] dump_backtrace+0x0/0x458 [ 81.305406][ T4074] show_stack+0x2c/0x3c [ 81.306063][ T4074] __dump_stack+0x30/0x40 [ 81.306788][ T4074] dump_stack_lvl+0xf4/0x15c [ 81.307499][ T4074] dump_stack+0x1c/0x5c [ 81.308130][ T4074] sysfs_create_dir_ns+0x244/0x264 [ 81.308920][ T4074] kobject_add_internal+0x5ac/0xc3c [ 81.309735][ T4074] kobject_add+0x140/0x20c [ 81.310452][ T4074] device_add+0x3f0/0xf90 [ 81.311120][ T4074] hci_conn_add_sysfs+0xbc/0x1c8 [ 81.311891][ T4074] le_conn_complete_evt+0x9bc/0x11e8 [ 81.312705][ T4074] hci_le_meta_evt+0x220/0x304c [ 81.313470][ T4074] hci_event_packet+0xd2c/0x1208 [ 81.314300][ T4074] hci_rx_work+0x1cc/0x868 [ 81.315070][ T4074] process_one_work+0x79c/0x1138 [ 81.315948][ T4074] worker_thread+0x8f4/0x1034 [ 81.316743][ T4074] kthread+0x374/0x454 [ 81.317476][ T4074] ret_from_fork+0x10/0x20 [ 81.318762][ T144] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci1/hci1:201' [ 81.320498][ T144] CPU: 1 PID: 144 Comm: kworker/u5:0 Not tainted syzkaller #0 [ 81.321673][ T144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.323356][ T144] Workqueue: hci1 hci_rx_work [ 81.324160][ T144] Call trace: [ 81.324672][ T144] dump_backtrace+0x0/0x458 [ 81.325382][ T144] show_stack+0x2c/0x3c [ 81.326056][ T144] __dump_stack+0x30/0x40 [ 81.326749][ T144] dump_stack_lvl+0xf4/0x15c [ 81.327544][ T144] dump_stack+0x1c/0x5c [ 81.328234][ T144] sysfs_create_dir_ns+0x244/0x264 [ 81.329052][ T144] kobject_add_internal+0x5ac/0xc3c [ 81.329921][ T144] kobject_add+0x140/0x20c [ 81.330682][ T144] device_add+0x3f0/0xf90 [ 81.331374][ T144] hci_conn_add_sysfs+0xbc/0x1c8 [ 81.332207][ T144] le_conn_complete_evt+0x9bc/0x11e8 [ 81.333115][ T144] hci_le_meta_evt+0x220/0x304c [ 81.333953][ T144] hci_event_packet+0xd2c/0x1208 [ 81.334878][ T144] hci_rx_work+0x1cc/0x868 [ 81.335669][ T144] process_one_work+0x79c/0x1138 [ 81.336520][ T144] worker_thread+0x8f4/0x1034 [ 81.337343][ T144] kthread+0x374/0x454 [ 81.337974][ T144] ret_from_fork+0x10/0x20 [ 81.338768][ T144] kobject_add_internal failed for hci1:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 81.340880][ T4074] kobject_add_internal failed for hci0:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 81.342960][ T4074] Bluetooth: hci0: failed to register connection device [ 81.344202][ T144] Bluetooth: hci1: failed to register connection device [ 81.380163][ T5602] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 81.381652][ T5602] REISERFS (device loop3): using ordered data mode [ 81.382811][ T5602] reiserfs: using flush barriers [ 81.383925][ T5602] REISERFS warning (device loop3): sh-457 journal_init_dev: journal_init_dev: Cannot open './file2aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa': -2 [ 81.388883][ T5602] REISERFS warning (device loop3): sh-462 journal_init: unable to initialize journal device [ 81.390846][ T5602] REISERFS warning (device loop3): sh-2022 reiserfs_fill_super: unable to initialize journal space [ 81.451852][ T4076] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci3/hci3:201' [ 81.453481][ T4076] CPU: 0 PID: 4076 Comm: kworker/u5:2 Not tainted syzkaller #0 [ 81.454701][ T4076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.456405][ T4076] Workqueue: hci3 hci_rx_work [ 81.457273][ T4076] Call trace: [ 81.457838][ T4076] dump_backtrace+0x0/0x458 [ 81.458562][ T4076] show_stack+0x2c/0x3c [ 81.459292][ T4076] __dump_stack+0x30/0x40 [ 81.460010][ T4076] dump_stack_lvl+0xf4/0x15c [ 81.460752][ T4076] dump_stack+0x1c/0x5c [ 81.461441][ T4076] sysfs_create_dir_ns+0x244/0x264 [ 81.462291][ T4076] kobject_add_internal+0x5ac/0xc3c [ 81.463169][ T4076] kobject_add+0x140/0x20c [ 81.463976][ T4076] device_add+0x3f0/0xf90 [ 81.464745][ T4076] hci_conn_add_sysfs+0xbc/0x1c8 [ 81.465589][ T4076] le_conn_complete_evt+0x9bc/0x11e8 [ 81.466483][ T4076] hci_le_meta_evt+0x220/0x304c [ 81.467292][ T4076] hci_event_packet+0xd2c/0x1208 [ 81.468216][ T4076] hci_rx_work+0x1cc/0x868 [ 81.468986][ T4076] process_one_work+0x79c/0x1138 [ 81.469887][ T4076] worker_thread+0x8f4/0x1034 [ 81.470670][ T4076] kthread+0x374/0x454 [ 81.471334][ T4076] ret_from_fork+0x10/0x20 [ 81.473312][ T4076] kobject_add_internal failed for hci3:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 81.475409][ T4076] Bluetooth: hci3: failed to register connection device [ 81.499756][ T5606] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 81.501395][ T5606] REISERFS (device loop2): using ordered data mode [ 81.502359][ T5606] reiserfs: using flush barriers [ 81.503476][ T5606] REISERFS warning (device loop2): sh-457 journal_init_dev: journal_init_dev: Cannot open './file2aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa': -2 [ 81.508577][ T5606] REISERFS warning (device loop2): sh-462 journal_init: unable to initialize journal device [ 81.510573][ T5606] REISERFS warning (device loop2): sh-2022 reiserfs_fill_super: unable to initialize journal space [ 81.519330][ T5610] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 81.520794][ T5610] REISERFS (device loop0): using ordered data mode [ 81.521791][ T5610] reiserfs: using flush barriers [ 81.522837][ T5610] REISERFS warning (device loop0): sh-457 journal_init_dev: journal_init_dev: Cannot open './file2aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa': -2 [ 81.527399][ T5610] REISERFS warning (device loop0): sh-462 journal_init: unable to initialize journal device [ 81.529410][ T5610] REISERFS warning (device loop0): sh-2022 reiserfs_fill_super: unable to initialize journal space [ 81.623404][ T5614] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 81.624841][ T5614] REISERFS (device loop4): using ordered data mode [ 81.625934][ T5614] reiserfs: using flush barriers [ 81.627113][ T5614] REISERFS warning (device loop4): sh-457 journal_init_dev: journal_init_dev: Cannot open './file2aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa': -2 [ 81.632089][ T5614] REISERFS warning (device loop4): sh-462 journal_init: unable to initialize journal device [ 81.634130][ T5614] REISERFS warning (device loop4): sh-2022 reiserfs_fill_super: unable to initialize journal space [ 81.645499][ T4074] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci4/hci4:201' [ 81.647057][ T4074] CPU: 1 PID: 4074 Comm: kworker/u5:1 Not tainted syzkaller #0 [ 81.648250][ T4074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.649803][ T4074] Workqueue: hci4 hci_rx_work [ 81.650595][ T4074] Call trace: [ 81.651159][ T4074] dump_backtrace+0x0/0x458 [ 81.651886][ T4074] show_stack+0x2c/0x3c [ 81.652557][ T4074] __dump_stack+0x30/0x40 [ 81.653248][ T4074] dump_stack_lvl+0xf4/0x15c [ 81.653979][ T4074] dump_stack+0x1c/0x5c [ 81.654653][ T4074] sysfs_create_dir_ns+0x244/0x264 [ 81.655459][ T4074] kobject_add_internal+0x5ac/0xc3c [ 81.656319][ T4074] kobject_add+0x140/0x20c [ 81.657032][ T4074] device_add+0x3f0/0xf90 [ 81.657742][ T4074] hci_conn_add_sysfs+0xbc/0x1c8 [ 81.658495][ T4074] le_conn_complete_evt+0x9bc/0x11e8 [ 81.659366][ T4074] hci_le_meta_evt+0x220/0x304c [ 81.660177][ T4074] hci_event_packet+0xd2c/0x1208 [ 81.661024][ T4074] hci_rx_work+0x1cc/0x868 [ 81.661712][ T4074] process_one_work+0x79c/0x1138 [ 81.662552][ T4074] worker_thread+0x8f4/0x1034 [ 81.663407][ T4074] kthread+0x374/0x454 [ 81.664122][ T4074] ret_from_fork+0x10/0x20 [ 81.666022][ T4074] kobject_add_internal failed for hci4:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 81.668133][ T4074] Bluetooth: hci4: failed to register connection device [ 81.755610][ T4076] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci1/hci1:201' [ 81.757150][ T4076] CPU: 1 PID: 4076 Comm: kworker/u5:2 Not tainted syzkaller #0 [ 81.758379][ T4076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.760115][ T4076] Workqueue: hci1 hci_rx_work [ 81.760917][ T4076] Call trace: [ 81.761410][ T4076] dump_backtrace+0x0/0x458 [ 81.762148][ T4076] show_stack+0x2c/0x3c [ 81.762817][ T4076] __dump_stack+0x30/0x40 [ 81.763578][ T4076] dump_stack_lvl+0xf4/0x15c [ 81.764358][ T4076] dump_stack+0x1c/0x5c [ 81.765035][ T4076] sysfs_create_dir_ns+0x244/0x264 [ 81.765859][ T4076] kobject_add_internal+0x5ac/0xc3c [ 81.766697][ T4076] kobject_add+0x140/0x20c [ 81.767403][ T4076] device_add+0x3f0/0xf90 [ 81.768152][ T4076] hci_conn_add_sysfs+0xbc/0x1c8 [ 81.768927][ T4076] le_conn_complete_evt+0x9bc/0x11e8 [ 81.769791][ T4076] hci_le_meta_evt+0x220/0x304c [ 81.770555][ T4076] hci_event_packet+0xd2c/0x1208 [ 81.771315][ T4076] hci_rx_work+0x1cc/0x868 [ 81.772037][ T4076] process_one_work+0x79c/0x1138 [ 81.772834][ T4076] worker_thread+0x8f4/0x1034 [ 81.773626][ T4076] kthread+0x374/0x454 [ 81.774332][ T4076] ret_from_fork+0x10/0x20 [ 81.776156][ T4076] kobject_add_internal failed for hci1:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 81.778293][ T4076] Bluetooth: hci1: failed to register connection device [ 81.805761][ T5626] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 81.807286][ T5626] REISERFS (device loop3): using ordered data mode [ 81.808294][ T5626] reiserfs: using flush barriers [ 81.809397][ T5626] REISERFS warning (device loop3): sh-457 journal_init_dev: journal_init_dev: Cannot open './file2aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa': -2 [ 81.815052][ T5626] REISERFS warning (device loop3): sh-462 journal_init: unable to initialize journal device [ 81.816967][ T5626] REISERFS warning (device loop3): sh-2022 reiserfs_fill_super: unable to initialize journal space [ 81.981839][ T4076] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci3/hci3:201' [ 81.983421][ T4076] CPU: 1 PID: 4076 Comm: kworker/u5:2 Not tainted syzkaller #0 [ 81.984773][ T4076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.986531][ T4076] Workqueue: hci3 hci_rx_work [ 81.987244][ T5635] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 81.987323][ T4076] Call trace: [ 81.988993][ T5635] REISERFS (device loop1): using ordered data mode [ 81.989456][ T4076] dump_backtrace+0x0/0x458 [ 81.990586][ T5635] reiserfs: using flush barriers [ 81.991238][ T4076] show_stack+0x2c/0x3c [ 81.992453][ T5635] REISERFS warning (device loop1): sh-457 journal_init_dev: journal_init_dev: Cannot open './file2aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa': -2 [ 81.992709][ T4076] __dump_stack+0x30/0x40 [ 81.997590][ T5635] REISERFS warning (device loop1): sh-462 journal_init: unable to initialize journal device [ 81.998338][ T4076] dump_stack_lvl+0xf4/0x15c [ 82.000260][ T5635] REISERFS warning (device loop1): sh-2022 reiserfs_fill_super: unable to initialize journal space [ 82.000818][ T4076] dump_stack+0x1c/0x5c [ 82.003163][ T4076] sysfs_create_dir_ns+0x244/0x264 [ 82.003986][ T4076] kobject_add_internal+0x5ac/0xc3c [ 82.004854][ T4076] kobject_add+0x140/0x20c [ 82.005535][ T4076] device_add+0x3f0/0xf90 [ 82.006206][ T4076] hci_conn_add_sysfs+0xbc/0x1c8 [ 82.006975][ T4076] le_conn_complete_evt+0x9bc/0x11e8 [ 82.007809][ T4076] hci_le_meta_evt+0x220/0x304c [ 82.008591][ T4076] hci_event_packet+0xd2c/0x1208 [ 82.009363][ T4076] hci_rx_work+0x1cc/0x868 [ 82.010102][ T4076] process_one_work+0x79c/0x1138 [ 82.010944][ T4076] worker_thread+0x8f4/0x1034 [ 82.011720][ T4076] kthread+0x374/0x454 [ 82.012368][ T4076] ret_from_fork+0x10/0x20 [ 82.014814][ T4076] kobject_add_internal failed for hci3:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 82.017397][ T4076] Bluetooth: hci3: failed to register connection device 1970/01/01 00:01:22 executed programs: 54 [ 82.146704][ T4076] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:201' [ 82.148091][ T4076] CPU: 1 PID: 4076 Comm: kworker/u5:2 Not tainted syzkaller #0 [ 82.149293][ T4076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.150822][ T4076] Workqueue: hci0 hci_rx_work [ 82.151586][ T4076] Call trace: [ 82.152098][ T4076] dump_backtrace+0x0/0x458 [ 82.152871][ T4076] show_stack+0x2c/0x3c [ 82.153572][ T4076] __dump_stack+0x30/0x40 [ 82.154326][ T4076] dump_stack_lvl+0xf4/0x15c [ 82.155118][ T4076] dump_stack+0x1c/0x5c [ 82.155950][ T4076] sysfs_create_dir_ns+0x244/0x264 [ 82.156837][ T4076] kobject_add_internal+0x5ac/0xc3c [ 82.157757][ T4076] kobject_add+0x140/0x20c [ 82.158587][ T4076] device_add+0x3f0/0xf90 [ 82.159362][ T4076] hci_conn_add_sysfs+0xbc/0x1c8 [ 82.160207][ T4076] le_conn_complete_evt+0x9bc/0x11e8 [ 82.161101][ T4076] hci_le_meta_evt+0x220/0x304c [ 82.161884][ T4076] hci_event_packet+0xd2c/0x1208 [ 82.162721][ T4076] hci_rx_work+0x1cc/0x868 [ 82.163453][ T4076] process_one_work+0x79c/0x1138 [ 82.164277][ T4076] worker_thread+0x8f4/0x1034 [ 82.165030][ T4076] kthread+0x374/0x454 [ 82.165725][ T4076] ret_from_fork+0x10/0x20 [ 82.166913][ T4076] kobject_add_internal failed for hci0:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 82.169005][ T4076] Bluetooth: hci0: failed to register connection device [ 82.170550][ T4076] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci4/hci4:201' [ 82.172114][ T4076] CPU: 1 PID: 4076 Comm: kworker/u5:2 Not tainted syzkaller #0 [ 82.173456][ T4076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.175212][ T4076] Workqueue: hci4 hci_rx_work [ 82.176004][ T4076] Call trace: [ 82.176530][ T4076] dump_backtrace+0x0/0x458 [ 82.177214][ T4076] show_stack+0x2c/0x3c [ 82.177856][ T4076] __dump_stack+0x30/0x40 [ 82.178536][ T4076] dump_stack_lvl+0xf4/0x15c [ 82.179224][ T4076] dump_stack+0x1c/0x5c [ 82.179901][ T4076] sysfs_create_dir_ns+0x244/0x264 [ 82.180774][ T4076] kobject_add_internal+0x5ac/0xc3c [ 82.181695][ T4076] kobject_add+0x140/0x20c [ 82.182436][ T4076] device_add+0x3f0/0xf90 [ 82.183174][ T4076] hci_conn_add_sysfs+0xbc/0x1c8 [ 82.184016][ T4076] le_conn_complete_evt+0x9bc/0x11e8 [ 82.184943][ T4076] hci_le_meta_evt+0x220/0x304c [ 82.185740][ T4076] hci_event_packet+0xd2c/0x1208 [ 82.186564][ T4076] hci_rx_work+0x1cc/0x868 [ 82.187242][ T4076] process_one_work+0x79c/0x1138 [ 82.188079][ T4076] worker_thread+0x8f4/0x1034 [ 82.188862][ T4076] kthread+0x374/0x454 [ 82.189585][ T4076] ret_from_fork+0x10/0x20 [ 82.190464][ T144] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci2/hci2:201' [ 82.192003][ T144] CPU: 1 PID: 144 Comm: kworker/u5:0 Not tainted syzkaller #0 [ 82.193279][ T144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.195043][ T144] Workqueue: hci2 hci_rx_work [ 82.195775][ T144] Call trace: [ 82.196349][ T144] dump_backtrace+0x0/0x458 [ 82.197128][ T144] show_stack+0x2c/0x3c [ 82.197831][ T144] __dump_stack+0x30/0x40 [ 82.198610][ T144] dump_stack_lvl+0xf4/0x15c [ 82.199364][ T144] dump_stack+0x1c/0x5c [ 82.200093][ T144] sysfs_create_dir_ns+0x244/0x264 [ 82.200951][ T144] kobject_add_internal+0x5ac/0xc3c [ 82.201880][ T144] kobject_add+0x140/0x20c [ 82.202647][ T144] device_add+0x3f0/0xf90 [ 82.203375][ T144] hci_conn_add_sysfs+0xbc/0x1c8 [ 82.204274][ T144] le_conn_complete_evt+0x9bc/0x11e8 [ 82.205206][ T144] hci_le_meta_evt+0x220/0x304c [ 82.205998][ T144] hci_event_packet+0xd2c/0x1208 [ 82.206838][ T144] hci_rx_work+0x1cc/0x868 [ 82.207589][ T144] process_one_work+0x79c/0x1138 [ 82.208407][ T144] worker_thread+0x8f4/0x1034 [ 82.209190][ T144] kthread+0x374/0x454 [ 82.209892][ T144] ret_from_fork+0x10/0x20 [ 82.210726][ T144] kobject_add_internal failed for hci2:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 82.212732][ T144] Bluetooth: hci2: failed to register connection device [ 82.214590][ T4076] kobject_add_internal failed for hci4:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 82.215703][ T5653] set_capacity_and_notify: 11 callbacks suppressed [ 82.215711][ T5653] loop2: detected capacity change from 0 to 8192 [ 82.216634][ T4076] Bluetooth: hci4: failed to register connection device [ 82.270863][ T5651] loop0: detected capacity change from 0 to 8192 [ 82.289526][ T4076] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci3/hci3:201' [ 82.291609][ T4076] CPU: 1 PID: 4076 Comm: kworker/u5:2 Not tainted syzkaller #0 [ 82.292760][ T4076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.294449][ T4076] Workqueue: hci3 hci_rx_work [ 82.295284][ T4076] Call trace: [ 82.296110][ T4076] dump_backtrace+0x0/0x458 [ 82.296897][ T4076] show_stack+0x2c/0x3c [ 82.297671][ T4076] __dump_stack+0x30/0x40 [ 82.298460][ T4076] dump_stack_lvl+0xf4/0x15c [ 82.299241][ T4076] dump_stack+0x1c/0x5c [ 82.299945][ T4076] sysfs_create_dir_ns+0x244/0x264 [ 82.300834][ T4076] kobject_add_internal+0x5ac/0xc3c [ 82.301756][ T4076] kobject_add+0x140/0x20c [ 82.302546][ T4076] device_add+0x3f0/0xf90 [ 82.303286][ T4076] hci_conn_add_sysfs+0xbc/0x1c8 [ 82.304124][ T4076] le_conn_complete_evt+0x9bc/0x11e8 [ 82.305012][ T4076] hci_le_meta_evt+0x220/0x304c [ 82.305822][ T4076] hci_event_packet+0xd2c/0x1208 [ 82.306709][ T4076] hci_rx_work+0x1cc/0x868 [ 82.307468][ T4076] process_one_work+0x79c/0x1138 [ 82.308282][ T4076] worker_thread+0x8f4/0x1034 [ 82.309081][ T4076] kthread+0x374/0x454 [ 82.309824][ T4076] ret_from_fork+0x10/0x20 [ 82.311940][ T4076] kobject_add_internal failed for hci3:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 82.314222][ T4076] Bluetooth: hci3: failed to register connection device [ 82.320604][ T5648] loop3: detected capacity change from 0 to 8192 [ 82.333566][ T5655] loop4: detected capacity change from 0 to 8192 [ 82.343203][ T5653] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 82.343235][ T5651] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 82.344750][ T5653] REISERFS (device loop2): using ordered data mode [ 82.346245][ T5651] REISERFS (device loop0): using ordered data mode [ 82.347294][ T5653] reiserfs: using flush barriers [ 82.348301][ T5651] reiserfs: using flush barriers [ 82.349529][ T5653] REISERFS warning (device loop2): sh-457 journal_init_dev: journal_init_dev: Cannot open './file2aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa': -2 [ 82.350407][ T5651] REISERFS warning (device loop0): sh-457 journal_init_dev: journal_init_dev: Cannot open './file2aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa': -2 [ 82.355240][ T5653] REISERFS warning (device loop2): sh-462 journal_init: unable to initialize journal device [ 82.360139][ T5651] REISERFS warning (device loop0): sh-462 journal_init: unable to initialize journal device [ 82.361795][ T5653] REISERFS warning (device loop2): sh-2022 reiserfs_fill_super: unable to initialize journal space [ 82.363433][ T5651] REISERFS warning (device loop0): sh-2022 reiserfs_fill_super: unable to initialize journal space [ 82.443419][ T5655] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 82.444895][ T5655] REISERFS (device loop4): using ordered data mode [ 82.446078][ T5655] reiserfs: using flush barriers [ 82.447328][ T5655] REISERFS warning (device loop4): sh-457 journal_init_dev: journal_init_dev: Cannot open './file2aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa': -2 [ 82.453150][ T5655] REISERFS warning (device loop4): sh-462 journal_init: unable to initialize journal device [ 82.454934][ T5655] REISERFS warning (device loop4): sh-2022 reiserfs_fill_super: unable to initialize journal space [ 82.458915][ T4076] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci1/hci1:201' [ 82.461142][ T4076] CPU: 1 PID: 4076 Comm: kworker/u5:2 Not tainted syzkaller #0 [ 82.462220][ T4076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.463835][ T4076] Workqueue: hci1 hci_rx_work [ 82.464577][ T4076] Call trace: [ 82.465107][ T4076] dump_backtrace+0x0/0x458 [ 82.465890][ T4076] show_stack+0x2c/0x3c [ 82.466608][ T4076] __dump_stack+0x30/0x40 [ 82.467394][ T4076] dump_stack_lvl+0xf4/0x15c [ 82.468141][ T4076] dump_stack+0x1c/0x5c [ 82.468809][ T4076] sysfs_create_dir_ns+0x244/0x264 [ 82.469655][ T4076] kobject_add_internal+0x5ac/0xc3c [ 82.470538][ T4076] kobject_add+0x140/0x20c [ 82.471268][ T4076] device_add+0x3f0/0xf90 [ 82.471991][ T4076] hci_conn_add_sysfs+0xbc/0x1c8 [ 82.472786][ T4076] le_conn_complete_evt+0x9bc/0x11e8 [ 82.473667][ T4076] hci_le_meta_evt+0x220/0x304c [ 82.474499][ T4076] hci_event_packet+0xd2c/0x1208 [ 82.475323][ T4076] hci_rx_work+0x1cc/0x868 [ 82.476110][ T4076] process_one_work+0x79c/0x1138 [ 82.476963][ T4076] worker_thread+0x8f4/0x1034 [ 82.477778][ T4076] kthread+0x374/0x454 [ 82.478479][ T4076] ret_from_fork+0x10/0x20 [ 82.479273][ T4076] kobject_add_internal failed for hci1:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 82.481376][ T4076] Bluetooth: hci1: failed to register connection device [ 82.517349][ T5664] loop1: detected capacity change from 0 to 8192 [ 82.538412][ T5648] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 82.540014][ T5648] REISERFS (device loop3): using ordered data mode [ 82.541163][ T5648] reiserfs: using flush barriers [ 82.542351][ T5648] REISERFS warning (device loop3): sh-457 journal_init_dev: journal_init_dev: Cannot open './file2aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa': -2 [ 82.547227][ T5648] REISERFS warning (device loop3): sh-462 journal_init: unable to initialize journal device [ 82.549168][ T5648] REISERFS warning (device loop3): sh-2022 reiserfs_fill_super: unable to initialize journal space [ 82.592736][ T144] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci2/hci2:201' [ 82.594222][ T144] CPU: 1 PID: 144 Comm: kworker/u5:0 Not tainted syzkaller #0 [ 82.594724][ T5664] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 82.595516][ T144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.597069][ T5664] REISERFS (device loop1): using ordered data mode [ 82.598596][ T144] Workqueue: hci2 hci_rx_work [ 82.599721][ T5664] reiserfs: using flush barriers [ 82.600507][ T144] Call trace: [ 82.600514][ T144] dump_backtrace+0x0/0x458 [ 82.600530][ T144] show_stack+0x2c/0x3c [ 82.601711][ T5664] REISERFS warning (device loop1): sh-457 journal_init_dev: journal_init_dev: Cannot open './file2aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa': -2 [ 82.601896][ T144] __dump_stack+0x30/0x40 [ 82.602621][ T5664] REISERFS warning (device loop1): sh-462 journal_init: unable to initialize journal device [ 82.603300][ T144] dump_stack_lvl+0xf4/0x15c [ 82.608376][ T5664] REISERFS warning (device loop1): sh-2022 reiserfs_fill_super: unable to initialize journal space [ 82.608956][ T144] dump_stack+0x1c/0x5c [ 82.614044][ T144] sysfs_create_dir_ns+0x244/0x264 [ 82.614919][ T144] kobject_add_internal+0x5ac/0xc3c [ 82.615816][ T144] kobject_add+0x140/0x20c [ 82.616547][ T144] device_add+0x3f0/0xf90 [ 82.617319][ T144] hci_conn_add_sysfs+0xbc/0x1c8 [ 82.618180][ T144] le_conn_complete_evt+0x9bc/0x11e8 [ 82.619111][ T144] hci_le_meta_evt+0x220/0x304c [ 82.619970][ T144] hci_event_packet+0xd2c/0x1208 [ 82.620778][ T144] hci_rx_work+0x1cc/0x868 [ 82.621533][ T144] process_one_work+0x79c/0x1138 [ 82.622422][ T144] worker_thread+0x8f4/0x1034 [ 82.623240][ T144] kthread+0x374/0x454 [ 82.623903][ T144] ret_from_fork+0x10/0x20 [ 82.624974][ T144] kobject_add_internal failed for hci2:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 82.627209][ T144] Bluetooth: hci2: failed to register connection device [ 82.697321][ T5677] loop2: detected capacity change from 0 to 8192 [ 82.781487][ T148] device hsr_slave_0 left promiscuous mode [ 82.799337][ T144] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci4/hci4:201' [ 82.801193][ T144] CPU: 1 PID: 144 Comm: kworker/u5:0 Not tainted syzkaller #0 [ 82.802307][ T144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.803968][ T144] Workqueue: hci4 hci_rx_work [ 82.804736][ T144] Call trace: [ 82.805249][ T144] dump_backtrace+0x0/0x458 [ 82.806032][ T144] show_stack+0x2c/0x3c [ 82.806769][ T144] __dump_stack+0x30/0x40 [ 82.807462][ T144] dump_stack_lvl+0xf4/0x15c [ 82.808176][ T144] dump_stack+0x1c/0x5c [ 82.808959][ T144] sysfs_create_dir_ns+0x244/0x264 [ 82.809843][ T144] kobject_add_internal+0x5ac/0xc3c [ 82.810746][ T144] kobject_add+0x140/0x20c [ 82.811471][ T144] device_add+0x3f0/0xf90 [ 82.812253][ T144] hci_conn_add_sysfs+0xbc/0x1c8 [ 82.813008][ T144] le_conn_complete_evt+0x9bc/0x11e8 [ 82.813866][ T144] hci_le_meta_evt+0x220/0x304c [ 82.814641][ T144] hci_event_packet+0xd2c/0x1208 [ 82.815565][ T144] hci_rx_work+0x1cc/0x868 [ 82.816362][ T144] process_one_work+0x79c/0x1138 [ 82.817218][ T144] worker_thread+0x8f4/0x1034 [ 82.818101][ T144] kthread+0x374/0x454 [ 82.818796][ T144] ret_from_fork+0x10/0x20 [ 82.822844][ T144] kobject_add_internal failed for hci4:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 82.824850][ T144] Bluetooth: hci4: failed to register connection device [ 82.837656][ T144] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:201' [ 82.839190][ T144] CPU: 1 PID: 144 Comm: kworker/u5:0 Not tainted syzkaller #0 [ 82.840408][ T144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.840432][ T5677] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 82.842065][ T144] Workqueue: hci0 hci_rx_work [ 82.843623][ T5677] REISERFS (device loop2): using ordered data mode [ 82.844328][ T144] Call trace: [ 82.845398][ T5677] reiserfs: using flush barriers [ 82.845945][ T144] dump_backtrace+0x0/0x458 [ 82.847173][ T5677] REISERFS warning (device loop2): sh-457 journal_init_dev: journal_init_dev: Cannot open './file2aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa': -2 [ 82.847556][ T144] show_stack+0x2c/0x3c [ 82.852337][ T5677] REISERFS warning (device loop2): sh-462 journal_init: unable to initialize journal device [ 82.852915][ T144] __dump_stack+0x30/0x40 [ 82.854760][ T5677] REISERFS warning (device loop2): sh-2022 reiserfs_fill_super: unable to initialize journal space [ 82.855231][ T144] dump_stack_lvl+0xf4/0x15c [ 82.857583][ T144] dump_stack+0x1c/0x5c [ 82.858244][ T144] sysfs_create_dir_ns+0x244/0x264 [ 82.859034][ T144] kobject_add_internal+0x5ac/0xc3c [ 82.859832][ T144] kobject_add+0x140/0x20c [ 82.860532][ T144] device_add+0x3f0/0xf90 [ 82.861202][ T144] hci_conn_add_sysfs+0xbc/0x1c8 [ 82.861984][ T144] le_conn_complete_evt+0x9bc/0x11e8 [ 82.862839][ T144] hci_le_meta_evt+0x220/0x304c [ 82.863702][ T144] hci_event_packet+0xd2c/0x1208 [ 82.864533][ T144] hci_rx_work+0x1cc/0x868 [ 82.865272][ T144] process_one_work+0x79c/0x1138 [ 82.866122][ T144] worker_thread+0x8f4/0x1034 [ 82.866912][ T144] kthread+0x374/0x454 [ 82.867621][ T144] ret_from_fork+0x10/0x20 [ 82.870484][ T144] kobject_add_internal failed for hci0:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 82.872567][ T144] Bluetooth: hci0: failed to register connection device [ 82.906952][ T5683] loop0: detected capacity change from 0 to 8192 [ 82.919140][ T148] device hsr_slave_1 left promiscuous mode [ 82.923496][ T5683] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 82.924909][ T5683] REISERFS (device loop0): using ordered data mode [ 82.926033][ T5683] reiserfs: using flush barriers [ 82.927204][ T5683] REISERFS warning (device loop0): sh-457 journal_init_dev: journal_init_dev: Cannot open './file2aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa': -2 [ 82.932141][ T5683] REISERFS warning (device loop0): sh-462 journal_init: unable to initialize journal device [ 82.934081][ T5683] REISERFS warning (device loop0): sh-2022 reiserfs_fill_super: unable to initialize journal space [ 83.028102][ T144] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci3/hci3:201' [ 83.029570][ T144] CPU: 1 PID: 144 Comm: kworker/u5:0 Not tainted syzkaller #0 [ 83.030867][ T144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.032639][ T144] Workqueue: hci3 hci_rx_work [ 83.033510][ T144] Call trace: [ 83.034122][ T144] dump_backtrace+0x0/0x458 [ 83.034910][ T144] show_stack+0x2c/0x3c [ 83.035605][ T144] __dump_stack+0x30/0x40 [ 83.036283][ T144] dump_stack_lvl+0xf4/0x15c [ 83.037039][ T144] dump_stack+0x1c/0x5c [ 83.037757][ T144] sysfs_create_dir_ns+0x244/0x264 [ 83.038621][ T144] kobject_add_internal+0x5ac/0xc3c [ 83.039504][ T144] kobject_add+0x140/0x20c [ 83.040226][ T144] device_add+0x3f0/0xf90 [ 83.041028][ T144] hci_conn_add_sysfs+0xbc/0x1c8 [ 83.041867][ T144] le_conn_complete_evt+0x9bc/0x11e8 [ 83.042758][ T144] hci_le_meta_evt+0x220/0x304c [ 83.043605][ T144] hci_event_packet+0xd2c/0x1208 [ 83.044523][ T144] hci_rx_work+0x1cc/0x868 [ 83.045237][ T144] process_one_work+0x79c/0x1138 [ 83.046089][ T144] worker_thread+0x8f4/0x1034 [ 83.046870][ T144] kthread+0x374/0x454 [ 83.047536][ T144] ret_from_fork+0x10/0x20 [ 83.049123][ T144] kobject_add_internal failed for hci3:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 83.051508][ T144] Bluetooth: hci3: failed to register connection device [ 83.053811][ T144] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci4/hci4:201' [ 83.055232][ T144] CPU: 1 PID: 144 Comm: kworker/u5:0 Not tainted syzkaller #0 [ 83.056487][ T144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.058143][ T144] Workqueue: hci4 hci_rx_work [ 83.058965][ T144] Call trace: [ 83.059473][ T144] dump_backtrace+0x0/0x458 [ 83.060297][ T144] show_stack+0x2c/0x3c [ 83.060984][ T144] __dump_stack+0x30/0x40 [ 83.061736][ T144] dump_stack_lvl+0xf4/0x15c [ 83.062482][ T144] dump_stack+0x1c/0x5c [ 83.063161][ T144] sysfs_create_dir_ns+0x244/0x264 [ 83.064067][ T144] kobject_add_internal+0x5ac/0xc3c [ 83.064958][ T144] kobject_add+0x140/0x20c [ 83.065711][ T144] device_add+0x3f0/0xf90 [ 83.066445][ T144] hci_conn_add_sysfs+0xbc/0x1c8 [ 83.067298][ T144] le_conn_complete_evt+0x9bc/0x11e8 [ 83.068172][ T144] hci_le_meta_evt+0x220/0x304c [ 83.068965][ T144] hci_event_packet+0xd2c/0x1208 [ 83.069799][ T144] hci_rx_work+0x1cc/0x868 [ 83.070494][ T144] process_one_work+0x79c/0x1138 [ 83.071349][ T144] worker_thread+0x8f4/0x1034 [ 83.072123][ T144] kthread+0x374/0x454 [ 83.072822][ T144] ret_from_fork+0x10/0x20 [ 83.074086][ T144] kobject_add_internal failed for hci4:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 83.076257][ T144] Bluetooth: hci4: failed to register connection device [ 83.083151][ T144] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci1/hci1:201' [ 83.084552][ T144] CPU: 1 PID: 144 Comm: kworker/u5:0 Not tainted syzkaller #0 [ 83.085676][ T144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.087345][ T144] Workqueue: hci1 hci_rx_work [ 83.088088][ T144] Call trace: [ 83.088628][ T144] dump_backtrace+0x0/0x458 [ 83.089376][ T144] show_stack+0x2c/0x3c [ 83.090047][ T144] __dump_stack+0x30/0x40 [ 83.090785][ T144] dump_stack_lvl+0xf4/0x15c [ 83.091569][ T144] dump_stack+0x1c/0x5c [ 83.092201][ T144] sysfs_create_dir_ns+0x244/0x264 [ 83.093125][ T144] kobject_add_internal+0x5ac/0xc3c [ 83.093985][ T144] kobject_add+0x140/0x20c [ 83.094670][ T144] device_add+0x3f0/0xf90 [ 83.095333][ T144] hci_conn_add_sysfs+0xbc/0x1c8 [ 83.096203][ T144] le_conn_complete_evt+0x9bc/0x11e8 [ 83.097054][ T144] hci_le_meta_evt+0x220/0x304c [ 83.097852][ T144] hci_event_packet+0xd2c/0x1208 [ 83.098683][ T144] hci_rx_work+0x1cc/0x868 [ 83.099408][ T144] process_one_work+0x79c/0x1138 [ 83.100220][ T144] worker_thread+0x8f4/0x1034 [ 83.100992][ T144] kthread+0x374/0x454 [ 83.101669][ T144] ret_from_fork+0x10/0x20 [ 83.102652][ T144] kobject_add_internal failed for hci1:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 83.104726][ T144] Bluetooth: hci1: failed to register connection device [ 83.113481][ T148] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 83.114683][ T148] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 83.116721][ T148] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 83.117941][ T148] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 83.124743][ T148] device bridge_slave_1 left promiscuous mode [ 83.125778][ T148] bridge0: port 2(bridge_slave_1) entered disabled state [ 83.204008][ T144] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci2/hci2:201' [ 83.205740][ T144] CPU: 1 PID: 144 Comm: kworker/u5:0 Not tainted syzkaller #0 [ 83.206850][ T144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.208593][ T144] Workqueue: hci2 hci_rx_work [ 83.209377][ T144] Call trace: [ 83.209919][ T144] dump_backtrace+0x0/0x458 [ 83.210682][ T144] show_stack+0x2c/0x3c [ 83.210869][ T148] device bridge_slave_0 left promiscuous mode [ 83.211451][ T144] __dump_stack+0x30/0x40 [ 83.212764][ T148] bridge0: port 1(bridge_slave_0) entered disabled state [ 83.213173][ T144] dump_stack_lvl+0xf4/0x15c [ 83.213190][ T144] dump_stack+0x1c/0x5c [ 83.215869][ T144] sysfs_create_dir_ns+0x244/0x264 [ 83.216694][ T144] kobject_add_internal+0x5ac/0xc3c [ 83.217583][ T144] kobject_add+0x140/0x20c [ 83.218330][ T144] device_add+0x3f0/0xf90 [ 83.219042][ T144] hci_conn_add_sysfs+0xbc/0x1c8 [ 83.219807][ T144] le_conn_complete_evt+0x9bc/0x11e8 [ 83.220736][ T144] hci_le_meta_evt+0x220/0x304c [ 83.221556][ T144] hci_event_packet+0xd2c/0x1208 [ 83.222404][ T144] hci_rx_work+0x1cc/0x868 [ 83.223180][ T144] process_one_work+0x79c/0x1138 [ 83.223962][ T144] worker_thread+0x8f4/0x1034 [ 83.224760][ T144] kthread+0x374/0x454 [ 83.225453][ T144] ret_from_fork+0x10/0x20 [ 83.226435][ T144] kobject_add_internal failed for hci2:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 83.228634][ T144] Bluetooth: hci2: failed to register connection device [ 83.230899][ T144] ================================================================== [ 83.232128][ T144] BUG: KASAN: use-after-free in l2cap_sock_new_connection_cb+0x224/0x300 [ 83.233326][ T144] Read of size 8 at addr ffff0000dadf0550 by task kworker/u5:0/144 [ 83.234630][ T144] [ 83.235017][ T144] CPU: 1 PID: 144 Comm: kworker/u5:0 Not tainted syzkaller #0 [ 83.236288][ T144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.237854][ T144] Workqueue: hci2 hci_rx_work [ 83.238609][ T144] Call trace: [ 83.239141][ T144] dump_backtrace+0x0/0x458 [ 83.239846][ T144] show_stack+0x2c/0x3c [ 83.240527][ T144] __dump_stack+0x30/0x40 [ 83.241232][ T144] dump_stack_lvl+0xf4/0x15c [ 83.241968][ T144] print_address_description+0x78/0x30c [ 83.242847][ T144] kasan_report+0xec/0x158 [ 83.243542][ T144] __asan_report_load8_noabort+0x44/0x50 [ 83.244443][ T144] l2cap_sock_new_connection_cb+0x224/0x300 [ 83.245406][ T144] l2cap_connect_cfm+0x2d4/0xd68 [ 83.246198][ T144] le_conn_complete_evt+0xa94/0x11e8 [ 83.247012][ T144] hci_le_meta_evt+0x220/0x304c [ 83.247773][ T144] hci_event_packet+0xd2c/0x1208 [ 83.248570][ T144] hci_rx_work+0x1cc/0x868 [ 83.249220][ T144] process_one_work+0x79c/0x1138 [ 83.250009][ T144] worker_thread+0x8f4/0x1034 [ 83.250811][ T144] kthread+0x374/0x454 [ 83.251509][ T144] ret_from_fork+0x10/0x20 [ 83.252229][ T144] [ 83.252583][ T144] Allocated by task 144: [ 83.253262][ T144] __kasan_kmalloc+0xb0/0xf0 [ 83.254001][ T144] __kmalloc+0x290/0x43c [ 83.254681][ T144] sk_prot_alloc+0xc4/0x1ec [ 83.255480][ T144] sk_alloc+0x40/0x384 [ 83.256172][ T144] l2cap_sock_new_connection_cb+0xe0/0x300 [ 83.257133][ T144] l2cap_connect_cfm+0x2d4/0xd68 [ 83.257942][ T144] le_conn_complete_evt+0xa94/0x11e8 [ 83.258818][ T144] hci_le_meta_evt+0x220/0x304c [ 83.259582][ T144] hci_event_packet+0xd2c/0x1208 [ 83.260365][ T144] hci_rx_work+0x1cc/0x868 [ 83.261024][ T144] process_one_work+0x79c/0x1138 [ 83.261771][ T144] worker_thread+0x8f4/0x1034 [ 83.262518][ T144] kthread+0x374/0x454 [ 83.263144][ T144] ret_from_fork+0x10/0x20 [ 83.263822][ T144] [ 83.264176][ T144] Freed by task 5693: [ 83.264777][ T144] kasan_set_track+0x4c/0x84 [ 83.265453][ T144] kasan_set_free_info+0x28/0x4c [ 83.266191][ T144] ____kasan_slab_free+0x118/0x164 [ 83.266995][ T144] __kasan_slab_free+0x18/0x28 [ 83.267724][ T144] slab_free_freelist_hook+0x128/0x1e4 [ 83.268586][ T144] kfree+0x16c/0x400 [ 83.269209][ T144] __sk_destruct+0x43c/0x610 [ 83.269933][ T144] __sk_free+0x320/0x430 [ 83.270644][ T144] sk_free+0x68/0xd4 [ 83.271324][ T144] l2cap_sock_kill+0x114/0x21c [ 83.272051][ T144] l2cap_sock_cleanup_listen+0xf4/0x284 [ 83.272930][ T144] l2cap_sock_release+0x68/0x1bc [ 83.273695][ T144] sock_close+0xb4/0x1f8 [ 83.274401][ T144] __fput+0x1c0/0x7e8 [ 83.275045][ T144] ____fput+0x20/0x30 [ 83.275681][ T144] task_work_run+0x12c/0x1d8 [ 83.276451][ T144] do_notify_resume+0x2450/0x309c [ 83.277260][ T144] el0_svc+0xf0/0x1d0 [ 83.277936][ T144] el0t_64_sync_handler+0xcc/0xe4 [ 83.278761][ T144] el0t_64_sync+0x1a0/0x1a4 [ 83.279510][ T144] [ 83.279892][ T144] The buggy address belongs to the object at ffff0000dadf0000 [ 83.279892][ T144] which belongs to the cache kmalloc-2k of size 2048 [ 83.282189][ T144] The buggy address is located 1360 bytes inside of [ 83.282189][ T144] 2048-byte region [ffff0000dadf0000, ffff0000dadf0800) [ 83.284374][ T144] The buggy address belongs to the page: [ 83.285275][ T144] page:000000007f2ab165 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x11adf0 [ 83.286893][ T144] head:000000007f2ab165 order:3 compound_mapcount:0 compound_pincount:0 [ 83.288374][ T144] flags: 0x5ffc00000010200(slab|head|node=0|zone=2|lastcpupid=0x7ff) [ 83.289732][ T144] raw: 05ffc00000010200 fffffc000343c400 0000000200000002 ffff0000c0002900 [ 83.291168][ T144] raw: 0000000000000000 0000000000080008 00000001ffffffff 0000000000000000 [ 83.292519][ T144] page dumped because: kasan: bad access detected [ 83.293549][ T144] [ 83.293914][ T144] Memory state around the buggy address: [ 83.294786][ T144] ffff0000dadf0400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 83.296065][ T144] ffff0000dadf0480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 83.297330][ T144] >ffff0000dadf0500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 83.298569][ T144] ^ [ 83.299695][ T144] ffff0000dadf0580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 83.301076][ T144] ffff0000dadf0600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 83.302314][ T144] ================================================================== [ 83.303692][ T144] Disabling lock debugging due to kernel taint [ 83.305258][ T144] ------------[ cut here ]------------ [ 83.306156][ T144] refcount_t: addition on 0; use-after-free. [ 83.307144][ T144] WARNING: CPU: 1 PID: 144 at lib/refcount.c:25 refcount_warn_saturate+0x134/0x1f8 [ 83.308599][ T144] Modules linked in: [ 83.309263][ T144] CPU: 1 PID: 144 Comm: kworker/u5:0 Tainted: G B syzkaller #0 [ 83.310724][ T144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.312485][ T144] Workqueue: hci2 hci_rx_work [ 83.313284][ T144] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 83.314666][ T144] pc : refcount_warn_saturate+0x134/0x1f8 [ 83.315616][ T144] lr : refcount_warn_saturate+0x134/0x1f8 [ 83.316603][ T144] sp : ffff80001bee7480 [ 83.317311][ T144] x29: ffff80001bee7480 x28: dfff800000000000 x27: 0000000000000000 [ 83.318709][ T144] x26: 1fffe0001a1e2e07 x25: 1fffe00019202a00 x24: dfff800000000000 [ 83.320159][ T144] x23: ffff0000d0b06021 x22: 00000000ffffffff x21: ffff0000d0f1703f [ 83.321609][ T144] x20: ffff0000d0f17018 x19: ffff8000166e2000 x18: 0000000000000001 [ 83.323049][ T144] x17: 0000000000000000 x16: ffff800008304af8 x15: 00000000ffffffff [ 83.324357][ T144] x14: 0000000000000001 x13: 1ffff000037dcdb0 x12: 0000000000ff0100 [ 83.325689][ T144] x11: 0000000000000000 x10: 0000000000000000 x9 : 785ca6340a069d00 [ 83.327107][ T144] x8 : 785ca6340a069d00 x7 : 0000000000000001 x6 : 0000000000000001 [ 83.328622][ T144] x5 : ffff80001bee6d98 x4 : ffff80001437f3e0 x3 : ffff800008304c08 [ 83.329917][ T144] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 000000000000002a [ 83.331289][ T144] Call trace: [ 83.331865][ T144] refcount_warn_saturate+0x134/0x1f8 [ 83.332750][ T144] l2cap_chan_hold+0xa4/0x130 [ 83.333576][ T144] __l2cap_chan_add+0x278/0x6d4 [ 83.334367][ T144] l2cap_connect_cfm+0x380/0xd68 [ 83.335232][ T144] le_conn_complete_evt+0xa94/0x11e8 [ 83.336087][ T144] hci_le_meta_evt+0x220/0x304c [ 83.336856][ T144] hci_event_packet+0xd2c/0x1208 [ 83.337677][ T144] hci_rx_work+0x1cc/0x868 [ 83.338422][ T144] process_one_work+0x79c/0x1138 [ 83.339300][ T144] worker_thread+0x8f4/0x1034 [ 83.340078][ T144] kthread+0x374/0x454 [ 83.340721][ T144] ret_from_fork+0x10/0x20 [ 83.341471][ T144] irq event stamp: 6556 [ 83.342126][ T144] hardirqs last enabled at (6555): [] finish_lock_switch+0xb0/0x1c4 [ 83.343769][ T144] hardirqs last disabled at (6556): [] _raw_spin_lock_irqsave+0xfc/0x148 [ 83.345390][ T144] softirqs last enabled at (6552): [] release_sock+0x1d0/0x258 [ 83.346980][ T144] softirqs last disabled at (6548): [] release_sock+0x34/0x258 [ 83.348439][ T144] ---[ end trace 3c5b07753b142774 ]--- [ 83.350043][ T4076] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:201' [ 83.351502][ T4076] CPU: 1 PID: 4076 Comm: kworker/u5:2 Tainted: G B W syzkaller #0 [ 83.353045][ T4076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.354584][ T4076] Workqueue: hci0 hci_rx_work [ 83.355296][ T4076] Call trace: [ 83.355836][ T4076] dump_backtrace+0x0/0x458 [ 83.356555][ T4076] show_stack+0x2c/0x3c [ 83.357222][ T4076] __dump_stack+0x30/0x40 [ 83.357945][ T4076] dump_stack_lvl+0xf4/0x15c [ 83.358640][ T4076] dump_stack+0x1c/0x5c [ 83.359294][ T4076] sysfs_create_dir_ns+0x244/0x264 [ 83.360154][ T4076] kobject_add_internal+0x5ac/0xc3c [ 83.361019][ T4076] kobject_add+0x140/0x20c [ 83.361784][ T4076] device_add+0x3f0/0xf90 [ 83.362631][ T4076] hci_conn_add_sysfs+0xbc/0x1c8 [ 83.363464][ T4076] le_conn_complete_evt+0x9bc/0x11e8 [ 83.364392][ T4076] hci_le_meta_evt+0x220/0x304c [ 83.365245][ T4076] hci_event_packet+0xd2c/0x1208 [ 83.366117][ T4076] hci_rx_work+0x1cc/0x868 [ 83.366858][ T4076] process_one_work+0x79c/0x1138 [ 83.367688][ T4076] worker_thread+0x8f4/0x1034 [ 83.368482][ T4076] kthread+0x374/0x454 [ 83.369142][ T4076] ret_from_fork+0x10/0x20 [ 83.370611][ T4076] kobject_add_internal failed for hci0:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 83.372712][ T4076] Bluetooth: hci0: failed to register connection device [ 83.458984][ T144] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci3/hci3:201' [ 83.460996][ T144] CPU: 1 PID: 144 Comm: kworker/u5:0 Tainted: G B W syzkaller #0 [ 83.462374][ T144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.464175][ T144] Workqueue: hci3 hci_rx_work [ 83.464936][ T144] Call trace: [ 83.465473][ T144] dump_backtrace+0x0/0x458 [ 83.466214][ T144] show_stack+0x2c/0x3c [ 83.466921][ T144] __dump_stack+0x30/0x40 [ 83.467635][ T144] dump_stack_lvl+0xf4/0x15c [ 83.468365][ T144] dump_stack+0x1c/0x5c [ 83.469039][ T144] sysfs_create_dir_ns+0x244/0x264 [ 83.469947][ T144] kobject_add_internal+0x5ac/0xc3c [ 83.470761][ T144] kobject_add+0x140/0x20c [ 83.471457][ T144] device_add+0x3f0/0xf90 [ 83.472134][ T144] hci_conn_add_sysfs+0xbc/0x1c8 [ 83.472918][ T144] le_conn_complete_evt+0x9bc/0x11e8 [ 83.473827][ T144] hci_le_meta_evt+0x220/0x304c [ 83.474632][ T144] hci_event_packet+0xd2c/0x1208 [ 83.475461][ T144] hci_rx_work+0x1cc/0x868 [ 83.476233][ T144] process_one_work+0x79c/0x1138 [ 83.477109][ T144] worker_thread+0x8f4/0x1034 [ 83.477920][ T144] kthread+0x374/0x454 [ 83.478656][ T144] ret_from_fork+0x10/0x20 [ 83.480123][ T4076] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci1/hci1:201' [ 83.481562][ T4076] CPU: 0 PID: 4076 Comm: kworker/u5:2 Tainted: G B W syzkaller #0 [ 83.482957][ T4076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.484544][ T4076] Workqueue: hci1 hci_rx_work [ 83.485322][ T4076] Call trace: [ 83.485788][ T144] kobject_add_internal failed for hci3:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 83.485800][ T4076] dump_backtrace+0x0/0x458 [ 83.488126][ T144] Bluetooth: hci3: failed to register connection device [ 83.488741][ T4076] show_stack+0x2c/0x3c [ 83.490594][ T4076] __dump_stack+0x30/0x40 [ 83.491293][ T4076] dump_stack_lvl+0xf4/0x15c [ 83.492062][ T4076] dump_stack+0x1c/0x5c [ 83.492713][ T4076] sysfs_create_dir_ns+0x244/0x264 [ 83.493640][ T4076] kobject_add_internal+0x5ac/0xc3c [ 83.494555][ T4076] kobject_add+0x140/0x20c [ 83.495319][ T4076] device_add+0x3f0/0xf90 [ 83.496111][ T4076] hci_conn_add_sysfs+0xbc/0x1c8 [ 83.496902][ T4076] le_conn_complete_evt+0x9bc/0x11e8 [ 83.497764][ T4076] hci_le_meta_evt+0x220/0x304c [ 83.498544][ T4076] hci_event_packet+0xd2c/0x1208 [ 83.499368][ T4076] hci_rx_work+0x1cc/0x868 [ 83.500088][ T4076] process_one_work+0x79c/0x1138 [ 83.500901][ T4076] worker_thread+0x8f4/0x1034 [ 83.501748][ T4076] kthread+0x374/0x454 [ 83.502410][ T4076] ret_from_fork+0x10/0x20 [ 83.503362][ T4076] kobject_add_internal failed for hci1:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 83.505638][ T4076] Bluetooth: hci1: failed to register connection device [ 83.526218][ T5698] loop4: detected capacity change from 0 to 8192 [ 83.565204][ T4074] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci4/hci4:201' [ 83.566771][ T4074] CPU: 0 PID: 4074 Comm: kworker/u5:1 Tainted: G B W syzkaller #0 [ 83.568315][ T4074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.570057][ T4074] Workqueue: hci4 hci_rx_work [ 83.570925][ T4074] Call trace: [ 83.571441][ T4074] dump_backtrace+0x0/0x458 [ 83.572231][ T4074] show_stack+0x2c/0x3c [ 83.573005][ T4074] __dump_stack+0x30/0x40 [ 83.573735][ T4074] dump_stack_lvl+0xf4/0x15c [ 83.574512][ T4074] dump_stack+0x1c/0x5c [ 83.575216][ T4074] sysfs_create_dir_ns+0x244/0x264 [ 83.576080][ T4074] kobject_add_internal+0x5ac/0xc3c [ 83.576934][ T4074] kobject_add+0x140/0x20c [ 83.577635][ T4074] device_add+0x3f0/0xf90 [ 83.578373][ T4074] hci_conn_add_sysfs+0xbc/0x1c8 [ 83.579163][ T4074] le_conn_complete_evt+0x9bc/0x11e8 [ 83.580011][ T4074] hci_le_meta_evt+0x220/0x304c [ 83.580828][ T4074] hci_event_packet+0xd2c/0x1208 [ 83.581620][ T4074] hci_rx_work+0x1cc/0x868 [ 83.582331][ T4074] process_one_work+0x79c/0x1138 [ 83.583176][ T4074] worker_thread+0x8f4/0x1034 [ 83.584033][ T4074] kthread+0x374/0x454 [ 83.584727][ T4074] ret_from_fork+0x10/0x20 [ 83.585970][ T5698] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 83.587524][ T5698] REISERFS (device loop4): using ordered data mode [ 83.588596][ T5698] reiserfs: using flush barriers [ 83.589754][ T5698] REISERFS warning (device loop4): sh-457 journal_init_dev: journal_init_dev: Cannot open './file2aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa': -2 [ 83.594664][ T5698] REISERFS warning (device loop4): sh-462 journal_init: unable to initialize journal device [ 83.596483][ T5698] REISERFS warning (device loop4): sh-2022 reiserfs_fill_super: unable to initialize journal space [ 83.598349][ T148] device veth1_macvtap left promiscuous mode [ 83.599490][ T148] device veth0_macvtap left promiscuous mode [ 83.600836][ T4076] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:201' [ 83.602330][ T4076] CPU: 0 PID: 4076 Comm: kworker/u5:2 Tainted: G B W syzkaller #0 [ 83.603851][ T4076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.605507][ T4076] Workqueue: hci0 hci_rx_work [ 83.606324][ T4076] Call trace: [ 83.606907][ T4076] dump_backtrace+0x0/0x458 [ 83.607710][ T4076] show_stack+0x2c/0x3c [ 83.608425][ T4076] __dump_stack+0x30/0x40 [ 83.609132][ T4076] dump_stack_lvl+0xf4/0x15c [ 83.609917][ T4076] dump_stack+0x1c/0x5c [ 83.610347][ T148] device veth1_vlan left promiscuous mode [ 83.610639][ T4076] sysfs_create_dir_ns+0x244/0x264 [ 83.611651][ T148] device veth0_vlan left promiscuous mode [ 83.612461][ T4076] kobject_add_internal+0x5ac/0xc3c [ 83.614304][ T4076] kobject_add+0x140/0x20c [ 83.615083][ T4076] device_add+0x3f0/0xf90 [ 83.615817][ T4076] hci_conn_add_sysfs+0xbc/0x1c8 [ 83.616650][ T4076] le_conn_complete_evt+0x9bc/0x11e8 [ 83.617550][ T4076] hci_le_meta_evt+0x220/0x304c [ 83.618378][ T4076] hci_event_packet+0xd2c/0x1208 [ 83.619206][ T4076] hci_rx_work+0x1cc/0x868 [ 83.619917][ T4076] process_one_work+0x79c/0x1138 [ 83.620748][ T4076] worker_thread+0x8f4/0x1034 [ 83.621595][ T4076] kthread+0x374/0x454 [ 83.622303][ T4076] ret_from_fork+0x10/0x20 [ 83.623767][ T4074] kobject_add_internal failed for hci4:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 83.625797][ T4074] Bluetooth: hci4: failed to register connection device [ 83.627062][ T4076] kobject_add_internal failed for hci0:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 83.629262][ T4076] Bluetooth: hci0: failed to register connection device [ 83.633418][ T5700] loop1: detected capacity change from 0 to 8192 [ 83.641641][ T5703] loop3: detected capacity change from 0 to 8192 [ 83.684284][ T5703] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 83.685850][ T5703] REISERFS (device loop3): using ordered data mode [ 83.686869][ T5703] reiserfs: using flush barriers [ 83.687998][ T5703] REISERFS warning (device loop3): sh-457 journal_init_dev: journal_init_dev: Cannot open './file2aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa': -2 [ 83.693126][ T5703] REISERFS warning (device loop3): sh-462 journal_init: unable to initialize journal device [ 83.695073][ T5703] REISERFS warning (device loop3): sh-2022 reiserfs_fill_super: unable to initialize journal space [ 83.697722][ T5700] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 83.699230][ T5700] REISERFS (device loop1): using ordered data mode [ 83.700857][ T5700] reiserfs: using flush barriers [ 83.701997][ T5700] REISERFS warning (device loop1): sh-457 journal_init_dev: journal_init_dev: Cannot open './file2aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa': -2 [ 83.707014][ T5700] REISERFS warning (device loop1): sh-462 journal_init: unable to initialize journal device [ 83.708921][ T5700] REISERFS warning (device loop1): sh-2022 reiserfs_fill_super: unable to initialize journal space [ 83.743296][ T144] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci3/hci3:201' [ 83.744845][ T144] CPU: 1 PID: 144 Comm: kworker/u5:0 Tainted: G B W syzkaller #0 [ 83.746470][ T144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.748303][ T144] Workqueue: hci3 hci_rx_work [ 83.749101][ T144] Call trace: [ 83.749671][ T144] dump_backtrace+0x0/0x458 [ 83.750423][ T144] show_stack+0x2c/0x3c [ 83.751200][ T144] __dump_stack+0x30/0x40 [ 83.751903][ T144] dump_stack_lvl+0xf4/0x15c [ 83.752675][ T144] dump_stack+0x1c/0x5c [ 83.753349][ T144] sysfs_create_dir_ns+0x244/0x264 [ 83.754213][ T144] kobject_add_internal+0x5ac/0xc3c [ 83.755097][ T144] kobject_add+0x140/0x20c [ 83.755863][ T144] device_add+0x3f0/0xf90 [ 83.756625][ T144] hci_conn_add_sysfs+0xbc/0x1c8 [ 83.757420][ T144] le_conn_complete_evt+0x9bc/0x11e8 [ 83.758303][ T144] hci_le_meta_evt+0x220/0x304c [ 83.759098][ T144] hci_event_packet+0xd2c/0x1208 [ 83.759923][ T144] hci_rx_work+0x1cc/0x868 [ 83.760715][ T144] process_one_work+0x79c/0x1138 [ 83.761555][ T144] worker_thread+0x8f4/0x1034 [ 83.762383][ T144] kthread+0x374/0x454 [ 83.763077][ T144] ret_from_fork+0x10/0x20 [ 83.764113][ T144] kobject_add_internal failed for hci3:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 83.766297][ T144] Bluetooth: hci3: failed to register connection device [ 83.774113][ T4225] Bluetooth: hci0: command 0x0406 tx timeout [ 83.810316][ T4076] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci2/hci2:201' [ 83.815526][ T4076] CPU: 1 PID: 4076 Comm: kworker/u5:2 Tainted: G B W syzkaller #0 [ 83.817016][ T4076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.818632][ T4076] Workqueue: hci2 hci_rx_work [ 83.819437][ T4076] Call trace: [ 83.819983][ T4076] dump_backtrace+0x0/0x458 [ 83.820767][ T4076] show_stack+0x2c/0x3c [ 83.821494][ T4076] __dump_stack+0x30/0x40 [ 83.822194][ T4076] dump_stack_lvl+0xf4/0x15c [ 83.822905][ T4076] dump_stack+0x1c/0x5c [ 83.823635][ T4076] sysfs_create_dir_ns+0x244/0x264 [ 83.824511][ T4076] kobject_add_internal+0x5ac/0xc3c [ 83.825330][ T4076] kobject_add+0x140/0x20c [ 83.826128][ T4076] device_add+0x3f0/0xf90 [ 83.826925][ T4076] hci_conn_add_sysfs+0xbc/0x1c8 [ 83.827755][ T4076] le_conn_complete_evt+0x9bc/0x11e8 [ 83.828654][ T4076] hci_le_meta_evt+0x220/0x304c [ 83.829454][ T4076] hci_event_packet+0xd2c/0x1208 [ 83.830371][ T4076] hci_rx_work+0x1cc/0x868 [ 83.831172][ T4076] process_one_work+0x79c/0x1138 [ 83.832035][ T4076] worker_thread+0x8f4/0x1034 [ 83.832803][ T4076] kthread+0x374/0x454 [ 83.833476][ T4076] ret_from_fork+0x10/0x20 [ 83.850420][ T4076] kobject_add_internal failed for hci2:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 83.852419][ T4076] Bluetooth: hci2: failed to register connection device [ 83.853741][ T4225] Bluetooth: hci3: command 0x0406 tx timeout [ 83.876298][ T144] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci4/hci4:201' [ 83.877828][ T144] CPU: 0 PID: 144 Comm: kworker/u5:0 Tainted: G B W syzkaller #0 [ 83.879199][ T144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.880917][ T144] Workqueue: hci4 hci_rx_work [ 83.881757][ T144] Call trace: [ 83.882335][ T144] dump_backtrace+0x0/0x458 [ 83.883156][ T144] show_stack+0x2c/0x3c [ 83.883818][ T144] __dump_stack+0x30/0x40 [ 83.884484][ T144] dump_stack_lvl+0xf4/0x15c [ 83.885249][ T144] dump_stack+0x1c/0x5c [ 83.885933][ T144] sysfs_create_dir_ns+0x244/0x264 [ 83.886718][ T144] kobject_add_internal+0x5ac/0xc3c [ 83.887551][ T144] kobject_add+0x140/0x20c [ 83.888299][ T144] device_add+0x3f0/0xf90 [ 83.889098][ T144] hci_conn_add_sysfs+0xbc/0x1c8 [ 83.889963][ T144] le_conn_complete_evt+0x9bc/0x11e8 [ 83.890833][ T144] hci_le_meta_evt+0x220/0x304c [ 83.891620][ T144] hci_event_packet+0xd2c/0x1208 [ 83.892423][ T144] hci_rx_work+0x1cc/0x868 [ 83.893189][ T144] process_one_work+0x79c/0x1138 [ 83.893999][ T144] worker_thread+0x8f4/0x1034 [ 83.894808][ T144] kthread+0x374/0x454 [ 83.895538][ T144] ret_from_fork+0x10/0x20 [ 83.897652][ T144] kobject_add_internal failed for hci4:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 83.899655][ T144] Bluetooth: hci4: failed to register connection device [ 83.949289][ T4076] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:201' [ 83.950988][ T4076] CPU: 1 PID: 4076 Comm: kworker/u5:2 Tainted: G B W syzkaller #0 [ 83.952608][ T4076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.954324][ T4076] Workqueue: hci0 hci_rx_work [ 83.955100][ T4076] Call trace: [ 83.955710][ T4076] dump_backtrace+0x0/0x458 [ 83.956372][ T4076] show_stack+0x2c/0x3c [ 83.957027][ T4076] __dump_stack+0x30/0x40 [ 83.957696][ T4076] dump_stack_lvl+0xf4/0x15c [ 83.958431][ T4076] dump_stack+0x1c/0x5c [ 83.959170][ T4076] sysfs_create_dir_ns+0x244/0x264 [ 83.960090][ T4076] kobject_add_internal+0x5ac/0xc3c [ 83.960986][ T4076] kobject_add+0x140/0x20c [ 83.961754][ T4076] device_add+0x3f0/0xf90 [ 83.962456][ T4076] hci_conn_add_sysfs+0xbc/0x1c8 [ 83.963337][ T4076] le_conn_complete_evt+0x9bc/0x11e8 [ 83.964175][ T4076] hci_le_meta_evt+0x220/0x304c [ 83.964987][ T4076] hci_event_packet+0xd2c/0x1208 [ 83.965772][ T4076] hci_rx_work+0x1cc/0x868 [ 83.966520][ T4076] process_one_work+0x79c/0x1138 [ 83.967381][ T4076] worker_thread+0x8f4/0x1034 [ 83.968117][ T4076] kthread+0x374/0x454 [ 83.968812][ T4076] ret_from_fork+0x10/0x20 [ 83.969621][ T4076] kobject_add_internal failed for hci0:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 83.971871][ T4076] Bluetooth: hci0: failed to register connection device [ 83.991827][ T5711] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 83.993336][ T5711] REISERFS (device loop2): using ordered data mode [ 83.994409][ T5711] reiserfs: using flush barriers [ 83.995441][ T5711] REISERFS warning (device loop2): sh-457 journal_init_dev: journal_init_dev: Cannot open './file2aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa': -2 [ 84.000706][ T5711] REISERFS warning (device loop2): sh-462 journal_init: unable to initialize journal device [ 84.002439][ T5711] REISERFS warning (device loop2): sh-2022 reiserfs_fill_super: unable to initialize journal space [ 84.016048][ T144] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci3/hci3:201' [ 84.035440][ T144] CPU: 0 PID: 144 Comm: kworker/u5:0 Tainted: G B W syzkaller #0 [ 84.036820][ T144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.038470][ T144] Workqueue: hci3 hci_rx_work [ 84.039260][ T144] Call trace: [ 84.039846][ T144] dump_backtrace+0x0/0x458 [ 84.040627][ T144] show_stack+0x2c/0x3c [ 84.041326][ T144] __dump_stack+0x30/0x40 [ 84.042086][ T144] dump_stack_lvl+0xf4/0x15c [ 84.042875][ T144] dump_stack+0x1c/0x5c [ 84.043610][ T144] sysfs_create_dir_ns+0x244/0x264 [ 84.044464][ T144] kobject_add_internal+0x5ac/0xc3c [ 84.045315][ T144] kobject_add+0x140/0x20c [ 84.046088][ T144] device_add+0x3f0/0xf90 [ 84.046825][ T144] hci_conn_add_sysfs+0xbc/0x1c8 [ 84.047734][ T144] le_conn_complete_evt+0x9bc/0x11e8 [ 84.048642][ T144] hci_le_meta_evt+0x220/0x304c [ 84.049464][ T144] hci_event_packet+0xd2c/0x1208 [ 84.050322][ T144] hci_rx_work+0x1cc/0x868 [ 84.051057][ T144] process_one_work+0x79c/0x1138 [ 84.051914][ T144] worker_thread+0x8f4/0x1034 [ 84.052718][ T144] kthread+0x374/0x454 [ 84.053381][ T144] ret_from_fork+0x10/0x20 [ 84.054207][ T144] kobject_add_internal failed for hci3:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 84.056448][ T144] Bluetooth: hci3: failed to register connection device [ 84.112301][ T4875] Bluetooth: hci2: command 0x0406 tx timeout [ 84.113406][ T4076] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci4/hci4:201' [ 84.115086][ T4076] CPU: 1 PID: 4076 Comm: kworker/u5:2 Tainted: G B W syzkaller #0 [ 84.116598][ T4076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.118211][ T4076] Workqueue: hci4 hci_rx_work [ 84.118973][ T4076] Call trace: [ 84.119507][ T4076] dump_backtrace+0x0/0x458 [ 84.120217][ T4076] show_stack+0x2c/0x3c [ 84.120880][ T4076] __dump_stack+0x30/0x40 [ 84.121621][ T4076] dump_stack_lvl+0xf4/0x15c [ 84.122432][ T4076] dump_stack+0x1c/0x5c [ 84.123153][ T4076] sysfs_create_dir_ns+0x244/0x264 [ 84.123964][ T4076] kobject_add_internal+0x5ac/0xc3c [ 84.124809][ T4076] kobject_add+0x140/0x20c [ 84.125570][ T4076] device_add+0x3f0/0xf90 [ 84.126266][ T4076] hci_conn_add_sysfs+0xbc/0x1c8 [ 84.127148][ T4076] le_conn_complete_evt+0x9bc/0x11e8 [ 84.128076][ T4076] hci_le_meta_evt+0x220/0x304c [ 84.128889][ T4076] hci_event_packet+0xd2c/0x1208 [ 84.129658][ T4076] hci_rx_work+0x1cc/0x868 [ 84.130435][ T4076] process_one_work+0x79c/0x1138 [ 84.131272][ T4076] worker_thread+0x8f4/0x1034 [ 84.132049][ T4076] kthread+0x374/0x454 [ 84.132723][ T4076] ret_from_fork+0x10/0x20 [ 84.134558][ T4076] kobject_add_internal failed for hci4:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 84.136768][ T4076] Bluetooth: hci4: failed to register connection device [ 84.144524][ T5715] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 84.146151][ T5715] REISERFS (device loop0): using ordered data mode [ 84.147213][ T5715] reiserfs: using flush barriers [ 84.148286][ T5715] REISERFS warning (device loop0): sh-457 journal_init_dev: journal_init_dev: Cannot open './file2aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa': -2 [ 84.153745][ T5715] REISERFS warning (device loop0): sh-462 journal_init: unable to initialize journal device [ 84.155432][ T5715] REISERFS warning (device loop0): sh-2022 reiserfs_fill_super: unable to initialize journal space [ 84.167690][ T4076] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci1/hci1:201' [ 84.169185][ T4076] CPU: 1 PID: 4076 Comm: kworker/u5:2 Tainted: G B W syzkaller #0 [ 84.170795][ T4076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.172607][ T4076] Workqueue: hci1 hci_rx_work [ 84.173435][ T4076] Call trace: [ 84.174002][ T4076] dump_backtrace+0x0/0x458 [ 84.174708][ T4076] show_stack+0x2c/0x3c [ 84.175444][ T4076] __dump_stack+0x30/0x40 [ 84.176155][ T4076] dump_stack_lvl+0xf4/0x15c [ 84.176927][ T4076] dump_stack+0x1c/0x5c [ 84.177637][ T4076] sysfs_create_dir_ns+0x244/0x264 [ 84.178564][ T4076] kobject_add_internal+0x5ac/0xc3c [ 84.179459][ T4076] kobject_add+0x140/0x20c [ 84.180181][ T4076] device_add+0x3f0/0xf90 [ 84.180851][ T4076] hci_conn_add_sysfs+0xbc/0x1c8 [ 84.181694][ T4076] le_conn_complete_evt+0x9bc/0x11e8 [ 84.182625][ T4076] hci_le_meta_evt+0x220/0x304c [ 84.183436][ T4076] hci_event_packet+0xd2c/0x1208 [ 84.184334][ T4076] hci_rx_work+0x1cc/0x868 [ 84.185041][ T4076] process_one_work+0x79c/0x1138 [ 84.185930][ T4076] worker_thread+0x8f4/0x1034 [ 84.186701][ T4076] kthread+0x374/0x454 [ 84.187339][ T4076] ret_from_fork+0x10/0x20 [ 84.190201][ T4076] kobject_add_internal failed for hci1:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 84.209902][ T4074] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci3/hci3:201' [ 84.214559][ T4074] CPU: 1 PID: 4074 Comm: kworker/u5:1 Tainted: G B W syzkaller #0 [ 84.215957][ T4074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.217590][ T4074] Workqueue: hci3 hci_rx_work [ 84.218402][ T4074] Call trace: [ 84.218927][ T4074] dump_backtrace+0x0/0x458 [ 84.219635][ T4074] show_stack+0x2c/0x3c [ 84.220358][ T4074] __dump_stack+0x30/0x40 [ 84.221074][ T4074] dump_stack_lvl+0xf4/0x15c [ 84.221830][ T4074] dump_stack+0x1c/0x5c [ 84.222592][ T4074] sysfs_create_dir_ns+0x244/0x264 [ 84.223479][ T4074] kobject_add_internal+0x5ac/0xc3c [ 84.224388][ T4074] kobject_add+0x140/0x20c [ 84.225177][ T4074] device_add+0x3f0/0xf90 [ 84.225882][ T4074] hci_conn_add_sysfs+0xbc/0x1c8 [ 84.226695][ T4074] le_conn_complete_evt+0x9bc/0x11e8 [ 84.227591][ T4074] hci_le_meta_evt+0x220/0x304c [ 84.228432][ T4074] hci_event_packet+0xd2c/0x1208 [ 84.229309][ T4074] hci_rx_work+0x1cc/0x868 [ 84.230123][ T4074] process_one_work+0x79c/0x1138 [ 84.230922][ T4074] worker_thread+0x8f4/0x1034 [ 84.231708][ T4074] kthread+0x374/0x454 [ 84.232455][ T4074] ret_from_fork+0x10/0x20 [ 84.249576][ T4074] kobject_add_internal failed for hci3:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 84.251773][ T4074] Bluetooth: hci3: failed to register connection device [ 84.259190][ T4076] Bluetooth: hci1: failed to register connection device [ 84.317162][ T4074] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci4/hci4:201' [ 84.317545][ T4076] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci3/hci3:201' [ 84.318830][ T4074] CPU: 1 PID: 4074 Comm: kworker/u5:1 Tainted: G B W syzkaller #0 [ 84.321896][ T4074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.323733][ T4074] Workqueue: hci4 hci_rx_work [ 84.324644][ T4074] Call trace: [ 84.325212][ T4074] dump_backtrace+0x0/0x458 [ 84.325945][ T4074] show_stack+0x2c/0x3c [ 84.326600][ T4074] __dump_stack+0x30/0x40 [ 84.327312][ T4074] dump_stack_lvl+0xf4/0x15c [ 84.328077][ T4074] dump_stack+0x1c/0x5c [ 84.328795][ T4074] sysfs_create_dir_ns+0x244/0x264 [ 84.329688][ T4074] kobject_add_internal+0x5ac/0xc3c [ 84.330604][ T4074] kobject_add+0x140/0x20c [ 84.331419][ T4074] device_add+0x3f0/0xf90 [ 84.332155][ T4074] hci_conn_add_sysfs+0xbc/0x1c8 [ 84.333038][ T4074] le_conn_complete_evt+0x9bc/0x11e8 [ 84.333969][ T4074] hci_le_meta_evt+0x220/0x304c [ 84.334857][ T4074] hci_event_packet+0xd2c/0x1208 [ 84.335684][ T4074] hci_rx_work+0x1cc/0x868 [ 84.336449][ T4074] process_one_work+0x79c/0x1138 [ 84.337370][ T4074] worker_thread+0x8f4/0x1034 [ 84.338169][ T4074] kthread+0x374/0x454 [ 84.338903][ T4074] ret_from_fork+0x10/0x20 [ 84.339685][ T4076] CPU: 0 PID: 4076 Comm: kworker/u5:2 Tainted: G B W syzkaller #0 [ 84.340355][ T4074] kobject_add_internal failed for hci4:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 84.341113][ T4076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.343290][ T4074] Bluetooth: hci4: failed to register connection device [ 84.344886][ T4076] Workqueue: hci3 hci_rx_work [ 84.346823][ T4076] Call trace: [ 84.347370][ T4076] dump_backtrace+0x0/0x458 [ 84.348144][ T4076] show_stack+0x2c/0x3c [ 84.348781][ T4076] __dump_stack+0x30/0x40 [ 84.349464][ T4076] dump_stack_lvl+0xf4/0x15c [ 84.350179][ T4076] dump_stack+0x1c/0x5c [ 84.350856][ T4076] sysfs_create_dir_ns+0x244/0x264 [ 84.351785][ T4076] kobject_add_internal+0x5ac/0xc3c [ 84.352683][ T4076] kobject_add+0x140/0x20c [ 84.353522][ T4076] device_add+0x3f0/0xf90 [ 84.354290][ T4076] hci_conn_add_sysfs+0xbc/0x1c8 [ 84.355146][ T4076] le_conn_complete_evt+0x9bc/0x11e8 [ 84.356027][ T4076] hci_le_meta_evt+0x220/0x304c [ 84.356852][ T4076] hci_event_packet+0xd2c/0x1208 [ 84.357766][ T4076] hci_rx_work+0x1cc/0x868 [ 84.358503][ T4076] process_one_work+0x79c/0x1138 [ 84.359371][ T4076] worker_thread+0x8f4/0x1034 [ 84.360168][ T4076] kthread+0x374/0x454 [ 84.360812][ T4076] ret_from_fork+0x10/0x20 [ 84.361905][ T4076] kobject_add_internal failed for hci3:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 84.364008][ T4076] Bluetooth: hci3: failed to register connection device [ 84.410941][ T4827] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci2/hci2:201' [ 84.412370][ T4827] CPU: 0 PID: 4827 Comm: kworker/u5:4 Tainted: G B W syzkaller #0 [ 84.413791][ T4827] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.414843][ T148] team0 (unregistering): Port device team_slave_1 removed [ 84.415503][ T4827] Workqueue: hci2 hci_rx_work [ 84.417511][ T4827] Call trace: [ 84.418116][ T4827] dump_backtrace+0x0/0x458 [ 84.418772][ T4827] show_stack+0x2c/0x3c [ 84.419477][ T4827] __dump_stack+0x30/0x40 [ 84.420216][ T4827] dump_stack_lvl+0xf4/0x15c [ 84.421036][ T4827] dump_stack+0x1c/0x5c [ 84.421788][ T4827] sysfs_create_dir_ns+0x244/0x264 [ 84.422667][ T4827] kobject_add_internal+0x5ac/0xc3c [ 84.423600][ T4827] kobject_add+0x140/0x20c [ 84.424362][ T4827] device_add+0x3f0/0xf90 [ 84.425101][ T4827] hci_conn_add_sysfs+0xbc/0x1c8 [ 84.425922][ T4827] le_conn_complete_evt+0x9bc/0x11e8 [ 84.426794][ T4827] hci_le_meta_evt+0x220/0x304c [ 84.427619][ T4827] hci_event_packet+0xd2c/0x1208 [ 84.428454][ T4827] hci_rx_work+0x1cc/0x868 [ 84.429175][ T4827] process_one_work+0x79c/0x1138 [ 84.430027][ T4827] worker_thread+0x8f4/0x1034 [ 84.430843][ T4827] kthread+0x374/0x454 [ 84.431531][ T4827] ret_from_fork+0x10/0x20 [ 84.433462][ T4827] kobject_add_internal failed for hci2:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 84.435514][ T4827] Bluetooth: hci2: failed to register connection device [ 84.437184][ T148] team0 (unregistering): Port device team_slave_0 removed [ 84.445359][ T148] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 84.453285][ T5724] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 84.454736][ T5724] REISERFS (device loop1): using ordered data mode [ 84.455775][ T5724] reiserfs: using flush barriers [ 84.456862][ T5724] REISERFS warning (device loop1): sh-457 journal_init_dev: journal_init_dev: Cannot open './file2aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa': -2 [ 84.462239][ T5724] REISERFS warning (device loop1): sh-462 journal_init: unable to initialize journal device [ 84.464034][ T5724] REISERFS warning (device loop1): sh-2022 reiserfs_fill_super: unable to initialize journal space [ 84.499257][ T4827] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:201' [ 84.503570][ T4827] CPU: 1 PID: 4827 Comm: kworker/u5:4 Tainted: G B W syzkaller #0 [ 84.505027][ T4827] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.506632][ T4827] Workqueue: hci0 hci_rx_work [ 84.507441][ T4827] Call trace: [ 84.508017][ T4827] dump_backtrace+0x0/0x458 [ 84.508750][ T4827] show_stack+0x2c/0x3c [ 84.509413][ T4827] __dump_stack+0x30/0x40 [ 84.510182][ T4827] dump_stack_lvl+0xf4/0x15c [ 84.510916][ T4827] dump_stack+0x1c/0x5c [ 84.511679][ T4827] sysfs_create_dir_ns+0x244/0x264 [ 84.512518][ T4827] kobject_add_internal+0x5ac/0xc3c [ 84.513498][ T4827] kobject_add+0x140/0x20c [ 84.514272][ T4827] device_add+0x3f0/0xf90 [ 84.515096][ T4827] hci_conn_add_sysfs+0xbc/0x1c8 [ 84.515936][ T4827] le_conn_complete_evt+0x9bc/0x11e8 [ 84.516830][ T4827] hci_le_meta_evt+0x220/0x304c [ 84.517678][ T4827] hci_event_packet+0xd2c/0x1208 [ 84.518589][ T4827] hci_rx_work+0x1cc/0x868 [ 84.519383][ T4827] process_one_work+0x79c/0x1138 [ 84.520271][ T4827] worker_thread+0x8f4/0x1034 [ 84.521159][ T4827] kthread+0x374/0x454 [ 84.521936][ T4827] ret_from_fork+0x10/0x20 [ 84.526325][ T5734] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 84.526634][ T4827] kobject_add_internal failed for hci0:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 84.527805][ T5734] REISERFS (device loop0): using ordered data mode [ 84.530168][ T4827] Bluetooth: hci0: failed to register connection device [ 84.532467][ T5734] reiserfs: using flush barriers [ 84.532753][ T5731] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 84.533542][ T5734] REISERFS warning (device loop0): sh-457 journal_init_dev: journal_init_dev: Cannot open './file2aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa': -2 [ 84.534764][ T5731] REISERFS (device loop2): using ordered data mode [ 84.539503][ T5734] REISERFS warning (device loop0): sh-462 journal_init: unable to initialize journal device [ 84.540538][ T5731] reiserfs: using flush barriers [ 84.542296][ T5734] REISERFS warning (device loop0): sh-2022 reiserfs_fill_super: unable to initialize journal space [ 84.543106][ T5731] REISERFS warning (device loop2): sh-457 journal_init_dev: journal_init_dev: Cannot open './file2aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa': -2 [ 84.549440][ T5731] REISERFS warning (device loop2): sh-462 journal_init: unable to initialize journal device [ 84.551446][ T5731] REISERFS warning (device loop2): sh-2022 reiserfs_fill_super: unable to initialize journal space [ 84.554098][ T5729] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 84.554281][ T148] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 84.555633][ T5729] REISERFS (device loop4): using ordered data mode [ 84.558136][ T5729] reiserfs: using flush barriers [ 84.559185][ T5729] REISERFS warning (device loop4): sh-457 journal_init_dev: journal_init_dev: Cannot open './file2aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa': -2 [ 84.560075][ T4875] Bluetooth: hci1: command 0x0406 tx timeout [ 84.564327][ T5729] REISERFS warning (device loop4): sh-462 journal_init: unable to initialize journal device [ 84.565412][ T5727] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 84.566901][ T5729] REISERFS warning (device loop4): sh-2022 reiserfs_fill_super: unable to initialize journal space [ 84.568209][ T5727] REISERFS (device loop3): using ordered data mode [ 84.571145][ T5727] reiserfs: using flush barriers [ 84.572224][ T5727] REISERFS warning (device loop3): sh-457 journal_init_dev: journal_init_dev: Cannot open './file2aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa': -2 [ 84.576922][ T5727] REISERFS warning (device loop3): sh-462 journal_init: unable to initialize journal device [ 84.578857][ T5727] REISERFS warning (device loop3): sh-2022 reiserfs_fill_super: unable to initialize journal space [ 84.743504][ T4827] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci1/hci1:201' [ 84.745181][ T4827] CPU: 1 PID: 4827 Comm: kworker/u5:4 Tainted: G B W syzkaller #0 [ 84.746761][ T4827] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.748315][ T4827] Workqueue: hci1 hci_rx_work [ 84.749116][ T4827] Call trace: [ 84.749652][ T4827] dump_backtrace+0x0/0x458 [ 84.750397][ T4827] show_stack+0x2c/0x3c [ 84.751070][ T4827] __dump_stack+0x30/0x40 [ 84.751758][ T4827] dump_stack_lvl+0xf4/0x15c [ 84.752577][ T4827] dump_stack+0x1c/0x5c [ 84.753324][ T4827] sysfs_create_dir_ns+0x244/0x264 [ 84.754177][ T4827] kobject_add_internal+0x5ac/0xc3c [ 84.755027][ T4827] kobject_add+0x140/0x20c [ 84.755814][ T4827] device_add+0x3f0/0xf90 [ 84.756538][ T4827] hci_conn_add_sysfs+0xbc/0x1c8 [ 84.756567][ T4076] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:201' [ 84.757358][ T4827] le_conn_complete_evt+0x9bc/0x11e8 [ 84.759693][ T4827] hci_le_meta_evt+0x220/0x304c [ 84.760509][ T4827] hci_event_packet+0xd2c/0x1208 [ 84.761305][ T4827] hci_rx_work+0x1cc/0x868 [ 84.762012][ T4827] process_one_work+0x79c/0x1138 [ 84.762836][ T4827] worker_thread+0x8f4/0x1034 [ 84.763655][ T4827] kthread+0x374/0x454 [ 84.764360][ T4827] ret_from_fork+0x10/0x20 [ 84.765076][ T4076] CPU: 0 PID: 4076 Comm: kworker/u5:2 Tainted: G B W syzkaller #0 [ 84.765510][ T4827] kobject_add_internal failed for hci1:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 84.766532][ T4076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.768776][ T4827] Bluetooth: hci1: failed to register connection device [ 84.770492][ T4076] Workqueue: hci0 hci_rx_work [ 84.770510][ T4076] Call trace: [ 84.770513][ T4076] dump_backtrace+0x0/0x458 [ 84.770521][ T4076] show_stack+0x2c/0x3c [ 84.774465][ T4076] __dump_stack+0x30/0x40 [ 84.775224][ T4076] dump_stack_lvl+0xf4/0x15c [ 84.775977][ T4076] dump_stack+0x1c/0x5c [ 84.776730][ T148] bond0 (unregistering): Released all slaves [ 84.776750][ T4076] sysfs_create_dir_ns+0x244/0x264 [ 84.778604][ T4076] kobject_add_internal+0x5ac/0xc3c [ 84.779500][ T4076] kobject_add+0x140/0x20c [ 84.780269][ T4076] device_add+0x3f0/0xf90 [ 84.781081][ T4076] hci_conn_add_sysfs+0xbc/0x1c8 [ 84.781932][ T4076] le_conn_complete_evt+0x9bc/0x11e8 [ 84.782827][ T4076] hci_le_meta_evt+0x220/0x304c [ 84.783675][ T4076] hci_event_packet+0xd2c/0x1208 [ 84.784478][ T4076] hci_rx_work+0x1cc/0x868 [ 84.785172][ T4076] process_one_work+0x79c/0x1138 [ 84.785960][ T4076] worker_thread+0x8f4/0x1034 [ 84.786655][ T4076] kthread+0x374/0x454 [ 84.787326][ T4076] ret_from_fork+0x10/0x20 [ 84.788649][ T5740] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 84.789714][ T4076] kobject_add_internal failed for hci0:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 84.790723][ T5740] REISERFS (device loop1): using ordered data mode [ 84.792279][ T4076] Bluetooth: hci0: failed to register connection device [ 84.793542][ T5740] reiserfs: using flush barriers [ 84.795584][ T5740] REISERFS warning (device loop1): sh-457 journal_init_dev: journal_init_dev: Cannot open './file2aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa': -2 [ 84.800961][ T5740] REISERFS warning (device loop1): sh-462 journal_init: unable to initialize journal device [ 84.802772][ T5740] REISERFS warning (device loop1): sh-2022 reiserfs_fill_super: unable to initialize journal space [ 84.876208][ T4827] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci4/hci4:201' [ 84.877621][ T4827] CPU: 1 PID: 4827 Comm: kworker/u5:4 Tainted: G B W syzkaller #0 [ 84.879150][ T4827] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.880888][ T4827] Workqueue: hci4 hci_rx_work [ 84.881724][ T4827] Call trace: [ 84.882320][ T4827] dump_backtrace+0x0/0x458 [ 84.883085][ T4827] show_stack+0x2c/0x3c [ 84.883815][ T4827] __dump_stack+0x30/0x40 [ 84.884649][ T4827] dump_stack_lvl+0xf4/0x15c [ 84.885473][ T4827] dump_stack+0x1c/0x5c [ 84.886222][ T4827] sysfs_create_dir_ns+0x244/0x264 [ 84.887113][ T4827] kobject_add_internal+0x5ac/0xc3c [ 84.888001][ T4827] kobject_add+0x140/0x20c [ 84.888777][ T4827] device_add+0x3f0/0xf90 [ 84.889468][ T4827] hci_conn_add_sysfs+0xbc/0x1c8 [ 84.890370][ T4827] le_conn_complete_evt+0x9bc/0x11e8 [ 84.891437][ T4827] hci_le_meta_evt+0x220/0x304c [ 84.892273][ T4827] hci_event_packet+0xd2c/0x1208 [ 84.893108][ T4827] hci_rx_work+0x1cc/0x868 [ 84.893840][ T4827] process_one_work+0x79c/0x1138 [ 84.894618][ T4827] worker_thread+0x8f4/0x1034 [ 84.895475][ T4827] kthread+0x374/0x454 [ 84.896153][ T4827] ret_from_fork+0x10/0x20 [ 84.898110][ T4827] kobject_add_internal failed for hci4:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 84.901114][ T4076] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci2/hci2:201' [ 84.901535][ T4827] Bluetooth: hci4: failed to register connection device [ 84.902708][ T4076] CPU: 0 PID: 4076 Comm: kworker/u5:2 Tainted: G B W syzkaller #0 [ 84.905372][ T4076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.907141][ T4076] Workqueue: hci2 hci_rx_work [ 84.907925][ T4076] Call trace: [ 84.908479][ T4076] dump_backtrace+0x0/0x458 [ 84.909222][ T4076] show_stack+0x2c/0x3c [ 84.909941][ T4076] __dump_stack+0x30/0x40 [ 84.910184][ T25] Bluetooth: hci4: command 0x0406 tx timeout [ 84.910659][ T4076] dump_stack_lvl+0xf4/0x15c [ 84.912476][ T4076] dump_stack+0x1c/0x5c [ 84.913163][ T4076] sysfs_create_dir_ns+0x244/0x264 [ 84.914024][ T4076] kobject_add_internal+0x5ac/0xc3c [ 84.914899][ T4076] kobject_add+0x140/0x20c [ 84.915699][ T4076] device_add+0x3f0/0xf90 [ 84.916460][ T4076] hci_conn_add_sysfs+0xbc/0x1c8 [ 84.917322][ T4076] le_conn_complete_evt+0x9bc/0x11e8 [ 84.918276][ T4076] hci_le_meta_evt+0x220/0x304c [ 84.919077][ T4076] hci_event_packet+0xd2c/0x1208 [ 84.919896][ T4076] hci_rx_work+0x1cc/0x868 [ 84.920668][ T4076] process_one_work+0x79c/0x1138 [ 84.921586][ T4076] worker_thread+0x8f4/0x1034 [ 84.922403][ T4076] kthread+0x374/0x454 [ 84.923107][ T4076] ret_from_fork+0x10/0x20 [ 84.928109][ T4076] kobject_add_internal failed for hci2:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 84.930860][ T4076] Bluetooth: hci2: failed to register connection device [ 84.971425][ T5742] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 84.972856][ T5742] REISERFS (device loop0): using ordered data mode [ 84.973963][ T5742] reiserfs: using flush barriers [ 84.975089][ T5742] REISERFS warning (device loop0): sh-457 journal_init_dev: journal_init_dev: Cannot open './file2aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa': -2 [ 84.980483][ T5742] REISERFS warning (device loop0): sh-462 journal_init: unable to initialize journal device [ 84.982192][ T5742] REISERFS warning (device loop0): sh-2022 reiserfs_fill_super: unable to initialize journal space [ 84.985208][ T4827] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci3/hci3:201' [ 84.986669][ T4827] CPU: 1 PID: 4827 Comm: kworker/u5:4 Tainted: G B W syzkaller #0 [ 84.987986][ T4827] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.989544][ T4827] Workqueue: hci3 hci_rx_work [ 84.990301][ T4827] Call trace: [ 84.990804][ T4827] dump_backtrace+0x0/0x458 [ 84.991525][ T4827] show_stack+0x2c/0x3c [ 84.992227][ T4827] __dump_stack+0x30/0x40 [ 84.992881][ T4827] dump_stack_lvl+0xf4/0x15c [ 84.993562][ T4827] dump_stack+0x1c/0x5c [ 84.994219][ T4827] sysfs_create_dir_ns+0x244/0x264 [ 84.994996][ T4827] kobject_add_internal+0x5ac/0xc3c [ 84.995820][ T4827] kobject_add+0x140/0x20c [ 84.996467][ T4827] device_add+0x3f0/0xf90 [ 84.997160][ T4827] hci_conn_add_sysfs+0xbc/0x1c8 [ 84.997920][ T4827] le_conn_complete_evt+0x9bc/0x11e8 [ 84.998725][ T4827] hci_le_meta_evt+0x220/0x304c [ 84.999463][ T4827] hci_event_packet+0xd2c/0x1208 [ 85.000198][ T4827] hci_rx_work+0x1cc/0x868 [ 85.000867][ T4827] process_one_work+0x79c/0x1138 [ 85.001598][ T4827] worker_thread+0x8f4/0x1034 [ 85.002266][ T4827] kthread+0x374/0x454 [ 85.002926][ T4827] ret_from_fork+0x10/0x20 [ 85.009635][ T4827] kobject_add_internal failed for hci3:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 85.012836][ T5745] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 85.012982][ T5747] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 85.014293][ T5745] REISERFS (device loop3): using ordered data mode [ 85.015825][ T5747] REISERFS (device loop2): using ordered data mode [ 85.016853][ T5745] reiserfs: using flush barriers [ 85.018024][ T5747] reiserfs: using flush barriers [ 85.019070][ T5745] REISERFS warning (device loop3): sh-457 journal_init_dev: journal_init_dev: Cannot open './file2aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa': -2 [ 85.020641][ T5747] REISERFS warning (device loop2): sh-457 journal_init_dev: journal_init_dev: Cannot open './file2aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa': -2 [ 85.024945][ T5745] REISERFS warning (device loop3): sh-462 journal_init: unable to initialize journal device [ 85.029892][ T5747] REISERFS warning (device loop2): sh-462 journal_init: unable to initialize journal device [ 85.031672][ T5745] REISERFS warning (device loop3): sh-2022 reiserfs_fill_super: unable to initialize journal space [ 85.033320][ T5747] REISERFS warning (device loop2): sh-2022 reiserfs_fill_super: unable to initialize journal space [ 85.040438][ T4827] Bluetooth: hci3: failed to register connection device [ 85.089320][ T5750] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 85.091005][ T5750] REISERFS (device loop4): using ordered data mode [ 85.092088][ T5750] reiserfs: using flush barriers [ 85.093211][ T5750] REISERFS warning (device loop4): sh-457 journal_init_dev: journal_init_dev: Cannot open './file2aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa': -2 [ 85.097897][ T5750] REISERFS warning (device loop4): sh-462 journal_init: unable to initialize journal device [ 85.099685][ T5750] REISERFS warning (device loop4): sh-2022 reiserfs_fill_super: unable to initialize journal space [ 85.191668][ T4076] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci1/hci1:201' [ 85.193351][ T4076] CPU: 0 PID: 4076 Comm: kworker/u5:2 Tainted: G B W syzkaller #0 [ 85.194935][ T4076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 85.196536][ T4076] Workqueue: hci1 hci_rx_work [ 85.197272][ T4076] Call trace: [ 85.197809][ T4076] dump_backtrace+0x0/0x458 [ 85.198566][ T4076] show_stack+0x2c/0x3c [ 85.199280][ T4076] __dump_stack+0x30/0x40 [ 85.200010][ T4076] dump_stack_lvl+0xf4/0x15c [ 85.200812][ T4076] dump_stack+0x1c/0x5c [ 85.201522][ T4076] sysfs_create_dir_ns+0x244/0x264 [ 85.202441][ T4076] kobject_add_internal+0x5ac/0xc3c [ 85.203330][ T4076] kobject_add+0x140/0x20c [ 85.204167][ T4076] device_add+0x3f0/0xf90 [ 85.204896][ T4076] hci_conn_add_sysfs+0xbc/0x1c8 [ 85.205768][ T4076] le_conn_complete_evt+0x9bc/0x11e8 [ 85.206643][ T4076] hci_le_meta_evt+0x220/0x304c [ 85.207438][ T4076] hci_event_packet+0xd2c/0x1208 [ 85.208241][ T4076] hci_rx_work+0x1cc/0x868 [ 85.208911][ T4076] process_one_work+0x79c/0x1138 [ 85.209724][ T4076] worker_thread+0x8f4/0x1034 [ 85.210463][ T4076] kthread+0x374/0x454 [ 85.211112][ T4076] ret_from_fork+0x10/0x20 [ 85.212358][ T4076] kobject_add_internal failed for hci1:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 85.214500][ T4076] Bluetooth: hci1: failed to register connection device [ 85.219746][ T4076] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:201' [ 85.221641][ T4076] CPU: 0 PID: 4076 Comm: kworker/u5:2 Tainted: G B W syzkaller #0 [ 85.223131][ T4076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 85.224919][ T4076] Workqueue: hci0 hci_rx_work [ 85.225724][ T4076] Call trace: [ 85.226279][ T4076] dump_backtrace+0x0/0x458 [ 85.227029][ T4076] show_stack+0x2c/0x3c [ 85.227795][ T4076] __dump_stack+0x30/0x40 [ 85.228564][ T4076] dump_stack_lvl+0xf4/0x15c [ 85.229407][ T4076] dump_stack+0x1c/0x5c [ 85.230134][ T4076] sysfs_create_dir_ns+0x244/0x264 [ 85.230961][ T4076] kobject_add_internal+0x5ac/0xc3c [ 85.231923][ T4076] kobject_add+0x140/0x20c [ 85.232676][ T4076] device_add+0x3f0/0xf90 [ 85.233447][ T4076] hci_conn_add_sysfs+0xbc/0x1c8 [ 85.234239][ T4076] le_conn_complete_evt+0x9bc/0x11e8 [ 85.235165][ T4076] hci_le_meta_evt+0x220/0x304c [ 85.236017][ T4076] hci_event_packet+0xd2c/0x1208 [ 85.236825][ T4076] hci_rx_work+0x1cc/0x868 [ 85.237566][ T4076] process_one_work+0x79c/0x1138 [ 85.238386][ T4076] worker_thread+0x8f4/0x1034 [ 85.239162][ T4076] kthread+0x374/0x454 [ 85.239865][ T4076] ret_from_fork+0x10/0x20 [ 85.241067][ T4076] kobject_add_internal failed for hci0:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 85.243360][ T4076] Bluetooth: hci0: failed to register connection device [ 85.244762][ T5761] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 85.246316][ T5761] REISERFS (device loop1): using ordered data mode [ 85.247471][ T5761] reiserfs: using flush barriers [ 85.248543][ T5761] REISERFS warning (device loop1): sh-457 journal_init_dev: journal_init_dev: Cannot open './file2aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa': -2 [ 85.253720][ T5761] REISERFS warning (device loop1): sh-462 journal_init: unable to initialize journal device [ 85.255575][ T5761] REISERFS warning (device loop1): sh-2022 reiserfs_fill_super: unable to initialize journal space [ 85.267940][ T4074] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci3/hci3:201' [ 85.269454][ T4074] CPU: 1 PID: 4074 Comm: kworker/u5:1 Tainted: G B W syzkaller #0 [ 85.270915][ T4074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 85.272518][ T4074] Workqueue: hci3 hci_rx_work [ 85.273315][ T4074] Call trace: [ 85.273886][ T4074] dump_backtrace+0x0/0x458 [ 85.274648][ T4074] show_stack+0x2c/0x3c [ 85.275310][ T4074] __dump_stack+0x30/0x40 [ 85.276050][ T4074] dump_stack_lvl+0xf4/0x15c [ 85.276838][ T4074] dump_stack+0x1c/0x5c [ 85.277582][ T4074] sysfs_create_dir_ns+0x244/0x264 [ 85.278551][ T4074] kobject_add_internal+0x5ac/0xc3c [ 85.279473][ T4074] kobject_add+0x140/0x20c [ 85.280159][ T4074] device_add+0x3f0/0xf90 [ 85.280868][ T4074] hci_conn_add_sysfs+0xbc/0x1c8 [ 85.281688][ T4074] le_conn_complete_evt+0x9bc/0x11e8 [ 85.282603][ T4074] hci_le_meta_evt+0x220/0x304c [ 85.283455][ T4074] hci_event_packet+0xd2c/0x1208 [ 85.284352][ T4074] hci_rx_work+0x1cc/0x868 [ 85.285142][ T4074] process_one_work+0x79c/0x1138 [ 85.286034][ T4074] worker_thread+0x8f4/0x1034 [ 85.286842][ T4074] kthread+0x374/0x454 [ 85.287540][ T4074] ret_from_fork+0x10/0x20 [ 85.288470][ T4074] kobject_add_internal failed for hci3:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 85.290646][ T4074] Bluetooth: hci3: failed to register connection device [ 85.404458][ T4076] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci4/hci4:201' [ 85.406124][ T4076] CPU: 0 PID: 4076 Comm: kworker/u5:2 Tainted: G B W syzkaller #0 [ 85.407582][ T4076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 85.409335][ T4076] Workqueue: hci4 hci_rx_work [ 85.410182][ T4076] Call trace: [ 85.410732][ T4076] dump_backtrace+0x0/0x458 [ 85.411536][ T4076] show_stack+0x2c/0x3c [ 85.412216][ T4076] __dump_stack+0x30/0x40 [ 85.412971][ T4076] dump_stack_lvl+0xf4/0x15c [ 85.413733][ T4076] dump_stack+0x1c/0x5c [ 85.414429][ T4076] sysfs_create_dir_ns+0x244/0x264 [ 85.415386][ T4076] kobject_add_internal+0x5ac/0xc3c [ 85.416284][ T4076] kobject_add+0x140/0x20c [ 85.417043][ T4076] device_add+0x3f0/0xf90 [ 85.417865][ T4076] hci_conn_add_sysfs+0xbc/0x1c8 [ 85.418654][ T4076] le_conn_complete_evt+0x9bc/0x11e8 [ 85.419516][ T4076] hci_le_meta_evt+0x220/0x304c [ 85.420379][ T4076] hci_event_packet+0xd2c/0x1208 [ 85.421193][ T4076] hci_rx_work+0x1cc/0x868 [ 85.421922][ T4076] process_one_work+0x79c/0x1138 [ 85.422720][ T4076] worker_thread+0x8f4/0x1034 [ 85.423517][ T4076] kthread+0x374/0x454 [ 85.424159][ T4076] ret_from_fork+0x10/0x20 [ 85.425194][ T4076] kobject_add_internal failed for hci4:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 85.427463][ T4076] Bluetooth: hci4: failed to register connection device [ 85.436069][ T4076] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci2/hci2:201' [ 85.437642][ T4076] CPU: 0 PID: 4076 Comm: kworker/u5:2 Tainted: G B W syzkaller #0 [ 85.439159][ T4076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 85.440796][ T4076] Workqueue: hci2 hci_rx_work [ 85.441625][ T4076] Call trace: [ 85.442159][ T4076] dump_backtrace+0x0/0x458 [ 85.442974][ T4076] show_stack+0x2c/0x3c [ 85.443741][ T4076] __dump_stack+0x30/0x40 [ 85.444484][ T4076] dump_stack_lvl+0xf4/0x15c [ 85.445340][ T4076] dump_stack+0x1c/0x5c [ 85.446107][ T4076] sysfs_create_dir_ns+0x244/0x264 [ 85.446993][ T4076] kobject_add_internal+0x5ac/0xc3c [ 85.447910][ T4076] kobject_add+0x140/0x20c [ 85.448637][ T4076] device_add+0x3f0/0xf90 [ 85.449479][ T4076] hci_conn_add_sysfs+0xbc/0x1c8 [ 85.450297][ T4076] le_conn_complete_evt+0x9bc/0x11e8 [ 85.451221][ T4076] hci_le_meta_evt+0x220/0x304c [ 85.452123][ T4076] hci_event_packet+0xd2c/0x1208 [ 85.453030][ T4076] hci_rx_work+0x1cc/0x868 [ 85.453827][ T4076] process_one_work+0x79c/0x1138 [ 85.454671][ T4076] worker_thread+0x8f4/0x1034 [ 85.455478][ T4076] kthread+0x374/0x454 [ 85.456145][ T4076] ret_from_fork+0x10/0x20 [ 85.457466][ T4076] kobject_add_internal failed for hci2:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 85.459667][ T4076] Bluetooth: hci2: failed to register connection device [ 85.464824][ T5771] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 85.464841][ T5764] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 85.466183][ T5771] REISERFS (device loop3): using ordered data mode [ 85.467664][ T5764] REISERFS (device loop0): using ordered data mode [ 85.468632][ T5771] reiserfs: using flush barriers [ 85.469697][ T5764] reiserfs: using flush barriers [ 85.470802][ T5771] REISERFS warning (device loop3): sh-457 journal_init_dev: journal_init_dev: Cannot open './file2aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa': -2 [ 85.471595][ T5764] REISERFS warning (device loop0): sh-457 journal_init_dev: journal_init_dev: Cannot open './file2aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa': -2 [ 85.476420][ T5771] REISERFS warning (device loop3): sh-462 journal_init: unable to initialize journal device [ 85.481084][ T5764] REISERFS warning (device loop0): sh-462 journal_init: unable to initialize journal device [ 85.482767][ T5771] REISERFS warning (device loop3): sh-2022 reiserfs_fill_super: unable to initialize journal space [ 85.484553][ T5764] REISERFS warning (device loop0): sh-2022 reiserfs_fill_super: unable to initialize journal space [ 85.494125][ T5773] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 85.495642][ T5773] REISERFS (device loop2): using ordered data mode [ 85.496714][ T5773] reiserfs: using flush barriers [ 85.497718][ T5773] REISERFS warning (device loop2): sh-457 journal_init_dev: journal_init_dev: Cannot open './file2aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa': -2 [ 85.502856][ T5773] REISERFS warning (device loop2): sh-462 journal_init: unable to initialize journal device [ 85.504674][ T5773] REISERFS warning (device loop2): sh-2022 reiserfs_fill_super: unable to initialize journal space [ 85.568807][ T4076] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci3/hci3:201' [ 85.570871][ T4076] CPU: 0 PID: 4076 Comm: kworker/u5:2 Tainted: G B W syzkaller #0 [ 85.572226][ T4076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 85.573986][ T4076] Workqueue: hci3 hci_rx_work [ 85.574794][ T4076] Call trace: [ 85.575339][ T4076] dump_backtrace+0x0/0x458 [ 85.576059][ T4076] show_stack+0x2c/0x3c [ 85.576719][ T4076] __dump_stack+0x30/0x40 [ 85.577424][ T4076] dump_stack_lvl+0xf4/0x15c [ 85.578186][ T4076] dump_stack+0x1c/0x5c [ 85.578864][ T4076] sysfs_create_dir_ns+0x244/0x264 [ 85.579748][ T4076] kobject_add_internal+0x5ac/0xc3c [ 85.580652][ T4076] kobject_add+0x140/0x20c [ 85.581411][ T4076] device_add+0x3f0/0xf90 [ 85.582127][ T4076] hci_conn_add_sysfs+0xbc/0x1c8 [ 85.582930][ T4076] le_conn_complete_evt+0x9bc/0x11e8 [ 85.583879][ T4076] hci_le_meta_evt+0x220/0x304c [ 85.584679][ T4076] hci_event_packet+0xd2c/0x1208 [ 85.585529][ T4076] hci_rx_work+0x1cc/0x868 [ 85.586227][ T4076] process_one_work+0x79c/0x1138 [ 85.587083][ T4076] worker_thread+0x8f4/0x1034 [ 85.587885][ T4076] kthread+0x374/0x454 [ 85.588566][ T4076] ret_from_fork+0x10/0x20 [ 85.589480][ T4076] kobject_add_internal failed for hci3:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 85.591765][ T4076] Bluetooth: hci3: failed to register connection device [ 85.594247][ T4076] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci1/hci1:201' [ 85.595715][ T4076] CPU: 0 PID: 4076 Comm: kworker/u5:2 Tainted: G B W syzkaller #0 [ 85.597225][ T4076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 85.598866][ T4076] Workqueue: hci1 hci_rx_work [ 85.599631][ T4076] Call trace: [ 85.600177][ T4076] dump_backtrace+0x0/0x458 [ 85.600880][ T4076] show_stack+0x2c/0x3c [ 85.601552][ T4076] __dump_stack+0x30/0x40 [ 85.602295][ T4076] dump_stack_lvl+0xf4/0x15c [ 85.603045][ T4076] dump_stack+0x1c/0x5c [ 85.603740][ T4076] sysfs_create_dir_ns+0x244/0x264 [ 85.604614][ T4076] kobject_add_internal+0x5ac/0xc3c [ 85.605550][ T4076] kobject_add+0x140/0x20c [ 85.606317][ T4076] device_add+0x3f0/0xf90 [ 85.606982][ T4076] hci_conn_add_sysfs+0xbc/0x1c8 [ 85.607829][ T4076] le_conn_complete_evt+0x9bc/0x11e8 [ 85.608781][ T4076] hci_le_meta_evt+0x220/0x304c [ 85.609627][ T4076] hci_event_packet+0xd2c/0x1208 [ 85.610412][ T4076] hci_rx_work+0x1cc/0x868 [ 85.611136][ T4076] process_one_work+0x79c/0x1138 [ 85.611933][ T4076] worker_thread+0x8f4/0x1034 [ 85.612704][ T4076] kthread+0x374/0x454 [ 85.613348][ T4076] ret_from_fork+0x10/0x20 [ 85.614959][ T4076] kobject_add_internal failed for hci1:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 85.617137][ T4076] Bluetooth: hci1: failed to register connection device [ 85.623836][ T5778] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 85.625376][ T5778] REISERFS (device loop4): using ordered data mode [ 85.626361][ T5778] reiserfs: using flush barriers [ 85.627369][ T5778] REISERFS warning (device loop4): sh-457 journal_init_dev: journal_init_dev: Cannot open './file2aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa': -2 [ 85.632131][ T5778] REISERFS warning (device loop4): sh-462 journal_init: unable to initialize journal device [ 85.633842][ T5778] REISERFS warning (device loop4): sh-2022 reiserfs_fill_super: unable to initialize journal space [ 85.677461][ T4076] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci4/hci4:201' [ 85.678974][ T4076] CPU: 0 PID: 4076 Comm: kworker/u5:2 Tainted: G B W syzkaller #0 [ 85.680550][ T4076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 85.682289][ T4076] Workqueue: hci4 hci_rx_work [ 85.683136][ T4076] Call trace: [ 85.683686][ T4076] dump_backtrace+0x0/0x458 [ 85.684433][ T4076] show_stack+0x2c/0x3c [ 85.685107][ T4076] __dump_stack+0x30/0x40 [ 85.685787][ T4076] dump_stack_lvl+0xf4/0x15c [ 85.686503][ T4076] dump_stack+0x1c/0x5c [ 85.687198][ T4076] sysfs_create_dir_ns+0x244/0x264 [ 85.688065][ T4076] kobject_add_internal+0x5ac/0xc3c [ 85.688847][ T4076] kobject_add+0x140/0x20c [ 85.689587][ T4076] device_add+0x3f0/0xf90 [ 85.690278][ T4076] hci_conn_add_sysfs+0xbc/0x1c8 [ 85.691082][ T4076] le_conn_complete_evt+0x9bc/0x11e8 [ 85.691922][ T4076] hci_le_meta_evt+0x220/0x304c [ 85.692775][ T4076] hci_event_packet+0xd2c/0x1208 [ 85.693621][ T4076] hci_rx_work+0x1cc/0x868 [ 85.694353][ T4076] process_one_work+0x79c/0x1138 [ 85.695172][ T4076] worker_thread+0x8f4/0x1034 [ 85.695939][ T4076] kthread+0x374/0x454 [ 85.696563][ T4076] ret_from_fork+0x10/0x20 [ 85.698278][ T4076] kobject_add_internal failed for hci4:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 85.704539][ T4076] Bluetooth: hci4: failed to register connection device [ 85.780782][ T5782] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 85.782332][ T5782] REISERFS (device loop1): using ordered data mode [ 85.783398][ T5782] reiserfs: using flush barriers [ 85.784443][ T5782] REISERFS warning (device loop1): sh-457 journal_init_dev: journal_init_dev: Cannot open './file2aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa': -2 [ 85.789217][ T5782] REISERFS warning (device loop1): sh-462 journal_init: unable to initialize journal device [ 85.791075][ T5782] REISERFS warning (device loop1): sh-2022 reiserfs_fill_super: unable to initialize journal space [ 85.796062][ T4076] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci2/hci2:201' [ 85.797697][ T4076] CPU: 0 PID: 4076 Comm: kworker/u5:2 Tainted: G B W syzkaller #0 [ 85.799184][ T4076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 85.800850][ T4076] Workqueue: hci2 hci_rx_work [ 85.801637][ T4076] Call trace: [ 85.802189][ T4076] dump_backtrace+0x0/0x458 [ 85.802910][ T4076] show_stack+0x2c/0x3c [ 85.803579][ T4076] __dump_stack+0x30/0x40 [ 85.804358][ T4076] dump_stack_lvl+0xf4/0x15c [ 85.805150][ T4076] dump_stack+0x1c/0x5c [ 85.805826][ T4076] sysfs_create_dir_ns+0x244/0x264 [ 85.806658][ T4076] kobject_add_internal+0x5ac/0xc3c [ 85.807590][ T4076] kobject_add+0x140/0x20c [ 85.808356][ T4076] device_add+0x3f0/0xf90 [ 85.809062][ T4076] hci_conn_add_sysfs+0xbc/0x1c8 [ 85.809883][ T4076] le_conn_complete_evt+0x9bc/0x11e8 [ 85.810709][ T4076] hci_le_meta_evt+0x220/0x304c [ 85.811511][ T4076] hci_event_packet+0xd2c/0x1208 [ 85.812354][ T4076] hci_rx_work+0x1cc/0x868 [ 85.813143][ T4076] process_one_work+0x79c/0x1138 [ 85.813966][ T4076] worker_thread+0x8f4/0x1034 [ 85.814737][ T4076] kthread+0x374/0x454 [ 85.815370][ T4076] ret_from_fork+0x10/0x20 [ 85.816997][ T4076] kobject_add_internal failed for hci2:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 85.819200][ T4076] Bluetooth: hci2: failed to register connection device [ 85.840023][ T4229] Bluetooth: hci0: command 0x0406 tx timeout [ 85.922845][ T4229] Bluetooth: hci3: command 0x0406 tx timeout [ 85.941289][ T4076] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci3/hci3:201' [ 85.942809][ T4076] CPU: 0 PID: 4076 Comm: kworker/u5:2 Tainted: G B W syzkaller #0 [ 85.944280][ T4076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 85.945997][ T4076] Workqueue: hci3 hci_rx_work [ 85.946831][ T4076] Call trace: [ 85.947396][ T4076] dump_backtrace+0x0/0x458 [ 85.948144][ T4076] show_stack+0x2c/0x3c [ 85.948819][ T4076] __dump_stack+0x30/0x40 [ 85.949493][ T4076] dump_stack_lvl+0xf4/0x15c [ 85.950274][ T4076] dump_stack+0x1c/0x5c [ 85.950999][ T4076] sysfs_create_dir_ns+0x244/0x264 [ 85.951957][ T4076] kobject_add_internal+0x5ac/0xc3c [ 85.952878][ T4076] kobject_add+0x140/0x20c [ 85.953689][ T4076] device_add+0x3f0/0xf90 [ 85.954535][ T4076] hci_conn_add_sysfs+0xbc/0x1c8 [ 85.955451][ T4076] le_conn_complete_evt+0x9bc/0x11e8 [ 85.956360][ T4076] hci_le_meta_evt+0x220/0x304c [ 85.957219][ T4076] hci_event_packet+0xd2c/0x1208 [ 85.958058][ T4076] hci_rx_work+0x1cc/0x868 [ 85.958766][ T4076] process_one_work+0x79c/0x1138 [ 85.959565][ T4076] worker_thread+0x8f4/0x1034 [ 85.960348][ T4076] kthread+0x374/0x454 [ 85.961013][ T4076] ret_from_fork+0x10/0x20 [ 85.962674][ T4076] kobject_add_internal failed for hci3:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 85.964905][ T4076] Bluetooth: hci3: failed to register connection device [ 86.041391][ T4076] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci4/hci4:201' [ 86.042835][ T4076] CPU: 0 PID: 4076 Comm: kworker/u5:2 Tainted: G B W syzkaller #0 [ 86.044250][ T4076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 86.045904][ T4076] Workqueue: hci4 hci_rx_work [ 86.046658][ T4076] Call trace: [ 86.047253][ T4076] dump_backtrace+0x0/0x458 [ 86.047983][ T4076] show_stack+0x2c/0x3c [ 86.048678][ T4076] __dump_stack+0x30/0x40 [ 86.049402][ T4076] dump_stack_lvl+0xf4/0x15c [ 86.050190][ T4076] dump_stack+0x1c/0x5c [ 86.050893][ T4076] sysfs_create_dir_ns+0x244/0x264 [ 86.051824][ T4076] kobject_add_internal+0x5ac/0xc3c [ 86.052738][ T4076] kobject_add+0x140/0x20c [ 86.053451][ T4076] device_add+0x3f0/0xf90 [ 86.054215][ T4076] hci_conn_add_sysfs+0xbc/0x1c8 [ 86.055088][ T4076] le_conn_complete_evt+0x9bc/0x11e8 [ 86.055991][ T4076] hci_le_meta_evt+0x220/0x304c [ 86.056824][ T4076] hci_event_packet+0xd2c/0x1208 [ 86.057732][ T4076] hci_rx_work+0x1cc/0x868 [ 86.058478][ T4076] process_one_work+0x79c/0x1138 [ 86.059340][ T4076] worker_thread+0x8f4/0x1034 [ 86.060094][ T4076] kthread+0x374/0x454 [ 86.060759][ T4076] ret_from_fork+0x10/0x20 [ 86.061706][ T4074] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:201' [ 86.063316][ T4074] CPU: 0 PID: 4074 Comm: kworker/u5:1 Tainted: G B W syzkaller #0 [ 86.064810][ T4074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 86.066570][ T4074] Workqueue: hci0 hci_rx_work [ 86.067338][ T4074] Call trace: [ 86.067876][ T4074] dump_backtrace+0x0/0x458 [ 86.068582][ T4074] show_stack+0x2c/0x3c [ 86.069281][ T4074] __dump_stack+0x30/0x40 [ 86.069989][ T4074] dump_stack_lvl+0xf4/0x15c [ 86.070748][ T4074] dump_stack+0x1c/0x5c [ 86.071441][ T4074] sysfs_create_dir_ns+0x244/0x264 [ 86.072297][ T4074] kobject_add_internal+0x5ac/0xc3c [ 86.073206][ T4074] kobject_add+0x140/0x20c [ 86.073910][ T4074] device_add+0x3f0/0xf90 [ 86.074648][ T4074] hci_conn_add_sysfs+0xbc/0x1c8 [ 86.075468][ T4074] le_conn_complete_evt+0x9bc/0x11e8 [ 86.076380][ T4074] hci_le_meta_evt+0x220/0x304c [ 86.077137][ T4074] hci_event_packet+0xd2c/0x1208 [ 86.077935][ T4074] hci_rx_work+0x1cc/0x868 [ 86.078638][ T4074] process_one_work+0x79c/0x1138 [ 86.079380][ T4074] worker_thread+0x8f4/0x1034 [ 86.080086][ T4074] kthread+0x374/0x454 [ 86.080753][ T4074] ret_from_fork+0x10/0x20 [ 86.081928][ T4074] kobject_add_internal failed for hci0:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 86.084082][ T4074] Bluetooth: hci0: failed to register connection device [ 86.085279][ T4076] kobject_add_internal failed for hci4:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 86.087637][ T4076] Bluetooth: hci4: failed to register connection device [ 86.089098][ T4074] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci1/hci1:201' [ 86.090738][ T4074] CPU: 0 PID: 4074 Comm: kworker/u5:1 Tainted: G B W syzkaller #0 [ 86.092206][ T4074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 86.093800][ T4074] Workqueue: hci1 hci_rx_work [ 86.094563][ T4074] Call trace: [ 86.095084][ T4074] dump_backtrace+0x0/0x458 [ 86.095807][ T4074] show_stack+0x2c/0x3c [ 86.096448][ T4074] __dump_stack+0x30/0x40 [ 86.097114][ T4074] dump_stack_lvl+0xf4/0x15c [ 86.097855][ T4074] dump_stack+0x1c/0x5c [ 86.098543][ T4074] sysfs_create_dir_ns+0x244/0x264 [ 86.099367][ T4074] kobject_add_internal+0x5ac/0xc3c [ 86.100153][ T4074] kobject_add+0x140/0x20c [ 86.100892][ T4074] device_add+0x3f0/0xf90 [ 86.101638][ T4074] hci_conn_add_sysfs+0xbc/0x1c8 [ 86.102454][ T4074] le_conn_complete_evt+0x9bc/0x11e8 [ 86.103328][ T4074] hci_le_meta_evt+0x220/0x304c [ 86.104349][ T4074] hci_event_packet+0xd2c/0x1208 [ 86.105203][ T4074] hci_rx_work+0x1cc/0x868 [ 86.105943][ T4074] process_one_work+0x79c/0x1138 [ 86.106783][ T4074] worker_thread+0x8f4/0x1034 [ 86.107551][ T4074] kthread+0x374/0x454 [ 86.108230][ T4074] ret_from_fork+0x10/0x20 [ 86.109530][ T4074] kobject_add_internal failed for hci1:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 86.111830][ T4074] Bluetooth: hci1: failed to register connection device [ 86.119481][ T5810] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 86.121144][ T5810] REISERFS (device loop0): using ordered data mode [ 86.122236][ T5810] reiserfs: using flush barriers [ 86.123343][ T5810] REISERFS warning (device loop0): sh-457 journal_init_dev: journal_init_dev: Cannot open './file2aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa': -2 [ 86.128057][ T5810] REISERFS warning (device loop0): sh-462 journal_init: unable to initialize journal device [ 86.130238][ T5810] REISERFS warning (device loop0): sh-2022 reiserfs_fill_super: unable to initialize journal space [ 86.190960][ T144] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci3/hci3:201' [ 86.192472][ T144] CPU: 1 PID: 144 Comm: kworker/u5:0 Tainted: G B W syzkaller #0 [ 86.193930][ T144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 86.195660][ T144] Workqueue: hci3 hci_rx_work [ 86.196433][ T144] Call trace: [ 86.196951][ T144] dump_backtrace+0x0/0x458 [ 86.197695][ T144] show_stack+0x2c/0x3c [ 86.198355][ T144] __dump_stack+0x30/0x40 [ 86.199086][ T144] dump_stack_lvl+0xf4/0x15c [ 86.199835][ T144] dump_stack+0x1c/0x5c [ 86.200497][ T144] sysfs_create_dir_ns+0x244/0x264 [ 86.201341][ T144] kobject_add_internal+0x5ac/0xc3c [ 86.202187][ T144] kobject_add+0x140/0x20c [ 86.202915][ T144] device_add+0x3f0/0xf90 [ 86.203629][ T144] hci_conn_add_sysfs+0xbc/0x1c8 [ 86.204468][ T144] le_conn_complete_evt+0x9bc/0x11e8 [ 86.205363][ T144] hci_le_meta_evt+0x220/0x304c [ 86.206154][ T144] hci_event_packet+0xd2c/0x1208 [ 86.206943][ T144] hci_rx_work+0x1cc/0x868 [ 86.207644][ T144] process_one_work+0x79c/0x1138 [ 86.208496][ T144] worker_thread+0x8f4/0x1034 [ 86.209326][ T144] kthread+0x374/0x454 [ 86.210044][ T144] ret_from_fork+0x10/0x20 [ 86.211458][ T144] kobject_add_internal failed for hci3:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 86.213503][ T144] Bluetooth: hci3: failed to register connection device [ 86.220471][ T4074] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci2/hci2:201' [ 86.221962][ T4074] CPU: 0 PID: 4074 Comm: kworker/u5:1 Tainted: G B W syzkaller #0 [ 86.223312][ T4074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 86.224894][ T4074] Workqueue: hci2 hci_rx_work [ 86.225614][ T4074] Call trace: [ 86.226080][ T4074] dump_backtrace+0x0/0x458 [ 86.226815][ T4074] show_stack+0x2c/0x3c [ 86.227458][ T4074] __dump_stack+0x30/0x40 [ 86.228198][ T4074] dump_stack_lvl+0xf4/0x15c [ 86.228930][ T4074] dump_stack+0x1c/0x5c [ 86.229666][ T4074] sysfs_create_dir_ns+0x244/0x264 [ 86.230476][ T4074] kobject_add_internal+0x5ac/0xc3c [ 86.231318][ T4074] kobject_add+0x140/0x20c [ 86.232104][ T4074] device_add+0x3f0/0xf90 [ 86.232913][ T4074] hci_conn_add_sysfs+0xbc/0x1c8 [ 86.233798][ T4074] le_conn_complete_evt+0x9bc/0x11e8 [ 86.234704][ T4074] hci_le_meta_evt+0x220/0x304c [ 86.235562][ T4074] hci_event_packet+0xd2c/0x1208 [ 86.236409][ T4074] hci_rx_work+0x1cc/0x868 [ 86.237127][ T4074] process_one_work+0x79c/0x1138 [ 86.237932][ T4074] worker_thread+0x8f4/0x1034 [ 86.238762][ T4074] kthread+0x374/0x454 [ 86.239421][ T4074] ret_from_fork+0x10/0x20 [ 86.241233][ T4176] Bluetooth: hci2: command 0x0406 tx timeout [ 86.242331][ T4074] kobject_add_internal failed for hci2:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 86.244429][ T4074] Bluetooth: hci2: failed to register connection device [ 86.255672][ T5807] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 86.257140][ T5807] REISERFS (device loop3): using ordered data mode [ 86.258237][ T5807] reiserfs: using flush barriers [ 86.259339][ T5807] REISERFS warning (device loop3): sh-457 journal_init_dev: journal_init_dev: Cannot open './file2aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa': -2 [ 86.264253][ T5807] REISERFS warning (device loop3): sh-462 journal_init: unable to initialize journal device [ 86.266135][ T5807] REISERFS warning (device loop3): sh-2022 reiserfs_fill_super: unable to initialize journal space [ 86.308229][ T5822] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 86.309823][ T5822] REISERFS (device loop2): using ordered data mode [ 86.310988][ T5822] reiserfs: using flush barriers [ 86.312109][ T5822] REISERFS warning (device loop2): sh-457 journal_init_dev: journal_init_dev: Cannot open './file2aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa': -2 [ 86.317152][ T5822] REISERFS warning (device loop2): sh-462 journal_init: unable to initialize journal device [ 86.319027][ T5822] REISERFS warning (device loop2): sh-2022 reiserfs_fill_super: unable to initialize journal space [ 86.321580][ T4074] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci1/hci1:201' [ 86.330621][ T4074] CPU: 1 PID: 4074 Comm: kworker/u5:1 Tainted: G B W syzkaller #0 [ 86.332092][ T4074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 86.333839][ T4074] Workqueue: hci1 hci_rx_work [ 86.334642][ T4074] Call trace: [ 86.335192][ T4074] dump_backtrace+0x0/0x458 [ 86.335933][ T4074] show_stack+0x2c/0x3c [ 86.336637][ T4074] __dump_stack+0x30/0x40 [ 86.337361][ T4074] dump_stack_lvl+0xf4/0x15c [ 86.338147][ T4074] dump_stack+0x1c/0x5c [ 86.338854][ T4074] sysfs_create_dir_ns+0x244/0x264 [ 86.339757][ T4074] kobject_add_internal+0x5ac/0xc3c [ 86.340648][ T4074] kobject_add+0x140/0x20c [ 86.341413][ T4074] device_add+0x3f0/0xf90 [ 86.342149][ T4074] hci_conn_add_sysfs+0xbc/0x1c8 [ 86.343033][ T4074] le_conn_complete_evt+0x9bc/0x11e8 [ 86.343956][ T4074] hci_le_meta_evt+0x220/0x304c [ 86.344761][ T4074] hci_event_packet+0xd2c/0x1208 [ 86.345607][ T4074] hci_rx_work+0x1cc/0x868 [ 86.346377][ T4074] process_one_work+0x79c/0x1138 [ 86.347231][ T4074] worker_thread+0x8f4/0x1034 [ 86.348061][ T4074] kthread+0x374/0x454 [ 86.348742][ T4074] ret_from_fork+0x10/0x20 [ 86.350186][ T4074] kobject_add_internal failed for hci1:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 86.352298][ T4074] Bluetooth: hci1: failed to register connection device [ 86.359787][ T5820] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 86.361518][ T5820] REISERFS (device loop4): using ordered data mode [ 86.362589][ T5820] reiserfs: using flush barriers [ 86.363689][ T5820] REISERFS warning (device loop4): sh-457 journal_init_dev: journal_init_dev: Cannot open './file2aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa': -2 [ 86.368628][ T5820] REISERFS warning (device loop4): sh-462 journal_init: unable to initialize journal device [ 86.370494][ T5820] REISERFS warning (device loop4): sh-2022 reiserfs_fill_super: unable to initialize journal space [ 86.445988][ T4074] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci4/hci4:201' [ 86.447500][ T4074] CPU: 1 PID: 4074 Comm: kworker/u5:1 Tainted: G B W syzkaller #0 [ 86.448933][ T4074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 86.450513][ T4074] Workqueue: hci4 hci_rx_work [ 86.451229][ T4074] Call trace: [ 86.451728][ T4074] dump_backtrace+0x0/0x458 [ 86.452470][ T4074] show_stack+0x2c/0x3c [ 86.453151][ T4074] __dump_stack+0x30/0x40 [ 86.453823][ T4074] dump_stack_lvl+0xf4/0x15c [ 86.454574][ T4074] dump_stack+0x1c/0x5c [ 86.455221][ T4074] sysfs_create_dir_ns+0x244/0x264 [ 86.456018][ T4074] kobject_add_internal+0x5ac/0xc3c [ 86.456899][ T4074] kobject_add+0x140/0x20c [ 86.457689][ T4074] device_add+0x3f0/0xf90 [ 86.458441][ T4074] hci_conn_add_sysfs+0xbc/0x1c8 [ 86.459255][ T4074] le_conn_complete_evt+0x9bc/0x11e8 [ 86.460074][ T4074] hci_le_meta_evt+0x220/0x304c [ 86.460863][ T4074] hci_event_packet+0xd2c/0x1208 [ 86.461722][ T4074] hci_rx_work+0x1cc/0x868 [ 86.462428][ T4074] process_one_work+0x79c/0x1138 [ 86.463259][ T4074] worker_thread+0x8f4/0x1034 [ 86.464009][ T4074] kthread+0x374/0x454 [ 86.464681][ T4074] ret_from_fork+0x10/0x20 [ 86.465532][ T4074] kobject_add_internal failed for hci4:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 86.467610][ T4074] Bluetooth: hci4: failed to register connection device [ 86.469068][ T144] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:201' [ 86.470842][ T144] CPU: 1 PID: 144 Comm: kworker/u5:0 Tainted: G B W syzkaller #0 [ 86.472218][ T144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 86.473906][ T144] Workqueue: hci0 hci_rx_work [ 86.474687][ T144] Call trace: [ 86.475247][ T144] dump_backtrace+0x0/0x458 [ 86.476002][ T144] show_stack+0x2c/0x3c [ 86.476692][ T144] __dump_stack+0x30/0x40 [ 86.477444][ T144] dump_stack_lvl+0xf4/0x15c [ 86.478201][ T144] dump_stack+0x1c/0x5c [ 86.478850][ T144] sysfs_create_dir_ns+0x244/0x264 [ 86.479684][ T144] kobject_add_internal+0x5ac/0xc3c [ 86.480526][ T144] kobject_add+0x140/0x20c [ 86.481213][ T144] device_add+0x3f0/0xf90 [ 86.481964][ T144] hci_conn_add_sysfs+0xbc/0x1c8 [ 86.482815][ T144] le_conn_complete_evt+0x9bc/0x11e8 [ 86.483707][ T144] hci_le_meta_evt+0x220/0x304c [ 86.484518][ T144] hci_event_packet+0xd2c/0x1208 [ 86.485348][ T144] hci_rx_work+0x1cc/0x868 [ 86.486077][ T144] process_one_work+0x79c/0x1138 [ 86.486920][ T144] worker_thread+0x8f4/0x1034 [ 86.487700][ T144] kthread+0x374/0x454 [ 86.488455][ T144] ret_from_fork+0x10/0x20 [ 86.490352][ T144] kobject_add_internal failed for hci0:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 86.492499][ T144] Bluetooth: hci0: failed to register connection device [ 86.560318][ T5826] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 86.561957][ T5826] REISERFS (device loop1): using ordered data mode [ 86.563080][ T5826] reiserfs: using flush barriers [ 86.564209][ T5826] REISERFS warning (device loop1): sh-457 journal_init_dev: journal_init_dev: Cannot open './file2aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa': -2 [ 86.568849][ T5826] REISERFS warning (device loop1): sh-462 journal_init: unable to initialize journal device [ 86.570682][ T5826] REISERFS warning (device loop1): sh-2022 reiserfs_fill_super: unable to initialize journal space [ 86.607170][ T144] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci4/hci4:201' [ 86.608673][ T144] CPU: 1 PID: 144 Comm: kworker/u5:0 Tainted: G B W syzkaller #0 [ 86.610250][ T144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 86.612037][ T144] Workqueue: hci4 hci_rx_work [ 86.612866][ T144] Call trace: [ 86.613444][ T144] dump_backtrace+0x0/0x458 [ 86.614206][ T144] show_stack+0x2c/0x3c [ 86.614873][ T144] __dump_stack+0x30/0x40 [ 86.615579][ T144] dump_stack_lvl+0xf4/0x15c [ 86.616379][ T144] dump_stack+0x1c/0x5c [ 86.617048][ T144] sysfs_create_dir_ns+0x244/0x264 [ 86.617869][ T144] kobject_add_internal+0x5ac/0xc3c [ 86.618788][ T144] kobject_add+0x140/0x20c [ 86.619553][ T144] device_add+0x3f0/0xf90 [ 86.620281][ T144] hci_conn_add_sysfs+0xbc/0x1c8 [ 86.621157][ T144] le_conn_complete_evt+0x9bc/0x11e8 [ 86.622108][ T144] hci_le_meta_evt+0x220/0x304c [ 86.622874][ T144] hci_event_packet+0xd2c/0x1208 [ 86.623658][ T144] hci_rx_work+0x1cc/0x868 [ 86.624402][ T144] process_one_work+0x79c/0x1138 [ 86.625282][ T144] worker_thread+0x8f4/0x1034 [ 86.626071][ T144] kthread+0x374/0x454 [ 86.626763][ T144] ret_from_fork+0x10/0x20 [ 86.628150][ T144] kobject_add_internal failed for hci4:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 86.630274][ T144] Bluetooth: hci4: failed to register connection device [ 86.635019][ T144] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci3/hci3:201' [ 86.636529][ T144] CPU: 1 PID: 144 Comm: kworker/u5:0 Tainted: G B W syzkaller #0 [ 86.637994][ T144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 86.639690][ T144] Workqueue: hci3 hci_rx_work [ 86.640500][ T144] Call trace: [ 86.641015][ T144] dump_backtrace+0x0/0x458 [ 86.641767][ T144] show_stack+0x2c/0x3c [ 86.642453][ T144] __dump_stack+0x30/0x40 [ 86.643227][ T144] dump_stack_lvl+0xf4/0x15c [ 86.643981][ T144] dump_stack+0x1c/0x5c [ 86.644671][ T144] sysfs_create_dir_ns+0x244/0x264 [ 86.645517][ T144] kobject_add_internal+0x5ac/0xc3c [ 86.646351][ T144] kobject_add+0x140/0x20c [ 86.647079][ T144] device_add+0x3f0/0xf90 [ 86.647800][ T144] hci_conn_add_sysfs+0xbc/0x1c8 [ 86.648568][ T144] le_conn_complete_evt+0x9bc/0x11e8 [ 86.649452][ T144] hci_le_meta_evt+0x220/0x304c [ 86.650214][ T144] hci_event_packet+0xd2c/0x1208 [ 86.651050][ T144] hci_rx_work+0x1cc/0x868 [ 86.651751][ T144] process_one_work+0x79c/0x1138 [ 86.652539][ T144] worker_thread+0x8f4/0x1034 [ 86.653285][ T144] kthread+0x374/0x454 [ 86.653936][ T144] ret_from_fork+0x10/0x20 [ 86.656459][ T144] kobject_add_internal failed for hci3:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 86.658697][ T144] Bluetooth: hci3: failed to register connection device [ 86.660131][ T4171] Bluetooth: hci1: command 0x0406 tx timeout [ 86.752109][ T144] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci4/hci4:201' [ 86.753686][ T144] CPU: 1 PID: 144 Comm: kworker/u5:0 Tainted: G B W syzkaller #0 [ 86.755165][ T144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 86.756383][ T4074] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci2/hci2:201' [ 86.756823][ T144] Workqueue: hci4 hci_rx_work [ 86.759198][ T144] Call trace: [ 86.759682][ T144] dump_backtrace+0x0/0x458 [ 86.760472][ T144] show_stack+0x2c/0x3c [ 86.761210][ T144] __dump_stack+0x30/0x40 [ 86.761949][ T144] dump_stack_lvl+0xf4/0x15c [ 86.762734][ T144] dump_stack+0x1c/0x5c [ 86.763445][ T144] sysfs_create_dir_ns+0x244/0x264 [ 86.764367][ T144] kobject_add_internal+0x5ac/0xc3c [ 86.765272][ T144] kobject_add+0x140/0x20c [ 86.766024][ T144] device_add+0x3f0/0xf90 [ 86.766768][ T144] hci_conn_add_sysfs+0xbc/0x1c8 [ 86.767556][ T144] le_conn_complete_evt+0x9bc/0x11e8 [ 86.768379][ T144] hci_le_meta_evt+0x220/0x304c [ 86.769184][ T144] hci_event_packet+0xd2c/0x1208 [ 86.770050][ T144] hci_rx_work+0x1cc/0x868 [ 86.770827][ T144] process_one_work+0x79c/0x1138 [ 86.771685][ T144] worker_thread+0x8f4/0x1034 [ 86.772492][ T144] kthread+0x374/0x454 [ 86.773164][ T144] ret_from_fork+0x10/0x20 [ 86.773910][ T4074] CPU: 0 PID: 4074 Comm: kworker/u5:1 Tainted: G B W syzkaller #0 [ 86.774420][ T144] kobject_add_internal failed for hci4:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 86.775301][ T4074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 86.777524][ T144] Bluetooth: hci4: failed to register connection device [ 86.779098][ T4074] Workqueue: hci2 hci_rx_work [ 86.781050][ T4074] Call trace: [ 86.781550][ T4074] dump_backtrace+0x0/0x458 [ 86.782300][ T4074] show_stack+0x2c/0x3c [ 86.782942][ T4074] __dump_stack+0x30/0x40 [ 86.783652][ T4074] dump_stack_lvl+0xf4/0x15c [ 86.784405][ T4074] dump_stack+0x1c/0x5c [ 86.785121][ T4074] sysfs_create_dir_ns+0x244/0x264 [ 86.785954][ T4074] kobject_add_internal+0x5ac/0xc3c [ 86.786797][ T4074] kobject_add+0x140/0x20c [ 86.787556][ T4074] device_add+0x3f0/0xf90 [ 86.788253][ T4074] hci_conn_add_sysfs+0xbc/0x1c8 [ 86.789055][ T4074] le_conn_complete_evt+0x9bc/0x11e8 [ 86.789994][ T4074] hci_le_meta_evt+0x220/0x304c [ 86.790806][ T4074] hci_event_packet+0xd2c/0x1208 [ 86.791654][ T4074] hci_rx_work+0x1cc/0x868 [ 86.792422][ T4074] process_one_work+0x79c/0x1138 [ 86.793284][ T4074] worker_thread+0x8f4/0x1034 [ 86.794107][ T4074] kthread+0x374/0x454 [ 86.794785][ T4074] ret_from_fork+0x10/0x20 [ 86.795592][ T4074] kobject_add_internal failed for hci2:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 86.797864][ T4074] Bluetooth: hci2: failed to register connection device [ 86.837934][ T144] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:201' [ 86.839546][ T144] CPU: 1 PID: 144 Comm: kworker/u5:0 Tainted: G B W syzkaller #0 [ 86.840973][ T144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 86.842635][ T144] Workqueue: hci0 hci_rx_work [ 86.843397][ T144] Call trace: [ 86.843938][ T144] dump_backtrace+0x0/0x458 [ 86.844711][ T144] show_stack+0x2c/0x3c [ 86.845448][ T144] __dump_stack+0x30/0x40 [ 86.846164][ T144] dump_stack_lvl+0xf4/0x15c [ 86.846963][ T144] dump_stack+0x1c/0x5c [ 86.847636][ T144] sysfs_create_dir_ns+0x244/0x264 [ 86.848502][ T144] kobject_add_internal+0x5ac/0xc3c [ 86.849375][ T144] kobject_add+0x140/0x20c [ 86.850127][ T144] device_add+0x3f0/0xf90 [ 86.850859][ T144] hci_conn_add_sysfs+0xbc/0x1c8 [ 86.851645][ T144] le_conn_complete_evt+0x9bc/0x11e8 [ 86.852515][ T144] hci_le_meta_evt+0x220/0x304c [ 86.853309][ T144] hci_event_packet+0xd2c/0x1208 [ 86.854116][ T144] hci_rx_work+0x1cc/0x868 [ 86.854838][ T144] process_one_work+0x79c/0x1138 [ 86.855639][ T144] worker_thread+0x8f4/0x1034 [ 86.856404][ T144] kthread+0x374/0x454 [ 86.857053][ T144] ret_from_fork+0x10/0x20 [ 86.859868][ T144] kobject_add_internal failed for hci0:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 86.862307][ T144] Bluetooth: hci0: failed to register connection device [ 86.889389][ T4074] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci3/hci3:201' [ 86.891304][ T4074] CPU: 0 PID: 4074 Comm: kworker/u5:1 Tainted: G B W syzkaller #0 [ 86.892695][ T4074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 86.894307][ T4074] Workqueue: hci3 hci_rx_work [ 86.895075][ T4074] Call trace: [ 86.895562][ T4074] dump_backtrace+0x0/0x458 [ 86.896371][ T4074] show_stack+0x2c/0x3c [ 86.897128][ T4074] __dump_stack+0x30/0x40 [ 86.897864][ T4074] dump_stack_lvl+0xf4/0x15c [ 86.898648][ T4074] dump_stack+0x1c/0x5c [ 86.899428][ T4074] sysfs_create_dir_ns+0x244/0x264 [ 86.900291][ T4074] kobject_add_internal+0x5ac/0xc3c [ 86.901103][ T4074] kobject_add+0x140/0x20c [ 86.901836][ T4074] device_add+0x3f0/0xf90 [ 86.902544][ T4074] hci_conn_add_sysfs+0xbc/0x1c8 [ 86.903365][ T4074] le_conn_complete_evt+0x9bc/0x11e8 [ 86.904276][ T4074] hci_le_meta_evt+0x220/0x304c [ 86.905103][ T4074] hci_event_packet+0xd2c/0x1208 [ 86.905880][ T4074] hci_rx_work+0x1cc/0x868 [ 86.906582][ T4074] process_one_work+0x79c/0x1138 [ 86.907364][ T4074] worker_thread+0x8f4/0x1034 [ 86.908117][ T4074] kthread+0x374/0x454 [ 86.908800][ T4074] ret_from_fork+0x10/0x20 [ 86.909621][ T4074] kobject_add_internal failed for hci3:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 86.912052][ T4074] Bluetooth: hci3: failed to register connection device [ 86.960233][ T5853] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 86.961657][ T5853] REISERFS (device loop2): using ordered data mode [ 86.962712][ T5853] reiserfs: using flush barriers [ 86.963806][ T5853] REISERFS warning (device loop2): sh-457 journal_init_dev: journal_init_dev: Cannot open './file2aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa': -2 [ 86.968748][ T5853] REISERFS warning (device loop2): sh-462 journal_init: unable to initialize journal device [ 86.970036][ T4229] Bluetooth: hci4: command 0x0406 tx timeout [ 86.970702][ T5853] REISERFS warning (device loop2): sh-2022 reiserfs_fill_super: unable to initialize journal space [ 86.973438][ T4076] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci4/hci4:201' [ 86.974919][ T4076] CPU: 1 PID: 4076 Comm: kworker/u5:2 Tainted: G B W syzkaller #0 [ 86.976471][ T4076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 86.978021][ T4076] Workqueue: hci4 hci_rx_work [ 86.978821][ T4076] Call trace: [ 86.979343][ T4076] dump_backtrace+0x0/0x458 [ 86.980090][ T4076] show_stack+0x2c/0x3c [ 86.980795][ T4076] __dump_stack+0x30/0x40 [ 86.981533][ T4076] dump_stack_lvl+0xf4/0x15c [ 86.982269][ T4076] dump_stack+0x1c/0x5c [ 86.982911][ T4076] sysfs_create_dir_ns+0x244/0x264 [ 86.983732][ T4076] kobject_add_internal+0x5ac/0xc3c [ 86.984628][ T4076] kobject_add+0x140/0x20c [ 86.985350][ T4076] device_add+0x3f0/0xf90 [ 86.986033][ T4076] hci_conn_add_sysfs+0xbc/0x1c8 [ 86.986855][ T4076] le_conn_complete_evt+0x9bc/0x11e8 [ 86.987777][ T4076] hci_le_meta_evt+0x220/0x304c [ 86.988588][ T4076] hci_event_packet+0xd2c/0x1208 [ 86.989448][ T4076] hci_rx_work+0x1cc/0x868 [ 86.990214][ T4076] process_one_work+0x79c/0x1138 [ 86.991092][ T4076] worker_thread+0x8f4/0x1034 [ 86.991920][ T4076] kthread+0x374/0x454 [ 86.992561][ T4076] ret_from_fork+0x10/0x20 [ 86.993493][ T4076] kobject_add_internal failed for hci4:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 86.995592][ T4076] Bluetooth: hci4: failed to register connection device [ 87.039290][ T5847] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 87.041343][ T5847] REISERFS (device loop0): using ordered data mode [ 87.042311][ T5847] reiserfs: using flush barriers [ 87.043328][ T5847] REISERFS warning (device loop0): sh-457 journal_init_dev: journal_init_dev: Cannot open './file2aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa': -2 [ 87.047631][ T5847] REISERFS warning (device loop0): sh-462 journal_init: unable to initialize journal device [ 87.049336][ T5847] REISERFS warning (device loop0): sh-2022 reiserfs_fill_super: unable to initialize journal space [ 87.076746][ T4076] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci1/hci1:201' [ 87.078236][ T4076] CPU: 1 PID: 4076 Comm: kworker/u5:2 Tainted: G B W syzkaller #0 [ 87.079743][ T4076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 87.081435][ T4076] Workqueue: hci1 hci_rx_work [ 87.082470][ T4076] Call trace: [ 87.083027][ T4076] dump_backtrace+0x0/0x458 [ 87.083739][ T4076] show_stack+0x2c/0x3c [ 87.084427][ T4076] __dump_stack+0x30/0x40 [ 87.085130][ T4076] dump_stack_lvl+0xf4/0x15c [ 87.085921][ T4076] dump_stack+0x1c/0x5c [ 87.086637][ T4076] sysfs_create_dir_ns+0x244/0x264 [ 87.087416][ T4076] kobject_add_internal+0x5ac/0xc3c [ 87.088267][ T4076] kobject_add+0x140/0x20c [ 87.088967][ T4076] device_add+0x3f0/0xf90 [ 87.089614][ T4076] hci_conn_add_sysfs+0xbc/0x1c8 [ 87.090398][ T4076] le_conn_complete_evt+0x9bc/0x11e8 [ 87.091226][ T4076] hci_le_meta_evt+0x220/0x304c [ 87.091981][ T4076] hci_event_packet+0xd2c/0x1208 [ 87.092766][ T4076] hci_rx_work+0x1cc/0x868 [ 87.093500][ T4076] process_one_work+0x79c/0x1138 [ 87.094348][ T4076] worker_thread+0x8f4/0x1034 [ 87.095147][ T4076] kthread+0x374/0x454 [ 87.095855][ T4076] ret_from_fork+0x10/0x20 [ 87.097221][ T5855] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 87.097966][ T4076] kobject_add_internal failed for hci1:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 87.098730][ T5855] REISERFS (device loop4): using ordered data mode [ 87.100856][ T4076] Bluetooth: hci1: failed to register connection device [ 87.103023][ T5855] reiserfs: using flush barriers [ 87.104063][ T5855] REISERFS warning (device loop4): sh-457 journal_init_dev: journal_init_dev: Cannot open './file2aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa': -2 [ 87.109057][ T5855] REISERFS warning (device loop4): sh-462 journal_init: unable to initialize journal device [ 87.110975][ T5855] REISERFS warning (device loop4): sh-2022 reiserfs_fill_super: unable to initialize journal space [ 87.134964][ T5857] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 87.136517][ T5857] REISERFS (device loop3): using ordered data mode [ 87.137610][ T5857] reiserfs: using flush barriers [ 87.138696][ T5857] REISERFS warning (device loop3): sh-457 journal_init_dev: journal_init_dev: Cannot open './file2aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa': -2 [ 87.143523][ T5857] REISERFS warning (device loop3): sh-462 journal_init: unable to initialize journal device [ 87.145375][ T5857] REISERFS warning (device loop3): sh-2022 reiserfs_fill_super: unable to initialize journal space 1970/01/01 00:01:27 executed programs: 113 [ 87.269132][ T144] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci3/hci3:201' [ 87.270654][ T144] CPU: 1 PID: 144 Comm: kworker/u5:0 Tainted: G B W syzkaller #0 [ 87.272190][ T144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 87.273919][ T144] Workqueue: hci3 hci_rx_work [ 87.274698][ T144] Call trace: [ 87.275246][ T144] dump_backtrace+0x0/0x458 [ 87.276010][ T144] show_stack+0x2c/0x3c [ 87.276656][ T144] __dump_stack+0x30/0x40 [ 87.277399][ T144] dump_stack_lvl+0xf4/0x15c [ 87.278087][ T144] dump_stack+0x1c/0x5c [ 87.278723][ T144] sysfs_create_dir_ns+0x244/0x264 [ 87.279497][ T144] kobject_add_internal+0x5ac/0xc3c [ 87.280382][ T144] kobject_add+0x140/0x20c [ 87.281076][ T144] device_add+0x3f0/0xf90 [ 87.281789][ T144] hci_conn_add_sysfs+0xbc/0x1c8 [ 87.282631][ T144] le_conn_complete_evt+0x9bc/0x11e8 [ 87.283545][ T144] hci_le_meta_evt+0x220/0x304c [ 87.284323][ T144] hci_event_packet+0xd2c/0x1208 [ 87.285154][ T144] hci_rx_work+0x1cc/0x868 [ 87.285910][ T144] process_one_work+0x79c/0x1138 [ 87.286678][ T144] worker_thread+0x8f4/0x1034 [ 87.287458][ T144] kthread+0x374/0x454 [ 87.288153][ T144] ret_from_fork+0x10/0x20 [ 87.291985][ T144] kobject_add_internal failed for hci3:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 87.294077][ T144] Bluetooth: hci3: failed to register connection device [ 87.376888][ T4856] Unable to handle kernel NULL pointer dereference at virtual address 00000000000000c0 [ 87.378373][ T4856] Mem abort info: [ 87.379381][ T144] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:201' [ 87.380912][ T144] CPU: 1 PID: 144 Comm: kworker/u5:0 Tainted: G B W syzkaller #0 [ 87.382366][ T144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 87.384203][ T144] Workqueue: hci0 hci_rx_work [ 87.385013][ T144] Call trace: [ 87.385550][ T144] dump_backtrace+0x0/0x458 [ 87.386335][ T144] show_stack+0x2c/0x3c [ 87.387014][ T144] __dump_stack+0x30/0x40 [ 87.387756][ T144] dump_stack_lvl+0xf4/0x15c [ 87.388539][ T144] dump_stack+0x1c/0x5c [ 87.389202][ T144] sysfs_create_dir_ns+0x244/0x264 [ 87.390028][ T144] kobject_add_internal+0x5ac/0xc3c [ 87.390906][ T144] kobject_add+0x140/0x20c [ 87.391659][ T144] device_add+0x3f0/0xf90 [ 87.392379][ T144] hci_conn_add_sysfs+0xbc/0x1c8 [ 87.393134][ T144] le_conn_complete_evt+0x9bc/0x11e8 [ 87.394022][ T144] hci_le_meta_evt+0x220/0x304c [ 87.394787][ T144] hci_event_packet+0xd2c/0x1208 [ 87.395633][ T144] hci_rx_work+0x1cc/0x868 [ 87.396317][ T144] process_one_work+0x79c/0x1138 [ 87.397125][ T144] worker_thread+0x8f4/0x1034 [ 87.397880][ T144] kthread+0x374/0x454 [ 87.398461][ T5890] set_capacity_and_notify: 28 callbacks suppressed [ 87.398469][ T5890] loop0: detected capacity change from 0 to 8192 [ 87.398616][ T144] ret_from_fork+0x10/0x20 [ 87.402749][ T4076] Unable to handle kernel paging request at virtual address 006c2c6d2eccac8c [ 87.404143][ T4076] Mem abort info: [ 87.404712][ T4076] ESR = 0x0000000096000004 [ 87.405429][ T4076] EC = 0x25: DABT (current EL), IL = 32 bits [ 87.405667][ T4074] list_add corruption. prev->next should be next (ffff0000c084b000), but was 0000000000000000. (prev=ffff0000ecc7a428). [ 87.406421][ T4076] SET = 0, FnV = 0 [ 87.408646][ T4074] ------------[ cut here ]------------ [ 87.409158][ T4076] EA = 0, S1PTW = 0 [ 87.410094][ T4074] kernel BUG at lib/list_debug.c:32! [ 87.410106][ T4074] Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP [ 87.410121][ T4074] Modules linked in: [ 87.410130][ T4074] CPU: 0 PID: 4074 Comm: kworker/u5:1 Tainted: G B W syzkaller #0 [ 87.410138][ T4074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 87.410142][ T4074] Workqueue: hci3 hci_rx_work [ 87.410152][ T4074] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 87.410158][ T4074] pc : __list_add_valid+0x10c/0x110 [ 87.410165][ T4074] lr : __list_add_valid+0x10c/0x110 [ 87.410169][ T4074] sp : ffff80001f6f7360 [ 87.410171][ T4074] x29: ffff80001f6f7360 x28: 1fffe00018bf8c88 [ 87.411703][ T4076] FSC = 0x04: level 0 translation fault [ 87.411768][ T4074] x27: dfff800000000000 [ 87.413051][ T4076] Data abort info: [ 87.413641][ T4074] [ 87.413647][ T4074] x26: ffff0000c084b008 [ 87.415017][ T4076] ISV = 0, ISS = 0x00000004 [ 87.416697][ T4074] x25: ffff0000c084b000 [ 87.417453][ T4076] CM = 0, WnR = 0 [ 87.418702][ T4074] x24: ffff0000ecc7a428 [ 87.419551][ T4076] [006c2c6d2eccac8c] address between user and kernel address ranges [ 87.420422][ T4074] [ 87.420427][ T4074] x23: dfff800000000000 x22: ffff0000c084b008 x21: ffff0000c5fc6428 [ 87.420447][ T4074] x20: ffff0000ecc7a428 x19: ffff0000c084b000 x18: 0000000000000002 [ 87.420456][ T4074] x17: 3030306234383063 x16: ffff80001125f0fc x15: 28207478656e2065 [ 87.433957][ T4074] x14: 0000000000000003 x13: 1ffff00003eded68 x12: 0000000000ff0100 [ 87.435310][ T4074] x11: 0000000000000001 x10: 0000000000000000 x9 : df5bcdbc1f067f00 [ 87.436676][ T4074] x8 : df5bcdbc1f067f00 x7 : 0000000000000000 x6 : ffff8000082fbccc [ 87.438037][ T4074] x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000010 [ 87.439382][ T4074] x2 : 0000000000000008 x1 : 0000000100000001 x0 : 0000000000000075 [ 87.440738][ T4074] Call trace: [ 87.441297][ T4074] __list_add_valid+0x10c/0x110 [ 87.442101][ T4074] kobject_add_internal+0x350/0xc3c [ 87.442987][ T4074] kobject_add+0x140/0x20c [ 87.443789][ T4074] device_add+0x3f0/0xf90 [ 87.444536][ T4074] hci_conn_add_sysfs+0xbc/0x1c8 [ 87.445386][ T4074] le_conn_complete_evt+0x9bc/0x11e8 [ 87.446333][ T4074] hci_le_meta_evt+0x220/0x304c [ 87.447145][ T4074] hci_event_packet+0xd2c/0x1208 [ 87.447984][ T4074] hci_rx_work+0x1cc/0x868 [ 87.448722][ T4074] process_one_work+0x79c/0x1138 [ 87.449632][ T4074] worker_thread+0x8f4/0x1034 [ 87.450404][ T4074] kthread+0x374/0x454 [ 87.451141][ T4074] ret_from_fork+0x10/0x20 [ 87.451973][ T4074] Code: 91278000 aa1303e1 aa1403e3 95a7a093 (d4210000) [ 87.453241][ T4074] ---[ end trace 3c5b07753b142775 ]--- [ 87.744063][ T4074] Kernel panic - not syncing: Oops - BUG: Fatal exception [ 87.745211][ T4074] SMP: stopping secondary CPUs [ 88.817093][ T4074] SMP: failed to stop secondary CPUs 0-1 [ 88.817953][ T4074] Kernel Offset: disabled [ 88.818623][ T4074] CPU features: 0x8,000003c1,7d33ffd9 [ 88.819581][ T4074] Memory Limit: none [ 89.103952][ T4074] Rebooting in 86400 seconds..