Warning: Permanently added '10.128.0.193' (ED25519) to the list of known hosts. 1970/01/01 00:00:56 parsed 1 programs [ 58.316200][ T4667] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 61.671928][ T384] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 61.673227][ T384] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 61.675075][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 61.702579][ T384] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 61.705434][ T384] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 61.706797][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 62.148802][ T4721] chnl_net:caif_netlink_parms(): no params data found [ 62.275027][ T4721] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.276290][ T4721] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.277828][ T4721] device bridge_slave_0 entered promiscuous mode [ 62.280283][ T4721] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.281456][ T4721] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.283411][ T4721] device bridge_slave_1 entered promiscuous mode [ 62.302447][ T4721] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.305986][ T4721] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.314706][ T4721] team0: Port device team_slave_0 added [ 62.316620][ T4721] team0: Port device team_slave_1 added [ 62.327185][ T4721] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 62.328296][ T4721] 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. [ 62.332672][ T4721] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 62.336012][ T4721] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 62.337085][ T4721] 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. [ 62.341238][ T4721] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 62.375072][ T4721] device hsr_slave_0 entered promiscuous mode [ 62.413916][ T4721] device hsr_slave_1 entered promiscuous mode [ 62.532711][ T4721] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 62.585112][ T4721] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 62.625033][ T4721] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 62.675733][ T4721] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 62.721560][ T4721] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.722885][ T4721] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.724118][ T4721] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.725216][ T4721] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.745896][ T384] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.747476][ T384] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.755107][ T4721] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.760226][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.761713][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.770589][ T4721] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.773422][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.776918][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.778398][ T384] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.779532][ T384] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.783342][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.788380][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.789906][ T384] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.791022][ T384] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.796888][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.798928][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.802966][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.804889][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.806490][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.808085][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.809878][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.825782][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.827376][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.830878][ T4721] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 62.832948][ T4721] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.835723][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.837335][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.880299][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.881606][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.885756][ T4721] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.941454][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 62.942997][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 62.950545][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 62.952039][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 62.956079][ T4721] device veth0_vlan entered promiscuous mode [ 62.959415][ T4721] device veth1_vlan entered promiscuous mode [ 62.965552][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 62.967140][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 62.968630][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 62.970025][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 62.974973][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 62.976559][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 62.979915][ T4721] device veth0_macvtap entered promiscuous mode [ 62.982385][ T4721] device veth1_macvtap entered promiscuous mode [ 62.989752][ T4721] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 62.991065][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 62.992799][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 62.995694][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 62.997405][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 63.000846][ T4721] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 63.002174][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 63.004334][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 63.006863][ T4721] netdevsim netdevsim4 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.008179][ T4721] netdevsim netdevsim4 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.009622][ T4721] netdevsim netdevsim4 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.010134][ T449] ODEBUG: Out of memory. ODEBUG disabled [ 63.010999][ T4721] netdevsim netdevsim4 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:01:03 executed programs: 0 [ 63.286240][ T4788] chnl_net:caif_netlink_parms(): no params data found [ 63.349689][ T4793] chnl_net:caif_netlink_parms(): no params data found [ 63.351732][ T4796] chnl_net:caif_netlink_parms(): no params data found [ 63.361172][ T4792] chnl_net:caif_netlink_parms(): no params data found [ 63.381622][ T4788] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.382779][ T4788] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.385568][ T4788] device bridge_slave_0 entered promiscuous mode [ 63.387478][ T4788] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.388692][ T4788] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.390285][ T4788] device bridge_slave_1 entered promiscuous mode [ 63.419773][ T4788] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.422597][ T4796] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.424234][ T4796] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.425898][ T4796] device bridge_slave_0 entered promiscuous mode [ 63.432299][ T4788] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.436255][ T4796] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.437397][ T4796] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.438964][ T4796] device bridge_slave_1 entered promiscuous mode [ 63.440487][ T4793] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.441531][ T4793] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.442962][ T4793] device bridge_slave_0 entered promiscuous mode [ 63.460699][ T4793] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.461856][ T4793] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.463310][ T4793] device bridge_slave_1 entered promiscuous mode [ 63.478721][ T4788] team0: Port device team_slave_0 added [ 63.481317][ T4788] team0: Port device team_slave_1 added [ 63.487596][ T4796] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.491571][ T4792] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.492695][ T4792] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.494306][ T4792] device bridge_slave_0 entered promiscuous mode [ 63.510490][ T4796] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.516238][ T4793] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.517814][ T4792] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.519037][ T4792] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.520665][ T4792] device bridge_slave_1 entered promiscuous mode [ 63.534531][ T4793] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.540547][ T4792] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.542300][ T4788] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 63.543469][ T4788] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 63.551281][ T4788] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 63.554411][ T4796] team0: Port device team_slave_0 added [ 63.558646][ T4802] chnl_net:caif_netlink_parms(): no params data found [ 63.563059][ T4792] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.568031][ T4788] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 63.569171][ T4788] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 63.573625][ T4788] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 63.580439][ T4796] team0: Port device team_slave_1 added [ 63.598360][ T4793] team0: Port device team_slave_0 added [ 63.600612][ T4792] team0: Port device team_slave_0 added [ 63.608203][ T4793] team0: Port device team_slave_1 added [ 63.609801][ T4792] team0: Port device team_slave_1 added [ 63.611420][ T4796] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 63.612593][ T4796] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 63.617008][ T4796] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 63.619264][ T4796] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 63.620350][ T4796] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 63.625807][ T4796] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 63.647870][ T4792] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 63.649031][ T4792] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 63.653001][ T4792] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 63.658004][ T4802] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.659178][ T4802] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.660680][ T4802] device bridge_slave_0 entered promiscuous mode [ 63.705089][ T4788] device hsr_slave_0 entered promiscuous mode [ 63.753984][ T4788] device hsr_slave_1 entered promiscuous mode [ 63.793823][ T4788] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 63.795076][ T4788] Cannot create hsr debugfs directory [ 63.800960][ T4793] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 63.802068][ T4793] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 63.806467][ T4793] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 63.808630][ T4792] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 63.809745][ T4792] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 63.817405][ T4792] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 63.819936][ T4802] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.821188][ T4802] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.822785][ T4802] device bridge_slave_1 entered promiscuous mode [ 63.836374][ T4793] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 63.837517][ T4793] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 63.841718][ T4793] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 63.904875][ T4796] device hsr_slave_0 entered promiscuous mode [ 63.943954][ T4796] device hsr_slave_1 entered promiscuous mode [ 63.983757][ T4796] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 63.985075][ T4796] Cannot create hsr debugfs directory [ 63.991660][ T4802] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.011062][ T4802] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.064994][ T4792] device hsr_slave_0 entered promiscuous mode [ 64.104151][ T4792] device hsr_slave_1 entered promiscuous mode [ 64.143770][ T4792] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 64.145050][ T4792] Cannot create hsr debugfs directory [ 64.149940][ T4802] team0: Port device team_slave_0 added [ 64.163103][ T4802] team0: Port device team_slave_1 added [ 64.204997][ T4793] device hsr_slave_0 entered promiscuous mode [ 64.243928][ T4793] device hsr_slave_1 entered promiscuous mode [ 64.283701][ T4793] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 64.284986][ T4793] Cannot create hsr debugfs directory [ 64.293278][ T4802] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 64.294691][ T4802] 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. [ 64.298925][ T4802] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 64.301597][ T4802] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 64.302742][ T4802] 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. [ 64.307374][ T4802] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 64.425058][ T4802] device hsr_slave_0 entered promiscuous mode [ 64.474201][ T4802] device hsr_slave_1 entered promiscuous mode [ 64.513776][ T4802] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 64.515000][ T4802] Cannot create hsr debugfs directory [ 65.154244][ T4136] Bluetooth: hci1: command 0x0409 tx timeout [ 65.233790][ T4136] Bluetooth: hci5: command 0x0409 tx timeout [ 65.235069][ T4136] Bluetooth: hci3: command 0x0409 tx timeout [ 65.236131][ T4136] Bluetooth: hci4: command 0x0409 tx timeout [ 65.237126][ T4136] Bluetooth: hci2: command 0x0409 tx timeout [ 65.451049][ T4792] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 65.486432][ T4792] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 65.525215][ T4792] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 65.574750][ T4792] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 65.636477][ T4802] netdevsim netdevsim4 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 65.640137][ T4793] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 65.680238][ T4793] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 65.711839][ T4792] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.713416][ T4793] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 65.745426][ T4793] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 65.782073][ T4792] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.784663][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.786210][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.801931][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.803769][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.805134][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.806181][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.808471][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.813627][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.815963][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.817578][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.818700][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.820115][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.833311][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.835445][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.838208][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.839788][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.841481][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.842986][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.849021][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.850575][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.852026][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.856042][ T4792] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.860211][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.886433][ T4793] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.890289][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.891751][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.895152][ T4793] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.904323][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.905851][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.907235][ T384] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.908487][ T384] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.909836][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.911356][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.912769][ T384] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.914058][ T384] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.916693][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.918431][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.928276][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.929803][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.933073][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.935183][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.936843][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.938417][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.939901][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.941315][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.942884][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.946329][ T4793] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.952257][ T4792] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.954784][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.956288][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.957575][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.975015][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 65.976656][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 65.994455][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 65.995953][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 65.998003][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 65.999520][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 66.001912][ T4792] device veth0_vlan entered promiscuous mode [ 66.008317][ T4792] device veth1_vlan entered promiscuous mode [ 66.023598][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 66.025321][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 66.026832][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 66.028339][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 66.031388][ T4792] device veth0_macvtap entered promiscuous mode [ 66.034606][ T4792] device veth1_macvtap entered promiscuous mode [ 66.039434][ T4792] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 66.050727][ T4792] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 66.053216][ T4792] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 66.055525][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 66.057078][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 66.058570][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 66.060069][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 66.062986][ T4792] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 66.064747][ T4792] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 66.066766][ T4792] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 66.068985][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 66.070677][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 66.074278][ T4792] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.075609][ T4792] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.077092][ T4792] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.078552][ T4792] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.099488][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.100840][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.105621][ T4793] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.129324][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 66.130613][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 66.131854][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 66.154662][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 66.156394][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 66.158004][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 66.159175][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 66.160520][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 66.162785][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 66.164626][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 66.166710][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 66.170229][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 66.196433][ T4793] device veth0_vlan entered promiscuous mode [ 66.199857][ T4793] device veth1_vlan entered promiscuous mode [ 66.228440][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 66.230054][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 66.231492][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 66.233014][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 66.238537][ T4793] device veth0_macvtap entered promiscuous mode [ 66.242142][ T4793] device veth1_macvtap entered promiscuous mode [ 66.259946][ T4793] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 66.261755][ T4793] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 66.263440][ T4793] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 66.268760][ T4793] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 66.276981][ T4793] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 66.278672][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 66.280212][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 66.281599][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 66.293601][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 66.298228][ T4793] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 66.300001][ T4793] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 66.301486][ T4793] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 66.303089][ T4793] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 66.305808][ T4793] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 66.307152][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 66.308798][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 66.311751][ T4793] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.313101][ T4793] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.315508][ T4793] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.316858][ T4793] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.365247][ T4995] loop1: detected capacity change from 0 to 32768 [ 66.367223][ T1644] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 66.368535][ T1644] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 66.369845][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 66.383121][ T1644] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 66.385440][ T1644] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 66.387091][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 66.393583][ T4995] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 66.398822][ T4995] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 66.437716][ T4995] gfs2: fsid=syz:syz.s: journal 0 mapped with 1 extents in 0ms [ 66.484286][ T4995] gfs2: fsid=syz:syz.s: first mount done, others may mount [ 66.681665][ T5012] loop2: detected capacity change from 0 to 32768 [ 66.695276][ T5012] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 66.696407][ T5012] CPU: 1 PID: 5012 Comm: syz.2.17 Not tainted syzkaller #0 [ 66.697471][ T5012] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 66.699089][ T5012] Call trace: [ 66.699647][ T5012] dump_backtrace+0x0/0x458 [ 66.700350][ T5012] show_stack+0x2c/0x3c [ 66.700975][ T5012] __dump_stack+0x30/0x40 [ 66.701607][ T5012] dump_stack_lvl+0xf4/0x15c [ 66.702298][ T5012] dump_stack+0x1c/0x5c [ 66.702955][ T5012] sysfs_create_dir_ns+0x244/0x264 [ 66.703743][ T5012] kobject_add_internal+0x5ac/0xc3c [ 66.704622][ T5012] kobject_init_and_add+0x124/0x190 [ 66.705447][ T5012] gfs2_sys_fs_add+0x200/0x41c [ 66.706224][ T5012] gfs2_fill_super+0xddc/0x1a18 [ 66.706969][ T5012] get_tree_bdev+0x358/0x544 [ 66.707769][ T5012] gfs2_get_tree+0x54/0x1b4 [ 66.708504][ T5012] vfs_get_tree+0x90/0x274 [ 66.709312][ T5012] do_new_mount+0x228/0x810 [ 66.710031][ T5012] path_mount+0x5bc/0x1008 [ 66.710643][ T5012] __arm64_sys_mount+0x514/0x5f0 [ 66.711445][ T5012] invoke_syscall+0x98/0x2b0 [ 66.712197][ T5012] el0_svc_common+0x138/0x258 [ 66.712921][ T5012] do_el0_svc+0x58/0x13c [ 66.713562][ T5012] el0_svc+0x78/0x1d0 [ 66.714218][ T5012] el0t_64_sync_handler+0xcc/0xe4 [ 66.714980][ T5012] el0t_64_sync+0x1a0/0x1a4 [ 66.726919][ T5012] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 66.728987][ T5012] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 67.001482][ T5012] loop2: detected capacity change from 0 to 32768 [ 67.004339][ T5012] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 67.005626][ T5012] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 67.011898][ T5012] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms [ 67.018835][ T25] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 67.020027][ T25] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 67.050936][ T5031] loop1: detected capacity change from 0 to 32768 [ 67.054292][ T25] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 34ms [ 67.055771][ T25] gfs2: fsid=syz:syz.0: jid=0: Done [ 67.062093][ T5031] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 67.062437][ T5012] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 67.063253][ T5031] CPU: 0 PID: 5031 Comm: syz.1.20 Not tainted syzkaller #0 [ 67.065392][ T5031] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 67.066862][ T5031] Call trace: [ 67.067409][ T5031] dump_backtrace+0x0/0x458 [ 67.068142][ T5031] show_stack+0x2c/0x3c [ 67.068765][ T5031] __dump_stack+0x30/0x40 [ 67.069418][ T5031] dump_stack_lvl+0xf4/0x15c [ 67.070127][ T5031] dump_stack+0x1c/0x5c [ 67.070826][ T5031] sysfs_create_dir_ns+0x244/0x264 [ 67.071573][ T5031] kobject_add_internal+0x5ac/0xc3c [ 67.072425][ T5031] kobject_init_and_add+0x124/0x190 [ 67.073334][ T5031] gfs2_sys_fs_add+0x200/0x41c [ 67.074129][ T5031] gfs2_fill_super+0xddc/0x1a18 [ 67.074929][ T5031] get_tree_bdev+0x358/0x544 [ 67.075677][ T5031] gfs2_get_tree+0x54/0x1b4 [ 67.076457][ T5031] vfs_get_tree+0x90/0x274 [ 67.077160][ T5031] do_new_mount+0x228/0x810 [ 67.077859][ T5031] path_mount+0x5bc/0x1008 [ 67.078574][ T5031] __arm64_sys_mount+0x514/0x5f0 [ 67.079332][ T5031] invoke_syscall+0x98/0x2b0 [ 67.080102][ T5031] el0_svc_common+0x138/0x258 [ 67.080783][ T5031] do_el0_svc+0x58/0x13c [ 67.081420][ T5031] el0_svc+0x78/0x1d0 [ 67.082024][ T5031] el0t_64_sync_handler+0xcc/0xe4 [ 67.082858][ T5031] el0t_64_sync+0x1a0/0x1a4 [ 67.085133][ T5031] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 67.087209][ T5031] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 67.141164][ T5012] gfs2: fsid=syz:syz.0: can't make FS RW: -5 [ 67.143364][ T234] [ 67.143744][ T234] ====================================================== [ 67.144924][ T234] WARNING: possible circular locking dependency detected [ 67.146051][ T234] syzkaller #0 Not tainted [ 67.146738][ T234] ------------------------------------------------------ [ 67.147952][ T234] kworker/1:1H/234 is trying to acquire lock: [ 67.148912][ T234] ffff0000cef060e0 (&type->s_umount_key#50){+.+.}-{3:3}, at: freeze_super+0x54/0x36c [ 67.150509][ T234] [ 67.150509][ T234] but task is already holding lock: [ 67.151769][ T234] ffff80001cfc7c00 ((work_completion)(&(&gl->gl_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6b8/0x1138 [ 67.153666][ T234] [ 67.153666][ T234] which lock already depends on the new lock. [ 67.153666][ T234] [ 67.155235][ T234] [ 67.155235][ T234] the existing dependency chain (in reverse order) is: [ 67.156571][ T234] [ 67.156571][ T234] -> #2 ((work_completion)(&(&gl->gl_work)->work)){+.+.}-{0:0}: [ 67.158112][ T234] process_one_work+0x6e0/0x1138 [ 67.158988][ T234] worker_thread+0x8f4/0x1034 [ 67.159860][ T234] kthread+0x374/0x454 [ 67.160635][ T234] ret_from_fork+0x10/0x20 [ 67.161466][ T234] [ 67.161466][ T234] -> #1 ((wq_completion)glock_workqueue){+.+.}-{0:0}: [ 67.162954][ T234] flush_workqueue+0x130/0x104c [ 67.163798][ T234] gfs2_gl_hash_clear+0xb0/0x2cc [ 67.164635][ T234] gfs2_put_super+0x614/0x6b4 [ 67.165399][ T234] generic_shutdown_super+0x130/0x2f0 [ 67.166249][ T234] kill_block_super+0x70/0xdc [ 67.167110][ T234] gfs2_kill_sb+0xc0/0xd4 [ 67.167980][ T234] deactivate_locked_super+0xb8/0x134 [ 67.168910][ T234] deactivate_super+0xf0/0x110 [ 67.169824][ T234] cleanup_mnt+0x3b8/0x46c [ 67.170575][ T234] __cleanup_mnt+0x20/0x30 [ 67.171340][ T234] task_work_run+0x12c/0x1d8 [ 67.172335][ T234] do_notify_resume+0x2450/0x309c [ 67.173276][ T234] el0_svc+0xf0/0x1d0 [ 67.173979][ T234] el0t_64_sync_handler+0xcc/0xe4 [ 67.174929][ T234] el0t_64_sync+0x1a0/0x1a4 [ 67.175817][ T234] [ 67.175817][ T234] -> #0 (&type->s_umount_key#50){+.+.}-{3:3}: [ 67.177195][ T234] __lock_acquire+0x2870/0x67ec [ 67.178118][ T234] lock_acquire+0x1f4/0x618 [ 67.178939][ T234] down_write+0xbc/0x12c [ 67.179843][ T234] freeze_super+0x54/0x36c [ 67.180708][ T234] freeze_go_sync+0x128/0x31c [ 67.181534][ T234] do_xmote+0x2ec/0xf58 [ 67.182229][ T234] run_queue+0x3fc/0x698 [ 67.183049][ T234] glock_work_func+0x208/0x440 [ 67.183860][ T234] process_one_work+0x79c/0x1138 [ 67.184727][ T234] worker_thread+0x8f4/0x1034 [ 67.185518][ T234] kthread+0x374/0x454 [ 67.186253][ T234] ret_from_fork+0x10/0x20 [ 67.187031][ T234] [ 67.187031][ T234] other info that might help us debug this: [ 67.187031][ T234] [ 67.188606][ T234] Chain exists of: [ 67.188606][ T234] &type->s_umount_key#50 --> (wq_completion)glock_workqueue --> (work_completion)(&(&gl->gl_work)->work) [ 67.188606][ T234] [ 67.191145][ T234] Possible unsafe locking scenario: [ 67.191145][ T234] [ 67.192223][ T234] CPU0 CPU1 [ 67.193074][ T234] ---- ---- [ 67.193991][ T234] lock((work_completion)(&(&gl->gl_work)->work)); [ 67.194978][ T234] lock((wq_completion)glock_workqueue); [ 67.196328][ T234] lock((work_completion)(&(&gl->gl_work)->work)); [ 67.197741][ T234] lock(&type->s_umount_key#50); [ 67.198527][ T234] [ 67.198527][ T234] *** DEADLOCK *** [ 67.198527][ T234] [ 67.199866][ T234] 2 locks held by kworker/1:1H/234: [ 67.200698][ T234] #0: ffff0000c7308d38 ((wq_completion)glock_workqueue){+.+.}-{0:0}, at: process_one_work+0x678/0x1138 [ 67.202504][ T234] #1: ffff80001cfc7c00 ((work_completion)(&(&gl->gl_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6b8/0x1138 [ 67.204443][ T234] [ 67.204443][ T234] stack backtrace: [ 67.205413][ T234] CPU: 1 PID: 234 Comm: kworker/1:1H Not tainted syzkaller #0 [ 67.206669][ T234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 67.208293][ T234] Workqueue: glock_workqueue glock_work_func [ 67.209339][ T234] Call trace: [ 67.209885][ T234] dump_backtrace+0x0/0x458 [ 67.210646][ T234] show_stack+0x2c/0x3c [ 67.211307][ T234] __dump_stack+0x30/0x40 [ 67.212004][ T234] dump_stack_lvl+0xf4/0x15c [ 67.212710][ T234] dump_stack+0x1c/0x5c [ 67.213379][ T234] print_circular_bug+0x148/0x1b0 [ 67.214262][ T234] check_noncircular+0x264/0x2f8 [ 67.215155][ T234] __lock_acquire+0x2870/0x67ec [ 67.215923][ T234] lock_acquire+0x1f4/0x618 [ 67.216625][ T234] down_write+0xbc/0x12c [ 67.217245][ T234] freeze_super+0x54/0x36c [ 67.218028][ T234] freeze_go_sync+0x128/0x31c [ 67.218869][ T234] do_xmote+0x2ec/0xf58 [ 67.219577][ T234] run_queue+0x3fc/0x698 [ 67.220236][ T234] glock_work_func+0x208/0x440 [ 67.221087][ T234] process_one_work+0x79c/0x1138 [ 67.221939][ T234] worker_thread+0x8f4/0x1034 [ 67.222683][ T234] kthread+0x374/0x454 [ 67.223325][ T234] ret_from_fork+0x10/0x20 [ 67.233902][ T4134] Bluetooth: hci1: command 0x041b tx timeout [ 67.280529][ T5031] loop1: detected capacity change from 0 to 32768 [ 67.303761][ T4150] Bluetooth: hci5: command 0x041b tx timeout [ 67.304824][ T4132] Bluetooth: hci2: command 0x041b tx timeout [ 67.305803][ T4132] Bluetooth: hci4: command 0x041b tx timeout [ 67.306916][ T4132] Bluetooth: hci3: command 0x041b tx timeout [ 67.376828][ T5031] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 67.378040][ T5031] CPU: 0 PID: 5031 Comm: syz.1.20 Not tainted syzkaller #0 [ 67.379235][ T5031] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 67.380819][ T5031] Call trace: [ 67.381312][ T5031] dump_backtrace+0x0/0x458 [ 67.382023][ T5031] show_stack+0x2c/0x3c [ 67.382686][ T5031] __dump_stack+0x30/0x40 [ 67.383357][ T5031] dump_stack_lvl+0xf4/0x15c [ 67.384019][ T5031] dump_stack+0x1c/0x5c [ 67.384663][ T5031] sysfs_create_dir_ns+0x244/0x264 [ 67.385593][ T5031] kobject_add_internal+0x5ac/0xc3c [ 67.386502][ T5031] kobject_init_and_add+0x124/0x190 [ 67.387382][ T5031] gfs2_sys_fs_add+0x200/0x41c [ 67.388224][ T5031] gfs2_fill_super+0xddc/0x1a18 [ 67.389042][ T5031] get_tree_bdev+0x358/0x544 [ 67.389785][ T5031] gfs2_get_tree+0x54/0x1b4 [ 67.390498][ T5031] vfs_get_tree+0x90/0x274 [ 67.391191][ T5031] do_new_mount+0x228/0x810 [ 67.391943][ T5031] path_mount+0x5bc/0x1008 [ 67.392671][ T5031] __arm64_sys_mount+0x514/0x5f0 [ 67.393447][ T5031] invoke_syscall+0x98/0x2b0 [ 67.394173][ T5031] el0_svc_common+0x138/0x258 [ 67.394957][ T5031] do_el0_svc+0x58/0x13c [ 67.395667][ T5031] el0_svc+0x78/0x1d0 [ 67.396372][ T5031] el0t_64_sync_handler+0xcc/0xe4 [ 67.397202][ T5031] el0t_64_sync+0x1a0/0x1a4 [ 67.443806][ T5031] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 67.445941][ T5031] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 67.657291][ T5106] loop1: detected capacity change from 0 to 32768 [ 67.667007][ T5106] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 67.671646][ T5106] CPU: 1 PID: 5106 Comm: syz.1.21 Not tainted syzkaller #0 [ 67.672706][ T5106] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 67.674224][ T5106] Call trace: [ 67.674694][ T5106] dump_backtrace+0x0/0x458 [ 67.675490][ T5106] show_stack+0x2c/0x3c [ 67.676139][ T5106] __dump_stack+0x30/0x40 [ 67.676780][ T5106] dump_stack_lvl+0xf4/0x15c [ 67.677562][ T5106] dump_stack+0x1c/0x5c [ 67.678208][ T5106] sysfs_create_dir_ns+0x244/0x264 [ 67.678991][ T5106] kobject_add_internal+0x5ac/0xc3c [ 67.679805][ T5106] kobject_init_and_add+0x124/0x190 [ 67.680601][ T5106] gfs2_sys_fs_add+0x200/0x41c [ 67.681375][ T5106] gfs2_fill_super+0xddc/0x1a18 [ 67.682147][ T5106] get_tree_bdev+0x358/0x544 [ 67.682860][ T5106] gfs2_get_tree+0x54/0x1b4 [ 67.683564][ T5106] vfs_get_tree+0x90/0x274 [ 67.684230][ T5106] do_new_mount+0x228/0x810 [ 67.684937][ T5106] path_mount+0x5bc/0x1008 [ 67.685660][ T5106] __arm64_sys_mount+0x514/0x5f0 [ 67.686474][ T5106] invoke_syscall+0x98/0x2b0 [ 67.687241][ T5106] el0_svc_common+0x138/0x258 [ 67.688025][ T5106] do_el0_svc+0x58/0x13c [ 67.688719][ T5106] el0_svc+0x78/0x1d0 [ 67.689379][ T5106] el0t_64_sync_handler+0xcc/0xe4 [ 67.690248][ T5106] el0t_64_sync+0x1a0/0x1a4 [ 67.696027][ T5106] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 67.698162][ T5106] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 67.881775][ T5106] loop1: detected capacity change from 0 to 32768 [ 67.885210][ T5106] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 67.886424][ T5106] CPU: 1 PID: 5106 Comm: syz.1.21 Not tainted syzkaller #0 [ 67.887636][ T5106] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 67.889182][ T5106] Call trace: [ 67.889748][ T5106] dump_backtrace+0x0/0x458 [ 67.890469][ T5106] show_stack+0x2c/0x3c [ 67.891124][ T5106] __dump_stack+0x30/0x40 [ 67.891793][ T5106] dump_stack_lvl+0xf4/0x15c [ 67.892492][ T5106] dump_stack+0x1c/0x5c [ 67.893176][ T5106] sysfs_create_dir_ns+0x244/0x264 [ 67.894037][ T5106] kobject_add_internal+0x5ac/0xc3c [ 67.894848][ T5106] kobject_init_and_add+0x124/0x190 [ 67.895660][ T5106] gfs2_sys_fs_add+0x200/0x41c [ 67.896531][ T5106] gfs2_fill_super+0xddc/0x1a18 [ 67.897316][ T5106] get_tree_bdev+0x358/0x544 [ 67.898072][ T5106] gfs2_get_tree+0x54/0x1b4 [ 67.898764][ T5106] vfs_get_tree+0x90/0x274 [ 67.899423][ T5106] do_new_mount+0x228/0x810 [ 67.900111][ T5106] path_mount+0x5bc/0x1008 [ 67.900746][ T5106] __arm64_sys_mount+0x514/0x5f0 [ 67.901481][ T5106] invoke_syscall+0x98/0x2b0 [ 67.902174][ T5106] el0_svc_common+0x138/0x258 [ 67.902892][ T5106] do_el0_svc+0x58/0x13c [ 67.903535][ T5106] el0_svc+0x78/0x1d0 [ 67.904135][ T5106] el0t_64_sync_handler+0xcc/0xe4 [ 67.904907][ T5106] el0t_64_sync+0x1a0/0x1a4 [ 67.905684][ T5106] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 67.907611][ T5106] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 68.115585][ T5164] loop1: detected capacity change from 0 to 32768 [ 68.131366][ T5164] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 68.132493][ T5164] CPU: 0 PID: 5164 Comm: syz.1.22 Not tainted syzkaller #0 [ 68.133567][ T5164] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 68.135221][ T5164] Call trace: [ 68.135798][ T5164] dump_backtrace+0x0/0x458 [ 68.136533][ T5164] show_stack+0x2c/0x3c [ 68.137243][ T5164] __dump_stack+0x30/0x40 [ 68.137961][ T5164] dump_stack_lvl+0xf4/0x15c [ 68.138786][ T5164] dump_stack+0x1c/0x5c [ 68.139403][ T5164] sysfs_create_dir_ns+0x244/0x264 [ 68.140259][ T5164] kobject_add_internal+0x5ac/0xc3c [ 68.141187][ T5164] kobject_init_and_add+0x124/0x190 [ 68.142033][ T5164] gfs2_sys_fs_add+0x200/0x41c [ 68.142829][ T5164] gfs2_fill_super+0xddc/0x1a18 [ 68.143594][ T5164] get_tree_bdev+0x358/0x544 [ 68.144405][ T5164] gfs2_get_tree+0x54/0x1b4 [ 68.145100][ T5164] vfs_get_tree+0x90/0x274 [ 68.145852][ T5164] do_new_mount+0x228/0x810 [ 68.146622][ T5164] path_mount+0x5bc/0x1008 [ 68.147397][ T5164] __arm64_sys_mount+0x514/0x5f0 [ 68.148228][ T5164] invoke_syscall+0x98/0x2b0 [ 68.148998][ T5164] el0_svc_common+0x138/0x258 [ 68.149818][ T5164] do_el0_svc+0x58/0x13c [ 68.150504][ T5164] el0_svc+0x78/0x1d0 [ 68.151206][ T5164] el0t_64_sync_handler+0xcc/0xe4 [ 68.151992][ T5164] el0t_64_sync+0x1a0/0x1a4 [ 68.153297][ T5164] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 68.155589][ T5164] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 68.277678][ T4802] netdevsim netdevsim4 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 68.297358][ T5164] loop1: detected capacity change from 0 to 32768 [ 68.318876][ T4802] netdevsim netdevsim4 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 68.328820][ T5164] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 68.330042][ T5164] CPU: 1 PID: 5164 Comm: syz.1.22 Not tainted syzkaller #0 [ 68.331140][ T5164] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 68.332699][ T5164] Call trace: [ 68.333250][ T5164] dump_backtrace+0x0/0x458 [ 68.333991][ T5164] show_stack+0x2c/0x3c [ 68.334653][ T5164] __dump_stack+0x30/0x40 [ 68.335327][ T5164] dump_stack_lvl+0xf4/0x15c [ 68.336047][ T5164] dump_stack+0x1c/0x5c [ 68.336744][ T5164] sysfs_create_dir_ns+0x244/0x264 [ 68.337511][ T5164] kobject_add_internal+0x5ac/0xc3c [ 68.338408][ T5164] kobject_init_and_add+0x124/0x190 [ 68.339246][ T5164] gfs2_sys_fs_add+0x200/0x41c [ 68.340045][ T5164] gfs2_fill_super+0xddc/0x1a18 [ 68.340814][ T5164] get_tree_bdev+0x358/0x544 [ 68.341502][ T5164] gfs2_get_tree+0x54/0x1b4 [ 68.342185][ T5164] vfs_get_tree+0x90/0x274 [ 68.342826][ T5164] do_new_mount+0x228/0x810 [ 68.343531][ T5164] path_mount+0x5bc/0x1008 [ 68.344230][ T5164] __arm64_sys_mount+0x514/0x5f0 [ 68.345021][ T5164] invoke_syscall+0x98/0x2b0 [ 68.345791][ T5164] el0_svc_common+0x138/0x258 [ 68.346559][ T5164] do_el0_svc+0x58/0x13c [ 68.347191][ T5164] el0_svc+0x78/0x1d0 [ 68.347798][ T5164] el0t_64_sync_handler+0xcc/0xe4 [ 68.348566][ T5164] el0t_64_sync+0x1a0/0x1a4 [ 68.372819][ T5164] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 68.388082][ T5164] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 68.416727][ T4802] netdevsim netdevsim4 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:01:08 executed programs: 15 [ 68.628688][ T4788] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 68.637169][ T5245] loop1: detected capacity change from 0 to 32768 [ 68.648267][ T5245] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 68.649617][ T5245] CPU: 0 PID: 5245 Comm: syz.1.23 Not tainted syzkaller #0 [ 68.650759][ T5245] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 68.652283][ T5245] Call trace: [ 68.652773][ T5245] dump_backtrace+0x0/0x458 [ 68.653430][ T5245] show_stack+0x2c/0x3c [ 68.654131][ T5245] __dump_stack+0x30/0x40 [ 68.654829][ T5245] dump_stack_lvl+0xf4/0x15c [ 68.655655][ T5245] dump_stack+0x1c/0x5c [ 68.656310][ T5245] sysfs_create_dir_ns+0x244/0x264 [ 68.657129][ T5245] kobject_add_internal+0x5ac/0xc3c [ 68.657962][ T5245] kobject_init_and_add+0x124/0x190 [ 68.658858][ T5245] gfs2_sys_fs_add+0x200/0x41c [ 68.659696][ T5245] gfs2_fill_super+0xddc/0x1a18 [ 68.660453][ T5245] get_tree_bdev+0x358/0x544 [ 68.661214][ T5245] gfs2_get_tree+0x54/0x1b4 [ 68.661957][ T5245] vfs_get_tree+0x90/0x274 [ 68.662628][ T5245] do_new_mount+0x228/0x810 [ 68.663249][ T5245] path_mount+0x5bc/0x1008 [ 68.663901][ T5245] __arm64_sys_mount+0x514/0x5f0 [ 68.664719][ T5245] invoke_syscall+0x98/0x2b0 [ 68.665410][ T5245] el0_svc_common+0x138/0x258 [ 68.666213][ T5245] do_el0_svc+0x58/0x13c [ 68.666935][ T5245] el0_svc+0x78/0x1d0 [ 68.667590][ T5245] el0t_64_sync_handler+0xcc/0xe4 [ 68.668429][ T5245] el0t_64_sync+0x1a0/0x1a4 [ 68.677922][ T5245] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 68.679933][ T5245] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 68.687149][ T4788] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 68.715098][ T4788] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 68.755266][ T4796] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 68.784809][ T4796] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 68.824904][ T4788] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 68.875905][ T4796] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 68.907064][ T5245] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 68.908304][ T5245] CPU: 0 PID: 5245 Comm: syz.1.23 Not tainted syzkaller #0 [ 68.909474][ T5245] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 68.910979][ T5245] Call trace: [ 68.911473][ T5245] dump_backtrace+0x0/0x458 [ 68.912189][ T5245] show_stack+0x2c/0x3c [ 68.912838][ T5245] __dump_stack+0x30/0x40 [ 68.913478][ T5245] dump_stack_lvl+0xf4/0x15c [ 68.914268][ T5245] dump_stack+0x1c/0x5c [ 68.914965][ T5245] sysfs_create_dir_ns+0x244/0x264 [ 68.915803][ T5245] kobject_add_internal+0x5ac/0xc3c [ 68.916613][ T5245] kobject_init_and_add+0x124/0x190 [ 68.917436][ T5245] gfs2_sys_fs_add+0x200/0x41c [ 68.918150][ T5245] gfs2_fill_super+0xddc/0x1a18 [ 68.918838][ T5245] get_tree_bdev+0x358/0x544 [ 68.919536][ T5245] gfs2_get_tree+0x54/0x1b4 [ 68.920148][ T5245] vfs_get_tree+0x90/0x274 [ 68.920885][ T5245] do_new_mount+0x228/0x810 [ 68.921705][ T5245] path_mount+0x5bc/0x1008 [ 68.922432][ T5245] __arm64_sys_mount+0x514/0x5f0 [ 68.923237][ T5245] invoke_syscall+0x98/0x2b0 [ 68.924043][ T5245] el0_svc_common+0x138/0x258 [ 68.924747][ T5245] do_el0_svc+0x58/0x13c [ 68.925416][ T5245] el0_svc+0x78/0x1d0 [ 68.926000][ T5245] el0t_64_sync_handler+0xcc/0xe4 [ 68.926816][ T5245] el0t_64_sync+0x1a0/0x1a4 [ 68.928552][ T5245] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 68.930474][ T5245] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 68.951869][ T4796] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 68.981364][ T4802] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 69.014929][ T4802] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 69.056505][ T4788] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.062013][ T4788] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.083798][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.085231][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.088199][ T5285] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 69.089389][ T5285] CPU: 0 PID: 5285 Comm: syz.1.24 Not tainted syzkaller #0 [ 69.090502][ T5285] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 69.092016][ T5285] Call trace: [ 69.092497][ T5285] dump_backtrace+0x0/0x458 [ 69.093217][ T5285] show_stack+0x2c/0x3c [ 69.093951][ T5285] __dump_stack+0x30/0x40 [ 69.094078][ T4802] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 69.094716][ T5285] dump_stack_lvl+0xf4/0x15c [ 69.096570][ T5285] dump_stack+0x1c/0x5c [ 69.097244][ T5285] sysfs_create_dir_ns+0x244/0x264 [ 69.098123][ T5285] kobject_add_internal+0x5ac/0xc3c [ 69.098938][ T5285] kobject_init_and_add+0x124/0x190 [ 69.099721][ T5285] gfs2_sys_fs_add+0x200/0x41c [ 69.100464][ T5285] gfs2_fill_super+0xddc/0x1a18 [ 69.101307][ T5285] get_tree_bdev+0x358/0x544 [ 69.102055][ T5285] gfs2_get_tree+0x54/0x1b4 [ 69.102777][ T5285] vfs_get_tree+0x90/0x274 [ 69.103506][ T5285] do_new_mount+0x228/0x810 [ 69.104260][ T5285] path_mount+0x5bc/0x1008 [ 69.105028][ T5285] __arm64_sys_mount+0x514/0x5f0 [ 69.105805][ T5285] invoke_syscall+0x98/0x2b0 [ 69.106529][ T5285] el0_svc_common+0x138/0x258 [ 69.107217][ T5285] do_el0_svc+0x58/0x13c [ 69.107854][ T5285] el0_svc+0x78/0x1d0 [ 69.108550][ T5285] el0t_64_sync_handler+0xcc/0xe4 [ 69.109397][ T5285] el0t_64_sync+0x1a0/0x1a4 [ 69.113256][ T5285] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 69.116374][ T5285] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 69.137422][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.138998][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.140434][ T148] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.141584][ T148] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.142912][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.149044][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.150496][ T148] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.151419][ T148] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.152631][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.155030][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.156628][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.158239][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.159759][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.161371][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.168076][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.169475][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.170926][ T4802] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 69.211198][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.212743][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.218649][ T4796] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.219805][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.221386][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.229167][ T4788] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.250999][ T4796] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.253366][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.254880][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.256284][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.257798][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.259255][ T1644] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.260435][ T1644] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.261864][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.276016][ T5285] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 69.277320][ T5285] CPU: 0 PID: 5285 Comm: syz.1.24 Not tainted syzkaller #0 [ 69.278406][ T5285] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 69.280096][ T5285] Call trace: [ 69.280556][ T5285] dump_backtrace+0x0/0x458 [ 69.281304][ T5285] show_stack+0x2c/0x3c [ 69.282022][ T5285] __dump_stack+0x30/0x40 [ 69.282689][ T5285] dump_stack_lvl+0xf4/0x15c [ 69.283414][ T5285] dump_stack+0x1c/0x5c [ 69.284082][ T5285] sysfs_create_dir_ns+0x244/0x264 [ 69.284901][ T5285] kobject_add_internal+0x5ac/0xc3c [ 69.285803][ T5285] kobject_init_and_add+0x124/0x190 [ 69.286644][ T5285] gfs2_sys_fs_add+0x200/0x41c [ 69.286911][ T5313] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.287405][ T5285] gfs2_fill_super+0xddc/0x1a18 [ 69.289008][ T5313] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.289384][ T5285] get_tree_bdev+0x358/0x544 [ 69.289398][ T5285] gfs2_get_tree+0x54/0x1b4 [ 69.290835][ T5313] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.291203][ T5285] vfs_get_tree+0x90/0x274 [ 69.291871][ T5313] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.292834][ T5285] do_new_mount+0x228/0x810 [ 69.295341][ T5285] path_mount+0x5bc/0x1008 [ 69.295946][ T5285] __arm64_sys_mount+0x514/0x5f0 [ 69.296707][ T5285] invoke_syscall+0x98/0x2b0 [ 69.297377][ T5285] el0_svc_common+0x138/0x258 [ 69.298126][ T5285] do_el0_svc+0x58/0x13c [ 69.298809][ T5285] el0_svc+0x78/0x1d0 [ 69.299445][ T5285] el0t_64_sync_handler+0xcc/0xe4 [ 69.299465][ T1639] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.300263][ T5285] el0t_64_sync+0x1a0/0x1a4 [ 69.305711][ T1639] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.314323][ T4132] Bluetooth: hci1: command 0x040f tx timeout [ 69.322304][ T5285] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 69.331518][ T1639] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.333296][ T1639] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.333700][ T5285] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 69.337067][ T1639] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.342278][ T4802] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.346639][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.348197][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.352725][ T4802] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.359965][ T1639] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.361419][ T1639] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.362779][ T1639] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.365263][ T1639] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.370683][ T1639] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.371844][ T1639] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.373176][ T1639] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.376438][ T1639] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.384023][ T4132] Bluetooth: hci3: command 0x040f tx timeout [ 69.385089][ T4144] Bluetooth: hci2: command 0x040f tx timeout [ 69.386133][ T4132] Bluetooth: hci4: command 0x040f tx timeout [ 69.387323][ T4132] Bluetooth: hci5: command 0x040f tx timeout [ 69.387783][ T4802] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 69.389882][ T4802] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 69.400629][ T1639] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.402118][ T1639] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.403625][ T1639] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.406916][ T1639] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.408011][ T1639] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.409504][ T1639] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.416730][ T1639] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.420930][ T1639] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.423166][ T1639] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.429319][ T1639] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.430953][ T1639] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.432525][ T1639] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.435704][ T1639] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.437330][ T1639] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.438828][ T1639] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.452141][ T4788] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.457050][ T1639] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.458503][ T1639] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.460037][ T1639] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.461209][ T1639] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.462527][ T1639] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.465804][ T1639] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.475417][ T4796] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.481596][ T1639] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 69.483257][ T1639] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 69.502430][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 69.504685][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 69.506259][ T4788] device veth0_vlan entered promiscuous mode [ 69.507562][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 69.508871][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 69.518061][ T4788] device veth1_vlan entered promiscuous mode [ 69.546982][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 69.548572][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 69.549971][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 69.551230][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 69.560505][ T4788] device veth0_macvtap entered promiscuous mode [ 69.571550][ T4788] device veth1_macvtap entered promiscuous mode [ 69.577477][ T4788] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 69.579110][ T4788] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 69.580600][ T4788] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 69.582149][ T4788] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 69.593980][ T4788] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 69.595658][ T4788] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 69.597928][ T4788] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 69.599792][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 69.601242][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 69.602591][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.606091][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.607187][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 69.611331][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 69.624347][ T1540] cfg80211: failed to load regulatory.db [ 69.625908][ T4802] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.625992][ T2065] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.627981][ T2065] ieee802154 phy1 wpan1: encryption failed: -22 [ 69.631188][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.632458][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.643293][ T4796] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.658445][ T5329] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 69.659624][ T5329] CPU: 0 PID: 5329 Comm: syz.1.25 Not tainted syzkaller #0 [ 69.660637][ T5329] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 69.662139][ T5329] Call trace: [ 69.662674][ T5329] dump_backtrace+0x0/0x458 [ 69.663393][ T5329] show_stack+0x2c/0x3c [ 69.664013][ T5329] __dump_stack+0x30/0x40 [ 69.664668][ T5329] dump_stack_lvl+0xf4/0x15c [ 69.665466][ T5329] dump_stack+0x1c/0x5c [ 69.666175][ T5329] sysfs_create_dir_ns+0x244/0x264 [ 69.667054][ T5329] kobject_add_internal+0x5ac/0xc3c [ 69.667970][ T5329] kobject_init_and_add+0x124/0x190 [ 69.668828][ T5329] gfs2_sys_fs_add+0x200/0x41c [ 69.669623][ T5329] gfs2_fill_super+0xddc/0x1a18 [ 69.670413][ T5329] get_tree_bdev+0x358/0x544 [ 69.671148][ T5329] gfs2_get_tree+0x54/0x1b4 [ 69.671918][ T5329] vfs_get_tree+0x90/0x274 [ 69.672711][ T5329] do_new_mount+0x228/0x810 [ 69.673456][ T5329] path_mount+0x5bc/0x1008 [ 69.674151][ T5329] __arm64_sys_mount+0x514/0x5f0 [ 69.674953][ T5329] invoke_syscall+0x98/0x2b0 [ 69.675643][ T5329] el0_svc_common+0x138/0x258 [ 69.676304][ T5329] do_el0_svc+0x58/0x13c [ 69.676907][ T5329] el0_svc+0x78/0x1d0 [ 69.677489][ T5329] el0t_64_sync_handler+0xcc/0xe4 [ 69.678179][ T5329] el0t_64_sync+0x1a0/0x1a4 [ 69.692508][ T4788] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 69.695050][ T4788] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 69.696609][ T4788] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 69.698083][ T4788] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 69.699451][ T4788] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 69.701147][ T4788] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 69.708711][ T4788] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 69.710143][ T1639] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 69.711767][ T1639] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 69.725881][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 69.727462][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 69.736945][ T5329] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 69.739023][ T5329] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 69.746539][ T4788] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 69.748020][ T4788] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 69.750954][ T4788] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 69.752320][ T4788] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 69.760351][ T4796] device veth0_vlan entered promiscuous mode [ 69.764597][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 69.766032][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 69.767444][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 69.768895][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 69.771179][ T4796] device veth1_vlan entered promiscuous mode [ 69.805270][ T1639] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 69.806773][ T1639] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 69.808207][ T1639] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 69.809681][ T1639] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 69.817431][ T4796] device veth0_macvtap entered promiscuous mode [ 69.849068][ T4796] device veth1_macvtap entered promiscuous mode [ 69.850796][ T4788] ieee80211 phy13: Selected rate control algorithm 'minstrel_ht' [ 69.871481][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 69.872969][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 69.875158][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 69.876757][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 69.881418][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 69.883006][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 69.889584][ T5313] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 69.890333][ T4788] ieee80211 phy14: Selected rate control algorithm 'minstrel_ht' [ 69.890848][ T5313] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 69.903818][ T4802] device veth0_vlan entered promiscuous mode [ 69.905168][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 69.906606][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 69.907939][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 69.917426][ T384] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 69.917676][ T4796] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 69.918552][ T384] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 69.920292][ T4796] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 69.922782][ T4796] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 69.934185][ T4796] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 69.936358][ T4796] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 69.937975][ T4796] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 69.939617][ T4796] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 69.941361][ T4796] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 69.954732][ T4796] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 69.962512][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 69.964270][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 69.965819][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 70.001706][ T4802] device veth1_vlan entered promiscuous mode [ 70.004788][ T4796] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 70.006510][ T4796] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 70.008125][ T4796] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 70.009738][ T4796] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 70.011214][ T4796] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 70.012591][ T4796] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 70.030252][ T4796] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 70.031916][ T4796] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 70.048317][ T4796] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 70.049658][ T5313] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 70.051152][ T5313] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 70.052631][ T5313] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 70.085457][ T4802] device veth0_macvtap entered promiscuous mode [ 70.091519][ T5313] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 70.092928][ T5313] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 70.094770][ T5313] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 70.096320][ T5313] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 70.099560][ T4796] netdevsim netdevsim3 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.101065][ T4796] netdevsim netdevsim3 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.102534][ T4796] netdevsim netdevsim3 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.117037][ T4796] netdevsim netdevsim3 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.118631][ T5329] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 70.119736][ T5329] CPU: 0 PID: 5329 Comm: syz.1.25 Not tainted syzkaller #0 [ 70.120789][ T5329] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 70.122382][ T5329] Call trace: [ 70.122836][ T5329] dump_backtrace+0x0/0x458 [ 70.123567][ T5329] show_stack+0x2c/0x3c [ 70.124182][ T5329] __dump_stack+0x30/0x40 [ 70.124893][ T5329] dump_stack_lvl+0xf4/0x15c [ 70.125656][ T5329] dump_stack+0x1c/0x5c [ 70.126286][ T5329] sysfs_create_dir_ns+0x244/0x264 [ 70.127158][ T5329] kobject_add_internal+0x5ac/0xc3c [ 70.128029][ T5329] kobject_init_and_add+0x124/0x190 [ 70.128902][ T5329] gfs2_sys_fs_add+0x200/0x41c [ 70.129684][ T5329] gfs2_fill_super+0xddc/0x1a18 [ 70.130414][ T5329] get_tree_bdev+0x358/0x544 [ 70.131148][ T5329] gfs2_get_tree+0x54/0x1b4 [ 70.131929][ T5329] vfs_get_tree+0x90/0x274 [ 70.132785][ T5329] do_new_mount+0x228/0x810 [ 70.133533][ T5329] path_mount+0x5bc/0x1008 [ 70.134230][ T5329] __arm64_sys_mount+0x514/0x5f0 [ 70.135040][ T5329] invoke_syscall+0x98/0x2b0 [ 70.135753][ T5329] el0_svc_common+0x138/0x258 [ 70.136462][ T5329] do_el0_svc+0x58/0x13c [ 70.137194][ T5329] el0_svc+0x78/0x1d0 [ 70.137815][ T5329] el0t_64_sync_handler+0xcc/0xe4 [ 70.138646][ T5329] el0t_64_sync+0x1a0/0x1a4 [ 70.148079][ T4802] device veth1_macvtap entered promiscuous mode [ 70.157177][ T4802] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 70.158821][ T4802] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 70.164296][ T4802] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 70.165945][ T4802] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 70.167478][ T4802] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 70.169491][ T4802] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 70.178883][ T5329] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 70.180967][ T5329] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 70.182094][ T4802] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 70.186248][ T4802] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 70.187689][ T4802] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 70.189154][ T4802] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 70.200046][ T4802] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 70.201282][ T5313] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 70.202898][ T5313] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 70.220657][ T4796] ieee80211 phy15: Selected rate control algorithm 'minstrel_ht' [ 70.234790][ T4802] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 70.236531][ T4802] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 70.238072][ T4802] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 70.239600][ T4802] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 70.240993][ T4802] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 70.242669][ T4802] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 70.245940][ T4802] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 70.247672][ T4802] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 70.249202][ T4802] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 70.250827][ T4802] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 70.252985][ T4802] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 70.275610][ T1644] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 70.275940][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 70.277025][ T1644] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 70.278954][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 70.282947][ T4796] ieee80211 phy16: Selected rate control algorithm 'minstrel_ht' [ 70.292130][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 70.298166][ T384] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 70.299483][ T384] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 70.315864][ T4802] netdevsim netdevsim4 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.317314][ T4802] netdevsim netdevsim4 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.318694][ T4802] netdevsim netdevsim4 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.319996][ T4802] netdevsim netdevsim4 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.323270][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 70.373379][ T4802] ieee80211 phy17: Selected rate control algorithm 'minstrel_ht' [ 70.391226][ T5313] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 70.392431][ T5313] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 70.395652][ T5313] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 70.398261][ T5379] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 70.399477][ T5379] CPU: 1 PID: 5379 Comm: syz.0.15 Not tainted syzkaller #0 [ 70.400684][ T5379] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 70.402270][ T5379] Call trace: [ 70.402865][ T5379] dump_backtrace+0x0/0x458 [ 70.403130][ T4802] ieee80211 phy18: Selected rate control algorithm 'minstrel_ht' [ 70.403664][ T5379] show_stack+0x2c/0x3c [ 70.403678][ T5379] __dump_stack+0x30/0x40 [ 70.403687][ T5379] dump_stack_lvl+0xf4/0x15c [ 70.403693][ T5379] dump_stack+0x1c/0x5c [ 70.407636][ T5379] sysfs_create_dir_ns+0x244/0x264 [ 70.408534][ T5379] kobject_add_internal+0x5ac/0xc3c [ 70.409416][ T5379] kobject_init_and_add+0x124/0x190 [ 70.410273][ T5379] gfs2_sys_fs_add+0x200/0x41c [ 70.411005][ T5379] gfs2_fill_super+0xddc/0x1a18 [ 70.411749][ T5379] get_tree_bdev+0x358/0x544 [ 70.412431][ T5379] gfs2_get_tree+0x54/0x1b4 [ 70.413130][ T5379] vfs_get_tree+0x90/0x274 [ 70.413916][ T5379] do_new_mount+0x228/0x810 [ 70.414610][ T5379] path_mount+0x5bc/0x1008 [ 70.415291][ T5379] __arm64_sys_mount+0x514/0x5f0 [ 70.416136][ T5379] invoke_syscall+0x98/0x2b0 [ 70.416872][ T5379] el0_svc_common+0x138/0x258 [ 70.417322][ T5313] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 70.417595][ T5379] do_el0_svc+0x58/0x13c [ 70.418936][ T5313] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 70.419520][ T5379] el0_svc+0x78/0x1d0 [ 70.420719][ T5313] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 70.421183][ T5379] el0t_64_sync_handler+0xcc/0xe4 [ 70.423116][ T5379] el0t_64_sync+0x1a0/0x1a4 [ 70.477393][ T5379] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 70.479517][ T5379] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 70.647780][ T5402] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 70.649115][ T5402] CPU: 1 PID: 5402 Comm: syz.1.26 Not tainted syzkaller #0 [ 70.650230][ T5402] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 70.652018][ T5402] Call trace: [ 70.652531][ T5402] dump_backtrace+0x0/0x458 [ 70.653211][ T5402] show_stack+0x2c/0x3c [ 70.653819][ T5402] __dump_stack+0x30/0x40 [ 70.654510][ T5402] dump_stack_lvl+0xf4/0x15c [ 70.655221][ T5402] dump_stack+0x1c/0x5c [ 70.655835][ T5402] sysfs_create_dir_ns+0x244/0x264 [ 70.656586][ T5402] kobject_add_internal+0x5ac/0xc3c [ 70.657399][ T5402] kobject_init_and_add+0x124/0x190 [ 70.658219][ T5402] gfs2_sys_fs_add+0x200/0x41c [ 70.658941][ T5402] gfs2_fill_super+0xddc/0x1a18 [ 70.659633][ T5402] get_tree_bdev+0x358/0x544 [ 70.660340][ T5402] gfs2_get_tree+0x54/0x1b4 [ 70.661045][ T5402] vfs_get_tree+0x90/0x274 [ 70.661692][ T5402] do_new_mount+0x228/0x810 [ 70.662398][ T5402] path_mount+0x5bc/0x1008 [ 70.663072][ T5402] __arm64_sys_mount+0x514/0x5f0 [ 70.663823][ T5402] invoke_syscall+0x98/0x2b0 [ 70.664561][ T5402] el0_svc_common+0x138/0x258 [ 70.665245][ T5402] do_el0_svc+0x58/0x13c [ 70.665903][ T5402] el0_svc+0x78/0x1d0 [ 70.666505][ T5402] el0t_64_sync_handler+0xcc/0xe4 [ 70.667286][ T5402] el0t_64_sync+0x1a0/0x1a4 [ 70.688441][ T5402] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 70.690814][ T5402] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 70.707869][ T5409] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 70.709079][ T5409] CPU: 0 PID: 5409 Comm: syz.4.19 Not tainted syzkaller #0 [ 70.710286][ T5409] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 70.711938][ T5409] Call trace: [ 70.712460][ T5409] dump_backtrace+0x0/0x458 [ 70.713112][ T5409] show_stack+0x2c/0x3c [ 70.713755][ T5409] __dump_stack+0x30/0x40 [ 70.714219][ T5404] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 70.714447][ T5409] dump_stack_lvl+0xf4/0x15c [ 70.716311][ T5409] dump_stack+0x1c/0x5c [ 70.716909][ T5409] sysfs_create_dir_ns+0x244/0x264 [ 70.717725][ T5409] kobject_add_internal+0x5ac/0xc3c [ 70.718614][ T5409] kobject_init_and_add+0x124/0x190 [ 70.719527][ T5409] gfs2_sys_fs_add+0x200/0x41c [ 70.720275][ T5409] gfs2_fill_super+0xddc/0x1a18 [ 70.721030][ T5409] get_tree_bdev+0x358/0x544 [ 70.721771][ T5409] gfs2_get_tree+0x54/0x1b4 [ 70.722488][ T5409] vfs_get_tree+0x90/0x274 [ 70.723258][ T5409] do_new_mount+0x228/0x810 [ 70.724055][ T5409] path_mount+0x5bc/0x1008 [ 70.724743][ T5409] __arm64_sys_mount+0x514/0x5f0 [ 70.725573][ T5409] invoke_syscall+0x98/0x2b0 [ 70.726344][ T5409] el0_svc_common+0x138/0x258 [ 70.727101][ T5409] do_el0_svc+0x58/0x13c [ 70.727840][ T5409] el0_svc+0x78/0x1d0 [ 70.728502][ T5409] el0t_64_sync_handler+0xcc/0xe4 [ 70.729316][ T5409] el0t_64_sync+0x1a0/0x1a4 [ 70.730055][ T5404] CPU: 1 PID: 5404 Comm: syz.3.18 Not tainted syzkaller #0 [ 70.731164][ T5404] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 70.732735][ T5404] Call trace: [ 70.733280][ T5404] dump_backtrace+0x0/0x458 [ 70.734021][ T5404] show_stack+0x2c/0x3c [ 70.734692][ T5404] __dump_stack+0x30/0x40 [ 70.735346][ T5404] dump_stack_lvl+0xf4/0x15c [ 70.736110][ T5404] dump_stack+0x1c/0x5c [ 70.736748][ T5404] sysfs_create_dir_ns+0x244/0x264 [ 70.737577][ T5404] kobject_add_internal+0x5ac/0xc3c [ 70.738388][ T5404] kobject_init_and_add+0x124/0x190 [ 70.739240][ T5404] gfs2_sys_fs_add+0x200/0x41c [ 70.740095][ T5404] gfs2_fill_super+0xddc/0x1a18 [ 70.740899][ T5404] get_tree_bdev+0x358/0x544 [ 70.741675][ T5404] gfs2_get_tree+0x54/0x1b4 [ 70.742394][ T5404] vfs_get_tree+0x90/0x274 [ 70.743059][ T5404] do_new_mount+0x228/0x810 [ 70.743724][ T5404] path_mount+0x5bc/0x1008 [ 70.744361][ T5404] __arm64_sys_mount+0x514/0x5f0 [ 70.745128][ T5404] invoke_syscall+0x98/0x2b0 [ 70.745856][ T5404] el0_svc_common+0x138/0x258 [ 70.746610][ T5404] do_el0_svc+0x58/0x13c [ 70.747306][ T5404] el0_svc+0x78/0x1d0 [ 70.747892][ T5404] el0t_64_sync_handler+0xcc/0xe4 [ 70.748726][ T5404] el0t_64_sync+0x1a0/0x1a4 [ 70.750597][ T5409] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 70.752683][ T5409] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 70.763952][ T5404] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 70.765911][ T5404] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 70.807074][ T449] device hsr_slave_0 left promiscuous mode [ 70.884029][ T449] device hsr_slave_1 left promiscuous mode [ 70.916009][ T5379] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 70.917265][ T5379] CPU: 0 PID: 5379 Comm: syz.0.15 Not tainted syzkaller #0 [ 70.918390][ T5379] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 70.920035][ T5379] Call trace: [ 70.920589][ T5379] dump_backtrace+0x0/0x458 [ 70.921282][ T5379] show_stack+0x2c/0x3c [ 70.922016][ T5379] __dump_stack+0x30/0x40 [ 70.922714][ T5379] dump_stack_lvl+0xf4/0x15c [ 70.923469][ T5379] dump_stack+0x1c/0x5c [ 70.924126][ T5379] sysfs_create_dir_ns+0x244/0x264 [ 70.924937][ T5379] kobject_add_internal+0x5ac/0xc3c [ 70.925778][ T5379] kobject_init_and_add+0x124/0x190 [ 70.926602][ T5379] gfs2_sys_fs_add+0x200/0x41c [ 70.927444][ T5379] gfs2_fill_super+0xddc/0x1a18 [ 70.928286][ T5379] get_tree_bdev+0x358/0x544 [ 70.928993][ T5379] gfs2_get_tree+0x54/0x1b4 [ 70.929743][ T5379] vfs_get_tree+0x90/0x274 [ 70.930518][ T5379] do_new_mount+0x228/0x810 [ 70.931235][ T5379] path_mount+0x5bc/0x1008 [ 70.932003][ T5379] __arm64_sys_mount+0x514/0x5f0 [ 70.932774][ T5379] invoke_syscall+0x98/0x2b0 [ 70.933475][ T5379] el0_svc_common+0x138/0x258 [ 70.934201][ T5379] do_el0_svc+0x58/0x13c [ 70.934878][ T5379] el0_svc+0x78/0x1d0 [ 70.935577][ T5379] el0t_64_sync_handler+0xcc/0xe4 [ 70.936413][ T5379] el0t_64_sync+0x1a0/0x1a4 [ 70.973778][ T449] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 70.975022][ T449] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 70.984909][ T449] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 70.986081][ T449] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 70.987935][ T449] device bridge_slave_1 left promiscuous mode [ 70.989023][ T449] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.990414][ T5379] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 70.992477][ T5379] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 71.025369][ T5402] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 71.026514][ T5402] CPU: 1 PID: 5402 Comm: syz.1.26 Not tainted syzkaller #0 [ 71.027729][ T5402] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 71.029461][ T5402] Call trace: [ 71.030040][ T5402] dump_backtrace+0x0/0x458 [ 71.030755][ T5402] show_stack+0x2c/0x3c [ 71.031472][ T5402] __dump_stack+0x30/0x40 [ 71.032199][ T5402] dump_stack_lvl+0xf4/0x15c [ 71.033002][ T5402] dump_stack+0x1c/0x5c [ 71.033680][ T5402] sysfs_create_dir_ns+0x244/0x264 [ 71.034517][ T5402] kobject_add_internal+0x5ac/0xc3c [ 71.035316][ T5402] kobject_init_and_add+0x124/0x190 [ 71.036097][ T5402] gfs2_sys_fs_add+0x200/0x41c [ 71.036785][ T5402] gfs2_fill_super+0xddc/0x1a18 [ 71.037528][ T5402] get_tree_bdev+0x358/0x544 [ 71.038254][ T5402] gfs2_get_tree+0x54/0x1b4 [ 71.039033][ T5402] vfs_get_tree+0x90/0x274 [ 71.039779][ T5402] do_new_mount+0x228/0x810 [ 71.040563][ T5402] path_mount+0x5bc/0x1008 [ 71.041333][ T5402] __arm64_sys_mount+0x514/0x5f0 [ 71.042149][ T5402] invoke_syscall+0x98/0x2b0 [ 71.042888][ T5402] el0_svc_common+0x138/0x258 [ 71.043640][ T5402] do_el0_svc+0x58/0x13c [ 71.044369][ T5402] el0_svc+0x78/0x1d0 [ 71.045083][ T5402] el0t_64_sync_handler+0xcc/0xe4 [ 71.045927][ T5402] el0t_64_sync+0x1a0/0x1a4 [ 71.046958][ T449] device bridge_slave_0 left promiscuous mode [ 71.048007][ T449] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.067727][ T5402] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 71.069821][ T5402] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 71.100769][ T5404] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 71.102026][ T5404] CPU: 0 PID: 5404 Comm: syz.3.18 Not tainted syzkaller #0 [ 71.103135][ T5404] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 71.104647][ T5404] Call trace: [ 71.105096][ T5404] dump_backtrace+0x0/0x458 [ 71.105739][ T5404] show_stack+0x2c/0x3c [ 71.106338][ T5404] __dump_stack+0x30/0x40 [ 71.107073][ T5404] dump_stack_lvl+0xf4/0x15c [ 71.107862][ T5404] dump_stack+0x1c/0x5c [ 71.108512][ T5404] sysfs_create_dir_ns+0x244/0x264 [ 71.109293][ T5404] kobject_add_internal+0x5ac/0xc3c [ 71.110157][ T5404] kobject_init_and_add+0x124/0x190 [ 71.110965][ T5404] gfs2_sys_fs_add+0x200/0x41c [ 71.111661][ T5404] gfs2_fill_super+0xddc/0x1a18 [ 71.112395][ T5404] get_tree_bdev+0x358/0x544 [ 71.113098][ T5404] gfs2_get_tree+0x54/0x1b4 [ 71.113775][ T5404] vfs_get_tree+0x90/0x274 [ 71.114462][ T5404] do_new_mount+0x228/0x810 [ 71.115128][ T5404] path_mount+0x5bc/0x1008 [ 71.115747][ T5404] __arm64_sys_mount+0x514/0x5f0 [ 71.116459][ T5404] invoke_syscall+0x98/0x2b0 [ 71.117206][ T5404] el0_svc_common+0x138/0x258 [ 71.117878][ T5404] do_el0_svc+0x58/0x13c [ 71.118541][ T5404] el0_svc+0x78/0x1d0 [ 71.119170][ T5404] el0t_64_sync_handler+0xcc/0xe4 [ 71.119958][ T5404] el0t_64_sync+0x1a0/0x1a4 [ 71.121274][ T5409] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 71.122371][ T5409] CPU: 0 PID: 5409 Comm: syz.4.19 Not tainted syzkaller #0 [ 71.123415][ T5409] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 71.125019][ T5409] Call trace: [ 71.125502][ T5409] dump_backtrace+0x0/0x458 [ 71.126196][ T5409] show_stack+0x2c/0x3c [ 71.126807][ T5409] __dump_stack+0x30/0x40 [ 71.127480][ T5409] dump_stack_lvl+0xf4/0x15c [ 71.128232][ T5409] dump_stack+0x1c/0x5c [ 71.128908][ T5409] sysfs_create_dir_ns+0x244/0x264 [ 71.129597][ T5409] kobject_add_internal+0x5ac/0xc3c [ 71.130396][ T5409] kobject_init_and_add+0x124/0x190 [ 71.131232][ T5409] gfs2_sys_fs_add+0x200/0x41c [ 71.131990][ T5409] gfs2_fill_super+0xddc/0x1a18 [ 71.132795][ T5409] get_tree_bdev+0x358/0x544 [ 71.133598][ T5409] gfs2_get_tree+0x54/0x1b4 [ 71.134370][ T5409] vfs_get_tree+0x90/0x274 [ 71.135121][ T5409] do_new_mount+0x228/0x810 [ 71.135811][ T5409] path_mount+0x5bc/0x1008 [ 71.136540][ T5409] __arm64_sys_mount+0x514/0x5f0 [ 71.137266][ T5409] invoke_syscall+0x98/0x2b0 [ 71.137942][ T5409] el0_svc_common+0x138/0x258 [ 71.138624][ T5409] do_el0_svc+0x58/0x13c [ 71.139290][ T5409] el0_svc+0x78/0x1d0 [ 71.139987][ T5409] el0t_64_sync_handler+0xcc/0xe4 [ 71.140780][ T5409] el0t_64_sync+0x1a0/0x1a4 [ 71.166358][ T5404] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 71.168425][ T5404] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 71.173402][ T5409] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 71.184411][ T5409] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 71.269824][ T5440] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 71.273294][ T5440] CPU: 1 PID: 5440 Comm: syz.0.27 Not tainted syzkaller #0 [ 71.273780][ T449] device veth1_macvtap left promiscuous mode [ 71.274473][ T5440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 71.275543][ T449] device veth0_macvtap left promiscuous mode [ 71.277249][ T5440] Call trace: [ 71.278190][ T449] device veth1_vlan left promiscuous mode [ 71.278701][ T5440] dump_backtrace+0x0/0x458 [ 71.279629][ T449] device veth0_vlan left promiscuous mode [ 71.280271][ T5440] show_stack+0x2c/0x3c [ 71.281867][ T5440] __dump_stack+0x30/0x40 [ 71.282532][ T5440] dump_stack_lvl+0xf4/0x15c [ 71.283216][ T5440] dump_stack+0x1c/0x5c [ 71.283818][ T5440] sysfs_create_dir_ns+0x244/0x264 [ 71.284549][ T5440] kobject_add_internal+0x5ac/0xc3c [ 71.285354][ T5440] kobject_init_and_add+0x124/0x190 [ 71.286146][ T5440] gfs2_sys_fs_add+0x200/0x41c [ 71.286881][ T5440] gfs2_fill_super+0xddc/0x1a18 [ 71.287603][ T5440] get_tree_bdev+0x358/0x544 [ 71.288208][ T5440] gfs2_get_tree+0x54/0x1b4 [ 71.288838][ T5440] vfs_get_tree+0x90/0x274 [ 71.289520][ T5440] do_new_mount+0x228/0x810 [ 71.290254][ T5440] path_mount+0x5bc/0x1008 [ 71.290876][ T5440] __arm64_sys_mount+0x514/0x5f0 [ 71.291596][ T5440] invoke_syscall+0x98/0x2b0 [ 71.292271][ T5440] el0_svc_common+0x138/0x258 [ 71.292941][ T5440] do_el0_svc+0x58/0x13c [ 71.293557][ T5440] el0_svc+0x78/0x1d0 [ 71.294146][ T5440] el0t_64_sync_handler+0xcc/0xe4 [ 71.294903][ T5440] el0t_64_sync+0x1a0/0x1a4 [ 71.309916][ T5440] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 71.311965][ T5440] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 71.384204][ T4135] Bluetooth: hci1: command 0x0419 tx timeout [ 71.422314][ T5444] set_capacity_and_notify: 14 callbacks suppressed [ 71.422323][ T5444] loop1: detected capacity change from 0 to 32768 [ 71.451990][ T5444] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 71.453285][ T5444] CPU: 1 PID: 5444 Comm: syz.1.28 Not tainted syzkaller #0 [ 71.454536][ T5444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 71.456189][ T5444] Call trace: [ 71.456659][ T5444] dump_backtrace+0x0/0x458 [ 71.457462][ T5444] show_stack+0x2c/0x3c [ 71.458159][ T5444] __dump_stack+0x30/0x40 [ 71.458826][ T5444] dump_stack_lvl+0xf4/0x15c [ 71.459637][ T5444] dump_stack+0x1c/0x5c [ 71.460377][ T5444] sysfs_create_dir_ns+0x244/0x264 [ 71.461158][ T5444] kobject_add_internal+0x5ac/0xc3c [ 71.462054][ T5444] kobject_init_and_add+0x124/0x190 [ 71.462948][ T5444] gfs2_sys_fs_add+0x200/0x41c [ 71.463731][ T5444] gfs2_fill_super+0xddc/0x1a18 [ 71.464528][ T5444] get_tree_bdev+0x358/0x544 [ 71.465279][ T5444] gfs2_get_tree+0x54/0x1b4 [ 71.465968][ T5444] vfs_get_tree+0x90/0x274 [ 71.466639][ T5444] do_new_mount+0x228/0x810 [ 71.467397][ T5444] path_mount+0x5bc/0x1008 [ 71.468057][ T5444] __arm64_sys_mount+0x514/0x5f0 [ 71.468857][ T5444] invoke_syscall+0x98/0x2b0 [ 71.469531][ T5444] el0_svc_common+0x138/0x258 [ 71.470222][ T5444] do_el0_svc+0x58/0x13c [ 71.470836][ T5444] el0_svc+0x78/0x1d0 [ 71.471465][ T5444] el0t_64_sync_handler+0xcc/0xe4 [ 71.472266][ T5444] el0t_64_sync+0x1a0/0x1a4 [ 71.476006][ T4140] Bluetooth: hci5: command 0x0419 tx timeout [ 71.477068][ T4140] Bluetooth: hci4: command 0x0419 tx timeout [ 71.478237][ T4140] Bluetooth: hci3: command 0x0419 tx timeout [ 71.479331][ T4140] Bluetooth: hci2: command 0x0419 tx timeout [ 71.509469][ T5444] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 71.511534][ T5444] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 71.583141][ T5459] loop3: detected capacity change from 0 to 32768 [ 71.585227][ T5457] loop4: detected capacity change from 0 to 32768 [ 71.586706][ T5457] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 71.587875][ T5457] CPU: 0 PID: 5457 Comm: syz.4.30 Not tainted syzkaller #0 [ 71.588918][ T5457] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 71.590417][ T5457] Call trace: [ 71.590925][ T5457] dump_backtrace+0x0/0x458 [ 71.591654][ T5457] show_stack+0x2c/0x3c [ 71.592350][ T5457] __dump_stack+0x30/0x40 [ 71.593032][ T5457] dump_stack_lvl+0xf4/0x15c [ 71.593771][ T5457] dump_stack+0x1c/0x5c [ 71.594399][ T5457] sysfs_create_dir_ns+0x244/0x264 [ 71.595226][ T5457] kobject_add_internal+0x5ac/0xc3c [ 71.596095][ T5457] kobject_init_and_add+0x124/0x190 [ 71.596940][ T5457] gfs2_sys_fs_add+0x200/0x41c [ 71.597714][ T5457] gfs2_fill_super+0xddc/0x1a18 [ 71.598505][ T5457] get_tree_bdev+0x358/0x544 [ 71.599211][ T5457] gfs2_get_tree+0x54/0x1b4 [ 71.599918][ T5457] vfs_get_tree+0x90/0x274 [ 71.600546][ T5457] do_new_mount+0x228/0x810 [ 71.601261][ T5457] path_mount+0x5bc/0x1008 [ 71.601914][ T5457] __arm64_sys_mount+0x514/0x5f0 [ 71.602595][ T5457] invoke_syscall+0x98/0x2b0 [ 71.603294][ T5457] el0_svc_common+0x138/0x258 [ 71.603977][ T5457] do_el0_svc+0x58/0x13c [ 71.604583][ T5457] el0_svc+0x78/0x1d0 [ 71.605168][ T5457] el0t_64_sync_handler+0xcc/0xe4 [ 71.605902][ T5457] el0t_64_sync+0x1a0/0x1a4 [ 71.609757][ T5459] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 71.610823][ T5459] CPU: 0 PID: 5459 Comm: syz.3.29 Not tainted syzkaller #0 [ 71.611863][ T5459] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 71.613356][ T5459] Call trace: [ 71.613867][ T5459] dump_backtrace+0x0/0x458 [ 71.614547][ T5459] show_stack+0x2c/0x3c [ 71.615166][ T5459] __dump_stack+0x30/0x40 [ 71.615866][ T5459] dump_stack_lvl+0xf4/0x15c [ 71.616635][ T5459] dump_stack+0x1c/0x5c [ 71.617343][ T5459] sysfs_create_dir_ns+0x244/0x264 [ 71.618205][ T5459] kobject_add_internal+0x5ac/0xc3c [ 71.618996][ T5459] kobject_init_and_add+0x124/0x190 [ 71.619787][ T5459] gfs2_sys_fs_add+0x200/0x41c [ 71.620645][ T5459] gfs2_fill_super+0xddc/0x1a18 [ 71.621467][ T5459] get_tree_bdev+0x358/0x544 [ 71.622234][ T5459] gfs2_get_tree+0x54/0x1b4 [ 71.622967][ T5459] vfs_get_tree+0x90/0x274 [ 71.623599][ T5459] do_new_mount+0x228/0x810 [ 71.624322][ T5459] path_mount+0x5bc/0x1008 [ 71.625051][ T5459] __arm64_sys_mount+0x514/0x5f0 [ 71.625876][ T5459] invoke_syscall+0x98/0x2b0 [ 71.626628][ T5459] el0_svc_common+0x138/0x258 [ 71.627375][ T5459] do_el0_svc+0x58/0x13c [ 71.628048][ T5459] el0_svc+0x78/0x1d0 [ 71.628663][ T5459] el0t_64_sync_handler+0xcc/0xe4 [ 71.629481][ T5459] el0t_64_sync+0x1a0/0x1a4 [ 71.634579][ T5440] loop0: detected capacity change from 0 to 32768 [ 71.637808][ T5457] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 71.640016][ T5457] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 71.641343][ T5459] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 71.647872][ T5459] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 71.684570][ T5440] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 71.685788][ T5440] CPU: 1 PID: 5440 Comm: syz.0.27 Not tainted syzkaller #0 [ 71.686904][ T5440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 71.688401][ T5440] Call trace: [ 71.688915][ T5440] dump_backtrace+0x0/0x458 [ 71.689632][ T5440] show_stack+0x2c/0x3c [ 71.690205][ T5440] __dump_stack+0x30/0x40 [ 71.690817][ T5440] dump_stack_lvl+0xf4/0x15c [ 71.691487][ T5440] dump_stack+0x1c/0x5c [ 71.692108][ T5440] sysfs_create_dir_ns+0x244/0x264 [ 71.692891][ T5440] kobject_add_internal+0x5ac/0xc3c [ 71.693610][ T5440] kobject_init_and_add+0x124/0x190 [ 71.694399][ T5440] gfs2_sys_fs_add+0x200/0x41c [ 71.695242][ T5440] gfs2_fill_super+0xddc/0x1a18 [ 71.696070][ T5440] get_tree_bdev+0x358/0x544 [ 71.696867][ T5440] gfs2_get_tree+0x54/0x1b4 [ 71.697619][ T5440] vfs_get_tree+0x90/0x274 [ 71.698360][ T5440] do_new_mount+0x228/0x810 [ 71.699125][ T5440] path_mount+0x5bc/0x1008 [ 71.699864][ T5440] __arm64_sys_mount+0x514/0x5f0 [ 71.700629][ T5440] invoke_syscall+0x98/0x2b0 [ 71.701299][ T5440] el0_svc_common+0x138/0x258 [ 71.702094][ T5440] do_el0_svc+0x58/0x13c [ 71.702756][ T5440] el0_svc+0x78/0x1d0 [ 71.703393][ T5440] el0t_64_sync_handler+0xcc/0xe4 [ 71.704200][ T5440] el0t_64_sync+0x1a0/0x1a4 [ 71.711554][ T449] team0 (unregistering): Port device team_slave_1 removed [ 71.736385][ T5440] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 71.738711][ T5440] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 71.761286][ T5444] loop1: detected capacity change from 0 to 32768 [ 71.774613][ T449] team0 (unregistering): Port device team_slave_0 removed [ 71.786205][ T449] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 71.807989][ T5444] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 71.809243][ T5444] CPU: 1 PID: 5444 Comm: syz.1.28 Not tainted syzkaller #0 [ 71.810380][ T5444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 71.811976][ T5444] Call trace: [ 71.812457][ T5444] dump_backtrace+0x0/0x458 [ 71.813172][ T5444] show_stack+0x2c/0x3c [ 71.813863][ T5444] __dump_stack+0x30/0x40 [ 71.814602][ T5444] dump_stack_lvl+0xf4/0x15c [ 71.815362][ T5444] dump_stack+0x1c/0x5c [ 71.816083][ T5444] sysfs_create_dir_ns+0x244/0x264 [ 71.816901][ T5444] kobject_add_internal+0x5ac/0xc3c [ 71.817746][ T5444] kobject_init_and_add+0x124/0x190 [ 71.818622][ T5444] gfs2_sys_fs_add+0x200/0x41c [ 71.819410][ T5444] gfs2_fill_super+0xddc/0x1a18 [ 71.820199][ T5444] get_tree_bdev+0x358/0x544 [ 71.820915][ T5444] gfs2_get_tree+0x54/0x1b4 [ 71.821630][ T5444] vfs_get_tree+0x90/0x274 [ 71.822314][ T5444] do_new_mount+0x228/0x810 [ 71.823002][ T5444] path_mount+0x5bc/0x1008 [ 71.823751][ T5444] __arm64_sys_mount+0x514/0x5f0 [ 71.824570][ T5444] invoke_syscall+0x98/0x2b0 [ 71.825345][ T5444] el0_svc_common+0x138/0x258 [ 71.826149][ T5444] do_el0_svc+0x58/0x13c [ 71.826810][ T5444] el0_svc+0x78/0x1d0 [ 71.827471][ T5444] el0t_64_sync_handler+0xcc/0xe4 [ 71.828299][ T5444] el0t_64_sync+0x1a0/0x1a4 [ 71.857176][ T449] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 71.864806][ T5444] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 71.867049][ T5444] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 71.873291][ T5459] loop3: detected capacity change from 0 to 32768 [ 71.885932][ T5457] loop4: detected capacity change from 0 to 32768 [ 71.920541][ T5459] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 71.921730][ T5459] CPU: 0 PID: 5459 Comm: syz.3.29 Not tainted syzkaller #0 [ 71.922886][ T5459] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 71.924475][ T5459] Call trace: [ 71.924989][ T5459] dump_backtrace+0x0/0x458 [ 71.925770][ T5459] show_stack+0x2c/0x3c [ 71.926507][ T5459] __dump_stack+0x30/0x40 [ 71.927219][ T5459] dump_stack_lvl+0xf4/0x15c [ 71.927946][ T5459] dump_stack+0x1c/0x5c [ 71.928666][ T5459] sysfs_create_dir_ns+0x244/0x264 [ 71.929458][ T5459] kobject_add_internal+0x5ac/0xc3c [ 71.930240][ T5459] kobject_init_and_add+0x124/0x190 [ 71.931060][ T5459] gfs2_sys_fs_add+0x200/0x41c [ 71.931801][ T5459] gfs2_fill_super+0xddc/0x1a18 [ 71.932505][ T5459] get_tree_bdev+0x358/0x544 [ 71.933139][ T5459] gfs2_get_tree+0x54/0x1b4 [ 71.933769][ T5459] vfs_get_tree+0x90/0x274 [ 71.934437][ T5459] do_new_mount+0x228/0x810 [ 71.935123][ T5459] path_mount+0x5bc/0x1008 [ 71.935823][ T5459] __arm64_sys_mount+0x514/0x5f0 [ 71.936550][ T5459] invoke_syscall+0x98/0x2b0 [ 71.937344][ T5459] el0_svc_common+0x138/0x258 [ 71.938110][ T5459] do_el0_svc+0x58/0x13c [ 71.938810][ T5459] el0_svc+0x78/0x1d0 [ 71.939423][ T5459] el0t_64_sync_handler+0xcc/0xe4 [ 71.940289][ T5459] el0t_64_sync+0x1a0/0x1a4 [ 71.941525][ T5457] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 71.942606][ T5457] CPU: 0 PID: 5457 Comm: syz.4.30 Not tainted syzkaller #0 [ 71.943708][ T5457] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 71.945324][ T5457] Call trace: [ 71.945913][ T5457] dump_backtrace+0x0/0x458 [ 71.946694][ T5457] show_stack+0x2c/0x3c [ 71.947371][ T5457] __dump_stack+0x30/0x40 [ 71.948077][ T5457] dump_stack_lvl+0xf4/0x15c [ 71.948781][ T5457] dump_stack+0x1c/0x5c [ 71.949408][ T5457] sysfs_create_dir_ns+0x244/0x264 [ 71.950204][ T5457] kobject_add_internal+0x5ac/0xc3c [ 71.951001][ T5457] kobject_init_and_add+0x124/0x190 [ 71.951899][ T5457] gfs2_sys_fs_add+0x200/0x41c [ 71.952606][ T5457] gfs2_fill_super+0xddc/0x1a18 [ 71.953344][ T5457] get_tree_bdev+0x358/0x544 [ 71.954043][ T5457] gfs2_get_tree+0x54/0x1b4 [ 71.954708][ T5457] vfs_get_tree+0x90/0x274 [ 71.955390][ T5457] do_new_mount+0x228/0x810 [ 71.956089][ T5457] path_mount+0x5bc/0x1008 [ 71.956792][ T5457] __arm64_sys_mount+0x514/0x5f0 [ 71.957516][ T5457] invoke_syscall+0x98/0x2b0 [ 71.958200][ T5457] el0_svc_common+0x138/0x258 [ 71.958919][ T5457] do_el0_svc+0x58/0x13c [ 71.959588][ T5457] el0_svc+0x78/0x1d0 [ 71.960251][ T5457] el0t_64_sync_handler+0xcc/0xe4 [ 71.961167][ T5457] el0t_64_sync+0x1a0/0x1a4 [ 71.995856][ T5459] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 71.996760][ T449] bond0 (unregistering): Released all slaves [ 71.997901][ T5459] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 71.998661][ T5457] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.001883][ T5457] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.058713][ T5471] loop0: detected capacity change from 0 to 32768 [ 72.086224][ T5471] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.087403][ T5471] CPU: 0 PID: 5471 Comm: syz.0.31 Not tainted syzkaller #0 [ 72.088435][ T5471] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 72.089976][ T5471] Call trace: [ 72.090482][ T5471] dump_backtrace+0x0/0x458 [ 72.091167][ T5471] show_stack+0x2c/0x3c [ 72.091797][ T5471] __dump_stack+0x30/0x40 [ 72.092492][ T5471] dump_stack_lvl+0xf4/0x15c [ 72.093192][ T5471] dump_stack+0x1c/0x5c [ 72.093846][ T5471] sysfs_create_dir_ns+0x244/0x264 [ 72.094658][ T5471] kobject_add_internal+0x5ac/0xc3c [ 72.095525][ T5471] kobject_init_and_add+0x124/0x190 [ 72.096406][ T5471] gfs2_sys_fs_add+0x200/0x41c [ 72.097160][ T5471] gfs2_fill_super+0xddc/0x1a18 [ 72.097955][ T5471] get_tree_bdev+0x358/0x544 [ 72.098657][ T5471] gfs2_get_tree+0x54/0x1b4 [ 72.099350][ T5471] vfs_get_tree+0x90/0x274 [ 72.100033][ T5471] do_new_mount+0x228/0x810 [ 72.100693][ T5471] path_mount+0x5bc/0x1008 [ 72.101381][ T5471] __arm64_sys_mount+0x514/0x5f0 [ 72.102145][ T5471] invoke_syscall+0x98/0x2b0 [ 72.102881][ T5471] el0_svc_common+0x138/0x258 [ 72.103573][ T5471] do_el0_svc+0x58/0x13c [ 72.104333][ T5471] el0_svc+0x78/0x1d0 [ 72.105013][ T5471] el0t_64_sync_handler+0xcc/0xe4 [ 72.105903][ T5471] el0t_64_sync+0x1a0/0x1a4 [ 72.165979][ T5471] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.168344][ T5471] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.180584][ T5473] loop1: detected capacity change from 0 to 32768 [ 72.217161][ T5473] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.218481][ T5473] CPU: 1 PID: 5473 Comm: syz.1.32 Not tainted syzkaller #0 [ 72.219643][ T5473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 72.221129][ T5473] Call trace: [ 72.221614][ T5473] dump_backtrace+0x0/0x458 [ 72.222369][ T5473] show_stack+0x2c/0x3c [ 72.223038][ T5473] __dump_stack+0x30/0x40 [ 72.223751][ T5473] dump_stack_lvl+0xf4/0x15c [ 72.224545][ T5473] dump_stack+0x1c/0x5c [ 72.225241][ T5473] sysfs_create_dir_ns+0x244/0x264 [ 72.226077][ T5473] kobject_add_internal+0x5ac/0xc3c [ 72.226960][ T5473] kobject_init_and_add+0x124/0x190 [ 72.227835][ T5473] gfs2_sys_fs_add+0x200/0x41c [ 72.228657][ T5473] gfs2_fill_super+0xddc/0x1a18 [ 72.229470][ T5473] get_tree_bdev+0x358/0x544 [ 72.230234][ T5473] gfs2_get_tree+0x54/0x1b4 [ 72.230950][ T5473] vfs_get_tree+0x90/0x274 [ 72.231635][ T5473] do_new_mount+0x228/0x810 [ 72.232309][ T5473] path_mount+0x5bc/0x1008 [ 72.232918][ T5473] __arm64_sys_mount+0x514/0x5f0 [ 72.233698][ T5473] invoke_syscall+0x98/0x2b0 [ 72.234494][ T5473] el0_svc_common+0x138/0x258 [ 72.235238][ T5473] do_el0_svc+0x58/0x13c [ 72.235922][ T5473] el0_svc+0x78/0x1d0 [ 72.236573][ T5473] el0t_64_sync_handler+0xcc/0xe4 [ 72.237393][ T5473] el0t_64_sync+0x1a0/0x1a4 [ 72.286284][ T5473] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.288561][ T5473] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.296724][ T5475] loop3: detected capacity change from 0 to 32768 [ 72.336004][ T5475] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.337258][ T5475] CPU: 0 PID: 5475 Comm: syz.3.33 Not tainted syzkaller #0 [ 72.338430][ T5475] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 72.339863][ T5475] Call trace: [ 72.340366][ T5475] dump_backtrace+0x0/0x458 [ 72.341060][ T5475] show_stack+0x2c/0x3c [ 72.341680][ T5475] __dump_stack+0x30/0x40 [ 72.342326][ T5475] dump_stack_lvl+0xf4/0x15c [ 72.343056][ T5475] dump_stack+0x1c/0x5c [ 72.343647][ T5475] sysfs_create_dir_ns+0x244/0x264 [ 72.344401][ T5475] kobject_add_internal+0x5ac/0xc3c [ 72.345188][ T5475] kobject_init_and_add+0x124/0x190 [ 72.346069][ T5475] gfs2_sys_fs_add+0x200/0x41c [ 72.346774][ T5475] gfs2_fill_super+0xddc/0x1a18 [ 72.347575][ T5475] get_tree_bdev+0x358/0x544 [ 72.348213][ T5475] gfs2_get_tree+0x54/0x1b4 [ 72.348889][ T5475] vfs_get_tree+0x90/0x274 [ 72.349535][ T5475] do_new_mount+0x228/0x810 [ 72.350294][ T5475] path_mount+0x5bc/0x1008 [ 72.351049][ T5475] __arm64_sys_mount+0x514/0x5f0 [ 72.351917][ T5475] invoke_syscall+0x98/0x2b0 [ 72.352762][ T5475] el0_svc_common+0x138/0x258 [ 72.353547][ T5475] do_el0_svc+0x58/0x13c [ 72.354209][ T5475] el0_svc+0x78/0x1d0 [ 72.354826][ T5475] el0t_64_sync_handler+0xcc/0xe4 [ 72.355631][ T5475] el0t_64_sync+0x1a0/0x1a4 [ 72.395239][ T5475] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.401681][ T5475] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.412068][ T5477] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.413275][ T5477] CPU: 1 PID: 5477 Comm: syz.4.34 Not tainted syzkaller #0 [ 72.414416][ T5477] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 72.415983][ T5477] Call trace: [ 72.416514][ T5477] dump_backtrace+0x0/0x458 [ 72.417272][ T5477] show_stack+0x2c/0x3c [ 72.417951][ T5477] __dump_stack+0x30/0x40 [ 72.418616][ T5477] dump_stack_lvl+0xf4/0x15c [ 72.419244][ T5477] dump_stack+0x1c/0x5c [ 72.419872][ T5477] sysfs_create_dir_ns+0x244/0x264 [ 72.420636][ T5477] kobject_add_internal+0x5ac/0xc3c [ 72.421389][ T5477] kobject_init_and_add+0x124/0x190 [ 72.422179][ T5477] gfs2_sys_fs_add+0x200/0x41c [ 72.422965][ T5477] gfs2_fill_super+0xddc/0x1a18 [ 72.423764][ T5477] get_tree_bdev+0x358/0x544 [ 72.424472][ T5477] gfs2_get_tree+0x54/0x1b4 [ 72.425187][ T5477] vfs_get_tree+0x90/0x274 [ 72.425871][ T5477] do_new_mount+0x228/0x810 [ 72.426619][ T5477] path_mount+0x5bc/0x1008 [ 72.427359][ T5477] __arm64_sys_mount+0x514/0x5f0 [ 72.428198][ T5477] invoke_syscall+0x98/0x2b0 [ 72.428887][ T5477] el0_svc_common+0x138/0x258 [ 72.429724][ T5477] do_el0_svc+0x58/0x13c [ 72.430457][ T5477] el0_svc+0x78/0x1d0 [ 72.431127][ T5477] el0t_64_sync_handler+0xcc/0xe4 [ 72.431953][ T5477] el0t_64_sync+0x1a0/0x1a4 [ 72.463487][ T5477] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.465607][ T5477] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.569904][ T5471] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.571132][ T5471] CPU: 0 PID: 5471 Comm: syz.0.31 Not tainted syzkaller #0 [ 72.572259][ T5471] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 72.573789][ T5471] Call trace: [ 72.573794][ T5473] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.575439][ T5471] dump_backtrace+0x0/0x458 [ 72.576108][ T5471] show_stack+0x2c/0x3c [ 72.576741][ T5471] __dump_stack+0x30/0x40 [ 72.577384][ T5471] dump_stack_lvl+0xf4/0x15c [ 72.578105][ T5471] dump_stack+0x1c/0x5c [ 72.578837][ T5471] sysfs_create_dir_ns+0x244/0x264 [ 72.579650][ T5471] kobject_add_internal+0x5ac/0xc3c [ 72.580478][ T5471] kobject_init_and_add+0x124/0x190 [ 72.581318][ T5471] gfs2_sys_fs_add+0x200/0x41c [ 72.582126][ T5471] gfs2_fill_super+0xddc/0x1a18 [ 72.582946][ T5471] get_tree_bdev+0x358/0x544 [ 72.583664][ T5471] gfs2_get_tree+0x54/0x1b4 [ 72.584394][ T5471] vfs_get_tree+0x90/0x274 [ 72.585113][ T5471] do_new_mount+0x228/0x810 [ 72.585807][ T5471] path_mount+0x5bc/0x1008 [ 72.586452][ T5471] __arm64_sys_mount+0x514/0x5f0 [ 72.587238][ T5471] invoke_syscall+0x98/0x2b0 [ 72.587958][ T5471] el0_svc_common+0x138/0x258 [ 72.588647][ T5471] do_el0_svc+0x58/0x13c [ 72.589287][ T5471] el0_svc+0x78/0x1d0 [ 72.589957][ T5471] el0t_64_sync_handler+0xcc/0xe4 [ 72.590678][ T5471] el0t_64_sync+0x1a0/0x1a4 [ 72.595128][ T5473] CPU: 1 PID: 5473 Comm: syz.1.32 Not tainted syzkaller #0 [ 72.596361][ T5473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 72.598034][ T5473] Call trace: [ 72.598597][ T5473] dump_backtrace+0x0/0x458 [ 72.599323][ T5473] show_stack+0x2c/0x3c [ 72.600011][ T5473] __dump_stack+0x30/0x40 [ 72.600777][ T5473] dump_stack_lvl+0xf4/0x15c [ 72.601510][ T5473] dump_stack+0x1c/0x5c [ 72.602257][ T5473] sysfs_create_dir_ns+0x244/0x264 [ 72.603130][ T5473] kobject_add_internal+0x5ac/0xc3c [ 72.603956][ T5473] kobject_init_and_add+0x124/0x190 [ 72.604858][ T5473] gfs2_sys_fs_add+0x200/0x41c [ 72.605616][ T5473] gfs2_fill_super+0xddc/0x1a18 [ 72.606404][ T5473] get_tree_bdev+0x358/0x544 [ 72.607216][ T5473] gfs2_get_tree+0x54/0x1b4 [ 72.607980][ T5473] vfs_get_tree+0x90/0x274 [ 72.608699][ T5473] do_new_mount+0x228/0x810 [ 72.609394][ T5473] path_mount+0x5bc/0x1008 [ 72.610046][ T5473] __arm64_sys_mount+0x514/0x5f0 [ 72.610880][ T5473] invoke_syscall+0x98/0x2b0 [ 72.611623][ T5473] el0_svc_common+0x138/0x258 [ 72.612358][ T5473] do_el0_svc+0x58/0x13c [ 72.613037][ T5473] el0_svc+0x78/0x1d0 [ 72.613708][ T5473] el0t_64_sync_handler+0xcc/0xe4 [ 72.614534][ T5473] el0t_64_sync+0x1a0/0x1a4 [ 72.642397][ T5471] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.651043][ T5471] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.668437][ T5473] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.670406][ T5473] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.715226][ T5475] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.716674][ T5475] CPU: 0 PID: 5475 Comm: syz.3.33 Not tainted syzkaller #0 [ 72.717875][ T5475] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 72.719503][ T5475] Call trace: [ 72.720028][ T5475] dump_backtrace+0x0/0x458 [ 72.720784][ T5475] show_stack+0x2c/0x3c [ 72.721431][ T5475] __dump_stack+0x30/0x40 [ 72.722089][ T5475] dump_stack_lvl+0xf4/0x15c [ 72.722821][ T5475] dump_stack+0x1c/0x5c [ 72.723524][ T5475] sysfs_create_dir_ns+0x244/0x264 [ 72.724358][ T5475] kobject_add_internal+0x5ac/0xc3c [ 72.725284][ T5475] kobject_init_and_add+0x124/0x190 [ 72.726073][ T5475] gfs2_sys_fs_add+0x200/0x41c [ 72.726863][ T5475] gfs2_fill_super+0xddc/0x1a18 [ 72.727644][ T5475] get_tree_bdev+0x358/0x544 [ 72.728399][ T5475] gfs2_get_tree+0x54/0x1b4 [ 72.729204][ T5475] vfs_get_tree+0x90/0x274 [ 72.729959][ T5475] do_new_mount+0x228/0x810 [ 72.730744][ T5475] path_mount+0x5bc/0x1008 [ 72.731487][ T5475] __arm64_sys_mount+0x514/0x5f0 [ 72.732234][ T5475] invoke_syscall+0x98/0x2b0 [ 72.732945][ T5475] el0_svc_common+0x138/0x258 [ 72.733707][ T5475] do_el0_svc+0x58/0x13c [ 72.734416][ T5475] el0_svc+0x78/0x1d0 [ 72.735090][ T5475] el0t_64_sync_handler+0xcc/0xe4 [ 72.735914][ T5475] el0t_64_sync+0x1a0/0x1a4 [ 72.755789][ T5477] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.756928][ T5477] CPU: 1 PID: 5477 Comm: syz.4.34 Not tainted syzkaller #0 [ 72.758011][ T5477] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 72.759623][ T5477] Call trace: [ 72.760155][ T5477] dump_backtrace+0x0/0x458 [ 72.760937][ T5477] show_stack+0x2c/0x3c [ 72.761615][ T5477] __dump_stack+0x30/0x40 [ 72.762257][ T5477] dump_stack_lvl+0xf4/0x15c [ 72.762975][ T5477] dump_stack+0x1c/0x5c [ 72.763652][ T5477] sysfs_create_dir_ns+0x244/0x264 [ 72.764436][ T5477] kobject_add_internal+0x5ac/0xc3c [ 72.765269][ T5477] kobject_init_and_add+0x124/0x190 [ 72.766053][ T5477] gfs2_sys_fs_add+0x200/0x41c [ 72.766745][ T5477] gfs2_fill_super+0xddc/0x1a18 [ 72.767546][ T5477] get_tree_bdev+0x358/0x544 [ 72.768251][ T5477] gfs2_get_tree+0x54/0x1b4 [ 72.769062][ T5477] vfs_get_tree+0x90/0x274 [ 72.769775][ T5477] do_new_mount+0x228/0x810 [ 72.770534][ T5477] path_mount+0x5bc/0x1008 [ 72.771286][ T5477] __arm64_sys_mount+0x514/0x5f0 [ 72.772091][ T5477] invoke_syscall+0x98/0x2b0 [ 72.772887][ T5477] el0_svc_common+0x138/0x258 [ 72.773726][ T5477] do_el0_svc+0x58/0x13c [ 72.774320][ T5477] el0_svc+0x78/0x1d0 [ 72.774911][ T5477] el0t_64_sync_handler+0xcc/0xe4 [ 72.775694][ T5477] el0t_64_sync+0x1a0/0x1a4 [ 72.778449][ T5475] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.780701][ T5475] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.813044][ T5477] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.815371][ T5477] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.044174][ T5510] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.045411][ T5510] CPU: 1 PID: 5510 Comm: syz.0.35 Not tainted syzkaller #0 [ 73.046593][ T5510] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 73.048241][ T5510] Call trace: [ 73.048770][ T5510] dump_backtrace+0x0/0x458 [ 73.049558][ T5510] show_stack+0x2c/0x3c [ 73.050249][ T5510] __dump_stack+0x30/0x40 [ 73.050959][ T5510] dump_stack_lvl+0xf4/0x15c [ 73.051701][ T5510] dump_stack+0x1c/0x5c [ 73.052434][ T5510] sysfs_create_dir_ns+0x244/0x264 [ 73.053259][ T5510] kobject_add_internal+0x5ac/0xc3c [ 73.054164][ T5510] kobject_init_and_add+0x124/0x190 [ 73.055044][ T5510] gfs2_sys_fs_add+0x200/0x41c [ 73.055800][ T5510] gfs2_fill_super+0xddc/0x1a18 [ 73.056551][ T5510] get_tree_bdev+0x358/0x544 [ 73.057293][ T5510] gfs2_get_tree+0x54/0x1b4 [ 73.058015][ T5510] vfs_get_tree+0x90/0x274 [ 73.058607][ T5510] do_new_mount+0x228/0x810 [ 73.059309][ T5510] path_mount+0x5bc/0x1008 [ 73.059976][ T5510] __arm64_sys_mount+0x514/0x5f0 [ 73.060735][ T5510] invoke_syscall+0x98/0x2b0 [ 73.061428][ T5510] el0_svc_common+0x138/0x258 [ 73.062128][ T5510] do_el0_svc+0x58/0x13c [ 73.062781][ T5510] el0_svc+0x78/0x1d0 [ 73.063396][ T5510] el0t_64_sync_handler+0xcc/0xe4 [ 73.064113][ T5510] el0t_64_sync+0x1a0/0x1a4 [ 73.074981][ T5516] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.076159][ T5516] CPU: 0 PID: 5516 Comm: syz.1.36 Not tainted syzkaller #0 [ 73.077246][ T5516] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 73.078828][ T5516] Call trace: [ 73.079446][ T5516] dump_backtrace+0x0/0x458 [ 73.080176][ T5516] show_stack+0x2c/0x3c [ 73.080861][ T5516] __dump_stack+0x30/0x40 [ 73.081527][ T5516] dump_stack_lvl+0xf4/0x15c [ 73.082231][ T5516] dump_stack+0x1c/0x5c [ 73.082874][ T5516] sysfs_create_dir_ns+0x244/0x264 [ 73.083723][ T5516] kobject_add_internal+0x5ac/0xc3c [ 73.084576][ T5516] kobject_init_and_add+0x124/0x190 [ 73.085408][ T5516] gfs2_sys_fs_add+0x200/0x41c [ 73.086215][ T5516] gfs2_fill_super+0xddc/0x1a18 [ 73.086977][ T5516] get_tree_bdev+0x358/0x544 [ 73.087829][ T5516] gfs2_get_tree+0x54/0x1b4 [ 73.088336][ T5510] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.088482][ T5516] vfs_get_tree+0x90/0x274 [ 73.090674][ T5510] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.091276][ T5516] do_new_mount+0x228/0x810 [ 73.093009][ T5516] path_mount+0x5bc/0x1008 [ 73.093683][ T5516] __arm64_sys_mount+0x514/0x5f0 [ 73.094436][ T5516] invoke_syscall+0x98/0x2b0 [ 73.095138][ T5516] el0_svc_common+0x138/0x258 [ 73.095944][ T5516] do_el0_svc+0x58/0x13c [ 73.096687][ T5516] el0_svc+0x78/0x1d0 [ 73.097389][ T5516] el0t_64_sync_handler+0xcc/0xe4 [ 73.098224][ T5516] el0t_64_sync+0x1a0/0x1a4 [ 73.115344][ T5516] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.117499][ T5516] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.151742][ T5522] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.153032][ T5522] CPU: 0 PID: 5522 Comm: syz.3.37 Not tainted syzkaller #0 [ 73.154151][ T5522] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 73.155636][ T5522] Call trace: [ 73.156138][ T5522] dump_backtrace+0x0/0x458 [ 73.156856][ T5522] show_stack+0x2c/0x3c [ 73.157560][ T5522] __dump_stack+0x30/0x40 [ 73.158272][ T5522] dump_stack_lvl+0xf4/0x15c [ 73.158978][ T5522] dump_stack+0x1c/0x5c [ 73.159660][ T5522] sysfs_create_dir_ns+0x244/0x264 [ 73.160440][ T5522] kobject_add_internal+0x5ac/0xc3c [ 73.161259][ T5522] kobject_init_and_add+0x124/0x190 [ 73.162123][ T5522] gfs2_sys_fs_add+0x200/0x41c [ 73.162827][ T5522] gfs2_fill_super+0xddc/0x1a18 [ 73.163574][ T5522] get_tree_bdev+0x358/0x544 [ 73.164291][ T5522] gfs2_get_tree+0x54/0x1b4 [ 73.165007][ T5522] vfs_get_tree+0x90/0x274 [ 73.165697][ T5522] do_new_mount+0x228/0x810 [ 73.166384][ T5522] path_mount+0x5bc/0x1008 [ 73.167098][ T5522] __arm64_sys_mount+0x514/0x5f0 [ 73.167926][ T5522] invoke_syscall+0x98/0x2b0 [ 73.168652][ T5522] el0_svc_common+0x138/0x258 [ 73.169335][ T5522] do_el0_svc+0x58/0x13c [ 73.169957][ T5522] el0_svc+0x78/0x1d0 [ 73.170555][ T5522] el0t_64_sync_handler+0xcc/0xe4 [ 73.171341][ T5522] el0t_64_sync+0x1a0/0x1a4 [ 73.174763][ T5526] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.175898][ T5526] CPU: 1 PID: 5526 Comm: syz.4.38 Not tainted syzkaller #0 [ 73.177040][ T5526] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 73.178577][ T5526] Call trace: [ 73.179062][ T5526] dump_backtrace+0x0/0x458 [ 73.179790][ T5526] show_stack+0x2c/0x3c [ 73.180407][ T5526] __dump_stack+0x30/0x40 [ 73.181054][ T5526] dump_stack_lvl+0xf4/0x15c [ 73.181779][ T5526] dump_stack+0x1c/0x5c [ 73.182416][ T5526] sysfs_create_dir_ns+0x244/0x264 [ 73.183223][ T5526] kobject_add_internal+0x5ac/0xc3c [ 73.183986][ T5526] kobject_init_and_add+0x124/0x190 [ 73.184766][ T5526] gfs2_sys_fs_add+0x200/0x41c [ 73.185464][ T5526] gfs2_fill_super+0xddc/0x1a18 [ 73.186208][ T5526] get_tree_bdev+0x358/0x544 [ 73.186926][ T5526] gfs2_get_tree+0x54/0x1b4 [ 73.187646][ T5526] vfs_get_tree+0x90/0x274 [ 73.188388][ T5526] do_new_mount+0x228/0x810 [ 73.189036][ T5526] path_mount+0x5bc/0x1008 [ 73.189760][ T5526] __arm64_sys_mount+0x514/0x5f0 [ 73.190545][ T5526] invoke_syscall+0x98/0x2b0 [ 73.191301][ T5526] el0_svc_common+0x138/0x258 [ 73.192068][ T5526] do_el0_svc+0x58/0x13c [ 73.192565][ T5522] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.192784][ T5526] el0_svc+0x78/0x1d0 [ 73.194860][ T5522] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.195413][ T5526] el0t_64_sync_handler+0xcc/0xe4 [ 73.197126][ T5526] el0t_64_sync+0x1a0/0x1a4 [ 73.249473][ T5526] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.251598][ T5526] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.446430][ T5516] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.447720][ T5516] CPU: 0 PID: 5516 Comm: syz.1.36 Not tainted syzkaller #0 [ 73.448898][ T5516] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 73.450494][ T5516] Call trace: [ 73.451030][ T5516] dump_backtrace+0x0/0x458 [ 73.451784][ T5516] show_stack+0x2c/0x3c [ 73.452486][ T5516] __dump_stack+0x30/0x40 [ 73.453166][ T5516] dump_stack_lvl+0xf4/0x15c [ 73.453880][ T5516] dump_stack+0x1c/0x5c [ 73.454512][ T5516] sysfs_create_dir_ns+0x244/0x264 [ 73.455390][ T5516] kobject_add_internal+0x5ac/0xc3c [ 73.456189][ T5516] kobject_init_and_add+0x124/0x190 [ 73.456392][ T5510] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.457026][ T5516] gfs2_sys_fs_add+0x200/0x41c [ 73.459016][ T5516] gfs2_fill_super+0xddc/0x1a18 [ 73.459748][ T5516] get_tree_bdev+0x358/0x544 [ 73.460461][ T5516] gfs2_get_tree+0x54/0x1b4 [ 73.461136][ T5516] vfs_get_tree+0x90/0x274 [ 73.461837][ T5516] do_new_mount+0x228/0x810 [ 73.462599][ T5516] path_mount+0x5bc/0x1008 [ 73.463387][ T5516] __arm64_sys_mount+0x514/0x5f0 [ 73.464199][ T5516] invoke_syscall+0x98/0x2b0 [ 73.464985][ T5516] el0_svc_common+0x138/0x258 [ 73.465784][ T5516] do_el0_svc+0x58/0x13c [ 73.466436][ T5516] el0_svc+0x78/0x1d0 [ 73.467042][ T5516] el0t_64_sync_handler+0xcc/0xe4 [ 73.467837][ T5516] el0t_64_sync+0x1a0/0x1a4 [ 73.480286][ T5510] CPU: 1 PID: 5510 Comm: syz.0.35 Not tainted syzkaller #0 [ 73.481479][ T5510] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 73.483012][ T5510] Call trace: [ 73.483554][ T5510] dump_backtrace+0x0/0x458 [ 73.484323][ T5510] show_stack+0x2c/0x3c [ 73.485019][ T5510] __dump_stack+0x30/0x40 [ 73.485761][ T5510] dump_stack_lvl+0xf4/0x15c [ 73.486428][ T5516] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.486492][ T5510] dump_stack+0x1c/0x5c [ 73.488715][ T5516] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.489361][ T5510] sysfs_create_dir_ns+0x244/0x264 [ 73.491176][ T5510] kobject_add_internal+0x5ac/0xc3c [ 73.491998][ T5510] kobject_init_and_add+0x124/0x190 [ 73.492517][ T5522] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.492799][ T5510] gfs2_sys_fs_add+0x200/0x41c [ 73.494730][ T5510] gfs2_fill_super+0xddc/0x1a18 [ 73.495466][ T5510] get_tree_bdev+0x358/0x544 [ 73.496149][ T5510] gfs2_get_tree+0x54/0x1b4 [ 73.496848][ T5510] vfs_get_tree+0x90/0x274 [ 73.497610][ T5510] do_new_mount+0x228/0x810 [ 73.498375][ T5510] path_mount+0x5bc/0x1008 [ 73.499029][ T5510] __arm64_sys_mount+0x514/0x5f0 [ 73.499829][ T5510] invoke_syscall+0x98/0x2b0 [ 73.500540][ T5510] el0_svc_common+0x138/0x258 [ 73.501348][ T5510] do_el0_svc+0x58/0x13c [ 73.502094][ T5510] el0_svc+0x78/0x1d0 [ 73.502789][ T5510] el0t_64_sync_handler+0xcc/0xe4 [ 73.503632][ T5510] el0t_64_sync+0x1a0/0x1a4 [ 73.512907][ T5522] CPU: 0 PID: 5522 Comm: syz.3.37 Not tainted syzkaller #0 [ 73.514082][ T5522] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 73.515618][ T5522] Call trace: [ 73.516108][ T5522] dump_backtrace+0x0/0x458 [ 73.516777][ T5522] show_stack+0x2c/0x3c [ 73.517460][ T5522] __dump_stack+0x30/0x40 [ 73.518175][ T5522] dump_stack_lvl+0xf4/0x15c [ 73.518876][ T5522] dump_stack+0x1c/0x5c [ 73.519550][ T5522] sysfs_create_dir_ns+0x244/0x264 [ 73.520355][ T5522] kobject_add_internal+0x5ac/0xc3c [ 73.521192][ T5522] kobject_init_and_add+0x124/0x190 [ 73.522032][ T5522] gfs2_sys_fs_add+0x200/0x41c [ 73.522827][ T5522] gfs2_fill_super+0xddc/0x1a18 [ 73.523598][ T5522] get_tree_bdev+0x358/0x544 [ 73.524334][ T5522] gfs2_get_tree+0x54/0x1b4 [ 73.525061][ T5522] vfs_get_tree+0x90/0x274 [ 73.525770][ T5522] do_new_mount+0x228/0x810 [ 73.526519][ T5522] path_mount+0x5bc/0x1008 [ 73.527239][ T5522] __arm64_sys_mount+0x514/0x5f0 [ 73.528110][ T5522] invoke_syscall+0x98/0x2b0 [ 73.528875][ T5522] el0_svc_common+0x138/0x258 [ 73.529603][ T5522] do_el0_svc+0x58/0x13c [ 73.530341][ T5522] el0_svc+0x78/0x1d0 [ 73.531037][ T5522] el0t_64_sync_handler+0xcc/0xe4 [ 73.531902][ T5522] el0t_64_sync+0x1a0/0x1a4 [ 73.533200][ T5510] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.537834][ T5510] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:01:13 executed programs: 34 [ 73.596050][ T5522] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.598004][ T5522] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.602474][ T5526] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.614921][ T5526] CPU: 1 PID: 5526 Comm: syz.4.38 Not tainted syzkaller #0 [ 73.616046][ T5526] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 73.617642][ T5526] Call trace: [ 73.618172][ T5526] dump_backtrace+0x0/0x458 [ 73.618895][ T5526] show_stack+0x2c/0x3c [ 73.619582][ T5526] __dump_stack+0x30/0x40 [ 73.620257][ T5526] dump_stack_lvl+0xf4/0x15c [ 73.621065][ T5526] dump_stack+0x1c/0x5c [ 73.621721][ T5526] sysfs_create_dir_ns+0x244/0x264 [ 73.622574][ T5526] kobject_add_internal+0x5ac/0xc3c [ 73.623383][ T5526] kobject_init_and_add+0x124/0x190 [ 73.624190][ T5526] gfs2_sys_fs_add+0x200/0x41c [ 73.624920][ T5526] gfs2_fill_super+0xddc/0x1a18 [ 73.625781][ T5526] get_tree_bdev+0x358/0x544 [ 73.626570][ T5526] gfs2_get_tree+0x54/0x1b4 [ 73.627313][ T5526] vfs_get_tree+0x90/0x274 [ 73.628087][ T5526] do_new_mount+0x228/0x810 [ 73.628810][ T5526] path_mount+0x5bc/0x1008 [ 73.629518][ T5526] __arm64_sys_mount+0x514/0x5f0 [ 73.630262][ T5526] invoke_syscall+0x98/0x2b0 [ 73.630988][ T5526] el0_svc_common+0x138/0x258 [ 73.631730][ T5526] do_el0_svc+0x58/0x13c [ 73.632373][ T5526] el0_svc+0x78/0x1d0 [ 73.632957][ T5526] el0t_64_sync_handler+0xcc/0xe4 [ 73.633660][ T5526] el0t_64_sync+0x1a0/0x1a4 [ 73.697073][ T5526] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.699240][ T5526] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.876976][ T5564] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.878312][ T5564] CPU: 0 PID: 5564 Comm: syz.0.40 Not tainted syzkaller #0 [ 73.879496][ T5564] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 73.881207][ T5564] Call trace: [ 73.881718][ T5564] dump_backtrace+0x0/0x458 [ 73.882482][ T5564] show_stack+0x2c/0x3c [ 73.883248][ T5564] __dump_stack+0x30/0x40 [ 73.883967][ T5564] dump_stack_lvl+0xf4/0x15c [ 73.884668][ T5564] dump_stack+0x1c/0x5c [ 73.885307][ T5564] sysfs_create_dir_ns+0x244/0x264 [ 73.886131][ T5564] kobject_add_internal+0x5ac/0xc3c [ 73.886912][ T5564] kobject_init_and_add+0x124/0x190 [ 73.887657][ T5564] gfs2_sys_fs_add+0x200/0x41c [ 73.888400][ T5564] gfs2_fill_super+0xddc/0x1a18 [ 73.889138][ T5564] get_tree_bdev+0x358/0x544 [ 73.889916][ T5564] gfs2_get_tree+0x54/0x1b4 [ 73.890655][ T5564] vfs_get_tree+0x90/0x274 [ 73.891388][ T5564] do_new_mount+0x228/0x810 [ 73.892039][ T5564] path_mount+0x5bc/0x1008 [ 73.892825][ T5564] __arm64_sys_mount+0x514/0x5f0 [ 73.893672][ T5564] invoke_syscall+0x98/0x2b0 [ 73.894385][ T5564] el0_svc_common+0x138/0x258 [ 73.895158][ T5564] do_el0_svc+0x58/0x13c [ 73.895821][ T5564] el0_svc+0x78/0x1d0 [ 73.896429][ T5564] el0t_64_sync_handler+0xcc/0xe4 [ 73.897190][ T5564] el0t_64_sync+0x1a0/0x1a4 [ 73.900428][ T5561] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.900922][ T5569] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.901669][ T5561] CPU: 1 PID: 5561 Comm: syz.1.39 Not tainted syzkaller #0 [ 73.903866][ T5561] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 73.905440][ T5561] Call trace: [ 73.905992][ T5561] dump_backtrace+0x0/0x458 [ 73.906748][ T5561] show_stack+0x2c/0x3c [ 73.907411][ T5561] __dump_stack+0x30/0x40 [ 73.908145][ T5561] dump_stack_lvl+0xf4/0x15c [ 73.908984][ T5561] dump_stack+0x1c/0x5c [ 73.909672][ T5561] sysfs_create_dir_ns+0x244/0x264 [ 73.910619][ T5561] kobject_add_internal+0x5ac/0xc3c [ 73.911487][ T5561] kobject_init_and_add+0x124/0x190 [ 73.912317][ T5561] gfs2_sys_fs_add+0x200/0x41c [ 73.913133][ T5561] gfs2_fill_super+0xddc/0x1a18 [ 73.913911][ T5561] get_tree_bdev+0x358/0x544 [ 73.914653][ T5561] gfs2_get_tree+0x54/0x1b4 [ 73.915372][ T5561] vfs_get_tree+0x90/0x274 [ 73.916049][ T5561] do_new_mount+0x228/0x810 [ 73.916781][ T5561] path_mount+0x5bc/0x1008 [ 73.917500][ T5561] __arm64_sys_mount+0x514/0x5f0 [ 73.918250][ T5561] invoke_syscall+0x98/0x2b0 [ 73.919029][ T5561] el0_svc_common+0x138/0x258 [ 73.919819][ T5561] do_el0_svc+0x58/0x13c [ 73.920581][ T5561] el0_svc+0x78/0x1d0 [ 73.921161][ T5561] el0t_64_sync_handler+0xcc/0xe4 [ 73.921916][ T5561] el0t_64_sync+0x1a0/0x1a4 [ 73.922668][ T5569] CPU: 0 PID: 5569 Comm: syz.3.41 Not tainted syzkaller #0 [ 73.923804][ T5569] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 73.925314][ T5569] Call trace: [ 73.925780][ T5569] dump_backtrace+0x0/0x458 [ 73.926571][ T5569] show_stack+0x2c/0x3c [ 73.927279][ T5569] __dump_stack+0x30/0x40 [ 73.927988][ T5569] dump_stack_lvl+0xf4/0x15c [ 73.928748][ T5569] dump_stack+0x1c/0x5c [ 73.929427][ T5569] sysfs_create_dir_ns+0x244/0x264 [ 73.930229][ T5569] kobject_add_internal+0x5ac/0xc3c [ 73.931101][ T5569] kobject_init_and_add+0x124/0x190 [ 73.931898][ T5569] gfs2_sys_fs_add+0x200/0x41c [ 73.932617][ T5569] gfs2_fill_super+0xddc/0x1a18 [ 73.933368][ T5569] get_tree_bdev+0x358/0x544 [ 73.934125][ T5569] gfs2_get_tree+0x54/0x1b4 [ 73.934815][ T5569] vfs_get_tree+0x90/0x274 [ 73.935538][ T5569] do_new_mount+0x228/0x810 [ 73.936249][ T5569] path_mount+0x5bc/0x1008 [ 73.937050][ T5569] __arm64_sys_mount+0x514/0x5f0 [ 73.937950][ T5569] invoke_syscall+0x98/0x2b0 [ 73.938667][ T5569] el0_svc_common+0x138/0x258 [ 73.939441][ T5569] do_el0_svc+0x58/0x13c [ 73.940080][ T5569] el0_svc+0x78/0x1d0 [ 73.940716][ T5569] el0t_64_sync_handler+0xcc/0xe4 [ 73.941554][ T5569] el0t_64_sync+0x1a0/0x1a4 [ 73.963199][ T5564] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.967007][ T5564] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.980822][ T5561] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.982807][ T5561] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.007915][ T5569] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.009855][ T5569] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.056686][ T5574] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.057996][ T5574] CPU: 1 PID: 5574 Comm: syz.4.42 Not tainted syzkaller #0 [ 74.059181][ T5574] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.060950][ T5574] Call trace: [ 74.061455][ T5574] dump_backtrace+0x0/0x458 [ 74.062150][ T5574] show_stack+0x2c/0x3c [ 74.062821][ T5574] __dump_stack+0x30/0x40 [ 74.063535][ T5574] dump_stack_lvl+0xf4/0x15c [ 74.064366][ T5574] dump_stack+0x1c/0x5c [ 74.065077][ T5574] sysfs_create_dir_ns+0x244/0x264 [ 74.065873][ T5574] kobject_add_internal+0x5ac/0xc3c [ 74.066670][ T5574] kobject_init_and_add+0x124/0x190 [ 74.067468][ T5574] gfs2_sys_fs_add+0x200/0x41c [ 74.068173][ T5574] gfs2_fill_super+0xddc/0x1a18 [ 74.068935][ T5574] get_tree_bdev+0x358/0x544 [ 74.069641][ T5574] gfs2_get_tree+0x54/0x1b4 [ 74.070324][ T5574] vfs_get_tree+0x90/0x274 [ 74.070992][ T5574] do_new_mount+0x228/0x810 [ 74.071656][ T5574] path_mount+0x5bc/0x1008 [ 74.072310][ T5574] __arm64_sys_mount+0x514/0x5f0 [ 74.073106][ T5574] invoke_syscall+0x98/0x2b0 [ 74.073873][ T5574] el0_svc_common+0x138/0x258 [ 74.074676][ T5574] do_el0_svc+0x58/0x13c [ 74.075385][ T5574] el0_svc+0x78/0x1d0 [ 74.076068][ T5574] el0t_64_sync_handler+0xcc/0xe4 [ 74.076846][ T5574] el0t_64_sync+0x1a0/0x1a4 [ 74.116780][ T5574] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.118838][ T5574] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.185024][ T5561] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.186170][ T5561] CPU: 1 PID: 5561 Comm: syz.1.39 Not tainted syzkaller #0 [ 74.187393][ T5561] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.189128][ T5561] Call trace: [ 74.189653][ T5561] dump_backtrace+0x0/0x458 [ 74.190382][ T5561] show_stack+0x2c/0x3c [ 74.191046][ T5561] __dump_stack+0x30/0x40 [ 74.191765][ T5561] dump_stack_lvl+0xf4/0x15c [ 74.192406][ T5561] dump_stack+0x1c/0x5c [ 74.193146][ T5561] sysfs_create_dir_ns+0x244/0x264 [ 74.193954][ T5561] kobject_add_internal+0x5ac/0xc3c [ 74.194754][ T5561] kobject_init_and_add+0x124/0x190 [ 74.195496][ T5561] gfs2_sys_fs_add+0x200/0x41c [ 74.196248][ T5561] gfs2_fill_super+0xddc/0x1a18 [ 74.197028][ T5561] get_tree_bdev+0x358/0x544 [ 74.197793][ T5561] gfs2_get_tree+0x54/0x1b4 [ 74.198516][ T5561] vfs_get_tree+0x90/0x274 [ 74.199237][ T5561] do_new_mount+0x228/0x810 [ 74.199980][ T5561] path_mount+0x5bc/0x1008 [ 74.200671][ T5561] __arm64_sys_mount+0x514/0x5f0 [ 74.201471][ T5561] invoke_syscall+0x98/0x2b0 [ 74.202281][ T5561] el0_svc_common+0x138/0x258 [ 74.203075][ T5561] do_el0_svc+0x58/0x13c [ 74.203730][ T5561] el0_svc+0x78/0x1d0 [ 74.204363][ T5561] el0t_64_sync_handler+0xcc/0xe4 [ 74.205146][ T5561] el0t_64_sync+0x1a0/0x1a4 [ 74.229926][ T5561] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.231968][ T5561] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.255718][ T5564] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.257016][ T5564] CPU: 0 PID: 5564 Comm: syz.0.40 Not tainted syzkaller #0 [ 74.258150][ T5564] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.259641][ T5564] Call trace: [ 74.260189][ T5564] dump_backtrace+0x0/0x458 [ 74.260928][ T5564] show_stack+0x2c/0x3c [ 74.261590][ T5564] __dump_stack+0x30/0x40 [ 74.262328][ T5564] dump_stack_lvl+0xf4/0x15c [ 74.263086][ T5564] dump_stack+0x1c/0x5c [ 74.263748][ T5564] sysfs_create_dir_ns+0x244/0x264 [ 74.264534][ T5564] kobject_add_internal+0x5ac/0xc3c [ 74.265283][ T5564] kobject_init_and_add+0x124/0x190 [ 74.266074][ T5564] gfs2_sys_fs_add+0x200/0x41c [ 74.266750][ T5564] gfs2_fill_super+0xddc/0x1a18 [ 74.267494][ T5564] get_tree_bdev+0x358/0x544 [ 74.268179][ T5564] gfs2_get_tree+0x54/0x1b4 [ 74.268975][ T5564] vfs_get_tree+0x90/0x274 [ 74.269705][ T5564] do_new_mount+0x228/0x810 [ 74.270465][ T5564] path_mount+0x5bc/0x1008 [ 74.271221][ T5564] __arm64_sys_mount+0x514/0x5f0 [ 74.272030][ T5564] invoke_syscall+0x98/0x2b0 [ 74.272755][ T5564] el0_svc_common+0x138/0x258 [ 74.273456][ T5564] do_el0_svc+0x58/0x13c [ 74.274080][ T5564] el0_svc+0x78/0x1d0 [ 74.274658][ T5564] el0t_64_sync_handler+0xcc/0xe4 [ 74.275455][ T5564] el0t_64_sync+0x1a0/0x1a4 [ 74.277967][ T5569] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.279195][ T5569] CPU: 0 PID: 5569 Comm: syz.3.41 Not tainted syzkaller #0 [ 74.280400][ T5569] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.282067][ T5569] Call trace: [ 74.282559][ T5569] dump_backtrace+0x0/0x458 [ 74.283240][ T5569] show_stack+0x2c/0x3c [ 74.283911][ T5569] __dump_stack+0x30/0x40 [ 74.284648][ T5569] dump_stack_lvl+0xf4/0x15c [ 74.285348][ T5569] dump_stack+0x1c/0x5c [ 74.285941][ T5569] sysfs_create_dir_ns+0x244/0x264 [ 74.286679][ T5569] kobject_add_internal+0x5ac/0xc3c [ 74.287530][ T5569] kobject_init_and_add+0x124/0x190 [ 74.288437][ T5569] gfs2_sys_fs_add+0x200/0x41c [ 74.289246][ T5569] gfs2_fill_super+0xddc/0x1a18 [ 74.290007][ T5569] get_tree_bdev+0x358/0x544 [ 74.290739][ T5569] gfs2_get_tree+0x54/0x1b4 [ 74.291444][ T5569] vfs_get_tree+0x90/0x274 [ 74.292177][ T5569] do_new_mount+0x228/0x810 [ 74.292989][ T5569] path_mount+0x5bc/0x1008 [ 74.293700][ T5569] __arm64_sys_mount+0x514/0x5f0 [ 74.294509][ T5569] invoke_syscall+0x98/0x2b0 [ 74.295209][ T5569] el0_svc_common+0x138/0x258 [ 74.295897][ T5569] do_el0_svc+0x58/0x13c [ 74.296584][ T5569] el0_svc+0x78/0x1d0 [ 74.297212][ T5569] el0t_64_sync_handler+0xcc/0xe4 [ 74.298025][ T5569] el0t_64_sync+0x1a0/0x1a4 [ 74.319116][ T5564] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.321075][ T5564] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.329243][ T5569] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.331522][ T5569] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.355188][ T5574] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.356419][ T5574] CPU: 0 PID: 5574 Comm: syz.4.42 Not tainted syzkaller #0 [ 74.357556][ T5574] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.359229][ T5574] Call trace: [ 74.359736][ T5574] dump_backtrace+0x0/0x458 [ 74.360444][ T5574] show_stack+0x2c/0x3c [ 74.361073][ T5574] __dump_stack+0x30/0x40 [ 74.361748][ T5574] dump_stack_lvl+0xf4/0x15c [ 74.362452][ T5574] dump_stack+0x1c/0x5c [ 74.363143][ T5574] sysfs_create_dir_ns+0x244/0x264 [ 74.364018][ T5574] kobject_add_internal+0x5ac/0xc3c [ 74.364822][ T5574] kobject_init_and_add+0x124/0x190 [ 74.365631][ T5574] gfs2_sys_fs_add+0x200/0x41c [ 74.366508][ T5574] gfs2_fill_super+0xddc/0x1a18 [ 74.367332][ T5574] get_tree_bdev+0x358/0x544 [ 74.368062][ T5574] gfs2_get_tree+0x54/0x1b4 [ 74.368810][ T5574] vfs_get_tree+0x90/0x274 [ 74.369535][ T5574] do_new_mount+0x228/0x810 [ 74.370242][ T5574] path_mount+0x5bc/0x1008 [ 74.370897][ T5574] __arm64_sys_mount+0x514/0x5f0 [ 74.371639][ T5574] invoke_syscall+0x98/0x2b0 [ 74.372342][ T5574] el0_svc_common+0x138/0x258 [ 74.373059][ T5574] do_el0_svc+0x58/0x13c [ 74.373739][ T5574] el0_svc+0x78/0x1d0 [ 74.374337][ T5574] el0t_64_sync_handler+0xcc/0xe4 [ 74.375135][ T5574] el0t_64_sync+0x1a0/0x1a4 [ 74.406848][ T5574] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.409052][ T5574] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.473507][ T5576] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.475120][ T5576] CPU: 1 PID: 5576 Comm: syz.1.43 Not tainted syzkaller #0 [ 74.476217][ T5576] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.477833][ T5576] Call trace: [ 74.478387][ T5576] dump_backtrace+0x0/0x458 [ 74.479067][ T5576] show_stack+0x2c/0x3c [ 74.479731][ T5576] __dump_stack+0x30/0x40 [ 74.480425][ T5576] dump_stack_lvl+0xf4/0x15c [ 74.481240][ T5576] dump_stack+0x1c/0x5c [ 74.482024][ T5576] sysfs_create_dir_ns+0x244/0x264 [ 74.482945][ T5576] kobject_add_internal+0x5ac/0xc3c [ 74.483785][ T5576] kobject_init_and_add+0x124/0x190 [ 74.484641][ T5576] gfs2_sys_fs_add+0x200/0x41c [ 74.485418][ T5576] gfs2_fill_super+0xddc/0x1a18 [ 74.486180][ T5576] get_tree_bdev+0x358/0x544 [ 74.487015][ T5576] gfs2_get_tree+0x54/0x1b4 [ 74.487778][ T5576] vfs_get_tree+0x90/0x274 [ 74.488484][ T5576] do_new_mount+0x228/0x810 [ 74.489224][ T5576] path_mount+0x5bc/0x1008 [ 74.489955][ T5576] __arm64_sys_mount+0x514/0x5f0 [ 74.490761][ T5576] invoke_syscall+0x98/0x2b0 [ 74.491517][ T5576] el0_svc_common+0x138/0x258 [ 74.492292][ T5576] do_el0_svc+0x58/0x13c [ 74.492980][ T5576] el0_svc+0x78/0x1d0 [ 74.493572][ T5576] el0t_64_sync_handler+0xcc/0xe4 [ 74.494388][ T5576] el0t_64_sync+0x1a0/0x1a4 [ 74.525755][ T5576] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.528023][ T5576] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.606470][ T5579] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.607708][ T5579] CPU: 0 PID: 5579 Comm: syz.0.44 Not tainted syzkaller #0 [ 74.608843][ T5579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.610303][ T5579] Call trace: [ 74.610761][ T5579] dump_backtrace+0x0/0x458 [ 74.611446][ T5579] show_stack+0x2c/0x3c [ 74.612105][ T5579] __dump_stack+0x30/0x40 [ 74.612795][ T5579] dump_stack_lvl+0xf4/0x15c [ 74.613465][ T5579] dump_stack+0x1c/0x5c [ 74.614104][ T5579] sysfs_create_dir_ns+0x244/0x264 [ 74.614844][ T5579] kobject_add_internal+0x5ac/0xc3c [ 74.615654][ T5579] kobject_init_and_add+0x124/0x190 [ 74.616527][ T5579] gfs2_sys_fs_add+0x200/0x41c [ 74.617289][ T5579] gfs2_fill_super+0xddc/0x1a18 [ 74.618137][ T5579] get_tree_bdev+0x358/0x544 [ 74.618924][ T5579] gfs2_get_tree+0x54/0x1b4 [ 74.619631][ T5579] vfs_get_tree+0x90/0x274 [ 74.620307][ T5579] do_new_mount+0x228/0x810 [ 74.621056][ T5579] path_mount+0x5bc/0x1008 [ 74.621743][ T5579] __arm64_sys_mount+0x514/0x5f0 [ 74.622410][ T5579] invoke_syscall+0x98/0x2b0 [ 74.623086][ T5579] el0_svc_common+0x138/0x258 [ 74.623774][ T5579] do_el0_svc+0x58/0x13c [ 74.624432][ T5579] el0_svc+0x78/0x1d0 [ 74.625058][ T5579] el0t_64_sync_handler+0xcc/0xe4 [ 74.625890][ T5579] el0t_64_sync+0x1a0/0x1a4 [ 74.643734][ T5579] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.645874][ T5579] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.687153][ T5580] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.688468][ T5580] CPU: 0 PID: 5580 Comm: syz.3.45 Not tainted syzkaller #0 [ 74.689636][ T5580] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.691062][ T5580] Call trace: [ 74.691489][ T5580] dump_backtrace+0x0/0x458 [ 74.692231][ T5580] show_stack+0x2c/0x3c [ 74.692844][ T5580] __dump_stack+0x30/0x40 [ 74.693584][ T5580] dump_stack_lvl+0xf4/0x15c [ 74.694341][ T5580] dump_stack+0x1c/0x5c [ 74.695050][ T5580] sysfs_create_dir_ns+0x244/0x264 [ 74.695861][ T5580] kobject_add_internal+0x5ac/0xc3c [ 74.696723][ T5580] kobject_init_and_add+0x124/0x190 [ 74.697518][ T5580] gfs2_sys_fs_add+0x200/0x41c [ 74.698272][ T5580] gfs2_fill_super+0xddc/0x1a18 [ 74.699116][ T5580] get_tree_bdev+0x358/0x544 [ 74.699916][ T5580] gfs2_get_tree+0x54/0x1b4 [ 74.700709][ T5580] vfs_get_tree+0x90/0x274 [ 74.701383][ T5580] do_new_mount+0x228/0x810 [ 74.702093][ T5580] path_mount+0x5bc/0x1008 [ 74.702785][ T5580] __arm64_sys_mount+0x514/0x5f0 [ 74.703504][ T5580] invoke_syscall+0x98/0x2b0 [ 74.704202][ T5580] el0_svc_common+0x138/0x258 [ 74.704928][ T5580] do_el0_svc+0x58/0x13c [ 74.705625][ T5580] el0_svc+0x78/0x1d0 [ 74.706280][ T5580] el0t_64_sync_handler+0xcc/0xe4 [ 74.707173][ T5580] el0t_64_sync+0x1a0/0x1a4 [ 74.716020][ T5582] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.717308][ T5582] CPU: 1 PID: 5582 Comm: syz.4.46 Not tainted syzkaller #0 [ 74.718407][ T5582] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.720021][ T5582] Call trace: [ 74.720539][ T5582] dump_backtrace+0x0/0x458 [ 74.721220][ T5582] show_stack+0x2c/0x3c [ 74.721919][ T5582] __dump_stack+0x30/0x40 [ 74.722645][ T5582] dump_stack_lvl+0xf4/0x15c [ 74.723382][ T5582] dump_stack+0x1c/0x5c [ 74.724008][ T5582] sysfs_create_dir_ns+0x244/0x264 [ 74.724791][ T5582] kobject_add_internal+0x5ac/0xc3c [ 74.725592][ T5582] kobject_init_and_add+0x124/0x190 [ 74.726408][ T5582] gfs2_sys_fs_add+0x200/0x41c [ 74.727135][ T5582] gfs2_fill_super+0xddc/0x1a18 [ 74.727951][ T5582] get_tree_bdev+0x358/0x544 [ 74.728700][ T5582] gfs2_get_tree+0x54/0x1b4 [ 74.729444][ T5582] vfs_get_tree+0x90/0x274 [ 74.730129][ T5582] do_new_mount+0x228/0x810 [ 74.730808][ T5582] path_mount+0x5bc/0x1008 [ 74.731480][ T5582] __arm64_sys_mount+0x514/0x5f0 [ 74.732192][ T5582] invoke_syscall+0x98/0x2b0 [ 74.732873][ T5582] el0_svc_common+0x138/0x258 [ 74.733568][ T5582] do_el0_svc+0x58/0x13c [ 74.734178][ T5582] el0_svc+0x78/0x1d0 [ 74.734795][ T5582] el0t_64_sync_handler+0xcc/0xe4 [ 74.735580][ T5582] el0t_64_sync+0x1a0/0x1a4 [ 74.741265][ T5580] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.743440][ T5580] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.759887][ T5576] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.761091][ T5576] CPU: 1 PID: 5576 Comm: syz.1.43 Not tainted syzkaller #0 [ 74.762242][ T5576] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.763986][ T5576] Call trace: [ 74.764484][ T5576] dump_backtrace+0x0/0x458 [ 74.765158][ T5576] show_stack+0x2c/0x3c [ 74.765791][ T5576] __dump_stack+0x30/0x40 [ 74.766478][ T5576] dump_stack_lvl+0xf4/0x15c [ 74.767245][ T5576] dump_stack+0x1c/0x5c [ 74.767896][ T5576] sysfs_create_dir_ns+0x244/0x264 [ 74.768664][ T5576] kobject_add_internal+0x5ac/0xc3c [ 74.769375][ T5576] kobject_init_and_add+0x124/0x190 [ 74.770068][ T5576] gfs2_sys_fs_add+0x200/0x41c [ 74.770769][ T5576] gfs2_fill_super+0xddc/0x1a18 [ 74.771513][ T5576] get_tree_bdev+0x358/0x544 [ 74.772189][ T5576] gfs2_get_tree+0x54/0x1b4 [ 74.772896][ T5576] vfs_get_tree+0x90/0x274 [ 74.773608][ T5576] do_new_mount+0x228/0x810 [ 74.774349][ T5576] path_mount+0x5bc/0x1008 [ 74.775072][ T5576] __arm64_sys_mount+0x514/0x5f0 [ 74.775795][ T5576] invoke_syscall+0x98/0x2b0 [ 74.776507][ T5576] el0_svc_common+0x138/0x258 [ 74.777209][ T5576] do_el0_svc+0x58/0x13c [ 74.777873][ T5576] el0_svc+0x78/0x1d0 [ 74.778553][ T5576] el0t_64_sync_handler+0xcc/0xe4 [ 74.779344][ T5576] el0t_64_sync+0x1a0/0x1a4 [ 74.788240][ T5582] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.790097][ T5582] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.824017][ T5576] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.826048][ T5576] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.935653][ T5579] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.936990][ T5579] CPU: 1 PID: 5579 Comm: syz.0.44 Not tainted syzkaller #0 [ 74.938063][ T5579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.939631][ T5579] Call trace: [ 74.940102][ T5579] dump_backtrace+0x0/0x458 [ 74.940784][ T5579] show_stack+0x2c/0x3c [ 74.941404][ T5579] __dump_stack+0x30/0x40 [ 74.942041][ T5579] dump_stack_lvl+0xf4/0x15c [ 74.942755][ T5579] dump_stack+0x1c/0x5c [ 74.943373][ T5579] sysfs_create_dir_ns+0x244/0x264 [ 74.944273][ T5579] kobject_add_internal+0x5ac/0xc3c [ 74.945109][ T5579] kobject_init_and_add+0x124/0x190 [ 74.945966][ T5579] gfs2_sys_fs_add+0x200/0x41c [ 74.946716][ T5579] gfs2_fill_super+0xddc/0x1a18 [ 74.947436][ T5579] get_tree_bdev+0x358/0x544 [ 74.948124][ T5579] gfs2_get_tree+0x54/0x1b4 [ 74.948801][ T5579] vfs_get_tree+0x90/0x274 [ 74.949448][ T5579] do_new_mount+0x228/0x810 [ 74.950131][ T5579] path_mount+0x5bc/0x1008 [ 74.950780][ T5579] __arm64_sys_mount+0x514/0x5f0 [ 74.951500][ T5579] invoke_syscall+0x98/0x2b0 [ 74.952257][ T5579] el0_svc_common+0x138/0x258 [ 74.953056][ T5579] do_el0_svc+0x58/0x13c [ 74.953825][ T5579] el0_svc+0x78/0x1d0 [ 74.954540][ T5579] el0t_64_sync_handler+0xcc/0xe4 [ 74.955404][ T5579] el0t_64_sync+0x1a0/0x1a4 [ 74.969202][ T5580] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.970410][ T5580] CPU: 0 PID: 5580 Comm: syz.3.45 Not tainted syzkaller #0 [ 74.971556][ T5580] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.973100][ T5580] Call trace: [ 74.973577][ T5580] dump_backtrace+0x0/0x458 [ 74.974351][ T5580] show_stack+0x2c/0x3c [ 74.975042][ T5580] __dump_stack+0x30/0x40 [ 74.975801][ T5580] dump_stack_lvl+0xf4/0x15c [ 74.976496][ T5580] dump_stack+0x1c/0x5c [ 74.977127][ T5580] sysfs_create_dir_ns+0x244/0x264 [ 74.977940][ T5580] kobject_add_internal+0x5ac/0xc3c [ 74.978815][ T5580] kobject_init_and_add+0x124/0x190 [ 74.979689][ T5580] gfs2_sys_fs_add+0x200/0x41c [ 74.980464][ T5580] gfs2_fill_super+0xddc/0x1a18 [ 74.981197][ T5580] get_tree_bdev+0x358/0x544 [ 74.981887][ T5580] gfs2_get_tree+0x54/0x1b4 [ 74.982569][ T5580] vfs_get_tree+0x90/0x274 [ 74.983301][ T5580] do_new_mount+0x228/0x810 [ 74.984073][ T5580] path_mount+0x5bc/0x1008 [ 74.984849][ T5580] __arm64_sys_mount+0x514/0x5f0 [ 74.985704][ T5580] invoke_syscall+0x98/0x2b0 [ 74.986476][ T5580] el0_svc_common+0x138/0x258 [ 74.987219][ T5580] do_el0_svc+0x58/0x13c [ 74.987868][ T5580] el0_svc+0x78/0x1d0 [ 74.988488][ T5580] el0t_64_sync_handler+0xcc/0xe4 [ 74.989270][ T5580] el0t_64_sync+0x1a0/0x1a4 [ 75.003769][ T5579] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.005873][ T5579] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.027125][ T5580] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.029232][ T5580] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.030396][ T5582] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.031799][ T5582] CPU: 1 PID: 5582 Comm: syz.4.46 Not tainted syzkaller #0 [ 75.032935][ T5582] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.034422][ T5582] Call trace: [ 75.034896][ T5582] dump_backtrace+0x0/0x458 [ 75.035642][ T5582] show_stack+0x2c/0x3c [ 75.036327][ T5582] __dump_stack+0x30/0x40 [ 75.037025][ T5582] dump_stack_lvl+0xf4/0x15c [ 75.037771][ T5582] dump_stack+0x1c/0x5c [ 75.038467][ T5582] sysfs_create_dir_ns+0x244/0x264 [ 75.039301][ T5582] kobject_add_internal+0x5ac/0xc3c [ 75.040139][ T5582] kobject_init_and_add+0x124/0x190 [ 75.041005][ T5582] gfs2_sys_fs_add+0x200/0x41c [ 75.041835][ T5582] gfs2_fill_super+0xddc/0x1a18 [ 75.042644][ T5582] get_tree_bdev+0x358/0x544 [ 75.043405][ T5582] gfs2_get_tree+0x54/0x1b4 [ 75.044153][ T5582] vfs_get_tree+0x90/0x274 [ 75.044932][ T5582] do_new_mount+0x228/0x810 [ 75.045700][ T5582] path_mount+0x5bc/0x1008 [ 75.046432][ T5582] __arm64_sys_mount+0x514/0x5f0 [ 75.047256][ T5582] invoke_syscall+0x98/0x2b0 [ 75.047972][ T5582] el0_svc_common+0x138/0x258 [ 75.048728][ T5582] do_el0_svc+0x58/0x13c [ 75.049389][ T5582] el0_svc+0x78/0x1d0 [ 75.049986][ T5582] el0t_64_sync_handler+0xcc/0xe4 [ 75.050744][ T5582] el0t_64_sync+0x1a0/0x1a4 [ 75.083397][ T5582] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.087273][ T5582] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.113700][ T5585] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.114930][ T5585] CPU: 0 PID: 5585 Comm: syz.1.47 Not tainted syzkaller #0 [ 75.116096][ T5585] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.117580][ T5585] Call trace: [ 75.118099][ T5585] dump_backtrace+0x0/0x458 [ 75.118806][ T5585] show_stack+0x2c/0x3c [ 75.119495][ T5585] __dump_stack+0x30/0x40 [ 75.120189][ T5585] dump_stack_lvl+0xf4/0x15c [ 75.120967][ T5585] dump_stack+0x1c/0x5c [ 75.121644][ T5585] sysfs_create_dir_ns+0x244/0x264 [ 75.122531][ T5585] kobject_add_internal+0x5ac/0xc3c [ 75.123367][ T5585] kobject_init_and_add+0x124/0x190 [ 75.124184][ T5585] gfs2_sys_fs_add+0x200/0x41c [ 75.124954][ T5585] gfs2_fill_super+0xddc/0x1a18 [ 75.125753][ T5585] get_tree_bdev+0x358/0x544 [ 75.126519][ T5585] gfs2_get_tree+0x54/0x1b4 [ 75.127257][ T5585] vfs_get_tree+0x90/0x274 [ 75.127921][ T5585] do_new_mount+0x228/0x810 [ 75.128605][ T5585] path_mount+0x5bc/0x1008 [ 75.129270][ T5585] __arm64_sys_mount+0x514/0x5f0 [ 75.130022][ T5585] invoke_syscall+0x98/0x2b0 [ 75.130800][ T5585] el0_svc_common+0x138/0x258 [ 75.131543][ T5585] do_el0_svc+0x58/0x13c [ 75.132309][ T5585] el0_svc+0x78/0x1d0 [ 75.132979][ T5585] el0t_64_sync_handler+0xcc/0xe4 [ 75.133754][ T5585] el0t_64_sync+0x1a0/0x1a4 [ 75.163769][ T5585] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.165821][ T5585] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.304813][ T5590] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.306063][ T5590] CPU: 1 PID: 5590 Comm: syz.3.49 Not tainted syzkaller #0 [ 75.307298][ T5590] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.308789][ T5590] Call trace: [ 75.309281][ T5590] dump_backtrace+0x0/0x458 [ 75.310044][ T5590] show_stack+0x2c/0x3c [ 75.310654][ T5590] __dump_stack+0x30/0x40 [ 75.311352][ T5590] dump_stack_lvl+0xf4/0x15c [ 75.312086][ T5590] dump_stack+0x1c/0x5c [ 75.312776][ T5590] sysfs_create_dir_ns+0x244/0x264 [ 75.313598][ T5590] kobject_add_internal+0x5ac/0xc3c [ 75.314305][ T5588] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.314466][ T5590] kobject_init_and_add+0x124/0x190 [ 75.316472][ T5590] gfs2_sys_fs_add+0x200/0x41c [ 75.317204][ T5590] gfs2_fill_super+0xddc/0x1a18 [ 75.317962][ T5590] get_tree_bdev+0x358/0x544 [ 75.318712][ T5590] gfs2_get_tree+0x54/0x1b4 [ 75.319435][ T5590] vfs_get_tree+0x90/0x274 [ 75.320199][ T5590] do_new_mount+0x228/0x810 [ 75.320863][ T5590] path_mount+0x5bc/0x1008 [ 75.321598][ T5590] __arm64_sys_mount+0x514/0x5f0 [ 75.322308][ T5590] invoke_syscall+0x98/0x2b0 [ 75.323044][ T5590] el0_svc_common+0x138/0x258 [ 75.323801][ T5590] do_el0_svc+0x58/0x13c [ 75.324429][ T5590] el0_svc+0x78/0x1d0 [ 75.324999][ T5590] el0t_64_sync_handler+0xcc/0xe4 [ 75.325737][ T5590] el0t_64_sync+0x1a0/0x1a4 [ 75.326701][ T5588] CPU: 0 PID: 5588 Comm: syz.0.48 Not tainted syzkaller #0 [ 75.326979][ T5590] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.327834][ T5588] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.329617][ T5590] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.331224][ T5588] Call trace: [ 75.332665][ T5588] dump_backtrace+0x0/0x458 [ 75.333375][ T5588] show_stack+0x2c/0x3c [ 75.333993][ T5588] __dump_stack+0x30/0x40 [ 75.334640][ T5588] dump_stack_lvl+0xf4/0x15c [ 75.335389][ T5588] dump_stack+0x1c/0x5c [ 75.336047][ T5588] sysfs_create_dir_ns+0x244/0x264 [ 75.336924][ T5588] kobject_add_internal+0x5ac/0xc3c [ 75.337733][ T5588] kobject_init_and_add+0x124/0x190 [ 75.338532][ T5588] gfs2_sys_fs_add+0x200/0x41c [ 75.339284][ T5588] gfs2_fill_super+0xddc/0x1a18 [ 75.340012][ T5588] get_tree_bdev+0x358/0x544 [ 75.340748][ T5588] gfs2_get_tree+0x54/0x1b4 [ 75.341393][ T5588] vfs_get_tree+0x90/0x274 [ 75.342157][ T5588] do_new_mount+0x228/0x810 [ 75.342917][ T5588] path_mount+0x5bc/0x1008 [ 75.343640][ T5588] __arm64_sys_mount+0x514/0x5f0 [ 75.344428][ T5588] invoke_syscall+0x98/0x2b0 [ 75.345162][ T5588] el0_svc_common+0x138/0x258 [ 75.345945][ T5588] do_el0_svc+0x58/0x13c [ 75.346685][ T5588] el0_svc+0x78/0x1d0 [ 75.347317][ T5588] el0t_64_sync_handler+0xcc/0xe4 [ 75.348129][ T5588] el0t_64_sync+0x1a0/0x1a4 [ 75.351107][ T5588] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.353187][ T5588] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.366134][ T5592] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.367366][ T5592] CPU: 0 PID: 5592 Comm: syz.4.50 Not tainted syzkaller #0 [ 75.368438][ T5592] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.369881][ T5592] Call trace: [ 75.370351][ T5592] dump_backtrace+0x0/0x458 [ 75.371033][ T5592] show_stack+0x2c/0x3c [ 75.371716][ T5592] __dump_stack+0x30/0x40 [ 75.372411][ T5592] dump_stack_lvl+0xf4/0x15c [ 75.373188][ T5592] dump_stack+0x1c/0x5c [ 75.373889][ T5592] sysfs_create_dir_ns+0x244/0x264 [ 75.374742][ T5592] kobject_add_internal+0x5ac/0xc3c [ 75.375580][ T5592] kobject_init_and_add+0x124/0x190 [ 75.376429][ T5592] gfs2_sys_fs_add+0x200/0x41c [ 75.377214][ T5592] gfs2_fill_super+0xddc/0x1a18 [ 75.378046][ T5592] get_tree_bdev+0x358/0x544 [ 75.378792][ T5592] gfs2_get_tree+0x54/0x1b4 [ 75.379561][ T5592] vfs_get_tree+0x90/0x274 [ 75.380250][ T5592] do_new_mount+0x228/0x810 [ 75.380971][ T5592] path_mount+0x5bc/0x1008 [ 75.381709][ T5592] __arm64_sys_mount+0x514/0x5f0 [ 75.382587][ T5592] invoke_syscall+0x98/0x2b0 [ 75.383343][ T5592] el0_svc_common+0x138/0x258 [ 75.384114][ T5592] do_el0_svc+0x58/0x13c [ 75.384853][ T5592] el0_svc+0x78/0x1d0 [ 75.385495][ T5592] el0t_64_sync_handler+0xcc/0xe4 [ 75.386299][ T5592] el0t_64_sync+0x1a0/0x1a4 [ 75.396277][ T5585] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.397536][ T5585] CPU: 1 PID: 5585 Comm: syz.1.47 Not tainted syzkaller #0 [ 75.398731][ T5585] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.400446][ T5585] Call trace: [ 75.400988][ T5585] dump_backtrace+0x0/0x458 [ 75.401700][ T5585] show_stack+0x2c/0x3c [ 75.402385][ T5585] __dump_stack+0x30/0x40 [ 75.403070][ T5585] dump_stack_lvl+0xf4/0x15c [ 75.403864][ T5585] dump_stack+0x1c/0x5c [ 75.404563][ T5585] sysfs_create_dir_ns+0x244/0x264 [ 75.405433][ T5585] kobject_add_internal+0x5ac/0xc3c [ 75.406248][ T5585] kobject_init_and_add+0x124/0x190 [ 75.406995][ T5585] gfs2_sys_fs_add+0x200/0x41c [ 75.407717][ T5585] gfs2_fill_super+0xddc/0x1a18 [ 75.408445][ T5585] get_tree_bdev+0x358/0x544 [ 75.409178][ T5585] gfs2_get_tree+0x54/0x1b4 [ 75.409889][ T5585] vfs_get_tree+0x90/0x274 [ 75.410675][ T5585] do_new_mount+0x228/0x810 [ 75.411402][ T5585] path_mount+0x5bc/0x1008 [ 75.412112][ T5585] __arm64_sys_mount+0x514/0x5f0 [ 75.413035][ T5585] invoke_syscall+0x98/0x2b0 [ 75.413803][ T5585] el0_svc_common+0x138/0x258 [ 75.414566][ T5585] do_el0_svc+0x58/0x13c [ 75.415210][ T5585] el0_svc+0x78/0x1d0 [ 75.415826][ T5585] el0t_64_sync_handler+0xcc/0xe4 [ 75.416613][ T5585] el0t_64_sync+0x1a0/0x1a4 [ 75.419065][ T5592] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.421223][ T5592] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.479876][ T5585] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.482343][ T5585] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.599237][ T5588] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.600527][ T5588] CPU: 0 PID: 5588 Comm: syz.0.48 Not tainted syzkaller #0 [ 75.601669][ T5588] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.603339][ T5588] Call trace: [ 75.603884][ T5588] dump_backtrace+0x0/0x458 [ 75.604663][ T5588] show_stack+0x2c/0x3c [ 75.605349][ T5588] __dump_stack+0x30/0x40 [ 75.606072][ T5588] dump_stack_lvl+0xf4/0x15c [ 75.606901][ T5588] dump_stack+0x1c/0x5c [ 75.607599][ T5588] sysfs_create_dir_ns+0x244/0x264 [ 75.608383][ T5588] kobject_add_internal+0x5ac/0xc3c [ 75.609179][ T5588] kobject_init_and_add+0x124/0x190 [ 75.609975][ T5588] gfs2_sys_fs_add+0x200/0x41c [ 75.610699][ T5588] gfs2_fill_super+0xddc/0x1a18 [ 75.611390][ T5588] get_tree_bdev+0x358/0x544 [ 75.612073][ T5588] gfs2_get_tree+0x54/0x1b4 [ 75.612771][ T5588] vfs_get_tree+0x90/0x274 [ 75.613437][ T5588] do_new_mount+0x228/0x810 [ 75.614115][ T5588] path_mount+0x5bc/0x1008 [ 75.614810][ T5588] __arm64_sys_mount+0x514/0x5f0 [ 75.615625][ T5588] invoke_syscall+0x98/0x2b0 [ 75.616259][ T5588] el0_svc_common+0x138/0x258 [ 75.616492][ T5590] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.616988][ T5588] do_el0_svc+0x58/0x13c [ 75.618824][ T5588] el0_svc+0x78/0x1d0 [ 75.619405][ T5588] el0t_64_sync_handler+0xcc/0xe4 [ 75.620196][ T5588] el0t_64_sync+0x1a0/0x1a4 [ 75.620934][ T5590] CPU: 1 PID: 5590 Comm: syz.3.49 Not tainted syzkaller #0 [ 75.622010][ T5590] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.623604][ T5590] Call trace: [ 75.624115][ T5590] dump_backtrace+0x0/0x458 [ 75.624784][ T5590] show_stack+0x2c/0x3c [ 75.625377][ T5590] __dump_stack+0x30/0x40 [ 75.626020][ T5590] dump_stack_lvl+0xf4/0x15c [ 75.626789][ T5590] dump_stack+0x1c/0x5c [ 75.627484][ T5590] sysfs_create_dir_ns+0x244/0x264 [ 75.628274][ T5590] kobject_add_internal+0x5ac/0xc3c [ 75.629085][ T5590] kobject_init_and_add+0x124/0x190 [ 75.629902][ T5590] gfs2_sys_fs_add+0x200/0x41c [ 75.630650][ T5590] gfs2_fill_super+0xddc/0x1a18 [ 75.631425][ T5590] get_tree_bdev+0x358/0x544 [ 75.632204][ T5590] gfs2_get_tree+0x54/0x1b4 [ 75.632948][ T5590] vfs_get_tree+0x90/0x274 [ 75.633661][ T5590] do_new_mount+0x228/0x810 [ 75.634426][ T5590] path_mount+0x5bc/0x1008 [ 75.635093][ T5590] __arm64_sys_mount+0x514/0x5f0 [ 75.635857][ T5590] invoke_syscall+0x98/0x2b0 [ 75.636568][ T5590] el0_svc_common+0x138/0x258 [ 75.637140][ T5588] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.637294][ T5590] do_el0_svc+0x58/0x13c [ 75.639446][ T5588] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.640057][ T5590] el0_svc+0x78/0x1d0 [ 75.641661][ T5590] el0t_64_sync_handler+0xcc/0xe4 [ 75.642452][ T5590] el0t_64_sync+0x1a0/0x1a4 [ 75.646272][ T5590] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.648309][ T5590] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.698281][ T5592] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.699637][ T5592] CPU: 0 PID: 5592 Comm: syz.4.50 Not tainted syzkaller #0 [ 75.700879][ T5592] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.702420][ T5592] Call trace: [ 75.702945][ T5592] dump_backtrace+0x0/0x458 [ 75.703575][ T5592] show_stack+0x2c/0x3c [ 75.704255][ T5592] __dump_stack+0x30/0x40 [ 75.704892][ T5592] dump_stack_lvl+0xf4/0x15c [ 75.705604][ T5592] dump_stack+0x1c/0x5c [ 75.706278][ T5592] sysfs_create_dir_ns+0x244/0x264 [ 75.707019][ T5592] kobject_add_internal+0x5ac/0xc3c [ 75.707824][ T5592] kobject_init_and_add+0x124/0x190 [ 75.708677][ T5592] gfs2_sys_fs_add+0x200/0x41c [ 75.709450][ T5592] gfs2_fill_super+0xddc/0x1a18 [ 75.710211][ T5592] get_tree_bdev+0x358/0x544 [ 75.710893][ T5592] gfs2_get_tree+0x54/0x1b4 [ 75.711567][ T5592] vfs_get_tree+0x90/0x274 [ 75.712231][ T5592] do_new_mount+0x228/0x810 [ 75.712912][ T5592] path_mount+0x5bc/0x1008 [ 75.713574][ T5592] __arm64_sys_mount+0x514/0x5f0 [ 75.714349][ T5592] invoke_syscall+0x98/0x2b0 [ 75.715034][ T5592] el0_svc_common+0x138/0x258 [ 75.715756][ T5592] do_el0_svc+0x58/0x13c [ 75.716468][ T5592] el0_svc+0x78/0x1d0 [ 75.717146][ T5592] el0t_64_sync_handler+0xcc/0xe4 [ 75.717990][ T5592] el0t_64_sync+0x1a0/0x1a4 [ 75.739181][ T5592] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.741226][ T5592] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.834495][ T5595] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.835700][ T5595] CPU: 1 PID: 5595 Comm: syz.1.51 Not tainted syzkaller #0 [ 75.836810][ T5595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.838213][ T5595] Call trace: [ 75.838722][ T5595] dump_backtrace+0x0/0x458 [ 75.839411][ T5595] show_stack+0x2c/0x3c [ 75.840116][ T5595] __dump_stack+0x30/0x40 [ 75.840820][ T5595] dump_stack_lvl+0xf4/0x15c [ 75.841505][ T5595] dump_stack+0x1c/0x5c [ 75.842142][ T5595] sysfs_create_dir_ns+0x244/0x264 [ 75.842977][ T5595] kobject_add_internal+0x5ac/0xc3c [ 75.843840][ T5595] kobject_init_and_add+0x124/0x190 [ 75.844752][ T5595] gfs2_sys_fs_add+0x200/0x41c [ 75.845542][ T5595] gfs2_fill_super+0xddc/0x1a18 [ 75.846355][ T5595] get_tree_bdev+0x358/0x544 [ 75.847148][ T5595] gfs2_get_tree+0x54/0x1b4 [ 75.847869][ T5595] vfs_get_tree+0x90/0x274 [ 75.848608][ T5595] do_new_mount+0x228/0x810 [ 75.849311][ T5595] path_mount+0x5bc/0x1008 [ 75.850031][ T5595] __arm64_sys_mount+0x514/0x5f0 [ 75.850806][ T5595] invoke_syscall+0x98/0x2b0 [ 75.851578][ T5595] el0_svc_common+0x138/0x258 [ 75.852325][ T5595] do_el0_svc+0x58/0x13c [ 75.852893][ T5595] el0_svc+0x78/0x1d0 [ 75.853537][ T5595] el0t_64_sync_handler+0xcc/0xe4 [ 75.854407][ T5595] el0t_64_sync+0x1a0/0x1a4 [ 75.883799][ T5595] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.886023][ T5595] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.996286][ T5597] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.997594][ T5597] CPU: 1 PID: 5597 Comm: syz.0.52 Not tainted syzkaller #0 [ 75.998789][ T5597] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.000519][ T5597] Call trace: [ 76.001050][ T5597] dump_backtrace+0x0/0x458 [ 76.001684][ T5597] show_stack+0x2c/0x3c [ 76.002285][ T5597] __dump_stack+0x30/0x40 [ 76.002992][ T5597] dump_stack_lvl+0xf4/0x15c [ 76.003676][ T5597] dump_stack+0x1c/0x5c [ 76.004299][ T5597] sysfs_create_dir_ns+0x244/0x264 [ 76.005118][ T5597] kobject_add_internal+0x5ac/0xc3c [ 76.005927][ T5597] kobject_init_and_add+0x124/0x190 [ 76.006711][ T5597] gfs2_sys_fs_add+0x200/0x41c [ 76.007395][ T5597] gfs2_fill_super+0xddc/0x1a18 [ 76.008197][ T5597] get_tree_bdev+0x358/0x544 [ 76.008999][ T5597] gfs2_get_tree+0x54/0x1b4 [ 76.009710][ T5597] vfs_get_tree+0x90/0x274 [ 76.010375][ T5597] do_new_mount+0x228/0x810 [ 76.011104][ T5597] path_mount+0x5bc/0x1008 [ 76.011863][ T5597] __arm64_sys_mount+0x514/0x5f0 [ 76.012763][ T5597] invoke_syscall+0x98/0x2b0 [ 76.013534][ T5597] el0_svc_common+0x138/0x258 [ 76.014383][ T5597] do_el0_svc+0x58/0x13c [ 76.015088][ T5597] el0_svc+0x78/0x1d0 [ 76.015731][ T5597] el0t_64_sync_handler+0xcc/0xe4 [ 76.016562][ T5597] el0t_64_sync+0x1a0/0x1a4 [ 76.048068][ T5597] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.050164][ T5597] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.057537][ T5599] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.058696][ T5599] CPU: 0 PID: 5599 Comm: syz.3.53 Not tainted syzkaller #0 [ 76.059778][ T5599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.061409][ T5599] Call trace: [ 76.061951][ T5599] dump_backtrace+0x0/0x458 [ 76.062707][ T5599] show_stack+0x2c/0x3c [ 76.063366][ T5599] __dump_stack+0x30/0x40 [ 76.064069][ T5599] dump_stack_lvl+0xf4/0x15c [ 76.064764][ T5599] dump_stack+0x1c/0x5c [ 76.065453][ T5599] sysfs_create_dir_ns+0x244/0x264 [ 76.066243][ T5599] kobject_add_internal+0x5ac/0xc3c [ 76.067020][ T5599] kobject_init_and_add+0x124/0x190 [ 76.067832][ T5599] gfs2_sys_fs_add+0x200/0x41c [ 76.068561][ T5599] gfs2_fill_super+0xddc/0x1a18 [ 76.069334][ T5599] get_tree_bdev+0x358/0x544 [ 76.070104][ T5599] gfs2_get_tree+0x54/0x1b4 [ 76.070880][ T5599] vfs_get_tree+0x90/0x274 [ 76.071578][ T5599] do_new_mount+0x228/0x810 [ 76.072292][ T5599] path_mount+0x5bc/0x1008 [ 76.072978][ T5599] __arm64_sys_mount+0x514/0x5f0 [ 76.073770][ T5599] invoke_syscall+0x98/0x2b0 [ 76.074584][ T5599] el0_svc_common+0x138/0x258 [ 76.075369][ T5599] do_el0_svc+0x58/0x13c [ 76.076024][ T5599] el0_svc+0x78/0x1d0 [ 76.076692][ T5599] el0t_64_sync_handler+0xcc/0xe4 [ 76.077465][ T5599] el0t_64_sync+0x1a0/0x1a4 [ 76.088012][ T5599] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.090098][ T5599] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.104626][ T5601] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.105993][ T5601] CPU: 1 PID: 5601 Comm: syz.4.54 Not tainted syzkaller #0 [ 76.107107][ T5601] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.108862][ T5601] Call trace: [ 76.109342][ T5601] dump_backtrace+0x0/0x458 [ 76.110046][ T5601] show_stack+0x2c/0x3c [ 76.110678][ T5601] __dump_stack+0x30/0x40 [ 76.111358][ T5601] dump_stack_lvl+0xf4/0x15c [ 76.112068][ T5601] dump_stack+0x1c/0x5c [ 76.112766][ T5601] sysfs_create_dir_ns+0x244/0x264 [ 76.113551][ T5601] kobject_add_internal+0x5ac/0xc3c [ 76.114332][ T5601] kobject_init_and_add+0x124/0x190 [ 76.115119][ T5601] gfs2_sys_fs_add+0x200/0x41c [ 76.115923][ T5601] gfs2_fill_super+0xddc/0x1a18 [ 76.116720][ T5601] get_tree_bdev+0x358/0x544 [ 76.117477][ T5601] gfs2_get_tree+0x54/0x1b4 [ 76.118206][ T5601] vfs_get_tree+0x90/0x274 [ 76.118883][ T5601] do_new_mount+0x228/0x810 [ 76.119654][ T5601] path_mount+0x5bc/0x1008 [ 76.120419][ T5601] __arm64_sys_mount+0x514/0x5f0 [ 76.121292][ T5601] invoke_syscall+0x98/0x2b0 [ 76.122090][ T5601] el0_svc_common+0x138/0x258 [ 76.122811][ T5601] do_el0_svc+0x58/0x13c [ 76.123426][ T5601] el0_svc+0x78/0x1d0 [ 76.124011][ T5601] el0t_64_sync_handler+0xcc/0xe4 [ 76.124791][ T5601] el0t_64_sync+0x1a0/0x1a4 [ 76.125933][ T5601] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.128034][ T5601] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.137919][ T5595] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.139149][ T5595] CPU: 1 PID: 5595 Comm: syz.1.51 Not tainted syzkaller #0 [ 76.140384][ T5595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.141986][ T5595] Call trace: [ 76.142498][ T5595] dump_backtrace+0x0/0x458 [ 76.143199][ T5595] show_stack+0x2c/0x3c [ 76.143871][ T5595] __dump_stack+0x30/0x40 [ 76.144591][ T5595] dump_stack_lvl+0xf4/0x15c [ 76.145380][ T5595] dump_stack+0x1c/0x5c [ 76.146060][ T5595] sysfs_create_dir_ns+0x244/0x264 [ 76.146906][ T5595] kobject_add_internal+0x5ac/0xc3c [ 76.147723][ T5595] kobject_init_and_add+0x124/0x190 [ 76.148527][ T5595] gfs2_sys_fs_add+0x200/0x41c [ 76.149238][ T5595] gfs2_fill_super+0xddc/0x1a18 [ 76.149949][ T5595] get_tree_bdev+0x358/0x544 [ 76.150687][ T5595] gfs2_get_tree+0x54/0x1b4 [ 76.151431][ T5595] vfs_get_tree+0x90/0x274 [ 76.152093][ T5595] do_new_mount+0x228/0x810 [ 76.152892][ T5595] path_mount+0x5bc/0x1008 [ 76.153588][ T5595] __arm64_sys_mount+0x514/0x5f0 [ 76.154260][ T5595] invoke_syscall+0x98/0x2b0 [ 76.154909][ T5595] el0_svc_common+0x138/0x258 [ 76.155648][ T5595] do_el0_svc+0x58/0x13c [ 76.156380][ T5595] el0_svc+0x78/0x1d0 [ 76.157040][ T5595] el0t_64_sync_handler+0xcc/0xe4 [ 76.157849][ T5595] el0t_64_sync+0x1a0/0x1a4 [ 76.193758][ T5595] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.195905][ T5595] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.297296][ T5599] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.298667][ T5599] CPU: 0 PID: 5599 Comm: syz.3.53 Not tainted syzkaller #0 [ 76.299798][ T5599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.301496][ T5599] Call trace: [ 76.302063][ T5599] dump_backtrace+0x0/0x458 [ 76.302831][ T5599] show_stack+0x2c/0x3c [ 76.303491][ T5599] __dump_stack+0x30/0x40 [ 76.304204][ T5599] dump_stack_lvl+0xf4/0x15c [ 76.304965][ T5599] dump_stack+0x1c/0x5c [ 76.305674][ T5599] sysfs_create_dir_ns+0x244/0x264 [ 76.306568][ T5599] kobject_add_internal+0x5ac/0xc3c [ 76.307458][ T5599] kobject_init_and_add+0x124/0x190 [ 76.308270][ T5599] gfs2_sys_fs_add+0x200/0x41c [ 76.309011][ T5599] gfs2_fill_super+0xddc/0x1a18 [ 76.309731][ T5599] get_tree_bdev+0x358/0x544 [ 76.310402][ T5599] gfs2_get_tree+0x54/0x1b4 [ 76.311143][ T5599] vfs_get_tree+0x90/0x274 [ 76.311848][ T5599] do_new_mount+0x228/0x810 [ 76.312497][ T5599] path_mount+0x5bc/0x1008 [ 76.313151][ T5599] __arm64_sys_mount+0x514/0x5f0 [ 76.313920][ T5599] invoke_syscall+0x98/0x2b0 [ 76.314677][ T5599] el0_svc_common+0x138/0x258 [ 76.315392][ T5599] do_el0_svc+0x58/0x13c [ 76.316037][ T5599] el0_svc+0x78/0x1d0 [ 76.316691][ T5599] el0t_64_sync_handler+0xcc/0xe4 [ 76.317478][ T5599] el0t_64_sync+0x1a0/0x1a4 [ 76.349128][ T5599] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.351189][ T5599] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.386454][ T5597] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.387587][ T5597] CPU: 1 PID: 5597 Comm: syz.0.52 Not tainted syzkaller #0 [ 76.388884][ T5597] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.390520][ T5597] Call trace: [ 76.391086][ T5597] dump_backtrace+0x0/0x458 [ 76.391784][ T5597] show_stack+0x2c/0x3c [ 76.392401][ T5597] __dump_stack+0x30/0x40 [ 76.393038][ T5597] dump_stack_lvl+0xf4/0x15c [ 76.393757][ T5597] dump_stack+0x1c/0x5c [ 76.394411][ T5597] sysfs_create_dir_ns+0x244/0x264 [ 76.395130][ T5597] kobject_add_internal+0x5ac/0xc3c [ 76.395888][ T5597] kobject_init_and_add+0x124/0x190 [ 76.396686][ T5597] gfs2_sys_fs_add+0x200/0x41c [ 76.397512][ T5597] gfs2_fill_super+0xddc/0x1a18 [ 76.398362][ T5597] get_tree_bdev+0x358/0x544 [ 76.399079][ T5597] gfs2_get_tree+0x54/0x1b4 [ 76.399791][ T5597] vfs_get_tree+0x90/0x274 [ 76.400515][ T5597] do_new_mount+0x228/0x810 [ 76.401239][ T5597] path_mount+0x5bc/0x1008 [ 76.401936][ T5597] __arm64_sys_mount+0x514/0x5f0 [ 76.402725][ T5597] invoke_syscall+0x98/0x2b0 [ 76.403458][ T5597] el0_svc_common+0x138/0x258 [ 76.404184][ T5597] do_el0_svc+0x58/0x13c [ 76.404847][ T5597] el0_svc+0x78/0x1d0 [ 76.405469][ T5597] el0t_64_sync_handler+0xcc/0xe4 [ 76.406274][ T5597] el0t_64_sync+0x1a0/0x1a4 [ 76.439001][ T5603] set_capacity_and_notify: 44 callbacks suppressed [ 76.439011][ T5603] loop1: detected capacity change from 0 to 32768 [ 76.451248][ T5603] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.452521][ T5603] CPU: 0 PID: 5603 Comm: syz.1.55 Not tainted syzkaller #0 [ 76.453722][ T5603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.455240][ T5603] Call trace: [ 76.455715][ T5603] dump_backtrace+0x0/0x458 [ 76.456420][ T5603] show_stack+0x2c/0x3c [ 76.457094][ T5603] __dump_stack+0x30/0x40 [ 76.457780][ T5603] dump_stack_lvl+0xf4/0x15c [ 76.458491][ T5603] dump_stack+0x1c/0x5c [ 76.459131][ T5603] sysfs_create_dir_ns+0x244/0x264 [ 76.459580][ T5597] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.460036][ T5603] kobject_add_internal+0x5ac/0xc3c [ 76.461986][ T5597] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.462699][ T5603] kobject_init_and_add+0x124/0x190 [ 76.464376][ T5603] gfs2_sys_fs_add+0x200/0x41c [ 76.465119][ T5603] gfs2_fill_super+0xddc/0x1a18 [ 76.465933][ T5603] get_tree_bdev+0x358/0x544 [ 76.466613][ T5603] gfs2_get_tree+0x54/0x1b4 [ 76.467276][ T5603] vfs_get_tree+0x90/0x274 [ 76.467945][ T5603] do_new_mount+0x228/0x810 [ 76.468738][ T5603] path_mount+0x5bc/0x1008 [ 76.469511][ T5603] __arm64_sys_mount+0x514/0x5f0 [ 76.470327][ T5603] invoke_syscall+0x98/0x2b0 [ 76.471096][ T5603] el0_svc_common+0x138/0x258 [ 76.471879][ T5603] do_el0_svc+0x58/0x13c [ 76.472552][ T5603] el0_svc+0x78/0x1d0 [ 76.473185][ T5603] el0t_64_sync_handler+0xcc/0xe4 [ 76.474044][ T5603] el0t_64_sync+0x1a0/0x1a4 [ 76.496507][ T5601] loop4: detected capacity change from 0 to 32768 [ 76.498718][ T5601] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.499792][ T5601] CPU: 1 PID: 5601 Comm: syz.4.54 Not tainted syzkaller #0 [ 76.501032][ T5601] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.502574][ T5601] Call trace: [ 76.503049][ T5601] dump_backtrace+0x0/0x458 [ 76.503755][ T5601] show_stack+0x2c/0x3c [ 76.504466][ T5601] __dump_stack+0x30/0x40 [ 76.505191][ T5601] dump_stack_lvl+0xf4/0x15c [ 76.505894][ T5601] dump_stack+0x1c/0x5c [ 76.506566][ T5601] sysfs_create_dir_ns+0x244/0x264 [ 76.507440][ T5601] kobject_add_internal+0x5ac/0xc3c [ 76.508289][ T5601] kobject_init_and_add+0x124/0x190 [ 76.509096][ T5601] gfs2_sys_fs_add+0x200/0x41c [ 76.509877][ T5601] gfs2_fill_super+0xddc/0x1a18 [ 76.510630][ T5601] get_tree_bdev+0x358/0x544 [ 76.511321][ T5601] gfs2_get_tree+0x54/0x1b4 [ 76.511982][ T5601] vfs_get_tree+0x90/0x274 [ 76.512754][ T5601] do_new_mount+0x228/0x810 [ 76.513507][ T5601] path_mount+0x5bc/0x1008 [ 76.513712][ T5603] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.514261][ T5601] __arm64_sys_mount+0x514/0x5f0 [ 76.516213][ T5603] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.517025][ T5601] invoke_syscall+0x98/0x2b0 [ 76.517042][ T5601] el0_svc_common+0x138/0x258 [ 76.517049][ T5601] do_el0_svc+0x58/0x13c [ 76.517054][ T5601] el0_svc+0x78/0x1d0 [ 76.517060][ T5601] el0t_64_sync_handler+0xcc/0xe4 [ 76.517065][ T5601] el0t_64_sync+0x1a0/0x1a4 [ 76.556719][ T5601] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.559475][ T5601] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.616398][ T5605] loop3: detected capacity change from 0 to 32768 [ 76.664733][ T5605] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.665996][ T5605] CPU: 0 PID: 5605 Comm: syz.3.56 Not tainted syzkaller #0 [ 76.667130][ T5605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.668864][ T5605] Call trace: [ 76.669428][ T5605] dump_backtrace+0x0/0x458 [ 76.670160][ T5605] show_stack+0x2c/0x3c [ 76.670874][ T5605] __dump_stack+0x30/0x40 [ 76.671678][ T5605] dump_stack_lvl+0xf4/0x15c [ 76.672505][ T5605] dump_stack+0x1c/0x5c [ 76.673160][ T5605] sysfs_create_dir_ns+0x244/0x264 [ 76.673963][ T5605] kobject_add_internal+0x5ac/0xc3c [ 76.674786][ T5605] kobject_init_and_add+0x124/0x190 [ 76.675591][ T5605] gfs2_sys_fs_add+0x200/0x41c [ 76.676340][ T5605] gfs2_fill_super+0xddc/0x1a18 [ 76.677159][ T5605] get_tree_bdev+0x358/0x544 [ 76.677901][ T5605] gfs2_get_tree+0x54/0x1b4 [ 76.678671][ T5605] vfs_get_tree+0x90/0x274 [ 76.679378][ T5605] do_new_mount+0x228/0x810 [ 76.680162][ T5605] path_mount+0x5bc/0x1008 [ 76.680890][ T5605] __arm64_sys_mount+0x514/0x5f0 [ 76.681762][ T5605] invoke_syscall+0x98/0x2b0 [ 76.682543][ T5605] el0_svc_common+0x138/0x258 [ 76.683323][ T5605] do_el0_svc+0x58/0x13c [ 76.684098][ T5605] el0_svc+0x78/0x1d0 [ 76.684780][ T5605] el0t_64_sync_handler+0xcc/0xe4 [ 76.685611][ T5605] el0t_64_sync+0x1a0/0x1a4 [ 76.718668][ T5605] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.720682][ T5605] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.778922][ T5603] loop1: detected capacity change from 0 to 32768 [ 76.819152][ T5603] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.820399][ T5603] CPU: 0 PID: 5603 Comm: syz.1.55 Not tainted syzkaller #0 [ 76.821540][ T5603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.823147][ T5603] Call trace: [ 76.823689][ T5603] dump_backtrace+0x0/0x458 [ 76.824457][ T5603] show_stack+0x2c/0x3c [ 76.825070][ T5607] loop4: detected capacity change from 0 to 32768 [ 76.825162][ T5603] __dump_stack+0x30/0x40 [ 76.826881][ T5603] dump_stack_lvl+0xf4/0x15c [ 76.827697][ T5603] dump_stack+0x1c/0x5c [ 76.828351][ T5609] loop0: detected capacity change from 0 to 32768 [ 76.828440][ T5603] sysfs_create_dir_ns+0x244/0x264 [ 76.830256][ T5603] kobject_add_internal+0x5ac/0xc3c [ 76.831150][ T5603] kobject_init_and_add+0x124/0x190 [ 76.831951][ T5603] gfs2_sys_fs_add+0x200/0x41c [ 76.832686][ T5603] gfs2_fill_super+0xddc/0x1a18 [ 76.833412][ T5603] get_tree_bdev+0x358/0x544 [ 76.834061][ T5603] gfs2_get_tree+0x54/0x1b4 [ 76.834743][ T5603] vfs_get_tree+0x90/0x274 [ 76.835426][ T5603] do_new_mount+0x228/0x810 [ 76.836228][ T5603] path_mount+0x5bc/0x1008 [ 76.836946][ T5603] __arm64_sys_mount+0x514/0x5f0 [ 76.837708][ T5603] invoke_syscall+0x98/0x2b0 [ 76.838385][ T5603] el0_svc_common+0x138/0x258 [ 76.839211][ T5603] do_el0_svc+0x58/0x13c [ 76.839881][ T5603] el0_svc+0x78/0x1d0 [ 76.840532][ T5603] el0t_64_sync_handler+0xcc/0xe4 [ 76.841345][ T5603] el0t_64_sync+0x1a0/0x1a4 [ 76.850266][ T5603] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.852890][ T5603] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.876150][ T5609] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.877432][ T5609] CPU: 1 PID: 5609 Comm: syz.0.57 Not tainted syzkaller #0 [ 76.878638][ T5609] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.880285][ T5609] Call trace: [ 76.880802][ T5609] dump_backtrace+0x0/0x458 [ 76.881538][ T5609] show_stack+0x2c/0x3c [ 76.882197][ T5609] __dump_stack+0x30/0x40 [ 76.882907][ T5609] dump_stack_lvl+0xf4/0x15c [ 76.883631][ T5609] dump_stack+0x1c/0x5c [ 76.884319][ T5609] sysfs_create_dir_ns+0x244/0x264 [ 76.885172][ T5609] kobject_add_internal+0x5ac/0xc3c [ 76.886113][ T5609] kobject_init_and_add+0x124/0x190 [ 76.887012][ T5609] gfs2_sys_fs_add+0x200/0x41c [ 76.887852][ T5609] gfs2_fill_super+0xddc/0x1a18 [ 76.888632][ T5609] get_tree_bdev+0x358/0x544 [ 76.889359][ T5609] gfs2_get_tree+0x54/0x1b4 [ 76.890179][ T5609] vfs_get_tree+0x90/0x274 [ 76.890865][ T5609] do_new_mount+0x228/0x810 [ 76.891621][ T5609] path_mount+0x5bc/0x1008 [ 76.892296][ T5609] __arm64_sys_mount+0x514/0x5f0 [ 76.893120][ T5609] invoke_syscall+0x98/0x2b0 [ 76.893823][ T5609] el0_svc_common+0x138/0x258 [ 76.894531][ T5609] do_el0_svc+0x58/0x13c [ 76.895192][ T5609] el0_svc+0x78/0x1d0 [ 76.895764][ T5609] el0t_64_sync_handler+0xcc/0xe4 [ 76.896540][ T5609] el0t_64_sync+0x1a0/0x1a4 [ 76.899382][ T5607] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.899541][ T5605] loop3: detected capacity change from 0 to 32768 [ 76.900409][ T5607] CPU: 1 PID: 5607 Comm: syz.4.58 Not tainted syzkaller #0 [ 76.902488][ T5607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.904171][ T5607] Call trace: [ 76.904716][ T5607] dump_backtrace+0x0/0x458 [ 76.905465][ T5607] show_stack+0x2c/0x3c [ 76.906108][ T5607] __dump_stack+0x30/0x40 [ 76.906807][ T5607] dump_stack_lvl+0xf4/0x15c [ 76.907579][ T5607] dump_stack+0x1c/0x5c [ 76.908284][ T5607] sysfs_create_dir_ns+0x244/0x264 [ 76.909100][ T5607] kobject_add_internal+0x5ac/0xc3c [ 76.909985][ T5607] kobject_init_and_add+0x124/0x190 [ 76.910894][ T5607] gfs2_sys_fs_add+0x200/0x41c [ 76.911697][ T5607] gfs2_fill_super+0xddc/0x1a18 [ 76.912534][ T5607] get_tree_bdev+0x358/0x544 [ 76.913290][ T5607] gfs2_get_tree+0x54/0x1b4 [ 76.913915][ T5607] vfs_get_tree+0x90/0x274 [ 76.914639][ T5607] do_new_mount+0x228/0x810 [ 76.915325][ T5607] path_mount+0x5bc/0x1008 [ 76.916005][ T5607] __arm64_sys_mount+0x514/0x5f0 [ 76.916824][ T5607] invoke_syscall+0x98/0x2b0 [ 76.917584][ T5607] el0_svc_common+0x138/0x258 [ 76.918369][ T5607] do_el0_svc+0x58/0x13c [ 76.919069][ T5607] el0_svc+0x78/0x1d0 [ 76.919724][ T5607] el0t_64_sync_handler+0xcc/0xe4 [ 76.920579][ T5607] el0t_64_sync+0x1a0/0x1a4 [ 76.923384][ T5609] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.925545][ T5607] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.928293][ T5609] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.929726][ T5607] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.944593][ T5605] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.945912][ T5605] CPU: 0 PID: 5605 Comm: syz.3.56 Not tainted syzkaller #0 [ 76.947081][ T5605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.948530][ T5605] Call trace: [ 76.949012][ T5605] dump_backtrace+0x0/0x458 [ 76.949718][ T5605] show_stack+0x2c/0x3c [ 76.950378][ T5605] __dump_stack+0x30/0x40 [ 76.951023][ T5605] dump_stack_lvl+0xf4/0x15c [ 76.951742][ T5605] dump_stack+0x1c/0x5c [ 76.952407][ T5605] sysfs_create_dir_ns+0x244/0x264 [ 76.953257][ T5605] kobject_add_internal+0x5ac/0xc3c [ 76.954139][ T5605] kobject_init_and_add+0x124/0x190 [ 76.954974][ T5605] gfs2_sys_fs_add+0x200/0x41c [ 76.955756][ T5605] gfs2_fill_super+0xddc/0x1a18 [ 76.956458][ T5605] get_tree_bdev+0x358/0x544 [ 76.957191][ T5605] gfs2_get_tree+0x54/0x1b4 [ 76.957910][ T5605] vfs_get_tree+0x90/0x274 [ 76.958622][ T5605] do_new_mount+0x228/0x810 [ 76.959410][ T5605] path_mount+0x5bc/0x1008 [ 76.960109][ T5605] __arm64_sys_mount+0x514/0x5f0 [ 76.960880][ T5605] invoke_syscall+0x98/0x2b0 [ 76.961555][ T5605] el0_svc_common+0x138/0x258 [ 76.962275][ T5605] do_el0_svc+0x58/0x13c [ 76.962896][ T5605] el0_svc+0x78/0x1d0 [ 76.963497][ T5605] el0t_64_sync_handler+0xcc/0xe4 [ 76.964258][ T5605] el0t_64_sync+0x1a0/0x1a4 [ 77.000703][ T5605] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.002780][ T5605] gfs2: fsid=syz:syz: error -17 adding sysfs files