Warning: Permanently added '10.128.0.50' (ED25519) to the list of known hosts. 1970/01/01 00:00:55 parsed 1 programs [ 56.437795][ T4701] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 57.234832][ T1653] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 57.236071][ T1653] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 57.245034][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 57.269329][ T1653] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 57.270595][ T1653] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 57.272198][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 57.713607][ T4751] chnl_net:caif_netlink_parms(): no params data found [ 57.809250][ T4751] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.810436][ T4751] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.815375][ T4751] device bridge_slave_0 entered promiscuous mode [ 57.817509][ T4751] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.818633][ T4751] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.828426][ T4751] device bridge_slave_1 entered promiscuous mode [ 57.848067][ T4751] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.850890][ T4751] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.859147][ T4751] team0: Port device team_slave_0 added [ 57.861029][ T4751] team0: Port device team_slave_1 added [ 57.869140][ T4751] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 57.870306][ T4751] 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. [ 57.875021][ T4751] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 57.878283][ T4751] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 57.879329][ T4751] 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. [ 57.883064][ T4751] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 57.915864][ T4751] device hsr_slave_0 entered promiscuous mode [ 57.964758][ T4751] device hsr_slave_1 entered promiscuous mode [ 58.606229][ T4751] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 58.645983][ T4751] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 58.686844][ T4751] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 58.725680][ T4751] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 58.789375][ T4751] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.793882][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.795641][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.797865][ T4751] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.801459][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.803942][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.806804][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.807930][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.818481][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.822985][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.824953][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.826529][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.827734][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.829326][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.831123][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.833054][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.836877][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.838432][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.845609][ T4751] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 58.847358][ T4751] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 58.850395][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.852018][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.853783][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.862617][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.865823][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.867415][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.870069][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.909778][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.911183][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.915216][ T4751] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.922864][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 58.924476][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 58.931826][ T4751] device veth0_vlan entered promiscuous mode [ 58.936515][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 58.938224][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 58.939848][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 58.941233][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 58.945383][ T4751] device veth1_vlan entered promiscuous mode [ 58.953179][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 58.954678][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 58.956122][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 58.957542][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 58.960862][ T4751] device veth0_macvtap entered promiscuous mode [ 58.965602][ T4751] device veth1_macvtap entered promiscuous mode [ 58.972310][ T4751] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 58.973428][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 58.975008][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 58.976484][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 58.977911][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 58.982257][ T4751] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 58.983321][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 58.985563][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 58.990063][ T4751] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.991335][ T4751] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.992515][ T4751] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.993703][ T4751] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:59 executed programs: 0 [ 59.388391][ T4909] chnl_net:caif_netlink_parms(): no params data found [ 59.398641][ T4892] chnl_net:caif_netlink_parms(): no params data found [ 59.446655][ T4898] chnl_net:caif_netlink_parms(): no params data found [ 59.469253][ T4903] chnl_net:caif_netlink_parms(): no params data found [ 59.524925][ T4892] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.526176][ T4892] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.527766][ T4892] device bridge_slave_0 entered promiscuous mode [ 59.529814][ T4892] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.530840][ T4892] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.532379][ T4892] device bridge_slave_1 entered promiscuous mode [ 59.533890][ T4909] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.535302][ T4909] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.536843][ T4909] device bridge_slave_0 entered promiscuous mode [ 59.550517][ T4909] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.551825][ T4909] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.553348][ T4909] device bridge_slave_1 entered promiscuous mode [ 59.562979][ T4898] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.564612][ T4898] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.566157][ T4898] device bridge_slave_0 entered promiscuous mode [ 59.568301][ T4898] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.569476][ T4898] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.570998][ T4898] device bridge_slave_1 entered promiscuous mode [ 59.587807][ T4892] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.597138][ T4910] chnl_net:caif_netlink_parms(): no params data found [ 59.605227][ T4903] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.606518][ T4903] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.608199][ T4903] device bridge_slave_0 entered promiscuous mode [ 59.610882][ T4892] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.617205][ T4909] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.623299][ T4898] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.626759][ T4898] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.634603][ T4903] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.635730][ T4903] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.637205][ T4903] device bridge_slave_1 entered promiscuous mode [ 59.649682][ T4909] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.663105][ T4892] team0: Port device team_slave_0 added [ 59.672002][ T4903] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.678658][ T4898] team0: Port device team_slave_0 added [ 59.680395][ T4892] team0: Port device team_slave_1 added [ 59.692604][ T4903] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.695376][ T4909] team0: Port device team_slave_0 added [ 59.703087][ T4898] team0: Port device team_slave_1 added [ 59.709505][ T4892] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 59.710671][ T4892] 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. [ 59.715593][ T4892] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 59.718296][ T4909] team0: Port device team_slave_1 added [ 59.722254][ T4910] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.723433][ T4910] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.726142][ T4910] device bridge_slave_0 entered promiscuous mode [ 59.728622][ T4910] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.729707][ T4910] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.731264][ T4910] device bridge_slave_1 entered promiscuous mode [ 59.743555][ T4892] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 59.746508][ T4892] 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. [ 59.750223][ T4892] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 59.756752][ T4903] team0: Port device team_slave_0 added [ 59.763769][ T4910] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.766636][ T4910] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.771202][ T4898] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 59.772257][ T4898] 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. [ 59.776869][ T4898] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 59.787936][ T4903] team0: Port device team_slave_1 added [ 59.797030][ T4910] team0: Port device team_slave_0 added [ 59.799240][ T4910] team0: Port device team_slave_1 added [ 59.804792][ T4909] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 59.806033][ T4909] 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. [ 59.810354][ T4909] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 59.816995][ T4909] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 59.818129][ T4909] 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. [ 59.822153][ T4909] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 59.830807][ T4898] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 59.831905][ T4898] 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. [ 59.837498][ T4898] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 59.865591][ T4892] device hsr_slave_0 entered promiscuous mode [ 59.914669][ T4892] device hsr_slave_1 entered promiscuous mode [ 59.925200][ T4892] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 59.926349][ T4892] Cannot create hsr debugfs directory [ 59.930902][ T4903] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 59.931968][ T4903] 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. [ 59.936580][ T4903] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 59.946097][ T4910] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 59.947171][ T4910] 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. [ 59.952339][ T4910] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 59.980908][ T4903] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 59.982051][ T4903] 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. [ 59.987182][ T4903] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 60.026118][ T4909] device hsr_slave_0 entered promiscuous mode [ 60.064494][ T4909] device hsr_slave_1 entered promiscuous mode [ 60.075098][ T4909] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 60.076347][ T4909] Cannot create hsr debugfs directory [ 60.077757][ T4910] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 60.078824][ T4910] 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. [ 60.082865][ T4910] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 60.146049][ T4898] device hsr_slave_0 entered promiscuous mode [ 60.184815][ T4898] device hsr_slave_1 entered promiscuous mode [ 60.234536][ T4898] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 60.235721][ T4898] Cannot create hsr debugfs directory [ 60.295839][ T4903] device hsr_slave_0 entered promiscuous mode [ 60.344934][ T4903] device hsr_slave_1 entered promiscuous mode [ 60.384290][ T4903] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 60.385458][ T4903] Cannot create hsr debugfs directory [ 60.465446][ T4910] device hsr_slave_0 entered promiscuous mode [ 60.504351][ T4910] device hsr_slave_1 entered promiscuous mode [ 60.554163][ T4910] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 60.555381][ T4910] Cannot create hsr debugfs directory [ 61.080627][ T4909] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 61.125858][ T4909] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 61.148540][ T25] Bluetooth: hci0: command 0x0409 tx timeout [ 61.156375][ T4909] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 61.213713][ T4898] netdevsim netdevsim1 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 61.217646][ T4903] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 61.224474][ T4159] Bluetooth: hci2: command 0x0409 tx timeout [ 61.226173][ T4159] Bluetooth: hci1: command 0x0409 tx timeout [ 61.255722][ T4909] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 61.289047][ T4903] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 61.304327][ T4162] Bluetooth: hci4: command 0x0409 tx timeout [ 61.305475][ T4162] Bluetooth: hci3: command 0x0409 tx timeout [ 61.337951][ T4903] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 61.385702][ T4903] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 61.502199][ T4909] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.518627][ T4903] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.528445][ T1696] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.530044][ T1696] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.533422][ T4909] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.537505][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.539041][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.542242][ T4903] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.550691][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.552102][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.553661][ T356] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.554842][ T356] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.560054][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.561726][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.563472][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.568002][ T356] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.569211][ T356] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.577805][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.579329][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.581066][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.582681][ T356] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.583902][ T356] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.588306][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.589988][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.601554][ T1696] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.603432][ T1696] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.605893][ T1696] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.607056][ T1696] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.608588][ T1696] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.612966][ T1696] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.618032][ T1696] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.619706][ T1696] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.621417][ T1696] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.625252][ T1696] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.629223][ T1696] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.631027][ T1696] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.633241][ T1696] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.642063][ T4909] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 61.643801][ T4909] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 61.649208][ T1696] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.650768][ T1696] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.653632][ T1696] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.657302][ T1696] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.658870][ T1696] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.668382][ T4903] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 61.670066][ T4903] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 61.672776][ T1696] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.674584][ T1696] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.677072][ T1696] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.678677][ T1696] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.680147][ T1696] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.681872][ T1696] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.683390][ T1696] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.687975][ T1696] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.740731][ T4909] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.744571][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.745791][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.755955][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 61.757618][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 61.771255][ T4909] device veth0_vlan entered promiscuous mode [ 61.772603][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 61.775861][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 61.778171][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 61.785662][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 61.790651][ T4909] device veth1_vlan entered promiscuous mode [ 61.798235][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 61.799746][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 61.801225][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.802462][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.812189][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 61.813767][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 61.818187][ T4909] device veth0_macvtap entered promiscuous mode [ 61.820594][ T4903] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.824816][ T4909] device veth1_macvtap entered promiscuous mode [ 61.831887][ T4909] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 61.833682][ T4909] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 61.840656][ T4909] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 61.851191][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 61.852942][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 61.855767][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 61.857322][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 61.860648][ T4909] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 61.864676][ T4909] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 61.867304][ T4909] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 61.869198][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 61.870861][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 61.876396][ T1696] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 61.877901][ T1696] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 61.880914][ T4909] netdevsim netdevsim3 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.882226][ T4909] netdevsim netdevsim3 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.883697][ T4909] netdevsim netdevsim3 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.886447][ T4909] netdevsim netdevsim3 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.901123][ T4903] device veth0_vlan entered promiscuous mode [ 61.905985][ T1696] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 61.907485][ T1696] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 61.909126][ T1696] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 61.910901][ T1696] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 61.920256][ T4903] device veth1_vlan entered promiscuous mode [ 61.951011][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 61.952700][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 61.954570][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 61.956113][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 61.959487][ T4903] device veth0_macvtap entered promiscuous mode [ 61.968536][ T4903] device veth1_macvtap entered promiscuous mode [ 61.969078][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 61.970813][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 61.978372][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 61.980300][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 61.981862][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 61.988430][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 61.989782][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 61.991754][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 61.996725][ T4903] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 61.998275][ T4903] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 61.999757][ T4903] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 62.001358][ T4903] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 62.003543][ T4903] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 62.008814][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 62.010628][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 62.021663][ T4903] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 62.023315][ T4903] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 62.025295][ T4903] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 62.026866][ T4903] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 62.029037][ T4903] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 62.030220][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 62.045386][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 62.049986][ T4903] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.051449][ T4903] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.069516][ T4903] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.070939][ T4903] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.130754][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 62.132034][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 62.133833][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 62.159605][ T1696] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 62.160934][ T1696] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 62.162666][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 62.282537][ T5165] loop3: detected capacity change from 0 to 32768 [ 62.332015][ T5165] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 62.333490][ T5165] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 62.359076][ T5165] gfs2: fsid=syz:syz.s: journal 0 mapped with 1 extents in 0ms [ 62.432107][ T5165] gfs2: fsid=syz:syz.s: first mount done, others may mount [ 62.458497][ T5174] loop2: detected capacity change from 0 to 32768 [ 62.531071][ T5174] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 62.532309][ T5174] CPU: 1 PID: 5174 Comm: syz.2.17 Not tainted syzkaller #0 [ 62.533268][ T5174] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 62.534622][ T5174] Call trace: [ 62.535093][ T5174] dump_backtrace+0x0/0x43c [ 62.535771][ T5174] show_stack+0x2c/0x3c [ 62.536471][ T5174] __dump_stack+0x30/0x40 [ 62.537187][ T5174] dump_stack_lvl+0xf8/0x160 [ 62.537932][ T5174] dump_stack+0x1c/0x5c [ 62.538602][ T5174] sysfs_create_dir_ns+0x22c/0x24c [ 62.539446][ T5174] kobject_add_internal+0x590/0xc54 [ 62.540259][ T5174] kobject_init_and_add+0x118/0x17c [ 62.541148][ T5174] gfs2_sys_fs_add+0x1dc/0x3d8 [ 62.541954][ T5174] gfs2_fill_super+0xdac/0x19e0 [ 62.542730][ T5174] get_tree_bdev+0x358/0x544 [ 62.543460][ T5174] gfs2_get_tree+0x54/0x1b4 [ 62.544207][ T5174] vfs_get_tree+0x90/0x274 [ 62.544972][ T5174] do_new_mount+0x228/0x810 [ 62.545746][ T5174] path_mount+0x5b4/0x1000 [ 62.546523][ T5174] __arm64_sys_mount+0x514/0x5e4 [ 62.547321][ T5174] invoke_syscall+0x98/0x2b8 [ 62.548094][ T5174] el0_svc_common+0x138/0x258 [ 62.548854][ T5174] do_el0_svc+0x58/0x14c [ 62.549543][ T5174] el0_svc+0x78/0x1e0 [ 62.550152][ T5174] el0t_64_sync_handler+0xcc/0xe4 [ 62.550946][ T5174] el0t_64_sync+0x1a0/0x1a4 [ 62.582445][ T5174] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 62.594190][ T5174] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 62.827747][ T5174] loop2: detected capacity change from 0 to 32768 [ 62.912887][ T5174] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 62.919451][ T5174] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 62.941866][ T5174] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms [ 62.945226][ T5118] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 62.946381][ T5118] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 62.982814][ T5118] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 36ms [ 62.984598][ T5118] gfs2: fsid=syz:syz.0: jid=0: Done [ 62.985738][ T5174] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 63.085011][ T5174] gfs2: fsid=syz:syz.0: can't make FS RW: -5 [ 63.088164][ T149] [ 63.088554][ T149] ====================================================== [ 63.089707][ T149] WARNING: possible circular locking dependency detected [ 63.090877][ T149] syzkaller #0 Not tainted [ 63.091574][ T149] ------------------------------------------------------ [ 63.092629][ T149] kworker/0:1H/149 is trying to acquire lock: [ 63.093577][ T149] ffff0000d8fc00e0 (&type->s_umount_key#50){+.+.}-{3:3}, at: freeze_super+0x54/0x374 [ 63.095017][ T149] [ 63.095017][ T149] but task is already holding lock: [ 63.096214][ T149] ffff80001bdf7c00 ((work_completion)(&(&gl->gl_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6b8/0x1140 [ 63.098115][ T149] [ 63.098115][ T149] which lock already depends on the new lock. [ 63.098115][ T149] [ 63.099265][ T5212] loop3: detected capacity change from 0 to 32768 [ 63.099691][ T149] [ 63.099691][ T149] the existing dependency chain (in reverse order) is: [ 63.099698][ T149] [ 63.099698][ T149] -> #2 ((work_completion)(&(&gl->gl_work)->work)){+.+.}-{0:0}: [ 63.103725][ T149] process_one_work+0x6e0/0x1140 [ 63.104558][ T149] worker_thread+0x8f4/0x101c [ 63.105337][ T149] kthread+0x374/0x454 [ 63.106072][ T149] ret_from_fork+0x10/0x20 [ 63.106840][ T149] [ 63.106840][ T149] -> #1 ((wq_completion)glock_workqueue){+.+.}-{0:0}: [ 63.108325][ T149] flush_workqueue+0x11c/0x1024 [ 63.109176][ T149] gfs2_gl_hash_clear+0xb8/0x2cc [ 63.110055][ T149] gfs2_put_super+0x614/0x6bc [ 63.110904][ T149] generic_shutdown_super+0x130/0x2f0 [ 63.111810][ T149] kill_block_super+0x70/0xdc [ 63.112564][ T149] gfs2_kill_sb+0xc0/0xd4 [ 63.113339][ T149] deactivate_locked_super+0xb8/0x13c [ 63.114295][ T149] deactivate_super+0xf8/0x118 [ 63.115140][ T149] cleanup_mnt+0x3a4/0x458 [ 63.115946][ T149] __cleanup_mnt+0x20/0x30 [ 63.116770][ T149] task_work_run+0x12c/0x1e0 [ 63.117667][ T149] do_notify_resume+0x24b4/0x3128 [ 63.118511][ T149] el0_svc+0xf0/0x1e0 [ 63.119212][ T149] el0t_64_sync_handler+0xcc/0xe4 [ 63.120016][ T149] el0t_64_sync+0x1a0/0x1a4 [ 63.120810][ T149] [ 63.120810][ T149] -> #0 (&type->s_umount_key#50){+.+.}-{3:3}: [ 63.122086][ T149] __lock_acquire+0x2928/0x651c [ 63.122921][ T149] lock_acquire+0x1f4/0x620 [ 63.123746][ T149] down_write+0xbc/0x12c [ 63.124536][ T149] freeze_super+0x54/0x374 [ 63.125319][ T149] freeze_go_sync+0x128/0x31c [ 63.126129][ T149] do_xmote+0x2ec/0xf90 [ 63.126786][ T149] run_queue+0x3fc/0x6c0 [ 63.127511][ T149] glock_work_func+0x208/0x458 [ 63.128364][ T149] process_one_work+0x79c/0x1140 [ 63.129289][ T149] worker_thread+0x8f4/0x101c [ 63.130114][ T149] kthread+0x374/0x454 [ 63.130849][ T149] ret_from_fork+0x10/0x20 [ 63.131653][ T149] [ 63.131653][ T149] other info that might help us debug this: [ 63.131653][ T149] [ 63.133185][ T149] Chain exists of: [ 63.133185][ T149] &type->s_umount_key#50 --> (wq_completion)glock_workqueue --> (work_completion)(&(&gl->gl_work)->work) [ 63.133185][ T149] [ 63.136010][ T149] Possible unsafe locking scenario: [ 63.136010][ T149] [ 63.137281][ T149] CPU0 CPU1 [ 63.138147][ T149] ---- ---- [ 63.139063][ T149] lock((work_completion)(&(&gl->gl_work)->work)); [ 63.140136][ T149] lock((wq_completion)glock_workqueue); [ 63.141477][ T149] lock((work_completion)(&(&gl->gl_work)->work)); [ 63.142922][ T149] lock(&type->s_umount_key#50); [ 63.143726][ T149] [ 63.143726][ T149] *** DEADLOCK *** [ 63.143726][ T149] [ 63.145010][ T149] 2 locks held by kworker/0:1H/149: [ 63.145775][ T149] #0: ffff0000c686d938 ((wq_completion)glock_workqueue){+.+.}-{0:0}, at: process_one_work+0x678/0x1140 [ 63.147342][ T149] #1: ffff80001bdf7c00 ((work_completion)(&(&gl->gl_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6b8/0x1140 [ 63.149311][ T149] [ 63.149311][ T149] stack backtrace: [ 63.150252][ T149] CPU: 0 PID: 149 Comm: kworker/0:1H Not tainted syzkaller #0 [ 63.151367][ T149] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 63.152749][ T149] Workqueue: glock_workqueue glock_work_func [ 63.153602][ T149] Call trace: [ 63.154047][ T149] dump_backtrace+0x0/0x43c [ 63.154667][ T149] show_stack+0x2c/0x3c [ 63.155231][ T149] __dump_stack+0x30/0x40 [ 63.155911][ T149] dump_stack_lvl+0xf8/0x160 [ 63.156629][ T149] dump_stack+0x1c/0x5c [ 63.157243][ T149] print_circular_bug+0x148/0x1b0 [ 63.158044][ T149] check_noncircular+0x240/0x2d4 [ 63.158897][ T149] __lock_acquire+0x2928/0x651c [ 63.159650][ T149] lock_acquire+0x1f4/0x620 [ 63.160399][ T149] down_write+0xbc/0x12c [ 63.161102][ T149] freeze_super+0x54/0x374 [ 63.161774][ T149] freeze_go_sync+0x128/0x31c [ 63.162493][ T149] do_xmote+0x2ec/0xf90 [ 63.163158][ T149] run_queue+0x3fc/0x6c0 [ 63.163835][ T149] glock_work_func+0x208/0x458 [ 63.164548][ T149] process_one_work+0x79c/0x1140 [ 63.165267][ T149] worker_thread+0x8f4/0x101c [ 63.165982][ T149] kthread+0x374/0x454 [ 63.166624][ T149] ret_from_fork+0x10/0x20 [ 63.178632][ T5212] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 63.180003][ T5212] CPU: 1 PID: 5212 Comm: syz.3.20 Not tainted syzkaller #0 [ 63.181173][ T5212] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 63.182709][ T5212] Call trace: [ 63.183211][ T5212] dump_backtrace+0x0/0x43c [ 63.183976][ T5212] show_stack+0x2c/0x3c [ 63.184680][ T5212] __dump_stack+0x30/0x40 [ 63.185300][ T5212] dump_stack_lvl+0xf8/0x160 [ 63.186050][ T5212] dump_stack+0x1c/0x5c [ 63.186669][ T5212] sysfs_create_dir_ns+0x22c/0x24c [ 63.187534][ T5212] kobject_add_internal+0x590/0xc54 [ 63.188331][ T5212] kobject_init_and_add+0x118/0x17c [ 63.189129][ T5212] gfs2_sys_fs_add+0x1dc/0x3d8 [ 63.189900][ T5212] gfs2_fill_super+0xdac/0x19e0 [ 63.190689][ T5212] get_tree_bdev+0x358/0x544 [ 63.191368][ T5212] gfs2_get_tree+0x54/0x1b4 [ 63.192103][ T5212] vfs_get_tree+0x90/0x274 [ 63.192740][ T5212] do_new_mount+0x228/0x810 [ 63.193439][ T5212] path_mount+0x5b4/0x1000 [ 63.194110][ T5212] __arm64_sys_mount+0x514/0x5e4 [ 63.194909][ T5212] invoke_syscall+0x98/0x2b8 [ 63.195626][ T5212] el0_svc_common+0x138/0x258 [ 63.196287][ T5212] do_el0_svc+0x58/0x14c [ 63.196922][ T5212] el0_svc+0x78/0x1e0 [ 63.197505][ T5212] el0t_64_sync_handler+0xcc/0xe4 [ 63.198230][ T5212] el0t_64_sync+0x1a0/0x1a4 [ 63.224582][ T13] Bluetooth: hci0: command 0x041b tx timeout [ 63.250133][ T5212] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 63.252176][ T5212] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 63.304812][ T4155] Bluetooth: hci1: command 0x041b tx timeout [ 63.305818][ T4155] Bluetooth: hci2: command 0x041b tx timeout [ 63.374324][ T5212] loop3: detected capacity change from 0 to 32768 [ 63.384568][ T13] Bluetooth: hci3: command 0x041b tx timeout [ 63.385543][ T13] Bluetooth: hci4: command 0x041b tx timeout [ 63.416511][ T5212] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 63.417718][ T5212] CPU: 0 PID: 5212 Comm: syz.3.20 Not tainted syzkaller #0 [ 63.418851][ T5212] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 63.420434][ T5212] Call trace: [ 63.420958][ T5212] dump_backtrace+0x0/0x43c [ 63.421626][ T5212] show_stack+0x2c/0x3c [ 63.422278][ T5212] __dump_stack+0x30/0x40 [ 63.422940][ T5212] dump_stack_lvl+0xf8/0x160 [ 63.423692][ T5212] dump_stack+0x1c/0x5c [ 63.424324][ T5212] sysfs_create_dir_ns+0x22c/0x24c [ 63.425127][ T5212] kobject_add_internal+0x590/0xc54 [ 63.425901][ T5212] kobject_init_and_add+0x118/0x17c [ 63.426638][ T5212] gfs2_sys_fs_add+0x1dc/0x3d8 [ 63.427382][ T5212] gfs2_fill_super+0xdac/0x19e0 [ 63.428120][ T5212] get_tree_bdev+0x358/0x544 [ 63.428802][ T5212] gfs2_get_tree+0x54/0x1b4 [ 63.429464][ T5212] vfs_get_tree+0x90/0x274 [ 63.430110][ T5212] do_new_mount+0x228/0x810 [ 63.430772][ T5212] path_mount+0x5b4/0x1000 [ 63.431411][ T5212] __arm64_sys_mount+0x514/0x5e4 [ 63.432111][ T5212] invoke_syscall+0x98/0x2b8 [ 63.432746][ T5212] el0_svc_common+0x138/0x258 [ 63.433454][ T5212] do_el0_svc+0x58/0x14c [ 63.434115][ T5212] el0_svc+0x78/0x1e0 [ 63.434740][ T5212] el0t_64_sync_handler+0xcc/0xe4 [ 63.435495][ T5212] el0t_64_sync+0x1a0/0x1a4 [ 63.443339][ T5212] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 63.447442][ T5212] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 63.589082][ T5263] loop3: detected capacity change from 0 to 32768 [ 63.597596][ T5263] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 63.598869][ T5263] CPU: 1 PID: 5263 Comm: syz.3.21 Not tainted syzkaller #0 [ 63.599980][ T5263] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 63.601598][ T5263] Call trace: [ 63.602139][ T5263] dump_backtrace+0x0/0x43c [ 63.602882][ T5263] show_stack+0x2c/0x3c [ 63.603589][ T5263] __dump_stack+0x30/0x40 [ 63.604365][ T5263] dump_stack_lvl+0xf8/0x160 [ 63.605151][ T5263] dump_stack+0x1c/0x5c [ 63.605864][ T5263] sysfs_create_dir_ns+0x22c/0x24c [ 63.606709][ T5263] kobject_add_internal+0x590/0xc54 [ 63.607580][ T5263] kobject_init_and_add+0x118/0x17c [ 63.608440][ T5263] gfs2_sys_fs_add+0x1dc/0x3d8 [ 63.609234][ T5263] gfs2_fill_super+0xdac/0x19e0 [ 63.610027][ T5263] get_tree_bdev+0x358/0x544 [ 63.610743][ T5263] gfs2_get_tree+0x54/0x1b4 [ 63.611440][ T5263] vfs_get_tree+0x90/0x274 [ 63.612202][ T5263] do_new_mount+0x228/0x810 [ 63.612918][ T5263] path_mount+0x5b4/0x1000 [ 63.613622][ T5263] __arm64_sys_mount+0x514/0x5e4 [ 63.614446][ T5263] invoke_syscall+0x98/0x2b8 [ 63.615182][ T5263] el0_svc_common+0x138/0x258 [ 63.615941][ T5263] do_el0_svc+0x58/0x14c [ 63.616552][ T5263] el0_svc+0x78/0x1e0 [ 63.617127][ T5263] el0t_64_sync_handler+0xcc/0xe4 [ 63.617948][ T5263] el0t_64_sync+0x1a0/0x1a4 [ 63.619626][ T5263] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 63.621383][ T5263] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 63.716785][ T5263] loop3: detected capacity change from 0 to 32768 [ 63.722354][ T5263] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 63.723524][ T5263] CPU: 1 PID: 5263 Comm: syz.3.21 Not tainted syzkaller #0 [ 63.724579][ T5263] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 63.725924][ T5263] Call trace: [ 63.726355][ T5263] dump_backtrace+0x0/0x43c [ 63.726981][ T5263] show_stack+0x2c/0x3c [ 63.727668][ T5263] __dump_stack+0x30/0x40 [ 63.728262][ T5263] dump_stack_lvl+0xf8/0x160 [ 63.728902][ T5263] dump_stack+0x1c/0x5c [ 63.729472][ T5263] sysfs_create_dir_ns+0x22c/0x24c [ 63.730295][ T5263] kobject_add_internal+0x590/0xc54 [ 63.731111][ T5263] kobject_init_and_add+0x118/0x17c [ 63.731850][ T5263] gfs2_sys_fs_add+0x1dc/0x3d8 [ 63.732519][ T5263] gfs2_fill_super+0xdac/0x19e0 [ 63.733336][ T5263] get_tree_bdev+0x358/0x544 [ 63.734097][ T5263] gfs2_get_tree+0x54/0x1b4 [ 63.734795][ T5263] vfs_get_tree+0x90/0x274 [ 63.735494][ T5263] do_new_mount+0x228/0x810 [ 63.736262][ T5263] path_mount+0x5b4/0x1000 [ 63.737013][ T5263] __arm64_sys_mount+0x514/0x5e4 [ 63.737808][ T5263] invoke_syscall+0x98/0x2b8 [ 63.738548][ T5263] el0_svc_common+0x138/0x258 [ 63.739335][ T5263] do_el0_svc+0x58/0x14c [ 63.740018][ T5263] el0_svc+0x78/0x1e0 [ 63.740608][ T5263] el0t_64_sync_handler+0xcc/0xe4 [ 63.741361][ T5263] el0t_64_sync+0x1a0/0x1a4 [ 63.742547][ T5263] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 63.744374][ T5263] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 63.883427][ T5282] loop3: detected capacity change from 0 to 32768 [ 63.893530][ T5282] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 63.898329][ T5282] CPU: 0 PID: 5282 Comm: syz.3.22 Not tainted syzkaller #0 [ 63.899432][ T5282] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 63.900870][ T5282] Call trace: [ 63.901279][ T5282] dump_backtrace+0x0/0x43c [ 63.901940][ T5282] show_stack+0x2c/0x3c [ 63.902541][ T5282] __dump_stack+0x30/0x40 [ 63.903201][ T5282] dump_stack_lvl+0xf8/0x160 [ 63.903850][ T5282] dump_stack+0x1c/0x5c [ 63.904445][ T5282] sysfs_create_dir_ns+0x22c/0x24c [ 63.905149][ T5282] kobject_add_internal+0x590/0xc54 [ 63.905861][ T5282] kobject_init_and_add+0x118/0x17c [ 63.906566][ T5282] gfs2_sys_fs_add+0x1dc/0x3d8 [ 63.907213][ T5282] gfs2_fill_super+0xdac/0x19e0 [ 63.908011][ T5282] get_tree_bdev+0x358/0x544 [ 63.908673][ T5282] gfs2_get_tree+0x54/0x1b4 [ 63.909375][ T5282] vfs_get_tree+0x90/0x274 [ 63.910009][ T5282] do_new_mount+0x228/0x810 [ 63.910627][ T5282] path_mount+0x5b4/0x1000 [ 63.911248][ T5282] __arm64_sys_mount+0x514/0x5e4 [ 63.911951][ T5282] invoke_syscall+0x98/0x2b8 [ 63.912587][ T5282] el0_svc_common+0x138/0x258 [ 63.913265][ T5282] do_el0_svc+0x58/0x14c [ 63.913852][ T5282] el0_svc+0x78/0x1e0 [ 63.914511][ T5282] el0t_64_sync_handler+0xcc/0xe4 [ 63.915274][ T5282] el0t_64_sync+0x1a0/0x1a4 [ 63.924273][ T5282] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 63.926270][ T5282] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 64.132878][ T5282] loop3: detected capacity change from 0 to 32768 [ 64.167603][ T5282] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 64.168887][ T5282] CPU: 1 PID: 5282 Comm: syz.3.22 Not tainted syzkaller #0 [ 64.169958][ T5282] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 64.171412][ T5282] Call trace: [ 64.171900][ T5282] dump_backtrace+0x0/0x43c [ 64.172557][ T5282] show_stack+0x2c/0x3c [ 64.173162][ T5282] __dump_stack+0x30/0x40 [ 64.173822][ T5282] dump_stack_lvl+0xf8/0x160 [ 64.174518][ T5282] dump_stack+0x1c/0x5c [ 64.175138][ T5282] sysfs_create_dir_ns+0x22c/0x24c [ 64.175922][ T5282] kobject_add_internal+0x590/0xc54 [ 64.176748][ T5282] kobject_init_and_add+0x118/0x17c [ 64.177572][ T5282] gfs2_sys_fs_add+0x1dc/0x3d8 [ 64.178359][ T5282] gfs2_fill_super+0xdac/0x19e0 [ 64.179078][ T5282] get_tree_bdev+0x358/0x544 [ 64.179807][ T5282] gfs2_get_tree+0x54/0x1b4 [ 64.180550][ T5282] vfs_get_tree+0x90/0x274 [ 64.181238][ T5282] do_new_mount+0x228/0x810 [ 64.181945][ T5282] path_mount+0x5b4/0x1000 [ 64.182690][ T5282] __arm64_sys_mount+0x514/0x5e4 [ 64.183509][ T5282] invoke_syscall+0x98/0x2b8 [ 64.184210][ T5282] el0_svc_common+0x138/0x258 [ 64.185025][ T5282] do_el0_svc+0x58/0x14c [ 64.185771][ T5282] el0_svc+0x78/0x1e0 [ 64.186372][ T5282] el0t_64_sync_handler+0xcc/0xe4 [ 64.187131][ T5282] el0t_64_sync+0x1a0/0x1a4 [ 64.191136][ T5282] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 64.193397][ T5282] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:01:04 executed programs: 15 [ 64.322484][ T5345] loop3: detected capacity change from 0 to 32768 [ 64.332070][ T5345] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 64.333331][ T5345] CPU: 0 PID: 5345 Comm: syz.3.23 Not tainted syzkaller #0 [ 64.334499][ T5345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 64.335963][ T5345] Call trace: [ 64.336416][ T5345] dump_backtrace+0x0/0x43c [ 64.337051][ T5345] show_stack+0x2c/0x3c [ 64.337726][ T5345] __dump_stack+0x30/0x40 [ 64.338373][ T5345] dump_stack_lvl+0xf8/0x160 [ 64.339108][ T5345] dump_stack+0x1c/0x5c [ 64.339782][ T5345] sysfs_create_dir_ns+0x22c/0x24c [ 64.340559][ T5345] kobject_add_internal+0x590/0xc54 [ 64.341292][ T5345] kobject_init_and_add+0x118/0x17c [ 64.342043][ T5345] gfs2_sys_fs_add+0x1dc/0x3d8 [ 64.342794][ T5345] gfs2_fill_super+0xdac/0x19e0 [ 64.343652][ T5345] get_tree_bdev+0x358/0x544 [ 64.344448][ T5345] gfs2_get_tree+0x54/0x1b4 [ 64.345175][ T5345] vfs_get_tree+0x90/0x274 [ 64.345898][ T5345] do_new_mount+0x228/0x810 [ 64.346626][ T5345] path_mount+0x5b4/0x1000 [ 64.347325][ T5345] __arm64_sys_mount+0x514/0x5e4 [ 64.348107][ T5345] invoke_syscall+0x98/0x2b8 [ 64.348786][ T5345] el0_svc_common+0x138/0x258 [ 64.349577][ T5345] do_el0_svc+0x58/0x14c [ 64.350326][ T5345] el0_svc+0x78/0x1e0 [ 64.350927][ T5345] el0t_64_sync_handler+0xcc/0xe4 [ 64.351760][ T5345] el0t_64_sync+0x1a0/0x1a4 [ 64.353700][ T5345] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 64.356204][ T5345] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 64.527029][ T4898] netdevsim netdevsim1 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 64.570260][ T5345] loop3: detected capacity change from 0 to 32768 [ 64.581077][ T4898] netdevsim netdevsim1 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 64.602514][ T5345] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 64.603779][ T5345] CPU: 1 PID: 5345 Comm: syz.3.23 Not tainted syzkaller #0 [ 64.604972][ T5345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 64.606511][ T5345] Call trace: [ 64.607061][ T5345] dump_backtrace+0x0/0x43c [ 64.607806][ T5345] show_stack+0x2c/0x3c [ 64.608506][ T5345] __dump_stack+0x30/0x40 [ 64.609170][ T5345] dump_stack_lvl+0xf8/0x160 [ 64.609897][ T5345] dump_stack+0x1c/0x5c [ 64.610535][ T5345] sysfs_create_dir_ns+0x22c/0x24c [ 64.611324][ T5345] kobject_add_internal+0x590/0xc54 [ 64.612162][ T5345] kobject_init_and_add+0x118/0x17c [ 64.612923][ T5345] gfs2_sys_fs_add+0x1dc/0x3d8 [ 64.613685][ T5345] gfs2_fill_super+0xdac/0x19e0 [ 64.614471][ T5345] get_tree_bdev+0x358/0x544 [ 64.615151][ T5345] gfs2_get_tree+0x54/0x1b4 [ 64.615929][ T5345] vfs_get_tree+0x90/0x274 [ 64.616687][ T5345] do_new_mount+0x228/0x810 [ 64.617418][ T5345] path_mount+0x5b4/0x1000 [ 64.618077][ T5345] __arm64_sys_mount+0x514/0x5e4 [ 64.618782][ T5345] invoke_syscall+0x98/0x2b8 [ 64.619576][ T5345] el0_svc_common+0x138/0x258 [ 64.620273][ T5345] do_el0_svc+0x58/0x14c [ 64.620987][ T5345] el0_svc+0x78/0x1e0 [ 64.621633][ T5345] el0t_64_sync_handler+0xcc/0xe4 [ 64.622475][ T5345] el0t_64_sync+0x1a0/0x1a4 [ 64.626322][ T5345] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 64.632687][ T5345] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 64.649779][ T4898] netdevsim netdevsim1 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 64.836877][ T4910] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 64.850594][ T5410] loop3: detected capacity change from 0 to 32768 [ 64.875972][ T4910] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 64.885109][ T5410] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 64.886230][ T5410] CPU: 0 PID: 5410 Comm: syz.3.24 Not tainted syzkaller #0 [ 64.887299][ T5410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 64.888741][ T5410] Call trace: [ 64.889201][ T5410] dump_backtrace+0x0/0x43c [ 64.889962][ T5410] show_stack+0x2c/0x3c [ 64.890656][ T5410] __dump_stack+0x30/0x40 [ 64.891382][ T5410] dump_stack_lvl+0xf8/0x160 [ 64.892120][ T5410] dump_stack+0x1c/0x5c [ 64.892830][ T5410] sysfs_create_dir_ns+0x22c/0x24c [ 64.893698][ T5410] kobject_add_internal+0x590/0xc54 [ 64.894538][ T5410] kobject_init_and_add+0x118/0x17c [ 64.895353][ T5410] gfs2_sys_fs_add+0x1dc/0x3d8 [ 64.896101][ T5410] gfs2_fill_super+0xdac/0x19e0 [ 64.896859][ T5410] get_tree_bdev+0x358/0x544 [ 64.897550][ T5410] gfs2_get_tree+0x54/0x1b4 [ 64.898310][ T5410] vfs_get_tree+0x90/0x274 [ 64.899057][ T5410] do_new_mount+0x228/0x810 [ 64.899778][ T5410] path_mount+0x5b4/0x1000 [ 64.900500][ T5410] __arm64_sys_mount+0x514/0x5e4 [ 64.901303][ T5410] invoke_syscall+0x98/0x2b8 [ 64.902033][ T5410] el0_svc_common+0x138/0x258 [ 64.902711][ T5410] do_el0_svc+0x58/0x14c [ 64.903366][ T5410] el0_svc+0x78/0x1e0 [ 64.904002][ T5410] el0t_64_sync_handler+0xcc/0xe4 [ 64.904798][ T5410] el0t_64_sync+0x1a0/0x1a4 [ 64.908022][ T4892] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 64.911389][ T5410] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 64.913216][ T5410] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 64.936971][ T4910] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 64.990124][ T4910] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 65.027148][ T4892] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 65.065279][ T4892] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 65.095388][ T5410] loop3: detected capacity change from 0 to 32768 [ 65.125330][ T4892] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 65.146468][ T5410] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 65.147692][ T5410] CPU: 0 PID: 5410 Comm: syz.3.24 Not tainted syzkaller #0 [ 65.148758][ T5410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 65.150279][ T5410] Call trace: [ 65.150761][ T5410] dump_backtrace+0x0/0x43c [ 65.151488][ T5410] show_stack+0x2c/0x3c [ 65.152177][ T5410] __dump_stack+0x30/0x40 [ 65.152851][ T5410] dump_stack_lvl+0xf8/0x160 [ 65.153587][ T5410] dump_stack+0x1c/0x5c [ 65.154238][ T5410] sysfs_create_dir_ns+0x22c/0x24c [ 65.155095][ T5410] kobject_add_internal+0x590/0xc54 [ 65.155933][ T5410] kobject_init_and_add+0x118/0x17c [ 65.156793][ T5410] gfs2_sys_fs_add+0x1dc/0x3d8 [ 65.157550][ T5410] gfs2_fill_super+0xdac/0x19e0 [ 65.158260][ T5410] get_tree_bdev+0x358/0x544 [ 65.158976][ T5410] gfs2_get_tree+0x54/0x1b4 [ 65.159742][ T5410] vfs_get_tree+0x90/0x274 [ 65.160489][ T5410] do_new_mount+0x228/0x810 [ 65.161182][ T5410] path_mount+0x5b4/0x1000 [ 65.161840][ T5410] __arm64_sys_mount+0x514/0x5e4 [ 65.162594][ T5410] invoke_syscall+0x98/0x2b8 [ 65.163332][ T5410] el0_svc_common+0x138/0x258 [ 65.164024][ T5410] do_el0_svc+0x58/0x14c [ 65.164696][ T5410] el0_svc+0x78/0x1e0 [ 65.165302][ T5410] el0t_64_sync_handler+0xcc/0xe4 [ 65.166156][ T5410] el0t_64_sync+0x1a0/0x1a4 [ 65.170215][ T5410] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 65.173086][ T5410] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 65.178025][ T4898] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 65.241332][ T4898] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 65.265430][ T4898] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 65.302888][ T4910] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.304087][ T4898] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 65.304658][ T1541] Bluetooth: hci0: command 0x040f tx timeout [ 65.314430][ T5450] loop3: detected capacity change from 0 to 32768 [ 65.372372][ T5450] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 65.372736][ T4910] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.373641][ T5450] CPU: 1 PID: 5450 Comm: syz.3.25 Not tainted syzkaller #0 [ 65.375910][ T5450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 65.377479][ T5450] Call trace: [ 65.377961][ T5450] dump_backtrace+0x0/0x43c [ 65.378691][ T5450] show_stack+0x2c/0x3c [ 65.379312][ T5450] __dump_stack+0x30/0x40 [ 65.379963][ T5450] dump_stack_lvl+0xf8/0x160 [ 65.380696][ T5450] dump_stack+0x1c/0x5c [ 65.381335][ T5450] sysfs_create_dir_ns+0x22c/0x24c [ 65.382097][ T5450] kobject_add_internal+0x590/0xc54 [ 65.382817][ T5450] kobject_init_and_add+0x118/0x17c [ 65.383625][ T5450] gfs2_sys_fs_add+0x1dc/0x3d8 [ 65.384384][ T5450] gfs2_fill_super+0xdac/0x19e0 [ 65.385154][ T5450] get_tree_bdev+0x358/0x544 [ 65.385821][ T5450] gfs2_get_tree+0x54/0x1b4 [ 65.386538][ T5450] vfs_get_tree+0x90/0x274 [ 65.387236][ T5450] do_new_mount+0x228/0x810 [ 65.387948][ T5450] path_mount+0x5b4/0x1000 [ 65.388659][ T5450] __arm64_sys_mount+0x514/0x5e4 [ 65.389408][ T5450] invoke_syscall+0x98/0x2b8 [ 65.390122][ T5450] el0_svc_common+0x138/0x258 [ 65.390794][ T5450] do_el0_svc+0x58/0x14c [ 65.391467][ T5450] el0_svc+0x78/0x1e0 [ 65.392130][ T5450] el0t_64_sync_handler+0xcc/0xe4 [ 65.392934][ T5450] el0t_64_sync+0x1a0/0x1a4 [ 65.394812][ T1541] Bluetooth: hci2: command 0x040f tx timeout [ 65.395270][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.395835][ T1541] Bluetooth: hci1: command 0x040f tx timeout [ 65.397114][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.415848][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.417450][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.418846][ T356] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.420022][ T356] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.421226][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.422668][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.424122][ T356] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.425200][ T356] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.428698][ T5450] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 65.430546][ T5450] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 65.432287][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.451853][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.453406][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.455421][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.457001][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.460564][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.464499][ T7] Bluetooth: hci4: command 0x040f tx timeout [ 65.465616][ T7] Bluetooth: hci3: command 0x040f tx timeout [ 65.466658][ T1696] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.468243][ T1696] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.475452][ T4892] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.478449][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.479863][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.482967][ T4898] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.496659][ T4910] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 65.503865][ T4910] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.515246][ T4892] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.517493][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.519052][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.520408][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.521729][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.528951][ T1696] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.530338][ T1696] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.532627][ T4898] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.565302][ T1696] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.566922][ T1696] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.568344][ T1696] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.569335][ T1696] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.570557][ T1696] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.571974][ T1696] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.573255][ T1696] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.574372][ T1696] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.586167][ T1696] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.590381][ T1696] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.592890][ T1696] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.603950][ T1696] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.605697][ T1696] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.607396][ T1696] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.609061][ T1696] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.611485][ T1696] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.613030][ T1696] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.618339][ T1696] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.646891][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.648648][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.650652][ T356] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.651734][ T356] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.652968][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.663206][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.664680][ T356] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.665765][ T356] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.667014][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.672189][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.674000][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.679299][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.680817][ T5450] loop3: detected capacity change from 0 to 32768 [ 65.680820][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.681137][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.685845][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.687274][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.688599][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.690199][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.691481][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.692871][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.696460][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.697973][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.700656][ T4892] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.703321][ T4898] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.717667][ T5450] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 65.718849][ T5450] CPU: 1 PID: 5450 Comm: syz.3.25 Not tainted syzkaller #0 [ 65.719933][ T5450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 65.721465][ T5450] Call trace: [ 65.722016][ T5450] dump_backtrace+0x0/0x43c [ 65.722836][ T5450] show_stack+0x2c/0x3c [ 65.723491][ T5450] __dump_stack+0x30/0x40 [ 65.724273][ T5450] dump_stack_lvl+0xf8/0x160 [ 65.725005][ T5450] dump_stack+0x1c/0x5c [ 65.725626][ T5450] sysfs_create_dir_ns+0x22c/0x24c [ 65.726391][ T5450] kobject_add_internal+0x590/0xc54 [ 65.727191][ T5450] kobject_init_and_add+0x118/0x17c [ 65.728045][ T5450] gfs2_sys_fs_add+0x1dc/0x3d8 [ 65.728832][ T5450] gfs2_fill_super+0xdac/0x19e0 [ 65.729611][ T5450] get_tree_bdev+0x358/0x544 [ 65.730331][ T5450] gfs2_get_tree+0x54/0x1b4 [ 65.731003][ T5450] vfs_get_tree+0x90/0x274 [ 65.731694][ T5450] do_new_mount+0x228/0x810 [ 65.732414][ T5450] path_mount+0x5b4/0x1000 [ 65.733130][ T5450] __arm64_sys_mount+0x514/0x5e4 [ 65.733882][ T5450] invoke_syscall+0x98/0x2b8 [ 65.734548][ T5450] el0_svc_common+0x138/0x258 [ 65.735251][ T5450] do_el0_svc+0x58/0x14c [ 65.735851][ T5450] el0_svc+0x78/0x1e0 [ 65.736466][ T5450] el0t_64_sync_handler+0xcc/0xe4 [ 65.737244][ T5450] el0t_64_sync+0x1a0/0x1a4 [ 65.747178][ T1696] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.748499][ T1696] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.757439][ T4910] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.766019][ T5450] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 65.768076][ T5450] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 65.827366][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.828758][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.839125][ T4892] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.849518][ T1696] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.850752][ T1696] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.865516][ T4898] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.907660][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 65.909216][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 65.927784][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 65.929403][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 65.931591][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 65.933003][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 65.937341][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 65.938777][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 65.959758][ T4892] device veth0_vlan entered promiscuous mode [ 65.972834][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 65.975655][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 65.977089][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 65.978480][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 65.982374][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 65.983757][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 65.986060][ T4898] device veth0_vlan entered promiscuous mode [ 65.990136][ T4892] device veth1_vlan entered promiscuous mode [ 65.996558][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 65.997977][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 65.999370][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 66.001858][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 66.003138][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 66.012740][ T5513] loop3: detected capacity change from 0 to 32768 [ 66.014672][ T4910] device veth0_vlan entered promiscuous mode [ 66.021394][ T4898] device veth1_vlan entered promiscuous mode [ 66.035381][ T4910] device veth1_vlan entered promiscuous mode [ 66.042602][ T4910] device veth0_macvtap entered promiscuous mode [ 66.053403][ T4898] device veth0_macvtap entered promiscuous mode [ 66.058349][ T5513] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 66.059600][ T5513] CPU: 1 PID: 5513 Comm: syz.3.26 Not tainted syzkaller #0 [ 66.060764][ T5513] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 66.062338][ T5513] Call trace: [ 66.062827][ T5513] dump_backtrace+0x0/0x43c [ 66.063507][ T5513] show_stack+0x2c/0x3c [ 66.064207][ T5513] __dump_stack+0x30/0x40 [ 66.064905][ T5513] dump_stack_lvl+0xf8/0x160 [ 66.065678][ T5513] dump_stack+0x1c/0x5c [ 66.066349][ T5513] sysfs_create_dir_ns+0x22c/0x24c [ 66.067165][ T5513] kobject_add_internal+0x590/0xc54 [ 66.068034][ T5513] kobject_init_and_add+0x118/0x17c [ 66.068848][ T5513] gfs2_sys_fs_add+0x1dc/0x3d8 [ 66.069604][ T5513] gfs2_fill_super+0xdac/0x19e0 [ 66.070364][ T5513] get_tree_bdev+0x358/0x544 [ 66.071017][ T5513] gfs2_get_tree+0x54/0x1b4 [ 66.071800][ T5513] vfs_get_tree+0x90/0x274 [ 66.072576][ T5513] do_new_mount+0x228/0x810 [ 66.073282][ T5513] path_mount+0x5b4/0x1000 [ 66.074007][ T5513] __arm64_sys_mount+0x514/0x5e4 [ 66.074783][ T5513] invoke_syscall+0x98/0x2b8 [ 66.075567][ T5513] el0_svc_common+0x138/0x258 [ 66.076360][ T5513] do_el0_svc+0x58/0x14c [ 66.077056][ T5513] el0_svc+0x78/0x1e0 [ 66.077763][ T5513] el0t_64_sync_handler+0xcc/0xe4 [ 66.078636][ T5513] el0t_64_sync+0x1a0/0x1a4 [ 66.087624][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 66.089140][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 66.090564][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 66.091872][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 66.093345][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 66.098289][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 66.100041][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 66.101476][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 66.103083][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 66.105930][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 66.107312][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 66.108829][ T5513] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 66.112068][ T4910] device veth1_macvtap entered promiscuous mode [ 66.117875][ T4898] device veth1_macvtap entered promiscuous mode [ 66.119297][ T5513] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 66.128363][ T534] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 66.129957][ T534] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 66.131423][ T534] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 66.132855][ T534] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 66.142195][ T4892] device veth0_macvtap entered promiscuous mode [ 66.168393][ T4892] device veth1_macvtap entered promiscuous mode [ 66.170898][ T4910] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 66.172600][ T4910] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 66.178502][ T4910] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 66.180193][ T4910] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 66.181789][ T4910] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 66.183420][ T4910] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 66.195781][ T4910] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 66.203509][ T534] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 66.210453][ T534] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 66.214152][ T534] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 66.215671][ T534] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 66.221139][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 66.222711][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 66.224019][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 66.227978][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 66.229481][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 66.231081][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 66.232497][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 66.237073][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 66.247942][ T4892] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 66.251363][ T4898] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 66.252834][ T4898] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 66.256811][ T4898] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 66.258464][ T4898] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 66.260439][ T4898] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 66.260577][ T5513] loop3: detected capacity change from 0 to 32768 [ 66.262078][ T4898] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 66.265874][ T4898] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 66.267510][ T4898] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 66.268930][ T4898] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 66.270613][ T4898] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 66.272957][ T4898] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 66.278368][ T534] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 66.279892][ T534] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 66.281361][ T534] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 66.282803][ T534] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 66.286643][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 66.288281][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 66.289758][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 66.291274][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 66.292701][ T4892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 66.295217][ T4892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 66.297505][ T4892] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 66.299828][ T4910] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 66.301554][ T4910] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 66.303192][ T4910] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 66.307125][ T5513] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 66.308459][ T5513] CPU: 1 PID: 5513 Comm: syz.3.26 Not tainted syzkaller #0 [ 66.309593][ T5513] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 66.311194][ T5513] Call trace: [ 66.311702][ T5513] dump_backtrace+0x0/0x43c [ 66.312411][ T5513] show_stack+0x2c/0x3c [ 66.313096][ T5513] __dump_stack+0x30/0x40 [ 66.313807][ T5513] dump_stack_lvl+0xf8/0x160 [ 66.314323][ T4910] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 66.314553][ T5513] dump_stack+0x1c/0x5c [ 66.316028][ T4910] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 66.316755][ T5513] sysfs_create_dir_ns+0x22c/0x24c [ 66.318302][ T4910] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 66.319107][ T5513] kobject_add_internal+0x590/0xc54 [ 66.320638][ T4910] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 66.321423][ T5513] kobject_init_and_add+0x118/0x17c [ 66.323026][ T4910] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 66.323851][ T5513] gfs2_sys_fs_add+0x1dc/0x3d8 [ 66.326041][ T5513] gfs2_fill_super+0xdac/0x19e0 [ 66.326738][ T5513] get_tree_bdev+0x358/0x544 [ 66.327403][ T5513] gfs2_get_tree+0x54/0x1b4 [ 66.328083][ T5513] vfs_get_tree+0x90/0x274 [ 66.328736][ T5513] do_new_mount+0x228/0x810 [ 66.329371][ T4910] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 66.329472][ T5513] path_mount+0x5b4/0x1000 [ 66.331181][ T5513] __arm64_sys_mount+0x514/0x5e4 [ 66.331724][ T4910] netdevsim netdevsim4 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.331939][ T5513] invoke_syscall+0x98/0x2b8 [ 66.333244][ T4910] netdevsim netdevsim4 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.333975][ T5513] el0_svc_common+0x138/0x258 [ 66.335257][ T4910] netdevsim netdevsim4 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.335982][ T5513] do_el0_svc+0x58/0x14c [ 66.337158][ T4910] netdevsim netdevsim4 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.337813][ T5513] el0_svc+0x78/0x1e0 [ 66.339699][ T5513] el0t_64_sync_handler+0xcc/0xe4 [ 66.340509][ T5513] el0t_64_sync+0x1a0/0x1a4 [ 66.346423][ T5513] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 66.349240][ T534] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 66.350809][ T534] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 66.352346][ T534] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 66.353869][ T534] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 66.357086][ T5513] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 66.361453][ T4898] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 66.363161][ T4898] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 66.365127][ T4898] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 66.366746][ T4898] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 66.368370][ T4898] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 66.370068][ T4898] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 66.371692][ T4898] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 66.373252][ T4898] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 66.375011][ T4898] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 66.376612][ T4898] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 66.378816][ T4898] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 66.380868][ T4892] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.382349][ T4892] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.383727][ T4892] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.386984][ T4892] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.409278][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 66.410895][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 66.440502][ T4898] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.442342][ T4898] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.443748][ T4898] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.447304][ T4898] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.459434][ T4910] ieee80211 phy13: Selected rate control algorithm 'minstrel_ht' [ 66.469021][ T4892] ieee80211 phy14: Selected rate control algorithm 'minstrel_ht' [ 66.482322][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 66.482917][ T4892] ieee80211 phy15: Selected rate control algorithm 'minstrel_ht' [ 66.483653][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 66.489437][ T534] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 66.490651][ T534] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 66.492161][ T534] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 66.495313][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 66.503755][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 66.506333][ T4910] ieee80211 phy16: Selected rate control algorithm 'minstrel_ht' [ 66.510396][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 66.511587][ T4898] ieee80211 phy17: Selected rate control algorithm 'minstrel_ht' [ 66.512770][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 66.519313][ T534] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 66.520509][ T534] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 66.521696][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 66.581526][ T5563] loop3: detected capacity change from 0 to 32768 [ 66.586346][ T4898] ieee80211 phy18: Selected rate control algorithm 'minstrel_ht' [ 66.586484][ T148] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 66.589016][ T148] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 66.591048][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 66.600379][ T148] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 66.601639][ T148] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 66.602838][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 66.631881][ T5563] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 66.633064][ T5563] CPU: 0 PID: 5563 Comm: syz.3.27 Not tainted syzkaller #0 [ 66.634103][ T5563] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 66.635615][ T5563] Call trace: [ 66.636151][ T5563] dump_backtrace+0x0/0x43c [ 66.636903][ T5563] show_stack+0x2c/0x3c [ 66.637542][ T5563] __dump_stack+0x30/0x40 [ 66.638206][ T5563] dump_stack_lvl+0xf8/0x160 [ 66.638943][ T5563] dump_stack+0x1c/0x5c [ 66.639619][ T5563] sysfs_create_dir_ns+0x22c/0x24c [ 66.640399][ T5563] kobject_add_internal+0x590/0xc54 [ 66.641142][ T5563] kobject_init_and_add+0x118/0x17c [ 66.641896][ T5563] gfs2_sys_fs_add+0x1dc/0x3d8 [ 66.642582][ T5563] gfs2_fill_super+0xdac/0x19e0 [ 66.643345][ T5563] get_tree_bdev+0x358/0x544 [ 66.644041][ T5563] gfs2_get_tree+0x54/0x1b4 [ 66.644721][ T5563] vfs_get_tree+0x90/0x274 [ 66.645412][ T5563] do_new_mount+0x228/0x810 [ 66.646107][ T5563] path_mount+0x5b4/0x1000 [ 66.646781][ T5563] __arm64_sys_mount+0x514/0x5e4 [ 66.647545][ T5563] invoke_syscall+0x98/0x2b8 [ 66.648216][ T5563] el0_svc_common+0x138/0x258 [ 66.648883][ T5563] do_el0_svc+0x58/0x14c [ 66.649518][ T5563] el0_svc+0x78/0x1e0 [ 66.650131][ T5563] el0t_64_sync_handler+0xcc/0xe4 [ 66.650880][ T5563] el0t_64_sync+0x1a0/0x1a4 [ 66.683449][ T5563] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 66.694238][ T5563] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 66.790832][ T5567] loop4: detected capacity change from 0 to 32768 [ 66.840046][ T5565] loop0: detected capacity change from 0 to 32768 [ 66.846285][ T5563] loop3: detected capacity change from 0 to 32768 [ 66.876399][ T5563] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 66.876744][ T5569] loop1: detected capacity change from 0 to 32768 [ 66.877582][ T5563] CPU: 0 PID: 5563 Comm: syz.3.27 Not tainted syzkaller #0 [ 66.878692][ T5565] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 66.879545][ T5563] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 66.882080][ T5563] Call trace: [ 66.882537][ T5563] dump_backtrace+0x0/0x43c [ 66.883191][ T5563] show_stack+0x2c/0x3c [ 66.883795][ T5563] __dump_stack+0x30/0x40 [ 66.884598][ T5563] dump_stack_lvl+0xf8/0x160 [ 66.885287][ T5563] dump_stack+0x1c/0x5c [ 66.885905][ T5563] sysfs_create_dir_ns+0x22c/0x24c [ 66.886693][ T5563] kobject_add_internal+0x590/0xc54 [ 66.887453][ T5563] kobject_init_and_add+0x118/0x17c [ 66.888228][ T5563] gfs2_sys_fs_add+0x1dc/0x3d8 [ 66.888935][ T5563] gfs2_fill_super+0xdac/0x19e0 [ 66.889614][ T5563] get_tree_bdev+0x358/0x544 [ 66.890322][ T5563] gfs2_get_tree+0x54/0x1b4 [ 66.891075][ T5563] vfs_get_tree+0x90/0x274 [ 66.891760][ T5563] do_new_mount+0x228/0x810 [ 66.892527][ T5563] path_mount+0x5b4/0x1000 [ 66.893206][ T5563] __arm64_sys_mount+0x514/0x5e4 [ 66.893970][ T5563] invoke_syscall+0x98/0x2b8 [ 66.894667][ T5563] el0_svc_common+0x138/0x258 [ 66.895437][ T5563] do_el0_svc+0x58/0x14c [ 66.896109][ T5563] el0_svc+0x78/0x1e0 [ 66.896797][ T5563] el0t_64_sync_handler+0xcc/0xe4 [ 66.897625][ T5563] el0t_64_sync+0x1a0/0x1a4 [ 66.898315][ T5565] CPU: 1 PID: 5565 Comm: syz.0.15 Not tainted syzkaller #0 [ 66.899363][ T5565] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 66.900774][ T5565] Call trace: [ 66.901238][ T5565] dump_backtrace+0x0/0x43c [ 66.901638][ T5563] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 66.901940][ T5565] show_stack+0x2c/0x3c [ 66.903886][ T5563] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 66.904484][ T5565] __dump_stack+0x30/0x40 [ 66.904503][ T5565] dump_stack_lvl+0xf8/0x160 [ 66.906846][ T5565] dump_stack+0x1c/0x5c [ 66.907418][ T5565] sysfs_create_dir_ns+0x22c/0x24c [ 66.908172][ T5565] kobject_add_internal+0x590/0xc54 [ 66.909002][ T5565] kobject_init_and_add+0x118/0x17c [ 66.909820][ T5565] gfs2_sys_fs_add+0x1dc/0x3d8 [ 66.910578][ T5565] gfs2_fill_super+0xdac/0x19e0 [ 66.911354][ T5565] get_tree_bdev+0x358/0x544 [ 66.912097][ T5565] gfs2_get_tree+0x54/0x1b4 [ 66.912771][ T5565] vfs_get_tree+0x90/0x274 [ 66.913377][ T5565] do_new_mount+0x228/0x810 [ 66.914090][ T5565] path_mount+0x5b4/0x1000 [ 66.914797][ T5565] __arm64_sys_mount+0x514/0x5e4 [ 66.915572][ T5565] invoke_syscall+0x98/0x2b8 [ 66.916312][ T5565] el0_svc_common+0x138/0x258 [ 66.917114][ T5565] do_el0_svc+0x58/0x14c [ 66.917835][ T5565] el0_svc+0x78/0x1e0 [ 66.918501][ T5565] el0t_64_sync_handler+0xcc/0xe4 [ 66.919355][ T5565] el0t_64_sync+0x1a0/0x1a4 [ 66.922960][ T5565] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 66.924942][ T5565] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 66.929141][ T5567] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 66.930340][ T5567] CPU: 1 PID: 5567 Comm: syz.4.19 Not tainted syzkaller #0 [ 66.931542][ T5567] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 66.933133][ T5567] Call trace: [ 66.933724][ T5567] dump_backtrace+0x0/0x43c [ 66.934467][ T5567] show_stack+0x2c/0x3c [ 66.935106][ T5567] __dump_stack+0x30/0x40 [ 66.935894][ T5567] dump_stack_lvl+0xf8/0x160 [ 66.936629][ T5567] dump_stack+0x1c/0x5c [ 66.937258][ T5567] sysfs_create_dir_ns+0x22c/0x24c [ 66.938013][ T5567] kobject_add_internal+0x590/0xc54 [ 66.938862][ T5567] kobject_init_and_add+0x118/0x17c [ 66.939728][ T5567] gfs2_sys_fs_add+0x1dc/0x3d8 [ 66.940518][ T5567] gfs2_fill_super+0xdac/0x19e0 [ 66.941323][ T5567] get_tree_bdev+0x358/0x544 [ 66.942054][ T5567] gfs2_get_tree+0x54/0x1b4 [ 66.942759][ T5567] vfs_get_tree+0x90/0x274 [ 66.943462][ T5567] do_new_mount+0x228/0x810 [ 66.944178][ T5567] path_mount+0x5b4/0x1000 [ 66.944930][ T5567] __arm64_sys_mount+0x514/0x5e4 [ 66.945712][ T5567] invoke_syscall+0x98/0x2b8 [ 66.946428][ T5567] el0_svc_common+0x138/0x258 [ 66.947115][ T5567] do_el0_svc+0x58/0x14c [ 66.947813][ T5567] el0_svc+0x78/0x1e0 [ 66.948488][ T5567] el0t_64_sync_handler+0xcc/0xe4 [ 66.949201][ T5567] el0t_64_sync+0x1a0/0x1a4 [ 66.966014][ T5567] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 66.966663][ T5569] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 66.968169][ T5567] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 66.969290][ T5569] CPU: 1 PID: 5569 Comm: syz.1.16 Not tainted syzkaller #0 [ 66.971309][ T5569] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 66.972986][ T5569] Call trace: [ 66.973495][ T5569] dump_backtrace+0x0/0x43c [ 66.974212][ T5569] show_stack+0x2c/0x3c [ 66.974866][ T5569] __dump_stack+0x30/0x40 [ 66.975538][ T5569] dump_stack_lvl+0xf8/0x160 [ 66.976245][ T5569] dump_stack+0x1c/0x5c [ 66.976919][ T5569] sysfs_create_dir_ns+0x22c/0x24c [ 66.977774][ T5569] kobject_add_internal+0x590/0xc54 [ 66.978590][ T5569] kobject_init_and_add+0x118/0x17c [ 66.979473][ T5569] gfs2_sys_fs_add+0x1dc/0x3d8 [ 66.980240][ T5569] gfs2_fill_super+0xdac/0x19e0 [ 66.981000][ T5569] get_tree_bdev+0x358/0x544 [ 66.981729][ T5569] gfs2_get_tree+0x54/0x1b4 [ 66.982415][ T5569] vfs_get_tree+0x90/0x274 [ 66.983075][ T5569] do_new_mount+0x228/0x810 [ 66.983793][ T5569] path_mount+0x5b4/0x1000 [ 66.984498][ T5569] __arm64_sys_mount+0x514/0x5e4 [ 66.985307][ T5569] invoke_syscall+0x98/0x2b8 [ 66.986071][ T5569] el0_svc_common+0x138/0x258 [ 66.986817][ T5569] do_el0_svc+0x58/0x14c [ 66.987433][ T5569] el0_svc+0x78/0x1e0 [ 66.988081][ T5569] el0t_64_sync_handler+0xcc/0xe4 [ 66.988873][ T5569] el0t_64_sync+0x1a0/0x1a4 [ 66.991066][ T5569] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 66.992983][ T5569] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 66.999837][ T1653] device hsr_slave_0 left promiscuous mode [ 67.038055][ T1653] device hsr_slave_1 left promiscuous mode [ 67.116352][ T1653] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 67.117569][ T1653] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 67.119000][ T1653] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 67.120118][ T1653] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 67.125315][ T5565] loop0: detected capacity change from 0 to 32768 [ 67.137529][ T1653] device bridge_slave_1 left promiscuous mode [ 67.138529][ T1653] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.168094][ T5565] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 67.169357][ T5565] CPU: 0 PID: 5565 Comm: syz.0.15 Not tainted syzkaller #0 [ 67.170341][ T5565] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 67.171887][ T5565] Call trace: [ 67.172434][ T5565] dump_backtrace+0x0/0x43c [ 67.173207][ T5565] show_stack+0x2c/0x3c [ 67.173863][ T5565] __dump_stack+0x30/0x40 [ 67.174550][ T5565] dump_stack_lvl+0xf8/0x160 [ 67.175263][ T5565] dump_stack+0x1c/0x5c [ 67.175841][ T5565] sysfs_create_dir_ns+0x22c/0x24c [ 67.176559][ T5565] kobject_add_internal+0x590/0xc54 [ 67.177417][ T5565] kobject_init_and_add+0x118/0x17c [ 67.178205][ T5565] gfs2_sys_fs_add+0x1dc/0x3d8 [ 67.178934][ T5565] gfs2_fill_super+0xdac/0x19e0 [ 67.179679][ T5565] get_tree_bdev+0x358/0x544 [ 67.180439][ T5565] gfs2_get_tree+0x54/0x1b4 [ 67.181128][ T5565] vfs_get_tree+0x90/0x274 [ 67.181819][ T5565] do_new_mount+0x228/0x810 [ 67.182566][ T5565] path_mount+0x5b4/0x1000 [ 67.183234][ T5565] __arm64_sys_mount+0x514/0x5e4 [ 67.183974][ T5565] invoke_syscall+0x98/0x2b8 [ 67.184677][ T5565] el0_svc_common+0x138/0x258 [ 67.185367][ T5565] do_el0_svc+0x58/0x14c [ 67.186129][ T5565] el0_svc+0x78/0x1e0 [ 67.186770][ T5565] el0t_64_sync_handler+0xcc/0xe4 [ 67.187522][ T5565] el0t_64_sync+0x1a0/0x1a4 [ 67.190019][ T1653] device bridge_slave_0 left promiscuous mode [ 67.191099][ T1653] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.223041][ T5571] loop3: detected capacity change from 0 to 32768 [ 67.228596][ T5565] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 67.230718][ T5565] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 67.274503][ T5567] loop4: detected capacity change from 0 to 32768 [ 67.285257][ T5571] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 67.286433][ T5571] CPU: 1 PID: 5571 Comm: syz.3.28 Not tainted syzkaller #0 [ 67.287572][ T5571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 67.289227][ T5571] Call trace: [ 67.289734][ T5571] dump_backtrace+0x0/0x43c [ 67.290535][ T5571] show_stack+0x2c/0x3c [ 67.291244][ T5571] __dump_stack+0x30/0x40 [ 67.291977][ T5571] dump_stack_lvl+0xf8/0x160 [ 67.292765][ T5571] dump_stack+0x1c/0x5c [ 67.293459][ T5571] sysfs_create_dir_ns+0x22c/0x24c [ 67.294299][ T5571] kobject_add_internal+0x590/0xc54 [ 67.295081][ T5571] kobject_init_and_add+0x118/0x17c [ 67.295922][ T5571] gfs2_sys_fs_add+0x1dc/0x3d8 [ 67.296728][ T5571] gfs2_fill_super+0xdac/0x19e0 [ 67.297500][ T5571] get_tree_bdev+0x358/0x544 [ 67.298218][ T5571] gfs2_get_tree+0x54/0x1b4 [ 67.298935][ T5571] vfs_get_tree+0x90/0x274 [ 67.299664][ T5571] do_new_mount+0x228/0x810 [ 67.300383][ T5571] path_mount+0x5b4/0x1000 [ 67.301096][ T5571] __arm64_sys_mount+0x514/0x5e4 [ 67.301819][ T5571] invoke_syscall+0x98/0x2b8 [ 67.302489][ T5571] el0_svc_common+0x138/0x258 [ 67.303211][ T5571] do_el0_svc+0x58/0x14c [ 67.303893][ T5571] el0_svc+0x78/0x1e0 [ 67.304572][ T5571] el0t_64_sync_handler+0xcc/0xe4 [ 67.305386][ T5571] el0t_64_sync+0x1a0/0x1a4 [ 67.309940][ T1653] device veth1_macvtap left promiscuous mode [ 67.310847][ T1653] device veth0_macvtap left promiscuous mode [ 67.311786][ T1653] device veth1_vlan left promiscuous mode [ 67.312757][ T1653] device veth0_vlan left promiscuous mode [ 67.326992][ T5567] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 67.328340][ T5567] CPU: 0 PID: 5567 Comm: syz.4.19 Not tainted syzkaller #0 [ 67.329393][ T5567] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 67.330847][ T5567] Call trace: [ 67.331354][ T5567] dump_backtrace+0x0/0x43c [ 67.332079][ T5567] show_stack+0x2c/0x3c [ 67.332718][ T5567] __dump_stack+0x30/0x40 [ 67.333459][ T5567] dump_stack_lvl+0xf8/0x160 [ 67.334199][ T5567] dump_stack+0x1c/0x5c [ 67.334814][ T5567] sysfs_create_dir_ns+0x22c/0x24c [ 67.335639][ T5567] kobject_add_internal+0x590/0xc54 [ 67.336478][ T5567] kobject_init_and_add+0x118/0x17c [ 67.337268][ T5567] gfs2_sys_fs_add+0x1dc/0x3d8 [ 67.337987][ T5567] gfs2_fill_super+0xdac/0x19e0 [ 67.338692][ T5567] get_tree_bdev+0x358/0x544 [ 67.339395][ T5567] gfs2_get_tree+0x54/0x1b4 [ 67.339997][ T5567] vfs_get_tree+0x90/0x274 [ 67.340662][ T5567] do_new_mount+0x228/0x810 [ 67.341321][ T5567] path_mount+0x5b4/0x1000 [ 67.341973][ T5567] __arm64_sys_mount+0x514/0x5e4 [ 67.342680][ T5567] invoke_syscall+0x98/0x2b8 [ 67.343360][ T5567] el0_svc_common+0x138/0x258 [ 67.344020][ T5567] do_el0_svc+0x58/0x14c [ 67.344640][ T5567] el0_svc+0x78/0x1e0 [ 67.345249][ T5567] el0t_64_sync_handler+0xcc/0xe4 [ 67.346029][ T5567] el0t_64_sync+0x1a0/0x1a4 [ 67.359418][ T5571] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 67.361575][ T5571] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 67.384618][ T7] Bluetooth: hci0: command 0x0419 tx timeout [ 67.388360][ T5567] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 67.390345][ T5567] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 67.450727][ T5569] loop1: detected capacity change from 0 to 32768 [ 67.464957][ T7] Bluetooth: hci1: command 0x0419 tx timeout [ 67.466045][ T7] Bluetooth: hci2: command 0x0419 tx timeout [ 67.474967][ T5569] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 67.476123][ T5569] CPU: 1 PID: 5569 Comm: syz.1.16 Not tainted syzkaller #0 [ 67.477166][ T5569] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 67.478535][ T5569] Call trace: [ 67.478969][ T5569] dump_backtrace+0x0/0x43c [ 67.479644][ T5569] show_stack+0x2c/0x3c [ 67.480198][ T5569] __dump_stack+0x30/0x40 [ 67.480796][ T5569] dump_stack_lvl+0xf8/0x160 [ 67.481439][ T5569] dump_stack+0x1c/0x5c [ 67.482064][ T5569] sysfs_create_dir_ns+0x22c/0x24c [ 67.482852][ T5569] kobject_add_internal+0x590/0xc54 [ 67.483623][ T5569] kobject_init_and_add+0x118/0x17c [ 67.483975][ T5574] loop0: detected capacity change from 0 to 32768 [ 67.484456][ T5569] gfs2_sys_fs_add+0x1dc/0x3d8 [ 67.484475][ T5569] gfs2_fill_super+0xdac/0x19e0 [ 67.484483][ T5569] get_tree_bdev+0x358/0x544 [ 67.484491][ T5569] gfs2_get_tree+0x54/0x1b4 [ 67.484496][ T5569] vfs_get_tree+0x90/0x274 [ 67.484501][ T5569] do_new_mount+0x228/0x810 [ 67.484506][ T5569] path_mount+0x5b4/0x1000 [ 67.484510][ T5569] __arm64_sys_mount+0x514/0x5e4 [ 67.484514][ T5569] invoke_syscall+0x98/0x2b8 [ 67.484520][ T5569] el0_svc_common+0x138/0x258 [ 67.484525][ T5569] do_el0_svc+0x58/0x14c [ 67.484529][ T5569] el0_svc+0x78/0x1e0 [ 67.484535][ T5569] el0t_64_sync_handler+0xcc/0xe4 [ 67.484540][ T5569] el0t_64_sync+0x1a0/0x1a4 [ 67.506478][ T5569] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 67.508354][ T5569] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 67.544470][ T4162] Bluetooth: hci3: command 0x0419 tx timeout [ 67.545645][ T4162] Bluetooth: hci4: command 0x0419 tx timeout [ 67.556534][ T5574] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 67.557873][ T5574] CPU: 0 PID: 5574 Comm: syz.0.29 Not tainted syzkaller #0 [ 67.558897][ T5574] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 67.560292][ T5574] Call trace: [ 67.560753][ T5574] dump_backtrace+0x0/0x43c [ 67.561481][ T5574] show_stack+0x2c/0x3c [ 67.562105][ T5574] __dump_stack+0x30/0x40 [ 67.562729][ T5574] dump_stack_lvl+0xf8/0x160 [ 67.563455][ T5574] dump_stack+0x1c/0x5c [ 67.564100][ T5574] sysfs_create_dir_ns+0x22c/0x24c [ 67.564851][ T5574] kobject_add_internal+0x590/0xc54 [ 67.565609][ T5574] kobject_init_and_add+0x118/0x17c [ 67.566376][ T5574] gfs2_sys_fs_add+0x1dc/0x3d8 [ 67.567060][ T5574] gfs2_fill_super+0xdac/0x19e0 [ 67.567839][ T5574] get_tree_bdev+0x358/0x544 [ 67.568582][ T5574] gfs2_get_tree+0x54/0x1b4 [ 67.569268][ T5574] vfs_get_tree+0x90/0x274 [ 67.569961][ T5574] do_new_mount+0x228/0x810 [ 67.570735][ T5574] path_mount+0x5b4/0x1000 [ 67.571436][ T5574] __arm64_sys_mount+0x514/0x5e4 [ 67.572256][ T5574] invoke_syscall+0x98/0x2b8 [ 67.572992][ T5574] el0_svc_common+0x138/0x258 [ 67.573744][ T5574] do_el0_svc+0x58/0x14c [ 67.574359][ T5574] el0_svc+0x78/0x1e0 [ 67.574993][ T5574] el0t_64_sync_handler+0xcc/0xe4 [ 67.575797][ T5574] el0t_64_sync+0x1a0/0x1a4 [ 67.614343][ T5574] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 67.616534][ T5574] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 67.627054][ T1653] team0 (unregistering): Port device team_slave_1 removed [ 67.636751][ T1653] team0 (unregistering): Port device team_slave_0 removed [ 67.658998][ T1653] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 67.673281][ T5571] loop3: detected capacity change from 0 to 32768 [ 67.680512][ T5576] loop4: detected capacity change from 0 to 32768 [ 67.699828][ T1653] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 67.706510][ T5576] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 67.707674][ T5576] CPU: 0 PID: 5576 Comm: syz.4.30 Not tainted syzkaller #0 [ 67.708804][ T5576] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 67.710168][ T5576] Call trace: [ 67.710648][ T5576] dump_backtrace+0x0/0x43c [ 67.711393][ T5576] show_stack+0x2c/0x3c [ 67.712048][ T5576] __dump_stack+0x30/0x40 [ 67.712724][ T5576] dump_stack_lvl+0xf8/0x160 [ 67.713478][ T5576] dump_stack+0x1c/0x5c [ 67.714155][ T5576] sysfs_create_dir_ns+0x22c/0x24c [ 67.714992][ T5576] kobject_add_internal+0x590/0xc54 [ 67.715823][ T5576] kobject_init_and_add+0x118/0x17c [ 67.716624][ T5576] gfs2_sys_fs_add+0x1dc/0x3d8 [ 67.717407][ T5576] gfs2_fill_super+0xdac/0x19e0 [ 67.717855][ T5571] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 67.718183][ T5576] get_tree_bdev+0x358/0x544 [ 67.720065][ T5576] gfs2_get_tree+0x54/0x1b4 [ 67.720777][ T5576] vfs_get_tree+0x90/0x274 [ 67.721502][ T5576] do_new_mount+0x228/0x810 [ 67.722231][ T5576] path_mount+0x5b4/0x1000 [ 67.722909][ T5576] __arm64_sys_mount+0x514/0x5e4 [ 67.723665][ T5576] invoke_syscall+0x98/0x2b8 [ 67.724460][ T5576] el0_svc_common+0x138/0x258 [ 67.725233][ T5576] do_el0_svc+0x58/0x14c [ 67.725898][ T5576] el0_svc+0x78/0x1e0 [ 67.726514][ T5576] el0t_64_sync_handler+0xcc/0xe4 [ 67.727256][ T5576] el0t_64_sync+0x1a0/0x1a4 [ 67.728056][ T5571] CPU: 1 PID: 5571 Comm: syz.3.28 Not tainted syzkaller #0 [ 67.729194][ T5571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 67.730778][ T5571] Call trace: [ 67.731285][ T5571] dump_backtrace+0x0/0x43c [ 67.732010][ T5571] show_stack+0x2c/0x3c [ 67.732645][ T5571] __dump_stack+0x30/0x40 [ 67.733329][ T5571] dump_stack_lvl+0xf8/0x160 [ 67.734075][ T5571] dump_stack+0x1c/0x5c [ 67.734749][ T5571] sysfs_create_dir_ns+0x22c/0x24c [ 67.735615][ T5571] kobject_add_internal+0x590/0xc54 [ 67.736443][ T5571] kobject_init_and_add+0x118/0x17c [ 67.737266][ T5571] gfs2_sys_fs_add+0x1dc/0x3d8 [ 67.738046][ T5571] gfs2_fill_super+0xdac/0x19e0 [ 67.738871][ T5571] get_tree_bdev+0x358/0x544 [ 67.739636][ T5571] gfs2_get_tree+0x54/0x1b4 [ 67.740340][ T5571] vfs_get_tree+0x90/0x274 [ 67.741053][ T5571] do_new_mount+0x228/0x810 [ 67.741766][ T5571] path_mount+0x5b4/0x1000 [ 67.742446][ T5571] __arm64_sys_mount+0x514/0x5e4 [ 67.743208][ T5571] invoke_syscall+0x98/0x2b8 [ 67.743935][ T5571] el0_svc_common+0x138/0x258 [ 67.744654][ T5571] do_el0_svc+0x58/0x14c [ 67.745292][ T5571] el0_svc+0x78/0x1e0 [ 67.745922][ T5571] el0t_64_sync_handler+0xcc/0xe4 [ 67.746745][ T5571] el0t_64_sync+0x1a0/0x1a4 [ 67.770285][ T5576] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 67.772456][ T5576] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 67.820892][ T5571] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 67.823009][ T5571] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 67.860113][ T5578] loop1: detected capacity change from 0 to 32768 [ 67.890333][ T1653] bond0 (unregistering): Released all slaves [ 67.896938][ T5578] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 67.898089][ T5578] CPU: 1 PID: 5578 Comm: syz.1.31 Not tainted syzkaller #0 [ 67.899227][ T5578] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 67.900784][ T5578] Call trace: [ 67.901226][ T5578] dump_backtrace+0x0/0x43c [ 67.901896][ T5578] show_stack+0x2c/0x3c [ 67.902455][ T5578] __dump_stack+0x30/0x40 [ 67.903086][ T5578] dump_stack_lvl+0xf8/0x160 [ 67.903807][ T5578] dump_stack+0x1c/0x5c [ 67.904419][ T5578] sysfs_create_dir_ns+0x22c/0x24c [ 67.905231][ T5578] kobject_add_internal+0x590/0xc54 [ 67.906032][ T5578] kobject_init_and_add+0x118/0x17c [ 67.906825][ T5578] gfs2_sys_fs_add+0x1dc/0x3d8 [ 67.907611][ T5578] gfs2_fill_super+0xdac/0x19e0 [ 67.908333][ T5578] get_tree_bdev+0x358/0x544 [ 67.909094][ T5578] gfs2_get_tree+0x54/0x1b4 [ 67.909832][ T5578] vfs_get_tree+0x90/0x274 [ 67.910548][ T5578] do_new_mount+0x228/0x810 [ 67.911306][ T5578] path_mount+0x5b4/0x1000 [ 67.912007][ T5578] __arm64_sys_mount+0x514/0x5e4 [ 67.912820][ T5578] invoke_syscall+0x98/0x2b8 [ 67.913566][ T5578] el0_svc_common+0x138/0x258 [ 67.914291][ T5578] do_el0_svc+0x58/0x14c [ 67.914946][ T5578] el0_svc+0x78/0x1e0 [ 67.915581][ T5578] el0t_64_sync_handler+0xcc/0xe4 [ 67.916365][ T5578] el0t_64_sync+0x1a0/0x1a4 [ 67.944989][ T5578] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 67.947032][ T5578] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 67.959978][ T5574] loop0: detected capacity change from 0 to 32768 [ 67.974683][ T5574] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 67.975971][ T5574] CPU: 0 PID: 5574 Comm: syz.0.29 Not tainted syzkaller #0 [ 67.977041][ T5574] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 67.978578][ T5574] Call trace: [ 67.979071][ T5574] dump_backtrace+0x0/0x43c [ 67.979685][ T5574] show_stack+0x2c/0x3c [ 67.980242][ T5574] __dump_stack+0x30/0x40 [ 67.980900][ T5574] dump_stack_lvl+0xf8/0x160 [ 67.981520][ T5574] dump_stack+0x1c/0x5c [ 67.982104][ T5574] sysfs_create_dir_ns+0x22c/0x24c [ 67.982852][ T5574] kobject_add_internal+0x590/0xc54 [ 67.983590][ T5574] kobject_init_and_add+0x118/0x17c [ 67.984297][ T5574] gfs2_sys_fs_add+0x1dc/0x3d8 [ 67.984958][ T5574] gfs2_fill_super+0xdac/0x19e0 [ 67.985690][ T5574] get_tree_bdev+0x358/0x544 [ 67.986421][ T5574] gfs2_get_tree+0x54/0x1b4 [ 67.987123][ T5574] vfs_get_tree+0x90/0x274 [ 67.987828][ T5574] do_new_mount+0x228/0x810 [ 67.988493][ T5574] path_mount+0x5b4/0x1000 [ 67.989141][ T5574] __arm64_sys_mount+0x514/0x5e4 [ 67.989951][ T5574] invoke_syscall+0x98/0x2b8 [ 67.990715][ T5574] el0_svc_common+0x138/0x258 [ 67.991479][ T5574] do_el0_svc+0x58/0x14c [ 67.992160][ T5574] el0_svc+0x78/0x1e0 [ 67.992767][ T5574] el0t_64_sync_handler+0xcc/0xe4 [ 67.993511][ T5574] el0t_64_sync+0x1a0/0x1a4 [ 68.032920][ T5574] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 68.035127][ T5574] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 68.039848][ T5576] loop4: detected capacity change from 0 to 32768 [ 68.067094][ T5580] loop3: detected capacity change from 0 to 32768 [ 68.079837][ T5576] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 68.081074][ T5576] CPU: 0 PID: 5576 Comm: syz.4.30 Not tainted syzkaller #0 [ 68.082184][ T5576] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 68.083771][ T5576] Call trace: [ 68.084276][ T5576] dump_backtrace+0x0/0x43c [ 68.085037][ T5576] show_stack+0x2c/0x3c [ 68.085698][ T5576] __dump_stack+0x30/0x40 [ 68.086386][ T5576] dump_stack_lvl+0xf8/0x160 [ 68.087151][ T5576] dump_stack+0x1c/0x5c [ 68.087824][ T5576] sysfs_create_dir_ns+0x22c/0x24c [ 68.088608][ T5576] kobject_add_internal+0x590/0xc54 [ 68.089376][ T5576] kobject_init_and_add+0x118/0x17c [ 68.090250][ T5576] gfs2_sys_fs_add+0x1dc/0x3d8 [ 68.091068][ T5576] gfs2_fill_super+0xdac/0x19e0 [ 68.091896][ T5576] get_tree_bdev+0x358/0x544 [ 68.092678][ T5576] gfs2_get_tree+0x54/0x1b4 [ 68.093394][ T5576] vfs_get_tree+0x90/0x274 [ 68.094091][ T5576] do_new_mount+0x228/0x810 [ 68.094783][ T5576] path_mount+0x5b4/0x1000 [ 68.095486][ T5576] __arm64_sys_mount+0x514/0x5e4 [ 68.096215][ T5576] invoke_syscall+0x98/0x2b8 [ 68.096986][ T5576] el0_svc_common+0x138/0x258 [ 68.097723][ T5576] do_el0_svc+0x58/0x14c [ 68.098344][ T5576] el0_svc+0x78/0x1e0 [ 68.098948][ T5576] el0t_64_sync_handler+0xcc/0xe4 [ 68.099678][ T5576] el0t_64_sync+0x1a0/0x1a4 [ 68.146115][ T5576] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 68.148085][ T5576] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 68.162662][ T5580] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 68.163722][ T5580] CPU: 0 PID: 5580 Comm: syz.3.32 Not tainted syzkaller #0 [ 68.164771][ T5580] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 68.166222][ T5580] Call trace: [ 68.166669][ T5580] dump_backtrace+0x0/0x43c [ 68.167304][ T5580] show_stack+0x2c/0x3c [ 68.167896][ T5580] __dump_stack+0x30/0x40 [ 68.168580][ T5580] dump_stack_lvl+0xf8/0x160 [ 68.169217][ T5580] dump_stack+0x1c/0x5c [ 68.169855][ T5580] sysfs_create_dir_ns+0x22c/0x24c [ 68.170561][ T5580] kobject_add_internal+0x590/0xc54 [ 68.171268][ T5580] kobject_init_and_add+0x118/0x17c [ 68.171989][ T5580] gfs2_sys_fs_add+0x1dc/0x3d8 [ 68.172651][ T5580] gfs2_fill_super+0xdac/0x19e0 [ 68.173381][ T5580] get_tree_bdev+0x358/0x544 [ 68.174065][ T5580] gfs2_get_tree+0x54/0x1b4 [ 68.174723][ T5580] vfs_get_tree+0x90/0x274 [ 68.175410][ T5580] do_new_mount+0x228/0x810 [ 68.176115][ T5580] path_mount+0x5b4/0x1000 [ 68.176900][ T5580] __arm64_sys_mount+0x514/0x5e4 [ 68.177670][ T5580] invoke_syscall+0x98/0x2b8 [ 68.178408][ T5580] el0_svc_common+0x138/0x258 [ 68.179148][ T5580] do_el0_svc+0x58/0x14c [ 68.179822][ T5580] el0_svc+0x78/0x1e0 [ 68.180481][ T5580] el0t_64_sync_handler+0xcc/0xe4 [ 68.181249][ T5580] el0t_64_sync+0x1a0/0x1a4 [ 68.184095][ T5578] loop1: detected capacity change from 0 to 32768 [ 68.214554][ T5580] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 68.216574][ T5580] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 68.241797][ T5578] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 68.243015][ T5578] CPU: 1 PID: 5578 Comm: syz.1.31 Not tainted syzkaller #0 [ 68.244052][ T5578] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 68.245652][ T5578] Call trace: [ 68.246131][ T5578] dump_backtrace+0x0/0x43c [ 68.246812][ T5578] show_stack+0x2c/0x3c [ 68.247457][ T5578] __dump_stack+0x30/0x40 [ 68.248209][ T5578] dump_stack_lvl+0xf8/0x160 [ 68.248954][ T5578] dump_stack+0x1c/0x5c [ 68.249669][ T5578] sysfs_create_dir_ns+0x22c/0x24c [ 68.250550][ T5578] kobject_add_internal+0x590/0xc54 [ 68.251412][ T5578] kobject_init_and_add+0x118/0x17c [ 68.252292][ T5578] gfs2_sys_fs_add+0x1dc/0x3d8 [ 68.253026][ T5578] gfs2_fill_super+0xdac/0x19e0 [ 68.253778][ T5578] get_tree_bdev+0x358/0x544 [ 68.254518][ T5578] gfs2_get_tree+0x54/0x1b4 [ 68.255217][ T5578] vfs_get_tree+0x90/0x274 [ 68.255945][ T5578] do_new_mount+0x228/0x810 [ 68.256697][ T5578] path_mount+0x5b4/0x1000 [ 68.257371][ T5578] __arm64_sys_mount+0x514/0x5e4 [ 68.258200][ T5578] invoke_syscall+0x98/0x2b8 [ 68.258948][ T5578] el0_svc_common+0x138/0x258 [ 68.259671][ T5578] do_el0_svc+0x58/0x14c [ 68.260288][ T5578] el0_svc+0x78/0x1e0 [ 68.260938][ T5578] el0t_64_sync_handler+0xcc/0xe4 [ 68.261720][ T5578] el0t_64_sync+0x1a0/0x1a4 [ 68.291753][ T5578] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 68.293971][ T5578] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 68.385486][ T5582] loop0: detected capacity change from 0 to 32768 [ 68.421806][ T5584] loop4: detected capacity change from 0 to 32768 [ 68.444988][ T5580] loop3: detected capacity change from 0 to 32768 [ 68.471601][ T5584] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 68.472732][ T5584] CPU: 0 PID: 5584 Comm: syz.4.34 Not tainted syzkaller #0 [ 68.473814][ T5584] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 68.475361][ T5584] Call trace: [ 68.475890][ T5584] dump_backtrace+0x0/0x43c [ 68.476604][ T5584] show_stack+0x2c/0x3c [ 68.477272][ T5584] __dump_stack+0x30/0x40 [ 68.477979][ T5584] dump_stack_lvl+0xf8/0x160 [ 68.478738][ T5584] dump_stack+0x1c/0x5c [ 68.479401][ T5584] sysfs_create_dir_ns+0x22c/0x24c [ 68.480288][ T5584] kobject_add_internal+0x590/0xc54 [ 68.481129][ T5584] kobject_init_and_add+0x118/0x17c [ 68.481979][ T5584] gfs2_sys_fs_add+0x1dc/0x3d8 [ 68.482733][ T5584] gfs2_fill_super+0xdac/0x19e0 [ 68.483566][ T5584] get_tree_bdev+0x358/0x544 [ 68.484334][ T5584] gfs2_get_tree+0x54/0x1b4 [ 68.485049][ T5584] vfs_get_tree+0x90/0x274 [ 68.485771][ T5584] do_new_mount+0x228/0x810 [ 68.486462][ T5584] path_mount+0x5b4/0x1000 [ 68.487166][ T5584] __arm64_sys_mount+0x514/0x5e4 [ 68.487973][ T5584] invoke_syscall+0x98/0x2b8 [ 68.488725][ T5584] el0_svc_common+0x138/0x258 [ 68.489407][ T5584] do_el0_svc+0x58/0x14c [ 68.490131][ T5584] el0_svc+0x78/0x1e0 [ 68.490776][ T5584] el0t_64_sync_handler+0xcc/0xe4 [ 68.491558][ T5584] el0t_64_sync+0x1a0/0x1a4 [ 68.493600][ T5582] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 68.494791][ T5582] CPU: 0 PID: 5582 Comm: syz.0.33 Not tainted syzkaller #0 [ 68.495827][ T5582] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 68.497217][ T5582] Call trace: [ 68.497680][ T5582] dump_backtrace+0x0/0x43c [ 68.498328][ T5582] show_stack+0x2c/0x3c [ 68.498951][ T5582] __dump_stack+0x30/0x40 [ 68.499654][ T5582] dump_stack_lvl+0xf8/0x160 [ 68.500364][ T5582] dump_stack+0x1c/0x5c [ 68.501053][ T5582] sysfs_create_dir_ns+0x22c/0x24c [ 68.501821][ T5582] kobject_add_internal+0x590/0xc54 [ 68.502693][ T5582] kobject_init_and_add+0x118/0x17c [ 68.503555][ T5582] gfs2_sys_fs_add+0x1dc/0x3d8 [ 68.504367][ T5582] gfs2_fill_super+0xdac/0x19e0 [ 68.505148][ T5582] get_tree_bdev+0x358/0x544 [ 68.505904][ T5582] gfs2_get_tree+0x54/0x1b4 [ 68.506628][ T5582] vfs_get_tree+0x90/0x274 [ 68.507391][ T5582] do_new_mount+0x228/0x810 [ 68.508132][ T5582] path_mount+0x5b4/0x1000 [ 68.508891][ T5582] __arm64_sys_mount+0x514/0x5e4 [ 68.509677][ T5582] invoke_syscall+0x98/0x2b8 [ 68.510349][ T5582] el0_svc_common+0x138/0x258 [ 68.511135][ T5582] do_el0_svc+0x58/0x14c [ 68.511869][ T5582] el0_svc+0x78/0x1e0 [ 68.512496][ T5582] el0t_64_sync_handler+0xcc/0xe4 [ 68.513275][ T5582] el0t_64_sync+0x1a0/0x1a4 [ 68.515342][ T5580] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 68.516612][ T5580] CPU: 1 PID: 5580 Comm: syz.3.32 Not tainted syzkaller #0 [ 68.517771][ T5580] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 68.519188][ T5580] Call trace: [ 68.519870][ T5580] dump_backtrace+0x0/0x43c [ 68.520494][ T5580] show_stack+0x2c/0x3c [ 68.521119][ T5580] __dump_stack+0x30/0x40 [ 68.521749][ T5580] dump_stack_lvl+0xf8/0x160 [ 68.522429][ T5580] dump_stack+0x1c/0x5c [ 68.523056][ T5580] sysfs_create_dir_ns+0x22c/0x24c [ 68.523805][ T5580] kobject_add_internal+0x590/0xc54 [ 68.524599][ T5580] kobject_init_and_add+0x118/0x17c [ 68.525446][ T5580] gfs2_sys_fs_add+0x1dc/0x3d8 [ 68.526287][ T5580] gfs2_fill_super+0xdac/0x19e0 [ 68.527087][ T5580] get_tree_bdev+0x358/0x544 [ 68.527825][ T5580] gfs2_get_tree+0x54/0x1b4 [ 68.528558][ T5580] vfs_get_tree+0x90/0x274 [ 68.529270][ T5580] do_new_mount+0x228/0x810 [ 68.530030][ T5580] path_mount+0x5b4/0x1000 [ 68.530753][ T5580] __arm64_sys_mount+0x514/0x5e4 [ 68.531542][ T5580] invoke_syscall+0x98/0x2b8 [ 68.532261][ T5580] el0_svc_common+0x138/0x258 [ 68.532972][ T5580] do_el0_svc+0x58/0x14c [ 68.533674][ T5580] el0_svc+0x78/0x1e0 [ 68.534163][ T5582] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 68.534287][ T5580] el0t_64_sync_handler+0xcc/0xe4 [ 68.536137][ T5582] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 68.536853][ T5580] el0t_64_sync+0x1a0/0x1a4 [ 68.538137][ T5584] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 68.540279][ T5584] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 68.581927][ T5580] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 68.592052][ T5580] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 68.595586][ T5586] loop1: detected capacity change from 0 to 32768 [ 68.636515][ T5586] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 68.637728][ T5586] CPU: 0 PID: 5586 Comm: syz.1.35 Not tainted syzkaller #0 [ 68.638871][ T5586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 68.640494][ T5586] Call trace: [ 68.641033][ T5586] dump_backtrace+0x0/0x43c [ 68.641708][ T5586] show_stack+0x2c/0x3c [ 68.642370][ T5586] __dump_stack+0x30/0x40 [ 68.643119][ T5586] dump_stack_lvl+0xf8/0x160 [ 68.643859][ T5586] dump_stack+0x1c/0x5c [ 68.644520][ T5586] sysfs_create_dir_ns+0x22c/0x24c [ 68.645281][ T5586] kobject_add_internal+0x590/0xc54 [ 68.646057][ T5586] kobject_init_and_add+0x118/0x17c [ 68.646917][ T5586] gfs2_sys_fs_add+0x1dc/0x3d8 [ 68.647675][ T5586] gfs2_fill_super+0xdac/0x19e0 [ 68.648443][ T5586] get_tree_bdev+0x358/0x544 [ 68.649190][ T5586] gfs2_get_tree+0x54/0x1b4 [ 68.649854][ T5586] vfs_get_tree+0x90/0x274 [ 68.650513][ T5586] do_new_mount+0x228/0x810 [ 68.651201][ T5586] path_mount+0x5b4/0x1000 [ 68.651923][ T5586] __arm64_sys_mount+0x514/0x5e4 [ 68.652677][ T5586] invoke_syscall+0x98/0x2b8 [ 68.653353][ T5586] el0_svc_common+0x138/0x258 [ 68.654022][ T5586] do_el0_svc+0x58/0x14c [ 68.654667][ T5586] el0_svc+0x78/0x1e0 [ 68.655236][ T5586] el0t_64_sync_handler+0xcc/0xe4 [ 68.655990][ T5586] el0t_64_sync+0x1a0/0x1a4 [ 68.704353][ T5586] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 68.706321][ T5586] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 68.783123][ T5584] loop4: detected capacity change from 0 to 32768 [ 68.838467][ T5584] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 68.839582][ T5584] CPU: 1 PID: 5584 Comm: syz.4.34 Not tainted syzkaller #0 [ 68.840669][ T5584] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 68.842219][ T5584] Call trace: [ 68.842753][ T5584] dump_backtrace+0x0/0x43c [ 68.843470][ T5584] show_stack+0x2c/0x3c [ 68.844127][ T5584] __dump_stack+0x30/0x40 [ 68.844834][ T5584] dump_stack_lvl+0xf8/0x160 [ 68.845533][ T5584] dump_stack+0x1c/0x5c [ 68.846192][ T5584] sysfs_create_dir_ns+0x22c/0x24c [ 68.847014][ T5584] kobject_add_internal+0x590/0xc54 [ 68.847777][ T5584] kobject_init_and_add+0x118/0x17c [ 68.848486][ T5584] gfs2_sys_fs_add+0x1dc/0x3d8 [ 68.849163][ T5584] gfs2_fill_super+0xdac/0x19e0 [ 68.849891][ T5584] get_tree_bdev+0x358/0x544 [ 68.850547][ T5584] gfs2_get_tree+0x54/0x1b4 [ 68.851203][ T5584] vfs_get_tree+0x90/0x274 [ 68.851876][ T5584] do_new_mount+0x228/0x810 [ 68.852570][ T5584] path_mount+0x5b4/0x1000 [ 68.853251][ T5584] __arm64_sys_mount+0x514/0x5e4 [ 68.853968][ T5584] invoke_syscall+0x98/0x2b8 [ 68.854624][ T5584] el0_svc_common+0x138/0x258 [ 68.855352][ T5584] do_el0_svc+0x58/0x14c [ 68.856045][ T5584] el0_svc+0x78/0x1e0 [ 68.856724][ T5584] el0t_64_sync_handler+0xcc/0xe4 [ 68.857482][ T5584] el0t_64_sync+0x1a0/0x1a4 [ 68.881776][ T5588] loop3: detected capacity change from 0 to 32768 [ 68.885485][ T5584] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 68.887518][ T5584] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 68.898663][ T5582] loop0: detected capacity change from 0 to 32768 [ 68.910624][ T5586] loop1: detected capacity change from 0 to 32768 [ 68.918689][ T5588] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 68.919933][ T5588] CPU: 1 PID: 5588 Comm: syz.3.36 Not tainted syzkaller #0 [ 68.921026][ T5588] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 68.922582][ T5588] Call trace: [ 68.923099][ T5588] dump_backtrace+0x0/0x43c [ 68.923832][ T5588] show_stack+0x2c/0x3c [ 68.924486][ T5588] __dump_stack+0x30/0x40 [ 68.925164][ T5588] dump_stack_lvl+0xf8/0x160 [ 68.925865][ T5588] dump_stack+0x1c/0x5c [ 68.926571][ T5588] sysfs_create_dir_ns+0x22c/0x24c [ 68.927396][ T5588] kobject_add_internal+0x590/0xc54 [ 68.928203][ T5588] kobject_init_and_add+0x118/0x17c [ 68.929003][ T5588] gfs2_sys_fs_add+0x1dc/0x3d8 [ 68.929774][ T5588] gfs2_fill_super+0xdac/0x19e0 [ 68.930517][ T5588] get_tree_bdev+0x358/0x544 [ 68.931173][ T5588] gfs2_get_tree+0x54/0x1b4 [ 68.931792][ T5588] vfs_get_tree+0x90/0x274 [ 68.932408][ T5588] do_new_mount+0x228/0x810 [ 68.933034][ T5588] path_mount+0x5b4/0x1000 [ 68.933618][ T5588] __arm64_sys_mount+0x514/0x5e4 [ 68.934320][ T5588] invoke_syscall+0x98/0x2b8 [ 68.934971][ T5588] el0_svc_common+0x138/0x258 [ 68.935618][ T5588] do_el0_svc+0x58/0x14c [ 68.936209][ T5588] el0_svc+0x78/0x1e0 [ 68.936812][ T5588] el0t_64_sync_handler+0xcc/0xe4 [ 68.937523][ T5588] el0t_64_sync+0x1a0/0x1a4 [ 68.946724][ T5582] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 68.947964][ T5582] CPU: 0 PID: 5582 Comm: syz.0.33 Not tainted syzkaller #0 [ 68.948983][ T5582] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 68.950461][ T5582] Call trace: [ 68.950980][ T5582] dump_backtrace+0x0/0x43c [ 68.951750][ T5582] show_stack+0x2c/0x3c [ 68.952427][ T5582] __dump_stack+0x30/0x40 [ 68.953119][ T5582] dump_stack_lvl+0xf8/0x160 [ 68.953755][ T5582] dump_stack+0x1c/0x5c [ 68.954417][ T5582] sysfs_create_dir_ns+0x22c/0x24c [ 68.955240][ T5582] kobject_add_internal+0x590/0xc54 [ 68.956002][ T5582] kobject_init_and_add+0x118/0x17c [ 68.956780][ T5582] gfs2_sys_fs_add+0x1dc/0x3d8 [ 68.956964][ T5588] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 68.957469][ T5582] gfs2_fill_super+0xdac/0x19e0 [ 68.959765][ T5588] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 68.960281][ T5582] get_tree_bdev+0x358/0x544 [ 68.961875][ T5582] gfs2_get_tree+0x54/0x1b4 [ 68.962536][ T5582] vfs_get_tree+0x90/0x274 [ 68.963277][ T5582] do_new_mount+0x228/0x810 [ 68.964049][ T5582] path_mount+0x5b4/0x1000 [ 68.964801][ T5582] __arm64_sys_mount+0x514/0x5e4 [ 68.965638][ T5582] invoke_syscall+0x98/0x2b8 [ 68.966370][ T5582] el0_svc_common+0x138/0x258 [ 68.967088][ T5582] do_el0_svc+0x58/0x14c [ 68.967741][ T5582] el0_svc+0x78/0x1e0 [ 68.968332][ T5582] el0t_64_sync_handler+0xcc/0xe4 [ 68.969073][ T5582] el0t_64_sync+0x1a0/0x1a4 [ 68.971043][ T5582] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 68.973419][ T5582] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 68.982671][ T5586] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 68.983887][ T5586] CPU: 0 PID: 5586 Comm: syz.1.35 Not tainted syzkaller #0 [ 68.984910][ T5586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 68.986357][ T5586] Call trace: [ 68.986799][ T5586] dump_backtrace+0x0/0x43c [ 68.987532][ T5586] show_stack+0x2c/0x3c [ 68.988234][ T5586] __dump_stack+0x30/0x40 [ 68.988969][ T5586] dump_stack_lvl+0xf8/0x160 [ 68.989703][ T5586] dump_stack+0x1c/0x5c [ 68.990345][ T5586] sysfs_create_dir_ns+0x22c/0x24c [ 68.991140][ T5586] kobject_add_internal+0x590/0xc54 [ 68.991956][ T5586] kobject_init_and_add+0x118/0x17c [ 68.992689][ T5586] gfs2_sys_fs_add+0x1dc/0x3d8 [ 68.993373][ T5586] gfs2_fill_super+0xdac/0x19e0 [ 68.994162][ T5586] get_tree_bdev+0x358/0x544 [ 68.994883][ T5586] gfs2_get_tree+0x54/0x1b4 [ 68.995568][ T5586] vfs_get_tree+0x90/0x274 [ 68.996261][ T5586] do_new_mount+0x228/0x810 [ 68.997025][ T5586] path_mount+0x5b4/0x1000 [ 68.997757][ T5586] __arm64_sys_mount+0x514/0x5e4 [ 68.998504][ T5586] invoke_syscall+0x98/0x2b8 [ 68.999193][ T5586] el0_svc_common+0x138/0x258 [ 68.999943][ T5586] do_el0_svc+0x58/0x14c [ 69.000634][ T5586] el0_svc+0x78/0x1e0 [ 69.001271][ T5586] el0t_64_sync_handler+0xcc/0xe4 [ 69.002056][ T5586] el0t_64_sync+0x1a0/0x1a4 [ 69.043928][ T5586] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 69.045922][ T5586] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 69.126872][ T5590] loop4: detected capacity change from 0 to 32768 [ 69.160721][ T5590] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 69.161956][ T5590] CPU: 1 PID: 5590 Comm: syz.4.37 Not tainted syzkaller #0 [ 69.163007][ T5590] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 69.164485][ T5590] Call trace: [ 69.165004][ T5590] dump_backtrace+0x0/0x43c [ 69.165675][ T5590] show_stack+0x2c/0x3c [ 69.166264][ T5590] __dump_stack+0x30/0x40 [ 69.166916][ T5590] dump_stack_lvl+0xf8/0x160 [ 69.167620][ T5590] dump_stack+0x1c/0x5c [ 69.168339][ T5590] sysfs_create_dir_ns+0x22c/0x24c [ 69.169159][ T5590] kobject_add_internal+0x590/0xc54 [ 69.169997][ T5590] kobject_init_and_add+0x118/0x17c [ 69.170780][ T5590] gfs2_sys_fs_add+0x1dc/0x3d8 [ 69.171596][ T5590] gfs2_fill_super+0xdac/0x19e0 [ 69.172369][ T5590] get_tree_bdev+0x358/0x544 [ 69.173089][ T5590] gfs2_get_tree+0x54/0x1b4 [ 69.173848][ T5590] vfs_get_tree+0x90/0x274 [ 69.174569][ T5590] do_new_mount+0x228/0x810 [ 69.175238][ T5590] path_mount+0x5b4/0x1000 [ 69.175951][ T5590] __arm64_sys_mount+0x514/0x5e4 [ 69.176821][ T5590] invoke_syscall+0x98/0x2b8 [ 69.177573][ T5590] el0_svc_common+0x138/0x258 [ 69.178410][ T5590] do_el0_svc+0x58/0x14c [ 69.179152][ T5590] el0_svc+0x78/0x1e0 [ 69.179830][ T5590] el0t_64_sync_handler+0xcc/0xe4 [ 69.180640][ T5590] el0t_64_sync+0x1a0/0x1a4 [ 69.212308][ T5590] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 69.216141][ T5590] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 69.217694][ T5588] loop3: detected capacity change from 0 to 32768 [ 69.245993][ T5592] loop0: detected capacity change from 0 to 32768 [ 69.276160][ T5588] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 69.277298][ T5588] CPU: 0 PID: 5588 Comm: syz.3.36 Not tainted syzkaller #0 [ 69.278349][ T5588] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 69.279824][ T5588] Call trace: [ 69.280283][ T5588] dump_backtrace+0x0/0x43c [ 69.280937][ T5588] show_stack+0x2c/0x3c [ 69.281507][ T5588] __dump_stack+0x30/0x40 [ 69.282130][ T5588] dump_stack_lvl+0xf8/0x160 [ 69.282918][ T5588] dump_stack+0x1c/0x5c [ 69.283576][ T5588] sysfs_create_dir_ns+0x22c/0x24c [ 69.284376][ T5588] kobject_add_internal+0x590/0xc54 [ 69.285192][ T5588] kobject_init_and_add+0x118/0x17c [ 69.286068][ T5588] gfs2_sys_fs_add+0x1dc/0x3d8 [ 69.286866][ T5588] gfs2_fill_super+0xdac/0x19e0 [ 69.287673][ T5588] get_tree_bdev+0x358/0x544 [ 69.288424][ T5588] gfs2_get_tree+0x54/0x1b4 [ 69.289221][ T5588] vfs_get_tree+0x90/0x274 [ 69.289935][ T5588] do_new_mount+0x228/0x810 [ 69.290651][ T5588] path_mount+0x5b4/0x1000 [ 69.291366][ T5588] __arm64_sys_mount+0x514/0x5e4 [ 69.292132][ T5588] invoke_syscall+0x98/0x2b8 [ 69.292834][ T5588] el0_svc_common+0x138/0x258 [ 69.293539][ T5588] do_el0_svc+0x58/0x14c [ 69.294188][ T5588] el0_svc+0x78/0x1e0 [ 69.294828][ T5588] el0t_64_sync_handler+0xcc/0xe4 [ 69.295654][ T5588] el0t_64_sync+0x1a0/0x1a4 [ 69.305629][ T5592] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 69.306805][ T5592] CPU: 0 PID: 5592 Comm: syz.0.38 Not tainted syzkaller #0 [ 69.307848][ T5592] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 69.309292][ T5592] Call trace: [ 69.309804][ T5592] dump_backtrace+0x0/0x43c [ 69.310469][ T5592] show_stack+0x2c/0x3c [ 69.311065][ T5592] __dump_stack+0x30/0x40 [ 69.311703][ T5592] dump_stack_lvl+0xf8/0x160 [ 69.312462][ T5592] dump_stack+0x1c/0x5c [ 69.313141][ T5592] sysfs_create_dir_ns+0x22c/0x24c [ 69.313984][ T5592] kobject_add_internal+0x590/0xc54 [ 69.314795][ T5592] kobject_init_and_add+0x118/0x17c [ 69.315575][ T5592] gfs2_sys_fs_add+0x1dc/0x3d8 [ 69.316324][ T5592] gfs2_fill_super+0xdac/0x19e0 [ 69.317088][ T5592] get_tree_bdev+0x358/0x544 [ 69.317796][ T5592] gfs2_get_tree+0x54/0x1b4 [ 69.318466][ T5592] vfs_get_tree+0x90/0x274 [ 69.319115][ T5592] do_new_mount+0x228/0x810 [ 69.319809][ T5592] path_mount+0x5b4/0x1000 [ 69.320544][ T5592] __arm64_sys_mount+0x514/0x5e4 [ 69.321344][ T5592] invoke_syscall+0x98/0x2b8 [ 69.322099][ T5592] el0_svc_common+0x138/0x258 [ 69.322818][ T5592] do_el0_svc+0x58/0x14c [ 69.323493][ T5592] el0_svc+0x78/0x1e0 [ 69.324088][ T5592] el0t_64_sync_handler+0xcc/0xe4 [ 69.324895][ T5592] el0t_64_sync+0x1a0/0x1a4 [ 69.336550][ T5594] loop1: detected capacity change from 0 to 32768 [ 69.337740][ T5592] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 69.339844][ T5592] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 69.341152][ T5588] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 69.343010][ T5588] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 69.376626][ T5594] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 69.377768][ T5594] CPU: 0 PID: 5594 Comm: syz.1.39 Not tainted syzkaller #0 [ 69.378763][ T5594] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 69.380176][ T5594] Call trace: [ 69.380679][ T5594] dump_backtrace+0x0/0x43c [ 69.381350][ T5594] show_stack+0x2c/0x3c [ 69.381885][ T5594] __dump_stack+0x30/0x40 [ 69.382492][ T5594] dump_stack_lvl+0xf8/0x160 [ 69.383128][ T5594] dump_stack+0x1c/0x5c [ 69.383778][ T5594] sysfs_create_dir_ns+0x22c/0x24c [ 69.384584][ T5594] kobject_add_internal+0x590/0xc54 [ 69.385370][ T5594] kobject_init_and_add+0x118/0x17c [ 69.386115][ T5594] gfs2_sys_fs_add+0x1dc/0x3d8 [ 69.386851][ T5594] gfs2_fill_super+0xdac/0x19e0 [ 69.387542][ T5594] get_tree_bdev+0x358/0x544 [ 69.388253][ T5594] gfs2_get_tree+0x54/0x1b4 [ 69.388942][ T5594] vfs_get_tree+0x90/0x274 [ 69.389572][ T5594] do_new_mount+0x228/0x810 [ 69.390243][ T5594] path_mount+0x5b4/0x1000 [ 69.390941][ T5594] __arm64_sys_mount+0x514/0x5e4 [ 69.391689][ T5594] invoke_syscall+0x98/0x2b8 [ 69.392333][ T5594] el0_svc_common+0x138/0x258 [ 69.393121][ T5594] do_el0_svc+0x58/0x14c [ 69.393816][ T5594] el0_svc+0x78/0x1e0 [ 69.394438][ T5594] el0t_64_sync_handler+0xcc/0xe4 [ 69.395250][ T5594] el0t_64_sync+0x1a0/0x1a4 [ 69.406542][ T5590] loop4: detected capacity change from 0 to 32768 [ 69.411926][ T5594] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 69.416669][ T5594] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 69.485864][ T5590] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 69.487181][ T5590] CPU: 1 PID: 5590 Comm: syz.4.37 Not tainted syzkaller #0 [ 69.488384][ T5590] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 69.490013][ T5590] Call trace: [ 69.490557][ T5590] dump_backtrace+0x0/0x43c [ 69.491304][ T5590] show_stack+0x2c/0x3c [ 69.491966][ T5590] __dump_stack+0x30/0x40 [ 69.492667][ T5590] dump_stack_lvl+0xf8/0x160 [ 69.493435][ T5590] dump_stack+0x1c/0x5c [ 69.494093][ T5590] sysfs_create_dir_ns+0x22c/0x24c [ 69.494892][ T5590] kobject_add_internal+0x590/0xc54 [ 69.495744][ T5590] kobject_init_and_add+0x118/0x17c [ 69.496593][ T5590] gfs2_sys_fs_add+0x1dc/0x3d8 [ 69.497391][ T5590] gfs2_fill_super+0xdac/0x19e0 [ 69.498221][ T5590] get_tree_bdev+0x358/0x544 [ 69.498997][ T5590] gfs2_get_tree+0x54/0x1b4 [ 69.499721][ T5590] vfs_get_tree+0x90/0x274 [ 69.500396][ T5590] do_new_mount+0x228/0x810 [ 69.501067][ T5590] path_mount+0x5b4/0x1000 [ 69.501682][ T5590] __arm64_sys_mount+0x514/0x5e4 [ 69.502464][ T5590] invoke_syscall+0x98/0x2b8 [ 69.503236][ T5590] el0_svc_common+0x138/0x258 [ 69.503976][ T5590] do_el0_svc+0x58/0x14c [ 69.504657][ T5590] el0_svc+0x78/0x1e0 [ 69.505289][ T5590] el0t_64_sync_handler+0xcc/0xe4 [ 69.506061][ T5590] el0t_64_sync+0x1a0/0x1a4 1970/01/01 00:01:09 executed programs: 35 [ 69.544336][ T5590] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 69.547369][ T5590] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 69.552565][ T5592] loop0: detected capacity change from 0 to 32768 [ 69.608194][ T5592] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 69.609376][ T5592] CPU: 0 PID: 5592 Comm: syz.0.38 Not tainted syzkaller #0 [ 69.610401][ T5592] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 69.611824][ T5592] Call trace: [ 69.612299][ T5592] dump_backtrace+0x0/0x43c [ 69.612969][ T5592] show_stack+0x2c/0x3c [ 69.613612][ T5592] __dump_stack+0x30/0x40 [ 69.614245][ T5592] dump_stack_lvl+0xf8/0x160 [ 69.615066][ T5592] dump_stack+0x1c/0x5c [ 69.615731][ T5592] sysfs_create_dir_ns+0x22c/0x24c [ 69.616527][ T5592] kobject_add_internal+0x590/0xc54 [ 69.617352][ T5592] kobject_init_and_add+0x118/0x17c [ 69.618193][ T5592] gfs2_sys_fs_add+0x1dc/0x3d8 [ 69.619010][ T5592] gfs2_fill_super+0xdac/0x19e0 [ 69.619746][ T5592] get_tree_bdev+0x358/0x544 [ 69.620488][ T5592] gfs2_get_tree+0x54/0x1b4 [ 69.621254][ T5592] vfs_get_tree+0x90/0x274 [ 69.621984][ T5592] do_new_mount+0x228/0x810 [ 69.622758][ T5592] path_mount+0x5b4/0x1000 [ 69.623471][ T5592] __arm64_sys_mount+0x514/0x5e4 [ 69.624257][ T5592] invoke_syscall+0x98/0x2b8 [ 69.624987][ T5592] el0_svc_common+0x138/0x258 [ 69.625055][ T1970] cfg80211: failed to load regulatory.db [ 69.625750][ T5592] do_el0_svc+0x58/0x14c [ 69.627145][ T2066] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.627392][ T5592] el0_svc+0x78/0x1e0 [ 69.628385][ T2066] ieee802154 phy1 wpan1: encryption failed: -22 [ 69.628947][ T5592] el0t_64_sync_handler+0xcc/0xe4 [ 69.630729][ T5592] el0t_64_sync+0x1a0/0x1a4 [ 69.723562][ T5592] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 69.743790][ T5592] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 69.802566][ T5596] loop3: detected capacity change from 0 to 32768 [ 69.837062][ T5596] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 69.838268][ T5596] CPU: 1 PID: 5596 Comm: syz.3.40 Not tainted syzkaller #0 [ 69.839330][ T5596] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 69.840776][ T5596] Call trace: [ 69.841241][ T5596] dump_backtrace+0x0/0x43c [ 69.841876][ T5596] show_stack+0x2c/0x3c [ 69.842508][ T5596] __dump_stack+0x30/0x40 [ 69.843134][ T5596] dump_stack_lvl+0xf8/0x160 [ 69.843808][ T5596] dump_stack+0x1c/0x5c [ 69.844405][ T5596] sysfs_create_dir_ns+0x22c/0x24c [ 69.845281][ T5596] kobject_add_internal+0x590/0xc54 [ 69.846164][ T5596] kobject_init_and_add+0x118/0x17c [ 69.847052][ T5596] gfs2_sys_fs_add+0x1dc/0x3d8 [ 69.847863][ T5596] gfs2_fill_super+0xdac/0x19e0 [ 69.848672][ T5596] get_tree_bdev+0x358/0x544 [ 69.849357][ T5596] gfs2_get_tree+0x54/0x1b4 [ 69.850062][ T5596] vfs_get_tree+0x90/0x274 [ 69.850823][ T5596] do_new_mount+0x228/0x810 [ 69.851576][ T5596] path_mount+0x5b4/0x1000 [ 69.852303][ T5596] __arm64_sys_mount+0x514/0x5e4 [ 69.853144][ T5596] invoke_syscall+0x98/0x2b8 [ 69.853944][ T5596] el0_svc_common+0x138/0x258 [ 69.854770][ T5596] do_el0_svc+0x58/0x14c [ 69.855459][ T5596] el0_svc+0x78/0x1e0 [ 69.856112][ T5596] el0t_64_sync_handler+0xcc/0xe4 [ 69.856972][ T5596] el0t_64_sync+0x1a0/0x1a4 [ 69.873259][ T5594] loop1: detected capacity change from 0 to 32768 [ 69.890520][ T5594] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 69.891638][ T5594] CPU: 1 PID: 5594 Comm: syz.1.39 Not tainted syzkaller #0 [ 69.892174][ T5598] loop4: detected capacity change from 0 to 32768 [ 69.892699][ T5594] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 69.895325][ T5594] Call trace: [ 69.895828][ T5594] dump_backtrace+0x0/0x43c [ 69.896573][ T5594] show_stack+0x2c/0x3c [ 69.897224][ T5594] __dump_stack+0x30/0x40 [ 69.897869][ T5594] dump_stack_lvl+0xf8/0x160 [ 69.898634][ T5594] dump_stack+0x1c/0x5c [ 69.899286][ T5594] sysfs_create_dir_ns+0x22c/0x24c [ 69.900103][ T5594] kobject_add_internal+0x590/0xc54 [ 69.900919][ T5594] kobject_init_and_add+0x118/0x17c [ 69.901794][ T5594] gfs2_sys_fs_add+0x1dc/0x3d8 [ 69.902593][ T5594] gfs2_fill_super+0xdac/0x19e0 [ 69.903377][ T5594] get_tree_bdev+0x358/0x544 [ 69.904103][ T5594] gfs2_get_tree+0x54/0x1b4 [ 69.904808][ T5594] vfs_get_tree+0x90/0x274 [ 69.905491][ T5594] do_new_mount+0x228/0x810 [ 69.906178][ T5594] path_mount+0x5b4/0x1000 [ 69.906845][ T5594] __arm64_sys_mount+0x514/0x5e4 [ 69.907602][ T5594] invoke_syscall+0x98/0x2b8 [ 69.908336][ T5594] el0_svc_common+0x138/0x258 [ 69.909087][ T5594] do_el0_svc+0x58/0x14c [ 69.909795][ T5594] el0_svc+0x78/0x1e0 [ 69.910468][ T5594] el0t_64_sync_handler+0xcc/0xe4 [ 69.911293][ T5594] el0t_64_sync+0x1a0/0x1a4 [ 69.927649][ T5596] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 69.929659][ T5596] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 69.944531][ T5594] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 69.945843][ T5598] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 69.946409][ T5594] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 69.947584][ T5598] CPU: 0 PID: 5598 Comm: syz.4.41 Not tainted syzkaller #0 [ 69.949629][ T5598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 69.951269][ T5598] Call trace: [ 69.951730][ T5598] dump_backtrace+0x0/0x43c [ 69.952430][ T5598] show_stack+0x2c/0x3c [ 69.953076][ T5598] __dump_stack+0x30/0x40 [ 69.953715][ T5598] dump_stack_lvl+0xf8/0x160 [ 69.954462][ T5598] dump_stack+0x1c/0x5c [ 69.955038][ T5598] sysfs_create_dir_ns+0x22c/0x24c [ 69.955900][ T5598] kobject_add_internal+0x590/0xc54 [ 69.956802][ T5598] kobject_init_and_add+0x118/0x17c [ 69.957625][ T5598] gfs2_sys_fs_add+0x1dc/0x3d8 [ 69.958437][ T5598] gfs2_fill_super+0xdac/0x19e0 [ 69.959180][ T5598] get_tree_bdev+0x358/0x544 [ 69.959949][ T5598] gfs2_get_tree+0x54/0x1b4 [ 69.960653][ T5598] vfs_get_tree+0x90/0x274 [ 69.961374][ T5598] do_new_mount+0x228/0x810 [ 69.961993][ T5598] path_mount+0x5b4/0x1000 [ 69.962640][ T5598] __arm64_sys_mount+0x514/0x5e4 [ 69.963344][ T5598] invoke_syscall+0x98/0x2b8 [ 69.964032][ T5598] el0_svc_common+0x138/0x258 [ 69.964724][ T5598] do_el0_svc+0x58/0x14c [ 69.965356][ T5598] el0_svc+0x78/0x1e0 [ 69.965970][ T5598] el0t_64_sync_handler+0xcc/0xe4 [ 69.966759][ T5598] el0t_64_sync+0x1a0/0x1a4 [ 70.003548][ T5598] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 70.011810][ T5598] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 70.201625][ T5601] loop0: detected capacity change from 0 to 32768 [ 70.218165][ T5601] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 70.219334][ T5601] CPU: 0 PID: 5601 Comm: syz.0.42 Not tainted syzkaller #0 [ 70.220465][ T5601] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 70.222015][ T5601] Call trace: [ 70.222521][ T5601] dump_backtrace+0x0/0x43c [ 70.223257][ T5601] show_stack+0x2c/0x3c [ 70.223921][ T5601] __dump_stack+0x30/0x40 [ 70.224567][ T5601] dump_stack_lvl+0xf8/0x160 [ 70.225254][ T5601] dump_stack+0x1c/0x5c [ 70.225918][ T5601] sysfs_create_dir_ns+0x22c/0x24c [ 70.226634][ T5601] kobject_add_internal+0x590/0xc54 [ 70.227376][ T5601] kobject_init_and_add+0x118/0x17c [ 70.228211][ T5601] gfs2_sys_fs_add+0x1dc/0x3d8 [ 70.228984][ T5601] gfs2_fill_super+0xdac/0x19e0 [ 70.229749][ T5601] get_tree_bdev+0x358/0x544 [ 70.230444][ T5601] gfs2_get_tree+0x54/0x1b4 [ 70.231098][ T5601] vfs_get_tree+0x90/0x274 [ 70.231785][ T5601] do_new_mount+0x228/0x810 [ 70.232584][ T5601] path_mount+0x5b4/0x1000 [ 70.233299][ T5601] __arm64_sys_mount+0x514/0x5e4 [ 70.234030][ T5601] invoke_syscall+0x98/0x2b8 [ 70.234702][ T5601] el0_svc_common+0x138/0x258 [ 70.235410][ T5601] do_el0_svc+0x58/0x14c [ 70.236017][ T5601] el0_svc+0x78/0x1e0 [ 70.236625][ T5601] el0t_64_sync_handler+0xcc/0xe4 [ 70.237273][ T5601] el0t_64_sync+0x1a0/0x1a4 [ 70.271521][ T5601] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 70.273531][ T5601] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 70.278676][ T5603] loop1: detected capacity change from 0 to 32768 [ 70.296955][ T5598] loop4: detected capacity change from 0 to 32768 [ 70.323531][ T5596] loop3: detected capacity change from 0 to 32768 [ 70.327491][ T5598] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 70.328702][ T5598] CPU: 0 PID: 5598 Comm: syz.4.41 Not tainted syzkaller #0 [ 70.329871][ T5598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 70.331535][ T5598] Call trace: [ 70.332109][ T5598] dump_backtrace+0x0/0x43c [ 70.332846][ T5598] show_stack+0x2c/0x3c [ 70.333482][ T5598] __dump_stack+0x30/0x40 [ 70.334173][ T5598] dump_stack_lvl+0xf8/0x160 [ 70.334895][ T5598] dump_stack+0x1c/0x5c [ 70.335598][ T5598] sysfs_create_dir_ns+0x22c/0x24c [ 70.336425][ T5598] kobject_add_internal+0x590/0xc54 [ 70.337239][ T5598] kobject_init_and_add+0x118/0x17c [ 70.338033][ T5598] gfs2_sys_fs_add+0x1dc/0x3d8 [ 70.338790][ T5598] gfs2_fill_super+0xdac/0x19e0 [ 70.339558][ T5598] get_tree_bdev+0x358/0x544 [ 70.340331][ T5598] gfs2_get_tree+0x54/0x1b4 [ 70.341077][ T5598] vfs_get_tree+0x90/0x274 [ 70.341736][ T5598] do_new_mount+0x228/0x810 [ 70.342489][ T5598] path_mount+0x5b4/0x1000 [ 70.343106][ T5598] __arm64_sys_mount+0x514/0x5e4 [ 70.343873][ T5598] invoke_syscall+0x98/0x2b8 [ 70.344588][ T5598] el0_svc_common+0x138/0x258 [ 70.345282][ T5598] do_el0_svc+0x58/0x14c [ 70.345960][ T5598] el0_svc+0x78/0x1e0 [ 70.346561][ T5598] el0t_64_sync_handler+0xcc/0xe4 [ 70.347266][ T5598] el0t_64_sync+0x1a0/0x1a4 [ 70.357134][ T5598] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 70.359160][ T5598] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 70.377236][ T5603] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 70.377252][ T5596] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 70.378476][ T5603] CPU: 1 PID: 5603 Comm: syz.1.43 Not tainted syzkaller #0 [ 70.380700][ T5603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 70.382385][ T5603] Call trace: [ 70.382889][ T5603] dump_backtrace+0x0/0x43c [ 70.383601][ T5603] show_stack+0x2c/0x3c [ 70.384269][ T5603] __dump_stack+0x30/0x40 [ 70.384949][ T5603] dump_stack_lvl+0xf8/0x160 [ 70.385639][ T5603] dump_stack+0x1c/0x5c [ 70.386275][ T5603] sysfs_create_dir_ns+0x22c/0x24c [ 70.387164][ T5603] kobject_add_internal+0x590/0xc54 [ 70.388012][ T5603] kobject_init_and_add+0x118/0x17c [ 70.388846][ T5603] gfs2_sys_fs_add+0x1dc/0x3d8 [ 70.389618][ T5603] gfs2_fill_super+0xdac/0x19e0 [ 70.390430][ T5603] get_tree_bdev+0x358/0x544 [ 70.391182][ T5603] gfs2_get_tree+0x54/0x1b4 [ 70.391924][ T5603] vfs_get_tree+0x90/0x274 [ 70.392599][ T5603] do_new_mount+0x228/0x810 [ 70.393306][ T5603] path_mount+0x5b4/0x1000 [ 70.393944][ T5603] __arm64_sys_mount+0x514/0x5e4 [ 70.394713][ T5603] invoke_syscall+0x98/0x2b8 [ 70.395445][ T5603] el0_svc_common+0x138/0x258 [ 70.396163][ T5603] do_el0_svc+0x58/0x14c [ 70.396804][ T5603] el0_svc+0x78/0x1e0 [ 70.397483][ T5603] el0t_64_sync_handler+0xcc/0xe4 [ 70.398341][ T5603] el0t_64_sync+0x1a0/0x1a4 [ 70.399043][ T5596] CPU: 0 PID: 5596 Comm: syz.3.40 Not tainted syzkaller #0 [ 70.400074][ T5596] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 70.401511][ T5596] Call trace: [ 70.401953][ T5596] dump_backtrace+0x0/0x43c [ 70.402583][ T5596] show_stack+0x2c/0x3c [ 70.403256][ T5596] __dump_stack+0x30/0x40 [ 70.403861][ T5596] dump_stack_lvl+0xf8/0x160 [ 70.404532][ T5596] dump_stack+0x1c/0x5c [ 70.405101][ T5596] sysfs_create_dir_ns+0x22c/0x24c [ 70.405790][ T5596] kobject_add_internal+0x590/0xc54 [ 70.406504][ T5596] kobject_init_and_add+0x118/0x17c [ 70.407232][ T5596] gfs2_sys_fs_add+0x1dc/0x3d8 [ 70.408011][ T5596] gfs2_fill_super+0xdac/0x19e0 [ 70.408787][ T5596] get_tree_bdev+0x358/0x544 [ 70.409514][ T5596] gfs2_get_tree+0x54/0x1b4 [ 70.410218][ T5596] vfs_get_tree+0x90/0x274 [ 70.410889][ T5596] do_new_mount+0x228/0x810 [ 70.411556][ T5596] path_mount+0x5b4/0x1000 [ 70.412208][ T5596] __arm64_sys_mount+0x514/0x5e4 [ 70.412941][ T5596] invoke_syscall+0x98/0x2b8 [ 70.413581][ T5596] el0_svc_common+0x138/0x258 [ 70.414245][ T5596] do_el0_svc+0x58/0x14c [ 70.414892][ T5596] el0_svc+0x78/0x1e0 [ 70.415472][ T5596] el0t_64_sync_handler+0xcc/0xe4 [ 70.416141][ T5596] el0t_64_sync+0x1a0/0x1a4 [ 70.418694][ T5603] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 70.418893][ T5596] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 70.422407][ T5596] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 70.423355][ T5603] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 70.439497][ T5601] loop0: detected capacity change from 0 to 32768 [ 70.484838][ T5601] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 70.489581][ T5601] CPU: 1 PID: 5601 Comm: syz.0.42 Not tainted syzkaller #0 [ 70.490643][ T5601] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 70.492194][ T5601] Call trace: [ 70.492752][ T5601] dump_backtrace+0x0/0x43c [ 70.493497][ T5601] show_stack+0x2c/0x3c [ 70.494156][ T5601] __dump_stack+0x30/0x40 [ 70.494872][ T5601] dump_stack_lvl+0xf8/0x160 [ 70.495576][ T5601] dump_stack+0x1c/0x5c [ 70.496215][ T5601] sysfs_create_dir_ns+0x22c/0x24c [ 70.496955][ T5601] kobject_add_internal+0x590/0xc54 [ 70.497789][ T5601] kobject_init_and_add+0x118/0x17c [ 70.498653][ T5601] gfs2_sys_fs_add+0x1dc/0x3d8 [ 70.499420][ T5601] gfs2_fill_super+0xdac/0x19e0 [ 70.500302][ T5601] get_tree_bdev+0x358/0x544 [ 70.501077][ T5601] gfs2_get_tree+0x54/0x1b4 [ 70.501828][ T5601] vfs_get_tree+0x90/0x274 [ 70.502586][ T5601] do_new_mount+0x228/0x810 [ 70.503301][ T5601] path_mount+0x5b4/0x1000 [ 70.504008][ T5601] __arm64_sys_mount+0x514/0x5e4 [ 70.504806][ T5601] invoke_syscall+0x98/0x2b8 [ 70.505612][ T5601] el0_svc_common+0x138/0x258 [ 70.506387][ T5601] do_el0_svc+0x58/0x14c [ 70.507073][ T5601] el0_svc+0x78/0x1e0 [ 70.507666][ T5601] el0t_64_sync_handler+0xcc/0xe4 [ 70.508425][ T5601] el0t_64_sync+0x1a0/0x1a4 [ 70.510805][ T5601] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 70.512845][ T5601] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 70.645643][ T5605] loop4: detected capacity change from 0 to 32768 [ 70.678331][ T5605] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 70.679511][ T5605] CPU: 0 PID: 5605 Comm: syz.4.44 Not tainted syzkaller #0 [ 70.680705][ T5605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 70.682328][ T5605] Call trace: [ 70.682857][ T5605] dump_backtrace+0x0/0x43c [ 70.683613][ T5605] show_stack+0x2c/0x3c [ 70.684273][ T5605] __dump_stack+0x30/0x40 [ 70.684963][ T5605] dump_stack_lvl+0xf8/0x160 [ 70.685659][ T5605] dump_stack+0x1c/0x5c [ 70.686297][ T5605] sysfs_create_dir_ns+0x22c/0x24c [ 70.687168][ T5605] kobject_add_internal+0x590/0xc54 [ 70.688000][ T5605] kobject_init_and_add+0x118/0x17c [ 70.688806][ T5605] gfs2_sys_fs_add+0x1dc/0x3d8 [ 70.689546][ T5605] gfs2_fill_super+0xdac/0x19e0 [ 70.690288][ T5605] get_tree_bdev+0x358/0x544 [ 70.690952][ T5605] gfs2_get_tree+0x54/0x1b4 [ 70.691598][ T5605] vfs_get_tree+0x90/0x274 [ 70.692256][ T5605] do_new_mount+0x228/0x810 [ 70.692985][ T5605] path_mount+0x5b4/0x1000 [ 70.693667][ T5605] __arm64_sys_mount+0x514/0x5e4 [ 70.694503][ T5605] invoke_syscall+0x98/0x2b8 [ 70.695291][ T5605] el0_svc_common+0x138/0x258 [ 70.696052][ T5605] do_el0_svc+0x58/0x14c [ 70.696688][ T5605] el0_svc+0x78/0x1e0 [ 70.697330][ T5605] el0t_64_sync_handler+0xcc/0xe4 [ 70.698032][ T5605] el0t_64_sync+0x1a0/0x1a4 [ 70.734853][ T5605] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 70.736850][ T5605] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 70.787165][ T5603] loop1: detected capacity change from 0 to 32768 [ 70.796329][ T5603] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 70.797458][ T5603] CPU: 1 PID: 5603 Comm: syz.1.43 Not tainted syzkaller #0 [ 70.798480][ T5603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 70.800000][ T5603] Call trace: [ 70.800470][ T5603] dump_backtrace+0x0/0x43c [ 70.801135][ T5603] show_stack+0x2c/0x3c [ 70.801783][ T5603] __dump_stack+0x30/0x40 [ 70.802462][ T5603] dump_stack_lvl+0xf8/0x160 [ 70.803171][ T5603] dump_stack+0x1c/0x5c [ 70.803864][ T5603] sysfs_create_dir_ns+0x22c/0x24c [ 70.804682][ T5603] kobject_add_internal+0x590/0xc54 [ 70.805550][ T5603] kobject_init_and_add+0x118/0x17c [ 70.806385][ T5603] gfs2_sys_fs_add+0x1dc/0x3d8 [ 70.807162][ T5603] gfs2_fill_super+0xdac/0x19e0 [ 70.807945][ T5603] get_tree_bdev+0x358/0x544 [ 70.808658][ T5603] gfs2_get_tree+0x54/0x1b4 [ 70.809345][ T5603] vfs_get_tree+0x90/0x274 [ 70.810100][ T5603] do_new_mount+0x228/0x810 [ 70.810821][ T5603] path_mount+0x5b4/0x1000 [ 70.811559][ T5603] __arm64_sys_mount+0x514/0x5e4 [ 70.812323][ T5603] invoke_syscall+0x98/0x2b8 [ 70.813071][ T5603] el0_svc_common+0x138/0x258 [ 70.813785][ T5603] do_el0_svc+0x58/0x14c [ 70.814460][ T5603] el0_svc+0x78/0x1e0 [ 70.815027][ T5603] el0t_64_sync_handler+0xcc/0xe4 [ 70.815762][ T5603] el0t_64_sync+0x1a0/0x1a4 [ 70.844355][ T5603] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 70.846481][ T5603] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 70.855345][ T5607] loop3: detected capacity change from 0 to 32768 [ 70.887926][ T5607] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 70.889017][ T5607] CPU: 0 PID: 5607 Comm: syz.3.45 Not tainted syzkaller #0 [ 70.890065][ T5607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 70.891693][ T5607] Call trace: [ 70.892189][ T5607] dump_backtrace+0x0/0x43c [ 70.892869][ T5607] show_stack+0x2c/0x3c [ 70.893521][ T5607] __dump_stack+0x30/0x40 [ 70.894237][ T5607] dump_stack_lvl+0xf8/0x160 [ 70.894993][ T5607] dump_stack+0x1c/0x5c [ 70.895584][ T5607] sysfs_create_dir_ns+0x22c/0x24c [ 70.896345][ T5607] kobject_add_internal+0x590/0xc54 [ 70.897081][ T5607] kobject_init_and_add+0x118/0x17c [ 70.897861][ T5607] gfs2_sys_fs_add+0x1dc/0x3d8 [ 70.898538][ T5607] gfs2_fill_super+0xdac/0x19e0 [ 70.899204][ T5607] get_tree_bdev+0x358/0x544 [ 70.899946][ T5607] gfs2_get_tree+0x54/0x1b4 [ 70.900712][ T5607] vfs_get_tree+0x90/0x274 [ 70.901384][ T5607] do_new_mount+0x228/0x810 [ 70.902104][ T5607] path_mount+0x5b4/0x1000 [ 70.902831][ T5607] __arm64_sys_mount+0x514/0x5e4 [ 70.903638][ T5607] invoke_syscall+0x98/0x2b8 [ 70.904344][ T5607] el0_svc_common+0x138/0x258 [ 70.905033][ T5607] do_el0_svc+0x58/0x14c [ 70.905691][ T5607] el0_svc+0x78/0x1e0 [ 70.906298][ T5607] el0t_64_sync_handler+0xcc/0xe4 [ 70.907148][ T5607] el0t_64_sync+0x1a0/0x1a4 [ 70.912810][ T5609] loop0: detected capacity change from 0 to 32768 [ 70.945968][ T5607] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 70.948113][ T5607] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 70.978767][ T5605] loop4: detected capacity change from 0 to 32768 [ 70.979132][ T5609] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 70.980981][ T5609] CPU: 1 PID: 5609 Comm: syz.0.46 Not tainted syzkaller #0 [ 70.982053][ T5609] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 70.983420][ T5609] Call trace: [ 70.983865][ T5609] dump_backtrace+0x0/0x43c [ 70.984540][ T5609] show_stack+0x2c/0x3c [ 70.985210][ T5609] __dump_stack+0x30/0x40 [ 70.985892][ T5609] dump_stack_lvl+0xf8/0x160 [ 70.986625][ T5609] dump_stack+0x1c/0x5c [ 70.987306][ T5609] sysfs_create_dir_ns+0x22c/0x24c [ 70.988074][ T5609] kobject_add_internal+0x590/0xc54 [ 70.988875][ T5609] kobject_init_and_add+0x118/0x17c [ 70.989731][ T5609] gfs2_sys_fs_add+0x1dc/0x3d8 [ 70.990505][ T5609] gfs2_fill_super+0xdac/0x19e0 [ 70.991329][ T5609] get_tree_bdev+0x358/0x544 [ 70.992127][ T5609] gfs2_get_tree+0x54/0x1b4 [ 70.992865][ T5609] vfs_get_tree+0x90/0x274 [ 70.993557][ T5609] do_new_mount+0x228/0x810 [ 70.994257][ T5609] path_mount+0x5b4/0x1000 [ 70.994979][ T5609] __arm64_sys_mount+0x514/0x5e4 [ 70.995808][ T5609] invoke_syscall+0x98/0x2b8 [ 70.996509][ T5609] el0_svc_common+0x138/0x258 [ 70.997274][ T5609] do_el0_svc+0x58/0x14c [ 70.997974][ T5609] el0_svc+0x78/0x1e0 [ 70.998618][ T5609] el0t_64_sync_handler+0xcc/0xe4 [ 70.999402][ T5609] el0t_64_sync+0x1a0/0x1a4 [ 71.007370][ T5605] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 71.008438][ T5605] CPU: 0 PID: 5605 Comm: syz.4.44 Not tainted syzkaller #0 [ 71.009522][ T5605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 71.011117][ T5605] Call trace: [ 71.011600][ T5605] dump_backtrace+0x0/0x43c [ 71.012331][ T5605] show_stack+0x2c/0x3c [ 71.012935][ T5605] __dump_stack+0x30/0x40 [ 71.013546][ T5605] dump_stack_lvl+0xf8/0x160 [ 71.014221][ T5605] dump_stack+0x1c/0x5c [ 71.014840][ T5605] sysfs_create_dir_ns+0x22c/0x24c [ 71.015570][ T5605] kobject_add_internal+0x590/0xc54 [ 71.016303][ T5605] kobject_init_and_add+0x118/0x17c [ 71.017072][ T5605] gfs2_sys_fs_add+0x1dc/0x3d8 [ 71.017756][ T5605] gfs2_fill_super+0xdac/0x19e0 [ 71.018460][ T5605] get_tree_bdev+0x358/0x544 [ 71.019130][ T5605] gfs2_get_tree+0x54/0x1b4 [ 71.019823][ T5605] vfs_get_tree+0x90/0x274 [ 71.020432][ T5605] do_new_mount+0x228/0x810 [ 71.021127][ T5605] path_mount+0x5b4/0x1000 [ 71.021859][ T5605] __arm64_sys_mount+0x514/0x5e4 [ 71.022623][ T5605] invoke_syscall+0x98/0x2b8 [ 71.023316][ T5605] el0_svc_common+0x138/0x258 [ 71.023941][ T5605] do_el0_svc+0x58/0x14c [ 71.024654][ T5605] el0_svc+0x78/0x1e0 [ 71.025224][ T5605] el0t_64_sync_handler+0xcc/0xe4 [ 71.025941][ T5605] el0t_64_sync+0x1a0/0x1a4 [ 71.033037][ T5609] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 71.035586][ T5609] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 71.066268][ T5605] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 71.068087][ T5605] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 71.091642][ T5611] loop1: detected capacity change from 0 to 32768 [ 71.103024][ T5611] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 71.105867][ T5611] CPU: 1 PID: 5611 Comm: syz.1.47 Not tainted syzkaller #0 [ 71.107020][ T5611] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 71.108459][ T5611] Call trace: [ 71.109018][ T5611] dump_backtrace+0x0/0x43c [ 71.109753][ T5611] show_stack+0x2c/0x3c [ 71.110436][ T5611] __dump_stack+0x30/0x40 [ 71.111151][ T5611] dump_stack_lvl+0xf8/0x160 [ 71.111873][ T5611] dump_stack+0x1c/0x5c [ 71.112554][ T5611] sysfs_create_dir_ns+0x22c/0x24c [ 71.113428][ T5611] kobject_add_internal+0x590/0xc54 [ 71.114194][ T5611] kobject_init_and_add+0x118/0x17c [ 71.115030][ T5611] gfs2_sys_fs_add+0x1dc/0x3d8 [ 71.115761][ T5611] gfs2_fill_super+0xdac/0x19e0 [ 71.116495][ T5611] get_tree_bdev+0x358/0x544 [ 71.117202][ T5611] gfs2_get_tree+0x54/0x1b4 [ 71.117940][ T5611] vfs_get_tree+0x90/0x274 [ 71.118632][ T5611] do_new_mount+0x228/0x810 [ 71.119400][ T5611] path_mount+0x5b4/0x1000 [ 71.120120][ T5611] __arm64_sys_mount+0x514/0x5e4 [ 71.120919][ T5611] invoke_syscall+0x98/0x2b8 [ 71.121668][ T5611] el0_svc_common+0x138/0x258 [ 71.122434][ T5611] do_el0_svc+0x58/0x14c [ 71.123120][ T5611] el0_svc+0x78/0x1e0 [ 71.123732][ T5611] el0t_64_sync_handler+0xcc/0xe4 [ 71.124528][ T5611] el0t_64_sync+0x1a0/0x1a4 [ 71.148397][ T5607] loop3: detected capacity change from 0 to 32768 [ 71.159162][ T5607] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 71.160246][ T5607] CPU: 0 PID: 5607 Comm: syz.3.45 Not tainted syzkaller #0 [ 71.161444][ T5607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 71.162991][ T5607] Call trace: [ 71.163324][ T5611] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 71.163470][ T5607] dump_backtrace+0x0/0x43c [ 71.165720][ T5611] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 71.166154][ T5607] show_stack+0x2c/0x3c [ 71.167693][ T5607] __dump_stack+0x30/0x40 [ 71.168319][ T5607] dump_stack_lvl+0xf8/0x160 [ 71.169089][ T5607] dump_stack+0x1c/0x5c [ 71.169756][ T5607] sysfs_create_dir_ns+0x22c/0x24c [ 71.170503][ T5607] kobject_add_internal+0x590/0xc54 [ 71.171296][ T5607] kobject_init_and_add+0x118/0x17c [ 71.172068][ T5607] gfs2_sys_fs_add+0x1dc/0x3d8 [ 71.172864][ T5607] gfs2_fill_super+0xdac/0x19e0 [ 71.173638][ T5607] get_tree_bdev+0x358/0x544 [ 71.174311][ T5607] gfs2_get_tree+0x54/0x1b4 [ 71.175021][ T5607] vfs_get_tree+0x90/0x274 [ 71.175738][ T5607] do_new_mount+0x228/0x810 [ 71.176425][ T5607] path_mount+0x5b4/0x1000 [ 71.177029][ T5607] __arm64_sys_mount+0x514/0x5e4 [ 71.177804][ T5607] invoke_syscall+0x98/0x2b8 [ 71.178476][ T5607] el0_svc_common+0x138/0x258 [ 71.179263][ T5607] do_el0_svc+0x58/0x14c [ 71.179922][ T5607] el0_svc+0x78/0x1e0 [ 71.180566][ T5607] el0t_64_sync_handler+0xcc/0xe4 [ 71.181389][ T5607] el0t_64_sync+0x1a0/0x1a4 [ 71.216428][ T5607] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 71.218901][ T5607] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 71.279678][ T5609] loop0: detected capacity change from 0 to 32768 [ 71.327536][ T5609] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 71.328786][ T5609] CPU: 1 PID: 5609 Comm: syz.0.46 Not tainted syzkaller #0 [ 71.329881][ T5609] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 71.331545][ T5609] Call trace: [ 71.332056][ T5609] dump_backtrace+0x0/0x43c [ 71.332760][ T5609] show_stack+0x2c/0x3c [ 71.333394][ T5609] __dump_stack+0x30/0x40 [ 71.334099][ T5609] dump_stack_lvl+0xf8/0x160 [ 71.334839][ T5609] dump_stack+0x1c/0x5c [ 71.335431][ T5609] sysfs_create_dir_ns+0x22c/0x24c [ 71.336257][ T5609] kobject_add_internal+0x590/0xc54 [ 71.337055][ T5609] kobject_init_and_add+0x118/0x17c [ 71.337839][ T5609] gfs2_sys_fs_add+0x1dc/0x3d8 [ 71.338525][ T5609] gfs2_fill_super+0xdac/0x19e0 [ 71.339322][ T5609] get_tree_bdev+0x358/0x544 [ 71.340020][ T5609] gfs2_get_tree+0x54/0x1b4 [ 71.340751][ T5609] vfs_get_tree+0x90/0x274 [ 71.341375][ T5609] do_new_mount+0x228/0x810 [ 71.342071][ T5609] path_mount+0x5b4/0x1000 [ 71.342787][ T5609] __arm64_sys_mount+0x514/0x5e4 [ 71.343562][ T5609] invoke_syscall+0x98/0x2b8 [ 71.344347][ T5609] el0_svc_common+0x138/0x258 [ 71.345121][ T5609] do_el0_svc+0x58/0x14c [ 71.345804][ T5609] el0_svc+0x78/0x1e0 [ 71.346430][ T5609] el0t_64_sync_handler+0xcc/0xe4 [ 71.347306][ T5609] el0t_64_sync+0x1a0/0x1a4 [ 71.354215][ T5609] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 71.356390][ T5609] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 71.382805][ T5611] loop1: detected capacity change from 0 to 32768 [ 71.388628][ T5613] loop4: detected capacity change from 0 to 32768 [ 71.415075][ T5611] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 71.416202][ T5611] CPU: 1 PID: 5611 Comm: syz.1.47 Not tainted syzkaller #0 [ 71.417399][ T5611] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 71.419029][ T5611] Call trace: [ 71.419561][ T5611] dump_backtrace+0x0/0x43c [ 71.420305][ T5611] show_stack+0x2c/0x3c [ 71.420981][ T5611] __dump_stack+0x30/0x40 [ 71.421741][ T5611] dump_stack_lvl+0xf8/0x160 [ 71.422586][ T5611] dump_stack+0x1c/0x5c [ 71.423313][ T5611] sysfs_create_dir_ns+0x22c/0x24c [ 71.424206][ T5611] kobject_add_internal+0x590/0xc54 [ 71.425092][ T5611] kobject_init_and_add+0x118/0x17c [ 71.425868][ T5611] gfs2_sys_fs_add+0x1dc/0x3d8 [ 71.426647][ T5611] gfs2_fill_super+0xdac/0x19e0 [ 71.427381][ T5611] get_tree_bdev+0x358/0x544 [ 71.428018][ T5611] gfs2_get_tree+0x54/0x1b4 [ 71.428743][ T5611] vfs_get_tree+0x90/0x274 [ 71.429458][ T5611] do_new_mount+0x228/0x810 [ 71.430110][ T5611] path_mount+0x5b4/0x1000 [ 71.430814][ T5611] __arm64_sys_mount+0x514/0x5e4 [ 71.431634][ T5611] invoke_syscall+0x98/0x2b8 [ 71.432391][ T5611] el0_svc_common+0x138/0x258 [ 71.433159][ T5611] do_el0_svc+0x58/0x14c [ 71.433835][ T5611] el0_svc+0x78/0x1e0 [ 71.434488][ T5611] el0t_64_sync_handler+0xcc/0xe4 [ 71.435285][ T5611] el0t_64_sync+0x1a0/0x1a4 [ 71.437332][ T5611] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 71.439491][ T5611] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 71.446891][ T5613] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 71.448157][ T5613] CPU: 1 PID: 5613 Comm: syz.4.48 Not tainted syzkaller #0 [ 71.448180][ T5615] loop3: detected capacity change from 0 to 32768 [ 71.449263][ T5613] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 71.451742][ T5613] Call trace: [ 71.452253][ T5613] dump_backtrace+0x0/0x43c [ 71.452996][ T5613] show_stack+0x2c/0x3c [ 71.453684][ T5613] __dump_stack+0x30/0x40 [ 71.454356][ T5613] dump_stack_lvl+0xf8/0x160 [ 71.455088][ T5613] dump_stack+0x1c/0x5c [ 71.455694][ T5613] sysfs_create_dir_ns+0x22c/0x24c [ 71.456458][ T5613] kobject_add_internal+0x590/0xc54 [ 71.457246][ T5613] kobject_init_and_add+0x118/0x17c [ 71.458068][ T5613] gfs2_sys_fs_add+0x1dc/0x3d8 [ 71.458762][ T5613] gfs2_fill_super+0xdac/0x19e0 [ 71.459498][ T5613] get_tree_bdev+0x358/0x544 [ 71.460160][ T5613] gfs2_get_tree+0x54/0x1b4 [ 71.460796][ T5613] vfs_get_tree+0x90/0x274 [ 71.461507][ T5613] do_new_mount+0x228/0x810 [ 71.462185][ T5613] path_mount+0x5b4/0x1000 [ 71.462877][ T5613] __arm64_sys_mount+0x514/0x5e4 [ 71.463702][ T5613] invoke_syscall+0x98/0x2b8 [ 71.464440][ T5613] el0_svc_common+0x138/0x258 [ 71.465239][ T5613] do_el0_svc+0x58/0x14c [ 71.465865][ T5613] el0_svc+0x78/0x1e0 [ 71.466537][ T5613] el0t_64_sync_handler+0xcc/0xe4 [ 71.467407][ T5613] el0t_64_sync+0x1a0/0x1a4 [ 71.469294][ T5613] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 71.471231][ T5613] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 71.489045][ T5615] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 71.490234][ T5615] CPU: 0 PID: 5615 Comm: syz.3.49 Not tainted syzkaller #0 [ 71.491292][ T5615] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 71.492996][ T5615] Call trace: [ 71.493524][ T5615] dump_backtrace+0x0/0x43c [ 71.494199][ T5615] show_stack+0x2c/0x3c [ 71.494900][ T5615] __dump_stack+0x30/0x40 [ 71.495604][ T5615] dump_stack_lvl+0xf8/0x160 [ 71.496377][ T5615] dump_stack+0x1c/0x5c [ 71.497063][ T5615] sysfs_create_dir_ns+0x22c/0x24c [ 71.497872][ T5615] kobject_add_internal+0x590/0xc54 [ 71.498751][ T5615] kobject_init_and_add+0x118/0x17c [ 71.499638][ T5615] gfs2_sys_fs_add+0x1dc/0x3d8 [ 71.500356][ T5615] gfs2_fill_super+0xdac/0x19e0 [ 71.501058][ T5615] get_tree_bdev+0x358/0x544 [ 71.501741][ T5615] gfs2_get_tree+0x54/0x1b4 [ 71.502401][ T5615] vfs_get_tree+0x90/0x274 [ 71.503011][ T5615] do_new_mount+0x228/0x810 [ 71.503672][ T5615] path_mount+0x5b4/0x1000 [ 71.504428][ T5615] __arm64_sys_mount+0x514/0x5e4 [ 71.505259][ T5615] invoke_syscall+0x98/0x2b8 [ 71.506034][ T5615] el0_svc_common+0x138/0x258 [ 71.506765][ T5615] do_el0_svc+0x58/0x14c [ 71.507453][ T5615] el0_svc+0x78/0x1e0 [ 71.508107][ T5615] el0t_64_sync_handler+0xcc/0xe4 [ 71.508904][ T5615] el0t_64_sync+0x1a0/0x1a4 [ 71.527815][ T5615] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 71.529777][ T5615] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 71.791893][ T5617] loop0: detected capacity change from 0 to 32768 [ 71.824629][ T5613] loop4: detected capacity change from 0 to 32768 [ 71.830806][ T5615] loop3: detected capacity change from 0 to 32768 [ 71.831145][ T5619] loop1: detected capacity change from 0 to 32768 [ 71.858617][ T5617] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 71.859786][ T5617] CPU: 0 PID: 5617 Comm: syz.0.50 Not tainted syzkaller #0 [ 71.860825][ T5617] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 71.862215][ T5617] Call trace: [ 71.862739][ T5617] dump_backtrace+0x0/0x43c [ 71.863393][ T5617] show_stack+0x2c/0x3c [ 71.863971][ T5617] __dump_stack+0x30/0x40 [ 71.864609][ T5617] dump_stack_lvl+0xf8/0x160 [ 71.865348][ T5617] dump_stack+0x1c/0x5c [ 71.865736][ T5613] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 71.866012][ T5617] sysfs_create_dir_ns+0x22c/0x24c [ 71.867846][ T5617] kobject_add_internal+0x590/0xc54 [ 71.868656][ T5617] kobject_init_and_add+0x118/0x17c [ 71.869500][ T5617] gfs2_sys_fs_add+0x1dc/0x3d8 [ 71.870217][ T5617] gfs2_fill_super+0xdac/0x19e0 [ 71.870984][ T5617] get_tree_bdev+0x358/0x544 [ 71.871689][ T5617] gfs2_get_tree+0x54/0x1b4 [ 71.872387][ T5617] vfs_get_tree+0x90/0x274 [ 71.873034][ T5617] do_new_mount+0x228/0x810 [ 71.873719][ T5617] path_mount+0x5b4/0x1000 [ 71.873780][ T5619] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 71.874354][ T5617] __arm64_sys_mount+0x514/0x5e4 [ 71.874369][ T5617] invoke_syscall+0x98/0x2b8 [ 71.874377][ T5617] el0_svc_common+0x138/0x258 [ 71.874382][ T5617] do_el0_svc+0x58/0x14c [ 71.874387][ T5617] el0_svc+0x78/0x1e0 [ 71.878672][ T5617] el0t_64_sync_handler+0xcc/0xe4 [ 71.879408][ T5617] el0t_64_sync+0x1a0/0x1a4 [ 71.880052][ T5619] CPU: 1 PID: 5619 Comm: syz.1.51 Not tainted syzkaller #0 [ 71.881173][ T5619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 71.882603][ T5619] Call trace: [ 71.883042][ T5619] dump_backtrace+0x0/0x43c [ 71.883672][ T5619] show_stack+0x2c/0x3c [ 71.884264][ T5619] __dump_stack+0x30/0x40 [ 71.884866][ T5619] dump_stack_lvl+0xf8/0x160 [ 71.885483][ T5619] dump_stack+0x1c/0x5c [ 71.886039][ T5619] sysfs_create_dir_ns+0x22c/0x24c [ 71.886721][ T5619] kobject_add_internal+0x590/0xc54 [ 71.887497][ T5619] kobject_init_and_add+0x118/0x17c [ 71.888233][ T5619] gfs2_sys_fs_add+0x1dc/0x3d8 [ 71.888905][ T5619] gfs2_fill_super+0xdac/0x19e0 [ 71.889561][ T5619] get_tree_bdev+0x358/0x544 [ 71.890172][ T5619] gfs2_get_tree+0x54/0x1b4 [ 71.890775][ T5619] vfs_get_tree+0x90/0x274 [ 71.891425][ T5619] do_new_mount+0x228/0x810 [ 71.892035][ T5619] path_mount+0x5b4/0x1000 [ 71.892160][ T5617] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 71.892678][ T5619] __arm64_sys_mount+0x514/0x5e4 [ 71.894763][ T5617] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 71.895466][ T5619] invoke_syscall+0x98/0x2b8 [ 71.897159][ T5619] el0_svc_common+0x138/0x258 [ 71.897852][ T5619] do_el0_svc+0x58/0x14c [ 71.898541][ T5619] el0_svc+0x78/0x1e0 [ 71.899188][ T5619] el0t_64_sync_handler+0xcc/0xe4 [ 71.899995][ T5619] el0t_64_sync+0x1a0/0x1a4 [ 71.901322][ T5613] CPU: 0 PID: 5613 Comm: syz.4.48 Not tainted syzkaller #0 [ 71.902455][ T5613] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 71.903889][ T5613] Call trace: [ 71.904354][ T5613] dump_backtrace+0x0/0x43c [ 71.905095][ T5613] show_stack+0x2c/0x3c [ 71.905699][ T5613] __dump_stack+0x30/0x40 [ 71.906373][ T5613] dump_stack_lvl+0xf8/0x160 [ 71.907027][ T5613] dump_stack+0x1c/0x5c [ 71.907693][ T5613] sysfs_create_dir_ns+0x22c/0x24c [ 71.908430][ T5613] kobject_add_internal+0x590/0xc54 [ 71.909178][ T5613] kobject_init_and_add+0x118/0x17c [ 71.910044][ T5613] gfs2_sys_fs_add+0x1dc/0x3d8 [ 71.910822][ T5613] gfs2_fill_super+0xdac/0x19e0 [ 71.911611][ T5613] get_tree_bdev+0x358/0x544 [ 71.912344][ T5613] gfs2_get_tree+0x54/0x1b4 [ 71.913027][ T5613] vfs_get_tree+0x90/0x274 [ 71.913740][ T5613] do_new_mount+0x228/0x810 [ 71.914410][ T5613] path_mount+0x5b4/0x1000 [ 71.915107][ T5613] __arm64_sys_mount+0x514/0x5e4 [ 71.915829][ T5613] invoke_syscall+0x98/0x2b8 [ 71.916649][ T5613] el0_svc_common+0x138/0x258 [ 71.917417][ T5613] do_el0_svc+0x58/0x14c [ 71.918044][ T5613] el0_svc+0x78/0x1e0 [ 71.918668][ T5613] el0t_64_sync_handler+0xcc/0xe4 [ 71.919403][ T5613] el0t_64_sync+0x1a0/0x1a4 [ 71.920840][ T5615] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 71.922021][ T5615] CPU: 0 PID: 5615 Comm: syz.3.49 Not tainted syzkaller #0 [ 71.923134][ T5615] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 71.924690][ T5615] Call trace: [ 71.925228][ T5615] dump_backtrace+0x0/0x43c [ 71.925959][ T5615] show_stack+0x2c/0x3c [ 71.926613][ T5615] __dump_stack+0x30/0x40 [ 71.927309][ T5619] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 71.927307][ T5615] dump_stack_lvl+0xf8/0x160 [ 71.927325][ T5619] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 71.929416][ T5615] dump_stack+0x1c/0x5c [ 71.931864][ T5615] sysfs_create_dir_ns+0x22c/0x24c [ 71.932618][ T5615] kobject_add_internal+0x590/0xc54 [ 71.933356][ T5615] kobject_init_and_add+0x118/0x17c [ 71.934141][ T5615] gfs2_sys_fs_add+0x1dc/0x3d8 [ 71.934848][ T5615] gfs2_fill_super+0xdac/0x19e0 [ 71.935515][ T5615] get_tree_bdev+0x358/0x544 [ 71.936204][ T5615] gfs2_get_tree+0x54/0x1b4 [ 71.936892][ T5615] vfs_get_tree+0x90/0x274 [ 71.937553][ T5615] do_new_mount+0x228/0x810 [ 71.938197][ T5615] path_mount+0x5b4/0x1000 [ 71.938876][ T5615] __arm64_sys_mount+0x514/0x5e4 [ 71.939625][ T5615] invoke_syscall+0x98/0x2b8 [ 71.940340][ T5615] el0_svc_common+0x138/0x258 [ 71.941023][ T5615] do_el0_svc+0x58/0x14c [ 71.941710][ T5615] el0_svc+0x78/0x1e0 [ 71.942369][ T5615] el0t_64_sync_handler+0xcc/0xe4 [ 71.943231][ T5615] el0t_64_sync+0x1a0/0x1a4 [ 71.954463][ T5613] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 71.956510][ T5613] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 71.976519][ T5615] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 71.984257][ T5615] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.094655][ T5617] loop0: detected capacity change from 0 to 32768 [ 72.099890][ T5617] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.101096][ T5617] CPU: 0 PID: 5617 Comm: syz.0.50 Not tainted syzkaller #0 [ 72.102294][ T5617] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 72.103861][ T5617] Call trace: [ 72.104399][ T5617] dump_backtrace+0x0/0x43c [ 72.105178][ T5617] show_stack+0x2c/0x3c [ 72.105832][ T5617] __dump_stack+0x30/0x40 [ 72.106594][ T5617] dump_stack_lvl+0xf8/0x160 [ 72.107300][ T5617] dump_stack+0x1c/0x5c [ 72.107984][ T5617] sysfs_create_dir_ns+0x22c/0x24c [ 72.108777][ T5617] kobject_add_internal+0x590/0xc54 [ 72.109636][ T5617] kobject_init_and_add+0x118/0x17c [ 72.110476][ T5617] gfs2_sys_fs_add+0x1dc/0x3d8 [ 72.111222][ T5617] gfs2_fill_super+0xdac/0x19e0 [ 72.111975][ T5617] get_tree_bdev+0x358/0x544 [ 72.112704][ T5617] gfs2_get_tree+0x54/0x1b4 [ 72.113381][ T5617] vfs_get_tree+0x90/0x274 [ 72.114059][ T5617] do_new_mount+0x228/0x810 [ 72.114759][ T5617] path_mount+0x5b4/0x1000 [ 72.115396][ T5617] __arm64_sys_mount+0x514/0x5e4 [ 72.116098][ T5617] invoke_syscall+0x98/0x2b8 [ 72.116779][ T5617] el0_svc_common+0x138/0x258 [ 72.117480][ T5617] do_el0_svc+0x58/0x14c [ 72.118066][ T5617] el0_svc+0x78/0x1e0 [ 72.118661][ T5617] el0t_64_sync_handler+0xcc/0xe4 [ 72.119378][ T5617] el0t_64_sync+0x1a0/0x1a4 [ 72.158283][ T5617] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.160266][ T5617] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.220111][ T5621] loop4: detected capacity change from 0 to 32768 [ 72.229218][ T5619] loop1: detected capacity change from 0 to 32768 [ 72.256647][ T5621] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.257942][ T5621] CPU: 0 PID: 5621 Comm: syz.4.52 Not tainted syzkaller #0 [ 72.259127][ T5621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 72.260780][ T5621] Call trace: [ 72.261267][ T5621] dump_backtrace+0x0/0x43c [ 72.261968][ T5621] show_stack+0x2c/0x3c [ 72.262547][ T5621] __dump_stack+0x30/0x40 [ 72.263158][ T5621] dump_stack_lvl+0xf8/0x160 [ 72.263804][ T5621] dump_stack+0x1c/0x5c [ 72.264433][ T5621] sysfs_create_dir_ns+0x22c/0x24c [ 72.265198][ T5621] kobject_add_internal+0x590/0xc54 [ 72.266050][ T5621] kobject_init_and_add+0x118/0x17c [ 72.266818][ T5621] gfs2_sys_fs_add+0x1dc/0x3d8 [ 72.267508][ T5621] gfs2_fill_super+0xdac/0x19e0 [ 72.268199][ T5621] get_tree_bdev+0x358/0x544 [ 72.268906][ T5621] gfs2_get_tree+0x54/0x1b4 [ 72.269559][ T5621] vfs_get_tree+0x90/0x274 [ 72.270216][ T5621] do_new_mount+0x228/0x810 [ 72.270929][ T5621] path_mount+0x5b4/0x1000 [ 72.271578][ T5621] __arm64_sys_mount+0x514/0x5e4 [ 72.272398][ T5621] invoke_syscall+0x98/0x2b8 [ 72.273103][ T5621] el0_svc_common+0x138/0x258 [ 72.273807][ T5621] do_el0_svc+0x58/0x14c [ 72.274496][ T5621] el0_svc+0x78/0x1e0 [ 72.275166][ T5621] el0t_64_sync_handler+0xcc/0xe4 [ 72.276027][ T5621] el0t_64_sync+0x1a0/0x1a4 [ 72.286842][ T5619] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.288086][ T5619] CPU: 1 PID: 5619 Comm: syz.1.51 Not tainted syzkaller #0 [ 72.289197][ T5619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 72.290728][ T5619] Call trace: [ 72.291244][ T5619] dump_backtrace+0x0/0x43c [ 72.291943][ T5619] show_stack+0x2c/0x3c [ 72.292611][ T5619] __dump_stack+0x30/0x40 [ 72.293284][ T5619] dump_stack_lvl+0xf8/0x160 [ 72.294013][ T5619] dump_stack+0x1c/0x5c [ 72.294682][ T5619] sysfs_create_dir_ns+0x22c/0x24c [ 72.295484][ T5619] kobject_add_internal+0x590/0xc54 [ 72.296290][ T5619] kobject_init_and_add+0x118/0x17c [ 72.297131][ T5619] gfs2_sys_fs_add+0x1dc/0x3d8 [ 72.297899][ T5619] gfs2_fill_super+0xdac/0x19e0 [ 72.298692][ T5619] get_tree_bdev+0x358/0x544 [ 72.299420][ T5619] gfs2_get_tree+0x54/0x1b4 [ 72.300120][ T5619] vfs_get_tree+0x90/0x274 [ 72.300860][ T5619] do_new_mount+0x228/0x810 [ 72.301572][ T5619] path_mount+0x5b4/0x1000 [ 72.302260][ T5619] __arm64_sys_mount+0x514/0x5e4 [ 72.303083][ T5619] invoke_syscall+0x98/0x2b8 [ 72.303817][ T5619] el0_svc_common+0x138/0x258 [ 72.304536][ T5619] do_el0_svc+0x58/0x14c [ 72.305238][ T5619] el0_svc+0x78/0x1e0 [ 72.305895][ T5619] el0t_64_sync_handler+0xcc/0xe4 [ 72.306703][ T5619] el0t_64_sync+0x1a0/0x1a4 [ 72.338369][ T5621] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.340560][ T5621] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.358409][ T5619] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.360508][ T5619] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.389577][ T5624] loop3: detected capacity change from 0 to 32768 [ 72.391404][ T5626] loop0: detected capacity change from 0 to 32768 [ 72.399195][ T5626] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.400321][ T5626] CPU: 1 PID: 5626 Comm: syz.0.54 Not tainted syzkaller #0 [ 72.401505][ T5626] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 72.403104][ T5626] Call trace: [ 72.403576][ T5626] dump_backtrace+0x0/0x43c [ 72.404153][ T5626] show_stack+0x2c/0x3c [ 72.404724][ T5626] __dump_stack+0x30/0x40 [ 72.405361][ T5626] dump_stack_lvl+0xf8/0x160 [ 72.406044][ T5626] dump_stack+0x1c/0x5c [ 72.406712][ T5626] sysfs_create_dir_ns+0x22c/0x24c [ 72.407478][ T5626] kobject_add_internal+0x590/0xc54 [ 72.408243][ T5626] kobject_init_and_add+0x118/0x17c [ 72.408969][ T5626] gfs2_sys_fs_add+0x1dc/0x3d8 [ 72.409655][ T5626] gfs2_fill_super+0xdac/0x19e0 [ 72.410428][ T5626] get_tree_bdev+0x358/0x544 [ 72.411143][ T5626] gfs2_get_tree+0x54/0x1b4 [ 72.411898][ T5626] vfs_get_tree+0x90/0x274 [ 72.412626][ T5626] do_new_mount+0x228/0x810 [ 72.413314][ T5626] path_mount+0x5b4/0x1000 [ 72.413952][ T5626] __arm64_sys_mount+0x514/0x5e4 [ 72.414677][ T5626] invoke_syscall+0x98/0x2b8 [ 72.415348][ T5626] el0_svc_common+0x138/0x258 [ 72.416171][ T5626] do_el0_svc+0x58/0x14c [ 72.416845][ T5626] el0_svc+0x78/0x1e0 [ 72.417474][ T5626] el0t_64_sync_handler+0xcc/0xe4 [ 72.418293][ T5626] el0t_64_sync+0x1a0/0x1a4 [ 72.434944][ T5624] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.436136][ T5624] CPU: 0 PID: 5624 Comm: syz.3.53 Not tainted syzkaller #0 [ 72.437180][ T5624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 72.438659][ T5624] Call trace: [ 72.439192][ T5624] dump_backtrace+0x0/0x43c [ 72.439849][ T5624] show_stack+0x2c/0x3c [ 72.440454][ T5624] __dump_stack+0x30/0x40 [ 72.441059][ T5624] dump_stack_lvl+0xf8/0x160 [ 72.441679][ T5624] dump_stack+0x1c/0x5c [ 72.442231][ T5624] sysfs_create_dir_ns+0x22c/0x24c [ 72.443071][ T5624] kobject_add_internal+0x590/0xc54 [ 72.443884][ T5624] kobject_init_and_add+0x118/0x17c [ 72.444680][ T5624] gfs2_sys_fs_add+0x1dc/0x3d8 [ 72.445370][ T5624] gfs2_fill_super+0xdac/0x19e0 [ 72.446084][ T5624] get_tree_bdev+0x358/0x544 [ 72.446764][ T5624] gfs2_get_tree+0x54/0x1b4 [ 72.447489][ T5624] vfs_get_tree+0x90/0x274 [ 72.448159][ T5624] do_new_mount+0x228/0x810 [ 72.448903][ T5624] path_mount+0x5b4/0x1000 [ 72.449606][ T5624] __arm64_sys_mount+0x514/0x5e4 [ 72.450380][ T5624] invoke_syscall+0x98/0x2b8 [ 72.451093][ T5624] el0_svc_common+0x138/0x258 [ 72.451756][ T5624] do_el0_svc+0x58/0x14c [ 72.452338][ T5624] el0_svc+0x78/0x1e0 [ 72.452936][ T5624] el0t_64_sync_handler+0xcc/0xe4 [ 72.453683][ T5624] el0t_64_sync+0x1a0/0x1a4 [ 72.471779][ T5626] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.473842][ T5626] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.494203][ T5624] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.496336][ T5624] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.582634][ T5621] loop4: detected capacity change from 0 to 32768 [ 72.589757][ T5621] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.590940][ T5621] CPU: 0 PID: 5621 Comm: syz.4.52 Not tainted syzkaller #0 [ 72.591966][ T5621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 72.593446][ T5621] Call trace: [ 72.593959][ T5621] dump_backtrace+0x0/0x43c [ 72.594678][ T5621] show_stack+0x2c/0x3c [ 72.595335][ T5621] __dump_stack+0x30/0x40 [ 72.596090][ T5621] dump_stack_lvl+0xf8/0x160 [ 72.596813][ T5621] dump_stack+0x1c/0x5c [ 72.597471][ T5621] sysfs_create_dir_ns+0x22c/0x24c [ 72.598207][ T5621] kobject_add_internal+0x590/0xc54 [ 72.599089][ T5621] kobject_init_and_add+0x118/0x17c [ 72.599943][ T5621] gfs2_sys_fs_add+0x1dc/0x3d8 [ 72.600741][ T5621] gfs2_fill_super+0xdac/0x19e0 [ 72.601537][ T5621] get_tree_bdev+0x358/0x544 [ 72.602263][ T5621] gfs2_get_tree+0x54/0x1b4 [ 72.602949][ T5621] vfs_get_tree+0x90/0x274 [ 72.603654][ T5621] do_new_mount+0x228/0x810 [ 72.604369][ T5621] path_mount+0x5b4/0x1000 [ 72.605083][ T5621] __arm64_sys_mount+0x514/0x5e4 [ 72.605853][ T5621] invoke_syscall+0x98/0x2b8 [ 72.606563][ T5621] el0_svc_common+0x138/0x258 [ 72.607334][ T5621] do_el0_svc+0x58/0x14c [ 72.607978][ T5621] el0_svc+0x78/0x1e0 [ 72.608545][ T5621] el0t_64_sync_handler+0xcc/0xe4 [ 72.609302][ T5621] el0t_64_sync+0x1a0/0x1a4 [ 72.635603][ T5629] loop1: detected capacity change from 0 to 32768 [ 72.639132][ T5621] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.651633][ T5621] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.695941][ T5626] loop0: detected capacity change from 0 to 32768 [ 72.711516][ T5629] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.712712][ T5629] CPU: 1 PID: 5629 Comm: syz.1.55 Not tainted syzkaller #0 [ 72.713920][ T5629] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 72.715666][ T5629] Call trace: [ 72.716171][ T5629] dump_backtrace+0x0/0x43c [ 72.716880][ T5629] show_stack+0x2c/0x3c [ 72.717501][ T5629] __dump_stack+0x30/0x40 [ 72.718100][ T5629] dump_stack_lvl+0xf8/0x160 [ 72.718593][ T5624] loop3: detected capacity change from 0 to 32768 [ 72.718768][ T5629] dump_stack+0x1c/0x5c [ 72.720305][ T5629] sysfs_create_dir_ns+0x22c/0x24c [ 72.721042][ T5629] kobject_add_internal+0x590/0xc54 [ 72.721791][ T5629] kobject_init_and_add+0x118/0x17c [ 72.722594][ T5629] gfs2_sys_fs_add+0x1dc/0x3d8 [ 72.723354][ T5629] gfs2_fill_super+0xdac/0x19e0 [ 72.724103][ T5629] get_tree_bdev+0x358/0x544 [ 72.724806][ T5629] gfs2_get_tree+0x54/0x1b4 [ 72.725480][ T5629] vfs_get_tree+0x90/0x274 [ 72.726082][ T5629] do_new_mount+0x228/0x810 [ 72.726814][ T5629] path_mount+0x5b4/0x1000 [ 72.727530][ T5629] __arm64_sys_mount+0x514/0x5e4 [ 72.728284][ T5629] invoke_syscall+0x98/0x2b8 [ 72.729017][ T5629] el0_svc_common+0x138/0x258 [ 72.729801][ T5629] do_el0_svc+0x58/0x14c [ 72.730490][ T5629] el0_svc+0x78/0x1e0 [ 72.731115][ T5629] el0t_64_sync_handler+0xcc/0xe4 [ 72.731931][ T5629] el0t_64_sync+0x1a0/0x1a4 [ 72.736282][ T5626] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.737391][ T5626] CPU: 1 PID: 5626 Comm: syz.0.54 Not tainted syzkaller #0 [ 72.738413][ T5626] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 72.739766][ T5626] Call trace: [ 72.740277][ T5626] dump_backtrace+0x0/0x43c [ 72.740848][ T5626] show_stack+0x2c/0x3c [ 72.741458][ T5626] __dump_stack+0x30/0x40 [ 72.742143][ T5626] dump_stack_lvl+0xf8/0x160 [ 72.742846][ T5626] dump_stack+0x1c/0x5c [ 72.743535][ T5626] sysfs_create_dir_ns+0x22c/0x24c [ 72.744297][ T5626] kobject_add_internal+0x590/0xc54 [ 72.745077][ T5626] kobject_init_and_add+0x118/0x17c [ 72.745856][ T5626] gfs2_sys_fs_add+0x1dc/0x3d8 [ 72.746599][ T5626] gfs2_fill_super+0xdac/0x19e0 [ 72.747379][ T5626] get_tree_bdev+0x358/0x544 [ 72.748029][ T5626] gfs2_get_tree+0x54/0x1b4 [ 72.748733][ T5626] vfs_get_tree+0x90/0x274 [ 72.749426][ T5626] do_new_mount+0x228/0x810 [ 72.750159][ T5626] path_mount+0x5b4/0x1000 [ 72.750837][ T5626] __arm64_sys_mount+0x514/0x5e4 [ 72.751566][ T5626] invoke_syscall+0x98/0x2b8 [ 72.752270][ T5626] el0_svc_common+0x138/0x258 [ 72.753025][ T5626] do_el0_svc+0x58/0x14c [ 72.753616][ T5626] el0_svc+0x78/0x1e0 [ 72.754195][ T5626] el0t_64_sync_handler+0xcc/0xe4 [ 72.755009][ T5626] el0t_64_sync+0x1a0/0x1a4 [ 72.764426][ T5629] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.766610][ T5629] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.772632][ T5626] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.775199][ T5626] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.789238][ T5624] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.790413][ T5624] CPU: 0 PID: 5624 Comm: syz.3.53 Not tainted syzkaller #0 [ 72.791454][ T5624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 72.792816][ T5624] Call trace: [ 72.793246][ T5624] dump_backtrace+0x0/0x43c [ 72.793856][ T5624] show_stack+0x2c/0x3c [ 72.794421][ T5624] __dump_stack+0x30/0x40 [ 72.795089][ T5624] dump_stack_lvl+0xf8/0x160 [ 72.795807][ T5624] dump_stack+0x1c/0x5c [ 72.796452][ T5624] sysfs_create_dir_ns+0x22c/0x24c [ 72.797290][ T5624] kobject_add_internal+0x590/0xc54 [ 72.798069][ T5624] kobject_init_and_add+0x118/0x17c [ 72.798797][ T5624] gfs2_sys_fs_add+0x1dc/0x3d8 [ 72.799546][ T5624] gfs2_fill_super+0xdac/0x19e0 [ 72.800319][ T5624] get_tree_bdev+0x358/0x544 [ 72.801066][ T5624] gfs2_get_tree+0x54/0x1b4 [ 72.801795][ T5624] vfs_get_tree+0x90/0x274 [ 72.802474][ T5624] do_new_mount+0x228/0x810 [ 72.803187][ T5624] path_mount+0x5b4/0x1000 [ 72.803884][ T5624] __arm64_sys_mount+0x514/0x5e4 [ 72.804653][ T5624] invoke_syscall+0x98/0x2b8 [ 72.805394][ T5624] el0_svc_common+0x138/0x258 [ 72.806118][ T5624] do_el0_svc+0x58/0x14c [ 72.806735][ T5624] el0_svc+0x78/0x1e0 [ 72.807360][ T5624] el0t_64_sync_handler+0xcc/0xe4 [ 72.808220][ T5624] el0t_64_sync+0x1a0/0x1a4 [ 72.841392][ T5624] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.843437][ T5624] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.865931][ T5632] loop4: detected capacity change from 0 to 32768 [ 72.924364][ T5632] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.925514][ T5632] CPU: 0 PID: 5632 Comm: syz.4.56 Not tainted syzkaller #0 [ 72.926656][ T5632] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 72.928193][ T5632] Call trace: [ 72.928707][ T5632] dump_backtrace+0x0/0x43c [ 72.929380][ T5632] show_stack+0x2c/0x3c [ 72.930043][ T5632] __dump_stack+0x30/0x40 [ 72.930729][ T5632] dump_stack_lvl+0xf8/0x160 [ 72.931399][ T5632] dump_stack+0x1c/0x5c [ 72.932074][ T5632] sysfs_create_dir_ns+0x22c/0x24c [ 72.932927][ T5632] kobject_add_internal+0x590/0xc54 [ 72.933784][ T5632] kobject_init_and_add+0x118/0x17c [ 72.934585][ T5632] gfs2_sys_fs_add+0x1dc/0x3d8 [ 72.935355][ T5632] gfs2_fill_super+0xdac/0x19e0 [ 72.936137][ T5632] get_tree_bdev+0x358/0x544 [ 72.936833][ T5632] gfs2_get_tree+0x54/0x1b4 [ 72.937558][ T5632] vfs_get_tree+0x90/0x274 [ 72.938259][ T5632] do_new_mount+0x228/0x810 [ 72.938940][ T5632] path_mount+0x5b4/0x1000 [ 72.939629][ T5632] __arm64_sys_mount+0x514/0x5e4 [ 72.940389][ T5632] invoke_syscall+0x98/0x2b8 [ 72.941143][ T5632] el0_svc_common+0x138/0x258 [ 72.941833][ T5632] do_el0_svc+0x58/0x14c [ 72.942522][ T5632] el0_svc+0x78/0x1e0 [ 72.943194][ T5632] el0t_64_sync_handler+0xcc/0xe4 [ 72.944053][ T5632] el0t_64_sync+0x1a0/0x1a4 [ 72.974590][ T5632] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.976990][ T5632] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.994724][ T5634] loop0: detected capacity change from 0 to 32768 [ 72.994725][ T5629] loop1: detected capacity change from 0 to 32768 [ 73.015562][ T5629] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.016767][ T5629] CPU: 0 PID: 5629 Comm: syz.1.55 Not tainted syzkaller #0 [ 73.017745][ T5629] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 73.019303][ T5629] Call trace: [ 73.019742][ T5629] dump_backtrace+0x0/0x43c [ 73.020436][ T5629] show_stack+0x2c/0x3c [ 73.021025][ T5629] __dump_stack+0x30/0x40 [ 73.021697][ T5629] dump_stack_lvl+0xf8/0x160 [ 73.022338][ T5629] dump_stack+0x1c/0x5c [ 73.023017][ T5629] sysfs_create_dir_ns+0x22c/0x24c [ 73.023853][ T5629] kobject_add_internal+0x590/0xc54 [ 73.024617][ T5629] kobject_init_and_add+0x118/0x17c [ 73.025452][ T5629] gfs2_sys_fs_add+0x1dc/0x3d8 [ 73.026200][ T5629] gfs2_fill_super+0xdac/0x19e0 [ 73.026919][ T5629] get_tree_bdev+0x358/0x544 [ 73.027615][ T5629] gfs2_get_tree+0x54/0x1b4 [ 73.028330][ T5629] vfs_get_tree+0x90/0x274 [ 73.028969][ T5629] do_new_mount+0x228/0x810 [ 73.029672][ T5629] path_mount+0x5b4/0x1000 [ 73.030427][ T5629] __arm64_sys_mount+0x514/0x5e4 [ 73.031204][ T5629] invoke_syscall+0x98/0x2b8 [ 73.031975][ T5629] el0_svc_common+0x138/0x258 [ 73.032756][ T5629] do_el0_svc+0x58/0x14c [ 73.033376][ T5629] el0_svc+0x78/0x1e0 [ 73.033952][ T5629] el0t_64_sync_handler+0xcc/0xe4 [ 73.034734][ T5629] el0t_64_sync+0x1a0/0x1a4 [ 73.038598][ T5634] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.039820][ T5634] CPU: 1 PID: 5634 Comm: syz.0.57 Not tainted syzkaller #0 [ 73.040934][ T5634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 73.042553][ T5634] Call trace: [ 73.043002][ T5634] dump_backtrace+0x0/0x43c [ 73.043728][ T5634] show_stack+0x2c/0x3c [ 73.044382][ T5634] __dump_stack+0x30/0x40 [ 73.045074][ T5634] dump_stack_lvl+0xf8/0x160 [ 73.045775][ T5634] dump_stack+0x1c/0x5c [ 73.046417][ T5634] sysfs_create_dir_ns+0x22c/0x24c [ 73.047195][ T5634] kobject_add_internal+0x590/0xc54 [ 73.047978][ T5634] kobject_init_and_add+0x118/0x17c [ 73.048843][ T5634] gfs2_sys_fs_add+0x1dc/0x3d8 [ 73.049614][ T5634] gfs2_fill_super+0xdac/0x19e0 [ 73.050413][ T5634] get_tree_bdev+0x358/0x544 [ 73.051138][ T5634] gfs2_get_tree+0x54/0x1b4 [ 73.051850][ T5634] vfs_get_tree+0x90/0x274 [ 73.052504][ T5634] do_new_mount+0x228/0x810 [ 73.053277][ T5634] path_mount+0x5b4/0x1000 [ 73.054015][ T5634] __arm64_sys_mount+0x514/0x5e4 [ 73.054834][ T5634] invoke_syscall+0x98/0x2b8 [ 73.055609][ T5634] el0_svc_common+0x138/0x258 [ 73.056329][ T5634] do_el0_svc+0x58/0x14c [ 73.057020][ T5634] el0_svc+0x78/0x1e0 [ 73.057678][ T5634] el0t_64_sync_handler+0xcc/0xe4 [ 73.058522][ T5634] el0t_64_sync+0x1a0/0x1a4 [ 73.067889][ T5629] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.069990][ T5629] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.090273][ T5634] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.