Warning: Permanently added '10.128.1.61' (ED25519) to the list of known hosts. 2026/07/02 01:05:49 parsed 1 programs Setting up swapspace version 1, size = 127995904 bytes [ 105.205811][ T4514] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 107.770359][ T1282] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 107.785061][ T1282] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 107.815901][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 107.917939][ T156] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 107.935432][ T156] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 107.985122][ T1282] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 109.027986][ T4686] chnl_net:caif_netlink_parms(): no params data found [ 109.147208][ T4686] bridge0: port 1(bridge_slave_0) entered blocking state [ 109.162669][ T4686] bridge0: port 1(bridge_slave_0) entered disabled state [ 109.189533][ T4686] device bridge_slave_0 entered promiscuous mode [ 109.199447][ T4686] bridge0: port 2(bridge_slave_1) entered blocking state [ 109.208045][ T4686] bridge0: port 2(bridge_slave_1) entered disabled state [ 109.217003][ T4686] device bridge_slave_1 entered promiscuous mode [ 109.242418][ T4686] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 109.254499][ T4686] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 109.282277][ T4686] team0: Port device team_slave_0 added [ 109.291442][ T4686] team0: Port device team_slave_1 added [ 109.312913][ T4686] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 109.320287][ T4686] 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. [ 109.352567][ T4686] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 109.370376][ T4686] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 109.378912][ T4686] 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. [ 109.406735][ T4686] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 109.447459][ T4686] device hsr_slave_0 entered promiscuous mode [ 109.455566][ T4686] device hsr_slave_1 entered promiscuous mode [ 109.572610][ T4686] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 109.583079][ T4686] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 109.595906][ T4686] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 109.606327][ T4686] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 109.634912][ T4686] bridge0: port 2(bridge_slave_1) entered blocking state [ 109.642604][ T4686] bridge0: port 2(bridge_slave_1) entered forwarding state [ 109.651336][ T4686] bridge0: port 1(bridge_slave_0) entered blocking state [ 109.658897][ T4686] bridge0: port 1(bridge_slave_0) entered forwarding state [ 109.714594][ T4686] 8021q: adding VLAN 0 to HW filter on device bond0 [ 109.729726][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 109.739695][ T144] bridge0: port 1(bridge_slave_0) entered disabled state [ 109.748816][ T144] bridge0: port 2(bridge_slave_1) entered disabled state [ 109.758024][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 109.773478][ T4686] 8021q: adding VLAN 0 to HW filter on device team0 [ 109.787852][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 109.798019][ T144] bridge0: port 1(bridge_slave_0) entered blocking state [ 109.805316][ T144] bridge0: port 1(bridge_slave_0) entered forwarding state [ 109.828230][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 109.837973][ T156] bridge0: port 2(bridge_slave_1) entered blocking state [ 109.845859][ T156] bridge0: port 2(bridge_slave_1) entered forwarding state [ 109.869770][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 109.879891][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 109.890578][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 109.900175][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 109.910980][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 109.927034][ T4686] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 110.035884][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 110.043386][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 110.057572][ T4686] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 110.081838][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 110.092156][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 110.191803][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 110.211652][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 110.221905][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 110.232759][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 110.246131][ T4686] device veth0_vlan entered promiscuous mode [ 110.269600][ T4686] device veth1_vlan entered promiscuous mode [ 110.301862][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 110.311074][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 110.319966][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 110.330482][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 110.342138][ T4686] device veth0_macvtap entered promiscuous mode [ 110.352427][ T4686] device veth1_macvtap entered promiscuous mode [ 110.366642][ T4686] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 110.376385][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 110.386497][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 110.397219][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 110.406858][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 110.419043][ T4686] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 110.428082][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 110.437358][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 110.448834][ T4686] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 110.458903][ T4686] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 110.468778][ T4686] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 110.480225][ T4686] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 2026/07/02 01:05:58 executed programs: 0 [ 110.656225][ T4291] Bluetooth: hci0: command 0x0409 tx timeout [ 111.132574][ T4716] chnl_net:caif_netlink_parms(): no params data found [ 111.222830][ T4725] chnl_net:caif_netlink_parms(): no params data found [ 111.294241][ T4714] chnl_net:caif_netlink_parms(): no params data found [ 111.334102][ T4716] bridge0: port 1(bridge_slave_0) entered blocking state [ 111.341835][ T4716] bridge0: port 1(bridge_slave_0) entered disabled state [ 111.350285][ T4716] device bridge_slave_0 entered promiscuous mode [ 111.363045][ T4716] bridge0: port 2(bridge_slave_1) entered blocking state [ 111.372065][ T4716] bridge0: port 2(bridge_slave_1) entered disabled state [ 111.381106][ T4716] device bridge_slave_1 entered promiscuous mode [ 111.398218][ T4727] chnl_net:caif_netlink_parms(): no params data found [ 111.478649][ T4716] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 111.521550][ T4716] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 111.548068][ T4716] team0: Port device team_slave_0 added [ 111.564737][ T4716] team0: Port device team_slave_1 added [ 111.588490][ T4725] bridge0: port 1(bridge_slave_0) entered blocking state [ 111.596964][ T4725] bridge0: port 1(bridge_slave_0) entered disabled state [ 111.607911][ T4725] device bridge_slave_0 entered promiscuous mode [ 111.623391][ T4722] chnl_net:caif_netlink_parms(): no params data found [ 111.646449][ T4714] bridge0: port 1(bridge_slave_0) entered blocking state [ 111.654202][ T4714] bridge0: port 1(bridge_slave_0) entered disabled state [ 111.663152][ T4714] device bridge_slave_0 entered promiscuous mode [ 111.671369][ T4725] bridge0: port 2(bridge_slave_1) entered blocking state [ 111.678803][ T4725] bridge0: port 2(bridge_slave_1) entered disabled state [ 111.689230][ T4725] device bridge_slave_1 entered promiscuous mode [ 111.724004][ T4727] bridge0: port 1(bridge_slave_0) entered blocking state [ 111.732174][ T4727] bridge0: port 1(bridge_slave_0) entered disabled state [ 111.742221][ T4727] device bridge_slave_0 entered promiscuous mode [ 111.755956][ T4727] bridge0: port 2(bridge_slave_1) entered blocking state [ 111.763702][ T4727] bridge0: port 2(bridge_slave_1) entered disabled state [ 111.773297][ T4727] device bridge_slave_1 entered promiscuous mode [ 111.781262][ T4716] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 111.788891][ T4716] 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. [ 111.816490][ T4716] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 111.829915][ T4714] bridge0: port 2(bridge_slave_1) entered blocking state [ 111.837445][ T4714] bridge0: port 2(bridge_slave_1) entered disabled state [ 111.847252][ T4714] device bridge_slave_1 entered promiscuous mode [ 111.871778][ T4716] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 111.880273][ T4716] 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. [ 111.910120][ T4716] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 111.977687][ T4714] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 111.990494][ T4725] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 112.005954][ T4725] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 112.020616][ T4727] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 112.034238][ T4716] device hsr_slave_0 entered promiscuous mode [ 112.042099][ T4716] device hsr_slave_1 entered promiscuous mode [ 112.048961][ T4716] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 112.057851][ T4716] Cannot create hsr debugfs directory [ 112.067237][ T4714] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 112.093177][ T4727] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 112.159325][ T4725] team0: Port device team_slave_0 added [ 112.175952][ T4725] team0: Port device team_slave_1 added [ 112.184843][ T4727] team0: Port device team_slave_0 added [ 112.202880][ T4714] team0: Port device team_slave_0 added [ 112.231304][ T4722] bridge0: port 1(bridge_slave_0) entered blocking state [ 112.239785][ T4722] bridge0: port 1(bridge_slave_0) entered disabled state [ 112.248736][ T4722] device bridge_slave_0 entered promiscuous mode [ 112.268903][ T4727] team0: Port device team_slave_1 added [ 112.279743][ T4714] team0: Port device team_slave_1 added [ 112.298773][ T4722] bridge0: port 2(bridge_slave_1) entered blocking state [ 112.309688][ T4722] bridge0: port 2(bridge_slave_1) entered disabled state [ 112.319132][ T4722] device bridge_slave_1 entered promiscuous mode [ 112.352227][ T4714] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 112.360629][ T4714] 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. [ 112.390186][ T4714] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 112.410382][ T4725] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 112.418991][ T4725] 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. [ 112.446882][ T4725] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 112.470017][ T4727] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 112.478356][ T4727] 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. [ 112.507617][ T4727] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 112.520414][ T4714] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 112.528089][ T4714] 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. [ 112.554827][ T4714] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 112.577267][ T4725] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 112.585433][ T4725] 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. [ 112.612454][ T4725] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 112.631607][ T4727] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 112.638971][ T4727] 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. [ 112.666489][ T4727] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 112.685230][ T4722] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 112.712397][ T4722] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 112.725608][ T7] Bluetooth: hci2: command 0x0409 tx timeout [ 112.754464][ T4722] team0: Port device team_slave_0 added [ 112.784258][ T4722] team0: Port device team_slave_1 added [ 112.808257][ T7] Bluetooth: hci3: command 0x0409 tx timeout [ 112.816023][ T7] Bluetooth: hci4: command 0x0409 tx timeout [ 112.822496][ T4727] device hsr_slave_0 entered promiscuous mode [ 112.823304][ T7] Bluetooth: hci1: command 0x0409 tx timeout [ 112.836784][ T4727] device hsr_slave_1 entered promiscuous mode [ 112.843504][ T4727] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 112.852512][ T4727] Cannot create hsr debugfs directory [ 112.863770][ T4714] device hsr_slave_0 entered promiscuous mode [ 112.871984][ T4714] device hsr_slave_1 entered promiscuous mode [ 112.880912][ T4714] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 112.890266][ T4714] Cannot create hsr debugfs directory [ 112.898015][ T7] Bluetooth: hci0: command 0x0409 tx timeout [ 112.944194][ T4722] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 112.951733][ T4722] 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. [ 112.982401][ T4722] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 113.003665][ T4722] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 113.012353][ T4722] 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. [ 113.042510][ T4722] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 113.157037][ T4725] device hsr_slave_0 entered promiscuous mode [ 113.173782][ T4725] device hsr_slave_1 entered promiscuous mode [ 113.181947][ T4725] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 113.197173][ T4725] Cannot create hsr debugfs directory [ 113.379467][ T4722] device hsr_slave_0 entered promiscuous mode [ 113.390375][ T4722] device hsr_slave_1 entered promiscuous mode [ 113.399130][ T4722] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 113.407737][ T4722] Cannot create hsr debugfs directory [ 113.888733][ T4714] netdevsim netdevsim1 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 113.905948][ T4727] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 113.962416][ T4727] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 113.972453][ T4727] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 113.983486][ T4727] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 114.077926][ T4727] 8021q: adding VLAN 0 to HW filter on device bond0 [ 114.110843][ T1282] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 114.126313][ T1282] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 114.137717][ T4727] 8021q: adding VLAN 0 to HW filter on device team0 [ 114.159501][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 114.176045][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 114.192651][ T154] bridge0: port 1(bridge_slave_0) entered blocking state [ 114.200046][ T154] bridge0: port 1(bridge_slave_0) entered forwarding state [ 114.227376][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 114.236791][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 114.246398][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 114.255506][ T154] bridge0: port 2(bridge_slave_1) entered blocking state [ 114.262689][ T154] bridge0: port 2(bridge_slave_1) entered forwarding state [ 114.272711][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 114.282374][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 114.299733][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 114.314062][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 114.337087][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 114.348134][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 114.365598][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 114.385895][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 114.405350][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 114.418548][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 114.427646][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 114.442920][ T4727] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 114.579873][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 114.589334][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 114.618205][ T4727] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 114.815197][ T4333] Bluetooth: hci2: command 0x041b tx timeout [ 114.885473][ T4333] Bluetooth: hci1: command 0x041b tx timeout [ 114.895295][ T4333] Bluetooth: hci4: command 0x041b tx timeout [ 114.914246][ T4333] Bluetooth: hci3: command 0x041b tx timeout [ 114.975420][ T4333] Bluetooth: hci0: command 0x041b tx timeout [ 115.035820][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 115.055726][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 115.100968][ T4714] netdevsim netdevsim1 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 115.163231][ T1282] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 115.173928][ T1282] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 115.192614][ T4727] device veth0_vlan entered promiscuous mode [ 115.221291][ T4714] netdevsim netdevsim1 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 115.265802][ T1282] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 115.284874][ T1282] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 115.308529][ T4727] device veth1_vlan entered promiscuous mode [ 115.348098][ T4714] netdevsim netdevsim1 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 115.389991][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 115.407891][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 115.424214][ T4727] device veth0_macvtap entered promiscuous mode [ 115.468481][ T4727] device veth1_macvtap entered promiscuous mode [ 115.514870][ T4727] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 115.530722][ T4727] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 115.543735][ T4727] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 115.569388][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 115.586657][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 115.601615][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 115.612461][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 115.647286][ T4727] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 115.670195][ T4727] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 115.695743][ T4727] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 115.708928][ T4725] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 115.730333][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 115.744774][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 115.761612][ T4727] netdevsim netdevsim4 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 115.771744][ T4727] netdevsim netdevsim4 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 115.783813][ T4727] netdevsim netdevsim4 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 115.793860][ T4727] netdevsim netdevsim4 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 115.812842][ T4725] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 115.838699][ T4725] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 115.876411][ T4725] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 116.066498][ T4716] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 116.080293][ T4716] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 116.122495][ T4716] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 116.152815][ T4716] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 116.181552][ T156] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 116.195075][ T156] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 116.239251][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 116.274896][ T4714] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 116.343230][ T4725] 8021q: adding VLAN 0 to HW filter on device bond0 [ 116.364900][ T4714] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 116.427888][ T4714] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 116.438546][ T4847] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 116.447958][ T4847] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 116.460267][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 116.469171][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 116.490825][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 116.566664][ T4714] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 116.605349][ T4725] 8021q: adding VLAN 0 to HW filter on device team0 2026/07/02 01:06:04 executed programs: 10 [ 116.646368][ T4722] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 116.677943][ T4722] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 116.702607][ T4847] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 116.730151][ T4847] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 116.755739][ T4847] bridge0: port 1(bridge_slave_0) entered blocking state [ 116.762949][ T4847] bridge0: port 1(bridge_slave_0) entered forwarding state [ 116.780712][ T4847] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 116.795448][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 116.815539][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 116.835657][ T144] bridge0: port 2(bridge_slave_1) entered blocking state [ 116.843058][ T144] bridge0: port 2(bridge_slave_1) entered forwarding state [ 116.869924][ T4716] 8021q: adding VLAN 0 to HW filter on device bond0 [ 116.878993][ T4722] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 116.894066][ T4722] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 116.900334][ T4336] Bluetooth: hci2: command 0x040f tx timeout [ 116.965676][ T4224] Bluetooth: hci3: command 0x040f tx timeout [ 116.975052][ T4224] Bluetooth: hci4: command 0x040f tx timeout [ 116.990258][ T4224] Bluetooth: hci1: command 0x040f tx timeout [ 116.992435][ T4716] 8021q: adding VLAN 0 to HW filter on device team0 [ 117.028549][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 117.047617][ T4336] Bluetooth: hci0: command 0x040f tx timeout [ 117.049571][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 117.081700][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 117.093942][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 117.110620][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 117.122535][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 117.180052][ T4860] loop4: detected capacity change from 0 to 32768 [ 117.190420][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 117.206815][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 117.219269][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 117.231313][ T4860] gfs2: fsid=statfs_quantum: Trying to join cluster "lock_nolock", "statfs_quantum" [ 117.244523][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 117.259747][ T4860] gfs2: fsid=statfs_quantum: Now mounting FS (format 1801)... [ 117.271685][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 117.281328][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 117.304535][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 117.316077][ T4860] gfs2: fsid=statfs_quantum.s: journal 0 mapped with 18 extents in 1ms [ 117.328555][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 117.338646][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 117.348039][ T144] bridge0: port 1(bridge_slave_0) entered blocking state [ 117.355431][ T144] bridge0: port 1(bridge_slave_0) entered forwarding state [ 117.370294][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 117.405838][ T4725] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 117.505064][ T4860] gfs2: fsid=statfs_quantum.s: first mount done, others may mount [ 117.570348][ T4860] gfs2: fsid=statfs_quantum.s: fatal: invalid metadata block [ 117.570348][ T4860] bh = 2081 (type: exp=3, found=14) [ 117.570348][ T4860] function = gfs2_rgrp_bh_get, file = fs/gfs2/rgrp.c, line = 1224 [ 117.609676][ T4860] gfs2: fsid=statfs_quantum.s: about to withdraw this file system [ 117.619984][ T4860] gfs2: fsid=statfs_quantum.s: Journal recovery skipped for jid 0 until next mount. [ 117.635843][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 117.663168][ T4860] gfs2: fsid=statfs_quantum.s: Glock dequeues delayed: 0 [ 117.675371][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 117.706863][ T144] bridge0: port 2(bridge_slave_1) entered blocking state [ 117.716820][ T144] bridge0: port 2(bridge_slave_1) entered forwarding state [ 117.753839][ T4860] gfs2: fsid=statfs_quantum.s: File system withdrawn [ 117.768640][ T4860] CPU: 0 PID: 4860 Comm: syz.4.21 Not tainted syzkaller #0 [ 117.773534][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 117.776402][ T4860] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 117.776447][ T4860] Call Trace: [ 117.776454][ T4860] [ 117.776471][ T4860] dump_stack_lvl+0x188/0x250 [ 117.776511][ T4860] ? show_regs_print_info+0x20/0x20 [ 117.776529][ T4860] ? load_image+0x410/0x410 [ 117.776546][ T4860] ? preempt_schedule_thunk+0x16/0x18 [ 117.776572][ T4860] gfs2_withdraw+0xb9a/0x14e0 [ 117.793694][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 117.796509][ T4860] ? gfs2_lm+0x240/0x240 [ 117.796538][ T4860] ? gfs2_meta_read+0x7dc/0xa60 [ 117.796560][ T4860] ? gfs2_meta_new+0x160/0x160 [ 117.796578][ T4860] gfs2_metatype_check_ii+0x74/0x90 [ 117.796597][ T4860] gfs2_rgrp_bh_get+0x3b1/0x1360 [ 117.796619][ T4860] ? do_raw_spin_unlock+0x11d/0x230 [ 117.804699][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 117.808542][ T4860] do_promote+0x75b/0xb20 [ 117.808577][ T4860] finish_xmote+0x4c2/0xaf0 [ 117.808598][ T4860] do_xmote+0x752/0x10a0 [ 117.808619][ T4860] gfs2_glock_nq+0xc6b/0x1510 [ 117.808648][ T4860] gfs2_inplace_reserve+0xca4/0x34c0 [ 117.808663][ T4860] ? do_read_cache_page+0xc3b/0x1010 [ 117.808686][ T4860] ? gfs2_write_alloc_required+0x33d/0x680 [ 117.808724][ T4860] ? gfs2_rgrp_out+0x6f0/0x6f0 [ 117.808737][ T4860] ? from_kgid+0x14f/0x6a0 [ 117.808753][ T4860] ? make_kgid+0x650/0x650 [ 117.808771][ T4860] ? gfs2_write_calc_reserv+0x251/0x370 [ 117.808789][ T4860] gfs2_set_dqblk+0x827/0xc30 [ 117.808814][ T4860] ? gfs2_get_dqblk+0x530/0x530 [ 117.841330][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 117.843319][ T4860] ? gfs2_glock_nq_init+0x26/0x60 [ 117.865865][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 117.871134][ T4860] ? gfs2_glock_nq_init+0x26/0x60 [ 117.970090][ T4878] ODEBUG: Out of memory. ODEBUG disabled [ 117.972988][ T4860] ? make_kgid+0x1c4/0x650 [ 117.973016][ T4860] ? from_kgid+0x14f/0x6a0 [ 117.973034][ T4860] ? __might_fault+0xb3/0x110 [ 117.998843][ T4860] quota_setquota+0x4d6/0x590 [ 118.003547][ T4860] ? quota_getnextquota+0x4a0/0x4a0 [ 118.009153][ T4860] ? bpf_lsm_capable+0x5/0x10 [ 118.014893][ T4860] ? security_capable+0x85/0xb0 [ 118.020119][ T4860] ? do_quotactl+0x549/0x760 [ 118.025368][ T4860] __se_sys_quotactl+0x28b/0x6f0 [ 118.032155][ T4860] ? __x64_sys_quotactl+0xa0/0xa0 [ 118.037900][ T4860] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 118.044456][ T4860] ? lock_chain_count+0x20/0x20 [ 118.049348][ T4860] ? lockdep_hardirqs_on+0x94/0x140 [ 118.055546][ T4860] do_syscall_64+0x4c/0xa0 [ 118.061598][ T4860] ? clear_bhb_loop+0x30/0x80 [ 118.067165][ T4860] ? clear_bhb_loop+0x30/0x80 [ 118.072394][ T4860] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 118.079656][ T4860] RIP: 0033:0x7ff7b82d6819 [ 118.089072][ T4860] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 118.112183][ T4860] RSP: 002b:00007ff7b7938028 EFLAGS: 00000246 ORIG_RAX: 00000000000000b3 [ 118.124311][ T4860] RAX: ffffffffffffffda RBX: 00007ff7b854ffa0 RCX: 00007ff7b82d6819 [ 118.134547][ T4860] RDX: 0000000000000000 RSI: 0000200000002540 RDI: ffffffff80000801 [ 118.144218][ T4860] RBP: 00007ff7b836cc91 R08: 0000000000000000 R09: 0000000000000000 [ 118.153820][ T4860] R10: 0000200000000140 R11: 0000000000000246 R12: 0000000000000000 [ 118.163977][ T4860] R13: 00007ff7b8550038 R14: 00007ff7b854ffa0 R15: 00007ffdbfe7e288 [ 118.174766][ T4860] [ 118.199607][ T4878] syz.4.21 (4878): drop_caches: 2 [ 118.248107][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 118.278043][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 118.403780][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 118.430018][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 118.466003][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 118.485542][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 118.504715][ T4716] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 118.586448][ T4722] 8021q: adding VLAN 0 to HW filter on device bond0 [ 118.613933][ T4714] 8021q: adding VLAN 0 to HW filter on device bond0 [ 118.637909][ T4722] 8021q: adding VLAN 0 to HW filter on device team0 [ 118.670852][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 118.687405][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 118.715468][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 118.723648][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 118.772943][ T4725] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 118.802727][ T4887] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 118.822972][ T4887] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 118.833371][ T4887] bridge0: port 1(bridge_slave_0) entered blocking state [ 118.840833][ T4887] bridge0: port 1(bridge_slave_0) entered forwarding state [ 118.856475][ T4887] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 118.864113][ T4887] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 118.879988][ T4887] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 118.891529][ T4887] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 118.919094][ T4714] 8021q: adding VLAN 0 to HW filter on device team0 [ 118.931043][ T4716] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 118.952347][ T4887] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 118.962537][ T4887] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 118.972468][ T4887] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 118.975521][ T4224] Bluetooth: hci2: command 0x0419 tx timeout [ 118.989197][ T4887] bridge0: port 2(bridge_slave_1) entered blocking state [ 118.996618][ T4887] bridge0: port 2(bridge_slave_1) entered forwarding state [ 119.013754][ T4887] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 119.023949][ T4887] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 119.045656][ T4337] Bluetooth: hci1: command 0x0419 tx timeout [ 119.075079][ T4337] Bluetooth: hci4: command 0x0419 tx timeout [ 119.081763][ T4337] Bluetooth: hci3: command 0x0419 tx timeout [ 119.104433][ T4887] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 119.116013][ T4887] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 119.125609][ T4337] Bluetooth: hci0: command 0x0419 tx timeout [ 119.132786][ T4887] bridge0: port 1(bridge_slave_0) entered blocking state [ 119.140237][ T4887] bridge0: port 1(bridge_slave_0) entered forwarding state [ 119.154526][ T4887] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 119.163984][ T4887] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 119.179602][ T4887] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 119.190155][ T4887] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 119.203809][ T4887] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 119.217110][ T4887] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 119.232845][ T4887] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 119.242940][ T4887] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 119.258068][ T4887] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 119.272173][ T4887] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 119.283430][ T4887] bridge0: port 2(bridge_slave_1) entered blocking state [ 119.290833][ T4887] bridge0: port 2(bridge_slave_1) entered forwarding state [ 119.309159][ T4887] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 119.321359][ T4887] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 119.336724][ T4887] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 119.355517][ T4887] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 119.366117][ T4722] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 119.429860][ T4714] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 119.442526][ T4714] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 119.468953][ T4887] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 119.479527][ T4887] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 119.488811][ T4887] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 119.500117][ T4887] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 119.509568][ T4887] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 119.518550][ T4887] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 119.528430][ T4887] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 119.537547][ T4887] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 119.546686][ T4887] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 119.555435][ T4887] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 119.564209][ T4887] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 119.573690][ T4887] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 119.582834][ T4887] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 119.593068][ T4887] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 119.604492][ T4887] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 119.613852][ T4887] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 119.622141][ T4887] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 119.630642][ T4887] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 119.643145][ T4725] device veth0_vlan entered promiscuous mode [ 119.664076][ T4716] device veth0_vlan entered promiscuous mode [ 119.715352][ T4887] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 119.735952][ T4887] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 119.748579][ T4725] device veth1_vlan entered promiscuous mode [ 119.774060][ T4716] device veth1_vlan entered promiscuous mode [ 119.799310][ T4887] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 119.817996][ T4887] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 119.853606][ T4887] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 119.907108][ T4722] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 119.958539][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 119.969276][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 119.978431][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 119.993211][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 120.003301][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 120.034553][ T4725] device veth0_macvtap entered promiscuous mode [ 120.076551][ T4716] device veth0_macvtap entered promiscuous mode [ 120.087096][ T4716] device veth1_macvtap entered promiscuous mode [ 120.097465][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 120.113213][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 120.122278][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 120.139080][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 120.152681][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 120.184029][ T4725] device veth1_macvtap entered promiscuous mode [ 120.193625][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 120.210406][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 120.222875][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 120.242977][ T4714] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 120.264246][ T4716] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 120.280780][ T4716] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 120.292967][ T4716] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 120.308869][ T4716] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 120.322768][ T4716] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 120.341440][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 120.354144][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 120.366779][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 120.382687][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 120.412279][ T4722] device veth0_vlan entered promiscuous mode [ 120.431394][ T4725] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 120.443424][ T4725] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 120.460797][ T4725] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 120.473095][ T4725] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 120.490191][ T4725] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 120.504018][ T4725] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 120.523820][ T4725] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 120.532021][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 120.547372][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 120.560384][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 120.572330][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 120.600826][ T4716] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 120.614187][ T4716] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 120.625665][ T4716] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 120.636734][ T4716] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 120.657505][ T4716] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 120.697082][ T4722] device veth1_vlan entered promiscuous mode [ 120.705270][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 120.713139][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 120.724342][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 120.734500][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 120.751975][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 120.761954][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 120.776005][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 120.784875][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 120.800819][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 120.812853][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 120.821370][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 120.836316][ T4725] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 120.849066][ T4725] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 120.859297][ T4725] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 120.870334][ T4725] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 120.881106][ T4725] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 120.892950][ T4725] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 120.904761][ T4725] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 120.913575][ T4714] device veth0_vlan entered promiscuous mode [ 120.935578][ T4716] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 120.944678][ T4716] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 120.954472][ T4716] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 120.963785][ T4716] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 120.975357][ T4887] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 120.984456][ T4887] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 121.003832][ T4714] device veth1_vlan entered promiscuous mode [ 121.014062][ T4725] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 121.030699][ T4725] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 121.040661][ T4725] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 121.058962][ T4725] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 121.112882][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 121.133672][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 121.166395][ T4722] device veth0_macvtap entered promiscuous mode [ 121.185377][ T4722] device veth1_macvtap entered promiscuous mode [ 121.251825][ T4722] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 121.267791][ T4722] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 121.278546][ T4722] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 121.291676][ T4722] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 121.302421][ T4722] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 121.314409][ T4722] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 121.326072][ T4722] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 121.338346][ T4722] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 121.351233][ T4722] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 121.364042][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 121.384646][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 121.403101][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 121.414319][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 121.430373][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 121.441933][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 121.463406][ T4714] device veth0_macvtap entered promiscuous mode [ 121.478852][ T4887] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 121.501219][ T4887] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 121.510500][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 121.532288][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 121.558778][ T4722] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 121.574081][ T4722] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 121.592614][ T4722] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 121.604832][ T4722] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 121.624624][ T4722] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 121.642932][ T4722] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 121.654808][ T4722] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 121.673279][ T4722] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 121.686316][ T4722] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 121.719013][ T4714] device veth1_macvtap entered promiscuous mode [ 121.734392][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 121.744616][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 121.761957][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 121.776304][ T4722] netdevsim netdevsim3 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 121.787007][ T4722] netdevsim netdevsim3 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 121.797246][ T4722] netdevsim netdevsim3 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 121.807637][ T4722] netdevsim netdevsim3 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 121.832837][ T9] device hsr_slave_0 left promiscuous mode [ 121.853094][ T9] device hsr_slave_1 left promiscuous mode [ 121.864555][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 121.878157][ T9] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 121.891066][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 121.902225][ T9] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 121.914358][ T9] device bridge_slave_1 left promiscuous mode [ 121.924760][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 121.941917][ T9] device bridge_slave_0 left promiscuous mode [ 121.952400][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 121.969251][ T9] device veth1_macvtap left promiscuous mode [ 121.982450][ T9] device veth0_macvtap left promiscuous mode [ 121.989995][ T9] device veth1_vlan left promiscuous mode [ 122.002738][ T9] device veth0_vlan left promiscuous mode [ 122.211173][ T9] team0 (unregistering): Port device team_slave_1 removed [ 122.226318][ T9] team0 (unregistering): Port device team_slave_0 removed [ 122.239316][ T9] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 122.255477][ T9] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 122.317107][ T9] bond0 (unregistering): Released all slaves [ 122.407790][ T4887] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 122.408440][ T4714] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 122.424725][ T4887] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 122.427733][ T4714] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 122.444561][ T4714] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 122.455464][ T4714] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 122.465787][ T4714] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 122.476362][ T4714] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 122.488422][ T4714] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 122.501061][ T4714] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 122.512483][ T4714] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 122.526416][ T4714] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 122.537334][ T4714] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 122.548560][ T4714] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 122.559586][ T4714] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 122.570719][ T4714] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 122.581712][ T4714] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 122.593315][ T4714] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 122.603884][ T4714] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 122.616577][ T4714] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 122.631289][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 122.639804][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 122.649022][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 122.658205][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 122.666984][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 122.685828][ T4847] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 122.691924][ T144] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 122.694638][ T4847] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 122.703206][ T4714] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 122.717716][ T144] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 122.725519][ T4714] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 122.738243][ T4714] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 122.747475][ T4714] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 122.801239][ T4847] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 122.810747][ T4847] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2026/07/02 01:06:10 executed programs: 12 [ 122.895815][ T156] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 122.959759][ T156] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 123.023718][ T4847] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 123.097351][ T4847] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 123.136671][ T144] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 123.140167][ T4847] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 123.157889][ T156] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 123.158170][ T144] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 123.176997][ T156] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 123.179594][ T4867] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 123.208472][ T4867] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 123.259316][ T4867] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 124.046849][ T5019] loop0: detected capacity change from 0 to 32768 [ 124.119332][ T5019] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 124.149406][ T5019] CPU: 0 PID: 5019 Comm: syz.0.17 Not tainted syzkaller #0 [ 124.156830][ T5019] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 124.167512][ T5019] Call Trace: [ 124.171175][ T5019] [ 124.174121][ T5019] dump_stack_lvl+0x188/0x250 [ 124.179305][ T5019] ? show_regs_print_info+0x20/0x20 [ 124.184615][ T5019] ? load_image+0x410/0x410 [ 124.189408][ T5019] sysfs_create_dir_ns+0x26a/0x290 [ 124.194890][ T5019] ? sysfs_warn_dup+0xa0/0xa0 [ 124.199952][ T5019] ? do_raw_spin_unlock+0x11d/0x230 [ 124.205732][ T5019] kobject_add_internal+0x5ba/0xcd0 [ 124.211056][ T5019] kobject_init_and_add+0x128/0x190 [ 124.216537][ T5019] ? lockdep_softirqs_off+0x430/0x430 [ 124.222397][ T5019] ? kobject_add+0x230/0x230 [ 124.227116][ T5019] ? __init_swait_queue_head+0xa4/0x140 [ 124.233504][ T5019] gfs2_sys_fs_add+0x24f/0x4b0 [ 124.238743][ T5019] ? gfs2_recover_set+0x240/0x240 [ 124.243969][ T5019] ? snprintf+0xe5/0x140 [ 124.248477][ T5019] ? __free_pages+0x95/0x1a0 [ 124.253512][ T5019] ? vscnprintf+0x80/0x80 [ 124.258092][ T5019] gfs2_fill_super+0x11ed/0x1ea0 [ 124.263590][ T5019] ? gfs2_reconfigure+0xd80/0xd80 [ 124.269046][ T5019] ? sb_set_blocksize+0xa5/0xe0 [ 124.274199][ T5019] get_tree_bdev+0x3e6/0x610 [ 124.279026][ T5019] ? gfs2_reconfigure+0xd80/0xd80 [ 124.284078][ T5019] gfs2_get_tree+0x4d/0x1e0 [ 124.288691][ T5019] vfs_get_tree+0x88/0x270 [ 124.293317][ T5019] do_new_mount+0x247/0xa40 [ 124.297983][ T5019] __se_sys_mount+0x2e3/0x3d0 [ 124.302776][ T5019] ? __x64_sys_mount+0xc0/0xc0 [ 124.307679][ T5019] ? lockdep_hardirqs_on+0x94/0x140 [ 124.313093][ T5019] ? __x64_sys_mount+0x1c/0xc0 [ 124.318072][ T5019] do_syscall_64+0x4c/0xa0 [ 124.322801][ T5019] ? clear_bhb_loop+0x30/0x80 [ 124.327763][ T5019] ? clear_bhb_loop+0x30/0x80 [ 124.332935][ T5019] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 124.339171][ T5019] RIP: 0033:0x7f4fe4632a8a [ 124.343690][ T5019] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 124.364657][ T5019] RSP: 002b:00007f4fe3c92e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 124.373531][ T5019] RAX: ffffffffffffffda RBX: 00007f4fe3c92ee0 RCX: 00007f4fe4632a8a [ 124.381845][ T5019] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f4fe3c92ea0 [ 124.390099][ T5019] RBP: 00002000000008c0 R08: 00007f4fe3c92ee0 R09: 0000000000008c1b [ 124.398616][ T5019] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100 [ 124.406959][ T5019] R13: 00007f4fe3c92ea0 R14: 000000000001276f R15: 0000200000000240 [ 124.415490][ T5019] [ 124.443178][ T5021] loop2: detected capacity change from 0 to 32768 [ 124.445342][ T5019] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 124.520972][ T5021] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 124.520985][ T5019] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 124.595071][ T5021] CPU: 0 PID: 5021 Comm: syz.2.19 Not tainted syzkaller #0 [ 124.602644][ T5021] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 124.614451][ T5021] Call Trace: [ 124.618099][ T5021] [ 124.621045][ T5021] dump_stack_lvl+0x188/0x250 [ 124.626206][ T5021] ? show_regs_print_info+0x20/0x20 [ 124.631700][ T5021] ? load_image+0x410/0x410 [ 124.636240][ T5021] sysfs_create_dir_ns+0x26a/0x290 [ 124.641551][ T5021] ? sysfs_warn_dup+0xa0/0xa0 [ 124.646522][ T5021] ? do_raw_spin_unlock+0x11d/0x230 [ 124.652018][ T5021] kobject_add_internal+0x5ba/0xcd0 [ 124.657605][ T5021] kobject_init_and_add+0x128/0x190 [ 124.662924][ T5021] ? lockdep_softirqs_off+0x430/0x430 [ 124.668567][ T5021] ? kobject_add+0x230/0x230 [ 124.673269][ T5021] ? __init_swait_queue_head+0xa4/0x140 [ 124.679128][ T5021] gfs2_sys_fs_add+0x24f/0x4b0 [ 124.683937][ T5030] loop3: detected capacity change from 0 to 32768 [ 124.684000][ T5021] ? gfs2_recover_set+0x240/0x240 [ 124.696186][ T5021] ? snprintf+0xe5/0x140 [ 124.700542][ T5021] ? __free_pages+0x95/0x1a0 [ 124.705156][ T5021] ? vscnprintf+0x80/0x80 [ 124.710055][ T5021] gfs2_fill_super+0x11ed/0x1ea0 [ 124.716063][ T5021] ? gfs2_reconfigure+0xd80/0xd80 [ 124.721339][ T5021] ? sb_set_blocksize+0xa5/0xe0 [ 124.726565][ T5021] get_tree_bdev+0x3e6/0x610 [ 124.731454][ T5021] ? gfs2_reconfigure+0xd80/0xd80 [ 124.737137][ T5021] gfs2_get_tree+0x4d/0x1e0 [ 124.742054][ T5021] vfs_get_tree+0x88/0x270 [ 124.746770][ T5021] do_new_mount+0x247/0xa40 [ 124.751652][ T5021] __se_sys_mount+0x2e3/0x3d0 [ 124.756476][ T5021] ? __x64_sys_mount+0xc0/0xc0 [ 124.761352][ T5021] ? lockdep_hardirqs_on+0x94/0x140 [ 124.766743][ T5021] ? __x64_sys_mount+0x1c/0xc0 [ 124.771533][ T5021] do_syscall_64+0x4c/0xa0 [ 124.776055][ T5021] ? clear_bhb_loop+0x30/0x80 [ 124.780979][ T5021] ? clear_bhb_loop+0x30/0x80 [ 124.786312][ T5021] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 124.792513][ T5021] RIP: 0033:0x7f921cc36a8a [ 124.797422][ T5021] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 124.817757][ T5021] RSP: 002b:00007f921c296e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 124.826368][ T5021] RAX: ffffffffffffffda RBX: 00007f921c296ee0 RCX: 00007f921cc36a8a [ 124.834664][ T5021] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f921c296ea0 [ 124.843369][ T5021] RBP: 00002000000008c0 R08: 00007f921c296ee0 R09: 0000000000008c1b [ 124.851919][ T5021] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100 [ 124.860092][ T5021] R13: 00007f921c296ea0 R14: 000000000001276f R15: 0000200000000240 [ 124.869141][ T5021] [ 124.933630][ T5030] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 124.964719][ T5030] CPU: 1 PID: 5030 Comm: syz.3.20 Not tainted syzkaller #0 [ 124.972073][ T5030] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 124.982540][ T5030] Call Trace: [ 124.986027][ T5030] [ 124.989256][ T5030] dump_stack_lvl+0x188/0x250 [ 124.994323][ T5030] ? show_regs_print_info+0x20/0x20 [ 125.000337][ T5030] ? load_image+0x410/0x410 [ 125.004293][ T5033] loop1: detected capacity change from 0 to 32768 [ 125.005313][ T5030] sysfs_create_dir_ns+0x26a/0x290 [ 125.005340][ T5030] ? sysfs_warn_dup+0xa0/0xa0 [ 125.005358][ T5030] ? do_raw_spin_unlock+0x11d/0x230 [ 125.028451][ T5030] kobject_add_internal+0x5ba/0xcd0 [ 125.033956][ T5030] kobject_init_and_add+0x128/0x190 [ 125.039611][ T5030] ? lockdep_softirqs_off+0x430/0x430 [ 125.045103][ T5030] ? kobject_add+0x230/0x230 [ 125.049897][ T5030] ? __init_swait_queue_head+0xa4/0x140 [ 125.055467][ T5030] gfs2_sys_fs_add+0x24f/0x4b0 [ 125.060996][ T5030] ? gfs2_recover_set+0x240/0x240 [ 125.066258][ T5030] ? snprintf+0xe5/0x140 [ 125.071134][ T5030] ? __free_pages+0x95/0x1a0 [ 125.075917][ T5030] ? vscnprintf+0x80/0x80 [ 125.080279][ T5030] gfs2_fill_super+0x11ed/0x1ea0 [ 125.085252][ T5030] ? gfs2_reconfigure+0xd80/0xd80 [ 125.085772][ T5021] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 125.090538][ T5030] ? sb_set_blocksize+0xa5/0xe0 [ 125.090567][ T5030] get_tree_bdev+0x3e6/0x610 [ 125.090590][ T5030] ? gfs2_reconfigure+0xd80/0xd80 [ 125.121866][ T5030] gfs2_get_tree+0x4d/0x1e0 [ 125.126488][ T5030] vfs_get_tree+0x88/0x270 [ 125.131018][ T5030] do_new_mount+0x247/0xa40 [ 125.135647][ T5030] __se_sys_mount+0x2e3/0x3d0 [ 125.141038][ T5030] ? __x64_sys_mount+0xc0/0xc0 [ 125.145836][ T5030] ? lockdep_hardirqs_on+0x94/0x140 [ 125.151142][ T5030] ? __x64_sys_mount+0x1c/0xc0 [ 125.156209][ T5030] do_syscall_64+0x4c/0xa0 [ 125.157921][ T5021] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 125.160737][ T5030] ? clear_bhb_loop+0x30/0x80 [ 125.173286][ T5030] ? clear_bhb_loop+0x30/0x80 [ 125.178246][ T5030] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 125.184420][ T5030] RIP: 0033:0x7f6e6a1caa8a [ 125.189030][ T5030] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 125.211381][ T5030] RSP: 002b:00007f6e6982ae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 125.219999][ T5030] RAX: ffffffffffffffda RBX: 00007f6e6982aee0 RCX: 00007f6e6a1caa8a [ 125.229033][ T5030] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f6e6982aea0 [ 125.237979][ T5030] RBP: 00002000000008c0 R08: 00007f6e6982aee0 R09: 0000000000008c1b [ 125.246238][ T5030] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100 [ 125.251405][ T5019] syz.0.17 (5019): drop_caches: 2 [ 125.254563][ T5030] R13: 00007f6e6982aea0 R14: 000000000001276f R15: 0000200000000240 [ 125.254589][ T5030] [ 125.272527][ T5030] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 125.295766][ T5030] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 125.347381][ T5033] gfs2: fsid=statfs_quantum: Trying to join cluster "lock_nolock", "statfs_quantum" [ 125.380313][ T5033] gfs2: fsid=statfs_quantum: Now mounting FS (format 1801)... [ 125.545585][ T5033] gfs2: fsid=statfs_quantum.s: journal 0 mapped with 18 extents in 0ms [ 125.920411][ T5033] gfs2: fsid=statfs_quantum.s: first mount done, others may mount [ 126.015521][ T5033] gfs2: fsid=statfs_quantum.s: fatal: invalid metadata block [ 126.015521][ T5033] bh = 2081 (type: exp=3, found=14) [ 126.015521][ T5033] function = gfs2_rgrp_bh_get, file = fs/gfs2/rgrp.c, line = 1224 [ 126.134997][ T5033] gfs2: fsid=statfs_quantum.s: about to withdraw this file system [ 126.168999][ T5030] syz.3.20 (5030): drop_caches: 2 [ 126.198448][ T5033] gfs2: fsid=statfs_quantum.s: Journal recovery skipped for jid 0 until next mount. [ 126.240739][ T5033] gfs2: fsid=statfs_quantum.s: Glock dequeues delayed: 0 [ 126.296375][ T5033] gfs2: fsid=statfs_quantum.s: File system withdrawn [ 126.345502][ T5033] CPU: 1 PID: 5033 Comm: syz.1.18 Not tainted syzkaller #0 [ 126.353559][ T5033] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 126.365989][ T5033] Call Trace: [ 126.369399][ T5033] [ 126.373062][ T5033] dump_stack_lvl+0x188/0x250 [ 126.378735][ T5033] ? show_regs_print_info+0x20/0x20 [ 126.384613][ T5033] ? load_image+0x410/0x410 [ 126.389906][ T5033] gfs2_withdraw+0xb9a/0x14e0 [ 126.396271][ T5033] ? gfs2_lm+0x240/0x240 [ 126.401172][ T5033] ? gfs2_meta_read+0x7dc/0xa60 [ 126.406419][ T5033] ? gfs2_meta_new+0x160/0x160 [ 126.411894][ T5033] gfs2_metatype_check_ii+0x74/0x90 [ 126.417571][ T5033] gfs2_rgrp_bh_get+0x3b1/0x1360 [ 126.422632][ T5033] ? do_raw_spin_unlock+0x11d/0x230 [ 126.427944][ T5033] do_promote+0x75b/0xb20 [ 126.432311][ T5033] finish_xmote+0x4c2/0xaf0 [ 126.436848][ T5033] do_xmote+0x752/0x10a0 [ 126.442354][ T5033] gfs2_glock_nq+0xc6b/0x1510 [ 126.447259][ T5033] gfs2_inplace_reserve+0xca4/0x34c0 [ 126.452731][ T5033] ? do_read_cache_page+0xc3b/0x1010 [ 126.458133][ T5033] ? gfs2_write_alloc_required+0x33d/0x680 [ 126.464536][ T5033] ? gfs2_rgrp_out+0x6f0/0x6f0 [ 126.469764][ T5033] ? from_kgid+0x14f/0x6a0 [ 126.474859][ T5033] ? make_kgid+0x650/0x650 [ 126.479573][ T5033] ? gfs2_write_calc_reserv+0x251/0x370 [ 126.486423][ T5033] gfs2_set_dqblk+0x827/0xc30 [ 126.491314][ T5033] ? gfs2_get_dqblk+0x530/0x530 [ 126.496537][ T5033] ? gfs2_glock_nq_init+0x26/0x60 [ 126.501901][ T5033] ? gfs2_glock_nq_init+0x26/0x60 [ 126.507052][ T5033] ? make_kgid+0x1c4/0x650 [ 126.511663][ T5033] ? from_kgid+0x14f/0x6a0 [ 126.516270][ T5033] ? __might_fault+0xb3/0x110 [ 126.521079][ T5033] quota_setquota+0x4d6/0x590 [ 126.526132][ T5033] ? quota_getnextquota+0x4a0/0x4a0 [ 126.531448][ T5033] ? bpf_lsm_capable+0x5/0x10 [ 126.536324][ T5033] ? security_capable+0x85/0xb0 [ 126.541371][ T5033] ? do_quotactl+0x549/0x760 [ 126.545986][ T5033] __se_sys_quotactl+0x28b/0x6f0 [ 126.551126][ T5033] ? __x64_sys_quotactl+0xa0/0xa0 [ 126.556190][ T5033] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 126.562610][ T5033] ? lock_chain_count+0x20/0x20 [ 126.567668][ T5033] ? lockdep_hardirqs_on+0x94/0x140 [ 126.572945][ T5033] do_syscall_64+0x4c/0xa0 [ 126.577772][ T5033] ? clear_bhb_loop+0x30/0x80 [ 126.582655][ T5033] ? clear_bhb_loop+0x30/0x80 [ 126.589024][ T5033] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 126.595218][ T5033] RIP: 0033:0x7f9d7b968819 [ 126.600101][ T5033] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 126.610843][ T5021] syz.2.19 (5021): drop_caches: 2 [ 126.621549][ T5033] RSP: 002b:00007f9d7afca028 EFLAGS: 00000246 ORIG_RAX: 00000000000000b3 [ 126.621574][ T5033] RAX: ffffffffffffffda RBX: 00007f9d7bbe1fa0 RCX: 00007f9d7b968819 [ 126.621585][ T5033] RDX: 0000000000000000 RSI: 0000200000002540 RDI: ffffffff80000801 [ 126.621595][ T5033] RBP: 00007f9d7b9fec91 R08: 0000000000000000 R09: 0000000000000000 [ 126.662985][ T5033] R10: 0000200000000140 R11: 0000000000000246 R12: 0000000000000000 [ 126.671201][ T5033] R13: 00007f9d7bbe2038 R14: 00007f9d7bbe1fa0 R15: 00007ffcc6b9cc28 [ 126.679314][ T5033] [ 126.832611][ T5061] syz.1.18 (5061): drop_caches: 2 [ 126.900400][ T5050] loop0: detected capacity change from 0 to 32768 [ 126.940099][ T5050] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 126.990422][ T5050] CPU: 0 PID: 5050 Comm: syz.0.23 Not tainted syzkaller #0 [ 126.998126][ T5050] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 127.008541][ T5050] Call Trace: [ 127.012036][ T5050] [ 127.015246][ T5050] dump_stack_lvl+0x188/0x250 [ 127.020040][ T5050] ? show_regs_print_info+0x20/0x20 [ 127.025523][ T5050] ? load_image+0x410/0x410 [ 127.030138][ T5050] sysfs_create_dir_ns+0x26a/0x290 [ 127.035839][ T5050] ? sysfs_warn_dup+0xa0/0xa0 [ 127.040649][ T5050] ? do_raw_spin_unlock+0x11d/0x230 [ 127.046061][ T5050] kobject_add_internal+0x5ba/0xcd0 [ 127.051490][ T5050] kobject_init_and_add+0x128/0x190 [ 127.056801][ T5050] ? lockdep_softirqs_off+0x430/0x430 [ 127.062292][ T5050] ? kobject_add+0x230/0x230 [ 127.067181][ T5050] ? __init_swait_queue_head+0xa4/0x140 [ 127.073175][ T5050] gfs2_sys_fs_add+0x24f/0x4b0 [ 127.078051][ T5050] ? gfs2_recover_set+0x240/0x240 [ 127.083179][ T5050] ? snprintf+0xe5/0x140 [ 127.087612][ T5050] ? __free_pages+0x95/0x1a0 [ 127.092494][ T5050] ? vscnprintf+0x80/0x80 [ 127.097215][ T5050] gfs2_fill_super+0x11ed/0x1ea0 [ 127.102473][ T5050] ? gfs2_reconfigure+0xd80/0xd80 [ 127.107991][ T5050] ? sb_set_blocksize+0xa5/0xe0 [ 127.114000][ T5050] get_tree_bdev+0x3e6/0x610 [ 127.118633][ T5050] ? gfs2_reconfigure+0xd80/0xd80 [ 127.123776][ T5050] gfs2_get_tree+0x4d/0x1e0 [ 127.128498][ T5050] vfs_get_tree+0x88/0x270 [ 127.133118][ T5050] do_new_mount+0x247/0xa40 [ 127.137656][ T5050] __se_sys_mount+0x2e3/0x3d0 [ 127.142533][ T5050] ? __x64_sys_mount+0xc0/0xc0 [ 127.147318][ T5050] ? lockdep_hardirqs_on+0x94/0x140 [ 127.152534][ T5050] ? __x64_sys_mount+0x1c/0xc0 [ 127.157666][ T5050] do_syscall_64+0x4c/0xa0 [ 127.162295][ T5050] ? clear_bhb_loop+0x30/0x80 [ 127.167084][ T5050] ? clear_bhb_loop+0x30/0x80 [ 127.172046][ T5050] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 127.178180][ T5050] RIP: 0033:0x7f4fe4632a8a [ 127.182849][ T5050] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 127.203387][ T5050] RSP: 002b:00007f4fe3c92e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 127.212888][ T5050] RAX: ffffffffffffffda RBX: 00007f4fe3c92ee0 RCX: 00007f4fe4632a8a [ 127.221067][ T5050] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f4fe3c92ea0 [ 127.229146][ T5050] RBP: 00002000000008c0 R08: 00007f4fe3c92ee0 R09: 0000000000008c1b [ 127.237218][ T5050] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100 [ 127.245361][ T5050] R13: 00007f4fe3c92ea0 R14: 000000000001276f R15: 0000200000000240 [ 127.253462][ T5050] [ 127.264871][ T5055] loop4: detected capacity change from 0 to 32768 [ 127.396392][ T5055] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 127.425010][ T5055] CPU: 1 PID: 5055 Comm: syz.4.22 Not tainted syzkaller #0 [ 127.432812][ T5055] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 127.443230][ T5055] Call Trace: [ 127.446524][ T5055] [ 127.449471][ T5055] dump_stack_lvl+0x188/0x250 [ 127.454186][ T5055] ? show_regs_print_info+0x20/0x20 [ 127.459760][ T5055] ? load_image+0x410/0x410 [ 127.464574][ T5055] sysfs_create_dir_ns+0x26a/0x290 [ 127.471128][ T5055] ? sysfs_warn_dup+0xa0/0xa0 [ 127.476200][ T5055] ? do_raw_spin_unlock+0x11d/0x230 [ 127.482504][ T5055] kobject_add_internal+0x5ba/0xcd0 [ 127.488096][ T5055] kobject_init_and_add+0x128/0x190 [ 127.493993][ T5055] ? lockdep_softirqs_off+0x430/0x430 [ 127.499580][ T5055] ? kobject_add+0x230/0x230 [ 127.504472][ T5055] ? __init_swait_queue_head+0xa4/0x140 [ 127.510050][ T5055] gfs2_sys_fs_add+0x24f/0x4b0 [ 127.514954][ T5055] ? gfs2_recover_set+0x240/0x240 [ 127.520443][ T5055] ? snprintf+0xe5/0x140 [ 127.525451][ T5055] ? __free_pages+0x95/0x1a0 [ 127.530499][ T5055] ? vscnprintf+0x80/0x80 [ 127.534846][ T5055] gfs2_fill_super+0x11ed/0x1ea0 [ 127.540080][ T5055] ? gfs2_reconfigure+0xd80/0xd80 [ 127.545277][ T5055] ? sb_set_blocksize+0xa5/0xe0 [ 127.550332][ T5055] get_tree_bdev+0x3e6/0x610 [ 127.555131][ T5055] ? gfs2_reconfigure+0xd80/0xd80 [ 127.560271][ T5055] gfs2_get_tree+0x4d/0x1e0 [ 127.564993][ T5055] vfs_get_tree+0x88/0x270 [ 127.569523][ T5055] do_new_mount+0x247/0xa40 [ 127.574571][ T5055] __se_sys_mount+0x2e3/0x3d0 [ 127.579439][ T5055] ? __x64_sys_mount+0xc0/0xc0 [ 127.584331][ T5055] ? lockdep_hardirqs_on+0x94/0x140 [ 127.589838][ T5055] ? __x64_sys_mount+0x1c/0xc0 [ 127.594715][ T5055] do_syscall_64+0x4c/0xa0 [ 127.599583][ T5055] ? clear_bhb_loop+0x30/0x80 [ 127.604467][ T5055] ? clear_bhb_loop+0x30/0x80 [ 127.609133][ T5055] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 127.616502][ T5055] RIP: 0033:0x7ff7b82d7a8a [ 127.621279][ T5055] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 127.641574][ T5055] RSP: 002b:00007ff7b7937e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 127.650199][ T5055] RAX: ffffffffffffffda RBX: 00007ff7b7937ee0 RCX: 00007ff7b82d7a8a [ 127.658251][ T5055] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007ff7b7937ea0 [ 127.666226][ T5055] RBP: 00002000000008c0 R08: 00007ff7b7937ee0 R09: 0000000000008c1b [ 127.674416][ T5055] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100 [ 127.683567][ T5055] R13: 00007ff7b7937ea0 R14: 000000000001276f R15: 0000200000000240 [ 127.692152][ T5055] [ 127.697414][ T5050] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 127.744137][ T5065] loop3: detected capacity change from 0 to 32768 [ 127.751600][ T5050] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 127.793514][ T5065] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 127.824755][ T5065] CPU: 1 PID: 5065 Comm: syz.3.24 Not tainted syzkaller #0 [ 127.832387][ T5065] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 127.843154][ T5065] Call Trace: [ 127.846968][ T5065] [ 127.849999][ T5065] dump_stack_lvl+0x188/0x250 [ 127.854970][ T5065] ? show_regs_print_info+0x20/0x20 [ 127.860922][ T5065] ? load_image+0x410/0x410 [ 127.866947][ T5065] sysfs_create_dir_ns+0x26a/0x290 [ 127.872362][ T5065] ? sysfs_warn_dup+0xa0/0xa0 [ 127.877809][ T5065] ? do_raw_spin_unlock+0x11d/0x230 [ 127.883218][ T5065] kobject_add_internal+0x5ba/0xcd0 [ 127.888950][ T5065] kobject_init_and_add+0x128/0x190 [ 127.894313][ T5065] ? lockdep_softirqs_off+0x430/0x430 [ 127.899864][ T5065] ? kobject_add+0x230/0x230 [ 127.904452][ T5065] ? __init_swait_queue_head+0xa4/0x140 [ 127.909993][ T5065] gfs2_sys_fs_add+0x24f/0x4b0 [ 127.914921][ T5065] ? gfs2_recover_set+0x240/0x240 [ 127.919939][ T5065] ? snprintf+0xe5/0x140 [ 127.924255][ T5065] ? __free_pages+0x95/0x1a0 [ 127.928937][ T5065] ? vscnprintf+0x80/0x80 [ 127.933287][ T5065] gfs2_fill_super+0x11ed/0x1ea0 [ 127.938246][ T5065] ? gfs2_reconfigure+0xd80/0xd80 [ 127.943485][ T5065] ? sb_set_blocksize+0xa5/0xe0 [ 127.948451][ T5065] get_tree_bdev+0x3e6/0x610 [ 127.953303][ T5065] ? gfs2_reconfigure+0xd80/0xd80 [ 127.958329][ T5065] gfs2_get_tree+0x4d/0x1e0 [ 127.962839][ T5065] vfs_get_tree+0x88/0x270 [ 127.967556][ T5065] do_new_mount+0x247/0xa40 [ 127.972419][ T5065] __se_sys_mount+0x2e3/0x3d0 [ 127.977196][ T5065] ? __x64_sys_mount+0xc0/0xc0 [ 127.981957][ T5065] ? lockdep_hardirqs_on+0x94/0x140 [ 127.987265][ T5065] ? __x64_sys_mount+0x1c/0xc0 [ 127.992445][ T5065] do_syscall_64+0x4c/0xa0 [ 127.996949][ T5065] ? clear_bhb_loop+0x30/0x80 [ 128.001752][ T5065] ? clear_bhb_loop+0x30/0x80 [ 128.006717][ T5065] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 128.013080][ T5065] RIP: 0033:0x7f6e6a1caa8a [ 128.017765][ T5065] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 128.039101][ T5065] RSP: 002b:00007f6e6982ae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 128.048219][ T5065] RAX: ffffffffffffffda RBX: 00007f6e6982aee0 RCX: 00007f6e6a1caa8a [ 128.056818][ T5065] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f6e6982aea0 [ 128.065421][ T5065] RBP: 00002000000008c0 R08: 00007f6e6982aee0 R09: 0000000000008c1b [ 128.073740][ T5065] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100 [ 128.081830][ T5065] R13: 00007f6e6982aea0 R14: 000000000001276f R15: 0000200000000240 [ 128.090362][ T5065] [ 128.151471][ T5055] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 128.172417][ T5065] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 128.212237][ T5055] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 128.221109][ T5065] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 128.396251][ T5068] loop2: detected capacity change from 0 to 32768 2026/07/02 01:06:16 executed programs: 20 [ 128.497917][ T5050] syz.0.23 (5050): drop_caches: 2 [ 128.673282][ T5055] syz.4.22 (5055): drop_caches: 2 [ 128.801261][ T5068] gfs2: fsid=statfs_quantum: Trying to join cluster "lock_nolock", "statfs_quantum" [ 128.823329][ T5068] gfs2: fsid=statfs_quantum: Now mounting FS (format 1801)... [ 128.825130][ T5065] syz.3.24 (5065): drop_caches: 2 [ 128.858850][ T5068] gfs2: fsid=statfs_quantum.s: journal 0 mapped with 18 extents in 0ms [ 129.143703][ T5068] gfs2: fsid=statfs_quantum.s: first mount done, others may mount [ 129.221751][ T5068] gfs2: fsid=statfs_quantum.s: fatal: invalid metadata block [ 129.221751][ T5068] bh = 2081 (type: exp=3, found=14) [ 129.221751][ T5068] function = gfs2_rgrp_bh_get, file = fs/gfs2/rgrp.c, line = 1224 [ 129.314747][ T5068] gfs2: fsid=statfs_quantum.s: about to withdraw this file system [ 129.346354][ T5068] gfs2: fsid=statfs_quantum.s: Journal recovery skipped for jid 0 until next mount. [ 129.415167][ T5068] gfs2: fsid=statfs_quantum.s: Glock dequeues delayed: 0 [ 129.448428][ T5068] gfs2: fsid=statfs_quantum.s: File system withdrawn [ 129.457671][ T5101] syz.2.25 (5101): drop_caches: 2 [ 129.486347][ T5068] CPU: 1 PID: 5068 Comm: syz.2.25 Not tainted syzkaller #0 [ 129.493860][ T5068] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 129.504261][ T5068] Call Trace: [ 129.507728][ T5068] [ 129.510758][ T5068] dump_stack_lvl+0x188/0x250 [ 129.515805][ T5068] ? show_regs_print_info+0x20/0x20 [ 129.521190][ T5068] ? load_image+0x410/0x410 [ 129.525815][ T5068] gfs2_withdraw+0xb9a/0x14e0 [ 129.530793][ T5068] ? gfs2_lm+0x240/0x240 [ 129.535053][ T5068] ? gfs2_meta_read+0x7dc/0xa60 [ 129.539931][ T5068] ? gfs2_meta_new+0x160/0x160 [ 129.544721][ T5068] gfs2_metatype_check_ii+0x74/0x90 [ 129.549944][ T5068] gfs2_rgrp_bh_get+0x3b1/0x1360 [ 129.555065][ T5068] ? do_raw_spin_unlock+0x11d/0x230 [ 129.560294][ T5068] do_promote+0x75b/0xb20 [ 129.564666][ T5068] finish_xmote+0x4c2/0xaf0 [ 129.569195][ T5068] do_xmote+0x752/0x10a0 [ 129.573478][ T5068] gfs2_glock_nq+0xc6b/0x1510 [ 129.578274][ T5068] gfs2_inplace_reserve+0xca4/0x34c0 [ 129.583761][ T5068] ? do_read_cache_page+0xc3b/0x1010 [ 129.589817][ T5068] ? gfs2_write_alloc_required+0x33d/0x680 [ 129.595876][ T5068] ? gfs2_rgrp_out+0x6f0/0x6f0 [ 129.600662][ T5068] ? from_kgid+0x14f/0x6a0 [ 129.605212][ T5068] ? make_kgid+0x650/0x650 [ 129.609732][ T5068] ? gfs2_write_calc_reserv+0x251/0x370 [ 129.615653][ T5068] gfs2_set_dqblk+0x827/0xc30 [ 129.620896][ T5068] ? gfs2_get_dqblk+0x530/0x530 [ 129.626177][ T5068] ? gfs2_glock_nq_init+0x26/0x60 [ 129.631343][ T5068] ? gfs2_glock_nq_init+0x26/0x60 [ 129.636877][ T5068] ? make_kgid+0x1c4/0x650 [ 129.641393][ T5068] ? from_kgid+0x14f/0x6a0 [ 129.646007][ T5068] ? __might_fault+0xb3/0x110 [ 129.650727][ T5068] quota_setquota+0x4d6/0x590 [ 129.656444][ T5068] ? quota_getnextquota+0x4a0/0x4a0 [ 129.661680][ T5068] ? bpf_lsm_capable+0x5/0x10 [ 129.666634][ T5068] ? security_capable+0x85/0xb0 [ 129.672216][ T5068] ? do_quotactl+0x549/0x760 [ 129.677016][ T5068] __se_sys_quotactl+0x28b/0x6f0 [ 129.682278][ T5068] ? __x64_sys_quotactl+0xa0/0xa0 [ 129.687743][ T5068] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 129.694186][ T5068] ? lock_chain_count+0x20/0x20 [ 129.699509][ T5068] ? lockdep_hardirqs_on+0x94/0x140 [ 129.704733][ T5068] do_syscall_64+0x4c/0xa0 [ 129.709387][ T5068] ? clear_bhb_loop+0x30/0x80 [ 129.714536][ T5068] ? clear_bhb_loop+0x30/0x80 [ 129.719857][ T5068] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 129.726168][ T5068] RIP: 0033:0x7f921cc35819 [ 129.731104][ T5068] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 129.733873][ T5088] loop1: detected capacity change from 0 to 32768 [ 129.754753][ T5068] RSP: 002b:00007f921c297028 EFLAGS: 00000246 ORIG_RAX: 00000000000000b3 [ 129.754781][ T5068] RAX: ffffffffffffffda RBX: 00007f921ceaefa0 RCX: 00007f921cc35819 [ 129.754792][ T5068] RDX: 0000000000000000 RSI: 0000200000002540 RDI: ffffffff80000801 [ 129.754802][ T5068] RBP: 00007f921cccbc91 R08: 0000000000000000 R09: 0000000000000000 [ 129.754811][ T5068] R10: 0000200000000140 R11: 0000000000000246 R12: 0000000000000000 [ 129.754820][ T5068] R13: 00007f921ceaf038 R14: 00007f921ceaefa0 R15: 00007ffe1a0dbd38 [ 129.754845][ T5068] [ 129.869832][ T5094] loop3: detected capacity change from 0 to 32768 [ 129.871066][ T5088] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 129.920642][ T5094] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 129.965100][ T5094] CPU: 1 PID: 5094 Comm: syz.3.29 Not tainted syzkaller #0 [ 129.972715][ T5094] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 129.983488][ T5094] Call Trace: [ 129.986979][ T5094] [ 129.990051][ T5094] dump_stack_lvl+0x188/0x250 [ 129.995192][ T5094] ? show_regs_print_info+0x20/0x20 [ 130.000808][ T5094] ? load_image+0x410/0x410 [ 130.005664][ T5094] sysfs_create_dir_ns+0x26a/0x290 [ 130.011175][ T5094] ? sysfs_warn_dup+0xa0/0xa0 [ 130.015958][ T5094] ? do_raw_spin_unlock+0x11d/0x230 [ 130.021159][ T5094] kobject_add_internal+0x5ba/0xcd0 [ 130.026402][ T5094] kobject_init_and_add+0x128/0x190 [ 130.031854][ T5094] ? lockdep_softirqs_off+0x430/0x430 [ 130.037720][ T5094] ? kobject_add+0x230/0x230 [ 130.040730][ T5085] loop0: detected capacity change from 0 to 32768 [ 130.042793][ T5094] ? __init_swait_queue_head+0xa4/0x140 [ 130.055356][ T5094] gfs2_sys_fs_add+0x24f/0x4b0 [ 130.060325][ T5094] ? gfs2_recover_set+0x240/0x240 [ 130.065469][ T5094] ? snprintf+0xe5/0x140 [ 130.069833][ T5094] ? __free_pages+0x95/0x1a0 [ 130.075253][ T5094] ? vscnprintf+0x80/0x80 [ 130.080073][ T5094] gfs2_fill_super+0x11ed/0x1ea0 [ 130.085171][ T5094] ? gfs2_reconfigure+0xd80/0xd80 [ 130.090509][ T5094] ? sb_set_blocksize+0xa5/0xe0 [ 130.095554][ T5094] get_tree_bdev+0x3e6/0x610 [ 130.100732][ T5094] ? gfs2_reconfigure+0xd80/0xd80 [ 130.106290][ T5094] gfs2_get_tree+0x4d/0x1e0 [ 130.111008][ T5094] vfs_get_tree+0x88/0x270 [ 130.116137][ T5094] do_new_mount+0x247/0xa40 [ 130.120777][ T5094] __se_sys_mount+0x2e3/0x3d0 [ 130.125741][ T5094] ? __x64_sys_mount+0xc0/0xc0 [ 130.130695][ T5094] ? lockdep_hardirqs_on+0x94/0x140 [ 130.136075][ T5094] ? __x64_sys_mount+0x1c/0xc0 [ 130.140935][ T5094] do_syscall_64+0x4c/0xa0 [ 130.145472][ T5094] ? clear_bhb_loop+0x30/0x80 [ 130.150335][ T5094] ? clear_bhb_loop+0x30/0x80 [ 130.155093][ T5094] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 130.160995][ T5094] RIP: 0033:0x7f6e6a1caa8a [ 130.165673][ T5094] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 130.186153][ T5094] RSP: 002b:00007f6e6982ae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 130.195152][ T5094] RAX: ffffffffffffffda RBX: 00007f6e6982aee0 RCX: 00007f6e6a1caa8a [ 130.204264][ T5094] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f6e6982aea0 [ 130.213445][ T5094] RBP: 00002000000008c0 R08: 00007f6e6982aee0 R09: 0000000000008c1b [ 130.221425][ T5094] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100 [ 130.229667][ T5094] R13: 00007f6e6982aea0 R14: 000000000001276f R15: 0000200000000240 [ 130.237764][ T5094] [ 130.240892][ T5088] CPU: 0 PID: 5088 Comm: syz.1.26 Not tainted syzkaller #0 [ 130.248212][ T5088] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 130.258452][ T5088] Call Trace: [ 130.261757][ T5088] [ 130.264788][ T5088] dump_stack_lvl+0x188/0x250 [ 130.269575][ T5088] ? show_regs_print_info+0x20/0x20 [ 130.274962][ T5088] ? load_image+0x410/0x410 [ 130.279759][ T5088] sysfs_create_dir_ns+0x26a/0x290 [ 130.284968][ T5088] ? sysfs_warn_dup+0xa0/0xa0 [ 130.289741][ T5088] ? do_raw_spin_unlock+0x11d/0x230 [ 130.295037][ T5088] kobject_add_internal+0x5ba/0xcd0 [ 130.300617][ T5088] kobject_init_and_add+0x128/0x190 [ 130.306329][ T5088] ? lockdep_softirqs_off+0x430/0x430 [ 130.311819][ T5088] ? kobject_add+0x230/0x230 [ 130.316432][ T5088] ? __init_swait_queue_head+0xa4/0x140 [ 130.322529][ T5088] gfs2_sys_fs_add+0x24f/0x4b0 [ 130.324770][ T5091] loop4: detected capacity change from 0 to 32768 [ 130.327318][ T5088] ? gfs2_recover_set+0x240/0x240 [ 130.327347][ T5088] ? snprintf+0xe5/0x140 [ 130.327360][ T5088] ? __free_pages+0x95/0x1a0 [ 130.327379][ T5088] ? vscnprintf+0x80/0x80 [ 130.327402][ T5088] gfs2_fill_super+0x11ed/0x1ea0 [ 130.327427][ T5088] ? gfs2_reconfigure+0xd80/0xd80 [ 130.327457][ T5088] ? sb_set_blocksize+0xa5/0xe0 [ 130.327474][ T5088] get_tree_bdev+0x3e6/0x610 [ 130.327492][ T5088] ? gfs2_reconfigure+0xd80/0xd80 [ 130.327510][ T5088] gfs2_get_tree+0x4d/0x1e0 [ 130.327530][ T5088] vfs_get_tree+0x88/0x270 [ 130.327548][ T5088] do_new_mount+0x247/0xa40 [ 130.327572][ T5088] __se_sys_mount+0x2e3/0x3d0 [ 130.327593][ T5088] ? __x64_sys_mount+0xc0/0xc0 [ 130.327610][ T5088] ? lockdep_hardirqs_on+0x94/0x140 [ 130.327628][ T5088] ? __x64_sys_mount+0x1c/0xc0 [ 130.335378][ T5094] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 130.341109][ T5088] do_syscall_64+0x4c/0xa0 [ 130.348875][ T5094] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 130.350738][ T5088] ? clear_bhb_loop+0x30/0x80 [ 130.448371][ T5088] ? clear_bhb_loop+0x30/0x80 [ 130.453338][ T5088] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 130.459657][ T5088] RIP: 0033:0x7f9d7b969a8a [ 130.464622][ T5088] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 130.485305][ T5088] RSP: 002b:00007f9d7afc9e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 130.494169][ T5088] RAX: ffffffffffffffda RBX: 00007f9d7afc9ee0 RCX: 00007f9d7b969a8a [ 130.503317][ T5088] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f9d7afc9ea0 [ 130.512475][ T5088] RBP: 00002000000008c0 R08: 00007f9d7afc9ee0 R09: 0000000000008c1b [ 130.520611][ T5088] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100 [ 130.528811][ T5088] R13: 00007f9d7afc9ea0 R14: 000000000001276f R15: 0000200000000240 [ 130.536813][ T5088] [ 130.544082][ T5088] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 130.558866][ T5088] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 130.599917][ T5085] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 130.599963][ T5091] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 130.641806][ T5085] CPU: 0 PID: 5085 Comm: syz.0.27 Not tainted syzkaller #0 [ 130.649628][ T5085] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 130.659977][ T5085] Call Trace: [ 130.663525][ T5085] [ 130.666497][ T5085] dump_stack_lvl+0x188/0x250 [ 130.671545][ T5085] ? show_regs_print_info+0x20/0x20 [ 130.676855][ T5085] ? load_image+0x410/0x410 [ 130.681386][ T5085] sysfs_create_dir_ns+0x26a/0x290 [ 130.686791][ T5085] ? sysfs_warn_dup+0xa0/0xa0 [ 130.691926][ T5085] ? do_raw_spin_unlock+0x11d/0x230 [ 130.697381][ T5085] kobject_add_internal+0x5ba/0xcd0 [ 130.703205][ T5085] kobject_init_and_add+0x128/0x190 [ 130.708579][ T5085] ? lockdep_softirqs_off+0x430/0x430 [ 130.714417][ T5085] ? kobject_add+0x230/0x230 [ 130.719303][ T5085] ? __init_swait_queue_head+0xa4/0x140 [ 130.724975][ T5085] gfs2_sys_fs_add+0x24f/0x4b0 [ 130.730049][ T5085] ? gfs2_recover_set+0x240/0x240 [ 130.735272][ T5085] ? snprintf+0xe5/0x140 [ 130.739622][ T5085] ? __free_pages+0x95/0x1a0 [ 130.744347][ T5085] ? vscnprintf+0x80/0x80 [ 130.748795][ T5085] gfs2_fill_super+0x11ed/0x1ea0 [ 130.753982][ T5085] ? gfs2_reconfigure+0xd80/0xd80 [ 130.759051][ T5085] ? sb_set_blocksize+0xa5/0xe0 [ 130.764268][ T5085] get_tree_bdev+0x3e6/0x610 [ 130.769070][ T5085] ? gfs2_reconfigure+0xd80/0xd80 [ 130.774285][ T5085] gfs2_get_tree+0x4d/0x1e0 [ 130.778880][ T5085] vfs_get_tree+0x88/0x270 [ 130.783386][ T5085] do_new_mount+0x247/0xa40 [ 130.787897][ T5085] __se_sys_mount+0x2e3/0x3d0 [ 130.792597][ T5085] ? __x64_sys_mount+0xc0/0xc0 [ 130.797556][ T5085] ? lockdep_hardirqs_on+0x94/0x140 [ 130.802984][ T5085] ? __x64_sys_mount+0x1c/0xc0 [ 130.808211][ T5085] do_syscall_64+0x4c/0xa0 [ 130.812809][ T5085] ? clear_bhb_loop+0x30/0x80 [ 130.817604][ T5085] ? clear_bhb_loop+0x30/0x80 [ 130.822308][ T5085] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 130.828390][ T5085] RIP: 0033:0x7f4fe4632a8a [ 130.833203][ T5085] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 130.853134][ T5085] RSP: 002b:00007f4fe3c92e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 130.862304][ T5085] RAX: ffffffffffffffda RBX: 00007f4fe3c92ee0 RCX: 00007f4fe4632a8a [ 130.872451][ T5085] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f4fe3c92ea0 [ 130.882393][ T5085] RBP: 00002000000008c0 R08: 00007f4fe3c92ee0 R09: 0000000000008c1b [ 130.891440][ T5085] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100 [ 130.900438][ T5085] R13: 00007f4fe3c92ea0 R14: 000000000001276f R15: 0000200000000240 [ 130.909050][ T5085] [ 130.912270][ T5091] CPU: 1 PID: 5091 Comm: syz.4.28 Not tainted syzkaller #0 [ 130.917064][ T5085] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 130.919665][ T5091] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 130.919676][ T5091] Call Trace: [ 130.933962][ T5085] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 130.945443][ T5091] [ 130.945460][ T5091] dump_stack_lvl+0x188/0x250 [ 130.945492][ T5091] ? show_regs_print_info+0x20/0x20 [ 130.969571][ T5091] ? load_image+0x410/0x410 [ 130.974049][ T5118] syz.3.29 (5118): drop_caches: 2 [ 130.974101][ T5091] sysfs_create_dir_ns+0x26a/0x290 [ 130.985189][ T5091] ? sysfs_warn_dup+0xa0/0xa0 [ 130.990061][ T5091] ? do_raw_spin_unlock+0x11d/0x230 [ 130.995488][ T5091] kobject_add_internal+0x5ba/0xcd0 [ 131.000882][ T5091] kobject_init_and_add+0x128/0x190 [ 131.006281][ T5091] ? lockdep_softirqs_off+0x430/0x430 [ 131.011676][ T5091] ? kobject_add+0x230/0x230 [ 131.016372][ T5091] ? __init_swait_queue_head+0xa4/0x140 [ 131.022729][ T5091] gfs2_sys_fs_add+0x24f/0x4b0 [ 131.027607][ T5091] ? gfs2_recover_set+0x240/0x240 [ 131.032861][ T5091] ? snprintf+0xe5/0x140 [ 131.037122][ T5091] ? __free_pages+0x95/0x1a0 [ 131.041825][ T5091] ? vscnprintf+0x80/0x80 [ 131.046266][ T5091] gfs2_fill_super+0x11ed/0x1ea0 [ 131.051586][ T5091] ? gfs2_reconfigure+0xd80/0xd80 [ 131.056649][ T5091] ? sb_set_blocksize+0xa5/0xe0 [ 131.061705][ T5091] get_tree_bdev+0x3e6/0x610 [ 131.066657][ T5091] ? gfs2_reconfigure+0xd80/0xd80 [ 131.071705][ T5091] gfs2_get_tree+0x4d/0x1e0 [ 131.076878][ T5091] vfs_get_tree+0x88/0x270 [ 131.081325][ T5091] do_new_mount+0x247/0xa40 [ 131.085871][ T5091] __se_sys_mount+0x2e3/0x3d0 [ 131.090675][ T5091] ? __x64_sys_mount+0xc0/0xc0 [ 131.095764][ T5091] ? lockdep_hardirqs_on+0x94/0x140 [ 131.101244][ T5091] ? __x64_sys_mount+0x1c/0xc0 [ 131.106382][ T5091] do_syscall_64+0x4c/0xa0 [ 131.108280][ T5088] syz.1.26 (5088): drop_caches: 2 [ 131.111664][ T5091] ? clear_bhb_loop+0x30/0x80 [ 131.122711][ T5091] ? clear_bhb_loop+0x30/0x80 [ 131.127677][ T5091] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 131.133706][ T5091] RIP: 0033:0x7ff7b82d7a8a [ 131.137348][ T5085] syz.0.27 (5085): drop_caches: 2 [ 131.138222][ T5091] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 131.163775][ T5091] RSP: 002b:00007ff7b7937e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 131.172513][ T5091] RAX: ffffffffffffffda RBX: 00007ff7b7937ee0 RCX: 00007ff7b82d7a8a [ 131.181119][ T5091] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007ff7b7937ea0 [ 131.189378][ T5091] RBP: 00002000000008c0 R08: 00007ff7b7937ee0 R09: 0000000000008c1b [ 131.197597][ T5091] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100 [ 131.206420][ T5091] R13: 00007ff7b7937ea0 R14: 000000000001276f R15: 0000200000000240 [ 131.214945][ T5091] [ 131.233185][ T5091] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 131.264013][ T5091] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 131.708614][ T5091] syz.4.28 (5091): drop_caches: 2 [ 132.308694][ T5120] loop3: detected capacity change from 0 to 32768 [ 132.362754][ T5123] loop0: detected capacity change from 0 to 32768 [ 132.375372][ T5120] gfs2: fsid=statfs_quantum: Trying to join cluster "lock_nolock", "statfs_quantum" [ 132.414483][ T5125] loop1: detected capacity change from 0 to 32768 [ 132.430762][ T5120] gfs2: fsid=statfs_quantum: Now mounting FS (format 1801)... [ 132.432202][ T5123] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 132.474731][ T5120] gfs2: fsid=statfs_quantum.s: journal 0 mapped with 18 extents in 0ms [ 132.501134][ T5123] CPU: 1 PID: 5123 Comm: syz.0.33 Not tainted syzkaller #0 [ 132.508687][ T5123] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 132.510511][ T5125] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 132.519232][ T5123] Call Trace: [ 132.519247][ T5123] [ 132.519256][ T5123] dump_stack_lvl+0x188/0x250 [ 132.519280][ T5123] ? show_regs_print_info+0x20/0x20 [ 132.519296][ T5123] ? load_image+0x410/0x410 [ 132.519323][ T5123] sysfs_create_dir_ns+0x26a/0x290 [ 132.555060][ T5123] ? sysfs_warn_dup+0xa0/0xa0 [ 132.560203][ T5123] ? do_raw_spin_unlock+0x11d/0x230 [ 132.565607][ T5123] kobject_add_internal+0x5ba/0xcd0 [ 132.571292][ T5123] kobject_init_and_add+0x128/0x190 [ 132.576688][ T5123] ? lockdep_softirqs_off+0x430/0x430 [ 132.582404][ T5123] ? kobject_add+0x230/0x230 [ 132.587877][ T5123] ? __init_swait_queue_head+0xa4/0x140 [ 132.593990][ T5123] gfs2_sys_fs_add+0x24f/0x4b0 [ 132.599463][ T5123] ? gfs2_recover_set+0x240/0x240 [ 132.604509][ T5123] ? snprintf+0xe5/0x140 [ 132.608922][ T5123] ? __free_pages+0x95/0x1a0 [ 132.613586][ T5123] ? vscnprintf+0x80/0x80 [ 132.619249][ T5123] gfs2_fill_super+0x11ed/0x1ea0 [ 132.624328][ T5123] ? gfs2_reconfigure+0xd80/0xd80 [ 132.629653][ T5123] ? sb_set_blocksize+0xa5/0xe0 [ 132.634685][ T5123] get_tree_bdev+0x3e6/0x610 [ 132.639478][ T5123] ? gfs2_reconfigure+0xd80/0xd80 [ 132.644623][ T5123] gfs2_get_tree+0x4d/0x1e0 [ 132.649422][ T5123] vfs_get_tree+0x88/0x270 [ 132.654151][ T5123] do_new_mount+0x247/0xa40 [ 132.659182][ T5123] __se_sys_mount+0x2e3/0x3d0 [ 132.664438][ T5123] ? __x64_sys_mount+0xc0/0xc0 [ 132.669336][ T5123] ? lockdep_hardirqs_on+0x94/0x140 [ 132.675125][ T5123] ? __x64_sys_mount+0x1c/0xc0 [ 132.679940][ T5123] do_syscall_64+0x4c/0xa0 [ 132.684377][ T5123] ? clear_bhb_loop+0x30/0x80 [ 132.689164][ T5123] ? clear_bhb_loop+0x30/0x80 [ 132.694388][ T5123] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 132.700717][ T5123] RIP: 0033:0x7f4fe4632a8a [ 132.705340][ T5123] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 132.726594][ T5123] RSP: 002b:00007f4fe3c92e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 132.735826][ T5123] RAX: ffffffffffffffda RBX: 00007f4fe3c92ee0 RCX: 00007f4fe4632a8a [ 132.744076][ T5123] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f4fe3c92ea0 [ 132.752206][ T5123] RBP: 00002000000008c0 R08: 00007f4fe3c92ee0 R09: 0000000000008c1b [ 132.760734][ T5123] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100 [ 132.768824][ T5123] R13: 00007f4fe3c92ea0 R14: 000000000001276f R15: 0000200000000240 [ 132.776835][ T5123] [ 132.781652][ T5125] CPU: 0 PID: 5125 Comm: syz.1.32 Not tainted syzkaller #0 [ 132.789045][ T5125] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 132.799292][ T5125] Call Trace: [ 132.802676][ T5125] [ 132.805710][ T5125] dump_stack_lvl+0x188/0x250 [ 132.810491][ T5125] ? show_regs_print_info+0x20/0x20 [ 132.815792][ T5125] ? load_image+0x410/0x410 [ 132.820547][ T5125] sysfs_create_dir_ns+0x26a/0x290 [ 132.825807][ T5125] ? sysfs_warn_dup+0xa0/0xa0 [ 132.830504][ T5125] ? do_raw_spin_unlock+0x11d/0x230 [ 132.836081][ T5125] kobject_add_internal+0x5ba/0xcd0 [ 132.836197][ T5130] loop2: detected capacity change from 0 to 32768 [ 132.841874][ T5125] kobject_init_and_add+0x128/0x190 [ 132.854243][ T5125] ? lockdep_softirqs_off+0x430/0x430 [ 132.859998][ T5125] ? kobject_add+0x230/0x230 [ 132.864708][ T5125] ? __init_swait_queue_head+0xa4/0x140 [ 132.870369][ T5125] gfs2_sys_fs_add+0x24f/0x4b0 [ 132.875547][ T5125] ? gfs2_recover_set+0x240/0x240 [ 132.880786][ T5125] ? snprintf+0xe5/0x140 [ 132.885817][ T5125] ? __free_pages+0x95/0x1a0 [ 132.890516][ T5125] ? vscnprintf+0x80/0x80 [ 132.894979][ T5125] gfs2_fill_super+0x11ed/0x1ea0 [ 132.900290][ T5125] ? gfs2_reconfigure+0xd80/0xd80 [ 132.905443][ T5125] ? sb_set_blocksize+0xa5/0xe0 [ 132.910507][ T5125] get_tree_bdev+0x3e6/0x610 [ 132.915194][ T5125] ? gfs2_reconfigure+0xd80/0xd80 [ 132.920489][ T5125] gfs2_get_tree+0x4d/0x1e0 [ 132.925596][ T5125] vfs_get_tree+0x88/0x270 [ 132.930175][ T5125] do_new_mount+0x247/0xa40 [ 132.934718][ T5125] __se_sys_mount+0x2e3/0x3d0 [ 132.939565][ T5125] ? __x64_sys_mount+0xc0/0xc0 [ 132.944325][ T5125] ? lockdep_hardirqs_on+0x94/0x140 [ 132.949596][ T5125] ? __x64_sys_mount+0x1c/0xc0 [ 132.954450][ T5125] do_syscall_64+0x4c/0xa0 [ 132.958877][ T5125] ? clear_bhb_loop+0x30/0x80 [ 132.963552][ T5125] ? clear_bhb_loop+0x30/0x80 [ 132.968396][ T5125] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 132.974547][ T5125] RIP: 0033:0x7f9d7b969a8a [ 132.979071][ T5125] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 132.999286][ T5125] RSP: 002b:00007f9d7afc9e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 133.008071][ T5125] RAX: ffffffffffffffda RBX: 00007f9d7afc9ee0 RCX: 00007f9d7b969a8a [ 133.016393][ T5125] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f9d7afc9ea0 [ 133.024389][ T5125] RBP: 00002000000008c0 R08: 00007f9d7afc9ee0 R09: 0000000000008c1b [ 133.032770][ T5125] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100 [ 133.041341][ T5125] R13: 00007f9d7afc9ea0 R14: 000000000001276f R15: 0000200000000240 [ 133.049778][ T5125] [ 133.059649][ T1433] ieee802154 phy0 wpan0: encryption failed: -22 [ 133.062654][ T5123] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 133.066577][ T1433] ieee802154 phy1 wpan1: encryption failed: -22 [ 133.105982][ T5130] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 133.124192][ T5130] CPU: 1 PID: 5130 Comm: syz.2.30 Not tainted syzkaller #0 [ 133.132692][ T5130] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 133.141146][ T5123] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 133.144381][ T5130] Call Trace: [ 133.144398][ T5130] [ 133.144406][ T5130] dump_stack_lvl+0x188/0x250 [ 133.144431][ T5130] ? show_regs_print_info+0x20/0x20 [ 133.144447][ T5130] ? load_image+0x410/0x410 [ 133.155081][ T5120] gfs2: fsid=statfs_quantum.s: first mount done, others may mount [ 133.155238][ T5130] sysfs_create_dir_ns+0x26a/0x290 [ 133.155265][ T5130] ? sysfs_warn_dup+0xa0/0xa0 [ 133.155280][ T5130] ? do_raw_spin_unlock+0x11d/0x230 [ 133.155299][ T5130] kobject_add_internal+0x5ba/0xcd0 [ 133.204146][ T5130] kobject_init_and_add+0x128/0x190 [ 133.209641][ T5130] ? lockdep_softirqs_off+0x430/0x430 [ 133.214517][ T5120] gfs2: fsid=statfs_quantum.s: fatal: invalid metadata block [ 133.214517][ T5120] bh = 2081 (type: exp=3, found=14) [ 133.214517][ T5120] function = gfs2_rgrp_bh_get, file = fs/gfs2/rgrp.c, line = 1224 [ 133.215475][ T5130] ? kobject_add+0x230/0x230 [ 133.215504][ T5130] ? __init_swait_queue_head+0xa4/0x140 [ 133.215525][ T5130] gfs2_sys_fs_add+0x24f/0x4b0 [ 133.252823][ T5130] ? gfs2_recover_set+0x240/0x240 [ 133.258296][ T5130] ? snprintf+0xe5/0x140 [ 133.262736][ T5130] ? __free_pages+0x95/0x1a0 [ 133.267375][ T5130] ? vscnprintf+0x80/0x80 [ 133.271734][ T5130] gfs2_fill_super+0x11ed/0x1ea0 [ 133.276701][ T5130] ? gfs2_reconfigure+0xd80/0xd80 [ 133.281774][ T5130] ? sb_set_blocksize+0xa5/0xe0 [ 133.286779][ T5130] get_tree_bdev+0x3e6/0x610 [ 133.291490][ T5130] ? gfs2_reconfigure+0xd80/0xd80 [ 133.296624][ T5130] gfs2_get_tree+0x4d/0x1e0 [ 133.301154][ T5130] vfs_get_tree+0x88/0x270 [ 133.305609][ T5130] do_new_mount+0x247/0xa40 [ 133.309645][ T5120] gfs2: fsid=statfs_quantum.s: about to withdraw this file system [ 133.310253][ T5130] __se_sys_mount+0x2e3/0x3d0 [ 133.322812][ T5130] ? __x64_sys_mount+0xc0/0xc0 [ 133.328334][ T5130] ? lockdep_hardirqs_on+0x94/0x140 [ 133.334230][ T5130] ? __x64_sys_mount+0x1c/0xc0 [ 133.339285][ T5130] do_syscall_64+0x4c/0xa0 [ 133.343732][ T5130] ? clear_bhb_loop+0x30/0x80 [ 133.347180][ T5149] syz.3.31 (5149): drop_caches: 2 [ 133.348871][ T5130] ? clear_bhb_loop+0x30/0x80 [ 133.358968][ T5130] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 133.364378][ T5120] gfs2: fsid=statfs_quantum.s: Journal recovery skipped for jid 0 until next mount. [ 133.365488][ T5130] RIP: 0033:0x7f921cc36a8a [ 133.365509][ T5130] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 133.365521][ T5130] RSP: 002b:00007f921c296e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 133.381464][ T5135] loop4: detected capacity change from 0 to 32768 [ 133.401877][ T5130] RAX: ffffffffffffffda RBX: 00007f921c296ee0 RCX: 00007f921cc36a8a [ 133.401899][ T5130] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f921c296ea0 [ 133.401910][ T5130] RBP: 00002000000008c0 R08: 00007f921c296ee0 R09: 0000000000008c1b [ 133.401919][ T5130] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100 [ 133.401928][ T5130] R13: 00007f921c296ea0 R14: 000000000001276f R15: 0000200000000240 [ 133.401950][ T5130] [ 133.427347][ T5130] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 133.444058][ T5120] gfs2: fsid=statfs_quantum.s: Glock dequeues delayed: 0 [ 133.455763][ T5125] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 133.472274][ T5120] gfs2: fsid=statfs_quantum.s: File system withdrawn [ 133.498766][ T5125] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 133.506592][ T5120] CPU: 0 PID: 5120 Comm: syz.3.31 Not tainted syzkaller #0 [ 133.520725][ T5120] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 133.524913][ T5130] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 133.531297][ T5120] Call Trace: [ 133.531312][ T5120] [ 133.545466][ T5120] dump_stack_lvl+0x188/0x250 [ 133.550520][ T5120] ? show_regs_print_info+0x20/0x20 [ 133.555998][ T5120] ? load_image+0x410/0x410 [ 133.560678][ T5120] gfs2_withdraw+0xb9a/0x14e0 [ 133.565493][ T5120] ? gfs2_lm+0x240/0x240 [ 133.569727][ T5120] ? gfs2_meta_read+0x7dc/0xa60 [ 133.575561][ T5120] ? gfs2_meta_new+0x160/0x160 [ 133.580465][ T5120] gfs2_metatype_check_ii+0x74/0x90 [ 133.585840][ T5120] gfs2_rgrp_bh_get+0x3b1/0x1360 [ 133.591030][ T5120] ? do_raw_spin_unlock+0x11d/0x230 [ 133.596654][ T5120] do_promote+0x75b/0xb20 [ 133.601302][ T5120] finish_xmote+0x4c2/0xaf0 [ 133.606060][ T5120] do_xmote+0x752/0x10a0 [ 133.610464][ T5120] gfs2_glock_nq+0xc6b/0x1510 [ 133.615411][ T5120] gfs2_inplace_reserve+0xca4/0x34c0 [ 133.620779][ T5120] ? do_read_cache_page+0xc3b/0x1010 [ 133.626851][ T5120] ? gfs2_write_alloc_required+0x33d/0x680 [ 133.632767][ T5120] ? gfs2_rgrp_out+0x6f0/0x6f0 [ 133.638319][ T5120] ? from_kgid+0x14f/0x6a0 [ 133.643001][ T5120] ? make_kgid+0x650/0x650 [ 133.647539][ T5120] ? gfs2_write_calc_reserv+0x251/0x370 [ 133.653441][ T5120] gfs2_set_dqblk+0x827/0xc30 [ 133.658230][ T5120] ? gfs2_get_dqblk+0x530/0x530 [ 133.663082][ T5120] ? gfs2_glock_nq_init+0x26/0x60 [ 133.668278][ T5120] ? gfs2_glock_nq_init+0x26/0x60 [ 133.673393][ T5120] ? make_kgid+0x1c4/0x650 [ 133.677798][ T5120] ? from_kgid+0x14f/0x6a0 [ 133.682309][ T5120] ? __might_fault+0xb3/0x110 [ 133.687254][ T5120] quota_setquota+0x4d6/0x590 [ 133.692035][ T5120] ? quota_getnextquota+0x4a0/0x4a0 [ 133.697375][ T5120] ? bpf_lsm_capable+0x5/0x10 [ 133.702062][ T5120] ? security_capable+0x85/0xb0 [ 133.707286][ T5120] ? do_quotactl+0x549/0x760 [ 133.712044][ T5120] __se_sys_quotactl+0x28b/0x6f0 [ 133.717189][ T5120] ? __x64_sys_quotactl+0xa0/0xa0 [ 133.722472][ T5120] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 133.728854][ T5120] ? lock_chain_count+0x20/0x20 [ 133.734340][ T5120] ? lockdep_hardirqs_on+0x94/0x140 [ 133.739977][ T5120] do_syscall_64+0x4c/0xa0 [ 133.744734][ T5120] ? clear_bhb_loop+0x30/0x80 [ 133.749406][ T5120] ? clear_bhb_loop+0x30/0x80 [ 133.754347][ T5120] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 133.760744][ T5120] RIP: 0033:0x7f6e6a1c9819 [ 133.765481][ T5120] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 133.785451][ T5120] RSP: 002b:00007f6e6982b028 EFLAGS: 00000246 ORIG_RAX: 00000000000000b3 [ 133.794025][ T5120] RAX: ffffffffffffffda RBX: 00007f6e6a442fa0 RCX: 00007f6e6a1c9819 [ 133.802167][ T5120] RDX: 0000000000000000 RSI: 0000200000002540 RDI: ffffffff80000801 [ 133.810402][ T5120] RBP: 00007f6e6a25fc91 R08: 0000000000000000 R09: 0000000000000000 [ 133.818463][ T5120] R10: 0000200000000140 R11: 0000000000000246 R12: 0000000000000000 [ 133.826520][ T5120] R13: 00007f6e6a443038 R14: 00007f6e6a442fa0 R15: 00007ffde227fc78 [ 133.834874][ T5120] [ 133.883133][ T5130] syz.2.30 (5130): drop_caches: 2 2026/07/02 01:06:21 executed programs: 28 [ 133.966477][ T5135] gfs2: fsid=statfs_quantum: Trying to join cluster "lock_nolock", "statfs_quantum" [ 134.025189][ T5135] gfs2: fsid=statfs_quantum: Now mounting FS (format 1801)... [ 134.121278][ T5135] gfs2: fsid=statfs_quantum.s: journal 0 mapped with 18 extents in 6ms [ 134.424228][ T5135] gfs2: fsid=statfs_quantum.s: first mount done, others may mount [ 134.502074][ T5135] gfs2: fsid=statfs_quantum.s: fatal: invalid metadata block [ 134.502074][ T5135] bh = 2081 (type: exp=3, found=14) [ 134.502074][ T5135] function = gfs2_rgrp_bh_get, file = fs/gfs2/rgrp.c, line = 1224 [ 134.573750][ T5171] syz.4.34 (5171): drop_caches: 2 [ 134.595015][ T5135] gfs2: fsid=statfs_quantum.s: about to withdraw this file system [ 134.634658][ T5135] gfs2: fsid=statfs_quantum.s: Journal recovery skipped for jid 0 until next mount. [ 134.665014][ T5135] gfs2: fsid=statfs_quantum.s: Glock dequeues delayed: 0 [ 134.723530][ T5135] gfs2: fsid=statfs_quantum.s: File system withdrawn [ 134.794877][ T5135] CPU: 1 PID: 5135 Comm: syz.4.34 Not tainted syzkaller #0 [ 134.802944][ T5135] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 134.813231][ T5135] Call Trace: [ 134.816530][ T5135] [ 134.819793][ T5135] dump_stack_lvl+0x188/0x250 [ 134.824587][ T5135] ? show_regs_print_info+0x20/0x20 [ 134.829893][ T5135] ? load_image+0x410/0x410 [ 134.834520][ T5135] gfs2_withdraw+0xb9a/0x14e0 [ 134.839402][ T5135] ? gfs2_lm+0x240/0x240 [ 134.843927][ T5135] ? gfs2_meta_read+0x7dc/0xa60 [ 134.849185][ T5135] ? gfs2_meta_new+0x160/0x160 [ 134.854256][ T5135] gfs2_metatype_check_ii+0x74/0x90 [ 134.859492][ T5135] gfs2_rgrp_bh_get+0x3b1/0x1360 [ 134.864756][ T5135] ? do_raw_spin_unlock+0x11d/0x230 [ 134.870112][ T5135] do_promote+0x75b/0xb20 [ 134.874923][ T5135] finish_xmote+0x4c2/0xaf0 [ 134.879722][ T5135] do_xmote+0x752/0x10a0 [ 134.884274][ T5135] gfs2_glock_nq+0xc6b/0x1510 [ 134.889990][ T5135] gfs2_inplace_reserve+0xca4/0x34c0 [ 134.895408][ T5135] ? do_read_cache_page+0xc3b/0x1010 [ 134.900728][ T5135] ? gfs2_write_alloc_required+0x33d/0x680 [ 134.906898][ T5135] ? gfs2_rgrp_out+0x6f0/0x6f0 [ 134.911953][ T5135] ? from_kgid+0x14f/0x6a0 [ 134.916891][ T5135] ? make_kgid+0x650/0x650 [ 134.921447][ T5135] ? gfs2_write_calc_reserv+0x251/0x370 [ 134.927200][ T5135] gfs2_set_dqblk+0x827/0xc30 [ 134.932510][ T5135] ? gfs2_get_dqblk+0x530/0x530 [ 134.937574][ T5135] ? gfs2_glock_nq_init+0x26/0x60 [ 134.942822][ T5135] ? gfs2_glock_nq_init+0x26/0x60 [ 134.947881][ T5135] ? make_kgid+0x1c4/0x650 [ 134.953011][ T5135] ? from_kgid+0x14f/0x6a0 [ 134.957543][ T5135] ? __might_fault+0xb3/0x110 [ 134.962265][ T5135] quota_setquota+0x4d6/0x590 [ 134.967155][ T5135] ? quota_getnextquota+0x4a0/0x4a0 [ 134.972496][ T5135] ? bpf_lsm_capable+0x5/0x10 [ 134.977487][ T5135] ? security_capable+0x85/0xb0 [ 134.982838][ T5135] ? do_quotactl+0x549/0x760 [ 134.987564][ T5135] __se_sys_quotactl+0x28b/0x6f0 [ 134.993241][ T5135] ? __x64_sys_quotactl+0xa0/0xa0 [ 134.998302][ T5135] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 135.004570][ T5135] ? lock_chain_count+0x20/0x20 [ 135.009460][ T5135] ? lockdep_hardirqs_on+0x94/0x140 [ 135.015213][ T5135] do_syscall_64+0x4c/0xa0 [ 135.019745][ T5135] ? clear_bhb_loop+0x30/0x80 [ 135.024446][ T5135] ? clear_bhb_loop+0x30/0x80 [ 135.029148][ T5135] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 135.035293][ T5135] RIP: 0033:0x7ff7b82d6819 [ 135.039898][ T5135] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 135.060103][ T5135] RSP: 002b:00007ff7b7938028 EFLAGS: 00000246 ORIG_RAX: 00000000000000b3 [ 135.068900][ T5135] RAX: ffffffffffffffda RBX: 00007ff7b854ffa0 RCX: 00007ff7b82d6819 [ 135.077245][ T5135] RDX: 0000000000000000 RSI: 0000200000002540 RDI: ffffffff80000801 [ 135.086469][ T5135] RBP: 00007ff7b836cc91 R08: 0000000000000000 R09: 0000000000000000 [ 135.095468][ T5135] R10: 0000200000000140 R11: 0000000000000246 R12: 0000000000000000 [ 135.104229][ T5135] R13: 00007ff7b8550038 R14: 00007ff7b854ffa0 R15: 00007ffdbfe7e288 [ 135.113839][ T5135] [ 135.249322][ T5165] loop0: detected capacity change from 0 to 32768 [ 135.292274][ T5165] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 135.322159][ T5165] CPU: 0 PID: 5165 Comm: syz.0.37 Not tainted syzkaller #0 [ 135.324573][ T5157] loop2: detected capacity change from 0 to 32768 [ 135.330148][ T5165] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 135.330163][ T5165] Call Trace: [ 135.330170][ T5165] [ 135.330177][ T5165] dump_stack_lvl+0x188/0x250 [ 135.330200][ T5165] ? show_regs_print_info+0x20/0x20 [ 135.330215][ T5165] ? load_image+0x410/0x410 [ 135.330238][ T5165] sysfs_create_dir_ns+0x26a/0x290 [ 135.330257][ T5165] ? sysfs_warn_dup+0xa0/0xa0 [ 135.330273][ T5165] ? do_raw_spin_unlock+0x11d/0x230 [ 135.330293][ T5165] kobject_add_internal+0x5ba/0xcd0 [ 135.330317][ T5165] kobject_init_and_add+0x128/0x190 [ 135.330335][ T5165] ? lockdep_softirqs_off+0x430/0x430 [ 135.330357][ T5165] ? kobject_add+0x230/0x230 [ 135.409606][ T5165] ? __init_swait_queue_head+0xa4/0x140 [ 135.415395][ T5165] gfs2_sys_fs_add+0x24f/0x4b0 [ 135.420851][ T5165] ? gfs2_recover_set+0x240/0x240 [ 135.425900][ T5165] ? snprintf+0xe5/0x140 [ 135.430179][ T5165] ? __free_pages+0x95/0x1a0 [ 135.434892][ T5165] ? vscnprintf+0x80/0x80 [ 135.439246][ T5165] gfs2_fill_super+0x11ed/0x1ea0 [ 135.444689][ T5165] ? gfs2_reconfigure+0xd80/0xd80 [ 135.449781][ T5165] ? sb_set_blocksize+0xa5/0xe0 [ 135.454874][ T5165] get_tree_bdev+0x3e6/0x610 [ 135.459629][ T5165] ? gfs2_reconfigure+0xd80/0xd80 [ 135.464679][ T5165] gfs2_get_tree+0x4d/0x1e0 [ 135.469209][ T5165] vfs_get_tree+0x88/0x270 [ 135.473963][ T5165] do_new_mount+0x247/0xa40 [ 135.479075][ T5165] __se_sys_mount+0x2e3/0x3d0 [ 135.484914][ T5165] ? __x64_sys_mount+0xc0/0xc0 [ 135.490936][ T5165] ? lockdep_hardirqs_on+0x94/0x140 [ 135.496444][ T5165] ? __x64_sys_mount+0x1c/0xc0 [ 135.501435][ T5165] do_syscall_64+0x4c/0xa0 [ 135.505965][ T5165] ? clear_bhb_loop+0x30/0x80 [ 135.511761][ T5165] ? clear_bhb_loop+0x30/0x80 [ 135.516724][ T5165] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 135.522806][ T5165] RIP: 0033:0x7f4fe4632a8a [ 135.529265][ T5165] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 135.550839][ T5165] RSP: 002b:00007f4fe3c92e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 135.559822][ T5165] RAX: ffffffffffffffda RBX: 00007f4fe3c92ee0 RCX: 00007f4fe4632a8a [ 135.569521][ T5165] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f4fe3c92ea0 [ 135.577848][ T5165] RBP: 00002000000008c0 R08: 00007f4fe3c92ee0 R09: 0000000000008c1b [ 135.586703][ T5165] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100 [ 135.598389][ T5165] R13: 00007f4fe3c92ea0 R14: 000000000001276f R15: 0000200000000240 [ 135.609777][ T5165] [ 135.628657][ T5157] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 135.675193][ T5157] CPU: 1 PID: 5157 Comm: syz.2.36 Not tainted syzkaller #0 [ 135.682959][ T5157] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 135.694290][ T5157] Call Trace: [ 135.697787][ T5157] [ 135.701096][ T5157] dump_stack_lvl+0x188/0x250 [ 135.706290][ T5157] ? show_regs_print_info+0x20/0x20 [ 135.712809][ T5157] ? load_image+0x410/0x410 [ 135.716103][ T5167] loop1: detected capacity change from 0 to 32768 [ 135.717703][ T5157] sysfs_create_dir_ns+0x26a/0x290 [ 135.730525][ T5157] ? sysfs_warn_dup+0xa0/0xa0 [ 135.735432][ T5157] ? do_raw_spin_unlock+0x11d/0x230 [ 135.740883][ T5157] kobject_add_internal+0x5ba/0xcd0 [ 135.746592][ T5157] kobject_init_and_add+0x128/0x190 [ 135.753089][ T5157] ? lockdep_softirqs_off+0x430/0x430 [ 135.758841][ T5157] ? kobject_add+0x230/0x230 [ 135.764421][ T5157] ? __init_swait_queue_head+0xa4/0x140 [ 135.770426][ T5157] gfs2_sys_fs_add+0x24f/0x4b0 [ 135.775886][ T5157] ? gfs2_recover_set+0x240/0x240 [ 135.781099][ T5157] ? snprintf+0xe5/0x140 [ 135.785417][ T5157] ? __free_pages+0x95/0x1a0 [ 135.790294][ T5157] ? vscnprintf+0x80/0x80 [ 135.794730][ T5157] gfs2_fill_super+0x11ed/0x1ea0 [ 135.800034][ T5157] ? gfs2_reconfigure+0xd80/0xd80 [ 135.805065][ T5157] ? sb_set_blocksize+0xa5/0xe0 [ 135.810078][ T5157] get_tree_bdev+0x3e6/0x610 [ 135.815003][ T5157] ? gfs2_reconfigure+0xd80/0xd80 [ 135.820260][ T5157] gfs2_get_tree+0x4d/0x1e0 [ 135.824848][ T5157] vfs_get_tree+0x88/0x270 [ 135.829368][ T5157] do_new_mount+0x247/0xa40 [ 135.833950][ T5157] __se_sys_mount+0x2e3/0x3d0 [ 135.838991][ T5157] ? __x64_sys_mount+0xc0/0xc0 [ 135.843950][ T5157] ? lockdep_hardirqs_on+0x94/0x140 [ 135.849386][ T5157] ? __x64_sys_mount+0x1c/0xc0 [ 135.854533][ T5157] do_syscall_64+0x4c/0xa0 [ 135.859142][ T5157] ? clear_bhb_loop+0x30/0x80 [ 135.864001][ T5157] ? clear_bhb_loop+0x30/0x80 [ 135.869018][ T5157] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 135.875345][ T5157] RIP: 0033:0x7f921cc36a8a [ 135.880118][ T5157] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 135.900975][ T5157] RSP: 002b:00007f921c296e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 135.909746][ T5157] RAX: ffffffffffffffda RBX: 00007f921c296ee0 RCX: 00007f921cc36a8a [ 135.918773][ T5157] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f921c296ea0 [ 135.926755][ T5157] RBP: 00002000000008c0 R08: 00007f921c296ee0 R09: 0000000000008c1b [ 135.934906][ T5157] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100 [ 135.943493][ T5157] R13: 00007f921c296ea0 R14: 000000000001276f R15: 0000200000000240 [ 135.951597][ T5157] [ 135.955884][ T5165] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 135.984030][ T5165] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 136.012292][ T5176] loop3: detected capacity change from 0 to 32768 [ 136.031087][ T5157] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 136.046351][ T5157] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 136.058333][ T5167] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 136.067229][ T5167] CPU: 0 PID: 5167 Comm: syz.1.38 Not tainted syzkaller #0 [ 136.075050][ T5167] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 136.082883][ T5176] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 136.085200][ T5167] Call Trace: [ 136.085209][ T5167] [ 136.085217][ T5167] dump_stack_lvl+0x188/0x250 [ 136.085240][ T5167] ? show_regs_print_info+0x20/0x20 [ 136.085256][ T5167] ? load_image+0x410/0x410 [ 136.085282][ T5167] sysfs_create_dir_ns+0x26a/0x290 [ 136.085300][ T5167] ? sysfs_warn_dup+0xa0/0xa0 [ 136.085317][ T5167] ? do_raw_spin_unlock+0x11d/0x230 [ 136.132691][ T5167] kobject_add_internal+0x5ba/0xcd0 [ 136.138014][ T5167] kobject_init_and_add+0x128/0x190 [ 136.143310][ T5167] ? lockdep_softirqs_off+0x430/0x430 [ 136.148781][ T5167] ? kobject_add+0x230/0x230 [ 136.153876][ T5167] ? __init_swait_queue_head+0xa4/0x140 [ 136.159865][ T5167] gfs2_sys_fs_add+0x24f/0x4b0 [ 136.164831][ T5167] ? gfs2_recover_set+0x240/0x240 [ 136.170677][ T5167] ? snprintf+0xe5/0x140 [ 136.175111][ T5167] ? __free_pages+0x95/0x1a0 [ 136.179805][ T5167] ? vscnprintf+0x80/0x80 [ 136.184420][ T5167] gfs2_fill_super+0x11ed/0x1ea0 [ 136.189919][ T5167] ? gfs2_reconfigure+0xd80/0xd80 [ 136.195162][ T5167] ? sb_set_blocksize+0xa5/0xe0 [ 136.200466][ T5167] get_tree_bdev+0x3e6/0x610 [ 136.205334][ T5167] ? gfs2_reconfigure+0xd80/0xd80 [ 136.210600][ T5167] gfs2_get_tree+0x4d/0x1e0 [ 136.215821][ T5167] vfs_get_tree+0x88/0x270 [ 136.221215][ T5167] do_new_mount+0x247/0xa40 [ 136.226213][ T5167] __se_sys_mount+0x2e3/0x3d0 [ 136.230982][ T5167] ? __x64_sys_mount+0xc0/0xc0 [ 136.236092][ T5167] ? lockdep_hardirqs_on+0x94/0x140 [ 136.242360][ T5167] ? __x64_sys_mount+0x1c/0xc0 [ 136.247273][ T5167] do_syscall_64+0x4c/0xa0 [ 136.252160][ T5167] ? clear_bhb_loop+0x30/0x80 [ 136.257136][ T5167] ? clear_bhb_loop+0x30/0x80 [ 136.261919][ T5167] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 136.268364][ T5167] RIP: 0033:0x7f9d7b969a8a [ 136.274552][ T5167] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 136.296812][ T5167] RSP: 002b:00007f9d7afc9e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 136.308014][ T5167] RAX: ffffffffffffffda RBX: 00007f9d7afc9ee0 RCX: 00007f9d7b969a8a [ 136.316741][ T5167] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f9d7afc9ea0 [ 136.325745][ T5167] RBP: 00002000000008c0 R08: 00007f9d7afc9ee0 R09: 0000000000008c1b [ 136.334859][ T5167] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100 [ 136.344679][ T5167] R13: 00007f9d7afc9ea0 R14: 000000000001276f R15: 0000200000000240 [ 136.354109][ T5167] [ 136.357468][ T5176] CPU: 1 PID: 5176 Comm: syz.3.35 Not tainted syzkaller #0 [ 136.362856][ T5167] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 136.365335][ T5176] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 136.365352][ T5176] Call Trace: [ 136.365360][ T5176] [ 136.365367][ T5176] dump_stack_lvl+0x188/0x250 [ 136.365392][ T5176] ? show_regs_print_info+0x20/0x20 [ 136.365407][ T5176] ? load_image+0x410/0x410 [ 136.365431][ T5176] sysfs_create_dir_ns+0x26a/0x290 [ 136.380603][ T5167] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 136.390839][ T5176] ? sysfs_warn_dup+0xa0/0xa0 [ 136.390871][ T5176] ? do_raw_spin_unlock+0x11d/0x230 [ 136.390891][ T5176] kobject_add_internal+0x5ba/0xcd0 [ 136.390914][ T5176] kobject_init_and_add+0x128/0x190 [ 136.390928][ T5176] ? lockdep_softirqs_off+0x430/0x430 [ 136.390948][ T5176] ? kobject_add+0x230/0x230 [ 136.390967][ T5176] ? __init_swait_queue_head+0xa4/0x140 [ 136.390990][ T5176] gfs2_sys_fs_add+0x24f/0x4b0 [ 136.391009][ T5176] ? gfs2_recover_set+0x240/0x240 [ 136.391025][ T5176] ? snprintf+0xe5/0x140 [ 136.391040][ T5176] ? __free_pages+0x95/0x1a0 [ 136.391061][ T5176] ? vscnprintf+0x80/0x80 [ 136.391088][ T5176] gfs2_fill_super+0x11ed/0x1ea0 [ 136.391117][ T5176] ? gfs2_reconfigure+0xd80/0xd80 [ 136.391151][ T5176] ? sb_set_blocksize+0xa5/0xe0 [ 136.391170][ T5176] get_tree_bdev+0x3e6/0x610 [ 136.391190][ T5176] ? gfs2_reconfigure+0xd80/0xd80 [ 136.391207][ T5176] gfs2_get_tree+0x4d/0x1e0 [ 136.525681][ T5176] vfs_get_tree+0x88/0x270 [ 136.531158][ T5176] do_new_mount+0x247/0xa40 [ 136.536283][ T5176] __se_sys_mount+0x2e3/0x3d0 [ 136.542294][ T5176] ? __x64_sys_mount+0xc0/0xc0 [ 136.548472][ T5176] ? lockdep_hardirqs_on+0x94/0x140 [ 136.555560][ T5176] ? __x64_sys_mount+0x1c/0xc0 [ 136.561639][ T5176] do_syscall_64+0x4c/0xa0 [ 136.567968][ T5176] ? clear_bhb_loop+0x30/0x80 [ 136.574017][ T5176] ? clear_bhb_loop+0x30/0x80 [ 136.579913][ T5176] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 136.587641][ T5176] RIP: 0033:0x7f6e6a1caa8a [ 136.594534][ T5176] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 136.624322][ T5176] RSP: 002b:00007f6e6982ae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 136.637554][ T5176] RAX: ffffffffffffffda RBX: 00007f6e6982aee0 RCX: 00007f6e6a1caa8a [ 136.647300][ T5176] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f6e6982aea0 [ 136.657554][ T5176] RBP: 00002000000008c0 R08: 00007f6e6982aee0 R09: 0000000000008c1b [ 136.667387][ T5176] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100 [ 136.676637][ T5176] R13: 00007f6e6982aea0 R14: 000000000001276f R15: 0000200000000240 [ 136.685600][ T5176] [ 136.695352][ T5176] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 136.716620][ T5176] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 136.939205][ T5167] syz.1.38 (5167): drop_caches: 2 [ 136.952326][ T5157] syz.2.36 (5157): drop_caches: 2 [ 136.977943][ T5165] syz.0.37 (5165): drop_caches: 2 [ 137.185520][ T5176] syz.3.35 (5176): drop_caches: 2 [ 137.892546][ T5181] loop2: detected capacity change from 0 to 32768 [ 137.900222][ T5182] loop0: detected capacity change from 0 to 32768 [ 137.959822][ T5181] gfs2: fsid=statfs_quantum: Trying to join cluster "lock_nolock", "statfs_quantum" [ 137.979957][ T5181] gfs2: fsid=statfs_quantum: Now mounting FS (format 1801)... [ 137.981474][ T5183] loop1: detected capacity change from 0 to 32768 [ 137.993132][ T5187] loop4: detected capacity change from 0 to 32768 [ 138.009606][ T5181] gfs2: fsid=statfs_quantum.s: journal 0 mapped with 18 extents in 0ms [ 138.031177][ T5185] loop3: detected capacity change from 0 to 32768 [ 138.038102][ T5182] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 138.046381][ T5182] CPU: 0 PID: 5182 Comm: syz.0.42 Not tainted syzkaller #0 [ 138.053767][ T5182] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 138.064301][ T5182] Call Trace: [ 138.068007][ T5182] [ 138.071054][ T5182] dump_stack_lvl+0x188/0x250 [ 138.076233][ T5182] ? show_regs_print_info+0x20/0x20 [ 138.081688][ T5182] ? load_image+0x410/0x410 [ 138.086930][ T5182] sysfs_create_dir_ns+0x26a/0x290 [ 138.092677][ T5182] ? sysfs_warn_dup+0xa0/0xa0 [ 138.097575][ T5182] ? do_raw_spin_unlock+0x11d/0x230 [ 138.103077][ T5182] kobject_add_internal+0x5ba/0xcd0 [ 138.108574][ T5182] kobject_init_and_add+0x128/0x190 [ 138.114321][ T5182] ? lockdep_softirqs_off+0x430/0x430 [ 138.119911][ T5182] ? kobject_add+0x230/0x230 [ 138.124846][ T5182] ? __init_swait_queue_head+0xa4/0x140 [ 138.130682][ T5182] gfs2_sys_fs_add+0x24f/0x4b0 [ 138.135556][ T5182] ? gfs2_recover_set+0x240/0x240 [ 138.140650][ T5182] ? snprintf+0xe5/0x140 [ 138.145086][ T5182] ? __free_pages+0x95/0x1a0 [ 138.149705][ T5182] ? vscnprintf+0x80/0x80 [ 138.154237][ T5182] gfs2_fill_super+0x11ed/0x1ea0 [ 138.159756][ T5182] ? gfs2_reconfigure+0xd80/0xd80 [ 138.165204][ T5182] ? sb_set_blocksize+0xa5/0xe0 [ 138.170338][ T5182] get_tree_bdev+0x3e6/0x610 [ 138.175303][ T5182] ? gfs2_reconfigure+0xd80/0xd80 [ 138.180634][ T5182] gfs2_get_tree+0x4d/0x1e0 [ 138.185429][ T5182] vfs_get_tree+0x88/0x270 [ 138.190096][ T5182] do_new_mount+0x247/0xa40 [ 138.194717][ T5182] __se_sys_mount+0x2e3/0x3d0 [ 138.199593][ T5182] ? __x64_sys_mount+0xc0/0xc0 [ 138.205572][ T5182] ? lockdep_hardirqs_on+0x94/0x140 [ 138.211047][ T5182] ? __x64_sys_mount+0x1c/0xc0 [ 138.216930][ T5182] do_syscall_64+0x4c/0xa0 [ 138.221752][ T5182] ? clear_bhb_loop+0x30/0x80 [ 138.227151][ T5182] ? clear_bhb_loop+0x30/0x80 [ 138.232341][ T5182] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 138.239040][ T5182] RIP: 0033:0x7f4fe4632a8a [ 138.243582][ T5182] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 138.263390][ T5182] RSP: 002b:00007f4fe3c92e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 138.271590][ T5181] gfs2: fsid=statfs_quantum.s: first mount done, others may mount [ 138.271987][ T5182] RAX: ffffffffffffffda RBX: 00007f4fe3c92ee0 RCX: 00007f4fe4632a8a [ 138.288429][ T5182] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f4fe3c92ea0 [ 138.292849][ T5181] gfs2: fsid=statfs_quantum.s: fatal: invalid metadata block [ 138.292849][ T5181] bh = 2081 (type: exp=3, found=14) [ 138.292849][ T5181] function = gfs2_rgrp_bh_get, file = fs/gfs2/rgrp.c, line = 1224 [ 138.296910][ T5182] RBP: 00002000000008c0 R08: 00007f4fe3c92ee0 R09: 0000000000008c1b [ 138.296928][ T5182] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100 [ 138.296938][ T5182] R13: 00007f4fe3c92ea0 R14: 000000000001276f R15: 0000200000000240 [ 138.296961][ T5182] [ 138.304098][ T5183] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 138.362078][ T5187] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 138.362860][ T5188] syz.2.40 (5188): drop_caches: 2 [ 138.378093][ T5185] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 138.378205][ T5183] CPU: 0 PID: 5183 Comm: syz.1.41 Not tainted syzkaller #0 [ 138.395173][ T5183] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 138.406019][ T5183] Call Trace: [ 138.409935][ T5183] [ 138.413494][ T5183] dump_stack_lvl+0x188/0x250 [ 138.417975][ T5181] gfs2: fsid=statfs_quantum.s: about to withdraw this file system [ 138.418899][ T5183] ? show_regs_print_info+0x20/0x20 [ 138.433768][ T5183] ? load_image+0x410/0x410 [ 138.438504][ T5183] sysfs_create_dir_ns+0x26a/0x290 [ 138.444043][ T5183] ? sysfs_warn_dup+0xa0/0xa0 [ 138.449014][ T5183] ? do_raw_spin_unlock+0x11d/0x230 [ 138.454548][ T5183] kobject_add_internal+0x5ba/0xcd0 [ 138.460471][ T5183] kobject_init_and_add+0x128/0x190 [ 138.465858][ T5183] ? lockdep_softirqs_off+0x430/0x430 [ 138.471891][ T5183] ? kobject_add+0x230/0x230 [ 138.473224][ T5181] gfs2: fsid=statfs_quantum.s: Journal recovery skipped for jid 0 until next mount. [ 138.477141][ T5183] ? __init_swait_queue_head+0xa4/0x140 [ 138.477176][ T5183] gfs2_sys_fs_add+0x24f/0x4b0 [ 138.477195][ T5183] ? gfs2_recover_set+0x240/0x240 [ 138.477211][ T5183] ? snprintf+0xe5/0x140 [ 138.477225][ T5183] ? __free_pages+0x95/0x1a0 [ 138.477243][ T5183] ? vscnprintf+0x80/0x80 [ 138.477267][ T5183] gfs2_fill_super+0x11ed/0x1ea0 [ 138.477295][ T5183] ? gfs2_reconfigure+0xd80/0xd80 [ 138.529875][ T5183] ? sb_set_blocksize+0xa5/0xe0 [ 138.535106][ T5183] get_tree_bdev+0x3e6/0x610 [ 138.540071][ T5183] ? gfs2_reconfigure+0xd80/0xd80 [ 138.545393][ T5183] gfs2_get_tree+0x4d/0x1e0 [ 138.550006][ T5183] vfs_get_tree+0x88/0x270 [ 138.554525][ T5183] do_new_mount+0x247/0xa40 [ 138.559217][ T5183] __se_sys_mount+0x2e3/0x3d0 [ 138.564432][ T5183] ? __x64_sys_mount+0xc0/0xc0 [ 138.569420][ T5183] ? lockdep_hardirqs_on+0x94/0x140 [ 138.575024][ T5183] ? __x64_sys_mount+0x1c/0xc0 [ 138.580286][ T5183] do_syscall_64+0x4c/0xa0 [ 138.584856][ T5183] ? clear_bhb_loop+0x30/0x80 [ 138.589700][ T5183] ? clear_bhb_loop+0x30/0x80 [ 138.594859][ T5183] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 138.600870][ T5183] RIP: 0033:0x7f9d7b969a8a [ 138.605838][ T5183] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 138.627168][ T5183] RSP: 002b:00007f9d7afc9e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 138.636501][ T5183] RAX: ffffffffffffffda RBX: 00007f9d7afc9ee0 RCX: 00007f9d7b969a8a [ 138.644745][ T5183] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f9d7afc9ea0 [ 138.652992][ T5183] RBP: 00002000000008c0 R08: 00007f9d7afc9ee0 R09: 0000000000008c1b [ 138.661240][ T5183] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100 [ 138.669333][ T5183] R13: 00007f9d7afc9ea0 R14: 000000000001276f R15: 0000200000000240 [ 138.677649][ T5183] [ 138.685883][ T5181] gfs2: fsid=statfs_quantum.s: Glock dequeues delayed: 0 [ 138.694495][ T5181] gfs2: fsid=statfs_quantum.s: File system withdrawn [ 138.703278][ T5185] CPU: 0 PID: 5185 Comm: syz.3.43 Not tainted syzkaller #0 [ 138.711374][ T5185] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 138.721880][ T5185] Call Trace: [ 138.725394][ T5185] [ 138.728511][ T5185] dump_stack_lvl+0x188/0x250 [ 138.733296][ T5185] ? show_regs_print_info+0x20/0x20 [ 138.738527][ T5185] ? load_image+0x410/0x410 [ 138.743367][ T5185] sysfs_create_dir_ns+0x26a/0x290 [ 138.748829][ T5185] ? sysfs_warn_dup+0xa0/0xa0 [ 138.754285][ T5185] ? do_raw_spin_unlock+0x11d/0x230 [ 138.759688][ T5185] kobject_add_internal+0x5ba/0xcd0 [ 138.765548][ T5185] kobject_init_and_add+0x128/0x190 [ 138.771120][ T5185] ? lockdep_softirqs_off+0x430/0x430 [ 138.777030][ T5185] ? kobject_add+0x230/0x230 [ 138.781652][ T5185] ? __init_swait_queue_head+0xa4/0x140 [ 138.787495][ T5185] gfs2_sys_fs_add+0x24f/0x4b0 [ 138.792342][ T5185] ? gfs2_recover_set+0x240/0x240 [ 138.798249][ T5185] ? snprintf+0xe5/0x140 [ 138.802733][ T5185] ? __free_pages+0x95/0x1a0 [ 138.807438][ T5185] ? vscnprintf+0x80/0x80 [ 138.812071][ T5185] gfs2_fill_super+0x11ed/0x1ea0 [ 138.817049][ T5185] ? gfs2_reconfigure+0xd80/0xd80 [ 138.822462][ T5185] ? sb_set_blocksize+0xa5/0xe0 [ 138.827421][ T5185] get_tree_bdev+0x3e6/0x610 [ 138.832245][ T5185] ? gfs2_reconfigure+0xd80/0xd80 [ 138.837566][ T5185] gfs2_get_tree+0x4d/0x1e0 [ 138.842475][ T5185] vfs_get_tree+0x88/0x270 [ 138.847472][ T5185] do_new_mount+0x247/0xa40 [ 138.852019][ T5185] __se_sys_mount+0x2e3/0x3d0 [ 138.857163][ T5185] ? __x64_sys_mount+0xc0/0xc0 [ 138.862150][ T5185] ? lockdep_hardirqs_on+0x94/0x140 [ 138.867540][ T5185] ? __x64_sys_mount+0x1c/0xc0 [ 138.872402][ T5185] do_syscall_64+0x4c/0xa0 [ 138.875545][ T5182] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 138.877089][ T5185] ? clear_bhb_loop+0x30/0x80 [ 138.896391][ T5185] ? clear_bhb_loop+0x30/0x80 [ 138.901187][ T5185] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 138.907369][ T5185] RIP: 0033:0x7f6e6a1caa8a [ 138.911808][ T5185] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 138.931824][ T5185] RSP: 002b:00007f6e6982ae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 138.940952][ T5185] RAX: ffffffffffffffda RBX: 00007f6e6982aee0 RCX: 00007f6e6a1caa8a [ 138.948947][ T5185] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f6e6982aea0 [ 138.952160][ T5182] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 138.957374][ T5185] RBP: 00002000000008c0 R08: 00007f6e6982aee0 R09: 0000000000008c1b [ 138.957396][ T5185] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100 [ 138.957406][ T5185] R13: 00007f6e6982aea0 R14: 000000000001276f R15: 0000200000000240 [ 138.957430][ T5185] [ 138.965934][ T5187] CPU: 0 PID: 5187 Comm: syz.4.39 Not tainted syzkaller #0 [ 139.000075][ T5187] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 139.010333][ T5187] Call Trace: [ 139.013622][ T5187] [ 139.016851][ T5187] dump_stack_lvl+0x188/0x250 [ 139.021530][ T5187] ? show_regs_print_info+0x20/0x20 [ 139.026981][ T5187] ? load_image+0x410/0x410 [ 139.031601][ T5187] sysfs_create_dir_ns+0x26a/0x290 [ 139.036705][ T5187] ? sysfs_warn_dup+0xa0/0xa0 [ 139.041638][ T5187] ? do_raw_spin_unlock+0x11d/0x230 [ 139.046843][ T5187] kobject_add_internal+0x5ba/0xcd0 [ 139.052140][ T5187] kobject_init_and_add+0x128/0x190 [ 139.057436][ T5187] ? lockdep_softirqs_off+0x430/0x430 [ 139.063264][ T5187] ? kobject_add+0x230/0x230 [ 139.068325][ T5187] ? __init_swait_queue_head+0xa4/0x140 [ 139.073970][ T5187] gfs2_sys_fs_add+0x24f/0x4b0 [ 139.078779][ T5187] ? gfs2_recover_set+0x240/0x240 [ 139.083812][ T5187] ? snprintf+0xe5/0x140 [ 139.088312][ T5187] ? __free_pages+0x95/0x1a0 [ 139.093026][ T5187] ? vscnprintf+0x80/0x80 [ 139.097484][ T5187] gfs2_fill_super+0x11ed/0x1ea0 [ 139.102627][ T5187] ? gfs2_reconfigure+0xd80/0xd80 [ 139.108030][ T5187] ? sb_set_blocksize+0xa5/0xe0 [ 139.112990][ T5187] get_tree_bdev+0x3e6/0x610 [ 139.118048][ T5187] ? gfs2_reconfigure+0xd80/0xd80 [ 139.123256][ T5187] gfs2_get_tree+0x4d/0x1e0 [ 139.127856][ T5187] vfs_get_tree+0x88/0x270 [ 139.132268][ T5187] do_new_mount+0x247/0xa40 [ 139.137100][ T5187] __se_sys_mount+0x2e3/0x3d0 [ 139.141987][ T5187] ? __x64_sys_mount+0xc0/0xc0 [ 139.147269][ T5187] ? lockdep_hardirqs_on+0x94/0x140 [ 139.152571][ T5187] ? __x64_sys_mount+0x1c/0xc0 [ 139.157856][ T5187] do_syscall_64+0x4c/0xa0 [ 139.162295][ T5187] ? clear_bhb_loop+0x30/0x80 [ 139.167223][ T5187] ? clear_bhb_loop+0x30/0x80 [ 139.172084][ T5187] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 139.178601][ T5187] RIP: 0033:0x7ff7b82d7a8a [ 139.183284][ T5187] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 139.203661][ T5187] RSP: 002b:00007ff7b7937e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 139.212494][ T5187] RAX: ffffffffffffffda RBX: 00007ff7b7937ee0 RCX: 00007ff7b82d7a8a [ 139.220546][ T5187] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007ff7b7937ea0 [ 139.229091][ T5187] RBP: 00002000000008c0 R08: 00007ff7b7937ee0 R09: 0000000000008c1b [ 139.237161][ T5187] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100 [ 139.245231][ T5187] R13: 00007ff7b7937ea0 R14: 000000000001276f R15: 0000200000000240 [ 139.253400][ T5187] [ 139.269573][ T5181] CPU: 0 PID: 5181 Comm: syz.2.40 Not tainted syzkaller #0 [ 139.277134][ T5181] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 139.285463][ T5183] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 139.287815][ T5181] Call Trace: [ 139.287823][ T5181] [ 139.301895][ T5183] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 139.305077][ T5181] dump_stack_lvl+0x188/0x250 [ 139.305105][ T5181] ? show_regs_print_info+0x20/0x20 [ 139.305123][ T5181] ? load_image+0x410/0x410 [ 139.310258][ T5185] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 139.315393][ T5181] gfs2_withdraw+0xb9a/0x14e0 [ 139.315428][ T5181] ? gfs2_lm+0x240/0x240 [ 139.315443][ T5181] ? gfs2_meta_read+0x7dc/0xa60 [ 139.315466][ T5181] ? gfs2_meta_new+0x160/0x160 [ 139.315485][ T5181] gfs2_metatype_check_ii+0x74/0x90 [ 139.315504][ T5181] gfs2_rgrp_bh_get+0x3b1/0x1360 [ 139.315525][ T5181] ? do_raw_spin_unlock+0x11d/0x230 [ 139.384631][ T5181] do_promote+0x75b/0xb20 [ 139.389462][ T5181] finish_xmote+0x4c2/0xaf0 [ 139.394547][ T5181] do_xmote+0x752/0x10a0 [ 139.398909][ T5181] gfs2_glock_nq+0xc6b/0x1510 [ 139.404371][ T5181] gfs2_inplace_reserve+0xca4/0x34c0 [ 139.410002][ T5181] ? do_read_cache_page+0xc3b/0x1010 [ 139.415644][ T5181] ? gfs2_write_alloc_required+0x33d/0x680 [ 139.421679][ T5181] ? gfs2_rgrp_out+0x6f0/0x6f0 [ 139.426610][ T5181] ? from_kgid+0x14f/0x6a0 [ 139.431703][ T5181] ? make_kgid+0x650/0x650 [ 139.436304][ T5181] ? gfs2_write_calc_reserv+0x251/0x370 [ 139.443637][ T5181] gfs2_set_dqblk+0x827/0xc30 [ 139.448508][ T5181] ? gfs2_get_dqblk+0x530/0x530 [ 139.453884][ T5181] ? gfs2_glock_nq_init+0x26/0x60 [ 139.458991][ T5181] ? gfs2_glock_nq_init+0x26/0x60 [ 139.464298][ T5181] ? make_kgid+0x1c4/0x650 [ 139.469203][ T5181] ? from_kgid+0x14f/0x6a0 [ 139.473799][ T5181] ? __might_fault+0xb3/0x110 [ 139.478910][ T5181] quota_setquota+0x4d6/0x590 [ 139.484346][ T5181] ? quota_getnextquota+0x4a0/0x4a0 [ 139.490265][ T5181] ? bpf_lsm_capable+0x5/0x10 [ 139.495410][ T5181] ? security_capable+0x85/0xb0 [ 139.500385][ T5181] ? do_quotactl+0x549/0x760 [ 139.505084][ T5181] __se_sys_quotactl+0x28b/0x6f0 [ 139.510466][ T5181] ? __x64_sys_quotactl+0xa0/0xa0 [ 139.515929][ T5181] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 139.522529][ T5181] ? lock_chain_count+0x20/0x20 [ 139.527709][ T5181] ? lockdep_hardirqs_on+0x94/0x140 [ 139.533278][ T5181] do_syscall_64+0x4c/0xa0 [ 139.538009][ T5181] ? clear_bhb_loop+0x30/0x80 [ 139.542779][ T5181] ? clear_bhb_loop+0x30/0x80 [ 139.547888][ T5181] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 139.554214][ T5181] RIP: 0033:0x7f921cc35819 [ 139.558974][ T5181] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 139.579598][ T5181] RSP: 002b:00007f921c297028 EFLAGS: 00000246 ORIG_RAX: 00000000000000b3 [ 139.588566][ T5181] RAX: ffffffffffffffda RBX: 00007f921ceaefa0 RCX: 00007f921cc35819 [ 139.598033][ T5181] RDX: 0000000000000000 RSI: 0000200000002540 RDI: ffffffff80000801 [ 139.606920][ T5181] RBP: 00007f921cccbc91 R08: 0000000000000000 R09: 0000000000000000 [ 139.616056][ T5181] R10: 0000200000000140 R11: 0000000000000246 R12: 0000000000000000 [ 139.624626][ T5181] R13: 00007f921ceaf038 R14: 00007f921ceaefa0 R15: 00007ffe1a0dbd38 [ 139.633678][ T5181] [ 139.642331][ T5187] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 139.658230][ T5187] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 139.668260][ T5185] gfs2: fsid=statfs_quantum: error -17 adding sysfs files 2026/07/02 01:06:27 executed programs: 37 [ 139.908641][ T5182] syz.0.42 (5182): drop_caches: 2 [ 139.929509][ T5185] syz.3.43 (5185): drop_caches: 2 [ 139.942267][ T5183] syz.1.41 (5183): drop_caches: 2 [ 140.019087][ T5187] syz.4.39 (5187): drop_caches: 2 [ 140.900790][ T5195] loop1: detected capacity change from 0 to 32768 [ 140.904675][ T5191] loop0: detected capacity change from 0 to 32768 [ 140.910554][ T5194] loop3: detected capacity change from 0 to 32768 [ 140.944501][ T5197] loop4: detected capacity change from 0 to 32768 [ 140.973918][ T5194] gfs2: fsid=statfs_quantum: Trying to join cluster "lock_nolock", "statfs_quantum" [ 140.984022][ T5195] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 140.987504][ T5191] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 141.001173][ T5194] gfs2: fsid=statfs_quantum: Now mounting FS (format 1801)... [ 141.001533][ T5195] CPU: 0 PID: 5195 Comm: syz.1.47 Not tainted syzkaller #0 [ 141.001554][ T5195] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 141.001564][ T5195] Call Trace: [ 141.001570][ T5195] [ 141.001578][ T5195] dump_stack_lvl+0x188/0x250 [ 141.001601][ T5195] ? show_regs_print_info+0x20/0x20 [ 141.017539][ T5197] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 141.027437][ T5195] ? load_image+0x410/0x410 [ 141.027475][ T5195] sysfs_create_dir_ns+0x26a/0x290 [ 141.027498][ T5195] ? sysfs_warn_dup+0xa0/0xa0 [ 141.027514][ T5195] ? do_raw_spin_unlock+0x11d/0x230 [ 141.027533][ T5195] kobject_add_internal+0x5ba/0xcd0 [ 141.027555][ T5195] kobject_init_and_add+0x128/0x190 [ 141.027570][ T5195] ? lockdep_softirqs_off+0x430/0x430 [ 141.027593][ T5195] ? kobject_add+0x230/0x230 [ 141.027613][ T5195] ? __init_swait_queue_head+0xa4/0x140 [ 141.099539][ T5195] gfs2_sys_fs_add+0x24f/0x4b0 [ 141.104981][ T5195] ? gfs2_recover_set+0x240/0x240 [ 141.110169][ T5195] ? snprintf+0xe5/0x140 [ 141.114531][ T5195] ? __free_pages+0x95/0x1a0 [ 141.119229][ T5195] ? vscnprintf+0x80/0x80 [ 141.123733][ T5195] gfs2_fill_super+0x11ed/0x1ea0 [ 141.128879][ T5195] ? gfs2_reconfigure+0xd80/0xd80 [ 141.134068][ T5195] ? sb_set_blocksize+0xa5/0xe0 [ 141.138980][ T5195] get_tree_bdev+0x3e6/0x610 [ 141.143584][ T5195] ? gfs2_reconfigure+0xd80/0xd80 [ 141.148651][ T5195] gfs2_get_tree+0x4d/0x1e0 [ 141.153707][ T5195] vfs_get_tree+0x88/0x270 [ 141.158438][ T5195] do_new_mount+0x247/0xa40 [ 141.163137][ T5195] __se_sys_mount+0x2e3/0x3d0 [ 141.168272][ T5195] ? __x64_sys_mount+0xc0/0xc0 [ 141.173164][ T5195] ? lockdep_hardirqs_on+0x94/0x140 [ 141.178390][ T5195] ? __x64_sys_mount+0x1c/0xc0 [ 141.182839][ T5199] loop2: detected capacity change from 0 to 32768 [ 141.183475][ T5195] do_syscall_64+0x4c/0xa0 [ 141.183496][ T5195] ? clear_bhb_loop+0x30/0x80 [ 141.183513][ T5195] ? clear_bhb_loop+0x30/0x80 [ 141.183530][ T5195] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 141.212278][ T5195] RIP: 0033:0x7f9d7b969a8a [ 141.216935][ T5195] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 141.237561][ T5195] RSP: 002b:00007f9d7afc9e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 141.246208][ T5195] RAX: ffffffffffffffda RBX: 00007f9d7afc9ee0 RCX: 00007f9d7b969a8a [ 141.254754][ T5195] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f9d7afc9ea0 [ 141.263726][ T5195] RBP: 00002000000008c0 R08: 00007f9d7afc9ee0 R09: 0000000000008c1b [ 141.271710][ T5195] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100 [ 141.279814][ T5195] R13: 00007f9d7afc9ea0 R14: 000000000001276f R15: 0000200000000240 [ 141.288071][ T5195] [ 141.291272][ T5191] CPU: 1 PID: 5191 Comm: syz.0.45 Not tainted syzkaller #0 [ 141.299189][ T5191] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 141.309870][ T5191] Call Trace: [ 141.313182][ T5191] [ 141.316205][ T5191] dump_stack_lvl+0x188/0x250 [ 141.321227][ T5191] ? show_regs_print_info+0x20/0x20 [ 141.326641][ T5191] ? load_image+0x410/0x410 [ 141.331709][ T5191] sysfs_create_dir_ns+0x26a/0x290 [ 141.337748][ T5191] ? sysfs_warn_dup+0xa0/0xa0 [ 141.343071][ T5191] ? do_raw_spin_unlock+0x11d/0x230 [ 141.349101][ T5191] kobject_add_internal+0x5ba/0xcd0 [ 141.354520][ T5191] kobject_init_and_add+0x128/0x190 [ 141.359896][ T5191] ? lockdep_softirqs_off+0x430/0x430 [ 141.365466][ T5191] ? kobject_add+0x230/0x230 [ 141.370236][ T5191] ? __init_swait_queue_head+0xa4/0x140 [ 141.376236][ T5191] gfs2_sys_fs_add+0x24f/0x4b0 [ 141.381128][ T5191] ? gfs2_recover_set+0x240/0x240 [ 141.387436][ T5191] ? snprintf+0xe5/0x140 [ 141.391879][ T5191] ? __free_pages+0x95/0x1a0 [ 141.396760][ T5191] ? vscnprintf+0x80/0x80 [ 141.401619][ T5191] gfs2_fill_super+0x11ed/0x1ea0 [ 141.406881][ T5191] ? gfs2_reconfigure+0xd80/0xd80 [ 141.412166][ T5191] ? sb_set_blocksize+0xa5/0xe0 [ 141.417729][ T5191] get_tree_bdev+0x3e6/0x610 [ 141.422515][ T5191] ? gfs2_reconfigure+0xd80/0xd80 [ 141.428215][ T5191] gfs2_get_tree+0x4d/0x1e0 [ 141.432720][ T5191] vfs_get_tree+0x88/0x270 [ 141.437308][ T5191] do_new_mount+0x247/0xa40 [ 141.442098][ T5191] __se_sys_mount+0x2e3/0x3d0 [ 141.447041][ T5191] ? __x64_sys_mount+0xc0/0xc0 [ 141.451797][ T5191] ? lockdep_hardirqs_on+0x94/0x140 [ 141.457336][ T5191] ? __x64_sys_mount+0x1c/0xc0 [ 141.462470][ T5191] do_syscall_64+0x4c/0xa0 [ 141.467141][ T5191] ? clear_bhb_loop+0x30/0x80 [ 141.472421][ T5191] ? clear_bhb_loop+0x30/0x80 [ 141.477092][ T5191] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 141.482976][ T5191] RIP: 0033:0x7f4fe4632a8a [ 141.487551][ T5191] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 141.508963][ T5191] RSP: 002b:00007f4fe3c92e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 141.518240][ T5191] RAX: ffffffffffffffda RBX: 00007f4fe3c92ee0 RCX: 00007f4fe4632a8a [ 141.527125][ T5191] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f4fe3c92ea0 [ 141.535184][ T5191] RBP: 00002000000008c0 R08: 00007f4fe3c92ee0 R09: 0000000000008c1b [ 141.543405][ T5191] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100 [ 141.551452][ T5191] R13: 00007f4fe3c92ea0 R14: 000000000001276f R15: 0000200000000240 [ 141.560250][ T5191] [ 141.565139][ T5195] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 141.566957][ T5197] CPU: 0 PID: 5197 Comm: syz.4.48 Not tainted syzkaller #0 [ 141.587556][ T5197] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 141.598971][ T5197] Call Trace: [ 141.602261][ T5197] [ 141.605208][ T5197] dump_stack_lvl+0x188/0x250 [ 141.611126][ T5197] ? show_regs_print_info+0x20/0x20 [ 141.612629][ T5195] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 141.617377][ T5197] ? load_image+0x410/0x410 [ 141.617415][ T5197] sysfs_create_dir_ns+0x26a/0x290 [ 141.617435][ T5197] ? sysfs_warn_dup+0xa0/0xa0 [ 141.617450][ T5197] ? do_raw_spin_unlock+0x11d/0x230 [ 141.617470][ T5197] kobject_add_internal+0x5ba/0xcd0 [ 141.617493][ T5197] kobject_init_and_add+0x128/0x190 [ 141.617508][ T5197] ? lockdep_softirqs_off+0x430/0x430 [ 141.617531][ T5197] ? kobject_add+0x230/0x230 [ 141.617554][ T5197] ? __init_swait_queue_head+0xa4/0x140 [ 141.617576][ T5197] gfs2_sys_fs_add+0x24f/0x4b0 [ 141.617603][ T5197] ? gfs2_recover_set+0x240/0x240 [ 141.632037][ T5191] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 141.634829][ T5197] ? snprintf+0xe5/0x140 [ 141.640134][ T5191] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 141.645119][ T5197] ? __free_pages+0x95/0x1a0 [ 141.645145][ T5197] ? vscnprintf+0x80/0x80 [ 141.645171][ T5197] gfs2_fill_super+0x11ed/0x1ea0 [ 141.645199][ T5197] ? gfs2_reconfigure+0xd80/0xd80 [ 141.645233][ T5197] ? sb_set_blocksize+0xa5/0xe0 [ 141.645252][ T5197] get_tree_bdev+0x3e6/0x610 [ 141.645272][ T5197] ? gfs2_reconfigure+0xd80/0xd80 [ 141.645290][ T5197] gfs2_get_tree+0x4d/0x1e0 [ 141.645314][ T5197] vfs_get_tree+0x88/0x270 [ 141.645332][ T5197] do_new_mount+0x247/0xa40 [ 141.645356][ T5197] __se_sys_mount+0x2e3/0x3d0 [ 141.664006][ T5195] syz.1.47 (5195): drop_caches: 2 [ 141.666073][ T5197] ? __x64_sys_mount+0xc0/0xc0 [ 141.666101][ T5197] ? lockdep_hardirqs_on+0x94/0x140 [ 141.666119][ T5197] ? __x64_sys_mount+0x1c/0xc0 [ 141.666135][ T5197] do_syscall_64+0x4c/0xa0 [ 141.738009][ T5191] syz.0.45 (5191): drop_caches: 2 [ 141.739138][ T5197] ? clear_bhb_loop+0x30/0x80 [ 141.761497][ T5194] gfs2: fsid=statfs_quantum.s: journal 0 mapped with 18 extents in 6ms [ 141.763930][ T5197] ? clear_bhb_loop+0x30/0x80 [ 141.812322][ T5197] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 141.818767][ T5197] RIP: 0033:0x7ff7b82d7a8a [ 141.823394][ T5197] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 141.843649][ T5197] RSP: 002b:00007ff7b7937e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 141.852525][ T5197] RAX: ffffffffffffffda RBX: 00007ff7b7937ee0 RCX: 00007ff7b82d7a8a [ 141.860809][ T5197] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007ff7b7937ea0 [ 141.868979][ T5197] RBP: 00002000000008c0 R08: 00007ff7b7937ee0 R09: 0000000000008c1b [ 141.877066][ T5197] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100 [ 141.885523][ T5197] R13: 00007ff7b7937ea0 R14: 000000000001276f R15: 0000200000000240 [ 141.893939][ T5197] [ 141.917569][ T5199] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 141.921140][ T5197] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 141.941092][ T5197] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 141.967527][ T5199] CPU: 0 PID: 5199 Comm: syz.2.44 Not tainted syzkaller #0 [ 141.975054][ T5199] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 141.985923][ T5199] Call Trace: [ 141.989370][ T5199] [ 141.992328][ T5199] dump_stack_lvl+0x188/0x250 [ 141.997458][ T5199] ? show_regs_print_info+0x20/0x20 [ 142.002856][ T5199] ? load_image+0x410/0x410 [ 142.007666][ T5199] sysfs_create_dir_ns+0x26a/0x290 [ 142.012830][ T5199] ? sysfs_warn_dup+0xa0/0xa0 [ 142.017704][ T5199] ? do_raw_spin_unlock+0x11d/0x230 [ 142.022928][ T5199] kobject_add_internal+0x5ba/0xcd0 [ 142.028409][ T5199] kobject_init_and_add+0x128/0x190 [ 142.033780][ T5199] ? lockdep_softirqs_off+0x430/0x430 [ 142.039465][ T5199] ? kobject_add+0x230/0x230 [ 142.044172][ T5199] ? __init_swait_queue_head+0xa4/0x140 [ 142.049919][ T5199] gfs2_sys_fs_add+0x24f/0x4b0 [ 142.054796][ T5199] ? gfs2_recover_set+0x240/0x240 [ 142.060375][ T5199] ? snprintf+0xe5/0x140 [ 142.064730][ T5199] ? __free_pages+0x95/0x1a0 [ 142.069540][ T5199] ? vscnprintf+0x80/0x80 [ 142.074182][ T5199] gfs2_fill_super+0x11ed/0x1ea0 [ 142.079686][ T5199] ? gfs2_reconfigure+0xd80/0xd80 [ 142.084851][ T5199] ? sb_set_blocksize+0xa5/0xe0 [ 142.089821][ T5199] get_tree_bdev+0x3e6/0x610 [ 142.094612][ T5199] ? gfs2_reconfigure+0xd80/0xd80 [ 142.100052][ T5199] gfs2_get_tree+0x4d/0x1e0 [ 142.104596][ T5199] vfs_get_tree+0x88/0x270 [ 142.109489][ T5199] do_new_mount+0x247/0xa40 [ 142.114106][ T5199] __se_sys_mount+0x2e3/0x3d0 [ 142.118824][ T5199] ? __x64_sys_mount+0xc0/0xc0 [ 142.123747][ T5199] ? lockdep_hardirqs_on+0x94/0x140 [ 142.129074][ T5199] ? __x64_sys_mount+0x1c/0xc0 [ 142.133871][ T5199] do_syscall_64+0x4c/0xa0 [ 142.138479][ T5199] ? clear_bhb_loop+0x30/0x80 [ 142.143345][ T5199] ? clear_bhb_loop+0x30/0x80 [ 142.148044][ T5199] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 142.154301][ T5199] RIP: 0033:0x7f921cc36a8a [ 142.155066][ T5194] gfs2: fsid=statfs_quantum.s: first mount done, others may mount [ 142.158952][ T5199] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 142.186950][ T5199] RSP: 002b:00007f921c296e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 142.196193][ T5199] RAX: ffffffffffffffda RBX: 00007f921c296ee0 RCX: 00007f921cc36a8a [ 142.204360][ T5199] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f921c296ea0 [ 142.212438][ T5199] RBP: 00002000000008c0 R08: 00007f921c296ee0 R09: 0000000000008c1b [ 142.220513][ T5199] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100 [ 142.228772][ T5199] R13: 00007f921c296ea0 R14: 000000000001276f R15: 0000200000000240 [ 142.236875][ T5199] [ 142.256566][ T5194] gfs2: fsid=statfs_quantum.s: fatal: invalid metadata block [ 142.256566][ T5194] bh = 2081 (type: exp=3, found=14) [ 142.256566][ T5194] function = gfs2_rgrp_bh_get, file = fs/gfs2/rgrp.c, line = 1224 [ 142.311163][ T5197] syz.4.48 (5197): drop_caches: 2 [ 142.373462][ T5194] gfs2: fsid=statfs_quantum.s: about to withdraw this file system [ 142.422758][ T5204] syz.3.46 (5204): drop_caches: 2 [ 142.485118][ T5199] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 142.490404][ T5194] gfs2: fsid=statfs_quantum.s: Journal recovery skipped for jid 0 until next mount. [ 142.532726][ T5199] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 142.575074][ T5194] gfs2: fsid=statfs_quantum.s: Glock dequeues delayed: 0 [ 142.607619][ T5194] gfs2: fsid=statfs_quantum.s: File system withdrawn [ 142.634819][ T5194] CPU: 1 PID: 5194 Comm: syz.3.46 Not tainted syzkaller #0 [ 142.642197][ T5194] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 142.652667][ T5194] Call Trace: [ 142.656351][ T5194] [ 142.659558][ T5194] dump_stack_lvl+0x188/0x250 [ 142.664812][ T5194] ? show_regs_print_info+0x20/0x20 [ 142.670699][ T5194] ? load_image+0x410/0x410 [ 142.675562][ T5194] gfs2_withdraw+0xb9a/0x14e0 [ 142.680596][ T5194] ? gfs2_lm+0x240/0x240 [ 142.685127][ T5194] ? gfs2_meta_read+0x7dc/0xa60 [ 142.691366][ T5194] ? gfs2_meta_new+0x160/0x160 [ 142.696320][ T5194] gfs2_metatype_check_ii+0x74/0x90 [ 142.702024][ T5194] gfs2_rgrp_bh_get+0x3b1/0x1360 [ 142.707522][ T5194] ? do_raw_spin_unlock+0x11d/0x230 [ 142.713467][ T5194] do_promote+0x75b/0xb20 [ 142.717843][ T5194] finish_xmote+0x4c2/0xaf0 [ 142.722513][ T5194] do_xmote+0x752/0x10a0 [ 142.727229][ T5194] gfs2_glock_nq+0xc6b/0x1510 [ 142.732217][ T5194] gfs2_inplace_reserve+0xca4/0x34c0 [ 142.737786][ T5194] ? do_read_cache_page+0xc3b/0x1010 [ 142.743593][ T5194] ? gfs2_write_alloc_required+0x33d/0x680 [ 142.749798][ T5194] ? gfs2_rgrp_out+0x6f0/0x6f0 [ 142.754751][ T5194] ? from_kgid+0x14f/0x6a0 [ 142.759381][ T5194] ? make_kgid+0x650/0x650 [ 142.764187][ T5194] ? gfs2_write_calc_reserv+0x251/0x370 [ 142.769950][ T5194] gfs2_set_dqblk+0x827/0xc30 [ 142.774766][ T5194] ? gfs2_get_dqblk+0x530/0x530 [ 142.780414][ T5194] ? gfs2_glock_nq_init+0x26/0x60 [ 142.785558][ T5194] ? gfs2_glock_nq_init+0x26/0x60 [ 142.790958][ T5194] ? make_kgid+0x1c4/0x650 [ 142.795542][ T5194] ? from_kgid+0x14f/0x6a0 [ 142.799986][ T5194] ? __might_fault+0xb3/0x110 [ 142.804878][ T5194] quota_setquota+0x4d6/0x590 [ 142.809775][ T5194] ? quota_getnextquota+0x4a0/0x4a0 [ 142.815202][ T5194] ? bpf_lsm_capable+0x5/0x10 [ 142.819898][ T5194] ? security_capable+0x85/0xb0 [ 142.824849][ T5194] ? do_quotactl+0x549/0x760 [ 142.829597][ T5194] __se_sys_quotactl+0x28b/0x6f0 [ 142.834766][ T5194] ? __x64_sys_quotactl+0xa0/0xa0 [ 142.839987][ T5194] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 142.846444][ T5194] ? lock_chain_count+0x20/0x20 [ 142.851498][ T5194] ? lockdep_hardirqs_on+0x94/0x140 [ 142.856987][ T5194] do_syscall_64+0x4c/0xa0 [ 142.861612][ T5194] ? clear_bhb_loop+0x30/0x80 [ 142.867299][ T5194] ? clear_bhb_loop+0x30/0x80 [ 142.872008][ T5194] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 142.878753][ T5194] RIP: 0033:0x7f6e6a1c9819 [ 142.883557][ T5194] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 142.905222][ T5194] RSP: 002b:00007f6e6982b028 EFLAGS: 00000246 ORIG_RAX: 00000000000000b3 [ 142.912229][ T5201] loop1: detected capacity change from 0 to 32768 [ 142.913857][ T5194] RAX: ffffffffffffffda RBX: 00007f6e6a442fa0 RCX: 00007f6e6a1c9819 [ 142.928845][ T5194] RDX: 0000000000000000 RSI: 0000200000002540 RDI: ffffffff80000801 [ 142.937203][ T5194] RBP: 00007f6e6a25fc91 R08: 0000000000000000 R09: 0000000000000000 [ 142.946573][ T5194] R10: 0000200000000140 R11: 0000000000000246 R12: 0000000000000000 [ 142.954598][ T5194] R13: 00007f6e6a443038 R14: 00007f6e6a442fa0 R15: 00007ffde227fc78 [ 142.961246][ T5201] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 142.963693][ T5194] [ 143.009268][ T5201] CPU: 0 PID: 5201 Comm: syz.1.49 Not tainted syzkaller #0 [ 143.016949][ T5201] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 143.027731][ T5201] Call Trace: [ 143.032113][ T5201] [ 143.035602][ T5201] dump_stack_lvl+0x188/0x250 [ 143.041025][ T5201] ? show_regs_print_info+0x20/0x20 [ 143.046805][ T5201] ? load_image+0x410/0x410 [ 143.052400][ T5201] sysfs_create_dir_ns+0x26a/0x290 [ 143.057989][ T5201] ? sysfs_warn_dup+0xa0/0xa0 [ 143.062869][ T5201] ? do_raw_spin_unlock+0x11d/0x230 [ 143.068168][ T5201] kobject_add_internal+0x5ba/0xcd0 [ 143.073830][ T5201] kobject_init_and_add+0x128/0x190 [ 143.079214][ T5201] ? lockdep_softirqs_off+0x430/0x430 [ 143.084718][ T5201] ? kobject_add+0x230/0x230 [ 143.089421][ T5201] ? __init_swait_queue_head+0xa4/0x140 [ 143.095525][ T5201] gfs2_sys_fs_add+0x24f/0x4b0 [ 143.100407][ T5201] ? gfs2_recover_set+0x240/0x240 [ 143.105862][ T5201] ? snprintf+0xe5/0x140 [ 143.110119][ T5201] ? __free_pages+0x95/0x1a0 [ 143.114747][ T5201] ? vscnprintf+0x80/0x80 [ 143.119105][ T5201] gfs2_fill_super+0x11ed/0x1ea0 [ 143.124091][ T5201] ? gfs2_reconfigure+0xd80/0xd80 [ 143.129339][ T5201] ? sb_set_blocksize+0xa5/0xe0 [ 143.134208][ T5201] get_tree_bdev+0x3e6/0x610 [ 143.138821][ T5201] ? gfs2_reconfigure+0xd80/0xd80 [ 143.143952][ T5201] gfs2_get_tree+0x4d/0x1e0 [ 143.148541][ T5201] vfs_get_tree+0x88/0x270 [ 143.153416][ T5201] do_new_mount+0x247/0xa40 [ 143.158112][ T5201] __se_sys_mount+0x2e3/0x3d0 [ 143.164476][ T5201] ? __x64_sys_mount+0xc0/0xc0 [ 143.169897][ T5201] ? lockdep_hardirqs_on+0x94/0x140 [ 143.176451][ T5201] ? __x64_sys_mount+0x1c/0xc0 [ 143.181244][ T5201] do_syscall_64+0x4c/0xa0 [ 143.185777][ T5201] ? clear_bhb_loop+0x30/0x80 [ 143.190478][ T5201] ? clear_bhb_loop+0x30/0x80 [ 143.195254][ T5201] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 143.201837][ T5201] RIP: 0033:0x7f9d7b969a8a [ 143.206570][ T5201] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 143.230668][ T5201] RSP: 002b:00007f9d7afc9e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 143.240398][ T5201] RAX: ffffffffffffffda RBX: 00007f9d7afc9ee0 RCX: 00007f9d7b969a8a [ 143.249755][ T5201] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f9d7afc9ea0 [ 143.259016][ T5201] RBP: 00002000000008c0 R08: 00007f9d7afc9ee0 R09: 0000000000008c1b [ 143.267620][ T5201] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100 [ 143.276238][ T5201] R13: 00007f9d7afc9ea0 R14: 000000000001276f R15: 0000200000000240 [ 143.285223][ T5201] [ 143.433917][ T5206] loop4: detected capacity change from 0 to 32768 [ 143.446423][ T5203] loop0: detected capacity change from 0 to 32768 [ 143.460834][ T5201] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 143.473273][ T5206] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 143.475953][ T5201] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 143.505261][ T5206] CPU: 1 PID: 5206 Comm: syz.4.51 Not tainted syzkaller #0 [ 143.512595][ T5206] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 143.516442][ T5203] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 143.523021][ T5206] Call Trace: [ 143.523037][ T5206] [ 143.537956][ T5206] dump_stack_lvl+0x188/0x250 [ 143.542843][ T5206] ? show_regs_print_info+0x20/0x20 [ 143.548324][ T5206] ? load_image+0x410/0x410 [ 143.553148][ T5206] sysfs_create_dir_ns+0x26a/0x290 [ 143.558642][ T5206] ? sysfs_warn_dup+0xa0/0xa0 [ 143.563776][ T5206] ? do_raw_spin_unlock+0x11d/0x230 [ 143.569087][ T5206] kobject_add_internal+0x5ba/0xcd0 [ 143.574577][ T5206] kobject_init_and_add+0x128/0x190 [ 143.579903][ T5206] ? lockdep_softirqs_off+0x430/0x430 [ 143.586040][ T5206] ? kobject_add+0x230/0x230 [ 143.591348][ T5206] ? __init_swait_queue_head+0xa4/0x140 [ 143.597274][ T5206] gfs2_sys_fs_add+0x24f/0x4b0 [ 143.602065][ T5206] ? gfs2_recover_set+0x240/0x240 [ 143.607465][ T5206] ? snprintf+0xe5/0x140 [ 143.611846][ T5206] ? __free_pages+0x95/0x1a0 [ 143.616471][ T5206] ? vscnprintf+0x80/0x80 [ 143.621082][ T5206] gfs2_fill_super+0x11ed/0x1ea0 [ 143.626780][ T5206] ? gfs2_reconfigure+0xd80/0xd80 [ 143.632522][ T5206] ? sb_set_blocksize+0xa5/0xe0 [ 143.637814][ T5206] get_tree_bdev+0x3e6/0x610 [ 143.643007][ T5206] ? gfs2_reconfigure+0xd80/0xd80 [ 143.648520][ T5206] gfs2_get_tree+0x4d/0x1e0 [ 143.653633][ T5206] vfs_get_tree+0x88/0x270 [ 143.658361][ T5206] do_new_mount+0x247/0xa40 [ 143.663078][ T5206] __se_sys_mount+0x2e3/0x3d0 [ 143.667870][ T5206] ? __x64_sys_mount+0xc0/0xc0 [ 143.672960][ T5206] ? lockdep_hardirqs_on+0x94/0x140 [ 143.678629][ T5206] ? __x64_sys_mount+0x1c/0xc0 [ 143.683511][ T5206] do_syscall_64+0x4c/0xa0 [ 143.688202][ T5206] ? clear_bhb_loop+0x30/0x80 [ 143.693064][ T5206] ? clear_bhb_loop+0x30/0x80 [ 143.698123][ T5206] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 143.704246][ T5206] RIP: 0033:0x7ff7b82d7a8a [ 143.709110][ T5206] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 143.730373][ T5206] RSP: 002b:00007ff7b7937e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 143.740413][ T5206] RAX: ffffffffffffffda RBX: 00007ff7b7937ee0 RCX: 00007ff7b82d7a8a [ 143.749032][ T5206] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007ff7b7937ea0 [ 143.757114][ T5206] RBP: 00002000000008c0 R08: 00007ff7b7937ee0 R09: 0000000000008c1b [ 143.765711][ T5206] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100 [ 143.774837][ T5206] R13: 00007ff7b7937ea0 R14: 000000000001276f R15: 0000200000000240 [ 143.783279][ T5206] [ 143.786406][ T5203] CPU: 0 PID: 5203 Comm: syz.0.50 Not tainted syzkaller #0 [ 143.794068][ T5203] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 143.804687][ T5203] Call Trace: [ 143.808395][ T5203] [ 143.812226][ T5203] dump_stack_lvl+0x188/0x250 [ 143.816941][ T5203] ? show_regs_print_info+0x20/0x20 [ 143.822373][ T5203] ? load_image+0x410/0x410 [ 143.827155][ T5203] sysfs_create_dir_ns+0x26a/0x290 [ 143.832695][ T5203] ? sysfs_warn_dup+0xa0/0xa0 [ 143.837415][ T5203] ? do_raw_spin_unlock+0x11d/0x230 [ 143.842897][ T5203] kobject_add_internal+0x5ba/0xcd0 [ 143.848305][ T5203] kobject_init_and_add+0x128/0x190 [ 143.853524][ T5203] ? lockdep_softirqs_off+0x430/0x430 [ 143.859288][ T5203] ? kobject_add+0x230/0x230 [ 143.864000][ T5203] ? __init_swait_queue_head+0xa4/0x140 [ 143.869582][ T5203] gfs2_sys_fs_add+0x24f/0x4b0 [ 143.874472][ T5203] ? gfs2_recover_set+0x240/0x240 [ 143.879862][ T5203] ? snprintf+0xe5/0x140 [ 143.884238][ T5203] ? __free_pages+0x95/0x1a0 [ 143.889211][ T5203] ? vscnprintf+0x80/0x80 [ 143.893573][ T5203] gfs2_fill_super+0x11ed/0x1ea0 [ 143.898744][ T5203] ? gfs2_reconfigure+0xd80/0xd80 [ 143.904086][ T5203] ? sb_set_blocksize+0xa5/0xe0 [ 143.908978][ T5203] get_tree_bdev+0x3e6/0x610 [ 143.913601][ T5203] ? gfs2_reconfigure+0xd80/0xd80 [ 143.918778][ T5203] gfs2_get_tree+0x4d/0x1e0 [ 143.923689][ T5203] vfs_get_tree+0x88/0x270 [ 143.928304][ T5203] do_new_mount+0x247/0xa40 [ 143.932841][ T5203] __se_sys_mount+0x2e3/0x3d0 [ 143.937633][ T5203] ? __x64_sys_mount+0xc0/0xc0 [ 143.942716][ T5203] ? lockdep_hardirqs_on+0x94/0x140 [ 143.947950][ T5203] ? __x64_sys_mount+0x1c/0xc0 [ 143.953000][ T5203] do_syscall_64+0x4c/0xa0 [ 143.958223][ T5203] ? clear_bhb_loop+0x30/0x80 [ 143.963316][ T5203] ? clear_bhb_loop+0x30/0x80 [ 143.968282][ T5203] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 143.974941][ T5203] RIP: 0033:0x7f4fe4632a8a [ 143.979904][ T5203] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 144.000079][ T5203] RSP: 002b:00007f4fe3c92e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 144.008978][ T5203] RAX: ffffffffffffffda RBX: 00007f4fe3c92ee0 RCX: 00007f4fe4632a8a [ 144.017723][ T5203] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f4fe3c92ea0 [ 144.026321][ T5203] RBP: 00002000000008c0 R08: 00007f4fe3c92ee0 R09: 0000000000008c1b [ 144.031052][ T5208] loop2: detected capacity change from 0 to 32768 [ 144.034656][ T5203] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100 [ 144.034669][ T5203] R13: 00007f4fe3c92ea0 R14: 000000000001276f R15: 0000200000000240 [ 144.034692][ T5203] [ 144.058421][ T5203] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 144.064761][ T5206] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 144.082579][ T5203] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 144.090945][ T5206] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 144.121532][ T5208] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 144.130283][ T5208] CPU: 1 PID: 5208 Comm: syz.2.53 Not tainted syzkaller #0 [ 144.137503][ T5208] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 144.148496][ T5208] Call Trace: [ 144.152225][ T5208] [ 144.155175][ T5208] dump_stack_lvl+0x188/0x250 [ 144.159973][ T5208] ? show_regs_print_info+0x20/0x20 [ 144.165363][ T5208] ? load_image+0x410/0x410 [ 144.169906][ T5208] sysfs_create_dir_ns+0x26a/0x290 [ 144.175139][ T5208] ? sysfs_warn_dup+0xa0/0xa0 [ 144.180006][ T5208] ? do_raw_spin_unlock+0x11d/0x230 [ 144.185672][ T5208] kobject_add_internal+0x5ba/0xcd0 [ 144.191230][ T5208] kobject_init_and_add+0x128/0x190 [ 144.196471][ T5208] ? lockdep_softirqs_off+0x430/0x430 [ 144.202141][ T5208] ? kobject_add+0x230/0x230 [ 144.206925][ T5208] ? __init_swait_queue_head+0xa4/0x140 [ 144.212598][ T5208] gfs2_sys_fs_add+0x24f/0x4b0 [ 144.217729][ T5208] ? gfs2_recover_set+0x240/0x240 [ 144.223135][ T5208] ? snprintf+0xe5/0x140 [ 144.227880][ T5208] ? __free_pages+0x95/0x1a0 [ 144.232655][ T5208] ? vscnprintf+0x80/0x80 [ 144.237570][ T5208] gfs2_fill_super+0x11ed/0x1ea0 [ 144.242623][ T5208] ? gfs2_reconfigure+0xd80/0xd80 [ 144.248240][ T5208] ? sb_set_blocksize+0xa5/0xe0 [ 144.254632][ T5208] get_tree_bdev+0x3e6/0x610 [ 144.259437][ T5208] ? gfs2_reconfigure+0xd80/0xd80 [ 144.264963][ T5208] gfs2_get_tree+0x4d/0x1e0 [ 144.270055][ T5208] vfs_get_tree+0x88/0x270 [ 144.274851][ T5208] do_new_mount+0x247/0xa40 [ 144.279697][ T5208] __se_sys_mount+0x2e3/0x3d0 [ 144.284567][ T5208] ? __x64_sys_mount+0xc0/0xc0 [ 144.289427][ T5208] ? lockdep_hardirqs_on+0x94/0x140 [ 144.295181][ T5208] ? __x64_sys_mount+0x1c/0xc0 [ 144.300398][ T5208] do_syscall_64+0x4c/0xa0 [ 144.305248][ T5208] ? clear_bhb_loop+0x30/0x80 [ 144.310300][ T5208] ? clear_bhb_loop+0x30/0x80 [ 144.315157][ T5208] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 144.321578][ T5208] RIP: 0033:0x7f921cc36a8a [ 144.327113][ T5208] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 144.350731][ T5208] RSP: 002b:00007f921c296e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 144.360373][ T5208] RAX: ffffffffffffffda RBX: 00007f921c296ee0 RCX: 00007f921cc36a8a [ 144.369071][ T5208] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f921c296ea0 [ 144.378106][ T5208] RBP: 00002000000008c0 R08: 00007f921c296ee0 R09: 0000000000008c1b [ 144.387247][ T5208] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100 [ 144.396088][ T5208] R13: 00007f921c296ea0 R14: 000000000001276f R15: 0000200000000240 [ 144.405221][ T5208] [ 144.411609][ T5208] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 144.426998][ T5208] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 144.615568][ T5203] syz.0.50 (5203): drop_caches: 2 [ 144.698346][ T5201] syz.1.49 (5201): drop_caches: 2 [ 144.714881][ T5206] syz.4.51 (5206): drop_caches: 2 2026/07/02 01:06:32 executed programs: 48 [ 144.809053][ T5208] syz.2.53 (5208): drop_caches: 2 [ 145.591221][ T5210] loop0: detected capacity change from 0 to 32768 [ 145.661456][ T5212] gfs2: fsid=statfs_quantum: Trying to join cluster "lock_nolock", "statfs_quantum" [ 145.681648][ T5210] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 145.681648][ T5214] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 145.681668][ T5214] CPU: 1 PID: 5214 Comm: syz.4.56 Not tainted syzkaller #0 [ 145.705724][ T5214] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 145.716736][ T5214] Call Trace: [ 145.720029][ T5214] [ 145.722971][ T5214] dump_stack_lvl+0x188/0x250 [ 145.728576][ T5214] ? show_regs_print_info+0x20/0x20 [ 145.733983][ T5214] ? load_image+0x410/0x410 [ 145.736115][ T5212] gfs2: fsid=statfs_quantum: Now mounting FS (format 1801)... [ 145.738771][ T5214] sysfs_create_dir_ns+0x26a/0x290 [ 145.752053][ T5214] ? sysfs_warn_dup+0xa0/0xa0 [ 145.757038][ T5214] ? do_raw_spin_unlock+0x11d/0x230 [ 145.762717][ T5214] kobject_add_internal+0x5ba/0xcd0 [ 145.768502][ T5214] kobject_init_and_add+0x128/0x190 [ 145.773706][ T5214] ? lockdep_softirqs_off+0x430/0x430 [ 145.779129][ T5214] ? kobject_add+0x230/0x230 [ 145.783810][ T5214] ? __init_swait_queue_head+0xa4/0x140 [ 145.789446][ T5214] gfs2_sys_fs_add+0x24f/0x4b0 [ 145.794505][ T5214] ? gfs2_recover_set+0x240/0x240 [ 145.799722][ T5214] ? snprintf+0xe5/0x140 [ 145.804075][ T5214] ? __free_pages+0x95/0x1a0 [ 145.808766][ T5214] ? vscnprintf+0x80/0x80 [ 145.813098][ T5214] gfs2_fill_super+0x11ed/0x1ea0 [ 145.818129][ T5214] ? gfs2_reconfigure+0xd80/0xd80 [ 145.823370][ T5214] ? sb_set_blocksize+0xa5/0xe0 [ 145.828414][ T5214] get_tree_bdev+0x3e6/0x610 [ 145.833090][ T5214] ? gfs2_reconfigure+0xd80/0xd80 [ 145.838465][ T5214] gfs2_get_tree+0x4d/0x1e0 [ 145.843905][ T5214] vfs_get_tree+0x88/0x270 [ 145.848865][ T5214] do_new_mount+0x247/0xa40 [ 145.853571][ T5214] __se_sys_mount+0x2e3/0x3d0 [ 145.858863][ T5214] ? __x64_sys_mount+0xc0/0xc0 [ 145.864289][ T5214] ? lockdep_hardirqs_on+0x94/0x140 [ 145.870266][ T5214] ? __x64_sys_mount+0x1c/0xc0 [ 145.875145][ T5214] do_syscall_64+0x4c/0xa0 [ 145.879738][ T5214] ? clear_bhb_loop+0x30/0x80 [ 145.884758][ T5214] ? clear_bhb_loop+0x30/0x80 [ 145.889719][ T5214] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 145.895600][ T5214] RIP: 0033:0x7ff7b82d7a8a [ 145.900279][ T5214] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 145.920917][ T5214] RSP: 002b:00007ff7b7937e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 145.929869][ T5214] RAX: ffffffffffffffda RBX: 00007ff7b7937ee0 RCX: 00007ff7b82d7a8a [ 145.938738][ T5214] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007ff7b7937ea0 [ 145.947402][ T5214] RBP: 00002000000008c0 R08: 00007ff7b7937ee0 R09: 0000000000008c1b [ 145.956695][ T5214] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100 [ 145.965526][ T5214] R13: 00007ff7b7937ea0 R14: 000000000001276f R15: 0000200000000240 [ 145.973978][ T5214] [ 145.986900][ T5210] CPU: 0 PID: 5210 Comm: syz.0.54 Not tainted syzkaller #0 [ 145.994617][ T5210] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 146.004958][ T5210] Call Trace: [ 146.008639][ T5210] [ 146.011667][ T5210] dump_stack_lvl+0x188/0x250 [ 146.016603][ T5210] ? show_regs_print_info+0x20/0x20 [ 146.019109][ T5218] set_capacity_and_notify: 3 callbacks suppressed [ 146.019129][ T5218] loop3: detected capacity change from 0 to 32768 [ 146.022034][ T5210] ? load_image+0x410/0x410 [ 146.032518][ T5214] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 146.035162][ T5210] sysfs_create_dir_ns+0x26a/0x290 [ 146.035193][ T5210] ? sysfs_warn_dup+0xa0/0xa0 [ 146.035209][ T5210] ? do_raw_spin_unlock+0x11d/0x230 [ 146.035228][ T5210] kobject_add_internal+0x5ba/0xcd0 [ 146.035250][ T5210] kobject_init_and_add+0x128/0x190 [ 146.035268][ T5210] ? lockdep_softirqs_off+0x430/0x430 [ 146.035289][ T5210] ? kobject_add+0x230/0x230 [ 146.035310][ T5210] ? __init_swait_queue_head+0xa4/0x140 [ 146.035330][ T5210] gfs2_sys_fs_add+0x24f/0x4b0 [ 146.035347][ T5210] ? gfs2_recover_set+0x240/0x240 [ 146.035364][ T5210] ? snprintf+0xe5/0x140 [ 146.035378][ T5210] ? __free_pages+0x95/0x1a0 [ 146.050688][ T5212] gfs2: fsid=statfs_quantum.s: journal 0 mapped with 18 extents in 0ms [ 146.055942][ T5210] ? vscnprintf+0x80/0x80 [ 146.055975][ T5210] gfs2_fill_super+0x11ed/0x1ea0 [ 146.056002][ T5210] ? gfs2_reconfigure+0xd80/0xd80 [ 146.056032][ T5210] ? sb_set_blocksize+0xa5/0xe0 [ 146.056049][ T5210] get_tree_bdev+0x3e6/0x610 [ 146.056068][ T5210] ? gfs2_reconfigure+0xd80/0xd80 [ 146.056087][ T5210] gfs2_get_tree+0x4d/0x1e0 [ 146.056107][ T5210] vfs_get_tree+0x88/0x270 [ 146.056124][ T5210] do_new_mount+0x247/0xa40 [ 146.067660][ T5214] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 146.071873][ T5210] __se_sys_mount+0x2e3/0x3d0 [ 146.187095][ T5212] gfs2: fsid=statfs_quantum.s: first mount done, others may mount [ 146.187906][ T5210] ? __x64_sys_mount+0xc0/0xc0 [ 146.201062][ T5210] ? lockdep_hardirqs_on+0x94/0x140 [ 146.206890][ T5212] gfs2: fsid=statfs_quantum.s: fatal: invalid metadata block [ 146.206890][ T5212] bh = 2081 (type: exp=3, found=14) [ 146.206890][ T5212] function = gfs2_rgrp_bh_get, file = fs/gfs2/rgrp.c, line = 1224 [ 146.206892][ T5210] ? __x64_sys_mount+0x1c/0xc0 [ 146.206921][ T5212] gfs2: fsid=statfs_quantum.s: about to withdraw this file system [ 146.231800][ T5210] do_syscall_64+0x4c/0xa0 [ 146.231832][ T5210] ? clear_bhb_loop+0x30/0x80 [ 146.231848][ T5210] ? clear_bhb_loop+0x30/0x80 [ 146.231863][ T5210] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 146.231880][ T5210] RIP: 0033:0x7f4fe4632a8a [ 146.231897][ T5210] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 146.231910][ T5210] RSP: 002b:00007f4fe3c92e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 146.231928][ T5210] RAX: ffffffffffffffda RBX: 00007f4fe3c92ee0 RCX: 00007f4fe4632a8a [ 146.231939][ T5210] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f4fe3c92ea0 [ 146.231950][ T5210] RBP: 00002000000008c0 R08: 00007f4fe3c92ee0 R09: 0000000000008c1b [ 146.231961][ T5210] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100 [ 146.231973][ T5210] R13: 00007f4fe3c92ea0 R14: 000000000001276f R15: 0000200000000240 [ 146.231999][ T5210] [ 146.238692][ T5210] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 146.263929][ T5212] gfs2: fsid=statfs_quantum.s: Journal recovery skipped for jid 0 until next mount. [ 146.274071][ T5219] syz.1.55 (5219): drop_caches: 2 [ 146.298839][ T5212] gfs2: fsid=statfs_quantum.s: Glock dequeues delayed: 0 [ 146.304053][ T5210] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 146.322564][ T5218] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 146.328012][ T5216] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 146.342262][ T5218] CPU: 1 PID: 5218 Comm: syz.3.52 Not tainted syzkaller #0 [ 146.395266][ T5212] gfs2: fsid=statfs_quantum.s: File system withdrawn [ 146.395897][ T5218] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 146.395910][ T5218] Call Trace: [ 146.395916][ T5218] [ 146.395924][ T5218] dump_stack_lvl+0x188/0x250 [ 146.450663][ T5218] ? show_regs_print_info+0x20/0x20 [ 146.456138][ T5218] ? load_image+0x410/0x410 [ 146.460833][ T5218] sysfs_create_dir_ns+0x26a/0x290 [ 146.466215][ T5218] ? sysfs_warn_dup+0xa0/0xa0 [ 146.470893][ T5218] ? do_raw_spin_unlock+0x11d/0x230 [ 146.476826][ T5218] kobject_add_internal+0x5ba/0xcd0 [ 146.482350][ T5218] kobject_init_and_add+0x128/0x190 [ 146.487747][ T5218] ? lockdep_softirqs_off+0x430/0x430 [ 146.493522][ T5218] ? kobject_add+0x230/0x230 [ 146.498216][ T5218] ? __init_swait_queue_head+0xa4/0x140 [ 146.503780][ T5218] gfs2_sys_fs_add+0x24f/0x4b0 [ 146.508547][ T5218] ? gfs2_recover_set+0x240/0x240 [ 146.514067][ T5218] ? snprintf+0xe5/0x140 [ 146.518527][ T5218] ? __free_pages+0x95/0x1a0 [ 146.523396][ T5218] ? vscnprintf+0x80/0x80 [ 146.528002][ T5218] gfs2_fill_super+0x11ed/0x1ea0 [ 146.533042][ T5218] ? gfs2_reconfigure+0xd80/0xd80 [ 146.538304][ T5218] ? sb_set_blocksize+0xa5/0xe0 [ 146.543150][ T5218] get_tree_bdev+0x3e6/0x610 [ 146.547935][ T5218] ? gfs2_reconfigure+0xd80/0xd80 [ 146.552978][ T5218] gfs2_get_tree+0x4d/0x1e0 [ 146.557590][ T5218] vfs_get_tree+0x88/0x270 [ 146.562101][ T5218] do_new_mount+0x247/0xa40 [ 146.566923][ T5218] __se_sys_mount+0x2e3/0x3d0 [ 146.571776][ T5218] ? __x64_sys_mount+0xc0/0xc0 [ 146.577066][ T5218] ? lockdep_hardirqs_on+0x94/0x140 [ 146.582482][ T5218] ? __x64_sys_mount+0x1c/0xc0 [ 146.587987][ T5218] do_syscall_64+0x4c/0xa0 [ 146.592694][ T5218] ? clear_bhb_loop+0x30/0x80 [ 146.597395][ T5218] ? clear_bhb_loop+0x30/0x80 [ 146.602258][ T5218] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 146.608860][ T5218] RIP: 0033:0x7f6e6a1caa8a [ 146.613982][ T5218] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 146.634865][ T5218] RSP: 002b:00007f6e6982ae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 146.643465][ T5218] RAX: ffffffffffffffda RBX: 00007f6e6982aee0 RCX: 00007f6e6a1caa8a [ 146.652228][ T5218] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f6e6982aea0 [ 146.660553][ T5218] RBP: 00002000000008c0 R08: 00007f6e6982aee0 R09: 0000000000008c1b [ 146.668616][ T5218] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100 [ 146.677537][ T5218] R13: 00007f6e6982aea0 R14: 000000000001276f R15: 0000200000000240 [ 146.685889][ T5218] [ 146.689084][ T5216] CPU: 0 PID: 5216 Comm: syz.2.57 Not tainted syzkaller #0 [ 146.697055][ T5216] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 146.703485][ T5218] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 146.708605][ T5216] Call Trace: [ 146.708622][ T5216] [ 146.708636][ T5216] dump_stack_lvl+0x188/0x250 [ 146.708663][ T5216] ? show_regs_print_info+0x20/0x20 [ 146.708679][ T5216] ? load_image+0x410/0x410 [ 146.708703][ T5216] sysfs_create_dir_ns+0x26a/0x290 [ 146.729490][ T5218] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 146.734222][ T5216] ? sysfs_warn_dup+0xa0/0xa0 [ 146.762865][ T5216] ? do_raw_spin_unlock+0x11d/0x230 [ 146.768867][ T5216] kobject_add_internal+0x5ba/0xcd0 [ 146.774541][ T5216] kobject_init_and_add+0x128/0x190 [ 146.779747][ T5216] ? lockdep_softirqs_off+0x430/0x430 [ 146.785304][ T5216] ? kobject_add+0x230/0x230 [ 146.790030][ T5216] ? __init_swait_queue_head+0xa4/0x140 [ 146.795993][ T5216] gfs2_sys_fs_add+0x24f/0x4b0 [ 146.801130][ T5216] ? gfs2_recover_set+0x240/0x240 [ 146.806173][ T5216] ? snprintf+0xe5/0x140 [ 146.810516][ T5216] ? __free_pages+0x95/0x1a0 [ 146.815250][ T5216] ? vscnprintf+0x80/0x80 [ 146.819735][ T5216] gfs2_fill_super+0x11ed/0x1ea0 [ 146.825012][ T5216] ? gfs2_reconfigure+0xd80/0xd80 [ 146.830256][ T5216] ? sb_set_blocksize+0xa5/0xe0 [ 146.835253][ T5216] get_tree_bdev+0x3e6/0x610 [ 146.840333][ T5216] ? gfs2_reconfigure+0xd80/0xd80 [ 146.845366][ T5216] gfs2_get_tree+0x4d/0x1e0 [ 146.850194][ T5216] vfs_get_tree+0x88/0x270 [ 146.854811][ T5216] do_new_mount+0x247/0xa40 [ 146.859418][ T5216] __se_sys_mount+0x2e3/0x3d0 [ 146.864603][ T5216] ? __x64_sys_mount+0xc0/0xc0 [ 146.869570][ T5216] ? lockdep_hardirqs_on+0x94/0x140 [ 146.874950][ T5216] ? __x64_sys_mount+0x1c/0xc0 [ 146.879723][ T5216] do_syscall_64+0x4c/0xa0 [ 146.884143][ T5216] ? clear_bhb_loop+0x30/0x80 [ 146.888907][ T5216] ? clear_bhb_loop+0x30/0x80 [ 146.893801][ T5216] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 146.900647][ T5216] RIP: 0033:0x7f921cc36a8a [ 146.905170][ T5216] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 146.924958][ T5216] RSP: 002b:00007f921c296e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 146.933740][ T5216] RAX: ffffffffffffffda RBX: 00007f921c296ee0 RCX: 00007f921cc36a8a [ 146.941898][ T5216] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f921c296ea0 [ 146.950461][ T5216] RBP: 00002000000008c0 R08: 00007f921c296ee0 R09: 0000000000008c1b [ 146.958715][ T5216] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100 [ 146.967041][ T5216] R13: 00007f921c296ea0 R14: 000000000001276f R15: 0000200000000240 [ 146.975152][ T5216] [ 146.981716][ T5212] CPU: 1 PID: 5212 Comm: syz.1.55 Not tainted syzkaller #0 [ 146.982679][ T5216] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 146.989361][ T5212] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 146.989381][ T5212] Call Trace: [ 146.989390][ T5212] [ 146.989398][ T5212] dump_stack_lvl+0x188/0x250 [ 146.989424][ T5212] ? show_regs_print_info+0x20/0x20 [ 146.989441][ T5212] ? load_image+0x410/0x410 [ 146.989466][ T5212] gfs2_withdraw+0xb9a/0x14e0 [ 146.989490][ T5212] ? gfs2_lm+0x240/0x240 [ 147.003948][ T5216] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 147.013869][ T5212] ? gfs2_meta_read+0x7dc/0xa60 [ 147.013903][ T5212] ? gfs2_meta_new+0x160/0x160 [ 147.013923][ T5212] gfs2_metatype_check_ii+0x74/0x90 [ 147.013944][ T5212] gfs2_rgrp_bh_get+0x3b1/0x1360 [ 147.013966][ T5212] ? do_raw_spin_unlock+0x11d/0x230 [ 147.078253][ T5212] do_promote+0x75b/0xb20 [ 147.082696][ T5212] finish_xmote+0x4c2/0xaf0 [ 147.087391][ T5212] do_xmote+0x752/0x10a0 [ 147.091786][ T5212] gfs2_glock_nq+0xc6b/0x1510 [ 147.096572][ T5212] gfs2_inplace_reserve+0xca4/0x34c0 [ 147.101929][ T5212] ? do_read_cache_page+0xc3b/0x1010 [ 147.107576][ T5212] ? gfs2_write_alloc_required+0x33d/0x680 [ 147.113661][ T5212] ? gfs2_rgrp_out+0x6f0/0x6f0 [ 147.118569][ T5212] ? from_kgid+0x14f/0x6a0 [ 147.123345][ T5212] ? make_kgid+0x650/0x650 [ 147.128006][ T5212] ? gfs2_write_calc_reserv+0x251/0x370 [ 147.133859][ T5212] gfs2_set_dqblk+0x827/0xc30 [ 147.138542][ T5212] ? gfs2_get_dqblk+0x530/0x530 [ 147.143602][ T5212] ? gfs2_glock_nq_init+0x26/0x60 [ 147.148993][ T5212] ? gfs2_glock_nq_init+0x26/0x60 [ 147.154119][ T5212] ? make_kgid+0x1c4/0x650 [ 147.158738][ T5212] ? from_kgid+0x14f/0x6a0 [ 147.163426][ T5212] ? __might_fault+0xb3/0x110 [ 147.169042][ T5212] quota_setquota+0x4d6/0x590 [ 147.174093][ T5212] ? quota_getnextquota+0x4a0/0x4a0 [ 147.179393][ T5212] ? bpf_lsm_capable+0x5/0x10 [ 147.184488][ T5212] ? security_capable+0x85/0xb0 [ 147.190392][ T5212] ? do_quotactl+0x549/0x760 [ 147.195174][ T5212] __se_sys_quotactl+0x28b/0x6f0 [ 147.200502][ T5212] ? __x64_sys_quotactl+0xa0/0xa0 [ 147.206088][ T5212] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 147.212175][ T5212] ? lock_chain_count+0x20/0x20 [ 147.217030][ T5212] ? lockdep_hardirqs_on+0x94/0x140 [ 147.222528][ T5212] do_syscall_64+0x4c/0xa0 [ 147.226937][ T5212] ? clear_bhb_loop+0x30/0x80 [ 147.231656][ T5212] ? clear_bhb_loop+0x30/0x80 [ 147.236335][ T5212] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 147.242315][ T5212] RIP: 0033:0x7f9d7b968819 [ 147.246774][ T5212] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 147.267494][ T5212] RSP: 002b:00007f9d7afca028 EFLAGS: 00000246 ORIG_RAX: 00000000000000b3 [ 147.276114][ T5212] RAX: ffffffffffffffda RBX: 00007f9d7bbe1fa0 RCX: 00007f9d7b968819 [ 147.284187][ T5212] RDX: 0000000000000000 RSI: 0000200000002540 RDI: ffffffff80000801 [ 147.292540][ T5212] RBP: 00007f9d7b9fec91 R08: 0000000000000000 R09: 0000000000000000 [ 147.301412][ T5212] R10: 0000200000000140 R11: 0000000000000246 R12: 0000000000000000 [ 147.311141][ T5212] R13: 00007f9d7bbe2038 R14: 00007f9d7bbe1fa0 R15: 00007ffcc6b9cc28 [ 147.319688][ T5212] [ 147.447689][ T5210] syz.0.54 (5210): drop_caches: 2 [ 147.531059][ T5214] syz.4.56 (5214): drop_caches: 2 [ 147.634909][ T5216] syz.2.57 (5216): drop_caches: 2 [ 147.708557][ T5218] syz.3.52 (5218): drop_caches: 2 [ 148.530591][ T5221] loop0: detected capacity change from 0 to 32768 [ 148.604475][ T5221] gfs2: fsid=statfs_quantum: Trying to join cluster "lock_nolock", "statfs_quantum" [ 148.623580][ T5223] loop4: detected capacity change from 0 to 32768 [ 148.640888][ T5221] gfs2: fsid=statfs_quantum: Now mounting FS (format 1801)... [ 148.679094][ T5223] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 148.685453][ T5221] gfs2: fsid=statfs_quantum.s: journal 0 mapped with 18 extents in 0ms [ 148.708367][ T5223] CPU: 0 PID: 5223 Comm: syz.4.60 Not tainted syzkaller #0 [ 148.716235][ T5223] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 148.726741][ T5223] Call Trace: [ 148.730653][ T5223] [ 148.734004][ T5223] dump_stack_lvl+0x188/0x250 [ 148.739131][ T5223] ? show_regs_print_info+0x20/0x20 [ 148.744739][ T5223] ? load_image+0x410/0x410 [ 148.749543][ T5223] sysfs_create_dir_ns+0x26a/0x290 [ 148.755171][ T5223] ? sysfs_warn_dup+0xa0/0xa0 [ 148.760055][ T5223] ? do_raw_spin_unlock+0x11d/0x230 [ 148.765628][ T5223] kobject_add_internal+0x5ba/0xcd0 [ 148.771113][ T5223] kobject_init_and_add+0x128/0x190 [ 148.776325][ T5223] ? lockdep_softirqs_off+0x430/0x430 [ 148.782039][ T5223] ? kobject_add+0x230/0x230 [ 148.786747][ T5223] ? __init_swait_queue_head+0xa4/0x140 [ 148.792496][ T5223] gfs2_sys_fs_add+0x24f/0x4b0 [ 148.797463][ T5223] ? gfs2_recover_set+0x240/0x240 [ 148.802695][ T5223] ? snprintf+0xe5/0x140 [ 148.807140][ T5223] ? __free_pages+0x95/0x1a0 [ 148.811843][ T5223] ? vscnprintf+0x80/0x80 [ 148.816271][ T5223] gfs2_fill_super+0x11ed/0x1ea0 [ 148.821248][ T5223] ? gfs2_reconfigure+0xd80/0xd80 [ 148.826311][ T5223] ? sb_set_blocksize+0xa5/0xe0 [ 148.831470][ T5223] get_tree_bdev+0x3e6/0x610 [ 148.836346][ T5223] ? gfs2_reconfigure+0xd80/0xd80 [ 148.841654][ T5223] gfs2_get_tree+0x4d/0x1e0 [ 148.846535][ T5223] vfs_get_tree+0x88/0x270 [ 148.851445][ T5223] do_new_mount+0x247/0xa40 [ 148.856179][ T5223] __se_sys_mount+0x2e3/0x3d0 [ 148.861399][ T5223] ? __x64_sys_mount+0xc0/0xc0 [ 148.866531][ T5223] ? lockdep_hardirqs_on+0x94/0x140 [ 148.871831][ T5223] ? __x64_sys_mount+0x1c/0xc0 [ 148.876775][ T5223] do_syscall_64+0x4c/0xa0 [ 148.881383][ T5223] ? clear_bhb_loop+0x30/0x80 [ 148.886264][ T5223] ? clear_bhb_loop+0x30/0x80 [ 148.891155][ T5223] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 148.897192][ T5223] RIP: 0033:0x7ff7b82d7a8a [ 148.901808][ T5223] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 148.922258][ T5223] RSP: 002b:00007ff7b7937e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 148.932322][ T5223] RAX: ffffffffffffffda RBX: 00007ff7b7937ee0 RCX: 00007ff7b82d7a8a [ 148.941320][ T5223] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007ff7b7937ea0 [ 148.950026][ T5223] RBP: 00002000000008c0 R08: 00007ff7b7937ee0 R09: 0000000000008c1b [ 148.960475][ T5223] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100 [ 148.968687][ T5223] R13: 00007ff7b7937ea0 R14: 000000000001276f R15: 0000200000000240 [ 148.976887][ T5223] [ 149.002736][ T5228] loop1: detected capacity change from 0 to 32768 [ 149.004758][ T5225] loop2: detected capacity change from 0 to 32768 [ 149.010386][ T5221] gfs2: fsid=statfs_quantum.s: first mount done, others may mount [ 149.061925][ T5221] gfs2: fsid=statfs_quantum.s: fatal: invalid metadata block [ 149.061925][ T5221] bh = 2081 (type: exp=3, found=14) [ 149.061925][ T5221] function = gfs2_rgrp_bh_get, file = fs/gfs2/rgrp.c, line = 1224 [ 149.070524][ T5229] loop3: detected capacity change from 0 to 32768 [ 149.100289][ T5223] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 149.113030][ T5228] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 149.115465][ T5223] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 149.137139][ T5221] gfs2: fsid=statfs_quantum.s: about to withdraw this file system [ 149.146642][ T5225] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 149.157689][ T5229] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 149.169778][ T5228] CPU: 1 PID: 5228 Comm: syz.1.58 Not tainted syzkaller #0 [ 149.177290][ T5228] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 149.177897][ T5230] syz.0.59 (5230): drop_caches: 2 [ 149.187809][ T5228] Call Trace: [ 149.187821][ T5228] [ 149.187828][ T5228] dump_stack_lvl+0x188/0x250 [ 149.187853][ T5228] ? show_regs_print_info+0x20/0x20 [ 149.187869][ T5228] ? load_image+0x410/0x410 [ 149.187893][ T5228] sysfs_create_dir_ns+0x26a/0x290 [ 149.187912][ T5228] ? sysfs_warn_dup+0xa0/0xa0 [ 149.187928][ T5228] ? do_raw_spin_unlock+0x11d/0x230 [ 149.187949][ T5228] kobject_add_internal+0x5ba/0xcd0 [ 149.187972][ T5228] kobject_init_and_add+0x128/0x190 [ 149.187989][ T5228] ? lockdep_softirqs_off+0x430/0x430 [ 149.188013][ T5228] ? kobject_add+0x230/0x230 [ 149.188042][ T5228] ? __init_swait_queue_head+0xa4/0x140 [ 149.188065][ T5228] gfs2_sys_fs_add+0x24f/0x4b0 [ 149.188086][ T5228] ? gfs2_recover_set+0x240/0x240 [ 149.188104][ T5228] ? snprintf+0xe5/0x140 [ 149.188119][ T5228] ? __free_pages+0x95/0x1a0 [ 149.188141][ T5228] ? vscnprintf+0x80/0x80 [ 149.188165][ T5228] gfs2_fill_super+0x11ed/0x1ea0 [ 149.289635][ T5228] ? gfs2_reconfigure+0xd80/0xd80 [ 149.294802][ T5228] ? sb_set_blocksize+0xa5/0xe0 [ 149.300571][ T5228] get_tree_bdev+0x3e6/0x610 [ 149.305596][ T5228] ? gfs2_reconfigure+0xd80/0xd80 [ 149.310794][ T5228] gfs2_get_tree+0x4d/0x1e0 [ 149.316653][ T5228] vfs_get_tree+0x88/0x270 [ 149.323389][ T5228] do_new_mount+0x247/0xa40 [ 149.328122][ T5228] __se_sys_mount+0x2e3/0x3d0 [ 149.333640][ T5228] ? __x64_sys_mount+0xc0/0xc0 [ 149.339090][ T5228] ? lockdep_hardirqs_on+0x94/0x140 [ 149.346921][ T5228] ? __x64_sys_mount+0x1c/0xc0 [ 149.353073][ T5228] do_syscall_64+0x4c/0xa0 [ 149.357988][ T5228] ? clear_bhb_loop+0x30/0x80 [ 149.364122][ T5228] ? clear_bhb_loop+0x30/0x80 [ 149.370656][ T5228] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 149.379935][ T5228] RIP: 0033:0x7f9d7b969a8a [ 149.384733][ T5228] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 149.408878][ T5228] RSP: 002b:00007f9d7afc9e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 149.418209][ T5228] RAX: ffffffffffffffda RBX: 00007f9d7afc9ee0 RCX: 00007f9d7b969a8a [ 149.426866][ T5228] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f9d7afc9ea0 [ 149.435188][ T5228] RBP: 00002000000008c0 R08: 00007f9d7afc9ee0 R09: 0000000000008c1b [ 149.443426][ T5228] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100 [ 149.451889][ T5228] R13: 00007f9d7afc9ea0 R14: 000000000001276f R15: 0000200000000240 [ 149.460181][ T5228] [ 149.468445][ T5225] CPU: 1 PID: 5225 Comm: syz.2.61 Not tainted syzkaller #0 [ 149.475891][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 149.486068][ T5225] Call Trace: [ 149.489556][ T5225] [ 149.492588][ T5225] dump_stack_lvl+0x188/0x250 [ 149.497980][ T5225] ? show_regs_print_info+0x20/0x20 [ 149.503282][ T5225] ? load_image+0x410/0x410 [ 149.508177][ T5225] sysfs_create_dir_ns+0x26a/0x290 [ 149.513400][ T5225] ? sysfs_warn_dup+0xa0/0xa0 [ 149.518548][ T5225] ? do_raw_spin_unlock+0x11d/0x230 [ 149.523989][ T5225] kobject_add_internal+0x5ba/0xcd0 [ 149.527992][ T5228] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 149.529388][ T5225] kobject_init_and_add+0x128/0x190 [ 149.550285][ T5225] ? lockdep_softirqs_off+0x430/0x430 [ 149.558363][ T5225] ? kobject_add+0x230/0x230 [ 149.563172][ T5225] ? __init_swait_queue_head+0xa4/0x140 [ 149.569080][ T5225] gfs2_sys_fs_add+0x24f/0x4b0 [ 149.574977][ T5225] ? gfs2_recover_set+0x240/0x240 [ 149.581848][ T5225] ? snprintf+0xe5/0x140 [ 149.586509][ T5225] ? __free_pages+0x95/0x1a0 [ 149.591832][ T5225] ? vscnprintf+0x80/0x80 [ 149.593640][ T5228] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 149.596589][ T5225] gfs2_fill_super+0x11ed/0x1ea0 [ 149.596626][ T5225] ? gfs2_reconfigure+0xd80/0xd80 [ 149.596656][ T5225] ? sb_set_blocksize+0xa5/0xe0 [ 149.596673][ T5225] get_tree_bdev+0x3e6/0x610 [ 149.596693][ T5225] ? gfs2_reconfigure+0xd80/0xd80 [ 149.596712][ T5225] gfs2_get_tree+0x4d/0x1e0 [ 149.596730][ T5225] vfs_get_tree+0x88/0x270 [ 149.596750][ T5225] do_new_mount+0x247/0xa40 [ 149.596774][ T5225] __se_sys_mount+0x2e3/0x3d0 [ 149.596797][ T5225] ? __x64_sys_mount+0xc0/0xc0 [ 149.596818][ T5225] ? lockdep_hardirqs_on+0x94/0x140 [ 149.596836][ T5225] ? __x64_sys_mount+0x1c/0xc0 [ 149.596856][ T5225] do_syscall_64+0x4c/0xa0 [ 149.596872][ T5225] ? clear_bhb_loop+0x30/0x80 [ 149.596889][ T5225] ? clear_bhb_loop+0x30/0x80 [ 149.596907][ T5225] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 149.683396][ T5228] syz.1.58 (5228): drop_caches: 2 [ 149.686790][ T5225] RIP: 0033:0x7f921cc36a8a [ 149.686811][ T5225] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 149.686823][ T5225] RSP: 002b:00007f921c296e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 149.726600][ T5225] RAX: ffffffffffffffda RBX: 00007f921c296ee0 RCX: 00007f921cc36a8a [ 149.735552][ T5225] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f921c296ea0 [ 149.744257][ T5225] RBP: 00002000000008c0 R08: 00007f921c296ee0 R09: 0000000000008c1b [ 149.752507][ T5225] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100 [ 149.760678][ T5225] R13: 00007f921c296ea0 R14: 000000000001276f R15: 0000200000000240 [ 149.769029][ T5225] [ 149.772681][ T5229] CPU: 0 PID: 5229 Comm: syz.3.62 Not tainted syzkaller #0 [ 149.775675][ T5221] gfs2: fsid=statfs_quantum.s: Journal recovery skipped for jid 0 until next mount. [ 149.780253][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 149.780267][ T5229] Call Trace: [ 149.807263][ T5229] [ 149.810222][ T5229] dump_stack_lvl+0x188/0x250 [ 149.815686][ T5229] ? show_regs_print_info+0x20/0x20 [ 149.821268][ T5229] ? load_image+0x410/0x410 [ 149.825208][ T5221] gfs2: fsid=statfs_quantum.s: Glock dequeues delayed: 0 [ 149.825799][ T5229] sysfs_create_dir_ns+0x26a/0x290 [ 149.838277][ T5229] ? sysfs_warn_dup+0xa0/0xa0 [ 149.843395][ T5229] ? do_raw_spin_unlock+0x11d/0x230 [ 149.848871][ T5229] kobject_add_internal+0x5ba/0xcd0 [ 149.854092][ T5229] kobject_init_and_add+0x128/0x190 [ 149.855078][ T5221] gfs2: fsid=statfs_quantum.s: File system withdrawn [ 149.859552][ T5229] ? lockdep_softirqs_off+0x430/0x430 [ 149.871834][ T5229] ? kobject_add+0x230/0x230 [ 149.876662][ T5229] ? __init_swait_queue_head+0xa4/0x140 [ 149.882363][ T5229] gfs2_sys_fs_add+0x24f/0x4b0 [ 149.887314][ T5229] ? gfs2_recover_set+0x240/0x240 [ 149.892413][ T5229] ? snprintf+0xe5/0x140 [ 149.896694][ T5229] ? __free_pages+0x95/0x1a0 [ 149.901388][ T5229] ? vscnprintf+0x80/0x80 [ 149.905766][ T5229] gfs2_fill_super+0x11ed/0x1ea0 [ 149.910911][ T5229] ? gfs2_reconfigure+0xd80/0xd80 [ 149.915976][ T5229] ? sb_set_blocksize+0xa5/0xe0 [ 149.920845][ T5229] get_tree_bdev+0x3e6/0x610 [ 149.925545][ T5229] ? gfs2_reconfigure+0xd80/0xd80 [ 149.930589][ T5229] gfs2_get_tree+0x4d/0x1e0 [ 149.935276][ T5229] vfs_get_tree+0x88/0x270 [ 149.939870][ T5229] do_new_mount+0x247/0xa40 [ 149.944908][ T5229] __se_sys_mount+0x2e3/0x3d0 [ 149.949592][ T5229] ? __x64_sys_mount+0xc0/0xc0 [ 149.954376][ T5229] ? lockdep_hardirqs_on+0x94/0x140 [ 149.960026][ T5229] ? __x64_sys_mount+0x1c/0xc0 [ 149.965158][ T5229] do_syscall_64+0x4c/0xa0 [ 149.970024][ T5229] ? clear_bhb_loop+0x30/0x80 [ 149.975329][ T5229] ? clear_bhb_loop+0x30/0x80 [ 149.980639][ T5229] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 149.986949][ T5229] RIP: 0033:0x7f6e6a1caa8a [ 149.991743][ T5229] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 150.012785][ T5229] RSP: 002b:00007f6e6982ae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 2026/07/02 01:06:37 executed programs: 56 [ 150.021398][ T5229] RAX: ffffffffffffffda RBX: 00007f6e6982aee0 RCX: 00007f6e6a1caa8a [ 150.029910][ T5229] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f6e6982aea0 [ 150.038167][ T5229] RBP: 00002000000008c0 R08: 00007f6e6982aee0 R09: 0000000000008c1b [ 150.046452][ T5229] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100 [ 150.054517][ T5229] R13: 00007f6e6982aea0 R14: 000000000001276f R15: 0000200000000240 [ 150.062854][ T5229] [ 150.074160][ T5229] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 150.090078][ T5221] CPU: 1 PID: 5221 Comm: syz.0.59 Not tainted syzkaller #0 [ 150.090318][ T5229] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 150.097988][ T5221] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 150.098008][ T5221] Call Trace: [ 150.098016][ T5221] [ 150.098024][ T5221] dump_stack_lvl+0x188/0x250 [ 150.098049][ T5221] ? show_regs_print_info+0x20/0x20 [ 150.098065][ T5221] ? load_image+0x410/0x410 [ 150.098089][ T5221] gfs2_withdraw+0xb9a/0x14e0 [ 150.098117][ T5221] ? gfs2_lm+0x240/0x240 [ 150.098132][ T5221] ? gfs2_meta_read+0x7dc/0xa60 [ 150.098158][ T5221] ? gfs2_meta_new+0x160/0x160 [ 150.098178][ T5221] gfs2_metatype_check_ii+0x74/0x90 [ 150.161769][ T5221] gfs2_rgrp_bh_get+0x3b1/0x1360 [ 150.166957][ T5221] ? do_raw_spin_unlock+0x11d/0x230 [ 150.172412][ T5221] do_promote+0x75b/0xb20 [ 150.177292][ T5221] finish_xmote+0x4c2/0xaf0 [ 150.182160][ T5221] do_xmote+0x752/0x10a0 [ 150.186673][ T5221] gfs2_glock_nq+0xc6b/0x1510 [ 150.191699][ T5221] gfs2_inplace_reserve+0xca4/0x34c0 [ 150.197070][ T5221] ? do_read_cache_page+0xc3b/0x1010 [ 150.202823][ T5221] ? gfs2_write_alloc_required+0x33d/0x680 [ 150.209077][ T5221] ? gfs2_rgrp_out+0x6f0/0x6f0 [ 150.214196][ T5221] ? from_kgid+0x14f/0x6a0 [ 150.218707][ T5221] ? make_kgid+0x650/0x650 [ 150.223128][ T5221] ? gfs2_write_calc_reserv+0x251/0x370 [ 150.228662][ T5221] gfs2_set_dqblk+0x827/0xc30 [ 150.233881][ T5221] ? gfs2_get_dqblk+0x530/0x530 [ 150.239049][ T5221] ? gfs2_glock_nq_init+0x26/0x60 [ 150.244175][ T5221] ? gfs2_glock_nq_init+0x26/0x60 [ 150.249516][ T5221] ? make_kgid+0x1c4/0x650 [ 150.254196][ T5221] ? from_kgid+0x14f/0x6a0 [ 150.258923][ T5221] ? __might_fault+0xb3/0x110 [ 150.263606][ T5221] quota_setquota+0x4d6/0x590 [ 150.268458][ T5221] ? quota_getnextquota+0x4a0/0x4a0 [ 150.273743][ T5221] ? bpf_lsm_capable+0x5/0x10 [ 150.279151][ T5221] ? security_capable+0x85/0xb0 [ 150.284608][ T5221] ? do_quotactl+0x549/0x760 [ 150.289301][ T5221] __se_sys_quotactl+0x28b/0x6f0 [ 150.294250][ T5221] ? __x64_sys_quotactl+0xa0/0xa0 [ 150.299423][ T5221] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 150.306196][ T5221] ? lock_chain_count+0x20/0x20 [ 150.311307][ T5221] ? lockdep_hardirqs_on+0x94/0x140 [ 150.318089][ T5221] do_syscall_64+0x4c/0xa0 [ 150.323279][ T5221] ? clear_bhb_loop+0x30/0x80 [ 150.328603][ T5221] ? clear_bhb_loop+0x30/0x80 [ 150.333982][ T5221] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 150.339969][ T5221] RIP: 0033:0x7f4fe4631819 [ 150.344498][ T5221] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 150.364616][ T5221] RSP: 002b:00007f4fe3c93028 EFLAGS: 00000246 ORIG_RAX: 00000000000000b3 [ 150.373221][ T5221] RAX: ffffffffffffffda RBX: 00007f4fe48aafa0 RCX: 00007f4fe4631819 [ 150.381781][ T5221] RDX: 0000000000000000 RSI: 0000200000002540 RDI: ffffffff80000801 [ 150.390455][ T5221] RBP: 00007f4fe46c7c91 R08: 0000000000000000 R09: 0000000000000000 [ 150.398887][ T5221] R10: 0000200000000140 R11: 0000000000000246 R12: 0000000000000000 [ 150.407127][ T5221] R13: 00007f4fe48ab038 R14: 00007f4fe48aafa0 R15: 00007ffe9b9bfcd8 [ 150.415740][ T5221] [ 150.423295][ T5225] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 150.438596][ T5225] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 150.750490][ T5229] syz.3.62 (5229): drop_caches: 2 [ 151.409399][ T5232] loop1: detected capacity change from 0 to 32768 [ 151.434286][ T5235] loop4: detected capacity change from 0 to 32768 [ 151.467757][ T5232] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 151.486765][ T5232] CPU: 1 PID: 5232 Comm: syz.1.63 Not tainted syzkaller #0 [ 151.494364][ T5232] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 151.504916][ T5237] loop2: detected capacity change from 0 to 32768 [ 151.505108][ T5232] Call Trace: [ 151.505117][ T5232] [ 151.518289][ T5232] dump_stack_lvl+0x188/0x250 [ 151.523207][ T5232] ? show_regs_print_info+0x20/0x20 [ 151.529089][ T5232] ? load_image+0x410/0x410 [ 151.533743][ T5232] sysfs_create_dir_ns+0x26a/0x290 [ 151.539476][ T5232] ? sysfs_warn_dup+0xa0/0xa0 [ 151.544175][ T5232] ? do_raw_spin_unlock+0x11d/0x230 [ 151.549486][ T5232] kobject_add_internal+0x5ba/0xcd0 [ 151.555241][ T5232] kobject_init_and_add+0x128/0x190 [ 151.558489][ T5238] loop3: detected capacity change from 0 to 32768 [ 151.560882][ T5232] ? lockdep_softirqs_off+0x430/0x430 [ 151.572659][ T5232] ? kobject_add+0x230/0x230 [ 151.577858][ T5232] ? __init_swait_queue_head+0xa4/0x140 [ 151.584141][ T5232] gfs2_sys_fs_add+0x24f/0x4b0 [ 151.589321][ T5232] ? gfs2_recover_set+0x240/0x240 [ 151.594816][ T5232] ? snprintf+0xe5/0x140 [ 151.599105][ T5232] ? __free_pages+0x95/0x1a0 [ 151.605006][ T5232] ? vscnprintf+0x80/0x80 [ 151.610691][ T5232] gfs2_fill_super+0x11ed/0x1ea0 [ 151.615945][ T5232] ? gfs2_reconfigure+0xd80/0xd80 [ 151.621971][ T5232] ? sb_set_blocksize+0xa5/0xe0 [ 151.627324][ T5232] get_tree_bdev+0x3e6/0x610 [ 151.632314][ T5232] ? gfs2_reconfigure+0xd80/0xd80 [ 151.637826][ T5232] gfs2_get_tree+0x4d/0x1e0 [ 151.642527][ T5232] vfs_get_tree+0x88/0x270 [ 151.647310][ T5232] do_new_mount+0x247/0xa40 [ 151.652097][ T5232] __se_sys_mount+0x2e3/0x3d0 [ 151.657099][ T5232] ? __x64_sys_mount+0xc0/0xc0 [ 151.662232][ T5232] ? lockdep_hardirqs_on+0x94/0x140 [ 151.667632][ T5232] ? __x64_sys_mount+0x1c/0xc0 [ 151.672517][ T5232] do_syscall_64+0x4c/0xa0 [ 151.677039][ T5232] ? clear_bhb_loop+0x30/0x80 [ 151.681795][ T5232] ? clear_bhb_loop+0x30/0x80 [ 151.686499][ T5232] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 151.692499][ T5232] RIP: 0033:0x7f9d7b969a8a [ 151.697173][ T5232] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 151.717649][ T5232] RSP: 002b:00007f9d7afc9e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 151.726607][ T5232] RAX: ffffffffffffffda RBX: 00007f9d7afc9ee0 RCX: 00007f9d7b969a8a [ 151.734915][ T5232] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f9d7afc9ea0 [ 151.743727][ T5232] RBP: 00002000000008c0 R08: 00007f9d7afc9ee0 R09: 0000000000008c1b [ 151.752352][ T5232] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100 [ 151.761232][ T5232] R13: 00007f9d7afc9ea0 R14: 000000000001276f R15: 0000200000000240 [ 151.769305][ T5232] [ 151.777524][ T5232] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 151.788348][ T5235] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 151.800179][ T5232] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 151.822904][ T5232] ================================================================== [ 151.828533][ T5235] CPU: 0 PID: 5235 Comm: syz.4.65 Not tainted syzkaller #0 [ 151.831546][ T5232] BUG: KASAN: use-after-free in gfs2_qd_shrink_scan+0x5f7/0x7f0 [ 151.839839][ T5235] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 151.847820][ T5232] Write of size 4 at addr ffff88807e448a70 by task syz.1.63/5232 [ 151.858304][ T5235] Call Trace: [ 151.858317][ T5235] [ 151.868640][ T5232] [ 151.877630][ T5235] dump_stack_lvl+0x188/0x250 [ 151.882663][ T5235] ? show_regs_print_info+0x20/0x20 [ 151.888224][ T5235] ? load_image+0x410/0x410 [ 151.892820][ T5235] sysfs_create_dir_ns+0x26a/0x290 [ 151.898012][ T5235] ? sysfs_warn_dup+0xa0/0xa0 [ 151.902776][ T5235] ? do_raw_spin_unlock+0x11d/0x230 [ 151.908320][ T5235] kobject_add_internal+0x5ba/0xcd0 [ 151.913525][ T5235] kobject_init_and_add+0x128/0x190 [ 151.918899][ T5235] ? lockdep_softirqs_off+0x430/0x430 [ 151.924445][ T5235] ? kobject_add+0x230/0x230 [ 151.929214][ T5235] ? __init_swait_queue_head+0xa4/0x140 [ 151.935139][ T5235] gfs2_sys_fs_add+0x24f/0x4b0 [ 151.940075][ T5235] ? gfs2_recover_set+0x240/0x240 [ 151.945268][ T5235] ? snprintf+0xe5/0x140 [ 151.949589][ T5235] ? __free_pages+0x95/0x1a0 [ 151.955043][ T5235] ? vscnprintf+0x80/0x80 [ 151.960161][ T5235] gfs2_fill_super+0x11ed/0x1ea0 [ 151.966694][ T5235] ? gfs2_reconfigure+0xd80/0xd80 [ 151.972062][ T5235] ? sb_set_blocksize+0xa5/0xe0 [ 151.978305][ T5235] get_tree_bdev+0x3e6/0x610 [ 151.983246][ T5235] ? gfs2_reconfigure+0xd80/0xd80 [ 151.988786][ T5235] gfs2_get_tree+0x4d/0x1e0 [ 151.993548][ T5235] vfs_get_tree+0x88/0x270 [ 151.998306][ T5235] do_new_mount+0x247/0xa40 [ 152.002816][ T5235] __se_sys_mount+0x2e3/0x3d0 [ 152.007581][ T5235] ? __x64_sys_mount+0xc0/0xc0 [ 152.012877][ T5235] ? lockdep_hardirqs_on+0x94/0x140 [ 152.018416][ T5235] ? __x64_sys_mount+0x1c/0xc0 [ 152.023433][ T5235] do_syscall_64+0x4c/0xa0 [ 152.027850][ T5235] ? clear_bhb_loop+0x30/0x80 [ 152.032698][ T5235] ? clear_bhb_loop+0x30/0x80 [ 152.037762][ T5235] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 152.043957][ T5235] RIP: 0033:0x7ff7b82d7a8a [ 152.048692][ T5235] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 152.069761][ T5235] RSP: 002b:00007ff7b7937e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 152.079004][ T5235] RAX: ffffffffffffffda RBX: 00007ff7b7937ee0 RCX: 00007ff7b82d7a8a [ 152.088051][ T5235] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007ff7b7937ea0 [ 152.096560][ T5235] RBP: 00002000000008c0 R08: 00007ff7b7937ee0 R09: 0000000000008c1b [ 152.105573][ T5235] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100 [ 152.115212][ T5235] R13: 00007ff7b7937ea0 R14: 000000000001276f R15: 0000200000000240 [ 152.123830][ T5235] [ 152.127060][ T5232] CPU: 1 PID: 5232 Comm: syz.1.63 Not tainted syzkaller #0 [ 152.135097][ T5232] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 152.146312][ T5232] Call Trace: [ 152.149964][ T5232] [ 152.150968][ T5235] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 152.152901][ T5232] dump_stack_lvl+0x188/0x250 [ 152.152930][ T5232] ? show_regs_print_info+0x20/0x20 [ 152.169027][ T5235] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 152.173526][ T5232] ? _printk+0xda/0x130 [ 152.173565][ T5232] ? load_image+0x410/0x410 [ 152.173579][ T5232] ? _raw_spin_lock_irqsave+0xbc/0x100 [ 152.203276][ T5232] print_address_description+0x60/0x2d0 [ 152.209479][ T5232] ? gfs2_qd_shrink_scan+0x5f7/0x7f0 [ 152.215574][ T5232] kasan_report+0xdf/0x130 [ 152.220218][ T5232] ? gfs2_qd_shrink_scan+0x5f7/0x7f0 [ 152.226072][ T5232] kasan_check_range+0x235/0x290 [ 152.231385][ T5232] gfs2_qd_shrink_scan+0x5f7/0x7f0 [ 152.236993][ T5232] ? gfs2_qd_shrink_count+0x100/0x100 [ 152.243051][ T5232] ? list_lru_count_one+0x27c/0x310 [ 152.248629][ T5232] do_shrink_slab+0x51f/0xd40 [ 152.253534][ T5232] shrink_slab+0x1c5/0x7a0 [ 152.258265][ T5232] ? proc_do_static_key+0x2d0/0x2d0 [ 152.263734][ T5232] ? drop_slab_node+0x180/0x180 [ 152.268702][ T5232] ? mem_cgroup_iter+0x408/0x500 [ 152.274118][ T5232] drop_slab_node+0xf0/0x180 [ 152.278994][ T5232] drop_slab+0x87/0x120 [ 152.283355][ T5232] drop_caches_sysctl_handler+0xbe/0x160 [ 152.289442][ T5232] proc_sys_call_handler+0x458/0x6c0 [ 152.294919][ T5232] ? proc_sys_open+0x260/0x260 [ 152.299806][ T5232] do_iter_readv_writev+0x47d/0x5f0 [ 152.305792][ T5232] ? aa_path_link+0x8a0/0x8a0 [ 152.310884][ T5232] ? generic_file_rw_checks+0x280/0x280 [ 152.316889][ T5232] ? common_file_perm+0x171/0x1c0 [ 152.322465][ T5232] ? fsnotify_perm+0x5d/0x560 [ 152.327610][ T5232] ? security_file_permission+0x75/0xa0 [ 152.334548][ T5232] do_iter_write+0x1f8/0x7a0 [ 152.340031][ T5232] do_writev+0x281/0x480 [ 152.345373][ T5232] ? do_readv+0x460/0x460 [ 152.350770][ T5232] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 152.357585][ T5232] ? lock_chain_count+0x20/0x20 [ 152.363046][ T5232] ? lockdep_hardirqs_on+0x94/0x140 [ 152.369114][ T5232] do_syscall_64+0x4c/0xa0 [ 152.373682][ T5232] ? clear_bhb_loop+0x30/0x80 [ 152.379602][ T5232] ? clear_bhb_loop+0x30/0x80 [ 152.384699][ T5232] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 152.390908][ T5232] RIP: 0033:0x7f9d7b968819 [ 152.395563][ T5232] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 152.415954][ T5232] RSP: 002b:00007f9d7afca028 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 152.424763][ T5232] RAX: ffffffffffffffda RBX: 00007f9d7bbe1fa0 RCX: 00007f9d7b968819 [ 152.433095][ T5232] RDX: 0000000000000001 RSI: 00002000000000c0 RDI: 0000000000000003 [ 152.441430][ T5232] RBP: 00007f9d7b9fec91 R08: 0000000000000000 R09: 0000000000000000 [ 152.449490][ T5232] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 152.457722][ T5232] R13: 00007f9d7bbe2038 R14: 00007f9d7bbe1fa0 R15: 00007ffcc6b9cc28 [ 152.466318][ T5232] [ 152.469700][ T5232] [ 152.472386][ T5232] Allocated by task 5221: [ 152.477291][ T5232] __kasan_kmalloc+0xaf/0xe0 [ 152.482395][ T5232] gfs2_fill_super+0x17c/0x1ea0 [ 152.487543][ T5232] get_tree_bdev+0x3e6/0x610 [ 152.492822][ T5232] gfs2_get_tree+0x4d/0x1e0 [ 152.497459][ T5232] vfs_get_tree+0x88/0x270 [ 152.502529][ T5232] do_new_mount+0x247/0xa40 [ 152.508066][ T5232] __se_sys_mount+0x2e3/0x3d0 [ 152.513254][ T5232] do_syscall_64+0x4c/0xa0 [ 152.517858][ T5232] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 152.524490][ T5232] [ 152.527093][ T5232] Freed by task 4716: [ 152.532334][ T5232] kasan_set_track+0x4b/0x70 [ 152.537269][ T5232] kasan_set_free_info+0x1f/0x40 [ 152.542229][ T5232] ____kasan_slab_free+0xd5/0x110 [ 152.547247][ T5232] slab_free_freelist_hook+0xec/0x170 [ 152.553137][ T5232] kfree+0xef/0x2a0 [ 152.557061][ T5232] generic_shutdown_super+0x130/0x300 [ 152.562904][ T5232] kill_block_super+0x7c/0xe0 [ 152.567920][ T5232] deactivate_locked_super+0x93/0xf0 [ 152.573370][ T5232] cleanup_mnt+0x426/0x4d0 [ 152.577968][ T5232] task_work_run+0x125/0x1a0 [ 152.583514][ T5232] exit_to_user_mode_loop+0x10f/0x130 [ 152.589738][ T5232] exit_to_user_mode_prepare+0xee/0x180 [ 152.597056][ T5232] syscall_exit_to_user_mode+0x16/0x40 [ 152.603317][ T5232] do_syscall_64+0x58/0xa0 [ 152.607850][ T5232] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 152.614673][ T5232] [ 152.617202][ T5232] Last potentially related work creation: [ 152.624229][ T5232] kasan_save_stack+0x35/0x60 [ 152.629311][ T5232] kasan_record_aux_stack+0xb8/0x100 [ 152.635040][ T5232] insert_work+0x54/0x3d0 [ 152.639726][ T5232] __queue_work+0x90b/0xc80 [ 152.644320][ T5232] queue_work_on+0x124/0x1f0 [ 152.649201][ T5232] macvlan_handle_frame+0xde9/0x1110 [ 152.654673][ T5232] __netif_receive_skb_core+0xfd5/0x3670 [ 152.660512][ T5232] __netif_receive_skb+0x74/0x290 [ 152.665675][ T5232] process_backlog+0x366/0x770 [ 152.670519][ T5232] __napi_poll+0xbb/0x430 [ 152.675161][ T5232] net_rx_action+0x522/0xa80 [ 152.679856][ T5232] handle_softirqs+0x336/0x830 [ 152.685218][ T5232] run_ksoftirqd+0xa4/0x100 [ 152.690591][ T5232] smpboot_thread_fn+0x520/0x990 [ 152.695637][ T5232] kthread+0x42e/0x520 [ 152.700720][ T5232] ret_from_fork+0x1f/0x30 [ 152.706006][ T5232] [ 152.708348][ T5232] Second to last potentially related work creation: [ 152.716287][ T5232] kasan_save_stack+0x35/0x60 [ 152.721593][ T5232] kasan_record_aux_stack+0xb8/0x100 [ 152.727195][ T5232] insert_work+0x54/0x3d0 [ 152.731545][ T5232] __queue_work+0x90b/0xc80 [ 152.736891][ T5232] queue_work_on+0x124/0x1f0 [ 152.741577][ T5232] macvlan_handle_frame+0xde9/0x1110 [ 152.747050][ T5232] __netif_receive_skb_core+0xfd5/0x3670 [ 152.753009][ T5232] __netif_receive_skb+0x74/0x290 [ 152.758306][ T5232] process_backlog+0x366/0x770 [ 152.763840][ T5232] __napi_poll+0xbb/0x430 [ 152.768300][ T5232] net_rx_action+0x522/0xa80 [ 152.773353][ T5232] handle_softirqs+0x336/0x830 [ 152.778295][ T5232] do_softirq+0x142/0x210 [ 152.782931][ T5232] __local_bh_enable_ip+0x180/0x1c0 [ 152.788210][ T5232] ip6_finish_output2+0x111c/0x1530 [ 152.793605][ T5232] NF_HOOK+0x163/0x460 [ 152.797946][ T5232] mld_sendpack+0x6ee/0xc40 [ 152.802441][ T5232] mld_dad_work+0x39/0x510 [ 152.806845][ T5232] process_one_work+0x867/0xff0 [ 152.811788][ T5232] worker_thread+0xad7/0x12a0 [ 152.816450][ T5232] kthread+0x42e/0x520 [ 152.820596][ T5232] ret_from_fork+0x1f/0x30 [ 152.825278][ T5232] [ 152.827695][ T5232] The buggy address belongs to the object at ffff88807e448000 [ 152.827695][ T5232] which belongs to the cache kmalloc-8k of size 8192 [ 152.842078][ T5232] The buggy address is located 2672 bytes inside of [ 152.842078][ T5232] 8192-byte region [ffff88807e448000, ffff88807e44a000) [ 152.857139][ T5232] The buggy address belongs to the page: [ 152.863210][ T5232] page:ffffea0001f91200 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x7e448 [ 152.873928][ T5232] head:ffffea0001f91200 order:3 compound_mapcount:0 compound_pincount:0 [ 152.883708][ T5232] flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff) [ 152.892218][ T5232] raw: 00fff00000010200 ffffea0001f53c00 0000000300000003 ffff888016c42280 [ 152.901767][ T5232] raw: 0000000000000000 0000000000020002 00000001ffffffff 0000000000000000 [ 152.910359][ T5232] page dumped because: kasan: bad access detected [ 152.917388][ T5232] page_owner tracks the page as allocated [ 152.923182][ T5232] page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd2040(__GFP_IO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 4015, ts 52830603753, free_ts 52755914677 [ 152.943215][ T5232] get_page_from_freelist+0x24f6/0x2670 [ 152.948937][ T5232] __alloc_pages+0x1ee/0x480 [ 152.953614][ T5232] new_slab+0xc0/0x4b0 [ 152.957878][ T5232] ___slab_alloc+0x807/0xdd0 [ 152.962818][ T5232] kmem_cache_alloc_trace+0xf9/0x290 [ 152.968285][ T5232] tomoyo_init_log+0x1008/0x1e90 [ 152.973491][ T5232] tomoyo_supervisor+0x38d/0x1190 [ 152.978623][ T5232] tomoyo_env_perm+0x14e/0x1f0 [ 152.983930][ T5232] tomoyo_find_next_domain+0x12f6/0x1a50 [ 152.989764][ T5232] tomoyo_bprm_check_security+0xdd/0x120 [ 152.995811][ T5232] security_bprm_check+0x5e/0x90 [ 153.000949][ T5232] bprm_execve+0x9f2/0x1740 [ 153.005721][ T5232] do_execveat_common+0x504/0x6b0 [ 153.011433][ T5232] __x64_sys_execve+0x8e/0xa0 [ 153.016844][ T5232] do_syscall_64+0x4c/0xa0 [ 153.021443][ T5232] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 153.029444][ T5232] page last free stack trace: [ 153.034778][ T5232] free_unref_page_prepare+0x637/0x6c0 [ 153.040593][ T5232] free_unref_page+0x8f/0x2a0 [ 153.045355][ T5232] qlist_free_all+0x35/0x90 [ 153.050213][ T5232] kasan_quarantine_reduce+0x150/0x160 [ 153.056392][ T5232] __kasan_slab_alloc+0x2f/0xc0 [ 153.061639][ T5232] slab_post_alloc_hook+0x4c/0x380 [ 153.066921][ T5232] kmem_cache_alloc+0x15d/0x280 [ 153.072381][ T5232] getname_flags+0xb7/0x4f0 [ 153.077147][ T5232] user_path_at_empty+0x2a/0x190 [ 153.082452][ T5232] vfs_statx+0x107/0x4c0 [ 153.087248][ T5232] __x64_sys_newfstatat+0x15f/0x200 [ 153.093680][ T5232] do_syscall_64+0x4c/0xa0 [ 153.099851][ T5232] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 153.106167][ T5232] [ 153.108486][ T5232] Memory state around the buggy address: [ 153.115184][ T5232] ffff88807e448900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 153.123819][ T5232] ffff88807e448980: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 153.132141][ T5232] >ffff88807e448a00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 153.140647][ T5232] ^ [ 153.148606][ T5232] ffff88807e448a80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 153.156969][ T5232] ffff88807e448b00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 153.165279][ T5232] ================================================================== [ 153.173498][ T5232] Disabling lock debugging due to kernel taint [ 153.200141][ T5232] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 153.208781][ T5232] CPU: 1 PID: 5232 Comm: syz.1.63 Tainted: G B syzkaller #0 [ 153.218010][ T5232] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 153.229153][ T5232] Call Trace: [ 153.232441][ T5232] [ 153.235482][ T5232] dump_stack_lvl+0x188/0x250 [ 153.240176][ T5232] ? show_regs_print_info+0x20/0x20 [ 153.245387][ T5232] ? load_image+0x410/0x410 [ 153.250179][ T5232] panic+0x2f8/0x850 [ 153.254176][ T5232] ? asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 153.260727][ T5232] ? bpf_jit_dump+0xd0/0xd0 [ 153.265251][ T5232] ? _raw_spin_unlock_irqrestore+0x10d/0x120 [ 153.271688][ T5232] ? _raw_spin_unlock+0x40/0x40 [ 153.276945][ T5232] ? gfs2_qd_shrink_scan+0x5f7/0x7f0 [ 153.282430][ T5232] check_panic_on_warn+0x80/0xa0 [ 153.287384][ T5232] ? gfs2_qd_shrink_scan+0x5f7/0x7f0 [ 153.292775][ T5232] end_report+0x6d/0xf0 [ 153.296950][ T5232] kasan_report+0x102/0x130 [ 153.301551][ T5232] ? gfs2_qd_shrink_scan+0x5f7/0x7f0 [ 153.307113][ T5232] kasan_check_range+0x235/0x290 [ 153.312349][ T5232] gfs2_qd_shrink_scan+0x5f7/0x7f0 [ 153.318622][ T5232] ? gfs2_qd_shrink_count+0x100/0x100 [ 153.324829][ T5232] ? list_lru_count_one+0x27c/0x310 [ 153.332002][ T5232] do_shrink_slab+0x51f/0xd40 [ 153.337196][ T5232] shrink_slab+0x1c5/0x7a0 [ 153.342317][ T5232] ? proc_do_static_key+0x2d0/0x2d0 [ 153.347606][ T5232] ? drop_slab_node+0x180/0x180 [ 153.352807][ T5232] ? mem_cgroup_iter+0x408/0x500 [ 153.358120][ T5232] drop_slab_node+0xf0/0x180 [ 153.363091][ T5232] drop_slab+0x87/0x120 [ 153.367871][ T5232] drop_caches_sysctl_handler+0xbe/0x160 [ 153.373956][ T5232] proc_sys_call_handler+0x458/0x6c0 [ 153.379666][ T5232] ? proc_sys_open+0x260/0x260 [ 153.385255][ T5232] do_iter_readv_writev+0x47d/0x5f0 [ 153.390588][ T5232] ? aa_path_link+0x8a0/0x8a0 [ 153.395414][ T5232] ? generic_file_rw_checks+0x280/0x280 [ 153.401390][ T5232] ? common_file_perm+0x171/0x1c0 [ 153.407055][ T5232] ? fsnotify_perm+0x5d/0x560 [ 153.411813][ T5232] ? security_file_permission+0x75/0xa0 [ 153.417773][ T5232] do_iter_write+0x1f8/0x7a0 [ 153.422786][ T5232] do_writev+0x281/0x480 [ 153.427126][ T5232] ? do_readv+0x460/0x460 [ 153.431911][ T5232] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 153.438110][ T5232] ? lock_chain_count+0x20/0x20 [ 153.443097][ T5232] ? lockdep_hardirqs_on+0x94/0x140 [ 153.448401][ T5232] do_syscall_64+0x4c/0xa0 [ 153.452908][ T5232] ? clear_bhb_loop+0x30/0x80 [ 153.457754][ T5232] ? clear_bhb_loop+0x30/0x80 [ 153.462693][ T5232] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 153.468577][ T5232] RIP: 0033:0x7f9d7b968819 [ 153.472989][ T5232] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 153.493363][ T5232] RSP: 002b:00007f9d7afca028 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 153.502290][ T5232] RAX: ffffffffffffffda RBX: 00007f9d7bbe1fa0 RCX: 00007f9d7b968819 [ 153.510344][ T5232] RDX: 0000000000000001 RSI: 00002000000000c0 RDI: 0000000000000003 [ 153.518452][ T5232] RBP: 00007f9d7b9fec91 R08: 0000000000000000 R09: 0000000000000000 [ 153.526520][ T5232] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 153.535407][ T5232] R13: 00007f9d7bbe2038 R14: 00007f9d7bbe1fa0 R15: 00007ffcc6b9cc28 [ 153.543787][ T5232] [ 153.547229][ T5232] Kernel Offset: disabled [ 153.551709][ T5232] Rebooting in 86400 seconds..