Warning: Permanently added '10.128.10.17' (ED25519) to the list of known hosts. 1970/01/01 00:00:59 parsed 1 programs [ 60.959390][ T4721] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 63.536194][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 63.537656][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 63.539031][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 63.557504][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 63.558919][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 63.560378][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 63.586824][ T4768] chnl_net:caif_netlink_parms(): no params data found [ 63.687529][ T4768] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.688831][ T4768] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.690419][ T4768] device bridge_slave_0 entered promiscuous mode [ 63.702357][ T4768] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.703608][ T4768] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.705223][ T4768] device bridge_slave_1 entered promiscuous mode [ 63.739454][ T4768] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.778277][ T4768] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.812195][ T4768] team0: Port device team_slave_0 added [ 63.820806][ T4768] team0: Port device team_slave_1 added [ 63.829901][ T4768] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 63.831175][ T4768] 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. [ 63.835566][ T4768] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 63.841200][ T4768] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 63.842272][ T4768] 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. [ 63.846467][ T4768] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 63.898966][ T4768] device hsr_slave_0 entered promiscuous mode [ 63.937510][ T4768] device hsr_slave_1 entered promiscuous mode [ 64.589258][ T4768] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 64.628538][ T4768] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 64.669134][ T4768] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 64.699031][ T4768] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 64.772040][ T4768] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.776115][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.777928][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.782019][ T4768] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.784990][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.786596][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.789852][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.791067][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.796001][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.800130][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.801675][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.803274][ T570] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.804395][ T570] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.808994][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.812035][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.815334][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.816971][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.819425][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.823708][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.825629][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.829011][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.830692][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.833407][ T4768] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 64.835532][ T4768] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.838038][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.840867][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.901749][ T4768] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.908262][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 64.909561][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 64.910770][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 64.912932][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 64.920780][ T4768] device veth0_vlan entered promiscuous mode [ 64.924162][ T4768] device veth1_vlan entered promiscuous mode [ 64.926962][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 64.928959][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 64.930935][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 64.932524][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 64.934050][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 64.935551][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 64.942877][ T4768] device veth0_macvtap entered promiscuous mode [ 64.945208][ T4768] device veth1_macvtap entered promiscuous mode [ 64.964699][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 64.966389][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 64.968686][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 64.970264][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 64.975605][ T4768] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 64.977664][ T265] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 64.979281][ T265] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 64.981966][ T4768] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 64.983378][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 64.984906][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 64.989830][ T4768] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.991331][ T4768] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.992851][ T4768] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.994347][ T4768] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:01:05 executed programs: 0 [ 65.309987][ T4944] chnl_net:caif_netlink_parms(): no params data found [ 65.335905][ T4931] chnl_net:caif_netlink_parms(): no params data found [ 65.382432][ T4934] chnl_net:caif_netlink_parms(): no params data found [ 65.423635][ T4944] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.424883][ T4944] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.426483][ T4944] device bridge_slave_0 entered promiscuous mode [ 65.441328][ T4931] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.442738][ T4931] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.444425][ T4931] device bridge_slave_0 entered promiscuous mode [ 65.446213][ T4944] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.447508][ T4944] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.449216][ T4944] device bridge_slave_1 entered promiscuous mode [ 65.464001][ T4934] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.465264][ T4934] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.466819][ T4934] device bridge_slave_0 entered promiscuous mode [ 65.470277][ T4931] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.471504][ T4931] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.473141][ T4931] device bridge_slave_1 entered promiscuous mode [ 65.485319][ T4944] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.487161][ T4934] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.489148][ T4934] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.490680][ T4934] device bridge_slave_1 entered promiscuous mode [ 65.503766][ T4931] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.506951][ T4944] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.510411][ T4931] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.516904][ T4943] chnl_net:caif_netlink_parms(): no params data found [ 65.526360][ T4944] team0: Port device team_slave_0 added [ 65.532554][ T4942] chnl_net:caif_netlink_parms(): no params data found [ 65.546498][ T4934] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.553122][ T4934] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.562007][ T4944] team0: Port device team_slave_1 added [ 65.573005][ T4931] team0: Port device team_slave_0 added [ 65.591356][ T4931] team0: Port device team_slave_1 added [ 65.592725][ T4944] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 65.594006][ T4944] 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. [ 65.598536][ T4944] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 65.610421][ T4934] team0: Port device team_slave_0 added [ 65.616943][ T4944] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 65.618619][ T4944] 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. [ 65.622489][ T4944] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 65.638246][ T4934] team0: Port device team_slave_1 added [ 65.639392][ T4943] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.641084][ T4943] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.642781][ T4943] device bridge_slave_0 entered promiscuous mode [ 65.649178][ T4942] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.650375][ T4942] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.651985][ T4942] device bridge_slave_0 entered promiscuous mode [ 65.662539][ T4931] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 65.663738][ T4931] 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. [ 65.668465][ T4931] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 65.682248][ T4943] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.683460][ T4943] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.685173][ T4943] device bridge_slave_1 entered promiscuous mode [ 65.686671][ T4942] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.696470][ T4942] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.698391][ T4942] device bridge_slave_1 entered promiscuous mode [ 65.704323][ T4931] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 65.705544][ T4931] 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. [ 65.714132][ T4931] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 65.769076][ T4944] device hsr_slave_0 entered promiscuous mode [ 65.817767][ T4944] device hsr_slave_1 entered promiscuous mode [ 65.847495][ T4944] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.848769][ T4944] Cannot create hsr debugfs directory [ 65.865256][ T4943] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.867215][ T4934] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 65.868972][ T4934] 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. [ 65.873265][ T4934] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 65.883761][ T4942] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.886339][ T4943] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.893339][ T4934] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 65.894551][ T4934] 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. [ 65.899506][ T4934] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 65.906665][ T4942] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.912885][ T4943] team0: Port device team_slave_0 added [ 65.978747][ T4931] device hsr_slave_0 entered promiscuous mode [ 66.017628][ T4931] device hsr_slave_1 entered promiscuous mode [ 66.047835][ T4931] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.049146][ T4931] Cannot create hsr debugfs directory [ 66.051060][ T4943] team0: Port device team_slave_1 added [ 66.073827][ T4942] team0: Port device team_slave_0 added [ 66.075826][ T4942] team0: Port device team_slave_1 added [ 66.128813][ T4934] device hsr_slave_0 entered promiscuous mode [ 66.141562][ T4934] device hsr_slave_1 entered promiscuous mode [ 66.167540][ T4934] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.168876][ T4934] Cannot create hsr debugfs directory [ 66.170336][ T4943] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 66.171532][ T4943] 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. [ 66.175776][ T4943] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 66.179012][ T4943] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 66.180158][ T4943] 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. [ 66.184412][ T4943] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 66.209719][ T4942] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 66.210961][ T4942] 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. [ 66.215053][ T4942] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 66.318772][ T4943] device hsr_slave_0 entered promiscuous mode [ 66.377863][ T4943] device hsr_slave_1 entered promiscuous mode [ 66.417337][ T4943] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.418641][ T4943] Cannot create hsr debugfs directory [ 66.420116][ T4942] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 66.421244][ T4942] 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. [ 66.425534][ T4942] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 66.473667][ T4944] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 66.518257][ T4944] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 66.568906][ T4944] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 66.605882][ T4931] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 66.649098][ T4942] device hsr_slave_0 entered promiscuous mode [ 66.678305][ T4942] device hsr_slave_1 entered promiscuous mode [ 66.737402][ T4942] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.738768][ T4942] Cannot create hsr debugfs directory [ 66.752082][ T4944] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 66.897758][ T4944] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.902453][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.904068][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.906886][ T4944] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.913448][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.915184][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.916725][ T570] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.917899][ T570] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.920055][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.922097][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.923708][ T570] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.924833][ T570] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.926283][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.935678][ T4944] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 66.938035][ T4944] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 66.942344][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.946029][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.951780][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.954054][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.955631][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.958953][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.960654][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.962116][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.963790][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.965466][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.970001][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.971665][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.999349][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 67.000698][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 67.003943][ T4944] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.011558][ T265] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 67.013180][ T265] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 67.020509][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 67.022206][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 67.023850][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 67.025361][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 67.029532][ T4944] device veth0_vlan entered promiscuous mode [ 67.033224][ T4944] device veth1_vlan entered promiscuous mode [ 67.041528][ T4944] device veth0_macvtap entered promiscuous mode [ 67.043746][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 67.045439][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 67.046931][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 67.050708][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 67.052347][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 67.054114][ T4944] device veth1_macvtap entered promiscuous mode [ 67.061018][ T4944] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 67.062882][ T4944] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 67.066540][ T4944] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 67.068324][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 67.070023][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 67.071697][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 67.074566][ T4944] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 67.076382][ T4944] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 67.079437][ T4944] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 67.080653][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 67.082490][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 67.087901][ T4944] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.089453][ T4944] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.090896][ T4944] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.092509][ T4944] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.117139][ T570] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.118607][ T570] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 67.120001][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 67.127786][ T4228] Bluetooth: hci0: command 0x0409 tx timeout [ 67.129032][ T4228] Bluetooth: hci1: command 0x0409 tx timeout [ 67.135842][ T148] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.137128][ T148] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 67.138907][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 67.207407][ T4228] Bluetooth: hci3: command 0x0409 tx timeout [ 67.208525][ T4228] Bluetooth: hci2: command 0x0409 tx timeout [ 67.287713][ T4163] Bluetooth: hci4: command 0x0409 tx timeout [ 67.344319][ T5152] loop2: detected capacity change from 0 to 32768 [ 67.381942][ T5152] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 67.383486][ T5152] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 67.401679][ T5152] gfs2: fsid=syz:syz.s: journal 0 mapped with 1 extents in 0ms [ 67.440682][ T5152] gfs2: fsid=syz:syz.s: first mount done, others may mount [ 67.840048][ T5205] loop2: detected capacity change from 0 to 32768 [ 67.933211][ T5205] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 67.934644][ T5205] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 67.945182][ T5205] gfs2: fsid=syz:syz.s: journal 0 mapped with 1 extents in 0ms [ 67.974404][ T5205] gfs2: fsid=syz:syz.s: first mount done, others may mount [ 68.334743][ T5207] loop2: detected capacity change from 0 to 32768 [ 68.342909][ T5207] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 68.344439][ T5207] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 68.354800][ T5207] gfs2: fsid=syz:syz.s: journal 0 mapped with 1 extents in 0ms [ 68.385766][ T5207] gfs2: fsid=syz:syz.s: first mount done, others may mount [ 68.735732][ T5209] loop2: detected capacity change from 0 to 32768 [ 68.778976][ T5209] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 68.780468][ T5209] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 68.803438][ T5209] gfs2: fsid=syz:syz.s: journal 0 mapped with 1 extents in 0ms [ 68.834307][ T5209] gfs2: fsid=syz:syz.s: first mount done, others may mount [ 69.200938][ T5211] loop2: detected capacity change from 0 to 32768 [ 69.206053][ T5211] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 69.211791][ T5211] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 69.217397][ T4162] Bluetooth: hci1: command 0x041b tx timeout [ 69.218628][ T4162] Bluetooth: hci0: command 0x041b tx timeout [ 69.219758][ T5211] gfs2: fsid=syz:syz.s: journal 0 mapped with 1 extents in 0ms [ 69.255601][ T5211] gfs2: fsid=syz:syz.s: first mount done, others may mount [ 69.287506][ T4162] Bluetooth: hci2: command 0x041b tx timeout [ 69.292691][ T4162] Bluetooth: hci3: command 0x041b tx timeout [ 69.377588][ T4162] Bluetooth: hci4: command 0x041b tx timeout [ 69.441400][ T4931] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 69.594538][ T5213] loop2: detected capacity change from 0 to 32768 [ 69.618630][ T2064] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.619409][ T7] cfg80211: failed to load regulatory.db [ 69.619837][ T2064] ieee802154 phy1 wpan1: encryption failed: -22 [ 69.638969][ T5213] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 69.640410][ T5213] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 69.646818][ T5213] gfs2: fsid=syz:syz.s: journal 0 mapped with 1 extents in 0ms [ 69.674157][ T5213] gfs2: fsid=syz:syz.s: first mount done, others may mount [ 70.212393][ T4931] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 70.253689][ T5216] loop2: detected capacity change from 0 to 32768 [ 70.282708][ T5216] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 70.283973][ T5216] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 70.295216][ T5216] gfs2: fsid=syz:syz.s: journal 0 mapped with 1 extents in 0ms [ 70.315018][ T4931] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 70.322961][ T5216] gfs2: fsid=syz:syz.s: first mount done, others may mount [ 70.451965][ T4934] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 70.471302][ T4934] netdevsim netdevsim1 netdevsim1: renamed from eth1 1970/01/01 00:01:10 executed programs: 17 [ 70.643586][ T5218] loop2: detected capacity change from 0 to 32768 [ 70.678857][ T5218] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 70.680165][ T5218] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 70.691733][ T5218] gfs2: fsid=syz:syz.s: journal 0 mapped with 1 extents in 0ms [ 70.720655][ T5218] gfs2: fsid=syz:syz.s: first mount done, others may mount [ 70.789624][ T4934] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 70.859741][ T4934] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 70.879474][ T4943] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 70.918557][ T4943] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 70.949738][ T4943] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 71.043568][ T4943] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 71.124998][ T5227] loop2: detected capacity change from 0 to 32768 [ 71.155479][ T5227] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 71.156954][ T5227] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 71.177963][ T5227] gfs2: fsid=syz:syz.s: journal 0 mapped with 1 extents in 0ms [ 71.178500][ T4934] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.184043][ T4934] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.198332][ T4934] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 71.200112][ T4934] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 71.214983][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.216567][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.219036][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.220674][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.224237][ T570] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.225323][ T570] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.237741][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.246016][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.251970][ T570] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.253041][ T570] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.254516][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.256279][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.257910][ T5227] gfs2: fsid=syz:syz.s: first mount done, others may mount [ 71.259731][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.262171][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.265557][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.267218][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.287821][ T4162] Bluetooth: hci0: command 0x040f tx timeout [ 71.288941][ T4162] Bluetooth: hci1: command 0x040f tx timeout [ 71.294261][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.295828][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.298563][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.300216][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.301810][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.303311][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.304880][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.368929][ T7] Bluetooth: hci3: command 0x040f tx timeout [ 71.372933][ T7] Bluetooth: hci2: command 0x040f tx timeout [ 71.399376][ T4943] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.408549][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.413147][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.416093][ T4943] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.419714][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.421318][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.422841][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.423978][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.431065][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.440050][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.441291][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.447943][ T7] Bluetooth: hci4: command 0x040f tx timeout [ 71.450124][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.451767][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.453197][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.454372][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.464073][ T4934] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.518375][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.553873][ T4943] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 71.555629][ T4943] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 71.558925][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 71.560455][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 71.562042][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.563765][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.565632][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.571866][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.573622][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.575181][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.576650][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.580381][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.582063][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.586489][ T4934] device veth0_vlan entered promiscuous mode [ 71.593523][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.595492][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.596989][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 71.599650][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 71.601319][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 71.602717][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 71.605837][ T4934] device veth1_vlan entered promiscuous mode [ 71.634670][ T4934] device veth0_macvtap entered promiscuous mode [ 71.648493][ T288] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 71.650224][ T288] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 71.651868][ T288] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 71.653455][ T288] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 71.654983][ T288] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 71.667027][ T4934] device veth1_macvtap entered promiscuous mode [ 71.673464][ T4934] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 71.675196][ T4934] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 71.676804][ T4934] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 71.679008][ T4934] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 71.683467][ T4934] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 71.694873][ T4934] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 71.696717][ T4934] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 71.700834][ T4934] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 71.702601][ T4934] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 71.705533][ T4934] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 71.706849][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 71.708982][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 71.710623][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 71.712192][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 71.720528][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 71.746246][ T4943] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.752059][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.753513][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.756872][ T4934] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.760192][ T4934] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.761551][ T4934] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.762966][ T4934] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.803216][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 71.805031][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 71.848208][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 71.850030][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 71.851606][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 71.852990][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 71.868679][ T4943] device veth0_vlan entered promiscuous mode [ 71.872442][ T4931] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 71.919931][ T4942] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 71.964792][ T4931] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 71.982583][ T5293] loop2: detected capacity change from 0 to 32768 [ 71.989107][ T5293] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 71.990420][ T5293] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 71.999333][ T4931] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 72.004854][ T5293] gfs2: fsid=syz:syz.s: journal 0 mapped with 1 extents in 0ms [ 72.034951][ T5293] gfs2: fsid=syz:syz.s: first mount done, others may mount [ 72.068249][ T4943] device veth1_vlan entered promiscuous mode [ 72.069940][ T4942] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 72.100712][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 72.105945][ T4931] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 72.159502][ T4942] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 72.198574][ T4942] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 72.260412][ T148] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 72.260675][ T4943] device veth0_macvtap entered promiscuous mode [ 72.261847][ T148] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 72.263584][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 72.265706][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 72.273621][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 72.275134][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 72.296345][ T4943] device veth1_macvtap entered promiscuous mode [ 72.356244][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 72.359313][ T4943] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 72.360989][ T4943] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 72.362570][ T4943] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 72.364248][ T4943] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 72.365864][ T4943] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 72.368177][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 72.376686][ T4943] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 72.380346][ T4943] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 72.383138][ T4943] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 72.384905][ T4943] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 72.386945][ T4943] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 72.389336][ T4943] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 72.391921][ T4943] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 72.393797][ T4943] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 72.397808][ T4943] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 72.401204][ T4943] netdevsim netdevsim3 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.402679][ T4943] netdevsim netdevsim3 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.404125][ T4943] netdevsim netdevsim3 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.405701][ T4943] netdevsim netdevsim3 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.419060][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 72.420728][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 72.422293][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 72.423874][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 72.425432][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 72.427027][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 72.464176][ T4942] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.545047][ T4931] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.552070][ T5330] loop2: detected capacity change from 0 to 32768 [ 72.559832][ T4942] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.561152][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.562682][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.574455][ T5330] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 72.575775][ T5330] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 72.604525][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.606693][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.612277][ T148] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.613480][ T148] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.634359][ T5330] gfs2: fsid=syz:syz.s: journal 0 mapped with 1 extents in 0ms [ 72.637872][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.641528][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.649998][ T148] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.651254][ T148] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.652765][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.672561][ T4931] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.695743][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 72.697755][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.699288][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.701663][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.704625][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.706598][ T5330] gfs2: fsid=syz:syz.s: first mount done, others may mount [ 72.707214][ T148] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.708987][ T148] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.719124][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.720739][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.726835][ T148] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.728113][ T148] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.734020][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 72.735923][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.753806][ T148] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 72.755002][ T148] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 72.762225][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 72.763993][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 72.767629][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.772247][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 72.773793][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.776848][ T5341] loop1: detected capacity change from 0 to 32768 [ 72.784245][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 72.797228][ T4942] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 72.808075][ T4942] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 72.825126][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 72.826729][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 72.829153][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 72.830626][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 72.842331][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 72.844100][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 72.845611][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 72.852130][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.857101][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 72.862574][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 72.870761][ T570] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 72.872134][ T570] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 72.886074][ T5341] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.887630][ T5341] CPU: 1 PID: 5341 Comm: syz.1.16 Not tainted syzkaller #0 [ 72.888774][ T5341] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 72.890516][ T5341] Call trace: [ 72.891060][ T5341] dump_backtrace+0x0/0x458 [ 72.891837][ T5341] show_stack+0x2c/0x3c [ 72.892537][ T5341] __dump_stack+0x30/0x40 [ 72.893300][ T5341] dump_stack_lvl+0xf4/0x15c [ 72.894071][ T5341] dump_stack+0x1c/0x5c [ 72.894790][ T5341] sysfs_create_dir_ns+0x244/0x264 [ 72.895622][ T5341] kobject_add_internal+0x5ac/0xc3c [ 72.896511][ T5341] kobject_init_and_add+0x124/0x190 [ 72.897366][ T5341] gfs2_sys_fs_add+0x200/0x41c [ 72.898135][ T5341] gfs2_fill_super+0xddc/0x1a18 [ 72.898943][ T5341] get_tree_bdev+0x358/0x544 [ 72.899694][ T5341] gfs2_get_tree+0x54/0x1b4 [ 72.900435][ T5341] vfs_get_tree+0x90/0x274 [ 72.901190][ T5341] do_new_mount+0x228/0x810 [ 72.901960][ T5341] path_mount+0x5bc/0x1008 [ 72.902723][ T5341] __arm64_sys_mount+0x514/0x5f0 [ 72.903560][ T5341] invoke_syscall+0x98/0x2b0 [ 72.904370][ T5341] el0_svc_common+0x138/0x258 [ 72.905162][ T5341] do_el0_svc+0x58/0x13c [ 72.905877][ T5341] el0_svc+0x78/0x1d0 [ 72.906532][ T5341] el0t_64_sync_handler+0xcc/0xe4 [ 72.907385][ T5341] el0t_64_sync+0x1a0/0x1a4 [ 72.917148][ T4931] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 72.927490][ T4931] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 72.930055][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 72.931615][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 72.933450][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.934959][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 72.936501][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 72.939342][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 72.940901][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 72.949822][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 72.968122][ T5341] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.970248][ T5341] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.115997][ T4942] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 73.122379][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 73.123718][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 73.144904][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 73.146242][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 73.154458][ T4931] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 73.211361][ T288] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 73.213065][ T288] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 73.246803][ T453] device hsr_slave_0 left promiscuous mode [ 73.307479][ T453] device hsr_slave_1 left promiscuous mode [ 73.367665][ T4164] Bluetooth: hci1: command 0x0419 tx timeout [ 73.368764][ T4164] Bluetooth: hci0: command 0x0419 tx timeout [ 73.395538][ T5341] loop1: detected capacity change from 0 to 32768 [ 73.397429][ T453] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 73.398711][ T453] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 73.408485][ T453] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 73.409711][ T453] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 73.411568][ T453] device bridge_slave_1 left promiscuous mode [ 73.412587][ T453] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.415866][ T5364] loop3: detected capacity change from 0 to 32768 [ 73.457701][ T4164] Bluetooth: hci2: command 0x0419 tx timeout [ 73.459456][ T453] device bridge_slave_0 left promiscuous mode [ 73.460478][ T453] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.467686][ T4164] Bluetooth: hci3: command 0x0419 tx timeout [ 73.469608][ T5364] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.470754][ T5364] CPU: 0 PID: 5364 Comm: syz.3.18 Not tainted syzkaller #0 [ 73.472020][ T5364] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 73.473605][ T5364] Call trace: [ 73.474170][ T5364] dump_backtrace+0x0/0x458 [ 73.474898][ T5364] show_stack+0x2c/0x3c [ 73.475547][ T5364] __dump_stack+0x30/0x40 [ 73.476220][ T5364] dump_stack_lvl+0xf4/0x15c [ 73.477099][ T5364] dump_stack+0x1c/0x5c [ 73.477786][ T5364] sysfs_create_dir_ns+0x244/0x264 [ 73.478664][ T5364] kobject_add_internal+0x5ac/0xc3c [ 73.479524][ T5364] kobject_init_and_add+0x124/0x190 [ 73.480466][ T5364] gfs2_sys_fs_add+0x200/0x41c [ 73.481189][ T5364] gfs2_fill_super+0xddc/0x1a18 [ 73.482000][ T5364] get_tree_bdev+0x358/0x544 [ 73.482778][ T5364] gfs2_get_tree+0x54/0x1b4 [ 73.483543][ T5364] vfs_get_tree+0x90/0x274 [ 73.484273][ T5364] do_new_mount+0x228/0x810 [ 73.485047][ T5364] path_mount+0x5bc/0x1008 [ 73.485738][ T5364] __arm64_sys_mount+0x514/0x5f0 [ 73.486541][ T5364] invoke_syscall+0x98/0x2b0 [ 73.487308][ T5364] el0_svc_common+0x138/0x258 [ 73.488064][ T5364] do_el0_svc+0x58/0x13c [ 73.488745][ T5364] el0_svc+0x78/0x1d0 [ 73.489437][ T5364] el0t_64_sync_handler+0xcc/0xe4 [ 73.489946][ T5341] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 73.490239][ T5364] el0t_64_sync+0x1a0/0x1a4 [ 73.491595][ T5341] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 73.494971][ T5382] loop2: detected capacity change from 0 to 32768 [ 73.497399][ T5364] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.499655][ T5364] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.503101][ T5341] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms [ 73.505344][ T4164] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 73.506461][ T4164] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 73.529213][ T5382] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.530531][ T5382] CPU: 1 PID: 5382 Comm: syz.2.30 Not tainted syzkaller #0 [ 73.531659][ T5382] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 73.533336][ T5382] Call trace: [ 73.533885][ T5382] dump_backtrace+0x0/0x458 [ 73.534608][ T5382] show_stack+0x2c/0x3c [ 73.535276][ T5382] __dump_stack+0x30/0x40 [ 73.535995][ T5382] dump_stack_lvl+0xf4/0x15c [ 73.536721][ T5382] dump_stack+0x1c/0x5c [ 73.537367][ T5382] sysfs_create_dir_ns+0x244/0x264 [ 73.538144][ T5382] kobject_add_internal+0x5ac/0xc3c [ 73.538917][ T5382] kobject_init_and_add+0x124/0x190 [ 73.539800][ T5382] gfs2_sys_fs_add+0x200/0x41c [ 73.540576][ T5382] gfs2_fill_super+0xddc/0x1a18 [ 73.541326][ T5382] get_tree_bdev+0x358/0x544 [ 73.541835][ T4164] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 35ms [ 73.542030][ T5382] gfs2_get_tree+0x54/0x1b4 [ 73.543843][ T4164] gfs2: fsid=syz:syz.0: jid=0: Done [ 73.543954][ T5382] vfs_get_tree+0x90/0x274 [ 73.545052][ T5341] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 73.545442][ T5382] do_new_mount+0x228/0x810 [ 73.547279][ T5382] path_mount+0x5bc/0x1008 [ 73.547963][ T5382] __arm64_sys_mount+0x514/0x5f0 [ 73.548806][ T5382] invoke_syscall+0x98/0x2b0 [ 73.549584][ T5382] el0_svc_common+0x138/0x258 [ 73.550405][ T5382] do_el0_svc+0x58/0x13c [ 73.551090][ T5382] el0_svc+0x78/0x1d0 [ 73.551727][ T5382] el0t_64_sync_handler+0xcc/0xe4 [ 73.552412][ T4164] Bluetooth: hci4: command 0x0419 tx timeout [ 73.552547][ T5382] el0t_64_sync+0x1a0/0x1a4 [ 73.607139][ T5382] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.613766][ T5382] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.625780][ T5341] gfs2: fsid=syz:syz.0: can't make FS RW: -5 [ 73.627431][ T453] device veth1_macvtap left promiscuous mode [ 73.628415][ T453] device veth0_macvtap left promiscuous mode [ 73.629460][ T453] device veth1_vlan left promiscuous mode [ 73.630369][ T453] device veth0_vlan left promiscuous mode [ 73.647275][ T234] [ 73.647698][ T234] ====================================================== [ 73.649006][ T234] WARNING: possible circular locking dependency detected [ 73.650220][ T234] syzkaller #0 Not tainted [ 73.650989][ T234] ------------------------------------------------------ [ 73.652194][ T234] kworker/1:1H/234 is trying to acquire lock: [ 73.653241][ T234] ffff0000d5e920e0 (&type->s_umount_key#50){+.+.}-{3:3}, at: freeze_super+0x54/0x36c [ 73.654890][ T234] [ 73.654890][ T234] but task is already holding lock: [ 73.656126][ T234] ffff80001e917c00 ((work_completion)(&(&gl->gl_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6b8/0x1138 [ 73.658087][ T234] [ 73.658087][ T234] which lock already depends on the new lock. [ 73.658087][ T234] [ 73.659903][ T234] [ 73.659903][ T234] the existing dependency chain (in reverse order) is: [ 73.661391][ T234] [ 73.661391][ T234] -> #2 ((work_completion)(&(&gl->gl_work)->work)){+.+.}-{0:0}: [ 73.663091][ T234] process_one_work+0x6e0/0x1138 [ 73.664050][ T234] worker_thread+0x8f4/0x1034 [ 73.664924][ T234] kthread+0x374/0x454 [ 73.665673][ T234] ret_from_fork+0x10/0x20 [ 73.666495][ T234] [ 73.666495][ T234] -> #1 ((wq_completion)glock_workqueue){+.+.}-{0:0}: [ 73.668004][ T234] flush_workqueue+0x130/0x104c [ 73.668909][ T234] gfs2_gl_hash_clear+0xb0/0x2cc [ 73.669959][ T234] gfs2_put_super+0x614/0x6b4 [ 73.670852][ T234] generic_shutdown_super+0x130/0x2f0 [ 73.671894][ T234] kill_block_super+0x70/0xdc [ 73.672799][ T234] gfs2_kill_sb+0xc0/0xd4 [ 73.673627][ T234] deactivate_locked_super+0xb8/0x134 [ 73.674570][ T234] deactivate_super+0xf0/0x110 [ 73.675471][ T234] cleanup_mnt+0x3b8/0x46c [ 73.676321][ T234] __cleanup_mnt+0x20/0x30 [ 73.677187][ T234] task_work_run+0x12c/0x1d8 [ 73.677976][ T234] do_notify_resume+0x2450/0x309c [ 73.678942][ T234] el0_svc+0xf0/0x1d0 [ 73.679637][ T234] el0t_64_sync_handler+0xcc/0xe4 [ 73.680591][ T234] el0t_64_sync+0x1a0/0x1a4 [ 73.681458][ T234] [ 73.681458][ T234] -> #0 (&type->s_umount_key#50){+.+.}-{3:3}: [ 73.682832][ T234] __lock_acquire+0x2870/0x67ec [ 73.683729][ T234] lock_acquire+0x1f4/0x618 [ 73.684617][ T234] down_write+0xbc/0x12c [ 73.685409][ T234] freeze_super+0x54/0x36c [ 73.686266][ T234] freeze_go_sync+0x128/0x31c [ 73.687141][ T234] do_xmote+0x2ec/0xf58 [ 73.687971][ T234] run_queue+0x3fc/0x698 [ 73.688848][ T234] glock_work_func+0x208/0x440 [ 73.689736][ T234] process_one_work+0x79c/0x1138 [ 73.690616][ T234] worker_thread+0x8f4/0x1034 [ 73.691485][ T234] kthread+0x374/0x454 [ 73.692281][ T234] ret_from_fork+0x10/0x20 [ 73.693163][ T234] [ 73.693163][ T234] other info that might help us debug this: [ 73.693163][ T234] [ 73.694899][ T234] Chain exists of: [ 73.694899][ T234] &type->s_umount_key#50 --> (wq_completion)glock_workqueue --> (work_completion)(&(&gl->gl_work)->work) [ 73.694899][ T234] [ 73.697895][ T234] Possible unsafe locking scenario: [ 73.697895][ T234] [ 73.699174][ T234] CPU0 CPU1 [ 73.700051][ T234] ---- ---- [ 73.700907][ T234] lock((work_completion)(&(&gl->gl_work)->work)); [ 73.702023][ T234] lock((wq_completion)glock_workqueue); [ 73.703354][ T234] lock((work_completion)(&(&gl->gl_work)->work)); [ 73.704831][ T234] lock(&type->s_umount_key#50); [ 73.705662][ T234] [ 73.705662][ T234] *** DEADLOCK *** [ 73.705662][ T234] [ 73.706961][ T234] 2 locks held by kworker/1:1H/234: [ 73.707824][ T234] #0: ffff0000c2fda538 ((wq_completion)glock_workqueue){+.+.}-{0:0}, at: process_one_work+0x678/0x1138 [ 73.709707][ T234] #1: ffff80001e917c00 ((work_completion)(&(&gl->gl_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6b8/0x1138 [ 73.711781][ T234] [ 73.711781][ T234] stack backtrace: [ 73.712694][ T234] CPU: 1 PID: 234 Comm: kworker/1:1H Not tainted syzkaller #0 [ 73.713906][ T234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 73.715709][ T234] Workqueue: glock_workqueue glock_work_func [ 73.716726][ T234] Call trace: [ 73.717312][ T234] dump_backtrace+0x0/0x458 [ 73.718051][ T234] show_stack+0x2c/0x3c [ 73.718737][ T234] __dump_stack+0x30/0x40 [ 73.719510][ T234] dump_stack_lvl+0xf4/0x15c [ 73.720294][ T234] dump_stack+0x1c/0x5c [ 73.720996][ T234] print_circular_bug+0x148/0x1b0 [ 73.721812][ T234] check_noncircular+0x264/0x2f8 [ 73.722670][ T234] __lock_acquire+0x2870/0x67ec [ 73.723463][ T234] lock_acquire+0x1f4/0x618 [ 73.724181][ T234] down_write+0xbc/0x12c [ 73.724868][ T234] freeze_super+0x54/0x36c [ 73.725556][ T234] freeze_go_sync+0x128/0x31c [ 73.726275][ T234] do_xmote+0x2ec/0xf58 [ 73.726959][ T234] run_queue+0x3fc/0x698 [ 73.727657][ T234] glock_work_func+0x208/0x440 [ 73.728403][ T234] process_one_work+0x79c/0x1138 [ 73.729211][ T234] worker_thread+0x8f4/0x1034 [ 73.730019][ T234] kthread+0x374/0x454 [ 73.730664][ T234] ret_from_fork+0x10/0x20 [ 73.825648][ T5382] loop2: detected capacity change from 0 to 32768 [ 73.827285][ T5382] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.828469][ T5382] CPU: 0 PID: 5382 Comm: syz.2.30 Not tainted syzkaller #0 [ 73.829648][ T5382] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 73.831188][ T5382] Call trace: [ 73.831727][ T5382] dump_backtrace+0x0/0x458 [ 73.832426][ T5382] show_stack+0x2c/0x3c [ 73.833034][ T5382] __dump_stack+0x30/0x40 [ 73.833765][ T5382] dump_stack_lvl+0xf4/0x15c [ 73.834430][ T5382] dump_stack+0x1c/0x5c [ 73.835100][ T5382] sysfs_create_dir_ns+0x244/0x264 [ 73.835887][ T5382] kobject_add_internal+0x5ac/0xc3c [ 73.836713][ T5382] kobject_init_and_add+0x124/0x190 [ 73.837562][ T5382] gfs2_sys_fs_add+0x200/0x41c [ 73.838308][ T5382] gfs2_fill_super+0xddc/0x1a18 [ 73.839116][ T5382] get_tree_bdev+0x358/0x544 [ 73.839831][ T5382] gfs2_get_tree+0x54/0x1b4 [ 73.840588][ T5382] vfs_get_tree+0x90/0x274 [ 73.841275][ T5382] do_new_mount+0x228/0x810 [ 73.842019][ T5382] path_mount+0x5bc/0x1008 [ 73.842776][ T5382] __arm64_sys_mount+0x514/0x5f0 [ 73.843583][ T5382] invoke_syscall+0x98/0x2b0 [ 73.844322][ T5382] el0_svc_common+0x138/0x258 [ 73.845140][ T5382] do_el0_svc+0x58/0x13c [ 73.845856][ T5382] el0_svc+0x78/0x1d0 [ 73.846534][ T5382] el0t_64_sync_handler+0xcc/0xe4 [ 73.847346][ T5382] el0t_64_sync+0x1a0/0x1a4 [ 73.865947][ T453] team0 (unregistering): Port device team_slave_1 removed [ 73.873470][ T453] team0 (unregistering): Port device team_slave_0 removed [ 73.879353][ T453] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 73.890173][ T5382] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.892338][ T5382] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.910531][ T453] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 73.948049][ T5400] loop3: detected capacity change from 0 to 32768 [ 74.009930][ T5400] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.011321][ T5400] CPU: 1 PID: 5400 Comm: syz.3.31 Not tainted syzkaller #0 [ 74.012528][ T5400] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 74.014181][ T5400] Call trace: [ 74.014703][ T5400] dump_backtrace+0x0/0x458 [ 74.015492][ T5400] show_stack+0x2c/0x3c [ 74.016171][ T5400] __dump_stack+0x30/0x40 [ 74.016915][ T5400] dump_stack_lvl+0xf4/0x15c [ 74.017675][ T5400] dump_stack+0x1c/0x5c [ 74.018414][ T5400] sysfs_create_dir_ns+0x244/0x264 [ 74.019308][ T5400] kobject_add_internal+0x5ac/0xc3c [ 74.020155][ T5400] kobject_init_and_add+0x124/0x190 [ 74.021096][ T5400] gfs2_sys_fs_add+0x200/0x41c [ 74.021938][ T5400] gfs2_fill_super+0xddc/0x1a18 [ 74.022812][ T5400] get_tree_bdev+0x358/0x544 [ 74.023566][ T5400] gfs2_get_tree+0x54/0x1b4 [ 74.024352][ T5400] vfs_get_tree+0x90/0x274 [ 74.025093][ T5400] do_new_mount+0x228/0x810 [ 74.025930][ T5400] path_mount+0x5bc/0x1008 [ 74.026675][ T5400] __arm64_sys_mount+0x514/0x5f0 [ 74.027468][ T5400] invoke_syscall+0x98/0x2b0 [ 74.028280][ T5400] el0_svc_common+0x138/0x258 [ 74.029024][ T5400] do_el0_svc+0x58/0x13c [ 74.029745][ T5400] el0_svc+0x78/0x1d0 [ 74.030409][ T5400] el0t_64_sync_handler+0xcc/0xe4 [ 74.031230][ T5400] el0t_64_sync+0x1a0/0x1a4 [ 74.035600][ T5402] loop2: detected capacity change from 0 to 32768 [ 74.037440][ T5400] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.039600][ T5400] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.043567][ T453] bond0 (unregistering): Released all slaves [ 74.079181][ T5402] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.080511][ T5402] CPU: 1 PID: 5402 Comm: syz.2.32 Not tainted syzkaller #0 [ 74.081686][ T5402] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 74.083287][ T5402] Call trace: [ 74.083828][ T5402] dump_backtrace+0x0/0x458 [ 74.084622][ T5402] show_stack+0x2c/0x3c [ 74.085280][ T5402] __dump_stack+0x30/0x40 [ 74.086006][ T5402] dump_stack_lvl+0xf4/0x15c [ 74.086772][ T5402] dump_stack+0x1c/0x5c [ 74.087450][ T5402] sysfs_create_dir_ns+0x244/0x264 [ 74.088356][ T5402] kobject_add_internal+0x5ac/0xc3c [ 74.089310][ T5402] kobject_init_and_add+0x124/0x190 [ 74.090181][ T5402] gfs2_sys_fs_add+0x200/0x41c [ 74.090956][ T5402] gfs2_fill_super+0xddc/0x1a18 [ 74.091765][ T5402] get_tree_bdev+0x358/0x544 [ 74.092556][ T5402] gfs2_get_tree+0x54/0x1b4 [ 74.093336][ T5402] vfs_get_tree+0x90/0x274 [ 74.094081][ T5402] do_new_mount+0x228/0x810 [ 74.094812][ T5402] path_mount+0x5bc/0x1008 [ 74.095566][ T5402] __arm64_sys_mount+0x514/0x5f0 [ 74.096321][ T5402] invoke_syscall+0x98/0x2b0 [ 74.097073][ T5402] el0_svc_common+0x138/0x258 [ 74.097826][ T5402] do_el0_svc+0x58/0x13c [ 74.098524][ T5402] el0_svc+0x78/0x1d0 [ 74.099193][ T5402] el0t_64_sync_handler+0xcc/0xe4 [ 74.100017][ T5402] el0t_64_sync+0x1a0/0x1a4 [ 74.117121][ T5402] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.121937][ T4931] device veth0_vlan entered promiscuous mode [ 74.124822][ T4931] device veth1_vlan entered promiscuous mode [ 74.127434][ T5402] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.143955][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 74.145632][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 74.146990][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 74.152483][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 74.177844][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 74.179391][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 74.182708][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 74.184246][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 74.201471][ T4931] device veth0_macvtap entered promiscuous mode [ 74.206859][ T4931] device veth1_macvtap entered promiscuous mode [ 74.224396][ T4931] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 74.230300][ T4931] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.231946][ T4931] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 74.244242][ T4931] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.245987][ T4931] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 74.254137][ T4931] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.274953][ T5400] loop3: detected capacity change from 0 to 32768 [ 74.283091][ T5400] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.285836][ T4931] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 74.286259][ T5400] CPU: 1 PID: 5400 Comm: syz.3.31 Not tainted syzkaller #0 [ 74.288268][ T5400] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 74.289992][ T5400] Call trace: [ 74.290504][ T5400] dump_backtrace+0x0/0x458 [ 74.291256][ T5400] show_stack+0x2c/0x3c [ 74.291932][ T5400] __dump_stack+0x30/0x40 [ 74.292732][ T5400] dump_stack_lvl+0xf4/0x15c [ 74.293563][ T5400] dump_stack+0x1c/0x5c [ 74.294276][ T5400] sysfs_create_dir_ns+0x244/0x264 [ 74.295126][ T5400] kobject_add_internal+0x5ac/0xc3c [ 74.296115][ T5400] kobject_init_and_add+0x124/0x190 [ 74.296912][ T5400] gfs2_sys_fs_add+0x200/0x41c [ 74.297664][ T5400] gfs2_fill_super+0xddc/0x1a18 [ 74.298381][ T5400] get_tree_bdev+0x358/0x544 [ 74.299093][ T5400] gfs2_get_tree+0x54/0x1b4 [ 74.299857][ T5400] vfs_get_tree+0x90/0x274 [ 74.300552][ T5400] do_new_mount+0x228/0x810 [ 74.301269][ T5400] path_mount+0x5bc/0x1008 [ 74.301990][ T5400] __arm64_sys_mount+0x514/0x5f0 [ 74.302821][ T5400] invoke_syscall+0x98/0x2b0 [ 74.303639][ T5400] el0_svc_common+0x138/0x258 [ 74.304430][ T5400] do_el0_svc+0x58/0x13c [ 74.305161][ T5400] el0_svc+0x78/0x1d0 [ 74.305822][ T5400] el0t_64_sync_handler+0xcc/0xe4 [ 74.305830][ T5402] loop2: detected capacity change from 0 to 32768 [ 74.305839][ T5400] el0t_64_sync+0x1a0/0x1a4 [ 74.309807][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 74.310082][ T5400] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.311369][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 74.313257][ T5400] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.314668][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 74.316875][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 74.328874][ T4931] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 74.330972][ T4931] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.332613][ T4931] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 74.340872][ T4931] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.342609][ T4931] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 74.347852][ T4931] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.359131][ T5402] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.360561][ T5402] CPU: 1 PID: 5402 Comm: syz.2.32 Not tainted syzkaller #0 [ 74.361748][ T5402] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 74.363489][ T5402] Call trace: [ 74.364023][ T5402] dump_backtrace+0x0/0x458 [ 74.364816][ T5402] show_stack+0x2c/0x3c [ 74.365524][ T5402] __dump_stack+0x30/0x40 [ 74.366274][ T5402] dump_stack_lvl+0xf4/0x15c [ 74.367048][ T5402] dump_stack+0x1c/0x5c [ 74.367739][ T5402] sysfs_create_dir_ns+0x244/0x264 [ 74.368586][ T5402] kobject_add_internal+0x5ac/0xc3c [ 74.369489][ T5402] kobject_init_and_add+0x124/0x190 [ 74.370398][ T5402] gfs2_sys_fs_add+0x200/0x41c [ 74.371268][ T5402] gfs2_fill_super+0xddc/0x1a18 [ 74.372097][ T5402] get_tree_bdev+0x358/0x544 [ 74.372910][ T5402] gfs2_get_tree+0x54/0x1b4 [ 74.373658][ T5402] vfs_get_tree+0x90/0x274 [ 74.374422][ T5402] do_new_mount+0x228/0x810 [ 74.375170][ T5402] path_mount+0x5bc/0x1008 [ 74.375992][ T5402] __arm64_sys_mount+0x514/0x5f0 [ 74.376839][ T5402] invoke_syscall+0x98/0x2b0 [ 74.377631][ T5402] el0_svc_common+0x138/0x258 [ 74.378447][ T5402] do_el0_svc+0x58/0x13c [ 74.379209][ T5402] el0_svc+0x78/0x1d0 [ 74.379862][ T5402] el0t_64_sync_handler+0xcc/0xe4 [ 74.380750][ T5402] el0t_64_sync+0x1a0/0x1a4 [ 74.383512][ T4931] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 74.386482][ T4931] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.391806][ T4931] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.393248][ T4931] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.394711][ T4931] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.402283][ T288] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 74.403886][ T288] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 74.405461][ T288] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 74.406954][ T288] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 74.442603][ T5402] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.444886][ T5402] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.454290][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 74.455773][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 74.457702][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 74.459056][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 74.489352][ T4942] device veth0_vlan entered promiscuous mode [ 74.503488][ T4931] ieee80211 phy15: Selected rate control algorithm 'minstrel_ht' [ 74.517768][ T4942] device veth1_vlan entered promiscuous mode [ 74.564914][ T570] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 74.565328][ T4931] ieee80211 phy16: Selected rate control algorithm 'minstrel_ht' [ 74.566119][ T570] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 74.585836][ T288] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 74.587576][ T288] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 74.589002][ T288] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 74.595162][ T4942] device veth0_macvtap entered promiscuous mode [ 74.606199][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 74.608084][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 74.609584][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 74.611289][ T5416] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.612513][ T5416] CPU: 1 PID: 5416 Comm: syz.3.33 Not tainted syzkaller #0 [ 74.613634][ T5416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 74.615292][ T5416] Call trace: [ 74.615795][ T5416] dump_backtrace+0x0/0x458 [ 74.616516][ T5416] show_stack+0x2c/0x3c [ 74.617212][ T5416] __dump_stack+0x30/0x40 [ 74.617854][ T5416] dump_stack_lvl+0xf4/0x15c [ 74.618518][ T5416] dump_stack+0x1c/0x5c [ 74.619146][ T5416] sysfs_create_dir_ns+0x244/0x264 [ 74.619912][ T5416] kobject_add_internal+0x5ac/0xc3c [ 74.620701][ T5416] kobject_init_and_add+0x124/0x190 [ 74.621506][ T5416] gfs2_sys_fs_add+0x200/0x41c [ 74.622249][ T5416] gfs2_fill_super+0xddc/0x1a18 [ 74.622999][ T5416] get_tree_bdev+0x358/0x544 [ 74.623655][ T5416] gfs2_get_tree+0x54/0x1b4 [ 74.624463][ T5416] vfs_get_tree+0x90/0x274 [ 74.625214][ T5416] do_new_mount+0x228/0x810 [ 74.625946][ T5416] path_mount+0x5bc/0x1008 [ 74.626711][ T5416] __arm64_sys_mount+0x514/0x5f0 [ 74.627576][ T5416] invoke_syscall+0x98/0x2b0 [ 74.628335][ T5416] el0_svc_common+0x138/0x258 [ 74.629111][ T5416] do_el0_svc+0x58/0x13c [ 74.629815][ T5416] el0_svc+0x78/0x1d0 [ 74.630535][ T5416] el0t_64_sync_handler+0xcc/0xe4 [ 74.631372][ T5416] el0t_64_sync+0x1a0/0x1a4 [ 74.638220][ T4942] device veth1_macvtap entered promiscuous mode [ 74.655118][ T4942] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 74.656955][ T4942] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.659080][ T4942] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 74.660779][ T4942] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.662408][ T4942] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 74.664181][ T4942] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.676099][ T5416] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.683193][ T5416] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.686199][ T4942] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 74.706428][ T4942] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.709149][ T4942] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 74.717683][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 74.719265][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 74.720827][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 74.743361][ T4942] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 74.745084][ T4942] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.746719][ T4942] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 74.755937][ T4942] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.767531][ T4942] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 74.769879][ T4942] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.771513][ T4942] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 74.773246][ T4942] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.784560][ T4942] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 74.795158][ T148] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 74.796551][ T148] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 74.800244][ T288] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 74.801823][ T288] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 74.803512][ T288] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 74.805088][ T5428] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.806279][ T5428] CPU: 1 PID: 5428 Comm: syz.2.34 Not tainted syzkaller #0 [ 74.807396][ T5428] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 74.809108][ T5428] Call trace: [ 74.809667][ T5428] dump_backtrace+0x0/0x458 [ 74.810454][ T5428] show_stack+0x2c/0x3c [ 74.811167][ T5428] __dump_stack+0x30/0x40 [ 74.811881][ T5428] dump_stack_lvl+0xf4/0x15c [ 74.812664][ T5428] dump_stack+0x1c/0x5c [ 74.813298][ T5428] sysfs_create_dir_ns+0x244/0x264 [ 74.814127][ T5428] kobject_add_internal+0x5ac/0xc3c [ 74.814919][ T5428] kobject_init_and_add+0x124/0x190 [ 74.815737][ T5428] gfs2_sys_fs_add+0x200/0x41c [ 74.816525][ T5428] gfs2_fill_super+0xddc/0x1a18 [ 74.817288][ T5428] get_tree_bdev+0x358/0x544 [ 74.817967][ T5428] gfs2_get_tree+0x54/0x1b4 [ 74.818584][ T5428] vfs_get_tree+0x90/0x274 [ 74.819363][ T5428] do_new_mount+0x228/0x810 [ 74.820157][ T5428] path_mount+0x5bc/0x1008 [ 74.820885][ T5428] __arm64_sys_mount+0x514/0x5f0 [ 74.821709][ T5428] invoke_syscall+0x98/0x2b0 [ 74.822488][ T5428] el0_svc_common+0x138/0x258 [ 74.823271][ T5428] do_el0_svc+0x58/0x13c [ 74.823999][ T5428] el0_svc+0x78/0x1d0 [ 74.824710][ T5428] el0t_64_sync_handler+0xcc/0xe4 [ 74.825583][ T5428] el0t_64_sync+0x1a0/0x1a4 [ 74.830075][ T4942] netdevsim netdevsim4 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.831583][ T4942] netdevsim netdevsim4 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.833059][ T4942] netdevsim netdevsim4 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.834473][ T4942] netdevsim netdevsim4 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.852836][ T5428] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.871259][ T5428] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.873559][ T5416] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.874686][ T5416] CPU: 0 PID: 5416 Comm: syz.3.33 Not tainted syzkaller #0 [ 74.875901][ T5416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 74.877684][ T5416] Call trace: [ 74.878264][ T5416] dump_backtrace+0x0/0x458 [ 74.878999][ T5416] show_stack+0x2c/0x3c [ 74.879725][ T5416] __dump_stack+0x30/0x40 [ 74.880461][ T5416] dump_stack_lvl+0xf4/0x15c [ 74.881194][ T5416] dump_stack+0x1c/0x5c [ 74.881885][ T5416] sysfs_create_dir_ns+0x244/0x264 [ 74.882714][ T5416] kobject_add_internal+0x5ac/0xc3c [ 74.883679][ T5416] kobject_init_and_add+0x124/0x190 [ 74.884531][ T5416] gfs2_sys_fs_add+0x200/0x41c [ 74.885388][ T5416] gfs2_fill_super+0xddc/0x1a18 [ 74.886262][ T5416] get_tree_bdev+0x358/0x544 [ 74.887107][ T5416] gfs2_get_tree+0x54/0x1b4 [ 74.887909][ T5416] vfs_get_tree+0x90/0x274 [ 74.888677][ T5416] do_new_mount+0x228/0x810 [ 74.889471][ T5416] path_mount+0x5bc/0x1008 [ 74.890200][ T5416] __arm64_sys_mount+0x514/0x5f0 [ 74.891066][ T5416] invoke_syscall+0x98/0x2b0 [ 74.891848][ T5416] el0_svc_common+0x138/0x258 [ 74.892576][ T5416] do_el0_svc+0x58/0x13c [ 74.893260][ T5416] el0_svc+0x78/0x1d0 [ 74.893912][ T5416] el0t_64_sync_handler+0xcc/0xe4 [ 74.894780][ T5416] el0t_64_sync+0x1a0/0x1a4 [ 74.897775][ T5416] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.900071][ T5416] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.055436][ T4942] ieee80211 phy17: Selected rate control algorithm 'minstrel_ht' [ 75.099816][ T288] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 75.101124][ T288] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 75.102462][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 75.105633][ T4942] ieee80211 phy18: Selected rate control algorithm 'minstrel_ht' [ 75.120783][ T288] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 75.122004][ T288] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 75.123214][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 75.164552][ T5452] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.165772][ T5452] CPU: 1 PID: 5452 Comm: syz.0.15 Not tainted syzkaller #0 [ 75.167041][ T5452] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 75.168712][ T5452] Call trace: [ 75.169241][ T5452] dump_backtrace+0x0/0x458 [ 75.169947][ T5452] show_stack+0x2c/0x3c [ 75.170615][ T5452] __dump_stack+0x30/0x40 [ 75.171260][ T5452] dump_stack_lvl+0xf4/0x15c [ 75.171968][ T5452] dump_stack+0x1c/0x5c [ 75.172633][ T5452] sysfs_create_dir_ns+0x244/0x264 [ 75.173414][ T5452] kobject_add_internal+0x5ac/0xc3c [ 75.174180][ T5452] kobject_init_and_add+0x124/0x190 [ 75.175059][ T5452] gfs2_sys_fs_add+0x200/0x41c [ 75.175864][ T5452] gfs2_fill_super+0xddc/0x1a18 [ 75.176686][ T5452] get_tree_bdev+0x358/0x544 [ 75.177487][ T5452] gfs2_get_tree+0x54/0x1b4 [ 75.178240][ T5452] vfs_get_tree+0x90/0x274 [ 75.178926][ T5452] do_new_mount+0x228/0x810 [ 75.179646][ T5452] path_mount+0x5bc/0x1008 [ 75.180365][ T5452] __arm64_sys_mount+0x514/0x5f0 [ 75.181197][ T5452] invoke_syscall+0x98/0x2b0 [ 75.181915][ T5452] el0_svc_common+0x138/0x258 [ 75.182649][ T5452] do_el0_svc+0x58/0x13c [ 75.183379][ T5452] el0_svc+0x78/0x1d0 [ 75.184008][ T5452] el0t_64_sync_handler+0xcc/0xe4 [ 75.184888][ T5452] el0t_64_sync+0x1a0/0x1a4 [ 75.194190][ T5454] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.195452][ T5454] CPU: 1 PID: 5454 Comm: syz.3.35 Not tainted syzkaller #0 [ 75.196751][ T5454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 75.198559][ T5454] Call trace: [ 75.199160][ T5454] dump_backtrace+0x0/0x458 [ 75.199921][ T5454] show_stack+0x2c/0x3c [ 75.200637][ T5454] __dump_stack+0x30/0x40 [ 75.201317][ T5454] dump_stack_lvl+0xf4/0x15c [ 75.202094][ T5454] dump_stack+0x1c/0x5c [ 75.202815][ T5454] sysfs_create_dir_ns+0x244/0x264 [ 75.203718][ T5454] kobject_add_internal+0x5ac/0xc3c [ 75.204665][ T5454] kobject_init_and_add+0x124/0x190 [ 75.205521][ T5454] gfs2_sys_fs_add+0x200/0x41c [ 75.206363][ T5454] gfs2_fill_super+0xddc/0x1a18 [ 75.207176][ T5454] get_tree_bdev+0x358/0x544 [ 75.207869][ T5454] gfs2_get_tree+0x54/0x1b4 [ 75.208590][ T5454] vfs_get_tree+0x90/0x274 [ 75.209319][ T5454] do_new_mount+0x228/0x810 [ 75.210063][ T5454] path_mount+0x5bc/0x1008 [ 75.210755][ T5454] __arm64_sys_mount+0x514/0x5f0 [ 75.211550][ T5454] invoke_syscall+0x98/0x2b0 [ 75.212330][ T5454] el0_svc_common+0x138/0x258 [ 75.213144][ T5454] do_el0_svc+0x58/0x13c [ 75.213847][ T5454] el0_svc+0x78/0x1d0 [ 75.214475][ T5454] el0t_64_sync_handler+0xcc/0xe4 [ 75.215308][ T5454] el0t_64_sync+0x1a0/0x1a4 [ 75.256949][ T5452] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.262462][ T5452] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.263988][ T5454] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.266225][ T5454] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.377418][ T5428] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.378819][ T5428] CPU: 0 PID: 5428 Comm: syz.2.34 Not tainted syzkaller #0 [ 75.380107][ T5428] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 75.381776][ T5428] Call trace: [ 75.382368][ T5428] dump_backtrace+0x0/0x458 [ 75.383179][ T5428] show_stack+0x2c/0x3c [ 75.383899][ T5428] __dump_stack+0x30/0x40 [ 75.384593][ T5428] dump_stack_lvl+0xf4/0x15c [ 75.385376][ T5428] dump_stack+0x1c/0x5c [ 75.386101][ T5428] sysfs_create_dir_ns+0x244/0x264 [ 75.386984][ T5428] kobject_add_internal+0x5ac/0xc3c [ 75.387840][ T5428] kobject_init_and_add+0x124/0x190 [ 75.388738][ T5428] gfs2_sys_fs_add+0x200/0x41c [ 75.389593][ T5428] gfs2_fill_super+0xddc/0x1a18 [ 75.390420][ T5428] get_tree_bdev+0x358/0x544 [ 75.391234][ T5428] gfs2_get_tree+0x54/0x1b4 [ 75.392010][ T5428] vfs_get_tree+0x90/0x274 [ 75.392851][ T5428] do_new_mount+0x228/0x810 [ 75.393590][ T5428] path_mount+0x5bc/0x1008 [ 75.394424][ T5428] __arm64_sys_mount+0x514/0x5f0 [ 75.395248][ T5428] invoke_syscall+0x98/0x2b0 [ 75.396003][ T5428] el0_svc_common+0x138/0x258 [ 75.396754][ T5428] do_el0_svc+0x58/0x13c [ 75.397463][ T5428] el0_svc+0x78/0x1d0 [ 75.398153][ T5428] el0t_64_sync_handler+0xcc/0xe4 [ 75.399008][ T5428] el0t_64_sync+0x1a0/0x1a4 [ 75.444271][ T5428] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.448650][ T5428] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.474593][ T5469] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.475872][ T5469] CPU: 0 PID: 5469 Comm: syz.4.19 Not tainted syzkaller #0 [ 75.477122][ T5469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 75.478804][ T5469] Call trace: [ 75.479403][ T5469] dump_backtrace+0x0/0x458 [ 75.480233][ T5469] show_stack+0x2c/0x3c [ 75.480876][ T5469] __dump_stack+0x30/0x40 [ 75.481576][ T5469] dump_stack_lvl+0xf4/0x15c [ 75.482376][ T5469] dump_stack+0x1c/0x5c [ 75.483040][ T5469] sysfs_create_dir_ns+0x244/0x264 [ 75.483921][ T5469] kobject_add_internal+0x5ac/0xc3c [ 75.484753][ T5469] kobject_init_and_add+0x124/0x190 [ 75.485588][ T5469] gfs2_sys_fs_add+0x200/0x41c [ 75.486390][ T5469] gfs2_fill_super+0xddc/0x1a18 [ 75.487199][ T5469] get_tree_bdev+0x358/0x544 [ 75.488014][ T5469] gfs2_get_tree+0x54/0x1b4 [ 75.488820][ T5469] vfs_get_tree+0x90/0x274 [ 75.489577][ T5469] do_new_mount+0x228/0x810 [ 75.490336][ T5469] path_mount+0x5bc/0x1008 [ 75.491023][ T5469] __arm64_sys_mount+0x514/0x5f0 [ 75.491855][ T5469] invoke_syscall+0x98/0x2b0 [ 75.492650][ T5469] el0_svc_common+0x138/0x258 [ 75.493441][ T5469] do_el0_svc+0x58/0x13c [ 75.494131][ T5469] el0_svc+0x78/0x1d0 [ 75.494771][ T5469] el0t_64_sync_handler+0xcc/0xe4 [ 75.495615][ T5469] el0t_64_sync+0x1a0/0x1a4 [ 75.555855][ T5469] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.560344][ T5469] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.599399][ T5454] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.600711][ T5454] CPU: 1 PID: 5454 Comm: syz.3.35 Not tainted syzkaller #0 [ 75.601890][ T5454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 75.603607][ T5454] Call trace: [ 75.604150][ T5454] dump_backtrace+0x0/0x458 [ 75.604853][ T5454] show_stack+0x2c/0x3c [ 75.605588][ T5454] __dump_stack+0x30/0x40 [ 75.606333][ T5454] dump_stack_lvl+0xf4/0x15c [ 75.607108][ T5454] dump_stack+0x1c/0x5c [ 75.607803][ T5454] sysfs_create_dir_ns+0x244/0x264 [ 75.608670][ T5454] kobject_add_internal+0x5ac/0xc3c [ 75.609545][ T5454] kobject_init_and_add+0x124/0x190 [ 75.610453][ T5454] gfs2_sys_fs_add+0x200/0x41c [ 75.611244][ T5454] gfs2_fill_super+0xddc/0x1a18 [ 75.612041][ T5454] get_tree_bdev+0x358/0x544 [ 75.612838][ T5454] gfs2_get_tree+0x54/0x1b4 [ 75.613588][ T5454] vfs_get_tree+0x90/0x274 [ 75.614336][ T5454] do_new_mount+0x228/0x810 [ 75.615094][ T5454] path_mount+0x5bc/0x1008 [ 75.615832][ T5454] __arm64_sys_mount+0x514/0x5f0 [ 75.616680][ T5454] invoke_syscall+0x98/0x2b0 [ 75.617472][ T5454] el0_svc_common+0x138/0x258 [ 75.618223][ T5454] do_el0_svc+0x58/0x13c [ 75.618930][ T5454] el0_svc+0x78/0x1d0 [ 75.619603][ T5454] el0t_64_sync_handler+0xcc/0xe4 [ 75.620446][ T5454] el0t_64_sync+0x1a0/0x1a4 [ 75.642139][ T5454] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.644411][ T5454] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:01:15 executed programs: 32 [ 75.748059][ T5452] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.749369][ T5452] CPU: 1 PID: 5452 Comm: syz.0.15 Not tainted syzkaller #0 [ 75.750588][ T5452] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 75.752159][ T5452] Call trace: [ 75.752747][ T5452] dump_backtrace+0x0/0x458 [ 75.753502][ T5452] show_stack+0x2c/0x3c [ 75.754261][ T5452] __dump_stack+0x30/0x40 [ 75.755067][ T5452] dump_stack_lvl+0xf4/0x15c [ 75.755793][ T5452] dump_stack+0x1c/0x5c [ 75.756527][ T5452] sysfs_create_dir_ns+0x244/0x264 [ 75.757372][ T5452] kobject_add_internal+0x5ac/0xc3c [ 75.758246][ T5452] kobject_init_and_add+0x124/0x190 [ 75.759093][ T5452] gfs2_sys_fs_add+0x200/0x41c [ 75.759919][ T5452] gfs2_fill_super+0xddc/0x1a18 [ 75.760744][ T5452] get_tree_bdev+0x358/0x544 [ 75.761565][ T5452] gfs2_get_tree+0x54/0x1b4 [ 75.762366][ T5452] vfs_get_tree+0x90/0x274 [ 75.763128][ T5452] do_new_mount+0x228/0x810 [ 75.763861][ T5452] path_mount+0x5bc/0x1008 [ 75.764535][ T5452] __arm64_sys_mount+0x514/0x5f0 [ 75.765349][ T5452] invoke_syscall+0x98/0x2b0 [ 75.766060][ T5452] el0_svc_common+0x138/0x258 [ 75.766721][ T5452] do_el0_svc+0x58/0x13c [ 75.767370][ T5452] el0_svc+0x78/0x1d0 [ 75.768045][ T5452] el0t_64_sync_handler+0xcc/0xe4 [ 75.768765][ T5452] el0t_64_sync+0x1a0/0x1a4 [ 75.794754][ T5486] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.796097][ T5486] CPU: 0 PID: 5486 Comm: syz.2.36 Not tainted syzkaller #0 [ 75.797316][ T5486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 75.799014][ T5486] Call trace: [ 75.799562][ T5486] dump_backtrace+0x0/0x458 [ 75.800305][ T5486] show_stack+0x2c/0x3c [ 75.801024][ T5486] __dump_stack+0x30/0x40 [ 75.801748][ T5486] dump_stack_lvl+0xf4/0x15c [ 75.802589][ T5486] dump_stack+0x1c/0x5c [ 75.803292][ T5486] sysfs_create_dir_ns+0x244/0x264 [ 75.804143][ T5486] kobject_add_internal+0x5ac/0xc3c [ 75.805025][ T5486] kobject_init_and_add+0x124/0x190 [ 75.805908][ T5486] gfs2_sys_fs_add+0x200/0x41c [ 75.806699][ T5486] gfs2_fill_super+0xddc/0x1a18 [ 75.807522][ T5486] get_tree_bdev+0x358/0x544 [ 75.808335][ T5486] gfs2_get_tree+0x54/0x1b4 [ 75.809060][ T5486] vfs_get_tree+0x90/0x274 [ 75.809752][ T5486] do_new_mount+0x228/0x810 [ 75.810095][ T5452] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.810462][ T5486] path_mount+0x5bc/0x1008 [ 75.812662][ T5452] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.813367][ T5486] __arm64_sys_mount+0x514/0x5f0 [ 75.815198][ T5486] invoke_syscall+0x98/0x2b0 [ 75.815969][ T5486] el0_svc_common+0x138/0x258 [ 75.816877][ T5486] do_el0_svc+0x58/0x13c [ 75.817591][ T5486] el0_svc+0x78/0x1d0 [ 75.818246][ T5486] el0t_64_sync_handler+0xcc/0xe4 [ 75.819064][ T5486] el0t_64_sync+0x1a0/0x1a4 [ 75.855170][ T5486] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.866023][ T5486] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.988234][ T5497] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.989481][ T5497] CPU: 1 PID: 5497 Comm: syz.3.37 Not tainted syzkaller #0 [ 75.990769][ T5497] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 75.992426][ T5497] Call trace: [ 75.992939][ T5497] dump_backtrace+0x0/0x458 [ 75.993702][ T5497] show_stack+0x2c/0x3c [ 75.994386][ T5497] __dump_stack+0x30/0x40 [ 75.995126][ T5497] dump_stack_lvl+0xf4/0x15c [ 75.995902][ T5497] dump_stack+0x1c/0x5c [ 75.996578][ T5497] sysfs_create_dir_ns+0x244/0x264 [ 75.997407][ T5497] kobject_add_internal+0x5ac/0xc3c [ 75.998305][ T5497] kobject_init_and_add+0x124/0x190 [ 75.999182][ T5497] gfs2_sys_fs_add+0x200/0x41c [ 75.999956][ T5497] gfs2_fill_super+0xddc/0x1a18 [ 76.000773][ T5497] get_tree_bdev+0x358/0x544 [ 76.001623][ T5497] gfs2_get_tree+0x54/0x1b4 [ 76.002365][ T5497] vfs_get_tree+0x90/0x274 [ 76.003110][ T5497] do_new_mount+0x228/0x810 [ 76.003868][ T5497] path_mount+0x5bc/0x1008 [ 76.004658][ T5497] __arm64_sys_mount+0x514/0x5f0 [ 76.005511][ T5497] invoke_syscall+0x98/0x2b0 [ 76.006281][ T5497] el0_svc_common+0x138/0x258 [ 76.007086][ T5497] do_el0_svc+0x58/0x13c [ 76.007812][ T5497] el0_svc+0x78/0x1d0 [ 76.008477][ T5497] el0t_64_sync_handler+0xcc/0xe4 [ 76.009328][ T5497] el0t_64_sync+0x1a0/0x1a4 [ 76.047507][ T5497] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.049650][ T5497] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.114838][ T5511] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.116087][ T5511] CPU: 0 PID: 5511 Comm: syz.0.38 Not tainted syzkaller #0 [ 76.117274][ T5511] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 76.118915][ T5511] Call trace: [ 76.119423][ T5511] dump_backtrace+0x0/0x458 [ 76.120211][ T5511] show_stack+0x2c/0x3c [ 76.120915][ T5511] __dump_stack+0x30/0x40 [ 76.121601][ T5511] dump_stack_lvl+0xf4/0x15c [ 76.122405][ T5511] dump_stack+0x1c/0x5c [ 76.123127][ T5511] sysfs_create_dir_ns+0x244/0x264 [ 76.123975][ T5511] kobject_add_internal+0x5ac/0xc3c [ 76.124824][ T5511] kobject_init_and_add+0x124/0x190 [ 76.125598][ T5511] gfs2_sys_fs_add+0x200/0x41c [ 76.126450][ T5511] gfs2_fill_super+0xddc/0x1a18 [ 76.127283][ T5511] get_tree_bdev+0x358/0x544 [ 76.128068][ T5511] gfs2_get_tree+0x54/0x1b4 [ 76.128852][ T5511] vfs_get_tree+0x90/0x274 [ 76.129626][ T5511] do_new_mount+0x228/0x810 [ 76.130399][ T5511] path_mount+0x5bc/0x1008 [ 76.131185][ T5511] __arm64_sys_mount+0x514/0x5f0 [ 76.132007][ T5511] invoke_syscall+0x98/0x2b0 [ 76.132829][ T5511] el0_svc_common+0x138/0x258 [ 76.133652][ T5511] do_el0_svc+0x58/0x13c [ 76.134403][ T5511] el0_svc+0x78/0x1d0 [ 76.135066][ T5511] el0t_64_sync_handler+0xcc/0xe4 [ 76.135903][ T5511] el0t_64_sync+0x1a0/0x1a4 [ 76.147812][ T5469] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.149030][ T5469] CPU: 1 PID: 5469 Comm: syz.4.19 Not tainted syzkaller #0 [ 76.150184][ T5469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 76.151985][ T5469] Call trace: [ 76.152574][ T5469] dump_backtrace+0x0/0x458 [ 76.153321][ T5469] show_stack+0x2c/0x3c [ 76.154040][ T5469] __dump_stack+0x30/0x40 [ 76.154757][ T5469] dump_stack_lvl+0xf4/0x15c [ 76.155529][ T5469] dump_stack+0x1c/0x5c [ 76.156238][ T5469] sysfs_create_dir_ns+0x244/0x264 [ 76.157112][ T5469] kobject_add_internal+0x5ac/0xc3c [ 76.157977][ T5469] kobject_init_and_add+0x124/0x190 [ 76.158843][ T5469] gfs2_sys_fs_add+0x200/0x41c [ 76.159642][ T5469] gfs2_fill_super+0xddc/0x1a18 [ 76.160473][ T5469] get_tree_bdev+0x358/0x544 [ 76.161196][ T5469] gfs2_get_tree+0x54/0x1b4 [ 76.161982][ T5469] vfs_get_tree+0x90/0x274 [ 76.162725][ T5469] do_new_mount+0x228/0x810 [ 76.163435][ T5469] path_mount+0x5bc/0x1008 [ 76.164149][ T5469] __arm64_sys_mount+0x514/0x5f0 [ 76.164920][ T5469] invoke_syscall+0x98/0x2b0 [ 76.165654][ T5469] el0_svc_common+0x138/0x258 [ 76.166444][ T5469] do_el0_svc+0x58/0x13c [ 76.167114][ T5469] el0_svc+0x78/0x1d0 [ 76.167792][ T5469] el0t_64_sync_handler+0xcc/0xe4 [ 76.168670][ T5469] el0t_64_sync+0x1a0/0x1a4 [ 76.187368][ T5511] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.189591][ T5511] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.218478][ T5469] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.220811][ T5469] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.272968][ T5486] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.274232][ T5486] CPU: 0 PID: 5486 Comm: syz.2.36 Not tainted syzkaller #0 [ 76.275577][ T5486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 76.277243][ T5486] Call trace: [ 76.277763][ T5486] dump_backtrace+0x0/0x458 [ 76.278494][ T5486] show_stack+0x2c/0x3c [ 76.279281][ T5486] __dump_stack+0x30/0x40 [ 76.280106][ T5486] dump_stack_lvl+0xf4/0x15c [ 76.280865][ T5486] dump_stack+0x1c/0x5c [ 76.281471][ T5486] sysfs_create_dir_ns+0x244/0x264 [ 76.282462][ T5486] kobject_add_internal+0x5ac/0xc3c [ 76.283337][ T5486] kobject_init_and_add+0x124/0x190 [ 76.284319][ T5486] gfs2_sys_fs_add+0x200/0x41c [ 76.285146][ T5486] gfs2_fill_super+0xddc/0x1a18 [ 76.285987][ T5486] get_tree_bdev+0x358/0x544 [ 76.286796][ T5486] gfs2_get_tree+0x54/0x1b4 [ 76.287545][ T5486] vfs_get_tree+0x90/0x274 [ 76.288279][ T5486] do_new_mount+0x228/0x810 [ 76.289028][ T5486] path_mount+0x5bc/0x1008 [ 76.289774][ T5486] __arm64_sys_mount+0x514/0x5f0 [ 76.290673][ T5486] invoke_syscall+0x98/0x2b0 [ 76.291443][ T5486] el0_svc_common+0x138/0x258 [ 76.292257][ T5486] do_el0_svc+0x58/0x13c [ 76.292975][ T5486] el0_svc+0x78/0x1d0 [ 76.293624][ T5486] el0t_64_sync_handler+0xcc/0xe4 [ 76.294459][ T5486] el0t_64_sync+0x1a0/0x1a4 [ 76.351412][ T5486] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.353737][ T5486] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.388119][ T5497] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.389424][ T5497] CPU: 1 PID: 5497 Comm: syz.3.37 Not tainted syzkaller #0 [ 76.390652][ T5497] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 76.392296][ T5497] Call trace: [ 76.392790][ T5497] dump_backtrace+0x0/0x458 [ 76.393566][ T5497] show_stack+0x2c/0x3c [ 76.394250][ T5497] __dump_stack+0x30/0x40 [ 76.394961][ T5497] dump_stack_lvl+0xf4/0x15c [ 76.395707][ T5497] dump_stack+0x1c/0x5c [ 76.396403][ T5497] sysfs_create_dir_ns+0x244/0x264 [ 76.397247][ T5497] kobject_add_internal+0x5ac/0xc3c [ 76.398156][ T5497] kobject_init_and_add+0x124/0x190 [ 76.399039][ T5497] gfs2_sys_fs_add+0x200/0x41c [ 76.399851][ T5497] gfs2_fill_super+0xddc/0x1a18 [ 76.400676][ T5497] get_tree_bdev+0x358/0x544 [ 76.401411][ T5497] gfs2_get_tree+0x54/0x1b4 [ 76.402169][ T5497] vfs_get_tree+0x90/0x274 [ 76.402873][ T5497] do_new_mount+0x228/0x810 [ 76.403642][ T5497] path_mount+0x5bc/0x1008 [ 76.404387][ T5497] __arm64_sys_mount+0x514/0x5f0 [ 76.405192][ T5497] invoke_syscall+0x98/0x2b0 [ 76.406077][ T5497] el0_svc_common+0x138/0x258 [ 76.406880][ T5497] do_el0_svc+0x58/0x13c [ 76.407659][ T5497] el0_svc+0x78/0x1d0 [ 76.408343][ T5497] el0t_64_sync_handler+0xcc/0xe4 [ 76.409148][ T5497] el0t_64_sync+0x1a0/0x1a4 [ 76.441436][ T5497] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.453706][ T5497] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.483041][ T5511] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.484362][ T5511] CPU: 0 PID: 5511 Comm: syz.0.38 Not tainted syzkaller #0 [ 76.485503][ T5511] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 76.487064][ T5511] Call trace: [ 76.487662][ T5511] dump_backtrace+0x0/0x458 [ 76.488430][ T5511] show_stack+0x2c/0x3c [ 76.489177][ T5511] __dump_stack+0x30/0x40 [ 76.489899][ T5511] dump_stack_lvl+0xf4/0x15c [ 76.490734][ T5511] dump_stack+0x1c/0x5c [ 76.491440][ T5511] sysfs_create_dir_ns+0x244/0x264 [ 76.492325][ T5511] kobject_add_internal+0x5ac/0xc3c [ 76.493140][ T5511] kobject_init_and_add+0x124/0x190 [ 76.494053][ T5511] gfs2_sys_fs_add+0x200/0x41c [ 76.494917][ T5511] gfs2_fill_super+0xddc/0x1a18 [ 76.495756][ T5511] get_tree_bdev+0x358/0x544 [ 76.496542][ T5511] gfs2_get_tree+0x54/0x1b4 [ 76.497265][ T5511] vfs_get_tree+0x90/0x274 [ 76.497967][ T5511] do_new_mount+0x228/0x810 [ 76.498735][ T5511] path_mount+0x5bc/0x1008 [ 76.499458][ T5511] __arm64_sys_mount+0x514/0x5f0 [ 76.500287][ T5511] invoke_syscall+0x98/0x2b0 [ 76.501071][ T5511] el0_svc_common+0x138/0x258 [ 76.501843][ T5511] do_el0_svc+0x58/0x13c [ 76.502630][ T5511] el0_svc+0x78/0x1d0 [ 76.503304][ T5511] el0t_64_sync_handler+0xcc/0xe4 [ 76.504147][ T5511] el0t_64_sync+0x1a0/0x1a4 [ 76.546185][ T5511] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.553281][ T5511] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.579406][ T5536] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.580583][ T5536] CPU: 1 PID: 5536 Comm: syz.4.39 Not tainted syzkaller #0 [ 76.581794][ T5536] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 76.583564][ T5536] Call trace: [ 76.584042][ T5536] dump_backtrace+0x0/0x458 [ 76.584807][ T5536] show_stack+0x2c/0x3c [ 76.585440][ T5536] __dump_stack+0x30/0x40 [ 76.586218][ T5536] dump_stack_lvl+0xf4/0x15c [ 76.587015][ T5536] dump_stack+0x1c/0x5c [ 76.587752][ T5536] sysfs_create_dir_ns+0x244/0x264 [ 76.588663][ T5536] kobject_add_internal+0x5ac/0xc3c [ 76.589540][ T5536] kobject_init_and_add+0x124/0x190 [ 76.590344][ T5536] gfs2_sys_fs_add+0x200/0x41c [ 76.591098][ T5536] gfs2_fill_super+0xddc/0x1a18 [ 76.591862][ T5536] get_tree_bdev+0x358/0x544 [ 76.592574][ T5536] gfs2_get_tree+0x54/0x1b4 [ 76.593315][ T5536] vfs_get_tree+0x90/0x274 [ 76.594000][ T5536] do_new_mount+0x228/0x810 [ 76.594741][ T5536] path_mount+0x5bc/0x1008 [ 76.595455][ T5536] __arm64_sys_mount+0x514/0x5f0 [ 76.596269][ T5536] invoke_syscall+0x98/0x2b0 [ 76.597021][ T5536] el0_svc_common+0x138/0x258 [ 76.597744][ T5536] do_el0_svc+0x58/0x13c [ 76.598424][ T5536] el0_svc+0x78/0x1d0 [ 76.599016][ T5536] el0t_64_sync_handler+0xcc/0xe4 [ 76.599844][ T5536] el0t_64_sync+0x1a0/0x1a4 [ 76.607677][ T5536] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.609873][ T5536] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.710967][ T5543] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.712221][ T5543] CPU: 1 PID: 5543 Comm: syz.2.40 Not tainted syzkaller #0 [ 76.713421][ T5543] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 76.715074][ T5543] Call trace: [ 76.715642][ T5543] dump_backtrace+0x0/0x458 [ 76.716410][ T5543] show_stack+0x2c/0x3c [ 76.717207][ T5543] __dump_stack+0x30/0x40 [ 76.717947][ T5543] dump_stack_lvl+0xf4/0x15c [ 76.718684][ T5543] dump_stack+0x1c/0x5c [ 76.719298][ T5543] sysfs_create_dir_ns+0x244/0x264 [ 76.720170][ T5543] kobject_add_internal+0x5ac/0xc3c [ 76.721047][ T5543] kobject_init_and_add+0x124/0x190 [ 76.721857][ T5543] gfs2_sys_fs_add+0x200/0x41c [ 76.722632][ T5543] gfs2_fill_super+0xddc/0x1a18 [ 76.723409][ T5543] get_tree_bdev+0x358/0x544 [ 76.724133][ T5543] gfs2_get_tree+0x54/0x1b4 [ 76.724827][ T5543] vfs_get_tree+0x90/0x274 [ 76.725571][ T5543] do_new_mount+0x228/0x810 [ 76.726285][ T5543] path_mount+0x5bc/0x1008 [ 76.726983][ T5543] __arm64_sys_mount+0x514/0x5f0 [ 76.727816][ T5543] invoke_syscall+0x98/0x2b0 [ 76.728629][ T5543] el0_svc_common+0x138/0x258 [ 76.729439][ T5543] do_el0_svc+0x58/0x13c [ 76.730184][ T5543] el0_svc+0x78/0x1d0 [ 76.730849][ T5543] el0t_64_sync_handler+0xcc/0xe4 [ 76.731624][ T5543] el0t_64_sync+0x1a0/0x1a4 [ 76.777448][ T5543] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.779725][ T5543] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.920340][ T5556] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.921658][ T5556] CPU: 1 PID: 5556 Comm: syz.3.41 Not tainted syzkaller #0 [ 76.922743][ T5556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 76.924372][ T5556] Call trace: [ 76.924953][ T5556] dump_backtrace+0x0/0x458 [ 76.925735][ T5556] show_stack+0x2c/0x3c [ 76.926453][ T5556] __dump_stack+0x30/0x40 [ 76.927205][ T5556] dump_stack_lvl+0xf4/0x15c [ 76.927981][ T5556] dump_stack+0x1c/0x5c [ 76.928729][ T5556] sysfs_create_dir_ns+0x244/0x264 [ 76.929623][ T5556] kobject_add_internal+0x5ac/0xc3c [ 76.930505][ T5556] kobject_init_and_add+0x124/0x190 [ 76.931422][ T5556] gfs2_sys_fs_add+0x200/0x41c [ 76.932223][ T5556] gfs2_fill_super+0xddc/0x1a18 [ 76.933018][ T5556] get_tree_bdev+0x358/0x544 [ 76.933743][ T5556] gfs2_get_tree+0x54/0x1b4 [ 76.934493][ T5556] vfs_get_tree+0x90/0x274 [ 76.935190][ T5556] do_new_mount+0x228/0x810 [ 76.935928][ T5556] path_mount+0x5bc/0x1008 [ 76.936676][ T5556] __arm64_sys_mount+0x514/0x5f0 [ 76.937524][ T5556] invoke_syscall+0x98/0x2b0 [ 76.938219][ T5556] el0_svc_common+0x138/0x258 [ 76.938940][ T5556] do_el0_svc+0x58/0x13c [ 76.939582][ T5556] el0_svc+0x78/0x1d0 [ 76.940164][ T5556] el0t_64_sync_handler+0xcc/0xe4 [ 76.940894][ T5556] el0t_64_sync+0x1a0/0x1a4 [ 76.942799][ T5536] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.944039][ T5536] CPU: 0 PID: 5536 Comm: syz.4.39 Not tainted syzkaller #0 [ 76.945210][ T5536] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 76.946883][ T5536] Call trace: [ 76.947458][ T5536] dump_backtrace+0x0/0x458 [ 76.948242][ T5536] show_stack+0x2c/0x3c [ 76.948960][ T5536] __dump_stack+0x30/0x40 [ 76.949665][ T5536] dump_stack_lvl+0xf4/0x15c [ 76.950447][ T5536] dump_stack+0x1c/0x5c [ 76.951169][ T5536] sysfs_create_dir_ns+0x244/0x264 [ 76.952102][ T5536] kobject_add_internal+0x5ac/0xc3c [ 76.952917][ T5536] kobject_init_and_add+0x124/0x190 [ 76.953867][ T5536] gfs2_sys_fs_add+0x200/0x41c [ 76.954697][ T5536] gfs2_fill_super+0xddc/0x1a18 [ 76.955599][ T5536] get_tree_bdev+0x358/0x544 [ 76.956347][ T5536] gfs2_get_tree+0x54/0x1b4 [ 76.957092][ T5536] vfs_get_tree+0x90/0x274 [ 76.957828][ T5536] do_new_mount+0x228/0x810 [ 76.958530][ T5536] path_mount+0x5bc/0x1008 [ 76.959305][ T5536] __arm64_sys_mount+0x514/0x5f0 [ 76.960194][ T5536] invoke_syscall+0x98/0x2b0 [ 76.961026][ T5536] el0_svc_common+0x138/0x258 [ 76.961853][ T5536] do_el0_svc+0x58/0x13c [ 76.962622][ T5536] el0_svc+0x78/0x1d0 [ 76.963294][ T5536] el0t_64_sync_handler+0xcc/0xe4 [ 76.964275][ T5536] el0t_64_sync+0x1a0/0x1a4 [ 76.968815][ T5536] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.981753][ T5536] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.985556][ T5556] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.999861][ T5566] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.000430][ T5556] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.001222][ T5566] CPU: 0 PID: 5566 Comm: syz.0.42 Not tainted syzkaller #0 [ 77.003535][ T5566] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 77.005153][ T5566] Call trace: [ 77.005688][ T5566] dump_backtrace+0x0/0x458 [ 77.006445][ T5566] show_stack+0x2c/0x3c [ 77.007122][ T5566] __dump_stack+0x30/0x40 [ 77.007927][ T5566] dump_stack_lvl+0xf4/0x15c [ 77.008724][ T5566] dump_stack+0x1c/0x5c [ 77.009423][ T5566] sysfs_create_dir_ns+0x244/0x264 [ 77.010245][ T5566] kobject_add_internal+0x5ac/0xc3c [ 77.011143][ T5566] kobject_init_and_add+0x124/0x190 [ 77.012042][ T5566] gfs2_sys_fs_add+0x200/0x41c [ 77.012848][ T5566] gfs2_fill_super+0xddc/0x1a18 [ 77.013658][ T5566] get_tree_bdev+0x358/0x544 [ 77.014464][ T5566] gfs2_get_tree+0x54/0x1b4 [ 77.015196][ T5566] vfs_get_tree+0x90/0x274 [ 77.015907][ T5566] do_new_mount+0x228/0x810 [ 77.016604][ T5566] path_mount+0x5bc/0x1008 [ 77.017406][ T5566] __arm64_sys_mount+0x514/0x5f0 [ 77.018248][ T5566] invoke_syscall+0x98/0x2b0 [ 77.019020][ T5566] el0_svc_common+0x138/0x258 [ 77.019908][ T5566] do_el0_svc+0x58/0x13c [ 77.020565][ T5566] el0_svc+0x78/0x1d0 [ 77.021219][ T5566] el0t_64_sync_handler+0xcc/0xe4 [ 77.022088][ T5566] el0t_64_sync+0x1a0/0x1a4 [ 77.043526][ T5566] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.045968][ T5566] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.089927][ T5543] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.091239][ T5543] CPU: 1 PID: 5543 Comm: syz.2.40 Not tainted syzkaller #0 [ 77.092472][ T5543] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 77.094180][ T5543] Call trace: [ 77.094669][ T5543] dump_backtrace+0x0/0x458 [ 77.095416][ T5543] show_stack+0x2c/0x3c [ 77.096119][ T5543] __dump_stack+0x30/0x40 [ 77.096844][ T5543] dump_stack_lvl+0xf4/0x15c [ 77.097659][ T5543] dump_stack+0x1c/0x5c [ 77.098436][ T5543] sysfs_create_dir_ns+0x244/0x264 [ 77.099323][ T5543] kobject_add_internal+0x5ac/0xc3c [ 77.100184][ T5543] kobject_init_and_add+0x124/0x190 [ 77.101152][ T5543] gfs2_sys_fs_add+0x200/0x41c [ 77.101993][ T5543] gfs2_fill_super+0xddc/0x1a18 [ 77.102816][ T5543] get_tree_bdev+0x358/0x544 [ 77.103597][ T5543] gfs2_get_tree+0x54/0x1b4 [ 77.104308][ T5543] vfs_get_tree+0x90/0x274 [ 77.105065][ T5543] do_new_mount+0x228/0x810 [ 77.105835][ T5543] path_mount+0x5bc/0x1008 [ 77.106588][ T5543] __arm64_sys_mount+0x514/0x5f0 [ 77.107461][ T5543] invoke_syscall+0x98/0x2b0 [ 77.108276][ T5543] el0_svc_common+0x138/0x258 [ 77.109097][ T5543] do_el0_svc+0x58/0x13c [ 77.109833][ T5543] el0_svc+0x78/0x1d0 [ 77.110471][ T5543] el0t_64_sync_handler+0xcc/0xe4 [ 77.111307][ T5543] el0t_64_sync+0x1a0/0x1a4 [ 77.157366][ T5543] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.159539][ T5543] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.331806][ T5566] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.335938][ T5566] CPU: 0 PID: 5566 Comm: syz.0.42 Not tainted syzkaller #0 [ 77.337156][ T5566] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 77.338875][ T5566] Call trace: [ 77.339436][ T5566] dump_backtrace+0x0/0x458 [ 77.340268][ T5566] show_stack+0x2c/0x3c [ 77.341008][ T5566] __dump_stack+0x30/0x40 [ 77.341703][ T5566] dump_stack_lvl+0xf4/0x15c [ 77.342453][ T5566] dump_stack+0x1c/0x5c [ 77.343150][ T5566] sysfs_create_dir_ns+0x244/0x264 [ 77.344025][ T5566] kobject_add_internal+0x5ac/0xc3c [ 77.344929][ T5566] kobject_init_and_add+0x124/0x190 [ 77.345842][ T5566] gfs2_sys_fs_add+0x200/0x41c [ 77.346651][ T5566] gfs2_fill_super+0xddc/0x1a18 [ 77.347426][ T5556] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.347458][ T5566] get_tree_bdev+0x358/0x544 [ 77.349367][ T5566] gfs2_get_tree+0x54/0x1b4 [ 77.350137][ T5566] vfs_get_tree+0x90/0x274 [ 77.350932][ T5566] do_new_mount+0x228/0x810 [ 77.351792][ T5566] path_mount+0x5bc/0x1008 [ 77.352531][ T5566] __arm64_sys_mount+0x514/0x5f0 [ 77.353392][ T5566] invoke_syscall+0x98/0x2b0 [ 77.354157][ T5566] el0_svc_common+0x138/0x258 [ 77.354921][ T5566] do_el0_svc+0x58/0x13c [ 77.355582][ T5566] el0_svc+0x78/0x1d0 [ 77.356251][ T5566] el0t_64_sync_handler+0xcc/0xe4 [ 77.357062][ T5566] el0t_64_sync+0x1a0/0x1a4 [ 77.368948][ T5556] CPU: 1 PID: 5556 Comm: syz.3.41 Not tainted syzkaller #0 [ 77.370189][ T5556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 77.371887][ T5556] Call trace: [ 77.372453][ T5556] dump_backtrace+0x0/0x458 [ 77.373217][ T5556] show_stack+0x2c/0x3c [ 77.373923][ T5556] __dump_stack+0x30/0x40 [ 77.374685][ T5556] dump_stack_lvl+0xf4/0x15c [ 77.375450][ T5556] dump_stack+0x1c/0x5c [ 77.376075][ T5556] sysfs_create_dir_ns+0x244/0x264 [ 77.376855][ T5556] kobject_add_internal+0x5ac/0xc3c [ 77.377711][ T5556] kobject_init_and_add+0x124/0x190 [ 77.378598][ T5556] gfs2_sys_fs_add+0x200/0x41c [ 77.379356][ T5556] gfs2_fill_super+0xddc/0x1a18 [ 77.380159][ T5556] get_tree_bdev+0x358/0x544 [ 77.380957][ T5556] gfs2_get_tree+0x54/0x1b4 [ 77.381684][ T5556] vfs_get_tree+0x90/0x274 [ 77.382472][ T5556] do_new_mount+0x228/0x810 [ 77.383205][ T5556] path_mount+0x5bc/0x1008 [ 77.383952][ T5556] __arm64_sys_mount+0x514/0x5f0 [ 77.384830][ T5556] invoke_syscall+0x98/0x2b0 [ 77.385665][ T5556] el0_svc_common+0x138/0x258 [ 77.386487][ T5556] do_el0_svc+0x58/0x13c [ 77.387215][ T5556] el0_svc+0x78/0x1d0 [ 77.387865][ T5556] el0t_64_sync_handler+0xcc/0xe4 [ 77.388612][ T5556] el0t_64_sync+0x1a0/0x1a4 [ 77.402256][ T5566] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.404539][ T5566] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.407364][ T5556] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.409462][ T5556] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.420831][ T5583] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.422032][ T5583] CPU: 1 PID: 5583 Comm: syz.4.43 Not tainted syzkaller #0 [ 77.423245][ T5583] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 77.424929][ T5583] Call trace: [ 77.425486][ T5583] dump_backtrace+0x0/0x458 [ 77.426241][ T5583] show_stack+0x2c/0x3c [ 77.426870][ T5583] __dump_stack+0x30/0x40 [ 77.427510][ T5583] dump_stack_lvl+0xf4/0x15c [ 77.428278][ T5583] dump_stack+0x1c/0x5c [ 77.428991][ T5583] sysfs_create_dir_ns+0x244/0x264 [ 77.429892][ T5583] kobject_add_internal+0x5ac/0xc3c [ 77.430774][ T5583] kobject_init_and_add+0x124/0x190 [ 77.431640][ T5583] gfs2_sys_fs_add+0x200/0x41c [ 77.432397][ T5583] gfs2_fill_super+0xddc/0x1a18 [ 77.433189][ T5583] get_tree_bdev+0x358/0x544 [ 77.433990][ T5583] gfs2_get_tree+0x54/0x1b4 [ 77.434712][ T5583] vfs_get_tree+0x90/0x274 [ 77.435459][ T5583] do_new_mount+0x228/0x810 [ 77.436209][ T5583] path_mount+0x5bc/0x1008 [ 77.436968][ T5583] __arm64_sys_mount+0x514/0x5f0 [ 77.437764][ T5583] invoke_syscall+0x98/0x2b0 [ 77.438487][ T5583] el0_svc_common+0x138/0x258 [ 77.439235][ T5583] do_el0_svc+0x58/0x13c [ 77.439903][ T5583] el0_svc+0x78/0x1d0 [ 77.440521][ T5583] el0t_64_sync_handler+0xcc/0xe4 [ 77.441323][ T5583] el0t_64_sync+0x1a0/0x1a4 [ 77.451087][ T5583] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.453373][ T5583] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.454491][ T5596] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.455683][ T5596] CPU: 1 PID: 5596 Comm: syz.2.44 Not tainted syzkaller #0 [ 77.456788][ T5596] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 77.458449][ T5596] Call trace: [ 77.458991][ T5596] dump_backtrace+0x0/0x458 [ 77.459746][ T5596] show_stack+0x2c/0x3c [ 77.460354][ T5596] __dump_stack+0x30/0x40 [ 77.461031][ T5596] dump_stack_lvl+0xf4/0x15c [ 77.461751][ T5596] dump_stack+0x1c/0x5c [ 77.462485][ T5596] sysfs_create_dir_ns+0x244/0x264 [ 77.463307][ T5596] kobject_add_internal+0x5ac/0xc3c [ 77.464180][ T5596] kobject_init_and_add+0x124/0x190 [ 77.465090][ T5596] gfs2_sys_fs_add+0x200/0x41c [ 77.465880][ T5596] gfs2_fill_super+0xddc/0x1a18 [ 77.466716][ T5596] get_tree_bdev+0x358/0x544 [ 77.467490][ T5596] gfs2_get_tree+0x54/0x1b4 [ 77.468230][ T5596] vfs_get_tree+0x90/0x274 [ 77.469021][ T5596] do_new_mount+0x228/0x810 [ 77.469738][ T5596] path_mount+0x5bc/0x1008 [ 77.470450][ T5596] __arm64_sys_mount+0x514/0x5f0 [ 77.471222][ T5596] invoke_syscall+0x98/0x2b0 [ 77.471980][ T5596] el0_svc_common+0x138/0x258 [ 77.472764][ T5596] do_el0_svc+0x58/0x13c [ 77.473477][ T5596] el0_svc+0x78/0x1d0 [ 77.474134][ T5596] el0t_64_sync_handler+0xcc/0xe4 [ 77.474939][ T5596] el0t_64_sync+0x1a0/0x1a4 [ 77.496214][ T5596] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.498500][ T5596] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.709005][ T5583] set_capacity_and_notify: 26 callbacks suppressed [ 77.709015][ T5583] loop4: detected capacity change from 0 to 32768 [ 77.737690][ T5596] loop2: detected capacity change from 0 to 32768 [ 77.773212][ T5596] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.774472][ T5596] CPU: 1 PID: 5596 Comm: syz.2.44 Not tainted syzkaller #0 [ 77.775677][ T5596] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 77.777304][ T5596] Call trace: [ 77.777797][ T5596] dump_backtrace+0x0/0x458 [ 77.778590][ T5596] show_stack+0x2c/0x3c [ 77.779278][ T5596] __dump_stack+0x30/0x40 [ 77.780095][ T5596] dump_stack_lvl+0xf4/0x15c [ 77.780903][ T5596] dump_stack+0x1c/0x5c [ 77.781635][ T5596] sysfs_create_dir_ns+0x244/0x264 [ 77.782504][ T5596] kobject_add_internal+0x5ac/0xc3c [ 77.783332][ T5596] kobject_init_and_add+0x124/0x190 [ 77.784233][ T5596] gfs2_sys_fs_add+0x200/0x41c [ 77.784988][ T5596] gfs2_fill_super+0xddc/0x1a18 [ 77.785782][ T5596] get_tree_bdev+0x358/0x544 [ 77.786576][ T5596] gfs2_get_tree+0x54/0x1b4 [ 77.787320][ T5596] vfs_get_tree+0x90/0x274 [ 77.788086][ T5596] do_new_mount+0x228/0x810 [ 77.788814][ T5596] path_mount+0x5bc/0x1008 [ 77.789538][ T5596] __arm64_sys_mount+0x514/0x5f0 [ 77.790329][ T5596] invoke_syscall+0x98/0x2b0 [ 77.791072][ T5596] el0_svc_common+0x138/0x258 [ 77.791851][ T5596] do_el0_svc+0x58/0x13c [ 77.792574][ T5596] el0_svc+0x78/0x1d0 [ 77.793270][ T5596] el0t_64_sync_handler+0xcc/0xe4 [ 77.794155][ T5596] el0t_64_sync+0x1a0/0x1a4 [ 77.796003][ T5583] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.797249][ T5583] CPU: 1 PID: 5583 Comm: syz.4.43 Not tainted syzkaller #0 [ 77.798465][ T5583] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 77.800157][ T5583] Call trace: [ 77.800708][ T5583] dump_backtrace+0x0/0x458 [ 77.801434][ T5583] show_stack+0x2c/0x3c [ 77.802097][ T5583] __dump_stack+0x30/0x40 [ 77.802791][ T5583] dump_stack_lvl+0xf4/0x15c [ 77.803549][ T5583] dump_stack+0x1c/0x5c [ 77.804199][ T5583] sysfs_create_dir_ns+0x244/0x264 [ 77.805027][ T5583] kobject_add_internal+0x5ac/0xc3c [ 77.805826][ T5583] kobject_init_and_add+0x124/0x190 [ 77.806683][ T5583] gfs2_sys_fs_add+0x200/0x41c [ 77.807460][ T5583] gfs2_fill_super+0xddc/0x1a18 [ 77.808298][ T5583] get_tree_bdev+0x358/0x544 [ 77.809070][ T5583] gfs2_get_tree+0x54/0x1b4 [ 77.809814][ T5583] vfs_get_tree+0x90/0x274 [ 77.810515][ T5583] do_new_mount+0x228/0x810 [ 77.811261][ T5583] path_mount+0x5bc/0x1008 [ 77.811976][ T5583] __arm64_sys_mount+0x514/0x5f0 [ 77.812745][ T5583] invoke_syscall+0x98/0x2b0 [ 77.813488][ T5583] el0_svc_common+0x138/0x258 [ 77.814190][ T5583] do_el0_svc+0x58/0x13c [ 77.814773][ T5583] el0_svc+0x78/0x1d0 [ 77.815445][ T5583] el0t_64_sync_handler+0xcc/0xe4 [ 77.816273][ T5583] el0t_64_sync+0x1a0/0x1a4 [ 77.833838][ T5628] loop3: detected capacity change from 0 to 32768 [ 77.837324][ T5596] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.839487][ T5596] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.840622][ T5583] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.843172][ T5583] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.850489][ T5621] loop0: detected capacity change from 0 to 32768 [ 77.858773][ T5628] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.867423][ T5628] CPU: 0 PID: 5628 Comm: syz.3.46 Not tainted syzkaller #0 [ 77.868587][ T5628] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 77.870288][ T5628] Call trace: [ 77.870895][ T5628] dump_backtrace+0x0/0x458 [ 77.871668][ T5628] show_stack+0x2c/0x3c [ 77.872370][ T5628] __dump_stack+0x30/0x40 [ 77.873126][ T5628] dump_stack_lvl+0xf4/0x15c [ 77.873906][ T5628] dump_stack+0x1c/0x5c [ 77.874651][ T5628] sysfs_create_dir_ns+0x244/0x264 [ 77.875562][ T5628] kobject_add_internal+0x5ac/0xc3c [ 77.876391][ T5628] kobject_init_and_add+0x124/0x190 [ 77.877308][ T5628] gfs2_sys_fs_add+0x200/0x41c [ 77.878156][ T5628] gfs2_fill_super+0xddc/0x1a18 [ 77.878975][ T5628] get_tree_bdev+0x358/0x544 [ 77.879812][ T5628] gfs2_get_tree+0x54/0x1b4 [ 77.880142][ T5621] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.880618][ T5628] vfs_get_tree+0x90/0x274 [ 77.882558][ T5628] do_new_mount+0x228/0x810 [ 77.883267][ T5628] path_mount+0x5bc/0x1008 [ 77.884017][ T5628] __arm64_sys_mount+0x514/0x5f0 [ 77.884987][ T5628] invoke_syscall+0x98/0x2b0 [ 77.885785][ T5628] el0_svc_common+0x138/0x258 [ 77.886602][ T5628] do_el0_svc+0x58/0x13c [ 77.887338][ T5628] el0_svc+0x78/0x1d0 [ 77.888012][ T5628] el0t_64_sync_handler+0xcc/0xe4 [ 77.888912][ T5628] el0t_64_sync+0x1a0/0x1a4 [ 77.889762][ T5621] CPU: 1 PID: 5621 Comm: syz.0.45 Not tainted syzkaller #0 [ 77.891022][ T5621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 77.892649][ T5621] Call trace: [ 77.893174][ T5621] dump_backtrace+0x0/0x458 [ 77.893958][ T5621] show_stack+0x2c/0x3c [ 77.894545][ T5621] __dump_stack+0x30/0x40 [ 77.895259][ T5621] dump_stack_lvl+0xf4/0x15c [ 77.895971][ T5621] dump_stack+0x1c/0x5c [ 77.896627][ T5621] sysfs_create_dir_ns+0x244/0x264 [ 77.897455][ T5621] kobject_add_internal+0x5ac/0xc3c [ 77.898368][ T5621] kobject_init_and_add+0x124/0x190 [ 77.899223][ T5621] gfs2_sys_fs_add+0x200/0x41c [ 77.900073][ T5621] gfs2_fill_super+0xddc/0x1a18 [ 77.900924][ T5621] get_tree_bdev+0x358/0x544 [ 77.901709][ T5621] gfs2_get_tree+0x54/0x1b4 [ 77.902464][ T5621] vfs_get_tree+0x90/0x274 [ 77.903188][ T5621] do_new_mount+0x228/0x810 [ 77.903999][ T5621] path_mount+0x5bc/0x1008 [ 77.904788][ T5621] __arm64_sys_mount+0x514/0x5f0 [ 77.905674][ T5621] invoke_syscall+0x98/0x2b0 [ 77.906452][ T5621] el0_svc_common+0x138/0x258 [ 77.907339][ T5621] do_el0_svc+0x58/0x13c [ 77.908067][ T5621] el0_svc+0x78/0x1d0 [ 77.908747][ T5621] el0t_64_sync_handler+0xcc/0xe4 [ 77.909595][ T5621] el0t_64_sync+0x1a0/0x1a4 [ 77.911419][ T5628] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.913701][ T5628] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.950926][ T5621] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.953233][ T5621] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.076724][ T5639] loop2: detected capacity change from 0 to 32768 [ 78.110313][ T5639] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.111619][ T5639] CPU: 0 PID: 5639 Comm: syz.2.47 Not tainted syzkaller #0 [ 78.112770][ T5639] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 78.114441][ T5639] Call trace: [ 78.115048][ T5639] dump_backtrace+0x0/0x458 [ 78.115786][ T5639] show_stack+0x2c/0x3c [ 78.116553][ T5639] __dump_stack+0x30/0x40 [ 78.117286][ T5639] dump_stack_lvl+0xf4/0x15c [ 78.118107][ T5639] dump_stack+0x1c/0x5c [ 78.118818][ T5639] sysfs_create_dir_ns+0x244/0x264 [ 78.119721][ T5639] kobject_add_internal+0x5ac/0xc3c [ 78.120583][ T5639] kobject_init_and_add+0x124/0x190 [ 78.121472][ T5639] gfs2_sys_fs_add+0x200/0x41c [ 78.122274][ T5639] gfs2_fill_super+0xddc/0x1a18 [ 78.123096][ T5639] get_tree_bdev+0x358/0x544 [ 78.123906][ T5639] gfs2_get_tree+0x54/0x1b4 [ 78.124702][ T5639] vfs_get_tree+0x90/0x274 [ 78.125468][ T5639] do_new_mount+0x228/0x810 [ 78.126230][ T5639] path_mount+0x5bc/0x1008 [ 78.126969][ T5639] __arm64_sys_mount+0x514/0x5f0 [ 78.127752][ T5639] invoke_syscall+0x98/0x2b0 [ 78.128439][ T5639] el0_svc_common+0x138/0x258 [ 78.129224][ T5639] do_el0_svc+0x58/0x13c [ 78.129918][ T5639] el0_svc+0x78/0x1d0 [ 78.130568][ T5639] el0t_64_sync_handler+0xcc/0xe4 [ 78.131368][ T5639] el0t_64_sync+0x1a0/0x1a4 [ 78.151748][ T5628] loop3: detected capacity change from 0 to 32768 [ 78.157821][ T5628] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.159020][ T5628] CPU: 0 PID: 5628 Comm: syz.3.46 Not tainted syzkaller #0 [ 78.159650][ T5638] loop4: detected capacity change from 0 to 32768 [ 78.160253][ T5628] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 78.163066][ T5628] Call trace: [ 78.163597][ T5628] dump_backtrace+0x0/0x458 [ 78.164354][ T5628] show_stack+0x2c/0x3c [ 78.165132][ T5628] __dump_stack+0x30/0x40 [ 78.165882][ T5628] dump_stack_lvl+0xf4/0x15c [ 78.166700][ T5628] dump_stack+0x1c/0x5c [ 78.167402][ T5628] sysfs_create_dir_ns+0x244/0x264 [ 78.168275][ T5628] kobject_add_internal+0x5ac/0xc3c [ 78.169139][ T5628] kobject_init_and_add+0x124/0x190 [ 78.170010][ T5628] gfs2_sys_fs_add+0x200/0x41c [ 78.170812][ T5628] gfs2_fill_super+0xddc/0x1a18 [ 78.171603][ T5628] get_tree_bdev+0x358/0x544 [ 78.172362][ T5628] gfs2_get_tree+0x54/0x1b4 [ 78.173144][ T5628] vfs_get_tree+0x90/0x274 [ 78.173887][ T5628] do_new_mount+0x228/0x810 [ 78.173933][ T5621] loop0: detected capacity change from 0 to 32768 [ 78.174611][ T5628] path_mount+0x5bc/0x1008 [ 78.175821][ T5639] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.176351][ T5628] __arm64_sys_mount+0x514/0x5f0 [ 78.178561][ T5639] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.179269][ T5628] invoke_syscall+0x98/0x2b0 [ 78.180981][ T5628] el0_svc_common+0x138/0x258 [ 78.181694][ T5628] do_el0_svc+0x58/0x13c [ 78.182256][ T5628] el0_svc+0x78/0x1d0 [ 78.182854][ T5628] el0t_64_sync_handler+0xcc/0xe4 [ 78.183665][ T5628] el0t_64_sync+0x1a0/0x1a4 [ 78.187762][ T5628] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.189676][ T5628] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.199173][ T5638] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.200460][ T5638] CPU: 1 PID: 5638 Comm: syz.4.48 Not tainted syzkaller #0 [ 78.201687][ T5638] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 78.203436][ T5638] Call trace: [ 78.204005][ T5638] dump_backtrace+0x0/0x458 [ 78.204815][ T5638] show_stack+0x2c/0x3c [ 78.205477][ T5638] __dump_stack+0x30/0x40 [ 78.206190][ T5638] dump_stack_lvl+0xf4/0x15c [ 78.206928][ T5638] dump_stack+0x1c/0x5c [ 78.207622][ T5638] sysfs_create_dir_ns+0x244/0x264 [ 78.208427][ T5638] kobject_add_internal+0x5ac/0xc3c [ 78.209295][ T5638] kobject_init_and_add+0x124/0x190 [ 78.210169][ T5638] gfs2_sys_fs_add+0x200/0x41c [ 78.210967][ T5638] gfs2_fill_super+0xddc/0x1a18 [ 78.211769][ T5638] get_tree_bdev+0x358/0x544 [ 78.212510][ T5638] gfs2_get_tree+0x54/0x1b4 [ 78.213309][ T5638] vfs_get_tree+0x90/0x274 [ 78.214075][ T5638] do_new_mount+0x228/0x810 [ 78.214916][ T5638] path_mount+0x5bc/0x1008 [ 78.215715][ T5638] __arm64_sys_mount+0x514/0x5f0 [ 78.216547][ T5638] invoke_syscall+0x98/0x2b0 [ 78.217372][ T5638] el0_svc_common+0x138/0x258 [ 78.218194][ T5638] do_el0_svc+0x58/0x13c [ 78.218895][ T5638] el0_svc+0x78/0x1d0 [ 78.219521][ T5638] el0t_64_sync_handler+0xcc/0xe4 [ 78.220412][ T5638] el0t_64_sync+0x1a0/0x1a4 [ 78.222184][ T5621] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.223398][ T5621] CPU: 1 PID: 5621 Comm: syz.0.45 Not tainted syzkaller #0 [ 78.224580][ T5621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 78.226181][ T5621] Call trace: [ 78.226749][ T5621] dump_backtrace+0x0/0x458 [ 78.227490][ T5621] show_stack+0x2c/0x3c [ 78.228134][ T5621] __dump_stack+0x30/0x40 [ 78.228857][ T5621] dump_stack_lvl+0xf4/0x15c [ 78.229623][ T5621] dump_stack+0x1c/0x5c [ 78.230347][ T5621] sysfs_create_dir_ns+0x244/0x264 [ 78.231230][ T5621] kobject_add_internal+0x5ac/0xc3c [ 78.232076][ T5621] kobject_init_and_add+0x124/0x190 [ 78.232903][ T5621] gfs2_sys_fs_add+0x200/0x41c [ 78.233742][ T5621] gfs2_fill_super+0xddc/0x1a18 [ 78.234598][ T5621] get_tree_bdev+0x358/0x544 [ 78.235356][ T5621] gfs2_get_tree+0x54/0x1b4 [ 78.236182][ T5621] vfs_get_tree+0x90/0x274 [ 78.236986][ T5621] do_new_mount+0x228/0x810 [ 78.237769][ T5621] path_mount+0x5bc/0x1008 [ 78.238517][ T5621] __arm64_sys_mount+0x514/0x5f0 [ 78.239354][ T5621] invoke_syscall+0x98/0x2b0 [ 78.240139][ T5621] el0_svc_common+0x138/0x258 [ 78.240947][ T5621] do_el0_svc+0x58/0x13c [ 78.241664][ T5621] el0_svc+0x78/0x1d0 [ 78.242327][ T5621] el0t_64_sync_handler+0xcc/0xe4 [ 78.243225][ T5621] el0t_64_sync+0x1a0/0x1a4 [ 78.267772][ T5621] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.270137][ T5638] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.272219][ T5638] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.273560][ T5621] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.421316][ T5641] loop3: detected capacity change from 0 to 32768 [ 78.425711][ T5641] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.426992][ T5641] CPU: 0 PID: 5641 Comm: syz.3.49 Not tainted syzkaller #0 [ 78.428211][ T5641] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 78.429930][ T5641] Call trace: [ 78.430499][ T5641] dump_backtrace+0x0/0x458 [ 78.431315][ T5641] show_stack+0x2c/0x3c [ 78.432022][ T5641] __dump_stack+0x30/0x40 [ 78.432777][ T5641] dump_stack_lvl+0xf4/0x15c [ 78.433565][ T5641] dump_stack+0x1c/0x5c [ 78.434268][ T5641] sysfs_create_dir_ns+0x244/0x264 [ 78.435125][ T5641] kobject_add_internal+0x5ac/0xc3c [ 78.435974][ T5641] kobject_init_and_add+0x124/0x190 [ 78.436837][ T5641] gfs2_sys_fs_add+0x200/0x41c [ 78.437583][ T5641] gfs2_fill_super+0xddc/0x1a18 [ 78.438366][ T5641] get_tree_bdev+0x358/0x544 [ 78.439096][ T5641] gfs2_get_tree+0x54/0x1b4 [ 78.439839][ T5641] vfs_get_tree+0x90/0x274 [ 78.440552][ T5641] do_new_mount+0x228/0x810 [ 78.441266][ T5641] path_mount+0x5bc/0x1008 [ 78.441958][ T5641] __arm64_sys_mount+0x514/0x5f0 [ 78.442789][ T5641] invoke_syscall+0x98/0x2b0 [ 78.443555][ T5641] el0_svc_common+0x138/0x258 [ 78.444308][ T5641] do_el0_svc+0x58/0x13c [ 78.445045][ T5641] el0_svc+0x78/0x1d0 [ 78.445719][ T5641] el0t_64_sync_handler+0xcc/0xe4 [ 78.446585][ T5641] el0t_64_sync+0x1a0/0x1a4 [ 78.453952][ T5639] loop2: detected capacity change from 0 to 32768 [ 78.476585][ T5641] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.477365][ T5639] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.480089][ T5639] CPU: 1 PID: 5639 Comm: syz.2.47 Not tainted syzkaller #0 [ 78.481333][ T5639] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 78.482356][ T5641] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.483032][ T5639] Call trace: [ 78.483038][ T5639] dump_backtrace+0x0/0x458 [ 78.485507][ T5639] show_stack+0x2c/0x3c [ 78.486211][ T5639] __dump_stack+0x30/0x40 [ 78.486943][ T5639] dump_stack_lvl+0xf4/0x15c [ 78.487733][ T5639] dump_stack+0x1c/0x5c [ 78.488495][ T5639] sysfs_create_dir_ns+0x244/0x264 [ 78.489418][ T5639] kobject_add_internal+0x5ac/0xc3c [ 78.490253][ T5639] kobject_init_and_add+0x124/0x190 [ 78.491125][ T5639] gfs2_sys_fs_add+0x200/0x41c [ 78.491963][ T5639] gfs2_fill_super+0xddc/0x1a18 [ 78.492752][ T5639] get_tree_bdev+0x358/0x544 [ 78.493584][ T5639] gfs2_get_tree+0x54/0x1b4 [ 78.494358][ T5639] vfs_get_tree+0x90/0x274 [ 78.495130][ T5639] do_new_mount+0x228/0x810 [ 78.495857][ T5639] path_mount+0x5bc/0x1008 [ 78.496534][ T5639] __arm64_sys_mount+0x514/0x5f0 [ 78.497401][ T5639] invoke_syscall+0x98/0x2b0 [ 78.498193][ T5639] el0_svc_common+0x138/0x258 [ 78.498984][ T5639] do_el0_svc+0x58/0x13c [ 78.499719][ T5639] el0_svc+0x78/0x1d0 [ 78.500390][ T5639] el0t_64_sync_handler+0xcc/0xe4 [ 78.501203][ T5639] el0t_64_sync+0x1a0/0x1a4 [ 78.527327][ T5639] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.529495][ T5639] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.574126][ T5638] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.575432][ T5638] CPU: 1 PID: 5638 Comm: syz.4.48 Not tainted syzkaller #0 [ 78.576680][ T5638] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 78.578310][ T5638] Call trace: [ 78.578873][ T5638] dump_backtrace+0x0/0x458 [ 78.579675][ T5638] show_stack+0x2c/0x3c [ 78.580459][ T5638] __dump_stack+0x30/0x40 [ 78.581210][ T5638] dump_stack_lvl+0xf4/0x15c [ 78.581952][ T5638] dump_stack+0x1c/0x5c [ 78.582616][ T5638] sysfs_create_dir_ns+0x244/0x264 [ 78.583440][ T5638] kobject_add_internal+0x5ac/0xc3c [ 78.584286][ T5638] kobject_init_and_add+0x124/0x190 [ 78.585104][ T5638] gfs2_sys_fs_add+0x200/0x41c [ 78.585866][ T5638] gfs2_fill_super+0xddc/0x1a18 [ 78.586655][ T5638] get_tree_bdev+0x358/0x544 [ 78.587392][ T5638] gfs2_get_tree+0x54/0x1b4 [ 78.588085][ T5638] vfs_get_tree+0x90/0x274 [ 78.588799][ T5638] do_new_mount+0x228/0x810 [ 78.589550][ T5638] path_mount+0x5bc/0x1008 [ 78.590297][ T5638] __arm64_sys_mount+0x514/0x5f0 [ 78.591126][ T5638] invoke_syscall+0x98/0x2b0 [ 78.591817][ T5638] el0_svc_common+0x138/0x258 [ 78.592514][ T5638] do_el0_svc+0x58/0x13c [ 78.593146][ T5638] el0_svc+0x78/0x1d0 [ 78.593787][ T5638] el0t_64_sync_handler+0xcc/0xe4 [ 78.594648][ T5638] el0t_64_sync+0x1a0/0x1a4 [ 78.598430][ T5643] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.599703][ T5643] CPU: 1 PID: 5643 Comm: syz.0.50 Not tainted syzkaller #0 [ 78.600793][ T5643] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 78.602227][ T5643] Call trace: [ 78.602705][ T5643] dump_backtrace+0x0/0x458 [ 78.603350][ T5643] show_stack+0x2c/0x3c [ 78.604000][ T5643] __dump_stack+0x30/0x40 [ 78.604739][ T5643] dump_stack_lvl+0xf4/0x15c [ 78.605440][ T5643] dump_stack+0x1c/0x5c [ 78.606112][ T5643] sysfs_create_dir_ns+0x244/0x264 [ 78.606880][ T5643] kobject_add_internal+0x5ac/0xc3c [ 78.607683][ T5643] kobject_init_and_add+0x124/0x190 [ 78.608539][ T5643] gfs2_sys_fs_add+0x200/0x41c [ 78.609367][ T5643] gfs2_fill_super+0xddc/0x1a18 [ 78.610107][ T5643] get_tree_bdev+0x358/0x544 [ 78.610806][ T5643] gfs2_get_tree+0x54/0x1b4 [ 78.611537][ T5643] vfs_get_tree+0x90/0x274 [ 78.612204][ T5643] do_new_mount+0x228/0x810 [ 78.612973][ T5643] path_mount+0x5bc/0x1008 [ 78.613632][ T5643] __arm64_sys_mount+0x514/0x5f0 [ 78.614428][ T5643] invoke_syscall+0x98/0x2b0 [ 78.615157][ T5643] el0_svc_common+0x138/0x258 [ 78.615872][ T5643] do_el0_svc+0x58/0x13c [ 78.616618][ T5643] el0_svc+0x78/0x1d0 [ 78.617273][ T5643] el0t_64_sync_handler+0xcc/0xe4 [ 78.618113][ T5643] el0t_64_sync+0x1a0/0x1a4 [ 78.624156][ T5638] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.626233][ T5638] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.627840][ T5643] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.629881][ T5643] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.679801][ T5641] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.681187][ T5641] CPU: 0 PID: 5641 Comm: syz.3.49 Not tainted syzkaller #0 [ 78.682435][ T5641] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 78.684145][ T5641] Call trace: [ 78.684694][ T5641] dump_backtrace+0x0/0x458 [ 78.685437][ T5641] show_stack+0x2c/0x3c [ 78.686164][ T5641] __dump_stack+0x30/0x40 [ 78.686959][ T5641] dump_stack_lvl+0xf4/0x15c [ 78.687767][ T5641] dump_stack+0x1c/0x5c [ 78.688491][ T5641] sysfs_create_dir_ns+0x244/0x264 [ 78.689352][ T5641] kobject_add_internal+0x5ac/0xc3c [ 78.690239][ T5641] kobject_init_and_add+0x124/0x190 [ 78.691106][ T5641] gfs2_sys_fs_add+0x200/0x41c [ 78.691870][ T5641] gfs2_fill_super+0xddc/0x1a18 [ 78.692694][ T5641] get_tree_bdev+0x358/0x544 [ 78.693571][ T5641] gfs2_get_tree+0x54/0x1b4 [ 78.694332][ T5641] vfs_get_tree+0x90/0x274 [ 78.695044][ T5641] do_new_mount+0x228/0x810 [ 78.695824][ T5641] path_mount+0x5bc/0x1008 [ 78.696537][ T5641] __arm64_sys_mount+0x514/0x5f0 [ 78.697391][ T5641] invoke_syscall+0x98/0x2b0 [ 78.698225][ T5641] el0_svc_common+0x138/0x258 [ 78.699048][ T5641] do_el0_svc+0x58/0x13c [ 78.699765][ T5641] el0_svc+0x78/0x1d0 [ 78.700438][ T5641] el0t_64_sync_handler+0xcc/0xe4 [ 78.701273][ T5641] el0t_64_sync+0x1a0/0x1a4 [ 78.727659][ T5641] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.732885][ T5641] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.889688][ T5643] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.890825][ T5643] CPU: 1 PID: 5643 Comm: syz.0.50 Not tainted syzkaller #0 [ 78.892036][ T5643] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 78.893725][ T5643] Call trace: [ 78.894316][ T5643] dump_backtrace+0x0/0x458 [ 78.895061][ T5643] show_stack+0x2c/0x3c [ 78.895744][ T5643] __dump_stack+0x30/0x40 [ 78.896475][ T5643] dump_stack_lvl+0xf4/0x15c [ 78.897246][ T5643] dump_stack+0x1c/0x5c [ 78.897991][ T5643] sysfs_create_dir_ns+0x244/0x264 [ 78.898855][ T5643] kobject_add_internal+0x5ac/0xc3c [ 78.899737][ T5643] kobject_init_and_add+0x124/0x190 [ 78.900613][ T5643] gfs2_sys_fs_add+0x200/0x41c [ 78.901434][ T5643] gfs2_fill_super+0xddc/0x1a18 [ 78.902223][ T5643] get_tree_bdev+0x358/0x544 [ 78.902979][ T5643] gfs2_get_tree+0x54/0x1b4 [ 78.903696][ T5643] vfs_get_tree+0x90/0x274 [ 78.904431][ T5643] do_new_mount+0x228/0x810 [ 78.905157][ T5643] path_mount+0x5bc/0x1008 [ 78.905929][ T5643] __arm64_sys_mount+0x514/0x5f0 [ 78.906717][ T5643] invoke_syscall+0x98/0x2b0 [ 78.907512][ T5643] el0_svc_common+0x138/0x258 [ 78.908281][ T5643] do_el0_svc+0x58/0x13c [ 78.909009][ T5643] el0_svc+0x78/0x1d0 [ 78.909661][ T5643] el0t_64_sync_handler+0xcc/0xe4 [ 78.910498][ T5643] el0t_64_sync+0x1a0/0x1a4 [ 78.927386][ T5643] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.930350][ T5643] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.963130][ T5645] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.964432][ T5645] CPU: 1 PID: 5645 Comm: syz.2.51 Not tainted syzkaller #0 [ 78.965592][ T5645] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 78.967290][ T5645] Call trace: [ 78.967829][ T5645] dump_backtrace+0x0/0x458 [ 78.968593][ T5645] show_stack+0x2c/0x3c [ 78.969307][ T5645] __dump_stack+0x30/0x40 [ 78.969993][ T5645] dump_stack_lvl+0xf4/0x15c [ 78.970736][ T5645] dump_stack+0x1c/0x5c [ 78.971393][ T5645] sysfs_create_dir_ns+0x244/0x264 [ 78.972216][ T5645] kobject_add_internal+0x5ac/0xc3c [ 78.973177][ T5645] kobject_init_and_add+0x124/0x190 [ 78.974002][ T5645] gfs2_sys_fs_add+0x200/0x41c [ 78.974865][ T5645] gfs2_fill_super+0xddc/0x1a18 [ 78.975713][ T5645] get_tree_bdev+0x358/0x544 [ 78.976477][ T5645] gfs2_get_tree+0x54/0x1b4 [ 78.977238][ T5645] vfs_get_tree+0x90/0x274 [ 78.978054][ T5645] do_new_mount+0x228/0x810 [ 78.978855][ T5645] path_mount+0x5bc/0x1008 [ 78.979648][ T5645] __arm64_sys_mount+0x514/0x5f0 [ 78.980507][ T5645] invoke_syscall+0x98/0x2b0 [ 78.981273][ T5645] el0_svc_common+0x138/0x258 [ 78.982111][ T5645] do_el0_svc+0x58/0x13c [ 78.982789][ T5645] el0_svc+0x78/0x1d0 [ 78.983426][ T5645] el0t_64_sync_handler+0xcc/0xe4 [ 78.984298][ T5645] el0t_64_sync+0x1a0/0x1a4 [ 78.989238][ T5649] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.990381][ T5649] CPU: 1 PID: 5649 Comm: syz.3.53 Not tainted syzkaller #0 [ 78.991595][ T5649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 78.993262][ T5649] Call trace: [ 78.993761][ T5649] dump_backtrace+0x0/0x458 [ 78.994539][ T5649] show_stack+0x2c/0x3c [ 78.995254][ T5649] __dump_stack+0x30/0x40 [ 78.995981][ T5649] dump_stack_lvl+0xf4/0x15c [ 78.996726][ T5649] dump_stack+0x1c/0x5c [ 78.997438][ T5649] sysfs_create_dir_ns+0x244/0x264 [ 78.998245][ T5649] kobject_add_internal+0x5ac/0xc3c [ 78.999125][ T5649] kobject_init_and_add+0x124/0x190 [ 79.000026][ T5649] gfs2_sys_fs_add+0x200/0x41c [ 79.000826][ T5649] gfs2_fill_super+0xddc/0x1a18 [ 79.001615][ T5649] get_tree_bdev+0x358/0x544 [ 79.002342][ T5649] gfs2_get_tree+0x54/0x1b4 [ 79.003128][ T5649] vfs_get_tree+0x90/0x274 [ 79.003845][ T5649] do_new_mount+0x228/0x810 [ 79.004582][ T5649] path_mount+0x5bc/0x1008 [ 79.005241][ T5649] __arm64_sys_mount+0x514/0x5f0 [ 79.006090][ T5649] invoke_syscall+0x98/0x2b0 [ 79.006834][ T5649] el0_svc_common+0x138/0x258 [ 79.007657][ T5649] do_el0_svc+0x58/0x13c [ 79.008397][ T5649] el0_svc+0x78/0x1d0 [ 79.009085][ T5649] el0t_64_sync_handler+0xcc/0xe4 [ 79.009913][ T5649] el0t_64_sync+0x1a0/0x1a4 [ 79.023181][ T5645] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.025418][ T5645] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.028270][ T5647] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.029481][ T5647] CPU: 0 PID: 5647 Comm: syz.4.52 Not tainted syzkaller #0 [ 79.030637][ T5647] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.032368][ T5647] Call trace: [ 79.032887][ T5647] dump_backtrace+0x0/0x458 [ 79.033617][ T5647] show_stack+0x2c/0x3c [ 79.034301][ T5647] __dump_stack+0x30/0x40 [ 79.034932][ T5647] dump_stack_lvl+0xf4/0x15c [ 79.035691][ T5647] dump_stack+0x1c/0x5c [ 79.036348][ T5647] sysfs_create_dir_ns+0x244/0x264 [ 79.037204][ T5647] kobject_add_internal+0x5ac/0xc3c [ 79.038094][ T5647] kobject_init_and_add+0x124/0x190 [ 79.039005][ T5647] gfs2_sys_fs_add+0x200/0x41c [ 79.039784][ T5647] gfs2_fill_super+0xddc/0x1a18 [ 79.040651][ T5647] get_tree_bdev+0x358/0x544 [ 79.041469][ T5647] gfs2_get_tree+0x54/0x1b4 [ 79.042201][ T5647] vfs_get_tree+0x90/0x274 [ 79.042946][ T5647] do_new_mount+0x228/0x810 [ 79.043720][ T5647] path_mount+0x5bc/0x1008 [ 79.044488][ T5647] __arm64_sys_mount+0x514/0x5f0 [ 79.045375][ T5647] invoke_syscall+0x98/0x2b0 [ 79.046103][ T5647] el0_svc_common+0x138/0x258 [ 79.046360][ T5649] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.046863][ T5647] do_el0_svc+0x58/0x13c [ 79.049429][ T5649] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.049668][ T5647] el0_svc+0x78/0x1d0 [ 79.051388][ T5647] el0t_64_sync_handler+0xcc/0xe4 [ 79.052261][ T5647] el0t_64_sync+0x1a0/0x1a4 [ 79.079365][ T5647] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.087438][ T5647] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.210783][ T5651] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.212118][ T5651] CPU: 1 PID: 5651 Comm: syz.0.54 Not tainted syzkaller #0 [ 79.213368][ T5651] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.215052][ T5651] Call trace: [ 79.215605][ T5651] dump_backtrace+0x0/0x458 [ 79.216402][ T5651] show_stack+0x2c/0x3c [ 79.217125][ T5651] __dump_stack+0x30/0x40 [ 79.217836][ T5651] dump_stack_lvl+0xf4/0x15c [ 79.218630][ T5651] dump_stack+0x1c/0x5c [ 79.219329][ T5651] sysfs_create_dir_ns+0x244/0x264 [ 79.220174][ T5651] kobject_add_internal+0x5ac/0xc3c [ 79.221117][ T5651] kobject_init_and_add+0x124/0x190 [ 79.221927][ T5651] gfs2_sys_fs_add+0x200/0x41c [ 79.222746][ T5651] gfs2_fill_super+0xddc/0x1a18 [ 79.223543][ T5651] get_tree_bdev+0x358/0x544 [ 79.224355][ T5651] gfs2_get_tree+0x54/0x1b4 [ 79.225128][ T5651] vfs_get_tree+0x90/0x274 [ 79.225881][ T5651] do_new_mount+0x228/0x810 [ 79.226612][ T5651] path_mount+0x5bc/0x1008 [ 79.227360][ T5651] __arm64_sys_mount+0x514/0x5f0 [ 79.228219][ T5651] invoke_syscall+0x98/0x2b0 [ 79.229003][ T5651] el0_svc_common+0x138/0x258 [ 79.229806][ T5651] do_el0_svc+0x58/0x13c [ 79.230612][ T5651] el0_svc+0x78/0x1d0 [ 79.231280][ T5651] el0t_64_sync_handler+0xcc/0xe4 [ 79.232159][ T5651] el0t_64_sync+0x1a0/0x1a4 [ 79.273538][ T5651] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.276238][ T5651] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.322511][ T5647] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.323785][ T5647] CPU: 0 PID: 5647 Comm: syz.4.52 Not tainted syzkaller #0 [ 79.324975][ T5647] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.326561][ T5647] Call trace: [ 79.327040][ T5647] dump_backtrace+0x0/0x458 [ 79.327828][ T5647] show_stack+0x2c/0x3c [ 79.328524][ T5647] __dump_stack+0x30/0x40 [ 79.329260][ T5647] dump_stack_lvl+0xf4/0x15c [ 79.330050][ T5647] dump_stack+0x1c/0x5c [ 79.330745][ T5647] sysfs_create_dir_ns+0x244/0x264 [ 79.331601][ T5647] kobject_add_internal+0x5ac/0xc3c [ 79.332486][ T5647] kobject_init_and_add+0x124/0x190 [ 79.333366][ T5647] gfs2_sys_fs_add+0x200/0x41c [ 79.334168][ T5647] gfs2_fill_super+0xddc/0x1a18 [ 79.334986][ T5647] get_tree_bdev+0x358/0x544 [ 79.335742][ T5647] gfs2_get_tree+0x54/0x1b4 [ 79.336540][ T5647] vfs_get_tree+0x90/0x274 [ 79.337314][ T5647] do_new_mount+0x228/0x810 [ 79.338101][ T5647] path_mount+0x5bc/0x1008 [ 79.338861][ T5647] __arm64_sys_mount+0x514/0x5f0 [ 79.339711][ T5647] invoke_syscall+0x98/0x2b0 [ 79.340484][ T5647] el0_svc_common+0x138/0x258 [ 79.341301][ T5647] do_el0_svc+0x58/0x13c [ 79.341956][ T5647] el0_svc+0x78/0x1d0 [ 79.342650][ T5647] el0t_64_sync_handler+0xcc/0xe4 [ 79.343484][ T5647] el0t_64_sync+0x1a0/0x1a4 [ 79.373218][ T5647] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.375507][ T5647] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.408199][ T5645] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.409409][ T5645] CPU: 1 PID: 5645 Comm: syz.2.51 Not tainted syzkaller #0 [ 79.410622][ T5645] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.412237][ T5645] Call trace: [ 79.412761][ T5645] dump_backtrace+0x0/0x458 [ 79.413512][ T5645] show_stack+0x2c/0x3c [ 79.414225][ T5645] __dump_stack+0x30/0x40 [ 79.414912][ T5645] dump_stack_lvl+0xf4/0x15c [ 79.415648][ T5645] dump_stack+0x1c/0x5c [ 79.416400][ T5645] sysfs_create_dir_ns+0x244/0x264 [ 79.417290][ T5645] kobject_add_internal+0x5ac/0xc3c [ 79.418232][ T5645] kobject_init_and_add+0x124/0x190 [ 79.419093][ T5645] gfs2_sys_fs_add+0x200/0x41c [ 79.419865][ T5645] gfs2_fill_super+0xddc/0x1a18 [ 79.420734][ T5645] get_tree_bdev+0x358/0x544 [ 79.421516][ T5645] gfs2_get_tree+0x54/0x1b4 [ 79.422265][ T5645] vfs_get_tree+0x90/0x274 [ 79.423040][ T5645] do_new_mount+0x228/0x810 [ 79.423817][ T5645] path_mount+0x5bc/0x1008 [ 79.424555][ T5645] __arm64_sys_mount+0x514/0x5f0 [ 79.425315][ T5645] invoke_syscall+0x98/0x2b0 [ 79.426073][ T5645] el0_svc_common+0x138/0x258 [ 79.426908][ T5645] do_el0_svc+0x58/0x13c [ 79.427584][ T5645] el0_svc+0x78/0x1d0 [ 79.428290][ T5645] el0t_64_sync_handler+0xcc/0xe4 [ 79.429140][ T5645] el0t_64_sync+0x1a0/0x1a4 [ 79.432085][ T5649] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.433376][ T5649] CPU: 0 PID: 5649 Comm: syz.3.53 Not tainted syzkaller #0 [ 79.434628][ T5649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.436336][ T5649] Call trace: [ 79.436925][ T5649] dump_backtrace+0x0/0x458 [ 79.437712][ T5649] show_stack+0x2c/0x3c [ 79.438451][ T5649] __dump_stack+0x30/0x40 [ 79.439185][ T5649] dump_stack_lvl+0xf4/0x15c [ 79.439921][ T5649] dump_stack+0x1c/0x5c [ 79.440610][ T5649] sysfs_create_dir_ns+0x244/0x264 [ 79.441457][ T5649] kobject_add_internal+0x5ac/0xc3c [ 79.442376][ T5649] kobject_init_and_add+0x124/0x190 [ 79.443282][ T5649] gfs2_sys_fs_add+0x200/0x41c [ 79.444102][ T5649] gfs2_fill_super+0xddc/0x1a18 [ 79.444922][ T5649] get_tree_bdev+0x358/0x544 [ 79.445693][ T5649] gfs2_get_tree+0x54/0x1b4 [ 79.446391][ T5649] vfs_get_tree+0x90/0x274 [ 79.447111][ T5649] do_new_mount+0x228/0x810 [ 79.447878][ T5649] path_mount+0x5bc/0x1008 [ 79.448605][ T5649] __arm64_sys_mount+0x514/0x5f0 [ 79.449430][ T5649] invoke_syscall+0x98/0x2b0 [ 79.450183][ T5649] el0_svc_common+0x138/0x258 [ 79.451014][ T5649] do_el0_svc+0x58/0x13c [ 79.451738][ T5649] el0_svc+0x78/0x1d0 [ 79.452395][ T5649] el0t_64_sync_handler+0xcc/0xe4 [ 79.453269][ T5649] el0t_64_sync+0x1a0/0x1a4 [ 79.459929][ T5645] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.462263][ T5645] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.464138][ T5649] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.466411][ T5649] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.467703][ T5651] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.468905][ T5651] CPU: 1 PID: 5651 Comm: syz.0.54 Not tainted syzkaller #0 [ 79.470007][ T5651] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.471643][ T5651] Call trace: [ 79.472154][ T5651] dump_backtrace+0x0/0x458 [ 79.472826][ T5651] show_stack+0x2c/0x3c [ 79.473542][ T5651] __dump_stack+0x30/0x40 [ 79.474301][ T5651] dump_stack_lvl+0xf4/0x15c [ 79.475069][ T5651] dump_stack+0x1c/0x5c [ 79.475738][ T5651] sysfs_create_dir_ns+0x244/0x264 [ 79.476585][ T5651] kobject_add_internal+0x5ac/0xc3c [ 79.477485][ T5651] kobject_init_and_add+0x124/0x190 [ 79.478394][ T5651] gfs2_sys_fs_add+0x200/0x41c [ 79.479148][ T5651] gfs2_fill_super+0xddc/0x1a18 [ 79.479976][ T5651] get_tree_bdev+0x358/0x544 [ 79.480684][ T5651] gfs2_get_tree+0x54/0x1b4 [ 79.481400][ T5651] vfs_get_tree+0x90/0x274 [ 79.482107][ T5651] do_new_mount+0x228/0x810 [ 79.482925][ T5651] path_mount+0x5bc/0x1008 [ 79.483680][ T5651] __arm64_sys_mount+0x514/0x5f0 [ 79.484505][ T5651] invoke_syscall+0x98/0x2b0 [ 79.485318][ T5651] el0_svc_common+0x138/0x258 [ 79.486081][ T5651] do_el0_svc+0x58/0x13c [ 79.486878][ T5651] el0_svc+0x78/0x1d0 [ 79.487541][ T5651] el0t_64_sync_handler+0xcc/0xe4 [ 79.488430][ T5651] el0t_64_sync+0x1a0/0x1a4 [ 79.511109][ T5651] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.513248][ T5651] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.771310][ T5659] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.772622][ T5659] CPU: 1 PID: 5659 Comm: syz.0.58 Not tainted syzkaller #0 [ 79.773876][ T5659] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.775496][ T5659] Call trace: [ 79.776029][ T5659] dump_backtrace+0x0/0x458 [ 79.776810][ T5659] show_stack+0x2c/0x3c [ 79.777505][ T5659] __dump_stack+0x30/0x40 [ 79.778253][ T5659] dump_stack_lvl+0xf4/0x15c [ 79.779018][ T5659] dump_stack+0x1c/0x5c [ 79.779704][ T5659] sysfs_create_dir_ns+0x244/0x264 [ 79.780596][ T5659] kobject_add_internal+0x5ac/0xc3c [ 79.781487][ T5659] kobject_init_and_add+0x124/0x190 [ 79.782360][ T5659] gfs2_sys_fs_add+0x200/0x41c [ 79.783171][ T5659] gfs2_fill_super+0xddc/0x1a18 [ 79.783994][ T5659] get_tree_bdev+0x358/0x544 [ 79.784740][ T5659] gfs2_get_tree+0x54/0x1b4 [ 79.785556][ T5659] vfs_get_tree+0x90/0x274 [ 79.786297][ T5659] do_new_mount+0x228/0x810 [ 79.787078][ T5659] path_mount+0x5bc/0x1008 [ 79.787803][ T5659] __arm64_sys_mount+0x514/0x5f0 [ 79.788632][ T5659] invoke_syscall+0x98/0x2b0 [ 79.789478][ T5659] el0_svc_common+0x138/0x258 [ 79.790282][ T5659] do_el0_svc+0x58/0x13c [ 79.790953][ T5659] el0_svc+0x78/0x1d0 [ 79.791601][ T5659] el0t_64_sync_handler+0xcc/0xe4 [ 79.792399][ T5659] el0t_64_sync+0x1a0/0x1a4 [ 79.793996][ T5659] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.796284][ T5659] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.803819][ T5653] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.805197][ T5653] CPU: 1 PID: 5653 Comm: syz.4.55 Not tainted syzkaller #0 [ 79.806358][ T5653] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.807949][ T5653] Call trace: [ 79.808459][ T5653] dump_backtrace+0x0/0x458 [ 79.809186][ T5653] show_stack+0x2c/0x3c [ 79.809881][ T5653] __dump_stack+0x30/0x40 [ 79.810588][ T5653] dump_stack_lvl+0xf4/0x15c [ 79.811316][ T5653] dump_stack+0x1c/0x5c [ 79.812016][ T5653] sysfs_create_dir_ns+0x244/0x264 [ 79.812915][ T5653] kobject_add_internal+0x5ac/0xc3c [ 79.813832][ T5653] kobject_init_and_add+0x124/0x190 [ 79.814737][ T5653] gfs2_sys_fs_add+0x200/0x41c [ 79.815520][ T5653] gfs2_fill_super+0xddc/0x1a18 [ 79.816384][ T5653] get_tree_bdev+0x358/0x544 [ 79.817146][ T5653] gfs2_get_tree+0x54/0x1b4 [ 79.817970][ T5653] vfs_get_tree+0x90/0x274 [ 79.818750][ T5653] do_new_mount+0x228/0x810 [ 79.819479][ T5653] path_mount+0x5bc/0x1008 [ 79.820173][ T5653] __arm64_sys_mount+0x514/0x5f0 [ 79.821001][ T5653] invoke_syscall+0x98/0x2b0 [ 79.821810][ T5653] el0_svc_common+0x138/0x258 [ 79.822598][ T5653] do_el0_svc+0x58/0x13c [ 79.823308][ T5653] el0_svc+0x78/0x1d0 [ 79.823939][ T5653] el0t_64_sync_handler+0xcc/0xe4 [ 79.824730][ T5653] el0t_64_sync+0x1a0/0x1a4 [ 79.825711][ T5653] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.827924][ T5653] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.861396][ T5655] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.862741][ T5655] CPU: 0 PID: 5655 Comm: syz.2.56 Not tainted syzkaller #0 [ 79.864003][ T5655] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.865653][ T5655] Call trace: [ 79.866231][ T5655] dump_backtrace+0x0/0x458 [ 79.866993][ T5655] show_stack+0x2c/0x3c [ 79.867672][ T5655] __dump_stack+0x30/0x40 [ 79.868407][ T5655] dump_stack_lvl+0xf4/0x15c [ 79.869186][ T5655] dump_stack+0x1c/0x5c [ 79.869841][ T5655] sysfs_create_dir_ns+0x244/0x264 [ 79.870704][ T5655] kobject_add_internal+0x5ac/0xc3c [ 79.871601][ T5655] kobject_init_and_add+0x124/0x190 [ 79.872462][ T5655] gfs2_sys_fs_add+0x200/0x41c [ 79.873278][ T5655] gfs2_fill_super+0xddc/0x1a18 [ 79.874115][ T5655] get_tree_bdev+0x358/0x544 [ 79.874857][ T5655] gfs2_get_tree+0x54/0x1b4 [ 79.875675][ T5655] vfs_get_tree+0x90/0x274 [ 79.876407][ T5655] do_new_mount+0x228/0x810 [ 79.877126][ T5655] path_mount+0x5bc/0x1008 [ 79.877905][ T5655] __arm64_sys_mount+0x514/0x5f0 [ 79.878695][ T5655] invoke_syscall+0x98/0x2b0 [ 79.879454][ T5655] el0_svc_common+0x138/0x258 [ 79.880290][ T5655] do_el0_svc+0x58/0x13c [ 79.880994][ T5655] el0_svc+0x78/0x1d0 [ 79.881687][ T5655] el0t_64_sync_handler+0xcc/0xe4 [ 79.882575][ T5655] el0t_64_sync+0x1a0/0x1a4 [ 79.886236][ T5657] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.887658][ T5657] CPU: 0 PID: 5657 Comm: syz.3.57 Not tainted syzkaller #0 [ 79.888818][ T5657] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.890549][ T5657] Call trace: [ 79.891128][ T5657] dump_backtrace+0x0/0x458 [ 79.891900][ T5657] show_stack+0x2c/0x3c [ 79.892584][ T5657] __dump_stack+0x30/0x40 [ 79.893305][ T5657] dump_stack_lvl+0xf4/0x15c [ 79.894081][ T5657] dump_stack+0x1c/0x5c [ 79.894692][ T5657] sysfs_create_dir_ns+0x244/0x264 [ 79.895573][ T5657] kobject_add_internal+0x5ac/0xc3c [ 79.896439][ T5657] kobject_init_and_add+0x124/0x190 [ 79.897354][ T5657] gfs2_sys_fs_add+0x200/0x41c [ 79.898067][ T5657] gfs2_fill_super+0xddc/0x1a18 [ 79.898901][ T5657] get_tree_bdev+0x358/0x544 [ 79.899629][ T5657] gfs2_get_tree+0x54/0x1b4 [ 79.900386][ T5657] vfs_get_tree+0x90/0x274 [ 79.901129][ T5657] do_new_mount+0x228/0x810 [ 79.901888][ T5657] path_mount+0x5bc/0x1008 [ 79.902667][ T5657] __arm64_sys_mount+0x514/0x5f0 [ 79.903484][ T5657] invoke_syscall+0x98/0x2b0 [ 79.904289][ T5657] el0_svc_common+0x138/0x258 [ 79.905099][ T5657] do_el0_svc+0x58/0x13c [ 79.905839][ T5657] el0_svc+0x78/0x1d0 [ 79.906501][ T5657] el0t_64_sync_handler+0xcc/0xe4 [ 79.907348][ T5657] el0t_64_sync+0x1a0/0x1a4 [ 79.907923][ T5655] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.910229][ T5655] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.924574][ T5657] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.926794][ T5657] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.958445][ T5653] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.959691][ T5653] CPU: 0 PID: 5653 Comm: syz.4.55 Not tainted syzkaller #0 [ 79.960850][ T5653] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.962353][ T5653] Call trace: [ 79.962837][ T5653] dump_backtrace+0x0/0x458 [ 79.963584][ T5653] show_stack+0x2c/0x3c [ 79.964264][ T5653] __dump_stack+0x30/0x40 [ 79.965021][ T5653] dump_stack_lvl+0xf4/0x15c [ 79.965810][ T5653] dump_stack+0x1c/0x5c [ 79.966525][ T5653] sysfs_create_dir_ns+0x244/0x264 [ 79.967382][ T5653] kobject_add_internal+0x5ac/0xc3c [ 79.968271][ T5653] kobject_init_and_add+0x124/0x190 [ 79.969176][ T5653] gfs2_sys_fs_add+0x200/0x41c [ 79.969948][ T5653] gfs2_fill_super+0xddc/0x1a18 [ 79.970722][ T5653] get_tree_bdev+0x358/0x544 [ 79.971435][ T5653] gfs2_get_tree+0x54/0x1b4 [ 79.972165][ T5653] vfs_get_tree+0x90/0x274 [ 79.972903][ T5653] do_new_mount+0x228/0x810 [ 79.973656][ T5653] path_mount+0x5bc/0x1008 [ 79.974441][ T5653] __arm64_sys_mount+0x514/0x5f0 [ 79.975323][ T5653] invoke_syscall+0x98/0x2b0 [ 79.976143][ T5653] el0_svc_common+0x138/0x258 [ 79.976950][ T5653] do_el0_svc+0x58/0x13c [ 79.977677][ T5653] el0_svc+0x78/0x1d0 [ 79.978357][ T5653] el0t_64_sync_handler+0xcc/0xe4 [ 79.979263][ T5653] el0t_64_sync+0x1a0/0x1a4 [ 80.037382][ T5653] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.039715][ T5653] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.160896][ T5659] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.162252][ T5659] CPU: 0 PID: 5659 Comm: syz.0.58 Not tainted syzkaller #0 [ 80.163521][ T5659] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.165254][ T5659] Call trace: [ 80.165828][ T5659] dump_backtrace+0x0/0x458 [ 80.166628][ T5659] show_stack+0x2c/0x3c [ 80.167423][ T5659] __dump_stack+0x30/0x40 [ 80.168228][ T5659] dump_stack_lvl+0xf4/0x15c [ 80.169040][ T5659] dump_stack+0x1c/0x5c [ 80.169790][ T5659] sysfs_create_dir_ns+0x244/0x264 [ 80.170656][ T5659] kobject_add_internal+0x5ac/0xc3c [ 80.171637][ T5659] kobject_init_and_add+0x124/0x190 [ 80.172536][ T5659] gfs2_sys_fs_add+0x200/0x41c [ 80.173373][ T5659] gfs2_fill_super+0xddc/0x1a18 [ 80.174228][ T5659] get_tree_bdev+0x358/0x544 [ 80.175016][ T5659] gfs2_get_tree+0x54/0x1b4 [ 80.175807][ T5659] vfs_get_tree+0x90/0x274 [ 80.176581][ T5659] do_new_mount+0x228/0x810 [ 80.177317][ T5659] path_mount+0x5bc/0x1008 [ 80.178082][ T5659] __arm64_sys_mount+0x514/0x5f0 [ 80.178943][ T5659] invoke_syscall+0x98/0x2b0 [ 80.179717][ T5659] el0_svc_common+0x138/0x258 [ 80.180527][ T5659] do_el0_svc+0x58/0x13c [ 80.181255][ T5659] el0_svc+0x78/0x1d0 [ 80.181971][ T5659] el0t_64_sync_handler+0xcc/0xe4 [ 80.182888][ T5659] el0t_64_sync+0x1a0/0x1a4 [ 80.207952][ T5655] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.209204][ T5655] CPU: 1 PID: 5655 Comm: syz.2.56 Not tainted syzkaller #0 [ 80.210468][ T5655] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.212099][ T5655] Call trace: [ 80.212641][ T5655] dump_backtrace+0x0/0x458 [ 80.213423][ T5655] show_stack+0x2c/0x3c [ 80.214157][ T5655] __dump_stack+0x30/0x40 [ 80.214955][ T5655] dump_stack_lvl+0xf4/0x15c [ 80.215807][ T5655] dump_stack+0x1c/0x5c [ 80.216165][ T5659] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.216545][ T5655] sysfs_create_dir_ns+0x244/0x264 [ 80.218981][ T5659] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.219625][ T5655] kobject_add_internal+0x5ac/0xc3c [ 80.221494][ T5655] kobject_init_and_add+0x124/0x190 [ 80.222331][ T5655] gfs2_sys_fs_add+0x200/0x41c [ 80.223079][ T5655] gfs2_fill_super+0xddc/0x1a18 [ 80.223885][ T5655] get_tree_bdev+0x358/0x544 [ 80.224570][ T5655] gfs2_get_tree+0x54/0x1b4 [ 80.225304][ T5655] vfs_get_tree+0x90/0x274 [ 80.226057][ T5655] do_new_mount+0x228/0x810 [ 80.226807][ T5655] path_mount+0x5bc/0x1008 [ 80.227607][ T5655] __arm64_sys_mount+0x514/0x5f0 [ 80.228483][ T5655] invoke_syscall+0x98/0x2b0 [ 80.229249][ T5655] el0_svc_common+0x138/0x258 [ 80.230142][ T5655] do_el0_svc+0x58/0x13c [ 80.230908][ T5655] el0_svc+0x78/0x1d0 [ 80.231596][ T5655] el0t_64_sync_handler+0xcc/0xe4 [ 80.232472][ T5655] el0t_64_sync+0x1a0/0x1a4 [ 80.266806][ T5661] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.275341][ T5661] CPU: 0 PID: 5661 Comm: syz.4.59 Not tainted syzkaller #0 [ 80.275810][ T5655] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.276661][ T5661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.280570][ T5661] Call trace: [ 80.281099][ T5661] dump_backtrace+0x0/0x458 [ 80.281856][ T5661] show_stack+0x2c/0x3c [ 80.282485][ T5655] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.282535][ T5661] __dump_stack+0x30/0x40 [ 80.284311][ T5661] dump_stack_lvl+0xf4/0x15c [ 80.285266][ T5661] dump_stack+0x1c/0x5c [ 80.285961][ T5661] sysfs_create_dir_ns+0x244/0x264 [ 80.286783][ T5661] kobject_add_internal+0x5ac/0xc3c [ 80.287630][ T5661] kobject_init_and_add+0x124/0x190 [ 80.288535][ T5661] gfs2_sys_fs_add+0x200/0x41c [ 80.289332][ T5661] gfs2_fill_super+0xddc/0x1a18 [ 80.290192][ T5661] get_tree_bdev+0x358/0x544 [ 80.290947][ T5661] gfs2_get_tree+0x54/0x1b4 [ 80.291714][ T5661] vfs_get_tree+0x90/0x274 [ 80.292445][ T5661] do_new_mount+0x228/0x810 [ 80.293254][ T5661] path_mount+0x5bc/0x1008 [ 80.294009][ T5661] __arm64_sys_mount+0x514/0x5f0 [ 80.294867][ T5661] invoke_syscall+0x98/0x2b0 [ 80.295653][ T5661] el0_svc_common+0x138/0x258 [ 80.296483][ T5661] do_el0_svc+0x58/0x13c [ 80.297170][ T5661] el0_svc+0x78/0x1d0 [ 80.297854][ T5661] el0t_64_sync_handler+0xcc/0xe4 [ 80.298731][ T5661] el0t_64_sync+0x1a0/0x1a4 [ 80.305863][ T5661] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.316094][ T5661] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.318216][ T5657] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.319581][ T5657] CPU: 1 PID: 5657 Comm: syz.3.57 Not tainted syzkaller #0 [ 80.320783][ T5657] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.322497][ T5657] Call trace: [ 80.323017][ T5657] dump_backtrace+0x0/0x458 [ 80.323760][ T5657] show_stack+0x2c/0x3c [ 80.324466][ T5657] __dump_stack+0x30/0x40 [ 80.325227][ T5657] dump_stack_lvl+0xf4/0x15c [ 80.325948][ T5657] dump_stack+0x1c/0x5c [ 80.326561][ T5657] sysfs_create_dir_ns+0x244/0x264 [ 80.327394][ T5657] kobject_add_internal+0x5ac/0xc3c [ 80.328299][ T5657] kobject_init_and_add+0x124/0x190 [ 80.329191][ T5657] gfs2_sys_fs_add+0x200/0x41c [ 80.330021][ T5657] gfs2_fill_super+0xddc/0x1a18 [ 80.330824][ T5657] get_tree_bdev+0x358/0x544 [ 80.331568][ T5657] gfs2_get_tree+0x54/0x1b4 [ 80.332316][ T5657] vfs_get_tree+0x90/0x274 [ 80.333030][ T5657] do_new_mount+0x228/0x810 [ 80.333872][ T5657] path_mount+0x5bc/0x1008 [ 80.334620][ T5657] __arm64_sys_mount+0x514/0x5f0 [ 80.335474][ T5657] invoke_syscall+0x98/0x2b0 [ 80.336243][ T5657] el0_svc_common+0x138/0x258 [ 80.337028][ T5657] do_el0_svc+0x58/0x13c [ 80.337709][ T5657] el0_svc+0x78/0x1d0 [ 80.338453][ T5657] el0t_64_sync_handler+0xcc/0xe4 [ 80.339336][ T5657] el0t_64_sync+0x1a0/0x1a4 [ 80.376400][ T5657] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.378932][ T5657] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.540600][ T5663] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.541874][ T5663] CPU: 0 PID: 5663 Comm: syz.0.60 Not tainted syzkaller #0 [ 80.543144][ T5663] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.544793][ T5663] Call trace: [ 80.545368][ T5663] dump_backtrace+0x0/0x458 [ 80.546140][ T5663] show_stack+0x2c/0x3c [ 80.546809][ T5663] __dump_stack+0x30/0x40 [ 80.547571][ T5663] dump_stack_lvl+0xf4/0x15c [ 80.548393][ T5663] dump_stack+0x1c/0x5c [ 80.549095][ T5663] sysfs_create_dir_ns+0x244/0x264 [ 80.549971][ T5663] kobject_add_internal+0x5ac/0xc3c [ 80.550898][ T5663] kobject_init_and_add+0x124/0x190 [ 80.551788][ T5663] gfs2_sys_fs_add+0x200/0x41c [ 80.552592][ T5663] gfs2_fill_super+0xddc/0x1a18 [ 80.553396][ T5663] get_tree_bdev+0x358/0x544 [ 80.554234][ T5663] gfs2_get_tree+0x54/0x1b4 [ 80.554995][ T5663] vfs_get_tree+0x90/0x274 [ 80.555745][ T5663] do_new_mount+0x228/0x810 [ 80.556498][ T5663] path_mount+0x5bc/0x1008 [ 80.557211][ T5663] __arm64_sys_mount+0x514/0x5f0 [ 80.558099][ T5663] invoke_syscall+0x98/0x2b0 [ 80.559127][ T5663] el0_svc_common+0x138/0x258 [ 80.559867][ T5663] do_el0_svc+0x58/0x13c [ 80.560578][ T5663] el0_svc+0x78/0x1d0 [ 80.561209][ T5663] el0t_64_sync_handler+0xcc/0xe4 [ 80.562061][ T5663] el0t_64_sync+0x1a0/0x1a4 [ 80.564877][ T5661] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.566103][ T5661] CPU: 0 PID: 5661 Comm: syz.4.59 Not tainted syzkaller #0 [ 80.567202][ T5661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.568918][ T5661] Call trace: [ 80.569473][ T5661] dump_backtrace+0x0/0x458 [ 80.570182][ T5661] show_stack+0x2c/0x3c [ 80.570867][ T5661] __dump_stack+0x30/0x40 [ 80.571568][ T5661] dump_stack_lvl+0xf4/0x15c [ 80.572445][ T5661] dump_stack+0x1c/0x5c [ 80.573176][ T5661] sysfs_create_dir_ns+0x244/0x264 [ 80.574019][ T5661] kobject_add_internal+0x5ac/0xc3c [ 80.574902][ T5661] kobject_init_and_add+0x124/0x190 [ 80.575739][ T5661] gfs2_sys_fs_add+0x200/0x41c [ 80.576538][ T5661] gfs2_fill_super+0xddc/0x1a18 [ 80.577363][ T5661] get_tree_bdev+0x358/0x544 [ 80.578144][ T5661] gfs2_get_tree+0x54/0x1b4 [ 80.578934][ T5661] vfs_get_tree+0x90/0x274 [ 80.579738][ T5661] do_new_mount+0x228/0x810 [ 80.580513][ T5661] path_mount+0x5bc/0x1008 [ 80.581229][ T5661] __arm64_sys_mount+0x514/0x5f0 [ 80.582036][ T5661] invoke_syscall+0x98/0x2b0 [ 80.582806][ T5661] el0_svc_common+0x138/0x258 [ 80.583621][ T5661] do_el0_svc+0x58/0x13c [ 80.584315][ T5661] el0_svc+0x78/0x1d0 [ 80.584971][ T5661] el0t_64_sync_handler+0xcc/0xe4 [ 80.585794][ T5661] el0t_64_sync+0x1a0/0x1a4 [ 80.587150][ T5665] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.588464][ T5665] CPU: 1 PID: 5665 Comm: syz.2.61 Not tainted syzkaller #0 [ 80.589593][ T5665] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.591159][ T5665] Call trace: [ 80.591670][ T5665] dump_backtrace+0x0/0x458 [ 80.592400][ T5665] show_stack+0x2c/0x3c [ 80.593030][ T5665] __dump_stack+0x30/0x40 [ 80.593725][ T5665] dump_stack_lvl+0xf4/0x15c [ 80.594449][ T5665] dump_stack+0x1c/0x5c [ 80.595228][ T5665] sysfs_create_dir_ns+0x244/0x264 [ 80.596126][ T5665] kobject_add_internal+0x5ac/0xc3c [ 80.596973][ T5665] kobject_init_and_add+0x124/0x190 [ 80.597822][ T5665] gfs2_sys_fs_add+0x200/0x41c [ 80.598612][ T5665] gfs2_fill_super+0xddc/0x1a18 [ 80.599441][ T5665] get_tree_bdev+0x358/0x544 [ 80.600215][ T5665] gfs2_get_tree+0x54/0x1b4 [ 80.600967][ T5665] vfs_get_tree+0x90/0x274 [ 80.601742][ T5665] do_new_mount+0x228/0x810 [ 80.602530][ T5665] path_mount+0x5bc/0x1008 [ 80.603314][ T5665] __arm64_sys_mount+0x514/0x5f0 [ 80.604129][ T5665] invoke_syscall+0x98/0x2b0 [ 80.604490][ T5661] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.604953][ T5665] el0_svc_common+0x138/0x258 [ 80.608055][ T5665] do_el0_svc+0x58/0x13c [ 80.608753][ T5665] el0_svc+0x78/0x1d0 [ 80.609463][ T5665] el0t_64_sync_handler+0xcc/0xe4 [ 80.610324][ T5665] el0t_64_sync+0x1a0/0x1a4 [ 80.611172][ T5661] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.618404][ T5665] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.620370][ T5665] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.643383][ T5663] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.645785][ T5663] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.710237][ T5667] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.711464][ T5667] CPU: 1 PID: 5667 Comm: syz.3.62 Not tainted syzkaller #0 [ 80.712603][ T5667] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.714290][ T5667] Call trace: [ 80.714833][ T5667] dump_backtrace+0x0/0x458 [ 80.715609][ T5667] show_stack+0x2c/0x3c [ 80.716347][ T5667] __dump_stack+0x30/0x40 [ 80.717088][ T5667] dump_stack_lvl+0xf4/0x15c [ 80.717866][ T5667] dump_stack+0x1c/0x5c [ 80.718597][ T5667] sysfs_create_dir_ns+0x244/0x264 [ 80.719390][ T5667] kobject_add_internal+0x5ac/0xc3c [ 80.720190][ T5667] kobject_init_and_add+0x124/0x190 [ 80.720977][ T5667] gfs2_sys_fs_add+0x200/0x41c [ 80.721720][ T5667] gfs2_fill_super+0xddc/0x1a18 [ 80.722537][ T5667] get_tree_bdev+0x358/0x544 [ 80.723308][ T5667] gfs2_get_tree+0x54/0x1b4 [ 80.724090][ T5667] vfs_get_tree+0x90/0x274 [ 80.724839][ T5667] do_new_mount+0x228/0x810 [ 80.725574][ T5667] path_mount+0x5bc/0x1008 [ 80.726278][ T5667] __arm64_sys_mount+0x514/0x5f0 [ 80.727052][ T5667] invoke_syscall+0x98/0x2b0 [ 80.727858][ T5667] el0_svc_common+0x138/0x258 [ 80.728690][ T5667] do_el0_svc+0x58/0x13c [ 80.729418][ T5667] el0_svc+0x78/0x1d0 [ 80.730136][ T5667] el0t_64_sync_handler+0xcc/0xe4 [ 80.731030][ T5667] el0t_64_sync+0x1a0/0x1a4 [ 80.772420][ T5667] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.774551][ T5667] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.888220][ T5669] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.889507][ T5669] CPU: 1 PID: 5669 Comm: syz.4.63 Not tainted syzkaller #0 [ 80.890701][ T5669] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.892261][ T5669] Call trace: [ 80.892766][ T5669] dump_backtrace+0x0/0x458 [ 80.893489][ T5669] show_stack+0x2c/0x3c [ 80.894184][ T5669] __dump_stack+0x30/0x40 [ 80.894878][ T5669] dump_stack_lvl+0xf4/0x15c [ 80.895676][ T5669] dump_stack+0x1c/0x5c [ 80.896363][ T5669] sysfs_create_dir_ns+0x244/0x264 [ 80.897234][ T5669] kobject_add_internal+0x5ac/0xc3c [ 80.898114][ T5669] kobject_init_and_add+0x124/0x190 [ 80.898972][ T5669] gfs2_sys_fs_add+0x200/0x41c [ 80.899775][ T5669] gfs2_fill_super+0xddc/0x1a18 [ 80.900579][ T5669] get_tree_bdev+0x358/0x544 [ 80.901339][ T5669] gfs2_get_tree+0x54/0x1b4 [ 80.902028][ T5669] vfs_get_tree+0x90/0x274 [ 80.902685][ T5669] do_new_mount+0x228/0x810 [ 80.903416][ T5669] path_mount+0x5bc/0x1008 [ 80.904169][ T5669] __arm64_sys_mount+0x514/0x5f0 [ 80.904977][ T5669] invoke_syscall+0x98/0x2b0 [ 80.905711][ T5669] el0_svc_common+0x138/0x258 [ 80.906467][ T5669] do_el0_svc+0x58/0x13c [ 80.907139][ T5669] el0_svc+0x78/0x1d0 [ 80.907758][ T5669] el0t_64_sync_handler+0xcc/0xe4 [ 80.908542][ T5669] el0t_64_sync+0x1a0/0x1a4 [ 80.918993][ T5663] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.920279][ T5663] CPU: 0 PID: 5663 Comm: syz.0.60 Not tainted syzkaller #0 [ 80.921402][ T5663] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.922835][ T5669] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.923060][ T5663] Call trace: [ 80.925072][ T5669] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.925600][ T5663] dump_backtrace+0x0/0x458 [ 80.927338][ T5663] show_stack+0x2c/0x3c [ 80.928041][ T5663] __dump_stack+0x30/0x40 [ 80.928828][ T5663] dump_stack_lvl+0xf4/0x15c [ 80.929632][ T5663] dump_stack+0x1c/0x5c [ 80.930361][ T5663] sysfs_create_dir_ns+0x244/0x264 [ 80.931236][ T5663] kobject_add_internal+0x5ac/0xc3c [ 80.932114][ T5663] kobject_init_and_add+0x124/0x190 [ 80.932962][ T5663] gfs2_sys_fs_add+0x200/0x41c [ 80.933706][ T5663] gfs2_fill_super+0xddc/0x1a18 [ 80.934531][ T5663] get_tree_bdev+0x358/0x544 [ 80.935326][ T5663] gfs2_get_tree+0x54/0x1b4 [ 80.936126][ T5663] vfs_get_tree+0x90/0x274 [ 80.936823][ T5663] do_new_mount+0x228/0x810 [ 80.937531][ T5663] path_mount+0x5bc/0x1008 [ 80.938226][ T5663] __arm64_sys_mount+0x514/0x5f0 [ 80.938964][ T5663] invoke_syscall+0x98/0x2b0 [ 80.939706][ T5663] el0_svc_common+0x138/0x258 [ 80.940433][ T5663] do_el0_svc+0x58/0x13c [ 80.941093][ T5663] el0_svc+0x78/0x1d0 [ 80.941730][ T5663] el0t_64_sync_handler+0xcc/0xe4 [ 80.942510][ T5663] el0t_64_sync+0x1a0/0x1a4 [ 80.945291][ T5665] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.946491][ T5665] CPU: 0 PID: 5665 Comm: syz.2.61 Not tainted syzkaller #0 [ 80.947749][ T5665] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.949486][ T5665] Call trace: [ 80.950064][ T5665] dump_backtrace+0x0/0x458 [ 80.950848][ T5665] show_stack+0x2c/0x3c [ 80.951558][ T5665] __dump_stack+0x30/0x40 [ 80.952313][ T5665] dump_stack_lvl+0xf4/0x15c [ 80.953099][ T5665] dump_stack+0x1c/0x5c [ 80.953807][ T5665] sysfs_create_dir_ns+0x244/0x264 [ 80.954667][ T5665] kobject_add_internal+0x5ac/0xc3c [ 80.955533][ T5665] kobject_init_and_add+0x124/0x190 [ 80.956337][ T5665] gfs2_sys_fs_add+0x200/0x41c [ 80.957083][ T5665] gfs2_fill_super+0xddc/0x1a18 [ 80.957854][ T5665] get_tree_bdev+0x358/0x544 [ 80.958638][ T5665] gfs2_get_tree+0x54/0x1b4 [ 80.959415][ T5665] vfs_get_tree+0x90/0x274 [ 80.960104][ T5665] do_new_mount+0x228/0x810 [ 80.960793][ T5665] path_mount+0x5bc/0x1008 [ 80.961506][ T5665] __arm64_sys_mount+0x514/0x5f0 [ 80.962280][ T5665] invoke_syscall+0x98/0x2b0 [ 80.963062][ T5665] el0_svc_common+0x138/0x258 [ 80.963864][ T5665] do_el0_svc+0x58/0x13c [ 80.964622][ T5665] el0_svc+0x78/0x1d0 [ 80.965302][ T5665] el0t_64_sync_handler+0xcc/0xe4 [ 80.966170][ T5665] el0t_64_sync+0x1a0/0x1a4 [ 80.986460][ T5665] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.988717][ T5665] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.990037][ T5663] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.992058][ T5663] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:01:21 executed programs: 59 [ 81.052402][ T5667] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.053687][ T5667] CPU: 0 PID: 5667 Comm: syz.3.62 Not tainted syzkaller #0 [ 81.054848][ T5667] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.056418][ T5667] Call trace: [ 81.056960][ T5667] dump_backtrace+0x0/0x458 [ 81.057716][ T5667] show_stack+0x2c/0x3c [ 81.058384][ T5667] __dump_stack+0x30/0x40 [ 81.059095][ T5667] dump_stack_lvl+0xf4/0x15c [ 81.059845][ T5667] dump_stack+0x1c/0x5c [ 81.060502][ T5667] sysfs_create_dir_ns+0x244/0x264 [ 81.061385][ T5667] kobject_add_internal+0x5ac/0xc3c [ 81.062285][ T5667] kobject_init_and_add+0x124/0x190 [ 81.063200][ T5667] gfs2_sys_fs_add+0x200/0x41c [ 81.064015][ T5667] gfs2_fill_super+0xddc/0x1a18 [ 81.064801][ T5667] get_tree_bdev+0x358/0x544 [ 81.065601][ T5667] gfs2_get_tree+0x54/0x1b4 [ 81.066370][ T5667] vfs_get_tree+0x90/0x274 [ 81.067106][ T5667] do_new_mount+0x228/0x810 [ 81.067851][ T5667] path_mount+0x5bc/0x1008 [ 81.068585][ T5667] __arm64_sys_mount+0x514/0x5f0 [ 81.069380][ T5667] invoke_syscall+0x98/0x2b0 [ 81.070070][ T5667] el0_svc_common+0x138/0x258 [ 81.070766][ T5667] do_el0_svc+0x58/0x13c [ 81.071378][ T5667] el0_svc+0x78/0x1d0 [ 81.071983][ T5667] el0t_64_sync_handler+0xcc/0xe4 [ 81.072710][ T5667] el0t_64_sync+0x1a0/0x1a4 [ 81.109121][ T5667] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.111474][ T5667] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.207583][ T5669] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.208859][ T5669] CPU: 0 PID: 5669 Comm: syz.4.63 Not tainted syzkaller #0 [ 81.210066][ T5669] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.211786][ T5669] Call trace: [ 81.212342][ T5669] dump_backtrace+0x0/0x458 [ 81.213096][ T5669] show_stack+0x2c/0x3c [ 81.213810][ T5669] __dump_stack+0x30/0x40 [ 81.214573][ T5669] dump_stack_lvl+0xf4/0x15c [ 81.215308][ T5669] dump_stack+0x1c/0x5c [ 81.215974][ T5669] sysfs_create_dir_ns+0x244/0x264 [ 81.216768][ T5669] kobject_add_internal+0x5ac/0xc3c [ 81.217598][ T5669] kobject_init_and_add+0x124/0x190 [ 81.218428][ T5669] gfs2_sys_fs_add+0x200/0x41c [ 81.219208][ T5669] gfs2_fill_super+0xddc/0x1a18 [ 81.219987][ T5669] get_tree_bdev+0x358/0x544 [ 81.220744][ T5669] gfs2_get_tree+0x54/0x1b4 [ 81.221565][ T5669] vfs_get_tree+0x90/0x274 [ 81.222333][ T5669] do_new_mount+0x228/0x810 [ 81.223133][ T5669] path_mount+0x5bc/0x1008 [ 81.223916][ T5669] __arm64_sys_mount+0x514/0x5f0 [ 81.224735][ T5669] invoke_syscall+0x98/0x2b0 [ 81.225504][ T5669] el0_svc_common+0x138/0x258 [ 81.226289][ T5669] do_el0_svc+0x58/0x13c [ 81.227006][ T5669] el0_svc+0x78/0x1d0 [ 81.227683][ T5669] el0t_64_sync_handler+0xcc/0xe4 [ 81.228506][ T5669] el0t_64_sync+0x1a0/0x1a4 [ 81.251678][ T5669] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.253977][ T5669] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.278440][ T5673] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.279667][ T5673] CPU: 1 PID: 5673 Comm: syz.0.65 Not tainted syzkaller #0 [ 81.280847][ T5673] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.282522][ T5673] Call trace: [ 81.283062][ T5673] dump_backtrace+0x0/0x458 [ 81.283790][ T5673] show_stack+0x2c/0x3c [ 81.284431][ T5673] __dump_stack+0x30/0x40 [ 81.285106][ T5673] dump_stack_lvl+0xf4/0x15c [ 81.285851][ T5673] dump_stack+0x1c/0x5c [ 81.286548][ T5673] sysfs_create_dir_ns+0x244/0x264 [ 81.287411][ T5673] kobject_add_internal+0x5ac/0xc3c [ 81.288253][ T5673] kobject_init_and_add+0x124/0x190 [ 81.289139][ T5673] gfs2_sys_fs_add+0x200/0x41c [ 81.289875][ T5673] gfs2_fill_super+0xddc/0x1a18 [ 81.290627][ T5673] get_tree_bdev+0x358/0x544 [ 81.291405][ T5673] gfs2_get_tree+0x54/0x1b4 [ 81.292143][ T5673] vfs_get_tree+0x90/0x274 [ 81.292848][ T5673] do_new_mount+0x228/0x810 [ 81.293606][ T5673] path_mount+0x5bc/0x1008 [ 81.294343][ T5673] __arm64_sys_mount+0x514/0x5f0 [ 81.295168][ T5673] invoke_syscall+0x98/0x2b0 [ 81.296000][ T5673] el0_svc_common+0x138/0x258 [ 81.296722][ T5673] do_el0_svc+0x58/0x13c [ 81.297454][ T5673] el0_svc+0x78/0x1d0 [ 81.298124][ T5673] el0t_64_sync_handler+0xcc/0xe4 [ 81.298964][ T5673] el0t_64_sync+0x1a0/0x1a4 [ 81.319512][ T5673] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.321935][ T5672] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.323543][ T5672] CPU: 1 PID: 5672 Comm: syz.2.64 Not tainted syzkaller #0 [ 81.324668][ T5672] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.326312][ T5672] Call trace: [ 81.326861][ T5672] dump_backtrace+0x0/0x458 [ 81.327590][ T5672] show_stack+0x2c/0x3c [ 81.328292][ T5672] __dump_stack+0x30/0x40 [ 81.329081][ T5672] dump_stack_lvl+0xf4/0x15c [ 81.329883][ T5672] dump_stack+0x1c/0x5c [ 81.330570][ T5672] sysfs_create_dir_ns+0x244/0x264 [ 81.331456][ T5672] kobject_add_internal+0x5ac/0xc3c [ 81.332366][ T5672] kobject_init_and_add+0x124/0x190 [ 81.333245][ T5672] gfs2_sys_fs_add+0x200/0x41c [ 81.334055][ T5672] gfs2_fill_super+0xddc/0x1a18 [ 81.334882][ T5672] get_tree_bdev+0x358/0x544 [ 81.335669][ T5672] gfs2_get_tree+0x54/0x1b4 [ 81.336427][ T5672] vfs_get_tree+0x90/0x274 [ 81.337183][ T5672] do_new_mount+0x228/0x810 [ 81.337982][ T5672] path_mount+0x5bc/0x1008 [ 81.338765][ T5672] __arm64_sys_mount+0x514/0x5f0 [ 81.339567][ T5672] invoke_syscall+0x98/0x2b0 [ 81.340356][ T5672] el0_svc_common+0x138/0x258 [ 81.341171][ T5672] do_el0_svc+0x58/0x13c [ 81.341925][ T5672] el0_svc+0x78/0x1d0 [ 81.342637][ T5672] el0t_64_sync_handler+0xcc/0xe4 [ 81.343489][ T5672] el0t_64_sync+0x1a0/0x1a4 [ 81.349348][ T5673] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.357069][ T5672] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.359626][ T5672] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.361480][ T5675] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.362707][ T5675] CPU: 0 PID: 5675 Comm: syz.3.66 Not tainted syzkaller #0 [ 81.363954][ T5675] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.365602][ T5675] Call trace: [ 81.366103][ T5675] dump_backtrace+0x0/0x458 [ 81.366835][ T5675] show_stack+0x2c/0x3c [ 81.367531][ T5675] __dump_stack+0x30/0x40 [ 81.368277][ T5675] dump_stack_lvl+0xf4/0x15c [ 81.369063][ T5675] dump_stack+0x1c/0x5c [ 81.369755][ T5675] sysfs_create_dir_ns+0x244/0x264 [ 81.370582][ T5675] kobject_add_internal+0x5ac/0xc3c [ 81.371449][ T5675] kobject_init_and_add+0x124/0x190 [ 81.372321][ T5675] gfs2_sys_fs_add+0x200/0x41c [ 81.373153][ T5675] gfs2_fill_super+0xddc/0x1a18 [ 81.373957][ T5675] get_tree_bdev+0x358/0x544 [ 81.374764][ T5675] gfs2_get_tree+0x54/0x1b4 [ 81.375526][ T5675] vfs_get_tree+0x90/0x274 [ 81.376225][ T5675] do_new_mount+0x228/0x810 [ 81.377020][ T5675] path_mount+0x5bc/0x1008 [ 81.377742][ T5675] __arm64_sys_mount+0x514/0x5f0 [ 81.378570][ T5675] invoke_syscall+0x98/0x2b0 [ 81.379306][ T5675] el0_svc_common+0x138/0x258 [ 81.380073][ T5675] do_el0_svc+0x58/0x13c [ 81.380732][ T5675] el0_svc+0x78/0x1d0 [ 81.381396][ T5675] el0t_64_sync_handler+0xcc/0xe4 [ 81.382267][ T5675] el0t_64_sync+0x1a0/0x1a4 [ 81.416808][ T5675] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.419479][ T5675] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.509486][ T5677] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.510778][ T5677] CPU: 1 PID: 5677 Comm: syz.4.67 Not tainted syzkaller #0 [ 81.512046][ T5677] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.513794][ T5677] Call trace: [ 81.514356][ T5677] dump_backtrace+0x0/0x458 [ 81.515124][ T5677] show_stack+0x2c/0x3c [ 81.515848][ T5677] __dump_stack+0x30/0x40 [ 81.516631][ T5677] dump_stack_lvl+0xf4/0x15c [ 81.517391][ T5677] dump_stack+0x1c/0x5c [ 81.518033][ T5677] sysfs_create_dir_ns+0x244/0x264 [ 81.518856][ T5677] kobject_add_internal+0x5ac/0xc3c [ 81.519764][ T5677] kobject_init_and_add+0x124/0x190 [ 81.520673][ T5677] gfs2_sys_fs_add+0x200/0x41c [ 81.521512][ T5677] gfs2_fill_super+0xddc/0x1a18 [ 81.522347][ T5677] get_tree_bdev+0x358/0x544 [ 81.523115][ T5677] gfs2_get_tree+0x54/0x1b4 [ 81.523834][ T5677] vfs_get_tree+0x90/0x274 [ 81.524544][ T5677] do_new_mount+0x228/0x810 [ 81.525293][ T5677] path_mount+0x5bc/0x1008 [ 81.526010][ T5677] __arm64_sys_mount+0x514/0x5f0 [ 81.526841][ T5677] invoke_syscall+0x98/0x2b0 [ 81.527580][ T5677] el0_svc_common+0x138/0x258 [ 81.528344][ T5677] do_el0_svc+0x58/0x13c [ 81.529111][ T5677] el0_svc+0x78/0x1d0 [ 81.529754][ T5677] el0t_64_sync_handler+0xcc/0xe4 [ 81.530548][ T5677] el0t_64_sync+0x1a0/0x1a4 [ 81.543568][ T5677] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.545694][ T5677] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.552664][ T5673] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.553942][ T5673] CPU: 0 PID: 5673 Comm: syz.0.65 Not tainted syzkaller #0 [ 81.555087][ T5673] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.556706][ T5673] Call trace: [ 81.557205][ T5673] dump_backtrace+0x0/0x458 [ 81.557997][ T5673] show_stack+0x2c/0x3c [ 81.558663][ T5673] __dump_stack+0x30/0x40 [ 81.559360][ T5673] dump_stack_lvl+0xf4/0x15c [ 81.560126][ T5673] dump_stack+0x1c/0x5c [ 81.560852][ T5673] sysfs_create_dir_ns+0x244/0x264 [ 81.561721][ T5673] kobject_add_internal+0x5ac/0xc3c [ 81.562547][ T5673] kobject_init_and_add+0x124/0x190 [ 81.563431][ T5673] gfs2_sys_fs_add+0x200/0x41c [ 81.564267][ T5673] gfs2_fill_super+0xddc/0x1a18 [ 81.565110][ T5673] get_tree_bdev+0x358/0x544 [ 81.565891][ T5673] gfs2_get_tree+0x54/0x1b4 [ 81.566640][ T5673] vfs_get_tree+0x90/0x274 [ 81.567369][ T5673] do_new_mount+0x228/0x810 [ 81.568163][ T5673] path_mount+0x5bc/0x1008 [ 81.568886][ T5673] __arm64_sys_mount+0x514/0x5f0 [ 81.569800][ T5673] invoke_syscall+0x98/0x2b0 [ 81.570571][ T5673] el0_svc_common+0x138/0x258 [ 81.571293][ T5673] do_el0_svc+0x58/0x13c [ 81.572066][ T5673] el0_svc+0x78/0x1d0 [ 81.572728][ T5673] el0t_64_sync_handler+0xcc/0xe4 [ 81.573531][ T5673] el0t_64_sync+0x1a0/0x1a4 [ 81.617784][ T5673] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.619973][ T5673] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.696860][ T5675] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.698271][ T5675] CPU: 1 PID: 5675 Comm: syz.3.66 Not tainted syzkaller #0 [ 81.699390][ T5675] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.700890][ T5675] Call trace: [ 81.701431][ T5675] dump_backtrace+0x0/0x458 [ 81.702201][ T5675] show_stack+0x2c/0x3c [ 81.702879][ T5675] __dump_stack+0x30/0x40 [ 81.703643][ T5675] dump_stack_lvl+0xf4/0x15c [ 81.704409][ T5675] dump_stack+0x1c/0x5c [ 81.705121][ T5675] sysfs_create_dir_ns+0x244/0x264 [ 81.706009][ T5675] kobject_add_internal+0x5ac/0xc3c [ 81.706840][ T5675] kobject_init_and_add+0x124/0x190 [ 81.707691][ T5675] gfs2_sys_fs_add+0x200/0x41c [ 81.708532][ T5675] gfs2_fill_super+0xddc/0x1a18 [ 81.709334][ T5675] get_tree_bdev+0x358/0x544 [ 81.710121][ T5675] gfs2_get_tree+0x54/0x1b4 [ 81.710839][ T5675] vfs_get_tree+0x90/0x274 [ 81.711555][ T5675] do_new_mount+0x228/0x810 [ 81.712307][ T5675] path_mount+0x5bc/0x1008 [ 81.713079][ T5675] __arm64_sys_mount+0x514/0x5f0 [ 81.713937][ T5675] invoke_syscall+0x98/0x2b0 [ 81.714648][ T5675] el0_svc_common+0x138/0x258 [ 81.715389][ T5675] do_el0_svc+0x58/0x13c [ 81.716043][ T5675] el0_svc+0x78/0x1d0 [ 81.716656][ T5675] el0t_64_sync_handler+0xcc/0xe4 [ 81.717470][ T5675] el0t_64_sync+0x1a0/0x1a4 [ 81.737372][ T5675] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.747315][ T5675] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.760098][ T5672] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.761403][ T5672] CPU: 0 PID: 5672 Comm: syz.2.64 Not tainted syzkaller #0 [ 81.762658][ T5672] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.764265][ T5672] Call trace: [ 81.764819][ T5672] dump_backtrace+0x0/0x458 [ 81.765596][ T5672] show_stack+0x2c/0x3c [ 81.766265][ T5672] __dump_stack+0x30/0x40 [ 81.767014][ T5672] dump_stack_lvl+0xf4/0x15c [ 81.767735][ T5672] dump_stack+0x1c/0x5c [ 81.768454][ T5672] sysfs_create_dir_ns+0x244/0x264 [ 81.769331][ T5672] kobject_add_internal+0x5ac/0xc3c [ 81.770139][ T5672] kobject_init_and_add+0x124/0x190 [ 81.771003][ T5672] gfs2_sys_fs_add+0x200/0x41c [ 81.771765][ T5672] gfs2_fill_super+0xddc/0x1a18 [ 81.772626][ T5672] get_tree_bdev+0x358/0x544 [ 81.773373][ T5672] gfs2_get_tree+0x54/0x1b4 [ 81.774152][ T5672] vfs_get_tree+0x90/0x274 [ 81.774915][ T5672] do_new_mount+0x228/0x810 [ 81.775722][ T5672] path_mount+0x5bc/0x1008 [ 81.776451][ T5672] __arm64_sys_mount+0x514/0x5f0 [ 81.777269][ T5672] invoke_syscall+0x98/0x2b0 [ 81.778051][ T5672] el0_svc_common+0x138/0x258 [ 81.778835][ T5672] do_el0_svc+0x58/0x13c [ 81.779583][ T5672] el0_svc+0x78/0x1d0 [ 81.780244][ T5672] el0t_64_sync_handler+0xcc/0xe4 [ 81.781087][ T5672] el0t_64_sync+0x1a0/0x1a4 [ 81.819744][ T5672] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.821835][ T5672] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.823900][ T5679] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.825142][ T5679] CPU: 1 PID: 5679 Comm: syz.0.68 Not tainted syzkaller #0 [ 81.826292][ T5679] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.827956][ T5679] Call trace: [ 81.828527][ T5679] dump_backtrace+0x0/0x458 [ 81.829296][ T5679] show_stack+0x2c/0x3c [ 81.830037][ T5679] __dump_stack+0x30/0x40 [ 81.830777][ T5679] dump_stack_lvl+0xf4/0x15c [ 81.831558][ T5679] dump_stack+0x1c/0x5c [ 81.832232][ T5679] sysfs_create_dir_ns+0x244/0x264 [ 81.833052][ T5679] kobject_add_internal+0x5ac/0xc3c [ 81.833960][ T5679] kobject_init_and_add+0x124/0x190 [ 81.834790][ T5679] gfs2_sys_fs_add+0x200/0x41c [ 81.835501][ T5679] gfs2_fill_super+0xddc/0x1a18 [ 81.836303][ T5679] get_tree_bdev+0x358/0x544 [ 81.837079][ T5679] gfs2_get_tree+0x54/0x1b4 [ 81.837827][ T5679] vfs_get_tree+0x90/0x274 [ 81.838572][ T5679] do_new_mount+0x228/0x810 [ 81.839329][ T5679] path_mount+0x5bc/0x1008 [ 81.840062][ T5679] __arm64_sys_mount+0x514/0x5f0 [ 81.840828][ T5679] invoke_syscall+0x98/0x2b0 [ 81.841604][ T5679] el0_svc_common+0x138/0x258 [ 81.842331][ T5679] do_el0_svc+0x58/0x13c [ 81.843025][ T5679] el0_svc+0x78/0x1d0 [ 81.843672][ T5679] el0t_64_sync_handler+0xcc/0xe4 [ 81.844450][ T5679] el0t_64_sync+0x1a0/0x1a4 [ 81.860231][ T5679] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.862439][ T5679] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.883978][ T5677] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.885228][ T5677] CPU: 0 PID: 5677 Comm: syz.4.67 Not tainted syzkaller #0 [ 81.886457][ T5677] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.888142][ T5677] Call trace: [ 81.888678][ T5677] dump_backtrace+0x0/0x458 [ 81.889489][ T5677] show_stack+0x2c/0x3c [ 81.890135][ T5677] __dump_stack+0x30/0x40 [ 81.890810][ T5677] dump_stack_lvl+0xf4/0x15c [ 81.891575][ T5677] dump_stack+0x1c/0x5c [ 81.892264][ T5677] sysfs_create_dir_ns+0x244/0x264 [ 81.893146][ T5677] kobject_add_internal+0x5ac/0xc3c [ 81.893955][ T5677] kobject_init_and_add+0x124/0x190 [ 81.894776][ T5677] gfs2_sys_fs_add+0x200/0x41c [ 81.895555][ T5677] gfs2_fill_super+0xddc/0x1a18 [ 81.896412][ T5677] get_tree_bdev+0x358/0x544 [ 81.897196][ T5677] gfs2_get_tree+0x54/0x1b4 [ 81.897967][ T5677] vfs_get_tree+0x90/0x274 [ 81.898700][ T5677] do_new_mount+0x228/0x810 [ 81.899465][ T5677] path_mount+0x5bc/0x1008 [ 81.900185][ T5677] __arm64_sys_mount+0x514/0x5f0 [ 81.901047][ T5677] invoke_syscall+0x98/0x2b0 [ 81.901818][ T5677] el0_svc_common+0x138/0x258 [ 81.902647][ T5677] do_el0_svc+0x58/0x13c [ 81.903423][ T5677] el0_svc+0x78/0x1d0 [ 81.904133][ T5677] el0t_64_sync_handler+0xcc/0xe4 [ 81.905016][ T5677] el0t_64_sync+0x1a0/0x1a4 [ 81.923115][ T5677] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.926380][ T5677] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.158949][ T5685] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.160380][ T5685] CPU: 1 PID: 5685 Comm: syz.4.71 Not tainted syzkaller #0 [ 82.161675][ T5685] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.163323][ T5685] Call trace: [ 82.163821][ T5685] dump_backtrace+0x0/0x458 [ 82.164514][ T5685] show_stack+0x2c/0x3c [ 82.165183][ T5685] __dump_stack+0x30/0x40 [ 82.165910][ T5685] dump_stack_lvl+0xf4/0x15c [ 82.166587][ T5685] dump_stack+0x1c/0x5c [ 82.167354][ T5685] sysfs_create_dir_ns+0x244/0x264 [ 82.168241][ T5685] kobject_add_internal+0x5ac/0xc3c [ 82.169157][ T5685] kobject_init_and_add+0x124/0x190 [ 82.170056][ T5685] gfs2_sys_fs_add+0x200/0x41c [ 82.170844][ T5685] gfs2_fill_super+0xddc/0x1a18 [ 82.171604][ T5685] get_tree_bdev+0x358/0x544 [ 82.172321][ T5685] gfs2_get_tree+0x54/0x1b4 [ 82.173007][ T5685] vfs_get_tree+0x90/0x274 [ 82.173750][ T5685] do_new_mount+0x228/0x810 [ 82.174464][ T5685] path_mount+0x5bc/0x1008 [ 82.175195][ T5685] __arm64_sys_mount+0x514/0x5f0 [ 82.175943][ T5685] invoke_syscall+0x98/0x2b0 [ 82.176685][ T5685] el0_svc_common+0x138/0x258 [ 82.177450][ T5685] do_el0_svc+0x58/0x13c [ 82.178168][ T5685] el0_svc+0x78/0x1d0 [ 82.178831][ T5685] el0t_64_sync_handler+0xcc/0xe4 [ 82.179740][ T5685] el0t_64_sync+0x1a0/0x1a4 [ 82.181265][ T5685] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.183346][ T5685] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.185362][ T5681] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.186625][ T5681] CPU: 1 PID: 5681 Comm: syz.3.69 Not tainted syzkaller #0 [ 82.187828][ T5681] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.189469][ T5681] Call trace: [ 82.190022][ T5681] dump_backtrace+0x0/0x458 [ 82.190831][ T5681] show_stack+0x2c/0x3c [ 82.191575][ T5681] __dump_stack+0x30/0x40 [ 82.192253][ T5681] dump_stack_lvl+0xf4/0x15c [ 82.193044][ T5681] dump_stack+0x1c/0x5c [ 82.193730][ T5681] sysfs_create_dir_ns+0x244/0x264 [ 82.194624][ T5681] kobject_add_internal+0x5ac/0xc3c [ 82.195554][ T5681] kobject_init_and_add+0x124/0x190 [ 82.196513][ T5681] gfs2_sys_fs_add+0x200/0x41c [ 82.197378][ T5681] gfs2_fill_super+0xddc/0x1a18 [ 82.198197][ T5681] get_tree_bdev+0x358/0x544 [ 82.198965][ T5681] gfs2_get_tree+0x54/0x1b4 [ 82.199719][ T5681] vfs_get_tree+0x90/0x274 [ 82.200454][ T5681] do_new_mount+0x228/0x810 [ 82.201229][ T5681] path_mount+0x5bc/0x1008 [ 82.201935][ T5681] __arm64_sys_mount+0x514/0x5f0 [ 82.202797][ T5681] invoke_syscall+0x98/0x2b0 [ 82.203592][ T5681] el0_svc_common+0x138/0x258 [ 82.204315][ T5681] do_el0_svc+0x58/0x13c [ 82.204977][ T5681] el0_svc+0x78/0x1d0 [ 82.205633][ T5681] el0t_64_sync_handler+0xcc/0xe4 [ 82.206445][ T5681] el0t_64_sync+0x1a0/0x1a4 [ 82.207402][ T5681] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.209543][ T5681] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.217853][ T5679] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.218896][ T5683] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.219161][ T5679] CPU: 0 PID: 5679 Comm: syz.0.68 Not tainted syzkaller #0 [ 82.221581][ T5679] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.223218][ T5679] Call trace: [ 82.223759][ T5679] dump_backtrace+0x0/0x458 [ 82.224496][ T5679] show_stack+0x2c/0x3c [ 82.225228][ T5679] __dump_stack+0x30/0x40 [ 82.226006][ T5679] dump_stack_lvl+0xf4/0x15c [ 82.226764][ T5679] dump_stack+0x1c/0x5c [ 82.227502][ T5679] sysfs_create_dir_ns+0x244/0x264 [ 82.228308][ T5679] kobject_add_internal+0x5ac/0xc3c [ 82.229129][ T5679] kobject_init_and_add+0x124/0x190 [ 82.230019][ T5679] gfs2_sys_fs_add+0x200/0x41c [ 82.230838][ T5679] gfs2_fill_super+0xddc/0x1a18 [ 82.231613][ T5679] get_tree_bdev+0x358/0x544 [ 82.232320][ T5679] gfs2_get_tree+0x54/0x1b4 [ 82.233046][ T5679] vfs_get_tree+0x90/0x274 [ 82.233813][ T5679] do_new_mount+0x228/0x810 [ 82.234549][ T5679] path_mount+0x5bc/0x1008 [ 82.235316][ T5679] __arm64_sys_mount+0x514/0x5f0 [ 82.236181][ T5679] invoke_syscall+0x98/0x2b0 [ 82.236966][ T5679] el0_svc_common+0x138/0x258 [ 82.237754][ T5679] do_el0_svc+0x58/0x13c [ 82.238479][ T5679] el0_svc+0x78/0x1d0 [ 82.239199][ T5679] el0t_64_sync_handler+0xcc/0xe4 [ 82.240065][ T5679] el0t_64_sync+0x1a0/0x1a4 [ 82.240852][ T5683] CPU: 1 PID: 5683 Comm: syz.2.70 Not tainted syzkaller #0 [ 82.242000][ T5683] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.243723][ T5683] Call trace: [ 82.244073][ T5679] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.244268][ T5683] dump_backtrace+0x0/0x458 [ 82.246880][ T5679] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.247105][ T5683] show_stack+0x2c/0x3c [ 82.248847][ T5683] __dump_stack+0x30/0x40 [ 82.249532][ T5683] dump_stack_lvl+0xf4/0x15c [ 82.250330][ T5683] dump_stack+0x1c/0x5c [ 82.251001][ T5683] sysfs_create_dir_ns+0x244/0x264 [ 82.251795][ T5683] kobject_add_internal+0x5ac/0xc3c [ 82.252634][ T5683] kobject_init_and_add+0x124/0x190 [ 82.253570][ T5683] gfs2_sys_fs_add+0x200/0x41c [ 82.254416][ T5683] gfs2_fill_super+0xddc/0x1a18 [ 82.255224][ T5683] get_tree_bdev+0x358/0x544 [ 82.256034][ T5683] gfs2_get_tree+0x54/0x1b4 [ 82.256806][ T5683] vfs_get_tree+0x90/0x274 [ 82.257577][ T5683] do_new_mount+0x228/0x810 [ 82.258324][ T5683] path_mount+0x5bc/0x1008 [ 82.259052][ T5683] __arm64_sys_mount+0x514/0x5f0 [ 82.259875][ T5683] invoke_syscall+0x98/0x2b0 [ 82.260624][ T5683] el0_svc_common+0x138/0x258 [ 82.261434][ T5683] do_el0_svc+0x58/0x13c [ 82.262188][ T5683] el0_svc+0x78/0x1d0 [ 82.262895][ T5683] el0t_64_sync_handler+0xcc/0xe4 [ 82.263776][ T5683] el0t_64_sync+0x1a0/0x1a4 [ 82.265076][ T5683] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.267175][ T5683] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.542034][ T5687] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.543281][ T5687] CPU: 0 PID: 5687 Comm: syz.0.72 Not tainted syzkaller #0 [ 82.544505][ T5687] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.546139][ T5687] Call trace: [ 82.546743][ T5687] dump_backtrace+0x0/0x458 [ 82.547566][ T5687] show_stack+0x2c/0x3c [ 82.548283][ T5687] __dump_stack+0x30/0x40 [ 82.549033][ T5687] dump_stack_lvl+0xf4/0x15c [ 82.549798][ T5687] dump_stack+0x1c/0x5c [ 82.550447][ T5687] sysfs_create_dir_ns+0x244/0x264 [ 82.551275][ T5687] kobject_add_internal+0x5ac/0xc3c [ 82.552185][ T5687] kobject_init_and_add+0x124/0x190 [ 82.553078][ T5687] gfs2_sys_fs_add+0x200/0x41c [ 82.553932][ T5687] gfs2_fill_super+0xddc/0x1a18 [ 82.554704][ T5687] get_tree_bdev+0x358/0x544 [ 82.555506][ T5687] gfs2_get_tree+0x54/0x1b4 [ 82.556262][ T5687] vfs_get_tree+0x90/0x274 [ 82.557025][ T5687] do_new_mount+0x228/0x810 [ 82.557778][ T5687] path_mount+0x5bc/0x1008 [ 82.558539][ T5687] __arm64_sys_mount+0x514/0x5f0 [ 82.559347][ T5687] invoke_syscall+0x98/0x2b0 [ 82.560117][ T5687] el0_svc_common+0x138/0x258 [ 82.560901][ T5687] do_el0_svc+0x58/0x13c [ 82.561626][ T5687] el0_svc+0x78/0x1d0 [ 82.562233][ T5687] el0t_64_sync_handler+0xcc/0xe4 [ 82.563054][ T5687] el0t_64_sync+0x1a0/0x1a4 [ 82.576436][ T5687] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.578872][ T5687] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.597920][ T5681] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.597921][ T5685] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.597935][ T5685] CPU: 0 PID: 5685 Comm: syz.4.71 Not tainted syzkaller #0 [ 82.601600][ T5685] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.603266][ T5685] Call trace: [ 82.603817][ T5685] dump_backtrace+0x0/0x458 [ 82.604538][ T5685] show_stack+0x2c/0x3c [ 82.605249][ T5685] __dump_stack+0x30/0x40 [ 82.605998][ T5685] dump_stack_lvl+0xf4/0x15c [ 82.606737][ T5685] dump_stack+0x1c/0x5c [ 82.607511][ T5685] sysfs_create_dir_ns+0x244/0x264 [ 82.608417][ T5685] kobject_add_internal+0x5ac/0xc3c [ 82.609294][ T5685] kobject_init_and_add+0x124/0x190 [ 82.610242][ T5685] gfs2_sys_fs_add+0x200/0x41c [ 82.611092][ T5685] gfs2_fill_super+0xddc/0x1a18 [ 82.611901][ T5685] get_tree_bdev+0x358/0x544 [ 82.612735][ T5685] gfs2_get_tree+0x54/0x1b4 [ 82.613506][ T5685] vfs_get_tree+0x90/0x274 [ 82.614241][ T5685] do_new_mount+0x228/0x810 [ 82.615017][ T5685] path_mount+0x5bc/0x1008 [ 82.615776][ T5685] __arm64_sys_mount+0x514/0x5f0 [ 82.616626][ T5685] invoke_syscall+0x98/0x2b0 [ 82.617433][ T5685] el0_svc_common+0x138/0x258 [ 82.618227][ T5685] do_el0_svc+0x58/0x13c [ 82.618980][ T5685] el0_svc+0x78/0x1d0 [ 82.619673][ T5685] el0t_64_sync_handler+0xcc/0xe4 [ 82.620578][ T5685] el0t_64_sync+0x1a0/0x1a4 [ 82.621341][ T5681] CPU: 1 PID: 5681 Comm: syz.3.69 Not tainted syzkaller #0 [ 82.622589][ T5681] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.624145][ T5681] Call trace: [ 82.624613][ T5681] dump_backtrace+0x0/0x458 [ 82.625255][ T5681] show_stack+0x2c/0x3c [ 82.625881][ T5681] __dump_stack+0x30/0x40 [ 82.626652][ T5681] dump_stack_lvl+0xf4/0x15c [ 82.627436][ T5681] dump_stack+0x1c/0x5c [ 82.628160][ T5681] sysfs_create_dir_ns+0x244/0x264 [ 82.629033][ T5681] kobject_add_internal+0x5ac/0xc3c [ 82.629943][ T5681] kobject_init_and_add+0x124/0x190 [ 82.630867][ T5681] gfs2_sys_fs_add+0x200/0x41c [ 82.631732][ T5681] gfs2_fill_super+0xddc/0x1a18 [ 82.632531][ T5681] get_tree_bdev+0x358/0x544 [ 82.633295][ T5681] gfs2_get_tree+0x54/0x1b4 [ 82.634037][ T5681] vfs_get_tree+0x90/0x274 [ 82.634788][ T5681] do_new_mount+0x228/0x810 [ 82.635557][ T5681] path_mount+0x5bc/0x1008 [ 82.636287][ T5681] __arm64_sys_mount+0x514/0x5f0 [ 82.637068][ T5681] invoke_syscall+0x98/0x2b0 [ 82.637814][ T5681] el0_svc_common+0x138/0x258 [ 82.638561][ T5681] do_el0_svc+0x58/0x13c [ 82.639331][ T5681] el0_svc+0x78/0x1d0 [ 82.639987][ T5681] el0t_64_sync_handler+0xcc/0xe4 [ 82.640868][ T5681] el0t_64_sync+0x1a0/0x1a4 [ 82.643046][ T5683] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.644265][ T5683] CPU: 1 PID: 5683 Comm: syz.2.70 Not tainted syzkaller #0 [ 82.645506][ T5683] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.647194][ T5683] Call trace: [ 82.647748][ T5683] dump_backtrace+0x0/0x458 [ 82.648450][ T5683] show_stack+0x2c/0x3c [ 82.649182][ T5683] __dump_stack+0x30/0x40 [ 82.649897][ T5683] dump_stack_lvl+0xf4/0x15c [ 82.650658][ T5683] dump_stack+0x1c/0x5c [ 82.651363][ T5683] sysfs_create_dir_ns+0x244/0x264 [ 82.652223][ T5683] kobject_add_internal+0x5ac/0xc3c [ 82.653094][ T5683] kobject_init_and_add+0x124/0x190 [ 82.653972][ T5683] gfs2_sys_fs_add+0x200/0x41c [ 82.654768][ T5683] gfs2_fill_super+0xddc/0x1a18 [ 82.655607][ T5683] get_tree_bdev+0x358/0x544 [ 82.656431][ T5683] gfs2_get_tree+0x54/0x1b4 [ 82.657174][ T5683] vfs_get_tree+0x90/0x274 [ 82.657923][ T5683] do_new_mount+0x228/0x810 [ 82.658648][ T5683] path_mount+0x5bc/0x1008 [ 82.659407][ T5683] __arm64_sys_mount+0x514/0x5f0 [ 82.660259][ T5683] invoke_syscall+0x98/0x2b0 [ 82.661002][ T5683] el0_svc_common+0x138/0x258 [ 82.661818][ T5683] do_el0_svc+0x58/0x13c [ 82.662512][ T5683] el0_svc+0x78/0x1d0 [ 82.663201][ T5683] el0t_64_sync_handler+0xcc/0xe4 [ 82.664033][ T5683] el0t_64_sync+0x1a0/0x1a4 [ 82.665414][ T5685] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.673934][ T5685] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.687331][ T5683] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.689398][ T5683] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.691924][ T5681] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.694221][ T5681] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.786474][ T5687] set_capacity_and_notify: 47 callbacks suppressed [ 82.786485][ T5687] loop0: detected capacity change from 0 to 32768 [ 82.820264][ T5687] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.821563][ T5687] CPU: 1 PID: 5687 Comm: syz.0.72 Not tainted syzkaller #0 [ 82.822693][ T5687] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.824325][ T5687] Call trace: [ 82.824885][ T5687] dump_backtrace+0x0/0x458 [ 82.825655][ T5687] show_stack+0x2c/0x3c [ 82.826354][ T5687] __dump_stack+0x30/0x40 [ 82.827134][ T5687] dump_stack_lvl+0xf4/0x15c [ 82.827893][ T5687] dump_stack+0x1c/0x5c [ 82.828574][ T5687] sysfs_create_dir_ns+0x244/0x264 [ 82.829416][ T5687] kobject_add_internal+0x5ac/0xc3c [ 82.830287][ T5687] kobject_init_and_add+0x124/0x190 [ 82.831188][ T5687] gfs2_sys_fs_add+0x200/0x41c [ 82.832021][ T5687] gfs2_fill_super+0xddc/0x1a18 [ 82.832848][ T5687] get_tree_bdev+0x358/0x544 [ 82.833602][ T5687] gfs2_get_tree+0x54/0x1b4 [ 82.834400][ T5687] vfs_get_tree+0x90/0x274 [ 82.835190][ T5687] do_new_mount+0x228/0x810 [ 82.836000][ T5687] path_mount+0x5bc/0x1008 [ 82.836749][ T5687] __arm64_sys_mount+0x514/0x5f0 [ 82.837621][ T5687] invoke_syscall+0x98/0x2b0 [ 82.838418][ T5687] el0_svc_common+0x138/0x258 [ 82.839227][ T5687] do_el0_svc+0x58/0x13c [ 82.839929][ T5687] el0_svc+0x78/0x1d0 [ 82.840569][ T5687] el0t_64_sync_handler+0xcc/0xe4 [ 82.841382][ T5687] el0t_64_sync+0x1a0/0x1a4 [ 82.877382][ T5687] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.879688][ T5687] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.930373][ T5691] loop4: detected capacity change from 0 to 32768 [ 82.958108][ T5693] loop3: detected capacity change from 0 to 32768 [ 82.960251][ T5690] loop2: detected capacity change from 0 to 32768 [ 82.987496][ T5691] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.988781][ T5691] CPU: 0 PID: 5691 Comm: syz.4.73 Not tainted syzkaller #0 [ 82.990014][ T5691] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.991744][ T5691] Call trace: [ 82.992360][ T5691] dump_backtrace+0x0/0x458 [ 82.993134][ T5691] show_stack+0x2c/0x3c [ 82.993827][ T5691] __dump_stack+0x30/0x40 [ 82.994577][ T5691] dump_stack_lvl+0xf4/0x15c [ 82.995426][ T5691] dump_stack+0x1c/0x5c [ 82.996132][ T5691] sysfs_create_dir_ns+0x244/0x264 [ 82.997019][ T5691] kobject_add_internal+0x5ac/0xc3c [ 82.997926][ T5691] kobject_init_and_add+0x124/0x190 [ 82.998821][ T5691] gfs2_sys_fs_add+0x200/0x41c [ 82.999605][ T5691] gfs2_fill_super+0xddc/0x1a18 [ 83.000058][ T5690] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.000386][ T5691] get_tree_bdev+0x358/0x544 [ 83.002406][ T5691] gfs2_get_tree+0x54/0x1b4 [ 83.003225][ T5691] vfs_get_tree+0x90/0x274 [ 83.004017][ T5691] do_new_mount+0x228/0x810 [ 83.004830][ T5691] path_mount+0x5bc/0x1008 [ 83.005623][ T5691] __arm64_sys_mount+0x514/0x5f0 [ 83.006481][ T5691] invoke_syscall+0x98/0x2b0 [ 83.007231][ T5691] el0_svc_common+0x138/0x258 [ 83.008099][ T5691] do_el0_svc+0x58/0x13c [ 83.008360][ T5693] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.008810][ T5691] el0_svc+0x78/0x1d0 [ 83.010696][ T5691] el0t_64_sync_handler+0xcc/0xe4 [ 83.011616][ T5691] el0t_64_sync+0x1a0/0x1a4 [ 83.012389][ T5693] CPU: 1 PID: 5693 Comm: syz.3.75 Not tainted syzkaller #0 [ 83.013530][ T5693] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.015221][ T5693] Call trace: [ 83.015756][ T5693] dump_backtrace+0x0/0x458 [ 83.016506][ T5693] show_stack+0x2c/0x3c [ 83.017170][ T5693] __dump_stack+0x30/0x40 [ 83.017886][ T5693] dump_stack_lvl+0xf4/0x15c [ 83.018653][ T5693] dump_stack+0x1c/0x5c [ 83.019341][ T5693] sysfs_create_dir_ns+0x244/0x264 [ 83.020182][ T5693] kobject_add_internal+0x5ac/0xc3c [ 83.021009][ T5693] kobject_init_and_add+0x124/0x190 [ 83.021869][ T5693] gfs2_sys_fs_add+0x200/0x41c [ 83.022633][ T5693] gfs2_fill_super+0xddc/0x1a18 [ 83.023439][ T5693] get_tree_bdev+0x358/0x544 [ 83.024181][ T5693] gfs2_get_tree+0x54/0x1b4 [ 83.024875][ T5693] vfs_get_tree+0x90/0x274 [ 83.025636][ T5693] do_new_mount+0x228/0x810 [ 83.026392][ T5693] path_mount+0x5bc/0x1008 [ 83.027108][ T5693] __arm64_sys_mount+0x514/0x5f0 [ 83.027905][ T5693] invoke_syscall+0x98/0x2b0 [ 83.028645][ T5693] el0_svc_common+0x138/0x258 [ 83.029418][ T5693] do_el0_svc+0x58/0x13c [ 83.030196][ T5693] el0_svc+0x78/0x1d0 [ 83.030877][ T5693] el0t_64_sync_handler+0xcc/0xe4 [ 83.031697][ T5693] el0t_64_sync+0x1a0/0x1a4 [ 83.032886][ T5691] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.035112][ T5691] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.038557][ T5690] CPU: 0 PID: 5690 Comm: syz.2.74 Not tainted syzkaller #0 [ 83.039785][ T5690] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.041423][ T5690] Call trace: [ 83.041964][ T5690] dump_backtrace+0x0/0x458 [ 83.042708][ T5690] show_stack+0x2c/0x3c [ 83.043412][ T5690] __dump_stack+0x30/0x40 [ 83.044157][ T5690] dump_stack_lvl+0xf4/0x15c [ 83.044946][ T5690] dump_stack+0x1c/0x5c [ 83.045685][ T5690] sysfs_create_dir_ns+0x244/0x264 [ 83.046504][ T5690] kobject_add_internal+0x5ac/0xc3c [ 83.047384][ T5690] kobject_init_and_add+0x124/0x190 [ 83.048277][ T5690] gfs2_sys_fs_add+0x200/0x41c [ 83.049099][ T5690] gfs2_fill_super+0xddc/0x1a18 [ 83.049893][ T5690] get_tree_bdev+0x358/0x544 [ 83.050661][ T5690] gfs2_get_tree+0x54/0x1b4 [ 83.051541][ T5690] vfs_get_tree+0x90/0x274 [ 83.052270][ T5690] do_new_mount+0x228/0x810 [ 83.053029][ T5690] path_mount+0x5bc/0x1008 [ 83.053773][ T5690] __arm64_sys_mount+0x514/0x5f0 [ 83.054608][ T5690] invoke_syscall+0x98/0x2b0 [ 83.055369][ T5690] el0_svc_common+0x138/0x258 [ 83.056183][ T5690] do_el0_svc+0x58/0x13c [ 83.056950][ T5690] el0_svc+0x78/0x1d0 [ 83.057329][ T5693] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.057596][ T5690] el0t_64_sync_handler+0xcc/0xe4 [ 83.059697][ T5693] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.060517][ T5690] el0t_64_sync+0x1a0/0x1a4 [ 83.097369][ T5690] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.099593][ T5690] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.106456][ T5695] loop0: detected capacity change from 0 to 32768 [ 83.124204][ T5695] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.125435][ T5695] CPU: 1 PID: 5695 Comm: syz.0.76 Not tainted syzkaller #0 [ 83.126651][ T5695] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.128337][ T5695] Call trace: [ 83.128883][ T5695] dump_backtrace+0x0/0x458 [ 83.129712][ T5695] show_stack+0x2c/0x3c [ 83.130428][ T5695] __dump_stack+0x30/0x40 [ 83.131154][ T5695] dump_stack_lvl+0xf4/0x15c [ 83.131924][ T5695] dump_stack+0x1c/0x5c [ 83.132613][ T5695] sysfs_create_dir_ns+0x244/0x264 [ 83.133462][ T5695] kobject_add_internal+0x5ac/0xc3c [ 83.134340][ T5695] kobject_init_and_add+0x124/0x190 [ 83.135282][ T5695] gfs2_sys_fs_add+0x200/0x41c [ 83.136073][ T5695] gfs2_fill_super+0xddc/0x1a18 [ 83.136903][ T5695] get_tree_bdev+0x358/0x544 [ 83.137727][ T5695] gfs2_get_tree+0x54/0x1b4 [ 83.138440][ T5695] vfs_get_tree+0x90/0x274 [ 83.139177][ T5695] do_new_mount+0x228/0x810 [ 83.139994][ T5695] path_mount+0x5bc/0x1008 [ 83.140764][ T5695] __arm64_sys_mount+0x514/0x5f0 [ 83.141619][ T5695] invoke_syscall+0x98/0x2b0 [ 83.142440][ T5695] el0_svc_common+0x138/0x258 [ 83.143197][ T5695] do_el0_svc+0x58/0x13c [ 83.143883][ T5695] el0_svc+0x78/0x1d0 [ 83.144568][ T5695] el0t_64_sync_handler+0xcc/0xe4 [ 83.145385][ T5695] el0t_64_sync+0x1a0/0x1a4 [ 83.189163][ T5695] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.191220][ T5695] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.298636][ T5691] loop4: detected capacity change from 0 to 32768 [ 83.314448][ T5693] loop3: detected capacity change from 0 to 32768 [ 83.323497][ T5690] loop2: detected capacity change from 0 to 32768 [ 83.338006][ T5693] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.338008][ T5691] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.339279][ T5693] CPU: 1 PID: 5693 Comm: syz.3.75 Not tainted syzkaller #0 [ 83.341680][ T5693] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.343395][ T5693] Call trace: [ 83.343922][ T5693] dump_backtrace+0x0/0x458 [ 83.344638][ T5693] show_stack+0x2c/0x3c [ 83.345260][ T5693] __dump_stack+0x30/0x40 [ 83.345895][ T5693] dump_stack_lvl+0xf4/0x15c [ 83.346606][ T5693] dump_stack+0x1c/0x5c [ 83.347265][ T5693] sysfs_create_dir_ns+0x244/0x264 [ 83.348107][ T5693] kobject_add_internal+0x5ac/0xc3c [ 83.348968][ T5693] kobject_init_and_add+0x124/0x190 [ 83.349828][ T5693] gfs2_sys_fs_add+0x200/0x41c [ 83.350681][ T5693] gfs2_fill_super+0xddc/0x1a18 [ 83.351543][ T5693] get_tree_bdev+0x358/0x544 [ 83.352291][ T5693] gfs2_get_tree+0x54/0x1b4 [ 83.353016][ T5693] vfs_get_tree+0x90/0x274 [ 83.353712][ T5693] do_new_mount+0x228/0x810 [ 83.354409][ T5693] path_mount+0x5bc/0x1008 [ 83.355123][ T5693] __arm64_sys_mount+0x514/0x5f0 [ 83.355974][ T5693] invoke_syscall+0x98/0x2b0 [ 83.356691][ T5693] el0_svc_common+0x138/0x258 [ 83.357417][ T5693] do_el0_svc+0x58/0x13c [ 83.358153][ T5693] el0_svc+0x78/0x1d0 [ 83.358808][ T5693] el0t_64_sync_handler+0xcc/0xe4 [ 83.359699][ T5693] el0t_64_sync+0x1a0/0x1a4 [ 83.360483][ T5691] CPU: 0 PID: 5691 Comm: syz.4.73 Not tainted syzkaller #0 [ 83.361715][ T5691] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.363392][ T5691] Call trace: [ 83.363907][ T5691] dump_backtrace+0x0/0x458 [ 83.364629][ T5691] show_stack+0x2c/0x3c [ 83.365297][ T5691] __dump_stack+0x30/0x40 [ 83.366016][ T5691] dump_stack_lvl+0xf4/0x15c [ 83.366736][ T5691] dump_stack+0x1c/0x5c [ 83.367485][ T5691] sysfs_create_dir_ns+0x244/0x264 [ 83.368290][ T5691] kobject_add_internal+0x5ac/0xc3c [ 83.369163][ T5691] kobject_init_and_add+0x124/0x190 [ 83.370024][ T5691] gfs2_sys_fs_add+0x200/0x41c [ 83.370815][ T5691] gfs2_fill_super+0xddc/0x1a18 [ 83.371623][ T5691] get_tree_bdev+0x358/0x544 [ 83.372350][ T5691] gfs2_get_tree+0x54/0x1b4 [ 83.373066][ T5691] vfs_get_tree+0x90/0x274 [ 83.373738][ T5691] do_new_mount+0x228/0x810 [ 83.374460][ T5691] path_mount+0x5bc/0x1008 [ 83.375186][ T5691] __arm64_sys_mount+0x514/0x5f0 [ 83.376013][ T5691] invoke_syscall+0x98/0x2b0 [ 83.376788][ T5691] el0_svc_common+0x138/0x258 [ 83.377637][ T5691] do_el0_svc+0x58/0x13c [ 83.378331][ T5691] el0_svc+0x78/0x1d0 [ 83.379037][ T5691] el0t_64_sync_handler+0xcc/0xe4 [ 83.379806][ T5691] el0t_64_sync+0x1a0/0x1a4 [ 83.381327][ T5690] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.382479][ T5690] CPU: 0 PID: 5690 Comm: syz.2.74 Not tainted syzkaller #0 [ 83.383721][ T5690] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.385379][ T5690] Call trace: [ 83.385897][ T5690] dump_backtrace+0x0/0x458 [ 83.386658][ T5690] show_stack+0x2c/0x3c [ 83.387379][ T5690] __dump_stack+0x30/0x40 [ 83.388113][ T5690] dump_stack_lvl+0xf4/0x15c [ 83.388903][ T5690] dump_stack+0x1c/0x5c [ 83.389612][ T5690] sysfs_create_dir_ns+0x244/0x264 [ 83.390556][ T5690] kobject_add_internal+0x5ac/0xc3c [ 83.391513][ T5690] kobject_init_and_add+0x124/0x190 [ 83.392451][ T5690] gfs2_sys_fs_add+0x200/0x41c [ 83.393360][ T5690] gfs2_fill_super+0xddc/0x1a18 [ 83.394192][ T5690] get_tree_bdev+0x358/0x544 [ 83.394970][ T5690] gfs2_get_tree+0x54/0x1b4 [ 83.395703][ T5690] vfs_get_tree+0x90/0x274 [ 83.396450][ T5690] do_new_mount+0x228/0x810 [ 83.397120][ T5690] path_mount+0x5bc/0x1008 [ 83.397860][ T5690] __arm64_sys_mount+0x514/0x5f0 [ 83.398721][ T5690] invoke_syscall+0x98/0x2b0 [ 83.399559][ T5690] el0_svc_common+0x138/0x258 [ 83.400271][ T5690] do_el0_svc+0x58/0x13c [ 83.400905][ T5690] el0_svc+0x78/0x1d0 [ 83.401602][ T5690] el0t_64_sync_handler+0xcc/0xe4 [ 83.402468][ T5690] el0t_64_sync+0x1a0/0x1a4 [ 83.403562][ T5693] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.405658][ T5693] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.419454][ T5690] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.421671][ T5690] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.422730][ T5695] loop0: detected capacity change from 0 to 32768 [ 83.426071][ T5691] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.433259][ T5691] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.459740][ T5695] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.460960][ T5695] CPU: 1 PID: 5695 Comm: syz.0.76 Not tainted syzkaller #0 [ 83.462181][ T5695] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.463939][ T5695] Call trace: [ 83.464466][ T5695] dump_backtrace+0x0/0x458 [ 83.465240][ T5695] show_stack+0x2c/0x3c [ 83.465928][ T5695] __dump_stack+0x30/0x40 [ 83.466658][ T5695] dump_stack_lvl+0xf4/0x15c [ 83.467415][ T5695] dump_stack+0x1c/0x5c [ 83.468122][ T5695] sysfs_create_dir_ns+0x244/0x264 [ 83.468976][ T5695] kobject_add_internal+0x5ac/0xc3c [ 83.469900][ T5695] kobject_init_and_add+0x124/0x190 [ 83.470818][ T5695] gfs2_sys_fs_add+0x200/0x41c [ 83.471644][ T5695] gfs2_fill_super+0xddc/0x1a18 [ 83.472473][ T5695] get_tree_bdev+0x358/0x544 [ 83.473290][ T5695] gfs2_get_tree+0x54/0x1b4 [ 83.474038][ T5695] vfs_get_tree+0x90/0x274 [ 83.474816][ T5695] do_new_mount+0x228/0x810 [ 83.475599][ T5695] path_mount+0x5bc/0x1008 [ 83.476368][ T5695] __arm64_sys_mount+0x514/0x5f0 [ 83.477191][ T5695] invoke_syscall+0x98/0x2b0 [ 83.477864][ T5695] el0_svc_common+0x138/0x258 [ 83.478624][ T5695] do_el0_svc+0x58/0x13c [ 83.479303][ T5695] el0_svc+0x78/0x1d0 [ 83.479951][ T5695] el0t_64_sync_handler+0xcc/0xe4 [ 83.480757][ T5695] el0t_64_sync+0x1a0/0x1a4 [ 83.547316][ T5695] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.549429][ T5695] gfs2: fsid=syz:syz: error -17 adding sysfs files