Warning: Permanently added '10.128.0.28' (ED25519) to the list of known hosts. 1970/01/01 00:00:59 parsed 1 programs [ 60.815587][ T4652] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 63.558859][ T4717] chnl_net:caif_netlink_parms(): no params data found [ 63.625378][ T4717] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.626640][ T4717] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.628406][ T4717] device bridge_slave_0 entered promiscuous mode [ 63.647572][ T4717] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.648748][ T4717] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.650712][ T4717] device bridge_slave_1 entered promiscuous mode [ 63.665325][ T4717] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.674748][ T4717] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.700596][ T4717] team0: Port device team_slave_0 added [ 63.702522][ T4717] team0: Port device team_slave_1 added [ 63.727280][ T4717] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 63.728382][ T4717] 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. [ 63.757445][ T4717] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 63.785429][ T4717] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 63.786650][ T4717] 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. [ 63.790871][ T4717] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 63.876891][ T4717] device hsr_slave_0 entered promiscuous mode [ 63.915363][ T4717] device hsr_slave_1 entered promiscuous mode [ 63.974637][ T576] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 63.975932][ T576] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 63.984059][ T576] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 64.024325][ T576] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.025927][ T576] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.027241][ T576] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 64.099986][ T4717] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 64.157406][ T4717] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 64.196903][ T4717] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 64.236447][ T4717] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 64.330920][ T4717] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.336450][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.339584][ T4717] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.343193][ T576] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.344669][ T576] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.345903][ T576] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.348612][ T576] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.351955][ T576] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.353400][ T576] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.354517][ T576] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.362969][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.364710][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.370108][ T576] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.373797][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.379334][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.382045][ T4717] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.424952][ T4717] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.427123][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 64.428382][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 64.484339][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 64.486185][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 64.492861][ T4717] device veth0_vlan entered promiscuous mode [ 64.495220][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 64.496788][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 64.498559][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 64.499901][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 64.502274][ T4717] device veth1_vlan entered promiscuous mode [ 64.509762][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 64.511288][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 64.512701][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 64.514191][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 64.519496][ T4717] device veth0_macvtap entered promiscuous mode [ 64.521901][ T4717] device veth1_macvtap entered promiscuous mode [ 64.527901][ T4717] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 64.529104][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 64.530721][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 64.532228][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 64.533821][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 64.536894][ T4717] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 64.538357][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 64.539860][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 64.542291][ T4717] netdevsim netdevsim4 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.543618][ T4717] netdevsim netdevsim4 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.545085][ T4717] netdevsim netdevsim4 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.547042][ T4717] netdevsim netdevsim4 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:01:04 executed programs: 0 [ 64.794669][ T4793] chnl_net:caif_netlink_parms(): no params data found [ 64.833017][ T4793] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.834133][ T4793] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.836963][ T4793] device bridge_slave_0 entered promiscuous mode [ 64.852369][ T4793] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.853483][ T4793] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.856362][ T4793] device bridge_slave_1 entered promiscuous mode [ 64.857690][ T4797] chnl_net:caif_netlink_parms(): no params data found [ 64.868119][ T4793] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.871749][ T4793] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.874614][ T4800] chnl_net:caif_netlink_parms(): no params data found [ 64.893610][ T4793] team0: Port device team_slave_0 added [ 64.906304][ T4793] team0: Port device team_slave_1 added [ 64.922658][ T4804] chnl_net:caif_netlink_parms(): no params data found [ 64.941927][ T4793] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 64.943098][ T4793] 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. [ 64.948509][ T4793] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 64.976302][ T4793] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 64.977427][ T4793] 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. [ 64.981551][ T4793] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 64.983660][ T4800] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.984689][ T4800] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.986696][ T4800] device bridge_slave_0 entered promiscuous mode [ 64.989585][ T4797] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.990742][ T4797] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.992346][ T4797] device bridge_slave_0 entered promiscuous mode [ 65.009616][ T4800] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.010747][ T4800] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.012674][ T4800] device bridge_slave_1 entered promiscuous mode [ 65.014249][ T4797] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.015997][ T4797] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.017499][ T4797] device bridge_slave_1 entered promiscuous mode [ 65.024564][ T4804] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.027729][ T4804] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.029337][ T4804] device bridge_slave_0 entered promiscuous mode [ 65.043528][ T4804] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.044687][ T4804] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.048144][ T4804] device bridge_slave_1 entered promiscuous mode [ 65.050691][ T4800] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.053309][ T4800] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.106546][ T4793] device hsr_slave_0 entered promiscuous mode [ 65.145600][ T4793] device hsr_slave_1 entered promiscuous mode [ 65.205180][ T4793] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.206337][ T4793] Cannot create hsr debugfs directory [ 65.217525][ T4797] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.219853][ T4800] team0: Port device team_slave_0 added [ 65.223490][ T4800] team0: Port device team_slave_1 added [ 65.229555][ T4804] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.232177][ T4804] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.234620][ T4797] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.243967][ T4806] chnl_net:caif_netlink_parms(): no params data found [ 65.253693][ T4797] team0: Port device team_slave_0 added [ 65.263790][ T4797] team0: Port device team_slave_1 added [ 65.265081][ T4800] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 65.266571][ T4800] 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. [ 65.270727][ T4800] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 65.274539][ T4800] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 65.276141][ T4800] 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. [ 65.280312][ T4800] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 65.286370][ T4804] team0: Port device team_slave_0 added [ 65.306269][ T4804] team0: Port device team_slave_1 added [ 65.324505][ T4797] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 65.325756][ T4797] 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. [ 65.329591][ T4797] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 65.333053][ T4806] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.334227][ T4806] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.335945][ T4806] device bridge_slave_0 entered promiscuous mode [ 65.366859][ T4800] device hsr_slave_0 entered promiscuous mode [ 65.405351][ T4800] device hsr_slave_1 entered promiscuous mode [ 65.445184][ T4800] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.446337][ T4800] Cannot create hsr debugfs directory [ 65.450625][ T4797] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 65.451795][ T4797] 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. [ 65.458972][ T4797] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 65.462383][ T4806] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.463445][ T4806] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.464940][ T4806] device bridge_slave_1 entered promiscuous mode [ 65.471537][ T4804] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 65.472543][ T4804] 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. [ 65.477434][ T4804] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 65.496483][ T4804] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 65.497633][ T4804] 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. [ 65.501729][ T4804] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 65.506945][ T4806] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.520537][ T4806] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.576500][ T4797] device hsr_slave_0 entered promiscuous mode [ 65.615421][ T4797] device hsr_slave_1 entered promiscuous mode [ 65.655257][ T4797] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.656444][ T4797] Cannot create hsr debugfs directory [ 65.726493][ T4804] device hsr_slave_0 entered promiscuous mode [ 65.765416][ T4804] device hsr_slave_1 entered promiscuous mode [ 65.805217][ T4804] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.806408][ T4804] Cannot create hsr debugfs directory [ 65.808729][ T4806] team0: Port device team_slave_0 added [ 65.824354][ T4806] team0: Port device team_slave_1 added [ 65.868970][ T4806] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 65.870134][ T4806] 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. [ 65.874322][ T4806] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 65.893609][ T4806] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 65.894747][ T4806] 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. [ 65.902824][ T4806] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 65.986443][ T4806] device hsr_slave_0 entered promiscuous mode [ 66.035381][ T4806] device hsr_slave_1 entered promiscuous mode [ 66.075243][ T4806] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.076439][ T4806] Cannot create hsr debugfs directory [ 66.496232][ T4800] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 66.532755][ T4800] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 66.587667][ T4800] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 66.616914][ T4800] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 66.665930][ T4145] Bluetooth: hci1: command 0x0409 tx timeout [ 66.667342][ T4145] Bluetooth: hci0: command 0x0409 tx timeout [ 66.689901][ T4800] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.695061][ T4800] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.699033][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.700582][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.704794][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.706958][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.708398][ T346] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.709597][ T346] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.711782][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.736492][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.738184][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.739704][ T1643] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.740807][ T1643] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.742249][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.745936][ T4142] Bluetooth: hci4: command 0x0409 tx timeout [ 66.747673][ T4142] Bluetooth: hci3: command 0x0409 tx timeout [ 66.748794][ T4142] Bluetooth: hci2: command 0x0409 tx timeout [ 66.754144][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.756537][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.758698][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.760290][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.761943][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.765946][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.768375][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.771112][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.772525][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.774066][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.777650][ T4800] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.860009][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.861272][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.864957][ T4800] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.873499][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 66.875068][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 66.883096][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 66.884679][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 66.891298][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 66.892958][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 66.897034][ T4800] device veth0_vlan entered promiscuous mode [ 66.900783][ T4800] device veth1_vlan entered promiscuous mode [ 66.909994][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 66.911665][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 66.913209][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 66.914651][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 66.923281][ T4800] device veth0_macvtap entered promiscuous mode [ 66.927099][ T4800] device veth1_macvtap entered promiscuous mode [ 66.931969][ T4800] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 66.933581][ T4800] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 66.936249][ T4800] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 66.937501][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 66.939140][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 66.940606][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 66.942154][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 66.944941][ T4800] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 66.947731][ T4800] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 66.950020][ T4800] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 66.951479][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 66.953077][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 66.956463][ T4800] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.957888][ T4800] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.959358][ T4800] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.960912][ T4800] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.008796][ T1643] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.010151][ T1643] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 67.011539][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 67.019602][ T1643] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.020806][ T1643] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 67.022074][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 67.188378][ T4806] netdevsim netdevsim4 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 67.193782][ T4797] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 67.214582][ T4959] loop2: detected capacity change from 0 to 32768 [ 67.223935][ T4959] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 67.226231][ T4959] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 67.236549][ T4797] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 67.251612][ T4959] gfs2: fsid=syz:syz.s: journal 0 mapped with 1 extents in 0ms [ 67.272280][ T4959] gfs2: fsid=syz:syz.s: first mount done, others may mount [ 67.276667][ T4797] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 67.310890][ T4797] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 67.372901][ T4797] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.387977][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.389531][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.392423][ T4797] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.394959][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.396626][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.398090][ T148] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.399194][ T148] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.400843][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.407023][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.408491][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.409983][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.411083][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.413697][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.429687][ T4797] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 67.431353][ T4797] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 67.440780][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.442567][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.444130][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.446467][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.448599][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.450286][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.456078][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.470983][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.472538][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.475684][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.477157][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.521723][ T4797] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.526677][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 67.527993][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 67.554771][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 67.557809][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 67.584425][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 67.586142][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 67.587853][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 67.589377][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 67.594603][ T4797] device veth0_vlan entered promiscuous mode [ 67.600019][ T4797] device veth1_vlan entered promiscuous mode [ 67.638057][ T4797] device veth0_macvtap entered promiscuous mode [ 67.639837][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 67.641428][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 67.642860][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 67.644540][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 67.647328][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 67.663053][ T4797] device veth1_macvtap entered promiscuous mode [ 67.670066][ T4797] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 67.671782][ T4797] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 67.685861][ T4797] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 67.687496][ T4797] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 67.690490][ T4797] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 67.691776][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 67.693474][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 67.695090][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 67.707807][ T4797] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 67.709675][ T4797] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 67.711189][ T4797] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 67.713093][ T4797] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 67.725540][ T4797] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 67.727134][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 67.729265][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 67.732584][ T4797] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.733849][ T4797] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.735583][ T4797] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.737124][ T4797] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.778259][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.779616][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 67.780922][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 67.790789][ T5001] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.792026][ T5001] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 67.793400][ T5001] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 67.919985][ T5005] loop2: detected capacity change from 0 to 32768 [ 67.952774][ T5005] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 67.954320][ T5005] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 67.974496][ T5005] gfs2: fsid=syz:syz.s: journal 0 mapped with 1 extents in 0ms [ 68.010545][ T5005] gfs2: fsid=syz:syz.s: first mount done, others may mount [ 68.088176][ T5017] loop1: detected capacity change from 0 to 32768 [ 68.170146][ T5017] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 68.171334][ T5017] CPU: 0 PID: 5017 Comm: syz.1.16 Not tainted syzkaller #0 [ 68.172497][ T5017] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 68.174226][ T5017] Call trace: [ 68.174760][ T5017] dump_backtrace+0x0/0x458 [ 68.175522][ T5017] show_stack+0x2c/0x3c [ 68.176279][ T5017] __dump_stack+0x30/0x40 [ 68.177000][ T5017] dump_stack_lvl+0xf4/0x15c [ 68.177740][ T5017] dump_stack+0x1c/0x5c [ 68.178431][ T5017] sysfs_create_dir_ns+0x244/0x264 [ 68.179333][ T5017] kobject_add_internal+0x5ac/0xc3c [ 68.180188][ T5017] kobject_init_and_add+0x124/0x190 [ 68.181047][ T5017] gfs2_sys_fs_add+0x200/0x41c [ 68.181883][ T5017] gfs2_fill_super+0xddc/0x1a18 [ 68.182778][ T5017] get_tree_bdev+0x358/0x544 [ 68.183530][ T5017] gfs2_get_tree+0x54/0x1b4 [ 68.184302][ T5017] vfs_get_tree+0x90/0x274 [ 68.185053][ T5017] do_new_mount+0x228/0x810 [ 68.185740][ T5017] path_mount+0x5bc/0x1008 [ 68.186394][ T5017] __arm64_sys_mount+0x514/0x5f0 [ 68.187099][ T5017] invoke_syscall+0x98/0x2b0 [ 68.187741][ T5017] el0_svc_common+0x138/0x258 [ 68.188461][ T5017] do_el0_svc+0x58/0x13c [ 68.189105][ T5017] el0_svc+0x78/0x1d0 [ 68.189704][ T5017] el0t_64_sync_handler+0xcc/0xe4 [ 68.190478][ T5017] el0t_64_sync+0x1a0/0x1a4 [ 68.217817][ T5017] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 68.219982][ T5017] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 68.522149][ T5017] loop1: detected capacity change from 0 to 32768 [ 68.529781][ T5049] loop2: detected capacity change from 0 to 32768 [ 68.566720][ T5017] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 68.568152][ T5017] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 68.571954][ T5049] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 68.573092][ T5049] CPU: 1 PID: 5049 Comm: syz.2.21 Not tainted syzkaller #0 [ 68.574200][ T5049] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 68.575755][ T5049] Call trace: [ 68.576289][ T5049] dump_backtrace+0x0/0x458 [ 68.577015][ T5049] show_stack+0x2c/0x3c [ 68.577750][ T5049] __dump_stack+0x30/0x40 [ 68.578420][ T5049] dump_stack_lvl+0xf4/0x15c [ 68.579201][ T5049] dump_stack+0x1c/0x5c [ 68.579845][ T5049] sysfs_create_dir_ns+0x244/0x264 [ 68.580654][ T5049] kobject_add_internal+0x5ac/0xc3c [ 68.581475][ T5049] kobject_init_and_add+0x124/0x190 [ 68.582437][ T5049] gfs2_sys_fs_add+0x200/0x41c [ 68.583231][ T5049] gfs2_fill_super+0xddc/0x1a18 [ 68.583998][ T5049] get_tree_bdev+0x358/0x544 [ 68.584705][ T5049] gfs2_get_tree+0x54/0x1b4 [ 68.585430][ T5049] vfs_get_tree+0x90/0x274 [ 68.586194][ T5049] do_new_mount+0x228/0x810 [ 68.586966][ T5049] path_mount+0x5bc/0x1008 [ 68.587680][ T5049] __arm64_sys_mount+0x514/0x5f0 [ 68.588494][ T5049] invoke_syscall+0x98/0x2b0 [ 68.589216][ T5049] el0_svc_common+0x138/0x258 [ 68.589966][ T5049] do_el0_svc+0x58/0x13c [ 68.590614][ T5049] el0_svc+0x78/0x1d0 [ 68.591214][ T5049] el0t_64_sync_handler+0xcc/0xe4 [ 68.592064][ T5049] el0t_64_sync+0x1a0/0x1a4 [ 68.600475][ T5049] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 68.602489][ T5049] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 68.608503][ T5017] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms [ 68.611216][ T4142] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 68.612221][ T4142] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 68.662537][ T4142] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 50ms [ 68.664083][ T4142] gfs2: fsid=syz:syz.0: jid=0: Done [ 68.665308][ T5017] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 68.741543][ T5017] gfs2: fsid=syz:syz.0: can't make FS RW: -5 [ 68.746186][ T4142] Bluetooth: hci0: command 0x041b tx timeout [ 68.747420][ T4142] Bluetooth: hci1: command 0x041b tx timeout [ 68.754959][ T234] [ 68.755391][ T234] ====================================================== [ 68.756540][ T234] WARNING: possible circular locking dependency detected [ 68.757774][ T234] syzkaller #0 Not tainted [ 68.758478][ T234] ------------------------------------------------------ [ 68.759537][ T234] kworker/1:1H/234 is trying to acquire lock: [ 68.760432][ T234] ffff0000d3b6a0e0 (&type->s_umount_key#50){+.+.}-{3:3}, at: freeze_super+0x54/0x36c [ 68.761860][ T234] [ 68.761860][ T234] but task is already holding lock: [ 68.762939][ T234] ffff80001cfc7c00 ((work_completion)(&(&gl->gl_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6b8/0x1138 [ 68.764641][ T234] [ 68.764641][ T234] which lock already depends on the new lock. [ 68.764641][ T234] [ 68.766176][ T234] [ 68.766176][ T234] the existing dependency chain (in reverse order) is: [ 68.767528][ T234] [ 68.767528][ T234] -> #2 ((work_completion)(&(&gl->gl_work)->work)){+.+.}-{0:0}: [ 68.768992][ T234] process_one_work+0x6e0/0x1138 [ 68.769808][ T234] worker_thread+0x8f4/0x1034 [ 68.770610][ T234] kthread+0x374/0x454 [ 68.771357][ T234] ret_from_fork+0x10/0x20 [ 68.772171][ T234] [ 68.772171][ T234] -> #1 ((wq_completion)glock_workqueue){+.+.}-{0:0}: [ 68.773612][ T234] flush_workqueue+0x130/0x104c [ 68.774412][ T234] gfs2_gl_hash_clear+0xb0/0x2cc [ 68.775206][ T234] gfs2_put_super+0x614/0x6b4 [ 68.776075][ T234] generic_shutdown_super+0x130/0x2f0 [ 68.776994][ T234] kill_block_super+0x70/0xdc [ 68.777828][ T234] gfs2_kill_sb+0xc0/0xd4 [ 68.778597][ T234] deactivate_locked_super+0xb8/0x134 [ 68.779536][ T234] deactivate_super+0xf0/0x110 [ 68.780359][ T234] cleanup_mnt+0x3b8/0x46c [ 68.781132][ T234] __cleanup_mnt+0x20/0x30 [ 68.781894][ T234] task_work_run+0x12c/0x1d8 [ 68.782682][ T234] do_notify_resume+0x2450/0x309c [ 68.783554][ T234] el0_svc+0xf0/0x1d0 [ 68.784307][ T234] el0t_64_sync_handler+0xcc/0xe4 [ 68.785193][ T234] el0t_64_sync+0x1a0/0x1a4 [ 68.785968][ T234] [ 68.785968][ T234] -> #0 (&type->s_umount_key#50){+.+.}-{3:3}: [ 68.787179][ T234] __lock_acquire+0x2870/0x67ec [ 68.787973][ T234] lock_acquire+0x1f4/0x618 [ 68.788710][ T234] down_write+0xbc/0x12c [ 68.789468][ T234] freeze_super+0x54/0x36c [ 68.790225][ T234] freeze_go_sync+0x128/0x31c [ 68.791035][ T234] do_xmote+0x2ec/0xf58 [ 68.791783][ T234] run_queue+0x3fc/0x698 [ 68.792521][ T234] glock_work_func+0x208/0x440 [ 68.793353][ T234] process_one_work+0x79c/0x1138 [ 68.794176][ T234] worker_thread+0x8f4/0x1034 [ 68.794961][ T234] kthread+0x374/0x454 [ 68.795619][ T234] ret_from_fork+0x10/0x20 [ 68.796318][ T234] [ 68.796318][ T234] other info that might help us debug this: [ 68.796318][ T234] [ 68.797725][ T234] Chain exists of: [ 68.797725][ T234] &type->s_umount_key#50 --> (wq_completion)glock_workqueue --> (work_completion)(&(&gl->gl_work)->work) [ 68.797725][ T234] [ 68.800247][ T234] Possible unsafe locking scenario: [ 68.800247][ T234] [ 68.801443][ T234] CPU0 CPU1 [ 68.802357][ T234] ---- ---- [ 68.803239][ T234] lock((work_completion)(&(&gl->gl_work)->work)); [ 68.804303][ T234] lock((wq_completion)glock_workqueue); [ 68.805732][ T234] lock((work_completion)(&(&gl->gl_work)->work)); [ 68.807172][ T234] lock(&type->s_umount_key#50); [ 68.807936][ T234] [ 68.807936][ T234] *** DEADLOCK *** [ 68.807936][ T234] [ 68.809195][ T234] 2 locks held by kworker/1:1H/234: [ 68.810043][ T234] #0: ffff0000c68de938 ((wq_completion)glock_workqueue){+.+.}-{0:0}, at: process_one_work+0x678/0x1138 [ 68.811888][ T234] #1: ffff80001cfc7c00 ((work_completion)(&(&gl->gl_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6b8/0x1138 [ 68.813921][ T234] [ 68.813921][ T234] stack backtrace: [ 68.814885][ T234] CPU: 1 PID: 234 Comm: kworker/1:1H Not tainted syzkaller #0 [ 68.816121][ T234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 68.817743][ T234] Workqueue: glock_workqueue glock_work_func [ 68.818778][ T234] Call trace: [ 68.819322][ T234] dump_backtrace+0x0/0x458 [ 68.820039][ T234] show_stack+0x2c/0x3c [ 68.820668][ T234] __dump_stack+0x30/0x40 [ 68.821361][ T234] dump_stack_lvl+0xf4/0x15c [ 68.822126][ T234] dump_stack+0x1c/0x5c [ 68.822803][ T234] print_circular_bug+0x148/0x1b0 [ 68.823650][ T234] check_noncircular+0x264/0x2f8 [ 68.824492][ T234] __lock_acquire+0x2870/0x67ec [ 68.825304][ T234] lock_acquire+0x1f4/0x618 [ 68.826032][ T234] down_write+0xbc/0x12c [ 68.826686][ T234] freeze_super+0x54/0x36c [ 68.827423][ T234] freeze_go_sync+0x128/0x31c [ 68.828126][ T234] do_xmote+0x2ec/0xf58 [ 68.828817][ T234] run_queue+0x3fc/0x698 [ 68.829447][ T234] glock_work_func+0x208/0x440 [ 68.830191][ T234] process_one_work+0x79c/0x1138 [ 68.830904][ T234] worker_thread+0x8f4/0x1034 [ 68.831701][ T234] kthread+0x374/0x454 [ 68.832399][ T234] ret_from_fork+0x10/0x20 [ 68.838579][ T4142] Bluetooth: hci2: command 0x041b tx timeout [ 68.839636][ T4142] Bluetooth: hci3: command 0x041b tx timeout [ 68.845422][ T4142] Bluetooth: hci4: command 0x041b tx timeout [ 68.866102][ T5049] loop2: detected capacity change from 0 to 32768 [ 68.941279][ T5049] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 68.942427][ T5049] CPU: 0 PID: 5049 Comm: syz.2.21 Not tainted syzkaller #0 [ 68.943703][ T5049] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 68.945248][ T5049] Call trace: [ 68.945799][ T5049] dump_backtrace+0x0/0x458 [ 68.946561][ T5049] show_stack+0x2c/0x3c [ 68.947228][ T5049] __dump_stack+0x30/0x40 [ 68.947868][ T5049] dump_stack_lvl+0xf4/0x15c [ 68.948589][ T5049] dump_stack+0x1c/0x5c [ 68.949220][ T5049] sysfs_create_dir_ns+0x244/0x264 [ 68.950022][ T5049] kobject_add_internal+0x5ac/0xc3c [ 68.950839][ T5049] kobject_init_and_add+0x124/0x190 [ 68.951662][ T5049] gfs2_sys_fs_add+0x200/0x41c [ 68.952364][ T5049] gfs2_fill_super+0xddc/0x1a18 [ 68.953087][ T5049] get_tree_bdev+0x358/0x544 [ 68.953811][ T5049] gfs2_get_tree+0x54/0x1b4 [ 68.954540][ T5049] vfs_get_tree+0x90/0x274 [ 68.955270][ T5049] do_new_mount+0x228/0x810 [ 68.956024][ T5049] path_mount+0x5bc/0x1008 [ 68.956694][ T5049] __arm64_sys_mount+0x514/0x5f0 [ 68.957549][ T5049] invoke_syscall+0x98/0x2b0 [ 68.958192][ T5049] el0_svc_common+0x138/0x258 [ 68.958904][ T5049] do_el0_svc+0x58/0x13c [ 68.959535][ T5049] el0_svc+0x78/0x1d0 [ 68.960105][ T5049] el0t_64_sync_handler+0xcc/0xe4 [ 68.960812][ T5049] el0t_64_sync+0x1a0/0x1a4 [ 68.972371][ T5049] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 68.974416][ T5049] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 69.142209][ T5102] loop2: detected capacity change from 0 to 32768 [ 69.149355][ T5102] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 69.150948][ T5102] CPU: 1 PID: 5102 Comm: syz.2.22 Not tainted syzkaller #0 [ 69.152003][ T5102] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 69.153641][ T5102] Call trace: [ 69.154185][ T5102] dump_backtrace+0x0/0x458 [ 69.154974][ T5102] show_stack+0x2c/0x3c [ 69.155682][ T5102] __dump_stack+0x30/0x40 [ 69.156405][ T5102] dump_stack_lvl+0xf4/0x15c [ 69.157147][ T5102] dump_stack+0x1c/0x5c [ 69.157816][ T5102] sysfs_create_dir_ns+0x244/0x264 [ 69.158670][ T5102] kobject_add_internal+0x5ac/0xc3c [ 69.159504][ T5102] kobject_init_and_add+0x124/0x190 [ 69.160329][ T5102] gfs2_sys_fs_add+0x200/0x41c [ 69.161084][ T5102] gfs2_fill_super+0xddc/0x1a18 [ 69.161812][ T5102] get_tree_bdev+0x358/0x544 [ 69.162583][ T5102] gfs2_get_tree+0x54/0x1b4 [ 69.163368][ T5102] vfs_get_tree+0x90/0x274 [ 69.164076][ T5102] do_new_mount+0x228/0x810 [ 69.164821][ T5102] path_mount+0x5bc/0x1008 [ 69.165505][ T5102] __arm64_sys_mount+0x514/0x5f0 [ 69.166374][ T5102] invoke_syscall+0x98/0x2b0 [ 69.167077][ T5102] el0_svc_common+0x138/0x258 [ 69.167836][ T5102] do_el0_svc+0x58/0x13c [ 69.168520][ T5102] el0_svc+0x78/0x1d0 [ 69.169202][ T5102] el0t_64_sync_handler+0xcc/0xe4 [ 69.170033][ T5102] el0t_64_sync+0x1a0/0x1a4 [ 69.172788][ T5102] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 69.174799][ T5102] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 69.349373][ T5102] loop2: detected capacity change from 0 to 32768 [ 69.360767][ T5102] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 69.363972][ T5102] CPU: 0 PID: 5102 Comm: syz.2.22 Not tainted syzkaller #0 [ 69.365008][ T5102] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 69.366581][ T5102] Call trace: [ 69.367144][ T5102] dump_backtrace+0x0/0x458 [ 69.367925][ T5102] show_stack+0x2c/0x3c [ 69.368569][ T5102] __dump_stack+0x30/0x40 [ 69.369243][ T5102] dump_stack_lvl+0xf4/0x15c [ 69.369985][ T5102] dump_stack+0x1c/0x5c [ 69.370648][ T5102] sysfs_create_dir_ns+0x244/0x264 [ 69.371471][ T5102] kobject_add_internal+0x5ac/0xc3c [ 69.372317][ T5102] kobject_init_and_add+0x124/0x190 [ 69.373132][ T5102] gfs2_sys_fs_add+0x200/0x41c [ 69.373831][ T5102] gfs2_fill_super+0xddc/0x1a18 [ 69.374634][ T5102] get_tree_bdev+0x358/0x544 [ 69.375350][ T5102] gfs2_get_tree+0x54/0x1b4 [ 69.376105][ T5102] vfs_get_tree+0x90/0x274 [ 69.376848][ T5102] do_new_mount+0x228/0x810 [ 69.377565][ T5102] path_mount+0x5bc/0x1008 [ 69.378256][ T5102] __arm64_sys_mount+0x514/0x5f0 [ 69.379021][ T5102] invoke_syscall+0x98/0x2b0 [ 69.379713][ T5102] el0_svc_common+0x138/0x258 [ 69.380497][ T5102] do_el0_svc+0x58/0x13c [ 69.381224][ T5102] el0_svc+0x78/0x1d0 [ 69.381863][ T5102] el0t_64_sync_handler+0xcc/0xe4 [ 69.382671][ T5102] el0t_64_sync+0x1a0/0x1a4 [ 69.386366][ T5102] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 69.388389][ T5102] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 69.549249][ T5148] loop2: detected capacity change from 0 to 32768 [ 69.588724][ T5148] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 69.589946][ T5148] CPU: 1 PID: 5148 Comm: syz.2.23 Not tainted syzkaller #0 [ 69.591193][ T5148] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 69.592808][ T5148] Call trace: [ 69.593336][ T5148] dump_backtrace+0x0/0x458 [ 69.594124][ T5148] show_stack+0x2c/0x3c [ 69.594883][ T5148] __dump_stack+0x30/0x40 [ 69.595623][ T5148] dump_stack_lvl+0xf4/0x15c [ 69.596368][ T5148] dump_stack+0x1c/0x5c [ 69.597025][ T5148] sysfs_create_dir_ns+0x244/0x264 [ 69.597840][ T5148] kobject_add_internal+0x5ac/0xc3c [ 69.598711][ T5148] kobject_init_and_add+0x124/0x190 [ 69.599616][ T5148] gfs2_sys_fs_add+0x200/0x41c [ 69.600378][ T5148] gfs2_fill_super+0xddc/0x1a18 [ 69.601176][ T5148] get_tree_bdev+0x358/0x544 [ 69.601939][ T5148] gfs2_get_tree+0x54/0x1b4 [ 69.602639][ T5148] vfs_get_tree+0x90/0x274 [ 69.603365][ T5148] do_new_mount+0x228/0x810 [ 69.604102][ T5148] path_mount+0x5bc/0x1008 [ 69.604814][ T5148] __arm64_sys_mount+0x514/0x5f0 [ 69.605588][ T5148] invoke_syscall+0x98/0x2b0 [ 69.606467][ T5148] el0_svc_common+0x138/0x258 [ 69.607288][ T5148] do_el0_svc+0x58/0x13c [ 69.608009][ T5148] el0_svc+0x78/0x1d0 [ 69.608672][ T5148] el0t_64_sync_handler+0xcc/0xe4 [ 69.609481][ T5148] el0t_64_sync+0x1a0/0x1a4 [ 69.614946][ T5148] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 69.617434][ T5148] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 69.625683][ T1968] cfg80211: failed to load regulatory.db [ 69.635634][ T2064] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.636720][ T2064] ieee802154 phy1 wpan1: encryption failed: -22 [ 69.752089][ T5148] loop2: detected capacity change from 0 to 32768 [ 69.757994][ T5148] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 69.759243][ T5148] CPU: 0 PID: 5148 Comm: syz.2.23 Not tainted syzkaller #0 [ 69.760418][ T5148] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 69.762078][ T5148] Call trace: [ 69.762623][ T5148] dump_backtrace+0x0/0x458 [ 69.763369][ T5148] show_stack+0x2c/0x3c [ 69.764142][ T5148] __dump_stack+0x30/0x40 [ 69.764895][ T5148] dump_stack_lvl+0xf4/0x15c [ 69.765647][ T5148] dump_stack+0x1c/0x5c [ 69.766308][ T5148] sysfs_create_dir_ns+0x244/0x264 [ 69.767133][ T5148] kobject_add_internal+0x5ac/0xc3c [ 69.768008][ T5148] kobject_init_and_add+0x124/0x190 [ 69.768854][ T5148] gfs2_sys_fs_add+0x200/0x41c [ 69.769735][ T5148] gfs2_fill_super+0xddc/0x1a18 [ 69.770565][ T5148] get_tree_bdev+0x358/0x544 [ 69.771359][ T5148] gfs2_get_tree+0x54/0x1b4 [ 69.772179][ T5148] vfs_get_tree+0x90/0x274 [ 69.772937][ T5148] do_new_mount+0x228/0x810 [ 69.773695][ T5148] path_mount+0x5bc/0x1008 [ 69.774450][ T5148] __arm64_sys_mount+0x514/0x5f0 [ 69.775262][ T5148] invoke_syscall+0x98/0x2b0 [ 69.776035][ T5148] el0_svc_common+0x138/0x258 [ 69.776785][ T5148] do_el0_svc+0x58/0x13c [ 69.777463][ T5148] el0_svc+0x78/0x1d0 [ 69.778115][ T5148] el0t_64_sync_handler+0xcc/0xe4 [ 69.778902][ T5148] el0t_64_sync+0x1a0/0x1a4 [ 69.785828][ T5148] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 69.787866][ T5148] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:01:09 executed programs: 16 [ 69.922481][ T4806] netdevsim netdevsim4 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 69.968216][ T4806] netdevsim netdevsim4 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 69.998777][ T5190] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 69.999944][ T5190] CPU: 0 PID: 5190 Comm: syz.2.24 Not tainted syzkaller #0 [ 70.001004][ T5190] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 70.002642][ T5190] Call trace: [ 70.003158][ T5190] dump_backtrace+0x0/0x458 [ 70.003928][ T5190] show_stack+0x2c/0x3c [ 70.004670][ T5190] __dump_stack+0x30/0x40 [ 70.005405][ T5190] dump_stack_lvl+0xf4/0x15c [ 70.006218][ T5190] dump_stack+0x1c/0x5c [ 70.006892][ T5190] sysfs_create_dir_ns+0x244/0x264 [ 70.007737][ T5190] kobject_add_internal+0x5ac/0xc3c [ 70.008598][ T5190] kobject_init_and_add+0x124/0x190 [ 70.009464][ T5190] gfs2_sys_fs_add+0x200/0x41c [ 70.010310][ T5190] gfs2_fill_super+0xddc/0x1a18 [ 70.011119][ T5190] get_tree_bdev+0x358/0x544 [ 70.011836][ T5190] gfs2_get_tree+0x54/0x1b4 [ 70.012531][ T5190] vfs_get_tree+0x90/0x274 [ 70.013294][ T5190] do_new_mount+0x228/0x810 [ 70.014033][ T5190] path_mount+0x5bc/0x1008 [ 70.014807][ T5190] __arm64_sys_mount+0x514/0x5f0 [ 70.015649][ T5190] invoke_syscall+0x98/0x2b0 [ 70.016436][ T5190] el0_svc_common+0x138/0x258 [ 70.017247][ T5190] do_el0_svc+0x58/0x13c [ 70.018000][ T5190] el0_svc+0x78/0x1d0 [ 70.018645][ T5190] el0t_64_sync_handler+0xcc/0xe4 [ 70.019445][ T5190] el0t_64_sync+0x1a0/0x1a4 [ 70.035550][ T5190] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 70.046347][ T5190] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 70.051642][ T4806] netdevsim netdevsim4 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 70.196872][ T5190] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 70.198131][ T5190] CPU: 1 PID: 5190 Comm: syz.2.24 Not tainted syzkaller #0 [ 70.199347][ T5190] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 70.200979][ T5190] Call trace: [ 70.201576][ T5190] dump_backtrace+0x0/0x458 [ 70.202347][ T5190] show_stack+0x2c/0x3c [ 70.203025][ T5190] __dump_stack+0x30/0x40 [ 70.203764][ T5190] dump_stack_lvl+0xf4/0x15c [ 70.204561][ T5190] dump_stack+0x1c/0x5c [ 70.205233][ T5190] sysfs_create_dir_ns+0x244/0x264 [ 70.205983][ T5190] kobject_add_internal+0x5ac/0xc3c [ 70.206815][ T5190] kobject_init_and_add+0x124/0x190 [ 70.207684][ T5190] gfs2_sys_fs_add+0x200/0x41c [ 70.208447][ T5190] gfs2_fill_super+0xddc/0x1a18 [ 70.209322][ T5190] get_tree_bdev+0x358/0x544 [ 70.210076][ T5190] gfs2_get_tree+0x54/0x1b4 [ 70.210838][ T5190] vfs_get_tree+0x90/0x274 [ 70.211593][ T5190] do_new_mount+0x228/0x810 [ 70.212335][ T5190] path_mount+0x5bc/0x1008 [ 70.213046][ T5190] __arm64_sys_mount+0x514/0x5f0 [ 70.213877][ T5190] invoke_syscall+0x98/0x2b0 [ 70.214665][ T5190] el0_svc_common+0x138/0x258 [ 70.215372][ T5190] do_el0_svc+0x58/0x13c [ 70.216097][ T5190] el0_svc+0x78/0x1d0 [ 70.216721][ T5190] el0t_64_sync_handler+0xcc/0xe4 [ 70.217549][ T5190] el0t_64_sync+0x1a0/0x1a4 [ 70.228955][ T4793] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 70.232914][ T5190] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 70.234938][ T5190] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 70.256533][ T4793] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 70.288968][ T4804] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 70.342839][ T4793] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 70.386430][ T4804] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 70.391461][ T5231] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 70.392699][ T5231] CPU: 1 PID: 5231 Comm: syz.2.25 Not tainted syzkaller #0 [ 70.393829][ T5231] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 70.395436][ T5231] Call trace: [ 70.395992][ T5231] dump_backtrace+0x0/0x458 [ 70.396771][ T5231] show_stack+0x2c/0x3c [ 70.397382][ T5231] __dump_stack+0x30/0x40 [ 70.398099][ T5231] dump_stack_lvl+0xf4/0x15c [ 70.398869][ T5231] dump_stack+0x1c/0x5c [ 70.399572][ T5231] sysfs_create_dir_ns+0x244/0x264 [ 70.400380][ T5231] kobject_add_internal+0x5ac/0xc3c [ 70.401201][ T5231] kobject_init_and_add+0x124/0x190 [ 70.402000][ T5231] gfs2_sys_fs_add+0x200/0x41c [ 70.402771][ T5231] gfs2_fill_super+0xddc/0x1a18 [ 70.403575][ T5231] get_tree_bdev+0x358/0x544 [ 70.404364][ T5231] gfs2_get_tree+0x54/0x1b4 [ 70.405139][ T5231] vfs_get_tree+0x90/0x274 [ 70.405866][ T5231] do_new_mount+0x228/0x810 [ 70.406611][ T5231] path_mount+0x5bc/0x1008 [ 70.407279][ T5231] __arm64_sys_mount+0x514/0x5f0 [ 70.408032][ T5231] invoke_syscall+0x98/0x2b0 [ 70.408804][ T5231] el0_svc_common+0x138/0x258 [ 70.409553][ T5231] do_el0_svc+0x58/0x13c [ 70.410243][ T5231] el0_svc+0x78/0x1d0 [ 70.410924][ T5231] el0t_64_sync_handler+0xcc/0xe4 [ 70.411731][ T5231] el0t_64_sync+0x1a0/0x1a4 [ 70.413069][ T5231] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 70.415220][ T5231] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 70.436213][ T4804] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 70.457594][ T4804] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 70.510393][ T4793] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 70.540644][ T4806] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 70.611885][ T4806] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 70.657176][ T4806] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 70.661818][ T5231] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 70.662977][ T5231] CPU: 1 PID: 5231 Comm: syz.2.25 Not tainted syzkaller #0 [ 70.664102][ T5231] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 70.665676][ T5231] Call trace: [ 70.666187][ T5231] dump_backtrace+0x0/0x458 [ 70.666919][ T5231] show_stack+0x2c/0x3c [ 70.667599][ T5231] __dump_stack+0x30/0x40 [ 70.668308][ T5231] dump_stack_lvl+0xf4/0x15c [ 70.669060][ T5231] dump_stack+0x1c/0x5c [ 70.669711][ T5231] sysfs_create_dir_ns+0x244/0x264 [ 70.670504][ T5231] kobject_add_internal+0x5ac/0xc3c [ 70.671308][ T5231] kobject_init_and_add+0x124/0x190 [ 70.672072][ T5231] gfs2_sys_fs_add+0x200/0x41c [ 70.672784][ T5231] gfs2_fill_super+0xddc/0x1a18 [ 70.673658][ T5231] get_tree_bdev+0x358/0x544 [ 70.674377][ T5231] gfs2_get_tree+0x54/0x1b4 [ 70.675122][ T5231] vfs_get_tree+0x90/0x274 [ 70.675859][ T5231] do_new_mount+0x228/0x810 [ 70.676587][ T5231] path_mount+0x5bc/0x1008 [ 70.677268][ T5231] __arm64_sys_mount+0x514/0x5f0 [ 70.678056][ T5231] invoke_syscall+0x98/0x2b0 [ 70.678760][ T5231] el0_svc_common+0x138/0x258 [ 70.679482][ T5231] do_el0_svc+0x58/0x13c [ 70.680143][ T5231] el0_svc+0x78/0x1d0 [ 70.680793][ T5231] el0t_64_sync_handler+0xcc/0xe4 [ 70.681591][ T5231] el0t_64_sync+0x1a0/0x1a4 [ 70.684614][ T5231] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 70.688912][ T5231] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 70.712046][ T4806] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 70.784311][ T4804] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.821133][ T4793] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.825625][ T4151] Bluetooth: hci1: command 0x040f tx timeout [ 70.826629][ T4151] Bluetooth: hci0: command 0x040f tx timeout [ 70.830916][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.832324][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.850023][ T4804] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.854672][ T4793] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.859581][ T5001] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.860955][ T5001] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.863762][ T4806] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.870014][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.871633][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.873037][ T346] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.874248][ T346] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.878416][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.879946][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.881485][ T346] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.882590][ T346] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.884025][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.885726][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.887556][ T346] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.888661][ T346] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.905284][ T4150] Bluetooth: hci4: command 0x040f tx timeout [ 70.908583][ T4150] Bluetooth: hci3: command 0x040f tx timeout [ 70.909485][ T4150] Bluetooth: hci2: command 0x040f tx timeout [ 70.910689][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.912163][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.913723][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.923874][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.925793][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.927326][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.928687][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.932010][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.933503][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.934951][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.938874][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.940497][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.941994][ T346] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.943049][ T346] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.945854][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.947358][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.960375][ T4806] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.963504][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.965041][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.967414][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.968958][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.970506][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.971905][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.973415][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.974958][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.981537][ T5279] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 70.982854][ T5279] CPU: 1 PID: 5279 Comm: syz.2.26 Not tainted syzkaller #0 [ 70.983943][ T5279] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 70.985539][ T5279] Call trace: [ 70.986048][ T5279] dump_backtrace+0x0/0x458 [ 70.986693][ T5279] show_stack+0x2c/0x3c [ 70.987322][ T5279] __dump_stack+0x30/0x40 [ 70.987993][ T5279] dump_stack_lvl+0xf4/0x15c [ 70.988687][ T5279] dump_stack+0x1c/0x5c [ 70.989392][ T5279] sysfs_create_dir_ns+0x244/0x264 [ 70.990275][ T5279] kobject_add_internal+0x5ac/0xc3c [ 70.991165][ T5279] kobject_init_and_add+0x124/0x190 [ 70.991983][ T5279] gfs2_sys_fs_add+0x200/0x41c [ 70.992753][ T5279] gfs2_fill_super+0xddc/0x1a18 [ 70.993555][ T5279] get_tree_bdev+0x358/0x544 [ 70.994274][ T5279] gfs2_get_tree+0x54/0x1b4 [ 70.994972][ T5279] vfs_get_tree+0x90/0x274 [ 70.995720][ T5279] do_new_mount+0x228/0x810 [ 70.996475][ T5279] path_mount+0x5bc/0x1008 [ 70.997198][ T5279] __arm64_sys_mount+0x514/0x5f0 [ 70.997983][ T5279] invoke_syscall+0x98/0x2b0 [ 70.998690][ T5279] el0_svc_common+0x138/0x258 [ 70.999494][ T5279] do_el0_svc+0x58/0x13c [ 71.000132][ T5279] el0_svc+0x78/0x1d0 [ 71.000765][ T5279] el0t_64_sync_handler+0xcc/0xe4 [ 71.001577][ T5279] el0t_64_sync+0x1a0/0x1a4 [ 71.004638][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.008873][ T346] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.009933][ T346] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.011480][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.013130][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.014462][ T5279] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 71.016788][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.018308][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.019787][ T346] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.020906][ T346] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.022273][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.024445][ T5279] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 71.041189][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.042916][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.044205][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.049382][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.050834][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.059260][ T4804] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.069758][ T4793] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 71.071625][ T4793] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.075539][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.076931][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.086010][ T5001] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.087490][ T5001] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.089301][ T5001] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.091706][ T5001] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.093267][ T5001] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.114502][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.116393][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.124050][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.125525][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.127950][ T4806] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.184712][ T4804] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.198150][ T5001] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.199427][ T5001] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.207520][ T5001] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.208648][ T5001] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.223350][ T4793] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.237893][ T5001] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 71.239519][ T5001] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 71.255981][ T5279] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 71.257165][ T5279] CPU: 1 PID: 5279 Comm: syz.2.26 Not tainted syzkaller #0 [ 71.258355][ T5279] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 71.259976][ T5279] Call trace: [ 71.260491][ T5279] dump_backtrace+0x0/0x458 [ 71.261235][ T5279] show_stack+0x2c/0x3c [ 71.261950][ T5279] __dump_stack+0x30/0x40 [ 71.262570][ T5279] dump_stack_lvl+0xf4/0x15c [ 71.263273][ T5279] dump_stack+0x1c/0x5c [ 71.263811][ T5279] sysfs_create_dir_ns+0x244/0x264 [ 71.264496][ T5279] kobject_add_internal+0x5ac/0xc3c [ 71.265210][ T5279] kobject_init_and_add+0x124/0x190 [ 71.265996][ T5279] gfs2_sys_fs_add+0x200/0x41c [ 71.266749][ T5279] gfs2_fill_super+0xddc/0x1a18 [ 71.267596][ T5279] get_tree_bdev+0x358/0x544 [ 71.268422][ T5279] gfs2_get_tree+0x54/0x1b4 [ 71.269159][ T5279] vfs_get_tree+0x90/0x274 [ 71.269876][ T5279] do_new_mount+0x228/0x810 [ 71.270549][ T5279] path_mount+0x5bc/0x1008 [ 71.271262][ T5279] __arm64_sys_mount+0x514/0x5f0 [ 71.272016][ T5279] invoke_syscall+0x98/0x2b0 [ 71.272774][ T5279] el0_svc_common+0x138/0x258 [ 71.273541][ T5279] do_el0_svc+0x58/0x13c [ 71.274238][ T5279] el0_svc+0x78/0x1d0 [ 71.274836][ T5279] el0t_64_sync_handler+0xcc/0xe4 [ 71.275610][ T5279] el0t_64_sync+0x1a0/0x1a4 [ 71.275996][ T4804] device veth0_vlan entered promiscuous mode [ 71.279516][ T5279] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 71.281965][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.283144][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.284352][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 71.286646][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 71.288288][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 71.289697][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 71.291264][ T5279] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 71.292561][ T5001] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 71.294149][ T5001] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 71.305507][ T4806] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.317196][ T4804] device veth1_vlan entered promiscuous mode [ 71.328809][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 71.330321][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 71.331715][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 71.333144][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 71.334532][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 71.346267][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 71.367586][ T4793] device veth0_vlan entered promiscuous mode [ 71.391662][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 71.393325][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 71.400081][ T4793] device veth1_vlan entered promiscuous mode [ 71.401789][ T4804] device veth0_macvtap entered promiscuous mode [ 71.417242][ T4804] device veth1_macvtap entered promiscuous mode [ 71.436937][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 71.438353][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 71.439787][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 71.441288][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 71.442643][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 71.444065][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 71.452492][ T4804] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 71.454077][ T4804] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 71.462762][ T4804] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 71.464565][ T4804] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 71.470948][ T4804] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 71.474506][ T4804] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 71.479021][ T5327] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 71.480142][ T5327] CPU: 1 PID: 5327 Comm: syz.2.27 Not tainted syzkaller #0 [ 71.481164][ T5327] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 71.482908][ T5327] Call trace: [ 71.483477][ T5327] dump_backtrace+0x0/0x458 [ 71.484221][ T5327] show_stack+0x2c/0x3c [ 71.484888][ T5327] __dump_stack+0x30/0x40 [ 71.485567][ T5327] dump_stack_lvl+0xf4/0x15c [ 71.485934][ T4804] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 71.486375][ T5327] dump_stack+0x1c/0x5c [ 71.488211][ T5327] sysfs_create_dir_ns+0x244/0x264 [ 71.488385][ T4793] device veth0_macvtap entered promiscuous mode [ 71.489075][ T5327] kobject_add_internal+0x5ac/0xc3c [ 71.490826][ T5327] kobject_init_and_add+0x124/0x190 [ 71.491304][ T4793] device veth1_macvtap entered promiscuous mode [ 71.491690][ T5327] gfs2_sys_fs_add+0x200/0x41c [ 71.493377][ T5327] gfs2_fill_super+0xddc/0x1a18 [ 71.494243][ T5327] get_tree_bdev+0x358/0x544 [ 71.494993][ T5327] gfs2_get_tree+0x54/0x1b4 [ 71.495700][ T5327] vfs_get_tree+0x90/0x274 [ 71.496196][ T4793] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 71.496439][ T5327] do_new_mount+0x228/0x810 [ 71.498178][ T4793] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 71.498867][ T5327] path_mount+0x5bc/0x1008 [ 71.500495][ T4793] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 71.500989][ T5327] __arm64_sys_mount+0x514/0x5f0 [ 71.502659][ T4793] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 71.503507][ T5327] invoke_syscall+0x98/0x2b0 [ 71.505546][ T4793] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 71.505880][ T5327] el0_svc_common+0x138/0x258 [ 71.507462][ T4793] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 71.508192][ T5327] do_el0_svc+0x58/0x13c [ 71.509716][ T4793] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 71.510303][ T5327] el0_svc+0x78/0x1d0 [ 71.511935][ T4793] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 71.512534][ T5327] el0t_64_sync_handler+0xcc/0xe4 [ 71.514778][ T4793] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 71.514955][ T5327] el0t_64_sync+0x1a0/0x1a4 [ 71.517482][ T4793] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 71.521950][ T5327] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 71.523962][ T5327] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 71.532098][ T4793] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 71.533770][ T4793] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 71.541538][ T4793] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 71.543109][ T4793] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 71.544851][ T4793] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 71.548124][ T4793] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 71.550811][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 71.552354][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 71.553778][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 71.558247][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 71.560548][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 71.562202][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 71.563603][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 71.575611][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 71.577973][ T4804] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 71.579530][ T4804] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 71.581023][ T4804] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 71.582794][ T4804] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 71.584417][ T4804] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 71.590852][ T4804] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 71.592551][ T4804] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 71.594161][ T4804] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 71.603360][ T4804] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 71.610296][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 71.611811][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 71.630978][ T4793] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.632343][ T4793] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.633793][ T4793] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.637307][ T4793] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.646981][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 71.648615][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 71.653441][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 71.654934][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 71.658587][ T5327] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 71.659829][ T5327] CPU: 1 PID: 5327 Comm: syz.2.27 Not tainted syzkaller #0 [ 71.660985][ T5327] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 71.662525][ T5327] Call trace: [ 71.662992][ T5327] dump_backtrace+0x0/0x458 [ 71.663664][ T5327] show_stack+0x2c/0x3c [ 71.664273][ T5327] __dump_stack+0x30/0x40 [ 71.664933][ T5327] dump_stack_lvl+0xf4/0x15c [ 71.665606][ T5327] dump_stack+0x1c/0x5c [ 71.666232][ T5327] sysfs_create_dir_ns+0x244/0x264 [ 71.667038][ T5327] kobject_add_internal+0x5ac/0xc3c [ 71.667841][ T5327] kobject_init_and_add+0x124/0x190 [ 71.668617][ T5327] gfs2_sys_fs_add+0x200/0x41c [ 71.669356][ T5327] gfs2_fill_super+0xddc/0x1a18 [ 71.670146][ T5327] get_tree_bdev+0x358/0x544 [ 71.670864][ T5327] gfs2_get_tree+0x54/0x1b4 [ 71.671597][ T5327] vfs_get_tree+0x90/0x274 [ 71.672343][ T5327] do_new_mount+0x228/0x810 [ 71.673102][ T5327] path_mount+0x5bc/0x1008 [ 71.673826][ T5327] __arm64_sys_mount+0x514/0x5f0 [ 71.674670][ T5327] invoke_syscall+0x98/0x2b0 [ 71.675389][ T5327] el0_svc_common+0x138/0x258 [ 71.676105][ T5327] do_el0_svc+0x58/0x13c [ 71.676739][ T5327] el0_svc+0x78/0x1d0 [ 71.677405][ T5327] el0t_64_sync_handler+0xcc/0xe4 [ 71.678191][ T5327] el0t_64_sync+0x1a0/0x1a4 [ 71.684841][ T4804] netdevsim netdevsim3 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.686371][ T4804] netdevsim netdevsim3 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.687738][ T4804] netdevsim netdevsim3 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.689186][ T4804] netdevsim netdevsim3 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.691231][ T5327] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 71.693352][ T5327] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 71.694753][ T4806] device veth0_vlan entered promiscuous mode [ 71.696571][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 71.697915][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 71.713583][ T4793] ieee80211 phy13: Selected rate control algorithm 'minstrel_ht' [ 71.716815][ T4806] device veth1_vlan entered promiscuous mode [ 71.731388][ T5001] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 71.732989][ T5001] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 71.734289][ T5001] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 71.739506][ T5001] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 71.755661][ T4806] device veth0_macvtap entered promiscuous mode [ 71.759983][ T4804] ieee80211 phy14: Selected rate control algorithm 'minstrel_ht' [ 71.762942][ T4806] device veth1_macvtap entered promiscuous mode [ 71.764935][ T5001] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 71.766628][ T5001] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 71.768337][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 71.769755][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 71.771119][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 71.778155][ T4793] ieee80211 phy15: Selected rate control algorithm 'minstrel_ht' [ 71.801669][ T5001] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 71.802756][ T5001] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 71.803966][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 71.811027][ T4804] ieee80211 phy16: Selected rate control algorithm 'minstrel_ht' [ 71.814165][ T4806] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 71.816565][ T4806] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 71.818195][ T4806] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 71.820000][ T4806] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 71.821569][ T4806] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 71.823310][ T4806] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 71.824958][ T4806] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 71.830486][ T4806] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 71.832126][ T4806] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 71.833725][ T4806] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 71.843861][ T4806] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 71.849182][ T5001] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 71.850488][ T5001] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 71.852942][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 71.854411][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 71.856451][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 71.862976][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 71.864144][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 71.868820][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 71.910475][ T4806] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 71.912184][ T4806] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 71.929373][ T4806] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 71.930928][ T4806] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 71.932325][ T4806] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 71.933887][ T4806] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 71.949926][ T4806] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 71.951579][ T4806] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 71.952894][ T4806] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 71.954361][ T4806] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 71.976310][ T4806] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 71.981730][ T5001] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 71.983358][ T5001] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 71.996181][ T4806] netdevsim netdevsim4 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.997547][ T4806] netdevsim netdevsim4 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.998841][ T4806] netdevsim netdevsim4 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.000233][ T4806] netdevsim netdevsim4 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.020785][ T5362] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.029805][ T5362] CPU: 1 PID: 5362 Comm: syz.2.28 Not tainted syzkaller #0 [ 72.030981][ T5362] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 72.032649][ T5362] Call trace: [ 72.033193][ T5362] dump_backtrace+0x0/0x458 [ 72.033910][ T5362] show_stack+0x2c/0x3c [ 72.034574][ T5362] __dump_stack+0x30/0x40 [ 72.035237][ T5362] dump_stack_lvl+0xf4/0x15c [ 72.036095][ T5362] dump_stack+0x1c/0x5c [ 72.036807][ T5362] sysfs_create_dir_ns+0x244/0x264 [ 72.037535][ T5362] kobject_add_internal+0x5ac/0xc3c [ 72.038452][ T5362] kobject_init_and_add+0x124/0x190 [ 72.039320][ T5362] gfs2_sys_fs_add+0x200/0x41c [ 72.040043][ T5362] gfs2_fill_super+0xddc/0x1a18 [ 72.040715][ T5362] get_tree_bdev+0x358/0x544 [ 72.041361][ T5362] gfs2_get_tree+0x54/0x1b4 [ 72.042100][ T5362] vfs_get_tree+0x90/0x274 [ 72.042756][ T5362] do_new_mount+0x228/0x810 [ 72.043379][ T5362] path_mount+0x5bc/0x1008 [ 72.043977][ T5362] __arm64_sys_mount+0x514/0x5f0 [ 72.044697][ T5362] invoke_syscall+0x98/0x2b0 [ 72.045353][ T5362] el0_svc_common+0x138/0x258 [ 72.046011][ T5362] do_el0_svc+0x58/0x13c [ 72.046630][ T5362] el0_svc+0x78/0x1d0 [ 72.047255][ T5362] el0t_64_sync_handler+0xcc/0xe4 [ 72.048046][ T5362] el0t_64_sync+0x1a0/0x1a4 [ 72.062423][ T5362] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.075577][ T5362] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.080480][ T4806] ieee80211 phy17: Selected rate control algorithm 'minstrel_ht' [ 72.090836][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 72.092080][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 72.093328][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 72.104848][ T4806] ieee80211 phy18: Selected rate control algorithm 'minstrel_ht' [ 72.119266][ T5001] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 72.120478][ T5001] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 72.121844][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 72.148041][ T5369] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.149325][ T5369] CPU: 0 PID: 5369 Comm: syz.0.15 Not tainted syzkaller #0 [ 72.150527][ T5369] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 72.152055][ T5369] Call trace: [ 72.152579][ T5369] dump_backtrace+0x0/0x458 [ 72.153404][ T5369] show_stack+0x2c/0x3c [ 72.154083][ T5369] __dump_stack+0x30/0x40 [ 72.154808][ T5369] dump_stack_lvl+0xf4/0x15c [ 72.155542][ T5369] dump_stack+0x1c/0x5c [ 72.156245][ T5369] sysfs_create_dir_ns+0x244/0x264 [ 72.157078][ T5369] kobject_add_internal+0x5ac/0xc3c [ 72.157925][ T5369] kobject_init_and_add+0x124/0x190 [ 72.158869][ T5369] gfs2_sys_fs_add+0x200/0x41c [ 72.159687][ T5369] gfs2_fill_super+0xddc/0x1a18 [ 72.160486][ T5369] get_tree_bdev+0x358/0x544 [ 72.161256][ T5369] gfs2_get_tree+0x54/0x1b4 [ 72.161951][ T5369] vfs_get_tree+0x90/0x274 [ 72.162628][ T5369] do_new_mount+0x228/0x810 [ 72.163354][ T5369] path_mount+0x5bc/0x1008 [ 72.164138][ T5369] __arm64_sys_mount+0x514/0x5f0 [ 72.164974][ T5369] invoke_syscall+0x98/0x2b0 [ 72.165756][ T5369] el0_svc_common+0x138/0x258 [ 72.166513][ T5369] do_el0_svc+0x58/0x13c [ 72.167204][ T5369] el0_svc+0x78/0x1d0 [ 72.167895][ T5369] el0t_64_sync_handler+0xcc/0xe4 [ 72.168785][ T5369] el0t_64_sync+0x1a0/0x1a4 [ 72.229995][ T5369] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.232024][ T5369] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.258928][ T5380] set_capacity_and_notify: 10 callbacks suppressed [ 72.258938][ T5380] loop3: detected capacity change from 0 to 32768 [ 72.317893][ T5380] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.319032][ T5380] CPU: 0 PID: 5380 Comm: syz.3.18 Not tainted syzkaller #0 [ 72.320225][ T5380] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 72.321817][ T5380] Call trace: [ 72.322347][ T5380] dump_backtrace+0x0/0x458 [ 72.323102][ T5380] show_stack+0x2c/0x3c [ 72.323784][ T5380] __dump_stack+0x30/0x40 [ 72.324475][ T5380] dump_stack_lvl+0xf4/0x15c [ 72.325225][ T5380] dump_stack+0x1c/0x5c [ 72.325934][ T5380] sysfs_create_dir_ns+0x244/0x264 [ 72.326753][ T5380] kobject_add_internal+0x5ac/0xc3c [ 72.327534][ T5380] kobject_init_and_add+0x124/0x190 [ 72.328332][ T5380] gfs2_sys_fs_add+0x200/0x41c [ 72.329060][ T5380] gfs2_fill_super+0xddc/0x1a18 [ 72.329819][ T5380] get_tree_bdev+0x358/0x544 [ 72.330584][ T5380] gfs2_get_tree+0x54/0x1b4 [ 72.331273][ T5380] vfs_get_tree+0x90/0x274 [ 72.331988][ T5380] do_new_mount+0x228/0x810 [ 72.332775][ T5380] path_mount+0x5bc/0x1008 [ 72.333553][ T5380] __arm64_sys_mount+0x514/0x5f0 [ 72.334352][ T5380] invoke_syscall+0x98/0x2b0 [ 72.335149][ T5380] el0_svc_common+0x138/0x258 [ 72.335935][ T5380] do_el0_svc+0x58/0x13c [ 72.336645][ T5380] el0_svc+0x78/0x1d0 [ 72.337286][ T5380] el0t_64_sync_handler+0xcc/0xe4 [ 72.338108][ T5380] el0t_64_sync+0x1a0/0x1a4 [ 72.364900][ T5362] loop2: detected capacity change from 0 to 32768 [ 72.385225][ T5380] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.387248][ T5380] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.413235][ T5362] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.414379][ T5362] CPU: 0 PID: 5362 Comm: syz.2.28 Not tainted syzkaller #0 [ 72.415456][ T5362] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 72.417127][ T5362] Call trace: [ 72.417674][ T5362] dump_backtrace+0x0/0x458 [ 72.418456][ T5362] show_stack+0x2c/0x3c [ 72.419139][ T5362] __dump_stack+0x30/0x40 [ 72.419838][ T5362] dump_stack_lvl+0xf4/0x15c [ 72.420587][ T5362] dump_stack+0x1c/0x5c [ 72.420623][ T5393] loop4: detected capacity change from 0 to 32768 [ 72.421237][ T5362] sysfs_create_dir_ns+0x244/0x264 [ 72.423154][ T5362] kobject_add_internal+0x5ac/0xc3c [ 72.424059][ T5362] kobject_init_and_add+0x124/0x190 [ 72.424948][ T5362] gfs2_sys_fs_add+0x200/0x41c [ 72.425706][ T5362] gfs2_fill_super+0xddc/0x1a18 [ 72.426477][ T5362] get_tree_bdev+0x358/0x544 [ 72.427189][ T5362] gfs2_get_tree+0x54/0x1b4 [ 72.427897][ T5362] vfs_get_tree+0x90/0x274 [ 72.428628][ T5362] do_new_mount+0x228/0x810 [ 72.429290][ T5362] path_mount+0x5bc/0x1008 [ 72.429930][ T5362] __arm64_sys_mount+0x514/0x5f0 [ 72.430679][ T5362] invoke_syscall+0x98/0x2b0 [ 72.431447][ T5362] el0_svc_common+0x138/0x258 [ 72.432264][ T5362] do_el0_svc+0x58/0x13c [ 72.432986][ T5362] el0_svc+0x78/0x1d0 [ 72.433689][ T5362] el0t_64_sync_handler+0xcc/0xe4 [ 72.434512][ T5362] el0t_64_sync+0x1a0/0x1a4 [ 72.446575][ T5362] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.448681][ T5362] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.473653][ T5393] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.474822][ T5393] CPU: 1 PID: 5393 Comm: syz.4.19 Not tainted syzkaller #0 [ 72.475981][ T5393] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 72.477710][ T5393] Call trace: [ 72.478291][ T5393] dump_backtrace+0x0/0x458 [ 72.479039][ T5393] show_stack+0x2c/0x3c [ 72.479711][ T5393] __dump_stack+0x30/0x40 [ 72.480457][ T5393] dump_stack_lvl+0xf4/0x15c [ 72.481198][ T5393] dump_stack+0x1c/0x5c [ 72.481807][ T5393] sysfs_create_dir_ns+0x244/0x264 [ 72.482604][ T5393] kobject_add_internal+0x5ac/0xc3c [ 72.483342][ T5393] kobject_init_and_add+0x124/0x190 [ 72.484122][ T5393] gfs2_sys_fs_add+0x200/0x41c [ 72.484826][ T5393] gfs2_fill_super+0xddc/0x1a18 [ 72.485541][ T5393] get_tree_bdev+0x358/0x544 [ 72.486279][ T5393] gfs2_get_tree+0x54/0x1b4 [ 72.487008][ T5393] vfs_get_tree+0x90/0x274 [ 72.487772][ T5393] do_new_mount+0x228/0x810 [ 72.488510][ T5393] path_mount+0x5bc/0x1008 [ 72.489250][ T5393] __arm64_sys_mount+0x514/0x5f0 [ 72.489985][ T5393] invoke_syscall+0x98/0x2b0 [ 72.490747][ T5393] el0_svc_common+0x138/0x258 [ 72.491518][ T5393] do_el0_svc+0x58/0x13c [ 72.492184][ T5393] el0_svc+0x78/0x1d0 [ 72.492854][ T5393] el0t_64_sync_handler+0xcc/0xe4 [ 72.493672][ T5393] el0t_64_sync+0x1a0/0x1a4 [ 72.535494][ T5393] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.537677][ T5393] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.559022][ T5369] loop0: detected capacity change from 0 to 32768 [ 72.597849][ T5369] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.599092][ T5369] CPU: 0 PID: 5369 Comm: syz.0.15 Not tainted syzkaller #0 [ 72.600130][ T5369] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 72.601569][ T5369] Call trace: [ 72.602033][ T5369] dump_backtrace+0x0/0x458 [ 72.602759][ T5369] show_stack+0x2c/0x3c [ 72.603376][ T5369] __dump_stack+0x30/0x40 [ 72.604037][ T5369] dump_stack_lvl+0xf4/0x15c [ 72.604745][ T5369] dump_stack+0x1c/0x5c [ 72.605356][ T5369] sysfs_create_dir_ns+0x244/0x264 [ 72.606138][ T5369] kobject_add_internal+0x5ac/0xc3c [ 72.606943][ T5369] kobject_init_and_add+0x124/0x190 [ 72.607715][ T5369] gfs2_sys_fs_add+0x200/0x41c [ 72.608457][ T5369] gfs2_fill_super+0xddc/0x1a18 [ 72.609249][ T5369] get_tree_bdev+0x358/0x544 [ 72.610055][ T5369] gfs2_get_tree+0x54/0x1b4 [ 72.610793][ T5369] vfs_get_tree+0x90/0x274 [ 72.611640][ T5369] do_new_mount+0x228/0x810 [ 72.612414][ T5369] path_mount+0x5bc/0x1008 [ 72.613125][ T5369] __arm64_sys_mount+0x514/0x5f0 [ 72.613914][ T5369] invoke_syscall+0x98/0x2b0 [ 72.614693][ T5369] el0_svc_common+0x138/0x258 [ 72.615513][ T5369] do_el0_svc+0x58/0x13c [ 72.616239][ T5369] el0_svc+0x78/0x1d0 [ 72.616971][ T5369] el0t_64_sync_handler+0xcc/0xe4 [ 72.617809][ T5369] el0t_64_sync+0x1a0/0x1a4 [ 72.666578][ T5369] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.668743][ T5369] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.702763][ T136] device hsr_slave_0 left promiscuous mode [ 72.793681][ T136] device hsr_slave_1 left promiscuous mode [ 72.817889][ T5380] loop3: detected capacity change from 0 to 32768 [ 72.849296][ T5380] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.850512][ T5380] CPU: 0 PID: 5380 Comm: syz.3.18 Not tainted syzkaller #0 [ 72.851656][ T5380] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 72.853320][ T5380] Call trace: [ 72.853807][ T5380] dump_backtrace+0x0/0x458 [ 72.854525][ T5380] show_stack+0x2c/0x3c [ 72.855208][ T5380] __dump_stack+0x30/0x40 [ 72.855957][ T5380] dump_stack_lvl+0xf4/0x15c [ 72.856681][ T5380] dump_stack+0x1c/0x5c [ 72.857365][ T5380] sysfs_create_dir_ns+0x244/0x264 [ 72.858188][ T5380] kobject_add_internal+0x5ac/0xc3c [ 72.859027][ T5380] kobject_init_and_add+0x124/0x190 [ 72.859875][ T5380] gfs2_sys_fs_add+0x200/0x41c [ 72.860729][ T5380] gfs2_fill_super+0xddc/0x1a18 [ 72.861498][ T5380] get_tree_bdev+0x358/0x544 [ 72.862203][ T5380] gfs2_get_tree+0x54/0x1b4 [ 72.863031][ T5380] vfs_get_tree+0x90/0x274 [ 72.863755][ T5380] do_new_mount+0x228/0x810 [ 72.864553][ T5380] path_mount+0x5bc/0x1008 [ 72.865261][ T5380] __arm64_sys_mount+0x514/0x5f0 [ 72.866019][ T5380] invoke_syscall+0x98/0x2b0 [ 72.866729][ T5380] el0_svc_common+0x138/0x258 [ 72.867446][ T5380] do_el0_svc+0x58/0x13c [ 72.868185][ T5380] el0_svc+0x78/0x1d0 [ 72.868823][ T5380] el0t_64_sync_handler+0xcc/0xe4 [ 72.869671][ T5380] el0t_64_sync+0x1a0/0x1a4 [ 72.891087][ T5380] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.893092][ T5380] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.895518][ T136] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 72.896684][ T136] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 72.903351][ T5393] loop4: detected capacity change from 0 to 32768 [ 72.915431][ T4150] Bluetooth: hci0: command 0x0419 tx timeout [ 72.918850][ T4150] Bluetooth: hci1: command 0x0419 tx timeout [ 72.925909][ T136] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 72.927101][ T136] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 72.929813][ T136] device bridge_slave_1 left promiscuous mode [ 72.930916][ T136] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.931017][ T5419] loop2: detected capacity change from 0 to 32768 [ 72.950303][ T5393] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.950651][ T5427] loop0: detected capacity change from 0 to 32768 [ 72.951435][ T5393] CPU: 1 PID: 5393 Comm: syz.4.19 Not tainted syzkaller #0 [ 72.953672][ T5393] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 72.955338][ T5393] Call trace: [ 72.955878][ T5393] dump_backtrace+0x0/0x458 [ 72.956617][ T5393] show_stack+0x2c/0x3c [ 72.957243][ T5393] __dump_stack+0x30/0x40 [ 72.957932][ T5393] dump_stack_lvl+0xf4/0x15c [ 72.958633][ T5393] dump_stack+0x1c/0x5c [ 72.959283][ T5393] sysfs_create_dir_ns+0x244/0x264 [ 72.960053][ T5393] kobject_add_internal+0x5ac/0xc3c [ 72.960871][ T5393] kobject_init_and_add+0x124/0x190 [ 72.961747][ T5393] gfs2_sys_fs_add+0x200/0x41c [ 72.962534][ T5393] gfs2_fill_super+0xddc/0x1a18 [ 72.963286][ T5393] get_tree_bdev+0x358/0x544 [ 72.964068][ T5393] gfs2_get_tree+0x54/0x1b4 [ 72.964844][ T5393] vfs_get_tree+0x90/0x274 [ 72.965568][ T5393] do_new_mount+0x228/0x810 [ 72.966283][ T5393] path_mount+0x5bc/0x1008 [ 72.966971][ T5393] __arm64_sys_mount+0x514/0x5f0 [ 72.967745][ T5393] invoke_syscall+0x98/0x2b0 [ 72.968444][ T5393] el0_svc_common+0x138/0x258 [ 72.969225][ T5393] do_el0_svc+0x58/0x13c [ 72.969877][ T5393] el0_svc+0x78/0x1d0 [ 72.970545][ T5393] el0t_64_sync_handler+0xcc/0xe4 [ 72.971373][ T5393] el0t_64_sync+0x1a0/0x1a4 [ 72.972732][ T136] device bridge_slave_0 left promiscuous mode [ 72.973827][ T136] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.985453][ T4150] Bluetooth: hci2: command 0x0419 tx timeout [ 72.986454][ T4150] Bluetooth: hci3: command 0x0419 tx timeout [ 72.987495][ T4150] Bluetooth: hci4: command 0x0419 tx timeout [ 72.989398][ T5427] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.990603][ T5427] CPU: 0 PID: 5427 Comm: syz.0.30 Not tainted syzkaller #0 [ 72.990776][ T5419] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.991689][ T5427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 72.994335][ T5427] Call trace: [ 72.994788][ T5427] dump_backtrace+0x0/0x458 [ 72.995487][ T5427] show_stack+0x2c/0x3c [ 72.996118][ T5427] __dump_stack+0x30/0x40 [ 72.996801][ T5427] dump_stack_lvl+0xf4/0x15c [ 72.997484][ T5427] dump_stack+0x1c/0x5c [ 72.998158][ T5427] sysfs_create_dir_ns+0x244/0x264 [ 72.998891][ T5427] kobject_add_internal+0x5ac/0xc3c [ 72.999646][ T5427] kobject_init_and_add+0x124/0x190 [ 73.000477][ T5427] gfs2_sys_fs_add+0x200/0x41c [ 73.001199][ T5427] gfs2_fill_super+0xddc/0x1a18 [ 73.001919][ T5427] get_tree_bdev+0x358/0x544 [ 73.002591][ T5427] gfs2_get_tree+0x54/0x1b4 [ 73.003286][ T5427] vfs_get_tree+0x90/0x274 [ 73.003910][ T5427] do_new_mount+0x228/0x810 [ 73.004596][ T5427] path_mount+0x5bc/0x1008 [ 73.005271][ T5427] __arm64_sys_mount+0x514/0x5f0 [ 73.006037][ T5427] invoke_syscall+0x98/0x2b0 [ 73.006678][ T5427] el0_svc_common+0x138/0x258 [ 73.007377][ T5427] do_el0_svc+0x58/0x13c [ 73.008026][ T5427] el0_svc+0x78/0x1d0 [ 73.008668][ T5427] el0t_64_sync_handler+0xcc/0xe4 [ 73.009438][ T5427] el0t_64_sync+0x1a0/0x1a4 [ 73.027942][ T5419] CPU: 1 PID: 5419 Comm: syz.2.29 Not tainted syzkaller #0 [ 73.029106][ T5419] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 73.030587][ T5419] Call trace: [ 73.031061][ T5419] dump_backtrace+0x0/0x458 [ 73.031681][ T5419] show_stack+0x2c/0x3c [ 73.032326][ T5419] __dump_stack+0x30/0x40 [ 73.033034][ T5419] dump_stack_lvl+0xf4/0x15c [ 73.033787][ T5419] dump_stack+0x1c/0x5c [ 73.034554][ T5419] sysfs_create_dir_ns+0x244/0x264 [ 73.035399][ T5419] kobject_add_internal+0x5ac/0xc3c [ 73.036260][ T5419] kobject_init_and_add+0x124/0x190 [ 73.037140][ T5419] gfs2_sys_fs_add+0x200/0x41c [ 73.037577][ T5427] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.037935][ T5419] gfs2_fill_super+0xddc/0x1a18 [ 73.040064][ T5427] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.040821][ T5419] get_tree_bdev+0x358/0x544 [ 73.042629][ T5419] gfs2_get_tree+0x54/0x1b4 [ 73.043426][ T5419] vfs_get_tree+0x90/0x274 [ 73.044131][ T5419] do_new_mount+0x228/0x810 [ 73.044805][ T5419] path_mount+0x5bc/0x1008 [ 73.045426][ T5419] __arm64_sys_mount+0x514/0x5f0 [ 73.046151][ T5419] invoke_syscall+0x98/0x2b0 [ 73.046965][ T5419] el0_svc_common+0x138/0x258 [ 73.047709][ T5419] do_el0_svc+0x58/0x13c [ 73.048434][ T5419] el0_svc+0x78/0x1d0 [ 73.049121][ T5419] el0t_64_sync_handler+0xcc/0xe4 [ 73.049899][ T5419] el0t_64_sync+0x1a0/0x1a4 [ 73.053178][ T5393] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.058050][ T5393] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.107615][ T5419] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.109761][ T5419] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.150721][ T5439] loop3: detected capacity change from 0 to 32768 [ 73.158995][ T5439] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.160128][ T5439] CPU: 0 PID: 5439 Comm: syz.3.31 Not tainted syzkaller #0 [ 73.161190][ T5439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 73.162650][ T5439] Call trace: [ 73.163135][ T5439] dump_backtrace+0x0/0x458 [ 73.163828][ T5439] show_stack+0x2c/0x3c [ 73.164543][ T5439] __dump_stack+0x30/0x40 [ 73.165320][ T5439] dump_stack_lvl+0xf4/0x15c [ 73.166011][ T5439] dump_stack+0x1c/0x5c [ 73.166736][ T5439] sysfs_create_dir_ns+0x244/0x264 [ 73.167550][ T5439] kobject_add_internal+0x5ac/0xc3c [ 73.168366][ T5439] kobject_init_and_add+0x124/0x190 [ 73.169159][ T5439] gfs2_sys_fs_add+0x200/0x41c [ 73.169882][ T5439] gfs2_fill_super+0xddc/0x1a18 [ 73.170674][ T5439] get_tree_bdev+0x358/0x544 [ 73.171429][ T5439] gfs2_get_tree+0x54/0x1b4 [ 73.172199][ T5439] vfs_get_tree+0x90/0x274 [ 73.172923][ T5439] do_new_mount+0x228/0x810 [ 73.173637][ T5439] path_mount+0x5bc/0x1008 [ 73.174319][ T5439] __arm64_sys_mount+0x514/0x5f0 [ 73.175080][ T5439] invoke_syscall+0x98/0x2b0 [ 73.175887][ T5439] el0_svc_common+0x138/0x258 [ 73.176645][ T5439] do_el0_svc+0x58/0x13c [ 73.177324][ T5439] el0_svc+0x78/0x1d0 [ 73.177987][ T5439] el0t_64_sync_handler+0xcc/0xe4 [ 73.178824][ T5439] el0t_64_sync+0x1a0/0x1a4 [ 73.205414][ T5439] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.207479][ T5439] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.212886][ T5441] loop4: detected capacity change from 0 to 32768 [ 73.245260][ T136] device veth1_macvtap left promiscuous mode [ 73.246268][ T136] device veth0_macvtap left promiscuous mode [ 73.247267][ T136] device veth1_vlan left promiscuous mode [ 73.248204][ T136] device veth0_vlan left promiscuous mode [ 73.258216][ T5441] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.259474][ T5441] CPU: 1 PID: 5441 Comm: syz.4.32 Not tainted syzkaller #0 [ 73.260595][ T5441] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 73.262112][ T5441] Call trace: [ 73.262587][ T5441] dump_backtrace+0x0/0x458 [ 73.263348][ T5441] show_stack+0x2c/0x3c [ 73.264029][ T5441] __dump_stack+0x30/0x40 [ 73.264693][ T5441] dump_stack_lvl+0xf4/0x15c [ 73.265454][ T5441] dump_stack+0x1c/0x5c [ 73.266153][ T5441] sysfs_create_dir_ns+0x244/0x264 [ 73.267016][ T5441] kobject_add_internal+0x5ac/0xc3c [ 73.267898][ T5441] kobject_init_and_add+0x124/0x190 [ 73.268713][ T5441] gfs2_sys_fs_add+0x200/0x41c [ 73.269454][ T5441] gfs2_fill_super+0xddc/0x1a18 [ 73.270188][ T5441] get_tree_bdev+0x358/0x544 [ 73.270919][ T5441] gfs2_get_tree+0x54/0x1b4 [ 73.271609][ T5441] vfs_get_tree+0x90/0x274 [ 73.272311][ T5441] do_new_mount+0x228/0x810 [ 73.273077][ T5441] path_mount+0x5bc/0x1008 [ 73.273759][ T5441] __arm64_sys_mount+0x514/0x5f0 [ 73.274561][ T5441] invoke_syscall+0x98/0x2b0 [ 73.275411][ T5441] el0_svc_common+0x138/0x258 [ 73.276206][ T5441] do_el0_svc+0x58/0x13c [ 73.276932][ T5441] el0_svc+0x78/0x1d0 [ 73.277562][ T5441] el0t_64_sync_handler+0xcc/0xe4 [ 73.278346][ T5441] el0t_64_sync+0x1a0/0x1a4 [ 73.312431][ T5441] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.314550][ T5441] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.316291][ T5427] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.317418][ T5427] CPU: 0 PID: 5427 Comm: syz.0.30 Not tainted syzkaller #0 [ 73.318487][ T5427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 73.320072][ T5427] Call trace: [ 73.320571][ T5427] dump_backtrace+0x0/0x458 [ 73.321247][ T5427] show_stack+0x2c/0x3c [ 73.321873][ T5427] __dump_stack+0x30/0x40 [ 73.322520][ T5427] dump_stack_lvl+0xf4/0x15c [ 73.323217][ T5427] dump_stack+0x1c/0x5c [ 73.323838][ T5427] sysfs_create_dir_ns+0x244/0x264 [ 73.324662][ T5427] kobject_add_internal+0x5ac/0xc3c [ 73.325513][ T5427] kobject_init_and_add+0x124/0x190 [ 73.326393][ T5427] gfs2_sys_fs_add+0x200/0x41c [ 73.327118][ T5427] gfs2_fill_super+0xddc/0x1a18 [ 73.327934][ T5427] get_tree_bdev+0x358/0x544 [ 73.328753][ T5427] gfs2_get_tree+0x54/0x1b4 [ 73.329486][ T5427] vfs_get_tree+0x90/0x274 [ 73.330208][ T5427] do_new_mount+0x228/0x810 [ 73.330855][ T5427] path_mount+0x5bc/0x1008 [ 73.331495][ T5427] __arm64_sys_mount+0x514/0x5f0 [ 73.332227][ T5427] invoke_syscall+0x98/0x2b0 [ 73.333022][ T5427] el0_svc_common+0x138/0x258 [ 73.333830][ T5427] do_el0_svc+0x58/0x13c [ 73.334537][ T5427] el0_svc+0x78/0x1d0 [ 73.335237][ T5427] el0t_64_sync_handler+0xcc/0xe4 [ 73.336088][ T5427] el0t_64_sync+0x1a0/0x1a4 [ 73.386600][ T5427] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.390916][ T5427] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.510846][ T136] team0 (unregistering): Port device team_slave_1 removed [ 73.525498][ T136] team0 (unregistering): Port device team_slave_0 removed [ 73.529128][ T5439] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.530446][ T5439] CPU: 0 PID: 5439 Comm: syz.3.31 Not tainted syzkaller #0 [ 73.531624][ T5439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 73.533230][ T5439] Call trace: [ 73.533786][ T5439] dump_backtrace+0x0/0x458 [ 73.534559][ T5439] show_stack+0x2c/0x3c [ 73.535193][ T5439] __dump_stack+0x30/0x40 [ 73.535810][ T5439] dump_stack_lvl+0xf4/0x15c [ 73.536476][ T5439] dump_stack+0x1c/0x5c [ 73.537131][ T5439] sysfs_create_dir_ns+0x244/0x264 [ 73.538032][ T5439] kobject_add_internal+0x5ac/0xc3c [ 73.538918][ T5439] kobject_init_and_add+0x124/0x190 [ 73.539700][ T5439] gfs2_sys_fs_add+0x200/0x41c [ 73.540494][ T5439] gfs2_fill_super+0xddc/0x1a18 [ 73.541322][ T5439] get_tree_bdev+0x358/0x544 [ 73.542081][ T5439] gfs2_get_tree+0x54/0x1b4 [ 73.542788][ T5439] vfs_get_tree+0x90/0x274 [ 73.543473][ T5439] do_new_mount+0x228/0x810 [ 73.544291][ T5439] path_mount+0x5bc/0x1008 [ 73.545012][ T5439] __arm64_sys_mount+0x514/0x5f0 [ 73.545843][ T5439] invoke_syscall+0x98/0x2b0 [ 73.546564][ T5439] el0_svc_common+0x138/0x258 [ 73.547382][ T5439] do_el0_svc+0x58/0x13c [ 73.548090][ T5439] el0_svc+0x78/0x1d0 [ 73.548753][ T5439] el0t_64_sync_handler+0xcc/0xe4 [ 73.549601][ T5439] el0t_64_sync+0x1a0/0x1a4 [ 73.561285][ T136] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 73.566011][ T5419] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.567155][ T5419] CPU: 1 PID: 5419 Comm: syz.2.29 Not tainted syzkaller #0 [ 73.568168][ T5419] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 73.569743][ T5419] Call trace: [ 73.570236][ T5419] dump_backtrace+0x0/0x458 [ 73.570889][ T5419] show_stack+0x2c/0x3c [ 73.571528][ T5419] __dump_stack+0x30/0x40 [ 73.572243][ T5419] dump_stack_lvl+0xf4/0x15c [ 73.573060][ T5419] dump_stack+0x1c/0x5c [ 73.573745][ T5419] sysfs_create_dir_ns+0x244/0x264 [ 73.574572][ T5419] kobject_add_internal+0x5ac/0xc3c [ 73.575353][ T5419] kobject_init_and_add+0x124/0x190 [ 73.576211][ T5419] gfs2_sys_fs_add+0x200/0x41c [ 73.576961][ T5419] gfs2_fill_super+0xddc/0x1a18 [ 73.577691][ T5419] get_tree_bdev+0x358/0x544 [ 73.578466][ T5419] gfs2_get_tree+0x54/0x1b4 [ 73.579164][ T5419] vfs_get_tree+0x90/0x274 [ 73.579892][ T5419] do_new_mount+0x228/0x810 [ 73.580611][ T5419] path_mount+0x5bc/0x1008 [ 73.581328][ T5419] __arm64_sys_mount+0x514/0x5f0 [ 73.582102][ T5419] invoke_syscall+0x98/0x2b0 [ 73.582888][ T5419] el0_svc_common+0x138/0x258 [ 73.583648][ T5419] do_el0_svc+0x58/0x13c [ 73.584334][ T5419] el0_svc+0x78/0x1d0 [ 73.585021][ T5419] el0t_64_sync_handler+0xcc/0xe4 [ 73.585825][ T5419] el0t_64_sync+0x1a0/0x1a4 [ 73.587160][ T5439] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.589153][ T5439] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.604897][ T5419] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.610014][ T5419] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.611224][ T136] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 73.648649][ T5441] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.649871][ T5441] CPU: 1 PID: 5441 Comm: syz.4.32 Not tainted syzkaller #0 [ 73.650999][ T5441] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 73.652685][ T5441] Call trace: [ 73.653234][ T5441] dump_backtrace+0x0/0x458 [ 73.654028][ T5441] show_stack+0x2c/0x3c [ 73.654717][ T5441] __dump_stack+0x30/0x40 [ 73.655465][ T5441] dump_stack_lvl+0xf4/0x15c [ 73.656261][ T5441] dump_stack+0x1c/0x5c [ 73.656977][ T5441] sysfs_create_dir_ns+0x244/0x264 [ 73.657780][ T5441] kobject_add_internal+0x5ac/0xc3c [ 73.658607][ T5441] kobject_init_and_add+0x124/0x190 [ 73.659441][ T5441] gfs2_sys_fs_add+0x200/0x41c [ 73.660276][ T5441] gfs2_fill_super+0xddc/0x1a18 [ 73.661107][ T5441] get_tree_bdev+0x358/0x544 [ 73.661844][ T5441] gfs2_get_tree+0x54/0x1b4 [ 73.662583][ T5441] vfs_get_tree+0x90/0x274 [ 73.663353][ T5441] do_new_mount+0x228/0x810 [ 73.664069][ T5441] path_mount+0x5bc/0x1008 [ 73.664783][ T5441] __arm64_sys_mount+0x514/0x5f0 [ 73.665611][ T5441] invoke_syscall+0x98/0x2b0 [ 73.666440][ T5441] el0_svc_common+0x138/0x258 [ 73.667213][ T5441] do_el0_svc+0x58/0x13c [ 73.667936][ T5441] el0_svc+0x78/0x1d0 [ 73.668571][ T5441] el0t_64_sync_handler+0xcc/0xe4 [ 73.669430][ T5441] el0t_64_sync+0x1a0/0x1a4 [ 73.718239][ T5441] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.720377][ T5441] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.737597][ T136] bond0 (unregistering): Released all slaves [ 73.739262][ T5443] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.740380][ T5443] CPU: 0 PID: 5443 Comm: syz.0.33 Not tainted syzkaller #0 [ 73.741522][ T5443] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 73.743213][ T5443] Call trace: [ 73.743733][ T5443] dump_backtrace+0x0/0x458 [ 73.744468][ T5443] show_stack+0x2c/0x3c [ 73.745156][ T5443] __dump_stack+0x30/0x40 [ 73.745904][ T5443] dump_stack_lvl+0xf4/0x15c [ 73.746620][ T5443] dump_stack+0x1c/0x5c [ 73.747366][ T5443] sysfs_create_dir_ns+0x244/0x264 [ 73.748203][ T5443] kobject_add_internal+0x5ac/0xc3c [ 73.749036][ T5443] kobject_init_and_add+0x124/0x190 [ 73.749829][ T5443] gfs2_sys_fs_add+0x200/0x41c [ 73.750557][ T5443] gfs2_fill_super+0xddc/0x1a18 [ 73.751296][ T5443] get_tree_bdev+0x358/0x544 [ 73.751979][ T5443] gfs2_get_tree+0x54/0x1b4 [ 73.752664][ T5443] vfs_get_tree+0x90/0x274 [ 73.753332][ T5443] do_new_mount+0x228/0x810 [ 73.753999][ T5443] path_mount+0x5bc/0x1008 [ 73.754646][ T5443] __arm64_sys_mount+0x514/0x5f0 [ 73.755347][ T5443] invoke_syscall+0x98/0x2b0 [ 73.755980][ T5443] el0_svc_common+0x138/0x258 [ 73.756631][ T5443] do_el0_svc+0x58/0x13c [ 73.757263][ T5443] el0_svc+0x78/0x1d0 [ 73.757914][ T5443] el0t_64_sync_handler+0xcc/0xe4 [ 73.758610][ T5443] el0t_64_sync+0x1a0/0x1a4 [ 73.795577][ T5443] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.800571][ T5443] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.858532][ T5445] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.859782][ T5445] CPU: 0 PID: 5445 Comm: syz.3.34 Not tainted syzkaller #0 [ 73.860914][ T5445] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 73.862527][ T5445] Call trace: [ 73.863035][ T5445] dump_backtrace+0x0/0x458 [ 73.863770][ T5445] show_stack+0x2c/0x3c [ 73.864439][ T5445] __dump_stack+0x30/0x40 [ 73.865086][ T5445] dump_stack_lvl+0xf4/0x15c [ 73.865790][ T5445] dump_stack+0x1c/0x5c [ 73.866431][ T5445] sysfs_create_dir_ns+0x244/0x264 [ 73.867204][ T5445] kobject_add_internal+0x5ac/0xc3c [ 73.868016][ T5445] kobject_init_and_add+0x124/0x190 [ 73.868811][ T5445] gfs2_sys_fs_add+0x200/0x41c [ 73.869525][ T5445] gfs2_fill_super+0xddc/0x1a18 [ 73.870244][ T5445] get_tree_bdev+0x358/0x544 [ 73.870987][ T5445] gfs2_get_tree+0x54/0x1b4 [ 73.871662][ T5445] vfs_get_tree+0x90/0x274 [ 73.872322][ T5445] do_new_mount+0x228/0x810 [ 73.873031][ T5445] path_mount+0x5bc/0x1008 [ 73.873663][ T5445] __arm64_sys_mount+0x514/0x5f0 [ 73.874383][ T5445] invoke_syscall+0x98/0x2b0 [ 73.875059][ T5445] el0_svc_common+0x138/0x258 [ 73.875815][ T5445] do_el0_svc+0x58/0x13c [ 73.876484][ T5445] el0_svc+0x78/0x1d0 [ 73.877116][ T5445] el0t_64_sync_handler+0xcc/0xe4 [ 73.877874][ T5445] el0t_64_sync+0x1a0/0x1a4 [ 73.945763][ T5445] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.947902][ T5445] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.952113][ T5447] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.953359][ T5447] CPU: 1 PID: 5447 Comm: syz.2.35 Not tainted syzkaller #0 [ 73.954444][ T5447] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 73.956067][ T5447] Call trace: [ 73.956568][ T5447] dump_backtrace+0x0/0x458 [ 73.957309][ T5447] show_stack+0x2c/0x3c [ 73.958014][ T5447] __dump_stack+0x30/0x40 [ 73.958724][ T5447] dump_stack_lvl+0xf4/0x15c [ 73.959427][ T5447] dump_stack+0x1c/0x5c [ 73.960071][ T5447] sysfs_create_dir_ns+0x244/0x264 [ 73.960884][ T5447] kobject_add_internal+0x5ac/0xc3c [ 73.961761][ T5447] kobject_init_and_add+0x124/0x190 [ 73.962564][ T5447] gfs2_sys_fs_add+0x200/0x41c [ 73.963358][ T5447] gfs2_fill_super+0xddc/0x1a18 [ 73.964132][ T5447] get_tree_bdev+0x358/0x544 [ 73.964891][ T5447] gfs2_get_tree+0x54/0x1b4 [ 73.965554][ T5447] vfs_get_tree+0x90/0x274 [ 73.966287][ T5447] do_new_mount+0x228/0x810 [ 73.967065][ T5447] path_mount+0x5bc/0x1008 [ 73.967795][ T5447] __arm64_sys_mount+0x514/0x5f0 [ 73.968635][ T5447] invoke_syscall+0x98/0x2b0 [ 73.969445][ T5447] el0_svc_common+0x138/0x258 [ 73.970234][ T5447] do_el0_svc+0x58/0x13c [ 73.970929][ T5447] el0_svc+0x78/0x1d0 [ 73.971641][ T5447] el0t_64_sync_handler+0xcc/0xe4 [ 73.972406][ T5447] el0t_64_sync+0x1a0/0x1a4 [ 74.003867][ T5447] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.006298][ T5447] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.048004][ T5449] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.049366][ T5449] CPU: 0 PID: 5449 Comm: syz.4.36 Not tainted syzkaller #0 [ 74.050570][ T5449] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.052296][ T5449] Call trace: [ 74.052811][ T5449] dump_backtrace+0x0/0x458 [ 74.053771][ T5449] show_stack+0x2c/0x3c [ 74.054411][ T5449] __dump_stack+0x30/0x40 [ 74.055161][ T5449] dump_stack_lvl+0xf4/0x15c [ 74.055917][ T5449] dump_stack+0x1c/0x5c [ 74.056632][ T5449] sysfs_create_dir_ns+0x244/0x264 [ 74.057566][ T5449] kobject_add_internal+0x5ac/0xc3c [ 74.058436][ T5449] kobject_init_and_add+0x124/0x190 [ 74.059257][ T5449] gfs2_sys_fs_add+0x200/0x41c [ 74.060081][ T5449] gfs2_fill_super+0xddc/0x1a18 [ 74.060930][ T5449] get_tree_bdev+0x358/0x544 [ 74.061717][ T5449] gfs2_get_tree+0x54/0x1b4 [ 74.062426][ T5449] vfs_get_tree+0x90/0x274 [ 74.063137][ T5449] do_new_mount+0x228/0x810 [ 74.063842][ T5449] path_mount+0x5bc/0x1008 [ 74.064533][ T5449] __arm64_sys_mount+0x514/0x5f0 [ 74.065283][ T5449] invoke_syscall+0x98/0x2b0 [ 74.065969][ T5449] el0_svc_common+0x138/0x258 [ 74.066686][ T5449] do_el0_svc+0x58/0x13c [ 74.067350][ T5449] el0_svc+0x78/0x1d0 [ 74.067923][ T5449] el0t_64_sync_handler+0xcc/0xe4 [ 74.068698][ T5449] el0t_64_sync+0x1a0/0x1a4 [ 74.105382][ T5449] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.107508][ T5449] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.215431][ T5443] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.216632][ T5443] CPU: 0 PID: 5443 Comm: syz.0.33 Not tainted syzkaller #0 [ 74.217857][ T5443] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.219573][ T5443] Call trace: [ 74.220114][ T5443] dump_backtrace+0x0/0x458 [ 74.220871][ T5443] show_stack+0x2c/0x3c [ 74.221593][ T5443] __dump_stack+0x30/0x40 [ 74.222301][ T5443] dump_stack_lvl+0xf4/0x15c [ 74.223019][ T5443] dump_stack+0x1c/0x5c [ 74.223675][ T5443] sysfs_create_dir_ns+0x244/0x264 [ 74.224468][ T5443] kobject_add_internal+0x5ac/0xc3c [ 74.225304][ T5443] kobject_init_and_add+0x124/0x190 [ 74.226117][ T5443] gfs2_sys_fs_add+0x200/0x41c [ 74.226845][ T5443] gfs2_fill_super+0xddc/0x1a18 [ 74.227632][ T5443] get_tree_bdev+0x358/0x544 [ 74.228334][ T5443] gfs2_get_tree+0x54/0x1b4 [ 74.229015][ T5443] vfs_get_tree+0x90/0x274 [ 74.229697][ T5443] do_new_mount+0x228/0x810 [ 74.230455][ T5443] path_mount+0x5bc/0x1008 [ 74.231188][ T5443] __arm64_sys_mount+0x514/0x5f0 [ 74.231878][ T5443] invoke_syscall+0x98/0x2b0 [ 74.232537][ T5443] el0_svc_common+0x138/0x258 [ 74.233305][ T5443] do_el0_svc+0x58/0x13c [ 74.233986][ T5443] el0_svc+0x78/0x1d0 [ 74.234652][ T5443] el0t_64_sync_handler+0xcc/0xe4 [ 74.235451][ T5443] el0t_64_sync+0x1a0/0x1a4 [ 74.267064][ T5443] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.269336][ T5443] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.380333][ T5447] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.381417][ T5447] CPU: 1 PID: 5447 Comm: syz.2.35 Not tainted syzkaller #0 [ 74.382521][ T5447] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.384235][ T5447] Call trace: [ 74.384799][ T5447] dump_backtrace+0x0/0x458 [ 74.385505][ T5447] show_stack+0x2c/0x3c [ 74.386201][ T5447] __dump_stack+0x30/0x40 [ 74.386940][ T5447] dump_stack_lvl+0xf4/0x15c [ 74.387657][ T5447] dump_stack+0x1c/0x5c [ 74.388351][ T5447] sysfs_create_dir_ns+0x244/0x264 [ 74.389185][ T5447] kobject_add_internal+0x5ac/0xc3c [ 74.390096][ T5447] kobject_init_and_add+0x124/0x190 [ 74.390922][ T5447] gfs2_sys_fs_add+0x200/0x41c [ 74.391714][ T5447] gfs2_fill_super+0xddc/0x1a18 [ 74.392519][ T5447] get_tree_bdev+0x358/0x544 [ 74.393293][ T5447] gfs2_get_tree+0x54/0x1b4 [ 74.394053][ T5447] vfs_get_tree+0x90/0x274 [ 74.394808][ T5447] do_new_mount+0x228/0x810 [ 74.395524][ T5447] path_mount+0x5bc/0x1008 [ 74.396226][ T5447] __arm64_sys_mount+0x514/0x5f0 [ 74.397003][ T5447] invoke_syscall+0x98/0x2b0 [ 74.397764][ T5447] el0_svc_common+0x138/0x258 [ 74.398584][ T5447] do_el0_svc+0x58/0x13c [ 74.399313][ T5447] el0_svc+0x78/0x1d0 [ 74.399994][ T5447] el0t_64_sync_handler+0xcc/0xe4 [ 74.400751][ T5447] el0t_64_sync+0x1a0/0x1a4 [ 74.408169][ T5449] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.409482][ T5449] CPU: 0 PID: 5449 Comm: syz.4.36 Not tainted syzkaller #0 [ 74.410616][ T5449] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.412196][ T5449] Call trace: [ 74.412689][ T5449] dump_backtrace+0x0/0x458 [ 74.413395][ T5449] show_stack+0x2c/0x3c [ 74.414038][ T5449] __dump_stack+0x30/0x40 [ 74.414756][ T5449] dump_stack_lvl+0xf4/0x15c [ 74.415489][ T5449] dump_stack+0x1c/0x5c [ 74.416159][ T5449] sysfs_create_dir_ns+0x244/0x264 [ 74.416957][ T5449] kobject_add_internal+0x5ac/0xc3c [ 74.417767][ T5449] kobject_init_and_add+0x124/0x190 [ 74.418583][ T5449] gfs2_sys_fs_add+0x200/0x41c [ 74.419349][ T5449] gfs2_fill_super+0xddc/0x1a18 [ 74.420112][ T5449] get_tree_bdev+0x358/0x544 [ 74.420895][ T5449] gfs2_get_tree+0x54/0x1b4 [ 74.421600][ T5449] vfs_get_tree+0x90/0x274 [ 74.422296][ T5449] do_new_mount+0x228/0x810 [ 74.423038][ T5449] path_mount+0x5bc/0x1008 [ 74.423742][ T5449] __arm64_sys_mount+0x514/0x5f0 [ 74.424531][ T5449] invoke_syscall+0x98/0x2b0 [ 74.425263][ T5449] el0_svc_common+0x138/0x258 [ 74.426111][ T5449] do_el0_svc+0x58/0x13c [ 74.426856][ T5449] el0_svc+0x78/0x1d0 [ 74.427479][ T5449] el0t_64_sync_handler+0xcc/0xe4 [ 74.428269][ T5449] el0t_64_sync+0x1a0/0x1a4 [ 74.428806][ T5447] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.434540][ T5447] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.448549][ T5445] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.449774][ T5445] CPU: 1 PID: 5445 Comm: syz.3.34 Not tainted syzkaller #0 [ 74.450974][ T5445] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.452570][ T5445] Call trace: [ 74.453100][ T5445] dump_backtrace+0x0/0x458 [ 74.453871][ T5445] show_stack+0x2c/0x3c [ 74.454588][ T5445] __dump_stack+0x30/0x40 [ 74.455282][ T5445] dump_stack_lvl+0xf4/0x15c [ 74.455993][ T5445] dump_stack+0x1c/0x5c [ 74.456651][ T5445] sysfs_create_dir_ns+0x244/0x264 [ 74.457540][ T5445] kobject_add_internal+0x5ac/0xc3c [ 74.458367][ T5445] kobject_init_and_add+0x124/0x190 [ 74.459201][ T5445] gfs2_sys_fs_add+0x200/0x41c [ 74.459971][ T5445] gfs2_fill_super+0xddc/0x1a18 [ 74.460779][ T5445] get_tree_bdev+0x358/0x544 [ 74.461543][ T5445] gfs2_get_tree+0x54/0x1b4 [ 74.462350][ T5445] vfs_get_tree+0x90/0x274 [ 74.463126][ T5445] do_new_mount+0x228/0x810 [ 74.463855][ T5445] path_mount+0x5bc/0x1008 [ 74.464567][ T5445] __arm64_sys_mount+0x514/0x5f0 [ 74.465375][ T5445] invoke_syscall+0x98/0x2b0 [ 74.466136][ T5445] el0_svc_common+0x138/0x258 [ 74.466858][ T5445] do_el0_svc+0x58/0x13c [ 74.467546][ T5445] el0_svc+0x78/0x1d0 [ 74.468176][ T5445] el0t_64_sync_handler+0xcc/0xe4 [ 74.468984][ T5445] el0t_64_sync+0x1a0/0x1a4 [ 74.470331][ T5449] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.472308][ T5449] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.537045][ T5445] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.539172][ T5445] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.645462][ T5474] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.646693][ T5474] CPU: 0 PID: 5474 Comm: syz.0.37 Not tainted syzkaller #0 [ 74.647868][ T5474] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.649443][ T5474] Call trace: [ 74.649968][ T5474] dump_backtrace+0x0/0x458 [ 74.650667][ T5474] show_stack+0x2c/0x3c [ 74.651306][ T5474] __dump_stack+0x30/0x40 [ 74.651990][ T5474] dump_stack_lvl+0xf4/0x15c [ 74.652836][ T5474] dump_stack+0x1c/0x5c [ 74.653519][ T5474] sysfs_create_dir_ns+0x244/0x264 [ 74.654340][ T5474] kobject_add_internal+0x5ac/0xc3c [ 74.655228][ T5474] kobject_init_and_add+0x124/0x190 [ 74.656187][ T5474] gfs2_sys_fs_add+0x200/0x41c [ 74.656960][ T5474] gfs2_fill_super+0xddc/0x1a18 [ 74.657708][ T5474] get_tree_bdev+0x358/0x544 [ 74.658463][ T5474] gfs2_get_tree+0x54/0x1b4 [ 74.659266][ T5474] vfs_get_tree+0x90/0x274 [ 74.660025][ T5474] do_new_mount+0x228/0x810 [ 74.660791][ T5474] path_mount+0x5bc/0x1008 [ 74.661471][ T5474] __arm64_sys_mount+0x514/0x5f0 [ 74.662211][ T5474] invoke_syscall+0x98/0x2b0 [ 74.662958][ T5474] el0_svc_common+0x138/0x258 [ 74.663775][ T5474] do_el0_svc+0x58/0x13c [ 74.664391][ T5474] el0_svc+0x78/0x1d0 [ 74.664987][ T5474] el0t_64_sync_handler+0xcc/0xe4 [ 74.665769][ T5474] el0t_64_sync+0x1a0/0x1a4 [ 74.717331][ T5474] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.729872][ T5474] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.818666][ T5488] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.819920][ T5488] CPU: 0 PID: 5488 Comm: syz.4.39 Not tainted syzkaller #0 [ 74.821056][ T5488] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.822738][ T5488] Call trace: [ 74.823263][ T5488] dump_backtrace+0x0/0x458 [ 74.824019][ T5488] show_stack+0x2c/0x3c [ 74.824723][ T5488] __dump_stack+0x30/0x40 [ 74.825480][ T5488] dump_stack_lvl+0xf4/0x15c [ 74.826238][ T5488] dump_stack+0x1c/0x5c [ 74.826947][ T5488] sysfs_create_dir_ns+0x244/0x264 [ 74.827813][ T5488] kobject_add_internal+0x5ac/0xc3c [ 74.828682][ T5488] kobject_init_and_add+0x124/0x190 [ 74.829613][ T5488] gfs2_sys_fs_add+0x200/0x41c [ 74.830400][ T5488] gfs2_fill_super+0xddc/0x1a18 [ 74.831209][ T5488] get_tree_bdev+0x358/0x544 [ 74.831947][ T5488] gfs2_get_tree+0x54/0x1b4 [ 74.832692][ T5488] vfs_get_tree+0x90/0x274 [ 74.833442][ T5488] do_new_mount+0x228/0x810 [ 74.834171][ T5488] path_mount+0x5bc/0x1008 [ 74.834869][ T5488] __arm64_sys_mount+0x514/0x5f0 [ 74.835659][ T5488] invoke_syscall+0x98/0x2b0 [ 74.836386][ T5488] el0_svc_common+0x138/0x258 [ 74.837123][ T5488] do_el0_svc+0x58/0x13c [ 74.837869][ T5488] el0_svc+0x78/0x1d0 [ 74.838595][ T5488] el0t_64_sync_handler+0xcc/0xe4 [ 74.839441][ T5488] el0t_64_sync+0x1a0/0x1a4 [ 74.842885][ T5488] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.860710][ T5488] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.867973][ T5486] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.869133][ T5486] CPU: 0 PID: 5486 Comm: syz.2.38 Not tainted syzkaller #0 [ 74.870331][ T5486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.872057][ T5486] Call trace: [ 74.872586][ T5486] dump_backtrace+0x0/0x458 [ 74.873314][ T5486] show_stack+0x2c/0x3c [ 74.873978][ T5486] __dump_stack+0x30/0x40 [ 74.874692][ T5486] dump_stack_lvl+0xf4/0x15c [ 74.875443][ T5486] dump_stack+0x1c/0x5c [ 74.876094][ T5486] sysfs_create_dir_ns+0x244/0x264 [ 74.876734][ T5496] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.876890][ T5486] kobject_add_internal+0x5ac/0xc3c [ 74.878846][ T5486] kobject_init_and_add+0x124/0x190 [ 74.879656][ T5486] gfs2_sys_fs_add+0x200/0x41c [ 74.880371][ T5486] gfs2_fill_super+0xddc/0x1a18 [ 74.881155][ T5486] get_tree_bdev+0x358/0x544 [ 74.881967][ T5486] gfs2_get_tree+0x54/0x1b4 [ 74.882702][ T5486] vfs_get_tree+0x90/0x274 [ 74.883461][ T5486] do_new_mount+0x228/0x810 [ 74.884194][ T5486] path_mount+0x5bc/0x1008 [ 74.884909][ T5486] __arm64_sys_mount+0x514/0x5f0 [ 74.885735][ T5486] invoke_syscall+0x98/0x2b0 [ 74.886504][ T5486] el0_svc_common+0x138/0x258 [ 74.887389][ T5486] do_el0_svc+0x58/0x13c [ 74.888091][ T5486] el0_svc+0x78/0x1d0 [ 74.888776][ T5486] el0t_64_sync_handler+0xcc/0xe4 [ 74.889607][ T5486] el0t_64_sync+0x1a0/0x1a4 [ 74.895683][ T5496] CPU: 1 PID: 5496 Comm: syz.3.40 Not tainted syzkaller #0 [ 74.896878][ T5496] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.898435][ T5496] Call trace: [ 74.898959][ T5496] dump_backtrace+0x0/0x458 [ 74.899621][ T5496] show_stack+0x2c/0x3c [ 74.900314][ T5496] __dump_stack+0x30/0x40 [ 74.900976][ T5496] dump_stack_lvl+0xf4/0x15c [ 74.901623][ T5496] dump_stack+0x1c/0x5c [ 74.902244][ T5496] sysfs_create_dir_ns+0x244/0x264 [ 74.903144][ T5496] kobject_add_internal+0x5ac/0xc3c [ 74.903906][ T5496] kobject_init_and_add+0x124/0x190 [ 74.904685][ T5496] gfs2_sys_fs_add+0x200/0x41c [ 74.905419][ T5496] gfs2_fill_super+0xddc/0x1a18 [ 74.906243][ T5496] get_tree_bdev+0x358/0x544 [ 74.907021][ T5496] gfs2_get_tree+0x54/0x1b4 [ 74.907803][ T5496] vfs_get_tree+0x90/0x274 [ 74.908562][ T5496] do_new_mount+0x228/0x810 [ 74.909312][ T5496] path_mount+0x5bc/0x1008 [ 74.910015][ T5496] __arm64_sys_mount+0x514/0x5f0 [ 74.910765][ T5496] invoke_syscall+0x98/0x2b0 [ 74.911321][ T5486] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.911512][ T5496] el0_svc_common+0x138/0x258 [ 74.913579][ T5486] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.914235][ T5496] do_el0_svc+0x58/0x13c [ 74.915996][ T5496] el0_svc+0x78/0x1d0 [ 74.916673][ T5496] el0t_64_sync_handler+0xcc/0xe4 [ 74.917471][ T5496] el0t_64_sync+0x1a0/0x1a4 [ 74.970682][ T5496] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.972707][ T5496] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.181926][ T5474] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.183152][ T5474] CPU: 0 PID: 5474 Comm: syz.0.37 Not tainted syzkaller #0 [ 75.184284][ T5474] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.185953][ T5474] Call trace: [ 75.186470][ T5474] dump_backtrace+0x0/0x458 [ 75.187188][ T5474] show_stack+0x2c/0x3c [ 75.187869][ T5474] __dump_stack+0x30/0x40 [ 75.188654][ T5474] dump_stack_lvl+0xf4/0x15c [ 75.189432][ T5474] dump_stack+0x1c/0x5c [ 75.190123][ T5474] sysfs_create_dir_ns+0x244/0x264 [ 75.191025][ T5474] kobject_add_internal+0x5ac/0xc3c [ 75.191944][ T5474] kobject_init_and_add+0x124/0x190 [ 75.192823][ T5474] gfs2_sys_fs_add+0x200/0x41c [ 75.193637][ T5474] gfs2_fill_super+0xddc/0x1a18 [ 75.194487][ T5474] get_tree_bdev+0x358/0x544 [ 75.195244][ T5474] gfs2_get_tree+0x54/0x1b4 [ 75.196008][ T5474] vfs_get_tree+0x90/0x274 [ 75.196772][ T5474] do_new_mount+0x228/0x810 [ 75.197538][ T5474] path_mount+0x5bc/0x1008 [ 75.198296][ T5474] __arm64_sys_mount+0x514/0x5f0 [ 75.199143][ T5474] invoke_syscall+0x98/0x2b0 [ 75.199921][ T5474] el0_svc_common+0x138/0x258 [ 75.200684][ T5474] do_el0_svc+0x58/0x13c [ 75.201444][ T5474] el0_svc+0x78/0x1d0 [ 75.202094][ T5474] el0t_64_sync_handler+0xcc/0xe4 [ 75.202896][ T5474] el0t_64_sync+0x1a0/0x1a4 [ 75.215664][ T5486] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.216984][ T5486] CPU: 0 PID: 5486 Comm: syz.2.38 Not tainted syzkaller #0 [ 75.218131][ T5486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.219721][ T5486] Call trace: [ 75.220173][ T5486] dump_backtrace+0x0/0x458 [ 75.220918][ T5486] show_stack+0x2c/0x3c [ 75.221660][ T5486] __dump_stack+0x30/0x40 [ 75.222367][ T5486] dump_stack_lvl+0xf4/0x15c [ 75.223080][ T5486] dump_stack+0x1c/0x5c [ 75.223804][ T5486] sysfs_create_dir_ns+0x244/0x264 [ 75.224615][ T5486] kobject_add_internal+0x5ac/0xc3c [ 75.225462][ T5486] kobject_init_and_add+0x124/0x190 [ 75.226298][ T5486] gfs2_sys_fs_add+0x200/0x41c [ 75.227111][ T5486] gfs2_fill_super+0xddc/0x1a18 [ 75.227913][ T5486] get_tree_bdev+0x358/0x544 [ 75.228640][ T5486] gfs2_get_tree+0x54/0x1b4 [ 75.229320][ T5486] vfs_get_tree+0x90/0x274 [ 75.230007][ T5486] do_new_mount+0x228/0x810 [ 75.230787][ T5486] path_mount+0x5bc/0x1008 [ 75.231584][ T5486] __arm64_sys_mount+0x514/0x5f0 [ 75.232421][ T5486] invoke_syscall+0x98/0x2b0 [ 75.233218][ T5486] el0_svc_common+0x138/0x258 [ 75.234037][ T5486] do_el0_svc+0x58/0x13c [ 75.234836][ T5486] el0_svc+0x78/0x1d0 [ 75.235495][ T5486] el0t_64_sync_handler+0xcc/0xe4 [ 75.236348][ T5486] el0t_64_sync+0x1a0/0x1a4 [ 75.262329][ T5474] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.264464][ T5474] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.280573][ T5486] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.283002][ T5486] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:01:15 executed programs: 36 [ 75.366907][ T5488] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.366908][ T5496] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.366922][ T5488] CPU: 0 PID: 5488 Comm: syz.4.39 Not tainted syzkaller #0 [ 75.370493][ T5488] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.372178][ T5488] Call trace: [ 75.372673][ T5488] dump_backtrace+0x0/0x458 [ 75.373357][ T5488] show_stack+0x2c/0x3c [ 75.374008][ T5488] __dump_stack+0x30/0x40 [ 75.374676][ T5488] dump_stack_lvl+0xf4/0x15c [ 75.375486][ T5488] dump_stack+0x1c/0x5c [ 75.376110][ T5488] sysfs_create_dir_ns+0x244/0x264 [ 75.376868][ T5488] kobject_add_internal+0x5ac/0xc3c [ 75.377667][ T5488] kobject_init_and_add+0x124/0x190 [ 75.378393][ T5488] gfs2_sys_fs_add+0x200/0x41c [ 75.379073][ T5488] gfs2_fill_super+0xddc/0x1a18 [ 75.379793][ T5488] get_tree_bdev+0x358/0x544 [ 75.380476][ T5488] gfs2_get_tree+0x54/0x1b4 [ 75.381147][ T5488] vfs_get_tree+0x90/0x274 [ 75.381886][ T5488] do_new_mount+0x228/0x810 [ 75.382666][ T5488] path_mount+0x5bc/0x1008 [ 75.383417][ T5488] __arm64_sys_mount+0x514/0x5f0 [ 75.384274][ T5488] invoke_syscall+0x98/0x2b0 [ 75.385015][ T5488] el0_svc_common+0x138/0x258 [ 75.385776][ T5488] do_el0_svc+0x58/0x13c [ 75.386487][ T5488] el0_svc+0x78/0x1d0 [ 75.387104][ T5488] el0t_64_sync_handler+0xcc/0xe4 [ 75.387984][ T5488] el0t_64_sync+0x1a0/0x1a4 [ 75.402807][ T5496] CPU: 1 PID: 5496 Comm: syz.3.40 Not tainted syzkaller #0 [ 75.404004][ T5496] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.405656][ T5496] Call trace: [ 75.406179][ T5496] dump_backtrace+0x0/0x458 [ 75.406909][ T5496] show_stack+0x2c/0x3c [ 75.407625][ T5496] __dump_stack+0x30/0x40 [ 75.408391][ T5496] dump_stack_lvl+0xf4/0x15c [ 75.409074][ T5496] dump_stack+0x1c/0x5c [ 75.409715][ T5496] sysfs_create_dir_ns+0x244/0x264 [ 75.410540][ T5496] kobject_add_internal+0x5ac/0xc3c [ 75.411370][ T5496] kobject_init_and_add+0x124/0x190 [ 75.412262][ T5496] gfs2_sys_fs_add+0x200/0x41c [ 75.412999][ T5496] gfs2_fill_super+0xddc/0x1a18 [ 75.413784][ T5496] get_tree_bdev+0x358/0x544 [ 75.414511][ T5496] gfs2_get_tree+0x54/0x1b4 [ 75.415247][ T5496] vfs_get_tree+0x90/0x274 [ 75.415961][ T5496] do_new_mount+0x228/0x810 [ 75.416687][ T5496] path_mount+0x5bc/0x1008 [ 75.417397][ T5496] __arm64_sys_mount+0x514/0x5f0 [ 75.418184][ T5496] invoke_syscall+0x98/0x2b0 [ 75.418904][ T5496] el0_svc_common+0x138/0x258 [ 75.419630][ T5496] do_el0_svc+0x58/0x13c [ 75.420367][ T5496] el0_svc+0x78/0x1d0 [ 75.421037][ T5496] el0t_64_sync_handler+0xcc/0xe4 [ 75.421856][ T5496] el0t_64_sync+0x1a0/0x1a4 [ 75.435504][ T5488] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.437539][ T5488] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.489448][ T5496] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.491539][ T5496] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.637429][ T5538] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.638558][ T5538] CPU: 0 PID: 5538 Comm: syz.2.42 Not tainted syzkaller #0 [ 75.639737][ T5538] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.641319][ T5538] Call trace: [ 75.641836][ T5538] dump_backtrace+0x0/0x458 [ 75.642586][ T5538] show_stack+0x2c/0x3c [ 75.643221][ T5538] __dump_stack+0x30/0x40 [ 75.643848][ T5538] dump_stack_lvl+0xf4/0x15c [ 75.644567][ T5538] dump_stack+0x1c/0x5c [ 75.645283][ T5538] sysfs_create_dir_ns+0x244/0x264 [ 75.646192][ T5538] kobject_add_internal+0x5ac/0xc3c [ 75.647105][ T5538] kobject_init_and_add+0x124/0x190 [ 75.648002][ T5538] gfs2_sys_fs_add+0x200/0x41c [ 75.648756][ T5538] gfs2_fill_super+0xddc/0x1a18 [ 75.649517][ T5538] get_tree_bdev+0x358/0x544 [ 75.650209][ T5538] gfs2_get_tree+0x54/0x1b4 [ 75.650896][ T5538] vfs_get_tree+0x90/0x274 [ 75.651590][ T5538] do_new_mount+0x228/0x810 [ 75.652319][ T5538] path_mount+0x5bc/0x1008 [ 75.653032][ T5538] __arm64_sys_mount+0x514/0x5f0 [ 75.653838][ T5538] invoke_syscall+0x98/0x2b0 [ 75.654703][ T5538] el0_svc_common+0x138/0x258 [ 75.655470][ T5538] do_el0_svc+0x58/0x13c [ 75.656186][ T5538] el0_svc+0x78/0x1d0 [ 75.656903][ T5538] el0t_64_sync_handler+0xcc/0xe4 [ 75.657818][ T5538] el0t_64_sync+0x1a0/0x1a4 [ 75.660174][ T5542] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.661391][ T5542] CPU: 0 PID: 5542 Comm: syz.0.41 Not tainted syzkaller #0 [ 75.662515][ T5542] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.664059][ T5542] Call trace: [ 75.664612][ T5542] dump_backtrace+0x0/0x458 [ 75.665403][ T5542] show_stack+0x2c/0x3c [ 75.666128][ T5542] __dump_stack+0x30/0x40 [ 75.666822][ T5542] dump_stack_lvl+0xf4/0x15c [ 75.667575][ T5542] dump_stack+0x1c/0x5c [ 75.668257][ T5542] sysfs_create_dir_ns+0x244/0x264 [ 75.669098][ T5542] kobject_add_internal+0x5ac/0xc3c [ 75.669961][ T5542] kobject_init_and_add+0x124/0x190 [ 75.670866][ T5542] gfs2_sys_fs_add+0x200/0x41c [ 75.671664][ T5542] gfs2_fill_super+0xddc/0x1a18 [ 75.672462][ T5542] get_tree_bdev+0x358/0x544 [ 75.673239][ T5542] gfs2_get_tree+0x54/0x1b4 [ 75.673954][ T5542] vfs_get_tree+0x90/0x274 [ 75.674723][ T5542] do_new_mount+0x228/0x810 [ 75.675483][ T5542] path_mount+0x5bc/0x1008 [ 75.676288][ T5542] __arm64_sys_mount+0x514/0x5f0 [ 75.677101][ T5542] invoke_syscall+0x98/0x2b0 [ 75.677865][ T5542] el0_svc_common+0x138/0x258 [ 75.678617][ T5542] do_el0_svc+0x58/0x13c [ 75.679262][ T5542] el0_svc+0x78/0x1d0 [ 75.679940][ T5542] el0t_64_sync_handler+0xcc/0xe4 [ 75.680763][ T5542] el0t_64_sync+0x1a0/0x1a4 [ 75.703737][ T5542] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.707023][ T5538] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.709042][ T5538] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.719299][ T5542] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.859477][ T5552] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.860597][ T5552] CPU: 1 PID: 5552 Comm: syz.3.44 Not tainted syzkaller #0 [ 75.861741][ T5552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.863213][ T5552] Call trace: [ 75.863702][ T5552] dump_backtrace+0x0/0x458 [ 75.864381][ T5552] show_stack+0x2c/0x3c [ 75.865106][ T5552] __dump_stack+0x30/0x40 [ 75.865816][ T5552] dump_stack_lvl+0xf4/0x15c [ 75.866589][ T5552] dump_stack+0x1c/0x5c [ 75.867279][ T5552] sysfs_create_dir_ns+0x244/0x264 [ 75.868191][ T5552] kobject_add_internal+0x5ac/0xc3c [ 75.868980][ T5552] kobject_init_and_add+0x124/0x190 [ 75.869834][ T5552] gfs2_sys_fs_add+0x200/0x41c [ 75.870603][ T5552] gfs2_fill_super+0xddc/0x1a18 [ 75.871362][ T5552] get_tree_bdev+0x358/0x544 [ 75.872053][ T5552] gfs2_get_tree+0x54/0x1b4 [ 75.872748][ T5552] vfs_get_tree+0x90/0x274 [ 75.873419][ T5552] do_new_mount+0x228/0x810 [ 75.874206][ T5552] path_mount+0x5bc/0x1008 [ 75.874953][ T5552] __arm64_sys_mount+0x514/0x5f0 [ 75.875723][ T5552] invoke_syscall+0x98/0x2b0 [ 75.876426][ T5552] el0_svc_common+0x138/0x258 [ 75.877192][ T5552] do_el0_svc+0x58/0x13c [ 75.877893][ T5552] el0_svc+0x78/0x1d0 [ 75.878556][ T5552] el0t_64_sync_handler+0xcc/0xe4 [ 75.879394][ T5552] el0t_64_sync+0x1a0/0x1a4 [ 75.882619][ T5546] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.883728][ T5546] CPU: 1 PID: 5546 Comm: syz.4.43 Not tainted syzkaller #0 [ 75.884915][ T5546] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.886495][ T5546] Call trace: [ 75.886983][ T5546] dump_backtrace+0x0/0x458 [ 75.887683][ T5546] show_stack+0x2c/0x3c [ 75.888275][ T5546] __dump_stack+0x30/0x40 [ 75.888907][ T5546] dump_stack_lvl+0xf4/0x15c [ 75.889714][ T5546] dump_stack+0x1c/0x5c [ 75.890428][ T5546] sysfs_create_dir_ns+0x244/0x264 [ 75.891204][ T5546] kobject_add_internal+0x5ac/0xc3c [ 75.892044][ T5546] kobject_init_and_add+0x124/0x190 [ 75.892860][ T5546] gfs2_sys_fs_add+0x200/0x41c [ 75.893638][ T5546] gfs2_fill_super+0xddc/0x1a18 [ 75.894460][ T5546] get_tree_bdev+0x358/0x544 [ 75.895230][ T5546] gfs2_get_tree+0x54/0x1b4 [ 75.895935][ T5546] vfs_get_tree+0x90/0x274 [ 75.896644][ T5546] do_new_mount+0x228/0x810 [ 75.897329][ T5546] path_mount+0x5bc/0x1008 [ 75.898037][ T5546] __arm64_sys_mount+0x514/0x5f0 [ 75.898726][ T5546] invoke_syscall+0x98/0x2b0 [ 75.899352][ T5546] el0_svc_common+0x138/0x258 [ 75.900067][ T5546] do_el0_svc+0x58/0x13c [ 75.900835][ T5546] el0_svc+0x78/0x1d0 [ 75.901473][ T5546] el0t_64_sync_handler+0xcc/0xe4 [ 75.902247][ T5546] el0t_64_sync+0x1a0/0x1a4 [ 75.928797][ T5552] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.930931][ T5552] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.933533][ T5546] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.943624][ T5546] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.036376][ T5542] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.037668][ T5542] CPU: 0 PID: 5542 Comm: syz.0.41 Not tainted syzkaller #0 [ 76.038746][ T5542] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.040416][ T5542] Call trace: [ 76.040918][ T5542] dump_backtrace+0x0/0x458 [ 76.041576][ T5542] show_stack+0x2c/0x3c [ 76.042173][ T5542] __dump_stack+0x30/0x40 [ 76.042884][ T5542] dump_stack_lvl+0xf4/0x15c [ 76.043608][ T5542] dump_stack+0x1c/0x5c [ 76.044276][ T5542] sysfs_create_dir_ns+0x244/0x264 [ 76.045169][ T5542] kobject_add_internal+0x5ac/0xc3c [ 76.046072][ T5542] kobject_init_and_add+0x124/0x190 [ 76.046950][ T5542] gfs2_sys_fs_add+0x200/0x41c [ 76.047700][ T5542] gfs2_fill_super+0xddc/0x1a18 [ 76.048400][ T5542] get_tree_bdev+0x358/0x544 [ 76.049113][ T5542] gfs2_get_tree+0x54/0x1b4 [ 76.049850][ T5542] vfs_get_tree+0x90/0x274 [ 76.050592][ T5542] do_new_mount+0x228/0x810 [ 76.051419][ T5542] path_mount+0x5bc/0x1008 [ 76.052173][ T5542] __arm64_sys_mount+0x514/0x5f0 [ 76.052948][ T5542] invoke_syscall+0x98/0x2b0 [ 76.053659][ T5542] el0_svc_common+0x138/0x258 [ 76.054396][ T5542] do_el0_svc+0x58/0x13c [ 76.055051][ T5542] el0_svc+0x78/0x1d0 [ 76.055641][ T5542] el0t_64_sync_handler+0xcc/0xe4 [ 76.056352][ T5542] el0t_64_sync+0x1a0/0x1a4 [ 76.058927][ T5538] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.060041][ T5538] CPU: 0 PID: 5538 Comm: syz.2.42 Not tainted syzkaller #0 [ 76.061196][ T5538] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.062853][ T5538] Call trace: [ 76.063370][ T5538] dump_backtrace+0x0/0x458 [ 76.064106][ T5538] show_stack+0x2c/0x3c [ 76.064819][ T5538] __dump_stack+0x30/0x40 [ 76.065559][ T5538] dump_stack_lvl+0xf4/0x15c [ 76.066297][ T5538] dump_stack+0x1c/0x5c [ 76.066952][ T5538] sysfs_create_dir_ns+0x244/0x264 [ 76.067841][ T5538] kobject_add_internal+0x5ac/0xc3c [ 76.068688][ T5538] kobject_init_and_add+0x124/0x190 [ 76.069540][ T5538] gfs2_sys_fs_add+0x200/0x41c [ 76.070289][ T5538] gfs2_fill_super+0xddc/0x1a18 [ 76.071072][ T5538] get_tree_bdev+0x358/0x544 [ 76.071835][ T5538] gfs2_get_tree+0x54/0x1b4 [ 76.072652][ T5538] vfs_get_tree+0x90/0x274 [ 76.073436][ T5538] do_new_mount+0x228/0x810 [ 76.074192][ T5538] path_mount+0x5bc/0x1008 [ 76.074932][ T5538] __arm64_sys_mount+0x514/0x5f0 [ 76.075755][ T5538] invoke_syscall+0x98/0x2b0 [ 76.076532][ T5538] el0_svc_common+0x138/0x258 [ 76.077297][ T5538] do_el0_svc+0x58/0x13c [ 76.077982][ T5538] el0_svc+0x78/0x1d0 [ 76.078632][ T5538] el0t_64_sync_handler+0xcc/0xe4 [ 76.079474][ T5538] el0t_64_sync+0x1a0/0x1a4 [ 76.106754][ T5542] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.109117][ T5542] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.110933][ T5538] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.112952][ T5538] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.262024][ T5552] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.263297][ T5552] CPU: 1 PID: 5552 Comm: syz.3.44 Not tainted syzkaller #0 [ 76.264359][ T5552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.266037][ T5552] Call trace: [ 76.266568][ T5552] dump_backtrace+0x0/0x458 [ 76.267278][ T5552] show_stack+0x2c/0x3c [ 76.267923][ T5552] __dump_stack+0x30/0x40 [ 76.268588][ T5552] dump_stack_lvl+0xf4/0x15c [ 76.269265][ T5552] dump_stack+0x1c/0x5c [ 76.269879][ T5552] sysfs_create_dir_ns+0x244/0x264 [ 76.270768][ T5552] kobject_add_internal+0x5ac/0xc3c [ 76.271677][ T5552] kobject_init_and_add+0x124/0x190 [ 76.272559][ T5552] gfs2_sys_fs_add+0x200/0x41c [ 76.273350][ T5552] gfs2_fill_super+0xddc/0x1a18 [ 76.274123][ T5552] get_tree_bdev+0x358/0x544 [ 76.274858][ T5552] gfs2_get_tree+0x54/0x1b4 [ 76.275577][ T5552] vfs_get_tree+0x90/0x274 [ 76.276296][ T5552] do_new_mount+0x228/0x810 [ 76.277006][ T5552] path_mount+0x5bc/0x1008 [ 76.277682][ T5552] __arm64_sys_mount+0x514/0x5f0 [ 76.278478][ T5552] invoke_syscall+0x98/0x2b0 [ 76.279152][ T5552] el0_svc_common+0x138/0x258 [ 76.279854][ T5552] do_el0_svc+0x58/0x13c [ 76.280479][ T5552] el0_svc+0x78/0x1d0 [ 76.281077][ T5552] el0t_64_sync_handler+0xcc/0xe4 [ 76.281902][ T5552] el0t_64_sync+0x1a0/0x1a4 [ 76.283876][ T5546] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.284981][ T5546] CPU: 1 PID: 5546 Comm: syz.4.43 Not tainted syzkaller #0 [ 76.286073][ T5546] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.287575][ T5546] Call trace: [ 76.288033][ T5546] dump_backtrace+0x0/0x458 [ 76.288794][ T5546] show_stack+0x2c/0x3c [ 76.289515][ T5546] __dump_stack+0x30/0x40 [ 76.290251][ T5546] dump_stack_lvl+0xf4/0x15c [ 76.290980][ T5546] dump_stack+0x1c/0x5c [ 76.291617][ T5546] sysfs_create_dir_ns+0x244/0x264 [ 76.292445][ T5546] kobject_add_internal+0x5ac/0xc3c [ 76.293366][ T5546] kobject_init_and_add+0x124/0x190 [ 76.294262][ T5546] gfs2_sys_fs_add+0x200/0x41c [ 76.295117][ T5546] gfs2_fill_super+0xddc/0x1a18 [ 76.295926][ T5546] get_tree_bdev+0x358/0x544 [ 76.296701][ T5546] gfs2_get_tree+0x54/0x1b4 [ 76.297482][ T5546] vfs_get_tree+0x90/0x274 [ 76.298204][ T5546] do_new_mount+0x228/0x810 [ 76.298911][ T5546] path_mount+0x5bc/0x1008 [ 76.299595][ T5546] __arm64_sys_mount+0x514/0x5f0 [ 76.300383][ T5546] invoke_syscall+0x98/0x2b0 [ 76.301166][ T5546] el0_svc_common+0x138/0x258 [ 76.301963][ T5546] do_el0_svc+0x58/0x13c [ 76.302620][ T5546] el0_svc+0x78/0x1d0 [ 76.303249][ T5546] el0t_64_sync_handler+0xcc/0xe4 [ 76.304102][ T5546] el0t_64_sync+0x1a0/0x1a4 [ 76.325199][ T5552] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.327568][ T5546] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.329567][ T5546] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.331027][ T5552] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.375967][ T5590] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.377206][ T5590] CPU: 1 PID: 5590 Comm: syz.0.45 Not tainted syzkaller #0 [ 76.378381][ T5590] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.380005][ T5590] Call trace: [ 76.380521][ T5590] dump_backtrace+0x0/0x458 [ 76.381210][ T5590] show_stack+0x2c/0x3c [ 76.381799][ T5590] __dump_stack+0x30/0x40 [ 76.382460][ T5590] dump_stack_lvl+0xf4/0x15c [ 76.383211][ T5590] dump_stack+0x1c/0x5c [ 76.383926][ T5590] sysfs_create_dir_ns+0x244/0x264 [ 76.384815][ T5590] kobject_add_internal+0x5ac/0xc3c [ 76.385656][ T5590] kobject_init_and_add+0x124/0x190 [ 76.386516][ T5590] gfs2_sys_fs_add+0x200/0x41c [ 76.387313][ T5590] gfs2_fill_super+0xddc/0x1a18 [ 76.388105][ T5590] get_tree_bdev+0x358/0x544 [ 76.388920][ T5590] gfs2_get_tree+0x54/0x1b4 [ 76.389707][ T5590] vfs_get_tree+0x90/0x274 [ 76.390448][ T5590] do_new_mount+0x228/0x810 [ 76.391194][ T5590] path_mount+0x5bc/0x1008 [ 76.391931][ T5590] __arm64_sys_mount+0x514/0x5f0 [ 76.392855][ T5590] invoke_syscall+0x98/0x2b0 [ 76.393631][ T5590] el0_svc_common+0x138/0x258 [ 76.394389][ T5590] do_el0_svc+0x58/0x13c [ 76.395074][ T5590] el0_svc+0x78/0x1d0 [ 76.395699][ T5590] el0t_64_sync_handler+0xcc/0xe4 [ 76.396460][ T5590] el0t_64_sync+0x1a0/0x1a4 [ 76.399807][ T5591] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.401039][ T5591] CPU: 0 PID: 5591 Comm: syz.2.46 Not tainted syzkaller #0 [ 76.402205][ T5591] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.403929][ T5591] Call trace: [ 76.404465][ T5591] dump_backtrace+0x0/0x458 [ 76.405204][ T5591] show_stack+0x2c/0x3c [ 76.405856][ T5591] __dump_stack+0x30/0x40 [ 76.406537][ T5591] dump_stack_lvl+0xf4/0x15c [ 76.407293][ T5591] dump_stack+0x1c/0x5c [ 76.408022][ T5591] sysfs_create_dir_ns+0x244/0x264 [ 76.408793][ T5591] kobject_add_internal+0x5ac/0xc3c [ 76.409695][ T5591] kobject_init_and_add+0x124/0x190 [ 76.410552][ T5591] gfs2_sys_fs_add+0x200/0x41c [ 76.411341][ T5591] gfs2_fill_super+0xddc/0x1a18 [ 76.412138][ T5591] get_tree_bdev+0x358/0x544 [ 76.412938][ T5591] gfs2_get_tree+0x54/0x1b4 [ 76.413725][ T5591] vfs_get_tree+0x90/0x274 [ 76.414433][ T5591] do_new_mount+0x228/0x810 [ 76.415206][ T5591] path_mount+0x5bc/0x1008 [ 76.415936][ T5591] __arm64_sys_mount+0x514/0x5f0 [ 76.416744][ T5591] invoke_syscall+0x98/0x2b0 [ 76.417451][ T5591] el0_svc_common+0x138/0x258 [ 76.417675][ T5590] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.418236][ T5591] do_el0_svc+0x58/0x13c [ 76.420295][ T5590] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.420933][ T5591] el0_svc+0x78/0x1d0 [ 76.422520][ T5591] el0t_64_sync_handler+0xcc/0xe4 [ 76.423268][ T5591] el0t_64_sync+0x1a0/0x1a4 [ 76.465331][ T5591] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.473760][ T5591] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.575270][ T5595] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.576525][ T5595] CPU: 1 PID: 5595 Comm: syz.4.48 Not tainted syzkaller #0 [ 76.577637][ T5595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.579468][ T5595] Call trace: [ 76.579994][ T5595] dump_backtrace+0x0/0x458 [ 76.580656][ T5595] show_stack+0x2c/0x3c [ 76.581361][ T5595] __dump_stack+0x30/0x40 [ 76.582113][ T5595] dump_stack_lvl+0xf4/0x15c [ 76.582877][ T5595] dump_stack+0x1c/0x5c [ 76.583539][ T5595] sysfs_create_dir_ns+0x244/0x264 [ 76.584362][ T5595] kobject_add_internal+0x5ac/0xc3c [ 76.585223][ T5595] kobject_init_and_add+0x124/0x190 [ 76.586105][ T5595] gfs2_sys_fs_add+0x200/0x41c [ 76.586908][ T5595] gfs2_fill_super+0xddc/0x1a18 [ 76.587705][ T5595] get_tree_bdev+0x358/0x544 [ 76.588453][ T5595] gfs2_get_tree+0x54/0x1b4 [ 76.589225][ T5595] vfs_get_tree+0x90/0x274 [ 76.589955][ T5595] do_new_mount+0x228/0x810 [ 76.590668][ T5595] path_mount+0x5bc/0x1008 [ 76.591439][ T5595] __arm64_sys_mount+0x514/0x5f0 [ 76.592283][ T5595] invoke_syscall+0x98/0x2b0 [ 76.593033][ T5595] el0_svc_common+0x138/0x258 [ 76.593772][ T5595] do_el0_svc+0x58/0x13c [ 76.594475][ T5595] el0_svc+0x78/0x1d0 [ 76.595182][ T5595] el0t_64_sync_handler+0xcc/0xe4 [ 76.596044][ T5595] el0t_64_sync+0x1a0/0x1a4 [ 76.600143][ T5594] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.601281][ T5594] CPU: 0 PID: 5594 Comm: syz.3.47 Not tainted syzkaller #0 [ 76.602444][ T5594] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.604007][ T5594] Call trace: [ 76.604510][ T5594] dump_backtrace+0x0/0x458 [ 76.605177][ T5594] show_stack+0x2c/0x3c [ 76.605821][ T5594] __dump_stack+0x30/0x40 [ 76.606455][ T5594] dump_stack_lvl+0xf4/0x15c [ 76.607199][ T5594] dump_stack+0x1c/0x5c [ 76.607827][ T5594] sysfs_create_dir_ns+0x244/0x264 [ 76.608616][ T5594] kobject_add_internal+0x5ac/0xc3c [ 76.609468][ T5594] kobject_init_and_add+0x124/0x190 [ 76.610374][ T5594] gfs2_sys_fs_add+0x200/0x41c [ 76.611126][ T5594] gfs2_fill_super+0xddc/0x1a18 [ 76.611915][ T5594] get_tree_bdev+0x358/0x544 [ 76.612723][ T5594] gfs2_get_tree+0x54/0x1b4 [ 76.613437][ T5594] vfs_get_tree+0x90/0x274 [ 76.614173][ T5594] do_new_mount+0x228/0x810 [ 76.614862][ T5594] path_mount+0x5bc/0x1008 [ 76.615594][ T5594] __arm64_sys_mount+0x514/0x5f0 [ 76.616431][ T5594] invoke_syscall+0x98/0x2b0 [ 76.617210][ T5594] el0_svc_common+0x138/0x258 [ 76.618049][ T5594] do_el0_svc+0x58/0x13c [ 76.618758][ T5594] el0_svc+0x78/0x1d0 [ 76.619397][ T5594] el0t_64_sync_handler+0xcc/0xe4 [ 76.620257][ T5594] el0t_64_sync+0x1a0/0x1a4 [ 76.632973][ T5595] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.634927][ T5595] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.656465][ T5594] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.658695][ T5594] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.708822][ T5590] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.710225][ T5590] CPU: 1 PID: 5590 Comm: syz.0.45 Not tainted syzkaller #0 [ 76.711339][ T5590] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.712919][ T5590] Call trace: [ 76.713392][ T5590] dump_backtrace+0x0/0x458 [ 76.714108][ T5590] show_stack+0x2c/0x3c [ 76.714718][ T5590] __dump_stack+0x30/0x40 [ 76.715407][ T5590] dump_stack_lvl+0xf4/0x15c [ 76.716187][ T5590] dump_stack+0x1c/0x5c [ 76.716914][ T5590] sysfs_create_dir_ns+0x244/0x264 [ 76.717766][ T5590] kobject_add_internal+0x5ac/0xc3c [ 76.718620][ T5590] kobject_init_and_add+0x124/0x190 [ 76.719444][ T5590] gfs2_sys_fs_add+0x200/0x41c [ 76.720178][ T5590] gfs2_fill_super+0xddc/0x1a18 [ 76.721025][ T5590] get_tree_bdev+0x358/0x544 [ 76.721832][ T5590] gfs2_get_tree+0x54/0x1b4 [ 76.722586][ T5590] vfs_get_tree+0x90/0x274 [ 76.723311][ T5590] do_new_mount+0x228/0x810 [ 76.724064][ T5590] path_mount+0x5bc/0x1008 [ 76.724799][ T5590] __arm64_sys_mount+0x514/0x5f0 [ 76.725582][ T5590] invoke_syscall+0x98/0x2b0 [ 76.726396][ T5590] el0_svc_common+0x138/0x258 [ 76.727149][ T5590] do_el0_svc+0x58/0x13c [ 76.727811][ T5590] el0_svc+0x78/0x1d0 [ 76.728460][ T5590] el0t_64_sync_handler+0xcc/0xe4 [ 76.729292][ T5590] el0t_64_sync+0x1a0/0x1a4 [ 76.745687][ T5591] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.746839][ T5591] CPU: 0 PID: 5591 Comm: syz.2.46 Not tainted syzkaller #0 [ 76.747905][ T5591] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.749527][ T5591] Call trace: [ 76.750075][ T5591] dump_backtrace+0x0/0x458 [ 76.750870][ T5591] show_stack+0x2c/0x3c [ 76.751554][ T5591] __dump_stack+0x30/0x40 [ 76.752266][ T5591] dump_stack_lvl+0xf4/0x15c [ 76.753019][ T5591] dump_stack+0x1c/0x5c [ 76.753681][ T5591] sysfs_create_dir_ns+0x244/0x264 [ 76.754588][ T5591] kobject_add_internal+0x5ac/0xc3c [ 76.755458][ T5590] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.755506][ T5591] kobject_init_and_add+0x124/0x190 [ 76.757354][ T5590] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.758191][ T5591] gfs2_sys_fs_add+0x200/0x41c [ 76.759880][ T5591] gfs2_fill_super+0xddc/0x1a18 [ 76.760630][ T5591] get_tree_bdev+0x358/0x544 [ 76.761388][ T5591] gfs2_get_tree+0x54/0x1b4 [ 76.762051][ T5591] vfs_get_tree+0x90/0x274 [ 76.762706][ T5591] do_new_mount+0x228/0x810 [ 76.763342][ T5591] path_mount+0x5bc/0x1008 [ 76.764054][ T5591] __arm64_sys_mount+0x514/0x5f0 [ 76.764888][ T5591] invoke_syscall+0x98/0x2b0 [ 76.765630][ T5591] el0_svc_common+0x138/0x258 [ 76.766387][ T5591] do_el0_svc+0x58/0x13c [ 76.767078][ T5591] el0_svc+0x78/0x1d0 [ 76.767685][ T5591] el0t_64_sync_handler+0xcc/0xe4 [ 76.768514][ T5591] el0t_64_sync+0x1a0/0x1a4 [ 76.822006][ T5591] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.824083][ T5591] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.866094][ T5595] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.867300][ T5595] CPU: 1 PID: 5595 Comm: syz.4.48 Not tainted syzkaller #0 [ 76.868476][ T5595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.869992][ T5595] Call trace: [ 76.870566][ T5595] dump_backtrace+0x0/0x458 [ 76.871276][ T5595] show_stack+0x2c/0x3c [ 76.871951][ T5595] __dump_stack+0x30/0x40 [ 76.872681][ T5595] dump_stack_lvl+0xf4/0x15c [ 76.873450][ T5595] dump_stack+0x1c/0x5c [ 76.874182][ T5595] sysfs_create_dir_ns+0x244/0x264 [ 76.875049][ T5595] kobject_add_internal+0x5ac/0xc3c [ 76.875859][ T5595] kobject_init_and_add+0x124/0x190 [ 76.876657][ T5595] gfs2_sys_fs_add+0x200/0x41c [ 76.877435][ T5595] gfs2_fill_super+0xddc/0x1a18 [ 76.878262][ T5595] get_tree_bdev+0x358/0x544 [ 76.879027][ T5595] gfs2_get_tree+0x54/0x1b4 [ 76.879795][ T5595] vfs_get_tree+0x90/0x274 [ 76.880516][ T5595] do_new_mount+0x228/0x810 [ 76.881249][ T5595] path_mount+0x5bc/0x1008 [ 76.882014][ T5595] __arm64_sys_mount+0x514/0x5f0 [ 76.882876][ T5595] invoke_syscall+0x98/0x2b0 [ 76.883624][ T5595] el0_svc_common+0x138/0x258 [ 76.884433][ T5595] do_el0_svc+0x58/0x13c [ 76.885135][ T5595] el0_svc+0x78/0x1d0 [ 76.885747][ T5595] el0t_64_sync_handler+0xcc/0xe4 [ 76.886508][ T5595] el0t_64_sync+0x1a0/0x1a4 [ 76.894102][ T5595] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.899986][ T5594] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.901107][ T5594] CPU: 1 PID: 5594 Comm: syz.3.47 Not tainted syzkaller #0 [ 76.902202][ T5594] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.903611][ T5594] Call trace: [ 76.904090][ T5594] dump_backtrace+0x0/0x458 [ 76.904837][ T5594] show_stack+0x2c/0x3c [ 76.905584][ T5594] __dump_stack+0x30/0x40 [ 76.906346][ T5594] dump_stack_lvl+0xf4/0x15c [ 76.907140][ T5594] dump_stack+0x1c/0x5c [ 76.907866][ T5594] sysfs_create_dir_ns+0x244/0x264 [ 76.908689][ T5594] kobject_add_internal+0x5ac/0xc3c [ 76.909594][ T5594] kobject_init_and_add+0x124/0x190 [ 76.910413][ T5594] gfs2_sys_fs_add+0x200/0x41c [ 76.911152][ T5594] gfs2_fill_super+0xddc/0x1a18 [ 76.911941][ T5594] get_tree_bdev+0x358/0x544 [ 76.912696][ T5594] gfs2_get_tree+0x54/0x1b4 [ 76.913523][ T5594] vfs_get_tree+0x90/0x274 [ 76.914244][ T5594] do_new_mount+0x228/0x810 [ 76.914986][ T5594] path_mount+0x5bc/0x1008 [ 76.915676][ T5594] __arm64_sys_mount+0x514/0x5f0 [ 76.916553][ T5594] invoke_syscall+0x98/0x2b0 [ 76.917281][ T5594] el0_svc_common+0x138/0x258 [ 76.918051][ T5594] do_el0_svc+0x58/0x13c [ 76.918667][ T5594] el0_svc+0x78/0x1d0 [ 76.919315][ T5594] el0t_64_sync_handler+0xcc/0xe4 [ 76.920147][ T5594] el0t_64_sync+0x1a0/0x1a4 [ 76.924160][ T5595] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.926937][ T5594] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.929643][ T5594] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.993768][ T5597] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.995066][ T5597] CPU: 0 PID: 5597 Comm: syz.0.49 Not tainted syzkaller #0 [ 76.996259][ T5597] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.997921][ T5597] Call trace: [ 76.998439][ T5597] dump_backtrace+0x0/0x458 [ 76.999230][ T5597] show_stack+0x2c/0x3c [ 76.999871][ T5597] __dump_stack+0x30/0x40 [ 77.000586][ T5597] dump_stack_lvl+0xf4/0x15c [ 77.001298][ T5597] dump_stack+0x1c/0x5c [ 77.001964][ T5597] sysfs_create_dir_ns+0x244/0x264 [ 77.002817][ T5597] kobject_add_internal+0x5ac/0xc3c [ 77.003614][ T5597] kobject_init_and_add+0x124/0x190 [ 77.004369][ T5597] gfs2_sys_fs_add+0x200/0x41c [ 77.005047][ T5597] gfs2_fill_super+0xddc/0x1a18 [ 77.005839][ T5597] get_tree_bdev+0x358/0x544 [ 77.006567][ T5597] gfs2_get_tree+0x54/0x1b4 [ 77.007342][ T5597] vfs_get_tree+0x90/0x274 [ 77.008113][ T5597] do_new_mount+0x228/0x810 [ 77.008873][ T5597] path_mount+0x5bc/0x1008 [ 77.009664][ T5597] __arm64_sys_mount+0x514/0x5f0 [ 77.010499][ T5597] invoke_syscall+0x98/0x2b0 [ 77.011239][ T5597] el0_svc_common+0x138/0x258 [ 77.011975][ T5597] do_el0_svc+0x58/0x13c [ 77.012706][ T5597] el0_svc+0x78/0x1d0 [ 77.013391][ T5597] el0t_64_sync_handler+0xcc/0xe4 [ 77.014179][ T5597] el0t_64_sync+0x1a0/0x1a4 [ 77.049744][ T5597] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.051988][ T5597] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.145412][ T5599] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.146525][ T5599] CPU: 0 PID: 5599 Comm: syz.4.50 Not tainted syzkaller #0 [ 77.147757][ T5599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.149317][ T5599] Call trace: [ 77.149786][ T5599] dump_backtrace+0x0/0x458 [ 77.150472][ T5599] show_stack+0x2c/0x3c [ 77.151117][ T5599] __dump_stack+0x30/0x40 [ 77.151823][ T5599] dump_stack_lvl+0xf4/0x15c [ 77.152537][ T5599] dump_stack+0x1c/0x5c [ 77.153243][ T5599] sysfs_create_dir_ns+0x244/0x264 [ 77.154100][ T5599] kobject_add_internal+0x5ac/0xc3c [ 77.154959][ T5599] kobject_init_and_add+0x124/0x190 [ 77.155781][ T5599] gfs2_sys_fs_add+0x200/0x41c [ 77.156521][ T5599] gfs2_fill_super+0xddc/0x1a18 [ 77.157320][ T5599] get_tree_bdev+0x358/0x544 [ 77.158054][ T5599] gfs2_get_tree+0x54/0x1b4 [ 77.158769][ T5599] vfs_get_tree+0x90/0x274 [ 77.159489][ T5599] do_new_mount+0x228/0x810 [ 77.160204][ T5599] path_mount+0x5bc/0x1008 [ 77.160868][ T5599] __arm64_sys_mount+0x514/0x5f0 [ 77.161573][ T5599] invoke_syscall+0x98/0x2b0 [ 77.162267][ T5599] el0_svc_common+0x138/0x258 [ 77.162967][ T5599] do_el0_svc+0x58/0x13c [ 77.163639][ T5599] el0_svc+0x78/0x1d0 [ 77.164287][ T5599] el0t_64_sync_handler+0xcc/0xe4 [ 77.165142][ T5599] el0t_64_sync+0x1a0/0x1a4 [ 77.202394][ T5603] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.203672][ T5603] CPU: 1 PID: 5603 Comm: syz.2.52 Not tainted syzkaller #0 [ 77.204918][ T5603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.206550][ T5603] Call trace: [ 77.206616][ T5599] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.207060][ T5603] dump_backtrace+0x0/0x458 [ 77.209198][ T5599] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.209799][ T5603] show_stack+0x2c/0x3c [ 77.211364][ T5603] __dump_stack+0x30/0x40 [ 77.211999][ T5603] dump_stack_lvl+0xf4/0x15c [ 77.212630][ T5603] dump_stack+0x1c/0x5c [ 77.213249][ T5603] sysfs_create_dir_ns+0x244/0x264 [ 77.214073][ T5603] kobject_add_internal+0x5ac/0xc3c [ 77.214776][ T5603] kobject_init_and_add+0x124/0x190 [ 77.215584][ T5603] gfs2_sys_fs_add+0x200/0x41c [ 77.216387][ T5603] gfs2_fill_super+0xddc/0x1a18 [ 77.217147][ T5603] get_tree_bdev+0x358/0x544 [ 77.217901][ T5603] gfs2_get_tree+0x54/0x1b4 [ 77.218549][ T5603] vfs_get_tree+0x90/0x274 [ 77.219246][ T5603] do_new_mount+0x228/0x810 [ 77.220011][ T5603] path_mount+0x5bc/0x1008 [ 77.220719][ T5603] __arm64_sys_mount+0x514/0x5f0 [ 77.221475][ T5603] invoke_syscall+0x98/0x2b0 [ 77.222236][ T5603] el0_svc_common+0x138/0x258 [ 77.222961][ T5603] do_el0_svc+0x58/0x13c [ 77.223630][ T5603] el0_svc+0x78/0x1d0 [ 77.224234][ T5603] el0t_64_sync_handler+0xcc/0xe4 [ 77.224993][ T5603] el0t_64_sync+0x1a0/0x1a4 [ 77.227993][ T5603] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.230128][ T5603] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.279441][ T5601] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.280689][ T5601] CPU: 1 PID: 5601 Comm: syz.3.51 Not tainted syzkaller #0 [ 77.281828][ T5601] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.283513][ T5601] Call trace: [ 77.284045][ T5601] dump_backtrace+0x0/0x458 [ 77.284785][ T5601] show_stack+0x2c/0x3c [ 77.285444][ T5601] __dump_stack+0x30/0x40 [ 77.286166][ T5601] dump_stack_lvl+0xf4/0x15c [ 77.286880][ T5601] dump_stack+0x1c/0x5c [ 77.287546][ T5601] sysfs_create_dir_ns+0x244/0x264 [ 77.288344][ T5601] kobject_add_internal+0x5ac/0xc3c [ 77.289091][ T5601] kobject_init_and_add+0x124/0x190 [ 77.289936][ T5601] gfs2_sys_fs_add+0x200/0x41c [ 77.290675][ T5601] gfs2_fill_super+0xddc/0x1a18 [ 77.291613][ T5601] get_tree_bdev+0x358/0x544 [ 77.292401][ T5601] gfs2_get_tree+0x54/0x1b4 [ 77.293113][ T5601] vfs_get_tree+0x90/0x274 [ 77.293802][ T5601] do_new_mount+0x228/0x810 [ 77.294496][ T5601] path_mount+0x5bc/0x1008 [ 77.295184][ T5601] __arm64_sys_mount+0x514/0x5f0 [ 77.295365][ T5597] set_capacity_and_notify: 40 callbacks suppressed [ 77.295372][ T5597] loop0: detected capacity change from 0 to 32768 [ 77.295963][ T5601] invoke_syscall+0x98/0x2b0 [ 77.298730][ T5601] el0_svc_common+0x138/0x258 [ 77.299426][ T5601] do_el0_svc+0x58/0x13c [ 77.300074][ T5601] el0_svc+0x78/0x1d0 [ 77.300667][ T5601] el0t_64_sync_handler+0xcc/0xe4 [ 77.301488][ T5601] el0t_64_sync+0x1a0/0x1a4 [ 77.321434][ T5597] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.322684][ T5597] CPU: 0 PID: 5597 Comm: syz.0.49 Not tainted syzkaller #0 [ 77.323912][ T5597] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.325507][ T5597] Call trace: [ 77.326058][ T5597] dump_backtrace+0x0/0x458 [ 77.326827][ T5597] show_stack+0x2c/0x3c [ 77.327534][ T5597] __dump_stack+0x30/0x40 [ 77.328276][ T5597] dump_stack_lvl+0xf4/0x15c [ 77.329083][ T5597] dump_stack+0x1c/0x5c [ 77.329715][ T5597] sysfs_create_dir_ns+0x244/0x264 [ 77.330583][ T5597] kobject_add_internal+0x5ac/0xc3c [ 77.331390][ T5597] kobject_init_and_add+0x124/0x190 [ 77.332272][ T5597] gfs2_sys_fs_add+0x200/0x41c [ 77.333040][ T5597] gfs2_fill_super+0xddc/0x1a18 [ 77.333878][ T5597] get_tree_bdev+0x358/0x544 [ 77.334622][ T5597] gfs2_get_tree+0x54/0x1b4 [ 77.335374][ T5597] vfs_get_tree+0x90/0x274 [ 77.336145][ T5597] do_new_mount+0x228/0x810 [ 77.336917][ T5597] path_mount+0x5bc/0x1008 [ 77.337706][ T5597] __arm64_sys_mount+0x514/0x5f0 [ 77.338543][ T5597] invoke_syscall+0x98/0x2b0 [ 77.339307][ T5597] el0_svc_common+0x138/0x258 [ 77.340102][ T5597] do_el0_svc+0x58/0x13c [ 77.340803][ T5597] el0_svc+0x78/0x1d0 [ 77.341471][ T5597] el0t_64_sync_handler+0xcc/0xe4 [ 77.342240][ T5597] el0t_64_sync+0x1a0/0x1a4 [ 77.346052][ T5601] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.348252][ T5601] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.380450][ T5597] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.382670][ T5597] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.550047][ T5599] loop4: detected capacity change from 0 to 32768 [ 77.559691][ T5603] loop2: detected capacity change from 0 to 32768 [ 77.573401][ T5601] loop3: detected capacity change from 0 to 32768 [ 77.596209][ T5605] loop0: detected capacity change from 0 to 32768 [ 77.597553][ T5603] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.597917][ T5601] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.598568][ T5603] CPU: 1 PID: 5603 Comm: syz.2.52 Not tainted syzkaller #0 [ 77.600809][ T5603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.602429][ T5603] Call trace: [ 77.602941][ T5603] dump_backtrace+0x0/0x458 [ 77.603626][ T5603] show_stack+0x2c/0x3c [ 77.604248][ T5603] __dump_stack+0x30/0x40 [ 77.604957][ T5603] dump_stack_lvl+0xf4/0x15c [ 77.605700][ T5603] dump_stack+0x1c/0x5c [ 77.606386][ T5603] sysfs_create_dir_ns+0x244/0x264 [ 77.607249][ T5603] kobject_add_internal+0x5ac/0xc3c [ 77.608120][ T5603] kobject_init_and_add+0x124/0x190 [ 77.609018][ T5603] gfs2_sys_fs_add+0x200/0x41c [ 77.609757][ T5603] gfs2_fill_super+0xddc/0x1a18 [ 77.610535][ T5603] get_tree_bdev+0x358/0x544 [ 77.611277][ T5603] gfs2_get_tree+0x54/0x1b4 [ 77.612058][ T5603] vfs_get_tree+0x90/0x274 [ 77.612838][ T5603] do_new_mount+0x228/0x810 [ 77.613625][ T5603] path_mount+0x5bc/0x1008 [ 77.614320][ T5603] __arm64_sys_mount+0x514/0x5f0 [ 77.615164][ T5603] invoke_syscall+0x98/0x2b0 [ 77.615893][ T5603] el0_svc_common+0x138/0x258 [ 77.616683][ T5603] do_el0_svc+0x58/0x13c [ 77.617418][ T5603] el0_svc+0x78/0x1d0 [ 77.618126][ T5603] el0t_64_sync_handler+0xcc/0xe4 [ 77.618950][ T5603] el0t_64_sync+0x1a0/0x1a4 [ 77.619700][ T5601] CPU: 0 PID: 5601 Comm: syz.3.51 Not tainted syzkaller #0 [ 77.620825][ T5601] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.622418][ T5601] Call trace: [ 77.622887][ T5601] dump_backtrace+0x0/0x458 [ 77.623521][ T5603] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.623551][ T5601] show_stack+0x2c/0x3c [ 77.626299][ T5601] __dump_stack+0x30/0x40 [ 77.626956][ T5601] dump_stack_lvl+0xf4/0x15c [ 77.627620][ T5601] dump_stack+0x1c/0x5c [ 77.628340][ T5601] sysfs_create_dir_ns+0x244/0x264 [ 77.629174][ T5601] kobject_add_internal+0x5ac/0xc3c [ 77.630023][ T5601] kobject_init_and_add+0x124/0x190 [ 77.630800][ T5601] gfs2_sys_fs_add+0x200/0x41c [ 77.631526][ T5601] gfs2_fill_super+0xddc/0x1a18 [ 77.632283][ T5601] get_tree_bdev+0x358/0x544 [ 77.632979][ T5601] gfs2_get_tree+0x54/0x1b4 [ 77.633673][ T5601] vfs_get_tree+0x90/0x274 [ 77.634328][ T5601] do_new_mount+0x228/0x810 [ 77.634477][ T5603] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.635042][ T5601] path_mount+0x5bc/0x1008 [ 77.636713][ T5601] __arm64_sys_mount+0x514/0x5f0 [ 77.637556][ T5601] invoke_syscall+0x98/0x2b0 [ 77.638357][ T5601] el0_svc_common+0x138/0x258 [ 77.639171][ T5601] do_el0_svc+0x58/0x13c [ 77.639898][ T5601] el0_svc+0x78/0x1d0 [ 77.640603][ T5601] el0t_64_sync_handler+0xcc/0xe4 [ 77.641394][ T5601] el0t_64_sync+0x1a0/0x1a4 [ 77.643433][ T5599] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.644759][ T5599] CPU: 0 PID: 5599 Comm: syz.4.50 Not tainted syzkaller #0 [ 77.645848][ T5599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.647584][ T5599] Call trace: [ 77.648105][ T5599] dump_backtrace+0x0/0x458 [ 77.648866][ T5599] show_stack+0x2c/0x3c [ 77.649528][ T5599] __dump_stack+0x30/0x40 [ 77.650271][ T5599] dump_stack_lvl+0xf4/0x15c [ 77.650943][ T5599] dump_stack+0x1c/0x5c [ 77.651582][ T5599] sysfs_create_dir_ns+0x244/0x264 [ 77.652354][ T5599] kobject_add_internal+0x5ac/0xc3c [ 77.653238][ T5599] kobject_init_and_add+0x124/0x190 [ 77.654059][ T5599] gfs2_sys_fs_add+0x200/0x41c [ 77.654829][ T5599] gfs2_fill_super+0xddc/0x1a18 [ 77.655612][ T5599] get_tree_bdev+0x358/0x544 [ 77.656349][ T5599] gfs2_get_tree+0x54/0x1b4 [ 77.657035][ T5599] vfs_get_tree+0x90/0x274 [ 77.657728][ T5599] do_new_mount+0x228/0x810 [ 77.658423][ T5599] path_mount+0x5bc/0x1008 [ 77.659095][ T5599] __arm64_sys_mount+0x514/0x5f0 [ 77.659784][ T5599] invoke_syscall+0x98/0x2b0 [ 77.660477][ T5599] el0_svc_common+0x138/0x258 [ 77.661185][ T5599] do_el0_svc+0x58/0x13c [ 77.661873][ T5599] el0_svc+0x78/0x1d0 [ 77.662518][ T5599] el0t_64_sync_handler+0xcc/0xe4 [ 77.663353][ T5599] el0t_64_sync+0x1a0/0x1a4 [ 77.664294][ T5601] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.666868][ T5601] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.668430][ T5599] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.670688][ T5599] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.725971][ T5605] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.727190][ T5605] CPU: 0 PID: 5605 Comm: syz.0.53 Not tainted syzkaller #0 [ 77.728262][ T5605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.729726][ T5605] Call trace: [ 77.730219][ T5605] dump_backtrace+0x0/0x458 [ 77.731052][ T5605] show_stack+0x2c/0x3c [ 77.731734][ T5605] __dump_stack+0x30/0x40 [ 77.732459][ T5605] dump_stack_lvl+0xf4/0x15c [ 77.733255][ T5605] dump_stack+0x1c/0x5c [ 77.733964][ T5605] sysfs_create_dir_ns+0x244/0x264 [ 77.734804][ T5605] kobject_add_internal+0x5ac/0xc3c [ 77.735634][ T5605] kobject_init_and_add+0x124/0x190 [ 77.736477][ T5605] gfs2_sys_fs_add+0x200/0x41c [ 77.737283][ T5605] gfs2_fill_super+0xddc/0x1a18 [ 77.738130][ T5605] get_tree_bdev+0x358/0x544 [ 77.738863][ T5605] gfs2_get_tree+0x54/0x1b4 [ 77.739705][ T5605] vfs_get_tree+0x90/0x274 [ 77.740491][ T5605] do_new_mount+0x228/0x810 [ 77.741283][ T5605] path_mount+0x5bc/0x1008 [ 77.742030][ T5605] __arm64_sys_mount+0x514/0x5f0 [ 77.742874][ T5605] invoke_syscall+0x98/0x2b0 [ 77.743680][ T5605] el0_svc_common+0x138/0x258 [ 77.744467][ T5605] do_el0_svc+0x58/0x13c [ 77.745109][ T5605] el0_svc+0x78/0x1d0 [ 77.745781][ T5605] el0t_64_sync_handler+0xcc/0xe4 [ 77.746620][ T5605] el0t_64_sync+0x1a0/0x1a4 [ 77.788484][ T5605] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.790682][ T5605] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.900549][ T5609] loop2: detected capacity change from 0 to 32768 [ 77.943318][ T5607] loop3: detected capacity change from 0 to 32768 [ 77.950591][ T5609] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.952121][ T5609] CPU: 1 PID: 5609 Comm: syz.2.55 Not tainted syzkaller #0 [ 77.953161][ T5609] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.954695][ T5609] Call trace: [ 77.955172][ T5609] dump_backtrace+0x0/0x458 [ 77.955904][ T5609] show_stack+0x2c/0x3c [ 77.956548][ T5609] __dump_stack+0x30/0x40 [ 77.957189][ T5609] dump_stack_lvl+0xf4/0x15c [ 77.957890][ T5609] dump_stack+0x1c/0x5c [ 77.958550][ T5609] sysfs_create_dir_ns+0x244/0x264 [ 77.959391][ T5609] kobject_add_internal+0x5ac/0xc3c [ 77.960160][ T5609] kobject_init_and_add+0x124/0x190 [ 77.960979][ T5609] gfs2_sys_fs_add+0x200/0x41c [ 77.961750][ T5609] gfs2_fill_super+0xddc/0x1a18 [ 77.962469][ T5609] get_tree_bdev+0x358/0x544 [ 77.963157][ T5609] gfs2_get_tree+0x54/0x1b4 [ 77.963849][ T5609] vfs_get_tree+0x90/0x274 [ 77.964500][ T5609] do_new_mount+0x228/0x810 [ 77.965255][ T5609] path_mount+0x5bc/0x1008 [ 77.965892][ T5609] __arm64_sys_mount+0x514/0x5f0 [ 77.966675][ T5609] invoke_syscall+0x98/0x2b0 [ 77.967405][ T5609] el0_svc_common+0x138/0x258 [ 77.968246][ T5609] do_el0_svc+0x58/0x13c [ 77.968917][ T5609] el0_svc+0x78/0x1d0 [ 77.969620][ T5609] el0t_64_sync_handler+0xcc/0xe4 [ 77.970475][ T5609] el0t_64_sync+0x1a0/0x1a4 [ 77.973319][ T5605] loop0: detected capacity change from 0 to 32768 [ 77.982952][ T5605] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.984223][ T5605] CPU: 0 PID: 5605 Comm: syz.0.53 Not tainted syzkaller #0 [ 77.985427][ T5605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.987086][ T5605] Call trace: [ 77.987579][ T5605] dump_backtrace+0x0/0x458 [ 77.988291][ T5605] show_stack+0x2c/0x3c [ 77.988970][ T5605] __dump_stack+0x30/0x40 [ 77.989291][ T5609] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.989674][ T5605] dump_stack_lvl+0xf4/0x15c [ 77.991737][ T5609] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.992417][ T5605] dump_stack+0x1c/0x5c [ 77.994142][ T5605] sysfs_create_dir_ns+0x244/0x264 [ 77.994924][ T5605] kobject_add_internal+0x5ac/0xc3c [ 77.995760][ T5605] kobject_init_and_add+0x124/0x190 [ 77.996574][ T5605] gfs2_sys_fs_add+0x200/0x41c [ 77.997258][ T5605] gfs2_fill_super+0xddc/0x1a18 [ 77.997918][ T5605] get_tree_bdev+0x358/0x544 [ 77.998600][ T5605] gfs2_get_tree+0x54/0x1b4 [ 77.999244][ T5605] vfs_get_tree+0x90/0x274 [ 77.999873][ T5605] do_new_mount+0x228/0x810 [ 78.000539][ T5605] path_mount+0x5bc/0x1008 [ 78.001142][ T5605] __arm64_sys_mount+0x514/0x5f0 [ 78.001835][ T5605] invoke_syscall+0x98/0x2b0 [ 78.002531][ T5605] el0_svc_common+0x138/0x258 [ 78.003192][ T5605] do_el0_svc+0x58/0x13c [ 78.003770][ T5605] el0_svc+0x78/0x1d0 [ 78.004317][ T5605] el0t_64_sync_handler+0xcc/0xe4 [ 78.005042][ T5605] el0t_64_sync+0x1a0/0x1a4 [ 78.006568][ T5607] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.007718][ T5607] CPU: 0 PID: 5607 Comm: syz.3.54 Not tainted syzkaller #0 [ 78.008879][ T5607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.010408][ T5607] Call trace: [ 78.010907][ T5607] dump_backtrace+0x0/0x458 [ 78.011677][ T5607] show_stack+0x2c/0x3c [ 78.012313][ T5607] __dump_stack+0x30/0x40 [ 78.013012][ T5607] dump_stack_lvl+0xf4/0x15c [ 78.013712][ T5607] dump_stack+0x1c/0x5c [ 78.014351][ T5607] sysfs_create_dir_ns+0x244/0x264 [ 78.015183][ T5607] kobject_add_internal+0x5ac/0xc3c [ 78.016025][ T5607] kobject_init_and_add+0x124/0x190 [ 78.016852][ T5607] gfs2_sys_fs_add+0x200/0x41c [ 78.017597][ T5607] gfs2_fill_super+0xddc/0x1a18 [ 78.018333][ T5607] get_tree_bdev+0x358/0x544 [ 78.019055][ T5607] gfs2_get_tree+0x54/0x1b4 [ 78.019721][ T5607] vfs_get_tree+0x90/0x274 [ 78.020384][ T5607] do_new_mount+0x228/0x810 [ 78.021146][ T5607] path_mount+0x5bc/0x1008 [ 78.021839][ T5607] __arm64_sys_mount+0x514/0x5f0 [ 78.022655][ T5607] invoke_syscall+0x98/0x2b0 [ 78.023348][ T5607] el0_svc_common+0x138/0x258 [ 78.024067][ T5607] do_el0_svc+0x58/0x13c [ 78.024710][ T5607] el0_svc+0x78/0x1d0 [ 78.025417][ T5607] el0t_64_sync_handler+0xcc/0xe4 [ 78.026227][ T5607] el0t_64_sync+0x1a0/0x1a4 [ 78.045283][ T5607] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.047423][ T5607] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.055431][ T5605] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.057497][ T5605] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.070158][ T5611] loop4: detected capacity change from 0 to 32768 [ 78.183172][ T5609] loop2: detected capacity change from 0 to 32768 [ 78.191812][ T5611] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.193122][ T5611] CPU: 0 PID: 5611 Comm: syz.4.56 Not tainted syzkaller #0 [ 78.194290][ T5611] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.196007][ T5611] Call trace: [ 78.196544][ T5611] dump_backtrace+0x0/0x458 [ 78.197307][ T5611] show_stack+0x2c/0x3c [ 78.197996][ T5611] __dump_stack+0x30/0x40 [ 78.198768][ T5611] dump_stack_lvl+0xf4/0x15c [ 78.199527][ T5611] dump_stack+0x1c/0x5c [ 78.200142][ T5611] sysfs_create_dir_ns+0x244/0x264 [ 78.200910][ T5611] kobject_add_internal+0x5ac/0xc3c [ 78.201733][ T5611] kobject_init_and_add+0x124/0x190 [ 78.202542][ T5611] gfs2_sys_fs_add+0x200/0x41c [ 78.203315][ T5611] gfs2_fill_super+0xddc/0x1a18 [ 78.204104][ T5611] get_tree_bdev+0x358/0x544 [ 78.204861][ T5611] gfs2_get_tree+0x54/0x1b4 [ 78.205563][ T5611] vfs_get_tree+0x90/0x274 [ 78.206260][ T5611] do_new_mount+0x228/0x810 [ 78.207040][ T5611] path_mount+0x5bc/0x1008 [ 78.207790][ T5611] __arm64_sys_mount+0x514/0x5f0 [ 78.208658][ T5611] invoke_syscall+0x98/0x2b0 [ 78.209489][ T5611] el0_svc_common+0x138/0x258 [ 78.210296][ T5611] do_el0_svc+0x58/0x13c [ 78.210997][ T5611] el0_svc+0x78/0x1d0 [ 78.211622][ T5611] el0t_64_sync_handler+0xcc/0xe4 [ 78.212460][ T5611] el0t_64_sync+0x1a0/0x1a4 [ 78.225943][ T5609] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.227155][ T5609] CPU: 1 PID: 5609 Comm: syz.2.55 Not tainted syzkaller #0 [ 78.228295][ T5609] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.229760][ T5609] Call trace: [ 78.230336][ T5609] dump_backtrace+0x0/0x458 [ 78.230996][ T5609] show_stack+0x2c/0x3c [ 78.231698][ T5609] __dump_stack+0x30/0x40 [ 78.232408][ T5609] dump_stack_lvl+0xf4/0x15c [ 78.233183][ T5609] dump_stack+0x1c/0x5c [ 78.233814][ T5611] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.233879][ T5609] sysfs_create_dir_ns+0x244/0x264 [ 78.236818][ T5609] kobject_add_internal+0x5ac/0xc3c [ 78.237668][ T5609] kobject_init_and_add+0x124/0x190 [ 78.238513][ T5609] gfs2_sys_fs_add+0x200/0x41c [ 78.239291][ T5609] gfs2_fill_super+0xddc/0x1a18 [ 78.240041][ T5609] get_tree_bdev+0x358/0x544 [ 78.240771][ T5609] gfs2_get_tree+0x54/0x1b4 [ 78.241432][ T5609] vfs_get_tree+0x90/0x274 [ 78.242210][ T5609] do_new_mount+0x228/0x810 [ 78.242934][ T5609] path_mount+0x5bc/0x1008 [ 78.243693][ T5609] __arm64_sys_mount+0x514/0x5f0 [ 78.243921][ T5611] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.244498][ T5609] invoke_syscall+0x98/0x2b0 [ 78.246305][ T5609] el0_svc_common+0x138/0x258 [ 78.247077][ T5609] do_el0_svc+0x58/0x13c [ 78.247772][ T5609] el0_svc+0x78/0x1d0 [ 78.248414][ T5609] el0t_64_sync_handler+0xcc/0xe4 [ 78.249262][ T5609] el0t_64_sync+0x1a0/0x1a4 [ 78.277666][ T5607] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.278911][ T5607] CPU: 1 PID: 5607 Comm: syz.3.54 Not tainted syzkaller #0 [ 78.280050][ T5607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.281563][ T5607] Call trace: [ 78.282046][ T5607] dump_backtrace+0x0/0x458 [ 78.282671][ T5607] show_stack+0x2c/0x3c [ 78.283268][ T5607] __dump_stack+0x30/0x40 [ 78.283965][ T5607] dump_stack_lvl+0xf4/0x15c [ 78.284680][ T5607] dump_stack+0x1c/0x5c [ 78.285351][ T5607] sysfs_create_dir_ns+0x244/0x264 [ 78.286198][ T5607] kobject_add_internal+0x5ac/0xc3c [ 78.287062][ T5607] kobject_init_and_add+0x124/0x190 [ 78.287908][ T5607] gfs2_sys_fs_add+0x200/0x41c [ 78.288704][ T5607] gfs2_fill_super+0xddc/0x1a18 [ 78.289508][ T5607] get_tree_bdev+0x358/0x544 [ 78.290248][ T5607] gfs2_get_tree+0x54/0x1b4 [ 78.290993][ T5607] vfs_get_tree+0x90/0x274 [ 78.291710][ T5607] do_new_mount+0x228/0x810 [ 78.292396][ T5607] path_mount+0x5bc/0x1008 [ 78.293094][ T5607] __arm64_sys_mount+0x514/0x5f0 [ 78.293819][ T5607] invoke_syscall+0x98/0x2b0 [ 78.294514][ T5607] el0_svc_common+0x138/0x258 [ 78.295294][ T5607] do_el0_svc+0x58/0x13c [ 78.296013][ T5607] el0_svc+0x78/0x1d0 [ 78.296714][ T5607] el0t_64_sync_handler+0xcc/0xe4 [ 78.297496][ T5607] el0t_64_sync+0x1a0/0x1a4 [ 78.303585][ T5609] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.308747][ T5609] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.317382][ T5613] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.318558][ T5613] CPU: 0 PID: 5613 Comm: syz.0.57 Not tainted syzkaller #0 [ 78.319747][ T5613] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.321301][ T5613] Call trace: [ 78.321811][ T5613] dump_backtrace+0x0/0x458 [ 78.322526][ T5613] show_stack+0x2c/0x3c [ 78.323118][ T5613] __dump_stack+0x30/0x40 [ 78.323790][ T5613] dump_stack_lvl+0xf4/0x15c [ 78.324497][ T5613] dump_stack+0x1c/0x5c [ 78.325185][ T5613] sysfs_create_dir_ns+0x244/0x264 [ 78.325944][ T5613] kobject_add_internal+0x5ac/0xc3c [ 78.326726][ T5613] kobject_init_and_add+0x124/0x190 [ 78.327519][ T5613] gfs2_sys_fs_add+0x200/0x41c [ 78.328243][ T5613] gfs2_fill_super+0xddc/0x1a18 [ 78.329023][ T5613] get_tree_bdev+0x358/0x544 [ 78.329728][ T5613] gfs2_get_tree+0x54/0x1b4 [ 78.330450][ T5613] vfs_get_tree+0x90/0x274 [ 78.331226][ T5613] do_new_mount+0x228/0x810 [ 78.332010][ T5613] path_mount+0x5bc/0x1008 [ 78.332739][ T5613] __arm64_sys_mount+0x514/0x5f0 [ 78.333606][ T5613] invoke_syscall+0x98/0x2b0 [ 78.334385][ T5613] el0_svc_common+0x138/0x258 [ 78.335154][ T5613] do_el0_svc+0x58/0x13c [ 78.335193][ T5607] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.335844][ T5613] el0_svc+0x78/0x1d0 [ 78.338672][ T5613] el0t_64_sync_handler+0xcc/0xe4 [ 78.339415][ T5613] el0t_64_sync+0x1a0/0x1a4 [ 78.341164][ T5607] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.385305][ T5613] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.387508][ T5613] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.454114][ T5611] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.457559][ T5611] CPU: 1 PID: 5611 Comm: syz.4.56 Not tainted syzkaller #0 [ 78.458621][ T5611] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.460388][ T5611] Call trace: [ 78.460959][ T5611] dump_backtrace+0x0/0x458 [ 78.461639][ T5611] show_stack+0x2c/0x3c [ 78.462263][ T5611] __dump_stack+0x30/0x40 [ 78.462952][ T5611] dump_stack_lvl+0xf4/0x15c [ 78.463743][ T5611] dump_stack+0x1c/0x5c [ 78.464451][ T5611] sysfs_create_dir_ns+0x244/0x264 [ 78.465332][ T5611] kobject_add_internal+0x5ac/0xc3c [ 78.466180][ T5611] kobject_init_and_add+0x124/0x190 [ 78.467066][ T5611] gfs2_sys_fs_add+0x200/0x41c [ 78.467806][ T5611] gfs2_fill_super+0xddc/0x1a18 [ 78.468542][ T5611] get_tree_bdev+0x358/0x544 [ 78.469236][ T5611] gfs2_get_tree+0x54/0x1b4 [ 78.469878][ T5611] vfs_get_tree+0x90/0x274 [ 78.470522][ T5611] do_new_mount+0x228/0x810 [ 78.471191][ T5611] path_mount+0x5bc/0x1008 [ 78.471892][ T5611] __arm64_sys_mount+0x514/0x5f0 [ 78.472653][ T5611] invoke_syscall+0x98/0x2b0 [ 78.473395][ T5611] el0_svc_common+0x138/0x258 [ 78.474090][ T5611] do_el0_svc+0x58/0x13c [ 78.474735][ T5611] el0_svc+0x78/0x1d0 [ 78.475338][ T5611] el0t_64_sync_handler+0xcc/0xe4 [ 78.476158][ T5611] el0t_64_sync+0x1a0/0x1a4 [ 78.505714][ T5611] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.507748][ T5611] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.665655][ T5613] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.666831][ T5613] CPU: 0 PID: 5613 Comm: syz.0.57 Not tainted syzkaller #0 [ 78.667908][ T5613] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.669623][ T5613] Call trace: [ 78.670114][ T5613] dump_backtrace+0x0/0x458 [ 78.670780][ T5613] show_stack+0x2c/0x3c [ 78.671415][ T5613] __dump_stack+0x30/0x40 [ 78.672122][ T5613] dump_stack_lvl+0xf4/0x15c [ 78.672811][ T5613] dump_stack+0x1c/0x5c [ 78.673457][ T5613] sysfs_create_dir_ns+0x244/0x264 [ 78.674236][ T5613] kobject_add_internal+0x5ac/0xc3c [ 78.675067][ T5613] kobject_init_and_add+0x124/0x190 [ 78.675985][ T5613] gfs2_sys_fs_add+0x200/0x41c [ 78.676801][ T5613] gfs2_fill_super+0xddc/0x1a18 [ 78.677607][ T5613] get_tree_bdev+0x358/0x544 [ 78.678342][ T5613] gfs2_get_tree+0x54/0x1b4 [ 78.679062][ T5613] vfs_get_tree+0x90/0x274 [ 78.679817][ T5613] do_new_mount+0x228/0x810 [ 78.680559][ T5613] path_mount+0x5bc/0x1008 [ 78.681278][ T5613] __arm64_sys_mount+0x514/0x5f0 [ 78.682093][ T5613] invoke_syscall+0x98/0x2b0 [ 78.682823][ T5613] el0_svc_common+0x138/0x258 [ 78.683605][ T5613] do_el0_svc+0x58/0x13c [ 78.684369][ T5613] el0_svc+0x78/0x1d0 [ 78.685011][ T5613] el0t_64_sync_handler+0xcc/0xe4 [ 78.685793][ T5613] el0t_64_sync+0x1a0/0x1a4 [ 78.689323][ T5615] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.690465][ T5615] CPU: 0 PID: 5615 Comm: syz.2.58 Not tainted syzkaller #0 [ 78.691595][ T5615] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.693107][ T5615] Call trace: [ 78.693684][ T5615] dump_backtrace+0x0/0x458 [ 78.694357][ T5615] show_stack+0x2c/0x3c [ 78.695055][ T5615] __dump_stack+0x30/0x40 [ 78.695727][ T5615] dump_stack_lvl+0xf4/0x15c [ 78.696452][ T5615] dump_stack+0x1c/0x5c [ 78.697085][ T5615] sysfs_create_dir_ns+0x244/0x264 [ 78.697947][ T5615] kobject_add_internal+0x5ac/0xc3c [ 78.698713][ T5615] kobject_init_and_add+0x124/0x190 [ 78.699601][ T5615] gfs2_sys_fs_add+0x200/0x41c [ 78.700072][ T5613] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.700413][ T5615] gfs2_fill_super+0xddc/0x1a18 [ 78.702648][ T5613] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.703363][ T5615] get_tree_bdev+0x358/0x544 [ 78.703381][ T5615] gfs2_get_tree+0x54/0x1b4 [ 78.705905][ T5615] vfs_get_tree+0x90/0x274 [ 78.706668][ T5615] do_new_mount+0x228/0x810 [ 78.707429][ T5615] path_mount+0x5bc/0x1008 [ 78.708182][ T5615] __arm64_sys_mount+0x514/0x5f0 [ 78.709046][ T5615] invoke_syscall+0x98/0x2b0 [ 78.709833][ T5615] el0_svc_common+0x138/0x258 [ 78.710557][ T5617] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.710687][ T5615] do_el0_svc+0x58/0x13c [ 78.712536][ T5615] el0_svc+0x78/0x1d0 [ 78.713177][ T5615] el0t_64_sync_handler+0xcc/0xe4 [ 78.714013][ T5615] el0t_64_sync+0x1a0/0x1a4 [ 78.716012][ T5617] CPU: 1 PID: 5617 Comm: syz.3.59 Not tainted syzkaller #0 [ 78.717043][ T5617] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.717336][ T5615] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.718659][ T5617] Call trace: [ 78.720544][ T5615] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.720993][ T5617] dump_backtrace+0x0/0x458 [ 78.722704][ T5617] show_stack+0x2c/0x3c [ 78.723363][ T5617] __dump_stack+0x30/0x40 [ 78.724037][ T5617] dump_stack_lvl+0xf4/0x15c [ 78.724761][ T5617] dump_stack+0x1c/0x5c [ 78.725455][ T5617] sysfs_create_dir_ns+0x244/0x264 [ 78.726336][ T5617] kobject_add_internal+0x5ac/0xc3c [ 78.727204][ T5617] kobject_init_and_add+0x124/0x190 [ 78.728021][ T5617] gfs2_sys_fs_add+0x200/0x41c [ 78.728800][ T5617] gfs2_fill_super+0xddc/0x1a18 [ 78.729580][ T5617] get_tree_bdev+0x358/0x544 [ 78.730318][ T5617] gfs2_get_tree+0x54/0x1b4 [ 78.731048][ T5617] vfs_get_tree+0x90/0x274 [ 78.731704][ T5617] do_new_mount+0x228/0x810 [ 78.732413][ T5617] path_mount+0x5bc/0x1008 [ 78.733132][ T5617] __arm64_sys_mount+0x514/0x5f0 [ 78.733957][ T5617] invoke_syscall+0x98/0x2b0 [ 78.734630][ T5617] el0_svc_common+0x138/0x258 [ 78.735403][ T5617] do_el0_svc+0x58/0x13c [ 78.736137][ T5617] el0_svc+0x78/0x1d0 [ 78.736843][ T5617] el0t_64_sync_handler+0xcc/0xe4 [ 78.737708][ T5617] el0t_64_sync+0x1a0/0x1a4 [ 78.745640][ T5619] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.746747][ T5619] CPU: 1 PID: 5619 Comm: syz.4.60 Not tainted syzkaller #0 [ 78.747843][ T5619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.749359][ T5619] Call trace: [ 78.749889][ T5619] dump_backtrace+0x0/0x458 [ 78.750680][ T5619] show_stack+0x2c/0x3c [ 78.751300][ T5619] __dump_stack+0x30/0x40 [ 78.751996][ T5619] dump_stack_lvl+0xf4/0x15c [ 78.752693][ T5619] dump_stack+0x1c/0x5c [ 78.753316][ T5619] sysfs_create_dir_ns+0x244/0x264 [ 78.754190][ T5619] kobject_add_internal+0x5ac/0xc3c [ 78.754998][ T5619] kobject_init_and_add+0x124/0x190 [ 78.755806][ T5619] gfs2_sys_fs_add+0x200/0x41c [ 78.756560][ T5619] gfs2_fill_super+0xddc/0x1a18 [ 78.757348][ T5619] get_tree_bdev+0x358/0x544 [ 78.758095][ T5619] gfs2_get_tree+0x54/0x1b4