Warning: Permanently added '10.128.0.119' (ED25519) to the list of known hosts. 1970/01/01 00:00:59 parsed 1 programs [ 61.246987][ T4708] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 64.476770][ T1649] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.478257][ T1649] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.479762][ T1649] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 64.511285][ T1649] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.512664][ T1649] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.514365][ T560] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 64.659453][ T4770] chnl_net:caif_netlink_parms(): no params data found [ 64.682073][ T4770] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.683248][ T4770] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.684765][ T4770] device bridge_slave_0 entered promiscuous mode [ 64.686771][ T4770] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.687991][ T4770] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.689507][ T4770] device bridge_slave_1 entered promiscuous mode [ 64.697365][ T4770] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.701065][ T4770] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.708678][ T4770] team0: Port device team_slave_0 added [ 64.710453][ T4770] team0: Port device team_slave_1 added [ 64.717262][ T4770] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 64.718375][ T4770] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 64.722016][ T4770] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 64.724250][ T4770] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 64.725322][ T4770] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 64.729424][ T4770] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 64.768305][ T4770] device hsr_slave_0 entered promiscuous mode [ 64.816798][ T4770] device hsr_slave_1 entered promiscuous mode [ 65.437156][ T4770] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 65.467806][ T4770] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 65.507895][ T4770] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 65.540681][ T4770] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 65.592290][ T4770] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.596074][ T560] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.597606][ T560] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.600309][ T4770] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.602729][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.604300][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.605747][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.606915][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.608615][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.612587][ T560] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.614113][ T560] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.615463][ T560] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.616615][ T560] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.621138][ T560] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.625855][ T560] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.631006][ T560] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.632943][ T560] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.640270][ T560] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.641837][ T560] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.643580][ T560] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.645034][ T560] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.646398][ T560] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.649076][ T560] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.650564][ T560] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.653034][ T4770] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.729747][ T1649] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.731133][ T1649] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.734286][ T4770] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.747323][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 65.748845][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 65.750313][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 65.751609][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 65.754287][ T4770] device veth0_vlan entered promiscuous mode [ 65.757659][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 65.765292][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 65.770045][ T4770] device veth1_vlan entered promiscuous mode [ 65.777482][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 65.779461][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 65.781006][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 65.782729][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 65.785162][ T4770] device veth0_macvtap entered promiscuous mode [ 65.791445][ T4770] device veth1_macvtap entered promiscuous mode [ 65.797858][ T4770] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 65.799027][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 65.800358][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 65.801896][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 65.803469][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 65.808305][ T4770] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 65.809670][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 65.811130][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 65.813924][ T4770] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.815300][ T4770] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.818242][ T4770] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.819610][ T4770] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:01:05 executed programs: 0 [ 66.188578][ T4918] chnl_net:caif_netlink_parms(): no params data found [ 66.248401][ T4920] chnl_net:caif_netlink_parms(): no params data found [ 66.270114][ T4922] chnl_net:caif_netlink_parms(): no params data found [ 66.281388][ T4927] chnl_net:caif_netlink_parms(): no params data found [ 66.293388][ T4918] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.294546][ T4918] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.297760][ T4918] device bridge_slave_0 entered promiscuous mode [ 66.313719][ T4918] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.314860][ T4918] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.316461][ T4918] device bridge_slave_1 entered promiscuous mode [ 66.324951][ T4920] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.326065][ T4920] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.328323][ T4920] device bridge_slave_0 entered promiscuous mode [ 66.331421][ T4920] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.332534][ T4920] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.333979][ T4920] device bridge_slave_1 entered promiscuous mode [ 66.354559][ T4922] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.355744][ T4922] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.357981][ T4922] device bridge_slave_0 entered promiscuous mode [ 66.359976][ T4922] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.361219][ T4922] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.362790][ T4922] device bridge_slave_1 entered promiscuous mode [ 66.373291][ T4918] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.383070][ T4927] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.384269][ T4927] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.385687][ T4927] device bridge_slave_0 entered promiscuous mode [ 66.390221][ T4920] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.391652][ T4927] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.392767][ T4927] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.394307][ T4927] device bridge_slave_1 entered promiscuous mode [ 66.397475][ T4918] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.410150][ T4922] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.423405][ T4920] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.444533][ T4922] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.471071][ T4927] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.473651][ T4938] chnl_net:caif_netlink_parms(): no params data found [ 66.488438][ T4920] team0: Port device team_slave_0 added [ 66.490440][ T4920] team0: Port device team_slave_1 added [ 66.492584][ T4918] team0: Port device team_slave_0 added [ 66.499177][ T4927] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.502216][ T4918] team0: Port device team_slave_1 added [ 66.517712][ T4922] team0: Port device team_slave_0 added [ 66.528472][ T4918] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 66.529520][ T4918] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 66.533166][ T4918] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 66.536054][ T4922] team0: Port device team_slave_1 added [ 66.544801][ T4927] team0: Port device team_slave_0 added [ 66.546035][ T4920] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 66.547675][ T4920] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 66.551343][ T4920] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 66.561564][ T4922] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 66.562694][ T4922] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 66.566326][ T4922] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 66.569402][ T4927] team0: Port device team_slave_1 added [ 66.573673][ T4918] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 66.574832][ T4918] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 66.579536][ T4918] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 66.581579][ T4920] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 66.582648][ T4920] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 66.586486][ T4920] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 66.612341][ T4922] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 66.613452][ T4922] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 66.617642][ T4922] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 66.619570][ T4938] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.620563][ T4938] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.622125][ T4938] device bridge_slave_0 entered promiscuous mode [ 66.627750][ T4927] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 66.628856][ T4927] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 66.632627][ T4927] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 66.634388][ T4938] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.635483][ T4938] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.638160][ T4938] device bridge_slave_1 entered promiscuous mode [ 66.677902][ T4920] device hsr_slave_0 entered promiscuous mode [ 66.719285][ T4920] device hsr_slave_1 entered promiscuous mode [ 66.746736][ T4920] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.747903][ T4920] Cannot create hsr debugfs directory [ 66.752541][ T4927] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 66.753619][ T4927] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 66.757528][ T4927] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 66.788148][ T4918] device hsr_slave_0 entered promiscuous mode [ 66.846790][ T4918] device hsr_slave_1 entered promiscuous mode [ 66.886561][ T4918] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.887708][ T4918] Cannot create hsr debugfs directory [ 66.898039][ T4938] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.917596][ T4938] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.977803][ T4927] device hsr_slave_0 entered promiscuous mode [ 67.006954][ T4927] device hsr_slave_1 entered promiscuous mode [ 67.046714][ T4927] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.047928][ T4927] Cannot create hsr debugfs directory [ 67.087773][ T4922] device hsr_slave_0 entered promiscuous mode [ 67.106885][ T4922] device hsr_slave_1 entered promiscuous mode [ 67.146646][ T4922] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.147891][ T4922] Cannot create hsr debugfs directory [ 67.172608][ T4938] team0: Port device team_slave_0 added [ 67.174653][ T4938] team0: Port device team_slave_1 added [ 67.216331][ T4918] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 67.229426][ T4938] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 67.230552][ T4938] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 67.234581][ T4938] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 67.251851][ T4938] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 67.253072][ T4938] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 67.257186][ T4938] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 67.311577][ T4938] device hsr_slave_0 entered promiscuous mode [ 67.356938][ T4938] device hsr_slave_1 entered promiscuous mode [ 67.410195][ T4938] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.411499][ T4938] Cannot create hsr debugfs directory [ 68.007156][ T1541] Bluetooth: hci1: command 0x0409 tx timeout [ 68.086736][ T1541] Bluetooth: hci2: command 0x0409 tx timeout [ 68.087722][ T1541] Bluetooth: hci0: command 0x0409 tx timeout [ 68.166664][ T1541] Bluetooth: hci3: command 0x0409 tx timeout [ 68.166838][ T4102] Bluetooth: hci4: command 0x0409 tx timeout [ 69.618527][ T3337] cfg80211: failed to load regulatory.db [ 69.619965][ T2064] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.620998][ T2064] ieee802154 phy1 wpan1: encryption failed: -22 [ 69.750429][ T4918] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 70.096674][ T4899] Bluetooth: hci1: command 0x041b tx timeout [ 70.166639][ T7] Bluetooth: hci0: command 0x041b tx timeout [ 70.166682][ T4899] Bluetooth: hci2: command 0x041b tx timeout [ 70.246666][ T1541] Bluetooth: hci4: command 0x041b tx timeout [ 70.247730][ T1541] Bluetooth: hci3: command 0x041b tx timeout [ 71.130497][ T4918] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 71.171364][ T4918] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 71.886741][ T4927] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 71.928015][ T4927] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 71.978348][ T4927] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 72.018792][ T4922] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 72.047897][ T4922] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 72.098165][ T4922] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 72.151467][ T4927] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 72.166629][ T13] Bluetooth: hci1: command 0x040f tx timeout [ 72.198619][ T4922] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 72.241144][ T4938] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 72.246740][ T4899] Bluetooth: hci2: command 0x040f tx timeout [ 72.256609][ T13] Bluetooth: hci0: command 0x040f tx timeout [ 72.296828][ T4938] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 72.326634][ T4899] Bluetooth: hci3: command 0x040f tx timeout [ 72.328880][ T4938] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 72.330023][ T4899] Bluetooth: hci4: command 0x040f tx timeout [ 72.357843][ T4938] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 72.464948][ T4918] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 72.501684][ T4918] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 72.528700][ T4918] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 72.567936][ T4918] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 72.599897][ T4920] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 72.660983][ T4920] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 72.691453][ T4927] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.693913][ T4920] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 72.727877][ T4920] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 72.745087][ T4938] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.755089][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.756614][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.769735][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.771170][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.778361][ T4927] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.783631][ T4938] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.792758][ T4922] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.801792][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.803571][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.804921][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.805930][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.814041][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.815762][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.817798][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.818878][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.820175][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.821707][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.830340][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.831862][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.833213][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.834275][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.842452][ T4922] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.855824][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.857475][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.858864][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.859993][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.861255][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.862566][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.863808][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.865251][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.871989][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.873054][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.874442][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.875954][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.880596][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.881687][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.882957][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 72.884539][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 72.886115][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 72.906158][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.911582][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 72.913409][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.914842][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 72.916901][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.918448][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 72.920006][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 72.921455][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 72.937907][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 72.939429][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 72.942202][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 72.943854][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 72.945678][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.947997][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 72.949486][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 72.950869][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 72.964015][ T4920] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.976026][ T4927] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 72.980609][ T4918] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.981884][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 72.983528][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.985019][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 72.987081][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.989173][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 72.990742][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.995689][ T4938] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 73.002046][ T4938] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 73.012439][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.014031][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 73.015507][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.021866][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 73.023347][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.024794][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 73.026390][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.029002][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 73.030409][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.031811][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 73.045455][ T4922] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 73.052868][ T4922] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 73.059172][ T4918] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.062076][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 73.063521][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.075808][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 73.077727][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.081328][ T4920] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.089711][ T5390] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 73.091291][ T5390] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.092907][ T5390] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.093953][ T5390] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.095524][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 73.099830][ T5392] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 73.101371][ T5392] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.105525][ T5392] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.106677][ T5392] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.120461][ T5392] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 73.121982][ T5392] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 73.123498][ T5392] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.124844][ T5392] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.125982][ T5392] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.134645][ T5392] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 73.139919][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.141660][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 73.143285][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.144923][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.153127][ T5390] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 73.154688][ T5390] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.155992][ T5390] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.157146][ T5390] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.179202][ T5390] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 73.195119][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.196903][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 73.198798][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.222213][ T4938] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 73.226379][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 73.232388][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 73.233579][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 73.236327][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.238132][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.254350][ T4927] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 73.260243][ T4918] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 73.261829][ T4918] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 73.265520][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 73.267155][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.268676][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 73.269886][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 73.270975][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 73.272782][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.274272][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 73.275790][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.293503][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 73.301488][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 73.302804][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 73.311853][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 73.313337][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.317910][ T4922] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 73.336372][ T560] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 73.338028][ T560] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.358641][ T560] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 73.360204][ T560] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 73.361681][ T560] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 73.363105][ T560] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 73.378071][ T4920] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 73.390499][ T560] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 73.392180][ T560] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 73.402727][ T5390] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 73.404325][ T5390] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 73.405882][ T5390] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 73.415321][ T5390] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 73.422781][ T4918] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 73.432729][ T4938] device veth0_vlan entered promiscuous mode [ 73.434333][ T5390] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 73.435565][ T5390] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 73.437329][ T5390] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 73.439105][ T5390] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 73.440639][ T5390] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 73.442334][ T5390] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 73.459632][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 73.461179][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 73.462674][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 73.463988][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 73.472682][ T4938] device veth1_vlan entered promiscuous mode [ 73.474066][ T4927] device veth0_vlan entered promiscuous mode [ 73.479435][ T4922] device veth0_vlan entered promiscuous mode [ 73.483223][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 73.484637][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 73.486181][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 73.499674][ T4927] device veth1_vlan entered promiscuous mode [ 73.510940][ T4922] device veth1_vlan entered promiscuous mode [ 73.524334][ T5390] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 73.525873][ T5390] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 73.532358][ T5390] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 73.533802][ T5390] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 73.535253][ T5390] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 73.537395][ T5390] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 73.538891][ T5390] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 73.540595][ T5390] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 73.542166][ T5390] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 73.543504][ T5390] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 73.545676][ T4918] device veth0_vlan entered promiscuous mode [ 73.554518][ T4938] device veth0_macvtap entered promiscuous mode [ 73.563927][ T4918] device veth1_vlan entered promiscuous mode [ 73.566212][ T4938] device veth1_macvtap entered promiscuous mode [ 73.577512][ T560] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 73.579021][ T560] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 73.580480][ T560] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 73.581806][ T560] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 73.583107][ T560] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 73.584468][ T560] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 73.585644][ T560] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 73.592151][ T560] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 73.593792][ T560] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 73.596813][ T4927] device veth0_macvtap entered promiscuous mode [ 73.599967][ T4927] device veth1_macvtap entered promiscuous mode [ 73.612421][ T4920] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 73.614860][ T560] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 73.616475][ T560] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 73.619221][ T560] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 73.620863][ T560] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 73.624926][ T4922] device veth0_macvtap entered promiscuous mode [ 73.634936][ T4938] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 73.640076][ T4938] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 73.643294][ T4938] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 73.648110][ T4927] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 73.649667][ T4927] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 73.651268][ T4927] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 73.652738][ T4927] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 73.655011][ T4927] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 73.659135][ T4922] device veth1_macvtap entered promiscuous mode [ 73.660615][ T560] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 73.662009][ T560] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 73.663426][ T560] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 73.664891][ T560] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 73.666370][ T560] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 73.669590][ T560] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 73.673928][ T4918] device veth0_macvtap entered promiscuous mode [ 73.677200][ T4918] device veth1_macvtap entered promiscuous mode [ 73.681249][ T4927] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 73.682910][ T4927] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 73.685033][ T4927] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 73.693028][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 73.694676][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 73.696163][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 73.698456][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 73.700594][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 73.702136][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 73.711054][ T4938] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 73.712602][ T4938] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 73.714137][ T4938] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 73.715616][ T4938] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 73.722019][ T4938] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 73.724114][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 73.725641][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 73.728500][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 73.730011][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 73.777425][ T4918] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 73.779030][ T4918] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 73.780493][ T4918] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 73.781942][ T4918] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 73.783384][ T4918] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 73.784860][ T4918] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 73.790086][ T4918] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 73.791829][ T4927] netdevsim netdevsim3 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.793045][ T4927] netdevsim netdevsim3 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.794361][ T4927] netdevsim netdevsim3 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.795650][ T4927] netdevsim netdevsim3 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.804070][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 73.805670][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 73.809037][ T4918] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 73.810713][ T4918] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 73.812173][ T4918] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 73.813720][ T4918] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 73.815137][ T4918] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 73.817157][ T4918] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 73.819461][ T4918] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 73.821808][ T4938] netdevsim netdevsim4 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.823158][ T4938] netdevsim netdevsim4 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.824421][ T4938] netdevsim netdevsim4 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.825591][ T4938] netdevsim netdevsim4 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.836479][ T4922] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 73.838480][ T4922] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 73.839988][ T4922] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 73.841455][ T4922] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 73.842868][ T4922] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 73.844370][ T4922] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 73.845747][ T4922] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 73.849338][ T4922] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 73.851579][ T4922] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 73.853118][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 73.854706][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 73.856176][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 73.857946][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 73.859502][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 73.861634][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 73.899076][ T4918] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.900508][ T4918] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.901738][ T4918] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.903001][ T4918] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.914146][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 73.915625][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 73.918722][ T4920] device veth0_vlan entered promiscuous mode [ 73.923633][ T4920] device veth1_vlan entered promiscuous mode [ 73.926137][ T4922] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 73.932180][ T4922] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 73.933637][ T4922] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 73.935155][ T4922] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 73.937861][ T4922] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 73.939413][ T4922] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 73.940823][ T4922] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 73.942259][ T4922] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 73.944869][ T4922] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 73.970388][ T4920] device veth0_macvtap entered promiscuous mode [ 73.978173][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 73.979700][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 73.980966][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 73.982363][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 73.983761][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 73.985132][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 74.028160][ T4922] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.029483][ T4922] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.030754][ T4922] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.031941][ T4922] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.049147][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 74.071513][ T4920] device veth1_macvtap entered promiscuous mode [ 74.109326][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 74.110632][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 74.112295][ T321] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 74.113857][ T321] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 74.126477][ T1649] device hsr_slave_0 left promiscuous mode [ 74.176935][ T1649] device hsr_slave_1 left promiscuous mode [ 74.236724][ T1649] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 74.237955][ T1649] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 74.239926][ T1649] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 74.241022][ T1649] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 74.242509][ T1649] device bridge_slave_1 left promiscuous mode [ 74.243477][ T1649] bridge0: port 2(bridge_slave_1) entered disabled state [ 74.247085][ T4213] Bluetooth: hci1: command 0x0419 tx timeout [ 74.297374][ T1649] device bridge_slave_0 left promiscuous mode [ 74.298432][ T1649] bridge0: port 1(bridge_slave_0) entered disabled state [ 74.326814][ T4213] Bluetooth: hci0: command 0x0419 tx timeout [ 74.327850][ T4213] Bluetooth: hci2: command 0x0419 tx timeout [ 74.396669][ T1649] device veth1_macvtap left promiscuous mode [ 74.397651][ T1649] device veth0_macvtap left promiscuous mode [ 74.398591][ T1649] device veth1_vlan left promiscuous mode [ 74.399502][ T1649] device veth0_vlan left promiscuous mode [ 74.406770][ T4213] Bluetooth: hci4: command 0x0419 tx timeout [ 74.408111][ T4213] Bluetooth: hci3: command 0x0419 tx timeout [ 74.506065][ T1649] team0 (unregistering): Port device team_slave_1 removed [ 74.512435][ T1649] team0 (unregistering): Port device team_slave_0 removed [ 74.516376][ T1649] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 74.540992][ T1649] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 74.620453][ T1649] bond0 (unregistering): Released all slaves [ 74.716028][ T4920] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 74.717702][ T4920] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.719047][ T4920] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 74.720540][ T4920] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.721993][ T4920] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 74.723433][ T4920] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.724857][ T4920] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 74.726304][ T4920] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.736653][ T4920] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 74.738106][ T560] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 74.739368][ T560] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 74.743090][ T4920] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 74.744581][ T4920] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.745982][ T4920] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 74.748055][ T4920] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.749455][ T4920] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 74.751021][ T4920] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.752421][ T4920] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 74.753982][ T4920] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.756175][ T4920] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 74.769399][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 74.770878][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 74.772373][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 74.773842][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 74.775308][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 74.813041][ T4920] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.814559][ T4920] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.815805][ T4920] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.817609][ T4920] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.838221][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 74.839502][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 74.844872][ T560] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 74.855615][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 74.857385][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 74.883511][ T321] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 74.884775][ T321] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 74.886082][ T560] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 74.892674][ T560] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 74.893983][ T560] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 74.895518][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 74.897165][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 1970/01/01 00:01:14 executed programs: 10 [ 74.939762][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 74.941427][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 74.942833][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 75.018997][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 75.020271][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 75.024213][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 75.026294][ T560] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 75.027879][ T560] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 75.029917][ T560] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 75.176163][ T560] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 75.177581][ T560] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 75.185659][ T560] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 75.344535][ T5521] loop3: detected capacity change from 0 to 32768 [ 75.373169][ T5521] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 75.374491][ T5521] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 75.425471][ T5521] gfs2: fsid=syz:syz.s: journal 0 mapped with 1 extents in 0ms [ 75.503129][ T5521] gfs2: fsid=syz:syz.s: first mount done, others may mount [ 75.523093][ T5527] loop4: detected capacity change from 0 to 32768 [ 75.555888][ T5527] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.557016][ T5527] CPU: 0 PID: 5527 Comm: syz.4.19 Not tainted syzkaller #0 [ 75.558057][ T5527] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.559437][ T5527] Call trace: [ 75.559903][ T5527] dump_backtrace+0x0/0x43c [ 75.560555][ T5527] show_stack+0x2c/0x3c [ 75.561170][ T5527] __dump_stack+0x30/0x40 [ 75.561777][ T5527] dump_stack_lvl+0xf8/0x160 [ 75.562465][ T5527] dump_stack+0x1c/0x5c [ 75.563099][ T5527] sysfs_create_dir_ns+0x22c/0x24c [ 75.563823][ T5527] kobject_add_internal+0x590/0xc54 [ 75.564619][ T5527] kobject_init_and_add+0x118/0x17c [ 75.565394][ T5527] gfs2_sys_fs_add+0x1dc/0x3d8 [ 75.566114][ T5527] gfs2_fill_super+0xdac/0x19e0 [ 75.566854][ T5527] get_tree_bdev+0x358/0x544 [ 75.567520][ T5527] gfs2_get_tree+0x54/0x1b4 [ 75.568181][ T5527] vfs_get_tree+0x90/0x274 [ 75.568855][ T5527] do_new_mount+0x228/0x810 [ 75.569481][ T5527] path_mount+0x5b4/0x1000 [ 75.570104][ T5527] __arm64_sys_mount+0x514/0x5e4 [ 75.570841][ T5527] invoke_syscall+0x98/0x2b8 [ 75.571492][ T5527] el0_svc_common+0x138/0x258 [ 75.572182][ T5527] do_el0_svc+0x58/0x14c [ 75.572801][ T5527] el0_svc+0x78/0x1e0 [ 75.573367][ T5527] el0t_64_sync_handler+0xcc/0xe4 [ 75.574076][ T5527] el0t_64_sync+0x1a0/0x1a4 [ 75.600271][ T5531] loop0: detected capacity change from 0 to 32768 [ 75.635373][ T5527] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.641037][ T5527] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.669249][ T5531] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.670419][ T5531] CPU: 0 PID: 5531 Comm: syz.0.15 Not tainted syzkaller #0 [ 75.671451][ T5531] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.672841][ T5531] Call trace: [ 75.673335][ T5531] dump_backtrace+0x0/0x43c [ 75.674024][ T5531] show_stack+0x2c/0x3c [ 75.674620][ T5531] __dump_stack+0x30/0x40 [ 75.675235][ T5531] dump_stack_lvl+0xf8/0x160 [ 75.675868][ T5531] dump_stack+0x1c/0x5c [ 75.676473][ T5531] sysfs_create_dir_ns+0x22c/0x24c [ 75.677217][ T5531] kobject_add_internal+0x590/0xc54 [ 75.677874][ T5536] loop1: detected capacity change from 0 to 32768 [ 75.677977][ T5531] kobject_init_and_add+0x118/0x17c [ 75.679597][ T5531] gfs2_sys_fs_add+0x1dc/0x3d8 [ 75.680267][ T5531] gfs2_fill_super+0xdac/0x19e0 [ 75.680952][ T5531] get_tree_bdev+0x358/0x544 [ 75.681567][ T5531] gfs2_get_tree+0x54/0x1b4 [ 75.682221][ T5531] vfs_get_tree+0x90/0x274 [ 75.682905][ T5531] do_new_mount+0x228/0x810 [ 75.683606][ T5531] path_mount+0x5b4/0x1000 [ 75.684209][ T5531] __arm64_sys_mount+0x514/0x5e4 [ 75.684911][ T5531] invoke_syscall+0x98/0x2b8 [ 75.685610][ T5531] el0_svc_common+0x138/0x258 [ 75.686242][ T5531] do_el0_svc+0x58/0x14c [ 75.686880][ T5531] el0_svc+0x78/0x1e0 [ 75.687434][ T5531] el0t_64_sync_handler+0xcc/0xe4 [ 75.688165][ T5531] el0t_64_sync+0x1a0/0x1a4 [ 75.698304][ T5536] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.699524][ T5536] CPU: 1 PID: 5536 Comm: syz.1.16 Not tainted syzkaller #0 [ 75.700614][ T5536] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.701656][ T5541] loop2: detected capacity change from 0 to 32768 [ 75.702097][ T5536] Call trace: [ 75.702104][ T5536] dump_backtrace+0x0/0x43c [ 75.704232][ T5536] show_stack+0x2c/0x3c [ 75.704827][ T5536] __dump_stack+0x30/0x40 [ 75.705453][ T5536] dump_stack_lvl+0xf8/0x160 [ 75.706100][ T5536] dump_stack+0x1c/0x5c [ 75.706781][ T5536] sysfs_create_dir_ns+0x22c/0x24c [ 75.707565][ T5536] kobject_add_internal+0x590/0xc54 [ 75.708266][ T5536] kobject_init_and_add+0x118/0x17c [ 75.708988][ T5536] gfs2_sys_fs_add+0x1dc/0x3d8 [ 75.709650][ T5536] gfs2_fill_super+0xdac/0x19e0 [ 75.710331][ T5536] get_tree_bdev+0x358/0x544 [ 75.711000][ T5536] gfs2_get_tree+0x54/0x1b4 [ 75.711594][ T5536] vfs_get_tree+0x90/0x274 [ 75.712199][ T5536] do_new_mount+0x228/0x810 [ 75.712836][ T5536] path_mount+0x5b4/0x1000 [ 75.713406][ T5536] __arm64_sys_mount+0x514/0x5e4 [ 75.714172][ T5536] invoke_syscall+0x98/0x2b8 [ 75.714848][ T5536] el0_svc_common+0x138/0x258 [ 75.715518][ T5536] do_el0_svc+0x58/0x14c [ 75.716124][ T5536] el0_svc+0x78/0x1e0 [ 75.716776][ T5536] el0t_64_sync_handler+0xcc/0xe4 [ 75.717398][ T5536] el0t_64_sync+0x1a0/0x1a4 [ 75.734148][ T5531] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.736157][ T5531] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.759734][ T5536] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.764686][ T5536] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.769413][ T5541] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.770562][ T5541] CPU: 0 PID: 5541 Comm: syz.2.17 Not tainted syzkaller #0 [ 75.771600][ T5541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.773015][ T5541] Call trace: [ 75.773439][ T5541] dump_backtrace+0x0/0x43c [ 75.774082][ T5541] show_stack+0x2c/0x3c [ 75.774659][ T5541] __dump_stack+0x30/0x40 [ 75.775341][ T5541] dump_stack_lvl+0xf8/0x160 [ 75.776044][ T5541] dump_stack+0x1c/0x5c [ 75.776676][ T5541] sysfs_create_dir_ns+0x22c/0x24c [ 75.777434][ T5541] kobject_add_internal+0x590/0xc54 [ 75.778195][ T5541] kobject_init_and_add+0x118/0x17c [ 75.778942][ T5541] gfs2_sys_fs_add+0x1dc/0x3d8 [ 75.779628][ T5541] gfs2_fill_super+0xdac/0x19e0 [ 75.780299][ T5541] get_tree_bdev+0x358/0x544 [ 75.781012][ T5541] gfs2_get_tree+0x54/0x1b4 [ 75.781607][ T5541] vfs_get_tree+0x90/0x274 [ 75.782266][ T5541] do_new_mount+0x228/0x810 [ 75.782902][ T5541] path_mount+0x5b4/0x1000 [ 75.783528][ T5541] __arm64_sys_mount+0x514/0x5e4 [ 75.784188][ T5541] invoke_syscall+0x98/0x2b8 [ 75.784900][ T5541] el0_svc_common+0x138/0x258 [ 75.785590][ T5541] do_el0_svc+0x58/0x14c [ 75.786181][ T5541] el0_svc+0x78/0x1e0 [ 75.786820][ T5541] el0t_64_sync_handler+0xcc/0xe4 [ 75.787605][ T5541] el0t_64_sync+0x1a0/0x1a4 [ 75.838033][ T5541] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.850337][ T5541] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.210408][ T5527] loop4: detected capacity change from 0 to 32768 [ 76.264793][ T5527] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 76.266068][ T5527] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 76.287291][ T5527] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms [ 76.289928][ T3337] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 76.290997][ T3337] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 76.340176][ T5531] loop0: detected capacity change from 0 to 32768 [ 76.345555][ T5531] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.350857][ T5531] CPU: 0 PID: 5531 Comm: syz.0.15 Not tainted syzkaller #0 [ 76.351947][ T5531] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.353316][ T5531] Call trace: [ 76.353765][ T5531] dump_backtrace+0x0/0x43c [ 76.354360][ T5531] show_stack+0x2c/0x3c [ 76.354874][ T5531] __dump_stack+0x30/0x40 [ 76.355412][ T5531] dump_stack_lvl+0xf8/0x160 [ 76.356012][ T5531] dump_stack+0x1c/0x5c [ 76.356570][ T5531] sysfs_create_dir_ns+0x22c/0x24c [ 76.357302][ T5531] kobject_add_internal+0x590/0xc54 [ 76.358048][ T5531] kobject_init_and_add+0x118/0x17c [ 76.358780][ T5531] gfs2_sys_fs_add+0x1dc/0x3d8 [ 76.359454][ T5531] gfs2_fill_super+0xdac/0x19e0 [ 76.360114][ T5531] get_tree_bdev+0x358/0x544 [ 76.360762][ T5531] gfs2_get_tree+0x54/0x1b4 [ 76.361379][ T5531] vfs_get_tree+0x90/0x274 [ 76.361992][ T5531] do_new_mount+0x228/0x810 [ 76.362619][ T5531] path_mount+0x5b4/0x1000 [ 76.363293][ T5531] __arm64_sys_mount+0x514/0x5e4 [ 76.364106][ T5531] invoke_syscall+0x98/0x2b8 [ 76.364734][ T5531] el0_svc_common+0x138/0x258 [ 76.365406][ T5531] do_el0_svc+0x58/0x14c [ 76.366009][ T5531] el0_svc+0x78/0x1e0 [ 76.366529][ T5531] el0t_64_sync_handler+0xcc/0xe4 [ 76.367268][ T5531] el0t_64_sync+0x1a0/0x1a4 [ 76.367563][ T3337] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 76ms [ 76.369287][ T3337] gfs2: fsid=syz:syz.0: jid=0: Done [ 76.370395][ T5527] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 76.404778][ T5536] loop1: detected capacity change from 0 to 32768 [ 76.424555][ T5541] loop2: detected capacity change from 0 to 32768 [ 76.437376][ T5531] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.446128][ T5531] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.471712][ T5527] gfs2: fsid=syz:syz.0: can't make FS RW: -5 [ 76.481032][ T149] [ 76.481405][ T149] ====================================================== [ 76.482374][ T149] WARNING: possible circular locking dependency detected [ 76.483338][ T149] syzkaller #0 Not tainted [ 76.484069][ T149] ------------------------------------------------------ [ 76.485070][ T149] kworker/0:1H/149 is trying to acquire lock: [ 76.485872][ T149] ffff0000dcaf60e0 (&type->s_umount_key#50){+.+.}-{3:3}, at: freeze_super+0x54/0x374 [ 76.487278][ T149] [ 76.487278][ T149] but task is already holding lock: [ 76.488396][ T149] ffff80001be17c00 ((work_completion)(&(&gl->gl_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6b8/0x1140 [ 76.490145][ T149] [ 76.490145][ T149] which lock already depends on the new lock. [ 76.490145][ T149] [ 76.491606][ T149] [ 76.491606][ T149] the existing dependency chain (in reverse order) is: [ 76.492914][ T149] [ 76.492914][ T149] -> #2 ((work_completion)(&(&gl->gl_work)->work)){+.+.}-{0:0}: [ 76.494365][ T149] process_one_work+0x6e0/0x1140 [ 76.495200][ T149] worker_thread+0x8f4/0x101c [ 76.496018][ T149] kthread+0x374/0x454 [ 76.496704][ T149] ret_from_fork+0x10/0x20 [ 76.497390][ T149] [ 76.497390][ T149] -> #1 ((wq_completion)glock_workqueue){+.+.}-{0:0}: [ 76.498665][ T149] flush_workqueue+0x11c/0x1024 [ 76.499448][ T149] gfs2_gl_hash_clear+0xb8/0x2cc [ 76.500190][ T149] gfs2_put_super+0x614/0x6bc [ 76.500932][ T149] generic_shutdown_super+0x130/0x2f0 [ 76.501788][ T149] kill_block_super+0x70/0xdc [ 76.502560][ T149] gfs2_kill_sb+0xc0/0xd4 [ 76.503299][ T149] deactivate_locked_super+0xb8/0x13c [ 76.504159][ T149] deactivate_super+0xf8/0x118 [ 76.504998][ T149] cleanup_mnt+0x3a4/0x458 [ 76.505718][ T149] __cleanup_mnt+0x20/0x30 [ 76.506390][ T149] task_work_run+0x12c/0x1e0 [ 76.507109][ T149] do_notify_resume+0x24b4/0x3128 [ 76.507915][ T149] el0_svc+0xf0/0x1e0 [ 76.508578][ T149] el0t_64_sync_handler+0xcc/0xe4 [ 76.509376][ T149] el0t_64_sync+0x1a0/0x1a4 [ 76.510144][ T149] [ 76.510144][ T149] -> #0 (&type->s_umount_key#50){+.+.}-{3:3}: [ 76.511324][ T149] __lock_acquire+0x2928/0x651c [ 76.512095][ T149] lock_acquire+0x1f4/0x620 [ 76.512878][ T149] down_write+0xbc/0x12c [ 76.513575][ T149] freeze_super+0x54/0x374 [ 76.514284][ T149] freeze_go_sync+0x128/0x31c [ 76.515035][ T149] do_xmote+0x2ec/0xf90 [ 76.515771][ T149] run_queue+0x3fc/0x6c0 [ 76.516526][ T149] glock_work_func+0x208/0x458 [ 76.517272][ T149] process_one_work+0x79c/0x1140 [ 76.518048][ T149] worker_thread+0x8f4/0x101c [ 76.518850][ T149] kthread+0x374/0x454 [ 76.519529][ T149] ret_from_fork+0x10/0x20 [ 76.520246][ T149] [ 76.520246][ T149] other info that might help us debug this: [ 76.520246][ T149] [ 76.521734][ T149] Chain exists of: [ 76.521734][ T149] &type->s_umount_key#50 --> (wq_completion)glock_workqueue --> (work_completion)(&(&gl->gl_work)->work) [ 76.521734][ T149] [ 76.524242][ T149] Possible unsafe locking scenario: [ 76.524242][ T149] [ 76.525333][ T149] CPU0 CPU1 [ 76.526071][ T149] ---- ---- [ 76.526812][ T149] lock((work_completion)(&(&gl->gl_work)->work)); [ 76.527757][ T149] lock((wq_completion)glock_workqueue); [ 76.528883][ T149] lock((work_completion)(&(&gl->gl_work)->work)); [ 76.530202][ T149] lock(&type->s_umount_key#50); [ 76.530957][ T149] [ 76.530957][ T149] *** DEADLOCK *** [ 76.530957][ T149] [ 76.532163][ T149] 2 locks held by kworker/0:1H/149: [ 76.532933][ T149] #0: ffff0000c67c3d38 ((wq_completion)glock_workqueue){+.+.}-{0:0}, at: process_one_work+0x678/0x1140 [ 76.534550][ T149] #1: ffff80001be17c00 ((work_completion)(&(&gl->gl_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6b8/0x1140 [ 76.536324][ T149] [ 76.536324][ T149] stack backtrace: [ 76.537177][ T149] CPU: 0 PID: 149 Comm: kworker/0:1H Not tainted syzkaller #0 [ 76.538348][ T149] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.539859][ T149] Workqueue: glock_workqueue glock_work_func [ 76.540715][ T149] Call trace: [ 76.541184][ T149] dump_backtrace+0x0/0x43c [ 76.541864][ T149] show_stack+0x2c/0x3c [ 76.542501][ T149] __dump_stack+0x30/0x40 [ 76.543169][ T149] dump_stack_lvl+0xf8/0x160 [ 76.543806][ T149] dump_stack+0x1c/0x5c [ 76.544398][ T149] print_circular_bug+0x148/0x1b0 [ 76.545083][ T149] check_noncircular+0x240/0x2d4 [ 76.545841][ T149] __lock_acquire+0x2928/0x651c [ 76.546530][ T149] lock_acquire+0x1f4/0x620 [ 76.547220][ T149] down_write+0xbc/0x12c [ 76.547836][ T149] freeze_super+0x54/0x374 [ 76.548499][ T149] freeze_go_sync+0x128/0x31c [ 76.549184][ T149] do_xmote+0x2ec/0xf90 [ 76.549776][ T149] run_queue+0x3fc/0x6c0 [ 76.550377][ T149] glock_work_func+0x208/0x458 [ 76.551024][ T149] process_one_work+0x79c/0x1140 [ 76.551683][ T149] worker_thread+0x8f4/0x101c [ 76.552376][ T149] kthread+0x374/0x454 [ 76.552964][ T149] ret_from_fork+0x10/0x20 [ 76.576715][ T5541] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.577987][ T5541] CPU: 1 PID: 5541 Comm: syz.2.17 Not tainted syzkaller #0 [ 76.579083][ T5541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.580553][ T5541] Call trace: [ 76.581044][ T5541] dump_backtrace+0x0/0x43c [ 76.581675][ T5541] show_stack+0x2c/0x3c [ 76.582286][ T5541] __dump_stack+0x30/0x40 [ 76.582951][ T5541] dump_stack_lvl+0xf8/0x160 [ 76.583656][ T5541] dump_stack+0x1c/0x5c [ 76.584214][ T5541] sysfs_create_dir_ns+0x22c/0x24c [ 76.584924][ T5541] kobject_add_internal+0x590/0xc54 [ 76.585698][ T5541] kobject_init_and_add+0x118/0x17c [ 76.586404][ T5541] gfs2_sys_fs_add+0x1dc/0x3d8 [ 76.587078][ T5541] gfs2_fill_super+0xdac/0x19e0 [ 76.587719][ T5541] get_tree_bdev+0x358/0x544 [ 76.588481][ T5541] gfs2_get_tree+0x54/0x1b4 [ 76.589138][ T5541] vfs_get_tree+0x90/0x274 [ 76.589786][ T5541] do_new_mount+0x228/0x810 [ 76.590455][ T5541] path_mount+0x5b4/0x1000 [ 76.591115][ T5541] __arm64_sys_mount+0x514/0x5e4 [ 76.591793][ T5541] invoke_syscall+0x98/0x2b8 [ 76.592484][ T5541] el0_svc_common+0x138/0x258 [ 76.593194][ T5541] do_el0_svc+0x58/0x14c [ 76.593792][ T5541] el0_svc+0x78/0x1e0 [ 76.594373][ T5541] el0t_64_sync_handler+0xcc/0xe4 [ 76.595131][ T5541] el0t_64_sync+0x1a0/0x1a4 [ 76.653678][ T5541] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.665517][ T5541] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.708174][ T5536] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.709323][ T5536] CPU: 1 PID: 5536 Comm: syz.1.16 Not tainted syzkaller #0 [ 76.710303][ T5536] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.711741][ T5536] Call trace: [ 76.712248][ T5536] dump_backtrace+0x0/0x43c [ 76.712915][ T5536] show_stack+0x2c/0x3c [ 76.713545][ T5536] __dump_stack+0x30/0x40 [ 76.714204][ T5536] dump_stack_lvl+0xf8/0x160 [ 76.714678][ T5575] loop3: detected capacity change from 0 to 32768 [ 76.714905][ T5536] dump_stack+0x1c/0x5c [ 76.716512][ T5536] sysfs_create_dir_ns+0x22c/0x24c [ 76.717221][ T5536] kobject_add_internal+0x590/0xc54 [ 76.718040][ T5536] kobject_init_and_add+0x118/0x17c [ 76.718791][ T5536] gfs2_sys_fs_add+0x1dc/0x3d8 [ 76.719455][ T5536] gfs2_fill_super+0xdac/0x19e0 [ 76.720123][ T5536] get_tree_bdev+0x358/0x544 [ 76.720775][ T5536] gfs2_get_tree+0x54/0x1b4 [ 76.721445][ T5536] vfs_get_tree+0x90/0x274 [ 76.722064][ T5536] do_new_mount+0x228/0x810 [ 76.722732][ T5536] path_mount+0x5b4/0x1000 [ 76.723308][ T5536] __arm64_sys_mount+0x514/0x5e4 [ 76.724101][ T5536] invoke_syscall+0x98/0x2b8 [ 76.724731][ T5536] el0_svc_common+0x138/0x258 [ 76.725460][ T5536] do_el0_svc+0x58/0x14c [ 76.726037][ T5536] el0_svc+0x78/0x1e0 [ 76.726563][ T5536] el0t_64_sync_handler+0xcc/0xe4 [ 76.727239][ T5536] el0t_64_sync+0x1a0/0x1a4 [ 76.733413][ T5536] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.735912][ T5536] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.744366][ T5575] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.745466][ T5575] CPU: 1 PID: 5575 Comm: syz.3.20 Not tainted syzkaller #0 [ 76.746468][ T5575] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.747866][ T5575] Call trace: [ 76.748302][ T5575] dump_backtrace+0x0/0x43c [ 76.748896][ T5575] show_stack+0x2c/0x3c [ 76.749519][ T5575] __dump_stack+0x30/0x40 [ 76.750142][ T5575] dump_stack_lvl+0xf8/0x160 [ 76.750871][ T5575] dump_stack+0x1c/0x5c [ 76.751437][ T5575] sysfs_create_dir_ns+0x22c/0x24c [ 76.752185][ T5575] kobject_add_internal+0x590/0xc54 [ 76.752980][ T5575] kobject_init_and_add+0x118/0x17c [ 76.753751][ T5575] gfs2_sys_fs_add+0x1dc/0x3d8 [ 76.754483][ T5575] gfs2_fill_super+0xdac/0x19e0 [ 76.755204][ T5575] get_tree_bdev+0x358/0x544 [ 76.755808][ T5575] gfs2_get_tree+0x54/0x1b4 [ 76.756471][ T5575] vfs_get_tree+0x90/0x274 [ 76.757122][ T5575] do_new_mount+0x228/0x810 [ 76.757824][ T5575] path_mount+0x5b4/0x1000 [ 76.758427][ T5575] __arm64_sys_mount+0x514/0x5e4 [ 76.759134][ T5575] invoke_syscall+0x98/0x2b8 [ 76.759751][ T5575] el0_svc_common+0x138/0x258 [ 76.760455][ T5575] do_el0_svc+0x58/0x14c [ 76.761067][ T5575] el0_svc+0x78/0x1e0 [ 76.761597][ T5575] el0t_64_sync_handler+0xcc/0xe4 [ 76.762320][ T5575] el0t_64_sync+0x1a0/0x1a4 [ 76.802944][ T5575] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.804935][ T5575] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.013345][ T5575] loop3: detected capacity change from 0 to 32768 [ 77.050060][ T5575] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.051106][ T5575] CPU: 0 PID: 5575 Comm: syz.3.20 Not tainted syzkaller #0 [ 77.052121][ T5575] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.053568][ T5575] Call trace: [ 77.054071][ T5575] dump_backtrace+0x0/0x43c [ 77.054733][ T5575] show_stack+0x2c/0x3c [ 77.055318][ T5575] __dump_stack+0x30/0x40 [ 77.055922][ T5575] dump_stack_lvl+0xf8/0x160 [ 77.056583][ T5575] dump_stack+0x1c/0x5c [ 77.057194][ T5575] sysfs_create_dir_ns+0x22c/0x24c [ 77.057921][ T5575] kobject_add_internal+0x590/0xc54 [ 77.058685][ T5575] kobject_init_and_add+0x118/0x17c [ 77.059378][ T5575] gfs2_sys_fs_add+0x1dc/0x3d8 [ 77.060162][ T5575] gfs2_fill_super+0xdac/0x19e0 [ 77.060882][ T5575] get_tree_bdev+0x358/0x544 [ 77.061572][ T5575] gfs2_get_tree+0x54/0x1b4 [ 77.062252][ T5575] vfs_get_tree+0x90/0x274 [ 77.062922][ T5575] do_new_mount+0x228/0x810 [ 77.063632][ T5575] path_mount+0x5b4/0x1000 [ 77.064264][ T5575] __arm64_sys_mount+0x514/0x5e4 [ 77.064960][ T5575] invoke_syscall+0x98/0x2b8 [ 77.065595][ T5575] el0_svc_common+0x138/0x258 [ 77.066250][ T5575] do_el0_svc+0x58/0x14c [ 77.066827][ T5575] el0_svc+0x78/0x1e0 [ 77.067404][ T5575] el0t_64_sync_handler+0xcc/0xe4 [ 77.068148][ T5575] el0t_64_sync+0x1a0/0x1a4 [ 77.099562][ T5575] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.101557][ T5575] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.140202][ T5584] loop0: detected capacity change from 0 to 32768 [ 77.148944][ T5608] loop2: detected capacity change from 0 to 32768 [ 77.162491][ T5605] loop1: detected capacity change from 0 to 32768 [ 77.167357][ T5584] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.168470][ T5584] CPU: 1 PID: 5584 Comm: syz.0.21 Not tainted syzkaller #0 [ 77.169441][ T5584] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.170837][ T5584] Call trace: [ 77.171296][ T5584] dump_backtrace+0x0/0x43c [ 77.171951][ T5584] show_stack+0x2c/0x3c [ 77.172534][ T5584] __dump_stack+0x30/0x40 [ 77.173162][ T5584] dump_stack_lvl+0xf8/0x160 [ 77.173803][ T5584] dump_stack+0x1c/0x5c [ 77.174533][ T5584] sysfs_create_dir_ns+0x22c/0x24c [ 77.175307][ T5584] kobject_add_internal+0x590/0xc54 [ 77.176087][ T5584] kobject_init_and_add+0x118/0x17c [ 77.176792][ T5584] gfs2_sys_fs_add+0x1dc/0x3d8 [ 77.177503][ T5584] gfs2_fill_super+0xdac/0x19e0 [ 77.178290][ T5584] get_tree_bdev+0x358/0x544 [ 77.178986][ T5584] gfs2_get_tree+0x54/0x1b4 [ 77.179675][ T5584] vfs_get_tree+0x90/0x274 [ 77.180328][ T5584] do_new_mount+0x228/0x810 [ 77.181006][ T5584] path_mount+0x5b4/0x1000 [ 77.181698][ T5584] __arm64_sys_mount+0x514/0x5e4 [ 77.182435][ T5584] invoke_syscall+0x98/0x2b8 [ 77.183186][ T5584] el0_svc_common+0x138/0x258 [ 77.183841][ T5584] do_el0_svc+0x58/0x14c [ 77.184472][ T5584] el0_svc+0x78/0x1e0 [ 77.185011][ T5584] el0t_64_sync_handler+0xcc/0xe4 [ 77.185704][ T5584] el0t_64_sync+0x1a0/0x1a4 [ 77.188840][ T5608] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.189957][ T5608] CPU: 0 PID: 5608 Comm: syz.2.23 Not tainted syzkaller #0 [ 77.190993][ T5608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.192440][ T5608] Call trace: [ 77.192884][ T5608] dump_backtrace+0x0/0x43c [ 77.193577][ T5608] show_stack+0x2c/0x3c [ 77.194208][ T5608] __dump_stack+0x30/0x40 [ 77.194799][ T5608] dump_stack_lvl+0xf8/0x160 [ 77.195443][ T5608] dump_stack+0x1c/0x5c [ 77.196038][ T5608] sysfs_create_dir_ns+0x22c/0x24c [ 77.196784][ T5608] kobject_add_internal+0x590/0xc54 [ 77.197532][ T5608] kobject_init_and_add+0x118/0x17c [ 77.198255][ T5608] gfs2_sys_fs_add+0x1dc/0x3d8 [ 77.198869][ T5608] gfs2_fill_super+0xdac/0x19e0 [ 77.199547][ T5608] get_tree_bdev+0x358/0x544 [ 77.200251][ T5608] gfs2_get_tree+0x54/0x1b4 [ 77.200910][ T5608] vfs_get_tree+0x90/0x274 [ 77.201566][ T5608] do_new_mount+0x228/0x810 [ 77.202206][ T5608] path_mount+0x5b4/0x1000 [ 77.202837][ T5584] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.202859][ T5608] __arm64_sys_mount+0x514/0x5e4 [ 77.204769][ T5584] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.205428][ T5608] invoke_syscall+0x98/0x2b8 [ 77.207082][ T5608] el0_svc_common+0x138/0x258 [ 77.207870][ T5608] do_el0_svc+0x58/0x14c [ 77.208491][ T5608] el0_svc+0x78/0x1e0 [ 77.209082][ T5608] el0t_64_sync_handler+0xcc/0xe4 [ 77.209798][ T5608] el0t_64_sync+0x1a0/0x1a4 [ 77.212994][ T5605] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.214247][ T5605] CPU: 1 PID: 5605 Comm: syz.1.22 Not tainted syzkaller #0 [ 77.215270][ T5605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.216608][ T5605] Call trace: [ 77.217083][ T5605] dump_backtrace+0x0/0x43c [ 77.217744][ T5605] show_stack+0x2c/0x3c [ 77.218327][ T5605] __dump_stack+0x30/0x40 [ 77.219032][ T5605] dump_stack_lvl+0xf8/0x160 [ 77.219704][ T5605] dump_stack+0x1c/0x5c [ 77.220301][ T5605] sysfs_create_dir_ns+0x22c/0x24c [ 77.220970][ T5605] kobject_add_internal+0x590/0xc54 [ 77.221707][ T5605] kobject_init_and_add+0x118/0x17c [ 77.222462][ T5605] gfs2_sys_fs_add+0x1dc/0x3d8 [ 77.223128][ T5605] gfs2_fill_super+0xdac/0x19e0 [ 77.223840][ T5605] get_tree_bdev+0x358/0x544 [ 77.224483][ T5605] gfs2_get_tree+0x54/0x1b4 [ 77.225158][ T5605] vfs_get_tree+0x90/0x274 [ 77.225832][ T5605] do_new_mount+0x228/0x810 [ 77.226448][ T5605] path_mount+0x5b4/0x1000 [ 77.227092][ T5605] __arm64_sys_mount+0x514/0x5e4 [ 77.227750][ T5605] invoke_syscall+0x98/0x2b8 [ 77.228411][ T5605] el0_svc_common+0x138/0x258 [ 77.229083][ T5605] do_el0_svc+0x58/0x14c [ 77.229739][ T5605] el0_svc+0x78/0x1e0 [ 77.230337][ T5605] el0t_64_sync_handler+0xcc/0xe4 [ 77.231073][ T5605] el0t_64_sync+0x1a0/0x1a4 [ 77.263148][ T5608] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.265014][ T5608] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.266732][ T5605] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.268720][ T5605] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.332067][ T5613] loop3: detected capacity change from 0 to 32768 [ 77.407227][ T5613] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.408439][ T5613] CPU: 0 PID: 5613 Comm: syz.3.24 Not tainted syzkaller #0 [ 77.409471][ T5613] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.410878][ T5613] Call trace: [ 77.411342][ T5613] dump_backtrace+0x0/0x43c [ 77.411937][ T5613] show_stack+0x2c/0x3c [ 77.412562][ T5613] __dump_stack+0x30/0x40 [ 77.413160][ T5613] dump_stack_lvl+0xf8/0x160 [ 77.413807][ T5613] dump_stack+0x1c/0x5c [ 77.414424][ T5613] sysfs_create_dir_ns+0x22c/0x24c [ 77.415161][ T5613] kobject_add_internal+0x590/0xc54 [ 77.415895][ T5613] kobject_init_and_add+0x118/0x17c [ 77.416661][ T5613] gfs2_sys_fs_add+0x1dc/0x3d8 [ 77.417358][ T5613] gfs2_fill_super+0xdac/0x19e0 [ 77.418115][ T5613] get_tree_bdev+0x358/0x544 [ 77.418795][ T5613] gfs2_get_tree+0x54/0x1b4 [ 77.419452][ T5613] vfs_get_tree+0x90/0x274 [ 77.420087][ T5613] do_new_mount+0x228/0x810 [ 77.420767][ T5613] path_mount+0x5b4/0x1000 [ 77.421352][ T5613] __arm64_sys_mount+0x514/0x5e4 [ 77.422016][ T5613] invoke_syscall+0x98/0x2b8 [ 77.422663][ T5613] el0_svc_common+0x138/0x258 [ 77.423288][ T5613] do_el0_svc+0x58/0x14c [ 77.423916][ T5613] el0_svc+0x78/0x1e0 [ 77.424479][ T5613] el0t_64_sync_handler+0xcc/0xe4 [ 77.425184][ T5613] el0t_64_sync+0x1a0/0x1a4 [ 77.454012][ T5613] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.457773][ T5613] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.471666][ T5615] loop0: detected capacity change from 0 to 32768 [ 77.478586][ T5608] loop2: detected capacity change from 0 to 32768 [ 77.487326][ T5608] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.487877][ T5605] loop1: detected capacity change from 0 to 32768 [ 77.488412][ T5608] CPU: 0 PID: 5608 Comm: syz.2.23 Not tainted syzkaller #0 [ 77.490334][ T5608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.491809][ T5608] Call trace: [ 77.492264][ T5608] dump_backtrace+0x0/0x43c [ 77.492888][ T5608] show_stack+0x2c/0x3c [ 77.493476][ T5608] __dump_stack+0x30/0x40 [ 77.494080][ T5608] dump_stack_lvl+0xf8/0x160 [ 77.494785][ T5608] dump_stack+0x1c/0x5c [ 77.495388][ T5608] sysfs_create_dir_ns+0x22c/0x24c [ 77.496165][ T5608] kobject_add_internal+0x590/0xc54 [ 77.496901][ T5608] kobject_init_and_add+0x118/0x17c [ 77.497647][ T5608] gfs2_sys_fs_add+0x1dc/0x3d8 [ 77.498311][ T5608] gfs2_fill_super+0xdac/0x19e0 [ 77.499013][ T5608] get_tree_bdev+0x358/0x544 [ 77.499706][ T5608] gfs2_get_tree+0x54/0x1b4 [ 77.500394][ T5608] vfs_get_tree+0x90/0x274 [ 77.501067][ T5608] do_new_mount+0x228/0x810 [ 77.501740][ T5608] path_mount+0x5b4/0x1000 [ 77.502405][ T5608] __arm64_sys_mount+0x514/0x5e4 [ 77.503139][ T5608] invoke_syscall+0x98/0x2b8 [ 77.503833][ T5608] el0_svc_common+0x138/0x258 [ 77.504468][ T5608] do_el0_svc+0x58/0x14c [ 77.505096][ T5608] el0_svc+0x78/0x1e0 [ 77.505624][ T5608] el0t_64_sync_handler+0xcc/0xe4 [ 77.506307][ T5608] el0t_64_sync+0x1a0/0x1a4 [ 77.520460][ T5608] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.522536][ T5608] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.537803][ T5615] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.538975][ T5615] CPU: 1 PID: 5615 Comm: syz.0.25 Not tainted syzkaller #0 [ 77.540097][ T5615] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.541594][ T5615] Call trace: [ 77.542098][ T5615] dump_backtrace+0x0/0x43c [ 77.542712][ T5615] show_stack+0x2c/0x3c [ 77.543250][ T5615] __dump_stack+0x30/0x40 [ 77.543895][ T5615] dump_stack_lvl+0xf8/0x160 [ 77.544587][ T5615] dump_stack+0x1c/0x5c [ 77.545174][ T5615] sysfs_create_dir_ns+0x22c/0x24c [ 77.545952][ T5615] kobject_add_internal+0x590/0xc54 [ 77.546721][ T5615] kobject_init_and_add+0x118/0x17c [ 77.547481][ T5615] gfs2_sys_fs_add+0x1dc/0x3d8 [ 77.548131][ T5615] gfs2_fill_super+0xdac/0x19e0 [ 77.548780][ T5615] get_tree_bdev+0x358/0x544 [ 77.549486][ T5615] gfs2_get_tree+0x54/0x1b4 [ 77.550120][ T5615] vfs_get_tree+0x90/0x274 [ 77.550810][ T5615] do_new_mount+0x228/0x810 [ 77.551441][ T5615] path_mount+0x5b4/0x1000 [ 77.552086][ T5615] __arm64_sys_mount+0x514/0x5e4 [ 77.552836][ T5615] invoke_syscall+0x98/0x2b8 [ 77.553497][ T5615] el0_svc_common+0x138/0x258 [ 77.554146][ T5615] do_el0_svc+0x58/0x14c [ 77.554772][ T5615] el0_svc+0x78/0x1e0 [ 77.555372][ T5615] el0t_64_sync_handler+0xcc/0xe4 [ 77.556276][ T5615] el0t_64_sync+0x1a0/0x1a4 [ 77.557273][ T5605] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.558378][ T5605] CPU: 1 PID: 5605 Comm: syz.1.22 Not tainted syzkaller #0 [ 77.559377][ T5605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.560752][ T5605] Call trace: [ 77.561195][ T5605] dump_backtrace+0x0/0x43c [ 77.561859][ T5605] show_stack+0x2c/0x3c [ 77.562482][ T5605] __dump_stack+0x30/0x40 [ 77.563142][ T5605] dump_stack_lvl+0xf8/0x160 [ 77.563815][ T5605] dump_stack+0x1c/0x5c [ 77.564425][ T5605] sysfs_create_dir_ns+0x22c/0x24c [ 77.565129][ T5605] kobject_add_internal+0x590/0xc54 [ 77.565879][ T5605] kobject_init_and_add+0x118/0x17c [ 77.566590][ T5605] gfs2_sys_fs_add+0x1dc/0x3d8 [ 77.567285][ T5605] gfs2_fill_super+0xdac/0x19e0 [ 77.568020][ T5605] get_tree_bdev+0x358/0x544 [ 77.568706][ T5605] gfs2_get_tree+0x54/0x1b4 [ 77.569385][ T5605] vfs_get_tree+0x90/0x274 [ 77.570109][ T5605] do_new_mount+0x228/0x810 [ 77.570757][ T5605] path_mount+0x5b4/0x1000 [ 77.571399][ T5605] __arm64_sys_mount+0x514/0x5e4 [ 77.572135][ T5605] invoke_syscall+0x98/0x2b8 [ 77.572780][ T5605] el0_svc_common+0x138/0x258 [ 77.573501][ T5605] do_el0_svc+0x58/0x14c [ 77.574206][ T5605] el0_svc+0x78/0x1e0 [ 77.574839][ T5605] el0t_64_sync_handler+0xcc/0xe4 [ 77.575630][ T5605] el0t_64_sync+0x1a0/0x1a4 [ 77.596800][ T5605] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.598869][ T5615] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.600754][ T5615] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.606645][ T5605] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.626697][ T5613] loop3: detected capacity change from 0 to 32768 [ 77.628359][ T5613] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.629654][ T5613] CPU: 0 PID: 5613 Comm: syz.3.24 Not tainted syzkaller #0 [ 77.630705][ T5613] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.632086][ T5613] Call trace: [ 77.632542][ T5613] dump_backtrace+0x0/0x43c [ 77.633192][ T5613] show_stack+0x2c/0x3c [ 77.633788][ T5613] __dump_stack+0x30/0x40 [ 77.634379][ T5613] dump_stack_lvl+0xf8/0x160 [ 77.635007][ T5613] dump_stack+0x1c/0x5c [ 77.635650][ T5613] sysfs_create_dir_ns+0x22c/0x24c [ 77.636410][ T5613] kobject_add_internal+0x590/0xc54 [ 77.637197][ T5613] kobject_init_and_add+0x118/0x17c [ 77.637978][ T5613] gfs2_sys_fs_add+0x1dc/0x3d8 [ 77.638698][ T5613] gfs2_fill_super+0xdac/0x19e0 [ 77.639414][ T5613] get_tree_bdev+0x358/0x544 [ 77.640070][ T5613] gfs2_get_tree+0x54/0x1b4 [ 77.640758][ T5613] vfs_get_tree+0x90/0x274 [ 77.641442][ T5613] do_new_mount+0x228/0x810 [ 77.642104][ T5613] path_mount+0x5b4/0x1000 [ 77.642770][ T5613] __arm64_sys_mount+0x514/0x5e4 [ 77.643475][ T5613] invoke_syscall+0x98/0x2b8 [ 77.644128][ T5613] el0_svc_common+0x138/0x258 [ 77.644933][ T5613] do_el0_svc+0x58/0x14c [ 77.645577][ T5613] el0_svc+0x78/0x1e0 [ 77.646142][ T5613] el0t_64_sync_handler+0xcc/0xe4 [ 77.646934][ T5613] el0t_64_sync+0x1a0/0x1a4 [ 77.684931][ T5613] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.698443][ T5613] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.817880][ T5615] loop0: detected capacity change from 0 to 32768 [ 77.870677][ T5617] loop1: detected capacity change from 0 to 32768 [ 77.871876][ T5615] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.872979][ T5615] CPU: 1 PID: 5615 Comm: syz.0.25 Not tainted syzkaller #0 [ 77.874059][ T5615] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.875494][ T5615] Call trace: [ 77.875951][ T5615] dump_backtrace+0x0/0x43c [ 77.876656][ T5615] show_stack+0x2c/0x3c [ 77.877376][ T5615] __dump_stack+0x30/0x40 [ 77.878097][ T5615] dump_stack_lvl+0xf8/0x160 [ 77.878829][ T5615] dump_stack+0x1c/0x5c [ 77.879483][ T5615] sysfs_create_dir_ns+0x22c/0x24c [ 77.880300][ T5615] kobject_add_internal+0x590/0xc54 [ 77.881058][ T5615] kobject_init_and_add+0x118/0x17c [ 77.881766][ T5615] gfs2_sys_fs_add+0x1dc/0x3d8 [ 77.882442][ T5615] gfs2_fill_super+0xdac/0x19e0 [ 77.883166][ T5615] get_tree_bdev+0x358/0x544 [ 77.883823][ T5615] gfs2_get_tree+0x54/0x1b4 [ 77.884474][ T5615] vfs_get_tree+0x90/0x274 [ 77.885123][ T5615] do_new_mount+0x228/0x810 [ 77.885844][ T5615] path_mount+0x5b4/0x1000 [ 77.886501][ T5615] __arm64_sys_mount+0x514/0x5e4 [ 77.887220][ T5615] invoke_syscall+0x98/0x2b8 [ 77.887864][ T5615] el0_svc_common+0x138/0x258 [ 77.888504][ T5615] do_el0_svc+0x58/0x14c [ 77.889078][ T5615] el0_svc+0x78/0x1e0 [ 77.889652][ T5615] el0t_64_sync_handler+0xcc/0xe4 [ 77.890366][ T5615] el0t_64_sync+0x1a0/0x1a4 [ 77.892891][ T5619] loop2: detected capacity change from 0 to 32768 [ 77.898022][ T5615] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.900015][ T5615] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.927741][ T5617] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.927770][ T5619] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.928865][ T5617] CPU: 0 PID: 5617 Comm: syz.1.26 Not tainted syzkaller #0 [ 77.930996][ T5617] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.932394][ T5617] Call trace: [ 77.932856][ T5617] dump_backtrace+0x0/0x43c [ 77.933511][ T5617] show_stack+0x2c/0x3c [ 77.934064][ T5617] __dump_stack+0x30/0x40 [ 77.934687][ T5617] dump_stack_lvl+0xf8/0x160 [ 77.935379][ T5617] dump_stack+0x1c/0x5c [ 77.935946][ T5617] sysfs_create_dir_ns+0x22c/0x24c [ 77.936676][ T5617] kobject_add_internal+0x590/0xc54 [ 77.937407][ T5617] kobject_init_and_add+0x118/0x17c [ 77.938160][ T5617] gfs2_sys_fs_add+0x1dc/0x3d8 [ 77.938795][ T5617] gfs2_fill_super+0xdac/0x19e0 [ 77.939517][ T5617] get_tree_bdev+0x358/0x544 [ 77.940186][ T5617] gfs2_get_tree+0x54/0x1b4 [ 77.940827][ T5617] vfs_get_tree+0x90/0x274 [ 77.941441][ T5617] do_new_mount+0x228/0x810 [ 77.942080][ T5617] path_mount+0x5b4/0x1000 [ 77.942658][ T5617] __arm64_sys_mount+0x514/0x5e4 [ 77.943326][ T5617] invoke_syscall+0x98/0x2b8 [ 77.943977][ T5617] el0_svc_common+0x138/0x258 [ 77.944634][ T5617] do_el0_svc+0x58/0x14c [ 77.945244][ T5617] el0_svc+0x78/0x1e0 [ 77.945858][ T5617] el0t_64_sync_handler+0xcc/0xe4 [ 77.946606][ T5617] el0t_64_sync+0x1a0/0x1a4 [ 77.951982][ T5619] CPU: 1 PID: 5619 Comm: syz.2.27 Not tainted syzkaller #0 [ 77.952999][ T5619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.954451][ T5619] Call trace: [ 77.954871][ T5619] dump_backtrace+0x0/0x43c [ 77.955523][ T5619] show_stack+0x2c/0x3c [ 77.956066][ T5619] __dump_stack+0x30/0x40 [ 77.956685][ T5619] dump_stack_lvl+0xf8/0x160 [ 77.957352][ T5619] dump_stack+0x1c/0x5c [ 77.957946][ T5619] sysfs_create_dir_ns+0x22c/0x24c [ 77.958695][ T5619] kobject_add_internal+0x590/0xc54 [ 77.959415][ T5619] kobject_init_and_add+0x118/0x17c [ 77.960106][ T5619] gfs2_sys_fs_add+0x1dc/0x3d8 [ 77.960804][ T5619] gfs2_fill_super+0xdac/0x19e0 [ 77.961468][ T5619] get_tree_bdev+0x358/0x544 [ 77.962076][ T5619] gfs2_get_tree+0x54/0x1b4 [ 77.962717][ T5619] vfs_get_tree+0x90/0x274 [ 77.963358][ T5619] do_new_mount+0x228/0x810 [ 77.964005][ T5619] path_mount+0x5b4/0x1000 [ 77.964626][ T5619] __arm64_sys_mount+0x514/0x5e4 [ 77.965309][ T5619] invoke_syscall+0x98/0x2b8 [ 77.965948][ T5619] el0_svc_common+0x138/0x258 [ 77.966661][ T5619] do_el0_svc+0x58/0x14c [ 77.967323][ T5619] el0_svc+0x78/0x1e0 [ 77.967728][ T5621] loop3: detected capacity change from 0 to 32768 [ 77.967918][ T5619] el0t_64_sync_handler+0xcc/0xe4 [ 77.969597][ T5619] el0t_64_sync+0x1a0/0x1a4 [ 77.970233][ T5617] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.972230][ T5617] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.996801][ T5619] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.999003][ T5619] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.028958][ T5621] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.030107][ T5621] CPU: 0 PID: 5621 Comm: syz.3.28 Not tainted syzkaller #0 [ 78.031094][ T5621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.032488][ T5621] Call trace: [ 78.032918][ T5621] dump_backtrace+0x0/0x43c [ 78.033539][ T5621] show_stack+0x2c/0x3c [ 78.034107][ T5621] __dump_stack+0x30/0x40 [ 78.034779][ T5621] dump_stack_lvl+0xf8/0x160 [ 78.035523][ T5621] dump_stack+0x1c/0x5c [ 78.036122][ T5621] sysfs_create_dir_ns+0x22c/0x24c [ 78.036833][ T5621] kobject_add_internal+0x590/0xc54 [ 78.037593][ T5621] kobject_init_and_add+0x118/0x17c [ 78.038373][ T5621] gfs2_sys_fs_add+0x1dc/0x3d8 [ 78.039161][ T5621] gfs2_fill_super+0xdac/0x19e0 [ 78.039923][ T5621] get_tree_bdev+0x358/0x544 [ 78.040664][ T5621] gfs2_get_tree+0x54/0x1b4 [ 78.041306][ T5621] vfs_get_tree+0x90/0x274 [ 78.041970][ T5621] do_new_mount+0x228/0x810 [ 78.042623][ T5621] path_mount+0x5b4/0x1000 [ 78.043316][ T5621] __arm64_sys_mount+0x514/0x5e4 [ 78.044039][ T5621] invoke_syscall+0x98/0x2b8 [ 78.044714][ T5621] el0_svc_common+0x138/0x258 [ 78.045425][ T5621] do_el0_svc+0x58/0x14c [ 78.046052][ T5621] el0_svc+0x78/0x1e0 [ 78.046637][ T5621] el0t_64_sync_handler+0xcc/0xe4 [ 78.047291][ T5621] el0t_64_sync+0x1a0/0x1a4 [ 78.088809][ T5621] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.090696][ T5621] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.120772][ T5623] loop0: detected capacity change from 0 to 32768 [ 78.127178][ T5623] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.129476][ T5623] CPU: 1 PID: 5623 Comm: syz.0.29 Not tainted syzkaller #0 [ 78.130600][ T5623] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.132145][ T5623] Call trace: [ 78.132589][ T5623] dump_backtrace+0x0/0x43c [ 78.133203][ T5623] show_stack+0x2c/0x3c [ 78.133774][ T5623] __dump_stack+0x30/0x40 [ 78.134410][ T5623] dump_stack_lvl+0xf8/0x160 [ 78.135034][ T5623] dump_stack+0x1c/0x5c [ 78.135581][ T5623] sysfs_create_dir_ns+0x22c/0x24c [ 78.136328][ T5623] kobject_add_internal+0x590/0xc54 [ 78.137077][ T5623] kobject_init_and_add+0x118/0x17c [ 78.137807][ T5623] gfs2_sys_fs_add+0x1dc/0x3d8 [ 78.138482][ T5623] gfs2_fill_super+0xdac/0x19e0 [ 78.139133][ T5623] get_tree_bdev+0x358/0x544 [ 78.139778][ T5623] gfs2_get_tree+0x54/0x1b4 [ 78.140389][ T5623] vfs_get_tree+0x90/0x274 [ 78.141033][ T5623] do_new_mount+0x228/0x810 [ 78.141685][ T5623] path_mount+0x5b4/0x1000 [ 78.142286][ T5623] __arm64_sys_mount+0x514/0x5e4 [ 78.142951][ T5623] invoke_syscall+0x98/0x2b8 [ 78.143579][ T5623] el0_svc_common+0x138/0x258 [ 78.144222][ T5623] do_el0_svc+0x58/0x14c [ 78.144797][ T5623] el0_svc+0x78/0x1e0 [ 78.145346][ T5623] el0t_64_sync_handler+0xcc/0xe4 [ 78.146026][ T5623] el0t_64_sync+0x1a0/0x1a4 [ 78.186631][ T5623] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.188629][ T5623] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.221375][ T5617] loop1: detected capacity change from 0 to 32768 [ 78.248691][ T5619] loop2: detected capacity change from 0 to 32768 [ 78.262353][ T5617] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.263496][ T5617] CPU: 0 PID: 5617 Comm: syz.1.26 Not tainted syzkaller #0 [ 78.264500][ T5617] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.265894][ T5617] Call trace: [ 78.266319][ T5617] dump_backtrace+0x0/0x43c [ 78.266914][ T5617] show_stack+0x2c/0x3c [ 78.267527][ T5617] __dump_stack+0x30/0x40 [ 78.268253][ T5617] dump_stack_lvl+0xf8/0x160 [ 78.268967][ T5617] dump_stack+0x1c/0x5c [ 78.269606][ T5617] sysfs_create_dir_ns+0x22c/0x24c [ 78.270386][ T5617] kobject_add_internal+0x590/0xc54 [ 78.271172][ T5617] kobject_init_and_add+0x118/0x17c [ 78.271960][ T5617] gfs2_sys_fs_add+0x1dc/0x3d8 [ 78.272695][ T5617] gfs2_fill_super+0xdac/0x19e0 [ 78.273438][ T5617] get_tree_bdev+0x358/0x544 [ 78.274118][ T5617] gfs2_get_tree+0x54/0x1b4 [ 78.274792][ T5617] vfs_get_tree+0x90/0x274 [ 78.275467][ T5617] do_new_mount+0x228/0x810 [ 78.276102][ T5617] path_mount+0x5b4/0x1000 [ 78.276721][ T5617] __arm64_sys_mount+0x514/0x5e4 [ 78.277441][ T5617] invoke_syscall+0x98/0x2b8 [ 78.278058][ T5617] el0_svc_common+0x138/0x258 [ 78.278700][ T5617] do_el0_svc+0x58/0x14c [ 78.279300][ T5617] el0_svc+0x78/0x1e0 [ 78.279892][ T5617] el0t_64_sync_handler+0xcc/0xe4 [ 78.280580][ T5617] el0t_64_sync+0x1a0/0x1a4 [ 78.287019][ T5619] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.288169][ T5619] CPU: 1 PID: 5619 Comm: syz.2.27 Not tainted syzkaller #0 [ 78.289203][ T5619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.290782][ T5619] Call trace: [ 78.291324][ T5619] dump_backtrace+0x0/0x43c [ 78.292015][ T5619] show_stack+0x2c/0x3c [ 78.292617][ T5619] __dump_stack+0x30/0x40 [ 78.293205][ T5619] dump_stack_lvl+0xf8/0x160 [ 78.293865][ T5619] dump_stack+0x1c/0x5c [ 78.294479][ T5619] sysfs_create_dir_ns+0x22c/0x24c [ 78.295145][ T5619] kobject_add_internal+0x590/0xc54 [ 78.295171][ T5621] loop3: detected capacity change from 0 to 32768 [ 78.295964][ T5619] kobject_init_and_add+0x118/0x17c [ 78.297153][ T5617] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.297710][ T5619] gfs2_sys_fs_add+0x1dc/0x3d8 [ 78.299488][ T5617] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.300181][ T5619] gfs2_fill_super+0xdac/0x19e0 [ 78.301858][ T5619] get_tree_bdev+0x358/0x544 [ 78.302593][ T5619] gfs2_get_tree+0x54/0x1b4 [ 78.303330][ T5619] vfs_get_tree+0x90/0x274 [ 78.303984][ T5619] do_new_mount+0x228/0x810 [ 78.304654][ T5619] path_mount+0x5b4/0x1000 [ 78.305276][ T5619] __arm64_sys_mount+0x514/0x5e4 [ 78.306047][ T5619] invoke_syscall+0x98/0x2b8 [ 78.306669][ T5619] el0_svc_common+0x138/0x258 [ 78.307382][ T5619] do_el0_svc+0x58/0x14c [ 78.308009][ T5619] el0_svc+0x78/0x1e0 [ 78.308628][ T5619] el0t_64_sync_handler+0xcc/0xe4 [ 78.309416][ T5619] el0t_64_sync+0x1a0/0x1a4 [ 78.328802][ T5621] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.330029][ T5621] CPU: 0 PID: 5621 Comm: syz.3.28 Not tainted syzkaller #0 [ 78.331219][ T5621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.332731][ T5621] Call trace: [ 78.333226][ T5621] dump_backtrace+0x0/0x43c [ 78.333891][ T5621] show_stack+0x2c/0x3c [ 78.334519][ T5621] __dump_stack+0x30/0x40 [ 78.335100][ T5621] dump_stack_lvl+0xf8/0x160 [ 78.335756][ T5621] dump_stack+0x1c/0x5c [ 78.336321][ T5621] sysfs_create_dir_ns+0x22c/0x24c [ 78.337026][ T5621] kobject_add_internal+0x590/0xc54 [ 78.337702][ T5621] kobject_init_and_add+0x118/0x17c [ 78.338382][ T5621] gfs2_sys_fs_add+0x1dc/0x3d8 [ 78.339052][ T5621] gfs2_fill_super+0xdac/0x19e0 [ 78.339710][ T5621] get_tree_bdev+0x358/0x544 [ 78.340324][ T5621] gfs2_get_tree+0x54/0x1b4 [ 78.340944][ T5621] vfs_get_tree+0x90/0x274 [ 78.341551][ T5621] do_new_mount+0x228/0x810 [ 78.342155][ T5621] path_mount+0x5b4/0x1000 [ 78.342792][ T5621] __arm64_sys_mount+0x514/0x5e4 [ 78.343473][ T5621] invoke_syscall+0x98/0x2b8 [ 78.343842][ T5619] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.344109][ T5621] el0_svc_common+0x138/0x258 [ 78.346238][ T5619] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.346880][ T5621] do_el0_svc+0x58/0x14c [ 78.346898][ T5621] el0_svc+0x78/0x1e0 [ 78.346913][ T5621] el0t_64_sync_handler+0xcc/0xe4 [ 78.346923][ T5621] el0t_64_sync+0x1a0/0x1a4 [ 78.379474][ T5621] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.381396][ T5621] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.423432][ T5623] loop0: detected capacity change from 0 to 32768 [ 78.481967][ T5623] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.483257][ T5623] CPU: 1 PID: 5623 Comm: syz.0.29 Not tainted syzkaller #0 [ 78.484366][ T5623] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.485895][ T5623] Call trace: [ 78.486378][ T5623] dump_backtrace+0x0/0x43c [ 78.487123][ T5623] show_stack+0x2c/0x3c [ 78.487750][ T5623] __dump_stack+0x30/0x40 [ 78.488406][ T5623] dump_stack_lvl+0xf8/0x160 [ 78.489100][ T5623] dump_stack+0x1c/0x5c [ 78.489739][ T5623] sysfs_create_dir_ns+0x22c/0x24c [ 78.490445][ T5623] kobject_add_internal+0x590/0xc54 [ 78.491159][ T5623] kobject_init_and_add+0x118/0x17c [ 78.491958][ T5623] gfs2_sys_fs_add+0x1dc/0x3d8 [ 78.492679][ T5623] gfs2_fill_super+0xdac/0x19e0 [ 78.493376][ T5623] get_tree_bdev+0x358/0x544 [ 78.494043][ T5623] gfs2_get_tree+0x54/0x1b4 [ 78.494749][ T5623] vfs_get_tree+0x90/0x274 [ 78.495389][ T5623] do_new_mount+0x228/0x810 [ 78.496003][ T5623] path_mount+0x5b4/0x1000 [ 78.496658][ T5623] __arm64_sys_mount+0x514/0x5e4 [ 78.497490][ T5623] invoke_syscall+0x98/0x2b8 [ 78.498282][ T5623] el0_svc_common+0x138/0x258 [ 78.499000][ T5623] do_el0_svc+0x58/0x14c [ 78.499666][ T5623] el0_svc+0x78/0x1e0 [ 78.500284][ T5623] el0t_64_sync_handler+0xcc/0xe4 [ 78.501059][ T5623] el0t_64_sync+0x1a0/0x1a4 [ 78.543896][ T5623] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.545850][ T5623] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.563682][ T5625] loop1: detected capacity change from 0 to 32768 [ 78.594771][ T5627] loop2: detected capacity change from 0 to 32768 [ 78.600501][ T5625] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.601662][ T5625] CPU: 0 PID: 5625 Comm: syz.1.30 Not tainted syzkaller #0 [ 78.602751][ T5625] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.604221][ T5625] Call trace: [ 78.604684][ T5625] dump_backtrace+0x0/0x43c [ 78.605330][ T5625] show_stack+0x2c/0x3c [ 78.605947][ T5625] __dump_stack+0x30/0x40 [ 78.606570][ T5625] dump_stack_lvl+0xf8/0x160 [ 78.607220][ T5625] dump_stack+0x1c/0x5c [ 78.607804][ T5625] sysfs_create_dir_ns+0x22c/0x24c [ 78.608481][ T5625] kobject_add_internal+0x590/0xc54 [ 78.609184][ T5625] kobject_init_and_add+0x118/0x17c [ 78.609935][ T5625] gfs2_sys_fs_add+0x1dc/0x3d8 [ 78.610613][ T5625] gfs2_fill_super+0xdac/0x19e0 [ 78.611249][ T5625] get_tree_bdev+0x358/0x544 [ 78.611868][ T5625] gfs2_get_tree+0x54/0x1b4 [ 78.612510][ T5625] vfs_get_tree+0x90/0x274 [ 78.613153][ T5625] do_new_mount+0x228/0x810 [ 78.613835][ T5625] path_mount+0x5b4/0x1000 [ 78.614458][ T5625] __arm64_sys_mount+0x514/0x5e4 [ 78.615120][ T5625] invoke_syscall+0x98/0x2b8 [ 78.615804][ T5625] el0_svc_common+0x138/0x258 [ 78.616446][ T5625] do_el0_svc+0x58/0x14c [ 78.617045][ T5625] el0_svc+0x78/0x1e0 [ 78.617613][ T5625] el0t_64_sync_handler+0xcc/0xe4 [ 78.618386][ T5625] el0t_64_sync+0x1a0/0x1a4 [ 78.645986][ T5629] loop3: detected capacity change from 0 to 32768 [ 78.648099][ T5627] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.648109][ T5625] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.649224][ T5627] CPU: 1 PID: 5627 Comm: syz.2.31 Not tainted syzkaller #0 [ 78.651134][ T5625] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.652159][ T5627] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.654668][ T5627] Call trace: [ 78.655154][ T5627] dump_backtrace+0x0/0x43c [ 78.655825][ T5627] show_stack+0x2c/0x3c [ 78.656418][ T5627] __dump_stack+0x30/0x40 [ 78.657060][ T5627] dump_stack_lvl+0xf8/0x160 [ 78.657743][ T5627] dump_stack+0x1c/0x5c [ 78.658371][ T5627] sysfs_create_dir_ns+0x22c/0x24c [ 78.659188][ T5627] kobject_add_internal+0x590/0xc54 [ 78.659995][ T5627] kobject_init_and_add+0x118/0x17c [ 78.660833][ T5627] gfs2_sys_fs_add+0x1dc/0x3d8 [ 78.661550][ T5627] gfs2_fill_super+0xdac/0x19e0 [ 78.662193][ T5627] get_tree_bdev+0x358/0x544 [ 78.662859][ T5627] gfs2_get_tree+0x54/0x1b4 [ 78.663569][ T5627] vfs_get_tree+0x90/0x274 [ 78.664240][ T5627] do_new_mount+0x228/0x810 [ 78.664926][ T5627] path_mount+0x5b4/0x1000 [ 78.665542][ T5627] __arm64_sys_mount+0x514/0x5e4 [ 78.666266][ T5627] invoke_syscall+0x98/0x2b8 [ 78.666963][ T5627] el0_svc_common+0x138/0x258 [ 78.667657][ T5627] do_el0_svc+0x58/0x14c [ 78.668287][ T5627] el0_svc+0x78/0x1e0 [ 78.668885][ T5627] el0t_64_sync_handler+0xcc/0xe4 [ 78.669614][ T5627] el0t_64_sync+0x1a0/0x1a4 [ 78.687101][ T5629] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.688342][ T5629] CPU: 0 PID: 5629 Comm: syz.3.32 Not tainted syzkaller #0 [ 78.689359][ T5629] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.690908][ T5629] Call trace: [ 78.691352][ T5629] dump_backtrace+0x0/0x43c [ 78.692019][ T5629] show_stack+0x2c/0x3c [ 78.692658][ T5629] __dump_stack+0x30/0x40 [ 78.693253][ T5629] dump_stack_lvl+0xf8/0x160 [ 78.693911][ T5629] dump_stack+0x1c/0x5c [ 78.694469][ T5629] sysfs_create_dir_ns+0x22c/0x24c [ 78.695201][ T5629] kobject_add_internal+0x590/0xc54 [ 78.695975][ T5629] kobject_init_and_add+0x118/0x17c [ 78.696741][ T5629] gfs2_sys_fs_add+0x1dc/0x3d8 [ 78.696854][ T5627] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.697447][ T5629] gfs2_fill_super+0xdac/0x19e0 [ 78.699381][ T5627] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.700045][ T5629] get_tree_bdev+0x358/0x544 [ 78.701571][ T5629] gfs2_get_tree+0x54/0x1b4 [ 78.702182][ T5629] vfs_get_tree+0x90/0x274 [ 78.702757][ T5629] do_new_mount+0x228/0x810 [ 78.703368][ T5629] path_mount+0x5b4/0x1000 [ 78.703983][ T5629] __arm64_sys_mount+0x514/0x5e4 [ 78.704634][ T5629] invoke_syscall+0x98/0x2b8 [ 78.705251][ T5629] el0_svc_common+0x138/0x258 [ 78.705895][ T5629] do_el0_svc+0x58/0x14c [ 78.706483][ T5629] el0_svc+0x78/0x1e0 [ 78.706988][ T5629] el0t_64_sync_handler+0xcc/0xe4 [ 78.707780][ T5629] el0t_64_sync+0x1a0/0x1a4 [ 78.739049][ T5629] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.746722][ T5629] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.775810][ T5631] loop0: detected capacity change from 0 to 32768 [ 78.791240][ T5631] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.792447][ T5631] CPU: 1 PID: 5631 Comm: syz.0.33 Not tainted syzkaller #0 [ 78.793575][ T5631] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.795031][ T5631] Call trace: [ 78.795510][ T5631] dump_backtrace+0x0/0x43c [ 78.796149][ T5631] show_stack+0x2c/0x3c [ 78.796736][ T5631] __dump_stack+0x30/0x40 [ 78.797395][ T5631] dump_stack_lvl+0xf8/0x160 [ 78.798041][ T5631] dump_stack+0x1c/0x5c [ 78.798607][ T5631] sysfs_create_dir_ns+0x22c/0x24c [ 78.799361][ T5631] kobject_add_internal+0x590/0xc54 [ 78.800199][ T5631] kobject_init_and_add+0x118/0x17c [ 78.800961][ T5631] gfs2_sys_fs_add+0x1dc/0x3d8 [ 78.801583][ T5631] gfs2_fill_super+0xdac/0x19e0 [ 78.802224][ T5631] get_tree_bdev+0x358/0x544 [ 78.802900][ T5631] gfs2_get_tree+0x54/0x1b4 [ 78.803570][ T5631] vfs_get_tree+0x90/0x274 [ 78.804217][ T5631] do_new_mount+0x228/0x810 [ 78.804888][ T5631] path_mount+0x5b4/0x1000 [ 78.805519][ T5631] __arm64_sys_mount+0x514/0x5e4 [ 78.806205][ T5631] invoke_syscall+0x98/0x2b8 [ 78.806860][ T5631] el0_svc_common+0x138/0x258 [ 78.807546][ T5631] do_el0_svc+0x58/0x14c [ 78.808157][ T5631] el0_svc+0x78/0x1e0 [ 78.808725][ T5631] el0t_64_sync_handler+0xcc/0xe4 [ 78.809425][ T5631] el0t_64_sync+0x1a0/0x1a4 [ 78.846592][ T5631] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.848604][ T5631] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.860362][ T5625] loop1: detected capacity change from 0 to 32768 [ 78.887157][ T5625] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.888297][ T5625] CPU: 0 PID: 5625 Comm: syz.1.30 Not tainted syzkaller #0 [ 78.889387][ T5625] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.890877][ T5625] Call trace: [ 78.891349][ T5625] dump_backtrace+0x0/0x43c [ 78.891974][ T5625] show_stack+0x2c/0x3c [ 78.892633][ T5625] __dump_stack+0x30/0x40 [ 78.893305][ T5625] dump_stack_lvl+0xf8/0x160 [ 78.894016][ T5625] dump_stack+0x1c/0x5c [ 78.894644][ T5625] sysfs_create_dir_ns+0x22c/0x24c [ 78.895381][ T5625] kobject_add_internal+0x590/0xc54 [ 78.896116][ T5625] kobject_init_and_add+0x118/0x17c [ 78.896900][ T5625] gfs2_sys_fs_add+0x1dc/0x3d8 [ 78.897607][ T5625] gfs2_fill_super+0xdac/0x19e0 [ 78.898292][ T5625] get_tree_bdev+0x358/0x544 [ 78.898954][ T5625] gfs2_get_tree+0x54/0x1b4 [ 78.899666][ T5625] vfs_get_tree+0x90/0x274 [ 78.900280][ T5625] do_new_mount+0x228/0x810 [ 78.900962][ T5625] path_mount+0x5b4/0x1000 [ 78.901600][ T5625] __arm64_sys_mount+0x514/0x5e4 [ 78.902300][ T5625] invoke_syscall+0x98/0x2b8 [ 78.902918][ T5625] el0_svc_common+0x138/0x258 [ 78.903636][ T5625] do_el0_svc+0x58/0x14c [ 78.904217][ T5625] el0_svc+0x78/0x1e0 [ 78.904787][ T5625] el0t_64_sync_handler+0xcc/0xe4 [ 78.905525][ T5625] el0t_64_sync+0x1a0/0x1a4 [ 78.948436][ T5625] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.950679][ T5625] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.973132][ T5627] loop2: detected capacity change from 0 to 32768 [ 78.977369][ T5627] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.978503][ T5627] CPU: 1 PID: 5627 Comm: syz.2.31 Not tainted syzkaller #0 [ 78.979588][ T5627] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.981045][ T5627] Call trace: [ 78.981518][ T5627] dump_backtrace+0x0/0x43c [ 78.982188][ T5627] show_stack+0x2c/0x3c [ 78.982788][ T5627] __dump_stack+0x30/0x40 [ 78.983485][ T5627] dump_stack_lvl+0xf8/0x160 [ 78.984034][ T5629] loop3: detected capacity change from 0 to 32768 [ 78.984179][ T5627] dump_stack+0x1c/0x5c [ 78.985700][ T5627] sysfs_create_dir_ns+0x22c/0x24c [ 78.986478][ T5627] kobject_add_internal+0x590/0xc54 [ 78.987275][ T5627] kobject_init_and_add+0x118/0x17c [ 78.988038][ T5627] gfs2_sys_fs_add+0x1dc/0x3d8 [ 78.988675][ T5627] gfs2_fill_super+0xdac/0x19e0 [ 78.989365][ T5627] get_tree_bdev+0x358/0x544 [ 78.990000][ T5627] gfs2_get_tree+0x54/0x1b4 [ 78.990579][ T5627] vfs_get_tree+0x90/0x274 [ 78.991251][ T5627] do_new_mount+0x228/0x810 [ 78.991896][ T5627] path_mount+0x5b4/0x1000 [ 78.992533][ T5627] __arm64_sys_mount+0x514/0x5e4 [ 78.993235][ T5627] invoke_syscall+0x98/0x2b8 [ 78.993878][ T5627] el0_svc_common+0x138/0x258 [ 78.994612][ T5627] do_el0_svc+0x58/0x14c [ 78.995297][ T5627] el0_svc+0x78/0x1e0 [ 78.995878][ T5627] el0t_64_sync_handler+0xcc/0xe4 [ 78.996598][ T5627] el0t_64_sync+0x1a0/0x1a4 [ 79.027059][ T5627] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.029047][ T5627] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.044357][ T5629] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.045424][ T5629] CPU: 0 PID: 5629 Comm: syz.3.32 Not tainted syzkaller #0 [ 79.046403][ T5629] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.047896][ T5629] Call trace: [ 79.048405][ T5629] dump_backtrace+0x0/0x43c [ 79.049055][ T5629] show_stack+0x2c/0x3c [ 79.049648][ T5629] __dump_stack+0x30/0x40 [ 79.050323][ T5629] dump_stack_lvl+0xf8/0x160 [ 79.050975][ T5629] dump_stack+0x1c/0x5c [ 79.051585][ T5629] sysfs_create_dir_ns+0x22c/0x24c [ 79.052346][ T5629] kobject_add_internal+0x590/0xc54 [ 79.053115][ T5629] kobject_init_and_add+0x118/0x17c [ 79.053898][ T5629] gfs2_sys_fs_add+0x1dc/0x3d8 [ 79.054607][ T5629] gfs2_fill_super+0xdac/0x19e0 [ 79.055267][ T5629] get_tree_bdev+0x358/0x544 [ 79.055281][ T5631] loop0: detected capacity change from 0 to 32768 [ 79.055925][ T5629] gfs2_get_tree+0x54/0x1b4 [ 79.057533][ T5629] vfs_get_tree+0x90/0x274 [ 79.058109][ T5629] do_new_mount+0x228/0x810 [ 79.058720][ T5629] path_mount+0x5b4/0x1000 [ 79.059371][ T5629] __arm64_sys_mount+0x514/0x5e4 [ 79.060057][ T5629] invoke_syscall+0x98/0x2b8 [ 79.060658][ T5629] el0_svc_common+0x138/0x258 [ 79.061335][ T5629] do_el0_svc+0x58/0x14c [ 79.061913][ T5629] el0_svc+0x78/0x1e0 [ 79.062454][ T5629] el0t_64_sync_handler+0xcc/0xe4 [ 79.063147][ T5629] el0t_64_sync+0x1a0/0x1a4 [ 79.099554][ T5629] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.101594][ T5629] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.113087][ T5631] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.114258][ T5631] CPU: 1 PID: 5631 Comm: syz.0.33 Not tainted syzkaller #0 [ 79.115268][ T5631] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.116736][ T5631] Call trace: [ 79.117178][ T5631] dump_backtrace+0x0/0x43c [ 79.117960][ T5631] show_stack+0x2c/0x3c [ 79.118648][ T5631] __dump_stack+0x30/0x40 [ 79.119384][ T5631] dump_stack_lvl+0xf8/0x160 [ 79.120122][ T5631] dump_stack+0x1c/0x5c [ 79.120786][ T5631] sysfs_create_dir_ns+0x22c/0x24c [ 79.121601][ T5631] kobject_add_internal+0x590/0xc54 [ 79.122344][ T5631] kobject_init_and_add+0x118/0x17c [ 79.123088][ T5631] gfs2_sys_fs_add+0x1dc/0x3d8 [ 79.123790][ T5631] gfs2_fill_super+0xdac/0x19e0 [ 79.124511][ T5631] get_tree_bdev+0x358/0x544 [ 79.125121][ T5631] gfs2_get_tree+0x54/0x1b4 [ 79.125858][ T5631] vfs_get_tree+0x90/0x274 [ 79.126529][ T5631] do_new_mount+0x228/0x810 [ 79.127180][ T5631] path_mount+0x5b4/0x1000 [ 79.127808][ T5631] __arm64_sys_mount+0x514/0x5e4 [ 79.128494][ T5631] invoke_syscall+0x98/0x2b8 [ 79.129139][ T5631] el0_svc_common+0x138/0x258 [ 79.129762][ T5631] do_el0_svc+0x58/0x14c [ 79.130431][ T5631] el0_svc+0x78/0x1e0 [ 79.131027][ T5631] el0t_64_sync_handler+0xcc/0xe4 [ 79.131761][ T5631] el0t_64_sync+0x1a0/0x1a4 [ 79.166786][ T5631] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.168670][ T5631] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.194777][ T5633] loop1: detected capacity change from 0 to 32768 [ 79.259062][ T5635] loop2: detected capacity change from 0 to 32768 [ 79.297178][ T5635] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.298341][ T5635] CPU: 1 PID: 5635 Comm: syz.2.35 Not tainted syzkaller #0 [ 79.299350][ T5635] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.300780][ T5635] Call trace: [ 79.301276][ T5635] dump_backtrace+0x0/0x43c [ 79.301989][ T5635] show_stack+0x2c/0x3c [ 79.302619][ T5635] __dump_stack+0x30/0x40 [ 79.303270][ T5635] dump_stack_lvl+0xf8/0x160 [ 79.303970][ T5635] dump_stack+0x1c/0x5c [ 79.304568][ T5635] sysfs_create_dir_ns+0x22c/0x24c [ 79.305329][ T5635] kobject_add_internal+0x590/0xc54 [ 79.306142][ T5635] kobject_init_and_add+0x118/0x17c [ 79.306916][ T5635] gfs2_sys_fs_add+0x1dc/0x3d8 [ 79.307600][ T5635] gfs2_fill_super+0xdac/0x19e0 [ 79.308298][ T5635] get_tree_bdev+0x358/0x544 [ 79.308955][ T5635] gfs2_get_tree+0x54/0x1b4 [ 79.309613][ T5635] vfs_get_tree+0x90/0x274 [ 79.310238][ T5635] do_new_mount+0x228/0x810 [ 79.310925][ T5635] path_mount+0x5b4/0x1000 [ 79.311540][ T5635] __arm64_sys_mount+0x514/0x5e4 [ 79.312262][ T5635] invoke_syscall+0x98/0x2b8 [ 79.312969][ T5635] el0_svc_common+0x138/0x258 [ 79.313631][ T5635] do_el0_svc+0x58/0x14c [ 79.314206][ T5635] el0_svc+0x78/0x1e0 [ 79.314786][ T5635] el0t_64_sync_handler+0xcc/0xe4 [ 79.315475][ T5635] el0t_64_sync+0x1a0/0x1a4 [ 79.319697][ T5633] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.320847][ T5633] CPU: 0 PID: 5633 Comm: syz.1.34 Not tainted syzkaller #0 [ 79.321888][ T5633] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.323269][ T5633] Call trace: [ 79.323690][ T5633] dump_backtrace+0x0/0x43c [ 79.324311][ T5633] show_stack+0x2c/0x3c [ 79.324894][ T5633] __dump_stack+0x30/0x40 [ 79.325530][ T5633] dump_stack_lvl+0xf8/0x160 [ 79.326189][ T5633] dump_stack+0x1c/0x5c [ 79.326740][ T5633] sysfs_create_dir_ns+0x22c/0x24c [ 79.327527][ T5633] kobject_add_internal+0x590/0xc54 [ 79.328258][ T5633] kobject_init_and_add+0x118/0x17c [ 79.329024][ T5633] gfs2_sys_fs_add+0x1dc/0x3d8 [ 79.329700][ T5633] gfs2_fill_super+0xdac/0x19e0 [ 79.330376][ T5633] get_tree_bdev+0x358/0x544 [ 79.331070][ T5633] gfs2_get_tree+0x54/0x1b4 [ 79.331718][ T5633] vfs_get_tree+0x90/0x274 [ 79.332379][ T5633] do_new_mount+0x228/0x810 [ 79.333046][ T5633] path_mount+0x5b4/0x1000 [ 79.333664][ T5633] __arm64_sys_mount+0x514/0x5e4 [ 79.334357][ T5633] invoke_syscall+0x98/0x2b8 [ 79.335065][ T5633] el0_svc_common+0x138/0x258 [ 79.335736][ T5633] do_el0_svc+0x58/0x14c [ 79.336313][ T5633] el0_svc+0x78/0x1e0 [ 79.336865][ T5633] el0t_64_sync_handler+0xcc/0xe4 [ 79.337606][ T5633] el0t_64_sync+0x1a0/0x1a4 [ 79.354254][ T5637] loop3: detected capacity change from 0 to 32768 [ 79.356259][ T5637] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.356923][ T5635] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.359299][ T5635] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.360961][ T5637] CPU: 0 PID: 5637 Comm: syz.3.36 Not tainted syzkaller #0 [ 79.362132][ T5637] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.363718][ T5637] Call trace: [ 79.364172][ T5637] dump_backtrace+0x0/0x43c [ 79.364836][ T5637] show_stack+0x2c/0x3c [ 79.365444][ T5637] __dump_stack+0x30/0x40 [ 79.366042][ T5637] dump_stack_lvl+0xf8/0x160 [ 79.366658][ T5637] dump_stack+0x1c/0x5c [ 79.367233][ T5637] sysfs_create_dir_ns+0x22c/0x24c [ 79.367929][ T5637] kobject_add_internal+0x590/0xc54 [ 79.368591][ T5637] kobject_init_and_add+0x118/0x17c [ 79.369334][ T5637] gfs2_sys_fs_add+0x1dc/0x3d8 [ 79.369988][ T5637] gfs2_fill_super+0xdac/0x19e0 [ 79.370692][ T5637] get_tree_bdev+0x358/0x544 [ 79.371321][ T5637] gfs2_get_tree+0x54/0x1b4 [ 79.371906][ T5637] vfs_get_tree+0x90/0x274 [ 79.372452][ T5637] do_new_mount+0x228/0x810 [ 79.373118][ T5637] path_mount+0x5b4/0x1000 [ 79.373740][ T5637] __arm64_sys_mount+0x514/0x5e4 [ 79.374381][ T5637] invoke_syscall+0x98/0x2b8 [ 79.374982][ T5637] el0_svc_common+0x138/0x258 [ 79.375702][ T5637] do_el0_svc+0x58/0x14c [ 79.376301][ T5637] el0_svc+0x78/0x1e0 [ 79.376873][ T5637] el0t_64_sync_handler+0xcc/0xe4 [ 79.377646][ T5637] el0t_64_sync+0x1a0/0x1a4 [ 79.384379][ T5633] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.386339][ T5633] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.409550][ T5637] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.411146][ T5639] loop0: detected capacity change from 0 to 32768 [ 79.411469][ T5637] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.450094][ T5639] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.451346][ T5639] CPU: 1 PID: 5639 Comm: syz.0.37 Not tainted syzkaller #0 [ 79.452462][ T5639] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.454007][ T5639] Call trace: [ 79.454478][ T5639] dump_backtrace+0x0/0x43c [ 79.455097][ T5639] show_stack+0x2c/0x3c [ 79.455695][ T5639] __dump_stack+0x30/0x40 [ 79.456287][ T5639] dump_stack_lvl+0xf8/0x160 [ 79.456929][ T5639] dump_stack+0x1c/0x5c [ 79.457513][ T5639] sysfs_create_dir_ns+0x22c/0x24c [ 79.458283][ T5639] kobject_add_internal+0x590/0xc54 [ 79.459001][ T5639] kobject_init_and_add+0x118/0x17c [ 79.459729][ T5639] gfs2_sys_fs_add+0x1dc/0x3d8 [ 79.460414][ T5639] gfs2_fill_super+0xdac/0x19e0 [ 79.461094][ T5639] get_tree_bdev+0x358/0x544 [ 79.461828][ T5639] gfs2_get_tree+0x54/0x1b4 [ 79.462495][ T5639] vfs_get_tree+0x90/0x274 [ 79.463123][ T5639] do_new_mount+0x228/0x810 [ 79.463728][ T5639] path_mount+0x5b4/0x1000 [ 79.464308][ T5639] __arm64_sys_mount+0x514/0x5e4 [ 79.464972][ T5639] invoke_syscall+0x98/0x2b8 [ 79.465646][ T5639] el0_svc_common+0x138/0x258 [ 79.466327][ T5639] do_el0_svc+0x58/0x14c [ 79.466904][ T5639] el0_svc+0x78/0x1e0 [ 79.467495][ T5639] el0t_64_sync_handler+0xcc/0xe4 [ 79.468193][ T5639] el0t_64_sync+0x1a0/0x1a4 [ 79.498766][ T5639] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.502801][ T5639] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.593407][ T5635] loop2: detected capacity change from 0 to 32768 [ 79.609761][ T5633] loop1: detected capacity change from 0 to 32768 [ 79.628085][ T5637] loop3: detected capacity change from 0 to 32768 [ 79.647099][ T5633] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.648219][ T5633] CPU: 0 PID: 5633 Comm: syz.1.34 Not tainted syzkaller #0 [ 79.649296][ T5633] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.649737][ T5635] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.650740][ T5633] Call trace: [ 79.650745][ T5633] dump_backtrace+0x0/0x43c [ 79.652985][ T5633] show_stack+0x2c/0x3c [ 79.653580][ T5633] __dump_stack+0x30/0x40 [ 79.654234][ T5633] dump_stack_lvl+0xf8/0x160 [ 79.654902][ T5633] dump_stack+0x1c/0x5c [ 79.655531][ T5633] sysfs_create_dir_ns+0x22c/0x24c [ 79.656368][ T5633] kobject_add_internal+0x590/0xc54 [ 79.657165][ T5633] kobject_init_and_add+0x118/0x17c [ 79.657907][ T5633] gfs2_sys_fs_add+0x1dc/0x3d8 [ 79.658594][ T5633] gfs2_fill_super+0xdac/0x19e0 [ 79.659342][ T5633] get_tree_bdev+0x358/0x544 [ 79.660065][ T5633] gfs2_get_tree+0x54/0x1b4 [ 79.660769][ T5633] vfs_get_tree+0x90/0x274 [ 79.661350][ T5633] do_new_mount+0x228/0x810 [ 79.662074][ T5633] path_mount+0x5b4/0x1000 [ 79.662767][ T5633] __arm64_sys_mount+0x514/0x5e4 [ 79.663479][ T5633] invoke_syscall+0x98/0x2b8 [ 79.664188][ T5633] el0_svc_common+0x138/0x258 [ 79.664872][ T5633] do_el0_svc+0x58/0x14c [ 79.665534][ T5633] el0_svc+0x78/0x1e0 [ 79.666124][ T5633] el0t_64_sync_handler+0xcc/0xe4 [ 79.666841][ T5633] el0t_64_sync+0x1a0/0x1a4 [ 79.670138][ T5635] CPU: 1 PID: 5635 Comm: syz.2.35 Not tainted syzkaller #0 [ 79.671260][ T5635] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.672678][ T5635] Call trace: [ 79.673127][ T5635] dump_backtrace+0x0/0x43c [ 79.673766][ T5635] show_stack+0x2c/0x3c [ 79.674405][ T5635] __dump_stack+0x30/0x40 [ 79.675031][ T5635] dump_stack_lvl+0xf8/0x160 [ 79.675704][ T5635] dump_stack+0x1c/0x5c [ 79.676287][ T5635] sysfs_create_dir_ns+0x22c/0x24c [ 79.677087][ T5635] kobject_add_internal+0x590/0xc54 [ 79.677107][ T5637] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.677858][ T5635] kobject_init_and_add+0x118/0x17c [ 79.679725][ T5635] gfs2_sys_fs_add+0x1dc/0x3d8 [ 79.680488][ T5635] gfs2_fill_super+0xdac/0x19e0 [ 79.681292][ T5635] get_tree_bdev+0x358/0x544 [ 79.681932][ T5635] gfs2_get_tree+0x54/0x1b4 [ 79.682558][ T5635] vfs_get_tree+0x90/0x274 [ 79.683210][ T5635] do_new_mount+0x228/0x810 [ 79.683901][ T5635] path_mount+0x5b4/0x1000 [ 79.684576][ T5635] __arm64_sys_mount+0x514/0x5e4 [ 79.685279][ T5635] invoke_syscall+0x98/0x2b8 [ 79.685970][ T5635] el0_svc_common+0x138/0x258 [ 79.686640][ T5635] do_el0_svc+0x58/0x14c [ 79.687239][ T5635] el0_svc+0x78/0x1e0 [ 79.687826][ T5635] el0t_64_sync_handler+0xcc/0xe4 [ 79.688537][ T5635] el0t_64_sync+0x1a0/0x1a4 [ 79.689144][ T5637] CPU: 0 PID: 5637 Comm: syz.3.36 Not tainted syzkaller #0 [ 79.690238][ T5637] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.691630][ T5637] Call trace: [ 79.692066][ T5637] dump_backtrace+0x0/0x43c [ 79.692705][ T5637] show_stack+0x2c/0x3c [ 79.693295][ T5637] __dump_stack+0x30/0x40 [ 79.693878][ T5637] dump_stack_lvl+0xf8/0x160 [ 79.694517][ T5637] dump_stack+0x1c/0x5c [ 79.695115][ T5637] sysfs_create_dir_ns+0x22c/0x24c [ 79.695852][ T5637] kobject_add_internal+0x590/0xc54 [ 79.696596][ T5637] kobject_init_and_add+0x118/0x17c [ 79.697303][ T5637] gfs2_sys_fs_add+0x1dc/0x3d8 [ 79.697993][ T5637] gfs2_fill_super+0xdac/0x19e0 [ 79.698664][ T5637] get_tree_bdev+0x358/0x544 [ 79.699318][ T5637] gfs2_get_tree+0x54/0x1b4 [ 79.699990][ T5637] vfs_get_tree+0x90/0x274 [ 79.700654][ T5637] do_new_mount+0x228/0x810 [ 79.701345][ T5637] path_mount+0x5b4/0x1000 [ 79.701954][ T5637] __arm64_sys_mount+0x514/0x5e4 [ 79.702483][ T5639] loop0: detected capacity change from 0 to 32768 [ 79.702658][ T5637] invoke_syscall+0x98/0x2b8 [ 79.704317][ T5637] el0_svc_common+0x138/0x258 [ 79.704661][ T5635] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.704956][ T5637] do_el0_svc+0x58/0x14c [ 79.707092][ T5635] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.707544][ T5637] el0_svc+0x78/0x1e0 [ 79.708997][ T5637] el0t_64_sync_handler+0xcc/0xe4 [ 79.709723][ T5637] el0t_64_sync+0x1a0/0x1a4 [ 79.710028][ T5633] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.712387][ T5633] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.718463][ T5639] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.719602][ T5639] CPU: 1 PID: 5639 Comm: syz.0.37 Not tainted syzkaller #0 [ 79.720701][ T5639] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.722189][ T5639] Call trace: [ 79.722742][ T5639] dump_backtrace+0x0/0x43c [ 79.723431][ T5639] show_stack+0x2c/0x3c [ 79.724047][ T5639] __dump_stack+0x30/0x40 [ 79.724715][ T5639] dump_stack_lvl+0xf8/0x160 [ 79.725435][ T5639] dump_stack+0x1c/0x5c [ 79.726067][ T5639] sysfs_create_dir_ns+0x22c/0x24c [ 79.726875][ T5639] kobject_add_internal+0x590/0xc54 [ 79.727689][ T5639] kobject_init_and_add+0x118/0x17c [ 79.728498][ T5639] gfs2_sys_fs_add+0x1dc/0x3d8 [ 79.729172][ T5639] gfs2_fill_super+0xdac/0x19e0 [ 79.729930][ T5639] get_tree_bdev+0x358/0x544 [ 79.730648][ T5639] gfs2_get_tree+0x54/0x1b4 [ 79.731343][ T5639] vfs_get_tree+0x90/0x274 [ 79.732011][ T5639] do_new_mount+0x228/0x810 [ 79.732716][ T5639] path_mount+0x5b4/0x1000 [ 79.733422][ T5639] __arm64_sys_mount+0x514/0x5e4 [ 79.734138][ T5639] invoke_syscall+0x98/0x2b8 [ 79.734281][ T5637] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.734852][ T5639] el0_svc_common+0x138/0x258 [ 79.736801][ T5637] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.737457][ T5639] do_el0_svc+0x58/0x14c [ 79.739111][ T5639] el0_svc+0x78/0x1e0 [ 79.739696][ T5639] el0t_64_sync_handler+0xcc/0xe4 [ 79.740421][ T5639] el0t_64_sync+0x1a0/0x1a4 [ 79.766896][ T5639] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.775117][ T5639] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.964262][ T5641] loop2: detected capacity change from 0 to 32768 [ 79.997387][ T5641] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.998558][ T5641] CPU: 1 PID: 5641 Comm: syz.2.38 Not tainted syzkaller #0 [ 79.999750][ T5641] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.001263][ T5641] Call trace: [ 80.001696][ T5641] dump_backtrace+0x0/0x43c [ 80.002325][ T5641] show_stack+0x2c/0x3c [ 80.002952][ T5641] __dump_stack+0x30/0x40 [ 80.003577][ T5641] dump_stack_lvl+0xf8/0x160 [ 80.004212][ T5641] dump_stack+0x1c/0x5c [ 80.004862][ T5641] sysfs_create_dir_ns+0x22c/0x24c [ 80.005546][ T5641] kobject_add_internal+0x590/0xc54 [ 80.006303][ T5641] kobject_init_and_add+0x118/0x17c [ 80.007002][ T5641] gfs2_sys_fs_add+0x1dc/0x3d8 [ 80.007659][ T5641] gfs2_fill_super+0xdac/0x19e0 [ 80.008344][ T5641] get_tree_bdev+0x358/0x544 [ 80.009057][ T5641] gfs2_get_tree+0x54/0x1b4 [ 80.009690][ T5641] vfs_get_tree+0x90/0x274 [ 80.010317][ T5641] do_new_mount+0x228/0x810 [ 80.010961][ T5641] path_mount+0x5b4/0x1000 [ 80.011601][ T5641] __arm64_sys_mount+0x514/0x5e4 [ 80.012308][ T5641] invoke_syscall+0x98/0x2b8 [ 80.012984][ T5641] el0_svc_common+0x138/0x258 [ 80.013682][ T5641] do_el0_svc+0x58/0x14c [ 80.014304][ T5641] el0_svc+0x78/0x1e0 [ 80.014865][ T5641] el0t_64_sync_handler+0xcc/0xe4 [ 80.015621][ T5641] el0t_64_sync+0x1a0/0x1a4 [ 80.035003][ T5643] loop1: detected capacity change from 0 to 32768 [ 80.044066][ T5645] loop3: detected capacity change from 0 to 32768 [ 80.045213][ T5641] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.047122][ T5641] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.063629][ T5647] loop0: detected capacity change from 0 to 32768 [ 80.067429][ T5643] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.068458][ T5643] CPU: 1 PID: 5643 Comm: syz.1.39 Not tainted syzkaller #0 [ 80.069536][ T5643] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.071022][ T5643] Call trace: [ 80.071449][ T5643] dump_backtrace+0x0/0x43c [ 80.072153][ T5643] show_stack+0x2c/0x3c [ 80.072713][ T5643] __dump_stack+0x30/0x40 [ 80.073314][ T5643] dump_stack_lvl+0xf8/0x160 [ 80.073981][ T5643] dump_stack+0x1c/0x5c [ 80.074544][ T5643] sysfs_create_dir_ns+0x22c/0x24c [ 80.075330][ T5643] kobject_add_internal+0x590/0xc54 [ 80.076132][ T5643] kobject_init_and_add+0x118/0x17c [ 80.076878][ T5643] gfs2_sys_fs_add+0x1dc/0x3d8 [ 80.077635][ T5643] gfs2_fill_super+0xdac/0x19e0 [ 80.078341][ T5643] get_tree_bdev+0x358/0x544 [ 80.078979][ T5643] gfs2_get_tree+0x54/0x1b4 [ 80.079632][ T5643] vfs_get_tree+0x90/0x274 [ 80.080289][ T5643] do_new_mount+0x228/0x810 [ 80.080976][ T5643] path_mount+0x5b4/0x1000 [ 80.081654][ T5643] __arm64_sys_mount+0x514/0x5e4 [ 80.082411][ T5643] invoke_syscall+0x98/0x2b8 [ 80.083109][ T5643] el0_svc_common+0x138/0x258 [ 80.083811][ T5643] do_el0_svc+0x58/0x14c [ 80.084415][ T5643] el0_svc+0x78/0x1e0 [ 80.084962][ T5643] el0t_64_sync_handler+0xcc/0xe4 [ 80.085718][ T5643] el0t_64_sync+0x1a0/0x1a4 [ 80.089567][ T5645] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.090651][ T5645] CPU: 0 PID: 5645 Comm: syz.3.40 Not tainted syzkaller #0 [ 80.091641][ T5647] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.091748][ T5645] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.094111][ T5645] Call trace: [ 80.094525][ T5645] dump_backtrace+0x0/0x43c [ 80.095130][ T5645] show_stack+0x2c/0x3c [ 80.095688][ T5645] __dump_stack+0x30/0x40 [ 80.096269][ T5645] dump_stack_lvl+0xf8/0x160 [ 80.096896][ T5645] dump_stack+0x1c/0x5c [ 80.097465][ T5645] sysfs_create_dir_ns+0x22c/0x24c [ 80.098158][ T5645] kobject_add_internal+0x590/0xc54 [ 80.098853][ T5645] kobject_init_and_add+0x118/0x17c [ 80.099747][ T5645] gfs2_sys_fs_add+0x1dc/0x3d8 [ 80.100409][ T5645] gfs2_fill_super+0xdac/0x19e0 [ 80.101089][ T5645] get_tree_bdev+0x358/0x544 [ 80.101807][ T5645] gfs2_get_tree+0x54/0x1b4 [ 80.102423][ T5645] vfs_get_tree+0x90/0x274 [ 80.103101][ T5645] do_new_mount+0x228/0x810 [ 80.103730][ T5645] path_mount+0x5b4/0x1000 [ 80.104409][ T5645] __arm64_sys_mount+0x514/0x5e4 [ 80.105111][ T5645] invoke_syscall+0x98/0x2b8 [ 80.105790][ T5645] el0_svc_common+0x138/0x258 [ 80.106532][ T5645] do_el0_svc+0x58/0x14c [ 80.107191][ T5645] el0_svc+0x78/0x1e0 [ 80.107779][ T5645] el0t_64_sync_handler+0xcc/0xe4 [ 80.108505][ T5645] el0t_64_sync+0x1a0/0x1a4 [ 80.114218][ T5647] CPU: 1 PID: 5647 Comm: syz.0.41 Not tainted syzkaller #0 [ 80.115407][ T5647] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.116820][ T5647] Call trace: [ 80.117326][ T5647] dump_backtrace+0x0/0x43c [ 80.117980][ T5647] show_stack+0x2c/0x3c [ 80.118572][ T5647] __dump_stack+0x30/0x40 [ 80.119250][ T5647] dump_stack_lvl+0xf8/0x160 [ 80.119872][ T5647] dump_stack+0x1c/0x5c [ 80.120477][ T5647] sysfs_create_dir_ns+0x22c/0x24c [ 80.121181][ T5647] kobject_add_internal+0x590/0xc54 [ 80.121929][ T5647] kobject_init_and_add+0x118/0x17c [ 80.122689][ T5647] gfs2_sys_fs_add+0x1dc/0x3d8 [ 80.123384][ T5647] gfs2_fill_super+0xdac/0x19e0 [ 80.124077][ T5647] get_tree_bdev+0x358/0x544 [ 80.124699][ T5647] gfs2_get_tree+0x54/0x1b4 [ 80.125325][ T5647] vfs_get_tree+0x90/0x274 [ 80.125982][ T5647] do_new_mount+0x228/0x810 [ 80.126602][ T5647] path_mount+0x5b4/0x1000 [ 80.127327][ T5647] __arm64_sys_mount+0x514/0x5e4 [ 80.128005][ T5647] invoke_syscall+0x98/0x2b8 [ 80.128738][ T5647] el0_svc_common+0x138/0x258 [ 80.129483][ T5647] do_el0_svc+0x58/0x14c [ 80.130104][ T5647] el0_svc+0x78/0x1e0 [ 80.130654][ T5647] el0t_64_sync_handler+0xcc/0xe4 [ 80.131373][ T5647] el0t_64_sync+0x1a0/0x1a4 [ 80.140132][ T5643] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.142197][ T5643] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.145377][ T5645] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.153391][ T5647] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.155237][ T5645] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.155345][ T5647] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.225720][ T5641] loop2: detected capacity change from 0 to 32768 [ 80.232153][ T5641] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.234167][ T5641] CPU: 0 PID: 5641 Comm: syz.2.38 Not tainted syzkaller #0 [ 80.235259][ T5641] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.236761][ T5641] Call trace: [ 80.237248][ T5641] dump_backtrace+0x0/0x43c [ 80.237915][ T5641] show_stack+0x2c/0x3c [ 80.238547][ T5641] __dump_stack+0x30/0x40 [ 80.239186][ T5641] dump_stack_lvl+0xf8/0x160 [ 80.239833][ T5641] dump_stack+0x1c/0x5c [ 80.240431][ T5641] sysfs_create_dir_ns+0x22c/0x24c [ 80.241224][ T5641] kobject_add_internal+0x590/0xc54 [ 80.242003][ T5641] kobject_init_and_add+0x118/0x17c [ 80.242733][ T5641] gfs2_sys_fs_add+0x1dc/0x3d8 [ 80.243430][ T5641] gfs2_fill_super+0xdac/0x19e0 [ 80.244138][ T5641] get_tree_bdev+0x358/0x544 [ 80.244830][ T5641] gfs2_get_tree+0x54/0x1b4 [ 80.245474][ T5641] vfs_get_tree+0x90/0x274 [ 80.246043][ T5641] do_new_mount+0x228/0x810 [ 80.246687][ T5641] path_mount+0x5b4/0x1000 [ 80.247361][ T5641] __arm64_sys_mount+0x514/0x5e4 [ 80.248080][ T5641] invoke_syscall+0x98/0x2b8 [ 80.248766][ T5641] el0_svc_common+0x138/0x258 [ 80.249405][ T5641] do_el0_svc+0x58/0x14c [ 80.250026][ T5641] el0_svc+0x78/0x1e0 [ 80.250594][ T5641] el0t_64_sync_handler+0xcc/0xe4 [ 80.251281][ T5641] el0t_64_sync+0x1a0/0x1a4 [ 80.277656][ T5641] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.279722][ T5641] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:01:20 executed programs: 37 [ 80.354225][ T5647] loop0: detected capacity change from 0 to 32768 [ 80.359944][ T5643] loop1: detected capacity change from 0 to 32768 [ 80.362035][ T5643] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.363101][ T5643] CPU: 1 PID: 5643 Comm: syz.1.39 Not tainted syzkaller #0 [ 80.364139][ T5643] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.365545][ T5643] Call trace: [ 80.366002][ T5643] dump_backtrace+0x0/0x43c [ 80.366676][ T5643] show_stack+0x2c/0x3c [ 80.367265][ T5643] __dump_stack+0x30/0x40 [ 80.367916][ T5643] dump_stack_lvl+0xf8/0x160 [ 80.368529][ T5643] dump_stack+0x1c/0x5c [ 80.369088][ T5643] sysfs_create_dir_ns+0x22c/0x24c [ 80.369777][ T5643] kobject_add_internal+0x590/0xc54 [ 80.370558][ T5643] kobject_init_and_add+0x118/0x17c [ 80.371269][ T5643] gfs2_sys_fs_add+0x1dc/0x3d8 [ 80.371931][ T5643] gfs2_fill_super+0xdac/0x19e0 [ 80.372600][ T5643] get_tree_bdev+0x358/0x544 [ 80.373246][ T5643] gfs2_get_tree+0x54/0x1b4 [ 80.373942][ T5643] vfs_get_tree+0x90/0x274 [ 80.374593][ T5643] do_new_mount+0x228/0x810 [ 80.375230][ T5643] path_mount+0x5b4/0x1000 [ 80.375890][ T5643] __arm64_sys_mount+0x514/0x5e4 [ 80.376605][ T5643] invoke_syscall+0x98/0x2b8 [ 80.377278][ T5643] el0_svc_common+0x138/0x258 [ 80.377933][ T5643] do_el0_svc+0x58/0x14c [ 80.378536][ T5643] el0_svc+0x78/0x1e0 [ 80.379095][ T5643] el0t_64_sync_handler+0xcc/0xe4 [ 80.379794][ T5643] el0t_64_sync+0x1a0/0x1a4 [ 80.386363][ T5647] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.387753][ T5647] CPU: 1 PID: 5647 Comm: syz.0.41 Not tainted syzkaller #0 [ 80.388819][ T5647] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.390334][ T5647] Call trace: [ 80.390832][ T5647] dump_backtrace+0x0/0x43c [ 80.391533][ T5647] show_stack+0x2c/0x3c [ 80.392093][ T5647] __dump_stack+0x30/0x40 [ 80.392731][ T5647] dump_stack_lvl+0xf8/0x160 [ 80.393400][ T5647] dump_stack+0x1c/0x5c [ 80.394087][ T5647] sysfs_create_dir_ns+0x22c/0x24c [ 80.394884][ T5647] kobject_add_internal+0x590/0xc54 [ 80.395665][ T5647] kobject_init_and_add+0x118/0x17c [ 80.396415][ T5647] gfs2_sys_fs_add+0x1dc/0x3d8 [ 80.397082][ T5647] gfs2_fill_super+0xdac/0x19e0 [ 80.397791][ T5647] get_tree_bdev+0x358/0x544 [ 80.398498][ T5647] gfs2_get_tree+0x54/0x1b4 [ 80.399196][ T5647] vfs_get_tree+0x90/0x274 [ 80.399875][ T5647] do_new_mount+0x228/0x810 [ 80.400504][ T5647] path_mount+0x5b4/0x1000 [ 80.401127][ T5647] __arm64_sys_mount+0x514/0x5e4 [ 80.401821][ T5647] invoke_syscall+0x98/0x2b8 [ 80.402532][ T5647] el0_svc_common+0x138/0x258 [ 80.403231][ T5647] do_el0_svc+0x58/0x14c [ 80.403875][ T5647] el0_svc+0x78/0x1e0 [ 80.404438][ T5647] el0t_64_sync_handler+0xcc/0xe4 [ 80.405171][ T5647] el0t_64_sync+0x1a0/0x1a4 [ 80.417503][ T5643] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.420294][ T5643] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.423249][ T5647] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.424994][ T5647] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.555378][ T5645] loop3: detected capacity change from 0 to 32768 [ 80.564426][ T5649] loop2: detected capacity change from 0 to 32768 [ 80.573736][ T5645] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.574896][ T5645] CPU: 0 PID: 5645 Comm: syz.3.40 Not tainted syzkaller #0 [ 80.576086][ T5645] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.577616][ T5645] Call trace: [ 80.578115][ T5645] dump_backtrace+0x0/0x43c [ 80.578756][ T5645] show_stack+0x2c/0x3c [ 80.579347][ T5645] __dump_stack+0x30/0x40 [ 80.580007][ T5645] dump_stack_lvl+0xf8/0x160 [ 80.580717][ T5645] dump_stack+0x1c/0x5c [ 80.581395][ T5645] sysfs_create_dir_ns+0x22c/0x24c [ 80.582175][ T5645] kobject_add_internal+0x590/0xc54 [ 80.582966][ T5645] kobject_init_and_add+0x118/0x17c [ 80.583731][ T5645] gfs2_sys_fs_add+0x1dc/0x3d8 [ 80.584425][ T5645] gfs2_fill_super+0xdac/0x19e0 [ 80.585144][ T5645] get_tree_bdev+0x358/0x544 [ 80.585812][ T5645] gfs2_get_tree+0x54/0x1b4 [ 80.586479][ T5645] vfs_get_tree+0x90/0x274 [ 80.587118][ T5645] do_new_mount+0x228/0x810 [ 80.587743][ T5645] path_mount+0x5b4/0x1000 [ 80.588385][ T5645] __arm64_sys_mount+0x514/0x5e4 [ 80.589093][ T5645] invoke_syscall+0x98/0x2b8 [ 80.589763][ T5645] el0_svc_common+0x138/0x258 [ 80.590516][ T5645] do_el0_svc+0x58/0x14c [ 80.591163][ T5645] el0_svc+0x78/0x1e0 [ 80.591765][ T5645] el0t_64_sync_handler+0xcc/0xe4 [ 80.592545][ T5645] el0t_64_sync+0x1a0/0x1a4 [ 80.594941][ T5649] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.596060][ T5649] CPU: 0 PID: 5649 Comm: syz.2.42 Not tainted syzkaller #0 [ 80.597164][ T5649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.598697][ T5649] Call trace: [ 80.599248][ T5649] dump_backtrace+0x0/0x43c [ 80.599967][ T5649] show_stack+0x2c/0x3c [ 80.600590][ T5649] __dump_stack+0x30/0x40 [ 80.601212][ T5649] dump_stack_lvl+0xf8/0x160 [ 80.601875][ T5649] dump_stack+0x1c/0x5c [ 80.602447][ T5649] sysfs_create_dir_ns+0x22c/0x24c [ 80.603156][ T5649] kobject_add_internal+0x590/0xc54 [ 80.603882][ T5649] kobject_init_and_add+0x118/0x17c [ 80.604634][ T5649] gfs2_sys_fs_add+0x1dc/0x3d8 [ 80.605308][ T5649] gfs2_fill_super+0xdac/0x19e0 [ 80.605987][ T5649] get_tree_bdev+0x358/0x544 [ 80.606627][ T5649] gfs2_get_tree+0x54/0x1b4 [ 80.607305][ T5649] vfs_get_tree+0x90/0x274 [ 80.607889][ T5649] do_new_mount+0x228/0x810 [ 80.608537][ T5649] path_mount+0x5b4/0x1000 [ 80.609175][ T5649] __arm64_sys_mount+0x514/0x5e4 [ 80.609890][ T5649] invoke_syscall+0x98/0x2b8 [ 80.610535][ T5649] el0_svc_common+0x138/0x258 [ 80.611200][ T5649] do_el0_svc+0x58/0x14c [ 80.611789][ T5649] el0_svc+0x78/0x1e0 [ 80.612366][ T5649] el0t_64_sync_handler+0xcc/0xe4 [ 80.613100][ T5649] el0t_64_sync+0x1a0/0x1a4 [ 80.624284][ T5645] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.626328][ T5645] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.627374][ T5649] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.629107][ T5649] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.670375][ T5652] loop1: detected capacity change from 0 to 32768 [ 80.691679][ T5652] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.693045][ T5652] CPU: 1 PID: 5652 Comm: syz.1.43 Not tainted syzkaller #0 [ 80.694030][ T5652] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.695483][ T5652] Call trace: [ 80.695959][ T5652] dump_backtrace+0x0/0x43c [ 80.696606][ T5652] show_stack+0x2c/0x3c [ 80.697195][ T5652] __dump_stack+0x30/0x40 [ 80.697822][ T5652] dump_stack_lvl+0xf8/0x160 [ 80.698494][ T5652] dump_stack+0x1c/0x5c [ 80.699103][ T5652] sysfs_create_dir_ns+0x22c/0x24c [ 80.699905][ T5652] kobject_add_internal+0x590/0xc54 [ 80.700806][ T5652] kobject_init_and_add+0x118/0x17c [ 80.701567][ T5652] gfs2_sys_fs_add+0x1dc/0x3d8 [ 80.702309][ T5652] gfs2_fill_super+0xdac/0x19e0 [ 80.703048][ T5652] get_tree_bdev+0x358/0x544 [ 80.703736][ T5652] gfs2_get_tree+0x54/0x1b4 [ 80.704349][ T5652] vfs_get_tree+0x90/0x274 [ 80.705022][ T5652] do_new_mount+0x228/0x810 [ 80.705696][ T5652] path_mount+0x5b4/0x1000 [ 80.706348][ T5652] __arm64_sys_mount+0x514/0x5e4 [ 80.707055][ T5652] invoke_syscall+0x98/0x2b8 [ 80.707757][ T5652] el0_svc_common+0x138/0x258 [ 80.708430][ T5652] do_el0_svc+0x58/0x14c [ 80.709041][ T5652] el0_svc+0x78/0x1e0 [ 80.709667][ T5652] el0t_64_sync_handler+0xcc/0xe4 [ 80.710471][ T5652] el0t_64_sync+0x1a0/0x1a4 [ 80.726629][ T5652] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.728585][ T5652] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.731238][ T5653] loop0: detected capacity change from 0 to 32768 [ 80.780031][ T5653] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.781146][ T5653] CPU: 1 PID: 5653 Comm: syz.0.44 Not tainted syzkaller #0 [ 80.782238][ T5653] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.783823][ T5653] Call trace: [ 80.784475][ T5653] dump_backtrace+0x0/0x43c [ 80.785145][ T5653] show_stack+0x2c/0x3c [ 80.785745][ T5653] __dump_stack+0x30/0x40 [ 80.786390][ T5653] dump_stack_lvl+0xf8/0x160 [ 80.787014][ T5653] dump_stack+0x1c/0x5c [ 80.787605][ T5653] sysfs_create_dir_ns+0x22c/0x24c [ 80.788295][ T5653] kobject_add_internal+0x590/0xc54 [ 80.789065][ T5653] kobject_init_and_add+0x118/0x17c [ 80.789779][ T5653] gfs2_sys_fs_add+0x1dc/0x3d8 [ 80.790418][ T5653] gfs2_fill_super+0xdac/0x19e0 [ 80.791084][ T5653] get_tree_bdev+0x358/0x544 [ 80.791698][ T5653] gfs2_get_tree+0x54/0x1b4 [ 80.792373][ T5653] vfs_get_tree+0x90/0x274 [ 80.793022][ T5653] do_new_mount+0x228/0x810 [ 80.793592][ T5653] path_mount+0x5b4/0x1000 [ 80.794189][ T5653] __arm64_sys_mount+0x514/0x5e4 [ 80.794877][ T5653] invoke_syscall+0x98/0x2b8 [ 80.795547][ T5653] el0_svc_common+0x138/0x258 [ 80.796264][ T5653] do_el0_svc+0x58/0x14c [ 80.796892][ T5653] el0_svc+0x78/0x1e0 [ 80.797461][ T5653] el0t_64_sync_handler+0xcc/0xe4 [ 80.798203][ T5653] el0t_64_sync+0x1a0/0x1a4 [ 80.829434][ T5653] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.831413][ T5653] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.904527][ T5655] loop3: detected capacity change from 0 to 32768 [ 80.905663][ T5652] loop1: detected capacity change from 0 to 32768 [ 80.920393][ T5655] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.921685][ T5655] CPU: 0 PID: 5655 Comm: syz.3.45 Not tainted syzkaller #0 [ 80.922700][ T5655] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.924173][ T5655] Call trace: [ 80.924650][ T5655] dump_backtrace+0x0/0x43c [ 80.925242][ T5655] show_stack+0x2c/0x3c [ 80.925797][ T5655] __dump_stack+0x30/0x40 [ 80.926394][ T5655] dump_stack_lvl+0xf8/0x160 [ 80.927087][ T5655] dump_stack+0x1c/0x5c [ 80.927695][ T5655] sysfs_create_dir_ns+0x22c/0x24c [ 80.928579][ T5655] kobject_add_internal+0x590/0xc54 [ 80.929311][ T5655] kobject_init_and_add+0x118/0x17c [ 80.930107][ T5655] gfs2_sys_fs_add+0x1dc/0x3d8 [ 80.930810][ T5655] gfs2_fill_super+0xdac/0x19e0 [ 80.931427][ T5655] get_tree_bdev+0x358/0x544 [ 80.932083][ T5655] gfs2_get_tree+0x54/0x1b4 [ 80.932713][ T5655] vfs_get_tree+0x90/0x274 [ 80.933327][ T5655] do_new_mount+0x228/0x810 [ 80.933961][ T5655] path_mount+0x5b4/0x1000 [ 80.934601][ T5655] __arm64_sys_mount+0x514/0x5e4 [ 80.935336][ T5655] invoke_syscall+0x98/0x2b8 [ 80.936009][ T5655] el0_svc_common+0x138/0x258 [ 80.936728][ T5655] do_el0_svc+0x58/0x14c [ 80.937353][ T5655] el0_svc+0x78/0x1e0 [ 80.937954][ T5655] el0t_64_sync_handler+0xcc/0xe4 [ 80.938651][ T5655] el0t_64_sync+0x1a0/0x1a4 [ 80.963342][ T5649] loop2: detected capacity change from 0 to 32768 [ 80.964516][ T5655] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.966335][ T5655] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.970423][ T5652] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.971594][ T5652] CPU: 1 PID: 5652 Comm: syz.1.43 Not tainted syzkaller #0 [ 80.972613][ T5652] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.974102][ T5652] Call trace: [ 80.974564][ T5652] dump_backtrace+0x0/0x43c [ 80.975154][ T5652] show_stack+0x2c/0x3c [ 80.975742][ T5652] __dump_stack+0x30/0x40 [ 80.976347][ T5652] dump_stack_lvl+0xf8/0x160 [ 80.976998][ T5652] dump_stack+0x1c/0x5c [ 80.977595][ T5652] sysfs_create_dir_ns+0x22c/0x24c [ 80.978311][ T5652] kobject_add_internal+0x590/0xc54 [ 80.979075][ T5652] kobject_init_and_add+0x118/0x17c [ 80.979808][ T5652] gfs2_sys_fs_add+0x1dc/0x3d8 [ 80.980474][ T5652] gfs2_fill_super+0xdac/0x19e0 [ 80.981126][ T5652] get_tree_bdev+0x358/0x544 [ 80.981765][ T5652] gfs2_get_tree+0x54/0x1b4 [ 80.982406][ T5652] vfs_get_tree+0x90/0x274 [ 80.983008][ T5652] do_new_mount+0x228/0x810 [ 80.983657][ T5652] path_mount+0x5b4/0x1000 [ 80.984268][ T5652] __arm64_sys_mount+0x514/0x5e4 [ 80.984939][ T5652] invoke_syscall+0x98/0x2b8 [ 80.985611][ T5652] el0_svc_common+0x138/0x258 [ 80.986304][ T5652] do_el0_svc+0x58/0x14c [ 80.986897][ T5652] el0_svc+0x78/0x1e0 [ 80.987469][ T5652] el0t_64_sync_handler+0xcc/0xe4 [ 80.988231][ T5652] el0t_64_sync+0x1a0/0x1a4 [ 80.990426][ T5652] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.992399][ T5652] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.005931][ T5653] loop0: detected capacity change from 0 to 32768 [ 81.038810][ T5653] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.040010][ T5653] CPU: 0 PID: 5653 Comm: syz.0.44 Not tainted syzkaller #0 [ 81.041076][ T5653] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.042560][ T5653] Call trace: [ 81.043016][ T5653] dump_backtrace+0x0/0x43c [ 81.043704][ T5653] show_stack+0x2c/0x3c [ 81.044291][ T5653] __dump_stack+0x30/0x40 [ 81.044937][ T5653] dump_stack_lvl+0xf8/0x160 [ 81.045595][ T5653] dump_stack+0x1c/0x5c [ 81.046220][ T5653] sysfs_create_dir_ns+0x22c/0x24c [ 81.046936][ T5653] kobject_add_internal+0x590/0xc54 [ 81.047721][ T5653] kobject_init_and_add+0x118/0x17c [ 81.048454][ T5653] gfs2_sys_fs_add+0x1dc/0x3d8 [ 81.049133][ T5653] gfs2_fill_super+0xdac/0x19e0 [ 81.049827][ T5653] get_tree_bdev+0x358/0x544 [ 81.050481][ T5653] gfs2_get_tree+0x54/0x1b4 [ 81.051119][ T5653] vfs_get_tree+0x90/0x274 [ 81.051765][ T5653] do_new_mount+0x228/0x810 [ 81.052404][ T5653] path_mount+0x5b4/0x1000 [ 81.053029][ T5653] __arm64_sys_mount+0x514/0x5e4 [ 81.053739][ T5653] invoke_syscall+0x98/0x2b8 [ 81.054400][ T5653] el0_svc_common+0x138/0x258 [ 81.055040][ T5653] do_el0_svc+0x58/0x14c [ 81.055650][ T5653] el0_svc+0x78/0x1e0 [ 81.056202][ T5653] el0t_64_sync_handler+0xcc/0xe4 [ 81.056983][ T5653] el0t_64_sync+0x1a0/0x1a4 [ 81.059697][ T5653] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.061625][ T5653] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.068096][ T5649] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.069294][ T5649] CPU: 0 PID: 5649 Comm: syz.2.42 Not tainted syzkaller #0 [ 81.070317][ T5649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.071793][ T5649] Call trace: [ 81.072233][ T5649] dump_backtrace+0x0/0x43c [ 81.072941][ T5649] show_stack+0x2c/0x3c [ 81.073500][ T5649] __dump_stack+0x30/0x40 [ 81.074127][ T5649] dump_stack_lvl+0xf8/0x160 [ 81.074785][ T5649] dump_stack+0x1c/0x5c [ 81.075361][ T5649] sysfs_create_dir_ns+0x22c/0x24c [ 81.076127][ T5649] kobject_add_internal+0x590/0xc54 [ 81.076866][ T5649] kobject_init_and_add+0x118/0x17c [ 81.077633][ T5649] gfs2_sys_fs_add+0x1dc/0x3d8 [ 81.078373][ T5649] gfs2_fill_super+0xdac/0x19e0 [ 81.079046][ T5649] get_tree_bdev+0x358/0x544 [ 81.079670][ T5649] gfs2_get_tree+0x54/0x1b4 [ 81.080337][ T5649] vfs_get_tree+0x90/0x274 [ 81.080945][ T5649] do_new_mount+0x228/0x810 [ 81.081557][ T5649] path_mount+0x5b4/0x1000 [ 81.082180][ T5649] __arm64_sys_mount+0x514/0x5e4 [ 81.082877][ T5649] invoke_syscall+0x98/0x2b8 [ 81.083533][ T5649] el0_svc_common+0x138/0x258 [ 81.084220][ T5649] do_el0_svc+0x58/0x14c [ 81.084848][ T5649] el0_svc+0x78/0x1e0 [ 81.085434][ T5649] el0t_64_sync_handler+0xcc/0xe4 [ 81.086153][ T5649] el0t_64_sync+0x1a0/0x1a4 [ 81.089582][ T5649] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.091691][ T5649] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.105370][ T5655] loop3: detected capacity change from 0 to 32768 [ 81.140347][ T5655] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.141485][ T5655] CPU: 1 PID: 5655 Comm: syz.3.45 Not tainted syzkaller #0 [ 81.142460][ T5655] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.143900][ T5655] Call trace: [ 81.144402][ T5655] dump_backtrace+0x0/0x43c [ 81.145062][ T5655] show_stack+0x2c/0x3c [ 81.145669][ T5655] __dump_stack+0x30/0x40 [ 81.146332][ T5655] dump_stack_lvl+0xf8/0x160 [ 81.147017][ T5655] dump_stack+0x1c/0x5c [ 81.147585][ T5655] sysfs_create_dir_ns+0x22c/0x24c [ 81.148295][ T5655] kobject_add_internal+0x590/0xc54 [ 81.149018][ T5655] kobject_init_and_add+0x118/0x17c [ 81.149756][ T5655] gfs2_sys_fs_add+0x1dc/0x3d8 [ 81.150410][ T5655] gfs2_fill_super+0xdac/0x19e0 [ 81.151112][ T5655] get_tree_bdev+0x358/0x544 [ 81.151799][ T5655] gfs2_get_tree+0x54/0x1b4 [ 81.152472][ T5655] vfs_get_tree+0x90/0x274 [ 81.153086][ T5655] do_new_mount+0x228/0x810 [ 81.153737][ T5655] path_mount+0x5b4/0x1000 [ 81.154412][ T5655] __arm64_sys_mount+0x514/0x5e4 [ 81.155102][ T5655] invoke_syscall+0x98/0x2b8 [ 81.155755][ T5655] el0_svc_common+0x138/0x258 [ 81.156447][ T5655] do_el0_svc+0x58/0x14c [ 81.157045][ T5655] el0_svc+0x78/0x1e0 [ 81.157596][ T5655] el0t_64_sync_handler+0xcc/0xe4 [ 81.158349][ T5655] el0t_64_sync+0x1a0/0x1a4 [ 81.182063][ T5655] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.184067][ T5655] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.344054][ T5659] loop1: detected capacity change from 0 to 32768 [ 81.365943][ T5657] loop2: detected capacity change from 0 to 32768 [ 81.380896][ T5659] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.382069][ T5659] CPU: 0 PID: 5659 Comm: syz.1.47 Not tainted syzkaller #0 [ 81.383103][ T5659] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.384591][ T5659] Call trace: [ 81.385058][ T5659] dump_backtrace+0x0/0x43c [ 81.385680][ T5659] show_stack+0x2c/0x3c [ 81.386272][ T5659] __dump_stack+0x30/0x40 [ 81.386915][ T5659] dump_stack_lvl+0xf8/0x160 [ 81.387567][ T5659] dump_stack+0x1c/0x5c [ 81.388162][ T5659] sysfs_create_dir_ns+0x22c/0x24c [ 81.388946][ T5659] kobject_add_internal+0x590/0xc54 [ 81.389729][ T5659] kobject_init_and_add+0x118/0x17c [ 81.390466][ T5659] gfs2_sys_fs_add+0x1dc/0x3d8 [ 81.391173][ T5659] gfs2_fill_super+0xdac/0x19e0 [ 81.391906][ T5659] get_tree_bdev+0x358/0x544 [ 81.392550][ T5659] gfs2_get_tree+0x54/0x1b4 [ 81.393197][ T5659] vfs_get_tree+0x90/0x274 [ 81.393775][ T5659] do_new_mount+0x228/0x810 [ 81.394446][ T5659] path_mount+0x5b4/0x1000 [ 81.395022][ T5659] __arm64_sys_mount+0x514/0x5e4 [ 81.395686][ T5659] invoke_syscall+0x98/0x2b8 [ 81.396309][ T5659] el0_svc_common+0x138/0x258 [ 81.396943][ T5659] do_el0_svc+0x58/0x14c [ 81.397536][ T5659] el0_svc+0x78/0x1e0 [ 81.398105][ T5659] el0t_64_sync_handler+0xcc/0xe4 [ 81.398757][ T5659] el0t_64_sync+0x1a0/0x1a4 [ 81.416395][ T5663] loop0: detected capacity change from 0 to 32768 [ 81.417797][ T5659] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.419693][ T5659] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.423309][ T5661] loop3: detected capacity change from 0 to 32768 [ 81.427364][ T5657] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.428462][ T5657] CPU: 1 PID: 5657 Comm: syz.2.46 Not tainted syzkaller #0 [ 81.429469][ T5657] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.430937][ T5657] Call trace: [ 81.431419][ T5657] dump_backtrace+0x0/0x43c [ 81.432037][ T5657] show_stack+0x2c/0x3c [ 81.432609][ T5657] __dump_stack+0x30/0x40 [ 81.433241][ T5657] dump_stack_lvl+0xf8/0x160 [ 81.433879][ T5657] dump_stack+0x1c/0x5c [ 81.434494][ T5657] sysfs_create_dir_ns+0x22c/0x24c [ 81.435248][ T5657] kobject_add_internal+0x590/0xc54 [ 81.436005][ T5657] kobject_init_and_add+0x118/0x17c [ 81.436723][ T5657] gfs2_sys_fs_add+0x1dc/0x3d8 [ 81.437375][ T5657] gfs2_fill_super+0xdac/0x19e0 [ 81.438056][ T5657] get_tree_bdev+0x358/0x544 [ 81.438731][ T5657] gfs2_get_tree+0x54/0x1b4 [ 81.439386][ T5657] vfs_get_tree+0x90/0x274 [ 81.440050][ T5657] do_new_mount+0x228/0x810 [ 81.440681][ T5657] path_mount+0x5b4/0x1000 [ 81.441301][ T5657] __arm64_sys_mount+0x514/0x5e4 [ 81.441960][ T5657] invoke_syscall+0x98/0x2b8 [ 81.442562][ T5657] el0_svc_common+0x138/0x258 [ 81.443242][ T5657] do_el0_svc+0x58/0x14c [ 81.443821][ T5657] el0_svc+0x78/0x1e0 [ 81.444350][ T5657] el0t_64_sync_handler+0xcc/0xe4 [ 81.445029][ T5657] el0t_64_sync+0x1a0/0x1a4 [ 81.452231][ T5657] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.454107][ T5657] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.467290][ T5661] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.467424][ T5663] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.468391][ T5661] CPU: 1 PID: 5661 Comm: syz.3.48 Not tainted syzkaller #0 [ 81.470513][ T5661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.471995][ T5661] Call trace: [ 81.472423][ T5661] dump_backtrace+0x0/0x43c [ 81.473073][ T5661] show_stack+0x2c/0x3c [ 81.473644][ T5661] __dump_stack+0x30/0x40 [ 81.474282][ T5661] dump_stack_lvl+0xf8/0x160 [ 81.474941][ T5661] dump_stack+0x1c/0x5c [ 81.475510][ T5661] sysfs_create_dir_ns+0x22c/0x24c [ 81.476224][ T5661] kobject_add_internal+0x590/0xc54 [ 81.476985][ T5661] kobject_init_and_add+0x118/0x17c [ 81.477739][ T5661] gfs2_sys_fs_add+0x1dc/0x3d8 [ 81.478453][ T5661] gfs2_fill_super+0xdac/0x19e0 [ 81.479175][ T5661] get_tree_bdev+0x358/0x544 [ 81.479802][ T5661] gfs2_get_tree+0x54/0x1b4 [ 81.480411][ T5661] vfs_get_tree+0x90/0x274 [ 81.481048][ T5661] do_new_mount+0x228/0x810 [ 81.481667][ T5661] path_mount+0x5b4/0x1000 [ 81.482236][ T5661] __arm64_sys_mount+0x514/0x5e4 [ 81.482922][ T5661] invoke_syscall+0x98/0x2b8 [ 81.483578][ T5661] el0_svc_common+0x138/0x258 [ 81.484232][ T5661] do_el0_svc+0x58/0x14c [ 81.484815][ T5661] el0_svc+0x78/0x1e0 [ 81.485425][ T5661] el0t_64_sync_handler+0xcc/0xe4 [ 81.486158][ T5661] el0t_64_sync+0x1a0/0x1a4 [ 81.486857][ T5663] CPU: 0 PID: 5663 Comm: syz.0.49 Not tainted syzkaller #0 [ 81.487969][ T5663] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.489375][ T5663] Call trace: [ 81.489826][ T5663] dump_backtrace+0x0/0x43c [ 81.490476][ T5663] show_stack+0x2c/0x3c [ 81.491091][ T5663] __dump_stack+0x30/0x40 [ 81.491721][ T5663] dump_stack_lvl+0xf8/0x160 [ 81.492343][ T5663] dump_stack+0x1c/0x5c [ 81.492911][ T5663] sysfs_create_dir_ns+0x22c/0x24c [ 81.493635][ T5663] kobject_add_internal+0x590/0xc54 [ 81.494408][ T5663] kobject_init_and_add+0x118/0x17c [ 81.495187][ T5663] gfs2_sys_fs_add+0x1dc/0x3d8 [ 81.495903][ T5663] gfs2_fill_super+0xdac/0x19e0 [ 81.496604][ T5663] get_tree_bdev+0x358/0x544 [ 81.497284][ T5663] gfs2_get_tree+0x54/0x1b4 [ 81.497921][ T5663] vfs_get_tree+0x90/0x274 [ 81.498567][ T5663] do_new_mount+0x228/0x810 [ 81.499225][ T5663] path_mount+0x5b4/0x1000 [ 81.499869][ T5663] __arm64_sys_mount+0x514/0x5e4 [ 81.500561][ T5663] invoke_syscall+0x98/0x2b8 [ 81.501236][ T5663] el0_svc_common+0x138/0x258 [ 81.501898][ T5663] do_el0_svc+0x58/0x14c [ 81.502544][ T5663] el0_svc+0x78/0x1e0 [ 81.503126][ T5663] el0t_64_sync_handler+0xcc/0xe4 [ 81.503889][ T5663] el0t_64_sync+0x1a0/0x1a4 [ 81.505160][ T5661] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.515298][ T5661] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.547617][ T5663] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.550114][ T5663] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.641569][ T5659] loop1: detected capacity change from 0 to 32768 [ 81.659024][ T5659] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.660364][ T5659] CPU: 1 PID: 5659 Comm: syz.1.47 Not tainted syzkaller #0 [ 81.661397][ T5659] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.662877][ T5659] Call trace: [ 81.663320][ T5659] dump_backtrace+0x0/0x43c [ 81.663932][ T5659] show_stack+0x2c/0x3c [ 81.664495][ T5659] __dump_stack+0x30/0x40 [ 81.665180][ T5659] dump_stack_lvl+0xf8/0x160 [ 81.665821][ T5659] dump_stack+0x1c/0x5c [ 81.666390][ T5659] sysfs_create_dir_ns+0x22c/0x24c [ 81.667055][ T5659] kobject_add_internal+0x590/0xc54 [ 81.667771][ T5659] kobject_init_and_add+0x118/0x17c [ 81.668494][ T5659] gfs2_sys_fs_add+0x1dc/0x3d8 [ 81.669152][ T5659] gfs2_fill_super+0xdac/0x19e0 [ 81.669828][ T5659] get_tree_bdev+0x358/0x544 [ 81.670423][ T5659] gfs2_get_tree+0x54/0x1b4 [ 81.671021][ T5659] vfs_get_tree+0x90/0x274 [ 81.671596][ T5659] do_new_mount+0x228/0x810 [ 81.672208][ T5659] path_mount+0x5b4/0x1000 [ 81.672821][ T5659] __arm64_sys_mount+0x514/0x5e4 [ 81.673466][ T5659] invoke_syscall+0x98/0x2b8 [ 81.674075][ T5659] el0_svc_common+0x138/0x258 [ 81.674724][ T5659] do_el0_svc+0x58/0x14c [ 81.675284][ T5659] el0_svc+0x78/0x1e0 [ 81.675814][ T5659] el0t_64_sync_handler+0xcc/0xe4 [ 81.676512][ T5659] el0t_64_sync+0x1a0/0x1a4 [ 81.708840][ T5659] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.710753][ T5659] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.714176][ T5657] loop2: detected capacity change from 0 to 32768 [ 81.723109][ T5657] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.724205][ T5657] CPU: 0 PID: 5657 Comm: syz.2.46 Not tainted syzkaller #0 [ 81.725165][ T5657] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.726581][ T5657] Call trace: [ 81.727102][ T5657] dump_backtrace+0x0/0x43c [ 81.727769][ T5657] show_stack+0x2c/0x3c [ 81.728336][ T5657] __dump_stack+0x30/0x40 [ 81.728981][ T5657] dump_stack_lvl+0xf8/0x160 [ 81.729599][ T5657] dump_stack+0x1c/0x5c [ 81.729702][ T5661] loop3: detected capacity change from 0 to 32768 [ 81.730165][ T5657] sysfs_create_dir_ns+0x22c/0x24c [ 81.731800][ T5657] kobject_add_internal+0x590/0xc54 [ 81.732526][ T5657] kobject_init_and_add+0x118/0x17c [ 81.733282][ T5657] gfs2_sys_fs_add+0x1dc/0x3d8 [ 81.733935][ T5657] gfs2_fill_super+0xdac/0x19e0 [ 81.734636][ T5657] get_tree_bdev+0x358/0x544 [ 81.735293][ T5657] gfs2_get_tree+0x54/0x1b4 [ 81.735947][ T5657] vfs_get_tree+0x90/0x274 [ 81.736546][ T5657] do_new_mount+0x228/0x810 [ 81.737155][ T5657] path_mount+0x5b4/0x1000 [ 81.737777][ T5657] __arm64_sys_mount+0x514/0x5e4 [ 81.738479][ T5657] invoke_syscall+0x98/0x2b8 [ 81.739137][ T5657] el0_svc_common+0x138/0x258 [ 81.739795][ T5657] do_el0_svc+0x58/0x14c [ 81.740373][ T5657] el0_svc+0x78/0x1e0 [ 81.740966][ T5657] el0t_64_sync_handler+0xcc/0xe4 [ 81.741645][ T5657] el0t_64_sync+0x1a0/0x1a4 [ 81.745141][ T5657] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.747842][ T5657] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.772696][ T5663] loop0: detected capacity change from 0 to 32768 [ 81.785004][ T5661] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.786173][ T5661] CPU: 1 PID: 5661 Comm: syz.3.48 Not tainted syzkaller #0 [ 81.787304][ T5661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.788787][ T5661] Call trace: [ 81.789262][ T5661] dump_backtrace+0x0/0x43c [ 81.789969][ T5661] show_stack+0x2c/0x3c [ 81.790530][ T5661] __dump_stack+0x30/0x40 [ 81.791203][ T5661] dump_stack_lvl+0xf8/0x160 [ 81.791892][ T5661] dump_stack+0x1c/0x5c [ 81.792503][ T5661] sysfs_create_dir_ns+0x22c/0x24c [ 81.793230][ T5661] kobject_add_internal+0x590/0xc54 [ 81.793955][ T5661] kobject_init_and_add+0x118/0x17c [ 81.794783][ T5661] gfs2_sys_fs_add+0x1dc/0x3d8 [ 81.795444][ T5661] gfs2_fill_super+0xdac/0x19e0 [ 81.796145][ T5661] get_tree_bdev+0x358/0x544 [ 81.796803][ T5661] gfs2_get_tree+0x54/0x1b4 [ 81.797416][ T5661] vfs_get_tree+0x90/0x274 [ 81.798057][ T5661] do_new_mount+0x228/0x810 [ 81.798746][ T5661] path_mount+0x5b4/0x1000 [ 81.799445][ T5661] __arm64_sys_mount+0x514/0x5e4 [ 81.800179][ T5661] invoke_syscall+0x98/0x2b8 [ 81.800885][ T5661] el0_svc_common+0x138/0x258 [ 81.801583][ T5661] do_el0_svc+0x58/0x14c [ 81.802233][ T5661] el0_svc+0x78/0x1e0 [ 81.802856][ T5661] el0t_64_sync_handler+0xcc/0xe4 [ 81.803569][ T5661] el0t_64_sync+0x1a0/0x1a4 [ 81.814289][ T5661] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.816905][ T5661] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.838987][ T5663] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.840288][ T5663] CPU: 0 PID: 5663 Comm: syz.0.49 Not tainted syzkaller #0 [ 81.841327][ T5663] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.842826][ T5663] Call trace: [ 81.843364][ T5663] dump_backtrace+0x0/0x43c [ 81.844039][ T5663] show_stack+0x2c/0x3c [ 81.844638][ T5663] __dump_stack+0x30/0x40 [ 81.845301][ T5663] dump_stack_lvl+0xf8/0x160 [ 81.846004][ T5663] dump_stack+0x1c/0x5c [ 81.846644][ T5663] sysfs_create_dir_ns+0x22c/0x24c [ 81.847448][ T5663] kobject_add_internal+0x590/0xc54 [ 81.848253][ T5663] kobject_init_and_add+0x118/0x17c [ 81.849016][ T5663] gfs2_sys_fs_add+0x1dc/0x3d8 [ 81.849723][ T5663] gfs2_fill_super+0xdac/0x19e0 [ 81.850384][ T5663] get_tree_bdev+0x358/0x544 [ 81.851082][ T5663] gfs2_get_tree+0x54/0x1b4 [ 81.851761][ T5663] vfs_get_tree+0x90/0x274 [ 81.852409][ T5663] do_new_mount+0x228/0x810 [ 81.853105][ T5663] path_mount+0x5b4/0x1000 [ 81.853804][ T5663] __arm64_sys_mount+0x514/0x5e4 [ 81.854516][ T5663] invoke_syscall+0x98/0x2b8 [ 81.855224][ T5663] el0_svc_common+0x138/0x258 [ 81.856025][ T5663] do_el0_svc+0x58/0x14c [ 81.856681][ T5663] el0_svc+0x78/0x1e0 [ 81.857223][ T5663] el0t_64_sync_handler+0xcc/0xe4 [ 81.857951][ T5663] el0t_64_sync+0x1a0/0x1a4 [ 81.880741][ T5663] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.886867][ T5663] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.959117][ T5665] loop2: detected capacity change from 0 to 32768 [ 81.987089][ T5665] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.988255][ T5665] CPU: 0 PID: 5665 Comm: syz.2.50 Not tainted syzkaller #0 [ 81.989278][ T5665] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.990664][ T5665] Call trace: [ 81.991094][ T5665] dump_backtrace+0x0/0x43c [ 81.991743][ T5665] show_stack+0x2c/0x3c [ 81.992318][ T5665] __dump_stack+0x30/0x40 [ 81.992906][ T5665] dump_stack_lvl+0xf8/0x160 [ 81.993564][ T5665] dump_stack+0x1c/0x5c [ 81.994155][ T5665] sysfs_create_dir_ns+0x22c/0x24c [ 81.994886][ T5665] kobject_add_internal+0x590/0xc54 [ 81.995633][ T5665] kobject_init_and_add+0x118/0x17c [ 81.996401][ T5665] gfs2_sys_fs_add+0x1dc/0x3d8 [ 81.997107][ T5665] gfs2_fill_super+0xdac/0x19e0 [ 81.997800][ T5665] get_tree_bdev+0x358/0x544 [ 81.998457][ T5665] gfs2_get_tree+0x54/0x1b4 [ 81.999079][ T5665] vfs_get_tree+0x90/0x274 [ 81.999729][ T5665] do_new_mount+0x228/0x810 [ 82.000386][ T5665] path_mount+0x5b4/0x1000 [ 82.001003][ T5665] __arm64_sys_mount+0x514/0x5e4 [ 82.001754][ T5665] invoke_syscall+0x98/0x2b8 [ 82.002430][ T5665] el0_svc_common+0x138/0x258 [ 82.003118][ T5665] do_el0_svc+0x58/0x14c [ 82.003732][ T5665] el0_svc+0x78/0x1e0 [ 82.004306][ T5665] el0t_64_sync_handler+0xcc/0xe4 [ 82.004992][ T5665] el0t_64_sync+0x1a0/0x1a4 [ 82.028690][ T5665] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.030583][ T5665] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.080710][ T5667] loop3: detected capacity change from 0 to 32768 [ 82.103944][ T5671] loop0: detected capacity change from 0 to 32768 [ 82.110556][ T5669] loop1: detected capacity change from 0 to 32768 [ 82.142621][ T5667] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.143798][ T5667] CPU: 1 PID: 5667 Comm: syz.3.51 Not tainted syzkaller #0 [ 82.144852][ T5667] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.146376][ T5667] Call trace: [ 82.146882][ T5667] dump_backtrace+0x0/0x43c [ 82.147575][ T5667] show_stack+0x2c/0x3c [ 82.148183][ T5667] __dump_stack+0x30/0x40 [ 82.148789][ T5667] dump_stack_lvl+0xf8/0x160 [ 82.149452][ T5667] dump_stack+0x1c/0x5c [ 82.150036][ T5667] sysfs_create_dir_ns+0x22c/0x24c [ 82.150742][ T5667] kobject_add_internal+0x590/0xc54 [ 82.151463][ T5667] kobject_init_and_add+0x118/0x17c [ 82.152198][ T5667] gfs2_sys_fs_add+0x1dc/0x3d8 [ 82.152881][ T5667] gfs2_fill_super+0xdac/0x19e0 [ 82.153531][ T5667] get_tree_bdev+0x358/0x544 [ 82.154191][ T5667] gfs2_get_tree+0x54/0x1b4 [ 82.154814][ T5667] vfs_get_tree+0x90/0x274 [ 82.155450][ T5667] do_new_mount+0x228/0x810 [ 82.156131][ T5667] path_mount+0x5b4/0x1000 [ 82.156734][ T5667] __arm64_sys_mount+0x514/0x5e4 [ 82.157417][ T5667] invoke_syscall+0x98/0x2b8 [ 82.158049][ T5667] el0_svc_common+0x138/0x258 [ 82.158695][ T5667] do_el0_svc+0x58/0x14c [ 82.159324][ T5667] el0_svc+0x78/0x1e0 [ 82.159915][ T5667] el0t_64_sync_handler+0xcc/0xe4 [ 82.160680][ T5667] el0t_64_sync+0x1a0/0x1a4 [ 82.167169][ T5671] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.167871][ T5669] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.168251][ T5671] CPU: 0 PID: 5671 Comm: syz.0.53 Not tainted syzkaller #0 [ 82.170273][ T5671] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.171649][ T5671] Call trace: [ 82.172083][ T5671] dump_backtrace+0x0/0x43c [ 82.172661][ T5671] show_stack+0x2c/0x3c [ 82.173241][ T5671] __dump_stack+0x30/0x40 [ 82.173813][ T5671] dump_stack_lvl+0xf8/0x160 [ 82.174469][ T5671] dump_stack+0x1c/0x5c [ 82.175033][ T5671] sysfs_create_dir_ns+0x22c/0x24c [ 82.175751][ T5671] kobject_add_internal+0x590/0xc54 [ 82.176479][ T5671] kobject_init_and_add+0x118/0x17c [ 82.177218][ T5671] gfs2_sys_fs_add+0x1dc/0x3d8 [ 82.177940][ T5671] gfs2_fill_super+0xdac/0x19e0 [ 82.178613][ T5671] get_tree_bdev+0x358/0x544 [ 82.179239][ T5671] gfs2_get_tree+0x54/0x1b4 [ 82.179887][ T5671] vfs_get_tree+0x90/0x274 [ 82.180503][ T5671] do_new_mount+0x228/0x810 [ 82.181106][ T5671] path_mount+0x5b4/0x1000 [ 82.181704][ T5671] __arm64_sys_mount+0x514/0x5e4 [ 82.182396][ T5671] invoke_syscall+0x98/0x2b8 [ 82.183046][ T5671] el0_svc_common+0x138/0x258 [ 82.183712][ T5671] do_el0_svc+0x58/0x14c [ 82.184313][ T5671] el0_svc+0x78/0x1e0 [ 82.184818][ T5671] el0t_64_sync_handler+0xcc/0xe4 [ 82.185497][ T5671] el0t_64_sync+0x1a0/0x1a4 [ 82.189817][ T5665] loop2: detected capacity change from 0 to 32768 [ 82.194105][ T5669] CPU: 1 PID: 5669 Comm: syz.1.52 Not tainted syzkaller #0 [ 82.195224][ T5669] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.196794][ T5669] Call trace: [ 82.197278][ T5669] dump_backtrace+0x0/0x43c [ 82.197943][ T5669] show_stack+0x2c/0x3c [ 82.198560][ T5669] __dump_stack+0x30/0x40 [ 82.199169][ T5669] dump_stack_lvl+0xf8/0x160 [ 82.199780][ T5669] dump_stack+0x1c/0x5c [ 82.200353][ T5669] sysfs_create_dir_ns+0x22c/0x24c [ 82.200749][ T5671] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.201051][ T5669] kobject_add_internal+0x590/0xc54 [ 82.203064][ T5671] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.203745][ T5669] kobject_init_and_add+0x118/0x17c [ 82.205311][ T5669] gfs2_sys_fs_add+0x1dc/0x3d8 [ 82.205959][ T5669] gfs2_fill_super+0xdac/0x19e0 [ 82.206657][ T5669] get_tree_bdev+0x358/0x544 [ 82.207291][ T5669] gfs2_get_tree+0x54/0x1b4 [ 82.207921][ T5669] vfs_get_tree+0x90/0x274 [ 82.208513][ T5669] do_new_mount+0x228/0x810 [ 82.209158][ T5669] path_mount+0x5b4/0x1000 [ 82.209827][ T5669] __arm64_sys_mount+0x514/0x5e4 [ 82.210554][ T5669] invoke_syscall+0x98/0x2b8 [ 82.211210][ T5669] el0_svc_common+0x138/0x258 [ 82.211817][ T5667] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.211845][ T5669] do_el0_svc+0x58/0x14c [ 82.213733][ T5667] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.214305][ T5669] el0_svc+0x78/0x1e0 [ 82.215789][ T5669] el0t_64_sync_handler+0xcc/0xe4 [ 82.216522][ T5669] el0t_64_sync+0x1a0/0x1a4 [ 82.220431][ T5669] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.222396][ T5669] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.277441][ T5665] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.278589][ T5665] CPU: 1 PID: 5665 Comm: syz.2.50 Not tainted syzkaller #0 [ 82.279694][ T5665] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.281211][ T5665] Call trace: [ 82.281650][ T5665] dump_backtrace+0x0/0x43c [ 82.282303][ T5665] show_stack+0x2c/0x3c [ 82.282983][ T5665] __dump_stack+0x30/0x40 [ 82.283610][ T5665] dump_stack_lvl+0xf8/0x160 [ 82.284294][ T5665] dump_stack+0x1c/0x5c [ 82.284898][ T5665] sysfs_create_dir_ns+0x22c/0x24c [ 82.285701][ T5665] kobject_add_internal+0x590/0xc54 [ 82.286434][ T5665] kobject_init_and_add+0x118/0x17c [ 82.287167][ T5665] gfs2_sys_fs_add+0x1dc/0x3d8 [ 82.287808][ T5665] gfs2_fill_super+0xdac/0x19e0 [ 82.288458][ T5665] get_tree_bdev+0x358/0x544 [ 82.289077][ T5665] gfs2_get_tree+0x54/0x1b4 [ 82.289709][ T5665] vfs_get_tree+0x90/0x274 [ 82.290382][ T5665] do_new_mount+0x228/0x810 [ 82.291015][ T5665] path_mount+0x5b4/0x1000 [ 82.291649][ T5665] __arm64_sys_mount+0x514/0x5e4 [ 82.292332][ T5665] invoke_syscall+0x98/0x2b8 [ 82.292999][ T5665] el0_svc_common+0x138/0x258 [ 82.293646][ T5665] do_el0_svc+0x58/0x14c [ 82.294287][ T5665] el0_svc+0x78/0x1e0 [ 82.294961][ T5665] el0t_64_sync_handler+0xcc/0xe4 [ 82.295779][ T5665] el0t_64_sync+0x1a0/0x1a4 [ 82.317414][ T5665] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.319506][ T5665] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.357657][ T5667] loop3: detected capacity change from 0 to 32768 [ 82.387776][ T5667] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.388988][ T5667] CPU: 0 PID: 5667 Comm: syz.3.51 Not tainted syzkaller #0 [ 82.390040][ T5667] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.391591][ T5667] Call trace: [ 82.392051][ T5667] dump_backtrace+0x0/0x43c [ 82.392685][ T5667] show_stack+0x2c/0x3c [ 82.393233][ T5667] __dump_stack+0x30/0x40 [ 82.393846][ T5667] dump_stack_lvl+0xf8/0x160 [ 82.394519][ T5667] dump_stack+0x1c/0x5c [ 82.395072][ T5667] sysfs_create_dir_ns+0x22c/0x24c [ 82.395734][ T5667] kobject_add_internal+0x590/0xc54 [ 82.396518][ T5667] kobject_init_and_add+0x118/0x17c [ 82.397311][ T5667] gfs2_sys_fs_add+0x1dc/0x3d8 [ 82.397951][ T5667] gfs2_fill_super+0xdac/0x19e0 [ 82.398628][ T5667] get_tree_bdev+0x358/0x544 [ 82.399257][ T5667] gfs2_get_tree+0x54/0x1b4 [ 82.399911][ T5667] vfs_get_tree+0x90/0x274 [ 82.400550][ T5667] do_new_mount+0x228/0x810 [ 82.401211][ T5667] path_mount+0x5b4/0x1000 [ 82.401899][ T5667] __arm64_sys_mount+0x514/0x5e4 [ 82.402605][ T5667] invoke_syscall+0x98/0x2b8 [ 82.403247][ T5667] el0_svc_common+0x138/0x258 [ 82.403867][ T5667] do_el0_svc+0x58/0x14c [ 82.404462][ T5667] el0_svc+0x78/0x1e0 [ 82.404995][ T5667] el0t_64_sync_handler+0xcc/0xe4 [ 82.405697][ T5667] el0t_64_sync+0x1a0/0x1a4 [ 82.426604][ T5667] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.429436][ T5667] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.598112][ T5671] loop0: detected capacity change from 0 to 32768 [ 82.622939][ T5673] loop2: detected capacity change from 0 to 32768 [ 82.629544][ T5669] loop1: detected capacity change from 0 to 32768 [ 82.649871][ T5671] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.651116][ T5671] CPU: 0 PID: 5671 Comm: syz.0.53 Not tainted syzkaller #0 [ 82.652182][ T5671] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.653848][ T5671] Call trace: [ 82.654366][ T5671] dump_backtrace+0x0/0x43c [ 82.655060][ T5671] show_stack+0x2c/0x3c [ 82.655666][ T5671] __dump_stack+0x30/0x40 [ 82.656304][ T5671] dump_stack_lvl+0xf8/0x160 [ 82.656934][ T5671] dump_stack+0x1c/0x5c [ 82.657511][ T5671] sysfs_create_dir_ns+0x22c/0x24c [ 82.658207][ T5671] kobject_add_internal+0x590/0xc54 [ 82.658920][ T5671] kobject_init_and_add+0x118/0x17c [ 82.659621][ T5671] gfs2_sys_fs_add+0x1dc/0x3d8 [ 82.660279][ T5671] gfs2_fill_super+0xdac/0x19e0 [ 82.660983][ T5671] get_tree_bdev+0x358/0x544 [ 82.661604][ T5671] gfs2_get_tree+0x54/0x1b4 [ 82.662204][ T5671] vfs_get_tree+0x90/0x274 [ 82.662786][ T5671] do_new_mount+0x228/0x810 [ 82.663408][ T5671] path_mount+0x5b4/0x1000 [ 82.663995][ T5671] __arm64_sys_mount+0x514/0x5e4 [ 82.664656][ T5671] invoke_syscall+0x98/0x2b8 [ 82.665286][ T5671] el0_svc_common+0x138/0x258 [ 82.665990][ T5671] do_el0_svc+0x58/0x14c [ 82.666263][ T5673] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.666608][ T5671] el0_svc+0x78/0x1e0 [ 82.666625][ T5671] el0t_64_sync_handler+0xcc/0xe4 [ 82.666632][ T5671] el0t_64_sync+0x1a0/0x1a4 [ 82.669701][ T5673] CPU: 1 PID: 5673 Comm: syz.2.54 Not tainted syzkaller #0 [ 82.670669][ T5673] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.671068][ T5675] loop3: detected capacity change from 0 to 32768 [ 82.672062][ T5673] Call trace: [ 82.673047][ T5671] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.673375][ T5673] dump_backtrace+0x0/0x43c [ 82.675195][ T5671] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.675791][ T5673] show_stack+0x2c/0x3c [ 82.677276][ T5673] __dump_stack+0x30/0x40 [ 82.677880][ T5673] dump_stack_lvl+0xf8/0x160 [ 82.678554][ T5673] dump_stack+0x1c/0x5c [ 82.679172][ T5673] sysfs_create_dir_ns+0x22c/0x24c [ 82.679864][ T5673] kobject_add_internal+0x590/0xc54 [ 82.680708][ T5673] kobject_init_and_add+0x118/0x17c [ 82.681417][ T5673] gfs2_sys_fs_add+0x1dc/0x3d8 [ 82.682089][ T5673] gfs2_fill_super+0xdac/0x19e0 [ 82.682772][ T5673] get_tree_bdev+0x358/0x544 [ 82.683437][ T5673] gfs2_get_tree+0x54/0x1b4 [ 82.684076][ T5673] vfs_get_tree+0x90/0x274 [ 82.684791][ T5673] do_new_mount+0x228/0x810 [ 82.685497][ T5673] path_mount+0x5b4/0x1000 [ 82.686134][ T5673] __arm64_sys_mount+0x514/0x5e4 [ 82.686828][ T5673] invoke_syscall+0x98/0x2b8 [ 82.687487][ T5673] el0_svc_common+0x138/0x258 [ 82.688164][ T5673] do_el0_svc+0x58/0x14c [ 82.688752][ T5673] el0_svc+0x78/0x1e0 [ 82.689335][ T5673] el0t_64_sync_handler+0xcc/0xe4 [ 82.690166][ T5673] el0t_64_sync+0x1a0/0x1a4 [ 82.695508][ T5669] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.696668][ T5669] CPU: 1 PID: 5669 Comm: syz.1.52 Not tainted syzkaller #0 [ 82.697585][ T5673] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.697677][ T5669] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.699820][ T5673] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.701190][ T5669] Call trace: [ 82.702680][ T5669] dump_backtrace+0x0/0x43c [ 82.703321][ T5675] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.703411][ T5669] show_stack+0x2c/0x3c [ 82.705058][ T5669] __dump_stack+0x30/0x40 [ 82.705685][ T5669] dump_stack_lvl+0xf8/0x160 [ 82.706398][ T5669] dump_stack+0x1c/0x5c [ 82.706998][ T5669] sysfs_create_dir_ns+0x22c/0x24c [ 82.707759][ T5669] kobject_add_internal+0x590/0xc54 [ 82.708500][ T5669] kobject_init_and_add+0x118/0x17c [ 82.709274][ T5669] gfs2_sys_fs_add+0x1dc/0x3d8 [ 82.709991][ T5669] gfs2_fill_super+0xdac/0x19e0 [ 82.710700][ T5669] get_tree_bdev+0x358/0x544 [ 82.711359][ T5669] gfs2_get_tree+0x54/0x1b4 [ 82.712022][ T5669] vfs_get_tree+0x90/0x274 [ 82.712686][ T5669] do_new_mount+0x228/0x810 [ 82.713364][ T5669] path_mount+0x5b4/0x1000 [ 82.713995][ T5669] __arm64_sys_mount+0x514/0x5e4 [ 82.714660][ T5669] invoke_syscall+0x98/0x2b8 [ 82.715314][ T5669] el0_svc_common+0x138/0x258 [ 82.715942][ T5669] do_el0_svc+0x58/0x14c [ 82.716508][ T5669] el0_svc+0x78/0x1e0 [ 82.717068][ T5669] el0t_64_sync_handler+0xcc/0xe4 [ 82.717775][ T5669] el0t_64_sync+0x1a0/0x1a4 [ 82.721006][ T5675] CPU: 0 PID: 5675 Comm: syz.3.55 Not tainted syzkaller #0 [ 82.722124][ T5675] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.723538][ T5675] Call trace: [ 82.723566][ T5669] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.724025][ T5675] dump_backtrace+0x0/0x43c [ 82.725950][ T5669] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.726583][ T5675] show_stack+0x2c/0x3c [ 82.726597][ T5675] __dump_stack+0x30/0x40 [ 82.726607][ T5675] dump_stack_lvl+0xf8/0x160 [ 82.726613][ T5675] dump_stack+0x1c/0x5c [ 82.726618][ T5675] sysfs_create_dir_ns+0x22c/0x24c [ 82.726623][ T5675] kobject_add_internal+0x590/0xc54 [ 82.726628][ T5675] kobject_init_and_add+0x118/0x17c [ 82.726634][ T5675] gfs2_sys_fs_add+0x1dc/0x3d8 [ 82.732701][ T5675] gfs2_fill_super+0xdac/0x19e0 [ 82.733397][ T5675] get_tree_bdev+0x358/0x544 [ 82.734016][ T5675] gfs2_get_tree+0x54/0x1b4 [ 82.734634][ T5675] vfs_get_tree+0x90/0x274 [ 82.735233][ T5675] do_new_mount+0x228/0x810 [ 82.735862][ T5675] path_mount+0x5b4/0x1000 [ 82.736444][ T5675] __arm64_sys_mount+0x514/0x5e4 [ 82.737083][ T5675] invoke_syscall+0x98/0x2b8 [ 82.737715][ T5675] el0_svc_common+0x138/0x258 [ 82.738328][ T5675] do_el0_svc+0x58/0x14c [ 82.738954][ T5675] el0_svc+0x78/0x1e0 [ 82.739549][ T5675] el0t_64_sync_handler+0xcc/0xe4 [ 82.740221][ T5675] el0t_64_sync+0x1a0/0x1a4 [ 82.785773][ T5675] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.789217][ T5675] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.912828][ T5673] loop2: detected capacity change from 0 to 32768 [ 82.939405][ T5673] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.940605][ T5673] CPU: 1 PID: 5673 Comm: syz.2.54 Not tainted syzkaller #0 [ 82.941690][ T5673] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.943087][ T5673] Call trace: [ 82.943498][ T5673] dump_backtrace+0x0/0x43c [ 82.944051][ T5673] show_stack+0x2c/0x3c [ 82.944612][ T5673] __dump_stack+0x30/0x40 [ 82.945250][ T5673] dump_stack_lvl+0xf8/0x160 [ 82.945884][ T5673] dump_stack+0x1c/0x5c [ 82.946445][ T5673] sysfs_create_dir_ns+0x22c/0x24c [ 82.947179][ T5673] kobject_add_internal+0x590/0xc54 [ 82.947938][ T5673] kobject_init_and_add+0x118/0x17c [ 82.948678][ T5673] gfs2_sys_fs_add+0x1dc/0x3d8 [ 82.949392][ T5673] gfs2_fill_super+0xdac/0x19e0 [ 82.950062][ T5673] get_tree_bdev+0x358/0x544 [ 82.950724][ T5673] gfs2_get_tree+0x54/0x1b4 [ 82.951335][ T5673] vfs_get_tree+0x90/0x274 [ 82.951901][ T5673] do_new_mount+0x228/0x810 [ 82.952578][ T5673] path_mount+0x5b4/0x1000 [ 82.953178][ T5673] __arm64_sys_mount+0x514/0x5e4 [ 82.953890][ T5673] invoke_syscall+0x98/0x2b8 [ 82.954491][ T5673] el0_svc_common+0x138/0x258 [ 82.955145][ T5673] do_el0_svc+0x58/0x14c [ 82.955720][ T5673] el0_svc+0x78/0x1e0 [ 82.956262][ T5673] el0t_64_sync_handler+0xcc/0xe4 [ 82.956942][ T5673] el0t_64_sync+0x1a0/0x1a4 [ 82.991019][ T5673] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.992938][ T5673] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.019282][ T5679] loop1: detected capacity change from 0 to 32768 [ 83.025696][ T5675] loop3: detected capacity change from 0 to 32768 [ 83.036027][ T5677] loop0: detected capacity change from 0 to 32768 [ 83.049541][ T5679] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.050643][ T5679] CPU: 0 PID: 5679 Comm: syz.1.57 Not tainted syzkaller #0 [ 83.051715][ T5679] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.053074][ T5679] Call trace: [ 83.053480][ T5679] dump_backtrace+0x0/0x43c [ 83.054058][ T5679] show_stack+0x2c/0x3c [ 83.054637][ T5679] __dump_stack+0x30/0x40 [ 83.055230][ T5679] dump_stack_lvl+0xf8/0x160 [ 83.055840][ T5679] dump_stack+0x1c/0x5c [ 83.056461][ T5679] sysfs_create_dir_ns+0x22c/0x24c [ 83.057184][ T5679] kobject_add_internal+0x590/0xc54 [ 83.057930][ T5679] kobject_init_and_add+0x118/0x17c [ 83.058652][ T5679] gfs2_sys_fs_add+0x1dc/0x3d8 [ 83.059339][ T5679] gfs2_fill_super+0xdac/0x19e0 [ 83.060037][ T5679] get_tree_bdev+0x358/0x544 [ 83.060676][ T5679] gfs2_get_tree+0x54/0x1b4 [ 83.061301][ T5679] vfs_get_tree+0x90/0x274 [ 83.061928][ T5679] do_new_mount+0x228/0x810 [ 83.062486][ T5679] path_mount+0x5b4/0x1000 [ 83.063047][ T5679] __arm64_sys_mount+0x514/0x5e4 [ 83.063710][ T5679] invoke_syscall+0x98/0x2b8 [ 83.064395][ T5679] el0_svc_common+0x138/0x258 [ 83.065046][ T5679] do_el0_svc+0x58/0x14c [ 83.065566][ T5679] el0_svc+0x78/0x1e0 [ 83.066077][ T5679] el0t_64_sync_handler+0xcc/0xe4 [ 83.066807][ T5679] el0t_64_sync+0x1a0/0x1a4 [ 83.068275][ T5679] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.070097][ T5679] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.077112][ T5677] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.078208][ T5677] CPU: 1 PID: 5677 Comm: syz.0.56 Not tainted syzkaller #0 [ 83.079220][ T5677] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.080650][ T5677] Call trace: [ 83.081130][ T5677] dump_backtrace+0x0/0x43c [ 83.081783][ T5677] show_stack+0x2c/0x3c [ 83.082410][ T5677] __dump_stack+0x30/0x40 [ 83.082991][ T5677] dump_stack_lvl+0xf8/0x160 [ 83.083685][ T5677] dump_stack+0x1c/0x5c [ 83.084307][ T5677] sysfs_create_dir_ns+0x22c/0x24c [ 83.085086][ T5677] kobject_add_internal+0x590/0xc54 [ 83.085816][ T5677] kobject_init_and_add+0x118/0x17c [ 83.086548][ T5677] gfs2_sys_fs_add+0x1dc/0x3d8 [ 83.087243][ T5677] gfs2_fill_super+0xdac/0x19e0 [ 83.087908][ T5677] get_tree_bdev+0x358/0x544 [ 83.088526][ T5677] gfs2_get_tree+0x54/0x1b4 [ 83.089171][ T5677] vfs_get_tree+0x90/0x274 [ 83.089772][ T5677] do_new_mount+0x228/0x810 [ 83.090423][ T5677] path_mount+0x5b4/0x1000 [ 83.091030][ T5677] __arm64_sys_mount+0x514/0x5e4 [ 83.091711][ T5677] invoke_syscall+0x98/0x2b8 [ 83.092403][ T5677] el0_svc_common+0x138/0x258 [ 83.093106][ T5677] do_el0_svc+0x58/0x14c [ 83.093695][ T5677] el0_svc+0x78/0x1e0 [ 83.094271][ T5677] el0t_64_sync_handler+0xcc/0xe4 [ 83.094964][ T5677] el0t_64_sync+0x1a0/0x1a4 [ 83.101160][ T5675] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.102288][ T5675] CPU: 0 PID: 5675 Comm: syz.3.55 Not tainted syzkaller #0 [ 83.103373][ T5675] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.104805][ T5675] Call trace: [ 83.105287][ T5675] dump_backtrace+0x0/0x43c [ 83.105976][ T5675] show_stack+0x2c/0x3c [ 83.106618][ T5675] __dump_stack+0x30/0x40 [ 83.107289][ T5675] dump_stack_lvl+0xf8/0x160 [ 83.107925][ T5675] dump_stack+0x1c/0x5c [ 83.108523][ T5675] sysfs_create_dir_ns+0x22c/0x24c [ 83.109259][ T5675] kobject_add_internal+0x590/0xc54 [ 83.109989][ T5675] kobject_init_and_add+0x118/0x17c [ 83.110726][ T5675] gfs2_sys_fs_add+0x1dc/0x3d8 [ 83.111390][ T5675] gfs2_fill_super+0xdac/0x19e0 [ 83.112037][ T5675] get_tree_bdev+0x358/0x544 [ 83.112665][ T5675] gfs2_get_tree+0x54/0x1b4 [ 83.113291][ T5675] vfs_get_tree+0x90/0x274 [ 83.113894][ T5675] do_new_mount+0x228/0x810 [ 83.114573][ T5675] path_mount+0x5b4/0x1000 [ 83.115204][ T5675] __arm64_sys_mount+0x514/0x5e4 [ 83.115887][ T5675] invoke_syscall+0x98/0x2b8 [ 83.116533][ T5675] el0_svc_common+0x138/0x258 [ 83.117199][ T5675] do_el0_svc+0x58/0x14c [ 83.117832][ T5675] el0_svc+0x78/0x1e0 [ 83.118402][ T5675] el0t_64_sync_handler+0xcc/0xe4 [ 83.118637][ T5677] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.119223][ T5675] el0t_64_sync+0x1a0/0x1a4 [ 83.121365][ T5677] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.154219][ T5675] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.156064][ T5675] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.203554][ T5681] loop2: detected capacity change from 0 to 32768 [ 83.217116][ T5681] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.218200][ T5681] CPU: 0 PID: 5681 Comm: syz.2.58 Not tainted syzkaller #0 [ 83.219240][ T5681] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.220942][ T5681] Call trace: [ 83.221458][ T5681] dump_backtrace+0x0/0x43c [ 83.222218][ T5681] show_stack+0x2c/0x3c [ 83.222875][ T5681] __dump_stack+0x30/0x40 [ 83.223541][ T5681] dump_stack_lvl+0xf8/0x160 [ 83.224258][ T5681] dump_stack+0x1c/0x5c [ 83.224965][ T5681] sysfs_create_dir_ns+0x22c/0x24c [ 83.225722][ T5681] kobject_add_internal+0x590/0xc54 [ 83.226485][ T5681] kobject_init_and_add+0x118/0x17c [ 83.227282][ T5681] gfs2_sys_fs_add+0x1dc/0x3d8 [ 83.228019][ T5681] gfs2_fill_super+0xdac/0x19e0 [ 83.228737][ T5681] get_tree_bdev+0x358/0x544 [ 83.229399][ T5681] gfs2_get_tree+0x54/0x1b4 [ 83.230002][ T5681] vfs_get_tree+0x90/0x274 [ 83.230623][ T5681] do_new_mount+0x228/0x810 [ 83.231322][ T5681] path_mount+0x5b4/0x1000 [ 83.231950][ T5681] __arm64_sys_mount+0x514/0x5e4 [ 83.232684][ T5681] invoke_syscall+0x98/0x2b8 [ 83.233331][ T5681] el0_svc_common+0x138/0x258 [ 83.234048][ T5681] do_el0_svc+0x58/0x14c [ 83.234702][ T5681] el0_svc+0x78/0x1e0 [ 83.235326][ T5681] el0t_64_sync_handler+0xcc/0xe4 [ 83.236068][ T5681] el0t_64_sync+0x1a0/0x1a4 [ 83.256597][ T5681] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.258459][ T5681] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.325051][ T5677] loop0: detected capacity change from 0 to 32768 [ 83.348429][ T5677] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.349560][ T5677] CPU: 1 PID: 5677 Comm: syz.0.56 Not tainted syzkaller #0 [ 83.350542][ T5677] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.351894][ T5677] Call trace: [ 83.352357][ T5677] dump_backtrace+0x0/0x43c [ 83.353025][ T5677] show_stack+0x2c/0x3c [ 83.353593][ T5677] __dump_stack+0x30/0x40 [ 83.354199][ T5677] dump_stack_lvl+0xf8/0x160 [ 83.354841][ T5677] dump_stack+0x1c/0x5c [ 83.355407][ T5677] sysfs_create_dir_ns+0x22c/0x24c [ 83.356198][ T5677] kobject_add_internal+0x590/0xc54 [ 83.356949][ T5677] kobject_init_and_add+0x118/0x17c [ 83.357686][ T5677] gfs2_sys_fs_add+0x1dc/0x3d8 [ 83.358318][ T5677] gfs2_fill_super+0xdac/0x19e0 [ 83.358999][ T5677] get_tree_bdev+0x358/0x544 [ 83.359657][ T5677] gfs2_get_tree+0x54/0x1b4 [ 83.360235][ T5677] vfs_get_tree+0x90/0x274 [ 83.360880][ T5677] do_new_mount+0x228/0x810 [ 83.361521][ T5677] path_mount+0x5b4/0x1000 [ 83.362144][ T5677] __arm64_sys_mount+0x514/0x5e4 [ 83.362858][ T5677] invoke_syscall+0x98/0x2b8 [ 83.363484][ T5677] el0_svc_common+0x138/0x258 [ 83.364138][ T5677] do_el0_svc+0x58/0x14c [ 83.364696][ T5677] el0_svc+0x78/0x1e0 [ 83.365287][ T5677] el0t_64_sync_handler+0xcc/0xe4 [ 83.366040][ T5677] el0t_64_sync+0x1a0/0x1a4 [ 83.393402][ T5677] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.395444][ T5677] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.411219][ T5679] loop1: detected capacity change from 0 to 32768 [ 83.454817][ T5681] loop2: detected capacity change from 0 to 32768 [ 83.456348][ T5681] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.463710][ T5679] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.464897][ T5679] CPU: 0 PID: 5679 Comm: syz.1.57 Not tainted syzkaller #0 [ 83.465960][ T5679] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.467438][ T5679] Call trace: [ 83.467888][ T5679] dump_backtrace+0x0/0x43c [ 83.468547][ T5679] show_stack+0x2c/0x3c [ 83.469131][ T5679] __dump_stack+0x30/0x40 [ 83.469754][ T5679] dump_stack_lvl+0xf8/0x160 [ 83.470367][ T5679] dump_stack+0x1c/0x5c [ 83.470952][ T5679] sysfs_create_dir_ns+0x22c/0x24c [ 83.471692][ T5679] kobject_add_internal+0x590/0xc54 [ 83.472415][ T5679] kobject_init_and_add+0x118/0x17c [ 83.473165][ T5679] gfs2_sys_fs_add+0x1dc/0x3d8 [ 83.473807][ T5679] gfs2_fill_super+0xdac/0x19e0 [ 83.474501][ T5679] get_tree_bdev+0x358/0x544 [ 83.475178][ T5679] gfs2_get_tree+0x54/0x1b4 [ 83.475801][ T5679] vfs_get_tree+0x90/0x274 [ 83.476414][ T5679] do_new_mount+0x228/0x810 [ 83.477051][ T5679] path_mount+0x5b4/0x1000 [ 83.477700][ T5679] __arm64_sys_mount+0x514/0x5e4 [ 83.478389][ T5679] invoke_syscall+0x98/0x2b8 [ 83.479014][ T5679] el0_svc_common+0x138/0x258 [ 83.479679][ T5679] do_el0_svc+0x58/0x14c [ 83.480326][ T5679] el0_svc+0x78/0x1e0 [ 83.480889][ T5679] el0t_64_sync_handler+0xcc/0xe4 [ 83.481632][ T5679] el0t_64_sync+0x1a0/0x1a4 [ 83.485250][ T5681] CPU: 0 PID: 5681 Comm: syz.2.58 Not tainted syzkaller #0 [ 83.486273][ T5681] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.487810][ T5681] Call trace: [ 83.488282][ T5681] dump_backtrace+0x0/0x43c [ 83.488949][ T5681] show_stack+0x2c/0x3c [ 83.489591][ T5681] __dump_stack+0x30/0x40 [ 83.490225][ T5681] dump_stack_lvl+0xf8/0x160 [ 83.490905][ T5681] dump_stack+0x1c/0x5c [ 83.491474][ T5681] sysfs_create_dir_ns+0x22c/0x24c [ 83.492222][ T5681] kobject_add_internal+0x590/0xc54 [ 83.492972][ T5681] kobject_init_and_add+0x118/0x17c [ 83.493737][ T5681] gfs2_sys_fs_add+0x1dc/0x3d8 [ 83.494391][ T5681] gfs2_fill_super+0xdac/0x19e0 [ 83.495069][ T5681] get_tree_bdev+0x358/0x544 [ 83.495714][ T5681] gfs2_get_tree+0x54/0x1b4 [ 83.496380][ T5681] vfs_get_tree+0x90/0x274 [ 83.496985][ T5681] do_new_mount+0x228/0x810 [ 83.497654][ T5681] path_mount+0x5b4/0x1000 [ 83.498277][ T5681] __arm64_sys_mount+0x514/0x5e4 [ 83.498991][ T5681] invoke_syscall+0x98/0x2b8 [ 83.499602][ T5681] el0_svc_common+0x138/0x258 [ 83.500221][ T5681] do_el0_svc+0x58/0x14c [ 83.500838][ T5681] el0_svc+0x78/0x1e0 [ 83.501421][ T5681] el0t_64_sync_handler+0xcc/0xe4 [ 83.502110][ T5681] el0t_64_sync+0x1a0/0x1a4 [ 83.509114][ T5679] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.511010][ T5679] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.512424][ T5681] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.514367][ T5681] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.574435][ T5683] loop3: detected capacity change from 0 to 32768 [ 83.585205][ T5683] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.586357][ T5683] CPU: 1 PID: 5683 Comm: syz.3.59 Not tainted syzkaller #0 [ 83.587425][ T5683] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.588926][ T5683] Call trace: [ 83.589370][ T5683] dump_backtrace+0x0/0x43c [ 83.590018][ T5683] show_stack+0x2c/0x3c [ 83.590591][ T5683] __dump_stack+0x30/0x40 [ 83.591249][ T5683] dump_stack_lvl+0xf8/0x160 [ 83.591931][ T5683] dump_stack+0x1c/0x5c [ 83.592592][ T5683] sysfs_create_dir_ns+0x22c/0x24c [ 83.593382][ T5683] kobject_add_internal+0x590/0xc54 [ 83.594090][ T5683] kobject_init_and_add+0x118/0x17c [ 83.594823][ T5683] gfs2_sys_fs_add+0x1dc/0x3d8 [ 83.595481][ T5683] gfs2_fill_super+0xdac/0x19e0 [ 83.596162][ T5683] get_tree_bdev+0x358/0x544 [ 83.596834][ T5683] gfs2_get_tree+0x54/0x1b4 [ 83.597482][ T5683] vfs_get_tree+0x90/0x274 [ 83.598084][ T5683] do_new_mount+0x228/0x810 [ 83.598700][ T5683] path_mount+0x5b4/0x1000 [ 83.599339][ T5683] __arm64_sys_mount+0x514/0x5e4 [ 83.600078][ T5683] invoke_syscall+0x98/0x2b8 [ 83.600755][ T5683] el0_svc_common+0x138/0x258 [ 83.601382][ T5683] do_el0_svc+0x58/0x14c [ 83.602031][ T5683] el0_svc+0x78/0x1e0 [ 83.602595][ T5683] el0t_64_sync_handler+0xcc/0xe4 [ 83.603345][ T5683] el0t_64_sync+0x1a0/0x1a4 [ 83.624885][ T5683] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.627255][ T5683] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.651817][ T5685] loop0: detected capacity change from 0 to 32768 [ 83.678827][ T5685] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.680007][ T5685] CPU: 1 PID: 5685 Comm: syz.0.60 Not tainted syzkaller #0 [ 83.681048][ T5685] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.682663][ T5685] Call trace: [ 83.683191][ T5685] dump_backtrace+0x0/0x43c [ 83.683856][ T5685] show_stack+0x2c/0x3c [ 83.684416][ T5685] __dump_stack+0x30/0x40 [ 83.684995][ T5685] dump_stack_lvl+0xf8/0x160 [ 83.685552][ T5685] dump_stack+0x1c/0x5c [ 83.686132][ T5685] sysfs_create_dir_ns+0x22c/0x24c [ 83.686857][ T5685] kobject_add_internal+0x590/0xc54 [ 83.687601][ T5685] kobject_init_and_add+0x118/0x17c [ 83.688326][ T5685] gfs2_sys_fs_add+0x1dc/0x3d8 [ 83.688971][ T5685] gfs2_fill_super+0xdac/0x19e0 [ 83.689663][ T5685] get_tree_bdev+0x358/0x544 [ 83.690284][ T5685] gfs2_get_tree+0x54/0x1b4 [ 83.690930][ T5685] vfs_get_tree+0x90/0x274 [ 83.691587][ T5685] do_new_mount+0x228/0x810 [ 83.692274][ T5685] path_mount+0x5b4/0x1000 [ 83.692890][ T5685] __arm64_sys_mount+0x514/0x5e4 [ 83.693593][ T5685] invoke_syscall+0x98/0x2b8 [ 83.694210][ T5685] el0_svc_common+0x138/0x258 [ 83.694859][ T5685] do_el0_svc+0x58/0x14c [ 83.695443][ T5685] el0_svc+0x78/0x1e0 [ 83.696042][ T5685] el0t_64_sync_handler+0xcc/0xe4 [ 83.696774][ T5685] el0t_64_sync+0x1a0/0x1a4 [ 83.723501][ T5685] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.725603][ T5685] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.766767][ T5687] loop1: detected capacity change from 0 to 32768 [ 83.800816][ T5689] loop2: detected capacity change from 0 to 32768 [ 83.814221][ T5683] loop3: detected capacity change from 0 to 32768 [ 83.827151][ T5689] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.828347][ T5689] CPU: 0 PID: 5689 Comm: syz.2.62 Not tainted syzkaller #0 [ 83.829506][ T5689] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.831143][ T5689] Call trace: [ 83.831695][ T5689] dump_backtrace+0x0/0x43c [ 83.832461][ T5689] show_stack+0x2c/0x3c [ 83.833129][ T5689] __dump_stack+0x30/0x40 [ 83.833836][ T5689] dump_stack_lvl+0xf8/0x160 [ 83.834514][ T5689] dump_stack+0x1c/0x5c [ 83.835140][ T5689] sysfs_create_dir_ns+0x22c/0x24c [ 83.835918][ T5689] kobject_add_internal+0x590/0xc54 [ 83.836675][ T5689] kobject_init_and_add+0x118/0x17c [ 83.837416][ T5689] gfs2_sys_fs_add+0x1dc/0x3d8 [ 83.838117][ T5689] gfs2_fill_super+0xdac/0x19e0 [ 83.838790][ T5689] get_tree_bdev+0x358/0x544 [ 83.839407][ T5689] gfs2_get_tree+0x54/0x1b4 [ 83.840095][ T5689] vfs_get_tree+0x90/0x274 [ 83.840726][ T5689] do_new_mount+0x228/0x810 [ 83.841418][ T5689] path_mount+0x5b4/0x1000 [ 83.842023][ T5689] __arm64_sys_mount+0x514/0x5e4 [ 83.842727][ T5689] invoke_syscall+0x98/0x2b8 [ 83.843374][ T5689] el0_svc_common+0x138/0x258 [ 83.844074][ T5689] do_el0_svc+0x58/0x14c [ 83.844645][ T5689] el0_svc+0x78/0x1e0 [ 83.845189][ T5689] el0t_64_sync_handler+0xcc/0xe4 [ 83.845878][ T5689] el0t_64_sync+0x1a0/0x1a4 [ 83.848815][ T5689] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.850635][ T5689] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.857770][ T5683] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.858887][ T5683] CPU: 1 PID: 5683 Comm: syz.3.59 Not tainted syzkaller #0 [ 83.859981][ T5683] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.861247][ T5683] Call trace: [ 83.861570][ T5687] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.861717][ T5683] dump_backtrace+0x0/0x43c [ 83.863513][ T5683] show_stack+0x2c/0x3c [ 83.864097][ T5683] __dump_stack+0x30/0x40 [ 83.864647][ T5683] dump_stack_lvl+0xf8/0x160 [ 83.865280][ T5683] dump_stack+0x1c/0x5c [ 83.865893][ T5683] sysfs_create_dir_ns+0x22c/0x24c [ 83.866584][ T5683] kobject_add_internal+0x590/0xc54 [ 83.867317][ T5683] kobject_init_and_add+0x118/0x17c [ 83.868056][ T5683] gfs2_sys_fs_add+0x1dc/0x3d8 [ 83.868755][ T5683] gfs2_fill_super+0xdac/0x19e0 [ 83.869401][ T5683] get_tree_bdev+0x358/0x544 [ 83.870089][ T5683] gfs2_get_tree+0x54/0x1b4 [ 83.870708][ T5683] vfs_get_tree+0x90/0x274 [ 83.871302][ T5683] do_new_mount+0x228/0x810 [ 83.871947][ T5683] path_mount+0x5b4/0x1000 [ 83.872492][ T5683] __arm64_sys_mount+0x514/0x5e4 [ 83.873204][ T5683] invoke_syscall+0x98/0x2b8 [ 83.873886][ T5683] el0_svc_common+0x138/0x258 [ 83.874539][ T5683] do_el0_svc+0x58/0x14c [ 83.875108][ T5683] el0_svc+0x78/0x1e0 [ 83.875670][ T5683] el0t_64_sync_handler+0xcc/0xe4 [ 83.876336][ T5683] el0t_64_sync+0x1a0/0x1a4 [ 83.889569][ T5687] CPU: 0 PID: 5687 Comm: syz.1.61 Not tainted syzkaller #0 [ 83.890620][ T5687] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.891957][ T5687] Call trace: [ 83.892492][ T5687] dump_backtrace+0x0/0x43c [ 83.893117][ T5687] show_stack+0x2c/0x3c [ 83.893743][ T5687] __dump_stack+0x30/0x40 [ 83.894382][ T5687] dump_stack_lvl+0xf8/0x160 [ 83.895036][ T5687] dump_stack+0x1c/0x5c [ 83.895600][ T5687] sysfs_create_dir_ns+0x22c/0x24c [ 83.896333][ T5687] kobject_add_internal+0x590/0xc54 [ 83.896891][ T5683] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.897073][ T5687] kobject_init_and_add+0x118/0x17c [ 83.899214][ T5683] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.899866][ T5687] gfs2_sys_fs_add+0x1dc/0x3d8 [ 83.901444][ T5687] gfs2_fill_super+0xdac/0x19e0 [ 83.902167][ T5687] get_tree_bdev+0x358/0x544 [ 83.902849][ T5687] gfs2_get_tree+0x54/0x1b4 [ 83.903482][ T5687] vfs_get_tree+0x90/0x274 [ 83.904142][ T5687] do_new_mount+0x228/0x810 [ 83.904796][ T5687] path_mount+0x5b4/0x1000 [ 83.905473][ T5687] __arm64_sys_mount+0x514/0x5e4 [ 83.906208][ T5687] invoke_syscall+0x98/0x2b8 [ 83.906326][ T5685] loop0: detected capacity change from 0 to 32768 [ 83.906878][ T5687] el0_svc_common+0x138/0x258 [ 83.906895][ T5687] do_el0_svc+0x58/0x14c [ 83.906906][ T5687] el0_svc+0x78/0x1e0 [ 83.906915][ T5687] el0t_64_sync_handler+0xcc/0xe4 [ 83.906922][ T5687] el0t_64_sync+0x1a0/0x1a4 [ 83.928053][ T5687] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.935598][ T5687] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.951714][ T5685] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.952893][ T5685] CPU: 1 PID: 5685 Comm: syz.0.60 Not tainted syzkaller #0 [ 83.953942][ T5685] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.955399][ T5685] Call trace: [ 83.955878][ T5685] dump_backtrace+0x0/0x43c [ 83.956506][ T5685] show_stack+0x2c/0x3c [ 83.957143][ T5685] __dump_stack+0x30/0x40 [ 83.957782][ T5685] dump_stack_lvl+0xf8/0x160 [ 83.958429][ T5685] dump_stack+0x1c/0x5c [ 83.959084][ T5685] sysfs_create_dir_ns+0x22c/0x24c [ 83.959862][ T5685] kobject_add_internal+0x590/0xc54 [ 83.960583][ T5685] kobject_init_and_add+0x118/0x17c [ 83.961338][ T5685] gfs2_sys_fs_add+0x1dc/0x3d8 [ 83.962023][ T5685] gfs2_fill_super+0xdac/0x19e0 [ 83.962677][ T5685] get_tree_bdev+0x358/0x544 [ 83.963279][ T5685] gfs2_get_tree+0x54/0x1b4 [ 83.963908][ T5685] vfs_get_tree+0x90/0x274 [ 83.964533][ T5685] do_new_mount+0x228/0x810 [ 83.965193][ T5685] path_mount+0x5b4/0x1000 [ 83.965883][ T5685] __arm64_sys_mount+0x514/0x5e4 [ 83.966612][ T5685] invoke_syscall+0x98/0x2b8 [ 83.967290][ T5685] el0_svc_common+0x138/0x258 [ 83.968005][ T5685] do_el0_svc+0x58/0x14c [ 83.968643][ T5685] el0_svc+0x78/0x1e0 [ 83.969234][ T5685] el0t_64_sync_handler+0xcc/0xe4 [ 83.969939][ T5685] el0t_64_sync+0x1a0/0x1a4 [ 83.995885][ T5685] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.997997][ T5685] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.102403][ T5691] loop3: detected capacity change from 0 to 32768 [ 84.137731][ T5691] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.138952][ T5691] CPU: 1 PID: 5691 Comm: syz.3.63 Not tainted syzkaller #0 [ 84.139978][ T5691] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.141389][ T5691] Call trace: [ 84.141894][ T5691] dump_backtrace+0x0/0x43c [ 84.142555][ T5691] show_stack+0x2c/0x3c [ 84.143124][ T5691] __dump_stack+0x30/0x40 [ 84.143778][ T5691] dump_stack_lvl+0xf8/0x160 [ 84.144406][ T5691] dump_stack+0x1c/0x5c [ 84.145023][ T5691] sysfs_create_dir_ns+0x22c/0x24c [ 84.145793][ T5691] kobject_add_internal+0x590/0xc54 [ 84.146550][ T5691] kobject_init_and_add+0x118/0x17c [ 84.147292][ T5691] gfs2_sys_fs_add+0x1dc/0x3d8 [ 84.148029][ T5691] gfs2_fill_super+0xdac/0x19e0 [ 84.148735][ T5691] get_tree_bdev+0x358/0x544 [ 84.149403][ T5691] gfs2_get_tree+0x54/0x1b4 [ 84.150068][ T5691] vfs_get_tree+0x90/0x274 [ 84.150732][ T5691] do_new_mount+0x228/0x810 [ 84.151383][ T5691] path_mount+0x5b4/0x1000 [ 84.152034][ T5691] __arm64_sys_mount+0x514/0x5e4 [ 84.152764][ T5691] invoke_syscall+0x98/0x2b8 [ 84.153547][ T5691] el0_svc_common+0x138/0x258 [ 84.154307][ T5691] do_el0_svc+0x58/0x14c [ 84.154955][ T5691] el0_svc+0x78/0x1e0 [ 84.155549][ T5691] el0t_64_sync_handler+0xcc/0xe4 [ 84.156314][ T5691] el0t_64_sync+0x1a0/0x1a4 [ 84.162601][ T5689] loop2: detected capacity change from 0 to 32768 [ 84.185580][ T5691] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.188179][ T5691] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.207128][ T5689] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.208277][ T5689] CPU: 0 PID: 5689 Comm: syz.2.62 Not tainted syzkaller #0 [ 84.209357][ T5689] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.210877][ T5689] Call trace: [ 84.211313][ T5689] dump_backtrace+0x0/0x43c [ 84.211940][ T5689] show_stack+0x2c/0x3c [ 84.212513][ T5689] __dump_stack+0x30/0x40 [ 84.213140][ T5689] dump_stack_lvl+0xf8/0x160 [ 84.213803][ T5689] dump_stack+0x1c/0x5c [ 84.214390][ T5689] sysfs_create_dir_ns+0x22c/0x24c [ 84.215057][ T5689] kobject_add_internal+0x590/0xc54 [ 84.215691][ T5693] loop0: detected capacity change from 0 to 32768 [ 84.215807][ T5689] kobject_init_and_add+0x118/0x17c [ 84.217467][ T5689] gfs2_sys_fs_add+0x1dc/0x3d8 [ 84.218109][ T5689] gfs2_fill_super+0xdac/0x19e0 [ 84.218795][ T5689] get_tree_bdev+0x358/0x544 [ 84.219421][ T5689] gfs2_get_tree+0x54/0x1b4 [ 84.220086][ T5689] vfs_get_tree+0x90/0x274 [ 84.220678][ T5689] do_new_mount+0x228/0x810 [ 84.221308][ T5689] path_mount+0x5b4/0x1000 [ 84.221859][ T5689] __arm64_sys_mount+0x514/0x5e4 [ 84.222497][ T5689] invoke_syscall+0x98/0x2b8 [ 84.223121][ T5689] el0_svc_common+0x138/0x258 [ 84.223734][ T5689] do_el0_svc+0x58/0x14c [ 84.224303][ T5689] el0_svc+0x78/0x1e0 [ 84.224887][ T5689] el0t_64_sync_handler+0xcc/0xe4 [ 84.225626][ T5689] el0t_64_sync+0x1a0/0x1a4 [ 84.256863][ T5693] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.258015][ T5693] CPU: 1 PID: 5693 Comm: syz.0.64 Not tainted syzkaller #0 [ 84.258979][ T5693] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.260457][ T5693] Call trace: [ 84.260895][ T5693] dump_backtrace+0x0/0x43c [ 84.261547][ T5693] show_stack+0x2c/0x3c [ 84.262160][ T5693] __dump_stack+0x30/0x40 [ 84.262768][ T5693] dump_stack_lvl+0xf8/0x160 [ 84.263064][ T5687] loop1: detected capacity change from 0 to 32768 [ 84.263385][ T5693] dump_stack+0x1c/0x5c [ 84.264890][ T5693] sysfs_create_dir_ns+0x22c/0x24c [ 84.265282][ T5689] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.265648][ T5693] kobject_add_internal+0x590/0xc54 [ 84.268261][ T5689] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.268421][ T5693] kobject_init_and_add+0x118/0x17c [ 84.270253][ T5693] gfs2_sys_fs_add+0x1dc/0x3d8 [ 84.270994][ T5693] gfs2_fill_super+0xdac/0x19e0 [ 84.271739][ T5693] get_tree_bdev+0x358/0x544 [ 84.272482][ T5693] gfs2_get_tree+0x54/0x1b4 [ 84.273154][ T5693] vfs_get_tree+0x90/0x274 [ 84.273813][ T5693] do_new_mount+0x228/0x810 [ 84.274479][ T5693] path_mount+0x5b4/0x1000 [ 84.275215][ T5693] __arm64_sys_mount+0x514/0x5e4 [ 84.275934][ T5693] invoke_syscall+0x98/0x2b8 [ 84.276660][ T5693] el0_svc_common+0x138/0x258 [ 84.277318][ T5693] do_el0_svc+0x58/0x14c [ 84.277916][ T5693] el0_svc+0x78/0x1e0 [ 84.278465][ T5693] el0t_64_sync_handler+0xcc/0xe4 [ 84.279153][ T5693] el0t_64_sync+0x1a0/0x1a4 [ 84.300280][ T5693] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.302432][ T5693] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.309228][ T5687] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.310337][ T5687] CPU: 0 PID: 5687 Comm: syz.1.61 Not tainted syzkaller #0 [ 84.311493][ T5687] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.313025][ T5687] Call trace: [ 84.313511][ T5687] dump_backtrace+0x0/0x43c [ 84.314212][ T5687] show_stack+0x2c/0x3c [ 84.314813][ T5687] __dump_stack+0x30/0x40 [ 84.315425][ T5687] dump_stack_lvl+0xf8/0x160 [ 84.316077][ T5687] dump_stack+0x1c/0x5c [ 84.316740][ T5687] sysfs_create_dir_ns+0x22c/0x24c [ 84.317442][ T5687] kobject_add_internal+0x590/0xc54 [ 84.318209][ T5687] kobject_init_and_add+0x118/0x17c [ 84.318965][ T5687] gfs2_sys_fs_add+0x1dc/0x3d8 [ 84.319607][ T5687] gfs2_fill_super+0xdac/0x19e0 [ 84.320246][ T5687] get_tree_bdev+0x358/0x544 [ 84.320877][ T5687] gfs2_get_tree+0x54/0x1b4 [ 84.321504][ T5687] vfs_get_tree+0x90/0x274 [ 84.322115][ T5687] do_new_mount+0x228/0x810 [ 84.322771][ T5687] path_mount+0x5b4/0x1000 [ 84.323349][ T5687] __arm64_sys_mount+0x514/0x5e4 [ 84.324028][ T5687] invoke_syscall+0x98/0x2b8 [ 84.324638][ T5687] el0_svc_common+0x138/0x258 [ 84.325437][ T5687] do_el0_svc+0x58/0x14c [ 84.326120][ T5687] el0_svc+0x78/0x1e0 [ 84.326787][ T5687] el0t_64_sync_handler+0xcc/0xe4 [ 84.327503][ T5687] el0t_64_sync+0x1a0/0x1a4 [ 84.346914][ T5687] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.348895][ T5687] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.359332][ T5691] loop3: detected capacity change from 0 to 32768 [ 84.397208][ T5691] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.398386][ T5691] CPU: 0 PID: 5691 Comm: syz.3.63 Not tainted syzkaller #0 [ 84.399497][ T5691] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.400977][ T5691] Call trace: [ 84.401441][ T5691] dump_backtrace+0x0/0x43c [ 84.402066][ T5691] show_stack+0x2c/0x3c [ 84.402630][ T5691] __dump_stack+0x30/0x40 [ 84.403186][ T5691] dump_stack_lvl+0xf8/0x160 [ 84.403811][ T5691] dump_stack+0x1c/0x5c [ 84.404462][ T5691] sysfs_create_dir_ns+0x22c/0x24c [ 84.405268][ T5691] kobject_add_internal+0x590/0xc54 [ 84.406012][ T5691] kobject_init_and_add+0x118/0x17c [ 84.406770][ T5691] gfs2_sys_fs_add+0x1dc/0x3d8 [ 84.407452][ T5691] gfs2_fill_super+0xdac/0x19e0 [ 84.408130][ T5691] get_tree_bdev+0x358/0x544 [ 84.408814][ T5691] gfs2_get_tree+0x54/0x1b4 [ 84.409445][ T5691] vfs_get_tree+0x90/0x274 [ 84.410063][ T5691] do_new_mount+0x228/0x810 [ 84.410831][ T5691] path_mount+0x5b4/0x1000 [ 84.411603][ T5691] __arm64_sys_mount+0x514/0x5e4 [ 84.412380][ T5691] invoke_syscall+0x98/0x2b8 [ 84.413090][ T5691] el0_svc_common+0x138/0x258 [ 84.413847][ T5691] do_el0_svc+0x58/0x14c [ 84.414517][ T5691] el0_svc+0x78/0x1e0 [ 84.415126][ T5691] el0t_64_sync_handler+0xcc/0xe4 [ 84.415891][ T5691] el0t_64_sync+0x1a0/0x1a4 [ 84.449726][ T5691] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.451886][ T5691] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.552955][ T5693] loop0: detected capacity change from 0 to 32768 [ 84.562513][ T5695] loop1: detected capacity change from 0 to 32768 [ 84.599963][ T5695] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.601125][ T5695] CPU: 1 PID: 5695 Comm: syz.1.65 Not tainted syzkaller #0 [ 84.602177][ T5695] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.603647][ T5695] Call trace: [ 84.604093][ T5695] dump_backtrace+0x0/0x43c [ 84.604741][ T5695] show_stack+0x2c/0x3c [ 84.605344][ T5695] __dump_stack+0x30/0x40 [ 84.605939][ T5695] dump_stack_lvl+0xf8/0x160 [ 84.606587][ T5695] dump_stack+0x1c/0x5c [ 84.607213][ T5695] sysfs_create_dir_ns+0x22c/0x24c [ 84.607910][ T5695] kobject_add_internal+0x590/0xc54 [ 84.608660][ T5695] kobject_init_and_add+0x118/0x17c [ 84.609418][ T5695] gfs2_sys_fs_add+0x1dc/0x3d8 [ 84.610117][ T5695] gfs2_fill_super+0xdac/0x19e0 [ 84.610757][ T5695] get_tree_bdev+0x358/0x544 [ 84.611409][ T5695] gfs2_get_tree+0x54/0x1b4 [ 84.612012][ T5695] vfs_get_tree+0x90/0x274 [ 84.612636][ T5695] do_new_mount+0x228/0x810 [ 84.613392][ T5695] path_mount+0x5b4/0x1000 [ 84.614129][ T5695] __arm64_sys_mount+0x514/0x5e4 [ 84.614897][ T5695] invoke_syscall+0x98/0x2b8 [ 84.615571][ T5695] el0_svc_common+0x138/0x258 [ 84.616277][ T5695] do_el0_svc+0x58/0x14c [ 84.616929][ T5695] el0_svc+0x78/0x1e0 [ 84.617536][ T5695] el0t_64_sync_handler+0xcc/0xe4 [ 84.618236][ T5695] el0t_64_sync+0x1a0/0x1a4 [ 84.619691][ T5693] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.620767][ T5693] CPU: 1 PID: 5693 Comm: syz.0.64 Not tainted syzkaller #0 [ 84.621827][ T5693] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.623308][ T5693] Call trace: [ 84.623739][ T5693] dump_backtrace+0x0/0x43c [ 84.624453][ T5693] show_stack+0x2c/0x3c [ 84.625083][ T5693] __dump_stack+0x30/0x40 [ 84.625721][ T5693] dump_stack_lvl+0xf8/0x160 [ 84.626389][ T5693] dump_stack+0x1c/0x5c [ 84.627004][ T5693] sysfs_create_dir_ns+0x22c/0x24c [ 84.627873][ T5693] kobject_add_internal+0x590/0xc54 [ 84.628779][ T5693] kobject_init_and_add+0x118/0x17c [ 84.629676][ T5693] gfs2_sys_fs_add+0x1dc/0x3d8 [ 84.630485][ T5693] gfs2_fill_super+0xdac/0x19e0 [ 84.631271][ T5693] get_tree_bdev+0x358/0x544 [ 84.631963][ T5693] gfs2_get_tree+0x54/0x1b4 [ 84.632615][ T5693] vfs_get_tree+0x90/0x274 [ 84.633234][ T5693] do_new_mount+0x228/0x810 [ 84.633944][ T5693] path_mount+0x5b4/0x1000 [ 84.634590][ T5693] __arm64_sys_mount+0x514/0x5e4 [ 84.635280][ T5693] invoke_syscall+0x98/0x2b8 [ 84.635919][ T5693] el0_svc_common+0x138/0x258 [ 84.636604][ T5693] do_el0_svc+0x58/0x14c [ 84.637203][ T5693] el0_svc+0x78/0x1e0 [ 84.637728][ T5693] el0t_64_sync_handler+0xcc/0xe4 [ 84.638429][ T5693] el0t_64_sync+0x1a0/0x1a4 [ 84.651945][ T5695] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.653829][ T5693] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.655637][ T5695] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.656563][ T5693] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.660969][ T5699] loop3: detected capacity change from 0 to 32768 [ 84.661295][ T5697] loop2: detected capacity change from 0 to 32768 [ 84.672922][ T5699] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.674046][ T5699] CPU: 0 PID: 5699 Comm: syz.3.67 Not tainted syzkaller #0 [ 84.674986][ T5699] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.676282][ T5699] Call trace: [ 84.676689][ T5699] dump_backtrace+0x0/0x43c [ 84.677287][ T5699] show_stack+0x2c/0x3c [ 84.677869][ T5699] __dump_stack+0x30/0x40 [ 84.678576][ T5699] dump_stack_lvl+0xf8/0x160 [ 84.679335][ T5699] dump_stack+0x1c/0x5c [ 84.679935][ T5699] sysfs_create_dir_ns+0x22c/0x24c [ 84.680716][ T5699] kobject_add_internal+0x590/0xc54 [ 84.681410][ T5699] kobject_init_and_add+0x118/0x17c [ 84.682131][ T5699] gfs2_sys_fs_add+0x1dc/0x3d8 [ 84.682774][ T5699] gfs2_fill_super+0xdac/0x19e0 [ 84.683474][ T5699] get_tree_bdev+0x358/0x544 [ 84.684123][ T5699] gfs2_get_tree+0x54/0x1b4 [ 84.684788][ T5699] vfs_get_tree+0x90/0x274 [ 84.685436][ T5699] do_new_mount+0x228/0x810 [ 84.686106][ T5699] path_mount+0x5b4/0x1000 [ 84.686761][ T5699] __arm64_sys_mount+0x514/0x5e4 [ 84.687436][ T5699] invoke_syscall+0x98/0x2b8 [ 84.688117][ T5699] el0_svc_common+0x138/0x258 [ 84.688802][ T5699] do_el0_svc+0x58/0x14c [ 84.689396][ T5699] el0_svc+0x78/0x1e0 [ 84.689956][ T5699] el0t_64_sync_handler+0xcc/0xe4 [ 84.690580][ T5699] el0t_64_sync+0x1a0/0x1a4 [ 84.704256][ T5699] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.706176][ T5699] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.745962][ T5697] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.747295][ T5697] CPU: 1 PID: 5697 Comm: syz.2.66 Not tainted syzkaller #0 [ 84.748376][ T5697] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.749840][ T5697] Call trace: [ 84.750302][ T5697] dump_backtrace+0x0/0x43c [ 84.750982][ T5697] show_stack+0x2c/0x3c [ 84.751633][ T5697] __dump_stack+0x30/0x40 [ 84.752252][ T5697] dump_stack_lvl+0xf8/0x160 [ 84.752868][ T5697] dump_stack+0x1c/0x5c [ 84.753452][ T5697] sysfs_create_dir_ns+0x22c/0x24c [ 84.754166][ T5697] kobject_add_internal+0x590/0xc54 [ 84.754888][ T5697] kobject_init_and_add+0x118/0x17c [ 84.755576][ T5697] gfs2_sys_fs_add+0x1dc/0x3d8 [ 84.756267][ T5697] gfs2_fill_super+0xdac/0x19e0 [ 84.756981][ T5697] get_tree_bdev+0x358/0x544 [ 84.757618][ T5697] gfs2_get_tree+0x54/0x1b4 [ 84.758264][ T5697] vfs_get_tree+0x90/0x274 [ 84.758914][ T5697] do_new_mount+0x228/0x810 [ 84.759611][ T5697] path_mount+0x5b4/0x1000 [ 84.760200][ T5697] __arm64_sys_mount+0x514/0x5e4 [ 84.760885][ T5697] invoke_syscall+0x98/0x2b8 [ 84.761574][ T5697] el0_svc_common+0x138/0x258 [ 84.762240][ T5697] do_el0_svc+0x58/0x14c [ 84.762869][ T5697] el0_svc+0x78/0x1e0 [ 84.763442][ T5697] el0t_64_sync_handler+0xcc/0xe4 [ 84.764163][ T5697] el0t_64_sync+0x1a0/0x1a4 [ 84.785256][ T5697] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.787216][ T5697] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.833910][ T5695] loop1: detected capacity change from 0 to 32768 [ 84.872054][ T5695] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.873206][ T5695] CPU: 1 PID: 5695 Comm: syz.1.65 Not tainted syzkaller #0 [ 84.874349][ T5695] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.875813][ T5695] Call trace: [ 84.876353][ T5695] dump_backtrace+0x0/0x43c [ 84.877010][ T5695] show_stack+0x2c/0x3c [ 84.877608][ T5695] __dump_stack+0x30/0x40 [ 84.878251][ T5695] dump_stack_lvl+0xf8/0x160 [ 84.878956][ T5695] dump_stack+0x1c/0x5c [ 84.879573][ T5695] sysfs_create_dir_ns+0x22c/0x24c [ 84.880357][ T5695] kobject_add_internal+0x590/0xc54 [ 84.881106][ T5695] kobject_init_and_add+0x118/0x17c [ 84.881884][ T5695] gfs2_sys_fs_add+0x1dc/0x3d8 [ 84.882542][ T5695] gfs2_fill_super+0xdac/0x19e0 [ 84.883314][ T5695] get_tree_bdev+0x358/0x544 [ 84.884035][ T5695] gfs2_get_tree+0x54/0x1b4 [ 84.884736][ T5695] vfs_get_tree+0x90/0x274 [ 84.885380][ T5695] do_new_mount+0x228/0x810 [ 84.886111][ T5695] path_mount+0x5b4/0x1000 [ 84.886783][ T5695] __arm64_sys_mount+0x514/0x5e4 [ 84.887522][ T5695] invoke_syscall+0x98/0x2b8 [ 84.888158][ T5695] el0_svc_common+0x138/0x258 [ 84.888862][ T5695] do_el0_svc+0x58/0x14c [ 84.889486][ T5695] el0_svc+0x78/0x1e0 [ 84.890087][ T5695] el0t_64_sync_handler+0xcc/0xe4 [ 84.890799][ T5695] el0t_64_sync+0x1a0/0x1a4 [ 84.917837][ T5695] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.919872][ T5695] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.936468][ T5701] loop0: detected capacity change from 0 to 32768 [ 84.947592][ T5701] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.948766][ T5701] CPU: 0 PID: 5701 Comm: syz.0.68 Not tainted syzkaller #0 [ 84.949820][ T5701] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.951321][ T5701] Call trace: [ 84.952013][ T5701] dump_backtrace+0x0/0x43c [ 84.952619][ T5701] show_stack+0x2c/0x3c [ 84.953203][ T5701] __dump_stack+0x30/0x40 [ 84.953819][ T5701] dump_stack_lvl+0xf8/0x160 [ 84.954464][ T5701] dump_stack+0x1c/0x5c [ 84.955142][ T5701] sysfs_create_dir_ns+0x22c/0x24c [ 84.955844][ T5701] kobject_add_internal+0x590/0xc54 [ 84.956572][ T5701] kobject_init_and_add+0x118/0x17c [ 84.957313][ T5701] gfs2_sys_fs_add+0x1dc/0x3d8 [ 84.957980][ T5701] gfs2_fill_super+0xdac/0x19e0 [ 84.958643][ T5701] get_tree_bdev+0x358/0x544 [ 84.959253][ T5701] gfs2_get_tree+0x54/0x1b4 [ 84.959867][ T5701] vfs_get_tree+0x90/0x274 [ 84.960479][ T5701] do_new_mount+0x228/0x810 [ 84.961158][ T5701] path_mount+0x5b4/0x1000 [ 84.961804][ T5701] __arm64_sys_mount+0x514/0x5e4 [ 84.962554][ T5701] invoke_syscall+0x98/0x2b8 [ 84.963172][ T5701] el0_svc_common+0x138/0x258 [ 84.963882][ T5701] do_el0_svc+0x58/0x14c [ 84.964512][ T5701] el0_svc+0x78/0x1e0 [ 84.965044][ T5701] el0t_64_sync_handler+0xcc/0xe4 [ 84.965770][ T5701] el0t_64_sync+0x1a0/0x1a4 [ 84.987205][ T5697] loop2: detected capacity change from 0 to 32768 [ 84.988946][ T5697] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.990052][ T5697] CPU: 1 PID: 5697 Comm: syz.2.66 Not tainted syzkaller #0 [ 84.991137][ T5697] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.992654][ T5697] Call trace: [ 84.993095][ T5697] dump_backtrace+0x0/0x43c [ 84.993733][ T5697] show_stack+0x2c/0x3c [ 84.994336][ T5697] __dump_stack+0x30/0x40 [ 84.994953][ T5697] dump_stack_lvl+0xf8/0x160 [ 84.995598][ T5697] dump_stack+0x1c/0x5c [ 84.996233][ T5697] sysfs_create_dir_ns+0x22c/0x24c [ 84.996962][ T5697] kobject_add_internal+0x590/0xc54 [ 84.997699][ T5697] kobject_init_and_add+0x118/0x17c [ 84.998464][ T5697] gfs2_sys_fs_add+0x1dc/0x3d8 [ 84.999189][ T5697] gfs2_fill_super+0xdac/0x19e0 [ 84.999940][ T5697] get_tree_bdev+0x358/0x544 [ 85.000599][ T5697] gfs2_get_tree+0x54/0x1b4 [ 85.001230][ T5697] vfs_get_tree+0x90/0x274 [ 85.001877][ T5697] do_new_mount+0x228/0x810 [ 85.002492][ T5697] path_mount+0x5b4/0x1000 [ 85.003068][ T5697] __arm64_sys_mount+0x514/0x5e4 [ 85.003392][ T5701] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 85.003821][ T5697] invoke_syscall+0x98/0x2b8 [ 85.005832][ T5701] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 85.006388][ T5697] el0_svc_common+0x138/0x258 [ 85.008048][ T5697] do_el0_svc+0x58/0x14c [ 85.008644][ T5697] el0_svc+0x78/0x1e0 [ 85.009233][ T5697] el0t_64_sync_handler+0xcc/0xe4 [ 85.009921][ T5697] el0t_64_sync+0x1a0/0x1a4 [ 85.049027][ T5699] loop3: detected capacity change from 0 to 32768 [ 85.050269][ T5697] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 85.052485][ T5697] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 85.110705][ T5703] loop1: detected capacity change from 0 to 32768 [ 85.130602][ T5699] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 85.131833][ T5699] CPU: 0 PID: 5699 Comm: syz.3.67 Not tainted syzkaller #0 [ 85.132858][ T5699] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.134348][ T5699] Call trace: [ 85.134829][ T5699] dump_backtrace+0x0/0x43c [ 85.135502][ T5699] show_stack+0x2c/0x3c [ 85.136113][ T5699] __dump_stack+0x30/0x40 [ 85.136764][ T5699] dump_stack_lvl+0xf8/0x160 [ 85.137436][ T5699] dump_stack+0x1c/0x5c [ 85.138015][ T5699] sysfs_create_dir_ns+0x22c/0x24c [ 85.138738][ T5699] kobject_add_internal+0x590/0xc54 [ 85.139562][ T5699] kobject_init_and_add+0x118/0x17c [ 85.140335][ T5699] gfs2_sys_fs_add+0x1dc/0x3d8 [ 85.141019][ T5699] gfs2_fill_super+0xdac/0x19e0 [ 85.141713][ T5699] get_tree_bdev+0x358/0x544 [ 85.142426][ T5699] gfs2_get_tree+0x54/0x1b4 [ 85.143073][ T5699] vfs_get_tree+0x90/0x274 [ 85.143722][ T5699] do_new_mount+0x228/0x810 [ 85.144401][ T5699] path_mount+0x5b4/0x1000 [ 85.145050][ T5699] __arm64_sys_mount+0x514/0x5e4 [ 85.145747][ T5699] invoke_syscall+0x98/0x2b8 [ 85.146393][ T5699] el0_svc_common+0x138/0x258 [ 85.147042][ T5699] do_el0_svc+0x58/0x14c [ 85.147637][ T5699] el0_svc+0x78/0x1e0 [ 85.148193][ T5699] el0t_64_sync_handler+0xcc/0xe4 [ 85.148912][ T5699] el0t_64_sync+0x1a0/0x1a4 [ 85.152284][ T5703] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 85.153362][ T5703] CPU: 1 PID: 5703 Comm: syz.1.69 Not tainted syzkaller #0 [ 85.154316][ T5703] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.155645][ T5703] Call trace: [ 85.156048][ T5703] dump_backtrace+0x0/0x43c [ 85.156738][ T5703] show_stack+0x2c/0x3c [ 85.157359][ T5703] __dump_stack+0x30/0x40 [ 85.158017][ T5703] dump_stack_lvl+0xf8/0x160 [ 85.158664][ T5703] dump_stack+0x1c/0x5c [ 85.159259][ T5703] sysfs_create_dir_ns+0x22c/0x24c [ 85.160034][ T5703] kobject_add_internal+0x590/0xc54 [ 85.160756][ T5703] kobject_init_and_add+0x118/0x17c [ 85.161480][ T5703] gfs2_sys_fs_add+0x1dc/0x3d8 [ 85.162138][ T5703] gfs2_fill_super+0xdac/0x19e0 [ 85.162952][ T5703] get_tree_bdev+0x358/0x544 [ 85.163721][ T5703] gfs2_get_tree+0x54/0x1b4 [ 85.164475][ T5703] vfs_get_tree+0x90/0x274 [ 85.165128][ T5699] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 85.165147][ T5703] do_new_mount+0x228/0x810 [ 85.166995][ T5699] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 85.167613][ T5703] path_mount+0x5b4/0x1000 [ 85.169294][ T5703] __arm64_sys_mount+0x514/0x5e4 [ 85.170059][ T5703] invoke_syscall+0x98/0x2b8 [ 85.170724][ T5703] el0_svc_common+0x138/0x258 [ 85.171403][ T5703] do_el0_svc+0x58/0x14c [ 85.172012][ T5703] el0_svc+0x78/0x1e0 [ 85.172595][ T5703] el0t_64_sync_handler+0xcc/0xe4 [ 85.173360][ T5703] el0t_64_sync+0x1a0/0x1a4 [ 85.204620][ T5703] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 85.206480][ T5703] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 85.234798][ T5705] loop2: detected capacity change from 0 to 32768 [ 85.267300][ T5705] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 85.282597][ T5705] CPU: 0 PID: 5705 Comm: syz.2.70 Not tainted syzkaller #0 [ 85.283741][ T5705] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.285262][ T5705] Call trace: [ 85.285710][ T5705] dump_backtrace+0x0/0x43c [ 85.286322][ T5705] show_stack+0x2c/0x3c [ 85.286975][ T5705] __dump_stack+0x30/0x40 [ 85.287610][ T5705] dump_stack_lvl+0xf8/0x160 [ 85.288287][ T5705] dump_stack+0x1c/0x5c [ 85.288873][ T5705] sysfs_create_dir_ns+0x22c/0x24c [ 85.289602][ T5705] kobject_add_internal+0x590/0xc54 [ 85.290362][ T5705] kobject_init_and_add+0x118/0x17c [ 85.291136][ T5705] gfs2_sys_fs_add+0x1dc/0x3d8 [ 85.291789][ T5705] gfs2_fill_super+0xdac/0x19e0 [ 85.292467][ T5705] get_tree_bdev+0x358/0x544 [ 85.293102][ T5705] gfs2_get_tree+0x54/0x1b4 [ 85.293745][ T5705] vfs_get_tree+0x90/0x274 [ 85.294379][ T5705] do_new_mount+0x228/0x810 [ 85.294991][ T5705] path_mount+0x5b4/0x1000 [ 85.295632][ T5701] loop0: detected capacity change from 0 to 32768 [ 85.295643][ T5705] __arm64_sys_mount+0x514/0x5e4 [ 85.297237][ T5705] invoke_syscall+0x98/0x2b8 [ 85.297915][ T5705] el0_svc_common+0x138/0x258 [ 85.298598][ T5705] do_el0_svc+0x58/0x14c [ 85.299151][ T5705] el0_svc+0x78/0x1e0 [ 85.299717][ T5705] el0t_64_sync_handler+0xcc/0xe4 [ 85.300442][ T5705] el0t_64_sync+0x1a0/0x1a4 [ 85.338566][ T5705] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 85.340568][ T5705] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 85.340635][ T5701] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 85.342500][ T5701] CPU: 1 PID: 5701 Comm: syz.0.68 Not tainted syzkaller #0 [ 85.343549][ T5701] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.344911][ T5701] Call trace: [ 85.345372][ T5701] dump_backtrace+0x0/0x43c [ 85.346018][ T5701] show_stack+0x2c/0x3c [ 85.346630][ T5701] __dump_stack+0x30/0x40 [ 85.347296][ T5701] dump_stack_lvl+0xf8/0x160 [ 85.347952][ T5701] dump_stack+0x1c/0x5c [ 85.348579][ T5701] sysfs_create_dir_ns+0x22c/0x24c [ 85.349316][ T5701] kobject_add_internal+0x590/0xc54 [ 85.350035][ T5701] kobject_init_and_add+0x118/0x17c [ 85.350774][ T5701] gfs2_sys_fs_add+0x1dc/0x3d8 [ 85.351432][ T5701] gfs2_fill_super+0xdac/0x19e0 [ 85.352126][ T5701] get_tree_bdev+0x358/0x544 [ 85.352763][ T5701] gfs2_get_tree+0x54/0x1b4 [ 85.353422][ T5701] vfs_get_tree+0x90/0x274 [ 85.354056][ T5701] do_new_mount+0x228/0x810 [ 85.354669][ T5701] path_mount+0x5b4/0x1000 [ 85.355273][ T5701] __arm64_sys_mount+0x514/0x5e4 [ 85.355976][ T5701] invoke_syscall+0x98/0x2b8 [ 85.356620][ T5701] el0_svc_common+0x138/0x258 [ 85.357279][ T5701] do_el0_svc+0x58/0x14c [ 85.357869][ T5701] el0_svc+0x78/0x1e0 [ 85.358414][ T5701] el0t_64_sync_handler+0xcc/0xe4 [ 85.359105][ T5701] el0t_64_sync+0x1a0/0x1a4 [ 85.388517][ T5701] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 85.398738][ T5701] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:01:25 executed programs: 67 [ 85.490236][ T5707] loop3: detected capacity change from 0 to 32768 [ 85.516181][ T5703] loop1: detected capacity change from 0 to 32768 [ 85.527359][ T5707] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 85.528452][ T5707] CPU: 1 PID: 5707 Comm: syz.3.71 Not tainted syzkaller #0 [ 85.529538][ T5707] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.531254][ T5707] Call trace: [ 85.531811][ T5707] dump_backtrace+0x0/0x43c [ 85.532564][ T5707] show_stack+0x2c/0x3c [ 85.533282][ T5707] __dump_stack+0x30/0x40 [ 85.533955][ T5707] dump_stack_lvl+0xf8/0x160 [ 85.534687][ T5707] dump_stack+0x1c/0x5c [ 85.535307][ T5707] sysfs_create_dir_ns+0x22c/0x24c [ 85.536075][ T5707] kobject_add_internal+0x590/0xc54 [ 85.536848][ T5707] kobject_init_and_add+0x118/0x17c [ 85.537661][ T5707] gfs2_sys_fs_add+0x1dc/0x3d8 [ 85.538375][ T5707] gfs2_fill_super+0xdac/0x19e0 [ 85.539126][ T5707] get_tree_bdev+0x358/0x544 [ 85.539927][ T5707] gfs2_get_tree+0x54/0x1b4 [ 85.540710][ T5707] vfs_get_tree+0x90/0x274 [ 85.541441][ T5707] do_new_mount+0x228/0x810 [ 85.542082][ T5707] path_mount+0x5b4/0x1000 [ 85.542703][ T5707] __arm64_sys_mount+0x514/0x5e4 [ 85.543413][ T5707] invoke_syscall+0x98/0x2b8 [ 85.544078][ T5707] el0_svc_common+0x138/0x258 [ 85.544746][ T5707] do_el0_svc+0x58/0x14c [ 85.545354][ T5707] el0_svc+0x78/0x1e0 [ 85.545906][ T5707] el0t_64_sync_handler+0xcc/0xe4 [ 85.546601][ T5707] el0t_64_sync+0x1a0/0x1a4 [ 85.558494][ T5707] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 85.560524][ T5707] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 85.611022][ T5709] loop0: detected capacity change from 0 to 32768 [ 85.618849][ T5703] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 85.619998][ T5703] CPU: 0 PID: 5703 Comm: syz.1.69 Not tainted syzkaller #0 [ 85.621036][ T5703] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.622454][ T5703] Call trace: [ 85.622877][ T5703] dump_backtrace+0x0/0x43c [ 85.623506][ T5703] show_stack+0x2c/0x3c [ 85.624092][ T5703] __dump_stack+0x30/0x40 [ 85.624673][ T5703] dump_stack_lvl+0xf8/0x160 [ 85.625334][ T5703] dump_stack+0x1c/0x5c [ 85.625896][ T5703] sysfs_create_dir_ns+0x22c/0x24c [ 85.626607][ T5703] kobject_add_internal+0x590/0xc54 [ 85.627382][ T5703] kobject_init_and_add+0x118/0x17c [ 85.628139][ T5703] gfs2_sys_fs_add+0x1dc/0x3d8 [ 85.628852][ T5703] gfs2_fill_super+0xdac/0x19e0 [ 85.629545][ T5703] get_tree_bdev+0x358/0x544 [ 85.630180][ T5703] gfs2_get_tree+0x54/0x1b4 [ 85.630787][ T5703] vfs_get_tree+0x90/0x274 [ 85.631408][ T5703] do_new_mount+0x228/0x810 [ 85.632124][ T5703] path_mount+0x5b4/0x1000 [ 85.632862][ T5703] __arm64_sys_mount+0x514/0x5e4 [ 85.633687][ T5703] invoke_syscall+0x98/0x2b8 [ 85.634378][ T5703] el0_svc_common+0x138/0x258 [ 85.635064][ T5703] do_el0_svc+0x58/0x14c [ 85.635672][ T5703] el0_svc+0x78/0x1e0 [ 85.636225][ T5703] el0t_64_sync_handler+0xcc/0xe4 [ 85.636956][ T5703] el0t_64_sync+0x1a0/0x1a4 [ 85.638516][ T5705] loop2: detected capacity change from 0 to 32768 [ 85.641118][ T5703] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 85.643123][ T5703] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 85.657221][ T5709] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 85.658395][ T5709] CPU: 0 PID: 5709 Comm: syz.0.72 Not tainted syzkaller #0 [ 85.659437][ T5709] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.660896][ T5709] Call trace: [ 85.661316][ T5709] dump_backtrace+0x0/0x43c [ 85.661940][ T5709] show_stack+0x2c/0x3c [ 85.662522][ T5709] __dump_stack+0x30/0x40 [ 85.663108][ T5709] dump_stack_lvl+0xf8/0x160 [ 85.663786][ T5709] dump_stack+0x1c/0x5c [ 85.664398][ T5709] sysfs_create_dir_ns+0x22c/0x24c [ 85.665146][ T5709] kobject_add_internal+0x590/0xc54 [ 85.665948][ T5709] kobject_init_and_add+0x118/0x17c [ 85.666676][ T5709] gfs2_sys_fs_add+0x1dc/0x3d8 [ 85.667349][ T5709] gfs2_fill_super+0xdac/0x19e0 [ 85.668033][ T5709] get_tree_bdev+0x358/0x544 [ 85.668702][ T5709] gfs2_get_tree+0x54/0x1b4 [ 85.669391][ T5709] vfs_get_tree+0x90/0x274 [ 85.670067][ T5709] do_new_mount+0x228/0x810 [ 85.670742][ T5709] path_mount+0x5b4/0x1000 [ 85.671330][ T5709] __arm64_sys_mount+0x514/0x5e4 [ 85.672004][ T5709] invoke_syscall+0x98/0x2b8 [ 85.672725][ T5709] el0_svc_common+0x138/0x258 [ 85.673511][ T5709] do_el0_svc+0x58/0x14c [ 85.674109][ T5709] el0_svc+0x78/0x1e0 [ 85.674701][ T5709] el0t_64_sync_handler+0xcc/0xe4 [ 85.675367][ T5709] el0t_64_sync+0x1a0/0x1a4 [ 85.678766][ T5705] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 85.679923][ T5705] CPU: 1 PID: 5705 Comm: syz.2.70 Not tainted syzkaller #0 [ 85.680944][ T5705] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.682351][ T5705] Call trace: [ 85.682809][ T5705] dump_backtrace+0x0/0x43c [ 85.683439][ T5705] show_stack+0x2c/0x3c [ 85.683992][ T5705] __dump_stack+0x30/0x40 [ 85.684588][ T5705] dump_stack_lvl+0xf8/0x160 [ 85.685259][ T5705] dump_stack+0x1c/0x5c [ 85.685871][ T5705] sysfs_create_dir_ns+0x22c/0x24c [ 85.686564][ T5705] kobject_add_internal+0x590/0xc54 [ 85.687312][ T5705] kobject_init_and_add+0x118/0x17c [ 85.688044][ T5705] gfs2_sys_fs_add+0x1dc/0x3d8 [ 85.688770][ T5705] gfs2_fill_super+0xdac/0x19e0 [ 85.689451][ T5705] get_tree_bdev+0x358/0x544 [ 85.690079][ T5705] gfs2_get_tree+0x54/0x1b4 [ 85.690713][ T5705] vfs_get_tree+0x90/0x274 [ 85.691324][ T5705] do_new_mount+0x228/0x810 [ 85.691374][ T5709] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 85.691919][ T5705] path_mount+0x5b4/0x1000 [ 85.693803][ T5709] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 85.694329][ T5705] __arm64_sys_mount+0x514/0x5e4 [ 85.695877][ T5705] invoke_syscall+0x98/0x2b8 [ 85.696566][ T5705] el0_svc_common+0x138/0x258 [ 85.697299][ T5705] do_el0_svc+0x58/0x14c [ 85.697919][ T5705] el0_svc+0x78/0x1e0 [ 85.698480][ T5705] el0t_64_sync_handler+0xcc/0xe4 [ 85.699168][ T5705] el0t_64_sync+0x1a0/0x1a4 [ 85.721483][ T5705] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 85.723483][ T5705] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 85.799771][ T5707] loop3: detected capacity change from 0 to 32768 [ 85.827225][ T5707] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 85.828884][ T5707] CPU: 1 PID: 5707 Comm: syz.3.71 Not tainted syzkaller #0 [ 85.830038][ T5707] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.831588][ T5707] Call trace: [ 85.832087][ T5707] dump_backtrace+0x0/0x43c [ 85.832788][ T5707] show_stack+0x2c/0x3c [ 85.833441][ T5707] __dump_stack+0x30/0x40 [ 85.834125][ T5707] dump_stack_lvl+0xf8/0x160 [ 85.834823][ T5707] dump_stack+0x1c/0x5c [ 85.835402][ T5707] sysfs_create_dir_ns+0x22c/0x24c [ 85.836150][ T5707] kobject_add_internal+0x590/0xc54 [ 85.836912][ T5707] kobject_init_and_add+0x118/0x17c [ 85.837681][ T5707] gfs2_sys_fs_add+0x1dc/0x3d8 [ 85.838338][ T5707] gfs2_fill_super+0xdac/0x19e0 [ 85.838992][ T5707] get_tree_bdev+0x358/0x544 [ 85.839642][ T5707] gfs2_get_tree+0x54/0x1b4 [ 85.840242][ T5707] vfs_get_tree+0x90/0x274 [ 85.840848][ T5707] do_new_mount+0x228/0x810 [ 85.841492][ T5707] path_mount+0x5b4/0x1000 [ 85.842169][ T5707] __arm64_sys_mount+0x514/0x5e4 [ 85.842943][ T5707] invoke_syscall+0x98/0x2b8 [ 85.843647][ T5707] el0_svc_common+0x138/0x258 [ 85.844376][ T5707] do_el0_svc+0x58/0x14c [ 85.845051][ T5707] el0_svc+0x78/0x1e0 [ 85.845628][ T5707] el0t_64_sync_handler+0xcc/0xe4 [ 85.846343][ T5707] el0t_64_sync+0x1a0/0x1a4 [ 85.873342][ T5707] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 85.875278][ T5707] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 85.961887][ T5709] loop0: detected capacity change from 0 to 32768 [ 85.988403][ T5711] loop1: detected capacity change from 0 to 32768 [ 86.010322][ T5709] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 86.011525][ T5709] CPU: 0 PID: 5709 Comm: syz.0.72 Not tainted syzkaller #0 [ 86.012574][ T5709] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.014049][ T5709] Call trace: [ 86.014541][ T5709] dump_backtrace+0x0/0x43c [ 86.015253][ T5709] show_stack+0x2c/0x3c [ 86.015874][ T5709] __dump_stack+0x30/0x40 [ 86.016468][ T5709] dump_stack_lvl+0xf8/0x160 [ 86.017078][ T5709] dump_stack+0x1c/0x5c [ 86.017683][ T5709] sysfs_create_dir_ns+0x22c/0x24c [ 86.018426][ T5709] kobject_add_internal+0x590/0xc54 [ 86.019149][ T5709] kobject_init_and_add+0x118/0x17c [ 86.019844][ T5709] gfs2_sys_fs_add+0x1dc/0x3d8 [ 86.020516][ T5709] gfs2_fill_super+0xdac/0x19e0 [ 86.021237][ T5709] get_tree_bdev+0x358/0x544 [ 86.021896][ T5709] gfs2_get_tree+0x54/0x1b4 [ 86.022492][ T5709] vfs_get_tree+0x90/0x274 [ 86.023146][ T5709] do_new_mount+0x228/0x810 [ 86.023786][ T5709] path_mount+0x5b4/0x1000 [ 86.024382][ T5709] __arm64_sys_mount+0x514/0x5e4 [ 86.025109][ T5709] invoke_syscall+0x98/0x2b8 [ 86.025804][ T5709] el0_svc_common+0x138/0x258 [ 86.026465][ T5709] do_el0_svc+0x58/0x14c [ 86.027096][ T5709] el0_svc+0x78/0x1e0 [ 86.027685][ T5709] el0t_64_sync_handler+0xcc/0xe4 [ 86.028397][ T5709] el0t_64_sync+0x1a0/0x1a4 [ 86.038099][ T5711] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 86.039281][ T5711] CPU: 1 PID: 5711 Comm: syz.1.73 Not tainted syzkaller #0 [ 86.040357][ T5711] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.041784][ T5711] Call trace: [ 86.042218][ T5711] dump_backtrace+0x0/0x43c [ 86.042892][ T5711] show_stack+0x2c/0x3c [ 86.043473][ T5711] __dump_stack+0x30/0x40 [ 86.044124][ T5711] dump_stack_lvl+0xf8/0x160 [ 86.044806][ T5711] dump_stack+0x1c/0x5c [ 86.045386][ T5711] sysfs_create_dir_ns+0x22c/0x24c [ 86.046179][ T5711] kobject_add_internal+0x590/0xc54 [ 86.046558][ T5709] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 86.046864][ T5711] kobject_init_and_add+0x118/0x17c [ 86.048723][ T5709] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 86.049393][ T5711] gfs2_sys_fs_add+0x1dc/0x3d8 [ 86.049411][ T5711] gfs2_fill_super+0xdac/0x19e0 [ 86.051558][ T5711] get_tree_bdev+0x358/0x544 [ 86.052243][ T5711] gfs2_get_tree+0x54/0x1b4 [ 86.052907][ T5711] vfs_get_tree+0x90/0x274 [ 86.053550][ T5711] do_new_mount+0x228/0x810 [ 86.054212][ T5711] path_mount+0x5b4/0x1000 [ 86.054966][ T5711] __arm64_sys_mount+0x514/0x5e4 [ 86.055792][ T5711] invoke_syscall+0x98/0x2b8 [ 86.056523][ T5711] el0_svc_common+0x138/0x258 [ 86.057241][ T5711] do_el0_svc+0x58/0x14c [ 86.057924][ T5711] el0_svc+0x78/0x1e0 [ 86.058556][ T5711] el0t_64_sync_handler+0xcc/0xe4 [ 86.059360][ T5711] el0t_64_sync+0x1a0/0x1a4 [ 86.086905][ T5713] loop2: detected capacity change from 0 to 32768 [ 86.105825][ T5715] loop3: detected capacity change from 0 to 32768 [ 86.107992][ T5711] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 86.110204][ T5711] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 86.118636][ T5713] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 86.119875][ T5713] CPU: 0 PID: 5713 Comm: syz.2.74 Not tainted syzkaller #0 [ 86.120957][ T5713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.122304][ T5713] Call trace: [ 86.122831][ T5713] dump_backtrace+0x0/0x43c [ 86.123435][ T5713] show_stack+0x2c/0x3c [ 86.123988][ T5713] __dump_stack+0x30/0x40 [ 86.124691][ T5713] dump_stack_lvl+0xf8/0x160 [ 86.125438][ T5713] dump_stack+0x1c/0x5c [ 86.126143][ T5713] sysfs_create_dir_ns+0x22c/0x24c [ 86.126949][ T5713] kobject_add_internal+0x590/0xc54 [ 86.127721][ T5713] kobject_init_and_add+0x118/0x17c [ 86.128487][ T5713] gfs2_sys_fs_add+0x1dc/0x3d8 [ 86.129164][ T5713] gfs2_fill_super+0xdac/0x19e0 [ 86.129828][ T5713] get_tree_bdev+0x358/0x544 [ 86.130510][ T5713] gfs2_get_tree+0x54/0x1b4 [ 86.131189][ T5713] vfs_get_tree+0x90/0x274 [ 86.131791][ T5713] do_new_mount+0x228/0x810 [ 86.132395][ T5713] path_mount+0x5b4/0x1000 [ 86.133041][ T5713] __arm64_sys_mount+0x514/0x5e4 [ 86.133762][ T5713] invoke_syscall+0x98/0x2b8 [ 86.134442][ T5713] el0_svc_common+0x138/0x258 [ 86.135117][ T5713] do_el0_svc+0x58/0x14c [ 86.135699][ T5713] el0_svc+0x78/0x1e0 [ 86.136188][ T5713] el0t_64_sync_handler+0xcc/0xe4 [ 86.136837][ T5713] el0t_64_sync+0x1a0/0x1a4 [ 86.158038][ T5713] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 86.166957][ T5713] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 86.170290][ T5715] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 86.171386][ T5715] CPU: 1 PID: 5715 Comm: syz.3.75 Not tainted syzkaller #0 [ 86.172459][ T5715] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.173956][ T5715] Call trace: [ 86.174454][ T5715] dump_backtrace+0x0/0x43c [ 86.175092][ T5715] show_stack+0x2c/0x3c [ 86.175711][ T5715] __dump_stack+0x30/0x40 [ 86.176341][ T5715] dump_stack_lvl+0xf8/0x160 [ 86.177023][ T5715] dump_stack+0x1c/0x5c [ 86.177679][ T5715] sysfs_create_dir_ns+0x22c/0x24c [ 86.178444][ T5715] kobject_add_internal+0x590/0xc54 [ 86.179236][ T5715] kobject_init_and_add+0x118/0x17c [ 86.179994][ T5715] gfs2_sys_fs_add+0x1dc/0x3d8 [ 86.180664][ T5715] gfs2_fill_super+0xdac/0x19e0 [ 86.181343][ T5715] get_tree_bdev+0x358/0x544 [ 86.181971][ T5715] gfs2_get_tree+0x54/0x1b4 [ 86.182612][ T5715] vfs_get_tree+0x90/0x274 [ 86.183285][ T5715] do_new_mount+0x228/0x810 [ 86.183980][ T5715] path_mount+0x5b4/0x1000 [ 86.184597][ T5715] __arm64_sys_mount+0x514/0x5e4 [ 86.185299][ T5715] invoke_syscall+0x98/0x2b8 [ 86.186030][ T5715] el0_svc_common+0x138/0x258 [ 86.186724][ T5715] do_el0_svc+0x58/0x14c [ 86.187313][ T5715] el0_svc+0x78/0x1e0 [ 86.187922][ T5715] el0t_64_sync_handler+0xcc/0xe4 [ 86.188684][ T5715] el0t_64_sync+0x1a0/0x1a4 [ 86.220019][ T5715] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 86.222028][ T5715] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 86.268698][ T5717] loop0: detected capacity change from 0 to 32768 [ 86.281856][ T5717] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 86.282936][ T5717] CPU: 0 PID: 5717 Comm: syz.0.76 Not tainted syzkaller #0 [ 86.283963][ T5717] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.285352][ T5717] Call trace: [ 86.285806][ T5717] dump_backtrace+0x0/0x43c [ 86.286465][ T5717] show_stack+0x2c/0x3c [ 86.287088][ T5717] __dump_stack+0x30/0x40 [ 86.287736][ T5717] dump_stack_lvl+0xf8/0x160 [ 86.288384][ T5717] dump_stack+0x1c/0x5c [ 86.288905][ T5717] sysfs_create_dir_ns+0x22c/0x24c [ 86.289675][ T5717] kobject_add_internal+0x590/0xc54 [ 86.290372][ T5717] kobject_init_and_add+0x118/0x17c [ 86.291077][ T5717] gfs2_sys_fs_add+0x1dc/0x3d8 [ 86.291778][ T5717] gfs2_fill_super+0xdac/0x19e0 [ 86.292422][ T5717] get_tree_bdev+0x358/0x544 [ 86.293057][ T5717] gfs2_get_tree+0x54/0x1b4 [ 86.293735][ T5717] vfs_get_tree+0x90/0x274 [ 86.294325][ T5717] do_new_mount+0x228/0x810 [ 86.294977][ T5717] path_mount+0x5b4/0x1000 [ 86.295704][ T5717] __arm64_sys_mount+0x514/0x5e4 [ 86.296487][ T5717] invoke_syscall+0x98/0x2b8 [ 86.297202][ T5717] el0_svc_common+0x138/0x258 [ 86.297896][ T5717] do_el0_svc+0x58/0x14c [ 86.298519][ T5717] el0_svc+0x78/0x1e0 [ 86.299113][ T5717] el0t_64_sync_handler+0xcc/0xe4 [ 86.299863][ T5717] el0t_64_sync+0x1a0/0x1a4 [ 86.319418][ T5711] loop1: detected capacity change from 0 to 32768 [ 86.331565][ T5717] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 86.334941][ T5717] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 86.392610][ T5711] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 86.393771][ T5711] CPU: 1 PID: 5711 Comm: syz.1.73 Not tainted syzkaller #0 [ 86.394880][ T5711] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.396494][ T5711] Call trace: [ 86.396963][ T5711] dump_backtrace+0x0/0x43c [ 86.397627][ T5711] show_stack+0x2c/0x3c [ 86.398237][ T5711] __dump_stack+0x30/0x40 [ 86.398891][ T5711] dump_stack_lvl+0xf8/0x160 [ 86.399547][ T5711] dump_stack+0x1c/0x5c [ 86.400141][ T5711] sysfs_create_dir_ns+0x22c/0x24c [ 86.400877][ T5711] kobject_add_internal+0x590/0xc54 [ 86.401610][ T5711] kobject_init_and_add+0x118/0x17c [ 86.402377][ T5711] gfs2_sys_fs_add+0x1dc/0x3d8 [ 86.403047][ T5711] gfs2_fill_super+0xdac/0x19e0 [ 86.403743][ T5711] get_tree_bdev+0x358/0x544 [ 86.404470][ T5711] gfs2_get_tree+0x54/0x1b4 [ 86.405107][ T5711] vfs_get_tree+0x90/0x274 [ 86.405745][ T5711] do_new_mount+0x228/0x810 [ 86.406428][ T5711] path_mount+0x5b4/0x1000 [ 86.407101][ T5711] __arm64_sys_mount+0x514/0x5e4 [ 86.407897][ T5711] invoke_syscall+0x98/0x2b8 [ 86.408603][ T5711] el0_svc_common+0x138/0x258 [ 86.409259][ T5711] do_el0_svc+0x58/0x14c [ 86.409904][ T5711] el0_svc+0x78/0x1e0 [ 86.410524][ T5711] el0t_64_sync_handler+0xcc/0xe4 [ 86.411271][ T5711] el0t_64_sync+0x1a0/0x1a4 [ 86.425064][ T5715] loop3: detected capacity change from 0 to 32768 [ 86.432882][ T5715] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 86.434036][ T5715] CPU: 1 PID: 5715 Comm: syz.3.75 Not tainted syzkaller #0 [ 86.435044][ T5715] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.436519][ T5715] Call trace: [ 86.436991][ T5715] dump_backtrace+0x0/0x43c [ 86.437664][ T5715] show_stack+0x2c/0x3c [ 86.438263][ T5715] __dump_stack+0x30/0x40 [ 86.438848][ T5715] dump_stack_lvl+0xf8/0x160 [ 86.439522][ T5715] dump_stack+0x1c/0x5c [ 86.440107][ T5715] sysfs_create_dir_ns+0x22c/0x24c [ 86.440889][ T5715] kobject_add_internal+0x590/0xc54 [ 86.441321][ T5713] loop2: detected capacity change from 0 to 32768 [ 86.441592][ T5715] kobject_init_and_add+0x118/0x17c [ 86.443258][ T5715] gfs2_sys_fs_add+0x1dc/0x3d8 [ 86.443925][ T5715] gfs2_fill_super+0xdac/0x19e0 [ 86.444579][ T5715] get_tree_bdev+0x358/0x544 [ 86.445235][ T5715] gfs2_get_tree+0x54/0x1b4 [ 86.445824][ T5715] vfs_get_tree+0x90/0x274 [ 86.446463][ T5715] do_new_mount+0x228/0x810 [ 86.447113][ T5715] path_mount+0x5b4/0x1000 [ 86.447761][ T5715] __arm64_sys_mount+0x514/0x5e4 [ 86.448421][ T5715] invoke_syscall+0x98/0x2b8 [ 86.449071][ T5715] el0_svc_common+0x138/0x258 [ 86.449772][ T5715] do_el0_svc+0x58/0x14c [ 86.450355][ T5715] el0_svc+0x78/0x1e0 [ 86.450913][ T5715] el0t_64_sync_handler+0xcc/0xe4 [ 86.451629][ T5715] el0t_64_sync+0x1a0/0x1a4 [ 86.456572][ T5711] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 86.458499][ T5711] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 86.473106][ T5715] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 86.475179][ T5715] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 86.481143][ T5713] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 86.482267][ T5713] CPU: 1 PID: 5713 Comm: syz.2.74 Not tainted syzkaller #0