Warning: Permanently added '10.128.0.23' (ED25519) to the list of known hosts. 1970/01/01 00:01:05 parsed 1 programs [ 66.624160][ T4451] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 69.623054][ T2064] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.623680][ T21] cfg80211: failed to load regulatory.db [ 69.624304][ T2064] ieee802154 phy1 wpan1: encryption failed: -22 [ 70.405951][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 70.407225][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 70.408507][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 70.439227][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 70.440475][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 70.441783][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 70.558742][ T4486] chnl_net:caif_netlink_parms(): no params data found [ 70.687513][ T4486] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.688751][ T4486] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.690383][ T4486] device bridge_slave_0 entered promiscuous mode [ 70.694020][ T4486] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.695315][ T4486] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.697025][ T4486] device bridge_slave_1 entered promiscuous mode [ 70.783957][ T4486] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.786566][ T4486] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.829373][ T4486] team0: Port device team_slave_0 added [ 70.847059][ T4486] team0: Port device team_slave_1 added [ 70.887351][ T4486] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 70.888506][ T4486] 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. [ 70.896215][ T4486] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 70.898898][ T4486] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 70.903667][ T4486] 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. [ 70.907415][ T4486] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 70.983816][ T4486] device hsr_slave_0 entered promiscuous mode [ 71.022095][ T4486] device hsr_slave_1 entered promiscuous mode [ 71.101008][ T4486] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 71.162000][ T4486] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 71.203775][ T4486] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 71.243433][ T4486] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 71.310504][ T4486] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.311587][ T4486] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.312833][ T4486] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.313961][ T4486] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.336444][ T4486] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.341322][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.347095][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.348685][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.355034][ T4486] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.358659][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.360112][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.361202][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.367362][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.369185][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.370356][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.378710][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.381231][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.386245][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.395735][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.399170][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.403050][ T4486] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.447387][ T4486] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.453869][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.455114][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.458627][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 71.460081][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 71.466960][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 71.468457][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 71.470056][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 71.471466][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 71.475503][ T4486] device veth0_vlan entered promiscuous mode [ 71.479204][ T4486] device veth1_vlan entered promiscuous mode [ 71.488864][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 71.490273][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 71.491778][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 71.494089][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 71.496703][ T4486] device veth0_macvtap entered promiscuous mode [ 71.499320][ T4486] device veth1_macvtap entered promiscuous mode [ 71.506991][ T4486] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 71.508169][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 71.509790][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 71.511144][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 71.513175][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 71.517659][ T4486] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 71.518968][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 71.520527][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 71.524140][ T4486] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.525586][ T4486] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.527012][ T4486] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.528484][ T4486] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:01:11 executed programs: 0 [ 71.801660][ T4531] chnl_net:caif_netlink_parms(): no params data found [ 71.884604][ T4531] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.885724][ T4531] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.887281][ T4531] device bridge_slave_0 entered promiscuous mode [ 71.890259][ T4531] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.891347][ T4531] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.894331][ T4531] device bridge_slave_1 entered promiscuous mode [ 71.905170][ T4535] chnl_net:caif_netlink_parms(): no params data found [ 71.915808][ T4531] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.918473][ T4531] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.946895][ T4531] team0: Port device team_slave_0 added [ 71.960082][ T4531] team0: Port device team_slave_1 added [ 71.964821][ T4535] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.966058][ T4535] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.967585][ T4535] device bridge_slave_0 entered promiscuous mode [ 71.978185][ T4535] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.979322][ T4535] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.980881][ T4535] device bridge_slave_1 entered promiscuous mode [ 71.989813][ T4531] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 71.990829][ T4531] 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. [ 71.994913][ T4531] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 72.012528][ T4531] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 72.013665][ T4531] 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. [ 72.017591][ T4531] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 72.021285][ T4535] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.040855][ T4535] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 72.085260][ T4535] team0: Port device team_slave_0 added [ 72.089219][ T4547] chnl_net:caif_netlink_parms(): no params data found [ 72.123193][ T4531] device hsr_slave_0 entered promiscuous mode [ 72.182258][ T4531] device hsr_slave_1 entered promiscuous mode [ 72.242026][ T4531] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 72.243233][ T4531] Cannot create hsr debugfs directory [ 72.245165][ T4535] team0: Port device team_slave_1 added [ 72.261337][ T4535] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 72.262806][ T4535] 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. [ 72.266492][ T4535] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 72.283097][ T4535] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 72.284157][ T4535] 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. [ 72.287849][ T4535] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 72.291173][ T4539] chnl_net:caif_netlink_parms(): no params data found [ 72.336921][ T4552] chnl_net:caif_netlink_parms(): no params data found [ 72.341701][ T4547] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.345976][ T4547] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.347524][ T4547] device bridge_slave_0 entered promiscuous mode [ 72.393689][ T4535] device hsr_slave_0 entered promiscuous mode [ 72.432270][ T4535] device hsr_slave_1 entered promiscuous mode [ 72.471983][ T4535] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 72.473077][ T4535] Cannot create hsr debugfs directory [ 72.476199][ T4547] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.477310][ T4547] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.478875][ T4547] device bridge_slave_1 entered promiscuous mode [ 72.522454][ T4539] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.523559][ T4539] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.525353][ T4539] device bridge_slave_0 entered promiscuous mode [ 72.575650][ T4547] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.578753][ T4547] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 72.585176][ T4539] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.586264][ T4539] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.587677][ T4539] device bridge_slave_1 entered promiscuous mode [ 72.600024][ T4552] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.601162][ T4552] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.603678][ T4552] device bridge_slave_0 entered promiscuous mode [ 72.621061][ T4552] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.627871][ T4552] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.629502][ T4552] device bridge_slave_1 entered promiscuous mode [ 72.640110][ T4547] team0: Port device team_slave_0 added [ 72.643554][ T4539] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.646540][ T4547] team0: Port device team_slave_1 added [ 72.701560][ T4539] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 72.717879][ T4547] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 72.718959][ T4547] 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. [ 72.723906][ T4547] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 72.727251][ T4552] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.731393][ T4552] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 72.735506][ T4539] team0: Port device team_slave_0 added [ 72.736864][ T4547] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 72.737911][ T4547] 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. [ 72.742330][ T4547] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 72.753903][ T4552] team0: Port device team_slave_0 added [ 72.756431][ T4552] team0: Port device team_slave_1 added [ 72.762207][ T4539] team0: Port device team_slave_1 added [ 72.786806][ T4552] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 72.787993][ T4552] 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. [ 72.796797][ T4552] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 72.800834][ T4539] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 72.801858][ T4539] 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. [ 72.806854][ T4539] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 72.844103][ T4547] device hsr_slave_0 entered promiscuous mode [ 72.882772][ T4547] device hsr_slave_1 entered promiscuous mode [ 72.912117][ T4547] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 72.913346][ T4547] Cannot create hsr debugfs directory [ 72.914854][ T4552] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 72.915981][ T4552] 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. [ 72.919787][ T4552] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 72.948004][ T4539] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 72.949226][ T4539] 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. [ 72.954919][ T4539] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 73.024507][ T4539] device hsr_slave_0 entered promiscuous mode [ 73.062737][ T4539] device hsr_slave_1 entered promiscuous mode [ 73.082311][ T4539] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 73.083485][ T4539] Cannot create hsr debugfs directory [ 73.123382][ T4552] device hsr_slave_0 entered promiscuous mode [ 73.152469][ T4552] device hsr_slave_1 entered promiscuous mode [ 73.192523][ T4552] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 73.193673][ T4552] Cannot create hsr debugfs directory [ 73.429778][ T4535] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 73.454176][ T4535] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 73.514225][ T4539] netdevsim netdevsim2 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 73.517588][ T4535] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 73.534594][ T4535] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 73.580918][ T4547] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 73.633420][ T4547] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 73.672821][ T4547] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 73.692451][ T4146] Bluetooth: hci2: command 0x0409 tx timeout [ 73.693665][ T4146] Bluetooth: hci1: command 0x0409 tx timeout [ 73.714858][ T4547] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 73.772246][ T21] Bluetooth: hci3: command 0x0409 tx timeout [ 73.813233][ T4535] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.826895][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 73.828323][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.837277][ T4535] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.843198][ T4547] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.845088][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 73.846750][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.848229][ T337] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.849341][ T337] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.850704][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 73.853488][ T4140] Bluetooth: hci5: command 0x0409 tx timeout [ 73.854516][ T4140] Bluetooth: hci4: command 0x0409 tx timeout [ 73.859569][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 73.861660][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.863731][ T337] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.864871][ T337] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.868956][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 73.872786][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 73.874381][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.878641][ T4547] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.880712][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.884994][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 73.887323][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.894695][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.896524][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 73.898367][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.899853][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 73.901437][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.903957][ T337] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.904976][ T337] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.909345][ T4535] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 73.910939][ T4535] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 73.915393][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 73.916838][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 73.919372][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.920926][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 73.923979][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.925466][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 73.927083][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.928469][ T337] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.929577][ T337] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.944074][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 73.945590][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 73.947240][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.948806][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 73.950902][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.959403][ T4547] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 73.961127][ T4547] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 73.966647][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.968266][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 73.970048][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.982753][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 73.984289][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.985868][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 73.987333][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.989453][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 74.050349][ T4535] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 74.053775][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 74.054977][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 74.062439][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 74.064168][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 74.070743][ T4547] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 74.077408][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 74.078906][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 74.099208][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 74.100682][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 74.102492][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 74.104272][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 74.108197][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 74.110049][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 74.115557][ T4535] device veth0_vlan entered promiscuous mode [ 74.122923][ T4535] device veth1_vlan entered promiscuous mode [ 74.126977][ T4547] device veth0_vlan entered promiscuous mode [ 74.129210][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 74.130658][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 74.133629][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 74.135405][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 74.137356][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 74.146110][ T4547] device veth1_vlan entered promiscuous mode [ 74.150534][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 74.152967][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 74.154375][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 74.155839][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 74.161889][ T4535] device veth0_macvtap entered promiscuous mode [ 74.169742][ T4535] device veth1_macvtap entered promiscuous mode [ 74.174455][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 74.177714][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 74.179161][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 74.180590][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 74.183210][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 74.187855][ T4547] device veth0_macvtap entered promiscuous mode [ 74.190701][ T4547] device veth1_macvtap entered promiscuous mode [ 74.218613][ T4547] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 74.220223][ T4547] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.227772][ T4547] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 74.229004][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 74.230652][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 74.232417][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 74.241277][ T4535] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 74.243771][ T4535] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.245341][ T4535] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 74.246995][ T4535] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.249936][ T4535] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 74.251872][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 74.255286][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 74.257523][ T4547] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 74.259013][ T4547] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.261093][ T4547] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 74.263139][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 74.264885][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 74.267145][ T4535] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 74.268779][ T4535] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.270407][ T4535] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 74.273327][ T4535] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.275633][ T4535] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 74.281356][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 74.283280][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 74.285827][ T4547] netdevsim netdevsim3 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.287165][ T4547] netdevsim netdevsim3 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.288560][ T4547] netdevsim netdevsim3 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.290030][ T4547] netdevsim netdevsim3 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.298354][ T4535] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.299752][ T4535] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.301158][ T4535] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.303569][ T4535] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.369393][ T148] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 74.370644][ T148] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 74.372311][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 74.387092][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 74.388327][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 74.389638][ T587] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 74.405667][ T587] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 74.406847][ T587] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 74.408070][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 74.458359][ T587] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 74.459686][ T587] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 74.461041][ T587] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 74.677381][ T4741] loop3: detected capacity change from 0 to 32768 [ 74.694037][ T4741] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 74.695501][ T4741] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 74.723382][ T4745] loop1: detected capacity change from 0 to 32768 [ 74.724250][ T4741] gfs2: fsid=syz:syz.s: journal 0 mapped with 1 extents in 0ms [ 74.737544][ T4745] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.738687][ T4745] CPU: 0 PID: 4745 Comm: syz.1.16 Not tainted syzkaller #0 [ 74.739884][ T4745] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.741417][ T4745] Call trace: [ 74.741941][ T4745] dump_backtrace+0x0/0x458 [ 74.742596][ T4745] show_stack+0x2c/0x3c [ 74.743194][ T4745] __dump_stack+0x30/0x40 [ 74.743860][ T4745] dump_stack_lvl+0xf4/0x15c [ 74.744572][ T4745] dump_stack+0x1c/0x5c [ 74.745266][ T4745] sysfs_create_dir_ns+0x244/0x264 [ 74.746114][ T4745] kobject_add_internal+0x5ac/0xc3c [ 74.746933][ T4745] kobject_init_and_add+0x124/0x190 [ 74.747745][ T4745] gfs2_sys_fs_add+0x200/0x41c [ 74.748518][ T4745] gfs2_fill_super+0xddc/0x1a18 [ 74.749342][ T4745] get_tree_bdev+0x358/0x544 [ 74.750135][ T4745] gfs2_get_tree+0x54/0x1b4 [ 74.750886][ T4745] vfs_get_tree+0x90/0x274 [ 74.751599][ T4745] do_new_mount+0x228/0x810 [ 74.752348][ T4745] path_mount+0x5bc/0x1008 [ 74.753057][ T4745] __arm64_sys_mount+0x514/0x5f0 [ 74.753830][ T4745] invoke_syscall+0x98/0x2b0 [ 74.754636][ T4745] el0_svc_common+0x138/0x258 [ 74.755346][ T4745] do_el0_svc+0x58/0x13c [ 74.756009][ T4745] el0_svc+0x78/0x1d0 [ 74.756746][ T4745] el0t_64_sync_handler+0xcc/0xe4 [ 74.757570][ T4745] el0t_64_sync+0x1a0/0x1a4 [ 74.777431][ T4745] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.779437][ T4745] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.797135][ T4741] gfs2: fsid=syz:syz.s: first mount done, others may mount [ 75.020232][ T4745] loop1: detected capacity change from 0 to 32768 [ 75.057983][ T4745] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.059148][ T4745] CPU: 1 PID: 4745 Comm: syz.1.16 Not tainted syzkaller #0 [ 75.060218][ T4745] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.061676][ T4745] Call trace: [ 75.062175][ T4745] dump_backtrace+0x0/0x458 [ 75.062917][ T4745] show_stack+0x2c/0x3c [ 75.063629][ T4745] __dump_stack+0x30/0x40 [ 75.064366][ T4745] dump_stack_lvl+0xf4/0x15c [ 75.065140][ T4745] dump_stack+0x1c/0x5c [ 75.065842][ T4745] sysfs_create_dir_ns+0x244/0x264 [ 75.066662][ T4745] kobject_add_internal+0x5ac/0xc3c [ 75.067533][ T4745] kobject_init_and_add+0x124/0x190 [ 75.068367][ T4745] gfs2_sys_fs_add+0x200/0x41c [ 75.069136][ T4745] gfs2_fill_super+0xddc/0x1a18 [ 75.069912][ T4745] get_tree_bdev+0x358/0x544 [ 75.070644][ T4745] gfs2_get_tree+0x54/0x1b4 [ 75.071350][ T4745] vfs_get_tree+0x90/0x274 [ 75.072085][ T4745] do_new_mount+0x228/0x810 [ 75.072796][ T4745] path_mount+0x5bc/0x1008 [ 75.073509][ T4745] __arm64_sys_mount+0x514/0x5f0 [ 75.074287][ T4745] invoke_syscall+0x98/0x2b0 [ 75.074993][ T4745] el0_svc_common+0x138/0x258 [ 75.075744][ T4745] do_el0_svc+0x58/0x13c [ 75.076415][ T4745] el0_svc+0x78/0x1d0 [ 75.077057][ T4745] el0t_64_sync_handler+0xcc/0xe4 [ 75.077866][ T4745] el0t_64_sync+0x1a0/0x1a4 [ 75.105215][ T4745] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.112465][ T4745] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.438366][ T4777] loop1: detected capacity change from 0 to 32768 [ 75.486333][ T4777] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 75.487563][ T4777] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 75.507139][ T4777] gfs2: fsid=syz:syz.s: journal 0 mapped with 1 extents in 0ms [ 75.513609][ T4787] loop3: detected capacity change from 0 to 32768 [ 75.531853][ T4787] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.536245][ T4787] CPU: 0 PID: 4787 Comm: syz.3.21 Not tainted syzkaller #0 [ 75.537244][ T4787] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.538641][ T4787] Call trace: [ 75.539114][ T4787] dump_backtrace+0x0/0x458 [ 75.539853][ T4787] show_stack+0x2c/0x3c [ 75.540591][ T4787] __dump_stack+0x30/0x40 [ 75.541341][ T4787] dump_stack_lvl+0xf4/0x15c [ 75.542141][ T4787] dump_stack+0x1c/0x5c [ 75.542830][ T4787] sysfs_create_dir_ns+0x244/0x264 [ 75.543659][ T4787] kobject_add_internal+0x5ac/0xc3c [ 75.544468][ T4787] kobject_init_and_add+0x124/0x190 [ 75.545252][ T4787] gfs2_sys_fs_add+0x200/0x41c [ 75.545964][ T4787] gfs2_fill_super+0xddc/0x1a18 [ 75.546739][ T4787] get_tree_bdev+0x358/0x544 [ 75.547489][ T4787] gfs2_get_tree+0x54/0x1b4 [ 75.548157][ T4787] vfs_get_tree+0x90/0x274 [ 75.548812][ T4787] do_new_mount+0x228/0x810 [ 75.549511][ T4787] path_mount+0x5bc/0x1008 [ 75.550254][ T4787] __arm64_sys_mount+0x514/0x5f0 [ 75.551080][ T4787] invoke_syscall+0x98/0x2b0 [ 75.551778][ T4787] el0_svc_common+0x138/0x258 [ 75.552489][ T4787] do_el0_svc+0x58/0x13c [ 75.553183][ T4787] el0_svc+0x78/0x1d0 [ 75.553847][ T4787] el0t_64_sync_handler+0xcc/0xe4 [ 75.554677][ T4787] el0t_64_sync+0x1a0/0x1a4 [ 75.555536][ T4777] gfs2: fsid=syz:syz.s: first mount done, others may mount [ 75.559624][ T4787] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.561548][ T4787] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.772367][ T1968] Bluetooth: hci1: command 0x041b tx timeout [ 75.773640][ T1968] Bluetooth: hci2: command 0x041b tx timeout [ 75.853110][ T4140] Bluetooth: hci3: command 0x041b tx timeout [ 75.880892][ T4787] loop3: detected capacity change from 0 to 32768 [ 75.914038][ T4787] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 75.915275][ T4787] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 75.936787][ T4140] Bluetooth: hci4: command 0x041b tx timeout [ 75.937897][ T4140] Bluetooth: hci5: command 0x041b tx timeout [ 75.940437][ T4787] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms [ 75.944364][ T4550] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 75.945398][ T4550] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 75.970856][ T4550] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 25ms [ 75.976131][ T4550] gfs2: fsid=syz:syz.0: jid=0: Done [ 75.977387][ T4787] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 76.041601][ T4787] gfs2: fsid=syz:syz.0: can't make FS RW: -5 [ 76.046890][ T149] [ 76.047293][ T149] ====================================================== [ 76.048352][ T149] WARNING: possible circular locking dependency detected [ 76.049473][ T149] syzkaller #0 Not tainted [ 76.050162][ T149] ------------------------------------------------------ [ 76.051162][ T149] kworker/0:1H/149 is trying to acquire lock: [ 76.052087][ T149] ffff0000da06c0e0 (&type->s_umount_key#50){+.+.}-{3:3}, at: freeze_super+0x54/0x36c [ 76.053688][ T149] [ 76.053688][ T149] but task is already holding lock: [ 76.054875][ T149] ffff80001bfa7c00 ((work_completion)(&(&gl->gl_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6b8/0x1138 [ 76.056851][ T149] [ 76.056851][ T149] which lock already depends on the new lock. [ 76.056851][ T149] [ 76.058513][ T149] [ 76.058513][ T149] the existing dependency chain (in reverse order) is: [ 76.059953][ T149] [ 76.059953][ T149] -> #2 ((work_completion)(&(&gl->gl_work)->work)){+.+.}-{0:0}: [ 76.061459][ T149] process_one_work+0x6e0/0x1138 [ 76.062318][ T149] worker_thread+0x8f4/0x1034 [ 76.063140][ T149] kthread+0x374/0x454 [ 76.063837][ T149] ret_from_fork+0x10/0x20 [ 76.064612][ T149] [ 76.064612][ T149] -> #1 ((wq_completion)glock_workqueue){+.+.}-{0:0}: [ 76.065908][ T149] flush_workqueue+0x130/0x104c [ 76.066679][ T149] gfs2_gl_hash_clear+0xb0/0x2cc [ 76.067453][ T149] gfs2_put_super+0x614/0x6b4 [ 76.068207][ T149] generic_shutdown_super+0x130/0x2f0 [ 76.069101][ T149] kill_block_super+0x70/0xdc [ 76.069890][ T149] gfs2_kill_sb+0xc0/0xd4 [ 76.070632][ T149] deactivate_locked_super+0xb8/0x134 [ 76.071657][ T149] deactivate_super+0xf0/0x110 [ 76.072489][ T149] cleanup_mnt+0x3b8/0x46c [ 76.073286][ T149] __cleanup_mnt+0x20/0x30 [ 76.074078][ T149] task_work_run+0x12c/0x1d8 [ 76.074961][ T149] do_notify_resume+0x2450/0x309c [ 76.075899][ T149] el0_svc+0xf0/0x1d0 [ 76.076616][ T149] el0t_64_sync_handler+0xcc/0xe4 [ 76.077513][ T149] el0t_64_sync+0x1a0/0x1a4 [ 76.078322][ T149] [ 76.078322][ T149] -> #0 (&type->s_umount_key#50){+.+.}-{3:3}: [ 76.079655][ T149] __lock_acquire+0x2870/0x67ec [ 76.080553][ T149] lock_acquire+0x1f4/0x618 [ 76.081390][ T149] down_write+0xbc/0x12c [ 76.082145][ T149] freeze_super+0x54/0x36c [ 76.082988][ T149] freeze_go_sync+0x128/0x31c [ 76.083860][ T149] do_xmote+0x2ec/0xf58 [ 76.084636][ T149] run_queue+0x3fc/0x698 [ 76.085396][ T149] glock_work_func+0x208/0x440 [ 76.086294][ T149] process_one_work+0x79c/0x1138 [ 76.087139][ T149] worker_thread+0x8f4/0x1034 [ 76.088017][ T149] kthread+0x374/0x454 [ 76.088846][ T149] ret_from_fork+0x10/0x20 [ 76.089690][ T149] [ 76.089690][ T149] other info that might help us debug this: [ 76.089690][ T149] [ 76.091362][ T149] Chain exists of: [ 76.091362][ T149] &type->s_umount_key#50 --> (wq_completion)glock_workqueue --> (work_completion)(&(&gl->gl_work)->work) [ 76.091362][ T149] [ 76.094291][ T149] Possible unsafe locking scenario: [ 76.094291][ T149] [ 76.095439][ T149] CPU0 CPU1 [ 76.096286][ T149] ---- ---- [ 76.097166][ T149] lock((work_completion)(&(&gl->gl_work)->work)); [ 76.098262][ T149] lock((wq_completion)glock_workqueue); [ 76.099615][ T149] lock((work_completion)(&(&gl->gl_work)->work)); [ 76.101167][ T149] lock(&type->s_umount_key#50); [ 76.102001][ T149] [ 76.102001][ T149] *** DEADLOCK *** [ 76.102001][ T149] [ 76.103307][ T149] 2 locks held by kworker/0:1H/149: [ 76.104141][ T149] #0: ffff0000c68e7938 ((wq_completion)glock_workqueue){+.+.}-{0:0}, at: process_one_work+0x678/0x1138 [ 76.106026][ T149] #1: ffff80001bfa7c00 ((work_completion)(&(&gl->gl_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6b8/0x1138 [ 76.108110][ T149] [ 76.108110][ T149] stack backtrace: [ 76.109041][ T149] CPU: 0 PID: 149 Comm: kworker/0:1H Not tainted syzkaller #0 [ 76.110283][ T149] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.111901][ T149] Workqueue: glock_workqueue glock_work_func [ 76.112843][ T149] Call trace: [ 76.113368][ T149] dump_backtrace+0x0/0x458 [ 76.114115][ T149] show_stack+0x2c/0x3c [ 76.114827][ T149] __dump_stack+0x30/0x40 [ 76.115532][ T149] dump_stack_lvl+0xf4/0x15c [ 76.116338][ T149] dump_stack+0x1c/0x5c [ 76.117010][ T149] print_circular_bug+0x148/0x1b0 [ 76.117821][ T149] check_noncircular+0x264/0x2f8 [ 76.118695][ T149] __lock_acquire+0x2870/0x67ec [ 76.119552][ T149] lock_acquire+0x1f4/0x618 [ 76.120340][ T149] down_write+0xbc/0x12c [ 76.121041][ T149] freeze_super+0x54/0x36c [ 76.121789][ T149] freeze_go_sync+0x128/0x31c [ 76.122578][ T149] do_xmote+0x2ec/0xf58 [ 76.123291][ T149] run_queue+0x3fc/0x698 [ 76.124020][ T149] glock_work_func+0x208/0x440 [ 76.124847][ T149] process_one_work+0x79c/0x1138 [ 76.125690][ T149] worker_thread+0x8f4/0x1034 [ 76.126484][ T149] kthread+0x374/0x454 [ 76.127149][ T149] ret_from_fork+0x10/0x20 [ 76.188354][ T4835] loop1: detected capacity change from 0 to 32768 [ 76.246823][ T4835] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.248070][ T4835] CPU: 0 PID: 4835 Comm: syz.1.22 Not tainted syzkaller #0 [ 76.249181][ T4835] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.250575][ T4835] Call trace: [ 76.251019][ T4835] dump_backtrace+0x0/0x458 [ 76.251690][ T4835] show_stack+0x2c/0x3c [ 76.252308][ T4835] __dump_stack+0x30/0x40 [ 76.252957][ T4835] dump_stack_lvl+0xf4/0x15c [ 76.253716][ T4835] dump_stack+0x1c/0x5c [ 76.254390][ T4835] sysfs_create_dir_ns+0x244/0x264 [ 76.255232][ T4835] kobject_add_internal+0x5ac/0xc3c [ 76.256047][ T4835] kobject_init_and_add+0x124/0x190 [ 76.256863][ T4835] gfs2_sys_fs_add+0x200/0x41c [ 76.257617][ T4835] gfs2_fill_super+0xddc/0x1a18 [ 76.258381][ T4835] get_tree_bdev+0x358/0x544 [ 76.259134][ T4835] gfs2_get_tree+0x54/0x1b4 [ 76.259903][ T4835] vfs_get_tree+0x90/0x274 [ 76.260597][ T4835] do_new_mount+0x228/0x810 [ 76.261331][ T4835] path_mount+0x5bc/0x1008 [ 76.262077][ T4835] __arm64_sys_mount+0x514/0x5f0 [ 76.262884][ T4835] invoke_syscall+0x98/0x2b0 [ 76.263641][ T4835] el0_svc_common+0x138/0x258 [ 76.264391][ T4835] do_el0_svc+0x58/0x13c [ 76.265051][ T4835] el0_svc+0x78/0x1d0 [ 76.265736][ T4835] el0t_64_sync_handler+0xcc/0xe4 [ 76.266563][ T4835] el0t_64_sync+0x1a0/0x1a4 [ 76.269762][ T4835] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.271606][ T4835] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.420449][ T4835] loop1: detected capacity change from 0 to 32768 [ 76.428425][ T4835] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.431574][ T4835] CPU: 1 PID: 4835 Comm: syz.1.22 Not tainted syzkaller #0 [ 76.432687][ T4835] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.434320][ T4835] Call trace: [ 76.434837][ T4835] dump_backtrace+0x0/0x458 [ 76.435588][ T4835] show_stack+0x2c/0x3c [ 76.436286][ T4835] __dump_stack+0x30/0x40 [ 76.436986][ T4835] dump_stack_lvl+0xf4/0x15c [ 76.437716][ T4835] dump_stack+0x1c/0x5c [ 76.438344][ T4835] sysfs_create_dir_ns+0x244/0x264 [ 76.439115][ T4835] kobject_add_internal+0x5ac/0xc3c [ 76.439885][ T4835] kobject_init_and_add+0x124/0x190 [ 76.440642][ T4835] gfs2_sys_fs_add+0x200/0x41c [ 76.441324][ T4835] gfs2_fill_super+0xddc/0x1a18 [ 76.442032][ T4835] get_tree_bdev+0x358/0x544 [ 76.442696][ T4835] gfs2_get_tree+0x54/0x1b4 [ 76.443435][ T4835] vfs_get_tree+0x90/0x274 [ 76.444118][ T4835] do_new_mount+0x228/0x810 [ 76.444800][ T4835] path_mount+0x5bc/0x1008 [ 76.445519][ T4835] __arm64_sys_mount+0x514/0x5f0 [ 76.446347][ T4835] invoke_syscall+0x98/0x2b0 [ 76.447085][ T4835] el0_svc_common+0x138/0x258 [ 76.447837][ T4835] do_el0_svc+0x58/0x13c [ 76.448489][ T4835] el0_svc+0x78/0x1d0 [ 76.449187][ T4835] el0t_64_sync_handler+0xcc/0xe4 [ 76.449958][ T4835] el0t_64_sync+0x1a0/0x1a4 [ 76.454232][ T4835] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.456186][ T4835] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.515531][ T4539] netdevsim netdevsim2 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:01:16 executed programs: 15 [ 76.685257][ T4539] netdevsim netdevsim2 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 76.696771][ T4890] loop1: detected capacity change from 0 to 32768 [ 76.701455][ T4890] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.703220][ T4890] CPU: 0 PID: 4890 Comm: syz.1.23 Not tainted syzkaller #0 [ 76.704339][ T4890] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.705834][ T4890] Call trace: [ 76.706337][ T4890] dump_backtrace+0x0/0x458 [ 76.706981][ T4890] show_stack+0x2c/0x3c [ 76.707624][ T4890] __dump_stack+0x30/0x40 [ 76.708382][ T4890] dump_stack_lvl+0xf4/0x15c [ 76.709141][ T4890] dump_stack+0x1c/0x5c [ 76.709774][ T4890] sysfs_create_dir_ns+0x244/0x264 [ 76.710552][ T4890] kobject_add_internal+0x5ac/0xc3c [ 76.711395][ T4890] kobject_init_and_add+0x124/0x190 [ 76.712240][ T4890] gfs2_sys_fs_add+0x200/0x41c [ 76.713020][ T4890] gfs2_fill_super+0xddc/0x1a18 [ 76.713812][ T4890] get_tree_bdev+0x358/0x544 [ 76.714611][ T4890] gfs2_get_tree+0x54/0x1b4 [ 76.715366][ T4890] vfs_get_tree+0x90/0x274 [ 76.716110][ T4890] do_new_mount+0x228/0x810 [ 76.716819][ T4890] path_mount+0x5bc/0x1008 [ 76.717529][ T4890] __arm64_sys_mount+0x514/0x5f0 [ 76.718335][ T4890] invoke_syscall+0x98/0x2b0 [ 76.719110][ T4890] el0_svc_common+0x138/0x258 [ 76.719840][ T4890] do_el0_svc+0x58/0x13c [ 76.720518][ T4890] el0_svc+0x78/0x1d0 [ 76.721189][ T4890] el0t_64_sync_handler+0xcc/0xe4 [ 76.722043][ T4890] el0t_64_sync+0x1a0/0x1a4 [ 76.724198][ T4890] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.731676][ T4890] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.843565][ T4890] loop1: detected capacity change from 0 to 32768 [ 76.880600][ T4890] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.881819][ T4890] CPU: 1 PID: 4890 Comm: syz.1.23 Not tainted syzkaller #0 [ 76.882855][ T4890] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.884561][ T4890] Call trace: [ 76.885103][ T4890] dump_backtrace+0x0/0x458 [ 76.885858][ T4890] show_stack+0x2c/0x3c [ 76.886542][ T4890] __dump_stack+0x30/0x40 [ 76.887247][ T4890] dump_stack_lvl+0xf4/0x15c [ 76.887979][ T4890] dump_stack+0x1c/0x5c [ 76.888618][ T4890] sysfs_create_dir_ns+0x244/0x264 [ 76.889417][ T4890] kobject_add_internal+0x5ac/0xc3c [ 76.890210][ T4890] kobject_init_and_add+0x124/0x190 [ 76.891008][ T4890] gfs2_sys_fs_add+0x200/0x41c [ 76.891748][ T4890] gfs2_fill_super+0xddc/0x1a18 [ 76.892488][ T4890] get_tree_bdev+0x358/0x544 [ 76.893191][ T4890] gfs2_get_tree+0x54/0x1b4 [ 76.893876][ T4890] vfs_get_tree+0x90/0x274 [ 76.894532][ T4890] do_new_mount+0x228/0x810 [ 76.895217][ T4890] path_mount+0x5bc/0x1008 [ 76.895959][ T4890] __arm64_sys_mount+0x514/0x5f0 [ 76.896737][ T4890] invoke_syscall+0x98/0x2b0 [ 76.897487][ T4890] el0_svc_common+0x138/0x258 [ 76.898230][ T4890] do_el0_svc+0x58/0x13c [ 76.898896][ T4890] el0_svc+0x78/0x1d0 [ 76.899518][ T4890] el0t_64_sync_handler+0xcc/0xe4 [ 76.900297][ T4890] el0t_64_sync+0x1a0/0x1a4 [ 76.904927][ T4890] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.906975][ T4890] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.948878][ T4539] netdevsim netdevsim2 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 77.046929][ T4908] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.048097][ T4908] CPU: 0 PID: 4908 Comm: syz.1.24 Not tainted syzkaller #0 [ 77.049331][ T4908] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.051019][ T4908] Call trace: [ 77.051544][ T4908] dump_backtrace+0x0/0x458 [ 77.052254][ T4908] show_stack+0x2c/0x3c [ 77.052937][ T4908] __dump_stack+0x30/0x40 [ 77.053693][ T4908] dump_stack_lvl+0xf4/0x15c [ 77.054451][ T4908] dump_stack+0x1c/0x5c [ 77.055086][ T4908] sysfs_create_dir_ns+0x244/0x264 [ 77.055904][ T4908] kobject_add_internal+0x5ac/0xc3c [ 77.056761][ T4908] kobject_init_and_add+0x124/0x190 [ 77.057554][ T4908] gfs2_sys_fs_add+0x200/0x41c [ 77.058276][ T4908] gfs2_fill_super+0xddc/0x1a18 [ 77.059051][ T4908] get_tree_bdev+0x358/0x544 [ 77.059807][ T4908] gfs2_get_tree+0x54/0x1b4 [ 77.060572][ T4908] vfs_get_tree+0x90/0x274 [ 77.061204][ T4908] do_new_mount+0x228/0x810 [ 77.061998][ T4908] path_mount+0x5bc/0x1008 [ 77.062734][ T4908] __arm64_sys_mount+0x514/0x5f0 [ 77.063463][ T4908] invoke_syscall+0x98/0x2b0 [ 77.064126][ T4908] el0_svc_common+0x138/0x258 [ 77.064805][ T4908] do_el0_svc+0x58/0x13c [ 77.065445][ T4908] el0_svc+0x78/0x1d0 [ 77.066032][ T4908] el0t_64_sync_handler+0xcc/0xe4 [ 77.066801][ T4908] el0t_64_sync+0x1a0/0x1a4 [ 77.068587][ T4908] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.070944][ T4908] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.118919][ T4539] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 77.163188][ T4539] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 77.204374][ T4539] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 77.265567][ T4908] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.266826][ T4908] CPU: 1 PID: 4908 Comm: syz.1.24 Not tainted syzkaller #0 [ 77.268032][ T4908] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.269635][ T4908] Call trace: [ 77.270145][ T4908] dump_backtrace+0x0/0x458 [ 77.270861][ T4908] show_stack+0x2c/0x3c [ 77.271551][ T4908] __dump_stack+0x30/0x40 [ 77.272298][ T4908] dump_stack_lvl+0xf4/0x15c [ 77.273101][ T4908] dump_stack+0x1c/0x5c [ 77.273770][ T4908] sysfs_create_dir_ns+0x244/0x264 [ 77.274587][ T4908] kobject_add_internal+0x5ac/0xc3c [ 77.275394][ T4908] kobject_init_and_add+0x124/0x190 [ 77.276197][ T4908] gfs2_sys_fs_add+0x200/0x41c [ 77.277000][ T4908] gfs2_fill_super+0xddc/0x1a18 [ 77.277782][ T4908] get_tree_bdev+0x358/0x544 [ 77.278519][ T4908] gfs2_get_tree+0x54/0x1b4 [ 77.279198][ T4908] vfs_get_tree+0x90/0x274 [ 77.279893][ T4908] do_new_mount+0x228/0x810 [ 77.280639][ T4908] path_mount+0x5bc/0x1008 [ 77.281382][ T4908] __arm64_sys_mount+0x514/0x5f0 [ 77.282032][ T4539] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 77.282203][ T4908] invoke_syscall+0x98/0x2b0 [ 77.283976][ T4908] el0_svc_common+0x138/0x258 [ 77.284744][ T4908] do_el0_svc+0x58/0x13c [ 77.285465][ T4908] el0_svc+0x78/0x1d0 [ 77.286090][ T4908] el0t_64_sync_handler+0xcc/0xe4 [ 77.286881][ T4908] el0t_64_sync+0x1a0/0x1a4 [ 77.290118][ T4908] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.293335][ T4908] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.329538][ T4531] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 77.355479][ T4531] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 77.421369][ T4531] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 77.472689][ T4949] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.473953][ T4949] CPU: 1 PID: 4949 Comm: syz.1.25 Not tainted syzkaller #0 [ 77.474951][ T4949] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.476324][ T4949] Call trace: [ 77.476799][ T4949] dump_backtrace+0x0/0x458 [ 77.477427][ T4949] show_stack+0x2c/0x3c [ 77.478027][ T4949] __dump_stack+0x30/0x40 [ 77.478674][ T4949] dump_stack_lvl+0xf4/0x15c [ 77.479358][ T4949] dump_stack+0x1c/0x5c [ 77.479958][ T4949] sysfs_create_dir_ns+0x244/0x264 [ 77.480762][ T4949] kobject_add_internal+0x5ac/0xc3c [ 77.481426][ T4552] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 77.481580][ T4949] kobject_init_and_add+0x124/0x190 [ 77.483381][ T4949] gfs2_sys_fs_add+0x200/0x41c [ 77.484146][ T4949] gfs2_fill_super+0xddc/0x1a18 [ 77.484983][ T4949] get_tree_bdev+0x358/0x544 [ 77.485754][ T4949] gfs2_get_tree+0x54/0x1b4 [ 77.486463][ T4949] vfs_get_tree+0x90/0x274 [ 77.487176][ T4949] do_new_mount+0x228/0x810 [ 77.487930][ T4949] path_mount+0x5bc/0x1008 [ 77.488638][ T4949] __arm64_sys_mount+0x514/0x5f0 [ 77.489385][ T4949] invoke_syscall+0x98/0x2b0 [ 77.490105][ T4949] el0_svc_common+0x138/0x258 [ 77.490794][ T4949] do_el0_svc+0x58/0x13c [ 77.491517][ T4949] el0_svc+0x78/0x1d0 [ 77.492159][ T4949] el0t_64_sync_handler+0xcc/0xe4 [ 77.492984][ T4949] el0t_64_sync+0x1a0/0x1a4 [ 77.498034][ T4949] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.500053][ T4949] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.523589][ T4531] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 77.572977][ T4552] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 77.603344][ T4552] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 77.633251][ T4552] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 77.695991][ T4949] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.697157][ T4949] CPU: 1 PID: 4949 Comm: syz.1.25 Not tainted syzkaller #0 [ 77.698228][ T4949] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.699719][ T4949] Call trace: [ 77.699933][ T4539] 8021q: adding VLAN 0 to HW filter on device bond0 [ 77.700184][ T4949] dump_backtrace+0x0/0x458 [ 77.701869][ T4949] show_stack+0x2c/0x3c [ 77.702463][ T4949] __dump_stack+0x30/0x40 [ 77.703091][ T4949] dump_stack_lvl+0xf4/0x15c [ 77.703761][ T4949] dump_stack+0x1c/0x5c [ 77.704356][ T4949] sysfs_create_dir_ns+0x244/0x264 [ 77.705094][ T4949] kobject_add_internal+0x5ac/0xc3c [ 77.705560][ T4539] 8021q: adding VLAN 0 to HW filter on device team0 [ 77.705884][ T4949] kobject_init_and_add+0x124/0x190 [ 77.707721][ T4949] gfs2_sys_fs_add+0x200/0x41c [ 77.708422][ T4949] gfs2_fill_super+0xddc/0x1a18 [ 77.709171][ T4949] get_tree_bdev+0x358/0x544 [ 77.709889][ T4949] gfs2_get_tree+0x54/0x1b4 [ 77.710575][ T4949] vfs_get_tree+0x90/0x274 [ 77.711253][ T4949] do_new_mount+0x228/0x810 [ 77.711964][ T4949] path_mount+0x5bc/0x1008 [ 77.712637][ T4949] __arm64_sys_mount+0x514/0x5f0 [ 77.713390][ T4949] invoke_syscall+0x98/0x2b0 [ 77.714078][ T4949] el0_svc_common+0x138/0x258 [ 77.714768][ T4949] do_el0_svc+0x58/0x13c [ 77.715370][ T4949] el0_svc+0x78/0x1d0 [ 77.715936][ T4949] el0t_64_sync_handler+0xcc/0xe4 [ 77.716655][ T4949] el0t_64_sync+0x1a0/0x1a4 [ 77.718325][ T4949] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.720255][ T4949] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.725179][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 77.726607][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 77.727989][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 77.729438][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 77.730812][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.731848][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 77.738419][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 77.744274][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 77.745786][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.746874][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 77.748392][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 77.750136][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 77.751773][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 77.753977][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 77.755550][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 77.756921][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 77.758610][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 77.760059][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 77.761540][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 77.763864][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 77.765714][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 77.767934][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 77.778610][ T4531] 8021q: adding VLAN 0 to HW filter on device bond0 [ 77.780662][ T4539] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 77.815351][ T587] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 77.816775][ T587] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 77.826097][ T4531] 8021q: adding VLAN 0 to HW filter on device team0 [ 77.841873][ T4552] 8021q: adding VLAN 0 to HW filter on device bond0 [ 77.852645][ T587] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 77.854338][ T587] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 77.855822][ T587] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.856903][ T587] bridge0: port 1(bridge_slave_0) entered forwarding state [ 77.858201][ T587] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 77.862347][ T4141] Bluetooth: hci2: command 0x040f tx timeout [ 77.863999][ T4141] Bluetooth: hci1: command 0x040f tx timeout [ 77.867948][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 77.869551][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 77.871015][ T337] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.872161][ T337] bridge0: port 2(bridge_slave_1) entered forwarding state [ 77.876756][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 77.886627][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 77.888509][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 77.889938][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 77.891562][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 77.893545][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 77.894850][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 77.896477][ T4951] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.896853][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 77.897753][ T4951] CPU: 0 PID: 4951 Comm: syz.1.26 Not tainted syzkaller #0 [ 77.899406][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 77.899987][ T4951] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.902769][ T4951] Call trace: [ 77.903238][ T4552] 8021q: adding VLAN 0 to HW filter on device team0 [ 77.903286][ T4951] dump_backtrace+0x0/0x458 [ 77.905059][ T4951] show_stack+0x2c/0x3c [ 77.905759][ T4951] __dump_stack+0x30/0x40 [ 77.906453][ T4951] dump_stack_lvl+0xf4/0x15c [ 77.907186][ T4951] dump_stack+0x1c/0x5c [ 77.907853][ T4951] sysfs_create_dir_ns+0x244/0x264 [ 77.908665][ T4951] kobject_add_internal+0x5ac/0xc3c [ 77.909462][ T4951] kobject_init_and_add+0x124/0x190 [ 77.910395][ T4951] gfs2_sys_fs_add+0x200/0x41c [ 77.911183][ T4951] gfs2_fill_super+0xddc/0x1a18 [ 77.911976][ T4951] get_tree_bdev+0x358/0x544 [ 77.912724][ T4951] gfs2_get_tree+0x54/0x1b4 [ 77.913456][ T4951] vfs_get_tree+0x90/0x274 [ 77.914155][ T4951] do_new_mount+0x228/0x810 [ 77.914855][ T4951] path_mount+0x5bc/0x1008 [ 77.915555][ T4951] __arm64_sys_mount+0x514/0x5f0 [ 77.916314][ T4951] invoke_syscall+0x98/0x2b0 [ 77.917116][ T4951] el0_svc_common+0x138/0x258 [ 77.917812][ T4951] do_el0_svc+0x58/0x13c [ 77.918422][ T4951] el0_svc+0x78/0x1d0 [ 77.919003][ T4951] el0t_64_sync_handler+0xcc/0xe4 [ 77.919860][ T4951] el0t_64_sync+0x1a0/0x1a4 [ 77.923536][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 77.925137][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 77.926693][ T337] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.926725][ T4951] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.927849][ T337] bridge0: port 1(bridge_slave_0) entered forwarding state [ 77.929901][ T4951] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.931286][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 77.934384][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 77.935836][ T337] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.936934][ T337] bridge0: port 2(bridge_slave_1) entered forwarding state [ 77.938380][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 77.940838][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 77.942407][ T4141] Bluetooth: hci3: command 0x040f tx timeout [ 77.945081][ T587] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 77.946795][ T587] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 77.949726][ T4539] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 77.954689][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 77.956069][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 77.957540][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 77.961323][ T4531] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 77.966669][ T4531] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 77.969699][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 77.971185][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 77.985689][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 77.987187][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 77.988741][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 78.010262][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 78.011849][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 78.014551][ T4144] Bluetooth: hci5: command 0x040f tx timeout [ 78.015504][ T4144] Bluetooth: hci4: command 0x040f tx timeout [ 78.017802][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 78.020422][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 78.031020][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 78.032783][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 78.034191][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 78.035892][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 78.058572][ T4552] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 78.060895][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 78.062786][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 78.064397][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 78.065769][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 78.069153][ T4539] device veth0_vlan entered promiscuous mode [ 78.078652][ T4539] device veth1_vlan entered promiscuous mode [ 78.089015][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 78.090484][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 78.091858][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 78.096319][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 78.100161][ T4531] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 78.117394][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 78.118986][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 78.121652][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 78.124223][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 78.128420][ T4539] device veth0_macvtap entered promiscuous mode [ 78.136825][ T4539] device veth1_macvtap entered promiscuous mode [ 78.140737][ T4531] device veth0_vlan entered promiscuous mode [ 78.143256][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 78.144700][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 78.146054][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 78.147454][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 78.148965][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 78.150372][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 78.167590][ T4531] device veth1_vlan entered promiscuous mode [ 78.169400][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 78.170843][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 78.172902][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 78.177281][ T4539] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 78.179107][ T4539] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 78.180687][ T4539] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 78.182580][ T4539] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 78.184081][ T4539] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 78.185777][ T4539] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 78.188025][ T4539] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 78.190455][ T4552] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 78.192481][ T4759] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 78.193938][ T4759] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 78.195353][ T4759] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 78.199153][ T4539] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 78.200683][ T4539] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 78.212016][ T4951] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.213216][ T4951] CPU: 1 PID: 4951 Comm: syz.1.26 Not tainted syzkaller #0 [ 78.213899][ T4539] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 78.214347][ T4951] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.215889][ T4539] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 78.217523][ T4951] Call trace: [ 78.219175][ T4539] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 78.219714][ T4951] dump_backtrace+0x0/0x458 [ 78.221355][ T4539] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 78.222109][ T4951] show_stack+0x2c/0x3c [ 78.222123][ T4951] __dump_stack+0x30/0x40 [ 78.222133][ T4951] dump_stack_lvl+0xf4/0x15c [ 78.222141][ T4951] dump_stack+0x1c/0x5c [ 78.222146][ T4951] sysfs_create_dir_ns+0x244/0x264 [ 78.222151][ T4951] kobject_add_internal+0x5ac/0xc3c [ 78.222157][ T4951] kobject_init_and_add+0x124/0x190 [ 78.222161][ T4951] gfs2_sys_fs_add+0x200/0x41c [ 78.222165][ T4951] gfs2_fill_super+0xddc/0x1a18 [ 78.222170][ T4951] get_tree_bdev+0x358/0x544 [ 78.222175][ T4951] gfs2_get_tree+0x54/0x1b4 [ 78.222179][ T4951] vfs_get_tree+0x90/0x274 [ 78.222183][ T4951] do_new_mount+0x228/0x810 [ 78.222188][ T4951] path_mount+0x5bc/0x1008 [ 78.224838][ T4539] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 78.224934][ T4951] __arm64_sys_mount+0x514/0x5f0 [ 78.229422][ T4531] device veth0_macvtap entered promiscuous mode [ 78.229508][ T4951] invoke_syscall+0x98/0x2b0 [ 78.231520][ T4531] device veth1_macvtap entered promiscuous mode [ 78.231637][ T4951] el0_svc_common+0x138/0x258 [ 78.237242][ T4531] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 78.237303][ T4951] do_el0_svc+0x58/0x13c [ 78.238156][ T4531] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 78.238862][ T4951] el0_svc+0x78/0x1d0 [ 78.240445][ T4531] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 78.241069][ T4951] el0t_64_sync_handler+0xcc/0xe4 [ 78.242803][ T4531] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 78.243195][ T4951] el0t_64_sync+0x1a0/0x1a4 [ 78.244850][ T4531] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 78.249478][ T4531] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 78.251057][ T4531] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 78.254225][ T4531] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 78.255340][ T4951] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.256965][ T4531] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 78.259997][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 78.261360][ T4951] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.261557][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 78.265282][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 78.266795][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 78.268346][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 78.269981][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 78.271385][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 78.285455][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 78.288615][ T4539] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.291202][ T4539] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.293185][ T4539] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.294666][ T4539] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.297754][ T4531] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 78.299559][ T4531] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 78.301139][ T4531] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 78.303667][ T4531] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 78.305302][ T4531] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 78.307111][ T4531] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 78.308568][ T4531] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 78.310115][ T4531] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 78.313059][ T4531] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 78.314815][ T4759] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 78.316407][ T4759] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 78.339479][ T4531] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.341041][ T4531] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.345522][ T4531] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.347043][ T4531] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.349253][ T4539] ieee80211 phy13: Selected rate control algorithm 'minstrel_ht' [ 78.371320][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 78.373459][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 78.374668][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 78.376913][ T4539] ieee80211 phy14: Selected rate control algorithm 'minstrel_ht' [ 78.390367][ T4759] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 78.391644][ T4759] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 78.407412][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 78.408935][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 78.411192][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 78.420243][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 78.421838][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 78.424975][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 78.426413][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 78.429024][ T4552] device veth0_vlan entered promiscuous mode [ 78.436664][ T4531] ieee80211 phy15: Selected rate control algorithm 'minstrel_ht' [ 78.440874][ T4552] device veth1_vlan entered promiscuous mode [ 78.455488][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 78.456751][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 78.458133][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 78.459741][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 78.467995][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 78.470027][ T4531] ieee80211 phy16: Selected rate control algorithm 'minstrel_ht' [ 78.481752][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 78.483607][ T337] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 78.506120][ T4552] device veth0_macvtap entered promiscuous mode [ 78.513313][ T337] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 78.514425][ T337] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 78.515733][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 78.517193][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 78.519409][ T4552] device veth1_macvtap entered promiscuous mode [ 78.535360][ T4552] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 78.536964][ T4552] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 78.538410][ T4552] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 78.540036][ T4552] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 78.541509][ T4552] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 78.544025][ T4968] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.545204][ T4968] CPU: 1 PID: 4968 Comm: syz.1.27 Not tainted syzkaller #0 [ 78.546447][ T4968] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.548156][ T4968] Call trace: [ 78.548769][ T4968] dump_backtrace+0x0/0x458 [ 78.549504][ T4968] show_stack+0x2c/0x3c [ 78.550202][ T4968] __dump_stack+0x30/0x40 [ 78.550929][ T4968] dump_stack_lvl+0xf4/0x15c [ 78.551598][ T4968] dump_stack+0x1c/0x5c [ 78.552054][ T4552] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 78.552241][ T4968] sysfs_create_dir_ns+0x244/0x264 [ 78.553869][ T4552] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 78.554517][ T4968] kobject_add_internal+0x5ac/0xc3c [ 78.556119][ T4552] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 78.556852][ T4968] kobject_init_and_add+0x124/0x190 [ 78.558452][ T4552] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 78.559224][ T4968] gfs2_sys_fs_add+0x200/0x41c [ 78.560877][ T4552] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 78.561650][ T4968] gfs2_fill_super+0xddc/0x1a18 [ 78.563901][ T4968] get_tree_bdev+0x358/0x544 [ 78.564650][ T4968] gfs2_get_tree+0x54/0x1b4 [ 78.565327][ T4968] vfs_get_tree+0x90/0x274 [ 78.566004][ T4968] do_new_mount+0x228/0x810 [ 78.566683][ T4968] path_mount+0x5bc/0x1008 [ 78.567354][ T4968] __arm64_sys_mount+0x514/0x5f0 [ 78.568064][ T4968] invoke_syscall+0x98/0x2b0 [ 78.568753][ T4968] el0_svc_common+0x138/0x258 [ 78.569458][ T4968] do_el0_svc+0x58/0x13c [ 78.570127][ T4968] el0_svc+0x78/0x1d0 [ 78.570802][ T4968] el0t_64_sync_handler+0xcc/0xe4 [ 78.571611][ T4968] el0t_64_sync+0x1a0/0x1a4 [ 78.573001][ T4552] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 78.576706][ T4552] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 78.579365][ T4552] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 78.580888][ T4552] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 78.590148][ T4968] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.592159][ T4552] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 78.593957][ T4552] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 78.595819][ T4552] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 78.597439][ T4552] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 78.597908][ T4968] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.599118][ T4552] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 78.601592][ T4552] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 78.603549][ T4552] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 78.605969][ T4552] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 78.607104][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 78.608667][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 78.610192][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 78.611697][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 78.615940][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 78.644273][ T4552] netdevsim netdevsim4 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.645858][ T4552] netdevsim netdevsim4 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.647147][ T4552] netdevsim netdevsim4 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.648443][ T4552] netdevsim netdevsim4 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.657223][ T4973] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.658405][ T4973] CPU: 1 PID: 4973 Comm: syz.2.17 Not tainted syzkaller #0 [ 78.659484][ T4973] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.660963][ T4973] Call trace: [ 78.661453][ T4973] dump_backtrace+0x0/0x458 [ 78.662148][ T4973] show_stack+0x2c/0x3c [ 78.662832][ T4973] __dump_stack+0x30/0x40 [ 78.663572][ T4973] dump_stack_lvl+0xf4/0x15c [ 78.664295][ T4973] dump_stack+0x1c/0x5c [ 78.665005][ T4973] sysfs_create_dir_ns+0x244/0x264 [ 78.665885][ T4973] kobject_add_internal+0x5ac/0xc3c [ 78.666712][ T4973] kobject_init_and_add+0x124/0x190 [ 78.667532][ T4973] gfs2_sys_fs_add+0x200/0x41c [ 78.668323][ T4973] gfs2_fill_super+0xddc/0x1a18 [ 78.669129][ T4973] get_tree_bdev+0x358/0x544 [ 78.669838][ T4973] gfs2_get_tree+0x54/0x1b4 [ 78.670579][ T4973] vfs_get_tree+0x90/0x274 [ 78.671273][ T4973] do_new_mount+0x228/0x810 [ 78.671992][ T4973] path_mount+0x5bc/0x1008 [ 78.672696][ T4973] __arm64_sys_mount+0x514/0x5f0 [ 78.673444][ T4973] invoke_syscall+0x98/0x2b0 [ 78.674116][ T4973] el0_svc_common+0x138/0x258 [ 78.674798][ T4973] do_el0_svc+0x58/0x13c [ 78.675450][ T4973] el0_svc+0x78/0x1d0 [ 78.676143][ T4973] el0t_64_sync_handler+0xcc/0xe4 [ 78.676959][ T4973] el0t_64_sync+0x1a0/0x1a4 [ 78.682841][ T4973] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.684988][ T4973] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.702816][ T4552] ieee80211 phy17: Selected rate control algorithm 'minstrel_ht' [ 78.710081][ T4759] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 78.710639][ T4552] ieee80211 phy18: Selected rate control algorithm 'minstrel_ht' [ 78.711309][ T4759] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 78.724743][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 78.736088][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 78.737332][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 78.738617][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 78.890349][ T4975] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.891568][ T4975] CPU: 0 PID: 4975 Comm: syz.0.15 Not tainted syzkaller #0 [ 78.892799][ T4975] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.894532][ T4975] Call trace: [ 78.895083][ T4975] dump_backtrace+0x0/0x458 [ 78.895838][ T4975] show_stack+0x2c/0x3c [ 78.896513][ T4975] __dump_stack+0x30/0x40 [ 78.897246][ T4975] dump_stack_lvl+0xf4/0x15c [ 78.898049][ T4975] dump_stack+0x1c/0x5c [ 78.898726][ T4975] sysfs_create_dir_ns+0x244/0x264 [ 78.899563][ T4975] kobject_add_internal+0x5ac/0xc3c [ 78.900446][ T4975] kobject_init_and_add+0x124/0x190 [ 78.901288][ T4975] gfs2_sys_fs_add+0x200/0x41c [ 78.902078][ T4975] gfs2_fill_super+0xddc/0x1a18 [ 78.902871][ T4975] get_tree_bdev+0x358/0x544 [ 78.903609][ T4975] gfs2_get_tree+0x54/0x1b4 [ 78.904361][ T4975] vfs_get_tree+0x90/0x274 [ 78.905111][ T4975] do_new_mount+0x228/0x810 [ 78.905875][ T4975] path_mount+0x5bc/0x1008 [ 78.906623][ T4975] __arm64_sys_mount+0x514/0x5f0 [ 78.907462][ T4975] invoke_syscall+0x98/0x2b0 [ 78.908230][ T4975] el0_svc_common+0x138/0x258 [ 78.909004][ T4975] do_el0_svc+0x58/0x13c [ 78.909716][ T4975] el0_svc+0x78/0x1d0 [ 78.910375][ T4975] el0t_64_sync_handler+0xcc/0xe4 [ 78.911168][ T4975] el0t_64_sync+0x1a0/0x1a4 [ 78.934675][ T4975] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.936893][ T4975] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.030918][ T4973] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.032108][ T4973] CPU: 1 PID: 4973 Comm: syz.2.17 Not tainted syzkaller #0 [ 79.033286][ T4973] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 79.034812][ T4973] Call trace: [ 79.035302][ T4973] dump_backtrace+0x0/0x458 [ 79.035974][ T4973] show_stack+0x2c/0x3c [ 79.036575][ T4973] __dump_stack+0x30/0x40 [ 79.037217][ T4973] dump_stack_lvl+0xf4/0x15c [ 79.037892][ T4973] dump_stack+0x1c/0x5c [ 79.038519][ T4973] sysfs_create_dir_ns+0x244/0x264 [ 79.039338][ T4973] kobject_add_internal+0x5ac/0xc3c [ 79.040154][ T4973] kobject_init_and_add+0x124/0x190 [ 79.040975][ T4973] gfs2_sys_fs_add+0x200/0x41c [ 79.041724][ T4973] gfs2_fill_super+0xddc/0x1a18 [ 79.042486][ T4973] get_tree_bdev+0x358/0x544 [ 79.043224][ T4973] gfs2_get_tree+0x54/0x1b4 [ 79.043966][ T4973] vfs_get_tree+0x90/0x274 [ 79.044710][ T4973] do_new_mount+0x228/0x810 [ 79.045470][ T4973] path_mount+0x5bc/0x1008 [ 79.046198][ T4973] __arm64_sys_mount+0x514/0x5f0 [ 79.046976][ T4973] invoke_syscall+0x98/0x2b0 [ 79.047691][ T4973] el0_svc_common+0x138/0x258 [ 79.048423][ T4973] do_el0_svc+0x58/0x13c [ 79.049088][ T4973] el0_svc+0x78/0x1d0 [ 79.049725][ T4973] el0t_64_sync_handler+0xcc/0xe4 [ 79.050470][ T4973] el0t_64_sync+0x1a0/0x1a4 [ 79.057189][ T4968] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.058455][ T4968] CPU: 0 PID: 4968 Comm: syz.1.27 Not tainted syzkaller #0 [ 79.059593][ T4968] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 79.061255][ T4968] Call trace: [ 79.061795][ T4968] dump_backtrace+0x0/0x458 [ 79.062500][ T4968] show_stack+0x2c/0x3c [ 79.063180][ T4968] __dump_stack+0x30/0x40 [ 79.063880][ T4968] dump_stack_lvl+0xf4/0x15c [ 79.064680][ T4968] dump_stack+0x1c/0x5c [ 79.065287][ T4968] sysfs_create_dir_ns+0x244/0x264 [ 79.066108][ T4968] kobject_add_internal+0x5ac/0xc3c [ 79.066938][ T4968] kobject_init_and_add+0x124/0x190 [ 79.067689][ T4968] gfs2_sys_fs_add+0x200/0x41c [ 79.068388][ T4968] gfs2_fill_super+0xddc/0x1a18 [ 79.069135][ T4968] get_tree_bdev+0x358/0x544 [ 79.069822][ T4968] gfs2_get_tree+0x54/0x1b4 [ 79.070527][ T4968] vfs_get_tree+0x90/0x274 [ 79.071168][ T4968] do_new_mount+0x228/0x810 [ 79.071902][ T4968] path_mount+0x5bc/0x1008 [ 79.072002][ T4973] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.072556][ T4968] __arm64_sys_mount+0x514/0x5f0 [ 79.075489][ T4973] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.075492][ T4968] invoke_syscall+0x98/0x2b0 [ 79.077150][ T4968] el0_svc_common+0x138/0x258 [ 79.077894][ T4968] do_el0_svc+0x58/0x13c [ 79.078553][ T4968] el0_svc+0x78/0x1d0 [ 79.079250][ T4968] el0t_64_sync_handler+0xcc/0xe4 [ 79.080107][ T4968] el0t_64_sync+0x1a0/0x1a4 [ 79.099940][ T4977] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.101199][ T4977] CPU: 1 PID: 4977 Comm: syz.4.19 Not tainted syzkaller #0 [ 79.102387][ T4977] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 79.103933][ T4977] Call trace: [ 79.104467][ T4977] dump_backtrace+0x0/0x458 [ 79.105168][ T4977] show_stack+0x2c/0x3c [ 79.105841][ T4977] __dump_stack+0x30/0x40 [ 79.106536][ T4977] dump_stack_lvl+0xf4/0x15c [ 79.107250][ T4977] dump_stack+0x1c/0x5c [ 79.107333][ T4968] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.108040][ T4977] sysfs_create_dir_ns+0x244/0x264 [ 79.110644][ T4977] kobject_add_internal+0x5ac/0xc3c [ 79.111459][ T4977] kobject_init_and_add+0x124/0x190 [ 79.112257][ T4977] gfs2_sys_fs_add+0x200/0x41c [ 79.112318][ T4968] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.112971][ T4977] gfs2_fill_super+0xddc/0x1a18 [ 79.114528][ T4977] get_tree_bdev+0x358/0x544 [ 79.115174][ T4977] gfs2_get_tree+0x54/0x1b4 [ 79.115781][ T4977] vfs_get_tree+0x90/0x274 [ 79.116395][ T4977] do_new_mount+0x228/0x810 [ 79.117001][ T4977] path_mount+0x5bc/0x1008 [ 79.117590][ T4977] __arm64_sys_mount+0x514/0x5f0 [ 79.118269][ T4977] invoke_syscall+0x98/0x2b0 [ 79.118901][ T4977] el0_svc_common+0x138/0x258 [ 79.119495][ T4977] do_el0_svc+0x58/0x13c [ 79.120077][ T4977] el0_svc+0x78/0x1d0 [ 79.120619][ T4977] el0t_64_sync_handler+0xcc/0xe4 [ 79.121346][ T4977] el0t_64_sync+0x1a0/0x1a4 [ 79.143613][ T4977] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.145645][ T4977] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.154172][ T377] device hsr_slave_0 left promiscuous mode [ 79.184583][ T377] device hsr_slave_1 left promiscuous mode [ 79.262052][ T377] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 79.263192][ T377] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 79.264514][ T377] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 79.265585][ T377] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 79.267018][ T377] device bridge_slave_1 left promiscuous mode [ 79.268007][ T377] bridge0: port 2(bridge_slave_1) entered disabled state [ 79.292620][ T4975] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.293821][ T4975] CPU: 1 PID: 4975 Comm: syz.0.15 Not tainted syzkaller #0 [ 79.294891][ T4975] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 79.296463][ T4975] Call trace: [ 79.296984][ T4975] dump_backtrace+0x0/0x458 [ 79.297742][ T4975] show_stack+0x2c/0x3c [ 79.298442][ T4975] __dump_stack+0x30/0x40 [ 79.299141][ T4975] dump_stack_lvl+0xf4/0x15c [ 79.299823][ T4975] dump_stack+0x1c/0x5c [ 79.300503][ T4975] sysfs_create_dir_ns+0x244/0x264 [ 79.301326][ T4975] kobject_add_internal+0x5ac/0xc3c [ 79.302203][ T4975] kobject_init_and_add+0x124/0x190 [ 79.303082][ T4975] gfs2_sys_fs_add+0x200/0x41c [ 79.303887][ T4975] gfs2_fill_super+0xddc/0x1a18 [ 79.304685][ T4975] get_tree_bdev+0x358/0x544 [ 79.305405][ T4975] gfs2_get_tree+0x54/0x1b4 [ 79.306118][ T4975] vfs_get_tree+0x90/0x274 [ 79.306839][ T4975] do_new_mount+0x228/0x810 [ 79.307602][ T4975] path_mount+0x5bc/0x1008 [ 79.308296][ T4975] __arm64_sys_mount+0x514/0x5f0 [ 79.309148][ T4975] invoke_syscall+0x98/0x2b0 [ 79.309921][ T4975] el0_svc_common+0x138/0x258 [ 79.310715][ T4975] do_el0_svc+0x58/0x13c [ 79.311419][ T4975] el0_svc+0x78/0x1d0 [ 79.312087][ T4975] el0t_64_sync_handler+0xcc/0xe4 [ 79.312898][ T4975] el0t_64_sync+0x1a0/0x1a4 [ 79.316424][ T377] device bridge_slave_0 left promiscuous mode [ 79.317381][ T377] bridge0: port 1(bridge_slave_0) entered disabled state [ 79.354899][ T4975] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.356920][ T4975] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.365114][ T4977] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.366259][ T4977] CPU: 0 PID: 4977 Comm: syz.4.19 Not tainted syzkaller #0 [ 79.367286][ T4977] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 79.368707][ T4977] Call trace: [ 79.369180][ T4977] dump_backtrace+0x0/0x458 [ 79.369860][ T4977] show_stack+0x2c/0x3c [ 79.370481][ T4977] __dump_stack+0x30/0x40 [ 79.371117][ T4977] dump_stack_lvl+0xf4/0x15c [ 79.371802][ T4977] dump_stack+0x1c/0x5c [ 79.372430][ T4977] sysfs_create_dir_ns+0x244/0x264 [ 79.373240][ T4977] kobject_add_internal+0x5ac/0xc3c [ 79.374070][ T4977] kobject_init_and_add+0x124/0x190 [ 79.374882][ T4977] gfs2_sys_fs_add+0x200/0x41c [ 79.375618][ T4977] gfs2_fill_super+0xddc/0x1a18 [ 79.376352][ T4977] get_tree_bdev+0x358/0x544 [ 79.377051][ T4977] gfs2_get_tree+0x54/0x1b4 [ 79.377735][ T4977] vfs_get_tree+0x90/0x274 [ 79.378381][ T4977] do_new_mount+0x228/0x810 [ 79.379041][ T4977] path_mount+0x5bc/0x1008 [ 79.379677][ T4977] __arm64_sys_mount+0x514/0x5f0 [ 79.380384][ T4977] invoke_syscall+0x98/0x2b0 [ 79.381072][ T4977] el0_svc_common+0x138/0x258 [ 79.381788][ T4977] do_el0_svc+0x58/0x13c [ 79.382484][ T4977] el0_svc+0x78/0x1d0 [ 79.383090][ T4977] el0t_64_sync_handler+0xcc/0xe4 [ 79.383892][ T4977] el0t_64_sync+0x1a0/0x1a4 [ 79.412511][ T4977] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.414854][ T4977] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.439477][ T4979] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.440731][ T4979] CPU: 0 PID: 4979 Comm: syz.2.28 Not tainted syzkaller #0 [ 79.441718][ T4979] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 79.443252][ T4979] Call trace: [ 79.443790][ T4979] dump_backtrace+0x0/0x458 [ 79.444525][ T4979] show_stack+0x2c/0x3c [ 79.445214][ T4979] __dump_stack+0x30/0x40 [ 79.445981][ T4979] dump_stack_lvl+0xf4/0x15c [ 79.446783][ T4979] dump_stack+0x1c/0x5c [ 79.447460][ T4979] sysfs_create_dir_ns+0x244/0x264 [ 79.448333][ T4979] kobject_add_internal+0x5ac/0xc3c [ 79.449123][ T4979] kobject_init_and_add+0x124/0x190 [ 79.450022][ T4979] gfs2_sys_fs_add+0x200/0x41c [ 79.450847][ T4979] gfs2_fill_super+0xddc/0x1a18 [ 79.451660][ T4979] get_tree_bdev+0x358/0x544 [ 79.452375][ T4979] gfs2_get_tree+0x54/0x1b4 [ 79.453100][ T4979] vfs_get_tree+0x90/0x274 [ 79.453847][ T4979] do_new_mount+0x228/0x810 [ 79.454629][ T4979] path_mount+0x5bc/0x1008 [ 79.455333][ T4979] __arm64_sys_mount+0x514/0x5f0 [ 79.456169][ T4979] invoke_syscall+0x98/0x2b0 [ 79.456946][ T4979] el0_svc_common+0x138/0x258 [ 79.457701][ T4979] do_el0_svc+0x58/0x13c [ 79.458329][ T4979] el0_svc+0x78/0x1d0 [ 79.458905][ T4979] el0t_64_sync_handler+0xcc/0xe4 [ 79.459746][ T4979] el0t_64_sync+0x1a0/0x1a4 [ 79.472026][ T377] device veth1_macvtap left promiscuous mode [ 79.473088][ T377] device veth0_macvtap left promiscuous mode [ 79.474069][ T377] device veth1_vlan left promiscuous mode [ 79.475003][ T377] device veth0_vlan left promiscuous mode [ 79.540016][ T4979] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.544051][ T4981] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.545284][ T4981] CPU: 1 PID: 4981 Comm: syz.1.29 Not tainted syzkaller #0 [ 79.545679][ T4979] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.546393][ T4981] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 79.548784][ T4981] Call trace: [ 79.549271][ T4981] dump_backtrace+0x0/0x458 [ 79.549904][ T4981] show_stack+0x2c/0x3c [ 79.550473][ T4981] __dump_stack+0x30/0x40 [ 79.551127][ T4981] dump_stack_lvl+0xf4/0x15c [ 79.551770][ T4981] dump_stack+0x1c/0x5c [ 79.552392][ T4981] sysfs_create_dir_ns+0x244/0x264 [ 79.553150][ T4981] kobject_add_internal+0x5ac/0xc3c [ 79.554023][ T4981] kobject_init_and_add+0x124/0x190 [ 79.554793][ T4981] gfs2_sys_fs_add+0x200/0x41c [ 79.555521][ T4981] gfs2_fill_super+0xddc/0x1a18 [ 79.556256][ T4981] get_tree_bdev+0x358/0x544 [ 79.557007][ T4981] gfs2_get_tree+0x54/0x1b4 [ 79.557711][ T4981] vfs_get_tree+0x90/0x274 [ 79.558392][ T4981] do_new_mount+0x228/0x810 [ 79.559207][ T4981] path_mount+0x5bc/0x1008 [ 79.559984][ T4981] __arm64_sys_mount+0x514/0x5f0 [ 79.560760][ T4981] invoke_syscall+0x98/0x2b0 [ 79.561430][ T4981] el0_svc_common+0x138/0x258 [ 79.562168][ T4981] do_el0_svc+0x58/0x13c [ 79.562803][ T4981] el0_svc+0x78/0x1d0 [ 79.563430][ T4981] el0t_64_sync_handler+0xcc/0xe4 [ 79.564259][ T4981] el0t_64_sync+0x1a0/0x1a4 [ 79.613283][ T4981] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.644282][ T4981] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.760692][ T4983] set_capacity_and_notify: 16 callbacks suppressed [ 79.760702][ T4983] loop4: detected capacity change from 0 to 32768 [ 79.814203][ T4983] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.815412][ T4983] CPU: 0 PID: 4983 Comm: syz.4.30 Not tainted syzkaller #0 [ 79.816591][ T4983] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 79.818133][ T4983] Call trace: [ 79.818625][ T4983] dump_backtrace+0x0/0x458 [ 79.819358][ T4983] show_stack+0x2c/0x3c [ 79.820045][ T4983] __dump_stack+0x30/0x40 [ 79.820727][ T4983] dump_stack_lvl+0xf4/0x15c [ 79.821486][ T4983] dump_stack+0x1c/0x5c [ 79.822120][ T4983] sysfs_create_dir_ns+0x244/0x264 [ 79.822899][ T4983] kobject_add_internal+0x5ac/0xc3c [ 79.823733][ T4983] kobject_init_and_add+0x124/0x190 [ 79.824526][ T4983] gfs2_sys_fs_add+0x200/0x41c [ 79.825255][ T4983] gfs2_fill_super+0xddc/0x1a18 [ 79.826019][ T4983] get_tree_bdev+0x358/0x544 [ 79.826722][ T4983] gfs2_get_tree+0x54/0x1b4 [ 79.827417][ T4983] vfs_get_tree+0x90/0x274 [ 79.828091][ T4983] do_new_mount+0x228/0x810 [ 79.828757][ T4983] path_mount+0x5bc/0x1008 [ 79.829482][ T4983] __arm64_sys_mount+0x514/0x5f0 [ 79.830263][ T4983] invoke_syscall+0x98/0x2b0 [ 79.830996][ T4983] el0_svc_common+0x138/0x258 [ 79.831751][ T4983] do_el0_svc+0x58/0x13c [ 79.832457][ T4983] el0_svc+0x78/0x1d0 [ 79.833096][ T4983] el0t_64_sync_handler+0xcc/0xe4 [ 79.833932][ T4983] el0t_64_sync+0x1a0/0x1a4 [ 79.846934][ T4979] loop2: detected capacity change from 0 to 32768 [ 79.848709][ T377] team0 (unregistering): Port device team_slave_1 removed [ 79.853865][ T4979] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.855321][ T4979] CPU: 0 PID: 4979 Comm: syz.2.28 Not tainted syzkaller #0 [ 79.856532][ T4979] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 79.858123][ T4979] Call trace: [ 79.858623][ T4979] dump_backtrace+0x0/0x458 [ 79.859332][ T4979] show_stack+0x2c/0x3c [ 79.860055][ T4979] __dump_stack+0x30/0x40 [ 79.860692][ T4979] dump_stack_lvl+0xf4/0x15c [ 79.861414][ T4979] dump_stack+0x1c/0x5c [ 79.862096][ T4979] sysfs_create_dir_ns+0x244/0x264 [ 79.862893][ T4979] kobject_add_internal+0x5ac/0xc3c [ 79.863704][ T4979] kobject_init_and_add+0x124/0x190 [ 79.864547][ T4979] gfs2_sys_fs_add+0x200/0x41c [ 79.865318][ T4979] gfs2_fill_super+0xddc/0x1a18 [ 79.866113][ T4979] get_tree_bdev+0x358/0x544 [ 79.866901][ T4979] gfs2_get_tree+0x54/0x1b4 [ 79.867646][ T4979] vfs_get_tree+0x90/0x274 [ 79.868305][ T4979] do_new_mount+0x228/0x810 [ 79.868972][ T4979] path_mount+0x5bc/0x1008 [ 79.869636][ T4979] __arm64_sys_mount+0x514/0x5f0 [ 79.870378][ T4979] invoke_syscall+0x98/0x2b0 [ 79.871070][ T4979] el0_svc_common+0x138/0x258 [ 79.871807][ T4979] do_el0_svc+0x58/0x13c [ 79.872437][ T4979] el0_svc+0x78/0x1d0 [ 79.873055][ T4979] el0t_64_sync_handler+0xcc/0xe4 [ 79.873818][ T4979] el0t_64_sync+0x1a0/0x1a4 [ 79.875080][ T377] team0 (unregistering): Port device team_slave_0 removed [ 79.884689][ T377] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 79.887510][ T4983] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.891569][ T4983] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.908229][ T4985] loop0: detected capacity change from 0 to 32768 [ 79.911671][ T4981] loop1: detected capacity change from 0 to 32768 [ 79.914512][ T4979] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.916232][ T4979] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.925905][ T377] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 79.933031][ T4143] Bluetooth: hci1: command 0x0419 tx timeout [ 79.933951][ T4143] Bluetooth: hci2: command 0x0419 tx timeout [ 79.958777][ T4981] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.959996][ T4981] CPU: 1 PID: 4981 Comm: syz.1.29 Not tainted syzkaller #0 [ 79.961163][ T4981] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 79.962826][ T4981] Call trace: [ 79.963358][ T4981] dump_backtrace+0x0/0x458 [ 79.964068][ T4981] show_stack+0x2c/0x3c [ 79.964760][ T4981] __dump_stack+0x30/0x40 [ 79.965449][ T4981] dump_stack_lvl+0xf4/0x15c [ 79.966288][ T4981] dump_stack+0x1c/0x5c [ 79.967000][ T4981] sysfs_create_dir_ns+0x244/0x264 [ 79.967817][ T4981] kobject_add_internal+0x5ac/0xc3c [ 79.968654][ T4981] kobject_init_and_add+0x124/0x190 [ 79.969546][ T4981] gfs2_sys_fs_add+0x200/0x41c [ 79.970280][ T4981] gfs2_fill_super+0xddc/0x1a18 [ 79.971119][ T4981] get_tree_bdev+0x358/0x544 [ 79.971921][ T4981] gfs2_get_tree+0x54/0x1b4 [ 79.972704][ T4981] vfs_get_tree+0x90/0x274 [ 79.973424][ T4981] do_new_mount+0x228/0x810 [ 79.974176][ T4981] path_mount+0x5bc/0x1008 [ 79.974897][ T4981] __arm64_sys_mount+0x514/0x5f0 [ 79.975701][ T4981] invoke_syscall+0x98/0x2b0 [ 79.976425][ T4981] el0_svc_common+0x138/0x258 [ 79.977160][ T4981] do_el0_svc+0x58/0x13c [ 79.977860][ T4981] el0_svc+0x78/0x1d0 [ 79.978479][ T4981] el0t_64_sync_handler+0xcc/0xe4 [ 79.979315][ T4981] el0t_64_sync+0x1a0/0x1a4 [ 79.991021][ T4985] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.992278][ T4985] CPU: 1 PID: 4985 Comm: syz.0.31 Not tainted syzkaller #0 [ 79.993406][ T4985] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 79.995078][ T4985] Call trace: [ 79.995594][ T4985] dump_backtrace+0x0/0x458 [ 79.996255][ T4985] show_stack+0x2c/0x3c [ 79.996914][ T4985] __dump_stack+0x30/0x40 [ 79.997630][ T4985] dump_stack_lvl+0xf4/0x15c [ 79.998409][ T4985] dump_stack+0x1c/0x5c [ 79.999132][ T4985] sysfs_create_dir_ns+0x244/0x264 [ 79.999968][ T4985] kobject_add_internal+0x5ac/0xc3c [ 80.000797][ T4985] kobject_init_and_add+0x124/0x190 [ 80.001674][ T4985] gfs2_sys_fs_add+0x200/0x41c [ 80.002460][ T4985] gfs2_fill_super+0xddc/0x1a18 [ 80.003235][ T4985] get_tree_bdev+0x358/0x544 [ 80.003974][ T4985] gfs2_get_tree+0x54/0x1b4 [ 80.004741][ T4985] vfs_get_tree+0x90/0x274 [ 80.005448][ T4985] do_new_mount+0x228/0x810 [ 80.006136][ T4985] path_mount+0x5bc/0x1008 [ 80.006831][ T4985] __arm64_sys_mount+0x514/0x5f0 [ 80.007603][ T4985] invoke_syscall+0x98/0x2b0 [ 80.008324][ T4985] el0_svc_common+0x138/0x258 [ 80.009049][ T4985] do_el0_svc+0x58/0x13c [ 80.009703][ T4985] el0_svc+0x78/0x1d0 [ 80.010314][ T4985] el0t_64_sync_handler+0xcc/0xe4 [ 80.011166][ T4985] el0t_64_sync+0x1a0/0x1a4 [ 80.013426][ T4147] Bluetooth: hci3: command 0x0419 tx timeout [ 80.032126][ T4981] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.034095][ T4981] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.054278][ T4985] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.056326][ T4985] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.076643][ T377] bond0 (unregistering): Released all slaves [ 80.092380][ T4143] Bluetooth: hci4: command 0x0419 tx timeout [ 80.093340][ T4143] Bluetooth: hci5: command 0x0419 tx timeout [ 80.172507][ T4983] loop4: detected capacity change from 0 to 32768 [ 80.222527][ T4983] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.223753][ T4983] CPU: 1 PID: 4983 Comm: syz.4.30 Not tainted syzkaller #0 [ 80.224859][ T4983] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 80.226378][ T4983] Call trace: [ 80.226879][ T4983] dump_backtrace+0x0/0x458 [ 80.227579][ T4983] show_stack+0x2c/0x3c [ 80.228182][ T4983] __dump_stack+0x30/0x40 [ 80.228495][ T4987] loop2: detected capacity change from 0 to 32768 [ 80.228831][ T4983] dump_stack_lvl+0xf4/0x15c [ 80.230555][ T4983] dump_stack+0x1c/0x5c [ 80.231185][ T4983] sysfs_create_dir_ns+0x244/0x264 [ 80.231942][ T4983] kobject_add_internal+0x5ac/0xc3c [ 80.232703][ T4983] kobject_init_and_add+0x124/0x190 [ 80.233425][ T4983] gfs2_sys_fs_add+0x200/0x41c [ 80.234088][ T4983] gfs2_fill_super+0xddc/0x1a18 [ 80.234776][ T4983] get_tree_bdev+0x358/0x544 [ 80.235415][ T4983] gfs2_get_tree+0x54/0x1b4 [ 80.236056][ T4983] vfs_get_tree+0x90/0x274 [ 80.236781][ T4983] do_new_mount+0x228/0x810 [ 80.237451][ T4983] path_mount+0x5bc/0x1008 [ 80.238172][ T4983] __arm64_sys_mount+0x514/0x5f0 [ 80.238959][ T4983] invoke_syscall+0x98/0x2b0 [ 80.239693][ T4983] el0_svc_common+0x138/0x258 [ 80.240436][ T4983] do_el0_svc+0x58/0x13c [ 80.241136][ T4983] el0_svc+0x78/0x1d0 [ 80.241772][ T4983] el0t_64_sync_handler+0xcc/0xe4 [ 80.242599][ T4983] el0t_64_sync+0x1a0/0x1a4 [ 80.264965][ T4987] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.266256][ T4987] CPU: 0 PID: 4987 Comm: syz.2.32 Not tainted syzkaller #0 [ 80.267319][ T4987] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 80.268860][ T4987] Call trace: [ 80.269347][ T4987] dump_backtrace+0x0/0x458 [ 80.270094][ T4987] show_stack+0x2c/0x3c [ 80.270766][ T4987] __dump_stack+0x30/0x40 [ 80.271488][ T4987] dump_stack_lvl+0xf4/0x15c [ 80.272242][ T4987] dump_stack+0x1c/0x5c [ 80.272898][ T4987] sysfs_create_dir_ns+0x244/0x264 [ 80.273754][ T4987] kobject_add_internal+0x5ac/0xc3c [ 80.274566][ T4987] kobject_init_and_add+0x124/0x190 [ 80.275402][ T4987] gfs2_sys_fs_add+0x200/0x41c [ 80.276167][ T4987] gfs2_fill_super+0xddc/0x1a18 [ 80.276925][ T4987] get_tree_bdev+0x358/0x544 [ 80.277684][ T4987] gfs2_get_tree+0x54/0x1b4 [ 80.278459][ T4987] vfs_get_tree+0x90/0x274 [ 80.279225][ T4987] do_new_mount+0x228/0x810 [ 80.279934][ T4987] path_mount+0x5bc/0x1008 [ 80.280702][ T4987] __arm64_sys_mount+0x514/0x5f0 [ 80.281492][ T4987] invoke_syscall+0x98/0x2b0 [ 80.281969][ T4983] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.282220][ T4987] el0_svc_common+0x138/0x258 [ 80.284062][ T4983] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.284783][ T4987] do_el0_svc+0x58/0x13c [ 80.286349][ T4987] el0_svc+0x78/0x1d0 [ 80.286407][ T4985] loop0: detected capacity change from 0 to 32768 [ 80.286963][ T4987] el0t_64_sync_handler+0xcc/0xe4 [ 80.288661][ T4987] el0t_64_sync+0x1a0/0x1a4 [ 80.332034][ T4987] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.335733][ T4985] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.336873][ T4985] CPU: 1 PID: 4985 Comm: syz.0.31 Not tainted syzkaller #0 [ 80.337941][ T4985] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 80.339441][ T4985] Call trace: [ 80.339927][ T4985] dump_backtrace+0x0/0x458 [ 80.340570][ T4985] show_stack+0x2c/0x3c [ 80.341184][ T4985] __dump_stack+0x30/0x40 [ 80.341826][ T4985] dump_stack_lvl+0xf4/0x15c [ 80.342544][ T4985] dump_stack+0x1c/0x5c [ 80.343182][ T4985] sysfs_create_dir_ns+0x244/0x264 [ 80.343981][ T4985] kobject_add_internal+0x5ac/0xc3c [ 80.344883][ T4985] kobject_init_and_add+0x124/0x190 [ 80.345778][ T4985] gfs2_sys_fs_add+0x200/0x41c [ 80.346551][ T4985] gfs2_fill_super+0xddc/0x1a18 [ 80.347362][ T4985] get_tree_bdev+0x358/0x544 [ 80.348120][ T4985] gfs2_get_tree+0x54/0x1b4 [ 80.348857][ T4985] vfs_get_tree+0x90/0x274 [ 80.349573][ T4985] do_new_mount+0x228/0x810 [ 80.350298][ T4985] path_mount+0x5bc/0x1008 [ 80.351021][ T4985] __arm64_sys_mount+0x514/0x5f0 [ 80.351783][ T4985] invoke_syscall+0x98/0x2b0 [ 80.352521][ T4985] el0_svc_common+0x138/0x258 [ 80.353265][ T4985] do_el0_svc+0x58/0x13c [ 80.353930][ T4985] el0_svc+0x78/0x1d0 [ 80.354517][ T4985] el0t_64_sync_handler+0xcc/0xe4 [ 80.355329][ T4985] el0t_64_sync+0x1a0/0x1a4 [ 80.357699][ T4987] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.370052][ T4989] loop1: detected capacity change from 0 to 32768 [ 80.398605][ T4985] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.400580][ T4985] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.413383][ T4989] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.414499][ T4989] CPU: 1 PID: 4989 Comm: syz.1.33 Not tainted syzkaller #0 [ 80.415497][ T4989] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 80.416922][ T4989] Call trace: [ 80.417463][ T4989] dump_backtrace+0x0/0x458 [ 80.418215][ T4989] show_stack+0x2c/0x3c [ 80.418880][ T4989] __dump_stack+0x30/0x40 [ 80.419582][ T4989] dump_stack_lvl+0xf4/0x15c [ 80.420309][ T4989] dump_stack+0x1c/0x5c [ 80.420956][ T4989] sysfs_create_dir_ns+0x244/0x264 [ 80.421756][ T4989] kobject_add_internal+0x5ac/0xc3c [ 80.422586][ T4989] kobject_init_and_add+0x124/0x190 [ 80.423424][ T4989] gfs2_sys_fs_add+0x200/0x41c [ 80.424219][ T4989] gfs2_fill_super+0xddc/0x1a18 [ 80.424978][ T4989] get_tree_bdev+0x358/0x544 [ 80.425699][ T4989] gfs2_get_tree+0x54/0x1b4 [ 80.426402][ T4989] vfs_get_tree+0x90/0x274 [ 80.427113][ T4989] do_new_mount+0x228/0x810 [ 80.427836][ T4989] path_mount+0x5bc/0x1008 [ 80.428534][ T4989] __arm64_sys_mount+0x514/0x5f0 [ 80.429310][ T4989] invoke_syscall+0x98/0x2b0 [ 80.430033][ T4989] el0_svc_common+0x138/0x258 [ 80.430767][ T4989] do_el0_svc+0x58/0x13c [ 80.431448][ T4989] el0_svc+0x78/0x1d0 [ 80.432121][ T4989] el0t_64_sync_handler+0xcc/0xe4 [ 80.432983][ T4989] el0t_64_sync+0x1a0/0x1a4 [ 80.476878][ T4989] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.481957][ T4989] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.605127][ T4991] loop4: detected capacity change from 0 to 32768 [ 80.644514][ T4991] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.645673][ T4991] CPU: 1 PID: 4991 Comm: syz.4.34 Not tainted syzkaller #0 [ 80.646677][ T4991] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 80.648280][ T4991] Call trace: [ 80.648800][ T4991] dump_backtrace+0x0/0x458 [ 80.649534][ T4991] show_stack+0x2c/0x3c [ 80.650183][ T4991] __dump_stack+0x30/0x40 [ 80.650899][ T4991] dump_stack_lvl+0xf4/0x15c [ 80.651670][ T4991] dump_stack+0x1c/0x5c [ 80.652338][ T4991] sysfs_create_dir_ns+0x244/0x264 [ 80.653143][ T4991] kobject_add_internal+0x5ac/0xc3c [ 80.653930][ T4991] kobject_init_and_add+0x124/0x190 [ 80.654830][ T4991] gfs2_sys_fs_add+0x200/0x41c [ 80.655604][ T4991] gfs2_fill_super+0xddc/0x1a18 [ 80.656397][ T4991] get_tree_bdev+0x358/0x544 [ 80.657123][ T4991] gfs2_get_tree+0x54/0x1b4 [ 80.657872][ T4991] vfs_get_tree+0x90/0x274 [ 80.658587][ T4991] do_new_mount+0x228/0x810 [ 80.659302][ T4991] path_mount+0x5bc/0x1008 [ 80.660010][ T4991] __arm64_sys_mount+0x514/0x5f0 [ 80.660799][ T4991] invoke_syscall+0x98/0x2b0 [ 80.661515][ T4991] el0_svc_common+0x138/0x258 [ 80.662240][ T4991] do_el0_svc+0x58/0x13c [ 80.662905][ T4991] el0_svc+0x78/0x1d0 [ 80.663530][ T4991] el0t_64_sync_handler+0xcc/0xe4 [ 80.664329][ T4991] el0t_64_sync+0x1a0/0x1a4 [ 80.724375][ T4991] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.726452][ T4991] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.751763][ T4995] loop2: detected capacity change from 0 to 32768 [ 80.802847][ T4989] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.803989][ T4989] CPU: 1 PID: 4989 Comm: syz.1.33 Not tainted syzkaller #0 [ 80.804997][ T4989] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 80.806404][ T4989] Call trace: [ 80.806860][ T4989] dump_backtrace+0x0/0x458 [ 80.807504][ T4989] show_stack+0x2c/0x3c [ 80.808081][ T4989] __dump_stack+0x30/0x40 [ 80.808800][ T4989] dump_stack_lvl+0xf4/0x15c [ 80.809565][ T4989] dump_stack+0x1c/0x5c [ 80.810189][ T4989] sysfs_create_dir_ns+0x244/0x264 [ 80.810942][ T4989] kobject_add_internal+0x5ac/0xc3c [ 80.811421][ T4995] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.811669][ T4989] kobject_init_and_add+0x124/0x190 [ 80.813616][ T4989] gfs2_sys_fs_add+0x200/0x41c [ 80.814332][ T4989] gfs2_fill_super+0xddc/0x1a18 [ 80.815046][ T4989] get_tree_bdev+0x358/0x544 [ 80.815737][ T4989] gfs2_get_tree+0x54/0x1b4 [ 80.816398][ T4989] vfs_get_tree+0x90/0x274 [ 80.817055][ T4989] do_new_mount+0x228/0x810 [ 80.817738][ T4989] path_mount+0x5bc/0x1008 [ 80.818359][ T4989] __arm64_sys_mount+0x514/0x5f0 [ 80.819091][ T4989] invoke_syscall+0x98/0x2b0 [ 80.819778][ T4989] el0_svc_common+0x138/0x258 [ 80.820451][ T4989] do_el0_svc+0x58/0x13c [ 80.821078][ T4989] el0_svc+0x78/0x1d0 [ 80.821662][ T4989] el0t_64_sync_handler+0xcc/0xe4 [ 80.822397][ T4989] el0t_64_sync+0x1a0/0x1a4 [ 80.825566][ T4995] CPU: 0 PID: 4995 Comm: syz.2.35 Not tainted syzkaller #0 [ 80.826660][ T4995] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 80.828151][ T4995] Call trace: [ 80.828637][ T4995] dump_backtrace+0x0/0x458 [ 80.829378][ T4995] show_stack+0x2c/0x3c [ 80.830090][ T4995] __dump_stack+0x30/0x40 [ 80.830799][ T4995] dump_stack_lvl+0xf4/0x15c [ 80.831533][ T4995] dump_stack+0x1c/0x5c [ 80.832257][ T4995] sysfs_create_dir_ns+0x244/0x264 [ 80.833057][ T4995] kobject_add_internal+0x5ac/0xc3c [ 80.833890][ T4995] kobject_init_and_add+0x124/0x190 [ 80.834679][ T4995] gfs2_sys_fs_add+0x200/0x41c [ 80.835500][ T4995] gfs2_fill_super+0xddc/0x1a18 [ 80.836292][ T4995] get_tree_bdev+0x358/0x544 [ 80.837028][ T4995] gfs2_get_tree+0x54/0x1b4 [ 80.837756][ T4995] vfs_get_tree+0x90/0x274 [ 80.838447][ T4995] do_new_mount+0x228/0x810 [ 80.839225][ T4995] path_mount+0x5bc/0x1008 [ 80.839940][ T4995] __arm64_sys_mount+0x514/0x5f0 [ 80.840741][ T4995] invoke_syscall+0x98/0x2b0 [ 80.841473][ T4995] el0_svc_common+0x138/0x258 [ 80.842190][ T4995] do_el0_svc+0x58/0x13c [ 80.842898][ T4995] el0_svc+0x78/0x1d0 [ 80.843510][ T4995] el0t_64_sync_handler+0xcc/0xe4 [ 80.844316][ T4995] el0t_64_sync+0x1a0/0x1a4 [ 80.862753][ T4989] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.864847][ T4989] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.876009][ T4995] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.878091][ T4995] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.903966][ T4997] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.905140][ T4997] CPU: 1 PID: 4997 Comm: syz.0.36 Not tainted syzkaller #0 [ 80.906272][ T4997] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 80.907853][ T4997] Call trace: [ 80.908346][ T4997] dump_backtrace+0x0/0x458 [ 80.909051][ T4997] show_stack+0x2c/0x3c [ 80.909727][ T4997] __dump_stack+0x30/0x40 [ 80.910362][ T4997] dump_stack_lvl+0xf4/0x15c [ 80.911087][ T4997] dump_stack+0x1c/0x5c [ 80.911808][ T4997] sysfs_create_dir_ns+0x244/0x264 [ 80.912688][ T4997] kobject_add_internal+0x5ac/0xc3c [ 80.913526][ T4997] kobject_init_and_add+0x124/0x190 [ 80.914341][ T4997] gfs2_sys_fs_add+0x200/0x41c [ 80.915160][ T4997] gfs2_fill_super+0xddc/0x1a18 [ 80.915958][ T4997] get_tree_bdev+0x358/0x544 [ 80.916716][ T4997] gfs2_get_tree+0x54/0x1b4 [ 80.917465][ T4997] vfs_get_tree+0x90/0x274 [ 80.918180][ T4997] do_new_mount+0x228/0x810 [ 80.918883][ T4997] path_mount+0x5bc/0x1008 [ 80.919570][ T4997] __arm64_sys_mount+0x514/0x5f0 [ 80.920333][ T4997] invoke_syscall+0x98/0x2b0 [ 80.921043][ T4997] el0_svc_common+0x138/0x258 [ 80.921775][ T4997] do_el0_svc+0x58/0x13c [ 80.922430][ T4997] el0_svc+0x78/0x1d0 [ 80.923051][ T4997] el0t_64_sync_handler+0xcc/0xe4 [ 80.923833][ T4997] el0t_64_sync+0x1a0/0x1a4 [ 80.966384][ T4997] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.968470][ T4997] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.996015][ T4991] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.997179][ T4991] CPU: 0 PID: 4991 Comm: syz.4.34 Not tainted syzkaller #0 [ 80.998220][ T4991] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 80.999778][ T4991] Call trace: [ 81.000320][ T4991] dump_backtrace+0x0/0x458 [ 81.001068][ T4991] show_stack+0x2c/0x3c [ 81.001748][ T4991] __dump_stack+0x30/0x40 [ 81.002414][ T4991] dump_stack_lvl+0xf4/0x15c [ 81.003102][ T4991] dump_stack+0x1c/0x5c [ 81.003774][ T4991] sysfs_create_dir_ns+0x244/0x264 [ 81.004585][ T4991] kobject_add_internal+0x5ac/0xc3c [ 81.005384][ T4991] kobject_init_and_add+0x124/0x190 [ 81.006194][ T4991] gfs2_sys_fs_add+0x200/0x41c [ 81.006968][ T4991] gfs2_fill_super+0xddc/0x1a18 [ 81.007707][ T4991] get_tree_bdev+0x358/0x544 [ 81.008379][ T4991] gfs2_get_tree+0x54/0x1b4 [ 81.009072][ T4991] vfs_get_tree+0x90/0x274 [ 81.009745][ T4991] do_new_mount+0x228/0x810 [ 81.010437][ T4991] path_mount+0x5bc/0x1008 [ 81.011102][ T4991] __arm64_sys_mount+0x514/0x5f0 [ 81.011857][ T4991] invoke_syscall+0x98/0x2b0 [ 81.012568][ T4991] el0_svc_common+0x138/0x258 [ 81.013212][ T4991] do_el0_svc+0x58/0x13c [ 81.013887][ T4991] el0_svc+0x78/0x1d0 [ 81.014499][ T4991] el0t_64_sync_handler+0xcc/0xe4 [ 81.015236][ T4991] el0t_64_sync+0x1a0/0x1a4 [ 81.046943][ T4991] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.048972][ T4991] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.165729][ T4995] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.166907][ T4995] CPU: 0 PID: 4995 Comm: syz.2.35 Not tainted syzkaller #0 [ 81.168034][ T4995] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 81.169613][ T4995] Call trace: [ 81.170108][ T4995] dump_backtrace+0x0/0x458 [ 81.170829][ T4995] show_stack+0x2c/0x3c [ 81.171476][ T4995] __dump_stack+0x30/0x40 [ 81.172139][ T4995] dump_stack_lvl+0xf4/0x15c [ 81.172857][ T4995] dump_stack+0x1c/0x5c [ 81.173479][ T4995] sysfs_create_dir_ns+0x244/0x264 [ 81.174236][ T4995] kobject_add_internal+0x5ac/0xc3c [ 81.175007][ T4995] kobject_init_and_add+0x124/0x190 [ 81.175817][ T4995] gfs2_sys_fs_add+0x200/0x41c [ 81.176554][ T4995] gfs2_fill_super+0xddc/0x1a18 [ 81.177316][ T4995] get_tree_bdev+0x358/0x544 [ 81.178027][ T4995] gfs2_get_tree+0x54/0x1b4 [ 81.178720][ T4995] vfs_get_tree+0x90/0x274 [ 81.179389][ T4995] do_new_mount+0x228/0x810 [ 81.180080][ T4995] path_mount+0x5bc/0x1008 [ 81.180755][ T4995] __arm64_sys_mount+0x514/0x5f0 [ 81.181500][ T4995] invoke_syscall+0x98/0x2b0 [ 81.182194][ T4995] el0_svc_common+0x138/0x258 [ 81.182902][ T4995] do_el0_svc+0x58/0x13c [ 81.183535][ T4995] el0_svc+0x78/0x1d0 [ 81.184124][ T4995] el0t_64_sync_handler+0xcc/0xe4 [ 81.184880][ T4995] el0t_64_sync+0x1a0/0x1a4 [ 81.201015][ T4995] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.204245][ T4995] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.204420][ T4999] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.206492][ T4999] CPU: 0 PID: 4999 Comm: syz.1.37 Not tainted syzkaller #0 [ 81.207647][ T4999] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 81.209269][ T4999] Call trace: [ 81.209783][ T4999] dump_backtrace+0x0/0x458 [ 81.210553][ T4999] show_stack+0x2c/0x3c [ 81.211260][ T4999] __dump_stack+0x30/0x40 [ 81.212041][ T4999] dump_stack_lvl+0xf4/0x15c [ 81.212800][ T4999] dump_stack+0x1c/0x5c [ 81.213476][ T4999] sysfs_create_dir_ns+0x244/0x264 [ 81.214345][ T4999] kobject_add_internal+0x5ac/0xc3c [ 81.215147][ T4999] kobject_init_and_add+0x124/0x190 [ 81.215984][ T4999] gfs2_sys_fs_add+0x200/0x41c [ 81.216735][ T4999] gfs2_fill_super+0xddc/0x1a18 [ 81.217541][ T4999] get_tree_bdev+0x358/0x544 [ 81.218283][ T4999] gfs2_get_tree+0x54/0x1b4 [ 81.219057][ T4999] vfs_get_tree+0x90/0x274 [ 81.219827][ T4999] do_new_mount+0x228/0x810 [ 81.220545][ T4999] path_mount+0x5bc/0x1008 [ 81.221254][ T4999] __arm64_sys_mount+0x514/0x5f0 [ 81.222045][ T4999] invoke_syscall+0x98/0x2b0 [ 81.222777][ T4999] el0_svc_common+0x138/0x258 [ 81.223522][ T4999] do_el0_svc+0x58/0x13c [ 81.224198][ T4999] el0_svc+0x78/0x1d0 [ 81.224881][ T4999] el0t_64_sync_handler+0xcc/0xe4 [ 81.225735][ T4999] el0t_64_sync+0x1a0/0x1a4 [ 81.244071][ T4997] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.245297][ T4997] CPU: 1 PID: 4997 Comm: syz.0.36 Not tainted syzkaller #0 [ 81.246469][ T4997] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 81.248140][ T4997] Call trace: [ 81.248665][ T4997] dump_backtrace+0x0/0x458 [ 81.249382][ T4997] show_stack+0x2c/0x3c [ 81.250037][ T4997] __dump_stack+0x30/0x40 [ 81.250696][ T4997] dump_stack_lvl+0xf4/0x15c [ 81.251437][ T4997] dump_stack+0x1c/0x5c [ 81.252109][ T4997] sysfs_create_dir_ns+0x244/0x264 [ 81.252237][ T4999] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.252938][ T4997] kobject_add_internal+0x5ac/0xc3c [ 81.255153][ T4999] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.255877][ T4997] kobject_init_and_add+0x124/0x190 [ 81.257723][ T4997] gfs2_sys_fs_add+0x200/0x41c [ 81.258486][ T4997] gfs2_fill_super+0xddc/0x1a18 [ 81.259241][ T4997] get_tree_bdev+0x358/0x544 [ 81.259919][ T4997] gfs2_get_tree+0x54/0x1b4 [ 81.260579][ T4997] vfs_get_tree+0x90/0x274 [ 81.261223][ T4997] do_new_mount+0x228/0x810 [ 81.261853][ T4997] path_mount+0x5bc/0x1008 [ 81.262618][ T4997] __arm64_sys_mount+0x514/0x5f0 [ 81.263386][ T4997] invoke_syscall+0x98/0x2b0 [ 81.264103][ T4997] el0_svc_common+0x138/0x258 [ 81.264915][ T4997] do_el0_svc+0x58/0x13c [ 81.265650][ T4997] el0_svc+0x78/0x1d0 [ 81.266302][ T4997] el0t_64_sync_handler+0xcc/0xe4 [ 81.267096][ T4997] el0t_64_sync+0x1a0/0x1a4 [ 81.279423][ T4997] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.281567][ T4997] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.313146][ T5001] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.314352][ T5001] CPU: 0 PID: 5001 Comm: syz.4.38 Not tainted syzkaller #0 [ 81.315387][ T5001] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 81.317017][ T5001] Call trace: [ 81.317528][ T5001] dump_backtrace+0x0/0x458 [ 81.318254][ T5001] show_stack+0x2c/0x3c [ 81.318942][ T5001] __dump_stack+0x30/0x40 [ 81.319631][ T5001] dump_stack_lvl+0xf4/0x15c [ 81.320347][ T5001] dump_stack+0x1c/0x5c [ 81.321006][ T5001] sysfs_create_dir_ns+0x244/0x264 [ 81.321872][ T5001] kobject_add_internal+0x5ac/0xc3c [ 81.322716][ T5001] kobject_init_and_add+0x124/0x190 [ 81.323576][ T5001] gfs2_sys_fs_add+0x200/0x41c [ 81.324355][ T5001] gfs2_fill_super+0xddc/0x1a18 [ 81.325124][ T5001] get_tree_bdev+0x358/0x544 [ 81.325865][ T5001] gfs2_get_tree+0x54/0x1b4 [ 81.326569][ T5001] vfs_get_tree+0x90/0x274 [ 81.327271][ T5001] do_new_mount+0x228/0x810 [ 81.328006][ T5001] path_mount+0x5bc/0x1008 [ 81.328707][ T5001] __arm64_sys_mount+0x514/0x5f0 [ 81.329484][ T5001] invoke_syscall+0x98/0x2b0 [ 81.330217][ T5001] el0_svc_common+0x138/0x258 [ 81.330973][ T5001] do_el0_svc+0x58/0x13c [ 81.331696][ T5001] el0_svc+0x78/0x1d0 [ 81.332346][ T5001] el0t_64_sync_handler+0xcc/0xe4 [ 81.333142][ T5001] el0t_64_sync+0x1a0/0x1a4 [ 81.374432][ T5001] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.376543][ T5001] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.533624][ T5003] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.534799][ T5003] CPU: 1 PID: 5003 Comm: syz.2.39 Not tainted syzkaller #0 [ 81.535932][ T5003] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 81.537536][ T5003] Call trace: [ 81.538036][ T5003] dump_backtrace+0x0/0x458 [ 81.538736][ T5003] show_stack+0x2c/0x3c [ 81.539362][ T5003] __dump_stack+0x30/0x40 [ 81.540053][ T5003] dump_stack_lvl+0xf4/0x15c [ 81.540845][ T5003] dump_stack+0x1c/0x5c [ 81.541558][ T5003] sysfs_create_dir_ns+0x244/0x264 [ 81.542440][ T5003] kobject_add_internal+0x5ac/0xc3c [ 81.543331][ T5003] kobject_init_and_add+0x124/0x190 [ 81.544174][ T5003] gfs2_sys_fs_add+0x200/0x41c [ 81.544925][ T5003] gfs2_fill_super+0xddc/0x1a18 [ 81.545711][ T5003] get_tree_bdev+0x358/0x544 [ 81.546439][ T5003] gfs2_get_tree+0x54/0x1b4 [ 81.547161][ T5003] vfs_get_tree+0x90/0x274 [ 81.547895][ T5003] do_new_mount+0x228/0x810 [ 81.548636][ T5003] path_mount+0x5bc/0x1008 [ 81.549315][ T5003] __arm64_sys_mount+0x514/0x5f0 [ 81.550165][ T5003] invoke_syscall+0x98/0x2b0 [ 81.550955][ T5003] el0_svc_common+0x138/0x258 [ 81.551739][ T5003] do_el0_svc+0x58/0x13c [ 81.552454][ T5003] el0_svc+0x78/0x1d0 [ 81.553035][ T5003] el0t_64_sync_handler+0xcc/0xe4 [ 81.553810][ T5003] el0t_64_sync+0x1a0/0x1a4 [ 81.585210][ T5003] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.587346][ T5003] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.632058][ T5005] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.633202][ T5005] CPU: 0 PID: 5005 Comm: syz.0.40 Not tainted syzkaller #0 [ 81.634279][ T5005] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 81.635940][ T5005] Call trace: [ 81.636471][ T5005] dump_backtrace+0x0/0x458 [ 81.637223][ T5005] show_stack+0x2c/0x3c [ 81.637897][ T5005] __dump_stack+0x30/0x40 [ 81.638588][ T5005] dump_stack_lvl+0xf4/0x15c [ 81.639267][ T5005] dump_stack+0x1c/0x5c [ 81.639953][ T5005] sysfs_create_dir_ns+0x244/0x264 [ 81.640744][ T5005] kobject_add_internal+0x5ac/0xc3c [ 81.641533][ T5005] kobject_init_and_add+0x124/0x190 [ 81.642320][ T5005] gfs2_sys_fs_add+0x200/0x41c [ 81.643037][ T5005] gfs2_fill_super+0xddc/0x1a18 [ 81.643759][ T5005] get_tree_bdev+0x358/0x544 [ 81.644469][ T5005] gfs2_get_tree+0x54/0x1b4 [ 81.645100][ T5005] vfs_get_tree+0x90/0x274 [ 81.645747][ T5005] do_new_mount+0x228/0x810 [ 81.646395][ T5005] path_mount+0x5bc/0x1008 [ 81.647121][ T5005] __arm64_sys_mount+0x514/0x5f0 [ 81.647873][ T5005] invoke_syscall+0x98/0x2b0 [ 81.648570][ T5005] el0_svc_common+0x138/0x258 [ 81.649283][ T5005] do_el0_svc+0x58/0x13c [ 81.649972][ T5005] el0_svc+0x78/0x1d0 [ 81.650583][ T5005] el0t_64_sync_handler+0xcc/0xe4 [ 81.651388][ T5005] el0t_64_sync+0x1a0/0x1a4 [ 81.672465][ T5001] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.673712][ T5001] CPU: 1 PID: 5001 Comm: syz.4.38 Not tainted syzkaller #0 [ 81.674958][ T5001] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 81.676481][ T5001] Call trace: [ 81.676935][ T5001] dump_backtrace+0x0/0x458 [ 81.677686][ T5001] show_stack+0x2c/0x3c [ 81.678371][ T5001] __dump_stack+0x30/0x40 [ 81.679053][ T5001] dump_stack_lvl+0xf4/0x15c [ 81.679801][ T5001] dump_stack+0x1c/0x5c [ 81.680438][ T5001] sysfs_create_dir_ns+0x244/0x264 [ 81.681251][ T5001] kobject_add_internal+0x5ac/0xc3c [ 81.682027][ T5001] kobject_init_and_add+0x124/0x190 [ 81.682043][ T5005] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.682869][ T5001] gfs2_sys_fs_add+0x200/0x41c [ 81.685092][ T5005] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.685749][ T5001] gfs2_fill_super+0xddc/0x1a18 [ 81.687534][ T5001] get_tree_bdev+0x358/0x544 [ 81.688237][ T5001] gfs2_get_tree+0x54/0x1b4 [ 81.688904][ T5001] vfs_get_tree+0x90/0x274 [ 81.689531][ T5001] do_new_mount+0x228/0x810 [ 81.690153][ T5001] path_mount+0x5bc/0x1008 [ 81.690786][ T5001] __arm64_sys_mount+0x514/0x5f0 [ 81.691464][ T5001] invoke_syscall+0x98/0x2b0 [ 81.692205][ T5001] el0_svc_common+0x138/0x258 [ 81.692952][ T5001] do_el0_svc+0x58/0x13c [ 81.693621][ T5001] el0_svc+0x78/0x1d0 [ 81.694264][ T5001] el0t_64_sync_handler+0xcc/0xe4 [ 81.695060][ T5001] el0t_64_sync+0x1a0/0x1a4 [ 81.703242][ T4999] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.704410][ T4999] CPU: 0 PID: 4999 Comm: syz.1.37 Not tainted syzkaller #0 [ 81.705546][ T4999] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 81.707190][ T4999] Call trace: [ 81.707705][ T4999] dump_backtrace+0x0/0x458 [ 81.708410][ T4999] show_stack+0x2c/0x3c [ 81.709101][ T4999] __dump_stack+0x30/0x40 [ 81.709842][ T4999] dump_stack_lvl+0xf4/0x15c [ 81.710599][ T4999] dump_stack+0x1c/0x5c [ 81.711323][ T4999] sysfs_create_dir_ns+0x244/0x264 [ 81.712241][ T4999] kobject_add_internal+0x5ac/0xc3c [ 81.713093][ T4999] kobject_init_and_add+0x124/0x190 [ 81.713935][ T4999] gfs2_sys_fs_add+0x200/0x41c [ 81.714732][ T4999] gfs2_fill_super+0xddc/0x1a18 [ 81.715508][ T4999] get_tree_bdev+0x358/0x544 [ 81.716256][ T4999] gfs2_get_tree+0x54/0x1b4 [ 81.716989][ T4999] vfs_get_tree+0x90/0x274 [ 81.717734][ T4999] do_new_mount+0x228/0x810 [ 81.718446][ T4999] path_mount+0x5bc/0x1008 [ 81.719170][ T4999] __arm64_sys_mount+0x514/0x5f0 [ 81.720020][ T4999] invoke_syscall+0x98/0x2b0 [ 81.720806][ T4999] el0_svc_common+0x138/0x258 [ 81.721662][ T4999] do_el0_svc+0x58/0x13c [ 81.722355][ T4999] el0_svc+0x78/0x1d0 [ 81.723029][ T4999] el0t_64_sync_handler+0xcc/0xe4 [ 81.723836][ T4999] el0t_64_sync+0x1a0/0x1a4 [ 81.740582][ T5001] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.743000][ T5001] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.755608][ T4999] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.770713][ T4999] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:01:21 executed programs: 36 [ 81.902339][ T5005] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.903539][ T5005] CPU: 0 PID: 5005 Comm: syz.0.40 Not tainted syzkaller #0 [ 81.904648][ T5005] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 81.906349][ T5005] Call trace: [ 81.906903][ T5005] dump_backtrace+0x0/0x458 [ 81.907659][ T5005] show_stack+0x2c/0x3c [ 81.908298][ T5005] __dump_stack+0x30/0x40 [ 81.908959][ T5005] dump_stack_lvl+0xf4/0x15c [ 81.909656][ T5005] dump_stack+0x1c/0x5c [ 81.910296][ T5005] sysfs_create_dir_ns+0x244/0x264 [ 81.911062][ T5005] kobject_add_internal+0x5ac/0xc3c [ 81.911864][ T5005] kobject_init_and_add+0x124/0x190 [ 81.912705][ T5005] gfs2_sys_fs_add+0x200/0x41c [ 81.913461][ T5005] gfs2_fill_super+0xddc/0x1a18 [ 81.914270][ T5005] get_tree_bdev+0x358/0x544 [ 81.914981][ T5005] gfs2_get_tree+0x54/0x1b4 [ 81.915721][ T5005] vfs_get_tree+0x90/0x274 [ 81.916466][ T5005] do_new_mount+0x228/0x810 [ 81.917224][ T5005] path_mount+0x5bc/0x1008 [ 81.917964][ T5005] __arm64_sys_mount+0x514/0x5f0 [ 81.918802][ T5005] invoke_syscall+0x98/0x2b0 [ 81.919596][ T5005] el0_svc_common+0x138/0x258 [ 81.920379][ T5005] do_el0_svc+0x58/0x13c [ 81.921089][ T5005] el0_svc+0x78/0x1d0 [ 81.921761][ T5005] el0t_64_sync_handler+0xcc/0xe4 [ 81.922612][ T5005] el0t_64_sync+0x1a0/0x1a4 [ 81.971173][ T5005] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.975509][ T5005] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.076110][ T5003] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.077279][ T5003] CPU: 1 PID: 5003 Comm: syz.2.39 Not tainted syzkaller #0 [ 82.078366][ T5003] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 82.079983][ T5003] Call trace: [ 82.080511][ T5003] dump_backtrace+0x0/0x458 [ 82.081237][ T5003] show_stack+0x2c/0x3c [ 82.081877][ T5003] __dump_stack+0x30/0x40 [ 82.082602][ T5003] dump_stack_lvl+0xf4/0x15c [ 82.083302][ T5003] dump_stack+0x1c/0x5c [ 82.083966][ T5003] sysfs_create_dir_ns+0x244/0x264 [ 82.084767][ T5003] kobject_add_internal+0x5ac/0xc3c [ 82.085573][ T5003] kobject_init_and_add+0x124/0x190 [ 82.086430][ T5003] gfs2_sys_fs_add+0x200/0x41c [ 82.087199][ T5003] gfs2_fill_super+0xddc/0x1a18 [ 82.087981][ T5003] get_tree_bdev+0x358/0x544 [ 82.088749][ T5003] gfs2_get_tree+0x54/0x1b4 [ 82.089508][ T5003] vfs_get_tree+0x90/0x274 [ 82.090254][ T5003] do_new_mount+0x228/0x810 [ 82.091006][ T5003] path_mount+0x5bc/0x1008 [ 82.091746][ T5003] __arm64_sys_mount+0x514/0x5f0 [ 82.092538][ T5003] invoke_syscall+0x98/0x2b0 [ 82.093302][ T5003] el0_svc_common+0x138/0x258 [ 82.094083][ T5003] do_el0_svc+0x58/0x13c [ 82.094746][ T5003] el0_svc+0x78/0x1d0 [ 82.095439][ T5003] el0t_64_sync_handler+0xcc/0xe4 [ 82.096215][ T5003] el0t_64_sync+0x1a0/0x1a4 [ 82.109004][ T5003] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.111118][ T5007] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.112326][ T5007] CPU: 1 PID: 5007 Comm: syz.4.41 Not tainted syzkaller #0 [ 82.113505][ T5007] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 82.115131][ T5007] Call trace: [ 82.115686][ T5007] dump_backtrace+0x0/0x458 [ 82.116389][ T5007] show_stack+0x2c/0x3c [ 82.117054][ T5007] __dump_stack+0x30/0x40 [ 82.117736][ T5007] dump_stack_lvl+0xf4/0x15c [ 82.118480][ T5007] dump_stack+0x1c/0x5c [ 82.119213][ T5007] sysfs_create_dir_ns+0x244/0x264 [ 82.120041][ T5007] kobject_add_internal+0x5ac/0xc3c [ 82.120968][ T5007] kobject_init_and_add+0x124/0x190 [ 82.121846][ T5007] gfs2_sys_fs_add+0x200/0x41c [ 82.122607][ T5007] gfs2_fill_super+0xddc/0x1a18 [ 82.123382][ T5007] get_tree_bdev+0x358/0x544 [ 82.124149][ T5007] gfs2_get_tree+0x54/0x1b4 [ 82.124908][ T5007] vfs_get_tree+0x90/0x274 [ 82.125668][ T5007] do_new_mount+0x228/0x810 [ 82.126379][ T5007] path_mount+0x5bc/0x1008 [ 82.127084][ T5007] __arm64_sys_mount+0x514/0x5f0 [ 82.127873][ T5007] invoke_syscall+0x98/0x2b0 [ 82.128641][ T5007] el0_svc_common+0x138/0x258 [ 82.129402][ T5007] do_el0_svc+0x58/0x13c [ 82.130074][ T5007] el0_svc+0x78/0x1d0 [ 82.130696][ T5007] el0t_64_sync_handler+0xcc/0xe4 [ 82.131498][ T5007] el0t_64_sync+0x1a0/0x1a4 [ 82.133481][ T5003] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.136370][ T5007] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.138879][ T5007] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.152554][ T5009] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.153778][ T5009] CPU: 1 PID: 5009 Comm: syz.1.42 Not tainted syzkaller #0 [ 82.154866][ T5009] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 82.156367][ T5009] Call trace: [ 82.156867][ T5009] dump_backtrace+0x0/0x458 [ 82.157533][ T5009] show_stack+0x2c/0x3c [ 82.158211][ T5009] __dump_stack+0x30/0x40 [ 82.158912][ T5009] dump_stack_lvl+0xf4/0x15c [ 82.159643][ T5009] dump_stack+0x1c/0x5c [ 82.160328][ T5009] sysfs_create_dir_ns+0x244/0x264 [ 82.161144][ T5009] kobject_add_internal+0x5ac/0xc3c [ 82.161994][ T5009] kobject_init_and_add+0x124/0x190 [ 82.162839][ T5009] gfs2_sys_fs_add+0x200/0x41c [ 82.163649][ T5009] gfs2_fill_super+0xddc/0x1a18 [ 82.164456][ T5009] get_tree_bdev+0x358/0x544 [ 82.165201][ T5009] gfs2_get_tree+0x54/0x1b4 [ 82.165928][ T5009] vfs_get_tree+0x90/0x274 [ 82.166613][ T5009] do_new_mount+0x228/0x810 [ 82.167311][ T5009] path_mount+0x5bc/0x1008 [ 82.168013][ T5009] __arm64_sys_mount+0x514/0x5f0 [ 82.168794][ T5009] invoke_syscall+0x98/0x2b0 [ 82.169518][ T5009] el0_svc_common+0x138/0x258 [ 82.170260][ T5009] do_el0_svc+0x58/0x13c [ 82.170917][ T5009] el0_svc+0x78/0x1d0 [ 82.171521][ T5009] el0t_64_sync_handler+0xcc/0xe4 [ 82.172334][ T5009] el0t_64_sync+0x1a0/0x1a4 [ 82.212781][ T5009] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.214681][ T5009] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.268885][ T5011] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.270078][ T5011] CPU: 0 PID: 5011 Comm: syz.0.43 Not tainted syzkaller #0 [ 82.271177][ T5011] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 82.272743][ T5011] Call trace: [ 82.273280][ T5011] dump_backtrace+0x0/0x458 [ 82.274005][ T5011] show_stack+0x2c/0x3c [ 82.274667][ T5011] __dump_stack+0x30/0x40 [ 82.275387][ T5011] dump_stack_lvl+0xf4/0x15c [ 82.276172][ T5011] dump_stack+0x1c/0x5c [ 82.276907][ T5011] sysfs_create_dir_ns+0x244/0x264 [ 82.277744][ T5011] kobject_add_internal+0x5ac/0xc3c [ 82.278596][ T5011] kobject_init_and_add+0x124/0x190 [ 82.279486][ T5011] gfs2_sys_fs_add+0x200/0x41c [ 82.280286][ T5011] gfs2_fill_super+0xddc/0x1a18 [ 82.281104][ T5011] get_tree_bdev+0x358/0x544 [ 82.281876][ T5011] gfs2_get_tree+0x54/0x1b4 [ 82.282638][ T5011] vfs_get_tree+0x90/0x274 [ 82.283373][ T5011] do_new_mount+0x228/0x810 [ 82.284067][ T5011] path_mount+0x5bc/0x1008 [ 82.284723][ T5011] __arm64_sys_mount+0x514/0x5f0 [ 82.285449][ T5011] invoke_syscall+0x98/0x2b0 [ 82.286129][ T5011] el0_svc_common+0x138/0x258 [ 82.286850][ T5011] do_el0_svc+0x58/0x13c [ 82.287500][ T5011] el0_svc+0x78/0x1d0 [ 82.288106][ T5011] el0t_64_sync_handler+0xcc/0xe4 [ 82.288857][ T5011] el0t_64_sync+0x1a0/0x1a4 [ 82.312704][ T5011] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.314863][ T5011] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.442679][ T5007] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.443858][ T5007] CPU: 0 PID: 5007 Comm: syz.4.41 Not tainted syzkaller #0 [ 82.444917][ T5007] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 82.446528][ T5007] Call trace: [ 82.447033][ T5007] dump_backtrace+0x0/0x458 [ 82.447731][ T5007] show_stack+0x2c/0x3c [ 82.448414][ T5007] __dump_stack+0x30/0x40 [ 82.449180][ T5007] dump_stack_lvl+0xf4/0x15c [ 82.449952][ T5007] dump_stack+0x1c/0x5c [ 82.450646][ T5007] sysfs_create_dir_ns+0x244/0x264 [ 82.451440][ T5007] kobject_add_internal+0x5ac/0xc3c [ 82.452278][ T5007] kobject_init_and_add+0x124/0x190 [ 82.453121][ T5007] gfs2_sys_fs_add+0x200/0x41c [ 82.453846][ T5007] gfs2_fill_super+0xddc/0x1a18 [ 82.454596][ T5007] get_tree_bdev+0x358/0x544 [ 82.455373][ T5007] gfs2_get_tree+0x54/0x1b4 [ 82.456118][ T5007] vfs_get_tree+0x90/0x274 [ 82.456829][ T5007] do_new_mount+0x228/0x810 [ 82.457504][ T5007] path_mount+0x5bc/0x1008 [ 82.458137][ T5007] __arm64_sys_mount+0x514/0x5f0 [ 82.458883][ T5007] invoke_syscall+0x98/0x2b0 [ 82.459654][ T5007] el0_svc_common+0x138/0x258 [ 82.460381][ T5007] do_el0_svc+0x58/0x13c [ 82.461055][ T5007] el0_svc+0x78/0x1d0 [ 82.461684][ T5007] el0t_64_sync_handler+0xcc/0xe4 [ 82.462410][ T5007] el0t_64_sync+0x1a0/0x1a4 [ 82.473396][ T5013] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.474564][ T5013] CPU: 1 PID: 5013 Comm: syz.2.44 Not tainted syzkaller #0 [ 82.475652][ T5013] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 82.477255][ T5013] Call trace: [ 82.477735][ T5013] dump_backtrace+0x0/0x458 [ 82.478503][ T5013] show_stack+0x2c/0x3c [ 82.479216][ T5013] __dump_stack+0x30/0x40 [ 82.479897][ T5013] dump_stack_lvl+0xf4/0x15c [ 82.480675][ T5013] dump_stack+0x1c/0x5c [ 82.481350][ T5013] sysfs_create_dir_ns+0x244/0x264 [ 82.482233][ T5013] kobject_add_internal+0x5ac/0xc3c [ 82.483103][ T5013] kobject_init_and_add+0x124/0x190 [ 82.483975][ T5013] gfs2_sys_fs_add+0x200/0x41c [ 82.484797][ T5013] gfs2_fill_super+0xddc/0x1a18 [ 82.485661][ T5013] get_tree_bdev+0x358/0x544 [ 82.486068][ T5007] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.486386][ T5013] gfs2_get_tree+0x54/0x1b4 [ 82.488505][ T5007] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.489205][ T5013] vfs_get_tree+0x90/0x274 [ 82.490874][ T5013] do_new_mount+0x228/0x810 [ 82.491536][ T5013] path_mount+0x5bc/0x1008 [ 82.492190][ T5013] __arm64_sys_mount+0x514/0x5f0 [ 82.492933][ T5013] invoke_syscall+0x98/0x2b0 [ 82.493690][ T5013] el0_svc_common+0x138/0x258 [ 82.494421][ T5013] do_el0_svc+0x58/0x13c [ 82.495092][ T5013] el0_svc+0x78/0x1d0 [ 82.495726][ T5013] el0t_64_sync_handler+0xcc/0xe4 [ 82.496423][ T5013] el0t_64_sync+0x1a0/0x1a4 [ 82.504162][ T5009] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.505358][ T5009] CPU: 1 PID: 5009 Comm: syz.1.42 Not tainted syzkaller #0 [ 82.506521][ T5009] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 82.507996][ T5009] Call trace: [ 82.508515][ T5009] dump_backtrace+0x0/0x458 [ 82.509248][ T5009] show_stack+0x2c/0x3c [ 82.509885][ T5009] __dump_stack+0x30/0x40 [ 82.510536][ T5009] dump_stack_lvl+0xf4/0x15c [ 82.511251][ T5009] dump_stack+0x1c/0x5c [ 82.511894][ T5009] sysfs_create_dir_ns+0x244/0x264 [ 82.512731][ T5009] kobject_add_internal+0x5ac/0xc3c [ 82.513645][ T5009] kobject_init_and_add+0x124/0x190 [ 82.514519][ T5009] gfs2_sys_fs_add+0x200/0x41c [ 82.515276][ T5009] gfs2_fill_super+0xddc/0x1a18 [ 82.516114][ T5009] get_tree_bdev+0x358/0x544 [ 82.516882][ T5009] gfs2_get_tree+0x54/0x1b4 [ 82.517610][ T5009] vfs_get_tree+0x90/0x274 [ 82.518301][ T5009] do_new_mount+0x228/0x810 [ 82.519022][ T5009] path_mount+0x5bc/0x1008 [ 82.519777][ T5009] __arm64_sys_mount+0x514/0x5f0 [ 82.520544][ T5009] invoke_syscall+0x98/0x2b0 [ 82.521265][ T5009] el0_svc_common+0x138/0x258 [ 82.521944][ T5009] do_el0_svc+0x58/0x13c [ 82.522631][ T5009] el0_svc+0x78/0x1d0 [ 82.523275][ T5009] el0t_64_sync_handler+0xcc/0xe4 [ 82.524122][ T5009] el0t_64_sync+0x1a0/0x1a4 [ 82.532610][ T5013] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.534523][ T5013] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.541459][ T5011] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.546969][ T5009] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.549856][ T5011] CPU: 1 PID: 5011 Comm: syz.0.43 Not tainted syzkaller #0 [ 82.551380][ T5011] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 82.553040][ T5011] Call trace: [ 82.553564][ T5011] dump_backtrace+0x0/0x458 [ 82.554318][ T5011] show_stack+0x2c/0x3c [ 82.555034][ T5011] __dump_stack+0x30/0x40 [ 82.555912][ T5011] dump_stack_lvl+0xf4/0x15c [ 82.556652][ T5011] dump_stack+0x1c/0x5c [ 82.557352][ T5011] sysfs_create_dir_ns+0x244/0x264 [ 82.558107][ T5011] kobject_add_internal+0x5ac/0xc3c [ 82.558937][ T5011] kobject_init_and_add+0x124/0x190 [ 82.559752][ T5011] gfs2_sys_fs_add+0x200/0x41c [ 82.560526][ T5011] gfs2_fill_super+0xddc/0x1a18 [ 82.561299][ T5011] get_tree_bdev+0x358/0x544 [ 82.562021][ T5011] gfs2_get_tree+0x54/0x1b4 [ 82.562726][ T5011] vfs_get_tree+0x90/0x274 [ 82.563478][ T5011] do_new_mount+0x228/0x810 [ 82.564240][ T5011] path_mount+0x5bc/0x1008 [ 82.564954][ T5011] __arm64_sys_mount+0x514/0x5f0 [ 82.565823][ T5011] invoke_syscall+0x98/0x2b0 [ 82.566650][ T5011] el0_svc_common+0x138/0x258 [ 82.567430][ T5011] do_el0_svc+0x58/0x13c [ 82.568118][ T5011] el0_svc+0x78/0x1d0 [ 82.568775][ T5011] el0t_64_sync_handler+0xcc/0xe4 [ 82.569550][ T5011] el0t_64_sync+0x1a0/0x1a4 [ 82.574705][ T5009] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.577637][ T5011] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.579550][ T5011] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.824944][ T5015] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.826133][ T5015] CPU: 0 PID: 5015 Comm: syz.4.45 Not tainted syzkaller #0 [ 82.827159][ T5015] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 82.828604][ T5015] Call trace: [ 82.829073][ T5015] dump_backtrace+0x0/0x458 [ 82.829818][ T5015] show_stack+0x2c/0x3c [ 82.830480][ T5015] __dump_stack+0x30/0x40 [ 82.831171][ T5015] dump_stack_lvl+0xf4/0x15c [ 82.831884][ T5015] dump_stack+0x1c/0x5c [ 82.832587][ T5017] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.832581][ T5015] sysfs_create_dir_ns+0x244/0x264 [ 82.832599][ T5015] kobject_add_internal+0x5ac/0xc3c [ 82.835385][ T5015] kobject_init_and_add+0x124/0x190 [ 82.836221][ T5015] gfs2_sys_fs_add+0x200/0x41c [ 82.836977][ T5015] gfs2_fill_super+0xddc/0x1a18 [ 82.837809][ T5015] get_tree_bdev+0x358/0x544 [ 82.838567][ T5015] gfs2_get_tree+0x54/0x1b4 [ 82.839315][ T5015] vfs_get_tree+0x90/0x274 [ 82.840007][ T5015] do_new_mount+0x228/0x810 [ 82.840720][ T5015] path_mount+0x5bc/0x1008 [ 82.841421][ T5015] __arm64_sys_mount+0x514/0x5f0 [ 82.842190][ T5015] invoke_syscall+0x98/0x2b0 [ 82.842977][ T5015] el0_svc_common+0x138/0x258 [ 82.843795][ T5015] do_el0_svc+0x58/0x13c [ 82.844536][ T5015] el0_svc+0x78/0x1d0 [ 82.845154][ T5015] el0t_64_sync_handler+0xcc/0xe4 [ 82.845982][ T5015] el0t_64_sync+0x1a0/0x1a4 [ 82.848518][ T5013] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.848641][ T5017] CPU: 1 PID: 5017 Comm: syz.1.46 Not tainted syzkaller #0 [ 82.850780][ T5017] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 82.852217][ T5017] Call trace: [ 82.852706][ T5017] dump_backtrace+0x0/0x458 [ 82.853454][ T5017] show_stack+0x2c/0x3c [ 82.854090][ T5017] __dump_stack+0x30/0x40 [ 82.854746][ T5017] dump_stack_lvl+0xf4/0x15c [ 82.855435][ T5017] dump_stack+0x1c/0x5c [ 82.856054][ T5017] sysfs_create_dir_ns+0x244/0x264 [ 82.856799][ T5017] kobject_add_internal+0x5ac/0xc3c [ 82.857703][ T5017] kobject_init_and_add+0x124/0x190 [ 82.858507][ T5017] gfs2_sys_fs_add+0x200/0x41c [ 82.859240][ T5017] gfs2_fill_super+0xddc/0x1a18 [ 82.860100][ T5017] get_tree_bdev+0x358/0x544 [ 82.860886][ T5017] gfs2_get_tree+0x54/0x1b4 [ 82.861636][ T5017] vfs_get_tree+0x90/0x274 [ 82.862349][ T5017] do_new_mount+0x228/0x810 [ 82.863057][ T5017] path_mount+0x5bc/0x1008 [ 82.863774][ T5017] __arm64_sys_mount+0x514/0x5f0 [ 82.864526][ T5017] invoke_syscall+0x98/0x2b0 [ 82.865231][ T5017] el0_svc_common+0x138/0x258 [ 82.866000][ T5017] do_el0_svc+0x58/0x13c [ 82.866693][ T5017] el0_svc+0x78/0x1d0 [ 82.867317][ T5017] el0t_64_sync_handler+0xcc/0xe4 [ 82.868131][ T5017] el0t_64_sync+0x1a0/0x1a4 [ 82.868878][ T5013] CPU: 0 PID: 5013 Comm: syz.2.44 Not tainted syzkaller #0 [ 82.870115][ T5013] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 82.871747][ T5013] Call trace: [ 82.872275][ T5013] dump_backtrace+0x0/0x458 [ 82.873058][ T5013] show_stack+0x2c/0x3c [ 82.873750][ T5013] __dump_stack+0x30/0x40 [ 82.874410][ T5013] dump_stack_lvl+0xf4/0x15c [ 82.875176][ T5013] dump_stack+0x1c/0x5c [ 82.875823][ T5013] sysfs_create_dir_ns+0x244/0x264 [ 82.876676][ T5013] kobject_add_internal+0x5ac/0xc3c [ 82.877567][ T5013] kobject_init_and_add+0x124/0x190 [ 82.878451][ T5013] gfs2_sys_fs_add+0x200/0x41c [ 82.879267][ T5013] gfs2_fill_super+0xddc/0x1a18 [ 82.880107][ T5013] get_tree_bdev+0x358/0x544 [ 82.880861][ T5013] gfs2_get_tree+0x54/0x1b4 [ 82.881633][ T5013] vfs_get_tree+0x90/0x274 [ 82.882368][ T5013] do_new_mount+0x228/0x810 [ 82.883114][ T5013] path_mount+0x5bc/0x1008 [ 82.883837][ T5013] __arm64_sys_mount+0x514/0x5f0 [ 82.884672][ T5013] invoke_syscall+0x98/0x2b0 [ 82.885380][ T5013] el0_svc_common+0x138/0x258 [ 82.886110][ T5013] do_el0_svc+0x58/0x13c [ 82.886681][ T5017] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.886790][ T5013] el0_svc+0x78/0x1d0 [ 82.888781][ T5017] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.889337][ T5013] el0t_64_sync_handler+0xcc/0xe4 [ 82.890474][ T5015] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.891154][ T5013] el0t_64_sync+0x1a0/0x1a4 [ 82.894439][ T5015] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.896783][ T5013] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.901226][ T5013] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.964116][ T5019] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.965344][ T5019] CPU: 1 PID: 5019 Comm: syz.0.47 Not tainted syzkaller #0 [ 82.966523][ T5019] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 82.968137][ T5019] Call trace: [ 82.968686][ T5019] dump_backtrace+0x0/0x458 [ 82.969398][ T5019] show_stack+0x2c/0x3c [ 82.970046][ T5019] __dump_stack+0x30/0x40 [ 82.970756][ T5019] dump_stack_lvl+0xf4/0x15c [ 82.971537][ T5019] dump_stack+0x1c/0x5c [ 82.972181][ T5019] sysfs_create_dir_ns+0x244/0x264 [ 82.972994][ T5019] kobject_add_internal+0x5ac/0xc3c [ 82.973793][ T5019] kobject_init_and_add+0x124/0x190 [ 82.974590][ T5019] gfs2_sys_fs_add+0x200/0x41c [ 82.975326][ T5019] gfs2_fill_super+0xddc/0x1a18 [ 82.976122][ T5019] get_tree_bdev+0x358/0x544 [ 82.976888][ T5019] gfs2_get_tree+0x54/0x1b4 [ 82.977637][ T5019] vfs_get_tree+0x90/0x274 [ 82.978344][ T5019] do_new_mount+0x228/0x810 [ 82.979081][ T5019] path_mount+0x5bc/0x1008 [ 82.979771][ T5019] __arm64_sys_mount+0x514/0x5f0 [ 82.980489][ T5019] invoke_syscall+0x98/0x2b0 [ 82.981285][ T5019] el0_svc_common+0x138/0x258 [ 82.982047][ T5019] do_el0_svc+0x58/0x13c [ 82.982728][ T5019] el0_svc+0x78/0x1d0 [ 82.983365][ T5019] el0t_64_sync_handler+0xcc/0xe4 [ 82.984189][ T5019] el0t_64_sync+0x1a0/0x1a4 [ 83.032454][ T5019] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.034519][ T5019] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.063700][ T5015] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.064862][ T5015] CPU: 1 PID: 5015 Comm: syz.4.45 Not tainted syzkaller #0 [ 83.066098][ T5015] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 83.067761][ T5015] Call trace: [ 83.068255][ T5015] dump_backtrace+0x0/0x458 [ 83.069003][ T5015] show_stack+0x2c/0x3c [ 83.069650][ T5015] __dump_stack+0x30/0x40 [ 83.070331][ T5015] dump_stack_lvl+0xf4/0x15c [ 83.071051][ T5015] dump_stack+0x1c/0x5c [ 83.071712][ T5015] sysfs_create_dir_ns+0x244/0x264 [ 83.072511][ T5015] kobject_add_internal+0x5ac/0xc3c [ 83.073343][ T5015] kobject_init_and_add+0x124/0x190 [ 83.074192][ T5015] gfs2_sys_fs_add+0x200/0x41c [ 83.074973][ T5015] gfs2_fill_super+0xddc/0x1a18 [ 83.075754][ T5015] get_tree_bdev+0x358/0x544 [ 83.076503][ T5015] gfs2_get_tree+0x54/0x1b4 [ 83.077228][ T5015] vfs_get_tree+0x90/0x274 [ 83.077929][ T5015] do_new_mount+0x228/0x810 [ 83.078646][ T5015] path_mount+0x5bc/0x1008 [ 83.079321][ T5015] __arm64_sys_mount+0x514/0x5f0 [ 83.080134][ T5015] invoke_syscall+0x98/0x2b0 [ 83.080854][ T5015] el0_svc_common+0x138/0x258 [ 83.081564][ T5015] do_el0_svc+0x58/0x13c [ 83.082248][ T5015] el0_svc+0x78/0x1d0 [ 83.082900][ T5015] el0t_64_sync_handler+0xcc/0xe4 [ 83.083732][ T5015] el0t_64_sync+0x1a0/0x1a4 [ 83.102164][ T5015] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.104303][ T5015] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.147135][ T5021] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.148296][ T5021] CPU: 0 PID: 5021 Comm: syz.2.48 Not tainted syzkaller #0 [ 83.149455][ T5021] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 83.150995][ T5021] Call trace: [ 83.151511][ T5021] dump_backtrace+0x0/0x458 [ 83.152230][ T5021] show_stack+0x2c/0x3c [ 83.152864][ T5021] __dump_stack+0x30/0x40 [ 83.153501][ T5021] dump_stack_lvl+0xf4/0x15c [ 83.154168][ T5021] dump_stack+0x1c/0x5c [ 83.154794][ T5021] sysfs_create_dir_ns+0x244/0x264 [ 83.155557][ T5021] kobject_add_internal+0x5ac/0xc3c [ 83.156330][ T5021] kobject_init_and_add+0x124/0x190 [ 83.157107][ T5021] gfs2_sys_fs_add+0x200/0x41c [ 83.157878][ T5021] gfs2_fill_super+0xddc/0x1a18 [ 83.158721][ T5021] get_tree_bdev+0x358/0x544 [ 83.159490][ T5021] gfs2_get_tree+0x54/0x1b4 [ 83.160247][ T5021] vfs_get_tree+0x90/0x274 [ 83.160983][ T5021] do_new_mount+0x228/0x810 [ 83.161710][ T5021] path_mount+0x5bc/0x1008 [ 83.162422][ T5021] __arm64_sys_mount+0x514/0x5f0 [ 83.163227][ T5021] invoke_syscall+0x98/0x2b0 [ 83.163967][ T5021] el0_svc_common+0x138/0x258 [ 83.164732][ T5021] do_el0_svc+0x58/0x13c [ 83.165421][ T5021] el0_svc+0x78/0x1d0 [ 83.166116][ T5021] el0t_64_sync_handler+0xcc/0xe4 [ 83.166925][ T5021] el0t_64_sync+0x1a0/0x1a4 [ 83.192608][ T5021] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.194804][ T5021] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.257282][ T5017] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.258507][ T5017] CPU: 0 PID: 5017 Comm: syz.1.46 Not tainted syzkaller #0 [ 83.259588][ T5017] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 83.261250][ T5017] Call trace: [ 83.261797][ T5017] dump_backtrace+0x0/0x458 [ 83.262568][ T5017] show_stack+0x2c/0x3c [ 83.263213][ T5017] __dump_stack+0x30/0x40 [ 83.263947][ T5017] dump_stack_lvl+0xf4/0x15c [ 83.264679][ T5017] dump_stack+0x1c/0x5c [ 83.265377][ T5017] sysfs_create_dir_ns+0x244/0x264 [ 83.266253][ T5017] kobject_add_internal+0x5ac/0xc3c [ 83.267114][ T5017] kobject_init_and_add+0x124/0x190 [ 83.267990][ T5017] gfs2_sys_fs_add+0x200/0x41c [ 83.268785][ T5017] gfs2_fill_super+0xddc/0x1a18 [ 83.269551][ T5017] get_tree_bdev+0x358/0x544 [ 83.270253][ T5017] gfs2_get_tree+0x54/0x1b4 [ 83.270928][ T5017] vfs_get_tree+0x90/0x274 [ 83.271698][ T5017] do_new_mount+0x228/0x810 [ 83.272416][ T5017] path_mount+0x5bc/0x1008 [ 83.273121][ T5017] __arm64_sys_mount+0x514/0x5f0 [ 83.273914][ T5017] invoke_syscall+0x98/0x2b0 [ 83.274658][ T5017] el0_svc_common+0x138/0x258 [ 83.275450][ T5017] do_el0_svc+0x58/0x13c [ 83.276129][ T5017] el0_svc+0x78/0x1d0 [ 83.276768][ T5017] el0t_64_sync_handler+0xcc/0xe4 [ 83.277571][ T5017] el0t_64_sync+0x1a0/0x1a4 [ 83.309193][ T5017] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.311376][ T5017] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.419042][ T5019] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.420175][ T5019] CPU: 1 PID: 5019 Comm: syz.0.47 Not tainted syzkaller #0 [ 83.421270][ T5019] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 83.422842][ T5019] Call trace: [ 83.423346][ T5019] dump_backtrace+0x0/0x458 [ 83.424024][ T5019] show_stack+0x2c/0x3c [ 83.424659][ T5019] __dump_stack+0x30/0x40 [ 83.425357][ T5019] dump_stack_lvl+0xf4/0x15c [ 83.426133][ T5019] dump_stack+0x1c/0x5c [ 83.426835][ T5019] sysfs_create_dir_ns+0x244/0x264 [ 83.427694][ T5019] kobject_add_internal+0x5ac/0xc3c [ 83.428496][ T5019] kobject_init_and_add+0x124/0x190 [ 83.429330][ T5019] gfs2_sys_fs_add+0x200/0x41c [ 83.430072][ T5019] gfs2_fill_super+0xddc/0x1a18 [ 83.430830][ T5019] get_tree_bdev+0x358/0x544 [ 83.431566][ T5019] gfs2_get_tree+0x54/0x1b4 [ 83.432276][ T5019] vfs_get_tree+0x90/0x274 [ 83.432968][ T5019] do_new_mount+0x228/0x810 [ 83.433737][ T5019] path_mount+0x5bc/0x1008 [ 83.434460][ T5019] __arm64_sys_mount+0x514/0x5f0 [ 83.435232][ T5019] invoke_syscall+0x98/0x2b0 [ 83.435998][ T5019] el0_svc_common+0x138/0x258 [ 83.436793][ T5019] do_el0_svc+0x58/0x13c [ 83.437493][ T5019] el0_svc+0x78/0x1d0 [ 83.438107][ T5019] el0t_64_sync_handler+0xcc/0xe4 [ 83.438880][ T5019] el0t_64_sync+0x1a0/0x1a4 [ 83.469489][ T5021] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.470716][ T5021] CPU: 0 PID: 5021 Comm: syz.2.48 Not tainted syzkaller #0 [ 83.471888][ T5021] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 83.472018][ T5019] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.473540][ T5021] Call trace: [ 83.473544][ T5021] dump_backtrace+0x0/0x458 [ 83.475543][ T5019] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.476076][ T5021] show_stack+0x2c/0x3c [ 83.478417][ T5021] __dump_stack+0x30/0x40 [ 83.479127][ T5021] dump_stack_lvl+0xf4/0x15c [ 83.479887][ T5021] dump_stack+0x1c/0x5c [ 83.480576][ T5021] sysfs_create_dir_ns+0x244/0x264 [ 83.481380][ T5021] kobject_add_internal+0x5ac/0xc3c [ 83.482131][ T5021] kobject_init_and_add+0x124/0x190 [ 83.482879][ T5021] gfs2_sys_fs_add+0x200/0x41c [ 83.483613][ T5021] gfs2_fill_super+0xddc/0x1a18 [ 83.484295][ T5021] get_tree_bdev+0x358/0x544 [ 83.484949][ T5021] gfs2_get_tree+0x54/0x1b4 [ 83.485592][ T5021] vfs_get_tree+0x90/0x274 [ 83.486208][ T5021] do_new_mount+0x228/0x810 [ 83.486839][ T5021] path_mount+0x5bc/0x1008 [ 83.487471][ T5021] __arm64_sys_mount+0x514/0x5f0 [ 83.488216][ T5021] invoke_syscall+0x98/0x2b0 [ 83.488891][ T5021] el0_svc_common+0x138/0x258 [ 83.489600][ T5021] do_el0_svc+0x58/0x13c [ 83.490216][ T5021] el0_svc+0x78/0x1d0 [ 83.490793][ T5021] el0t_64_sync_handler+0xcc/0xe4 [ 83.491514][ T5021] el0t_64_sync+0x1a0/0x1a4 [ 83.521566][ T5021] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.528198][ T5021] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.543824][ T5025] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.544961][ T5025] CPU: 0 PID: 5025 Comm: syz.1.50 Not tainted syzkaller #0 [ 83.545958][ T5025] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 83.547339][ T5025] Call trace: [ 83.547796][ T5025] dump_backtrace+0x0/0x458 [ 83.548425][ T5025] show_stack+0x2c/0x3c [ 83.549012][ T5025] __dump_stack+0x30/0x40 [ 83.549662][ T5025] dump_stack_lvl+0xf4/0x15c [ 83.550337][ T5025] dump_stack+0x1c/0x5c [ 83.550975][ T5025] sysfs_create_dir_ns+0x244/0x264 [ 83.551706][ T5025] kobject_add_internal+0x5ac/0xc3c [ 83.552465][ T5025] kobject_init_and_add+0x124/0x190 [ 83.553203][ T5025] gfs2_sys_fs_add+0x200/0x41c [ 83.553941][ T5025] gfs2_fill_super+0xddc/0x1a18 [ 83.554698][ T5025] get_tree_bdev+0x358/0x544 [ 83.555495][ T5025] gfs2_get_tree+0x54/0x1b4 [ 83.556240][ T5025] vfs_get_tree+0x90/0x274 [ 83.556943][ T5025] do_new_mount+0x228/0x810 [ 83.557653][ T5025] path_mount+0x5bc/0x1008 [ 83.558309][ T5025] __arm64_sys_mount+0x514/0x5f0 [ 83.559028][ T5025] invoke_syscall+0x98/0x2b0 [ 83.559716][ T5025] el0_svc_common+0x138/0x258 [ 83.560535][ T5025] do_el0_svc+0x58/0x13c [ 83.561271][ T5025] el0_svc+0x78/0x1d0 [ 83.561918][ T5025] el0t_64_sync_handler+0xcc/0xe4 [ 83.562705][ T5025] el0t_64_sync+0x1a0/0x1a4 [ 83.578231][ T5023] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.579528][ T5023] CPU: 1 PID: 5023 Comm: syz.4.49 Not tainted syzkaller #0 [ 83.580753][ T5023] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 83.582380][ T5023] Call trace: [ 83.582890][ T5023] dump_backtrace+0x0/0x458 [ 83.583587][ T5023] show_stack+0x2c/0x3c [ 83.583908][ T5025] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.584295][ T5023] __dump_stack+0x30/0x40 [ 83.586520][ T5025] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.587130][ T5023] dump_stack_lvl+0xf4/0x15c [ 83.588876][ T5023] dump_stack+0x1c/0x5c [ 83.589564][ T5023] sysfs_create_dir_ns+0x244/0x264 [ 83.590412][ T5023] kobject_add_internal+0x5ac/0xc3c [ 83.591338][ T5023] kobject_init_and_add+0x124/0x190 [ 83.592177][ T5023] gfs2_sys_fs_add+0x200/0x41c [ 83.592978][ T5023] gfs2_fill_super+0xddc/0x1a18 [ 83.593791][ T5023] get_tree_bdev+0x358/0x544 [ 83.594596][ T5023] gfs2_get_tree+0x54/0x1b4 [ 83.595382][ T5023] vfs_get_tree+0x90/0x274 [ 83.596095][ T5023] do_new_mount+0x228/0x810 [ 83.596811][ T5023] path_mount+0x5bc/0x1008 [ 83.597514][ T5023] __arm64_sys_mount+0x514/0x5f0 [ 83.598302][ T5023] invoke_syscall+0x98/0x2b0 [ 83.599032][ T5023] el0_svc_common+0x138/0x258 [ 83.599782][ T5023] do_el0_svc+0x58/0x13c [ 83.600469][ T5023] el0_svc+0x78/0x1d0 [ 83.601101][ T5023] el0t_64_sync_handler+0xcc/0xe4 [ 83.601894][ T5023] el0t_64_sync+0x1a0/0x1a4 [ 83.609374][ T5023] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.611284][ T5023] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.892578][ T5023] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.892742][ T5025] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.893784][ T5023] CPU: 1 PID: 5023 Comm: syz.4.49 Not tainted syzkaller #0 [ 83.895987][ T5023] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 83.897482][ T5023] Call trace: [ 83.897979][ T5023] dump_backtrace+0x0/0x458 [ 83.898601][ T5027] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.898712][ T5023] show_stack+0x2c/0x3c [ 83.900445][ T5023] __dump_stack+0x30/0x40 [ 83.901182][ T5023] dump_stack_lvl+0xf4/0x15c [ 83.901910][ T5023] dump_stack+0x1c/0x5c [ 83.902577][ T5023] sysfs_create_dir_ns+0x244/0x264 [ 83.903381][ T5023] kobject_add_internal+0x5ac/0xc3c [ 83.904210][ T5023] kobject_init_and_add+0x124/0x190 [ 83.905017][ T5023] gfs2_sys_fs_add+0x200/0x41c [ 83.905769][ T5023] gfs2_fill_super+0xddc/0x1a18 [ 83.906525][ T5023] get_tree_bdev+0x358/0x544 [ 83.907276][ T5023] gfs2_get_tree+0x54/0x1b4 [ 83.908013][ T5023] vfs_get_tree+0x90/0x274 [ 83.908720][ T5023] do_new_mount+0x228/0x810 [ 83.909442][ T5023] path_mount+0x5bc/0x1008 [ 83.910176][ T5023] __arm64_sys_mount+0x514/0x5f0 [ 83.910986][ T5023] invoke_syscall+0x98/0x2b0 [ 83.911741][ T5023] el0_svc_common+0x138/0x258 [ 83.912481][ T5023] do_el0_svc+0x58/0x13c [ 83.913153][ T5023] el0_svc+0x78/0x1d0 [ 83.913769][ T5023] el0t_64_sync_handler+0xcc/0xe4 [ 83.914549][ T5023] el0t_64_sync+0x1a0/0x1a4 [ 83.915248][ T5025] CPU: 0 PID: 5025 Comm: syz.1.50 Not tainted syzkaller #0 [ 83.916264][ T5025] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 83.917662][ T5025] Call trace: [ 83.918119][ T5025] dump_backtrace+0x0/0x458 [ 83.918762][ T5025] show_stack+0x2c/0x3c [ 83.919376][ T5025] __dump_stack+0x30/0x40 [ 83.919735][ T5029] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.920022][ T5025] dump_stack_lvl+0xf4/0x15c [ 83.921826][ T5025] dump_stack+0x1c/0x5c [ 83.922444][ T5025] sysfs_create_dir_ns+0x244/0x264 [ 83.923249][ T5025] kobject_add_internal+0x5ac/0xc3c [ 83.924059][ T5025] kobject_init_and_add+0x124/0x190 [ 83.924957][ T5025] gfs2_sys_fs_add+0x200/0x41c [ 83.925743][ T5025] gfs2_fill_super+0xddc/0x1a18 [ 83.926569][ T5025] get_tree_bdev+0x358/0x544 [ 83.927379][ T5025] gfs2_get_tree+0x54/0x1b4 [ 83.928116][ T5025] vfs_get_tree+0x90/0x274 [ 83.928835][ T5025] do_new_mount+0x228/0x810 [ 83.929612][ T5025] path_mount+0x5bc/0x1008 [ 83.930352][ T5025] __arm64_sys_mount+0x514/0x5f0 [ 83.931143][ T5025] invoke_syscall+0x98/0x2b0 [ 83.931895][ T5025] el0_svc_common+0x138/0x258 [ 83.932627][ T5025] do_el0_svc+0x58/0x13c [ 83.933312][ T5025] el0_svc+0x78/0x1d0 [ 83.933949][ T5025] el0t_64_sync_handler+0xcc/0xe4 [ 83.934806][ T5025] el0t_64_sync+0x1a0/0x1a4 [ 83.935591][ T5029] CPU: 1 PID: 5029 Comm: syz.2.52 Not tainted syzkaller #0 [ 83.936691][ T5029] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 83.938235][ T5029] Call trace: [ 83.938800][ T5029] dump_backtrace+0x0/0x458 [ 83.939503][ T5029] show_stack+0x2c/0x3c [ 83.940111][ T5029] __dump_stack+0x30/0x40 [ 83.940758][ T5029] dump_stack_lvl+0xf4/0x15c [ 83.941488][ T5029] dump_stack+0x1c/0x5c [ 83.942191][ T5029] sysfs_create_dir_ns+0x244/0x264 [ 83.943057][ T5029] kobject_add_internal+0x5ac/0xc3c [ 83.943914][ T5029] kobject_init_and_add+0x124/0x190 [ 83.944753][ T5029] gfs2_sys_fs_add+0x200/0x41c [ 83.945547][ T5029] gfs2_fill_super+0xddc/0x1a18 [ 83.946330][ T5029] get_tree_bdev+0x358/0x544 [ 83.947026][ T5029] gfs2_get_tree+0x54/0x1b4 [ 83.947703][ T5029] vfs_get_tree+0x90/0x274 [ 83.948356][ T5029] do_new_mount+0x228/0x810 [ 83.949076][ T5029] path_mount+0x5bc/0x1008 [ 83.949800][ T5029] __arm64_sys_mount+0x514/0x5f0 [ 83.950551][ T5029] invoke_syscall+0x98/0x2b0 [ 83.951307][ T5029] el0_svc_common+0x138/0x258 [ 83.952030][ T5029] do_el0_svc+0x58/0x13c [ 83.952731][ T5029] el0_svc+0x78/0x1d0 [ 83.953341][ T5029] el0t_64_sync_handler+0xcc/0xe4 [ 83.954152][ T5029] el0t_64_sync+0x1a0/0x1a4 [ 83.957645][ T5027] CPU: 0 PID: 5027 Comm: syz.0.51 Not tainted syzkaller #0 [ 83.958828][ T5027] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 83.960370][ T5027] Call trace: [ 83.960910][ T5027] dump_backtrace+0x0/0x458 [ 83.961700][ T5027] show_stack+0x2c/0x3c [ 83.962412][ T5027] __dump_stack+0x30/0x40 [ 83.963160][ T5027] dump_stack_lvl+0xf4/0x15c [ 83.963924][ T5027] dump_stack+0x1c/0x5c [ 83.964241][ T5023] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.964589][ T5027] sysfs_create_dir_ns+0x244/0x264 [ 83.966726][ T5023] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.967512][ T5027] kobject_add_internal+0x5ac/0xc3c [ 83.969322][ T5027] kobject_init_and_add+0x124/0x190 [ 83.970148][ T5027] gfs2_sys_fs_add+0x200/0x41c [ 83.970930][ T5027] gfs2_fill_super+0xddc/0x1a18 [ 83.971739][ T5027] get_tree_bdev+0x358/0x544 [ 83.972495][ T5027] gfs2_get_tree+0x54/0x1b4 [ 83.973275][ T5027] vfs_get_tree+0x90/0x274 [ 83.973994][ T5027] do_new_mount+0x228/0x810 [ 83.974746][ T5027] path_mount+0x5bc/0x1008 [ 83.975486][ T5027] __arm64_sys_mount+0x514/0x5f0 [ 83.976305][ T5027] invoke_syscall+0x98/0x2b0 [ 83.977063][ T5027] el0_svc_common+0x138/0x258 [ 83.977846][ T5027] do_el0_svc+0x58/0x13c [ 83.978544][ T5027] el0_svc+0x78/0x1d0 [ 83.979170][ T5027] el0t_64_sync_handler+0xcc/0xe4 [ 83.979987][ T5027] el0t_64_sync+0x1a0/0x1a4 [ 83.987238][ T5025] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.989203][ T5025] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.000686][ T5027] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.003647][ T5029] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.005828][ T5029] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.007642][ T5027] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.262701][ T5033] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.263918][ T5033] CPU: 0 PID: 5033 Comm: syz.1.54 Not tainted syzkaller #0 [ 84.264940][ T5033] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 84.266402][ T5033] Call trace: [ 84.266906][ T5033] dump_backtrace+0x0/0x458 [ 84.267580][ T5033] show_stack+0x2c/0x3c [ 84.268181][ T5033] __dump_stack+0x30/0x40 [ 84.268808][ T5033] dump_stack_lvl+0xf4/0x15c [ 84.269449][ T5033] dump_stack+0x1c/0x5c [ 84.270039][ T5033] sysfs_create_dir_ns+0x244/0x264 [ 84.270778][ T5033] kobject_add_internal+0x5ac/0xc3c [ 84.271539][ T5033] kobject_init_and_add+0x124/0x190 [ 84.272275][ T5033] gfs2_sys_fs_add+0x200/0x41c [ 84.272949][ T5033] gfs2_fill_super+0xddc/0x1a18 [ 84.273648][ T5033] get_tree_bdev+0x358/0x544 [ 84.274311][ T5033] gfs2_get_tree+0x54/0x1b4 [ 84.274940][ T5033] vfs_get_tree+0x90/0x274 [ 84.275575][ T5033] do_new_mount+0x228/0x810 [ 84.276215][ T5033] path_mount+0x5bc/0x1008 [ 84.276926][ T5033] __arm64_sys_mount+0x514/0x5f0 [ 84.277672][ T5033] invoke_syscall+0x98/0x2b0 [ 84.278339][ T5033] el0_svc_common+0x138/0x258 [ 84.278989][ T5033] do_el0_svc+0x58/0x13c [ 84.279585][ T5033] el0_svc+0x78/0x1d0 [ 84.280165][ T5033] el0t_64_sync_handler+0xcc/0xe4 [ 84.280869][ T5033] el0t_64_sync+0x1a0/0x1a4 [ 84.283325][ T5033] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.285326][ T5033] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.286394][ T5031] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.287434][ T5031] CPU: 1 PID: 5031 Comm: syz.4.53 Not tainted syzkaller #0 [ 84.288149][ T5027] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.288563][ T5031] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 84.291058][ T5031] Call trace: [ 84.291569][ T5031] dump_backtrace+0x0/0x458 [ 84.292303][ T5031] show_stack+0x2c/0x3c [ 84.292981][ T5031] __dump_stack+0x30/0x40 [ 84.293680][ T5031] dump_stack_lvl+0xf4/0x15c [ 84.294394][ T5031] dump_stack+0x1c/0x5c [ 84.295046][ T5031] sysfs_create_dir_ns+0x244/0x264 [ 84.295857][ T5031] kobject_add_internal+0x5ac/0xc3c [ 84.296745][ T5031] kobject_init_and_add+0x124/0x190 [ 84.297594][ T5031] gfs2_sys_fs_add+0x200/0x41c [ 84.298432][ T5031] gfs2_fill_super+0xddc/0x1a18 [ 84.299202][ T5031] get_tree_bdev+0x358/0x544 [ 84.299942][ T5031] gfs2_get_tree+0x54/0x1b4 [ 84.300707][ T5031] vfs_get_tree+0x90/0x274 [ 84.301421][ T5031] do_new_mount+0x228/0x810 [ 84.302153][ T5031] path_mount+0x5bc/0x1008 [ 84.302962][ T5031] __arm64_sys_mount+0x514/0x5f0 [ 84.303792][ T5031] invoke_syscall+0x98/0x2b0 [ 84.304509][ T5031] el0_svc_common+0x138/0x258 [ 84.305257][ T5031] do_el0_svc+0x58/0x13c [ 84.305983][ T5031] el0_svc+0x78/0x1d0 [ 84.306624][ T5031] el0t_64_sync_handler+0xcc/0xe4 [ 84.307422][ T5031] el0t_64_sync+0x1a0/0x1a4 [ 84.308130][ T5027] CPU: 0 PID: 5027 Comm: syz.0.51 Not tainted syzkaller #0 [ 84.309276][ T5027] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 84.310014][ T5031] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.310805][ T5027] Call trace: [ 84.313233][ T5031] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.313439][ T5027] dump_backtrace+0x0/0x458 [ 84.315069][ T5027] show_stack+0x2c/0x3c [ 84.315731][ T5027] __dump_stack+0x30/0x40 [ 84.316430][ T5027] dump_stack_lvl+0xf4/0x15c [ 84.317109][ T5027] dump_stack+0x1c/0x5c [ 84.317774][ T5027] sysfs_create_dir_ns+0x244/0x264 [ 84.318519][ T5027] kobject_add_internal+0x5ac/0xc3c [ 84.319353][ T5027] kobject_init_and_add+0x124/0x190 [ 84.320150][ T5027] gfs2_sys_fs_add+0x200/0x41c [ 84.320990][ T5027] gfs2_fill_super+0xddc/0x1a18 [ 84.321766][ T5027] get_tree_bdev+0x358/0x544 [ 84.322478][ T5027] gfs2_get_tree+0x54/0x1b4 [ 84.323173][ T5027] vfs_get_tree+0x90/0x274 [ 84.323868][ T5027] do_new_mount+0x228/0x810 [ 84.324574][ T5027] path_mount+0x5bc/0x1008 [ 84.325272][ T5027] __arm64_sys_mount+0x514/0x5f0 [ 84.326067][ T5027] invoke_syscall+0x98/0x2b0 [ 84.326789][ T5027] el0_svc_common+0x138/0x258 [ 84.327542][ T5027] do_el0_svc+0x58/0x13c [ 84.328260][ T5027] el0_svc+0x78/0x1d0 [ 84.328912][ T5027] el0t_64_sync_handler+0xcc/0xe4 [ 84.329686][ T5027] el0t_64_sync+0x1a0/0x1a4 [ 84.342970][ T5029] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.344109][ T5029] CPU: 1 PID: 5029 Comm: syz.2.52 Not tainted syzkaller #0 [ 84.345216][ T5029] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 84.346804][ T5029] Call trace: [ 84.347332][ T5029] dump_backtrace+0x0/0x458 [ 84.348073][ T5029] show_stack+0x2c/0x3c [ 84.348779][ T5029] __dump_stack+0x30/0x40 [ 84.349417][ T5029] dump_stack_lvl+0xf4/0x15c [ 84.350096][ T5029] dump_stack+0x1c/0x5c [ 84.350773][ T5029] sysfs_create_dir_ns+0x244/0x264 [ 84.351647][ T5029] kobject_add_internal+0x5ac/0xc3c [ 84.352512][ T5029] kobject_init_and_add+0x124/0x190 [ 84.353352][ T5029] gfs2_sys_fs_add+0x200/0x41c [ 84.354059][ T5029] gfs2_fill_super+0xddc/0x1a18 [ 84.354891][ T5029] get_tree_bdev+0x358/0x544 [ 84.355648][ T5029] gfs2_get_tree+0x54/0x1b4 [ 84.356430][ T5029] vfs_get_tree+0x90/0x274 [ 84.357185][ T5029] do_new_mount+0x228/0x810 [ 84.357949][ T5029] path_mount+0x5bc/0x1008 [ 84.358672][ T5029] __arm64_sys_mount+0x514/0x5f0 [ 84.359494][ T5029] invoke_syscall+0x98/0x2b0 [ 84.360235][ T5029] el0_svc_common+0x138/0x258 [ 84.361031][ T5029] do_el0_svc+0x58/0x13c [ 84.361387][ T5027] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.361708][ T5029] el0_svc+0x78/0x1d0 [ 84.363843][ T5027] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.364385][ T5029] el0t_64_sync_handler+0xcc/0xe4 [ 84.364401][ T5029] el0t_64_sync+0x1a0/0x1a4 [ 84.422403][ T5029] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.431953][ T5029] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.575442][ T5031] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.576766][ T5031] CPU: 1 PID: 5031 Comm: syz.4.53 Not tainted syzkaller #0 [ 84.577980][ T5031] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 84.579704][ T5031] Call trace: [ 84.580246][ T5031] dump_backtrace+0x0/0x458 [ 84.580992][ T5031] show_stack+0x2c/0x3c [ 84.581630][ T5031] __dump_stack+0x30/0x40 [ 84.582377][ T5031] dump_stack_lvl+0xf4/0x15c [ 84.583139][ T5031] dump_stack+0x1c/0x5c [ 84.583812][ T5031] sysfs_create_dir_ns+0x244/0x264 [ 84.584658][ T5031] kobject_add_internal+0x5ac/0xc3c [ 84.585482][ T5031] kobject_init_and_add+0x124/0x190 [ 84.586310][ T5031] gfs2_sys_fs_add+0x200/0x41c [ 84.587083][ T5031] gfs2_fill_super+0xddc/0x1a18 [ 84.587810][ T5031] get_tree_bdev+0x358/0x544 [ 84.588529][ T5031] gfs2_get_tree+0x54/0x1b4 [ 84.589207][ T5031] vfs_get_tree+0x90/0x274 [ 84.589890][ T5031] do_new_mount+0x228/0x810 [ 84.590584][ T5031] path_mount+0x5bc/0x1008 [ 84.591272][ T5031] __arm64_sys_mount+0x514/0x5f0 [ 84.592044][ T5031] invoke_syscall+0x98/0x2b0 [ 84.592756][ T5031] el0_svc_common+0x138/0x258 [ 84.593481][ T5031] do_el0_svc+0x58/0x13c [ 84.594131][ T5031] el0_svc+0x78/0x1d0 [ 84.594759][ T5031] el0t_64_sync_handler+0xcc/0xe4 [ 84.595543][ T5031] el0t_64_sync+0x1a0/0x1a4 [ 84.602955][ T5033] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.604060][ T5033] CPU: 1 PID: 5033 Comm: syz.1.54 Not tainted syzkaller #0 [ 84.605204][ T5033] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 84.606779][ T5033] Call trace: [ 84.607293][ T5033] dump_backtrace+0x0/0x458 [ 84.608090][ T5033] show_stack+0x2c/0x3c [ 84.608823][ T5033] __dump_stack+0x30/0x40 [ 84.609570][ T5033] dump_stack_lvl+0xf4/0x15c [ 84.610336][ T5033] dump_stack+0x1c/0x5c [ 84.611017][ T5033] sysfs_create_dir_ns+0x244/0x264 [ 84.611827][ T5033] kobject_add_internal+0x5ac/0xc3c [ 84.612684][ T5033] kobject_init_and_add+0x124/0x190 [ 84.613530][ T5033] gfs2_sys_fs_add+0x200/0x41c [ 84.614327][ T5033] gfs2_fill_super+0xddc/0x1a18 [ 84.615093][ T5033] get_tree_bdev+0x358/0x544 [ 84.615882][ T5033] gfs2_get_tree+0x54/0x1b4 [ 84.616636][ T5033] vfs_get_tree+0x90/0x274 [ 84.617353][ T5033] do_new_mount+0x228/0x810 [ 84.618080][ T5033] path_mount+0x5bc/0x1008 [ 84.618776][ T5033] __arm64_sys_mount+0x514/0x5f0 [ 84.619585][ T5033] invoke_syscall+0x98/0x2b0 [ 84.620359][ T5033] el0_svc_common+0x138/0x258 [ 84.621096][ T5033] do_el0_svc+0x58/0x13c [ 84.621817][ T5033] el0_svc+0x78/0x1d0 [ 84.622489][ T5033] el0t_64_sync_handler+0xcc/0xe4 [ 84.623287][ T5033] el0t_64_sync+0x1a0/0x1a4 [ 84.642036][ T5031] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.644092][ T5031] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.645352][ T5033] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.647493][ T5033] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.672686][ T5035] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.673928][ T5035] CPU: 0 PID: 5035 Comm: syz.0.55 Not tainted syzkaller #0 [ 84.674998][ T5035] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 84.676681][ T5035] Call trace: [ 84.677195][ T5035] dump_backtrace+0x0/0x458 [ 84.677964][ T5035] show_stack+0x2c/0x3c [ 84.678675][ T5035] __dump_stack+0x30/0x40 [ 84.679374][ T5035] dump_stack_lvl+0xf4/0x15c [ 84.680130][ T5035] dump_stack+0x1c/0x5c [ 84.680811][ T5035] sysfs_create_dir_ns+0x244/0x264 [ 84.681695][ T5035] kobject_add_internal+0x5ac/0xc3c [ 84.682522][ T5035] kobject_init_and_add+0x124/0x190 [ 84.683332][ T5035] gfs2_sys_fs_add+0x200/0x41c [ 84.684075][ T5035] gfs2_fill_super+0xddc/0x1a18 [ 84.684843][ T5035] get_tree_bdev+0x358/0x544 [ 84.685605][ T5035] gfs2_get_tree+0x54/0x1b4 [ 84.686363][ T5035] vfs_get_tree+0x90/0x274 [ 84.687077][ T5035] do_new_mount+0x228/0x810 [ 84.687807][ T5035] path_mount+0x5bc/0x1008 [ 84.688486][ T5035] __arm64_sys_mount+0x514/0x5f0 [ 84.689185][ T5035] invoke_syscall+0x98/0x2b0 [ 84.689880][ T5035] el0_svc_common+0x138/0x258 [ 84.690587][ T5035] do_el0_svc+0x58/0x13c [ 84.691198][ T5035] el0_svc+0x78/0x1d0 [ 84.691778][ T5035] el0t_64_sync_handler+0xcc/0xe4 [ 84.692553][ T5035] el0t_64_sync+0x1a0/0x1a4 [ 84.695569][ T5035] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.697408][ T5035] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.704463][ T5037] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.705694][ T5037] CPU: 1 PID: 5037 Comm: syz.2.56 Not tainted syzkaller #0 [ 84.706886][ T5037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 84.708583][ T5037] Call trace: [ 84.709174][ T5037] dump_backtrace+0x0/0x458 [ 84.709940][ T5037] show_stack+0x2c/0x3c [ 84.710599][ T5037] __dump_stack+0x30/0x40 [ 84.711225][ T5037] dump_stack_lvl+0xf4/0x15c [ 84.711942][ T5037] dump_stack+0x1c/0x5c [ 84.712661][ T5037] sysfs_create_dir_ns+0x244/0x264 [ 84.713488][ T5037] kobject_add_internal+0x5ac/0xc3c [ 84.714371][ T5037] kobject_init_and_add+0x124/0x190 [ 84.715181][ T5037] gfs2_sys_fs_add+0x200/0x41c [ 84.715989][ T5037] gfs2_fill_super+0xddc/0x1a18 [ 84.716740][ T5037] get_tree_bdev+0x358/0x544 [ 84.717468][ T5037] gfs2_get_tree+0x54/0x1b4 [ 84.718207][ T5037] vfs_get_tree+0x90/0x274 [ 84.718948][ T5037] do_new_mount+0x228/0x810 [ 84.719724][ T5037] path_mount+0x5bc/0x1008 [ 84.720430][ T5037] __arm64_sys_mount+0x514/0x5f0 [ 84.721241][ T5037] invoke_syscall+0x98/0x2b0 [ 84.721954][ T5037] el0_svc_common+0x138/0x258 [ 84.722718][ T5037] do_el0_svc+0x58/0x13c [ 84.723438][ T5037] el0_svc+0x78/0x1d0 [ 84.724099][ T5037] el0t_64_sync_handler+0xcc/0xe4 [ 84.724954][ T5037] el0t_64_sync+0x1a0/0x1a4 [ 84.735849][ T5037] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.737955][ T5037] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.864688][ T5035] set_capacity_and_notify: 43 callbacks suppressed [ 84.864698][ T5035] loop0: detected capacity change from 0 to 32768 [ 84.907039][ T5035] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.908165][ T5035] CPU: 1 PID: 5035 Comm: syz.0.55 Not tainted syzkaller #0 [ 84.909254][ T5035] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 84.910760][ T5035] Call trace: [ 84.911253][ T5035] dump_backtrace+0x0/0x458 [ 84.911940][ T5035] show_stack+0x2c/0x3c [ 84.912637][ T5035] __dump_stack+0x30/0x40 [ 84.913295][ T5035] dump_stack_lvl+0xf4/0x15c [ 84.914092][ T5035] dump_stack+0x1c/0x5c [ 84.914800][ T5035] sysfs_create_dir_ns+0x244/0x264 [ 84.915645][ T5035] kobject_add_internal+0x5ac/0xc3c [ 84.916495][ T5035] kobject_init_and_add+0x124/0x190 [ 84.917340][ T5035] gfs2_sys_fs_add+0x200/0x41c [ 84.918124][ T5035] gfs2_fill_super+0xddc/0x1a18 [ 84.918918][ T5035] get_tree_bdev+0x358/0x544 [ 84.919682][ T5035] gfs2_get_tree+0x54/0x1b4 [ 84.920397][ T5035] vfs_get_tree+0x90/0x274 [ 84.921113][ T5035] do_new_mount+0x228/0x810 [ 84.921834][ T5035] path_mount+0x5bc/0x1008 [ 84.922543][ T5035] __arm64_sys_mount+0x514/0x5f0 [ 84.923395][ T5035] invoke_syscall+0x98/0x2b0 [ 84.924124][ T5035] el0_svc_common+0x138/0x258 [ 84.924884][ T5035] do_el0_svc+0x58/0x13c [ 84.925534][ T5035] el0_svc+0x78/0x1d0 [ 84.926153][ T5035] el0t_64_sync_handler+0xcc/0xe4 [ 84.927011][ T5035] el0t_64_sync+0x1a0/0x1a4 [ 84.952009][ T5035] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.954034][ T5035] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.985604][ T5039] loop1: detected capacity change from 0 to 32768 [ 85.018915][ T5039] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 85.019867][ T5041] loop4: detected capacity change from 0 to 32768 [ 85.020060][ T5039] CPU: 1 PID: 5039 Comm: syz.1.57 Not tainted syzkaller #0 [ 85.022129][ T5039] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 85.023709][ T5039] Call trace: [ 85.024224][ T5039] dump_backtrace+0x0/0x458 [ 85.024931][ T5039] show_stack+0x2c/0x3c [ 85.025569][ T5039] __dump_stack+0x30/0x40 [ 85.026252][ T5039] dump_stack_lvl+0xf4/0x15c [ 85.026999][ T5039] dump_stack+0x1c/0x5c [ 85.027675][ T5039] sysfs_create_dir_ns+0x244/0x264 [ 85.028519][ T5039] kobject_add_internal+0x5ac/0xc3c [ 85.029341][ T5039] kobject_init_and_add+0x124/0x190 [ 85.030153][ T5039] gfs2_sys_fs_add+0x200/0x41c [ 85.030898][ T5039] gfs2_fill_super+0xddc/0x1a18 [ 85.031674][ T5039] get_tree_bdev+0x358/0x544 [ 85.032399][ T5039] gfs2_get_tree+0x54/0x1b4 [ 85.033076][ T5039] vfs_get_tree+0x90/0x274 [ 85.033737][ T5039] do_new_mount+0x228/0x810 [ 85.034451][ T5039] path_mount+0x5bc/0x1008 [ 85.035181][ T5039] __arm64_sys_mount+0x514/0x5f0 [ 85.035968][ T5039] invoke_syscall+0x98/0x2b0 [ 85.036687][ T5039] el0_svc_common+0x138/0x258 [ 85.037419][ T5039] do_el0_svc+0x58/0x13c [ 85.038087][ T5039] el0_svc+0x78/0x1d0 [ 85.038743][ T5039] el0t_64_sync_handler+0xcc/0xe4 [ 85.039540][ T5039] el0t_64_sync+0x1a0/0x1a4 [ 85.043020][ T5037] loop2: detected capacity change from 0 to 32768 [ 85.044234][ T5039] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 85.046307][ T5039] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 85.062957][ T5041] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 85.064228][ T5041] CPU: 0 PID: 5041 Comm: syz.4.58 Not tainted syzkaller #0 [ 85.065387][ T5041] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 85.067050][ T5041] Call trace: [ 85.067579][ T5041] dump_backtrace+0x0/0x458 [ 85.068351][ T5041] show_stack+0x2c/0x3c [ 85.069038][ T5041] __dump_stack+0x30/0x40 [ 85.069747][ T5041] dump_stack_lvl+0xf4/0x15c [ 85.070530][ T5041] dump_stack+0x1c/0x5c [ 85.071225][ T5041] sysfs_create_dir_ns+0x244/0x264 [ 85.072110][ T5041] kobject_add_internal+0x5ac/0xc3c [ 85.072942][ T5041] kobject_init_and_add+0x124/0x190 [ 85.073759][ T5041] gfs2_sys_fs_add+0x200/0x41c [ 85.074540][ T5041] gfs2_fill_super+0xddc/0x1a18 [ 85.075342][ T5041] get_tree_bdev+0x358/0x544 [ 85.076183][ T5041] gfs2_get_tree+0x54/0x1b4 [ 85.076947][ T5041] vfs_get_tree+0x90/0x274 [ 85.077707][ T5041] do_new_mount+0x228/0x810 [ 85.078463][ T5041] path_mount+0x5bc/0x1008 [ 85.079194][ T5041] __arm64_sys_mount+0x514/0x5f0 [ 85.079975][ T5041] invoke_syscall+0x98/0x2b0 [ 85.080744][ T5041] el0_svc_common+0x138/0x258 [ 85.081533][ T5041] do_el0_svc+0x58/0x13c [ 85.082219][ T5041] el0_svc+0x78/0x1d0 [ 85.082867][ T5041] el0t_64_sync_handler+0xcc/0xe4 [ 85.083712][ T5041] el0t_64_sync+0x1a0/0x1a4 [ 85.093073][ T5037] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 85.094247][ T5037] CPU: 1 PID: 5037 Comm: syz.2.56 Not tainted syzkaller #0 [ 85.095332][ T5037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 85.096881][ T5037] Call trace: [ 85.097373][ T5037] dump_backtrace+0x0/0x458 [ 85.098085][ T5037] show_stack+0x2c/0x3c [ 85.098740][ T5037] __dump_stack+0x30/0x40 [ 85.099411][ T5037] dump_stack_lvl+0xf4/0x15c [ 85.100118][ T5037] dump_stack+0x1c/0x5c [ 85.100791][ T5037] sysfs_create_dir_ns+0x244/0x264 [ 85.101636][ T5037] kobject_add_internal+0x5ac/0xc3c [ 85.102494][ T5037] kobject_init_and_add+0x124/0x190 [ 85.103330][ T5037] gfs2_sys_fs_add+0x200/0x41c [ 85.104109][ T5037] gfs2_fill_super+0xddc/0x1a18 [ 85.104869][ T5037] get_tree_bdev+0x358/0x544 [ 85.105615][ T5037] gfs2_get_tree+0x54/0x1b4 [ 85.106334][ T5037] vfs_get_tree+0x90/0x274 [ 85.107027][ T5037] do_new_mount+0x228/0x810 [ 85.107104][ T5041] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 85.107700][ T5037] path_mount+0x5bc/0x1008 [ 85.109774][ T5041] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 85.110408][ T5037] __arm64_sys_mount+0x514/0x5f0 [ 85.112157][ T5037] invoke_syscall+0x98/0x2b0 [ 85.112949][ T5037] el0_svc_common+0x138/0x258 [ 85.113687][ T5037] do_el0_svc+0x58/0x13c [ 85.114370][ T5037] el0_svc+0x78/0x1d0 [ 85.115025][ T5037] el0t_64_sync_handler+0xcc/0xe4 [ 85.116100][ T5037] el0t_64_sync+0x1a0/0x1a4 [ 85.142829][ T5037] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 85.144943][ T5037] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 85.277073][ T5039] loop1: detected capacity change from 0 to 32768 [ 85.312906][ T5039] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 85.314126][ T5039] CPU: 1 PID: 5039 Comm: syz.1.57 Not tainted syzkaller #0 [ 85.315350][ T5039] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 85.316960][ T5039] Call trace: [ 85.317481][ T5039] dump_backtrace+0x0/0x458 [ 85.318219][ T5039] show_stack+0x2c/0x3c [ 85.318896][ T5039] __dump_stack+0x30/0x40 [ 85.319557][ T5039] dump_stack_lvl+0xf4/0x15c [ 85.320261][ T5039] dump_stack+0x1c/0x5c [ 85.320886][ T5039] sysfs_create_dir_ns+0x244/0x264 [ 85.321667][ T5039] kobject_add_internal+0x5ac/0xc3c [ 85.322525][ T5039] kobject_init_and_add+0x124/0x190 [ 85.323390][ T5039] gfs2_sys_fs_add+0x200/0x41c [ 85.324137][ T5039] gfs2_fill_super+0xddc/0x1a18 [ 85.324894][ T5039] get_tree_bdev+0x358/0x544 [ 85.325609][ T5039] gfs2_get_tree+0x54/0x1b4 [ 85.326313][ T5039] vfs_get_tree+0x90/0x274 [ 85.327026][ T5039] do_new_mount+0x228/0x810 [ 85.327805][ T5039] path_mount+0x5bc/0x1008 [ 85.328565][ T5039] __arm64_sys_mount+0x514/0x5f0 [ 85.329385][ T5039] invoke_syscall+0x98/0x2b0 [ 85.330122][ T5039] el0_svc_common+0x138/0x258 [ 85.330878][ T5039] do_el0_svc+0x58/0x13c [ 85.331585][ T5039] el0_svc+0x78/0x1d0 [ 85.332262][ T5039] el0t_64_sync_handler+0xcc/0xe4 [ 85.333131][ T5039] el0t_64_sync+0x1a0/0x1a4 [ 85.372990][ T5039] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 85.375125][ T5039] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 85.381651][ T5041] loop4: detected capacity change from 0 to 32768 [ 85.397092][ T5043] loop0: detected capacity change from 0 to 32768 [ 85.399384][ T5045] loop2: detected capacity change from 0 to 32768 [ 85.432802][ T5045] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 85.432934][ T5041] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 85.433902][ T5045] CPU: 1 PID: 5045 Comm: syz.2.60 Not tainted syzkaller #0 [ 85.436182][ T5045] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 85.437820][ T5045] Call trace: [ 85.438346][ T5045] dump_backtrace+0x0/0x458 [ 85.439070][ T5045] show_stack+0x2c/0x3c [ 85.439726][ T5045] __dump_stack+0x30/0x40 [ 85.440404][ T5045] dump_stack_lvl+0xf4/0x15c [ 85.441149][ T5045] dump_stack+0x1c/0x5c [ 85.441792][ T5045] sysfs_create_dir_ns+0x244/0x264 [ 85.442583][ T5045] kobject_add_internal+0x5ac/0xc3c [ 85.443389][ T5045] kobject_init_and_add+0x124/0x190 [ 85.444180][ T5045] gfs2_sys_fs_add+0x200/0x41c [ 85.444912][ T5045] gfs2_fill_super+0xddc/0x1a18 [ 85.445660][ T5045] get_tree_bdev+0x358/0x544 [ 85.446362][ T5045] gfs2_get_tree+0x54/0x1b4 [ 85.447046][ T5045] vfs_get_tree+0x90/0x274 [ 85.447736][ T5045] do_new_mount+0x228/0x810 [ 85.448434][ T5045] path_mount+0x5bc/0x1008 [ 85.449108][ T5045] __arm64_sys_mount+0x514/0x5f0 [ 85.449893][ T5045] invoke_syscall+0x98/0x2b0 [ 85.450613][ T5045] el0_svc_common+0x138/0x258 [ 85.451359][ T5045] do_el0_svc+0x58/0x13c [ 85.452012][ T5045] el0_svc+0x78/0x1d0 [ 85.452580][ T5045] el0t_64_sync_handler+0xcc/0xe4 [ 85.453344][ T5045] el0t_64_sync+0x1a0/0x1a4 [ 85.454029][ T5041] CPU: 0 PID: 5041 Comm: syz.4.58 Not tainted syzkaller #0 [ 85.455072][ T5041] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 85.456513][ T5041] Call trace: [ 85.457034][ T5041] dump_backtrace+0x0/0x458 [ 85.457755][ T5041] show_stack+0x2c/0x3c [ 85.458428][ T5041] __dump_stack+0x30/0x40 [ 85.459135][ T5041] dump_stack_lvl+0xf4/0x15c [ 85.459870][ T5041] dump_stack+0x1c/0x5c [ 85.460541][ T5041] sysfs_create_dir_ns+0x244/0x264 [ 85.461382][ T5041] kobject_add_internal+0x5ac/0xc3c [ 85.462225][ T5041] kobject_init_and_add+0x124/0x190 [ 85.463021][ T5041] gfs2_sys_fs_add+0x200/0x41c [ 85.463753][ T5041] gfs2_fill_super+0xddc/0x1a18 [ 85.464572][ T5041] get_tree_bdev+0x358/0x544 [ 85.465374][ T5041] gfs2_get_tree+0x54/0x1b4 [ 85.466155][ T5041] vfs_get_tree+0x90/0x274 [ 85.466851][ T5041] do_new_mount+0x228/0x810 [ 85.467562][ T5041] path_mount+0x5bc/0x1008 [ 85.468269][ T5041] __arm64_sys_mount+0x514/0x5f0 [ 85.469033][ T5041] invoke_syscall+0x98/0x2b0 [ 85.469765][ T5041] el0_svc_common+0x138/0x258 [ 85.470471][ T5041] do_el0_svc+0x58/0x13c [ 85.471153][ T5041] el0_svc+0x78/0x1d0 [ 85.471807][ T5041] el0t_64_sync_handler+0xcc/0xe4 [ 85.472636][ T5041] el0t_64_sync+0x1a0/0x1a4 [ 85.472816][ T5045] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 85.473640][ T5043] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 85.476592][ T5043] CPU: 0 PID: 5043 Comm: syz.0.59 Not tainted syzkaller #0 [ 85.477815][ T5043] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 85.478858][ T5045] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 85.479461][ T5043] Call trace: [ 85.480968][ T5043] dump_backtrace+0x0/0x458 [ 85.481726][ T5043] show_stack+0x2c/0x3c [ 85.482436][ T5043] __dump_stack+0x30/0x40 [ 85.483120][ T5043] dump_stack_lvl+0xf4/0x15c [ 85.483873][ T5043] dump_stack+0x1c/0x5c [ 85.484569][ T5043] sysfs_create_dir_ns+0x244/0x264 [ 85.485419][ T5043] kobject_add_internal+0x5ac/0xc3c [ 85.486270][ T5043] kobject_init_and_add+0x124/0x190 [ 85.487148][ T5043] gfs2_sys_fs_add+0x200/0x41c [ 85.487943][ T5043] gfs2_fill_super+0xddc/0x1a18 [ 85.488701][ T5043] get_tree_bdev+0x358/0x544 [ 85.489464][ T5043] gfs2_get_tree+0x54/0x1b4 [ 85.490201][ T5043] vfs_get_tree+0x90/0x274 [ 85.490892][ T5043] do_new_mount+0x228/0x810 [ 85.491604][ T5043] path_mount+0x5bc/0x1008 [ 85.492301][ T5043] __arm64_sys_mount+0x514/0x5f0 [ 85.493076][ T5043] invoke_syscall+0x98/0x2b0 [ 85.493769][ T5043] el0_svc_common+0x138/0x258 [ 85.494510][ T5043] do_el0_svc+0x58/0x13c [ 85.495124][ T5043] el0_svc+0x78/0x1d0 [ 85.495735][ T5043] el0t_64_sync_handler+0xcc/0xe4 [ 85.496594][ T5043] el0t_64_sync+0x1a0/0x1a4 [ 85.524742][ T5043] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 85.528555][ T5043] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 85.542802][ T5041] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 85.544664][ T5041] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 85.676747][ T5045] loop2: detected capacity change from 0 to 32768 [ 85.712717][ T5045] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 85.713930][ T5045] CPU: 1 PID: 5045 Comm: syz.2.60 Not tainted syzkaller #0 [ 85.715013][ T5045] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 85.716527][ T5045] Call trace: [ 85.717041][ T5045] dump_backtrace+0x0/0x458 [ 85.717733][ T5045] show_stack+0x2c/0x3c [ 85.718416][ T5045] __dump_stack+0x30/0x40 [ 85.719127][ T5045] dump_stack_lvl+0xf4/0x15c [ 85.719876][ T5045] dump_stack+0x1c/0x5c [ 85.720600][ T5045] sysfs_create_dir_ns+0x244/0x264 [ 85.721421][ T5045] kobject_add_internal+0x5ac/0xc3c [ 85.722272][ T5045] kobject_init_and_add+0x124/0x190 [ 85.723167][ T5045] gfs2_sys_fs_add+0x200/0x41c [ 85.723926][ T5045] gfs2_fill_super+0xddc/0x1a18 [ 85.724734][ T5045] get_tree_bdev+0x358/0x544 [ 85.725430][ T5045] gfs2_get_tree+0x54/0x1b4 [ 85.726081][ T5045] vfs_get_tree+0x90/0x274 [ 85.726724][ T5045] do_new_mount+0x228/0x810 [ 85.727462][ T5045] path_mount+0x5bc/0x1008 [ 85.728171][ T5045] __arm64_sys_mount+0x514/0x5f0 [ 85.728992][ T5045] invoke_syscall+0x98/0x2b0 [ 85.729708][ T5045] el0_svc_common+0x138/0x258 [ 85.730423][ T5045] do_el0_svc+0x58/0x13c [ 85.731077][ T5045] el0_svc+0x78/0x1d0 [ 85.731717][ T5045] el0t_64_sync_handler+0xcc/0xe4 [ 85.732553][ T5045] el0t_64_sync+0x1a0/0x1a4 [ 85.750874][ T5047] loop1: detected capacity change from 0 to 32768 [ 85.754675][ T5047] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 85.755879][ T5047] CPU: 1 PID: 5047 Comm: syz.1.61 Not tainted syzkaller #0 [ 85.757068][ T5047] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 85.758751][ T5047] Call trace: [ 85.759249][ T5047] dump_backtrace+0x0/0x458 [ 85.760005][ T5047] show_stack+0x2c/0x3c [ 85.760700][ T5047] __dump_stack+0x30/0x40 [ 85.761450][ T5047] dump_stack_lvl+0xf4/0x15c [ 85.762266][ T5047] dump_stack+0x1c/0x5c [ 85.762949][ T5047] sysfs_create_dir_ns+0x244/0x264 [ 85.763794][ T5047] kobject_add_internal+0x5ac/0xc3c [ 85.764638][ T5047] kobject_init_and_add+0x124/0x190 [ 85.765514][ T5047] gfs2_sys_fs_add+0x200/0x41c [ 85.766337][ T5047] gfs2_fill_super+0xddc/0x1a18 [ 85.767139][ T5047] get_tree_bdev+0x358/0x544 [ 85.767877][ T5047] gfs2_get_tree+0x54/0x1b4 [ 85.768599][ T5047] vfs_get_tree+0x90/0x274 [ 85.769306][ T5047] do_new_mount+0x228/0x810 [ 85.770058][ T5047] path_mount+0x5bc/0x1008 [ 85.770786][ T5047] __arm64_sys_mount+0x514/0x5f0 [ 85.771607][ T5047] invoke_syscall+0x98/0x2b0 [ 85.772344][ T5047] el0_svc_common+0x138/0x258 [ 85.773093][ T5047] do_el0_svc+0x58/0x13c [ 85.773760][ T5047] el0_svc+0x78/0x1d0 [ 85.774388][ T5047] el0t_64_sync_handler+0xcc/0xe4 [ 85.775219][ T5047] el0t_64_sync+0x1a0/0x1a4 [ 85.779937][ T5045] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 85.782045][ T5045] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 85.792793][ T5047] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 85.794856][ T5047] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 85.823513][ T5043] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 85.824637][ T5043] CPU: 0 PID: 5043 Comm: syz.0.59 Not tainted syzkaller #0 [ 85.825762][ T5043] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 85.827317][ T5043] Call trace: [ 85.827817][ T5043] dump_backtrace+0x0/0x458 [ 85.828505][ T5043] show_stack+0x2c/0x3c [ 85.829107][ T5043] __dump_stack+0x30/0x40 [ 85.829761][ T5043] dump_stack_lvl+0xf4/0x15c [ 85.830502][ T5043] dump_stack+0x1c/0x5c [ 85.831128][ T5043] sysfs_create_dir_ns+0x244/0x264 [ 85.831935][ T5043] kobject_add_internal+0x5ac/0xc3c [ 85.832738][ T5043] kobject_init_and_add+0x124/0x190 [ 85.833540][ T5043] gfs2_sys_fs_add+0x200/0x41c [ 85.834286][ T5043] gfs2_fill_super+0xddc/0x1a18 [ 85.835046][ T5043] get_tree_bdev+0x358/0x544 [ 85.835768][ T5043] gfs2_get_tree+0x54/0x1b4 [ 85.836463][ T5043] vfs_get_tree+0x90/0x274 [ 85.837179][ T5043] do_new_mount+0x228/0x810 [ 85.837907][ T5043] path_mount+0x5bc/0x1008 [ 85.838643][ T5043] __arm64_sys_mount+0x514/0x5f0 [ 85.839497][ T5043] invoke_syscall+0x98/0x2b0 [ 85.840235][ T5043] el0_svc_common+0x138/0x258 [ 85.840990][ T5043] do_el0_svc+0x58/0x13c [ 85.841705][ T5043] el0_svc+0x78/0x1d0 [ 85.842339][ T5043] el0t_64_sync_handler+0xcc/0xe4 [ 85.843144][ T5043] el0t_64_sync+0x1a0/0x1a4 [ 85.868484][ T5043] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 85.870767][ T5043] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 85.879236][ T5049] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 85.884964][ T5049] CPU: 0 PID: 5049 Comm: syz.4.62 Not tainted syzkaller #0 [ 85.885997][ T5049] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 85.887503][ T5049] Call trace: [ 85.888043][ T5049] dump_backtrace+0x0/0x458 [ 85.888765][ T5049] show_stack+0x2c/0x3c [ 85.889429][ T5049] __dump_stack+0x30/0x40 [ 85.890125][ T5049] dump_stack_lvl+0xf4/0x15c [ 85.890853][ T5049] dump_stack+0x1c/0x5c [ 85.891509][ T5049] sysfs_create_dir_ns+0x244/0x264 [ 85.892357][ T5049] kobject_add_internal+0x5ac/0xc3c [ 85.893182][ T5049] kobject_init_and_add+0x124/0x190 [ 85.893998][ T5049] gfs2_sys_fs_add+0x200/0x41c [ 85.894796][ T5049] gfs2_fill_super+0xddc/0x1a18 [ 85.895567][ T5049] get_tree_bdev+0x358/0x544 [ 85.896298][ T5049] gfs2_get_tree+0x54/0x1b4 [ 85.896994][ T5049] vfs_get_tree+0x90/0x274 [ 85.897722][ T5049] do_new_mount+0x228/0x810 [ 85.898506][ T5049] path_mount+0x5bc/0x1008 [ 85.899277][ T5049] __arm64_sys_mount+0x514/0x5f0 [ 85.900145][ T5049] invoke_syscall+0x98/0x2b0 [ 85.900908][ T5049] el0_svc_common+0x138/0x258 [ 85.901715][ T5049] do_el0_svc+0x58/0x13c [ 85.902429][ T5049] el0_svc+0x78/0x1d0 [ 85.903062][ T5049] el0t_64_sync_handler+0xcc/0xe4 [ 85.903868][ T5049] el0t_64_sync+0x1a0/0x1a4 [ 85.943830][ T5049] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 85.949102][ T5049] gfs2: fsid=syz:syz: error -17 adding sysfs files