Warning: Permanently added '10.128.1.179' (ED25519) to the list of known hosts. 1970/01/01 00:01:00 parsed 1 programs [ 62.271222][ T4721] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 67.409064][ T1684] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.410297][ T1684] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 67.412678][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 67.422934][ T1684] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.424269][ T1684] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 67.426138][ T1684] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 67.464848][ T4767] chnl_net:caif_netlink_parms(): no params data found [ 67.623862][ T4767] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.625203][ T4767] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.626842][ T4767] device bridge_slave_0 entered promiscuous mode [ 67.629461][ T4767] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.630773][ T4767] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.632742][ T4767] device bridge_slave_1 entered promiscuous mode [ 67.642732][ T4767] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.645802][ T4767] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.677853][ T4767] team0: Port device team_slave_0 added [ 67.680053][ T4767] team0: Port device team_slave_1 added [ 67.691016][ T4767] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 67.692379][ T4767] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 67.697471][ T4767] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 67.700005][ T4767] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 67.701148][ T4767] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 67.705716][ T4767] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 67.782666][ T4767] device hsr_slave_0 entered promiscuous mode [ 67.821614][ T4767] device hsr_slave_1 entered promiscuous mode [ 67.896009][ T4767] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 67.923980][ T4767] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 67.973415][ T4767] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 68.014087][ T4767] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 68.117592][ T4767] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.119061][ T4767] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.120392][ T4767] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.121613][ T4767] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.139702][ T4767] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.145067][ T1684] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.146759][ T1684] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.148294][ T1684] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.154504][ T4767] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.162801][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.164479][ T148] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.165750][ T148] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.167146][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.168577][ T148] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.169733][ T148] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.173206][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.175670][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.177257][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.180781][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.184876][ T4767] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 68.186971][ T4767] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.190347][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.228750][ T1684] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.230090][ T1684] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.234828][ T4767] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.242830][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 68.249641][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 68.252090][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 68.253538][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 68.256430][ T4767] device veth0_vlan entered promiscuous mode [ 68.259959][ T4767] device veth1_vlan entered promiscuous mode [ 68.268690][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 68.270230][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 68.272671][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 68.275842][ T4767] device veth0_macvtap entered promiscuous mode [ 68.278656][ T4767] device veth1_macvtap entered promiscuous mode [ 68.286076][ T4767] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 68.287455][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 68.289005][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 68.293768][ T4767] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 68.295071][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 68.296695][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 68.299372][ T4767] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.300696][ T4767] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.303738][ T4767] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.305187][ T4767] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:01:08 executed programs: 0 [ 68.585884][ T4816] chnl_net:caif_netlink_parms(): no params data found [ 68.599983][ T4821] chnl_net:caif_netlink_parms(): no params data found [ 68.644164][ T4816] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.645505][ T4816] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.647185][ T4816] device bridge_slave_0 entered promiscuous mode [ 68.659219][ T4825] chnl_net:caif_netlink_parms(): no params data found [ 68.675443][ T4816] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.683486][ T4816] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.685894][ T4816] device bridge_slave_1 entered promiscuous mode [ 68.696338][ T4821] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.697584][ T4821] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.699191][ T4821] device bridge_slave_0 entered promiscuous mode [ 68.706380][ T4821] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.707534][ T4821] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.709232][ T4821] device bridge_slave_1 entered promiscuous mode [ 68.738931][ T4816] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.755628][ T4816] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.992653][ T4821] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.998169][ T4821] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.003158][ T4820] chnl_net:caif_netlink_parms(): no params data found [ 69.019215][ T4825] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.020419][ T4825] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.022331][ T4825] device bridge_slave_0 entered promiscuous mode [ 69.026034][ T344] netdevsim netdevsim1 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 69.029660][ T4816] team0: Port device team_slave_0 added [ 69.037943][ T4825] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.039423][ T4825] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.041075][ T4825] device bridge_slave_1 entered promiscuous mode [ 69.046447][ T4816] team0: Port device team_slave_1 added [ 69.049870][ T4821] team0: Port device team_slave_0 added [ 69.064728][ T4821] team0: Port device team_slave_1 added [ 69.067135][ T4828] chnl_net:caif_netlink_parms(): no params data found [ 69.070107][ T4825] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.081234][ T4825] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.090017][ T4820] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.091251][ T4820] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.092993][ T4820] device bridge_slave_0 entered promiscuous mode [ 69.094944][ T4816] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 69.096053][ T4816] 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. [ 69.100480][ T4816] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 69.106032][ T4816] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 69.107269][ T4816] 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. [ 69.111887][ T4816] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 69.120303][ T4820] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.125141][ T4820] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.126703][ T4820] device bridge_slave_1 entered promiscuous mode [ 69.128977][ T4821] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 69.130217][ T4821] 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. [ 69.134987][ T4821] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 69.143410][ T4825] team0: Port device team_slave_0 added [ 69.145397][ T4825] team0: Port device team_slave_1 added [ 69.149041][ T4821] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 69.150168][ T4821] 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. [ 69.154653][ T4821] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 69.168859][ T4820] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.171798][ T4820] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.177649][ T4825] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 69.178830][ T4825] 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. [ 69.183353][ T4825] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 69.185903][ T4825] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 69.186951][ T4825] 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. [ 69.191159][ T4825] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 69.222735][ T4816] device hsr_slave_0 entered promiscuous mode [ 69.261643][ T4816] device hsr_slave_1 entered promiscuous mode [ 69.301383][ T4816] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.302650][ T4816] Cannot create hsr debugfs directory [ 69.313617][ T4828] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.314889][ T4828] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.316507][ T4828] device bridge_slave_0 entered promiscuous mode [ 69.362462][ T4821] device hsr_slave_0 entered promiscuous mode [ 69.401671][ T4821] device hsr_slave_1 entered promiscuous mode [ 69.441446][ T4821] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.442802][ T4821] Cannot create hsr debugfs directory [ 69.447484][ T4820] team0: Port device team_slave_0 added [ 69.472477][ T4825] device hsr_slave_0 entered promiscuous mode [ 69.511654][ T4825] device hsr_slave_1 entered promiscuous mode [ 69.551462][ T4825] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.552740][ T4825] Cannot create hsr debugfs directory [ 69.554411][ T4828] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.555570][ T4828] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.557120][ T4828] device bridge_slave_1 entered promiscuous mode [ 69.562630][ T4820] team0: Port device team_slave_1 added [ 69.579430][ T4828] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.591789][ T4828] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.607628][ T4820] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 69.608898][ T4820] 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. [ 69.613748][ T4820] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 69.622717][ T2064] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.624684][ T1539] cfg80211: failed to load regulatory.db [ 69.631465][ T2064] ieee802154 phy1 wpan1: encryption failed: -22 [ 69.648170][ T4828] team0: Port device team_slave_0 added [ 69.650078][ T4828] team0: Port device team_slave_1 added [ 69.657634][ T4820] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 69.658830][ T4820] 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. [ 69.663830][ T4820] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 69.685306][ T4828] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 69.686428][ T4828] 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. [ 69.691010][ T4828] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 69.711718][ T4828] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 69.712897][ T4828] 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. [ 69.717154][ T4828] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 69.776116][ T4820] device hsr_slave_0 entered promiscuous mode [ 69.821583][ T4820] device hsr_slave_1 entered promiscuous mode [ 69.881450][ T4820] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.882686][ T4820] Cannot create hsr debugfs directory [ 69.962440][ T4828] device hsr_slave_0 entered promiscuous mode [ 70.001641][ T4828] device hsr_slave_1 entered promiscuous mode [ 70.051420][ T4828] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 70.052612][ T4828] Cannot create hsr debugfs directory [ 70.501696][ T4226] Bluetooth: hci3: command 0x0409 tx timeout [ 70.501698][ T1539] Bluetooth: hci2: command 0x0409 tx timeout [ 70.501918][ T1539] Bluetooth: hci1: command 0x0409 tx timeout [ 70.504865][ T1539] Bluetooth: hci0: command 0x0409 tx timeout [ 70.581522][ T4226] Bluetooth: hci4: command 0x0409 tx timeout [ 71.124262][ T344] netdevsim netdevsim1 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 72.591703][ T4226] Bluetooth: hci0: command 0x041b tx timeout [ 72.592836][ T4226] Bluetooth: hci1: command 0x041b tx timeout [ 72.593921][ T4226] Bluetooth: hci3: command 0x041b tx timeout [ 72.594903][ T4226] Bluetooth: hci2: command 0x041b tx timeout [ 72.661409][ T4226] Bluetooth: hci4: command 0x041b tx timeout [ 73.695201][ T344] netdevsim netdevsim1 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 73.755689][ T344] netdevsim netdevsim1 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 74.661396][ T4878] Bluetooth: hci2: command 0x040f tx timeout [ 74.662573][ T4878] Bluetooth: hci3: command 0x040f tx timeout [ 74.663700][ T4878] Bluetooth: hci1: command 0x040f tx timeout [ 74.664736][ T4878] Bluetooth: hci0: command 0x040f tx timeout [ 74.741401][ T4878] Bluetooth: hci4: command 0x040f tx timeout [ 76.095203][ T4820] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 76.125896][ T4820] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 76.203124][ T4820] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 76.255016][ T4820] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 76.346818][ T4820] 8021q: adding VLAN 0 to HW filter on device bond0 [ 76.350886][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 76.353133][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 76.360176][ T4820] 8021q: adding VLAN 0 to HW filter on device team0 [ 76.362953][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 76.364554][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 76.366102][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.367362][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.368671][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 76.376355][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 76.378251][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 76.379925][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.381113][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 76.391156][ T4820] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 76.394880][ T4820] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 76.397727][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 76.399470][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 76.401335][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 76.404043][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 76.405763][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 76.407832][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 76.409414][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 76.411005][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 76.413870][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 76.415491][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 76.417004][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 76.418518][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 76.509821][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 76.511330][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 76.515069][ T4820] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 76.521087][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 76.523589][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 76.531776][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 76.533273][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 76.535111][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 76.536463][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 76.538526][ T4820] device veth0_vlan entered promiscuous mode [ 76.544785][ T4820] device veth1_vlan entered promiscuous mode [ 76.560655][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 76.566599][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 76.568213][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 76.569789][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 76.572390][ T4820] device veth0_macvtap entered promiscuous mode [ 76.575343][ T4820] device veth1_macvtap entered promiscuous mode [ 76.580371][ T4820] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 76.582675][ T4820] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 76.584939][ T4820] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 76.586213][ T4859] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 76.587746][ T4859] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 76.589543][ T4859] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 76.591092][ T4859] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 76.596144][ T4820] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 76.597933][ T4820] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 76.600030][ T4820] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 76.601281][ T4859] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 76.602998][ T4859] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 76.606331][ T4820] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.607870][ T4820] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.609356][ T4820] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.610809][ T4820] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.654737][ T4821] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 76.692959][ T4821] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 76.741495][ T4880] Bluetooth: hci0: command 0x0419 tx timeout [ 76.742679][ T4880] Bluetooth: hci1: command 0x0419 tx timeout [ 76.743780][ T4880] Bluetooth: hci3: command 0x0419 tx timeout [ 76.744861][ T4880] Bluetooth: hci2: command 0x0419 tx timeout [ 76.756222][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 76.757599][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 76.758948][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 76.765187][ T4821] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 76.802625][ T4821] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 76.821755][ T4880] Bluetooth: hci4: command 0x0419 tx timeout [ 76.831007][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 76.832492][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 76.837505][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:01:16 executed programs: 10 [ 76.864005][ T4825] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 76.925642][ T4825] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 76.966930][ T4825] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 77.039644][ T5067] loop2: detected capacity change from 0 to 32768 [ 77.062122][ T4816] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 77.074245][ T5067] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 77.078320][ T5067] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 77.084448][ T4825] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 77.105551][ T5067] gfs2: fsid=syz:syz.s: journal 0 mapped with 1 extents in 0ms [ 77.125838][ T4828] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 77.157931][ T5067] gfs2: fsid=syz:syz.s: first mount done, others may mount [ 77.182641][ T4816] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 77.222668][ T4816] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 77.269655][ T4821] 8021q: adding VLAN 0 to HW filter on device bond0 [ 77.286437][ T4828] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 77.316277][ T4816] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 77.367248][ T4828] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 77.402683][ T4828] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 77.426360][ T4821] 8021q: adding VLAN 0 to HW filter on device team0 [ 77.463021][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 77.464669][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 77.466025][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 77.467707][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 77.469251][ T1604] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.470376][ T1604] bridge0: port 1(bridge_slave_0) entered forwarding state [ 77.497491][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 77.500368][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 77.502234][ T1604] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.503344][ T1604] bridge0: port 2(bridge_slave_1) entered forwarding state [ 77.504830][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 77.506525][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 77.508281][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 77.510020][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 77.512259][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 77.513720][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 77.548436][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 77.550265][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 77.555350][ T4821] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 77.556981][ T4821] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 77.569122][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 77.570641][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 77.572943][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 77.574489][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 77.576289][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 77.596716][ T4825] 8021q: adding VLAN 0 to HW filter on device bond0 [ 77.600665][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 77.602156][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 77.657925][ T4816] 8021q: adding VLAN 0 to HW filter on device bond0 [ 77.662306][ T4825] 8021q: adding VLAN 0 to HW filter on device team0 [ 77.702347][ T4816] 8021q: adding VLAN 0 to HW filter on device team0 [ 77.705677][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 77.707352][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 77.708900][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.710057][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 77.711702][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 77.714181][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 77.715980][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 77.726585][ T5113] loop2: detected capacity change from 0 to 32768 [ 77.743637][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 77.745345][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 77.746772][ T1604] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.747984][ T1604] bridge0: port 2(bridge_slave_1) entered forwarding state [ 77.749401][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 77.750770][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 77.753341][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 77.755130][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 77.756804][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 77.758334][ T1604] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.759424][ T1604] bridge0: port 1(bridge_slave_0) entered forwarding state [ 77.761177][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 77.766886][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 77.768462][ T1604] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.769583][ T1604] bridge0: port 2(bridge_slave_1) entered forwarding state [ 77.773680][ T4821] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 77.779282][ T5113] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 77.780682][ T5113] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 77.800975][ T5113] gfs2: fsid=syz:syz.s: journal 0 mapped with 1 extents in 0ms [ 77.844364][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 77.846066][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 77.847629][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 77.849444][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 77.854680][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 77.857494][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 77.861944][ T4828] 8021q: adding VLAN 0 to HW filter on device bond0 [ 77.862376][ T5113] gfs2: fsid=syz:syz.s: first mount done, others may mount [ 77.920503][ T4825] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 77.922803][ T4825] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 77.935038][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 77.936999][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 77.938622][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 77.940241][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 77.953425][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 77.955148][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 77.957124][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 77.958741][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 77.960296][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 77.966397][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 77.968190][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 77.973142][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 77.974787][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 77.987659][ T4816] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 77.989479][ T4816] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 78.018059][ T4828] 8021q: adding VLAN 0 to HW filter on device team0 [ 78.031798][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 78.033416][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 78.034888][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 78.036523][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 78.038053][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 78.039697][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 78.041184][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 78.044431][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 78.050842][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 78.056741][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 78.058354][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 78.063366][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 78.069982][ T148] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.071096][ T148] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.073354][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 78.082704][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 78.084353][ T148] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.085564][ T148] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.087029][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 78.088581][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 78.090061][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 78.092925][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 78.107019][ T4821] device veth0_vlan entered promiscuous mode [ 78.110438][ T4821] device veth1_vlan entered promiscuous mode [ 78.160819][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 78.163366][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 78.164948][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 78.166598][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 78.167831][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 78.176150][ T1684] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 78.190209][ T4825] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 78.222586][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 78.224895][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 78.226611][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 78.228163][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 78.229836][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 78.239972][ T4828] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 78.250632][ T4828] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 78.257055][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 78.258760][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 78.260350][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 78.265741][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 78.273595][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 78.277127][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 78.278502][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 78.294523][ T1684] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 78.296177][ T1684] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 78.297702][ T1684] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 78.299318][ T1684] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 78.305795][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 78.307334][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 78.309163][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 78.310630][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 78.327045][ T4821] device veth0_macvtap entered promiscuous mode [ 78.329431][ T4821] device veth1_macvtap entered promiscuous mode [ 78.338550][ T4816] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 78.346589][ T4825] device veth0_vlan entered promiscuous mode [ 78.376093][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 78.377772][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 78.379207][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 78.380756][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 78.399323][ T5158] loop2: detected capacity change from 0 to 32768 [ 78.400675][ T4816] device veth0_vlan entered promiscuous mode [ 78.404069][ T4825] device veth1_vlan entered promiscuous mode [ 78.407883][ T4821] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 78.409475][ T4821] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 78.411070][ T4821] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 78.417775][ T4821] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 78.420315][ T4821] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 78.420339][ T5158] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 78.422744][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 78.424739][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 78.426291][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 78.427780][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 78.429279][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 78.430842][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 78.432717][ T5158] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 78.438335][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 78.443801][ T5158] gfs2: fsid=syz:syz.s: journal 0 mapped with 1 extents in 0ms [ 78.445296][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 78.460469][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 78.465950][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 78.488334][ T5158] gfs2: fsid=syz:syz.s: first mount done, others may mount [ 78.488383][ T4828] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 78.492988][ T4821] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 78.494703][ T4821] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 78.496858][ T4821] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 78.498571][ T4821] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 78.501283][ T4821] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 78.510115][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 78.511615][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 78.513676][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 78.515253][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 78.527262][ T4825] device veth0_macvtap entered promiscuous mode [ 78.535648][ T4825] device veth1_macvtap entered promiscuous mode [ 78.544416][ T4821] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.546033][ T4821] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.557778][ T4821] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.559356][ T4821] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.590823][ T4825] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 78.593936][ T4825] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 78.595491][ T4825] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 78.597268][ T4825] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 78.599025][ T4825] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 78.600674][ T4825] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 78.603378][ T4825] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 78.606565][ T4816] device veth1_vlan entered promiscuous mode [ 78.610102][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 78.611942][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 78.613410][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 78.615080][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 78.617578][ T4825] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 78.619386][ T4825] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 78.621018][ T4825] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 78.623508][ T4825] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 78.625140][ T4825] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 78.627053][ T4825] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 78.629351][ T4825] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 78.644419][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 78.646184][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 78.675309][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 78.677093][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 78.699834][ T4816] device veth0_macvtap entered promiscuous mode [ 78.711180][ T4825] netdevsim netdevsim3 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.714401][ T4825] netdevsim netdevsim3 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.715926][ T4825] netdevsim netdevsim3 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.721586][ T4825] netdevsim netdevsim3 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.724582][ T1604] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 78.725850][ T1604] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 78.736585][ T4816] device veth1_macvtap entered promiscuous mode [ 78.747927][ T1684] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 78.749642][ T1684] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 78.752308][ T1684] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 78.772681][ T4816] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 78.774566][ T4816] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 78.776307][ T4816] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 78.778116][ T4816] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 78.779726][ T4816] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 78.787049][ T4816] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 78.788589][ T4816] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 78.790437][ T4816] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 78.793866][ T4816] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 78.799051][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 78.800839][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 78.806805][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 78.808546][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 78.832111][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 78.834021][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 78.834257][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 78.835302][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 78.840585][ T4828] device veth0_vlan entered promiscuous mode [ 78.862843][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 78.864387][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 78.865860][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 78.882288][ T4816] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 78.884150][ T4816] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 78.885756][ T4816] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 78.887439][ T4816] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 78.889124][ T4816] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 78.890952][ T4816] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 78.937030][ T4816] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 78.956861][ T4816] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 78.960150][ T4816] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 78.967085][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 78.968816][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 78.996048][ T4828] device veth1_vlan entered promiscuous mode [ 79.012857][ T4816] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.014483][ T4816] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.015968][ T4816] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.017504][ T4816] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.040075][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 79.041802][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 79.043775][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 79.045381][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 79.046875][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 79.053269][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 79.054796][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 79.060157][ T4828] device veth0_macvtap entered promiscuous mode [ 79.082213][ T4828] device veth1_macvtap entered promiscuous mode [ 79.115369][ T1604] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 79.116825][ T1604] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 79.118358][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 79.119918][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 79.123383][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 79.142426][ T4828] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 79.144282][ T4828] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 79.146001][ T4828] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 79.147883][ T4828] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 79.149592][ T4828] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 79.163147][ T4828] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 79.164759][ T4828] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 79.168798][ T4828] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 79.170481][ T4828] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 79.181384][ T4828] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 79.184137][ T4828] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 79.185337][ T1684] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 79.187202][ T1684] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 79.208813][ T1684] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 79.210142][ T1684] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 79.214087][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 79.286946][ T5206] loop1: detected capacity change from 0 to 32768 [ 79.302381][ T4828] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 79.304229][ T4828] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 79.305916][ T4828] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 79.309344][ T5206] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 79.310694][ T5206] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 79.314498][ T4828] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 79.328218][ T4828] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 79.329989][ T4828] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 79.338192][ T5206] gfs2: fsid=syz:syz.s: journal 0 mapped with 1 extents in 0ms [ 79.346091][ T4828] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 79.347897][ T4828] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 79.349446][ T4828] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 79.351100][ T4828] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 79.371004][ T4828] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 79.379445][ T5209] loop2: detected capacity change from 0 to 32768 [ 79.383190][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 79.384919][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 79.390701][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 79.394349][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 79.395571][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 79.400483][ T4828] netdevsim netdevsim4 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.405544][ T4828] netdevsim netdevsim4 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.407211][ T5206] gfs2: fsid=syz:syz.s: first mount done, others may mount [ 79.408649][ T4828] netdevsim netdevsim4 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.410149][ T4828] netdevsim netdevsim4 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.429459][ T5209] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.430827][ T5209] CPU: 0 PID: 5209 Comm: syz.2.22 Not tainted syzkaller #0 [ 79.432094][ T5209] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.433887][ T5209] Call trace: [ 79.434439][ T5209] dump_backtrace+0x0/0x458 [ 79.435211][ T5209] show_stack+0x2c/0x3c [ 79.435921][ T5209] __dump_stack+0x30/0x40 [ 79.436698][ T5209] dump_stack_lvl+0xf4/0x15c [ 79.437483][ T5209] dump_stack+0x1c/0x5c [ 79.438202][ T5209] sysfs_create_dir_ns+0x244/0x264 [ 79.439011][ T5209] kobject_add_internal+0x5ac/0xc3c [ 79.439865][ T5209] kobject_init_and_add+0x124/0x190 [ 79.440760][ T5209] gfs2_sys_fs_add+0x200/0x41c [ 79.441564][ T5209] gfs2_fill_super+0xddc/0x1a18 [ 79.442387][ T5209] get_tree_bdev+0x358/0x544 [ 79.443180][ T5209] gfs2_get_tree+0x54/0x1b4 [ 79.443942][ T5209] vfs_get_tree+0x90/0x274 [ 79.444725][ T5209] do_new_mount+0x228/0x810 [ 79.445485][ T5209] path_mount+0x5bc/0x1008 [ 79.446239][ T5209] __arm64_sys_mount+0x514/0x5f0 [ 79.447096][ T5209] invoke_syscall+0x98/0x2b0 [ 79.447859][ T5209] el0_svc_common+0x138/0x258 [ 79.448661][ T5209] do_el0_svc+0x58/0x13c [ 79.449403][ T5209] el0_svc+0x78/0x1d0 [ 79.450077][ T5209] el0t_64_sync_handler+0xcc/0xe4 [ 79.450911][ T5209] el0t_64_sync+0x1a0/0x1a4 [ 79.531806][ T5209] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.544402][ T5209] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.560102][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 79.561339][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 79.563754][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 79.630486][ T1684] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 79.632119][ T1684] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 79.635504][ T1684] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 79.817725][ T5223] loop3: detected capacity change from 0 to 32768 [ 79.891217][ T5223] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.892714][ T5223] CPU: 0 PID: 5223 Comm: syz.3.18 Not tainted syzkaller #0 [ 79.893902][ T5223] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.895664][ T5223] Call trace: [ 79.896202][ T5223] dump_backtrace+0x0/0x458 [ 79.897001][ T5223] show_stack+0x2c/0x3c [ 79.897704][ T5223] __dump_stack+0x30/0x40 [ 79.898400][ T5223] dump_stack_lvl+0xf4/0x15c [ 79.899197][ T5223] dump_stack+0x1c/0x5c [ 79.899947][ T5223] sysfs_create_dir_ns+0x244/0x264 [ 79.900797][ T5223] kobject_add_internal+0x5ac/0xc3c [ 79.901673][ T5223] kobject_init_and_add+0x124/0x190 [ 79.902604][ T5223] gfs2_sys_fs_add+0x200/0x41c [ 79.903408][ T5223] gfs2_fill_super+0xddc/0x1a18 [ 79.904271][ T5223] get_tree_bdev+0x358/0x544 [ 79.905105][ T5223] gfs2_get_tree+0x54/0x1b4 [ 79.905907][ T5223] vfs_get_tree+0x90/0x274 [ 79.906691][ T5223] do_new_mount+0x228/0x810 [ 79.907429][ T5223] path_mount+0x5bc/0x1008 [ 79.908190][ T5223] __arm64_sys_mount+0x514/0x5f0 [ 79.909011][ T5223] invoke_syscall+0x98/0x2b0 [ 79.909730][ T5223] el0_svc_common+0x138/0x258 [ 79.910508][ T5223] do_el0_svc+0x58/0x13c [ 79.911230][ T5223] el0_svc+0x78/0x1d0 [ 79.911903][ T5223] el0t_64_sync_handler+0xcc/0xe4 [ 79.912793][ T5223] el0t_64_sync+0x1a0/0x1a4 [ 79.969245][ T5223] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.001803][ T5223] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.020887][ T344] device hsr_slave_0 left promiscuous mode [ 80.062895][ T344] device hsr_slave_1 left promiscuous mode [ 80.112316][ T5229] loop0: detected capacity change from 0 to 32768 [ 80.114184][ T5209] loop2: detected capacity change from 0 to 32768 [ 80.133348][ T5229] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 80.134668][ T5229] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 80.151936][ T344] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 80.153198][ T344] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 80.153572][ T5209] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.155736][ T5209] CPU: 0 PID: 5209 Comm: syz.2.22 Not tainted syzkaller #0 [ 80.156801][ T5209] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.158436][ T5209] Call trace: [ 80.158991][ T5209] dump_backtrace+0x0/0x458 [ 80.159765][ T5209] show_stack+0x2c/0x3c [ 80.160416][ T5209] __dump_stack+0x30/0x40 [ 80.161061][ T5209] dump_stack_lvl+0xf4/0x15c [ 80.161793][ T5209] dump_stack+0x1c/0x5c [ 80.162501][ T5209] sysfs_create_dir_ns+0x244/0x264 [ 80.163343][ T5209] kobject_add_internal+0x5ac/0xc3c [ 80.164240][ T5209] kobject_init_and_add+0x124/0x190 [ 80.165066][ T5209] gfs2_sys_fs_add+0x200/0x41c [ 80.165826][ T5209] gfs2_fill_super+0xddc/0x1a18 [ 80.166693][ T5209] get_tree_bdev+0x358/0x544 [ 80.167509][ T5209] gfs2_get_tree+0x54/0x1b4 [ 80.168273][ T5209] vfs_get_tree+0x90/0x274 [ 80.169063][ T5209] do_new_mount+0x228/0x810 [ 80.169860][ T5209] path_mount+0x5bc/0x1008 [ 80.170560][ T5209] __arm64_sys_mount+0x514/0x5f0 [ 80.171428][ T5209] invoke_syscall+0x98/0x2b0 [ 80.172189][ T5209] el0_svc_common+0x138/0x258 [ 80.172996][ T5209] do_el0_svc+0x58/0x13c [ 80.173738][ T5209] el0_svc+0x78/0x1d0 [ 80.174380][ T5209] el0t_64_sync_handler+0xcc/0xe4 [ 80.175273][ T5209] el0t_64_sync+0x1a0/0x1a4 [ 80.191816][ T344] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 80.193129][ T344] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 80.196236][ T5229] gfs2: fsid=syz:syz.s: journal 0 mapped with 1 extents in 0ms [ 80.215461][ T344] device bridge_slave_1 left promiscuous mode [ 80.216609][ T344] bridge0: port 2(bridge_slave_1) entered disabled state [ 80.222879][ T5238] loop4: detected capacity change from 0 to 32768 [ 80.224279][ T5209] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.226545][ T5209] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.261068][ T5229] gfs2: fsid=syz:syz.s: first mount done, others may mount [ 80.266606][ T5238] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.267798][ T5238] CPU: 0 PID: 5238 Comm: syz.4.19 Not tainted syzkaller #0 [ 80.269004][ T5238] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.270640][ T5238] Call trace: [ 80.271176][ T5238] dump_backtrace+0x0/0x458 [ 80.271948][ T5238] show_stack+0x2c/0x3c [ 80.272649][ T5238] __dump_stack+0x30/0x40 [ 80.273424][ T5238] dump_stack_lvl+0xf4/0x15c [ 80.274257][ T5238] dump_stack+0x1c/0x5c [ 80.274989][ T5238] sysfs_create_dir_ns+0x244/0x264 [ 80.275919][ T5238] kobject_add_internal+0x5ac/0xc3c [ 80.276831][ T5238] kobject_init_and_add+0x124/0x190 [ 80.277727][ T5238] gfs2_sys_fs_add+0x200/0x41c [ 80.278521][ T5238] gfs2_fill_super+0xddc/0x1a18 [ 80.279397][ T5238] get_tree_bdev+0x358/0x544 [ 80.280212][ T5238] gfs2_get_tree+0x54/0x1b4 [ 80.280990][ T5238] vfs_get_tree+0x90/0x274 [ 80.281770][ T5238] do_new_mount+0x228/0x810 [ 80.282594][ T5238] path_mount+0x5bc/0x1008 [ 80.283362][ T5238] __arm64_sys_mount+0x514/0x5f0 [ 80.284245][ T5238] invoke_syscall+0x98/0x2b0 [ 80.285049][ T5238] el0_svc_common+0x138/0x258 [ 80.285796][ T5238] do_el0_svc+0x58/0x13c [ 80.286555][ T5238] el0_svc+0x78/0x1d0 [ 80.286664][ T344] device bridge_slave_0 left promiscuous mode [ 80.287282][ T5238] el0t_64_sync_handler+0xcc/0xe4 [ 80.288366][ T344] bridge0: port 1(bridge_slave_0) entered disabled state [ 80.289108][ T5238] el0t_64_sync+0x1a0/0x1a4 [ 80.364517][ T5238] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.366795][ T5238] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.482320][ T5223] loop3: detected capacity change from 0 to 32768 [ 80.501577][ T344] device veth1_macvtap left promiscuous mode [ 80.502756][ T344] device veth0_macvtap left promiscuous mode [ 80.503832][ T344] device veth1_vlan left promiscuous mode [ 80.504805][ T344] device veth0_vlan left promiscuous mode [ 80.515934][ T5223] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.517234][ T5223] CPU: 0 PID: 5223 Comm: syz.3.18 Not tainted syzkaller #0 [ 80.518490][ T5223] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.520245][ T5223] Call trace: [ 80.520766][ T5223] dump_backtrace+0x0/0x458 [ 80.521553][ T5223] show_stack+0x2c/0x3c [ 80.522308][ T5223] __dump_stack+0x30/0x40 [ 80.523015][ T5223] dump_stack_lvl+0xf4/0x15c [ 80.523806][ T5223] dump_stack+0x1c/0x5c [ 80.524541][ T5223] sysfs_create_dir_ns+0x244/0x264 [ 80.525444][ T5223] kobject_add_internal+0x5ac/0xc3c [ 80.526272][ T5223] kobject_init_and_add+0x124/0x190 [ 80.527151][ T5223] gfs2_sys_fs_add+0x200/0x41c [ 80.527984][ T5223] gfs2_fill_super+0xddc/0x1a18 [ 80.528853][ T5223] get_tree_bdev+0x358/0x544 [ 80.529669][ T5223] gfs2_get_tree+0x54/0x1b4 [ 80.530375][ T5223] vfs_get_tree+0x90/0x274 [ 80.531167][ T5223] do_new_mount+0x228/0x810 [ 80.531943][ T5223] path_mount+0x5bc/0x1008 [ 80.532714][ T5223] __arm64_sys_mount+0x514/0x5f0 [ 80.533579][ T5223] invoke_syscall+0x98/0x2b0 [ 80.534403][ T5223] el0_svc_common+0x138/0x258 [ 80.535190][ T5223] do_el0_svc+0x58/0x13c [ 80.535848][ T5223] el0_svc+0x78/0x1d0 [ 80.536561][ T5223] el0t_64_sync_handler+0xcc/0xe4 [ 80.537411][ T5223] el0t_64_sync+0x1a0/0x1a4 [ 80.597987][ T5223] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.600101][ T5223] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.855589][ T5256] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.856842][ T5256] CPU: 1 PID: 5256 Comm: syz.1.23 Not tainted syzkaller #0 [ 80.858029][ T5256] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.859741][ T5256] Call trace: [ 80.860338][ T5256] dump_backtrace+0x0/0x458 [ 80.861154][ T5256] show_stack+0x2c/0x3c [ 80.861863][ T5256] __dump_stack+0x30/0x40 [ 80.862579][ T5256] dump_stack_lvl+0xf4/0x15c [ 80.863443][ T5256] dump_stack+0x1c/0x5c [ 80.864154][ T5256] sysfs_create_dir_ns+0x244/0x264 [ 80.865049][ T5256] kobject_add_internal+0x5ac/0xc3c [ 80.865988][ T5256] kobject_init_and_add+0x124/0x190 [ 80.866886][ T5256] gfs2_sys_fs_add+0x200/0x41c [ 80.867683][ T5256] gfs2_fill_super+0xddc/0x1a18 [ 80.868509][ T5256] get_tree_bdev+0x358/0x544 [ 80.869316][ T5256] gfs2_get_tree+0x54/0x1b4 [ 80.870074][ T5256] vfs_get_tree+0x90/0x274 [ 80.870797][ T5256] do_new_mount+0x228/0x810 [ 80.871569][ T5256] path_mount+0x5bc/0x1008 [ 80.872299][ T5256] __arm64_sys_mount+0x514/0x5f0 [ 80.873100][ T5256] invoke_syscall+0x98/0x2b0 [ 80.873838][ T5256] el0_svc_common+0x138/0x258 [ 80.874647][ T5256] do_el0_svc+0x58/0x13c [ 80.875439][ T5256] el0_svc+0x78/0x1d0 [ 80.876120][ T5256] el0t_64_sync_handler+0xcc/0xe4 [ 80.876971][ T5256] el0t_64_sync+0x1a0/0x1a4 [ 80.922156][ T5256] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.924504][ T5256] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.928016][ T5265] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.928333][ T5238] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 80.929283][ T5265] CPU: 1 PID: 5265 Comm: syz.2.24 Not tainted syzkaller #0 [ 80.930702][ T5238] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 80.931843][ T5265] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.931853][ T5265] Call trace: [ 80.931858][ T5265] dump_backtrace+0x0/0x458 [ 80.931870][ T5265] show_stack+0x2c/0x3c [ 80.931878][ T5265] __dump_stack+0x30/0x40 [ 80.931888][ T5265] dump_stack_lvl+0xf4/0x15c [ 80.931893][ T5265] dump_stack+0x1c/0x5c [ 80.939100][ T5265] sysfs_create_dir_ns+0x244/0x264 [ 80.940012][ T5265] kobject_add_internal+0x5ac/0xc3c [ 80.940965][ T5265] kobject_init_and_add+0x124/0x190 [ 80.941853][ T5265] gfs2_sys_fs_add+0x200/0x41c [ 80.942695][ T5265] gfs2_fill_super+0xddc/0x1a18 [ 80.943524][ T5265] get_tree_bdev+0x358/0x544 [ 80.944364][ T5265] gfs2_get_tree+0x54/0x1b4 [ 80.945118][ T5265] vfs_get_tree+0x90/0x274 [ 80.945858][ T5265] do_new_mount+0x228/0x810 [ 80.946610][ T5265] path_mount+0x5bc/0x1008 [ 80.947407][ T5265] __arm64_sys_mount+0x514/0x5f0 [ 80.948287][ T5265] invoke_syscall+0x98/0x2b0 [ 80.949027][ T5265] el0_svc_common+0x138/0x258 [ 80.949876][ T5265] do_el0_svc+0x58/0x13c [ 80.950558][ T5265] el0_svc+0x78/0x1d0 [ 80.951208][ T5265] el0t_64_sync_handler+0xcc/0xe4 [ 80.952070][ T5265] el0t_64_sync+0x1a0/0x1a4 [ 80.970076][ T5238] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms [ 80.972828][ T4883] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 80.973981][ T4883] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 81.034770][ T4883] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 60ms [ 81.036457][ T4883] gfs2: fsid=syz:syz.0: jid=0: Done [ 81.037304][ T344] team0 (unregistering): Port device team_slave_1 removed [ 81.040816][ T344] team0 (unregistering): Port device team_slave_0 removed [ 81.045283][ T5238] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 81.065296][ T344] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 81.082958][ T5265] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.096981][ T5265] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.105776][ T5275] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.107147][ T5275] CPU: 0 PID: 5275 Comm: syz.3.25 Not tainted syzkaller #0 [ 81.108357][ T5275] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.110012][ T5275] Call trace: [ 81.110589][ T5275] dump_backtrace+0x0/0x458 [ 81.111351][ T5275] show_stack+0x2c/0x3c [ 81.112084][ T5275] __dump_stack+0x30/0x40 [ 81.112824][ T5275] dump_stack_lvl+0xf4/0x15c [ 81.113664][ T5275] dump_stack+0x1c/0x5c [ 81.114410][ T5275] sysfs_create_dir_ns+0x244/0x264 [ 81.115304][ T5275] kobject_add_internal+0x5ac/0xc3c [ 81.116184][ T5275] kobject_init_and_add+0x124/0x190 [ 81.117109][ T5275] gfs2_sys_fs_add+0x200/0x41c [ 81.117947][ T5275] gfs2_fill_super+0xddc/0x1a18 [ 81.118769][ T5275] get_tree_bdev+0x358/0x544 [ 81.119512][ T5275] gfs2_get_tree+0x54/0x1b4 [ 81.120325][ T5275] vfs_get_tree+0x90/0x274 [ 81.121061][ T5275] do_new_mount+0x228/0x810 [ 81.121813][ T5275] path_mount+0x5bc/0x1008 [ 81.122548][ T5275] __arm64_sys_mount+0x514/0x5f0 [ 81.123359][ T5275] invoke_syscall+0x98/0x2b0 [ 81.124104][ T5275] el0_svc_common+0x138/0x258 [ 81.124868][ T5275] do_el0_svc+0x58/0x13c [ 81.125588][ T5275] el0_svc+0x78/0x1d0 [ 81.126205][ T5275] el0t_64_sync_handler+0xcc/0xe4 [ 81.127124][ T5275] el0t_64_sync+0x1a0/0x1a4 [ 81.128926][ T344] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 81.152304][ T5238] gfs2: fsid=syz:syz.0: can't make FS RW: -5 [ 81.155023][ T149] [ 81.155382][ T149] ====================================================== [ 81.156624][ T149] WARNING: possible circular locking dependency detected [ 81.157849][ T149] syzkaller #0 Not tainted [ 81.158570][ T149] ------------------------------------------------------ [ 81.159740][ T149] kworker/0:1H/149 is trying to acquire lock: [ 81.160771][ T149] ffff0000ef1420e0 (&type->s_umount_key#50){+.+.}-{3:3}, at: freeze_super+0x54/0x36c [ 81.162413][ T149] [ 81.162413][ T149] but task is already holding lock: [ 81.163643][ T149] ffff80001bf17c00 ((work_completion)(&(&gl->gl_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6b8/0x1138 [ 81.165639][ T149] [ 81.165639][ T149] which lock already depends on the new lock. [ 81.165639][ T149] [ 81.167458][ T149] [ 81.167458][ T149] the existing dependency chain (in reverse order) is: [ 81.169052][ T149] [ 81.169052][ T149] -> #2 ((work_completion)(&(&gl->gl_work)->work)){+.+.}-{0:0}: [ 81.170737][ T149] process_one_work+0x6e0/0x1138 [ 81.171671][ T149] worker_thread+0x8f4/0x1034 [ 81.172549][ T149] kthread+0x374/0x454 [ 81.173376][ T149] ret_from_fork+0x10/0x20 [ 81.174243][ T149] [ 81.174243][ T149] -> #1 ((wq_completion)glock_workqueue){+.+.}-{0:0}: [ 81.175804][ T149] flush_workqueue+0x130/0x104c [ 81.176780][ T149] gfs2_gl_hash_clear+0xb0/0x2cc [ 81.177702][ T149] gfs2_put_super+0x614/0x6b4 [ 81.178613][ T149] generic_shutdown_super+0x130/0x2f0 [ 81.179658][ T149] kill_block_super+0x70/0xdc [ 81.180578][ T149] gfs2_kill_sb+0xc0/0xd4 [ 81.181349][ T149] deactivate_locked_super+0xb8/0x134 [ 81.182334][ T149] deactivate_super+0xf0/0x110 [ 81.183217][ T149] cleanup_mnt+0x3b8/0x46c [ 81.184056][ T149] __cleanup_mnt+0x20/0x30 [ 81.184850][ T149] task_work_run+0x12c/0x1d8 [ 81.185704][ T149] do_notify_resume+0x2450/0x309c [ 81.186626][ T149] el0_svc+0xf0/0x1d0 [ 81.187357][ T149] el0t_64_sync_handler+0xcc/0xe4 [ 81.188259][ T149] el0t_64_sync+0x1a0/0x1a4 [ 81.189143][ T149] [ 81.189143][ T149] -> #0 (&type->s_umount_key#50){+.+.}-{3:3}: [ 81.190596][ T149] __lock_acquire+0x2870/0x67ec [ 81.191477][ T149] lock_acquire+0x1f4/0x618 [ 81.192383][ T149] down_write+0xbc/0x12c [ 81.193231][ T149] freeze_super+0x54/0x36c [ 81.194079][ T149] freeze_go_sync+0x128/0x31c [ 81.194948][ T149] do_xmote+0x2ec/0xf58 [ 81.195779][ T149] run_queue+0x3fc/0x698 [ 81.196631][ T149] glock_work_func+0x208/0x440 [ 81.197552][ T149] process_one_work+0x79c/0x1138 [ 81.198528][ T149] worker_thread+0x8f4/0x1034 [ 81.199376][ T149] kthread+0x374/0x454 [ 81.200166][ T149] ret_from_fork+0x10/0x20 [ 81.201013][ T149] [ 81.201013][ T149] other info that might help us debug this: [ 81.201013][ T149] [ 81.202764][ T149] Chain exists of: [ 81.202764][ T149] &type->s_umount_key#50 --> (wq_completion)glock_workqueue --> (work_completion)(&(&gl->gl_work)->work) [ 81.202764][ T149] [ 81.205733][ T149] Possible unsafe locking scenario: [ 81.205733][ T149] [ 81.206981][ T149] CPU0 CPU1 [ 81.207888][ T149] ---- ---- [ 81.208759][ T149] lock((work_completion)(&(&gl->gl_work)->work)); [ 81.209882][ T149] lock((wq_completion)glock_workqueue); [ 81.211325][ T149] lock((work_completion)(&(&gl->gl_work)->work)); [ 81.212864][ T149] lock(&type->s_umount_key#50); [ 81.213721][ T149] [ 81.213721][ T149] *** DEADLOCK *** [ 81.213721][ T149] [ 81.215104][ T149] 2 locks held by kworker/0:1H/149: [ 81.215974][ T149] #0: ffff0000c6910d38 ((wq_completion)glock_workqueue){+.+.}-{0:0}, at: process_one_work+0x678/0x1138 [ 81.217837][ T149] #1: ffff80001bf17c00 ((work_completion)(&(&gl->gl_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6b8/0x1138 [ 81.219843][ T149] [ 81.219843][ T149] stack backtrace: [ 81.220821][ T149] CPU: 0 PID: 149 Comm: kworker/0:1H Not tainted syzkaller #0 [ 81.222100][ T149] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.223906][ T149] Workqueue: glock_workqueue glock_work_func [ 81.224998][ T149] Call trace: [ 81.225532][ T149] dump_backtrace+0x0/0x458 [ 81.226297][ T149] show_stack+0x2c/0x3c [ 81.226969][ T149] __dump_stack+0x30/0x40 [ 81.227733][ T149] dump_stack_lvl+0xf4/0x15c [ 81.228549][ T149] dump_stack+0x1c/0x5c [ 81.229190][ T149] print_circular_bug+0x148/0x1b0 [ 81.230131][ T149] check_noncircular+0x264/0x2f8 [ 81.230997][ T149] __lock_acquire+0x2870/0x67ec [ 81.231826][ T149] lock_acquire+0x1f4/0x618 [ 81.232627][ T149] down_write+0xbc/0x12c [ 81.233384][ T149] freeze_super+0x54/0x36c [ 81.234163][ T149] freeze_go_sync+0x128/0x31c [ 81.234944][ T149] do_xmote+0x2ec/0xf58 [ 81.235619][ T149] run_queue+0x3fc/0x698 [ 81.236317][ T149] glock_work_func+0x208/0x440 [ 81.237115][ T149] process_one_work+0x79c/0x1138 [ 81.237968][ T149] worker_thread+0x8f4/0x1034 [ 81.238791][ T149] kthread+0x374/0x454 [ 81.239579][ T149] ret_from_fork+0x10/0x20 [ 81.251452][ T5275] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.253624][ T5275] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.377326][ T5256] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.378671][ T5256] CPU: 1 PID: 5256 Comm: syz.1.23 Not tainted syzkaller #0 [ 81.379901][ T5256] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.381626][ T5256] Call trace: [ 81.382178][ T5256] dump_backtrace+0x0/0x458 [ 81.382950][ T5256] show_stack+0x2c/0x3c [ 81.383689][ T5256] __dump_stack+0x30/0x40 [ 81.384433][ T5256] dump_stack_lvl+0xf4/0x15c [ 81.385270][ T5256] dump_stack+0x1c/0x5c [ 81.385949][ T5256] sysfs_create_dir_ns+0x244/0x264 [ 81.386887][ T5256] kobject_add_internal+0x5ac/0xc3c [ 81.387806][ T5256] kobject_init_and_add+0x124/0x190 [ 81.388675][ T5256] gfs2_sys_fs_add+0x200/0x41c [ 81.389520][ T5256] gfs2_fill_super+0xddc/0x1a18 [ 81.390414][ T5256] get_tree_bdev+0x358/0x544 [ 81.391177][ T5256] gfs2_get_tree+0x54/0x1b4 [ 81.391963][ T5256] vfs_get_tree+0x90/0x274 [ 81.392711][ T5256] do_new_mount+0x228/0x810 [ 81.393457][ T5256] path_mount+0x5bc/0x1008 [ 81.394201][ T5256] __arm64_sys_mount+0x514/0x5f0 [ 81.395045][ T5256] invoke_syscall+0x98/0x2b0 [ 81.395836][ T5256] el0_svc_common+0x138/0x258 [ 81.396656][ T5256] do_el0_svc+0x58/0x13c [ 81.397407][ T5256] el0_svc+0x78/0x1d0 [ 81.398081][ T5256] el0t_64_sync_handler+0xcc/0xe4 [ 81.398899][ T5256] el0t_64_sync+0x1a0/0x1a4 [ 81.402892][ T344] bond0 (unregistering): Released all slaves [ 81.432782][ T5256] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.434203][ T5278] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.435161][ T5256] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.436384][ T5278] CPU: 1 PID: 5278 Comm: syz.0.26 Not tainted syzkaller #0 [ 81.438754][ T5278] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.440496][ T5278] Call trace: [ 81.441080][ T5278] dump_backtrace+0x0/0x458 [ 81.441837][ T5278] show_stack+0x2c/0x3c [ 81.442535][ T5278] __dump_stack+0x30/0x40 [ 81.443270][ T5278] dump_stack_lvl+0xf4/0x15c [ 81.444014][ T5278] dump_stack+0x1c/0x5c [ 81.444784][ T5278] sysfs_create_dir_ns+0x244/0x264 [ 81.445595][ T5278] kobject_add_internal+0x5ac/0xc3c [ 81.446405][ T5278] kobject_init_and_add+0x124/0x190 [ 81.447244][ T5278] gfs2_sys_fs_add+0x200/0x41c [ 81.448005][ T5278] gfs2_fill_super+0xddc/0x1a18 [ 81.448777][ T5278] get_tree_bdev+0x358/0x544 [ 81.449480][ T5278] gfs2_get_tree+0x54/0x1b4 [ 81.450209][ T5278] vfs_get_tree+0x90/0x274 [ 81.450959][ T5278] do_new_mount+0x228/0x810 [ 81.451775][ T5278] path_mount+0x5bc/0x1008 [ 81.452541][ T5278] __arm64_sys_mount+0x514/0x5f0 [ 81.453402][ T5278] invoke_syscall+0x98/0x2b0 [ 81.454162][ T5278] el0_svc_common+0x138/0x258 [ 81.454933][ T5278] do_el0_svc+0x58/0x13c [ 81.455657][ T5278] el0_svc+0x78/0x1d0 [ 81.456344][ T5278] el0t_64_sync_handler+0xcc/0xe4 [ 81.457217][ T5278] el0t_64_sync+0x1a0/0x1a4 [ 81.462372][ T5265] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.463639][ T5265] CPU: 1 PID: 5265 Comm: syz.2.24 Not tainted syzkaller #0 [ 81.464865][ T5265] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.466497][ T5265] Call trace: [ 81.467038][ T5265] dump_backtrace+0x0/0x458 [ 81.467797][ T5265] show_stack+0x2c/0x3c [ 81.468468][ T5265] __dump_stack+0x30/0x40 [ 81.469237][ T5265] dump_stack_lvl+0xf4/0x15c [ 81.469974][ T5265] dump_stack+0x1c/0x5c [ 81.470675][ T5265] sysfs_create_dir_ns+0x244/0x264 [ 81.471523][ T5265] kobject_add_internal+0x5ac/0xc3c [ 81.472373][ T5265] kobject_init_and_add+0x124/0x190 [ 81.473172][ T5265] gfs2_sys_fs_add+0x200/0x41c [ 81.473958][ T5265] gfs2_fill_super+0xddc/0x1a18 [ 81.474721][ T5265] get_tree_bdev+0x358/0x544 [ 81.475460][ T5265] gfs2_get_tree+0x54/0x1b4 [ 81.476209][ T5265] vfs_get_tree+0x90/0x274 [ 81.476949][ T5265] do_new_mount+0x228/0x810 [ 81.477671][ T5265] path_mount+0x5bc/0x1008 [ 81.478308][ T5265] __arm64_sys_mount+0x514/0x5f0 [ 81.479037][ T5265] invoke_syscall+0x98/0x2b0 [ 81.479863][ T5265] el0_svc_common+0x138/0x258 [ 81.480601][ T5265] do_el0_svc+0x58/0x13c [ 81.480842][ T5278] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.481286][ T5265] el0_svc+0x78/0x1d0 [ 81.484071][ T5265] el0t_64_sync_handler+0xcc/0xe4 [ 81.484351][ T5278] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.484854][ T5265] el0t_64_sync+0x1a0/0x1a4 [ 81.503869][ T5275] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.505151][ T5275] CPU: 0 PID: 5275 Comm: syz.3.25 Not tainted syzkaller #0 [ 81.506395][ T5275] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.507203][ T5265] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.508020][ T5275] Call trace: [ 81.508026][ T5275] dump_backtrace+0x0/0x458 [ 81.511469][ T5275] show_stack+0x2c/0x3c [ 81.512211][ T5275] __dump_stack+0x30/0x40 [ 81.512961][ T5275] dump_stack_lvl+0xf4/0x15c [ 81.513713][ T5275] dump_stack+0x1c/0x5c [ 81.514425][ T5275] sysfs_create_dir_ns+0x244/0x264 [ 81.514542][ T5265] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.515298][ T5275] kobject_add_internal+0x5ac/0xc3c [ 81.517276][ T5275] kobject_init_and_add+0x124/0x190 [ 81.518161][ T5275] gfs2_sys_fs_add+0x200/0x41c [ 81.518960][ T5275] gfs2_fill_super+0xddc/0x1a18 [ 81.519740][ T5275] get_tree_bdev+0x358/0x544 [ 81.520563][ T5275] gfs2_get_tree+0x54/0x1b4 [ 81.521343][ T5275] vfs_get_tree+0x90/0x274 [ 81.522102][ T5275] do_new_mount+0x228/0x810 [ 81.522846][ T5275] path_mount+0x5bc/0x1008 [ 81.523584][ T5275] __arm64_sys_mount+0x514/0x5f0 [ 81.524466][ T5275] invoke_syscall+0x98/0x2b0 [ 81.525287][ T5275] el0_svc_common+0x138/0x258 [ 81.526055][ T5275] do_el0_svc+0x58/0x13c [ 81.526773][ T5275] el0_svc+0x78/0x1d0 [ 81.527499][ T5275] el0t_64_sync_handler+0xcc/0xe4 [ 81.528347][ T5275] el0t_64_sync+0x1a0/0x1a4 [ 81.551673][ T5275] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.578045][ T5275] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.872261][ T5278] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.878777][ T5278] CPU: 1 PID: 5278 Comm: syz.0.26 Not tainted syzkaller #0 [ 81.880064][ T5278] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.881794][ T5278] Call trace: [ 81.882402][ T5278] dump_backtrace+0x0/0x458 [ 81.883185][ T5278] show_stack+0x2c/0x3c [ 81.883869][ T5278] __dump_stack+0x30/0x40 [ 81.884568][ T5278] dump_stack_lvl+0xf4/0x15c [ 81.885329][ T5278] dump_stack+0x1c/0x5c [ 81.886015][ T5278] sysfs_create_dir_ns+0x244/0x264 [ 81.886928][ T5278] kobject_add_internal+0x5ac/0xc3c [ 81.887807][ T5278] kobject_init_and_add+0x124/0x190 [ 81.888726][ T5278] gfs2_sys_fs_add+0x200/0x41c [ 81.889551][ T5278] gfs2_fill_super+0xddc/0x1a18 [ 81.890417][ T5278] get_tree_bdev+0x358/0x544 [ 81.891191][ T5278] gfs2_get_tree+0x54/0x1b4 [ 81.891956][ T5278] vfs_get_tree+0x90/0x274 [ 81.892708][ T5278] do_new_mount+0x228/0x810 [ 81.893451][ T5278] path_mount+0x5bc/0x1008 [ 81.894207][ T5278] __arm64_sys_mount+0x514/0x5f0 [ 81.895075][ T5278] invoke_syscall+0x98/0x2b0 [ 81.895917][ T5278] el0_svc_common+0x138/0x258 [ 81.896713][ T5278] do_el0_svc+0x58/0x13c [ 81.897478][ T5278] el0_svc+0x78/0x1d0 [ 81.898150][ T5278] el0t_64_sync_handler+0xcc/0xe4 [ 81.898994][ T5278] el0t_64_sync+0x1a0/0x1a4 [ 81.904736][ T5284] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.905910][ T5284] CPU: 1 PID: 5284 Comm: syz.1.27 Not tainted syzkaller #0 [ 81.907115][ T5284] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.908824][ T5284] Call trace: [ 81.909420][ T5284] dump_backtrace+0x0/0x458 [ 81.910180][ T5284] show_stack+0x2c/0x3c [ 81.910905][ T5284] __dump_stack+0x30/0x40 [ 81.911651][ T5284] dump_stack_lvl+0xf4/0x15c [ 81.912496][ T5284] dump_stack+0x1c/0x5c [ 81.913159][ T5284] sysfs_create_dir_ns+0x244/0x264 [ 81.914044][ T5284] kobject_add_internal+0x5ac/0xc3c [ 81.914916][ T5284] kobject_init_and_add+0x124/0x190 [ 81.915784][ T5284] gfs2_sys_fs_add+0x200/0x41c [ 81.916573][ T5284] gfs2_fill_super+0xddc/0x1a18 [ 81.917429][ T5284] get_tree_bdev+0x358/0x544 [ 81.918266][ T5284] gfs2_get_tree+0x54/0x1b4 [ 81.919026][ T5284] vfs_get_tree+0x90/0x274 [ 81.919806][ T5284] do_new_mount+0x228/0x810 [ 81.920631][ T5284] path_mount+0x5bc/0x1008 [ 81.921388][ T5284] __arm64_sys_mount+0x514/0x5f0 [ 81.922267][ T5284] invoke_syscall+0x98/0x2b0 [ 81.923057][ T5284] el0_svc_common+0x138/0x258 [ 81.923899][ T5284] do_el0_svc+0x58/0x13c [ 81.924604][ T5284] el0_svc+0x78/0x1d0 [ 81.925268][ T5284] el0t_64_sync_handler+0xcc/0xe4 [ 81.926090][ T5284] el0t_64_sync+0x1a0/0x1a4 [ 81.929790][ T5278] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.935717][ T5290] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.936944][ T5290] CPU: 0 PID: 5290 Comm: syz.3.28 Not tainted syzkaller #0 [ 81.938123][ T5290] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.939811][ T5290] Call trace: [ 81.940355][ T5290] dump_backtrace+0x0/0x458 [ 81.941162][ T5290] show_stack+0x2c/0x3c [ 81.941868][ T5290] __dump_stack+0x30/0x40 [ 81.942652][ T5290] dump_stack_lvl+0xf4/0x15c [ 81.943433][ T5290] dump_stack+0x1c/0x5c [ 81.944140][ T5290] sysfs_create_dir_ns+0x244/0x264 [ 81.944987][ T5290] kobject_add_internal+0x5ac/0xc3c [ 81.945844][ T5290] kobject_init_and_add+0x124/0x190 [ 81.946728][ T5290] gfs2_sys_fs_add+0x200/0x41c [ 81.947575][ T5290] gfs2_fill_super+0xddc/0x1a18 [ 81.948366][ T5290] get_tree_bdev+0x358/0x544 [ 81.949154][ T5290] gfs2_get_tree+0x54/0x1b4 [ 81.949889][ T5290] vfs_get_tree+0x90/0x274 [ 81.950636][ T5290] do_new_mount+0x228/0x810 [ 81.951409][ T5290] path_mount+0x5bc/0x1008 [ 81.952176][ T5290] __arm64_sys_mount+0x514/0x5f0 [ 81.953018][ T5290] invoke_syscall+0x98/0x2b0 [ 81.953754][ T5290] el0_svc_common+0x138/0x258 [ 81.954554][ T5290] do_el0_svc+0x58/0x13c [ 81.955271][ T5290] el0_svc+0x78/0x1d0 [ 81.955928][ T5290] el0t_64_sync_handler+0xcc/0xe4 [ 81.956674][ T5284] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.956747][ T5290] el0t_64_sync+0x1a0/0x1a4 [ 81.961316][ T5278] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.963981][ T5294] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.965075][ T5294] CPU: 0 PID: 5294 Comm: syz.2.29 Not tainted syzkaller #0 [ 81.966244][ T5294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.967825][ T5294] Call trace: [ 81.968354][ T5294] dump_backtrace+0x0/0x458 [ 81.969068][ T5294] show_stack+0x2c/0x3c [ 81.969709][ T5294] __dump_stack+0x30/0x40 [ 81.970413][ T5294] dump_stack_lvl+0xf4/0x15c [ 81.971189][ T5294] dump_stack+0x1c/0x5c [ 81.971913][ T5294] sysfs_create_dir_ns+0x244/0x264 [ 81.972725][ T5294] kobject_add_internal+0x5ac/0xc3c [ 81.973545][ T5294] kobject_init_and_add+0x124/0x190 [ 81.974340][ T5294] gfs2_sys_fs_add+0x200/0x41c [ 81.975135][ T5294] gfs2_fill_super+0xddc/0x1a18 [ 81.975884][ T5294] get_tree_bdev+0x358/0x544 [ 81.976603][ T5294] gfs2_get_tree+0x54/0x1b4 [ 81.977335][ T5294] vfs_get_tree+0x90/0x274 [ 81.978052][ T5294] do_new_mount+0x228/0x810 [ 81.978808][ T5294] path_mount+0x5bc/0x1008 [ 81.979523][ T5294] __arm64_sys_mount+0x514/0x5f0 [ 81.980356][ T5294] invoke_syscall+0x98/0x2b0 [ 81.981116][ T5294] el0_svc_common+0x138/0x258 [ 81.981894][ T5294] do_el0_svc+0x58/0x13c [ 81.982610][ T5294] el0_svc+0x78/0x1d0 [ 81.983287][ T5294] el0t_64_sync_handler+0xcc/0xe4 [ 81.984167][ T5294] el0t_64_sync+0x1a0/0x1a4 [ 81.985213][ T5284] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.992121][ T5290] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.994211][ T5290] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.995332][ T5294] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.997485][ T5294] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:01:22 executed programs: 25 [ 82.212792][ T5284] set_capacity_and_notify: 12 callbacks suppressed [ 82.212801][ T5284] loop1: detected capacity change from 0 to 32768 [ 82.269976][ T5284] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.271182][ T5284] CPU: 1 PID: 5284 Comm: syz.1.27 Not tainted syzkaller #0 [ 82.272400][ T5284] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.274050][ T5284] Call trace: [ 82.274626][ T5284] dump_backtrace+0x0/0x458 [ 82.275335][ T5284] show_stack+0x2c/0x3c [ 82.275981][ T5284] __dump_stack+0x30/0x40 [ 82.276708][ T5284] dump_stack_lvl+0xf4/0x15c [ 82.277462][ T5284] dump_stack+0x1c/0x5c [ 82.278165][ T5284] sysfs_create_dir_ns+0x244/0x264 [ 82.279071][ T5284] kobject_add_internal+0x5ac/0xc3c [ 82.279941][ T5284] kobject_init_and_add+0x124/0x190 [ 82.280816][ T5284] gfs2_sys_fs_add+0x200/0x41c [ 82.281148][ T5290] loop3: detected capacity change from 0 to 32768 [ 82.281612][ T5284] gfs2_fill_super+0xddc/0x1a18 [ 82.281628][ T5284] get_tree_bdev+0x358/0x544 [ 82.281634][ T5284] gfs2_get_tree+0x54/0x1b4 [ 82.281639][ T5284] vfs_get_tree+0x90/0x274 [ 82.285720][ T5284] do_new_mount+0x228/0x810 [ 82.286489][ T5284] path_mount+0x5bc/0x1008 [ 82.287317][ T5284] __arm64_sys_mount+0x514/0x5f0 [ 82.288127][ T5284] invoke_syscall+0x98/0x2b0 [ 82.288891][ T5284] el0_svc_common+0x138/0x258 [ 82.289686][ T5284] do_el0_svc+0x58/0x13c [ 82.290368][ T5284] el0_svc+0x78/0x1d0 [ 82.291053][ T5284] el0t_64_sync_handler+0xcc/0xe4 [ 82.291907][ T5284] el0t_64_sync+0x1a0/0x1a4 [ 82.304105][ T5294] loop2: detected capacity change from 0 to 32768 [ 82.318855][ T5284] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.321173][ T5284] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.333047][ T5294] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.334372][ T5294] CPU: 0 PID: 5294 Comm: syz.2.29 Not tainted syzkaller #0 [ 82.335587][ T5294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.337332][ T5294] Call trace: [ 82.337846][ T5294] dump_backtrace+0x0/0x458 [ 82.338605][ T5294] show_stack+0x2c/0x3c [ 82.339272][ T5294] __dump_stack+0x30/0x40 [ 82.339995][ T5294] dump_stack_lvl+0xf4/0x15c [ 82.340733][ T5294] dump_stack+0x1c/0x5c [ 82.341456][ T5294] sysfs_create_dir_ns+0x244/0x264 [ 82.342404][ T5294] kobject_add_internal+0x5ac/0xc3c [ 82.343262][ T5294] kobject_init_and_add+0x124/0x190 [ 82.344139][ T5294] gfs2_sys_fs_add+0x200/0x41c [ 82.344872][ T5294] gfs2_fill_super+0xddc/0x1a18 [ 82.345721][ T5294] get_tree_bdev+0x358/0x544 [ 82.346456][ T5294] gfs2_get_tree+0x54/0x1b4 [ 82.347212][ T5294] vfs_get_tree+0x90/0x274 [ 82.347920][ T5294] do_new_mount+0x228/0x810 [ 82.348629][ T5294] path_mount+0x5bc/0x1008 [ 82.349353][ T5294] __arm64_sys_mount+0x514/0x5f0 [ 82.350150][ T5294] invoke_syscall+0x98/0x2b0 [ 82.350892][ T5294] el0_svc_common+0x138/0x258 [ 82.351681][ T5294] do_el0_svc+0x58/0x13c [ 82.352323][ T5294] el0_svc+0x78/0x1d0 [ 82.352948][ T5294] el0t_64_sync_handler+0xcc/0xe4 [ 82.353753][ T5294] el0t_64_sync+0x1a0/0x1a4 [ 82.357266][ T5290] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.358454][ T5290] CPU: 0 PID: 5290 Comm: syz.3.28 Not tainted syzkaller #0 [ 82.359610][ T5290] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.361300][ T5290] Call trace: [ 82.361895][ T5290] dump_backtrace+0x0/0x458 [ 82.362628][ T5290] show_stack+0x2c/0x3c [ 82.363288][ T5290] __dump_stack+0x30/0x40 [ 82.364040][ T5290] dump_stack_lvl+0xf4/0x15c [ 82.364804][ T5290] dump_stack+0x1c/0x5c [ 82.365505][ T5290] sysfs_create_dir_ns+0x244/0x264 [ 82.366370][ T5290] kobject_add_internal+0x5ac/0xc3c [ 82.367254][ T5290] kobject_init_and_add+0x124/0x190 [ 82.368162][ T5290] gfs2_sys_fs_add+0x200/0x41c [ 82.368946][ T5290] gfs2_fill_super+0xddc/0x1a18 [ 82.369772][ T5290] get_tree_bdev+0x358/0x544 [ 82.370565][ T5290] gfs2_get_tree+0x54/0x1b4 [ 82.371339][ T5290] vfs_get_tree+0x90/0x274 [ 82.372083][ T5290] do_new_mount+0x228/0x810 [ 82.372833][ T5290] path_mount+0x5bc/0x1008 [ 82.373522][ T5290] __arm64_sys_mount+0x514/0x5f0 [ 82.374343][ T5290] invoke_syscall+0x98/0x2b0 [ 82.375088][ T5290] el0_svc_common+0x138/0x258 [ 82.375908][ T5290] do_el0_svc+0x58/0x13c [ 82.376637][ T5290] el0_svc+0x78/0x1d0 [ 82.377264][ T5290] el0t_64_sync_handler+0xcc/0xe4 [ 82.378110][ T5290] el0t_64_sync+0x1a0/0x1a4 [ 82.391578][ T5294] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.393780][ T5294] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.434736][ T5290] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.436814][ T5290] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.491216][ T5320] loop0: detected capacity change from 0 to 32768 [ 82.562047][ T5320] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.563393][ T5320] CPU: 0 PID: 5320 Comm: syz.0.30 Not tainted syzkaller #0 [ 82.564602][ T5320] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.566243][ T5320] Call trace: [ 82.566737][ T5320] dump_backtrace+0x0/0x458 [ 82.567497][ T5320] show_stack+0x2c/0x3c [ 82.568166][ T5320] __dump_stack+0x30/0x40 [ 82.568863][ T5320] dump_stack_lvl+0xf4/0x15c [ 82.569590][ T5320] dump_stack+0x1c/0x5c [ 82.570292][ T5320] sysfs_create_dir_ns+0x244/0x264 [ 82.571144][ T5320] kobject_add_internal+0x5ac/0xc3c [ 82.572017][ T5320] kobject_init_and_add+0x124/0x190 [ 82.572977][ T5320] gfs2_sys_fs_add+0x200/0x41c [ 82.573841][ T5320] gfs2_fill_super+0xddc/0x1a18 [ 82.574654][ T5320] get_tree_bdev+0x358/0x544 [ 82.575424][ T5320] gfs2_get_tree+0x54/0x1b4 [ 82.576199][ T5320] vfs_get_tree+0x90/0x274 [ 82.576956][ T5320] do_new_mount+0x228/0x810 [ 82.577761][ T5320] path_mount+0x5bc/0x1008 [ 82.578488][ T5320] __arm64_sys_mount+0x514/0x5f0 [ 82.579347][ T5320] invoke_syscall+0x98/0x2b0 [ 82.580122][ T5320] el0_svc_common+0x138/0x258 [ 82.580942][ T5320] do_el0_svc+0x58/0x13c [ 82.581675][ T5320] el0_svc+0x78/0x1d0 [ 82.582344][ T5320] el0t_64_sync_handler+0xcc/0xe4 [ 82.583189][ T5320] el0t_64_sync+0x1a0/0x1a4 [ 82.638417][ T5320] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.653323][ T5320] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.789524][ T5339] loop2: detected capacity change from 0 to 32768 [ 82.794643][ T5337] loop1: detected capacity change from 0 to 32768 [ 82.797084][ T5339] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.800035][ T5339] CPU: 1 PID: 5339 Comm: syz.2.32 Not tainted syzkaller #0 [ 82.801347][ T5339] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.802990][ T5339] Call trace: [ 82.803502][ T5339] dump_backtrace+0x0/0x458 [ 82.804266][ T5339] show_stack+0x2c/0x3c [ 82.804978][ T5339] __dump_stack+0x30/0x40 [ 82.805727][ T5339] dump_stack_lvl+0xf4/0x15c [ 82.806473][ T5339] dump_stack+0x1c/0x5c [ 82.807156][ T5339] sysfs_create_dir_ns+0x244/0x264 [ 82.807952][ T5339] kobject_add_internal+0x5ac/0xc3c [ 82.808779][ T5339] kobject_init_and_add+0x124/0x190 [ 82.809548][ T5339] gfs2_sys_fs_add+0x200/0x41c [ 82.810352][ T5339] gfs2_fill_super+0xddc/0x1a18 [ 82.811229][ T5339] get_tree_bdev+0x358/0x544 [ 82.811930][ T5339] gfs2_get_tree+0x54/0x1b4 [ 82.812656][ T5339] vfs_get_tree+0x90/0x274 [ 82.813385][ T5339] do_new_mount+0x228/0x810 [ 82.814106][ T5339] path_mount+0x5bc/0x1008 [ 82.814791][ T5339] __arm64_sys_mount+0x514/0x5f0 [ 82.815620][ T5339] invoke_syscall+0x98/0x2b0 [ 82.816344][ T5339] el0_svc_common+0x138/0x258 [ 82.817084][ T5339] do_el0_svc+0x58/0x13c [ 82.817796][ T5339] el0_svc+0x78/0x1d0 [ 82.818492][ T5339] el0t_64_sync_handler+0xcc/0xe4 [ 82.819384][ T5339] el0t_64_sync+0x1a0/0x1a4 [ 82.821131][ T5337] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.830006][ T5337] CPU: 1 PID: 5337 Comm: syz.1.31 Not tainted syzkaller #0 [ 82.831274][ T5337] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.832970][ T5337] Call trace: [ 82.833517][ T5337] dump_backtrace+0x0/0x458 [ 82.834279][ T5337] show_stack+0x2c/0x3c [ 82.834962][ T5337] __dump_stack+0x30/0x40 [ 82.835697][ T5337] dump_stack_lvl+0xf4/0x15c [ 82.836551][ T5337] dump_stack+0x1c/0x5c [ 82.837275][ T5337] sysfs_create_dir_ns+0x244/0x264 [ 82.838214][ T5337] kobject_add_internal+0x5ac/0xc3c [ 82.839128][ T5337] kobject_init_and_add+0x124/0x190 [ 82.840028][ T5337] gfs2_sys_fs_add+0x200/0x41c [ 82.840856][ T5337] gfs2_fill_super+0xddc/0x1a18 [ 82.841746][ T5337] get_tree_bdev+0x358/0x544 [ 82.842508][ T5337] gfs2_get_tree+0x54/0x1b4 [ 82.843264][ T5337] vfs_get_tree+0x90/0x274 [ 82.844014][ T5337] do_new_mount+0x228/0x810 [ 82.844059][ T5344] loop3: detected capacity change from 0 to 32768 [ 82.844750][ T5337] path_mount+0x5bc/0x1008 [ 82.846579][ T5337] __arm64_sys_mount+0x514/0x5f0 [ 82.847480][ T5337] invoke_syscall+0x98/0x2b0 [ 82.848200][ T5337] el0_svc_common+0x138/0x258 [ 82.849003][ T5337] do_el0_svc+0x58/0x13c [ 82.849735][ T5337] el0_svc+0x78/0x1d0 [ 82.850375][ T5337] el0t_64_sync_handler+0xcc/0xe4 [ 82.851223][ T5337] el0t_64_sync+0x1a0/0x1a4 [ 82.852727][ T5344] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.854044][ T5344] CPU: 0 PID: 5344 Comm: syz.3.33 Not tainted syzkaller #0 [ 82.855213][ T5344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.856927][ T5344] Call trace: [ 82.857498][ T5344] dump_backtrace+0x0/0x458 [ 82.858256][ T5344] show_stack+0x2c/0x3c [ 82.859016][ T5344] __dump_stack+0x30/0x40 [ 82.859729][ T5344] dump_stack_lvl+0xf4/0x15c [ 82.860525][ T5344] dump_stack+0x1c/0x5c [ 82.861228][ T5344] sysfs_create_dir_ns+0x244/0x264 [ 82.862114][ T5344] kobject_add_internal+0x5ac/0xc3c [ 82.863003][ T5344] kobject_init_and_add+0x124/0x190 [ 82.863868][ T5344] gfs2_sys_fs_add+0x200/0x41c [ 82.864682][ T5344] gfs2_fill_super+0xddc/0x1a18 [ 82.865484][ T5344] get_tree_bdev+0x358/0x544 [ 82.866279][ T5344] gfs2_get_tree+0x54/0x1b4 [ 82.867031][ T5344] vfs_get_tree+0x90/0x274 [ 82.867770][ T5344] do_new_mount+0x228/0x810 [ 82.868607][ T5344] path_mount+0x5bc/0x1008 [ 82.869391][ T5344] __arm64_sys_mount+0x514/0x5f0 [ 82.870310][ T5344] invoke_syscall+0x98/0x2b0 [ 82.871121][ T5344] el0_svc_common+0x138/0x258 [ 82.871928][ T5344] do_el0_svc+0x58/0x13c [ 82.872677][ T5344] el0_svc+0x78/0x1d0 [ 82.873378][ T5344] el0t_64_sync_handler+0xcc/0xe4 [ 82.874280][ T5344] el0t_64_sync+0x1a0/0x1a4 [ 82.878747][ T5339] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.881012][ T5339] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.897824][ T5337] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.900026][ T5337] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.902055][ T5344] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.919218][ T5344] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.993980][ T5320] loop0: detected capacity change from 0 to 32768 [ 83.043901][ T5320] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.045175][ T5320] CPU: 0 PID: 5320 Comm: syz.0.30 Not tainted syzkaller #0 [ 83.046312][ T5320] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.048134][ T5320] Call trace: [ 83.048684][ T5320] dump_backtrace+0x0/0x458 [ 83.049410][ T5320] show_stack+0x2c/0x3c [ 83.050148][ T5320] __dump_stack+0x30/0x40 [ 83.050871][ T5320] dump_stack_lvl+0xf4/0x15c [ 83.051652][ T5320] dump_stack+0x1c/0x5c [ 83.052396][ T5320] sysfs_create_dir_ns+0x244/0x264 [ 83.053287][ T5320] kobject_add_internal+0x5ac/0xc3c [ 83.054225][ T5320] kobject_init_and_add+0x124/0x190 [ 83.055117][ T5320] gfs2_sys_fs_add+0x200/0x41c [ 83.055905][ T5320] gfs2_fill_super+0xddc/0x1a18 [ 83.056754][ T5320] get_tree_bdev+0x358/0x544 [ 83.057548][ T5320] gfs2_get_tree+0x54/0x1b4 [ 83.058307][ T5320] vfs_get_tree+0x90/0x274 [ 83.059125][ T5320] do_new_mount+0x228/0x810 [ 83.059949][ T5320] path_mount+0x5bc/0x1008 [ 83.060725][ T5320] __arm64_sys_mount+0x514/0x5f0 [ 83.061617][ T5320] invoke_syscall+0x98/0x2b0 [ 83.062385][ T5320] el0_svc_common+0x138/0x258 [ 83.063141][ T5320] do_el0_svc+0x58/0x13c [ 83.063886][ T5320] el0_svc+0x78/0x1d0 [ 83.064590][ T5320] el0t_64_sync_handler+0xcc/0xe4 [ 83.065525][ T5320] el0t_64_sync+0x1a0/0x1a4 [ 83.091506][ T5320] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.093724][ T5320] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.126175][ T5344] loop3: detected capacity change from 0 to 32768 [ 83.185333][ T5344] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.186617][ T5344] CPU: 0 PID: 5344 Comm: syz.3.33 Not tainted syzkaller #0 [ 83.187759][ T5344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.189346][ T5344] Call trace: [ 83.189844][ T5344] dump_backtrace+0x0/0x458 [ 83.190579][ T5344] show_stack+0x2c/0x3c [ 83.191288][ T5344] __dump_stack+0x30/0x40 [ 83.191998][ T5344] dump_stack_lvl+0xf4/0x15c [ 83.192818][ T5344] dump_stack+0x1c/0x5c [ 83.193578][ T5344] sysfs_create_dir_ns+0x244/0x264 [ 83.194183][ T5339] loop2: detected capacity change from 0 to 32768 [ 83.194471][ T5344] kobject_add_internal+0x5ac/0xc3c [ 83.196428][ T5344] kobject_init_and_add+0x124/0x190 [ 83.197350][ T5344] gfs2_sys_fs_add+0x200/0x41c [ 83.198173][ T5344] gfs2_fill_super+0xddc/0x1a18 [ 83.198971][ T5344] get_tree_bdev+0x358/0x544 [ 83.199777][ T5344] gfs2_get_tree+0x54/0x1b4 [ 83.200549][ T5344] vfs_get_tree+0x90/0x274 [ 83.201297][ T5344] do_new_mount+0x228/0x810 [ 83.202049][ T5344] path_mount+0x5bc/0x1008 [ 83.202753][ T5344] __arm64_sys_mount+0x514/0x5f0 [ 83.203561][ T5344] invoke_syscall+0x98/0x2b0 [ 83.204327][ T5344] el0_svc_common+0x138/0x258 [ 83.205100][ T5344] do_el0_svc+0x58/0x13c [ 83.205821][ T5344] el0_svc+0x78/0x1d0 [ 83.206519][ T5344] el0t_64_sync_handler+0xcc/0xe4 [ 83.207394][ T5344] el0t_64_sync+0x1a0/0x1a4 [ 83.236657][ T5344] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.239605][ T5344] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.253419][ T5339] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.254604][ T5339] CPU: 1 PID: 5339 Comm: syz.2.32 Not tainted syzkaller #0 [ 83.255846][ T5339] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.257507][ T5339] Call trace: [ 83.258077][ T5339] dump_backtrace+0x0/0x458 [ 83.258863][ T5339] show_stack+0x2c/0x3c [ 83.259575][ T5339] __dump_stack+0x30/0x40 [ 83.260354][ T5339] dump_stack_lvl+0xf4/0x15c [ 83.261167][ T5339] dump_stack+0x1c/0x5c [ 83.261892][ T5339] sysfs_create_dir_ns+0x244/0x264 [ 83.262767][ T5339] kobject_add_internal+0x5ac/0xc3c [ 83.263633][ T5339] kobject_init_and_add+0x124/0x190 [ 83.264435][ T5339] gfs2_sys_fs_add+0x200/0x41c [ 83.265228][ T5339] gfs2_fill_super+0xddc/0x1a18 [ 83.266053][ T5339] get_tree_bdev+0x358/0x544 [ 83.266881][ T5339] gfs2_get_tree+0x54/0x1b4 [ 83.267654][ T5339] vfs_get_tree+0x90/0x274 [ 83.268424][ T5339] do_new_mount+0x228/0x810 [ 83.269204][ T5339] path_mount+0x5bc/0x1008 [ 83.270076][ T5339] __arm64_sys_mount+0x514/0x5f0 [ 83.270968][ T5339] invoke_syscall+0x98/0x2b0 [ 83.271821][ T5339] el0_svc_common+0x138/0x258 [ 83.272673][ T5339] do_el0_svc+0x58/0x13c [ 83.273464][ T5339] el0_svc+0x78/0x1d0 [ 83.274164][ T5339] el0t_64_sync_handler+0xcc/0xe4 [ 83.274972][ T5339] el0t_64_sync+0x1a0/0x1a4 [ 83.291163][ T5337] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.292472][ T5337] CPU: 0 PID: 5337 Comm: syz.1.31 Not tainted syzkaller #0 [ 83.293698][ T5337] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.295436][ T5337] Call trace: [ 83.296040][ T5337] dump_backtrace+0x0/0x458 [ 83.296837][ T5337] show_stack+0x2c/0x3c [ 83.297549][ T5337] __dump_stack+0x30/0x40 [ 83.298291][ T5337] dump_stack_lvl+0xf4/0x15c [ 83.299087][ T5337] dump_stack+0x1c/0x5c [ 83.299783][ T5337] sysfs_create_dir_ns+0x244/0x264 [ 83.300662][ T5337] kobject_add_internal+0x5ac/0xc3c [ 83.301569][ T5337] kobject_init_and_add+0x124/0x190 [ 83.302549][ T5337] gfs2_sys_fs_add+0x200/0x41c [ 83.303422][ T5337] gfs2_fill_super+0xddc/0x1a18 [ 83.304214][ T5337] get_tree_bdev+0x358/0x544 [ 83.305011][ T5337] gfs2_get_tree+0x54/0x1b4 [ 83.305776][ T5337] vfs_get_tree+0x90/0x274 [ 83.306497][ T5337] do_new_mount+0x228/0x810 [ 83.307266][ T5337] path_mount+0x5bc/0x1008 [ 83.308007][ T5337] __arm64_sys_mount+0x514/0x5f0 [ 83.308821][ T5337] invoke_syscall+0x98/0x2b0 [ 83.309634][ T5337] el0_svc_common+0x138/0x258 [ 83.310427][ T5337] do_el0_svc+0x58/0x13c [ 83.311163][ T5337] el0_svc+0x78/0x1d0 [ 83.311853][ T5337] el0t_64_sync_handler+0xcc/0xe4 [ 83.312717][ T5337] el0t_64_sync+0x1a0/0x1a4 [ 83.334342][ T5339] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.336446][ T5339] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.372054][ T5337] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.374353][ T5337] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.589271][ T5376] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.590518][ T5376] CPU: 1 PID: 5376 Comm: syz.0.34 Not tainted syzkaller #0 [ 83.591756][ T5376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.593449][ T5376] Call trace: [ 83.594038][ T5376] dump_backtrace+0x0/0x458 [ 83.594815][ T5376] show_stack+0x2c/0x3c [ 83.595504][ T5376] __dump_stack+0x30/0x40 [ 83.596192][ T5376] dump_stack_lvl+0xf4/0x15c [ 83.596921][ T5376] dump_stack+0x1c/0x5c [ 83.597618][ T5376] sysfs_create_dir_ns+0x244/0x264 [ 83.598459][ T5376] kobject_add_internal+0x5ac/0xc3c [ 83.599375][ T5376] kobject_init_and_add+0x124/0x190 [ 83.600184][ T5376] gfs2_sys_fs_add+0x200/0x41c [ 83.600980][ T5376] gfs2_fill_super+0xddc/0x1a18 [ 83.601820][ T5376] get_tree_bdev+0x358/0x544 [ 83.602569][ T5376] gfs2_get_tree+0x54/0x1b4 [ 83.603351][ T5376] vfs_get_tree+0x90/0x274 [ 83.604123][ T5376] do_new_mount+0x228/0x810 [ 83.604824][ T5376] path_mount+0x5bc/0x1008 [ 83.605556][ T5376] __arm64_sys_mount+0x514/0x5f0 [ 83.606398][ T5376] invoke_syscall+0x98/0x2b0 [ 83.607119][ T5376] el0_svc_common+0x138/0x258 [ 83.607876][ T5376] do_el0_svc+0x58/0x13c [ 83.608615][ T5376] el0_svc+0x78/0x1d0 [ 83.609248][ T5376] el0t_64_sync_handler+0xcc/0xe4 [ 83.610087][ T5376] el0t_64_sync+0x1a0/0x1a4 [ 83.645726][ T5379] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.647020][ T5379] CPU: 0 PID: 5379 Comm: syz.3.35 Not tainted syzkaller #0 [ 83.648348][ T5379] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.650038][ T5379] Call trace: [ 83.650588][ T5379] dump_backtrace+0x0/0x458 [ 83.651313][ T5379] show_stack+0x2c/0x3c [ 83.652041][ T5379] __dump_stack+0x30/0x40 [ 83.652802][ T5379] dump_stack_lvl+0xf4/0x15c [ 83.653599][ T5379] dump_stack+0x1c/0x5c [ 83.654349][ T5379] sysfs_create_dir_ns+0x244/0x264 [ 83.655200][ T5379] kobject_add_internal+0x5ac/0xc3c [ 83.656081][ T5379] kobject_init_and_add+0x124/0x190 [ 83.656955][ T5379] gfs2_sys_fs_add+0x200/0x41c [ 83.657791][ T5379] gfs2_fill_super+0xddc/0x1a18 [ 83.658603][ T5379] get_tree_bdev+0x358/0x544 [ 83.659402][ T5379] gfs2_get_tree+0x54/0x1b4 [ 83.660124][ T5379] vfs_get_tree+0x90/0x274 [ 83.660921][ T5379] do_new_mount+0x228/0x810 [ 83.661439][ T5376] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.661688][ T5379] path_mount+0x5bc/0x1008 [ 83.664633][ T5379] __arm64_sys_mount+0x514/0x5f0 [ 83.665481][ T5379] invoke_syscall+0x98/0x2b0 [ 83.666292][ T5379] el0_svc_common+0x138/0x258 [ 83.667047][ T5379] do_el0_svc+0x58/0x13c [ 83.667768][ T5379] el0_svc+0x78/0x1d0 [ 83.668451][ T5379] el0t_64_sync_handler+0xcc/0xe4 [ 83.669294][ T5379] el0t_64_sync+0x1a0/0x1a4 [ 83.671388][ T5376] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.719613][ T5386] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.720911][ T5386] CPU: 0 PID: 5386 Comm: syz.1.36 Not tainted syzkaller #0 [ 83.722100][ T5386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.723960][ T5386] Call trace: [ 83.724524][ T5386] dump_backtrace+0x0/0x458 [ 83.725306][ T5386] show_stack+0x2c/0x3c [ 83.726025][ T5386] __dump_stack+0x30/0x40 [ 83.726752][ T5386] dump_stack_lvl+0xf4/0x15c [ 83.727539][ T5386] dump_stack+0x1c/0x5c [ 83.728251][ T5386] sysfs_create_dir_ns+0x244/0x264 [ 83.729115][ T5386] kobject_add_internal+0x5ac/0xc3c [ 83.729999][ T5386] kobject_init_and_add+0x124/0x190 [ 83.730895][ T5386] gfs2_sys_fs_add+0x200/0x41c [ 83.731705][ T5386] gfs2_fill_super+0xddc/0x1a18 [ 83.732531][ T5386] get_tree_bdev+0x358/0x544 [ 83.733330][ T5386] gfs2_get_tree+0x54/0x1b4 [ 83.734100][ T5386] vfs_get_tree+0x90/0x274 [ 83.734886][ T5386] do_new_mount+0x228/0x810 [ 83.735656][ T5386] path_mount+0x5bc/0x1008 [ 83.736458][ T5386] __arm64_sys_mount+0x514/0x5f0 [ 83.737325][ T5386] invoke_syscall+0x98/0x2b0 [ 83.738103][ T5386] el0_svc_common+0x138/0x258 [ 83.738885][ T5386] do_el0_svc+0x58/0x13c [ 83.739604][ T5386] el0_svc+0x78/0x1d0 [ 83.740277][ T5386] el0t_64_sync_handler+0xcc/0xe4 [ 83.741134][ T5386] el0t_64_sync+0x1a0/0x1a4 [ 83.743180][ T5379] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.745283][ T5379] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.747128][ T5386] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.749231][ T5386] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.873145][ T5393] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.874274][ T5393] CPU: 1 PID: 5393 Comm: syz.2.37 Not tainted syzkaller #0 [ 83.875436][ T5393] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.877171][ T5393] Call trace: [ 83.877723][ T5393] dump_backtrace+0x0/0x458 [ 83.878534][ T5393] show_stack+0x2c/0x3c [ 83.879176][ T5393] __dump_stack+0x30/0x40 [ 83.879950][ T5393] dump_stack_lvl+0xf4/0x15c [ 83.880738][ T5393] dump_stack+0x1c/0x5c [ 83.881483][ T5393] sysfs_create_dir_ns+0x244/0x264 [ 83.882341][ T5393] kobject_add_internal+0x5ac/0xc3c [ 83.883246][ T5393] kobject_init_and_add+0x124/0x190 [ 83.884080][ T5393] gfs2_sys_fs_add+0x200/0x41c [ 83.884848][ T5393] gfs2_fill_super+0xddc/0x1a18 [ 83.885661][ T5393] get_tree_bdev+0x358/0x544 [ 83.886435][ T5393] gfs2_get_tree+0x54/0x1b4 [ 83.887201][ T5393] vfs_get_tree+0x90/0x274 [ 83.887905][ T5393] do_new_mount+0x228/0x810 [ 83.888617][ T5393] path_mount+0x5bc/0x1008 [ 83.889302][ T5393] __arm64_sys_mount+0x514/0x5f0 [ 83.890106][ T5393] invoke_syscall+0x98/0x2b0 [ 83.890904][ T5393] el0_svc_common+0x138/0x258 [ 83.891669][ T5393] do_el0_svc+0x58/0x13c [ 83.892361][ T5393] el0_svc+0x78/0x1d0 [ 83.893001][ T5393] el0t_64_sync_handler+0xcc/0xe4 [ 83.893812][ T5393] el0t_64_sync+0x1a0/0x1a4 [ 83.929311][ T5393] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.935763][ T5393] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.005238][ T5376] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.006618][ T5376] CPU: 1 PID: 5376 Comm: syz.0.34 Not tainted syzkaller #0 [ 84.007839][ T5376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.009595][ T5376] Call trace: [ 84.010125][ T5376] dump_backtrace+0x0/0x458 [ 84.010892][ T5376] show_stack+0x2c/0x3c [ 84.011615][ T5376] __dump_stack+0x30/0x40 [ 84.012362][ T5376] dump_stack_lvl+0xf4/0x15c [ 84.013131][ T5376] dump_stack+0x1c/0x5c [ 84.013876][ T5376] sysfs_create_dir_ns+0x244/0x264 [ 84.014746][ T5376] kobject_add_internal+0x5ac/0xc3c [ 84.015627][ T5376] kobject_init_and_add+0x124/0x190 [ 84.016445][ T5376] gfs2_sys_fs_add+0x200/0x41c [ 84.017292][ T5376] gfs2_fill_super+0xddc/0x1a18 [ 84.018149][ T5376] get_tree_bdev+0x358/0x544 [ 84.018925][ T5376] gfs2_get_tree+0x54/0x1b4 [ 84.019717][ T5376] vfs_get_tree+0x90/0x274 [ 84.020468][ T5376] do_new_mount+0x228/0x810 [ 84.021217][ T5376] path_mount+0x5bc/0x1008 [ 84.021997][ T5376] __arm64_sys_mount+0x514/0x5f0 [ 84.022886][ T5376] invoke_syscall+0x98/0x2b0 [ 84.023684][ T5376] el0_svc_common+0x138/0x258 [ 84.024487][ T5376] do_el0_svc+0x58/0x13c [ 84.025269][ T5376] el0_svc+0x78/0x1d0 [ 84.025925][ T5376] el0t_64_sync_handler+0xcc/0xe4 [ 84.026776][ T5376] el0t_64_sync+0x1a0/0x1a4 [ 84.030501][ T5386] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.031822][ T5386] CPU: 0 PID: 5386 Comm: syz.1.36 Not tainted syzkaller #0 [ 84.033217][ T5386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.035032][ T5386] Call trace: [ 84.035615][ T5386] dump_backtrace+0x0/0x458 [ 84.036352][ T5386] show_stack+0x2c/0x3c [ 84.037049][ T5386] __dump_stack+0x30/0x40 [ 84.037767][ T5386] dump_stack_lvl+0xf4/0x15c [ 84.038556][ T5386] dump_stack+0x1c/0x5c [ 84.039284][ T5386] sysfs_create_dir_ns+0x244/0x264 [ 84.040156][ T5386] kobject_add_internal+0x5ac/0xc3c [ 84.041062][ T5386] kobject_init_and_add+0x124/0x190 [ 84.041965][ T5386] gfs2_sys_fs_add+0x200/0x41c [ 84.042735][ T5386] gfs2_fill_super+0xddc/0x1a18 [ 84.043547][ T5386] get_tree_bdev+0x358/0x544 [ 84.044284][ T5386] gfs2_get_tree+0x54/0x1b4 [ 84.045063][ T5386] vfs_get_tree+0x90/0x274 [ 84.045812][ T5386] do_new_mount+0x228/0x810 [ 84.046555][ T5386] path_mount+0x5bc/0x1008 [ 84.047296][ T5386] __arm64_sys_mount+0x514/0x5f0 [ 84.048111][ T5386] invoke_syscall+0x98/0x2b0 [ 84.048883][ T5386] el0_svc_common+0x138/0x258 [ 84.049680][ T5386] do_el0_svc+0x58/0x13c [ 84.050408][ T5386] el0_svc+0x78/0x1d0 [ 84.051139][ T5386] el0t_64_sync_handler+0xcc/0xe4 [ 84.051993][ T5386] el0t_64_sync+0x1a0/0x1a4 [ 84.069227][ T5376] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.075027][ T5376] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.096655][ T5386] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.098900][ T5386] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.126101][ T5379] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.127505][ T5379] CPU: 0 PID: 5379 Comm: syz.3.35 Not tainted syzkaller #0 [ 84.128689][ T5379] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.130384][ T5379] Call trace: [ 84.130903][ T5379] dump_backtrace+0x0/0x458 [ 84.131639][ T5379] show_stack+0x2c/0x3c [ 84.132314][ T5379] __dump_stack+0x30/0x40 [ 84.133053][ T5379] dump_stack_lvl+0xf4/0x15c [ 84.133860][ T5379] dump_stack+0x1c/0x5c [ 84.134575][ T5379] sysfs_create_dir_ns+0x244/0x264 [ 84.135460][ T5379] kobject_add_internal+0x5ac/0xc3c [ 84.136375][ T5379] kobject_init_and_add+0x124/0x190 [ 84.137275][ T5379] gfs2_sys_fs_add+0x200/0x41c [ 84.138111][ T5379] gfs2_fill_super+0xddc/0x1a18 [ 84.139008][ T5379] get_tree_bdev+0x358/0x544 [ 84.139798][ T5379] gfs2_get_tree+0x54/0x1b4 [ 84.140569][ T5379] vfs_get_tree+0x90/0x274 [ 84.141295][ T5379] do_new_mount+0x228/0x810 [ 84.142102][ T5379] path_mount+0x5bc/0x1008 [ 84.142908][ T5379] __arm64_sys_mount+0x514/0x5f0 [ 84.143735][ T5379] invoke_syscall+0x98/0x2b0 [ 84.144513][ T5379] el0_svc_common+0x138/0x258 [ 84.145353][ T5379] do_el0_svc+0x58/0x13c [ 84.146117][ T5379] el0_svc+0x78/0x1d0 [ 84.146832][ T5379] el0t_64_sync_handler+0xcc/0xe4 [ 84.147717][ T5379] el0t_64_sync+0x1a0/0x1a4 [ 84.196269][ T5379] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.198629][ T5379] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.322048][ T5393] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.323392][ T5393] CPU: 1 PID: 5393 Comm: syz.2.37 Not tainted syzkaller #0 [ 84.324647][ T5393] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.326289][ T5393] Call trace: [ 84.326814][ T5393] dump_backtrace+0x0/0x458 [ 84.327576][ T5393] show_stack+0x2c/0x3c [ 84.328257][ T5393] __dump_stack+0x30/0x40 [ 84.329018][ T5393] dump_stack_lvl+0xf4/0x15c [ 84.329790][ T5393] dump_stack+0x1c/0x5c [ 84.330415][ T5393] sysfs_create_dir_ns+0x244/0x264 [ 84.331194][ T5393] kobject_add_internal+0x5ac/0xc3c [ 84.332071][ T5393] kobject_init_and_add+0x124/0x190 [ 84.332893][ T5393] gfs2_sys_fs_add+0x200/0x41c [ 84.333689][ T5393] gfs2_fill_super+0xddc/0x1a18 [ 84.334467][ T5393] get_tree_bdev+0x358/0x544 [ 84.335234][ T5393] gfs2_get_tree+0x54/0x1b4 [ 84.335916][ T5393] vfs_get_tree+0x90/0x274 [ 84.336624][ T5393] do_new_mount+0x228/0x810 [ 84.337400][ T5393] path_mount+0x5bc/0x1008 [ 84.338126][ T5393] __arm64_sys_mount+0x514/0x5f0 [ 84.338922][ T5393] invoke_syscall+0x98/0x2b0 [ 84.339728][ T5393] el0_svc_common+0x138/0x258 [ 84.340515][ T5393] do_el0_svc+0x58/0x13c [ 84.341235][ T5393] el0_svc+0x78/0x1d0 [ 84.341896][ T5393] el0t_64_sync_handler+0xcc/0xe4 [ 84.342779][ T5393] el0t_64_sync+0x1a0/0x1a4 [ 84.364467][ T5393] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.386279][ T5393] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.414798][ T5424] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.416108][ T5424] CPU: 0 PID: 5424 Comm: syz.0.38 Not tainted syzkaller #0 [ 84.417390][ T5424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.419119][ T5424] Call trace: [ 84.419634][ T5424] dump_backtrace+0x0/0x458 [ 84.420468][ T5424] show_stack+0x2c/0x3c [ 84.421172][ T5424] __dump_stack+0x30/0x40 [ 84.421892][ T5424] dump_stack_lvl+0xf4/0x15c [ 84.422709][ T5424] dump_stack+0x1c/0x5c [ 84.423418][ T5424] sysfs_create_dir_ns+0x244/0x264 [ 84.424292][ T5424] kobject_add_internal+0x5ac/0xc3c [ 84.425181][ T5424] kobject_init_and_add+0x124/0x190 [ 84.426057][ T5424] gfs2_sys_fs_add+0x200/0x41c [ 84.426880][ T5424] gfs2_fill_super+0xddc/0x1a18 [ 84.427731][ T5424] get_tree_bdev+0x358/0x544 [ 84.428532][ T5424] gfs2_get_tree+0x54/0x1b4 [ 84.429272][ T5424] vfs_get_tree+0x90/0x274 [ 84.429997][ T5424] do_new_mount+0x228/0x810 [ 84.430749][ T5424] path_mount+0x5bc/0x1008 [ 84.431507][ T5424] __arm64_sys_mount+0x514/0x5f0 [ 84.432394][ T5424] invoke_syscall+0x98/0x2b0 [ 84.433157][ T5424] el0_svc_common+0x138/0x258 [ 84.433908][ T5424] do_el0_svc+0x58/0x13c [ 84.434593][ T5424] el0_svc+0x78/0x1d0 [ 84.435279][ T5424] el0t_64_sync_handler+0xcc/0xe4 [ 84.436219][ T5424] el0t_64_sync+0x1a0/0x1a4 [ 84.449681][ T5427] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.451077][ T5427] CPU: 0 PID: 5427 Comm: syz.1.39 Not tainted syzkaller #0 [ 84.452313][ T5427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.454053][ T5427] Call trace: [ 84.454601][ T5427] dump_backtrace+0x0/0x458 [ 84.455381][ T5427] show_stack+0x2c/0x3c [ 84.456095][ T5427] __dump_stack+0x30/0x40 [ 84.456806][ T5427] dump_stack_lvl+0xf4/0x15c [ 84.457615][ T5427] dump_stack+0x1c/0x5c [ 84.458285][ T5427] sysfs_create_dir_ns+0x244/0x264 [ 84.459121][ T5427] kobject_add_internal+0x5ac/0xc3c [ 84.459975][ T5427] kobject_init_and_add+0x124/0x190 [ 84.460789][ T5427] gfs2_sys_fs_add+0x200/0x41c [ 84.461528][ T5427] gfs2_fill_super+0xddc/0x1a18 [ 84.462270][ T5427] get_tree_bdev+0x358/0x544 [ 84.462982][ T5427] gfs2_get_tree+0x54/0x1b4 [ 84.463691][ T5427] vfs_get_tree+0x90/0x274 [ 84.464347][ T5427] do_new_mount+0x228/0x810 [ 84.465013][ T5427] path_mount+0x5bc/0x1008 [ 84.465792][ T5427] __arm64_sys_mount+0x514/0x5f0 [ 84.466622][ T5427] invoke_syscall+0x98/0x2b0 [ 84.467434][ T5427] el0_svc_common+0x138/0x258 [ 84.468256][ T5427] do_el0_svc+0x58/0x13c [ 84.468955][ T5427] el0_svc+0x78/0x1d0 [ 84.469643][ T5427] el0t_64_sync_handler+0xcc/0xe4 [ 84.470504][ T5427] el0t_64_sync+0x1a0/0x1a4 [ 84.500913][ T5427] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.502603][ T5433] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.504421][ T5433] CPU: 1 PID: 5433 Comm: syz.3.40 Not tainted syzkaller #0 [ 84.505020][ T5424] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.505628][ T5433] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.507797][ T5424] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.509491][ T5433] Call trace: [ 84.511052][ T5433] dump_backtrace+0x0/0x458 [ 84.511802][ T5433] show_stack+0x2c/0x3c [ 84.512503][ T5433] __dump_stack+0x30/0x40 [ 84.513254][ T5433] dump_stack_lvl+0xf4/0x15c [ 84.513545][ T5427] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.514038][ T5433] dump_stack+0x1c/0x5c [ 84.515823][ T5433] sysfs_create_dir_ns+0x244/0x264 [ 84.516706][ T5433] kobject_add_internal+0x5ac/0xc3c [ 84.517576][ T5433] kobject_init_and_add+0x124/0x190 [ 84.518476][ T5433] gfs2_sys_fs_add+0x200/0x41c [ 84.519265][ T5433] gfs2_fill_super+0xddc/0x1a18 [ 84.520054][ T5433] get_tree_bdev+0x358/0x544 [ 84.520810][ T5433] gfs2_get_tree+0x54/0x1b4 [ 84.521573][ T5433] vfs_get_tree+0x90/0x274 [ 84.522306][ T5433] do_new_mount+0x228/0x810 [ 84.523051][ T5433] path_mount+0x5bc/0x1008 [ 84.523746][ T5433] __arm64_sys_mount+0x514/0x5f0 [ 84.524548][ T5433] invoke_syscall+0x98/0x2b0 [ 84.525299][ T5433] el0_svc_common+0x138/0x258 [ 84.526043][ T5433] do_el0_svc+0x58/0x13c [ 84.526743][ T5433] el0_svc+0x78/0x1d0 [ 84.527357][ T5433] el0t_64_sync_handler+0xcc/0xe4 [ 84.528160][ T5433] el0t_64_sync+0x1a0/0x1a4 [ 84.579379][ T5433] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.582008][ T5433] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.722128][ T5442] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.723353][ T5442] CPU: 1 PID: 5442 Comm: syz.2.41 Not tainted syzkaller #0 [ 84.724579][ T5442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.726215][ T5442] Call trace: [ 84.726733][ T5442] dump_backtrace+0x0/0x458 [ 84.727507][ T5442] show_stack+0x2c/0x3c [ 84.728184][ T5442] __dump_stack+0x30/0x40 [ 84.728878][ T5442] dump_stack_lvl+0xf4/0x15c [ 84.729621][ T5442] dump_stack+0x1c/0x5c [ 84.730360][ T5442] sysfs_create_dir_ns+0x244/0x264 [ 84.731245][ T5442] kobject_add_internal+0x5ac/0xc3c [ 84.732095][ T5442] kobject_init_and_add+0x124/0x190 [ 84.732946][ T5442] gfs2_sys_fs_add+0x200/0x41c [ 84.733734][ T5442] gfs2_fill_super+0xddc/0x1a18 [ 84.734546][ T5442] get_tree_bdev+0x358/0x544 [ 84.735298][ T5442] gfs2_get_tree+0x54/0x1b4 [ 84.736044][ T5442] vfs_get_tree+0x90/0x274 [ 84.736762][ T5442] do_new_mount+0x228/0x810 [ 84.737558][ T5442] path_mount+0x5bc/0x1008 [ 84.738270][ T5442] __arm64_sys_mount+0x514/0x5f0 [ 84.739091][ T5442] invoke_syscall+0x98/0x2b0 [ 84.739864][ T5442] el0_svc_common+0x138/0x258 [ 84.740679][ T5442] do_el0_svc+0x58/0x13c [ 84.741399][ T5442] el0_svc+0x78/0x1d0 [ 84.742089][ T5442] el0t_64_sync_handler+0xcc/0xe4 [ 84.743025][ T5442] el0t_64_sync+0x1a0/0x1a4 [ 84.786126][ T5442] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.796211][ T5442] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.832793][ T5424] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.834033][ T5424] CPU: 0 PID: 5424 Comm: syz.0.38 Not tainted syzkaller #0 [ 84.835336][ T5424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.837067][ T5424] Call trace: [ 84.837612][ T5424] dump_backtrace+0x0/0x458 [ 84.838362][ T5424] show_stack+0x2c/0x3c [ 84.839043][ T5424] __dump_stack+0x30/0x40 [ 84.839805][ T5424] dump_stack_lvl+0xf4/0x15c [ 84.840584][ T5424] dump_stack+0x1c/0x5c [ 84.841288][ T5424] sysfs_create_dir_ns+0x244/0x264 [ 84.842176][ T5424] kobject_add_internal+0x5ac/0xc3c [ 84.843037][ T5424] kobject_init_and_add+0x124/0x190 [ 84.843934][ T5424] gfs2_sys_fs_add+0x200/0x41c [ 84.844727][ T5424] gfs2_fill_super+0xddc/0x1a18 [ 84.845504][ T5424] get_tree_bdev+0x358/0x544 [ 84.846243][ T5424] gfs2_get_tree+0x54/0x1b4 [ 84.846959][ T5424] vfs_get_tree+0x90/0x274 [ 84.847699][ T5424] do_new_mount+0x228/0x810 [ 84.848459][ T5424] path_mount+0x5bc/0x1008 [ 84.849160][ T5424] __arm64_sys_mount+0x514/0x5f0 [ 84.849986][ T5424] invoke_syscall+0x98/0x2b0 [ 84.850801][ T5424] el0_svc_common+0x138/0x258 [ 84.851593][ T5424] do_el0_svc+0x58/0x13c [ 84.852308][ T5424] el0_svc+0x78/0x1d0 [ 84.852996][ T5424] el0t_64_sync_handler+0xcc/0xe4 [ 84.853845][ T5424] el0t_64_sync+0x1a0/0x1a4 [ 84.854833][ T5427] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.856050][ T5427] CPU: 0 PID: 5427 Comm: syz.1.39 Not tainted syzkaller #0 [ 84.857063][ T5427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.858719][ T5427] Call trace: [ 84.859229][ T5427] dump_backtrace+0x0/0x458 [ 84.859927][ T5427] show_stack+0x2c/0x3c [ 84.860614][ T5427] __dump_stack+0x30/0x40 [ 84.861330][ T5427] dump_stack_lvl+0xf4/0x15c [ 84.862121][ T5427] dump_stack+0x1c/0x5c [ 84.862800][ T5427] sysfs_create_dir_ns+0x244/0x264 [ 84.863704][ T5427] kobject_add_internal+0x5ac/0xc3c [ 84.864643][ T5427] kobject_init_and_add+0x124/0x190 [ 84.865564][ T5427] gfs2_sys_fs_add+0x200/0x41c [ 84.866311][ T5427] gfs2_fill_super+0xddc/0x1a18 [ 84.867157][ T5427] get_tree_bdev+0x358/0x544 [ 84.867892][ T5427] gfs2_get_tree+0x54/0x1b4 [ 84.868603][ T5427] vfs_get_tree+0x90/0x274 [ 84.869366][ T5427] do_new_mount+0x228/0x810 [ 84.870134][ T5427] path_mount+0x5bc/0x1008 [ 84.870859][ T5427] __arm64_sys_mount+0x514/0x5f0 [ 84.871678][ T5427] invoke_syscall+0x98/0x2b0 [ 84.872455][ T5427] el0_svc_common+0x138/0x258 [ 84.873235][ T5427] do_el0_svc+0x58/0x13c [ 84.873964][ T5427] el0_svc+0x78/0x1d0 [ 84.874678][ T5427] el0t_64_sync_handler+0xcc/0xe4 [ 84.875524][ T5427] el0t_64_sync+0x1a0/0x1a4 [ 84.886305][ T5433] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.887584][ T5433] CPU: 1 PID: 5433 Comm: syz.3.40 Not tainted syzkaller #0 [ 84.888796][ T5433] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.890410][ T5433] Call trace: [ 84.890969][ T5433] dump_backtrace+0x0/0x458 [ 84.891758][ T5433] show_stack+0x2c/0x3c [ 84.892462][ T5433] __dump_stack+0x30/0x40 [ 84.893139][ T5433] dump_stack_lvl+0xf4/0x15c [ 84.893872][ T5433] dump_stack+0x1c/0x5c [ 84.894643][ T5433] sysfs_create_dir_ns+0x244/0x264 [ 84.895486][ T5433] kobject_add_internal+0x5ac/0xc3c [ 84.896352][ T5433] kobject_init_and_add+0x124/0x190 [ 84.897220][ T5433] gfs2_sys_fs_add+0x200/0x41c [ 84.898036][ T5433] gfs2_fill_super+0xddc/0x1a18 [ 84.898805][ T5433] get_tree_bdev+0x358/0x544 [ 84.899539][ T5433] gfs2_get_tree+0x54/0x1b4 [ 84.900317][ T5433] vfs_get_tree+0x90/0x274 [ 84.901077][ T5433] do_new_mount+0x228/0x810 [ 84.901880][ T5433] path_mount+0x5bc/0x1008 [ 84.902656][ T5433] __arm64_sys_mount+0x514/0x5f0 [ 84.903518][ T5433] invoke_syscall+0x98/0x2b0 [ 84.904285][ T5433] el0_svc_common+0x138/0x258 [ 84.904476][ T5427] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.905098][ T5433] do_el0_svc+0x58/0x13c [ 84.907204][ T5427] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.907877][ T5433] el0_svc+0x78/0x1d0 [ 84.909523][ T5433] el0t_64_sync_handler+0xcc/0xe4 [ 84.909786][ T5424] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.910283][ T5433] el0t_64_sync+0x1a0/0x1a4 [ 84.921498][ T5424] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.970249][ T5433] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.981209][ T5433] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 85.136585][ T5442] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 85.137962][ T5442] CPU: 0 PID: 5442 Comm: syz.2.41 Not tainted syzkaller #0 [ 85.139232][ T5442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 85.141012][ T5442] Call trace: [ 85.141574][ T5442] dump_backtrace+0x0/0x458 [ 85.142333][ T5442] show_stack+0x2c/0x3c [ 85.143033][ T5442] __dump_stack+0x30/0x40 [ 85.143813][ T5442] dump_stack_lvl+0xf4/0x15c [ 85.144587][ T5442] dump_stack+0x1c/0x5c [ 85.145279][ T5442] sysfs_create_dir_ns+0x244/0x264 [ 85.146109][ T5442] kobject_add_internal+0x5ac/0xc3c [ 85.146870][ T5442] kobject_init_and_add+0x124/0x190 [ 85.147708][ T5442] gfs2_sys_fs_add+0x200/0x41c [ 85.148526][ T5442] gfs2_fill_super+0xddc/0x1a18 [ 85.149365][ T5442] get_tree_bdev+0x358/0x544 [ 85.150149][ T5442] gfs2_get_tree+0x54/0x1b4 [ 85.150869][ T5442] vfs_get_tree+0x90/0x274 [ 85.151585][ T5442] do_new_mount+0x228/0x810 [ 85.152340][ T5442] path_mount+0x5bc/0x1008 [ 85.153101][ T5442] __arm64_sys_mount+0x514/0x5f0 [ 85.153937][ T5442] invoke_syscall+0x98/0x2b0 [ 85.154702][ T5442] el0_svc_common+0x138/0x258 [ 85.155524][ T5442] do_el0_svc+0x58/0x13c [ 85.156257][ T5442] el0_svc+0x78/0x1d0 [ 85.156897][ T5442] el0t_64_sync_handler+0xcc/0xe4 [ 85.157691][ T5442] el0t_64_sync+0x1a0/0x1a4 [ 85.199882][ T5442] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 85.206388][ T5473] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 85.207592][ T5473] CPU: 0 PID: 5473 Comm: syz.0.43 Not tainted syzkaller #0 [ 85.208745][ T5473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 85.210364][ T5473] Call trace: [ 85.210920][ T5473] dump_backtrace+0x0/0x458 [ 85.211620][ T5473] show_stack+0x2c/0x3c [ 85.212295][ T5473] __dump_stack+0x30/0x40 [ 85.213002][ T5473] dump_stack_lvl+0xf4/0x15c [ 85.213761][ T5473] dump_stack+0x1c/0x5c [ 85.214388][ T5473] sysfs_create_dir_ns+0x244/0x264 [ 85.215220][ T5473] kobject_add_internal+0x5ac/0xc3c [ 85.216094][ T5473] kobject_init_and_add+0x124/0x190 [ 85.216986][ T5473] gfs2_sys_fs_add+0x200/0x41c [ 85.217801][ T5473] gfs2_fill_super+0xddc/0x1a18 [ 85.218607][ T5473] get_tree_bdev+0x358/0x544 [ 85.219338][ T5473] gfs2_get_tree+0x54/0x1b4 [ 85.220097][ T5473] vfs_get_tree+0x90/0x274 [ 85.220804][ T5473] do_new_mount+0x228/0x810 [ 85.221567][ T5473] path_mount+0x5bc/0x1008 [ 85.222276][ T5473] __arm64_sys_mount+0x514/0x5f0 [ 85.223055][ T5473] invoke_syscall+0x98/0x2b0 [ 85.223781][ T5473] el0_svc_common+0x138/0x258 [ 85.224509][ T5473] do_el0_svc+0x58/0x13c [ 85.225139][ T5473] el0_svc+0x78/0x1d0 [ 85.225724][ T5473] el0t_64_sync_handler+0xcc/0xe4 [ 85.226483][ T5473] el0t_64_sync+0x1a0/0x1a4 [ 85.228271][ T5442] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 85.265463][ T5473] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 85.267632][ T5473] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 85.301341][ T5474] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 85.303205][ T5474] CPU: 1 PID: 5474 Comm: syz.1.42 Not tainted syzkaller #0 [ 85.304348][ T5474] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 85.306010][ T5474] Call trace: [ 85.306555][ T5474] dump_backtrace+0x0/0x458 [ 85.307346][ T5474] show_stack+0x2c/0x3c [ 85.308053][ T5474] __dump_stack+0x30/0x40 [ 85.308758][ T5474] dump_stack_lvl+0xf4/0x15c [ 85.309547][ T5474] dump_stack+0x1c/0x5c [ 85.310211][ T5474] sysfs_create_dir_ns+0x244/0x264 [ 85.310977][ T5474] kobject_add_internal+0x5ac/0xc3c [ 85.311901][ T5474] kobject_init_and_add+0x124/0x190 [ 85.312753][ T5474] gfs2_sys_fs_add+0x200/0x41c [ 85.313563][ T5474] gfs2_fill_super+0xddc/0x1a18 [ 85.314372][ T5474] get_tree_bdev+0x358/0x544 [ 85.315166][ T5474] gfs2_get_tree+0x54/0x1b4 [ 85.315917][ T5474] vfs_get_tree+0x90/0x274 [ 85.316660][ T5474] do_new_mount+0x228/0x810 [ 85.317467][ T5474] path_mount+0x5bc/0x1008 [ 85.318202][ T5474] __arm64_sys_mount+0x514/0x5f0 [ 85.319063][ T5474] invoke_syscall+0x98/0x2b0 [ 85.319853][ T5474] el0_svc_common+0x138/0x258 [ 85.320628][ T5474] do_el0_svc+0x58/0x13c [ 85.321325][ T5474] el0_svc+0x78/0x1d0 [ 85.321987][ T5474] el0t_64_sync_handler+0xcc/0xe4 [ 85.322793][ T5474] el0t_64_sync+0x1a0/0x1a4 [ 85.352558][ T5474] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 85.358332][ T5474] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 85.465815][ T5488] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 85.467133][ T5488] CPU: 1 PID: 5488 Comm: syz.3.44 Not tainted syzkaller #0 [ 85.468329][ T5488] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 85.469931][ T5488] Call trace: [ 85.470425][ T5488] dump_backtrace+0x0/0x458 [ 85.471146][ T5488] show_stack+0x2c/0x3c [ 85.471842][ T5488] __dump_stack+0x30/0x40 [ 85.472597][ T5488] dump_stack_lvl+0xf4/0x15c [ 85.473350][ T5488] dump_stack+0x1c/0x5c [ 85.474102][ T5488] sysfs_create_dir_ns+0x244/0x264 [ 85.474915][ T5488] kobject_add_internal+0x5ac/0xc3c [ 85.475787][ T5488] kobject_init_and_add+0x124/0x190 [ 85.476621][ T5488] gfs2_sys_fs_add+0x200/0x41c [ 85.477439][ T5488] gfs2_fill_super+0xddc/0x1a18 [ 85.478224][ T5488] get_tree_bdev+0x358/0x544 [ 85.478967][ T5488] gfs2_get_tree+0x54/0x1b4 [ 85.479725][ T5488] vfs_get_tree+0x90/0x274 [ 85.480455][ T5488] do_new_mount+0x228/0x810 [ 85.481215][ T5488] path_mount+0x5bc/0x1008 [ 85.481972][ T5488] __arm64_sys_mount+0x514/0x5f0 [ 85.482814][ T5488] invoke_syscall+0x98/0x2b0 [ 85.483619][ T5488] el0_svc_common+0x138/0x258 [ 85.484366][ T5488] do_el0_svc+0x58/0x13c [ 85.485044][ T5488] el0_svc+0x78/0x1d0 [ 85.485688][ T5488] el0t_64_sync_handler+0xcc/0xe4 [ 85.486543][ T5488] el0t_64_sync+0x1a0/0x1a4 [ 85.542255][ T5488] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 85.544605][ T5488] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 85.578887][ T5473] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 85.580165][ T5473] CPU: 0 PID: 5473 Comm: syz.0.43 Not tainted syzkaller #0 [ 85.581438][ T5473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 85.583170][ T5473] Call trace: [ 85.583701][ T5473] dump_backtrace+0x0/0x458 [ 85.584473][ T5473] show_stack+0x2c/0x3c [ 85.585171][ T5473] __dump_stack+0x30/0x40 [ 85.585855][ T5473] dump_stack_lvl+0xf4/0x15c [ 85.586608][ T5473] dump_stack+0x1c/0x5c [ 85.587298][ T5473] sysfs_create_dir_ns+0x244/0x264 [ 85.588107][ T5473] kobject_add_internal+0x5ac/0xc3c [ 85.589020][ T5473] kobject_init_and_add+0x124/0x190 [ 85.589888][ T5473] gfs2_sys_fs_add+0x200/0x41c [ 85.590677][ T5473] gfs2_fill_super+0xddc/0x1a18 [ 85.591447][ T5473] get_tree_bdev+0x358/0x544 [ 85.592222][ T5473] gfs2_get_tree+0x54/0x1b4 [ 85.593013][ T5473] vfs_get_tree+0x90/0x274 [ 85.593726][ T5473] do_new_mount+0x228/0x810 [ 85.594495][ T5473] path_mount+0x5bc/0x1008 [ 85.595228][ T5473] __arm64_sys_mount+0x514/0x5f0 [ 85.596092][ T5473] invoke_syscall+0x98/0x2b0 [ 85.596871][ T5473] el0_svc_common+0x138/0x258 [ 85.597687][ T5473] do_el0_svc+0x58/0x13c [ 85.598455][ T5473] el0_svc+0x78/0x1d0 [ 85.599130][ T5473] el0t_64_sync_handler+0xcc/0xe4 [ 85.599958][ T5473] el0t_64_sync+0x1a0/0x1a4 [ 85.601854][ T5498] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 85.602988][ T5498] CPU: 0 PID: 5498 Comm: syz.2.45 Not tainted syzkaller #0 [ 85.604126][ T5498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 85.605756][ T5498] Call trace: [ 85.606271][ T5498] dump_backtrace+0x0/0x458 [ 85.606976][ T5498] show_stack+0x2c/0x3c [ 85.607640][ T5498] __dump_stack+0x30/0x40 [ 85.608364][ T5498] dump_stack_lvl+0xf4/0x15c [ 85.609160][ T5498] dump_stack+0x1c/0x5c [ 85.609874][ T5498] sysfs_create_dir_ns+0x244/0x264 [ 85.610763][ T5498] kobject_add_internal+0x5ac/0xc3c [ 85.611660][ T5498] kobject_init_and_add+0x124/0x190 [ 85.612533][ T5498] gfs2_sys_fs_add+0x200/0x41c [ 85.613361][ T5498] gfs2_fill_super+0xddc/0x1a18 [ 85.614150][ T5498] get_tree_bdev+0x358/0x544 [ 85.614918][ T5498] gfs2_get_tree+0x54/0x1b4 [ 85.615695][ T5498] vfs_get_tree+0x90/0x274 [ 85.616506][ T5498] do_new_mount+0x228/0x810 [ 85.617257][ T5498] path_mount+0x5bc/0x1008 [ 85.617967][ T5498] __arm64_sys_mount+0x514/0x5f0 [ 85.618835][ T5498] invoke_syscall+0x98/0x2b0 [ 85.619595][ T5498] el0_svc_common+0x138/0x258 [ 85.620342][ T5498] do_el0_svc+0x58/0x13c [ 85.621031][ T5498] el0_svc+0x78/0x1d0 [ 85.621769][ T5498] el0t_64_sync_handler+0xcc/0xe4 [ 85.622644][ T5498] el0t_64_sync+0x1a0/0x1a4 [ 85.661868][ T5473] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 85.662706][ T5474] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 85.664172][ T5473] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 85.665552][ T5474] CPU: 1 PID: 5474 Comm: syz.1.42 Not tainted syzkaller #0 [ 85.666963][ T5498] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 85.667781][ T5474] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 85.670095][ T5498] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 85.671743][ T5474] Call trace: [ 85.671749][ T5474] dump_backtrace+0x0/0x458 [ 85.671767][ T5474] show_stack+0x2c/0x3c [ 85.671774][ T5474] __dump_stack+0x30/0x40 [ 85.671781][ T5474] dump_stack_lvl+0xf4/0x15c [ 85.671786][ T5474] dump_stack+0x1c/0x5c [ 85.671791][ T5474] sysfs_create_dir_ns+0x244/0x264 [ 85.671797][ T5474] kobject_add_internal+0x5ac/0xc3c [ 85.671801][ T5474] kobject_init_and_add+0x124/0x190 [ 85.671806][ T5474] gfs2_sys_fs_add+0x200/0x41c [ 85.671810][ T5474] gfs2_fill_super+0xddc/0x1a18 [ 85.671814][ T5474] get_tree_bdev+0x358/0x544 [ 85.671819][ T5474] gfs2_get_tree+0x54/0x1b4 [ 85.671823][ T5474] vfs_get_tree+0x90/0x274 [ 85.671827][ T5474] do_new_mount+0x228/0x810 [ 85.671831][ T5474] path_mount+0x5bc/0x1008 [ 85.684978][ T5474] __arm64_sys_mount+0x514/0x5f0 [ 85.685803][ T5474] invoke_syscall+0x98/0x2b0 [ 85.686535][ T5474] el0_svc_common+0x138/0x258 [ 85.687341][ T5474] do_el0_svc+0x58/0x13c [ 85.688047][ T5474] el0_svc+0x78/0x1d0 [ 85.688715][ T5474] el0t_64_sync_handler+0xcc/0xe4 [ 85.689582][ T5474] el0t_64_sync+0x1a0/0x1a4 [ 85.705800][ T5474] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 85.721959][ T5474] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 85.915154][ T5488] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 85.916386][ T5488] CPU: 0 PID: 5488 Comm: syz.3.44 Not tainted syzkaller #0 [ 85.917582][ T5488] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 85.919161][ T5488] Call trace: [ 85.919658][ T5488] dump_backtrace+0x0/0x458 [ 85.920398][ T5488] show_stack+0x2c/0x3c [ 85.921085][ T5488] __dump_stack+0x30/0x40 [ 85.921775][ T5488] dump_stack_lvl+0xf4/0x15c [ 85.922608][ T5488] dump_stack+0x1c/0x5c [ 85.923276][ T5488] sysfs_create_dir_ns+0x244/0x264 [ 85.924104][ T5488] kobject_add_internal+0x5ac/0xc3c [ 85.925017][ T5488] kobject_init_and_add+0x124/0x190 [ 85.925940][ T5488] gfs2_sys_fs_add+0x200/0x41c [ 85.926765][ T5488] gfs2_fill_super+0xddc/0x1a18 [ 85.927595][ T5488] get_tree_bdev+0x358/0x544 [ 85.928397][ T5488] gfs2_get_tree+0x54/0x1b4 [ 85.929146][ T5488] vfs_get_tree+0x90/0x274 [ 85.929902][ T5488] do_new_mount+0x228/0x810 [ 85.930664][ T5488] path_mount+0x5bc/0x1008 [ 85.931415][ T5488] __arm64_sys_mount+0x514/0x5f0 [ 85.932239][ T5488] invoke_syscall+0x98/0x2b0 [ 85.932994][ T5488] el0_svc_common+0x138/0x258 [ 85.933737][ T5488] do_el0_svc+0x58/0x13c [ 85.934392][ T5488] el0_svc+0x78/0x1d0 [ 85.935030][ T5488] el0t_64_sync_handler+0xcc/0xe4 [ 85.935888][ T5488] el0t_64_sync+0x1a0/0x1a4 [ 85.971619][ T5488] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 85.973930][ T5488] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 86.060113][ T5523] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 86.061918][ T5523] CPU: 1 PID: 5523 Comm: syz.0.46 Not tainted syzkaller #0 [ 86.063124][ T5523] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 86.064833][ T5523] Call trace: [ 86.065318][ T5523] dump_backtrace+0x0/0x458 [ 86.066085][ T5523] show_stack+0x2c/0x3c [ 86.066809][ T5523] __dump_stack+0x30/0x40 [ 86.067518][ T5523] dump_stack_lvl+0xf4/0x15c [ 86.068282][ T5523] dump_stack+0x1c/0x5c [ 86.068962][ T5523] sysfs_create_dir_ns+0x244/0x264 [ 86.069814][ T5523] kobject_add_internal+0x5ac/0xc3c [ 86.070650][ T5523] kobject_init_and_add+0x124/0x190 [ 86.071483][ T5523] gfs2_sys_fs_add+0x200/0x41c [ 86.072290][ T5523] gfs2_fill_super+0xddc/0x1a18 [ 86.073080][ T5523] get_tree_bdev+0x358/0x544 [ 86.073814][ T5523] gfs2_get_tree+0x54/0x1b4 [ 86.074598][ T5523] vfs_get_tree+0x90/0x274 [ 86.075327][ T5523] do_new_mount+0x228/0x810 [ 86.076070][ T5523] path_mount+0x5bc/0x1008 [ 86.076797][ T5523] __arm64_sys_mount+0x514/0x5f0 [ 86.077629][ T5523] invoke_syscall+0x98/0x2b0 [ 86.078393][ T5523] el0_svc_common+0x138/0x258 [ 86.079198][ T5523] do_el0_svc+0x58/0x13c [ 86.079930][ T5523] el0_svc+0x78/0x1d0 [ 86.080617][ T5523] el0t_64_sync_handler+0xcc/0xe4 [ 86.081469][ T5523] el0t_64_sync+0x1a0/0x1a4 [ 86.089201][ T5530] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 86.090431][ T5530] CPU: 1 PID: 5530 Comm: syz.1.47 Not tainted syzkaller #0 [ 86.091708][ T5530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 86.093359][ T5530] Call trace: [ 86.093910][ T5530] dump_backtrace+0x0/0x458 [ 86.094674][ T5530] show_stack+0x2c/0x3c [ 86.095387][ T5530] __dump_stack+0x30/0x40 [ 86.096161][ T5530] dump_stack_lvl+0xf4/0x15c [ 86.096927][ T5530] dump_stack+0x1c/0x5c [ 86.097609][ T5530] sysfs_create_dir_ns+0x244/0x264 [ 86.098483][ T5530] kobject_add_internal+0x5ac/0xc3c [ 86.099343][ T5530] kobject_init_and_add+0x124/0x190 [ 86.100222][ T5530] gfs2_sys_fs_add+0x200/0x41c [ 86.100980][ T5530] gfs2_fill_super+0xddc/0x1a18 [ 86.101807][ T5530] get_tree_bdev+0x358/0x544 [ 86.102569][ T5530] gfs2_get_tree+0x54/0x1b4 [ 86.103351][ T5530] vfs_get_tree+0x90/0x274 [ 86.104086][ T5530] do_new_mount+0x228/0x810 [ 86.104821][ T5530] path_mount+0x5bc/0x1008 [ 86.105540][ T5530] __arm64_sys_mount+0x514/0x5f0 [ 86.106346][ T5530] invoke_syscall+0x98/0x2b0 [ 86.107072][ T5530] el0_svc_common+0x138/0x258 [ 86.107887][ T5530] do_el0_svc+0x58/0x13c [ 86.108607][ T5530] el0_svc+0x78/0x1d0 [ 86.109279][ T5530] el0t_64_sync_handler+0xcc/0xe4 [ 86.110124][ T5530] el0t_64_sync+0x1a0/0x1a4 [ 86.113390][ T5498] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 86.114727][ T5498] CPU: 0 PID: 5498 Comm: syz.2.45 Not tainted syzkaller #0 [ 86.115882][ T5498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 86.117634][ T5498] Call trace: [ 86.118160][ T5498] dump_backtrace+0x0/0x458 [ 86.118950][ T5498] show_stack+0x2c/0x3c [ 86.119636][ T5498] __dump_stack+0x30/0x40 [ 86.120409][ T5498] dump_stack_lvl+0xf4/0x15c [ 86.121177][ T5498] dump_stack+0x1c/0x5c [ 86.121837][ T5498] sysfs_create_dir_ns+0x244/0x264 [ 86.122674][ T5498] kobject_add_internal+0x5ac/0xc3c [ 86.122708][ T5523] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 86.123566][ T5498] kobject_init_and_add+0x124/0x190 [ 86.125729][ T5523] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 86.126605][ T5498] gfs2_sys_fs_add+0x200/0x41c [ 86.128460][ T5498] gfs2_fill_super+0xddc/0x1a18 [ 86.129344][ T5498] get_tree_bdev+0x358/0x544 [ 86.130134][ T5498] gfs2_get_tree+0x54/0x1b4 [ 86.130864][ T5498] vfs_get_tree+0x90/0x274 [ 86.131578][ T5498] do_new_mount+0x228/0x810 [ 86.132335][ T5498] path_mount+0x5bc/0x1008 [ 86.133087][ T5498] __arm64_sys_mount+0x514/0x5f0 [ 86.133873][ T5498] invoke_syscall+0x98/0x2b0 [ 86.134640][ T5498] el0_svc_common+0x138/0x258 [ 86.135448][ T5498] do_el0_svc+0x58/0x13c [ 86.136135][ T5498] el0_svc+0x78/0x1d0 [ 86.136620][ T5530] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 86.136742][ T5498] el0t_64_sync_handler+0xcc/0xe4 [ 86.139054][ T5530] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 86.139846][ T5498] el0t_64_sync+0x1a0/0x1a4 [ 86.194727][ T5498] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 86.196995][ T5498] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 86.304865][ T5547] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 86.306263][ T5547] CPU: 0 PID: 5547 Comm: syz.3.48 Not tainted syzkaller #0 [ 86.307445][ T5547] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 86.309223][ T5547] Call trace: [ 86.309817][ T5547] dump_backtrace+0x0/0x458 [ 86.310577][ T5547] show_stack+0x2c/0x3c [ 86.311220][ T5547] __dump_stack+0x30/0x40 [ 86.311926][ T5547] dump_stack_lvl+0xf4/0x15c [ 86.312702][ T5547] dump_stack+0x1c/0x5c [ 86.313406][ T5547] sysfs_create_dir_ns+0x244/0x264 [ 86.314235][ T5547] kobject_add_internal+0x5ac/0xc3c [ 86.315115][ T5547] kobject_init_and_add+0x124/0x190 [ 86.315982][ T5547] gfs2_sys_fs_add+0x200/0x41c [ 86.316760][ T5547] gfs2_fill_super+0xddc/0x1a18 [ 86.317566][ T5547] get_tree_bdev+0x358/0x544 [ 86.318339][ T5547] gfs2_get_tree+0x54/0x1b4 [ 86.319102][ T5547] vfs_get_tree+0x90/0x274 [ 86.319833][ T5547] do_new_mount+0x228/0x810 [ 86.320590][ T5547] path_mount+0x5bc/0x1008 [ 86.321334][ T5547] __arm64_sys_mount+0x514/0x5f0 [ 86.322157][ T5547] invoke_syscall+0x98/0x2b0 [ 86.322941][ T5547] el0_svc_common+0x138/0x258 [ 86.323691][ T5547] do_el0_svc+0x58/0x13c [ 86.324416][ T5547] el0_svc+0x78/0x1d0 [ 86.325058][ T5547] el0t_64_sync_handler+0xcc/0xe4 [ 86.325898][ T5547] el0t_64_sync+0x1a0/0x1a4 [ 86.371750][ T5547] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 86.374014][ T5547] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 86.424726][ T5530] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 86.425856][ T5530] CPU: 1 PID: 5530 Comm: syz.1.47 Not tainted syzkaller #0 [ 86.427116][ T5530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 86.428791][ T5530] Call trace: [ 86.429314][ T5530] dump_backtrace+0x0/0x458 [ 86.430087][ T5530] show_stack+0x2c/0x3c [ 86.430728][ T5530] __dump_stack+0x30/0x40 [ 86.431484][ T5530] dump_stack_lvl+0xf4/0x15c [ 86.432264][ T5530] dump_stack+0x1c/0x5c [ 86.432974][ T5530] sysfs_create_dir_ns+0x244/0x264 [ 86.433877][ T5530] kobject_add_internal+0x5ac/0xc3c [ 86.434787][ T5530] kobject_init_and_add+0x124/0x190 [ 86.435696][ T5530] gfs2_sys_fs_add+0x200/0x41c [ 86.436514][ T5530] gfs2_fill_super+0xddc/0x1a18 [ 86.437335][ T5530] get_tree_bdev+0x358/0x544 [ 86.438167][ T5530] gfs2_get_tree+0x54/0x1b4 [ 86.438958][ T5530] vfs_get_tree+0x90/0x274 [ 86.439740][ T5530] do_new_mount+0x228/0x810 [ 86.440449][ T5530] path_mount+0x5bc/0x1008 [ 86.441167][ T5530] __arm64_sys_mount+0x514/0x5f0 [ 86.442028][ T5530] invoke_syscall+0x98/0x2b0 [ 86.442788][ T5530] el0_svc_common+0x138/0x258 [ 86.443528][ T5530] do_el0_svc+0x58/0x13c [ 86.444205][ T5530] el0_svc+0x78/0x1d0 [ 86.444852][ T5530] el0t_64_sync_handler+0xcc/0xe4 [ 86.445652][ T5530] el0t_64_sync+0x1a0/0x1a4 [ 86.451778][ T5523] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 86.453076][ T5523] CPU: 0 PID: 5523 Comm: syz.0.46 Not tainted syzkaller #0 [ 86.454323][ T5523] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 86.456022][ T5523] Call trace: [ 86.456606][ T5523] dump_backtrace+0x0/0x458 [ 86.457371][ T5523] show_stack+0x2c/0x3c [ 86.458048][ T5523] __dump_stack+0x30/0x40 [ 86.458815][ T5523] dump_stack_lvl+0xf4/0x15c [ 86.459756][ T5523] dump_stack+0x1c/0x5c [ 86.460463][ T5523] sysfs_create_dir_ns+0x244/0x264 [ 86.461321][ T5523] kobject_add_internal+0x5ac/0xc3c [ 86.462233][ T5523] kobject_init_and_add+0x124/0x190 [ 86.463120][ T5523] gfs2_sys_fs_add+0x200/0x41c [ 86.463940][ T5523] gfs2_fill_super+0xddc/0x1a18 [ 86.464791][ T5523] get_tree_bdev+0x358/0x544 [ 86.465574][ T5523] gfs2_get_tree+0x54/0x1b4 [ 86.466328][ T5523] vfs_get_tree+0x90/0x274 [ 86.467133][ T5523] do_new_mount+0x228/0x810 [ 86.467879][ T5523] path_mount+0x5bc/0x1008 [ 86.468612][ T5523] __arm64_sys_mount+0x514/0x5f0 [ 86.469383][ T5523] invoke_syscall+0x98/0x2b0 [ 86.470094][ T5523] el0_svc_common+0x138/0x258 [ 86.470836][ T5523] do_el0_svc+0x58/0x13c [ 86.471579][ T5523] el0_svc+0x78/0x1d0 [ 86.472302][ T5523] el0t_64_sync_handler+0xcc/0xe4 [ 86.473142][ T5523] el0t_64_sync+0x1a0/0x1a4 [ 86.481702][ T5530] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 86.483948][ T5530] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 86.519780][ T5523] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 86.528021][ T5523] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 86.651515][ T5547] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 86.653464][ T5547] CPU: 0 PID: 5547 Comm: syz.3.48 Not tainted syzkaller #0 [ 86.654645][ T5547] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 86.656185][ T5547] Call trace: [ 86.656646][ T5547] dump_backtrace+0x0/0x458 [ 86.657295][ T5547] show_stack+0x2c/0x3c [ 86.657898][ T5547] __dump_stack+0x30/0x40 [ 86.658568][ T5547] dump_stack_lvl+0xf4/0x15c [ 86.659304][ T5547] dump_stack+0x1c/0x5c [ 86.659972][ T5547] sysfs_create_dir_ns+0x244/0x264 [ 86.660729][ T5547] kobject_add_internal+0x5ac/0xc3c [ 86.661539][ T5547] kobject_init_and_add+0x124/0x190 [ 86.662353][ T5547] gfs2_sys_fs_add+0x200/0x41c [ 86.663081][ T5547] gfs2_fill_super+0xddc/0x1a18 [ 86.663826][ T5547] get_tree_bdev+0x358/0x544 [ 86.664520][ T5547] gfs2_get_tree+0x54/0x1b4 [ 86.665189][ T5547] vfs_get_tree+0x90/0x274 [ 86.665809][ T5547] do_new_mount+0x228/0x810 [ 86.666490][ T5547] path_mount+0x5bc/0x1008 [ 86.667154][ T5547] __arm64_sys_mount+0x514/0x5f0 [ 86.667894][ T5547] invoke_syscall+0x98/0x2b0 [ 86.668562][ T5547] el0_svc_common+0x138/0x258 [ 86.669292][ T5547] do_el0_svc+0x58/0x13c [ 86.669998][ T5547] el0_svc+0x78/0x1d0 [ 86.670680][ T5547] el0t_64_sync_handler+0xcc/0xe4 [ 86.671499][ T5547] el0t_64_sync+0x1a0/0x1a4 [ 86.717901][ T5547] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 86.720116][ T5547] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 86.731860][ T5568] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 86.733147][ T5568] CPU: 1 PID: 5568 Comm: syz.2.49 Not tainted syzkaller #0 [ 86.734384][ T5568] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 86.736096][ T5568] Call trace: [ 86.736626][ T5568] dump_backtrace+0x0/0x458 [ 86.737439][ T5568] show_stack+0x2c/0x3c [ 86.738176][ T5568] __dump_stack+0x30/0x40 [ 86.738934][ T5568] dump_stack_lvl+0xf4/0x15c [ 86.739645][ T5568] dump_stack+0x1c/0x5c [ 86.740306][ T5568] sysfs_create_dir_ns+0x244/0x264 [ 86.741167][ T5568] kobject_add_internal+0x5ac/0xc3c [ 86.742020][ T5568] kobject_init_and_add+0x124/0x190 [ 86.742861][ T5568] gfs2_sys_fs_add+0x200/0x41c [ 86.743645][ T5568] gfs2_fill_super+0xddc/0x1a18 [ 86.744454][ T5568] get_tree_bdev+0x358/0x544 [ 86.745232][ T5568] gfs2_get_tree+0x54/0x1b4 [ 86.745981][ T5568] vfs_get_tree+0x90/0x274 [ 86.746682][ T5568] do_new_mount+0x228/0x810 [ 86.747417][ T5568] path_mount+0x5bc/0x1008 [ 86.748126][ T5568] __arm64_sys_mount+0x514/0x5f0 [ 86.748932][ T5568] invoke_syscall+0x98/0x2b0 [ 86.749751][ T5568] el0_svc_common+0x138/0x258 [ 86.750569][ T5568] do_el0_svc+0x58/0x13c [ 86.751266][ T5568] el0_svc+0x78/0x1d0 [ 86.751961][ T5568] el0t_64_sync_handler+0xcc/0xe4 [ 86.752822][ T5568] el0t_64_sync+0x1a0/0x1a4 [ 86.780345][ T5579] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 86.781869][ T5579] CPU: 1 PID: 5579 Comm: syz.1.50 Not tainted syzkaller #0 [ 86.783007][ T5579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 86.784632][ T5579] Call trace: [ 86.785170][ T5579] dump_backtrace+0x0/0x458 [ 86.785960][ T5579] show_stack+0x2c/0x3c [ 86.786707][ T5579] __dump_stack+0x30/0x40 [ 86.787447][ T5579] dump_stack_lvl+0xf4/0x15c [ 86.788264][ T5579] dump_stack+0x1c/0x5c [ 86.789023][ T5579] sysfs_create_dir_ns+0x244/0x264 [ 86.789871][ T5579] kobject_add_internal+0x5ac/0xc3c [ 86.790738][ T5579] kobject_init_and_add+0x124/0x190 [ 86.791614][ T5579] gfs2_sys_fs_add+0x200/0x41c [ 86.792428][ T5579] gfs2_fill_super+0xddc/0x1a18 [ 86.793248][ T5579] get_tree_bdev+0x358/0x544 [ 86.793997][ T5579] gfs2_get_tree+0x54/0x1b4 [ 86.794706][ T5579] vfs_get_tree+0x90/0x274 [ 86.795434][ T5579] do_new_mount+0x228/0x810 [ 86.796177][ T5579] path_mount+0x5bc/0x1008 [ 86.796931][ T5579] __arm64_sys_mount+0x514/0x5f0 [ 86.797730][ T5579] invoke_syscall+0x98/0x2b0 [ 86.798484][ T5579] el0_svc_common+0x138/0x258 [ 86.799266][ T5579] do_el0_svc+0x58/0x13c [ 86.799969][ T5579] el0_svc+0x78/0x1d0 [ 86.800629][ T5579] el0t_64_sync_handler+0xcc/0xe4 [ 86.801473][ T5579] el0t_64_sync+0x1a0/0x1a4 [ 86.804417][ T5568] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 86.806521][ T5568] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 86.809225][ T5585] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 86.810445][ T5585] CPU: 0 PID: 5585 Comm: syz.0.51 Not tainted syzkaller #0 [ 86.811737][ T5585] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 86.813462][ T5585] Call trace: [ 86.814016][ T5585] dump_backtrace+0x0/0x458 [ 86.814822][ T5585] show_stack+0x2c/0x3c [ 86.815539][ T5585] __dump_stack+0x30/0x40 [ 86.816253][ T5585] dump_stack_lvl+0xf4/0x15c [ 86.817062][ T5585] dump_stack+0x1c/0x5c [ 86.817781][ T5585] sysfs_create_dir_ns+0x244/0x264 [ 86.818662][ T5585] kobject_add_internal+0x5ac/0xc3c [ 86.819574][ T5585] kobject_init_and_add+0x124/0x190 [ 86.820469][ T5585] gfs2_sys_fs_add+0x200/0x41c [ 86.821213][ T5585] gfs2_fill_super+0xddc/0x1a18 [ 86.822094][ T5585] get_tree_bdev+0x358/0x544 [ 86.822690][ T5579] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 86.822880][ T5585] gfs2_get_tree+0x54/0x1b4 [ 86.825081][ T5579] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 86.825760][ T5585] vfs_get_tree+0x90/0x274 [ 86.827420][ T5585] do_new_mount+0x228/0x810 [ 86.828077][ T5585] path_mount+0x5bc/0x1008 [ 86.828905][ T5585] __arm64_sys_mount+0x514/0x5f0 [ 86.829732][ T5585] invoke_syscall+0x98/0x2b0 [ 86.830477][ T5585] el0_svc_common+0x138/0x258 [ 86.831232][ T5585] do_el0_svc+0x58/0x13c [ 86.831932][ T5585] el0_svc+0x78/0x1d0 [ 86.832584][ T5585] el0t_64_sync_handler+0xcc/0xe4 [ 86.833393][ T5585] el0t_64_sync+0x1a0/0x1a4 [ 86.886526][ T5585] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 86.888717][ T5585] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 87.097299][ T5568] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 87.098677][ T5568] CPU: 1 PID: 5568 Comm: syz.2.49 Not tainted syzkaller #0 [ 87.099914][ T5568] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 87.101607][ T5568] Call trace: [ 87.102135][ T5568] dump_backtrace+0x0/0x458 [ 87.102907][ T5568] show_stack+0x2c/0x3c [ 87.103573][ T5568] __dump_stack+0x30/0x40 [ 87.104263][ T5568] dump_stack_lvl+0xf4/0x15c [ 87.105057][ T5568] dump_stack+0x1c/0x5c [ 87.105773][ T5568] sysfs_create_dir_ns+0x244/0x264 [ 87.106618][ T5568] kobject_add_internal+0x5ac/0xc3c [ 87.107474][ T5568] kobject_init_and_add+0x124/0x190 [ 87.108364][ T5568] gfs2_sys_fs_add+0x200/0x41c [ 87.109192][ T5568] gfs2_fill_super+0xddc/0x1a18 [ 87.110016][ T5568] get_tree_bdev+0x358/0x544 [ 87.110811][ T5568] gfs2_get_tree+0x54/0x1b4 [ 87.111534][ T5568] vfs_get_tree+0x90/0x274 [ 87.112259][ T5568] do_new_mount+0x228/0x810 [ 87.112973][ T5568] path_mount+0x5bc/0x1008 [ 87.113730][ T5568] __arm64_sys_mount+0x514/0x5f0 [ 87.114587][ T5568] invoke_syscall+0x98/0x2b0 [ 87.115362][ T5568] el0_svc_common+0x138/0x258 [ 87.116195][ T5568] do_el0_svc+0x58/0x13c [ 87.116957][ T5568] el0_svc+0x78/0x1d0 [ 87.117647][ T5568] el0t_64_sync_handler+0xcc/0xe4 [ 87.118503][ T5568] el0t_64_sync+0x1a0/0x1a4 [ 87.158775][ T5568] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 87.161225][ T5568] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 87.161513][ T5579] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 87.172838][ T5579] CPU: 0 PID: 5579 Comm: syz.1.50 Not tainted syzkaller #0 [ 87.174138][ T5579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 87.175906][ T5579] Call trace: [ 87.176459][ T5579] dump_backtrace+0x0/0x458 [ 87.177260][ T5579] show_stack+0x2c/0x3c [ 87.177974][ T5579] __dump_stack+0x30/0x40 [ 87.178740][ T5579] dump_stack_lvl+0xf4/0x15c [ 87.179553][ T5579] dump_stack+0x1c/0x5c [ 87.180320][ T5579] sysfs_create_dir_ns+0x244/0x264 [ 87.181137][ T5579] kobject_add_internal+0x5ac/0xc3c [ 87.182029][ T5579] kobject_init_and_add+0x124/0x190 [ 87.182932][ T5579] gfs2_sys_fs_add+0x200/0x41c [ 87.183780][ T5579] gfs2_fill_super+0xddc/0x1a18 [ 87.184615][ T5579] get_tree_bdev+0x358/0x544 [ 87.185370][ T5579] gfs2_get_tree+0x54/0x1b4 [ 87.186135][ T5579] vfs_get_tree+0x90/0x274 [ 87.186901][ T5579] do_new_mount+0x228/0x810 [ 87.187643][ T5579] path_mount+0x5bc/0x1008 [ 87.188335][ T5579] __arm64_sys_mount+0x514/0x5f0 [ 87.189165][ T5579] invoke_syscall+0x98/0x2b0 [ 87.189923][ T5579] el0_svc_common+0x138/0x258 [ 87.190744][ T5579] do_el0_svc+0x58/0x13c [ 87.191438][ T5579] el0_svc+0x78/0x1d0 [ 87.192125][ T5579] el0t_64_sync_handler+0xcc/0xe4 [ 87.192965][ T5579] el0t_64_sync+0x1a0/0x1a4 [ 87.200777][ T5603] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 87.207335][ T5603] CPU: 1 PID: 5603 Comm: syz.3.52 Not tainted syzkaller #0 [ 87.208526][ T5603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 87.210180][ T5603] Call trace: [ 87.210743][ T5603] dump_backtrace+0x0/0x458 [ 87.211570][ T5603] show_stack+0x2c/0x3c [ 87.212275][ T5603] __dump_stack+0x30/0x40 [ 87.213026][ T5603] dump_stack_lvl+0xf4/0x15c [ 87.213860][ T5603] dump_stack+0x1c/0x5c [ 87.214590][ T5603] sysfs_create_dir_ns+0x244/0x264 [ 87.215481][ T5603] kobject_add_internal+0x5ac/0xc3c [ 87.216335][ T5603] kobject_init_and_add+0x124/0x190 [ 87.217169][ T5603] gfs2_sys_fs_add+0x200/0x41c [ 87.217961][ T5603] gfs2_fill_super+0xddc/0x1a18 [ 87.218760][ T5603] get_tree_bdev+0x358/0x544 [ 87.219492][ T5603] gfs2_get_tree+0x54/0x1b4 [ 87.220306][ T5603] vfs_get_tree+0x90/0x274 [ 87.221027][ T5603] do_new_mount+0x228/0x810 [ 87.221804][ T5603] path_mount+0x5bc/0x1008 1970/01/01 00:01:27 executed programs: 48 [ 87.222546][ T5603] __arm64_sys_mount+0x514/0x5f0 [ 87.223405][ T5603] invoke_syscall+0x98/0x2b0 [ 87.224180][ T5603] el0_svc_common+0x138/0x258 [ 87.225023][ T5603] do_el0_svc+0x58/0x13c [ 87.225736][ T5603] el0_svc+0x78/0x1d0 [ 87.226451][ T5603] el0t_64_sync_handler+0xcc/0xe4 [ 87.227269][ T5603] el0t_64_sync+0x1a0/0x1a4 [ 87.264631][ T5579] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 87.266612][ T5603] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 87.267270][ T5579] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 87.269471][ T5603] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 87.289192][ T5585] set_capacity_and_notify: 37 callbacks suppressed [ 87.289201][ T5585] loop0: detected capacity change from 0 to 32768 [ 87.335029][ T5585] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 87.336371][ T5585] CPU: 0 PID: 5585 Comm: syz.0.51 Not tainted syzkaller #0 [ 87.337590][ T5585] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 87.339277][ T5585] Call trace: [ 87.339775][ T5585] dump_backtrace+0x0/0x458 [ 87.340505][ T5585] show_stack+0x2c/0x3c [ 87.341188][ T5585] __dump_stack+0x30/0x40 [ 87.341932][ T5585] dump_stack_lvl+0xf4/0x15c [ 87.342693][ T5585] dump_stack+0x1c/0x5c [ 87.343381][ T5585] sysfs_create_dir_ns+0x244/0x264 [ 87.344288][ T5585] kobject_add_internal+0x5ac/0xc3c [ 87.345227][ T5585] kobject_init_and_add+0x124/0x190 [ 87.346111][ T5585] gfs2_sys_fs_add+0x200/0x41c [ 87.346916][ T5585] gfs2_fill_super+0xddc/0x1a18 [ 87.347708][ T5585] get_tree_bdev+0x358/0x544 [ 87.348539][ T5585] gfs2_get_tree+0x54/0x1b4 [ 87.349314][ T5585] vfs_get_tree+0x90/0x274 [ 87.350084][ T5585] do_new_mount+0x228/0x810 [ 87.350847][ T5585] path_mount+0x5bc/0x1008 [ 87.351534][ T5585] __arm64_sys_mount+0x514/0x5f0 [ 87.352365][ T5585] invoke_syscall+0x98/0x2b0 [ 87.353164][ T5585] el0_svc_common+0x138/0x258 [ 87.354007][ T5585] do_el0_svc+0x58/0x13c [ 87.354721][ T5585] el0_svc+0x78/0x1d0 [ 87.355432][ T5585] el0t_64_sync_handler+0xcc/0xe4 [ 87.356254][ T5585] el0t_64_sync+0x1a0/0x1a4 [ 87.403503][ T5585] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 87.429634][ T5585] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 87.489225][ T5623] loop2: detected capacity change from 0 to 32768 [ 87.545661][ T5603] loop3: detected capacity change from 0 to 32768 [ 87.577032][ T5623] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 87.578198][ T5623] CPU: 0 PID: 5623 Comm: syz.2.53 Not tainted syzkaller #0 [ 87.579367][ T5623] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 87.580903][ T5623] Call trace: [ 87.581400][ T5623] dump_backtrace+0x0/0x458 [ 87.582168][ T5623] show_stack+0x2c/0x3c [ 87.582870][ T5623] __dump_stack+0x30/0x40 [ 87.583626][ T5623] dump_stack_lvl+0xf4/0x15c [ 87.584386][ T5623] dump_stack+0x1c/0x5c [ 87.585099][ T5623] sysfs_create_dir_ns+0x244/0x264 [ 87.585988][ T5623] kobject_add_internal+0x5ac/0xc3c [ 87.586917][ T5623] kobject_init_and_add+0x124/0x190 [ 87.587779][ T5623] gfs2_sys_fs_add+0x200/0x41c [ 87.588591][ T5623] gfs2_fill_super+0xddc/0x1a18 [ 87.589388][ T5623] get_tree_bdev+0x358/0x544 [ 87.590215][ T5623] gfs2_get_tree+0x54/0x1b4 [ 87.591007][ T5623] vfs_get_tree+0x90/0x274 [ 87.591831][ T5623] do_new_mount+0x228/0x810 [ 87.592600][ T5623] path_mount+0x5bc/0x1008 [ 87.593330][ T5623] __arm64_sys_mount+0x514/0x5f0 [ 87.594190][ T5623] invoke_syscall+0x98/0x2b0 [ 87.594940][ T5623] el0_svc_common+0x138/0x258 [ 87.595711][ T5623] do_el0_svc+0x58/0x13c [ 87.596386][ T5623] el0_svc+0x78/0x1d0 [ 87.597049][ T5623] el0t_64_sync_handler+0xcc/0xe4 [ 87.597899][ T5623] el0t_64_sync+0x1a0/0x1a4 [ 87.601715][ T5623] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 87.603820][ T5623] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 87.605617][ T5603] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 87.606776][ T5603] CPU: 1 PID: 5603 Comm: syz.3.52 Not tainted syzkaller #0 [ 87.607973][ T5603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 87.609650][ T5603] Call trace: [ 87.610196][ T5603] dump_backtrace+0x0/0x458 [ 87.610969][ T5603] show_stack+0x2c/0x3c [ 87.611674][ T5603] __dump_stack+0x30/0x40 [ 87.612409][ T5603] dump_stack_lvl+0xf4/0x15c [ 87.613159][ T5603] dump_stack+0x1c/0x5c [ 87.613851][ T5603] sysfs_create_dir_ns+0x244/0x264 [ 87.614704][ T5603] kobject_add_internal+0x5ac/0xc3c [ 87.615571][ T5603] kobject_init_and_add+0x124/0x190 [ 87.616463][ T5603] gfs2_sys_fs_add+0x200/0x41c [ 87.617271][ T5603] gfs2_fill_super+0xddc/0x1a18 [ 87.618086][ T5603] get_tree_bdev+0x358/0x544 [ 87.618864][ T5603] gfs2_get_tree+0x54/0x1b4 [ 87.619605][ T5603] vfs_get_tree+0x90/0x274 [ 87.620283][ T5603] do_new_mount+0x228/0x810 [ 87.621049][ T5603] path_mount+0x5bc/0x1008 [ 87.621808][ T5603] __arm64_sys_mount+0x514/0x5f0 [ 87.622642][ T5603] invoke_syscall+0x98/0x2b0 [ 87.623435][ T5603] el0_svc_common+0x138/0x258 [ 87.624260][ T5603] do_el0_svc+0x58/0x13c [ 87.624972][ T5603] el0_svc+0x78/0x1d0 [ 87.625624][ T5603] el0t_64_sync_handler+0xcc/0xe4 [ 87.626432][ T5636] loop1: detected capacity change from 0 to 32768 [ 87.626487][ T5603] el0t_64_sync+0x1a0/0x1a4 [ 87.664092][ T5636] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 87.665420][ T5636] CPU: 0 PID: 5636 Comm: syz.1.54 Not tainted syzkaller #0 [ 87.666649][ T5636] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 87.668316][ T5636] Call trace: [ 87.668857][ T5636] dump_backtrace+0x0/0x458 [ 87.669634][ T5636] show_stack+0x2c/0x3c [ 87.670296][ T5636] __dump_stack+0x30/0x40 [ 87.670965][ T5603] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 87.670988][ T5603] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 87.673102][ T5636] dump_stack_lvl+0xf4/0x15c [ 87.673118][ T5636] dump_stack+0x1c/0x5c [ 87.673124][ T5636] sysfs_create_dir_ns+0x244/0x264 [ 87.673132][ T5636] kobject_add_internal+0x5ac/0xc3c [ 87.673138][ T5636] kobject_init_and_add+0x124/0x190 [ 87.673143][ T5636] gfs2_sys_fs_add+0x200/0x41c [ 87.678979][ T5636] gfs2_fill_super+0xddc/0x1a18 [ 87.679795][ T5636] get_tree_bdev+0x358/0x544 [ 87.680617][ T5636] gfs2_get_tree+0x54/0x1b4 [ 87.681370][ T5636] vfs_get_tree+0x90/0x274 [ 87.682103][ T5636] do_new_mount+0x228/0x810 [ 87.682884][ T5636] path_mount+0x5bc/0x1008 [ 87.683616][ T5636] __arm64_sys_mount+0x514/0x5f0 [ 87.684439][ T5636] invoke_syscall+0x98/0x2b0 [ 87.685150][ T5636] el0_svc_common+0x138/0x258 [ 87.685903][ T5636] do_el0_svc+0x58/0x13c [ 87.686623][ T5636] el0_svc+0x78/0x1d0 [ 87.687268][ T5636] el0t_64_sync_handler+0xcc/0xe4 [ 87.688110][ T5636] el0t_64_sync+0x1a0/0x1a4 [ 87.714866][ T5639] loop0: detected capacity change from 0 to 32768 [ 87.721047][ T5639] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 87.723893][ T5639] CPU: 1 PID: 5639 Comm: syz.0.55 Not tainted syzkaller #0 [ 87.725068][ T5639] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 87.726764][ T5639] Call trace: [ 87.727326][ T5639] dump_backtrace+0x0/0x458 [ 87.728056][ T5639] show_stack+0x2c/0x3c [ 87.728734][ T5639] __dump_stack+0x30/0x40 [ 87.729450][ T5639] dump_stack_lvl+0xf4/0x15c [ 87.730165][ T5639] dump_stack+0x1c/0x5c [ 87.730622][ T5636] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 87.730907][ T5639] sysfs_create_dir_ns+0x244/0x264 [ 87.733974][ T5639] kobject_add_internal+0x5ac/0xc3c [ 87.734822][ T5639] kobject_init_and_add+0x124/0x190 [ 87.735684][ T5639] gfs2_sys_fs_add+0x200/0x41c [ 87.736452][ T5639] gfs2_fill_super+0xddc/0x1a18 [ 87.737100][ T5636] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 87.737243][ T5639] get_tree_bdev+0x358/0x544 [ 87.738997][ T5639] gfs2_get_tree+0x54/0x1b4 [ 87.739716][ T5639] vfs_get_tree+0x90/0x274 [ 87.740381][ T5639] do_new_mount+0x228/0x810 [ 87.741160][ T5639] path_mount+0x5bc/0x1008 [ 87.741864][ T5639] __arm64_sys_mount+0x514/0x5f0 [ 87.742711][ T5639] invoke_syscall+0x98/0x2b0 [ 87.743484][ T5639] el0_svc_common+0x138/0x258 [ 87.744247][ T5639] do_el0_svc+0x58/0x13c [ 87.744958][ T5639] el0_svc+0x78/0x1d0 [ 87.745627][ T5639] el0t_64_sync_handler+0xcc/0xe4 [ 87.746515][ T5639] el0t_64_sync+0x1a0/0x1a4 [ 87.808389][ T5639] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 87.810693][ T5639] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 87.956404][ T5623] loop2: detected capacity change from 0 to 32768 [ 87.966263][ T5623] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 87.967463][ T5623] CPU: 0 PID: 5623 Comm: syz.2.53 Not tainted syzkaller #0 [ 87.968672][ T5623] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 87.970481][ T5623] Call trace: [ 87.971015][ T5623] dump_backtrace+0x0/0x458 [ 87.971801][ T5623] show_stack+0x2c/0x3c [ 87.972519][ T5623] __dump_stack+0x30/0x40 [ 87.973292][ T5623] dump_stack_lvl+0xf4/0x15c [ 87.974095][ T5623] dump_stack+0x1c/0x5c [ 87.974787][ T5623] sysfs_create_dir_ns+0x244/0x264 [ 87.975722][ T5623] kobject_add_internal+0x5ac/0xc3c [ 87.976562][ T5623] kobject_init_and_add+0x124/0x190 [ 87.977470][ T5623] gfs2_sys_fs_add+0x200/0x41c [ 87.978295][ T5623] gfs2_fill_super+0xddc/0x1a18 [ 87.979057][ T5623] get_tree_bdev+0x358/0x544 [ 87.979818][ T5623] gfs2_get_tree+0x54/0x1b4 [ 87.980543][ T5623] vfs_get_tree+0x90/0x274 [ 87.981267][ T5623] do_new_mount+0x228/0x810 [ 87.982048][ T5623] path_mount+0x5bc/0x1008 [ 87.982718][ T5623] __arm64_sys_mount+0x514/0x5f0 [ 87.983562][ T5623] invoke_syscall+0x98/0x2b0 [ 87.984386][ T5623] el0_svc_common+0x138/0x258 [ 87.985169][ T5623] do_el0_svc+0x58/0x13c [ 87.985879][ T5623] el0_svc+0x78/0x1d0 [ 87.986593][ T5623] el0t_64_sync_handler+0xcc/0xe4 [ 87.987549][ T5623] el0t_64_sync+0x1a0/0x1a4 [ 88.018527][ T5656] loop3: detected capacity change from 0 to 32768 [ 88.025707][ T5656] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 88.026968][ T5656] CPU: 1 PID: 5656 Comm: syz.3.56 Not tainted syzkaller #0 [ 88.028123][ T5636] loop1: detected capacity change from 0 to 32768 [ 88.028216][ T5656] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 88.030943][ T5656] Call trace: [ 88.031514][ T5656] dump_backtrace+0x0/0x458 [ 88.032312][ T5656] show_stack+0x2c/0x3c [ 88.033073][ T5656] __dump_stack+0x30/0x40 [ 88.033836][ T5656] dump_stack_lvl+0xf4/0x15c [ 88.034612][ T5656] dump_stack+0x1c/0x5c [ 88.035346][ T5656] sysfs_create_dir_ns+0x244/0x264 [ 88.035437][ T5623] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 88.036222][ T5656] kobject_add_internal+0x5ac/0xc3c [ 88.038400][ T5623] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 88.039238][ T5656] kobject_init_and_add+0x124/0x190 [ 88.041157][ T5656] gfs2_sys_fs_add+0x200/0x41c [ 88.041945][ T5656] gfs2_fill_super+0xddc/0x1a18 [ 88.042788][ T5656] get_tree_bdev+0x358/0x544 [ 88.043575][ T5656] gfs2_get_tree+0x54/0x1b4 [ 88.044299][ T5656] vfs_get_tree+0x90/0x274 [ 88.045064][ T5656] do_new_mount+0x228/0x810 [ 88.045833][ T5656] path_mount+0x5bc/0x1008 [ 88.046581][ T5656] __arm64_sys_mount+0x514/0x5f0 [ 88.047512][ T5656] invoke_syscall+0x98/0x2b0 [ 88.048333][ T5656] el0_svc_common+0x138/0x258 [ 88.049153][ T5656] do_el0_svc+0x58/0x13c [ 88.049845][ T5656] el0_svc+0x78/0x1d0 [ 88.050528][ T5656] el0t_64_sync_handler+0xcc/0xe4 [ 88.051412][ T5656] el0t_64_sync+0x1a0/0x1a4 [ 88.055622][ T5636] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 88.056819][ T5636] CPU: 0 PID: 5636 Comm: syz.1.54 Not tainted syzkaller #0 [ 88.058023][ T5636] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 88.059737][ T5636] Call trace: [ 88.060297][ T5636] dump_backtrace+0x0/0x458 [ 88.061006][ T5636] show_stack+0x2c/0x3c [ 88.061698][ T5636] __dump_stack+0x30/0x40 [ 88.062412][ T5636] dump_stack_lvl+0xf4/0x15c [ 88.063223][ T5636] dump_stack+0x1c/0x5c [ 88.063936][ T5636] sysfs_create_dir_ns+0x244/0x264 [ 88.064828][ T5636] kobject_add_internal+0x5ac/0xc3c [ 88.065737][ T5636] kobject_init_and_add+0x124/0x190 [ 88.066557][ T5636] gfs2_sys_fs_add+0x200/0x41c [ 88.067347][ T5636] gfs2_fill_super+0xddc/0x1a18 [ 88.068192][ T5636] get_tree_bdev+0x358/0x544 [ 88.068932][ T5636] gfs2_get_tree+0x54/0x1b4 [ 88.069661][ T5636] vfs_get_tree+0x90/0x274 [ 88.070418][ T5636] do_new_mount+0x228/0x810 [ 88.071222][ T5636] path_mount+0x5bc/0x1008 [ 88.072000][ T5636] __arm64_sys_mount+0x514/0x5f0 [ 88.072791][ T5636] invoke_syscall+0x98/0x2b0 [ 88.073547][ T5636] el0_svc_common+0x138/0x258 [ 88.074349][ T5636] do_el0_svc+0x58/0x13c [ 88.075081][ T5636] el0_svc+0x78/0x1d0 [ 88.075767][ T5636] el0t_64_sync_handler+0xcc/0xe4 [ 88.076638][ T5636] el0t_64_sync+0x1a0/0x1a4 [ 88.101665][ T5636] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 88.105909][ T5636] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 88.113176][ T5656] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 88.119223][ T5656] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 88.128306][ T5639] loop0: detected capacity change from 0 to 32768 [ 88.141887][ T5639] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 88.143231][ T5639] CPU: 1 PID: 5639 Comm: syz.0.55 Not tainted syzkaller #0 [ 88.144480][ T5639] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 88.146023][ T5639] Call trace: [ 88.146612][ T5639] dump_backtrace+0x0/0x458 [ 88.147422][ T5639] show_stack+0x2c/0x3c [ 88.148126][ T5639] __dump_stack+0x30/0x40 [ 88.148870][ T5639] dump_stack_lvl+0xf4/0x15c [ 88.149642][ T5639] dump_stack+0x1c/0x5c [ 88.150393][ T5639] sysfs_create_dir_ns+0x244/0x264 [ 88.151277][ T5639] kobject_add_internal+0x5ac/0xc3c [ 88.152213][ T5639] kobject_init_and_add+0x124/0x190 [ 88.153119][ T5639] gfs2_sys_fs_add+0x200/0x41c [ 88.153945][ T5639] gfs2_fill_super+0xddc/0x1a18 [ 88.154774][ T5639] get_tree_bdev+0x358/0x544 [ 88.155584][ T5639] gfs2_get_tree+0x54/0x1b4 [ 88.156348][ T5639] vfs_get_tree+0x90/0x274 [ 88.157135][ T5639] do_new_mount+0x228/0x810 [ 88.157959][ T5639] path_mount+0x5bc/0x1008 [ 88.158752][ T5639] __arm64_sys_mount+0x514/0x5f0 [ 88.159519][ T5639] invoke_syscall+0x98/0x2b0 [ 88.160302][ T5639] el0_svc_common+0x138/0x258 [ 88.161128][ T5639] do_el0_svc+0x58/0x13c [ 88.161861][ T5639] el0_svc+0x78/0x1d0 [ 88.162514][ T5639] el0t_64_sync_handler+0xcc/0xe4 [ 88.163370][ T5639] el0t_64_sync+0x1a0/0x1a4 [ 88.211469][ T5639] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 88.213847][ T5639] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 88.395091][ T5682] loop1: detected capacity change from 0 to 32768 [ 88.407085][ T5682] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 88.408289][ T5682] CPU: 0 PID: 5682 Comm: syz.1.57 Not tainted syzkaller #0 [ 88.409639][ T5682] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 88.411343][ T5682] Call trace: [ 88.411874][ T5682] dump_backtrace+0x0/0x458 [ 88.412650][ T5682] show_stack+0x2c/0x3c [ 88.413296][ T5682] __dump_stack+0x30/0x40 [ 88.414031][ T5682] dump_stack_lvl+0xf4/0x15c [ 88.414782][ T5682] dump_stack+0x1c/0x5c [ 88.415481][ T5682] sysfs_create_dir_ns+0x244/0x264 [ 88.416326][ T5682] kobject_add_internal+0x5ac/0xc3c [ 88.417208][ T5682] kobject_init_and_add+0x124/0x190 [ 88.418100][ T5682] gfs2_sys_fs_add+0x200/0x41c [ 88.418859][ T5682] gfs2_fill_super+0xddc/0x1a18 [ 88.419647][ T5682] get_tree_bdev+0x358/0x544 [ 88.420457][ T5682] gfs2_get_tree+0x54/0x1b4 [ 88.421236][ T5682] vfs_get_tree+0x90/0x274 [ 88.421979][ T5682] do_new_mount+0x228/0x810 [ 88.422705][ T5682] path_mount+0x5bc/0x1008 [ 88.423472][ T5682] __arm64_sys_mount+0x514/0x5f0 [ 88.424311][ T5682] invoke_syscall+0x98/0x2b0 [ 88.425084][ T5682] el0_svc_common+0x138/0x258 [ 88.425851][ T5682] do_el0_svc+0x58/0x13c [ 88.426559][ T5682] el0_svc+0x78/0x1d0 [ 88.427226][ T5682] el0t_64_sync_handler+0xcc/0xe4 [ 88.428037][ T5682] el0t_64_sync+0x1a0/0x1a4 [ 88.452181][ T5656] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 88.453421][ T5656] CPU: 1 PID: 5656 Comm: syz.3.56 Not tainted syzkaller #0 [ 88.454645][ T5656] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 88.456367][ T5656] Call trace: [ 88.456917][ T5656] dump_backtrace+0x0/0x458 [ 88.457698][ T5656] show_stack+0x2c/0x3c [ 88.458408][ T5656] __dump_stack+0x30/0x40 [ 88.459118][ T5656] dump_stack_lvl+0xf4/0x15c [ 88.459653][ T5682] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 88.459926][ T5656] dump_stack+0x1c/0x5c [ 88.462794][ T5656] sysfs_create_dir_ns+0x244/0x264 [ 88.463712][ T5656] kobject_add_internal+0x5ac/0xc3c [ 88.464587][ T5656] kobject_init_and_add+0x124/0x190 [ 88.465458][ T5656] gfs2_sys_fs_add+0x200/0x41c [ 88.466236][ T5656] gfs2_fill_super+0xddc/0x1a18 [ 88.467019][ T5656] get_tree_bdev+0x358/0x544 [ 88.467771][ T5656] gfs2_get_tree+0x54/0x1b4 [ 88.468530][ T5656] vfs_get_tree+0x90/0x274 [ 88.469247][ T5656] do_new_mount+0x228/0x810 [ 88.469741][ T5682] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 88.470065][ T5656] path_mount+0x5bc/0x1008 [ 88.471833][ T5656] __arm64_sys_mount+0x514/0x5f0 [ 88.472682][ T5656] invoke_syscall+0x98/0x2b0 [ 88.473501][ T5656] el0_svc_common+0x138/0x258 [ 88.474296][ T5656] do_el0_svc+0x58/0x13c [ 88.475033][ T5656] el0_svc+0x78/0x1d0 [ 88.475740][ T5656] el0t_64_sync_handler+0xcc/0xe4 [ 88.476587][ T5656] el0t_64_sync+0x1a0/0x1a4 [ 88.513318][ T5656] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 88.515529][ T5656] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 88.554494][ T5690] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 88.555807][ T5690] CPU: 0 PID: 5690 Comm: syz.0.58 Not tainted syzkaller #0 [ 88.556966][ T5690] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 88.558734][ T5690] Call trace: [ 88.559268][ T5690] dump_backtrace+0x0/0x458 [ 88.560070][ T5690] show_stack+0x2c/0x3c [ 88.560729][ T5690] __dump_stack+0x30/0x40 [ 88.561477][ T5690] dump_stack_lvl+0xf4/0x15c [ 88.562260][ T5690] dump_stack+0x1c/0x5c [ 88.562993][ T5690] sysfs_create_dir_ns+0x244/0x264 [ 88.563896][ T5690] kobject_add_internal+0x5ac/0xc3c [ 88.564873][ T5690] kobject_init_and_add+0x124/0x190 [ 88.565778][ T5690] gfs2_sys_fs_add+0x200/0x41c [ 88.566638][ T5690] gfs2_fill_super+0xddc/0x1a18 [ 88.567491][ T5690] get_tree_bdev+0x358/0x544 [ 88.568273][ T5690] gfs2_get_tree+0x54/0x1b4 [ 88.569050][ T5690] vfs_get_tree+0x90/0x274 [ 88.569783][ T5690] do_new_mount+0x228/0x810 [ 88.570555][ T5690] path_mount+0x5bc/0x1008 [ 88.571321][ T5690] __arm64_sys_mount+0x514/0x5f0 [ 88.572102][ T5690] invoke_syscall+0x98/0x2b0 [ 88.572928][ T5690] el0_svc_common+0x138/0x258 [ 88.573678][ T5690] do_el0_svc+0x58/0x13c [ 88.574429][ T5690] el0_svc+0x78/0x1d0 [ 88.575132][ T5690] el0t_64_sync_handler+0xcc/0xe4 [ 88.576015][ T5690] el0t_64_sync+0x1a0/0x1a4 [ 88.592008][ T5695] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 88.593274][ T5695] CPU: 1 PID: 5695 Comm: syz.2.59 Not tainted syzkaller #0 [ 88.594435][ T5695] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 88.596093][ T5695] Call trace: [ 88.596631][ T5695] dump_backtrace+0x0/0x458 [ 88.597366][ T5695] show_stack+0x2c/0x3c [ 88.598105][ T5695] __dump_stack+0x30/0x40 [ 88.598804][ T5695] dump_stack_lvl+0xf4/0x15c [ 88.599592][ T5695] dump_stack+0x1c/0x5c [ 88.600270][ T5695] sysfs_create_dir_ns+0x244/0x264 [ 88.601113][ T5695] kobject_add_internal+0x5ac/0xc3c [ 88.601993][ T5695] kobject_init_and_add+0x124/0x190 [ 88.602814][ T5695] gfs2_sys_fs_add+0x200/0x41c [ 88.603646][ T5695] gfs2_fill_super+0xddc/0x1a18 [ 88.604466][ T5695] get_tree_bdev+0x358/0x544 [ 88.605228][ T5695] gfs2_get_tree+0x54/0x1b4 [ 88.606011][ T5695] vfs_get_tree+0x90/0x274 [ 88.606769][ T5695] do_new_mount+0x228/0x810 [ 88.607552][ T5695] path_mount+0x5bc/0x1008 [ 88.608284][ T5695] __arm64_sys_mount+0x514/0x5f0 [ 88.609123][ T5695] invoke_syscall+0x98/0x2b0 [ 88.609884][ T5695] el0_svc_common+0x138/0x258 [ 88.610630][ T5695] do_el0_svc+0x58/0x13c [ 88.611329][ T5695] el0_svc+0x78/0x1d0 [ 88.612000][ T5695] el0t_64_sync_handler+0xcc/0xe4 [ 88.612843][ T5695] el0t_64_sync+0x1a0/0x1a4 [ 88.616313][ T5690] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 88.618501][ T5690] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 88.638742][ T5695] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 88.641015][ T5695] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 88.683037][ T5682] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 88.684391][ T5682] CPU: 0 PID: 5682 Comm: syz.1.57 Not tainted syzkaller #0 [ 88.685602][ T5682] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 88.687318][ T5682] Call trace: [ 88.687847][ T5682] dump_backtrace+0x0/0x458 [ 88.688582][ T5682] show_stack+0x2c/0x3c [ 88.689265][ T5682] __dump_stack+0x30/0x40 [ 88.689970][ T5682] dump_stack_lvl+0xf4/0x15c [ 88.690754][ T5682] dump_stack+0x1c/0x5c [ 88.691446][ T5682] sysfs_create_dir_ns+0x244/0x264 [ 88.692294][ T5682] kobject_add_internal+0x5ac/0xc3c [ 88.693124][ T5682] kobject_init_and_add+0x124/0x190 [ 88.693955][ T5682] gfs2_sys_fs_add+0x200/0x41c [ 88.694745][ T5682] gfs2_fill_super+0xddc/0x1a18 [ 88.695564][ T5682] get_tree_bdev+0x358/0x544 [ 88.696277][ T5682] gfs2_get_tree+0x54/0x1b4 [ 88.697041][ T5682] vfs_get_tree+0x90/0x274 [ 88.697777][ T5682] do_new_mount+0x228/0x810 [ 88.698527][ T5682] path_mount+0x5bc/0x1008 [ 88.699302][ T5682] __arm64_sys_mount+0x514/0x5f0 [ 88.700144][ T5682] invoke_syscall+0x98/0x2b0 [ 88.700940][ T5682] el0_svc_common+0x138/0x258 [ 88.701731][ T5682] do_el0_svc+0x58/0x13c [ 88.702444][ T5682] el0_svc+0x78/0x1d0 [ 88.703136][ T5682] el0t_64_sync_handler+0xcc/0xe4 [ 88.703994][ T5682] el0t_64_sync+0x1a0/0x1a4 [ 88.736114][ T5682] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 88.739212][ T5682] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 88.814138][ T5701] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 88.815427][ T5701] CPU: 1 PID: 5701 Comm: syz.3.60 Not tainted syzkaller #0 [ 88.816636][ T5701] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 88.818302][ T5701] Call trace: [ 88.818800][ T5701] dump_backtrace+0x0/0x458 [ 88.819567][ T5701] show_stack+0x2c/0x3c [ 88.820231][ T5701] __dump_stack+0x30/0x40 [ 88.820940][ T5701] dump_stack_lvl+0xf4/0x15c [ 88.821714][ T5701] dump_stack+0x1c/0x5c [ 88.822416][ T5701] sysfs_create_dir_ns+0x244/0x264 [ 88.823339][ T5701] kobject_add_internal+0x5ac/0xc3c [ 88.824262][ T5701] kobject_init_and_add+0x124/0x190 [ 88.825109][ T5701] gfs2_sys_fs_add+0x200/0x41c [ 88.825928][ T5701] gfs2_fill_super+0xddc/0x1a18 [ 88.826773][ T5701] get_tree_bdev+0x358/0x544 [ 88.827525][ T5701] gfs2_get_tree+0x54/0x1b4 [ 88.828276][ T5701] vfs_get_tree+0x90/0x274 [ 88.829011][ T5701] do_new_mount+0x228/0x810 [ 88.829757][ T5701] path_mount+0x5bc/0x1008 [ 88.830502][ T5701] __arm64_sys_mount+0x514/0x5f0 [ 88.831407][ T5701] invoke_syscall+0x98/0x2b0 [ 88.832209][ T5701] el0_svc_common+0x138/0x258 [ 88.832973][ T5701] do_el0_svc+0x58/0x13c [ 88.833674][ T5701] el0_svc+0x78/0x1d0 [ 88.834306][ T5701] el0t_64_sync_handler+0xcc/0xe4 [ 88.835158][ T5701] el0t_64_sync+0x1a0/0x1a4 [ 88.861452][ T5690] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 88.862732][ T5690] CPU: 0 PID: 5690 Comm: syz.0.58 Not tainted syzkaller #0 [ 88.863975][ T5690] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 88.865754][ T5690] Call trace: [ 88.866286][ T5690] dump_backtrace+0x0/0x458 [ 88.867036][ T5690] show_stack+0x2c/0x3c [ 88.867714][ T5690] __dump_stack+0x30/0x40 [ 88.868445][ T5690] dump_stack_lvl+0xf4/0x15c [ 88.869220][ T5690] dump_stack+0x1c/0x5c [ 88.869921][ T5690] sysfs_create_dir_ns+0x244/0x264 [ 88.870775][ T5690] kobject_add_internal+0x5ac/0xc3c [ 88.871683][ T5690] kobject_init_and_add+0x124/0x190 [ 88.872599][ T5690] gfs2_sys_fs_add+0x200/0x41c [ 88.873444][ T5690] gfs2_fill_super+0xddc/0x1a18 [ 88.874271][ T5690] get_tree_bdev+0x358/0x544 [ 88.875018][ T5690] gfs2_get_tree+0x54/0x1b4 [ 88.875782][ T5690] vfs_get_tree+0x90/0x274 [ 88.876551][ T5690] do_new_mount+0x228/0x810 [ 88.877319][ T5690] path_mount+0x5bc/0x1008 [ 88.878104][ T5690] __arm64_sys_mount+0x514/0x5f0 [ 88.878897][ T5690] invoke_syscall+0x98/0x2b0 [ 88.879653][ T5690] el0_svc_common+0x138/0x258 [ 88.880425][ T5690] do_el0_svc+0x58/0x13c [ 88.881128][ T5690] el0_svc+0x78/0x1d0 [ 88.881817][ T5690] el0t_64_sync_handler+0xcc/0xe4 [ 88.882736][ T5690] el0t_64_sync+0x1a0/0x1a4 [ 88.893598][ T5701] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 88.895863][ T5701] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 88.924288][ T5690] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 88.926549][ T5690] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 88.947490][ T5695] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 88.948786][ T5695] CPU: 1 PID: 5695 Comm: syz.2.59 Not tainted syzkaller #0 [ 88.950014][ T5695] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 88.951767][ T5695] Call trace: [ 88.952323][ T5695] dump_backtrace+0x0/0x458 [ 88.953128][ T5695] show_stack+0x2c/0x3c [ 88.953810][ T5695] __dump_stack+0x30/0x40 [ 88.954513][ T5695] dump_stack_lvl+0xf4/0x15c [ 88.955295][ T5695] dump_stack+0x1c/0x5c [ 88.956053][ T5695] sysfs_create_dir_ns+0x244/0x264 [ 88.956972][ T5695] kobject_add_internal+0x5ac/0xc3c [ 88.957859][ T5695] kobject_init_and_add+0x124/0x190 [ 88.958726][ T5695] gfs2_sys_fs_add+0x200/0x41c [ 88.959524][ T5695] gfs2_fill_super+0xddc/0x1a18 [ 88.960321][ T5695] get_tree_bdev+0x358/0x544 [ 88.961073][ T5695] gfs2_get_tree+0x54/0x1b4 [ 88.961819][ T5695] vfs_get_tree+0x90/0x274 [ 88.962545][ T5695] do_new_mount+0x228/0x810 [ 88.963244][ T5695] path_mount+0x5bc/0x1008 [ 88.963947][ T5695] __arm64_sys_mount+0x514/0x5f0 [ 88.964782][ T5695] invoke_syscall+0x98/0x2b0 [ 88.965545][ T5695] el0_svc_common+0x138/0x258 [ 88.966304][ T5695] do_el0_svc+0x58/0x13c [ 88.967008][ T5695] el0_svc+0x78/0x1d0 [ 88.967687][ T5695] el0t_64_sync_handler+0xcc/0xe4 [ 88.968549][ T5695] el0t_64_sync+0x1a0/0x1a4 [ 89.001410][ T5695] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 89.009410][ T5695] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 89.022045][ T5703] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 89.023371][ T5703] CPU: 0 PID: 5703 Comm: syz.1.61 Not tainted syzkaller #0 [ 89.024578][ T5703] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 89.026261][ T5703] Call trace: [ 89.026778][ T5703] dump_backtrace+0x0/0x458 [ 89.027567][ T5703] show_stack+0x2c/0x3c [ 89.028239][ T5703] __dump_stack+0x30/0x40 [ 89.029064][ T5703] dump_stack_lvl+0xf4/0x15c [ 89.029859][ T5703] dump_stack+0x1c/0x5c [ 89.030562][ T5703] sysfs_create_dir_ns+0x244/0x264 [ 89.031474][ T5703] kobject_add_internal+0x5ac/0xc3c [ 89.032380][ T5703] kobject_init_and_add+0x124/0x190 [ 89.033265][ T5703] gfs2_sys_fs_add+0x200/0x41c [ 89.034118][ T5703] gfs2_fill_super+0xddc/0x1a18 [ 89.034952][ T5703] get_tree_bdev+0x358/0x544 [ 89.035688][ T5703] gfs2_get_tree+0x54/0x1b4 [ 89.036466][ T5703] vfs_get_tree+0x90/0x274 [ 89.037202][ T5703] do_new_mount+0x228/0x810 [ 89.038022][ T5703] path_mount+0x5bc/0x1008 [ 89.038796][ T5703] __arm64_sys_mount+0x514/0x5f0 [ 89.039731][ T5703] invoke_syscall+0x98/0x2b0 [ 89.040563][ T5703] el0_svc_common+0x138/0x258 [ 89.041334][ T5703] do_el0_svc+0x58/0x13c [ 89.042074][ T5703] el0_svc+0x78/0x1d0 [ 89.042831][ T5703] el0t_64_sync_handler+0xcc/0xe4 [ 89.043756][ T5703] el0t_64_sync+0x1a0/0x1a4 [ 89.072102][ T5703] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 89.074252][ T5703] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 89.149156][ T5701] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 89.150363][ T5701] CPU: 1 PID: 5701 Comm: syz.3.60 Not tainted syzkaller #0 [ 89.151588][ T5701] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 89.153253][ T5701] Call trace: [ 89.153826][ T5701] dump_backtrace+0x0/0x458 [ 89.154599][ T5701] show_stack+0x2c/0x3c [ 89.155337][ T5701] __dump_stack+0x30/0x40 [ 89.156037][ T5701] dump_stack_lvl+0xf4/0x15c [ 89.156819][ T5701] dump_stack+0x1c/0x5c [ 89.157514][ T5701] sysfs_create_dir_ns+0x244/0x264 [ 89.158329][ T5701] kobject_add_internal+0x5ac/0xc3c [ 89.159191][ T5701] kobject_init_and_add+0x124/0x190 [ 89.160055][ T5701] gfs2_sys_fs_add+0x200/0x41c [ 89.160857][ T5701] gfs2_fill_super+0xddc/0x1a18 [ 89.161665][ T5701] get_tree_bdev+0x358/0x544 [ 89.162452][ T5701] gfs2_get_tree+0x54/0x1b4 [ 89.163208][ T5701] vfs_get_tree+0x90/0x274 [ 89.163884][ T5701] do_new_mount+0x228/0x810 [ 89.164700][ T5701] path_mount+0x5bc/0x1008 [ 89.165444][ T5701] __arm64_sys_mount+0x514/0x5f0 [ 89.166323][ T5701] invoke_syscall+0x98/0x2b0 [ 89.167140][ T5701] el0_svc_common+0x138/0x258 [ 89.167941][ T5701] do_el0_svc+0x58/0x13c [ 89.168669][ T5701] el0_svc+0x78/0x1d0 [ 89.169329][ T5701] el0t_64_sync_handler+0xcc/0xe4 [ 89.170205][ T5701] el0t_64_sync+0x1a0/0x1a4 [ 89.210982][ T5701] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 89.213874][ T5701] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 89.257988][ T5705] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 89.259283][ T5705] CPU: 0 PID: 5705 Comm: syz.0.62 Not tainted syzkaller #0 [ 89.260459][ T5705] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 89.262299][ T5705] Call trace: [ 89.262868][ T5705] dump_backtrace+0x0/0x458 [ 89.263666][ T5705] show_stack+0x2c/0x3c [ 89.264371][ T5705] __dump_stack+0x30/0x40 [ 89.265092][ T5705] dump_stack_lvl+0xf4/0x15c [ 89.265864][ T5705] dump_stack+0x1c/0x5c [ 89.266550][ T5705] sysfs_create_dir_ns+0x244/0x264 [ 89.267395][ T5705] kobject_add_internal+0x5ac/0xc3c [ 89.268234][ T5705] kobject_init_and_add+0x124/0x190 [ 89.269056][ T5705] gfs2_sys_fs_add+0x200/0x41c [ 89.269772][ T5705] gfs2_fill_super+0xddc/0x1a18 [ 89.270645][ T5705] get_tree_bdev+0x358/0x544 [ 89.271454][ T5705] gfs2_get_tree+0x54/0x1b4 [ 89.272235][ T5705] vfs_get_tree+0x90/0x274 [ 89.273017][ T5705] do_new_mount+0x228/0x810 [ 89.273789][ T5705] path_mount+0x5bc/0x1008 [ 89.274579][ T5705] __arm64_sys_mount+0x514/0x5f0 [ 89.275388][ T5705] invoke_syscall+0x98/0x2b0 [ 89.276173][ T5705] el0_svc_common+0x138/0x258 [ 89.276974][ T5705] do_el0_svc+0x58/0x13c [ 89.277684][ T5705] el0_svc+0x78/0x1d0 [ 89.278342][ T5705] el0t_64_sync_handler+0xcc/0xe4 [ 89.279193][ T5705] el0t_64_sync+0x1a0/0x1a4 [ 89.303135][ T5707] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 89.304390][ T5707] CPU: 1 PID: 5707 Comm: syz.2.63 Not tainted syzkaller #0 [ 89.305622][ T5707] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 89.307145][ T5707] Call trace: [ 89.307697][ T5707] dump_backtrace+0x0/0x458 [ 89.308470][ T5707] show_stack+0x2c/0x3c [ 89.308533][ T5705] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 89.309180][ T5707] __dump_stack+0x30/0x40 [ 89.311558][ T5705] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 89.312084][ T5707] dump_stack_lvl+0xf4/0x15c [ 89.314043][ T5707] dump_stack+0x1c/0x5c [ 89.314779][ T5707] sysfs_create_dir_ns+0x244/0x264 [ 89.315688][ T5707] kobject_add_internal+0x5ac/0xc3c [ 89.316582][ T5707] kobject_init_and_add+0x124/0x190 [ 89.317487][ T5707] gfs2_sys_fs_add+0x200/0x41c [ 89.318303][ T5707] gfs2_fill_super+0xddc/0x1a18 [ 89.319110][ T5707] get_tree_bdev+0x358/0x544 [ 89.319885][ T5707] gfs2_get_tree+0x54/0x1b4 [ 89.320658][ T5707] vfs_get_tree+0x90/0x274 [ 89.321447][ T5707] do_new_mount+0x228/0x810 [ 89.322189][ T5707] path_mount+0x5bc/0x1008 [ 89.322921][ T5707] __arm64_sys_mount+0x514/0x5f0 [ 89.323809][ T5707] invoke_syscall+0x98/0x2b0 [ 89.324634][ T5707] el0_svc_common+0x138/0x258 [ 89.325432][ T5707] do_el0_svc+0x58/0x13c [ 89.326127][ T5707] el0_svc+0x78/0x1d0 [ 89.326761][ T5707] el0t_64_sync_handler+0xcc/0xe4 [ 89.327644][ T5707] el0t_64_sync+0x1a0/0x1a4 [ 89.333966][ T5703] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 89.335146][ T5703] CPU: 0 PID: 5703 Comm: syz.1.61 Not tainted syzkaller #0 [ 89.336307][ T5703] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 89.338135][ T5703] Call trace: [ 89.338648][ T5703] dump_backtrace+0x0/0x458 [ 89.339322][ T5703] show_stack+0x2c/0x3c [ 89.339926][ T5703] __dump_stack+0x30/0x40 [ 89.340595][ T5703] dump_stack_lvl+0xf4/0x15c [ 89.341260][ T5703] dump_stack+0x1c/0x5c [ 89.341938][ T5703] sysfs_create_dir_ns+0x244/0x264 [ 89.342865][ T5703] kobject_add_internal+0x5ac/0xc3c [ 89.343791][ T5703] kobject_init_and_add+0x124/0x190 [ 89.344625][ T5703] gfs2_sys_fs_add+0x200/0x41c [ 89.345423][ T5703] gfs2_fill_super+0xddc/0x1a18 [ 89.346267][ T5703] get_tree_bdev+0x358/0x544 [ 89.347079][ T5703] gfs2_get_tree+0x54/0x1b4 [ 89.347855][ T5703] vfs_get_tree+0x90/0x274 [ 89.348681][ T5703] do_new_mount+0x228/0x810 [ 89.349520][ T5703] path_mount+0x5bc/0x1008 [ 89.350257][ T5703] __arm64_sys_mount+0x514/0x5f0 [ 89.351097][ T5703] invoke_syscall+0x98/0x2b0 [ 89.351852][ T5703] el0_svc_common+0x138/0x258 [ 89.352631][ T5703] do_el0_svc+0x58/0x13c [ 89.353333][ T5703] el0_svc+0x78/0x1d0 [ 89.353996][ T5703] el0t_64_sync_handler+0xcc/0xe4 [ 89.354819][ T5703] el0t_64_sync+0x1a0/0x1a4 [ 89.363357][ T5707] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 89.365689][ T5707] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 89.376208][ T5703] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 89.378481][ T5703] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 89.421037][ T5709] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 89.440983][ T5709] CPU: 0 PID: 5709 Comm: syz.3.64 Not tainted syzkaller #0 [ 89.442319][ T5709] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 89.444060][ T5709] Call trace: [ 89.444628][ T5709] dump_backtrace+0x0/0x458 [ 89.445476][ T5709] show_stack+0x2c/0x3c [ 89.446139][ T5709] __dump_stack+0x30/0x40 [ 89.446837][ T5709] dump_stack_lvl+0xf4/0x15c [ 89.447578][ T5709] dump_stack+0x1c/0x5c [ 89.448298][ T5709] sysfs_create_dir_ns+0x244/0x264 [ 89.449180][ T5709] kobject_add_internal+0x5ac/0xc3c [ 89.450080][ T5709] kobject_init_and_add+0x124/0x190 [ 89.450928][ T5709] gfs2_sys_fs_add+0x200/0x41c [ 89.451700][ T5709] gfs2_fill_super+0xddc/0x1a18 [ 89.452526][ T5709] get_tree_bdev+0x358/0x544 [ 89.453307][ T5709] gfs2_get_tree+0x54/0x1b4 [ 89.454052][ T5709] vfs_get_tree+0x90/0x274 [ 89.454790][ T5709] do_new_mount+0x228/0x810 [ 89.455598][ T5709] path_mount+0x5bc/0x1008 [ 89.456382][ T5709] __arm64_sys_mount+0x514/0x5f0 [ 89.457200][ T5709] invoke_syscall+0x98/0x2b0 [ 89.458019][ T5709] el0_svc_common+0x138/0x258 [ 89.458751][ T5709] do_el0_svc+0x58/0x13c [ 89.459425][ T5709] el0_svc+0x78/0x1d0 [ 89.460054][ T5709] el0t_64_sync_handler+0xcc/0xe4 [ 89.460906][ T5709] el0t_64_sync+0x1a0/0x1a4 [ 89.481500][ T5709] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 89.493279][ T5709] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 89.632206][ T5707] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 89.633545][ T5707] CPU: 1 PID: 5707 Comm: syz.2.63 Not tainted syzkaller #0 [ 89.634702][ T5707] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 89.636468][ T5707] Call trace: [ 89.637022][ T5707] dump_backtrace+0x0/0x458 [ 89.637793][ T5707] show_stack+0x2c/0x3c [ 89.638444][ T5707] __dump_stack+0x30/0x40 [ 89.639204][ T5707] dump_stack_lvl+0xf4/0x15c [ 89.640007][ T5707] dump_stack+0x1c/0x5c [ 89.640657][ T5707] sysfs_create_dir_ns+0x244/0x264 [ 89.641537][ T5707] kobject_add_internal+0x5ac/0xc3c [ 89.642429][ T5707] kobject_init_and_add+0x124/0x190 [ 89.643376][ T5707] gfs2_sys_fs_add+0x200/0x41c [ 89.644159][ T5707] gfs2_fill_super+0xddc/0x1a18 [ 89.645015][ T5707] get_tree_bdev+0x358/0x544 [ 89.645791][ T5707] gfs2_get_tree+0x54/0x1b4 [ 89.646573][ T5707] vfs_get_tree+0x90/0x274 [ 89.647321][ T5707] do_new_mount+0x228/0x810 [ 89.648053][ T5707] path_mount+0x5bc/0x1008 [ 89.648775][ T5707] __arm64_sys_mount+0x514/0x5f0 [ 89.649603][ T5707] invoke_syscall+0x98/0x2b0 [ 89.650378][ T5707] el0_svc_common+0x138/0x258 [ 89.651184][ T5707] do_el0_svc+0x58/0x13c [ 89.651914][ T5707] el0_svc+0x78/0x1d0 [ 89.652643][ T5707] el0t_64_sync_handler+0xcc/0xe4 [ 89.653535][ T5707] el0t_64_sync+0x1a0/0x1a4 [ 89.691410][ T5707] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 89.693744][ T5707] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 89.743671][ T5709] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 89.744987][ T5709] CPU: 0 PID: 5709 Comm: syz.3.64 Not tainted syzkaller #0 [ 89.746164][ T5709] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 89.747798][ T5709] Call trace: [ 89.748340][ T5709] dump_backtrace+0x0/0x458 [ 89.749086][ T5709] show_stack+0x2c/0x3c [ 89.749779][ T5709] __dump_stack+0x30/0x40 [ 89.750501][ T5709] dump_stack_lvl+0xf4/0x15c [ 89.751339][ T5709] dump_stack+0x1c/0x5c [ 89.752055][ T5709] sysfs_create_dir_ns+0x244/0x264 [ 89.752985][ T5709] kobject_add_internal+0x5ac/0xc3c [ 89.753896][ T5709] kobject_init_and_add+0x124/0x190 [ 89.754764][ T5709] gfs2_sys_fs_add+0x200/0x41c [ 89.755540][ T5709] gfs2_fill_super+0xddc/0x1a18 [ 89.756390][ T5709] get_tree_bdev+0x358/0x544 [ 89.757187][ T5709] gfs2_get_tree+0x54/0x1b4 [ 89.757991][ T5709] vfs_get_tree+0x90/0x274 [ 89.758775][ T5709] do_new_mount+0x228/0x810 [ 89.759577][ T5709] path_mount+0x5bc/0x1008 [ 89.760331][ T5709] __arm64_sys_mount+0x514/0x5f0 [ 89.761161][ T5709] invoke_syscall+0x98/0x2b0 [ 89.761950][ T5709] el0_svc_common+0x138/0x258 [ 89.762826][ T5709] do_el0_svc+0x58/0x13c [ 89.763522][ T5709] el0_svc+0x78/0x1d0 [ 89.764201][ T5709] el0t_64_sync_handler+0xcc/0xe4 [ 89.765092][ T5709] el0t_64_sync+0x1a0/0x1a4 [ 89.767884][ T5705] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 89.769131][ T5705] CPU: 1 PID: 5705 Comm: syz.0.62 Not tainted syzkaller #0 [ 89.770374][ T5705] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 89.771583][ T5711] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 89.772037][ T5705] Call trace: [ 89.773736][ T5705] dump_backtrace+0x0/0x458 [ 89.774484][ T5705] show_stack+0x2c/0x3c [ 89.775192][ T5705] __dump_stack+0x30/0x40 [ 89.775905][ T5705] dump_stack_lvl+0xf4/0x15c [ 89.776638][ T5705] dump_stack+0x1c/0x5c [ 89.777344][ T5705] sysfs_create_dir_ns+0x244/0x264 [ 89.778176][ T5705] kobject_add_internal+0x5ac/0xc3c [ 89.779073][ T5705] kobject_init_and_add+0x124/0x190 [ 89.779958][ T5705] gfs2_sys_fs_add+0x200/0x41c [ 89.780799][ T5705] gfs2_fill_super+0xddc/0x1a18 [ 89.781592][ T5705] get_tree_bdev+0x358/0x544 [ 89.782418][ T5705] gfs2_get_tree+0x54/0x1b4 [ 89.783280][ T5705] vfs_get_tree+0x90/0x274 [ 89.784031][ T5705] do_new_mount+0x228/0x810 [ 89.784762][ T5705] path_mount+0x5bc/0x1008 [ 89.785464][ T5705] __arm64_sys_mount+0x514/0x5f0 [ 89.786230][ T5705] invoke_syscall+0x98/0x2b0 [ 89.787014][ T5705] el0_svc_common+0x138/0x258 [ 89.787700][ T5705] do_el0_svc+0x58/0x13c [ 89.788453][ T5705] el0_svc+0x78/0x1d0 [ 89.789079][ T5705] el0t_64_sync_handler+0xcc/0xe4 [ 89.789971][ T5705] el0t_64_sync+0x1a0/0x1a4 [ 89.790719][ T5711] CPU: 0 PID: 5711 Comm: syz.1.65 Not tainted syzkaller #0 [ 89.791917][ T5711] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 89.793631][ T5711] Call trace: [ 89.794168][ T5711] dump_backtrace+0x0/0x458 [ 89.794964][ T5711] show_stack+0x2c/0x3c [ 89.795662][ T5711] __dump_stack+0x30/0x40 [ 89.796378][ T5711] dump_stack_lvl+0xf4/0x15c [ 89.797138][ T5711] dump_stack+0x1c/0x5c [ 89.797841][ T5711] sysfs_create_dir_ns+0x244/0x264 [ 89.798652][ T5711] kobject_add_internal+0x5ac/0xc3c [ 89.799567][ T5711] kobject_init_and_add+0x124/0x190 [ 89.800454][ T5711] gfs2_sys_fs_add+0x200/0x41c [ 89.801304][ T5711] gfs2_fill_super+0xddc/0x1a18 [ 89.802166][ T5711] get_tree_bdev+0x358/0x544 [ 89.802972][ T5711] gfs2_get_tree+0x54/0x1b4 [ 89.803747][ T5711] vfs_get_tree+0x90/0x274 [ 89.804498][ T5711] do_new_mount+0x228/0x810 [ 89.805287][ T5711] path_mount+0x5bc/0x1008 [ 89.806087][ T5711] __arm64_sys_mount+0x514/0x5f0 [ 89.806907][ T5711] invoke_syscall+0x98/0x2b0 [ 89.807676][ T5711] el0_svc_common+0x138/0x258 [ 89.808425][ T5711] do_el0_svc+0x58/0x13c [ 89.809120][ T5711] el0_svc+0x78/0x1d0 [ 89.809808][ T5711] el0t_64_sync_handler+0xcc/0xe4 [ 89.810610][ T5711] el0t_64_sync+0x1a0/0x1a4 [ 89.815990][ T5709] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 89.818228][ T5709] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 89.818687][ T5705] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 89.820825][ T5711] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 89.829615][ T5705] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 89.841832][ T5711] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 89.956678][ T5713] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 89.958042][ T5713] CPU: 1 PID: 5713 Comm: syz.2.66 Not tainted syzkaller #0 [ 89.959180][ T5713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 89.960992][ T5713] Call trace: [ 89.961601][ T5713] dump_backtrace+0x0/0x458 [ 89.962313][ T5713] show_stack+0x2c/0x3c [ 89.963019][ T5713] __dump_stack+0x30/0x40 [ 89.963794][ T5713] dump_stack_lvl+0xf4/0x15c [ 89.964556][ T5713] dump_stack+0x1c/0x5c [ 89.965226][ T5713] sysfs_create_dir_ns+0x244/0x264 [ 89.966124][ T5713] kobject_add_internal+0x5ac/0xc3c [ 89.966984][ T5713] kobject_init_and_add+0x124/0x190 [ 89.967887][ T5713] gfs2_sys_fs_add+0x200/0x41c [ 89.968692][ T5713] gfs2_fill_super+0xddc/0x1a18 [ 89.969489][ T5713] get_tree_bdev+0x358/0x544 [ 89.970261][ T5713] gfs2_get_tree+0x54/0x1b4 [ 89.970923][ T5713] vfs_get_tree+0x90/0x274 [ 89.971636][ T5713] do_new_mount+0x228/0x810 [ 89.972316][ T5713] path_mount+0x5bc/0x1008 [ 89.973032][ T5713] __arm64_sys_mount+0x514/0x5f0 [ 89.973906][ T5713] invoke_syscall+0x98/0x2b0 [ 89.974666][ T5713] el0_svc_common+0x138/0x258 [ 89.975363][ T5713] do_el0_svc+0x58/0x13c [ 89.976034][ T5713] el0_svc+0x78/0x1d0 [ 89.976688][ T5713] el0t_64_sync_handler+0xcc/0xe4 [ 89.977463][ T5713] el0t_64_sync+0x1a0/0x1a4 [ 90.011539][ T5713] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 90.013944][ T5713] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 90.112177][ T5715] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 90.113412][ T5715] CPU: 1 PID: 5715 Comm: syz.3.67 Not tainted syzkaller #0 [ 90.114093][ T5711] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 90.114703][ T5715] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 90.117738][ T5715] Call trace: [ 90.118280][ T5715] dump_backtrace+0x0/0x458 [ 90.119016][ T5715] show_stack+0x2c/0x3c [ 90.119693][ T5715] __dump_stack+0x30/0x40 [ 90.120407][ T5715] dump_stack_lvl+0xf4/0x15c [ 90.121210][ T5715] dump_stack+0x1c/0x5c [ 90.121915][ T5715] sysfs_create_dir_ns+0x244/0x264 [ 90.122863][ T5715] kobject_add_internal+0x5ac/0xc3c [ 90.123800][ T5715] kobject_init_and_add+0x124/0x190 [ 90.124785][ T5715] gfs2_sys_fs_add+0x200/0x41c [ 90.125662][ T5715] gfs2_fill_super+0xddc/0x1a18 [ 90.126534][ T5715] get_tree_bdev+0x358/0x544 [ 90.127295][ T5715] gfs2_get_tree+0x54/0x1b4 [ 90.128050][ T5715] vfs_get_tree+0x90/0x274 [ 90.128798][ T5715] do_new_mount+0x228/0x810 [ 90.129571][ T5715] path_mount+0x5bc/0x1008 [ 90.130302][ T5715] __arm64_sys_mount+0x514/0x5f0 [ 90.131160][ T5715] invoke_syscall+0x98/0x2b0 [ 90.131970][ T5715] el0_svc_common+0x138/0x258 [ 90.132777][ T5715] do_el0_svc+0x58/0x13c [ 90.133509][ T5715] el0_svc+0x78/0x1d0 [ 90.134179][ T5715] el0t_64_sync_handler+0xcc/0xe4 [ 90.134997][ T5715] el0t_64_sync+0x1a0/0x1a4 [ 90.142690][ T5711] CPU: 0 PID: 5711 Comm: syz.1.65 Not tainted syzkaller #0 [ 90.143884][ T5711] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 90.145698][ T5711] Call trace: [ 90.146237][ T5711] dump_backtrace+0x0/0x458 [ 90.146979][ T5711] show_stack+0x2c/0x3c [ 90.147655][ T5711] __dump_stack+0x30/0x40 [ 90.148441][ T5711] dump_stack_lvl+0xf4/0x15c [ 90.149236][ T5711] dump_stack+0x1c/0x5c [ 90.149930][ T5711] sysfs_create_dir_ns+0x244/0x264 [ 90.150663][ T5715] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 90.150843][ T5711] kobject_add_internal+0x5ac/0xc3c [ 90.153098][ T5715] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 90.153934][ T5711] kobject_init_and_add+0x124/0x190 [ 90.155860][ T5711] gfs2_sys_fs_add+0x200/0x41c [ 90.156691][ T5711] gfs2_fill_super+0xddc/0x1a18 [ 90.157552][ T5711] get_tree_bdev+0x358/0x544 [ 90.158286][ T5711] gfs2_get_tree+0x54/0x1b4 [ 90.158985][ T5711] vfs_get_tree+0x90/0x274 [ 90.159724][ T5711] do_new_mount+0x228/0x810 [ 90.160533][ T5711] path_mount+0x5bc/0x1008 [ 90.161277][ T5711] __arm64_sys_mount+0x514/0x5f0 [ 90.162071][ T5711] invoke_syscall+0x98/0x2b0 [ 90.162867][ T5711] el0_svc_common+0x138/0x258 [ 90.163683][ T5711] do_el0_svc+0x58/0x13c [ 90.164361][ T5711] el0_svc+0x78/0x1d0 [ 90.164986][ T5711] el0t_64_sync_handler+0xcc/0xe4 [ 90.165801][ T5711] el0t_64_sync+0x1a0/0x1a4 [ 90.168501][ T5711] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 90.170653][ T5711] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 90.177155][ T5717] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 90.178498][ T5717] CPU: 1 PID: 5717 Comm: syz.0.68 Not tainted syzkaller #0 [ 90.179714][ T5717] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 90.181474][ T5717] Call trace: [ 90.182038][ T5717] dump_backtrace+0x0/0x458 [ 90.182797][ T5717] show_stack+0x2c/0x3c [ 90.183474][ T5717] __dump_stack+0x30/0x40 [ 90.184217][ T5717] dump_stack_lvl+0xf4/0x15c [ 90.184987][ T5717] dump_stack+0x1c/0x5c [ 90.185686][ T5717] sysfs_create_dir_ns+0x244/0x264 [ 90.186567][ T5717] kobject_add_internal+0x5ac/0xc3c [ 90.187550][ T5717] kobject_init_and_add+0x124/0x190 [ 90.188466][ T5717] gfs2_sys_fs_add+0x200/0x41c [ 90.189200][ T5717] gfs2_fill_super+0xddc/0x1a18 [ 90.190034][ T5717] get_tree_bdev+0x358/0x544 [ 90.190778][ T5717] gfs2_get_tree+0x54/0x1b4 [ 90.191534][ T5717] vfs_get_tree+0x90/0x274 [ 90.192226][ T5717] do_new_mount+0x228/0x810 [ 90.192992][ T5717] path_mount+0x5bc/0x1008 [ 90.193737][ T5717] __arm64_sys_mount+0x514/0x5f0 [ 90.194548][ T5717] invoke_syscall+0x98/0x2b0 [ 90.195285][ T5717] el0_svc_common+0x138/0x258 [ 90.196009][ T5717] do_el0_svc+0x58/0x13c [ 90.196752][ T5717] el0_svc+0x78/0x1d0 [ 90.197440][ T5717] el0t_64_sync_handler+0xcc/0xe4 [ 90.198269][ T5717] el0t_64_sync+0x1a0/0x1a4 [ 90.212267][ T5717] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 90.214586][ T5717] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 90.264336][ T5713] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 90.265635][ T5713] CPU: 0 PID: 5713 Comm: syz.2.66 Not tainted syzkaller #0 [ 90.266752][ T5713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 90.268347][ T5713] Call trace: [ 90.268892][ T5713] dump_backtrace+0x0/0x458 [ 90.269615][ T5713] show_stack+0x2c/0x3c [ 90.270305][ T5713] __dump_stack+0x30/0x40 [ 90.271030][ T5713] dump_stack_lvl+0xf4/0x15c [ 90.271766][ T5713] dump_stack+0x1c/0x5c [ 90.272568][ T5713] sysfs_create_dir_ns+0x244/0x264 [ 90.273500][ T5713] kobject_add_internal+0x5ac/0xc3c [ 90.274409][ T5713] kobject_init_and_add+0x124/0x190 [ 90.275310][ T5713] gfs2_sys_fs_add+0x200/0x41c [ 90.276141][ T5713] gfs2_fill_super+0xddc/0x1a18 [ 90.277016][ T5713] get_tree_bdev+0x358/0x544 [ 90.277864][ T5713] gfs2_get_tree+0x54/0x1b4 [ 90.278636][ T5713] vfs_get_tree+0x90/0x274 [ 90.279372][ T5713] do_new_mount+0x228/0x810 [ 90.280222][ T5713] path_mount+0x5bc/0x1008 [ 90.281035][ T5713] __arm64_sys_mount+0x514/0x5f0 [ 90.281929][ T5713] invoke_syscall+0x98/0x2b0 [ 90.282738][ T5713] el0_svc_common+0x138/0x258 [ 90.283580][ T5713] do_el0_svc+0x58/0x13c [ 90.284370][ T5713] el0_svc+0x78/0x1d0 [ 90.285075][ T5713] el0t_64_sync_handler+0xcc/0xe4 [ 90.285944][ T5713] el0t_64_sync+0x1a0/0x1a4 [ 90.321436][ T5713] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 90.323506][ T5713] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 90.390295][ T5715] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 90.391766][ T5715] CPU: 1 PID: 5715 Comm: syz.3.67 Not tainted syzkaller #0 [ 90.392961][ T5715] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 90.394690][ T5715] Call trace: [ 90.395233][ T5715] dump_backtrace+0x0/0x458 [ 90.396004][ T5715] show_stack+0x2c/0x3c [ 90.396684][ T5715] __dump_stack+0x30/0x40 [ 90.397406][ T5715] dump_stack_lvl+0xf4/0x15c [ 90.398171][ T5715] dump_stack+0x1c/0x5c [ 90.398864][ T5715] sysfs_create_dir_ns+0x244/0x264 [ 90.399730][ T5715] kobject_add_internal+0x5ac/0xc3c [ 90.400524][ T5715] kobject_init_and_add+0x124/0x190 [ 90.401285][ T5715] gfs2_sys_fs_add+0x200/0x41c [ 90.402152][ T5715] gfs2_fill_super+0xddc/0x1a18 [ 90.403010][ T5715] get_tree_bdev+0x358/0x544 [ 90.403799][ T5715] gfs2_get_tree+0x54/0x1b4 [ 90.404543][ T5715] vfs_get_tree+0x90/0x274 [ 90.405285][ T5715] do_new_mount+0x228/0x810 [ 90.406042][ T5715] path_mount+0x5bc/0x1008 [ 90.406798][ T5715] __arm64_sys_mount+0x514/0x5f0 [ 90.407652][ T5715] invoke_syscall+0x98/0x2b0 [ 90.408441][ T5715] el0_svc_common+0x138/0x258 [ 90.409244][ T5715] do_el0_svc+0x58/0x13c [ 90.409977][ T5715] el0_svc+0x78/0x1d0 [ 90.410615][ T5715] el0t_64_sync_handler+0xcc/0xe4 [ 90.411508][ T5715] el0t_64_sync+0x1a0/0x1a4 [ 90.441081][ T5715] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 90.453420][ T5715] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 90.504210][ T5717] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 90.505472][ T5717] CPU: 1 PID: 5717 Comm: syz.0.68 Not tainted syzkaller #0 [ 90.506694][ T5717] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 90.508417][ T5717] Call trace: [ 90.509011][ T5717] dump_backtrace+0x0/0x458 [ 90.509767][ T5717] show_stack+0x2c/0x3c [ 90.510483][ T5717] __dump_stack+0x30/0x40 [ 90.511192][ T5717] dump_stack_lvl+0xf4/0x15c [ 90.511914][ T5717] dump_stack+0x1c/0x5c [ 90.512604][ T5717] sysfs_create_dir_ns+0x244/0x264 [ 90.513462][ T5717] kobject_add_internal+0x5ac/0xc3c [ 90.514340][ T5717] kobject_init_and_add+0x124/0x190 [ 90.515111][ T5717] gfs2_sys_fs_add+0x200/0x41c [ 90.515879][ T5717] gfs2_fill_super+0xddc/0x1a18 [ 90.516682][ T5717] get_tree_bdev+0x358/0x544 [ 90.517422][ T5717] gfs2_get_tree+0x54/0x1b4 [ 90.518163][ T5717] vfs_get_tree+0x90/0x274 [ 90.518931][ T5717] do_new_mount+0x228/0x810 [ 90.519681][ T5717] path_mount+0x5bc/0x1008 [ 90.520438][ T5717] __arm64_sys_mount+0x514/0x5f0 [ 90.521267][ T5717] invoke_syscall+0x98/0x2b0 [ 90.522091][ T5717] el0_svc_common+0x138/0x258 [ 90.522925][ T5717] do_el0_svc+0x58/0x13c [ 90.523664][ T5717] el0_svc+0x78/0x1d0 [ 90.524325][ T5717] el0t_64_sync_handler+0xcc/0xe4 [ 90.525172][ T5717] el0t_64_sync+0x1a0/0x1a4 [ 90.560478][ T5717] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 90.562813][ T5717] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 90.585741][ T5719] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 90.586913][ T5719] CPU: 1 PID: 5719 Comm: syz.1.69 Not tainted syzkaller #0 [ 90.588222][ T5719] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 90.589869][ T5719] Call trace: [ 90.590400][ T5719] dump_backtrace+0x0/0x458 [ 90.591177][ T5719] show_stack+0x2c/0x3c [ 90.591860][ T5719] __dump_stack+0x30/0x40 [ 90.592568][ T5719] dump_stack_lvl+0xf4/0x15c [ 90.593291][ T5719] dump_stack+0x1c/0x5c [ 90.593994][ T5719] sysfs_create_dir_ns+0x244/0x264 [ 90.594794][ T5719] kobject_add_internal+0x5ac/0xc3c [ 90.595614][ T5719] kobject_init_and_add+0x124/0x190 [ 90.596513][ T5719] gfs2_sys_fs_add+0x200/0x41c [ 90.597233][ T5719] gfs2_fill_super+0xddc/0x1a18 [ 90.598014][ T5719] get_tree_bdev+0x358/0x544 [ 90.598754][ T5719] gfs2_get_tree+0x54/0x1b4 [ 90.599477][ T5719] vfs_get_tree+0x90/0x274 [ 90.600257][ T5719] do_new_mount+0x228/0x810 [ 90.601060][ T5719] path_mount+0x5bc/0x1008 [ 90.601823][ T5719] __arm64_sys_mount+0x514/0x5f0 [ 90.602657][ T5719] invoke_syscall+0x98/0x2b0 [ 90.603477][ T5719] el0_svc_common+0x138/0x258 [ 90.604289][ T5719] do_el0_svc+0x58/0x13c [ 90.605022][ T5719] el0_svc+0x78/0x1d0 [ 90.605664][ T5719] el0t_64_sync_handler+0xcc/0xe4 [ 90.606501][ T5719] el0t_64_sync+0x1a0/0x1a4 [ 90.615030][ T5721] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 90.616258][ T5721] CPU: 0 PID: 5721 Comm: syz.2.70 Not tainted syzkaller #0 [ 90.617464][ T5721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 90.619033][ T5721] Call trace: [ 90.619620][ T5721] dump_backtrace+0x0/0x458 [ 90.620329][ T5721] show_stack+0x2c/0x3c [ 90.621012][ T5721] __dump_stack+0x30/0x40 [ 90.621778][ T5721] dump_stack_lvl+0xf4/0x15c [ 90.622571][ T5721] dump_stack+0x1c/0x5c [ 90.623247][ T5721] sysfs_create_dir_ns+0x244/0x264 [ 90.624086][ T5721] kobject_add_internal+0x5ac/0xc3c [ 90.624985][ T5721] kobject_init_and_add+0x124/0x190 [ 90.625865][ T5721] gfs2_sys_fs_add+0x200/0x41c [ 90.626643][ T5721] gfs2_fill_super+0xddc/0x1a18 [ 90.627455][ T5721] get_tree_bdev+0x358/0x544 [ 90.628235][ T5721] gfs2_get_tree+0x54/0x1b4 [ 90.629018][ T5721] vfs_get_tree+0x90/0x274 [ 90.629240][ T5719] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 90.629758][ T5721] do_new_mount+0x228/0x810 [ 90.632107][ T5719] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 90.632874][ T5721] path_mount+0x5bc/0x1008 [ 90.634668][ T5721] __arm64_sys_mount+0x514/0x5f0 [ 90.635460][ T5721] invoke_syscall+0x98/0x2b0 [ 90.636274][ T5721] el0_svc_common+0x138/0x258 [ 90.637013][ T5721] do_el0_svc+0x58/0x13c [ 90.637671][ T5721] el0_svc+0x78/0x1d0 [ 90.638314][ T5721] el0t_64_sync_handler+0xcc/0xe4 [ 90.639098][ T5721] el0t_64_sync+0x1a0/0x1a4 [ 90.673330][ T5721] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 90.675569][ T5721] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 90.684246][ T5723] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 90.688874][ T5723] CPU: 1 PID: 5723 Comm: syz.3.71 Not tainted syzkaller #0 [ 90.689950][ T5723] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 90.691579][ T5723] Call trace: [ 90.692128][ T5723] dump_backtrace+0x0/0x458 [ 90.692913][ T5723] show_stack+0x2c/0x3c [ 90.693659][ T5723] __dump_stack+0x30/0x40 [ 90.694384][ T5723] dump_stack_lvl+0xf4/0x15c [ 90.695205][ T5723] dump_stack+0x1c/0x5c [ 90.695972][ T5723] sysfs_create_dir_ns+0x244/0x264 [ 90.696810][ T5723] kobject_add_internal+0x5ac/0xc3c [ 90.697735][ T5723] kobject_init_and_add+0x124/0x190 [ 90.698633][ T5723] gfs2_sys_fs_add+0x200/0x41c [ 90.699442][ T5723] gfs2_fill_super+0xddc/0x1a18 [ 90.700294][ T5723] get_tree_bdev+0x358/0x544 [ 90.701064][ T5723] gfs2_get_tree+0x54/0x1b4 [ 90.701859][ T5723] vfs_get_tree+0x90/0x274 [ 90.702491][ T5723] do_new_mount+0x228/0x810 [ 90.703155][ T5723] path_mount+0x5bc/0x1008 [ 90.703837][ T5723] __arm64_sys_mount+0x514/0x5f0 [ 90.704621][ T5723] invoke_syscall+0x98/0x2b0 [ 90.705384][ T5723] el0_svc_common+0x138/0x258 [ 90.706202][ T5723] do_el0_svc+0x58/0x13c [ 90.706932][ T5723] el0_svc+0x78/0x1d0 [ 90.707606][ T5723] el0t_64_sync_handler+0xcc/0xe4 [ 90.708485][ T5723] el0t_64_sync+0x1a0/0x1a4 [ 90.744144][ T5723] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 90.746332][ T5723] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 90.872271][ T5719] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 90.873472][ T5719] CPU: 1 PID: 5719 Comm: syz.1.69 Not tainted syzkaller #0 [ 90.874667][ T5719] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 90.876302][ T5719] Call trace: [ 90.876818][ T5719] dump_backtrace+0x0/0x458 [ 90.877534][ T5719] show_stack+0x2c/0x3c [ 90.878286][ T5719] __dump_stack+0x30/0x40 [ 90.878986][ T5719] dump_stack_lvl+0xf4/0x15c [ 90.879806][ T5719] dump_stack+0x1c/0x5c [ 90.880556][ T5719] sysfs_create_dir_ns+0x244/0x264 [ 90.881473][ T5719] kobject_add_internal+0x5ac/0xc3c [ 90.882357][ T5719] kobject_init_and_add+0x124/0x190 [ 90.883272][ T5719] gfs2_sys_fs_add+0x200/0x41c [ 90.884132][ T5719] gfs2_fill_super+0xddc/0x1a18 [ 90.884952][ T5719] get_tree_bdev+0x358/0x544 [ 90.885737][ T5719] gfs2_get_tree+0x54/0x1b4 [ 90.886543][ T5719] vfs_get_tree+0x90/0x274 [ 90.887333][ T5719] do_new_mount+0x228/0x810 [ 90.888160][ T5719] path_mount+0x5bc/0x1008 [ 90.888912][ T5719] __arm64_sys_mount+0x514/0x5f0 [ 90.889721][ T5719] invoke_syscall+0x98/0x2b0 [ 90.890478][ T5719] el0_svc_common+0x138/0x258 [ 90.891276][ T5719] do_el0_svc+0x58/0x13c [ 90.892005][ T5719] el0_svc+0x78/0x1d0 [ 90.892715][ T5719] el0t_64_sync_handler+0xcc/0xe4 [ 90.893608][ T5719] el0t_64_sync+0x1a0/0x1a4 [ 90.919495][ T5719] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 90.922381][ T5719] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 90.932784][ T5725] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 90.934087][ T5725] CPU: 0 PID: 5725 Comm: syz.0.72 Not tainted syzkaller #0 [ 90.935346][ T5725] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 90.937119][ T5725] Call trace: [ 90.937655][ T5725] dump_backtrace+0x0/0x458 [ 90.938411][ T5725] show_stack+0x2c/0x3c [ 90.939169][ T5725] __dump_stack+0x30/0x40 [ 90.939908][ T5725] dump_stack_lvl+0xf4/0x15c [ 90.940657][ T5725] dump_stack+0x1c/0x5c [ 90.941337][ T5725] sysfs_create_dir_ns+0x244/0x264 [ 90.942151][ T5725] kobject_add_internal+0x5ac/0xc3c [ 90.943028][ T5725] kobject_init_and_add+0x124/0x190 [ 90.943941][ T5725] gfs2_sys_fs_add+0x200/0x41c [ 90.944714][ T5725] gfs2_fill_super+0xddc/0x1a18 [ 90.945549][ T5725] get_tree_bdev+0x358/0x544 [ 90.946316][ T5725] gfs2_get_tree+0x54/0x1b4 [ 90.947068][ T5725] vfs_get_tree+0x90/0x274 [ 90.947818][ T5725] do_new_mount+0x228/0x810 [ 90.948625][ T5725] path_mount+0x5bc/0x1008 [ 90.949356][ T5725] __arm64_sys_mount+0x514/0x5f0 [ 90.950239][ T5725] invoke_syscall+0x98/0x2b0 [ 90.951024][ T5725] el0_svc_common+0x138/0x258 [ 90.951853][ T5725] do_el0_svc+0x58/0x13c [ 90.952684][ T5725] el0_svc+0x78/0x1d0 [ 90.953398][ T5725] el0t_64_sync_handler+0xcc/0xe4 [ 90.954289][ T5725] el0t_64_sync+0x1a0/0x1a4 [ 90.962248][ T5723] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 90.963398][ T5723] CPU: 1 PID: 5723 Comm: syz.3.71 Not tainted syzkaller #0 [ 90.964614][ T5723] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 90.965786][ T5725] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 90.966353][ T5723] Call trace: [ 90.968678][ T5725] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 90.969120][ T5723] dump_backtrace+0x0/0x458 [ 90.970883][ T5723] show_stack+0x2c/0x3c [ 90.971537][ T5723] __dump_stack+0x30/0x40 [ 90.972259][ T5723] dump_stack_lvl+0xf4/0x15c [ 90.973086][ T5723] dump_stack+0x1c/0x5c [ 90.973801][ T5723] sysfs_create_dir_ns+0x244/0x264 [ 90.974665][ T5723] kobject_add_internal+0x5ac/0xc3c [ 90.975532][ T5723] kobject_init_and_add+0x124/0x190 [ 90.976400][ T5723] gfs2_sys_fs_add+0x200/0x41c [ 90.977238][ T5723] gfs2_fill_super+0xddc/0x1a18 [ 90.978081][ T5723] get_tree_bdev+0x358/0x544 [ 90.978877][ T5723] gfs2_get_tree+0x54/0x1b4 [ 90.979671][ T5723] vfs_get_tree+0x90/0x274 [ 90.980352][ T5723] do_new_mount+0x228/0x810 [ 90.981086][ T5723] path_mount+0x5bc/0x1008 [ 90.981797][ T5723] __arm64_sys_mount+0x514/0x5f0 [ 90.982618][ T5723] invoke_syscall+0x98/0x2b0 [ 90.983441][ T5723] el0_svc_common+0x138/0x258 [ 90.984266][ T5723] do_el0_svc+0x58/0x13c [ 90.985000][ T5723] el0_svc+0x78/0x1d0 [ 90.985676][ T5723] el0t_64_sync_handler+0xcc/0xe4 [ 90.986512][ T5723] el0t_64_sync+0x1a0/0x1a4 [ 90.998678][ T5723] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 91.001067][ T5723] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 91.011889][ T5721] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 91.013120][ T5721] CPU: 0 PID: 5721 Comm: syz.2.70 Not tainted syzkaller #0 [ 91.014398][ T5721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 91.016111][ T5721] Call trace: [ 91.016660][ T5721] dump_backtrace+0x0/0x458 [ 91.017466][ T5721] show_stack+0x2c/0x3c [ 91.018199][ T5721] __dump_stack+0x30/0x40 [ 91.018912][ T5721] dump_stack_lvl+0xf4/0x15c [ 91.019688][ T5721] dump_stack+0x1c/0x5c [ 91.020437][ T5721] sysfs_create_dir_ns+0x244/0x264 [ 91.021352][ T5721] kobject_add_internal+0x5ac/0xc3c [ 91.022235][ T5721] kobject_init_and_add+0x124/0x190 [ 91.023080][ T5721] gfs2_sys_fs_add+0x200/0x41c [ 91.023895][ T5721] gfs2_fill_super+0xddc/0x1a18 [ 91.024746][ T5721] get_tree_bdev+0x358/0x544 [ 91.025497][ T5721] gfs2_get_tree+0x54/0x1b4 [ 91.026243][ T5721] vfs_get_tree+0x90/0x274 [ 91.027012][ T5721] do_new_mount+0x228/0x810 [ 91.027795][ T5721] path_mount+0x5bc/0x1008 [ 91.028562][ T5721] __arm64_sys_mount+0x514/0x5f0 [ 91.029383][ T5721] invoke_syscall+0x98/0x2b0 [ 91.030160][ T5721] el0_svc_common+0x138/0x258 [ 91.030985][ T5721] do_el0_svc+0x58/0x13c [ 91.031696][ T5721] el0_svc+0x78/0x1d0 [ 91.032390][ T5721] el0t_64_sync_handler+0xcc/0xe4 [ 91.033248][ T5721] el0t_64_sync+0x1a0/0x1a4 [ 91.068147][ T5721] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 91.070411][ T5721] gfs2: fsid=syz:syz: error -17 adding sysfs files